/* ============================================================
   FONT IMPORTS
   Fontes carregadas via <link> no <head> do HTML (Parte 1.1).
   Instrument Serif: headlines editoriais
   JetBrains Mono: números, metadados, IDs, dados técnicos
   Inter (com eixo opsz): corpo/UI
============================================================ */

/* ============================================================
   CUSTOM PROPERTIES — DESIGN TOKENS
   Paleta Observatório (DESIGN.md §2) + sistema tipográfico +
   escala de espaçamento + shadows + easing
============================================================ */
:root {
  /* ── Paleta Observatório ── */
  --color-carvao:          #0B0B0E;
  --color-carvao-plus1:    #14141A;
  --color-carvao-minus1:   #08080B;
  --color-pergaminho:      #EDEAE3;
  --color-pergaminho-minus1: #A8A39A;
  --color-pergaminho-minus2: #6B665D;
  --color-ambar:           #B8823C;
  --color-ambar-minus1:    #8C6630;

  /* ── Aliases funcionais (mantém compatibilidade com HTML inline) ── */
  --bg:        var(--color-carvao);
  --bg2:       var(--color-carvao-plus1);
  --bg3:       var(--color-carvao-plus1);
  --white:     var(--color-pergaminho);
  --gray:      var(--color-pergaminho-minus2);
  --gray-l:    var(--color-pergaminho-minus1);
  --gold:      var(--color-ambar);
  --green:     #3D8B5E;
  --amber:     var(--color-ambar);

  /* Legacy purple aliases → remapped to Observatório */
  --purple:    var(--color-ambar);
  --neon:      var(--color-ambar);
  --purple-l:  var(--color-ambar);
  --purple-xl: var(--color-pergaminho);
  --rose:      var(--color-pergaminho-minus1);
  --teal:      var(--color-ambar);
  --blue:      var(--color-ambar);

  /* ── Borders & Surfaces ── */
  --border:       rgba(237, 234, 227, 0.08);
  --border-h:     rgba(184, 130, 60, 0.35);
  --card-bg:      rgba(237, 234, 227, 0.03);
  --card-border:  rgba(237, 234, 227, 0.10);
  --glass:        rgba(11, 11, 14, 0.7);
  --radius:       14px;
  --radius-s:     8px;

  /* ── Shadows — amber tinted (DESIGN.md §4) ── */
  --shadow-card:       0 30px 80px -30px rgba(184, 130, 60, 0.15);
  --shadow-card-hover:  0 40px 100px -30px rgba(184, 130, 60, 0.22);
  --shadow-btn:        0 4px 24px rgba(184, 130, 60, 0.25);
  --shadow-btn-hover:  0 8px 36px rgba(184, 130, 60, 0.35);
  --glow:              var(--shadow-card);
  --glow-s:            0 16px 48px -16px rgba(184, 130, 60, 0.10);

  /* ── Typography ── */
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans:  'Geist', 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:  'JetBrains Mono', ui-monospace, 'Cascadia Code', monospace;

  /* ── Spacing Scale ── */
  --space-3xs:  0.25rem;   /* 4px   */
  --space-2xs:  0.5rem;    /* 8px   */
  --space-xs:   0.75rem;   /* 12px  */
  --space-s:    1rem;       /* 16px  */
  --space-m:    1.5rem;     /* 24px  */
  --space-l:    2rem;       /* 32px  */
  --space-xl:   3rem;       /* 48px  */
  --space-2xl:  4.5rem;     /* 72px  */
  --space-3xl:  6rem;       /* 96px  */
  --space-4xl:  8rem;       /* 128px */

  /* ── Easing (DESIGN.md §4 — natural, nunca ease-in-out) ── */
  --ease:  cubic-bezier(0.32, 0.72, 0, 1);
  --trans: 0.4s var(--ease);
}

/* ============================================================
   MODERN RESET
============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  min-height: 100dvh;
  background: var(--color-carvao);
  color: var(--color-pergaminho);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-optical-sizing: auto;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
/* Noise texture overlay — fixed, pointer-events: none so it never blocks interaction */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-size: 300px 300px;
}
@media (prefers-reduced-motion: reduce) {
  body::after { display: none; }
}
img, picture, video, canvas, svg {
  max-width: 100%;
  display: block;
}
img { height: auto; }
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  text-wrap: balance;
}
p { text-wrap: pretty; }
input, textarea, select { font: inherit; }
ul, ol { list-style: none; }

/* ============================================================
   TYPOGRAPHY UTILITIES
============================================================ */
.syn {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.02em;
}
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   LAYOUT
============================================================ */
.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 var(--space-m);
}
section {
  padding: var(--space-3xl) 0;
  position: relative;
}

/* ============================================================
   SCROLL REVEAL
============================================================ */
/* ── Scroll reveal: hidden only when JS is present (html.js class) ── */
html.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  will-change: opacity, transform;
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
html.js .reveal.visible,
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
html.js .reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  will-change: opacity, transform;
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
html.js .reveal-left.visible,
.reveal-left.visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html.js .reveal, html.js .reveal-left, .pain-item {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
    will-change: auto;
  }
}

/* ============================================================
   NAV
============================================================ */
#header-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 11, 14, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background var(--trans);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.logo {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--color-pergaminho);
  text-transform: uppercase;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.logo-img {
  display: block;
  width: auto;
  height: 36px;          /* altura fixa no nav — imagem escala proporcionalmente */
  max-width: 260px;      /* teto de largura no desktop */
  object-fit: contain;
  object-position: left center;
  /* O fundo da imagem é #0B0B0E — mesmo carvão do nav — sem nenhuma borda visível */
}

/* Mobile: encolhe para caber na barra */
@media (max-width: 600px) {
  .logo-img {
    height: 28px;
    max-width: 200px;
  }
}

@media (max-width: 380px) {
  .logo-img {
    height: 24px;
    max-width: 150px;     /* reduzido de 165px para 150px por precaução de overflow */
  }
}
.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-2xs) var(--space-m);
  border: 1px solid var(--color-ambar);
  border-radius: 40px;
  color: var(--color-ambar);
  transition: background var(--trans), color var(--trans), box-shadow var(--trans);
}
.nav-cta:hover {
  background: var(--color-ambar);
  color: var(--color-carvao);
  box-shadow: 0 0 20px rgba(184, 130, 60, 0.3);
}
.nav-links-group {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
}
.nav-link-anchor {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 14px;
  border: 1px solid rgba(237, 234, 227, 0.12);
  border-radius: 40px;
  color: var(--color-pergaminho-minus1);
  transition: border-color var(--trans), color var(--trans), background var(--trans);
  white-space: nowrap;
}
.nav-link-anchor:hover {
  border-color: var(--color-ambar);
  color: var(--color-pergaminho);
  background: rgba(184, 130, 60, 0.06);
}
.nav-whatsapp-slot {
  display: flex;
  align-items: center;
}

@media (max-width: 768px) {
  .logo {
    margin-right: var(--space-s);
  }
  .nav-inner {
    gap: var(--space-s);
  }
  .nav-links-group {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    min-width: 0;
    flex-shrink: 1;
    padding-block: 4px;
  }
  .nav-links-group::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 420px) {
  .nav-links-group { gap: 4px; }
  .nav-link-anchor { font-size: 0.5625rem; padding: 6px 10px; letter-spacing: 0.06em; }
}

/* ============================================================
   BUTTONS
============================================================ */
.btn-primary {
  display: inline-block;
  background: var(--color-ambar);
  color: var(--color-carvao);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 18px 40px;
  border-radius: 50px;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-btn);
  touch-action: manipulation;
  transition: transform var(--trans), box-shadow var(--trans), filter var(--trans);
  text-decoration: none;
}
.btn-primary.no-pulse { animation: none; }
.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow: var(--shadow-btn-hover);
}
.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-max {
  display: inline-block;
  background: var(--color-ambar);
  color: var(--color-carvao);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 22px 52px;
  border-radius: 50px;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-btn);
  touch-action: manipulation;
  transition: transform var(--trans), box-shadow var(--trans);
  text-decoration: none;
}
.btn-max:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-btn-hover);
}
.btn-max:active {
  transform: translateY(0) scale(0.98);
}

.micro-copy {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-pergaminho-minus2);
  margin-top: 14px;
  letter-spacing: 0.03em;
}

/* ============================================================
   SECTION SHARED
============================================================ */
.section-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  text-align: center;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-s);
  line-height: 1.15;
  color: var(--color-pergaminho);
}
.section-sub {
  text-align: center;
  color: var(--color-pergaminho-minus1);
  font-size: 1.0625rem;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}
.section-tagline {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ambar);
  margin-bottom: var(--space-xl);
  opacity: 0.8;
}
.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--color-pergaminho-minus2);
  margin-bottom: var(--space-m);
  text-transform: uppercase;
  opacity: 0.8;
}

/* ============================================================
   VIDEO DIVIDER
============================================================ */
.vid-divider {
  width: 100%;
  overflow: hidden;
  line-height: 0;
  min-height: 80px;
  background: transparent;
  position: relative;
  display: flex;
  align-items: center;
}
.vid-divider::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(184, 130, 60, 0.08) 20%,
    rgba(184, 130, 60, 0.15) 50%,
    rgba(184, 130, 60, 0.08) 80%,
    transparent 100%);
  z-index: 0;
}
.vid-divider::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent 0px,
    rgba(237, 234, 227, 0.03) 1px,
    transparent 3px
  );
  animation: wave-drift 6s linear infinite;
  z-index: 1;
}
.vid-divider video {
  width: 100%;
  height: 80px;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 2;
  mix-blend-mode: screen;
  background: transparent;
}
.vid-divider video.hidden { display: none; }

/* ============================================================
   HERO
============================================================ */
/* ── Hero shell ── */
.hero {
  position: relative;
  min-height: 100dvh;
  padding-top: 100px;
  padding-bottom: var(--space-3xl);
  overflow: hidden;
}

/* Grid editorial: conteúdo (1.45fr) + vídeo offset (1fr). Desktop asymmetric. */
.hero__grid {
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 clamp(var(--space-m), 4vw, var(--space-2xl));
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  min-height: calc(100dvh - 100px - var(--space-3xl));
  align-items: center;
}

.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-block: clamp(1.5rem, 8vh, 5rem) clamp(1.5rem, 4vh, 3rem);
  gap: clamp(2.5rem, 8vh, 4.5rem);
}

/* Eyebrow mono — DNA do instituto. Régua âmbar como único decorativo do hero. */
.hero__eyebrow {
  align-self: center;
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-pergaminho-minus1);
}
.hero__eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--color-ambar);
  opacity: 0.85;
}

.hero__body {
  display: flex;
  flex-direction: column;
  gap: clamp(1.75rem, 3.2vh, 2.5rem);
}

.hero__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-pergaminho);
  max-width: 100%;
  text-wrap: balance;
}
.hero__title-em {
  display: block;
  font-style: italic;
  color: var(--color-ambar);
  margin-top: 0.06em;
  opacity: 0.92;
}

.hero__sub {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.35vw, 1.1875rem);
  line-height: 1.6;
  color: var(--color-pergaminho-minus1);
  max-width: 70ch;
  margin: 0 auto;
}

.hero__cta-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
  align-items: center;
}

.hero__technical {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-pergaminho-minus2);
}
.hero__sep {
  display: inline-block;
  margin: 0 0.6em;
  color: var(--color-ambar);
  opacity: 0.55;
}

/* Oscilloscope styling deleted */

/* ── Hero entrada staggered — hidden only when JS loaded ── */
html.js .hero [data-rise] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
  will-change: opacity, transform;
}
html.js .hero [data-rise].rise-in,
.hero [data-rise].rise-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html.js .hero [data-rise] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── Responsivo ── */
@media (max-width: 960px) {
  .hero__grid {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: var(--space-l);
  }
  .hero__content {
    padding-block: clamp(1rem, 4vh, 2rem) 0;
    align-items: center;
    text-align: center;
  }
  .hero__eyebrow {
    align-self: center;
  }
  .hero__cta-row {
    align-items: center;
  }
  .hero__content {
    padding-block: clamp(1rem, 4vh, 2rem) 0;
  }
  .hero__aside {
    padding-block: 0 var(--space-xl);
  }
  .hero__title {
    max-width: 100%;
  }
  .hero__scope-frame {
    aspect-ratio: 16 / 7;
  }
  .hero__wave-hz {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: 48px;
    padding-bottom: var(--space-xl);
  }
  .hero__body {
    gap: clamp(1rem, 2.4vh, 1.75rem);
  }
  .hero__eyebrow {
    font-size: 0.6875rem;
    letter-spacing: 0.14em;
    gap: 0.625rem;
  }
  .hero__eyebrow::before { width: 20px; }
  .hero__title {
    font-size: clamp(2.4rem, 11vw, 3.5rem);
    letter-spacing: -0.02em;
    max-width: 100%;
  }
  .hero__sub { font-size: 0.9375rem; line-height: 1.55; }
  .hero__technical { font-size: 0.6875rem; letter-spacing: 0.08em; }
  .hero__sep { margin: 0 0.4em; }
  .hero__scope-frame {
    aspect-ratio: 16 / 6;
  }
}

/* ============================================================
   SPOTLIGHT CARD
   Componente com glow radial que segue o cursor (spec: components.md).
   Uso: cards de demo gratuita (seção #demo).
   --glow-x e --glow-y atualizadas via JS (initSpotlightCards).
============================================================ */
.spotlight-card {
  --glow-x: 50%;
  --glow-y: 50%;
  --glow-opacity: 0;
  --glow-color: 184, 130, 60;
  --card-radius: 20px;
  --border-color: rgba(237, 234, 227, 0.08);
  --border-color-active: rgba(184, 130, 60, 0.35);

  position: relative;
  border-radius: var(--card-radius);
  background: linear-gradient(180deg, rgba(237, 234, 227, 0.02) 0%, rgba(237, 234, 227, 0.04) 100%);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: border-color 600ms cubic-bezier(0.32, 0.72, 0, 1);
  isolation: isolate;
}

.spotlight-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle 320px at var(--glow-x) var(--glow-y),
    rgba(var(--glow-color), 0.12),
    rgba(var(--glow-color), 0.04) 30%,
    transparent 60%
  );
  opacity: var(--glow-opacity);
  transition: opacity 500ms cubic-bezier(0.32, 0.72, 0, 1);
  pointer-events: none;
  z-index: 1;
}

.spotlight-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(
    circle 240px at var(--glow-x) var(--glow-y),
    rgba(var(--glow-color), 0.9),
    rgba(var(--glow-color), 0.2) 25%,
    transparent 55%
  );
  opacity: var(--glow-opacity);
  transition: opacity 500ms cubic-bezier(0.32, 0.72, 0, 1);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 2;
}

.spotlight-card[data-glow]:hover {
  --glow-opacity: 1;
  border-color: var(--border-color-active);
}

.spotlight-card__inner {
  position: relative;
  z-index: 3;
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.spotlight-card__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(237, 234, 227, 0.55);
}

.spotlight-card__freq {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--color-ambar);
  text-transform: uppercase;
}

.spotlight-card__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(237, 234, 227, 0.06);
}

.spotlight-card__code {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  color: rgba(237, 234, 227, 0.9);
  margin-top: 0.5rem;
}

.spotlight-card__title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 2.5vw, 2.25rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--color-pergaminho);
}

.spotlight-card__body {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(237, 234, 227, 0.75);
}

.spotlight-card__micro {
  padding: 1.25rem;
  background: rgba(237, 234, 227, 0.03);
  border-radius: 12px;
  border: 1px solid rgba(237, 234, 227, 0.06);
}

.spotlight-card__micro-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ambar);
  margin-bottom: 0.5rem;
}

.spotlight-card__micro p {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: rgba(237, 234, 227, 0.8);
}

.spotlight-card__audio-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(237, 234, 227, 0.45);
  letter-spacing: 0.03em;
}

/* Mobile: glow estático central, sem tracking */
@media (max-width: 768px) {
  .spotlight-card {
    --glow-x: 50%;
    --glow-y: 40%;
    --glow-opacity: 0.35;
  }
  .spotlight-card[data-glow]:hover {
    --glow-opacity: 0.35;
  }
  .spotlight-card__inner {
    padding: 1.5rem 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .spotlight-card,
  .spotlight-card::before,
  .spotlight-card::after {
    transition: none;
  }
}

/* ============================================================
   LIQUID GLASS BUTTON
   Uso autorizado: CTA primário do hero + CTA final da página.
============================================================ */
.liquid-glass-filter {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

.liquid-glass-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1.125rem 2rem 1.125rem 2.25rem;
  border: none;
  border-radius: 999px;
  cursor: pointer;

  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-pergaminho);
  text-decoration: none;

  background: linear-gradient(
    180deg,
    rgba(237, 234, 227, 0.18) 0%,
    rgba(237, 234, 227, 0.09) 100%
  );

  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);

  border: 1px solid rgba(184, 130, 60, 0.45);

  box-shadow:
    inset 0 1px 1px rgba(237, 234, 227, 0.35),
    inset -1px -1px 1px rgba(237, 234, 227, 0.08),
    inset 0 0 12px rgba(237, 234, 227, 0.06),
    0 4px 24px rgba(0, 0, 0, 0.4),
    0 0 32px rgba(184, 130, 60, 0.2);

  transition:
    transform 0.4s var(--ease),
    box-shadow 0.4s var(--ease),
    background 0.4s var(--ease);

  isolation: isolate;
}

.liquid-glass-btn__label {
  position: relative;
  z-index: 1;
}

.liquid-glass-btn__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(184, 130, 60, 0.18);
  color: var(--color-ambar);
  transition: background 0.4s var(--ease), transform 0.4s var(--ease);
}

.liquid-glass-btn:hover {
  background: linear-gradient(
    180deg,
    rgba(237, 234, 227, 0.16) 0%,
    rgba(237, 234, 227, 0.09) 100%
  );
  box-shadow:
    inset 1px 1px 1px rgba(237, 234, 227, 0.32),
    inset -1px -1px 1px rgba(237, 234, 227, 0.1),
    inset 0 0 16px rgba(237, 234, 227, 0.08),
    0 8px 32px rgba(0, 0, 0, 0.5),
    0 0 24px rgba(184, 130, 60, 0.2);
}

.liquid-glass-btn:hover .liquid-glass-btn__arrow {
  background: rgba(184, 130, 60, 0.28);
  transform: translate(2px, -1px);
}

.liquid-glass-btn:active {
  transform: scale(0.98);
  box-shadow:
    inset 1px 1px 2px rgba(0, 0, 0, 0.2),
    inset -1px -1px 1px rgba(237, 234, 227, 0.1),
    inset 0 0 8px rgba(237, 234, 227, 0.04),
    0 2px 12px rgba(0, 0, 0, 0.4);
}

.liquid-glass-btn:focus-visible {
  outline: 2px solid var(--color-ambar);
  outline-offset: 3px;
}

@media (max-width: 768px) {
  .liquid-glass-btn {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 1.5rem 1rem 1.75rem;
    font-size: 0.9375rem;
  }
}

@supports not (backdrop-filter: blur(10px)) {
  .liquid-glass-btn {
    background: rgba(237, 234, 227, 0.13);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .liquid-glass-btn,
  .liquid-glass-btn__arrow {
    transition: none;
  }
  .liquid-glass-btn:hover .liquid-glass-btn__arrow {
    transform: none;
  }
}

/* ============================================================
   PAIN / DOR — redesign (diagnóstico grid)
============================================================ */
#pain {
  background: var(--color-carvao);
}

/* Left-align apenas em desktop; mobile herda text-align:center do global */
@media (min-width: 721px) {
  .pain-eyebrow { text-align: left; }
  .pain-title   { text-align: left; }
  .pain-header  { text-align: left; }
}

.pain-header {
  margin-bottom: var(--space-2xl);
}

/* Copy blocks — reading beats between the header and the pain-cards */
.pain-copy-block {
  max-width: 62ch;
  margin: 0 auto var(--space-xl);
}
.pain-copy-block p {
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  line-height: 1.75;
  color: var(--color-pergaminho-minus1);
}

@media (min-width: 721px) {
  .pain-copy-block { margin-left: 0; margin-right: auto; text-align: left; }
}

/* Pivot — single-sentence callout */
.pain-pivot {
  margin: var(--space-2xl) auto 0;
  max-width: 46ch;
  padding: var(--space-xl) var(--space-l);
  text-align: center;
  border-top: 1px solid rgba(184, 130, 60, 0.25);
  border-bottom: 1px solid rgba(184, 130, 60, 0.25);
  position: relative;
}
.pain-pivot::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 2px;
  background: var(--color-ambar);
  box-shadow: 0 0 16px rgba(184, 130, 60, 0.7);
}
.pain-pivot p {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.45;
  color: var(--color-pergaminho);
  font-style: italic;
  text-shadow: 0 0 30px rgba(184, 130, 60, 0.2);
}

@media (max-width: 720px) {
  .pain-header {
    margin-bottom: var(--space-xl);
  }
  .pain-pivot {
    padding: var(--space-l) var(--space-m);
    margin-top: var(--space-xl);
  }
}

/* ============================================================
   MECHANISM — redesign (tríade de fases)
============================================================ */
#mechanism {
  background: var(--color-carvao);
  overflow: hidden;
}
#mechanism-explained {
  background: var(--color-carvao);
}

.mech-header {
  margin-bottom: var(--space-2xl);
}

/* Left-align on desktop only */
@media (min-width: 721px) {
  .mech-eyebrow  { text-align: left; }
  .mech-title-h  { text-align: left; }
  .mech-header   { text-align: left; }
}

/* Intro: left-aligned, max readable width */
#mechanism .mech-intro {
  margin-left: 0;
  margin-right: 0;
  max-width: 640px;
}

/* Three-phase horizontal grid */
.mech-phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(237, 234, 227, 0.08);
  border-bottom: 1px solid rgba(237, 234, 227, 0.08);
  margin-top: var(--space-2xl);
}

.mech-phase {
  padding: var(--space-xl) var(--space-l);
  border-right: 1px solid rgba(237, 234, 227, 0.08);
}
.mech-phase:first-child {
  padding-left: 0;
}
.mech-phase:last-child {
  border-right: none;
  padding-right: 0;
}

.mech-phase__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--color-ambar);
  opacity: 0.75;
  margin-bottom: var(--space-2xs);
}

.mech-phase__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-pergaminho-minus2);
  margin-bottom: var(--space-m);
  padding-bottom: var(--space-s);
  border-bottom: 1px solid rgba(237, 234, 227, 0.06);
}

.mech-phase__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--color-pergaminho);
  margin-bottom: var(--space-m);
}

.mech-phase__body {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-pergaminho-minus1);
}

@media (max-width: 720px) {
  .mech-header {
    margin-bottom: var(--space-xl);
    text-align: center;
  }
  .mech-phases {
    grid-template-columns: 1fr;
    border-bottom: none;
  }
  .mech-phase {
    border-right: none;
    border-bottom: 1px solid rgba(237, 234, 227, 0.08);
    padding: var(--space-l) 0;
  }
  .mech-phase:first-child { padding-left: 0; }
  .mech-phase:last-child  { border-bottom: none; padding-right: 0; }
}

/* CIA callout */
.cia-callout {
  background: rgba(184, 130, 60, 0.04);
  border: 1px solid rgba(184, 130, 60, 0.15);
  border-left: 2px solid var(--color-ambar);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  padding: 14px 18px;
  margin: 14px 0;
}
.cia-callout-label {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.14em;
  color: var(--color-ambar);
  margin-bottom: var(--space-2xs);
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
}
.cia-callout p {
  font-size: 0.8125rem;
  color: rgba(237, 234, 227, 0.8);
  line-height: 1.7;
  margin: 0;
}
.cia-link {
  color: var(--color-ambar);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(184, 130, 60, 0.4);
  font-weight: 600;
  transition: color 0.2s var(--ease);
}
.cia-link:hover {
  color: var(--color-pergaminho);
}
.cia-doc-meta {
  margin-top: var(--space-2xs);
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--color-pergaminho-minus2);
  opacity: 0.8;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.cia-evolution {
  font-size: 0.8125rem;
  color: rgba(237, 234, 227, 0.55);
  line-height: 1.7;
  font-style: italic;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(237, 234, 227, 0.06);
}

/* ============================================================
   DEMO GRATUITA — "Respire e Escolha"
============================================================ */
#demo {
  background: var(--color-carvao);
  overflow: hidden;
}
.demo-intro {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-pergaminho-minus2);
  letter-spacing: 0.04em;
  text-align: center;
  margin: 0 auto var(--space-xl);
  max-width: 440px;
}

/* Intro da demo (eyebrow+headline+sub) só existe enquanto a escolha está ativa */
#demo-intro-block {
  max-height: 500px;
  overflow: hidden;
  transition: opacity 0.6s var(--ease), max-height 0.7s var(--ease), margin-bottom 0.7s var(--ease);
}
#demo-intro-block.is-choosing {
  opacity: 0;
}
#demo-intro-block.is-done {
  max-height: 0;
  margin-bottom: 0;
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  #demo-intro-block { transition: none; }
}

/* ---------- choice grid ---------- */
.choice-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-s);
  max-width: 940px;
  margin: 0 auto;
  perspective: 1200px;
}
@media (max-width: 720px) {
  .choice-grid { grid-template-columns: repeat(2, 1fr); gap: 0.85rem; }
}

.choice-card {
  position: relative;
  cursor: pointer;
  aspect-ratio: 3 / 4;
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(237, 234, 227, 0.035), rgba(237, 234, 227, 0.012));
  border: 1px solid rgba(237, 234, 227, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
  --gx: 50%;
  --gy: 42%;
  --float-delay: 0s;
  --float-dur: 6s;
  animation-name: choice-float;
  animation-duration: var(--float-dur);
  animation-timing-function: ease-in-out;
  animation-delay: var(--float-delay);
  animation-iteration-count: infinite;
  transition: border-color 0.5s var(--ease), transform 0.5s var(--ease);
}
.choice-card:nth-child(1) { --float-delay: 0s;    --float-dur: 6s; }
.choice-card:nth-child(2) { --float-delay: -1.6s; --float-dur: 6.6s; }
.choice-card:nth-child(3) { --float-delay: -3.2s; --float-dur: 5.6s; }
.choice-card:nth-child(4) { --float-delay: -4.8s; --float-dur: 7s; }

html.js .choice-card.reveal-init {
  opacity: 0;
  transform: translateY(20px);
}
.choice-card.rise-in {
  animation-name: choice-drift-in, choice-float;
  animation-duration: 1s, var(--float-dur);
  animation-timing-function: var(--ease), ease-in-out;
  animation-delay: 0s, calc(var(--float-delay) + 1s);
  animation-iteration-count: 1, infinite;
  animation-fill-mode: forwards, none;
}
@keyframes choice-drift-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes choice-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-7px); }
}

/* breathing ambient spotlight — always on, mobile included, stronger */
.choice-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(62% 58% at var(--gx) var(--gy), rgba(184, 130, 60, 0.45), transparent 72%);
  opacity: 0.55;
  animation: choice-breathe 6s var(--ease) infinite;
}
.choice-card:nth-child(2)::before { animation-delay: -1.5s; }
.choice-card:nth-child(3)::before { animation-delay: -3s; }
.choice-card:nth-child(4)::before { animation-delay: -4.5s; }
@keyframes choice-breathe {
  0%, 100% { opacity: 0.4;  --gx: 40%; --gy: 36%; }
  50%      { opacity: 0.85; --gx: 60%; --gy: 58%; }
}

/* traveling light on the border — "wind" */
.choice-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  padding: 1px;
  pointer-events: none;
  background: conic-gradient(from var(--wind-angle, 0deg), transparent 0%, rgba(184, 130, 60, 0.9) 12%, transparent 28%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: choice-wind 5.5s linear infinite;
  opacity: 0.9;
}
.choice-card:nth-child(2)::after { animation-delay: -1.4s; }
.choice-card:nth-child(3)::after { animation-delay: -2.8s; }
.choice-card:nth-child(4)::after { animation-delay: -4.2s; }
@keyframes choice-wind {
  to { --wind-angle: 360deg; }
}
@property --wind-angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}

.choice-card:hover,
.choice-card:focus-visible {
  border-color: rgba(184, 130, 60, 0.4);
}

.choice-card__code {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2.4vw, 1.7rem);
  letter-spacing: 0.04em;
  color: var(--color-pergaminho);
  position: relative;
  z-index: 2;
  user-select: none;
  text-shadow: 0 2px 30px rgba(184, 130, 60, 0.4);
}
.choice-card__hint {
  position: absolute;
  bottom: 0.85rem;
  left: 0;
  right: 0;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-ambar);
  text-shadow: 0 0 14px rgba(184, 130, 60, 0.65);
  text-align: center;
  animation: choice-hint-pulse 2.6s ease-in-out infinite;
}
@keyframes choice-hint-pulse {
  0%, 100% { opacity: 0.75; }
  50%      { opacity: 1; text-shadow: 0 0 20px rgba(184, 130, 60, 0.9); }
}
@media (prefers-reduced-motion: reduce) {
  .choice-card__hint { animation: none; opacity: 0.9; }
}

/* wind-out when another card is chosen */
.choice-grid.is-choosing .choice-card:not(.is-chosen) {
  opacity: 0;
  transform: translateY(-18px) scale(0.94) rotateX(8deg);
  filter: blur(4px);
  pointer-events: none;
  animation: none;
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease), filter 0.9s var(--ease);
}
.choice-grid.is-choosing .choice-card.is-chosen {
  transform: scale(1.03);
  border-color: transparent;
  animation: none;
  transition: transform 0.7s var(--ease), border-color 0.7s var(--ease);
}
.choice-grid.is-done { display: none; }

/* ---------- transition beat ---------- */
.choice-beat {
  display: none;
  margin: var(--space-xl) auto 0;
  max-width: 30ch;
  text-align: center;
}
.choice-beat.show {
  display: block;
  animation: choice-drift-in 1.2s var(--ease) forwards;
}
.choice-beat__whisper {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--color-ambar);
  line-height: 1.4;
}
.choice-beat__code {
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--color-pergaminho);
  font-size: 0.8rem;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
}
.choice-beat__text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--color-ambar);
  line-height: 1.45;
  margin-top: 0.5rem;
}

/* ---------- ritual card (reveal) ---------- */
.ritual-wrap {
  display: none;
  justify-content: center;
  margin-top: var(--space-l);
}
.ritual-wrap.show {
  display: flex;
  animation: ritual-rise 1.1s var(--ease) forwards;
}
@keyframes ritual-rise {
  from { opacity: 0; transform: translateY(30px) scale(0.96); }
  to   { opacity: 1; transform: none; }
}

.ritual-card {
  position: relative;
  width: min(440px, 100%);
  border-radius: 18px;
  padding: var(--space-xl) var(--space-l) var(--space-l);
  background: linear-gradient(165deg, #171209, #0d0b07 70%);
  border: 1px solid rgba(184, 130, 60, 0.25);
  isolation: isolate;
  text-align: center;
  --gx: 50%;
  --gy: 38%;
  animation: ritual-breathe-scale 6.5s var(--ease) infinite;
}
@keyframes ritual-breathe-scale {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.012); }
}
.ritual-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: -1;
  background: radial-gradient(50% 45% at var(--gx) var(--gy), rgba(184, 130, 60, 0.34), transparent 68%);
  animation: ritual-breathe-glow 7s var(--ease) infinite;
}
@keyframes ritual-breathe-glow {
  0%, 100% { opacity: 0.55; --gx: 44%; --gy: 34%; }
  50%      { opacity: 0.9;  --gx: 56%; --gy: 46%; }
}
.ritual-card__corner {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 1px solid rgba(184, 130, 60, 0.5);
}
.ritual-card__corner.tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.ritual-card__corner.tr { top: 12px; right: 12px; border-left: 0; border-bottom: 0; }
.ritual-card__corner.bl { bottom: 12px; left: 12px; border-right: 0; border-top: 0; }
.ritual-card__corner.br { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }

.ritual-card__code {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  letter-spacing: 0.03em;
  line-height: 1;
  color: var(--color-pergaminho);
  margin-bottom: 0.4rem;
  text-shadow: 0 4px 40px rgba(184, 130, 60, 0.4);
}
.ritual-card__name {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-ambar);
  margin-bottom: var(--space-l);
}

/* custom play sigil — deliberately not a player bar */
.ritual-sigil {
  width: 88px;
  height: 88px;
  margin: 0 auto 1.4rem;
  position: relative;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(184, 130, 60, 0.16), transparent 70%);
  border: none;
  padding: 0;
  transition: transform 0.4s var(--ease);
  touch-action: manipulation;
}
.ritual-sigil:hover { transform: scale(1.05); }
.ritual-sigil:focus-visible {
  outline: 2px solid var(--color-ambar);
  outline-offset: 4px;
}
.ritual-sigil__rings { position: absolute; inset: 0; width: 100%; height: 100%; }
.ritual-sigil__ring { fill: none; stroke: rgba(184, 130, 60, 0.35); stroke-width: 1; }
.ritual-sigil__ring--pulse {
  stroke: rgba(184, 130, 60, 0.9);
  stroke-dasharray: 264;
  stroke-dashoffset: 264;
  transform-origin: center;
  transform: rotate(-90deg);
}
.ritual-sigil__icon { position: relative; width: 34px; height: 34px; }
.ritual-sigil__tri { fill: var(--color-ambar); transition: opacity 0.3s; }
.ritual-sigil__pause { opacity: 0; }
.ritual-sigil__pause rect { fill: var(--color-ambar); }
.ritual-sigil.is-playing .ritual-sigil__ring--pulse { animation: sigil-trace 60s linear forwards; }
.ritual-sigil.is-playing .ritual-sigil__tri { opacity: 0; }
.ritual-sigil.is-playing .ritual-sigil__pause { opacity: 1; }
.ritual-sigil.is-playing { animation: sigil-breathe 3.5s var(--ease) infinite; }
@keyframes sigil-trace { to { stroke-dashoffset: 0; } }
@keyframes sigil-breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }

.ritual-timer {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--color-pergaminho-minus2);
  margin-bottom: var(--space-l);
}

.ritual-emba {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-pergaminho-minus1);
  text-align: left;
  border-top: 1px solid rgba(237, 234, 227, 0.08);
  padding-top: var(--space-m);
  margin-bottom: var(--space-m);
}
.ritual-emba b { color: var(--color-pergaminho); font-weight: 500; }

.ritual-disclaimer {
  font-size: 0.76rem;
  line-height: 1.55;
  color: var(--color-pergaminho-minus2);
  background: rgba(237, 234, 227, 0.03);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  text-align: left;
}

/* CTA duplo — reaproveita .post-demo-cta / .bridge-cta-btn */
.post-demo-cta {
  opacity: 0;
  visibility: hidden;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease), max-height 0.6s var(--ease), margin-top 0.5s var(--ease);
  margin-top: 0;
  text-align: center;
}
.post-demo-cta.show {
  opacity: 1;
  visibility: visible;
  max-height: 400px;
  margin-top: var(--space-l);
}
.post-demo-phrase {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  font-style: italic;
  color: var(--color-pergaminho-minus1);
  max-width: 460px;
  margin: 0 auto var(--space-m);
  line-height: 1.7;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.post-demo-cta.show .post-demo-phrase {
  opacity: 1;
  transform: translateY(0);
}
.ritual-rechoose {
  display: block;
  margin: var(--space-m) auto 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-pergaminho-minus2);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.2s var(--ease);
}
.ritual-rechoose:hover { color: var(--color-ambar); }

@media (max-width: 480px) {
  .ritual-card { padding: var(--space-l) var(--space-m) var(--space-m); }
}

@media (prefers-reduced-motion: reduce) {
  .choice-card,
  .choice-card::before,
  .choice-card::after,
  .choice-card.rise-in,
  .ritual-card,
  .ritual-card::before,
  .ritual-sigil.is-playing,
  .ritual-sigil.is-playing .ritual-sigil__ring--pulse,
  .choice-beat.show,
  .ritual-wrap.show {
    animation: none !important;
  }
  html.js .choice-card.reveal-init {
    opacity: 1;
    transform: none;
  }
  .choice-card {
    transform: none !important;
  }
}

/* ============================================================
   PRODUCT
============================================================ */
#product {
  background: var(--color-carvao);
}
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin-bottom: var(--space-2xl);
}
.product-intro {
  color: var(--color-pergaminho-minus1);
  font-size: 1.0625rem;
  line-height: 1.8;
  margin-bottom: var(--space-l);
}
.dim-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-s);
  margin-top: var(--space-s);
}
.dim-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: var(--space-m);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color var(--trans), transform var(--trans);
}
.dim-card:hover {
  border-color: rgba(184, 130, 60, 0.25);
  transform: translateY(-2px);
}
.dim-card img,
.dim-card .dim-icon-svg {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
}
.dim-icon-svg {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  color: var(--color-ambar);
}
.dim-card h4 {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  color: var(--color-pergaminho);
  margin-bottom: 4px;
  text-transform: uppercase;
}
.dim-card p {
  font-size: 0.75rem;
  color: var(--color-pergaminho-minus2);
}
.product-mockup {
  position: relative;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-mockup img {
  max-width: 380px;
  max-height: 520px;
  width: auto;
  margin: 0 auto;
  border-radius: var(--radius);
  object-fit: contain;
  object-position: center;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 32px rgba(184, 130, 60, 0.15));
}

/* Code preview */
.code-preview {
  max-width: 480px;
  margin: 0 auto;
  background: var(--color-carvao-plus1);
  border: 1px solid rgba(184, 130, 60, 0.2);
  border-radius: 16px;
  padding: var(--space-l);
  text-align: center;
  box-shadow: 0 0 32px rgba(184, 130, 60, 0.06);
}
.cp-dim {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ambar);
  margin-bottom: var(--space-2xs);
}
.cp-code {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 2.375rem);
  letter-spacing: 0.12em;
  color: var(--color-ambar);
  margin: var(--space-m) 0;
}
.cp-name {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(237, 234, 227, 0.5);
  margin-bottom: var(--space-s);
  letter-spacing: 0.05em;
}
.cp-ma {
  border-left: 2px solid var(--color-ambar);
  background: rgba(184, 130, 60, 0.04);
  padding: 12px 16px;
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  text-align: left;
  font-size: 0.8125rem;
  color: rgba(237, 234, 227, 0.75);
  line-height: 1.6;
}

/* ============================================================
   SOCIAL PROOF
============================================================ */
#social {
  background: var(--color-carvao);
}
.counter-wrap {
  text-align: center;
  margin-bottom: var(--space-xl);
}
.counter-num {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  color: var(--color-pergaminho);
  letter-spacing: 0.04em;
}
.counter-label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-pergaminho-minus2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: var(--space-2xs);
}
/* Evolution Mini Layout */
.evolution-mini {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-m);
  margin-top: var(--space-l);
  margin-bottom: var(--space-xl);
}
.evo-step {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(237, 234, 227, 0.03);
  padding: var(--space-s) var(--space-m);
  border-radius: var(--radius-s);
  border: 1px solid rgba(237, 234, 227, 0.08);
}
.evo-step.active {
  background: rgba(184, 130, 60, 0.1);
  border-color: rgba(184, 130, 60, 0.3);
}
.evo-icon {
  font-size: 1.5rem;
}
.evo-text {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--color-pergaminho-minus1);
  line-height: 1.3;
}
.evo-step.active .evo-text {
  color: var(--color-ambar);
  font-weight: 500;
}
.evo-arrow {
  color: var(--color-pergaminho-minus2);
  font-size: 1.25rem;
  font-family: var(--font-mono);
}

@media (max-width: 600px) {
  .evolution-mini {
    flex-direction: column;
    gap: var(--space-s);
  }
  .evo-arrow {
    transform: rotate(90deg);
  }
}

/* Social proof: 1 depoimento por vez */
.social-note {
  text-align: center;
  max-width: 54ch;
  margin: var(--space-s) auto 0;
  font-size: 0.875rem;
  font-style: italic;
  color: var(--color-pergaminho-minus2);
  line-height: 1.6;
}
.social-carousel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-m);
  margin-top: var(--space-xl);
}
.social-carousel__frame {
  width: min(80vw, 300px);
  max-height: 72vh;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(237, 234, 227, 0.1);
  box-shadow: var(--shadow-card);
  background: rgba(237, 234, 227, 0.02);
  display: flex;
  align-items: center;
  justify-content: center;
}
.social-carousel__img {
  width: 100%;
  height: auto;
  max-height: 72vh;
  object-fit: contain;
  display: block;
  opacity: 1;
  transition: opacity 0.3s var(--ease);
}
.social-carousel__img.is-fading {
  opacity: 0;
}
.social-carousel__btn {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(184, 130, 60, 0.15);
  border: 1px solid rgba(184, 130, 60, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  touch-action: manipulation;
  color: var(--color-pergaminho);
  transition: background var(--trans), box-shadow var(--trans), transform var(--trans);
}
.social-carousel__btn:hover {
  background: rgba(184, 130, 60, 0.3);
  box-shadow: 0 0 20px rgba(184, 130, 60, 0.2);
}
.social-carousel__btn:active { transform: scale(0.95); }
.social-carousel__dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2xs);
  margin-top: var(--space-m);
}
.social-carousel__dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(237, 234, 227, 0.15);
  cursor: pointer;
  transition: background var(--trans), width 0.3s var(--ease), border-radius 0.3s var(--ease);
}
.social-carousel__dots span.active {
  background: var(--color-ambar);
  width: 24px;
  border-radius: 4px;
}
@media (max-width: 480px) {
  .social-carousel { gap: var(--space-s); }
  .social-carousel__btn { width: 38px; height: 38px; }
}
@media (prefers-reduced-motion: reduce) {
  .social-carousel__img { transition: none; }
}

/* ============================================================
   GRADE
============================================================ */
#grade {
  text-align: center;
  padding: var(--space-3xl) 0;
}
.grade-counter {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: var(--space-xl) 0 var(--space-l);
}
.grade-num {
  font-family: var(--font-serif);
  font-size: clamp(5rem, 18vw, 11rem);
  font-weight: 400;
  line-height: 0.88;
  color: var(--color-pergaminho);
  letter-spacing: -0.02em;
}
.grade-unit {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-ambar);
  margin-top: var(--space-s);
}
.grade-dims {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 720px;
  margin: 0 auto;
  border: 1px solid rgba(237, 234, 227, 0.08);
  border-radius: var(--radius);
  overflow: hidden;
}
.grade-dim-item {
  padding: var(--space-m) var(--space-s);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: rgba(237, 234, 227, 0.015);
}
.grade-dim-item + .grade-dim-item {
  border-left: 1px solid rgba(237, 234, 227, 0.08);
}
.grade-dim-count {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  color: var(--color-ambar);
  line-height: 1;
}
.grade-dim-label {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(237, 234, 227, 0.45);
  text-align: center;
  line-height: 1.4;
}
@media (max-width: 600px) {
  .grade-dims { grid-template-columns: repeat(2, 1fr); }
  .grade-dim-item:nth-child(3),
  .grade-dim-item:nth-child(4) {
    border-top: 1px solid rgba(237, 234, 227, 0.08);
  }
  .grade-dim-item:nth-child(3) { border-left: none; }
}

/* ============================================================
   PRICING
============================================================ */
#oferta {
  background: var(--color-carvao);
}
.pricing-cards {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--space-m);
  max-width: 820px;
  margin: 0 auto var(--space-m);
  align-items: start;
}
.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: var(--space-xl) var(--space-l);
  position: relative;
  transition: border-color var(--trans), box-shadow var(--trans), transform var(--trans);
  will-change: transform;
}
.pricing-card:hover {
  transform: translateY(-4px);
}
.pricing-card:active {
  transform: translateY(-2px);
}
.pricing-card.featured {
  border: 2px solid var(--color-ambar);
  box-shadow: 0 0 40px rgba(184, 130, 60, 0.2);
  background: linear-gradient(180deg, rgba(184, 130, 60, 0.08) 0%, rgba(11, 11, 14, 0) 100%);
  transform: scale(1.02);
  animation: featured-pulse 4s infinite alternate ease-in-out;
}
@keyframes featured-pulse {
  from { box-shadow: 0 0 30px rgba(184, 130, 60, 0.15); }
  to { box-shadow: 0 0 50px rgba(184, 130, 60, 0.4); }
}
.pricing-tag {
  background: var(--color-ambar);
  color: var(--color-carvao);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-2xs) var(--space-s);
  border-radius: 20px;
  display: inline-block;
  margin-bottom: var(--space-m);
}
.pricing-card.featured:hover {
  transform: scale(1.04);
}
/* Spotlight glow on pricing cards */
.pricing-card[data-glow] {
  --glow-x: 50%;
  --glow-y: 50%;
  --glow-opacity: 0;
  --glow-color: 184, 130, 60;
  isolation: isolate;
}
.pricing-card[data-glow]::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(
    circle at var(--glow-x) var(--glow-y),
    rgba(var(--glow-color), 0.14) 0%,
    transparent 65%
  );
  opacity: var(--glow-opacity);
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}
.pricing-card[data-glow]::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(
    circle at var(--glow-x) var(--glow-y),
    rgba(var(--glow-color), 0.5) 0%,
    transparent 55%
  );
  opacity: var(--glow-opacity);
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  padding: 1px;
}
.pricing-card[data-glow]:hover { --glow-opacity: 1; }
@media (max-width: 768px) {
  .pricing-card[data-glow] {
    --glow-x: 50%;
    --glow-y: 40%;
    --glow-opacity: 0.3;
  }
  .pricing-card[data-glow]:hover {
    --glow-opacity: 0.3;
  }
}
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-ambar);
  color: var(--color-carvao);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 18px;
  border-radius: 999px;
  white-space: nowrap;
}
.pricing-name {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-pergaminho-minus1);
  margin-bottom: var(--space-s);
}
.pricing-price {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--color-pergaminho);
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}
.pricing-period {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-pergaminho-minus2);
  margin-bottom: var(--space-m);
}
.pricing-desc {
  font-size: 0.875rem;
  color: rgba(237, 234, 227, 0.8);
  line-height: 1.6;
  margin-bottom: var(--space-s);
}
.pricing-desc--label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ambar);
  opacity: 0.85;
  margin-bottom: var(--space-m);
}
.pricing-features {
  list-style: none;
  margin-bottom: var(--space-l);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pricing-features li {
  font-size: 0.875rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}
.pricing-features li.yes {
  color: rgba(237, 234, 227, 0.85);
}
.pricing-features li.yes::before {
  content: '\2713';
  color: var(--color-ambar);
  flex-shrink: 0;
  font-weight: 700;
  margin-top: 1px;
}
.pricing-features li.no {
  color: var(--color-pergaminho-minus2);
  opacity: 0.6;
}
.pricing-features li.no::before {
  content: '\2717';
  color: var(--color-pergaminho-minus2);
  flex-shrink: 0;
  opacity: 0.5;
}
.btn-pricing {
  display: block;
  width: 100%;
  text-align: center;
  padding: var(--space-s);
  border-radius: 40px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform var(--trans), box-shadow var(--trans), filter var(--trans);
  border: none;
  text-decoration: none;
}
.pricing-card.featured .btn-pricing {
  background: var(--color-ambar);
  color: var(--color-carvao);
  box-shadow: var(--shadow-btn);
}
.pricing-card:not(.featured) .btn-pricing {
  background: transparent;
  border: 1px solid var(--border-h);
  color: var(--color-ambar);
}
.btn-pricing:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: var(--shadow-btn-hover);
}
.btn-pricing:active {
  transform: translateY(0) scale(0.97);
}
.pricing-micro {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-pergaminho-minus2);
  letter-spacing: 0.04em;
}

/* Value Stack */
.value-stack {
  margin-bottom: var(--space-m);
  padding: var(--space-s) 0;
  border-top: 1px solid rgba(237, 234, 227, 0.06);
  border-bottom: 1px solid rgba(237, 234, 227, 0.06);
}
.value-stack-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 6px 0;
  font-size: 0.8125rem;
  color: rgba(237, 234, 227, 0.6);
}
.value-stack-item .vs-name {
  flex: 1;
}
.value-stack-item .vs-price {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-decoration: line-through;
  color: var(--color-pergaminho-minus2);
  opacity: 0.7;
}
.value-stack-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-xs) 0;
  margin-top: var(--space-2xs);
  border-top: 1px solid rgba(237, 234, 227, 0.08);
}
.value-stack-total .vs-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-pergaminho-minus2);
}
.value-stack-total .vs-old-price {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: line-through;
  color: var(--color-pergaminho-minus2);
}
.value-stack-current {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-xs) 0 4px;
}
.value-stack-current .vs-current-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ambar);
}
.value-stack-current .vs-current-price {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-pergaminho);
  letter-spacing: 0.02em;
}

/* Pricing Urgency */
.pricing-urgency {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-ambar);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
  opacity: 0.8;
}

/* Payment Trust */
.payment-trust { text-align: center; }
.payment-badges {
  display: flex;
  justify-content: center;
  gap: var(--space-2xs);
  flex-wrap: wrap;
  margin-top: var(--space-xs);
}
.pay-badge {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-pergaminho-minus2);
  border: 1px solid rgba(237, 234, 227, 0.08);
  border-radius: 6px;
  padding: 4px 10px;
  background: rgba(237, 234, 227, 0.02);
}

/* ============================================================
   GARANTIA
============================================================ */
.guarantee-section {
  padding: var(--space-3xl) 0;
}
.guarantee-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--card-bg);
  border: 1px solid rgba(184, 130, 60, 0.3);
  border-radius: 24px;
  padding: var(--space-2xl) var(--space-l);
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 8px 32px rgba(184, 130, 60, 0.1);
}
.guarantee-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 96px;
  height: 96px;
  background: rgba(184, 130, 60, 0.1);
  border-radius: 50%;
  margin-bottom: var(--space-l);
}
.guarantee-text {
  font-size: 1.0625rem;
  color: var(--color-pergaminho-minus1);
  line-height: 1.75;
}
@media (min-width: 768px) {
  .guarantee-card {
    flex-direction: row;
    text-align: left;
    padding: var(--space-2xl);
    gap: var(--space-xl);
  }
  .guarantee-badge {
    flex-shrink: 0;
    margin-bottom: 0;
  }
}

/* ============================================================
   FAQ
============================================================ */
#faq {
  background: var(--color-carvao);
}
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.3s var(--ease);
}
.faq-item.open {
  border-color: rgba(184, 130, 60, 0.3);
}
.faq-q {
  width: 100%;
  background: none;
  border: none;
  color: var(--color-pergaminho);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  text-align: left;
  padding: var(--space-m) var(--space-m);
  cursor: pointer;
  touch-action: manipulation;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-s);
  letter-spacing: 0.01em;
  transition: color var(--trans);
  line-height: 1.4;
}
.faq-q:hover {
  color: var(--color-ambar);
}
.faq-arrow {
  flex-shrink: 0;
  transition: transform var(--trans);
  color: var(--color-ambar);
}
.faq-item.open .faq-arrow {
  transform: rotate(180deg);
}
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 0.38s cubic-bezier(0.32, 0.72, 0, 1);
}
.faq-a-inner {
  min-height: 0;
  border-left: 2px solid var(--color-ambar);
}
.faq-item.open .faq-a {
  grid-template-rows: 1fr;
}
.faq-a p {
  padding: 0 var(--space-m) var(--space-m);
  font-size: 0.875rem;
  color: var(--color-pergaminho-minus1);
  line-height: 1.75;
}
@media (prefers-reduced-motion: reduce) {
  .faq-a { transition: none; }
}

/* ============================================================
   FINAL CTA
============================================================ */
#final-cta {
  background: var(--color-carvao);
  text-align: center;
  padding: var(--space-4xl) 0;
  overflow: hidden;
}
.final-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  margin-bottom: var(--space-m);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-pergaminho);
}
.final-sub {
  font-size: 1.0625rem;
  color: var(--color-pergaminho-minus1);
  max-width: 560px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

/* ============================================================
   FOOTER
============================================================ */
footer {
  background: var(--color-carvao-minus1);
  border-top: 1px solid rgba(237, 234, 227, 0.06);
  padding: var(--space-xl) 0;
}
@media (max-width: 768px) {
  footer { padding-bottom: calc(var(--space-xl) + 72px); }
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-m);
  text-align: center;
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-pergaminho-minus1);
}
.footer-links {
  display: flex;
  gap: var(--space-m);
  flex-wrap: wrap;
  justify-content: center;
}
.footer-links a {
  font-size: 0.8125rem;
  color: var(--color-pergaminho-minus2);
  transition: color 0.2s var(--ease);
}
.footer-links a:hover {
  color: var(--color-ambar);
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--color-pergaminho-minus2);
  opacity: 0.7;
}
.footer-legal {
  font-size: 0.6875rem;
  color: var(--color-pergaminho-minus2);
  opacity: 0.5;
  max-width: 500px;
  line-height: 1.5;
}

/* ============================================================
   KEYFRAME ANIMATIONS
============================================================ */
@keyframes orb-pulse {
  0%, 100% { opacity: 0; transform: scale(0.9) translateX(var(--tx, 0)); }
  50%      { opacity: 1; transform: scale(1.05) translateX(var(--tx, 0)); }
}

@keyframes wave-drift {
  from { background-position: 0 0; }
  to   { background-position: 200px 0; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

@keyframes wf-anim {
  from { height: 4px; }
  to   { height: var(--h, 16px); }
}

@keyframes code-pulse {
  0%, 100% { opacity: 0.7; }
  50%      { opacity: 1; }
}

@keyframes card-highlight-pulse {
  0%   { box-shadow: var(--glow-s); border-color: var(--card-border); }
  25%  { box-shadow: 0 0 0 3px rgba(184, 130, 60, 0.25), 0 0 40px rgba(184, 130, 60, 0.2); border-color: var(--color-ambar); }
  75%  { box-shadow: 0 0 0 3px rgba(184, 130, 60, 0.25), 0 0 40px rgba(184, 130, 60, 0.2); border-color: var(--color-ambar); }
  100% { box-shadow: var(--glow-s); border-color: var(--card-border); }
}

@keyframes pulse-ambar {
  0%, 100% { border-color: rgba(184, 130, 60, 0.25); }
  50%       { border-color: rgba(184, 130, 60, 0.55); }
}

@keyframes shimmer-counter {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

#social-counter.counted {
  background: linear-gradient(
    90deg,
    var(--color-pergaminho) 0%,
    var(--color-pergaminho) 40%,
    rgba(184, 130, 60, 0.85) 50%,
    var(--color-pergaminho) 60%,
    var(--color-pergaminho) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer-counter 1.5s linear 1 forwards;
}

@media (prefers-reduced-motion: reduce) {
  #social-counter.counted { animation: none; background: none; -webkit-text-fill-color: unset; }
}

/* Freq Reforco */
.freq-reforco {
  margin-top: var(--space-2xl);
  text-align: center;
  padding: var(--space-xl) var(--space-m);
  border-top: 1px solid rgba(237, 234, 227, 0.06);
}
.freq-reforco-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ambar);
  margin-bottom: var(--space-l);
}
.freq-reforco-grid {
  display: flex;
  justify-content: center;
  gap: var(--space-l);
  flex-wrap: wrap;
  margin-bottom: var(--space-l);
}
.fr-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}
.fr-hz {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-pergaminho);
}
.fr-nome {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-pergaminho-minus2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.freq-reforco-sub {
  font-size: 1rem;
  color: var(--color-pergaminho-minus1);
  line-height: 1.7;
}
.freq-reforco-sub strong {
  color: var(--color-pergaminho);
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 900px) {
  .mech-cards { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .pricing-cards { grid-template-columns: 1fr; max-width: 440px; }
  .pricing-card.featured { transform: none; }
  .testimonials { grid-template-columns: 1fr; }
  .dim-cards { grid-template-columns: 1fr 1fr; }
  .hero { padding-top: 80px; }
}

@media (max-width: 768px) {
  .dim-cards { grid-template-columns: 1fr 1fr; }
  .code-preview { padding: var(--space-m) var(--space-m); }
  .cp-code { font-size: clamp(1.25rem, 6vw, 2rem); }
}

@media (max-width: 600px) {
  section { padding: var(--space-l) 0; }
  .mech-cards { gap: var(--space-s); }
  .dim-cards { grid-template-columns: 1fr; }
  .pricing-cards { max-width: 100%; }
  .pricing-card { min-width: 0; width: 100%; }
  .section-title { font-size: clamp(1.25rem, 5vw, 1.75rem); }
  .btn-primary { padding: var(--space-s) var(--space-l); font-size: 0.6875rem; }
  .btn-max { padding: 18px var(--space-l); font-size: 0.75rem; }
}

@media (max-width: 480px) {
  .pain-twist { padding: var(--space-m) 18px; }
  .vsl-label { display: none; }
}

/* ============================================================
   MOBILE CTA BAR
============================================================ */
.mobile-cta-bar {
  display: none;
}

@media (max-width: 768px) {
  .mobile-cta-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: rgba(43, 30, 14, 0.96);
    padding: var(--space-xs) var(--space-m);
    border-top: 1px solid rgba(184, 130, 60, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
  }
  .mcta-links {
    display: flex;
    align-items: center;
    gap: var(--space-2xs);
    flex-shrink: 0;
  }
  .mcta-anchor {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-pergaminho-minus1);
    white-space: nowrap;
    transition: color var(--trans);
  }
  .mcta-anchor:hover,
  .mcta-anchor:active {
    color: var(--color-ambar);
  }
  .mcta-sep {
    font-size: 0.625rem;
    color: rgba(237, 234, 227, 0.15);
  }
  .mcta-whatsapp-slot {
    display: flex;
    align-items: center;
  }
  .mcta-btn {
    flex-shrink: 0;
    background: var(--color-ambar);
    color: var(--color-carvao);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 10px 18px;
    border-radius: 40px;
    white-space: nowrap;
    box-shadow: 0 4px 20px rgba(184, 130, 60, 0.3);
    transition: filter 0.2s var(--ease), transform 0.2s var(--ease);
    text-decoration: none;
  }
  .mcta-btn:active {
    transform: scale(0.97);
    filter: brightness(1.08);
  }
  body { padding-bottom: 72px; }
}

/* ============================================================
   NEW COMPONENTS — Copy Update v2
============================================================ */

/* Section Eyebrow — stamp/dossier style */
.section-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ambar);
  text-align: center;
  margin-bottom: var(--space-m);
  opacity: 0.85;
}

/* Pill Badge — CIA document ID inline */
.pill-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-ambar);
  border: 1px solid rgba(184, 130, 60, 0.3);
  border-radius: 999px;
  padding: 2px 12px;
  white-space: nowrap;
  vertical-align: middle;
}


/* Mechanism intro text */
.mech-intro {
  max-width: 800px;
  margin: 0 auto;
}
.mech-intro p {
  font-size: 1.0625rem;
  color: var(--color-pergaminho-minus1);
  line-height: 1.75;
  margin-bottom: var(--space-m);
}
.mech-intro p:last-child {
  margin-bottom: 0;
}
.mech-intro__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem !important;
  letter-spacing: 0.02em;
  color: var(--color-pergaminho-minus2) !important;
  font-style: italic;
  opacity: 0.75;
}

/* "Bloco-documento" — arquivo antigo: textura sóbria, borda fria */
.mech-doc-box {
  max-width: 800px;
  margin: 0 auto var(--space-2xl);
  padding: var(--space-xl) var(--space-l);
  border-radius: var(--radius);
  background:
    linear-gradient(165deg, rgba(126, 138, 153, 0.05), rgba(237, 234, 227, 0.015)),
    var(--color-carvao);
  border: 1px solid rgba(126, 138, 153, 0.22);
  text-align: center;
}
.mech-doc-box .btn-gateway {
  margin-bottom: 0;
}

/* "A virada" — presente luminoso: destaque âmbar, glow, entrada no scroll */
.mech-turn {
  position: relative;
  max-width: 720px;
  margin: 0 auto var(--space-2xl);
  padding: var(--space-xl) var(--space-l);
  border-radius: var(--radius);
  text-align: center;
  background: radial-gradient(120% 140% at 50% 0%, rgba(184, 130, 60, 0.14), rgba(184, 130, 60, 0.03) 60%, transparent 100%);
  border: 1px solid rgba(184, 130, 60, 0.35);
  box-shadow: var(--shadow-btn), inset 0 0 40px rgba(184, 130, 60, 0.06);
  overflow: hidden;
}
.mech-turn::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: 0 0 60px rgba(184, 130, 60, 0.18);
}
.mech-turn p {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.6;
  color: var(--color-pergaminho);
  margin-bottom: var(--space-m);
}
.mech-turn p:last-child {
  margin-bottom: 0;
  color: var(--color-ambar);
  font-style: italic;
}

.mech-closing {
  text-align: center;
  max-width: 52ch;
  margin: var(--space-xl) auto 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  color: var(--color-pergaminho-minus1);
}

@media (max-width: 720px) {
  .mech-doc-box,
  .mech-turn {
    padding: var(--space-l) var(--space-m);
  }
}

/* Mechanism phase label */
.mech-phase-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-ambar);
  margin-bottom: var(--space-s);
  opacity: 0.8;
}

/* Gateway button */
.btn-gateway {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ambar);
  background: rgba(184, 130, 60, 0.06);
  border: 1px solid rgba(184, 130, 60, 0.25);
  border-radius: 999px;
  padding: 12px 28px;
  cursor: pointer;
  touch-action: manipulation;
  transition: background var(--trans), box-shadow var(--trans), transform var(--trans);
  margin: var(--space-l) auto;
  max-width: fit-content;
}
.btn-gateway:hover {
  background: rgba(184, 130, 60, 0.12);
  box-shadow: 0 0 24px rgba(184, 130, 60, 0.15);
  transform: translateY(-2px);
}
.btn-gateway:active {
  transform: translateY(0) scale(0.97);
}
.btn-gateway:focus-visible {
  outline: 2px solid var(--color-ambar);
  outline-offset: 3px;
}

/* ============================================================
   GATEWAY MODAL
============================================================ */
.gateway-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s var(--ease);
}
.gateway-modal.active {
  opacity: 1;
  visibility: visible;
}
.gateway-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 11, 14, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.gateway-modal__content {
  position: relative;
  width: 90vw;
  max-width: 900px;
  height: 85vh;
  max-height: 700px;
  background: var(--color-carvao-plus1);
  border: 1px solid rgba(184, 130, 60, 0.2);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 40px 120px -40px rgba(0, 0, 0, 0.6), 0 0 40px rgba(184, 130, 60, 0.08);
  transform: translateY(20px) scale(0.97);
  transition: transform 0.4s var(--ease);
}
.gateway-modal.active .gateway-modal__content {
  transform: translateY(0) scale(1);
}
.gateway-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-m) var(--space-l);
  border-bottom: 1px solid rgba(237, 234, 227, 0.06);
  flex-shrink: 0;
}
.gateway-modal__header h3 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-pergaminho);
}
.gateway-modal__close {
  width: 36px;
  height: 36px;
  background: rgba(237, 234, 227, 0.05);
  border: 1px solid rgba(237, 234, 227, 0.1);
  border-radius: 50%;
  color: var(--color-pergaminho);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--trans), border-color var(--trans);
  line-height: 1;
}
.gateway-modal__close:hover {
  background: rgba(184, 130, 60, 0.15);
  border-color: rgba(184, 130, 60, 0.3);
}
.gateway-modal__close:focus-visible {
  outline: 2px solid var(--color-ambar);
  outline-offset: 2px;
}
.gateway-modal__tabs {
  display: flex;
  gap: 0;
  padding: 0 var(--space-l);
  border-bottom: 1px solid rgba(237, 234, 227, 0.06);
  flex-shrink: 0;
}
.gateway-modal__tab {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-pergaminho-minus2);
  background: none;
  border: none;
  padding: var(--space-s) var(--space-m);
  cursor: pointer;
  position: relative;
  transition: color var(--trans);
}
.gateway-modal__tab:hover {
  color: var(--color-pergaminho);
}
.gateway-modal__tab--active {
  color: var(--color-ambar);
}
.gateway-modal__tab--active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: var(--space-m);
  right: var(--space-m);
  height: 2px;
  background: var(--color-ambar);
  border-radius: 2px 2px 0 0;
}
.gateway-modal__body {
  flex: 1;
  overflow: hidden;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.gateway-pdf-viewer {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  background: #ececec;
}
.gateway-pdf-img {
  width: 100%;
  height: auto;
  display: block;
  border-bottom: 2px solid var(--color-carvao);
}
@media (max-width: 600px) {
  .gateway-modal__content {
    width: 96vw;
    height: 90vh;
    border-radius: var(--radius-s);
  }
  .gateway-modal__header {
    padding: var(--space-s) var(--space-m);
  }
  .gateway-modal__header h3 {
    font-size: 0.625rem;
  }
  .gateway-modal__tabs {
    padding: 0 var(--space-m);
  }
}

/* Section Divider — draw-on-scroll via IntersectionObserver (JS adds .visible) */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(184, 130, 60, 0.08) 15%,
    rgba(184, 130, 60, 0.5) 50%,
    rgba(184, 130, 60, 0.08) 85%,
    transparent 100%
  );
  clip-path: inset(0 50% 0 50%);
  transition: clip-path 1.1s cubic-bezier(0.32, 0.72, 0, 1);
  margin: 0;
}
.section-divider.visible {
  clip-path: inset(0 0% 0 0%);
}
@media (prefers-reduced-motion: reduce) {
  .section-divider {
    clip-path: none;
    transition: none;
  }
}

/* Transition text — between demo and product */
.transition-text {
  max-width: 800px;
  margin: var(--space-2xl) auto 0;
  padding: 0 var(--space-m);
}
.experience-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid rgba(184, 130, 60, 0.2);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}
.experience-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  opacity: 0.85;
}
.experience-content {
  padding: var(--space-l);
  text-align: left;
}
.experience-content h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-ambar);
  margin-bottom: var(--space-s);
}
.experience-content p {
  font-size: 1rem;
  color: var(--color-pergaminho-minus1);
  line-height: 1.6;
  margin-bottom: var(--space-xs);
}
.experience-content strong {
  color: var(--color-pergaminho);
  font-weight: 500;
}
@media (min-width: 768px) {
  .experience-card {
    flex-direction: row;
    align-items: center;
  }
  .experience-img {
    width: 40%;
    height: auto;
    align-self: stretch;
  }
  .experience-content {
    width: 60%;
    padding: var(--space-xl);
  }
}


/* FAQ expanded — longer answers */
.faq-item.open .faq-a {
  max-height: 600px;
}

/* Value stack standalone container */
.value-stack-container {
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: var(--space-l);
}

/* Dim card improvements for new layout */
.dim-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-s);
  max-width: 800px;
  margin: 0 auto var(--space-2xl);
}
@media (max-width: 600px) {
  .dim-cards-grid { grid-template-columns: 1fr; }
}

/* Guarantee document style */
#guarantee .section-title {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-pergaminho);
}

/* ============================================================
   ASSET REAL CLASSES
============================================================ */
.mech-bg-real {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  mix-blend-mode: luminosity;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black 0%, transparent 70%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 70%);
}

.demo-chladni-real {
  width: 100%;
  max-height: 200px;
  border-radius: 8px;
  object-fit: cover;
  opacity: 0.45;
  mask-image: radial-gradient(ellipse at center, black 10%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 10%, transparent 70%);
  margin-bottom: var(--space-xl);
}

.app-mockup-real {
  max-width: 280px;
  margin: var(--space-2xl) auto 0;
  border-radius: 24px;
  display: block;
  animation: pulse-glow 3s infinite alternate ease-in-out;
}
@keyframes pulse-glow {
  0% { filter: drop-shadow(0 0 10px rgba(184, 130, 60, 0.1)); }
  100% { filter: drop-shadow(0 0 35px rgba(184, 130, 60, 0.5)); }
}

.final-cta-bg-real {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  mix-blend-mode: luminosity;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, transparent 0%, black 40%, black 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 40%, black 80%, transparent 100%);
}

/* ============================================================
   HERO DEMO LINK — rota do cético (Parte 3.2)
============================================================ */
/* ============================================================
   PRICING TAG GLYPH — substitui emoji (Parte 5.1)
============================================================ */
.pricing-tag-glyph {
  color: var(--color-carvao);
  font-family: var(--font-mono);
  margin-right: 4px;
}

/* ============================================================
   EVOLUTION — SVG icons replace emoji (Parte 5.1)
============================================================ */
.evo-icon-svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  color: var(--color-pergaminho-minus1);
}
.evo-step.active .evo-icon-svg {
  color: var(--color-ambar);
}

/* ============================================================
   QUOTE DIVIDER — Tesla (Parte 4.2)
============================================================ */
#quote-divider {
  padding: var(--space-3xl) 0;
  background: var(--color-carvao);
}
.tesla-quote {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  border: none;
}
.tesla-quote p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.375rem, 3vw, 2rem);
  line-height: 1.45;
  color: var(--color-pergaminho);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-m);
}
.tesla-quote cite {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-pergaminho-minus2);
  opacity: 0.65;
  font-style: normal;
}
.quote-ref {
  color: var(--color-ambar);
  opacity: 0.75;
}

/* ============================================================
   RESEARCH SECTION (Parte 4.3)
============================================================ */
#research {
  background: var(--color-carvao);
}
.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2.5vw, 2rem);
  margin: var(--space-2xl) 0 var(--space-xl);
}
.research-card {
  background: rgba(237, 234, 227, 0.03);
  border: 1px solid rgba(237, 234, 227, 0.10);
  border-radius: 14px;
  padding: var(--space-l) var(--space-m);
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
  transition: border-color var(--trans), transform var(--trans);
}
.research-card:hover {
  border-color: rgba(184, 130, 60, 0.28);
  transform: translateY(-3px);
}
.research-meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ambar);
  opacity: 0.85;
}
.research-card h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--color-pergaminho);
  line-height: 1.2;
}
.research-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-pergaminho-minus1);
  flex: 1;
}
.research-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ambar);
  background: rgba(184, 130, 60, 0.06);
  border: 1px solid rgba(184, 130, 60, 0.25);
  border-radius: 999px;
  padding: 8px 18px;
  cursor: pointer;
  touch-action: manipulation;
  transition: background var(--trans), box-shadow var(--trans);
  width: fit-content;
  margin-top: auto;
}
.research-link:hover {
  background: rgba(184, 130, 60, 0.12);
  box-shadow: 0 0 18px rgba(184, 130, 60, 0.15);
}
.research-footnote {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-pergaminho-minus1);
  text-align: center;
  opacity: 0.65;
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
}
.catalog-version {
  display: inline-block;
  margin-top: 4px;
  opacity: 0.7;
}
@media (max-width: 768px) {
  .research-grid {
    grid-template-columns: 1fr;
    gap: var(--space-m);
  }
}
@media (prefers-reduced-motion: reduce) {
  .research-card { transition: none; }
}

/* ============================================================
   ASSISTENTE SECTION (Parte 4.4)
============================================================ */
#assistente {
  background: var(--color-carvao);
}
.assist-intro {
  font-size: 1.0625rem;
  color: var(--color-pergaminho-minus1);
  max-width: 560px;
  margin: 0 auto var(--space-2xl);
  text-align: center;
  line-height: 1.7;
}
.assist-mock {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
}
.assist-bubble {
  border-radius: 14px;
  padding: var(--space-m) var(--space-l);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.assist-bubble--user {
  background: rgba(237, 234, 227, 0.04);
  border: 1px solid rgba(237, 234, 227, 0.10);
  align-self: flex-start;
  max-width: 85%;
}
.assist-bubble--ai {
  background: rgba(184, 130, 60, 0.04);
  border: 1px solid rgba(184, 130, 60, 0.30);
  align-self: flex-end;
  max-width: 90%;
}
.assist-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-pergaminho-minus2);
  margin-bottom: 2px;
}
.assist-bubble--ai .assist-label {
  color: var(--color-ambar);
  opacity: 0.75;
}
.assist-bubble p {
  font-size: 0.9375rem;
  color: var(--color-pergaminho-minus1);
  line-height: 1.6;
}
.assist-code {
  font-family: var(--font-mono) !important;
  color: var(--color-ambar) !important;
  font-size: 0.875rem !important;
  letter-spacing: 0.04em;
}
.assist-detail {
  font-family: var(--font-mono);
  font-size: 0.75rem !important;
  color: var(--color-pergaminho-minus2) !important;
  letter-spacing: 0.03em;
}
.assist-availability {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-align: center;
  color: var(--color-pergaminho-minus2);
  opacity: 0.5;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: var(--space-s);
}
@media (max-width: 600px) {
  .assist-bubble--user,
  .assist-bubble--ai { max-width: 100%; align-self: stretch; }
  .assist-bubble { padding: var(--space-m); }
}

/* ============================================================
   ARQUIVO ABERTO — Email capture (Parte 4.5)
============================================================ */
#arquivo-aberto {
  background: var(--color-carvao);
  padding: var(--space-3xl) 0;
}
.open-archive-card {
  max-width: 560px;
  margin: 0 auto;
  background: rgba(237, 234, 227, 0.03);
  border: 1px solid rgba(184, 130, 60, 0.22);
  border-radius: 20px;
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
}
.oa-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-pergaminho);
  margin: var(--space-s) 0 var(--space-m);
}
.oa-sub {
  font-size: 0.9375rem;
  color: var(--color-pergaminho-minus1);
  line-height: 1.65;
  max-width: 440px;
  margin: 0 auto var(--space-l);
}
.oa-form {
  display: flex;
  gap: var(--space-s);
  flex-wrap: wrap;
  justify-content: center;
}
.oa-form input[type="email"] {
  flex: 1;
  min-width: 220px;
  background: rgba(11, 11, 14, 0.6);
  border: 1px solid rgba(237, 234, 227, 0.12);
  border-radius: 40px;
  padding: 14px 20px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-pergaminho);
  outline: none;
  transition: border-color var(--trans);
}
.oa-form input[type="email"]::placeholder {
  color: var(--color-pergaminho-minus2);
  opacity: 0.7;
}
.oa-form input[type="email"]:focus {
  border-color: var(--color-ambar);
  box-shadow: 0 0 16px rgba(184, 130, 60, 0.12);
}
.oa-micro {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-pergaminho-minus2);
  opacity: 0.55;
  margin-top: var(--space-s);
  letter-spacing: 0.04em;
}
/* btn-secondary — used in email form and gateway modal footer */
.btn-secondary {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--color-ambar);
  color: var(--color-ambar);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 40px;
  cursor: pointer;
  touch-action: manipulation;
  transition: background var(--trans), color var(--trans), box-shadow var(--trans);
  text-decoration: none;
  white-space: nowrap;
}
.btn-secondary:hover {
  background: var(--color-ambar);
  color: var(--color-carvao);
  box-shadow: 0 0 24px rgba(184, 130, 60, 0.3);
}
.btn-secondary:active {
  transform: scale(0.97);
}
@media (max-width: 540px) {
  .open-archive-card { padding: var(--space-xl) var(--space-m); }
  .oa-form { flex-direction: column; gap: var(--space-xs); }
  .oa-form input[type="email"], .btn-secondary { width: 100%; }
}

/* ============================================================
   FOOTER INSTITUCIONAL — grid 3 colunas (Parte 4.6)
============================================================ */
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-xl);
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.footer-col--main {
  gap: var(--space-s);
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-pergaminho-minus1);
  margin-bottom: var(--space-2xs);
}
.footer-selo-img {
  display: block;
  width: 80px;
  height: 80px;
  object-fit: contain;
  opacity: 0.75;
  margin: 0 auto var(--space-s);  /* centralizado no mobile */
  transition: opacity 0.3s ease;
}
.footer-selo-img:hover {
  opacity: 1;
}

/* Desktop: alinhar à esquerda se o footer for em colunas */
@media (min-width: 769px) {
  .footer-selo-img {
    margin: 0 0 var(--space-s) 0;
  }
}
.footer-desc {
  font-size: 0.8125rem;
  color: var(--color-pergaminho-minus2);
  line-height: 1.65;
  opacity: 0.7;
}
.footer-contact {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-pergaminho-minus2);
  opacity: 0.55;
  letter-spacing: 0.04em;
}
.footer-contact a {
  color: inherit;
  text-decoration: none;
  transition: color var(--trans), opacity var(--trans);
}
.footer-contact a:hover {
  color: var(--color-ambar);
  opacity: 1;
}
.footer-col-title {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ambar);
  opacity: 0.85;
  margin-bottom: var(--space-2xs);
}
.footer-col a {
  font-size: 0.8125rem;
  color: rgba(237, 234, 227, 0.55);
  transition: color 0.2s var(--ease);
  line-height: 1.5;
}
.footer-col a:hover {
  color: var(--color-ambar);
}
/* Button styled as link for gateway in footer */
.footer-link-btn {
  display: inline;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-size: 0.8125rem;
  color: rgba(237, 234, 227, 0.55);
  cursor: pointer;
  text-align: left;
  transition: color 0.2s var(--ease);
  line-height: 1.5;
}
.footer-link-btn:hover {
  color: var(--color-ambar);
}
.footer-bottom {
  border-top: 1px solid rgba(237, 234, 227, 0.06);
  padding-top: var(--space-l);
  padding-bottom: var(--space-l);
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--color-pergaminho-minus2);
  opacity: 0.65;
}
.footer-legal {
  font-size: 0.6875rem;
  color: var(--color-pergaminho-minus2);
  opacity: 0.45;
  line-height: 1.55;
  max-width: 800px;
}
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    padding-top: var(--space-xl);
  }
  footer { padding-bottom: calc(var(--space-xl) + 72px); }
}

/* ============================================================
   PARCELAS — pricing card Completo (Parte 2.5)
============================================================ */
.pricing-installments {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-pergaminho-minus2);
  opacity: 0.65;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-xs);
}

/* ============================================================
   REDUCED MOTION — novos componentes animados
============================================================ */
@media (prefers-reduced-motion: reduce) {
  .research-card,
  .assist-bubble,
  .open-archive-card {
    transition: none;
  }
}

/* === REFACTOR v2 === */

/* NAV e hero aside: ocultar no mobile */
@media (max-width: 768px) {
  .nav-links-group { display: none; }
  .hero__aside { display: none; }
}

/* GARANTIA dentro da oferta */
#oferta .guarantee-card {
  margin-top: 2.5rem;
  border-top: 0.5px solid rgba(237, 234, 227, 0.1);
  padding-top: 2rem;
  background: transparent;
  box-shadow: none;
}

/* GATEWAY BTN: rebaixar visualmente */
#gateway-btn {
  font-size: 0.8rem;
  opacity: 0.6;
  margin-top: 0.5rem;
}


/* === SPRINT v2.1 === */

/* FIX GAP: Hero altura automática no mobile (aside oculto não precisa de 100dvh) */
@media (max-width: 768px) {
  .hero { min-height: auto !important; padding-bottom: var(--space-m); }
  .hero__grid { min-height: auto !important; }
}

/* POST-DEMO BRIDGE CTA — entre demo e social */
.post-demo-bridge {
  display: none;
  justify-content: center;
  align-items: center;
  padding: 2.5rem var(--space-m) 0.5rem;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.post-demo-bridge.show {
  opacity: 1;
  transform: translateY(0);
}
.bridge-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  background: linear-gradient(135deg, #C8912A 0%, #A06C1A 100%);
  color: #0B0B0E;
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.025em;
  line-height: 1.3;
  padding: 1rem 1.5rem;
  border-radius: 2rem;
  text-decoration: none;
  text-align: center;
  white-space: normal;
  box-shadow:
    0 0 0 1px rgba(184, 130, 60, 0.25),
    0 0 28px rgba(184, 130, 60, 0.50),
    0 6px 20px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}
.bridge-cta-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow:
    0 0 0 1px rgba(184, 130, 60, 0.4),
    0 0 44px rgba(184, 130, 60, 0.70),
    0 10px 30px rgba(0, 0, 0, 0.45);
  filter: brightness(1.08);
}
.bridge-cta-btn:active { transform: translateY(0) scale(0.98); }

/* === SPRINT v2.2: Fixes === */

/* NAV: forçar visibilidade no desktop (CSS anterior só tinha o hide mobile) */
.nav-links-group {
  display: flex !important;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
@media (max-width: 768px) {
  .nav-links-group { display: none !important; }
}

/* ============================================================
   NAV FIX — mostra O Acervo / Demo / Mecanismo no desktop e mobile
============================================================ */

#header-nav {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 10000 !important;
  min-height: 60px;
  background: rgba(11, 11, 14, 0.92) !important;
  border-bottom: 1px solid rgba(237, 234, 227, 0.12) !important;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

#header-nav .nav-inner {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  height: 60px;
  gap: 16px;
}

#header-nav .nav-links-group {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  gap: 8px !important;
  visibility: visible !important;
  opacity: 1 !important;
  min-width: 0;
}

#header-nav .nav-link-anchor {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 14px;
  border: 1px solid rgba(237, 234, 227, 0.14);
  border-radius: 999px;
  color: var(--color-pergaminho-minus1);
  background: rgba(237, 234, 227, 0.025);
}

#header-nav .nav-link-anchor:hover {
  border-color: var(--color-ambar);
  color: var(--color-pergaminho);
  background: rgba(184, 130, 60, 0.08);
}

/* Mobile: mantém os botões visíveis em vez de esconder */
@media (max-width: 768px) {
  #header-nav .nav-inner {
    height: auto !important;
    min-height: 58px;
    padding-top: 8px;
    padding-bottom: 8px;
    gap: 8px;
  }

  #header-nav .logo-img {
    height: 24px !important;
    max-width: 120px !important;
  }

  #header-nav .nav-links-group {
    display: flex !important;
    flex: 1 1 auto;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  #header-nav .nav-links-group::-webkit-scrollbar {
    display: none;
  }

  #header-nav .nav-link-anchor {
    font-size: 0.56rem;
    letter-spacing: 0.055em;
    padding: 6px 9px;
  }
}

@media (max-width: 380px) {
  #header-nav .logo-img {
    max-width: 96px !important;
  }

  #header-nav .nav-link-anchor {
    font-size: 0.52rem;
    padding: 5px 7px;
  }
}

/* ============================================================
   BOTÃO DE SUPORTE E E-MAIL NO FOOTER
============================================================ */
.support-wrapper {
  margin-bottom: 2.5rem;
}
.btn-support-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  background: rgba(184, 130, 60, 0.04);
  border: 1px solid rgba(184, 130, 60, 0.22);
  border-radius: 30px;
  color: var(--color-pergaminho-minus2);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  transition: all var(--trans);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.btn-support-card strong {
  color: var(--color-ambar);
  font-weight: 600;
  margin-left: 4px;
}
.btn-support-card:hover {
  background: rgba(184, 130, 60, 0.1);
  border-color: var(--color-ambar);
  color: var(--color-pergaminho);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(184, 130, 60, 0.15);
}
.btn-support-card:active {
  transform: translateY(0);
}

/* ============================================================
   OTIMIZAÇÕES CLARITY — SPRINT
   ============================================================ */

/* Bloco 2.2 — Bridge CTA Attention Animation */
.post-demo-cta.show .bridge-cta-btn {
  animation: cta-pulse-amber 2.5s ease-in-out 0.8s infinite;
}

@keyframes cta-pulse-amber {
  0%, 100% { box-shadow: 0 0 0 1px rgba(184,130,60,0.25), 0 0 28px rgba(184,130,60,0.50), 0 6px 20px rgba(0,0,0,0.35); }
  50% { box-shadow: 0 0 0 1px rgba(184,130,60,0.5), 0 0 48px rgba(184,130,60,0.75), 0 8px 28px rgba(0,0,0,0.45); }
}

/* Bloco 2.4 — Demo Sticky Bar */
.demo-sticky-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 10px var(--space-m);
  background: rgba(11, 11, 14, 0.97);
  border-bottom: 1px solid rgba(184, 130, 60, 0.25);
  backdrop-filter: blur(8px);
  transform: translateY(-100%);
  transition: transform 0.4s var(--ease);
  pointer-events: none;
}
.demo-sticky-bar.show {
  transform: translateY(0);
  pointer-events: all;
}
.demo-sticky-bar__text {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--color-pergaminho-minus1);
  text-transform: uppercase;
  white-space: nowrap;
}
.demo-sticky-bar__btn {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-carvao);
  background: var(--color-ambar);
  padding: 6px 14px;
  border-radius: 20px;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
@media (max-width: 480px) {
  .demo-sticky-bar__text { display: none; }
}

/* Bloco 8 — Compact mobile spacings */
@media (max-width: 768px) {
  .section-divider {
    margin: var(--space-m) 0 !important;
  }
  #pain .container,
  #mechanism .container,
  #faq .container {
    padding-block: 0 !important;
  }
}

/* ============================================================
   MATERIAL POR DENTRO & MOCKUP SHOWCASE SPRINT
   ============================================================ */

.inside-preview-section {
  padding-block: var(--space-3xl) var(--space-xl);
  background: var(--color-carvao);
  overflow: hidden;
}

@media (max-width: 768px) {
  .inside-preview-section {
    padding-block: var(--space-l) var(--space-m);
  }
}
.preview-carousel-wrap {
  position: relative;
  max-width: 1200px;
  margin: var(--space-xl) auto 0;
  padding: 0 48px;
}
@media (max-width: 768px) {
  .preview-carousel-wrap {
    margin-top: var(--space-m);
  }
}
.preview-carousel-container {
  overflow: hidden;
  width: 100%;
}
.preview-carousel-track {
  display: flex;
  gap: 24px;
  transition: transform 0.4s var(--ease);
}
.preview-card {
  flex: 0 0 calc((100% - 48px) / 3); /* 3 cards visible */
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(184, 130, 60, 0.18);
  background: var(--color-carvao-minus1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.preview-card:hover {
  transform: translateY(-4px);
  border-color: rgba(184, 130, 60, 0.4);
}
.preview-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Preview carousel controls */
.preview-carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  background: rgba(184, 130, 60, 0.15);
  border: 1px solid rgba(184, 130, 60, 0.25);
  border-radius: 50%;
  color: var(--color-pergaminho);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
}
.preview-carousel-btn:hover {
  background: var(--color-ambar);
  color: var(--color-carvao);
  border-color: var(--color-ambar);
}
.preview-carousel-btn.prev { left: 0; }
.preview-carousel-btn.next { right: 0; }

.preview-carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: var(--space-l);
}
.preview-carousel-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(237, 234, 227, 0.2);
  cursor: pointer;
  transition: background 0.3s ease;
}
.preview-carousel-dots span.active {
  background: var(--color-ambar);
  width: 20px;
  border-radius: 4px;
}

@media (max-width: 900px) {
  .preview-card {
    flex: 0 0 calc((100% - 24px) / 2); /* 2 cards visible */
  }
}
@media (max-width: 600px) {
  .preview-carousel-wrap {
    padding: 0 20px;
  }
  .preview-card {
    flex: 0 0 100%; /* 1 card visible */
  }
  .preview-carousel-btn {
    display: none;
  }
}

