/* =================================================================
   BIBLIOMAT V2 — CSS unificado
   Paleta: navy (#0F1D35) + amarelo (#FFCC00) + branco
   Tipografia: Fraunces (display) + Inter (UI)
   ================================================================= */

:root {
  --navy-900: #0F1D35;
  --navy-800: #1A2F6E;
  --navy-700: #1E3A8A;
  --navy-500: #2563EB;
  --navy-400: #3B5FBF;
  --yellow: #FFCC00;
  --yellow-dark: #F4B400;
  --green: #16A34A;
  --green-dark: #15803D;
  --paper: #FAF7F0;
  --paper-dark: #F1ECDF;
  --bg: #F7F9FC;
  --ink: #0F1D35;
  --ink-soft: #4A5878;
  --line: #E2E8F0;

  /* Gradientes por eixo (mapeamento canônico) */
  --eixo-numeros: linear-gradient(135deg, #3498DB, #2980B9);
  --eixo-algebra: linear-gradient(135deg, #9B59B6, #8E44AD);
  --eixo-geometria: linear-gradient(135deg, #16A085, #1ABC9C);
  --eixo-grandezas: linear-gradient(135deg, #E67E22, #D35400);
  --eixo-multidisciplinar: linear-gradient(135deg, #27AE60, #1E8449);
  --eixo-recursos-digitais: linear-gradient(135deg, #34495E, #2C3E50);

  --shadow-sm: 0 1px 3px rgba(15, 29, 53, .08);
  --shadow-md: 0 4px 16px rgba(15, 29, 53, .12);
  --shadow-lg: 0 12px 40px rgba(15, 29, 53, .18);
  --radius: 14px;
  --radius-lg: 20px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ==== Acessibilidade (a11y) ==== */
*:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
  border-radius: 4px;
}
.skip-link {
  position: absolute; top: -100px; left: 16px;
  background: var(--navy-900); color: var(--yellow);
  padding: 12px 18px; border-radius: 8px;
  font-weight: 700; z-index: 1000;
  transition: top .2s ease;
}
.skip-link:focus {
  top: 12px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

h1, h2, h3 { font-family: 'Fraunces', Georgia, serif; font-weight: 700; line-height: 1.15; letter-spacing: -.01em; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* =================================================================
   HEADER GLOBAL
   ================================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .row {
  display: flex; align-items: center; gap: 24px;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand img { width: 36px; height: 36px; border-radius: 8px; }
.brand .name { font-family: 'Fraunces', serif; font-size: 22px; letter-spacing: -.01em; }
.nav-main { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav-main a { font-size: 14.5px; font-weight: 500; color: var(--ink-soft); transition: color .2s; }
.nav-main a:hover, .nav-main a.active { color: var(--navy-700); }
.nav-main .cta-mini {
  background: var(--yellow); color: var(--navy-900);
  padding: 8px 14px; border-radius: 999px; font-weight: 700;
}
.menu-toggle { display: none; background: none; border: none; font-size: 26px; cursor: pointer; color: var(--ink); }

@media (max-width: 860px) {
  .nav-main { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
  .site-header.menu-open .nav-main {
    display: flex; flex-direction: column; gap: 16px;
    position: absolute; top: 64px; left: 0; right: 0;
    background: white; padding: 20px 24px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }
}

/* =================================================================
   HERO
   ================================================================= */
.hero {
  position: relative; padding: 72px 0 64px;
  background: linear-gradient(135deg, var(--navy-400) 0%, var(--navy-700) 50%, var(--navy-800) 100%);
  color: white; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(255,204,0,.18), transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; }
.hero .eyebrow {
  display: inline-block; background: rgba(255,204,0,.18); color: var(--yellow);
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  letter-spacing: .02em; margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(34px, 5vw, 54px); margin-bottom: 18px; max-width: 18ch;
}
.hero h1 em { color: var(--yellow); font-style: normal; }
.hero .lead { font-size: clamp(17px, 2vw, 20px); max-width: 56ch; opacity: .92; margin-bottom: 30px; }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px; border-radius: 999px;
  font-weight: 700; font-size: 15.5px;
  transition: transform .15s ease, box-shadow .2s ease, background .2s;
  cursor: pointer; border: none;
}
.btn-primary { background: var(--yellow); color: var(--navy-900); box-shadow: 0 8px 24px rgba(255,204,0,.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(255,204,0,.45); }
.btn-ghost { background: rgba(255,255,255,.12); color: white; border: 1px solid rgba(255,255,255,.3); }
.btn-ghost:hover { background: rgba(255,255,255,.22); }

@media (max-width: 640px) { .hero { padding: 52px 0 44px; } }

/* =================================================================
   HERO DE EIXO (cor de fundo do eixo, mais compacto)
   ================================================================= */
.hero-eixo {
  position: relative; padding: 60px 0 48px;
  color: white; overflow: hidden;
}
.hero-eixo .container { position: relative; max-width: 900px; }
.hero-eixo .breadcrumb {
  font-size: 13.5px; opacity: .78; margin-bottom: 18px;
}
.hero-eixo .breadcrumb a { color: white; }
.hero-eixo .breadcrumb a:hover { text-decoration: underline; }
.hero-eixo .breadcrumb .sep { margin: 0 8px; opacity: .6; }
.hero-eixo h1 { font-size: clamp(34px, 5vw, 48px); margin-bottom: 14px; }
.hero-eixo .icon-large { font-size: 56px; margin-bottom: 12px; opacity: .92; }
.hero-eixo .desc { font-size: clamp(16px, 2vw, 18px); opacity: .92; max-width: 60ch; }
.hero-eixo .count {
  display: inline-block; margin-top: 18px;
  background: rgba(255,255,255,.18); color: white;
  padding: 6px 14px; border-radius: 999px; font-size: 13.5px; font-weight: 600;
}

.hero-numeros { background: var(--eixo-numeros); }
.hero-algebra { background: var(--eixo-algebra); }
.hero-geometria { background: var(--eixo-geometria); }
.hero-grandezas { background: var(--eixo-grandezas); }
.hero-multidisciplinar { background: var(--eixo-multidisciplinar); }
.hero-recursos-digitais { background: var(--eixo-recursos-digitais); }

/* =================================================================
   FILTROS LEVES (chips)
   ================================================================= */
.filter-bar {
  background: white; border-bottom: 1px solid var(--line);
  padding: 18px 0; position: sticky; top: 64px; z-index: 90;
}
.filter-row {
  display: flex; gap: 10px; flex-wrap: wrap;
}
.chip {
  background: white; color: var(--ink-soft);
  border: 1.5px solid var(--line);
  padding: 8px 16px; border-radius: 999px;
  font-size: 13.5px; font-weight: 600;
  cursor: pointer; transition: all .15s;
}
.chip:hover { border-color: var(--navy-700); color: var(--navy-700); }
.chip.active { background: var(--navy-700); color: white; border-color: var(--navy-700); }

/* =================================================================
   SECTION GENÉRICA
   ================================================================= */
section.block { padding: 72px 0; }
section.block.tight { padding: 48px 0; }
.block-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; }
.block-head h2 { font-size: clamp(26px, 3.4vw, 36px); }
.block-head .sub { color: var(--ink-soft); font-size: 15px; max-width: 60ch; margin-top: 6px; }
.block-head a.see-all { font-size: 14px; color: var(--navy-700); font-weight: 600; }
.block-head a.see-all:hover { text-decoration: underline; }

/* =================================================================
   GRID DE PRODUTOS
   ================================================================= */
.grid-products {
  display: grid; gap: 22px;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.product-card {
  background: white; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease;
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.product-card .thumb {
  aspect-ratio: 1.6 / 1; background: var(--eixo-numeros);
  display: flex; align-items: center; justify-content: center;
  font-size: 56px; color: white; position: relative;
}
.product-card .thumb.has-cover {
  aspect-ratio: unset; padding: 0; font-size: 0;
}
.product-card .thumb.has-cover img {
  width: 100%; height: auto; display: block;
}
.product-card .thumb .axis-tag {
  position: absolute; top: 12px; left: 12px;
  background: rgba(255,255,255,.92); color: var(--navy-900);
  font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 999px;
  letter-spacing: .02em; text-transform: uppercase;
}
.product-card .thumb .new-badge {
  position: absolute; top: 12px; right: 12px;
  background: var(--yellow); color: var(--navy-900);
  font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 999px;
}
.product-card .body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.product-card .body h3 {
  font-family: 'Inter', sans-serif; font-size: 15.5px; font-weight: 600; line-height: 1.35;
  letter-spacing: -.005em; margin-bottom: 4px; min-height: 42px;
}
.product-card .meta { font-size: 12.5px; color: var(--ink-soft); margin-bottom: 10px; }
.product-card .price { font-weight: 700; color: var(--navy-700); font-size: 17px; }
.product-card .cta-row { margin-top: 12px; display: flex; gap: 8px; }
.product-card .cta-row a {
  flex: 1; text-align: center; padding: 10px 12px; border-radius: 10px;
  font-size: 13.5px; font-weight: 600; transition: all .15s;
}
.product-card .cta-detail { background: white; color: var(--navy-700); border: 1.5px solid var(--navy-700); }
.product-card .cta-detail:hover { background: var(--navy-700); color: white; }
.product-card .cta-buy { background: var(--green); color: white; }
.product-card .cta-buy:hover { background: var(--green-dark); }

/* =================================================================
   GRID DE EIXOS
   ================================================================= */
.grid-eixos {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.eixo-card {
  border-radius: var(--radius-lg); padding: 28px 24px; min-height: 180px;
  color: white; display: flex; flex-direction: column; justify-content: space-between;
  transition: transform .2s ease, box-shadow .2s ease;
  position: relative; overflow: hidden;
}
.eixo-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.eixo-card .icon { font-size: 42px; opacity: .9; }
.eixo-card h3 { font-size: 24px; margin-top: 14px; line-height: 1.1; color: white; }
.eixo-card .count { font-size: 13.5px; opacity: .85; margin-top: 6px; font-family: 'Inter', sans-serif; font-weight: 500; }
.eixo-card .arrow { position: absolute; bottom: 22px; right: 22px; font-size: 20px; opacity: .85; }

.eixo-numeros { background: var(--eixo-numeros); }
.eixo-algebra { background: var(--eixo-algebra); }
.eixo-geometria { background: var(--eixo-geometria); }
.eixo-grandezas { background: var(--eixo-grandezas); }
.eixo-multidisciplinar { background: var(--eixo-multidisciplinar); }
.eixo-recursos-digitais { background: var(--eixo-recursos-digitais); }

/* =================================================================
   AUTOR (sobre resumo)
   ================================================================= */
.author-strip {
  background: var(--paper);
  padding: 64px 0;
}
.author-row {
  display: grid; gap: 36px; align-items: center;
  grid-template-columns: 200px 1fr;
}
.author-photo {
  width: 200px; height: 200px; border-radius: 50%;
  background: var(--paper-dark);
  background-size: cover; background-position: center 40%;
  border: 6px solid white; box-shadow: var(--shadow-md);
}
.author-text h2 { font-size: 30px; margin-bottom: 14px; }
.author-text p { color: var(--ink-soft); font-size: 16.5px; margin-bottom: 12px; max-width: 60ch; }
.author-text a { color: var(--navy-700); font-weight: 600; text-decoration: underline; }

@media (max-width: 640px) {
  .author-row { grid-template-columns: 1fr; text-align: center; }
  .author-photo { margin: 0 auto; }
  .author-text p { margin-left: auto; margin-right: auto; }
}

/* =================================================================
   WEQUEST SLOT (oculto até flag ativar)
   ================================================================= */
#wequest-card {
  background: linear-gradient(135deg, #2C3E50, #34495E);
  border-radius: var(--radius-lg); padding: 36px 32px;
  color: white; display: grid; gap: 20px;
  grid-template-columns: 1fr auto; align-items: center;
}
#wequest-card h3 { font-size: 26px; margin-bottom: 6px; color: white; }
#wequest-card p { color: rgba(255,255,255,.85); font-size: 15.5px; max-width: 50ch; }
@media (max-width: 640px) {
  #wequest-card { grid-template-columns: 1fr; text-align: center; }
}

/* =================================================================
   CROSS-SELL EIXO (no fim das páginas de eixo)
   ================================================================= */
.eixo-cross {
  background: var(--paper); padding: 48px 0;
  text-align: center;
}
.eixo-cross h3 { font-size: 22px; margin-bottom: 18px; }
.eixo-cross .grid-eixos { max-width: 900px; margin: 0 auto; }

/* =================================================================
   RECOMENDADOS (placeholder se vazio)
   ================================================================= */
.recomendados-empty {
  background: var(--paper); border: 2px dashed var(--paper-dark);
  border-radius: var(--radius-lg); padding: 44px 24px; text-align: center;
}
.recomendados-empty h3 { font-size: 22px; margin-bottom: 8px; }
.recomendados-empty p { color: var(--ink-soft); font-size: 15px; }

/* =================================================================
   ESTADO VAZIO (ex: filtro sem resultado)
   ================================================================= */
.empty-state {
  text-align: center; padding: 64px 24px; color: var(--ink-soft);
}
.empty-state h3 { font-size: 22px; margin-bottom: 8px; color: var(--ink); }
.empty-state p { font-size: 15px; max-width: 50ch; margin: 0 auto 16px; }

/* =================================================================
   PÁGINAS DE CONTEÚDO TEXTUAL (sobre, carta, faq, legal)
   ================================================================= */
.page-text {
  background: white; padding: 64px 0 80px;
}
.page-text .container { max-width: 760px; }
.page-text h1 {
  font-size: clamp(34px, 5vw, 48px); margin-bottom: 14px;
}
.page-text .lead {
  font-size: 18px; color: var(--ink-soft); margin-bottom: 40px; max-width: 60ch;
}
.page-text h2 {
  font-size: 26px; margin-top: 44px; margin-bottom: 14px;
}
.page-text h3 {
  font-size: 19px; font-family: 'Inter', sans-serif; font-weight: 700;
  margin-top: 28px; margin-bottom: 10px; letter-spacing: -.005em;
}
.page-text p {
  font-size: 16.5px; color: var(--ink); margin-bottom: 16px; line-height: 1.7;
}
.page-text strong { color: var(--navy-900); }
.page-text ul, .page-text ol { margin: 0 0 18px 22px; }
.page-text li { font-size: 16.5px; line-height: 1.65; margin-bottom: 6px; }
.page-text a { color: var(--navy-700); text-decoration: underline; }
.page-text a:hover { color: var(--navy-500); }
.page-text blockquote {
  border-left: 4px solid var(--yellow);
  padding: 4px 0 4px 20px; margin: 22px 0;
  font-style: italic; color: var(--ink-soft); font-size: 17.5px;
}
.page-text .credentials {
  background: var(--paper); border-radius: var(--radius); padding: 24px 28px;
  margin: 30px 0;
}
.page-text .credentials h3 { margin-top: 0; }
.page-text .credentials ul { margin-bottom: 0; }

/* FAQ accordion */
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.faq-item summary {
  cursor: pointer; list-style: none; padding-right: 30px; position: relative;
  font-weight: 600; font-size: 16.5px; color: var(--navy-900);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; position: absolute; right: 0; top: 0;
  font-size: 22px; font-weight: 400; color: var(--navy-700);
  transition: transform .2s;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item .faq-answer { padding-top: 12px; color: var(--ink-soft); line-height: 1.7; }
.faq-item .faq-answer p { margin-bottom: 10px; }

/* CTA strip no fim das páginas textuais */
.cta-strip {
  background: linear-gradient(135deg, var(--navy-700), var(--navy-800));
  color: white; padding: 56px 0; text-align: center;
}
.cta-strip h2 { color: white; font-size: clamp(26px, 3.4vw, 36px); margin-bottom: 12px; }
.cta-strip p { color: rgba(255,255,255,.86); margin-bottom: 24px; max-width: 56ch; margin-left: auto; margin-right: auto; }
.cta-strip .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Contato — formulário */
.form-contato {
  display: grid; gap: 16px; max-width: 560px; margin-top: 12px;
}
.form-contato label {
  display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; color: var(--navy-900);
}
.form-contato input, .form-contato textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line);
  border-radius: 10px; font-family: 'Inter', sans-serif; font-size: 15px;
  background: white; transition: border .15s;
}
.form-contato input:focus, .form-contato textarea:focus {
  outline: none; border-color: var(--navy-700);
}
.form-contato textarea { min-height: 120px; resize: vertical; }
.form-contato button {
  background: var(--navy-700); color: white; border: none;
  padding: 14px 28px; border-radius: 999px; font-weight: 700; font-size: 15px;
  cursor: pointer; transition: background .2s, transform .15s;
}
.form-contato button:hover { background: var(--navy-800); transform: translateY(-1px); }

/* =================================================================
   LP DE PRODUTO (V4 BIBLIOMAT — low-ticket)
   ================================================================= */

/* Hero do produto */
.lp-hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--navy-400) 0%, var(--navy-700) 50%, var(--navy-800) 100%);
  color: white; padding: 64px 0 56px;
}
.lp-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(255,204,0,.20), transparent 60%);
  pointer-events: none;
}
.lp-hero .container { position: relative; }
.lp-hero .breadcrumb { font-size: 13.5px; opacity: .78; margin-bottom: 22px; }
.lp-hero .breadcrumb a { color: white; text-decoration: none; }
.lp-hero .breadcrumb a:hover { text-decoration: underline; }
.lp-hero .breadcrumb .sep { margin: 0 8px; opacity: .6; }
.lp-hero-row {
  display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: center;
}
.lp-hero h1 {
  font-size: clamp(32px, 4.5vw, 46px); margin-bottom: 14px; line-height: 1.1;
}
.lp-hero h1 em { color: var(--yellow); font-style: normal; }
.lp-hero .pitch { font-size: clamp(16.5px, 2vw, 19px); opacity: .92; max-width: 50ch; margin-bottom: 20px; }
.lp-hero .meta-strip {
  display: flex; gap: 20px; flex-wrap: wrap;
  margin-bottom: 26px; font-size: 14px;
}
.lp-hero .meta-strip span {
  background: rgba(255,255,255,.10); padding: 6px 12px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
}
.lp-hero .price-block {
  display: flex; align-items: baseline; gap: 14px; margin-bottom: 20px;
}
.lp-hero .price-block .price {
  font-family: 'Fraunces', serif; font-size: 42px; font-weight: 700; color: var(--yellow);
}
.lp-hero .price-block .price-note { font-size: 14px; opacity: .85; }
.lp-hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.lp-hero .btn-buy {
  background: var(--green); color: white; padding: 16px 32px; font-size: 17px;
  border-radius: 999px; font-weight: 700; box-shadow: 0 8px 24px rgba(22,163,74,.35);
  transition: all .15s;
}
.lp-hero .btn-buy:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(22,163,74,.45); }
.lp-hero .product-thumb {
  aspect-ratio: 1 / 1; border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 130px; box-shadow: var(--shadow-lg);
  border: 4px solid rgba(255,255,255,.20);
}

@media (max-width: 860px) {
  .lp-hero-row { grid-template-columns: 1fr; gap: 36px; }
  .lp-hero .product-thumb { max-width: 280px; margin: 0 auto; font-size: 100px; }
}

/* Seção LP genérica */
.lp-block { padding: 60px 0; }
.lp-block.alt { background: var(--paper); }
.lp-block h2 {
  font-size: clamp(26px, 3.4vw, 34px); margin-bottom: 14px;
}
.lp-block .container.narrow { max-width: 800px; }

/* "O que tem dentro" — accordion */
.inside-list {
  background: white; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--line);
}
.inside-list li {
  list-style: none; padding: 14px 22px; border-bottom: 1px solid var(--line);
  display: flex; align-items: start; gap: 12px;
  font-size: 16px; line-height: 1.5;
}
.inside-list li:last-child { border-bottom: none; }
.inside-list li::before {
  content: '✓'; color: var(--green); font-weight: 700; font-size: 18px;
  flex-shrink: 0;
}

/* BNCC strip */
.bncc-strip {
  background: var(--paper); border-radius: var(--radius);
  padding: 22px 26px; margin-top: 22px;
}
.bncc-strip h3 {
  font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 700;
  color: var(--navy-700); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 10px;
}
.bncc-strip .codes { display: flex; gap: 8px; flex-wrap: wrap; }
.bncc-strip .codes span {
  background: white; border: 1.5px solid var(--navy-700); color: var(--navy-700);
  padding: 4px 12px; border-radius: 999px; font-size: 13.5px; font-weight: 600;
}

/* Quem fez (mini autor) */
.author-mini {
  display: grid; grid-template-columns: 120px 1fr; gap: 24px; align-items: center;
  background: white; border-radius: var(--radius-lg); padding: 24px 28px;
  box-shadow: var(--shadow-sm);
}
.author-mini .photo {
  width: 120px; height: 120px; border-radius: 50%;
  background-size: cover; background-position: center 40%;
  border: 4px solid var(--paper); box-shadow: var(--shadow-sm);
}
.author-mini h3 { font-size: 20px; margin-bottom: 6px; }
.author-mini p { color: var(--ink-soft); font-size: 14.5px; line-height: 1.55; margin-bottom: 8px; }
.author-mini a { color: var(--navy-700); font-weight: 600; text-decoration: underline; font-size: 14px; }

@media (max-width: 640px) {
  .author-mini { grid-template-columns: 1fr; text-align: center; }
  .author-mini .photo { margin: 0 auto; }
}

/* Bloco de preço final + garantia */
.price-final {
  background: white; border: 2px solid var(--navy-700); border-radius: var(--radius-lg);
  padding: 36px 32px; text-align: center; max-width: 560px; margin: 0 auto;
  box-shadow: var(--shadow-md);
}
.price-final .label { font-size: 14px; color: var(--ink-soft); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.price-final .price-big {
  font-family: 'Fraunces', serif; font-size: 52px; font-weight: 700; color: var(--navy-900);
  line-height: 1; margin-bottom: 6px;
}
.price-final .price-sub { font-size: 14px; color: var(--ink-soft); margin-bottom: 22px; }
.price-final .btn-buy-big {
  display: inline-block; background: var(--green); color: white;
  padding: 18px 40px; border-radius: 999px; font-weight: 700; font-size: 18px;
  text-decoration: none; transition: all .15s;
  box-shadow: 0 10px 30px rgba(22,163,74,.35);
}
.price-final .btn-buy-big:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 14px 36px rgba(22,163,74,.45); }
.price-final .guarantee { margin-top: 22px; font-size: 14px; color: var(--ink-soft); }
.price-final .guarantee strong { color: var(--navy-900); }

/* Sticky CTA mobile */
.sticky-cta-mobile {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 95;
  background: white; padding: 12px 16px;
  border-top: 1px solid var(--line);
  box-shadow: 0 -4px 16px rgba(15, 29, 53, .12);
}
.sticky-cta-mobile a {
  display: block; background: var(--green); color: white;
  text-align: center; padding: 14px; border-radius: 999px;
  font-weight: 700; font-size: 15px;
}
@media (max-width: 640px) {
  .sticky-cta-mobile { display: block; }
  body { padding-bottom: 80px; }
}

/* =================================================================
   COLETÂNEAS (kits curados)
   ================================================================= */
.colet-card {
  background: white; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease;
  display: flex; flex-direction: column;
}
.colet-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.colet-card .head {
  position: relative; aspect-ratio: 16 / 9;
  display: flex; align-items: center; justify-content: center;
  font-size: 80px; color: white;
}
.colet-card .head .discount {
  position: absolute; top: 14px; right: 14px;
  background: var(--yellow); color: var(--navy-900);
  padding: 6px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 700;
}
.colet-card .head .status-tag {
  position: absolute; top: 14px; left: 14px;
  background: rgba(255,255,255,.92); color: var(--navy-900);
  padding: 4px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
}
.colet-card .body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.colet-card .body h3 { font-family: 'Fraunces', serif; font-size: 22px; line-height: 1.15; margin-bottom: 8px; }
.colet-card .body .meta { font-size: 13px; color: var(--ink-soft); margin-bottom: 12px; }
.colet-card .body .pitch { font-size: 14.5px; line-height: 1.55; color: var(--ink); margin-bottom: 18px; }
.colet-card .body .price-row {
  display: flex; align-items: baseline; gap: 10px; margin-bottom: 14px;
}
.colet-card .body .price-row .new {
  font-family: 'Fraunces', serif; font-size: 26px; color: var(--navy-700); font-weight: 700;
}
.colet-card .body .price-row .old {
  font-size: 14px; color: var(--ink-soft); text-decoration: line-through;
}
.colet-card .body .cta {
  background: var(--green); color: white; text-align: center;
  padding: 12px; border-radius: 999px; font-weight: 700; font-size: 14.5px;
  margin-top: auto;
}
.colet-card .body .cta:hover { background: var(--green-dark); }
.colet-card .body .cta.coming {
  background: white; color: var(--navy-700); border: 2px solid var(--navy-700); cursor: default;
}

/* Página individual de coletânea */
.lp-colet-hero {
  background: linear-gradient(135deg, var(--navy-400), var(--navy-700));
  color: white; padding: 60px 0 56px; position: relative; overflow: hidden;
}
.lp-colet-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(255,204,0,.18), transparent 60%);
  pointer-events: none;
}
.lp-colet-hero .container { position: relative; max-width: 900px; }
.lp-colet-hero h1 { font-size: clamp(34px, 4.5vw, 46px); margin-bottom: 14px; }
.lp-colet-hero h1 em { color: var(--yellow); font-style: normal; }
.lp-colet-hero .pitch { font-size: clamp(16.5px, 2vw, 19px); opacity: .92; max-width: 60ch; margin-bottom: 20px; }
.lp-colet-hero .meta { font-size: 14px; opacity: .85; margin-bottom: 22px; }
.lp-colet-hero .price-row {
  display: flex; align-items: baseline; gap: 14px; margin-bottom: 24px;
  background: rgba(255,255,255,.08); padding: 18px 22px; border-radius: var(--radius);
  display: inline-flex;
}
.lp-colet-hero .price-row .new { font-family: 'Fraunces', serif; font-size: 38px; color: var(--yellow); font-weight: 700; }
.lp-colet-hero .price-row .old { font-size: 16px; opacity: .8; text-decoration: line-through; }
.lp-colet-hero .price-row .save { background: var(--yellow); color: var(--navy-900); padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 700; }

.colet-includes-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  margin-top: 22px;
}
.colet-mini-card {
  background: white; border-radius: var(--radius); padding: 18px;
  border: 1px solid var(--line);
  display: flex; gap: 12px; align-items: center;
}
.colet-mini-card .emoji { font-size: 32px; }
.colet-mini-card .info h4 { font-family: 'Inter', sans-serif; font-size: 14.5px; font-weight: 700; margin-bottom: 4px; }
.colet-mini-card .info .meta { font-size: 12.5px; color: var(--ink-soft); }

.colet-sequence {
  background: var(--paper); border-radius: var(--radius-lg); padding: 28px 30px;
  margin-top: 22px;
}
.colet-sequence ol { margin-left: 20px; }
.colet-sequence li { padding: 8px 0; font-size: 16px; line-height: 1.55; }

/* Aviso de modelo legal */
.legal-notice {
  background: #FFF5E5; border-left: 4px solid var(--yellow-dark);
  padding: 14px 18px; border-radius: 8px; margin-bottom: 30px;
  font-size: 14px; color: var(--ink);
}

/* =================================================================
   FOOTER
   ================================================================= */
.site-footer {
  background: var(--navy-900); color: rgba(255,255,255,.85);
  padding: 56px 0 28px; margin-top: 64px;
}
.site-footer .grid {
  display: grid; gap: 32px;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
}
.site-footer h4 {
  font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 700;
  color: white; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px;
}
.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: 8px; font-size: 14.5px; }
.site-footer ul li a { color: rgba(255,255,255,.78); transition: color .15s; }
.site-footer ul li a:hover { color: var(--yellow); }
.site-footer .brand-block { max-width: 320px; }
.site-footer .brand-block p { font-size: 14px; color: rgba(255,255,255,.7); margin-top: 12px; }
.site-footer .socials { display: flex; gap: 10px; margin-top: 14px; }
.site-footer .socials a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.08); display: inline-flex; align-items: center; justify-content: center;
  font-size: 16px; transition: background .2s;
}
.site-footer .socials a:hover { background: var(--yellow); color: var(--navy-900); }
.site-footer .legal {
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 40px; padding-top: 22px; font-size: 13px; color: rgba(255,255,255,.55);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
@media (max-width: 860px) {
  .site-footer .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .site-footer .grid { grid-template-columns: 1fr; }
}

/* =================================================================
   UTILITIES
   ================================================================= */
[hidden] { display: none !important; }
.is-hidden-init { display: none; }


/* === FILTER BAR === */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  justify-content: center;
}
.filter-btn {
  padding: 0.45rem 1.1rem;
  border: 1.5px solid rgba(255,255,255,0.18);
  border-radius: 2rem;
  background: rgba(255,255,255,0.06);
  color: #ccc;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.filter-btn:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}
.filter-btn.active {
  background: linear-gradient(135deg, #f39c12, #e67e22);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(243,156,18,0.3);
}
@media (max-width: 600px) {
  .filter-btn {
    padding: 0.35rem 0.85rem;
    font-size: 0.78rem;
  }
}