/* ============================================================
   RIVIERA METAIS — ESTILOS
   Tema: luxo escuro, prata metálica + champanhe
   ============================================================ */

:root {
  --bg: #0b0b0e;
  --bg-alt: #101014;
  --surface: #16161c;
  --line: rgba(215, 215, 228, 0.10);
  --text: #e9e9ee;
  --text-dim: #9d9daa;
  --silver: #d7d7e2;
  --silver-deep: #8b8b99;
  --champagne: #d4b06a;
  --champagne-soft: rgba(212, 176, 106, 0.14);
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Outfit", -apple-system, sans-serif;
  --metal-grad: linear-gradient(115deg, #f4f4f8 0%, #b9b9c8 28%, #eeeef4 50%, #84848f 74%, #d9d9e4 100%);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--champagne); color: #14100a; }

/* ---------- Textura de grão ---------- */
.grain {
  position: fixed; inset: -100%;
  pointer-events: none; z-index: 60; opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
  animation: grain 9s steps(6) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0); }
  20% { transform: translate(-4%,3%); }
  40% { transform: translate(3%,-4%); }
  60% { transform: translate(-3%,-2%); }
  80% { transform: translate(4%,2%); }
}

/* ---------- Barra de progresso ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0;
  background: linear-gradient(90deg, var(--champagne), var(--silver));
  z-index: 100;
}

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(11, 11, 14, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 1.1rem 2rem;
  display: flex; align-items: center; gap: 2.5rem;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.7rem;
  text-decoration: none; color: var(--text); margin-right: auto;
}
/* Logotipo Riviera — moldura dourada + wordmark serifado */
.logo-riviera {
  display: inline-flex; flex-direction: column; align-items: center;
  gap: 0.35em;
}
.logo-frame {
  border: 1px solid rgba(212, 176, 106, 0.75);
  padding: 0.3em 0.65em 0.22em; line-height: 1;
}
.logo-word {
  font-family: var(--serif); font-weight: 600;
  font-size: 1.35rem; letter-spacing: 0.1em; line-height: 1;
  text-transform: uppercase;
  background: linear-gradient(160deg, #eed3a0 0%, #c89b4e 55%, #e8c98d 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  display: inline-block;
}
.logo-word i { font-style: normal; font-size: 1.32em; }
.logo-metais {
  font-family: var(--sans); font-weight: 400;
  font-size: 0.52rem; letter-spacing: 0.6em; margin-right: -0.6em;
  text-transform: uppercase; color: var(--champagne);
}
.logo-riviera-lg .logo-word { font-size: 2.1rem; }
.logo-riviera-lg .logo-metais { font-size: 0.72rem; }
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  color: var(--text-dim); text-decoration: none; font-size: 0.85rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  transition: color 0.3s;
  position: relative;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 100%; height: 1px; background: var(--champagne);
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta {
  font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: #14100a; background: var(--champagne); text-decoration: none;
  padding: 0.6rem 1.3rem; transition: background 0.3s, transform 0.3s;
}
.nav-cta:hover { background: #e5c583; transform: translateY(-1px); }
.nav-burger { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; padding: 11px 10px; }
.nav-burger span { width: 22px; height: 1.5px; background: var(--text); transition: 0.3s; display: block; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.95rem 2.2rem; text-decoration: none;
  font-size: 0.85rem; letter-spacing: 0.14em; text-transform: uppercase;
  transition: transform 0.35s var(--ease), background 0.3s, color 0.3s, border-color 0.3s;
}
.btn-solid { background: var(--champagne); color: #14100a; }
.btn-solid:hover { background: #e5c583; transform: translateY(-2px); }
.btn-ghost { border: 1px solid var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--champagne); color: var(--champagne); transform: translateY(-2px); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh; min-height: 100svh; position: relative;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; text-align: center;
}
.hero-glow {
  position: absolute; top: -30%; left: 50%; transform: translateX(-50%);
  width: 120vw; height: 90vh; pointer-events: none;
  background: radial-gradient(ellipse at center,
    rgba(212, 176, 106, 0.10) 0%,
    rgba(215, 215, 226, 0.05) 35%,
    transparent 70%);
}
.hero-bar {
  position: absolute; width: 1px; height: 40vh; pointer-events: none;
  background: linear-gradient(to bottom, transparent, rgba(212,176,106,0.5), transparent);
}
.hero-bar-1 { left: 12%; top: 10%; }
.hero-bar-2 { right: 14%; bottom: 8%; height: 50vh; }
.hero-inner { max-width: 880px; padding: 8rem 2rem 4rem; position: relative; }
.hero-selo {
  display: inline-block; font-size: 0.78rem; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--champagne);
  border: 1px solid rgba(212, 176, 106, 0.35); padding: 0.5rem 1.2rem;
  margin-bottom: 2.2rem; background: var(--champagne-soft);
}
.hero-title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  line-height: 1.16; letter-spacing: -0.01em;
  padding-bottom: 0.12em;
  background: var(--metal-grad);
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: shine 7s linear infinite;
  margin-bottom: 1.8rem;
}
@keyframes shine { to { background-position: 200% center; } }
.hero-sub {
  color: var(--text-dim); font-size: 1.08rem; max-width: 620px;
  margin: 0 auto 2.8rem;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-fineness {
  position: absolute; right: 4vw; bottom: 10vh;
  display: flex; flex-direction: column; align-items: flex-end;
  pointer-events: none;
}
.fineness-number {
  font-family: var(--serif); font-size: clamp(5rem, 12vw, 10rem);
  font-weight: 400; line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1px rgba(215, 215, 226, 0.22);
}
.fineness-label {
  font-size: 0.72rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--text-dim); margin-top: 0.6rem;
}
.hero-scroll-hint {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
}
.scroll-line {
  display: block; width: 1px; height: 56px;
  background: linear-gradient(to bottom, var(--champagne), transparent);
  animation: dropline 2.2s var(--ease) infinite;
}
@keyframes dropline {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- Seções ---------- */
.section { padding: 8rem 2rem; position: relative; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-inner { max-width: 1200px; margin: 0 auto; }
.etiqueta {
  font-size: 0.76rem; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--champagne); margin-bottom: 1.2rem;
}
.etiqueta::before { content: "— "; }
.section-title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2rem, 4.5vw, 3.4rem); line-height: 1.15;
  margin-bottom: 1.6rem; max-width: 620px;
}
.section-sub { color: var(--text-dim); max-width: 560px; margin-bottom: 2.5rem; }

/* ---------- Split (texto + destaque) ---------- */
.split { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 5rem; align-items: center; }
.paragrafos p { color: var(--text-dim); margin-bottom: 1.4rem; max-width: 560px; }
.paragrafos p strong, .paragrafos p b { color: var(--text); font-weight: 500; }

.split-stats { display: flex; flex-direction: column; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.stat {
  background: var(--surface); padding: 2.2rem 2.4rem;
  display: flex; align-items: baseline; gap: 1.2rem;
}
.stat-num {
  font-family: var(--serif); font-size: 3rem; font-weight: 500; line-height: 1;
  background: var(--metal-grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  min-width: 120px; text-align: right; font-variant-numeric: tabular-nums;
}
.stat-suf { color: var(--champagne); font-family: var(--serif); font-size: 1.6rem; margin-left: -0.8rem; }
.stat-leg { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Cards de pureza ---------- */
.cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); margin-top: 3rem;
}
.card {
  background: var(--bg-alt); padding: 2.6rem 2rem;
  position: relative; overflow: hidden;
  transition: background 0.4s;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, var(--champagne), transparent);
  transform: scaleX(0); transform-origin: left; transition: transform 0.6s var(--ease);
}
.card:hover { background: var(--surface); }
.card:hover::before { transform: scaleX(1); }
.card-index {
  font-family: var(--serif); font-size: 0.9rem; color: var(--champagne);
  letter-spacing: 0.1em; display: block; margin-bottom: 1.4rem;
}
.card h3 {
  font-family: var(--serif); font-size: 1.45rem; font-weight: 500;
  margin-bottom: 0.8rem;
}
.card p { color: var(--text-dim); font-size: 0.92rem; }

/* ---------- Nossos metais ---------- */
.metais-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 3rem;
}
.metal-card {
  border: 1px solid var(--line); background: var(--surface);
  padding: 3rem 2.6rem; position: relative; overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s;
}
.metal-card:hover { transform: translateY(-4px); }
.metal-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
}
.metal-card-ouro::before { background: linear-gradient(90deg, #d4b06a, #f0d9a8, #b8923f); }
.metal-card-prata::before { background: linear-gradient(90deg, #9a9aa5, #eeeef4, #7c7c88); }
.metal-card-ouro:hover { border-color: rgba(212, 176, 106, 0.4); }
.metal-card-prata:hover { border-color: rgba(215, 215, 226, 0.35); }
.metal-selo {
  position: absolute; top: 1.6rem; right: 2rem;
  font-family: var(--serif); font-size: 3.2rem; font-weight: 400; line-height: 1;
  color: transparent;
}
.metal-card-ouro .metal-selo { -webkit-text-stroke: 1px rgba(212, 176, 106, 0.5); }
.metal-card-prata .metal-selo { -webkit-text-stroke: 1px rgba(215, 215, 226, 0.35); }
.metal-card h3 {
  font-family: var(--serif); font-size: 2rem; font-weight: 500; margin-bottom: 1.6rem;
}
.metal-card-ouro h3 { color: var(--champagne); }
.metal-card-prata h3 {
  background: var(--metal-grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.metal-card ul { list-style: none; }
.metal-card li {
  color: var(--text-dim); font-size: 0.95rem; padding: 0.55rem 0 0.55rem 1.6rem;
  position: relative; border-bottom: 1px solid var(--line);
}
.metal-card li:last-child { border-bottom: 0; }
.metal-card li::before {
  content: "✓"; position: absolute; left: 0; color: var(--champagne);
  font-size: 0.85rem;
}
.metal-card-prata li::before { color: var(--silver); }

/* ---------- Onde entregamos ---------- */
#entrega .section-title {
  max-width: none; white-space: nowrap;
  font-size: clamp(1rem, 4.6vw, 3.4rem);
}
.entrega-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--line); border: 1px solid var(--line); margin-top: 3rem;
}
.entrega-card { background: var(--surface); padding: 3rem 2.6rem; }
.entrega-card h3 {
  font-family: var(--serif); font-size: 1.7rem; font-weight: 500;
  margin-bottom: 1rem; line-height: 1.25;
}
.entrega-card h3 em { font-style: normal; color: var(--champagne); display: block; }
.entrega-card p { color: var(--text-dim); font-size: 0.95rem; max-width: 420px; }

/* ---------- Setores ---------- */
.setores-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); margin-top: 3rem;
}
.setor {
  background: var(--bg-alt); padding: 2.2rem 1.6rem; text-align: center;
  transition: background 0.4s;
}
.setor:hover { background: var(--surface); }
.setor h3 {
  font-family: var(--serif); font-size: 1.25rem; font-weight: 500;
  color: var(--champagne); margin-bottom: 0.6rem;
}
.setor p { color: var(--text-dim); font-size: 0.85rem; }

/* ---------- Vender seu metal ---------- */
.vender-infos {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); margin: 3rem 0;
}
.vender-info { background: var(--surface); padding: 2rem 1.8rem; }
.vender-info h3 {
  font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--champagne); font-weight: 500; margin-bottom: 0.8rem;
}
.vender-info p { color: var(--text-dim); font-size: 0.9rem; }

.passos-vender { margin-bottom: 4rem; }

.simulacao { border: 1px solid var(--line); background: var(--surface); padding: 2.5rem; position: relative; }
.simulacao::after {
  content: "simulação"; position: absolute; top: -1px; right: -1px;
  font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: #14100a; background: var(--champagne); padding: 0.35rem 0.9rem;
}
.simulacao-cabecalho h3 {
  font-family: var(--serif); font-size: 1.6rem; font-weight: 500; margin-bottom: 0.4rem;
}
.simulacao-cabecalho p { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 1.8rem; }
.simulacao-scroll { overflow-x: auto; }
.simulacao-tabela { width: 100%; border-collapse: collapse; min-width: 640px; }
.simulacao-tabela th {
  text-align: left; font-weight: 500; font-size: 0.72rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-dim);
  padding: 0 1rem 0.9rem 0; border-bottom: 1px solid var(--line); white-space: nowrap;
}
.simulacao-tabela td {
  padding: 0.95rem 1rem 0.95rem 0; border-bottom: 1px solid var(--line);
  color: var(--text-dim); font-size: 0.92rem; font-variant-numeric: tabular-nums;
}
.simulacao-tabela tr:last-child td { border-bottom: 0; }
.simulacao-tabela .sim-quilate { font-family: var(--serif); font-size: 1.1rem; color: var(--text); white-space: nowrap; }
.simulacao-tabela .sim-liquido { color: var(--champagne); font-weight: 400; white-space: nowrap; }
.simulacao-avisos { margin-top: 1.4rem; }
.simulacao-avisos p { font-size: 0.76rem; color: var(--text-dim); margin-bottom: 0.3rem; }

/* ---------- Processo ---------- */
.passos {
  list-style: none; counter-reset: passo;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem; margin-top: 3.5rem;
}
.passo { counter-increment: passo; position: relative; padding-top: 2rem; }
.passo::before {
  content: "0" counter(passo);
  font-family: var(--serif); font-size: 3.4rem; font-weight: 400; line-height: 1;
  position: absolute; top: -0.6rem; left: 0;
  color: transparent; -webkit-text-stroke: 1px rgba(212, 176, 106, 0.45);
}
.passo::after {
  content: ""; position: absolute; top: 1.2rem; left: 4.5rem; right: 0; height: 1px;
  background: var(--line);
}
.passo:last-child::after { display: none; }
.passo h3 {
  font-family: var(--serif); font-size: 1.4rem; font-weight: 500;
  margin: 1.6rem 0 0.6rem;
}
.passo p { color: var(--text-dim); font-size: 0.92rem; }

/* ---------- Faixa de contato (seção Comprar) ---------- */
.cta-faixa {
  margin-top: 4rem; border: 1px solid rgba(212, 176, 106, 0.3);
  background: linear-gradient(120deg, var(--champagne-soft), transparent 60%), var(--surface);
  padding: 2.4rem 2.6rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
}
.cta-faixa-texto h3 {
  font-family: var(--serif); font-size: 1.7rem; font-weight: 500;
  margin-bottom: 0.4rem;
}
.cta-faixa-texto p { color: var(--text-dim); font-size: 0.95rem; }
.cta-faixa-acao { display: flex; flex-direction: column; align-items: center; gap: 0.6rem; }
.cta-faixa-numero {
  color: var(--champagne); font-size: 0.9rem; letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
}

/* ---------- Contato ---------- */
.contato { overflow: hidden; }
.contato-glow {
  position: absolute; bottom: -40%; left: 50%; transform: translateX(-50%);
  width: 100vw; height: 80vh; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(212,176,106,0.09), transparent 65%);
}
.contato-inner { text-align: center; position: relative; }
.contato .etiqueta::before { content: ""; }
.contato-title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.16; padding-bottom: 0.12em;
  background: var(--metal-grad); background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: shine 7s linear infinite;
  margin-bottom: 1.4rem;
}
.contato .section-sub { margin: 0 auto 3rem; }
.contato-dados { display: flex; flex-direction: column; align-items: center; gap: 2.5rem; }
.btn-whats { font-size: 0.9rem; padding: 1.1rem 2.6rem; }
.contato-lista {
  display: flex; gap: 3rem; flex-wrap: wrap; justify-content: center;
  color: var(--text-dim); font-size: 0.95rem;
}
.contato-lista p { display: flex; flex-direction: column; gap: 0.2rem; }
.contato-rotulo {
  font-size: 0.7rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--champagne);
}

/* ---------- Rodapé ---------- */
.rodape { border-top: 1px solid var(--line); padding: 3.5rem 2rem; }
.rodape-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 1.4rem;
}
.rodape .logo-riviera { margin-bottom: 1.2rem; }
.rodape-texto { color: var(--text-dim); font-size: 0.9rem; max-width: 480px; }
.rodape-aviso { color: #6b6b78; font-size: 0.75rem; max-width: 560px; }
.rodape-copy { color: #6b6b78; font-size: 0.78rem; letter-spacing: 0.06em; }

/* ---------- Reveals de scroll ---------- */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--d, 0s);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .grain, .hero-title, .contato-title, .scroll-line { animation: none; }
}

/* ============================================================
   RESPONSIVO
   Faixas: ≤1080 (tablet paisagem) · ≤900 (menu mobile / tablet
   retrato) · ≤640 (celular) · ≤400 (celular pequeno) ·
   paisagem baixa (celular deitado)
   ============================================================ */

/* ---------- Tablet paisagem / notebook estreito ---------- */
@media (max-width: 1080px) {
  .split { gap: 3rem; }
  .nav-inner { gap: 1.6rem; }
  .nav-links { gap: 1.2rem; }
  .setores-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Tablet retrato / menu mobile ---------- */
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 3rem; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .passos { grid-template-columns: repeat(2, 1fr); gap: 2rem 2.5rem; }
  .passo::after { display: none; }
  .hero-fineness { display: none; }
  .metais-grid { grid-template-columns: 1fr; }
  .entrega-grid { grid-template-columns: 1fr; }
  .setores-grid { grid-template-columns: repeat(2, 1fr); }
  .vender-infos { grid-template-columns: repeat(2, 1fr); }

  /* menu vira hambúrguer */
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; background: rgba(11, 11, 14, 0.97);
    -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    max-height: calc(100vh - 70px); overflow-y: auto;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 1.1rem 1.6rem; border-top: 1px solid var(--line); }
  .nav-links a::after { display: none; }
  .nav-burger { display: flex; }

  .cta-faixa { flex-direction: column; text-align: center; align-items: stretch; }
  .cta-faixa-acao { align-items: center; }
}

/* ---------- Celular ---------- */
@media (max-width: 640px) {
  .section { padding: 4.5rem 1.4rem; }
  .section-title { font-size: clamp(1.7rem, 7vw, 2.4rem); }

  .nav-inner { padding: 0.9rem 1.4rem; gap: 1rem; }
  .nav-cta { display: none; }
  .logo-word { font-size: 1.15rem; }

  .hero-inner { padding: 7rem 1.4rem 3rem; }
  .hero-selo { letter-spacing: 0.18em; font-size: 0.7rem; padding: 0.45rem 0.9rem; }
  .hero-sub { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .hero-bar { display: none; }

  .cards { grid-template-columns: 1fr; }
  .card { padding: 2rem 1.6rem; }
  .passos { grid-template-columns: 1fr; gap: 2rem; }
  .setores-grid { grid-template-columns: 1fr; }
  .setor { padding: 1.8rem 1.4rem; }
  .vender-infos { grid-template-columns: 1fr; }

  .stat { padding: 1.6rem 1.4rem; }
  .stat-num { font-size: 2.3rem; min-width: 90px; }

  .metal-card { padding: 2.2rem 1.6rem; }
  .metal-card h3 { font-size: 1.6rem; }
  .metal-selo { font-size: 2.2rem; top: 1.3rem; right: 1.4rem; }
  .entrega-card { padding: 2.2rem 1.6rem; }

  .simulacao { padding: 1.6rem 1.2rem; }
  .simulacao-cabecalho h3 { font-size: 1.35rem; padding-right: 5.5rem; }
  .cta-faixa { padding: 1.8rem 1.4rem; }
  .cta-faixa-texto h3 { font-size: 1.4rem; }
  .cta-faixa .btn { width: 100%; justify-content: center; }

  .contato-lista { gap: 1.4rem; flex-direction: column; }
  .btn-whats { width: 100%; justify-content: center; }
  .contato-dados { width: 100%; }

  .rodape { padding: 3rem 1.4rem; }
}

/* ---------- Celular pequeno (≤400px) ---------- */
@media (max-width: 400px) {
  .section { padding: 4rem 1.1rem; }
  .hero-inner { padding: 6.5rem 1.1rem 3rem; }
  .hero-selo { letter-spacing: 0.12em; font-size: 0.64rem; }
  .btn { padding: 0.9rem 1.4rem; font-size: 0.8rem; }
  .logo-word { font-size: 1.05rem; }
  .logo-metais { font-size: 0.46rem; }
  .stat { gap: 0.8rem; }
  .stat-num { font-size: 2rem; min-width: 76px; }
  .simulacao-cabecalho h3 { padding-right: 0; }
  .simulacao::after { display: none; }
}

/* ---------- Celular deitado (paisagem baixa) ---------- */
@media (max-height: 540px) and (orientation: landscape) {
  .hero { min-height: auto; padding: 6rem 0 4rem; }
  .hero-inner { padding-top: 3rem; }
  .hero-scroll-hint { display: none; }
  .hero-fineness { display: none; }
}

/* ---------- Telas muito grandes (≥1800px) ---------- */
@media (min-width: 1800px) {
  .section-inner, .nav-inner { max-width: 1360px; }
}