/* Site de Fabricio Dudek · Versão Rascunho / Interativa
   Tokens do design system, fontes locais, sem CDN.
   Estilos limpos, sem duplicações, com ritmo vertical refinado e micro-interações. */

/* ---- fontes locais ---- */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(assets/fonts/jetbrains-mono-3.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(assets/fonts/jetbrains-mono-3.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Satoshi";
  src: url("assets/fonts/Satoshi-Variable.woff2") format("woff2-variations"), url("assets/fonts/Satoshi-Regular.woff2") format("woff2");
  font-weight: 300 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Satoshi";
  src: url("assets/fonts/Satoshi-VariableItalic.woff2") format("woff2-variations"), url("assets/fonts/Satoshi-Italic.woff2") format("woff2");
  font-weight: 300 900;
  font-style: italic;
  font-display: swap;
}

/* ---- tokens ---- */
:root {
  /* Gelo: papel, branco frio quase neutro */
  --gelo-50: #FCFCFA;
  --gelo-100: #F7F6F3;
  --gelo-200: #EFEEEA;
  --gelo-300: #E4E3DE;

  /* Cinza */
  --cinza-100: #C9C8C4;
  --cinza-200: #A6A5A1;
  --cinza-300: #8A8985;
  --cinza-400: #6E6D6A;
  --cinza-500: #4A4947;

  /* Tinta: preto 90% */
  --tinta-700: #333331;
  --tinta-800: #242422;
  --tinta-900: #1A1A18;

  /* Acento único: vermelho suíço cirúrgico */
  --vermelho-100: #FADEDC;
  --vermelho-300: #F0837B;
  --vermelho-500: #E1251B;
  --vermelho-600: #B31C14;

  /* Superfícies */
  --surface-page: var(--gelo-100);
  --surface-raised: var(--gelo-50);
  --surface-sunken: var(--gelo-200);
  --surface-card: var(--gelo-50);
  --surface-inverse: var(--tinta-900);
  --surface-accent: var(--vermelho-100);

  /* Texto */
  --text-strong: var(--tinta-900);
  --text-body: var(--tinta-700);
  --text-muted: var(--cinza-400);
  --text-faint: var(--cinza-300);
  --text-on-inverse: var(--gelo-100);
  --text-link: var(--vermelho-500);
  --text-link-hover: var(--vermelho-600);

  /* Linhas */
  --line-hairline: var(--gelo-300);
  --line-strong: var(--tinta-900);
  --line-muted: var(--cinza-100);

  /* Interativo */
  --action-primary: var(--tinta-900);
  --action-primary-hover: var(--tinta-700);
  --action-accent: var(--vermelho-500);
  --action-accent-hover: var(--vermelho-600);
  --focus-ring: var(--vermelho-500);

  /* Status */
  --status-info: var(--tinta-900);
  --status-info-surface: var(--gelo-200);
  --status-attention: var(--vermelho-500);
  --status-attention-surface: var(--vermelho-100);
  --status-calm: var(--cinza-400);
  --status-calm-surface: var(--gelo-200);

  /* Tipografia */
  --font-display: "Satoshi", "Helvetica Neue", Helvetica, sans-serif;
  --font-sans: "Satoshi", "Helvetica Neue", Helvetica, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --text-display-xl: clamp(2.75rem, 5.5vw, 4.75rem);
  --text-display-l: clamp(2.25rem, 4vw, 3.25rem);
  --text-display-m: clamp(1.65rem, 2.8vw, 2.15rem);
  --text-title: 1.35rem;
  --text-subtitle: 1.125rem;
  --text-body-l: 1.0625rem;
  --text-body: 0.9375rem;
  --text-small: 0.84375rem;
  --text-label: 0.75rem;

  --leading-tight: 1.05;
  --leading-snug: 1.22;
  --leading-heading: 1.15;
  --leading-body: 1.55;

  --tracking-display: -0.035em;
  --tracking-title: -0.02em;
  --tracking-subtitle: -0.01em;
  --tracking-label: 0.08em;

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Espaçamento Calibrado */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 80px;

  --gutter: var(--space-5);
  --section-y: clamp(3.5rem, 5.5vw, 5rem);
  --container-max: 1180px;
  --container-prose: 680px;
  --container-pad: clamp(20px, 4vw, 48px);

  /* Bordas e Raio */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;
  --border-hairline: 1px;

  /* Elevação e Véu */
  --blur-veil: saturate(140%) blur(16px);
  --veil-gelo: rgba(247, 246, 243, 0.88);

  /* Movimento */
  --dur-fast: 160ms;
  --dur-base: 240ms;
  --ease-standard: cubic-bezier(0.2, 0, 0.2, 1);
  --transition-ui: color var(--dur-fast) var(--ease-standard),
    background-color var(--dur-fast) var(--ease-standard),
    border-color var(--dur-fast) var(--ease-standard),
    box-shadow var(--dur-fast) var(--ease-standard),
    transform var(--dur-fast) var(--ease-standard);
}

/* Reset Básico */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: var(--leading-body);
  color: var(--text-default);
  background-color: var(--surface-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-strong);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-title);
  font-weight: var(--weight-bold);
}

h1 {
  font-size: var(--text-display-xl);
  line-height: 1.05;
  letter-spacing: var(--tracking-display);
}

h2 {
  font-size: var(--text-display-l);
  letter-spacing: var(--tracking-display);
}

p {
  color: var(--text-default);
}

p+p {
  margin-top: var(--space-3);
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: var(--transition-ui);
}

a:hover {
  color: var(--text-link-hover);
}

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Canvas de Fundo 3D Three.js */
#campo {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  display: block;
  pointer-events: none;
}

/* Vídeo de Fundo do Hero, com Scrub por Rolagem

   Mora dentro do .hero, não na janela: assim ele rola junto e não tem como
   invadir a seção seguinte. Sangra de ponta a ponta pela largura da tela
   (o overflow-x escondido do body segura os 100vw). O véu é escuro nos dois
   temas — ver o bloco do .hero, que trata o hero como superfície escura. */
.fundo-video {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.fundo-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* O véu é escuro nos dois temas, e a máscara é que o afina para a direita:
   cobertura cheia sob a coluna de texto, mais fina na borda onde só existe
   imagem. Mesmo recurso que a textura do hero já usa. */
.fundo-video-veu {
  position: absolute;
  inset: 0;
  background: var(--hero-veu, #1A1A18);
  opacity: var(--veu-video, 0.78);
  -webkit-mask-image: linear-gradient(to right, #000 0%, #000 52%, rgba(0, 0, 0, 0.88) 100%);
  mask-image: linear-gradient(to right, #000 0%, #000 52%, rgba(0, 0, 0, 0.88) 100%);
}

/* Barra de Progresso no Topo */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  transform-origin: 0 50%;
  background: var(--vermelho-500);
  z-index: 60;
  transform: scaleX(0);
  transition: transform 0.08s linear;
}

/* Header Fixo e Navegação */
.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--veil-gelo);
  backdrop-filter: var(--blur-veil);
  -webkit-backdrop-filter: var(--blur-veil);
  border-bottom: var(--border-hairline) solid var(--line-hairline);
  transition: border-color var(--dur-fast) ease;
}

.top .wrap {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-block: 14px;
  transition: padding-block 0.2s ease;
}

.top.scrolled .wrap {
  padding-block: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  border-bottom: none;
}

.brand img {
  width: 36px;
  height: 36px;
}

.brand b {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: 19px;
  letter-spacing: var(--tracking-display);
  color: var(--text-strong);
  line-height: 1;
  display: block;
}

.brand small {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-faint);
  white-space: nowrap;
  display: block;
  margin-top: 3px;
}

.nav {
  margin-left: auto;
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.nav a:not(.btn) {
  position: relative;
  font-size: var(--text-small);
  border-bottom: none;
  white-space: nowrap;
  color: var(--text-muted);
  padding-block: 4px;
  transition: color var(--dur-fast) ease;
}

.nav a:not(.btn)::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--vermelho-500);
  transition: width var(--dur-fast) ease;
}

.nav a:not(.btn):hover,
.nav a:not(.btn).active {
  color: var(--text-strong);
}

.nav a:not(.btn).active::after {
  width: 100%;
}

.nav a.btn-accent,
a.btn-accent,
a.btn-accent:hover,
a.btn-accent:focus {
  color: #ffffff !important;
  background: var(--vermelho-500);
  border-color: var(--vermelho-500);
}

.nav a.btn-accent:hover,
a.btn-accent:hover {
  background: var(--vermelho-600);
  border-color: var(--vermelho-600);
  color: #ffffff !important;
}

.burger {
  display: none;
}

/* Layout Geral & Seções */
.wrap {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-pad);
}

.sec {
  padding-block: var(--section-y);
  border-top: var(--border-hairline) solid var(--line-hairline);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--vermelho-500);
  flex: 0 0 auto;
}

.lead {
  margin-top: var(--space-4);
  font-size: var(--text-body-l);
  color: var(--text-muted);
  max-width: var(--container-prose);
  line-height: var(--leading-body);
}

.sub {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: var(--tracking-subtitle);
  font-size: var(--text-title);
  line-height: 1.25;
  color: var(--cinza-400);
}

.filete {
  display: block;
  height: 4px;
  width: 76px;
  background: var(--vermelho-500);
  margin-bottom: var(--space-4);
}

/* Numerais Editoriais com Parallax */
.numeral {
  position: absolute;
  top: -0.16em;
  right: var(--container-pad);
  z-index: -1;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(110px, 13vw, 190px);
  line-height: .78;
  letter-spacing: -.05em;
  color: var(--gelo-200);
  user-select: none;
  pointer-events: none;
  will-change: transform;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
  font-size: var(--text-body);
  padding: 12px 20px;
  border: var(--border-hairline) solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-ui);
}

.btn:active {
  transform: translateY(1px);
}

.btn-lg {
  padding: 14px 24px;
  font-size: var(--text-body);
}

.btn-sm {
  padding: 7px 14px;
  font-size: var(--text-small);
}

.btn-primary {
  background: var(--action-primary);
  color: var(--text-on-inverse);
  border-color: var(--action-primary);
}

.btn-primary:hover {
  background: var(--action-primary-hover);
  color: var(--text-on-inverse);
}

.btn-accent {
  background: var(--action-accent);
  color: #fff;
  border-color: var(--action-accent);
}

.btn-accent:hover {
  background: var(--action-accent-hover);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--text-strong);
  border-color: var(--line-strong);
}

.btn-secondary:hover {
  background: var(--surface-sunken);
  color: var(--text-strong);
}

.actions {
  margin-top: var(--space-6);
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
}

/* Cartões */
.card {
  position: relative;
  background: var(--surface-card);
  border: var(--border-hairline) solid var(--line-hairline);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 3px;
  width: 0;
  background: var(--vermelho-500);
  transition: width 0.3s ease;
  z-index: 3;
}

.card:hover::before {
  width: 100%;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.card[data-spotlight]::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: radial-gradient(360px circle at var(--mouse-x, -500px) var(--mouse-y, -500px), rgba(225, 37, 27, 0.08), transparent 70%);
  z-index: 1;
}

.card[data-spotlight]:hover::after {
  opacity: 1;
}

.card > * {
  position: relative;
  z-index: 2;
}

.card.sunken {
  background: var(--surface-sunken);
  border-color: transparent;
}

.card.inverse {
  background: var(--surface-inverse);
  border-color: var(--surface-inverse);
  color: var(--text-on-inverse);
  padding: var(--space-6);
}

.card.inverse h3 {
  color: var(--text-on-inverse);
}

.rule-acento {
  display: block;
  width: 40px;
  height: 3px;
  background: var(--vermelho-500);
  margin-bottom: var(--space-3);
}

/* Badges e Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  background: var(--status-calm-surface);
  color: var(--text-muted);
}

.badge.info {
  background: var(--status-info-surface);
  color: var(--vermelho-600);
}

.badge.strong {
  background: var(--surface-inverse);
  color: var(--text-on-inverse);
}

.badge .dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: currentColor;
}

.tag {
  display: inline-flex;
  font-size: var(--text-small);
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  border: var(--border-hairline) solid var(--line-hairline);
  color: var(--text-default);
  white-space: nowrap;
}

.card-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: 6px;
  column-gap: 8px;
  margin-bottom: var(--space-4);
  width: 100%;
}

.card-meta-row .badge {
  flex-shrink: 0;
}

.card-meta-row .date-reading {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ---- 01. HERO SECTION COM PAINEL CLÍNICO BALANCEADO ---- */

/* Com o vídeo atrás, o hero é sempre superfície escura — inclusive no tema
   dia. Por isso as cores daqui saem da escala bruta (--tinta / --gelo), que
   não vira com o tema, e não dos tokens semânticos, que viram. */
.hero {
  padding-block: var(--space-8) var(--space-7);
  position: relative;
  isolation: isolate;

  --hero-veu: var(--tinta-900);
  --hero-texto: var(--gelo-50);
  --hero-texto-suave: rgba(252, 252, 250, 0.84);
  --hero-texto-fraco: rgba(252, 252, 250, 0.62);
  --hero-linha: rgba(252, 252, 250, 0.24);
}

.hero h1,
.hero .facts .v,
.hero .lead strong {
  color: var(--hero-texto);
}

.hero .lead {
  color: var(--hero-texto-suave);
}

.hero .eyebrow {
  color: var(--hero-texto-fraco);
}

.hero .facts {
  border-top-color: var(--hero-linha);
}

/* O vermelho escuro some no fundo escuro; sobe um degrau na escala. */
.hero .facts .v.acento {
  color: var(--vermelho-500);
}

.hero .btn-secondary {
  color: var(--hero-texto);
  border-color: var(--hero-linha);
}

.hero .btn-secondary:hover {
  background: rgba(252, 252, 250, 0.1);
  color: var(--hero-texto);
  border-color: var(--hero-texto-fraco);
}

.hero .badge {
  background: rgba(252, 252, 250, 0.08);
  color: var(--hero-texto-fraco);
}

.facts {
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: var(--border-hairline) solid var(--line-hairline);
  padding-top: var(--space-4);
}

.facts div {
  padding-right: var(--space-4);
}

.facts .v {
  margin-top: var(--space-1);
  font-size: var(--text-subtitle);
  color: var(--text-strong);
  font-weight: 600;
}

.facts .v.acento {
  color: var(--vermelho-600);
}

/* Marquee */
.marquee {
  overflow: hidden;
  background: var(--tinta-900);
  border-block: 1px solid var(--tinta-700);
}

.marquee .trilha {
  display: flex;
  width: max-content;
  animation: desliza 34s linear infinite;
}

.marquee:hover .trilha {
  animation-play-state: paused;
}

.marquee .item {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gelo-100);
  white-space: nowrap;
}

.marquee .pt {
  width: 6px;
  height: 6px;
  background: var(--vermelho-500);
  flex: 0 0 6px;
}

@keyframes desliza {
  to {
    transform: translateX(-50%);
  }
}

/* ---- 02. QUEM ATENDE ---- */
.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-8);
  align-items: start;
}

.photo {
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--surface-sunken);
  position: relative;
}

.photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .8s ease, filter .5s ease;
  filter: grayscale(1) contrast(1.04);
}

.photo:hover img {
  transform: scale(1.03);
  filter: grayscale(0);
}

.photo .tag {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gelo-100);
  background: var(--tinta-900);
  padding: 5px 10px;
  border-radius: 0;
}

/* ---- 03. ABORDAGEM / HEXAFLEX INTERATIVO ---- */
.hexaflex-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-4);
}

.hexaflex-dica {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--surface-sunken);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  align-self: flex-start;
}

.grid-hexaflex {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.pillar {
  cursor: default;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  opacity: 1 !important;
  visibility: visible !important;
  transition: transform 0.2s ease, border-color 0.2s ease, opacity 0.25s ease, box-shadow 0.2s ease;
}

.pillar-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.pillar svg {
  width: 22px;
  height: 22px;
  stroke: var(--text-muted);
  transition: stroke 0.2s ease, transform 0.2s ease;
}

.pillar-dyad {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.pillar h3 {
  margin-top: var(--space-2);
  font-size: var(--text-title);
  color: var(--text-strong);
}

.pillar p {
  margin-top: var(--space-2);
  color: var(--text-muted);
  font-size: var(--text-small);
  line-height: 1.5;
}

.pillar:hover svg,
.pillar.is-hovered svg,
.pillar.dyad-match svg {
  stroke: var(--vermelho-500);
  transform: scale(1.08);
}

.pillar.is-hovered,
.pillar.dyad-match {
  border-color: var(--vermelho-500);
  box-shadow: 0 6px 20px -6px rgba(225, 37, 27, 0.16);
  opacity: 1 !important;
}

.pillar.is-hovered .pillar-dyad,
.pillar.dyad-match .pillar-dyad {
  color: var(--vermelho-500);
  font-weight: 600;
}

.grid-hexaflex.has-focus .pillar:not(.is-hovered):not(.dyad-match) {
  opacity: 0.42 !important;
  transform: scale(0.988);
}

blockquote {
  margin: 0;
  padding-left: var(--space-5);
  border-left: 3px solid var(--vermelho-500);
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-display-m);
  line-height: 1.25;
  letter-spacing: var(--tracking-display);
  color: var(--text-strong);
  max-width: var(--measure-narrow);
}

figcaption {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---- 04. PERGUNTAS / ACORDEÃO COM GRID 2 COLUNAS BALANCEADO ---- */
.perguntas-split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-8);
  align-items: start;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--surface-card);
  border: var(--border-hairline) solid var(--line-hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease;
}

.faq-item:hover,
.faq-item.open {
  border-color: var(--line-strong);
}

.faq-summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  font-size: var(--text-subtitle);
  font-weight: var(--weight-medium);
  color: var(--text-strong);
  user-select: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 20px;
  line-height: 1;
  transition: transform 0.2s ease, color 0.2s ease;
  margin-left: var(--space-4);
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--vermelho-500);
}

.faq-body {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--text-muted);
  font-size: var(--text-body);
  line-height: var(--leading-body);
}

/* ---- 05. AGENDAR / CONTATO ---- */
.mode-selector {
  display: flex;
  background: var(--surface-sunken);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-hairline);
  margin-top: var(--space-4);
  gap: 4px;
}

.mode-btn {
  flex: 1;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: .08em;
  text-transform: uppercase;
  background: transparent;
  border: none;
  padding: 9px 12px;
  border-radius: var(--radius-xs);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--dur-fast) ease;
  text-align: center;
}

.mode-btn:hover {
  color: var(--text-strong);
}

.mode-btn.active {
  background: var(--surface-raised);
  color: var(--text-strong);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.preview-box {
  margin-top: var(--space-4);
  background: var(--surface-raised);
  border-left: 2px solid var(--vermelho-500);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-small);
  color: var(--text-default);
}

.preview-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: block;
  margin-bottom: 4px;
}

.price {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: 28px;
  letter-spacing: var(--tracking-display);
  color: var(--vermelho-600);
  margin-top: 4px;
}

.doctoralia-safe {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  background: var(--surface-raised);
  border: 1px solid var(--line-hairline);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-top: var(--space-4);
}

.doctoralia-info {
  display: flex;
  flex-direction: column;
}

.doctoralia-info b {
  font-size: var(--text-small);
  color: var(--text-strong);
}

.doctoralia-info small {
  font-size: 11px;
  color: var(--text-muted);
}

/* ---- 06. RODAPÉ ---- */
footer {
  border-top: var(--border-hairline) solid var(--line-hairline);
  background: var(--surface-sunken);
}

footer .wrap {
  padding-block: var(--space-8);
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

footer .name {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: 22px;
  letter-spacing: var(--tracking-display);
  color: var(--text-strong);
  line-height: 1.1;
}

.contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-small);
  color: var(--text-muted);
}

.btn-copiar {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  background: transparent;
  border: 1px solid var(--line-hairline);
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  color: var(--text-default);
  cursor: pointer;
  align-self: flex-start;
  margin-top: 4px;
  transition: all var(--dur-fast) ease;
}

.btn-copiar:hover {
  border-color: var(--line-strong);
  color: var(--text-strong);
}

.btn-copiar.copied {
  background: var(--tinta-900);
  color: var(--gelo-100);
  border-color: var(--tinta-900);
}

.assinatura-grande {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(60px, 12vw, 180px);
  line-height: .82;
  letter-spacing: -.05em;
  color: var(--gelo-300);
  text-transform: uppercase;
  user-select: none;
  pointer-events: none;
  padding: 0 var(--container-pad) var(--space-4);
  max-width: var(--container-max);
  margin: 0 auto;
  overflow: hidden;
}

/* ---- 07. BLOG / ENSAIOS CLÍNICOS ---- */
.blog-hero {
  padding-block: var(--space-8) var(--space-5);
}

.blog-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-5);
}

.blog-tag {
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--surface-sunken);
  color: var(--text-muted);
  border: 1px solid var(--line-hairline);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--dur-fast) ease;
  user-select: none;
}

.blog-tag:hover {
  border-color: var(--line-strong);
  color: var(--text-strong);
}

.blog-tag.active {
  background: var(--tinta-900);
  color: #ffffff;
  border-color: var(--tinta-900);
  font-weight: 600;
}

.blog-featured {
  margin-top: var(--space-6);
  padding: var(--space-6);
  cursor: pointer;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.blog-card {
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.blog-read-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--vermelho-500);
  font-family: var(--font-mono);
  font-size: var(--text-small);
  letter-spacing: .04em;
  margin-top: var(--space-4);
  font-weight: 500;
  transition: gap var(--dur-fast) ease;
}

.card:hover .blog-read-link {
  gap: 12px;
}

/* Leitura de Artigo Individual */
.post-article {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-7) var(--container-pad) var(--section-y);
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--dur-fast) ease;
}

.btn-back:hover {
  color: var(--text-strong);
}

.post-prose {
  max-width: var(--container-prose);
  margin-top: var(--space-5);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.post-body {
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  font-size: var(--text-body-l);
  line-height: 1.7;
  color: var(--text-default);
}

.post-author-box {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: var(--border-hairline) solid var(--line-hairline);
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.post-author-avatar {
  width: 68px;
  height: 84px;
  object-fit: cover;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

/* CTA Fixa Mobile */
.cta-fixa {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  padding: 12px var(--container-pad) calc(12px + env(safe-area-inset-bottom));
  background: var(--veil-gelo);
  backdrop-filter: var(--blur-veil);
  -webkit-backdrop-filter: var(--blur-veil);
  border-top: var(--border-hairline) solid var(--line-hairline);
}

.cta-fixa .btn {
  width: 100%;
}

@media (min-width: 821px) {
  .cta-fixa {
    display: none;
  }
}

/* ---- RESPONSIVIDADE MOBILE (< 820px) ---- */
@media (max-width: 820px) {
  .facts,
  .split,
  .perguntas-split,
  .blog-grid,
  .grid-hexaflex {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .facts {
    gap: var(--space-4);
  }

  .hero h1 {
    font-size: clamp(2.2rem, 7vw, 3rem);
    max-width: none;
  }

  .numeral {
    font-size: clamp(80px, 18vw, 130px);
    right: var(--container-pad);
  }

  .burger {
    display: inline-flex;
    margin-left: auto;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: var(--border-hairline) solid var(--line-strong);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .1em;
    color: var(--text-strong);
    background: transparent;
  }

  .nav {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface-raised);
    border-bottom: var(--border-hairline) solid var(--line-hairline);
    padding: var(--space-3) var(--container-pad) var(--space-5);
    display: none;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
  }

  .top.menu-open .nav {
    display: flex;
  }

  .nav a:not(.btn) {
    padding: 12px 0;
    font-size: var(--text-body);
    border-bottom: 1px solid var(--line-hairline);
  }

  .nav a.btn {
    margin-top: var(--space-3);
    width: 100%;
    text-align: center;
  }

  .nav a::after {
    display: none;
  }

  .hero .actions {
    align-items: stretch;
  }

  .hero .actions .btn {
    width: 100%;
  }

  body {
    padding-bottom: 84px;
  }
}

/* ==========================================================================
   TEMA NOITE (DARK MODE) & BOTÃO TEMA-SWITCH
   ========================================================================== */
[data-tema="noite"] {
  color-scheme: dark;

  /* Superfícies */
  --surface-page: #141412;
  --surface-raised: #1F1F1D;
  --surface-sunken: #0F0F0E;
  --surface-card: #22221F;
  --surface-inverse: var(--gelo-100);
  --surface-accent: #3A1210;

  /* Texto */
  --text-strong: #FCFCFA;
  --text-default: #E4E3DE;
  --text-muted: #A6A5A1;
  --text-faint: #6E6D6A;
  --text-on-inverse: var(--tinta-900);
  --text-link: #F0837B;
  --text-link-hover: #FADEDC;

  /* Linhas */
  --line-hairline: #2E2E2B;
  --line-strong: #E4E3DE;
  --line-muted: #3A3A37;

  /* Interativo */
  --action-primary: var(--gelo-100);
  --action-primary-hover: var(--gelo-50);
  --action-accent: #E1251B;
  --action-accent-hover: #F0403A;
  --focus-ring: #F0837B;

  /* Status */
  --status-info: #E4E3DE;
  --status-info-surface: #2A2A27;
  --status-attention: #F0837B;
  --status-attention-surface: #3A1210;
  --status-calm: #A6A5A1;
  --status-calm-surface: #22221F;

  /* Véus e sombras */
  --veil-gelo: rgba(20, 20, 18, 0.78);
  --veil-tinta: rgba(10, 10, 9, 0.72);
  --shadow-raised: 0 2px 0 0 var(--gelo-300);
  --shadow-overlay: 0 24px 60px -24px rgba(0, 0, 0, 0.62);
}

[data-tema="noite"] .wordmark { color: #262623; }
[data-tema="noite"] .numeral { color: #232320; }

/* Inversão da Marca / Logo */
.logo-dia { display: block !important; }
.logo-noite { display: none !important; }
[data-tema="noite"] .logo-dia { display: none !important; }
[data-tema="noite"] .logo-noite { display: block !important; }

/* Alternador Flutuante Dia / Noite */
.tema-switch {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-hairline);
  border-radius: 999px;
  background: var(--veil-gelo);
  backdrop-filter: var(--blur-veil);
  -webkit-backdrop-filter: var(--blur-veil);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 4px 16px -2px rgba(0, 0, 0, 0.12);
  transition: all 0.2s ease;
  user-select: none;
}

.tema-switch:hover {
  color: var(--text-strong);
  border-color: var(--line-strong);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px -2px rgba(0, 0, 0, 0.2);
}

.tema-switch svg {
  display: block;
  flex: 0 0 15px;
  stroke: currentColor;
  stroke-width: 1.6;
  fill: none;
}

/* O alternador de tema e a barra fixa de contato ocupavam o mesmo canto
   inferior direito abaixo de 821px, e o botao caia por cima do texto do
   botao de WhatsApp. A barra mede 78px de altura a 375px; o alternador
   sobe acima dela enquanto ela existir. */
@media (max-width: 820px) {
  .tema-switch {
    bottom: calc(92px + env(safe-area-inset-bottom));
  }
}

@media print {
  .tema-switch { display: none; }
}