/* ==========================================================================
   DCosta Mineração — Sistema de Tokens e Estilos
   ========================================================================== */

@font-face {
  font-family: 'Big Shoulders Display';
  src: url('fonts/BigShouldersDisplay-Variable.woff2') format('woff2');
  font-weight: 700 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Manrope';
  src: url('fonts/Manrope-Variable.woff2') format('woff2');
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Cor — canvas e superfícies (tema claro) */
  --bg-canvas: #fafaf7;
  --bg-surface: #ffffff;
  --bg-alt: #f0f1e9;
  --border: #e4e4dc;

  /* Cor — âncoras escuras (Prova Social e CTA Final) */
  --bg-dark: #222222;
  --bg-black: #000000;
  --bg-dark-elevated: #2a2a27;

  /* Cor — texto */
  --ink-900: #1e1e1c;
  --ink-600: #55554f;
  --ink-400: #656560;
  --ink-on-dark: #f2f2ee;
  --ink-on-dark-dim: #b8b8b0;
  --ink-on-lime: #182005;
  --ink-on-gold: #1a1408;

  /* Cor — marca */
  --lime-fill: #afce3e;
  --lime-fill-hover: #9fbc35;
  --lime-ink: #5c7518;
  --gold: #b08d57;
  --gold-ink: #7d6038;
  --gold-soft: #f5eddc;
  --gold-border: #e6d5b3;
  --border-placeholder: #c9c9bd;
  --border-placeholder-dark: #4a4a44;

  /* Cor — semânticas */
  --erro: #b3261e;

  /* Tipografia */
  --font-display: 'Big Shoulders Display', 'Arial Narrow', sans-serif;
  --font-body: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Espaçamento */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 16px;
  --sp-4: 24px;
  --sp-5: 32px;
  --sp-6: 48px;
  --sp-7: 64px;
  --sp-8: 96px;

  /* Bordas */
  --raio-sm: 4px;
  --raio-md: 10px;

  /* Sombras */
  --sombra-sm: 0 1px 3px rgba(30, 30, 28, 0.08);
  --sombra-md: 0 8px 24px rgba(30, 30, 28, 0.12);

  /* Movimento */
  --dur-rapida: 150ms;
  --dur-padrao: 300ms;
  --easing: ease-out;
}

/* ==========================================================================
   Reset e Base
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--bg-canvas);
  color: var(--ink-600);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  margin: 0;
  text-wrap: balance;
  line-height: 1.08;
}

.on-dark h1, .on-dark h2, .on-dark h3 { color: var(--ink-on-dark); }

h2, h3 { margin-bottom: var(--sp-3); }
strong, b { color: var(--ink-900); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

p { margin: 0 0 var(--sp-3); }
p:last-child { margin-bottom: 0; }

a { color: inherit; }

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--sp-4);
}

/* Foco de teclado visível em todo elemento interativo */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--gold-ink);
  outline-offset: 2px;
  border-radius: var(--raio-sm);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--gold-ink);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--gold);
  display: inline-block;
  flex-shrink: 0;
}
.on-dark .eyebrow { color: var(--lime-fill); }
.on-dark .eyebrow::before { background: var(--lime-fill); }

/* ==========================================================================
   Botão CTA
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--lime-fill);
  color: var(--ink-on-lime);
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1rem;
  padding: 16px 30px;
  border-radius: var(--raio-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--lime-ink);
  transition: transform var(--dur-rapida) var(--easing), box-shadow var(--dur-rapida) var(--easing), background var(--dur-rapida) var(--easing);
}
.btn:hover { background: var(--lime-fill-hover); transform: translateY(-2px); box-shadow: 0 6px 0 var(--lime-ink); }
.btn:active { transform: translateY(1px); box-shadow: 0 2px 0 var(--lime-ink); }
.btn svg { width: 20px; height: 20px; flex-shrink: 0; }

.micro {
  font-size: 0.85rem;
  color: var(--ink-400);
  margin-top: var(--sp-2);
}
.on-dark .micro { color: var(--ink-on-dark-dim); }

/* ==========================================================================
   Divisor "linha de fratura" — elemento de assinatura
   ========================================================================== */

.fracture {
  width: 100%;
  height: 14px;
  background-repeat: repeat-x;
  background-size: 56px 14px;
  background-position: center;
}
.fracture--onlight {
  background-color: var(--bg-canvas);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='14'%3E%3Cpolyline points='0,14 7,4 14,12 21,2 28,10 35,3 42,13 49,5 56,14' fill='none' stroke='%23b08d57' stroke-width='2'/%3E%3C/svg%3E");
}
.fracture--ondark {
  background-color: var(--bg-dark);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='14'%3E%3Cpolyline points='0,14 7,4 14,12 21,2 28,10 35,3 42,13 49,5 56,14' fill='none' stroke='%23afce3e' stroke-width='2'/%3E%3C/svg%3E");
}

/* ==========================================================================
   Espaço visual (placeholder para composição da Etapa 6)
   ========================================================================== */

.espaco-visual {
  border: 1.5px dashed var(--border-placeholder);
  border-radius: var(--raio-md);
  background: repeating-linear-gradient(135deg, rgba(30, 30, 28, 0.025) 0 10px, rgba(30, 30, 28, 0.008) 10px 20px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--ink-400);
  font-size: 0.8rem;
  padding: var(--sp-4);
  min-height: 220px;
}
.on-dark .espaco-visual {
  border-color: var(--border-placeholder-dark);
  background: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.035) 0 10px, rgba(255, 255, 255, 0.012) 10px 20px);
  color: var(--ink-on-dark-dim);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  background: var(--bg-surface);
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}
.site-header .logo img { height: 40px; width: auto; }
.site-nav { display: flex; gap: var(--sp-5); }
.site-nav a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-600);
  text-decoration: none;
  transition: color var(--dur-rapida) var(--easing);
}
.site-nav a:hover { color: var(--lime-ink); }
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1.5px solid var(--lime-ink);
  color: var(--lime-ink);
  padding: 10px 20px;
  border-radius: var(--raio-sm);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background var(--dur-rapida) var(--easing), color var(--dur-rapida) var(--easing);
  white-space: nowrap;
}
.header-cta:hover { background: var(--lime-fill); border-color: var(--lime-fill); color: var(--ink-on-lime); }

/* ==========================================================================
   Hero — BLOCO 1
   ========================================================================== */

.hero {
  background: var(--bg-surface);
  padding: var(--sp-7) 0 var(--sp-6);
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--sp-6);
  align-items: center;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.75rem);
  margin: var(--sp-3) 0 var(--sp-4);
}
.hero .sub {
  font-size: 1.08rem;
  color: var(--ink-600);
  max-width: 48ch;
  margin-bottom: var(--sp-4);
}
.hero .hero-visual { min-height: 340px; border-radius: var(--raio-md); overflow: hidden; box-shadow: var(--sombra-md); }
.hero .hero-visual img { width: 100%; height: 100%; object-fit: cover; }

/* ==========================================================================
   Blocos genéricos
   ========================================================================== */

.bloco { padding: var(--sp-7) 0; }
.bloco.alt { background: var(--bg-alt); }
.bloco.dark { background: var(--bg-dark); }
.bloco.black { background: var(--bg-black); }
.bloco .heading { max-width: 640px; margin-bottom: var(--sp-5); }
.bloco h2 { font-size: clamp(1.65rem, 4vw, 2.25rem); margin-top: 12px; }
.bloco .heading.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Abertura — BLOCO 2 */
.abertura-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-6);
  align-items: center;
  max-width: 980px;
}
.abertura-texto { max-width: 60ch; text-align: left; }
.abertura-texto p:first-of-type { font-size: 1.1rem; color: var(--ink-900); font-weight: 600; }

.destaque-tempo {
  background: var(--gold-soft);
  border: 1px solid var(--gold-border);
  border-radius: var(--raio-md);
  padding: var(--sp-5);
  text-align: center;
  min-width: 220px;
  flex-shrink: 0;
}
.destaque-tempo .numero {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3rem, 6vw, 4.5rem);
  line-height: 1;
  color: var(--gold-ink);
}
.destaque-tempo .legenda {
  display: block;
  margin-top: var(--sp-3);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-900);
  max-width: 22ch;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 760px) {
  .abertura-grid { grid-template-columns: 1fr; }
  .destaque-tempo { max-width: 320px; margin: 0 auto; }
}

/* Identificação da Dor — BLOCO 3 */
.dor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}
.dor-card {
  background: var(--bg-surface);
  border-radius: var(--raio-md);
  padding: var(--sp-4);
  border-left: 3px solid var(--gold);
  box-shadow: var(--sombra-sm);
}
.dor-icon { display: block; width: 32px; height: 32px; margin-bottom: var(--sp-2); }
.dor-card b { display: block; color: var(--ink-900); font-size: 1rem; margin-bottom: 4px; }
.dor-card p { font-size: 0.92rem; margin: 0; max-width: 42ch; }

/* CTA intermediário (Dor e Prova Social) */
.bloco-cta {
  text-align: center;
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
}
.on-dark .bloco-cta { border-top-color: rgba(255, 255, 255, 0.12); }

/* Solução — BLOCO 4 */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
  align-items: center;
}
.secao-imagem { border-radius: var(--raio-md); overflow: hidden; box-shadow: var(--sombra-md); }
.secao-imagem img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Blocos e Materiais — BLOCO 4.5 */
.materiais-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.material-card img {
  aspect-ratio: 1 / 1;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--raio-md);
  margin-bottom: var(--sp-2);
  box-shadow: var(--sombra-sm);
}
.material-card b {
  display: block;
  color: var(--ink-900);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.02rem;
}
.material-card span { display: block; color: var(--ink-400); font-size: 0.85rem; margin-top: 2px; }
.materiais-nota { font-size: 0.85rem; color: var(--ink-400); margin-top: var(--sp-4); max-width: 640px; }

/* Benefícios — BLOCO 5 (bento) */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(150px, auto);
  gap: var(--sp-3);
}
.bento .card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--raio-md);
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  transition: box-shadow var(--dur-padrao) var(--easing);
}
.bento .card:hover { box-shadow: var(--sombra-md); }
.bento .card .ben-icon { width: 30px; height: 30px; flex-shrink: 0; margin-bottom: var(--sp-2); }
.bento .card b { color: var(--lime-ink); font-size: 0.75rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; }
.bento .card span { color: var(--ink-900); font-size: 0.98rem; font-weight: 700; margin-top: 6px; max-width: 38ch; }
.bento .c1 { grid-column: span 3; grid-row: span 2; }
.bento .c2 { grid-column: span 3; }
.bento .c3 { grid-column: span 3; }
.bento .c4 { grid-column: span 2; }
.bento .c5 { grid-column: span 2; }
.bento .c6 { grid-column: span 2; }

/* Prova Social — BLOCO 6 (âncora escura) */
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
}
.testi {
  background: var(--bg-dark-elevated);
  border-radius: var(--raio-md);
  padding: var(--sp-4);
  font-size: 0.9rem;
  color: var(--ink-on-dark);
}
.testi .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--ink-on-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.78rem;
  margin-bottom: var(--sp-2);
}
/* Oferta — BLOCO 7 */
.oferta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
}
.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li {
  padding: var(--sp-2) 0 var(--sp-2) 30px;
  position: relative;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
  color: var(--ink-600);
}
.checklist li:last-child { border-bottom: none; }
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--lime-ink);
  font-weight: 800;
}
.steps {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--raio-md);
  padding: var(--sp-5);
}
.steps h3 { font-size: 1rem; margin-top: 0; margin-bottom: var(--sp-4); }
.step { display: flex; gap: var(--sp-3); margin-bottom: var(--sp-4); }
.step:last-child { margin-bottom: 0; }
.step .n {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--lime-fill);
  color: var(--ink-on-lime);
  font-weight: 800;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step p { font-size: 0.92rem; color: var(--ink-600); margin: 0; }
.step strong { display: block; margin-bottom: 2px; }

/* Accordion — Objeções (BLOCO 8) e FAQ (BLOCO 10) */
.accordion { max-width: 68ch; }
.accordion--center { margin: 0 auto; }
.link-destaque { color: var(--lime-ink); font-weight: 700; }
.accordion-item p { max-width: 68ch; }
.accordion-item {
  border-bottom: 1px solid var(--border);
  padding: var(--sp-3) 0;
}
.accordion-item summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink-900);
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-3);
}
.accordion-item summary::-webkit-details-marker { display: none; }
.accordion-item summary h3 {
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: none;
  letter-spacing: normal;
  font-size: 1rem;
  color: inherit;
  margin: 0;
}
.accordion-item summary::after {
  content: "+";
  color: var(--gold-ink);
  font-size: 1.3rem;
  font-weight: 400;
  flex-shrink: 0;
  transition: transform var(--dur-padrao) var(--easing);
}
.accordion-item[open] summary::after { transform: rotate(45deg); }
.accordion-item p {
  font-size: 0.92rem;
  margin: var(--sp-2) 0 0;
  color: var(--ink-600);
}
.placeholder-text { color: var(--gold-ink); font-style: italic; }
.accordion-item p.placeholder-text { color: var(--gold-ink); }
.on-dark .placeholder-text { color: var(--gold); }

/* Garantia — BLOCO 9 */
.garantia {
  background: var(--gold-soft);
  border: 1px solid var(--gold-border);
  border-radius: var(--raio-md);
  padding: var(--sp-5) var(--sp-6);
  display: flex;
  gap: var(--sp-5);
  align-items: center;
}
.garantia .badge {
  position: relative;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--ink-on-gold);
  font-size: 1.7rem;
  background: var(--gold);
  animation: selo-brilho 2.6s ease-in-out infinite;
}
.garantia .badge::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  animation: selo-ping 2.6s ease-out infinite;
}
@keyframes selo-brilho {
  0%, 100% { box-shadow: 0 0 0 0 rgba(176, 141, 87, 0.45), 0 0 10px 0 rgba(176, 141, 87, 0.25); }
  50% { box-shadow: 0 0 0 6px rgba(176, 141, 87, 0), 0 0 18px 4px rgba(176, 141, 87, 0.4); }
}
@keyframes selo-ping {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.35); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .garantia .badge { animation: none; }
  .garantia .badge::before { display: none; }
}
.garantia p { color: var(--ink-900); font-size: 1rem; margin-top: var(--sp-2); }

/* CTA Final — BLOCO 11 (âncora escura) */
.cta-final {
  background: var(--bg-black);
  text-align: center;
  padding: var(--sp-8) 0;
  position: relative;
}
.cta-final h2 {
  font-size: clamp(1.65rem, 4vw, 2.25rem);
  max-width: 780px;
  margin: 0 auto var(--sp-4);
}
.cta-final .eyebrow { justify-content: center; margin-bottom: var(--sp-3); }
.cta-final p {
  color: var(--ink-on-dark-dim);
  max-width: 560px;
  margin: 0 auto var(--sp-4);
  font-size: 1rem;
}

/* Rodapé — BLOCO 12 */
.site-footer {
  background: var(--bg-surface);
  padding: var(--sp-6) 0 var(--sp-5);
  border-top: 1px solid var(--border);
}
.foot-desc { color: var(--ink-400); font-size: 0.85rem; }
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--sp-6);
  font-size: 0.9rem;
}
.foot-grid img { height: 32px; width: auto; margin-bottom: var(--sp-2); }
.foot-grid b {
  color: var(--ink-900);
  display: block;
  margin-bottom: var(--sp-2);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.foot-grid address { font-style: normal; color: var(--ink-400); }
.foot-grid a { text-decoration: none; }
.foot-grid a:hover { color: var(--lime-ink); }

/* ==========================================================================
   Scroll reveal — único momento de movimento orquestrado
   ========================================================================== */

.reveal { opacity: 0; transform: translateY(16px); transition: opacity var(--dur-padrao) var(--easing), transform var(--dur-padrao) var(--easing); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ==========================================================================
   Responsivo
   ========================================================================== */

@media (max-width: 960px) {
  .bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: auto; }
  .bento .c1, .bento .c2, .bento .c3, .bento .c4, .bento .c5, .bento .c6 { grid-column: span 2; }
  .materiais-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .site-nav { display: none; }
  .hero .wrap, .split, .oferta { grid-template-columns: 1fr; }
  .hero .hero-visual { order: 2; min-height: 260px; }
  .dor-grid { grid-template-columns: 1fr; }
  .testi-grid, .foot-grid { grid-template-columns: 1fr; }
  .garantia { flex-direction: column; text-align: center; padding: var(--sp-5) var(--sp-4); }
  .wrap { padding: 0 var(--sp-3); }
}

@media (max-width: 520px) {
  .materiais-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-2); }
}

/* ==========================================================================
   Página de Obrigado (obrigado.html)
   ========================================================================== */

.obrigado-tela {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-canvas);
  padding: var(--sp-4);
}
.obrigado-card {
  max-width: 460px;
  text-align: center;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--raio-md);
  padding: var(--sp-6) var(--sp-5);
  box-shadow: var(--sombra-md);
}
.obrigado-card img { height: 40px; width: auto; margin: 0 auto var(--sp-4); }
.obrigado-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--lime-fill);
  color: var(--ink-on-lime);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-4);
  font-size: 1.6rem;
}
.obrigado-card h1 {
  font-size: 1.5rem;
  margin-bottom: var(--sp-2);
}
.obrigado-card p { color: var(--ink-600); font-size: 0.95rem; margin-bottom: var(--sp-4); }