:root {
  --ink: #0f1114;
  --ink-soft: #14181c;
  --steel: #3a4750;
  --steel-lt: #7c8a93;
  --concrete: #e9e6df;
  --concrete-dk: #d8d3c8;
  --orange: #e8651a;
  --orange-lt: #ff7a2e;
  --orange-glow: rgba(232, 101, 26, 0.35);
  --paper: #fbfaf7;
  --text: #1b1f22;
  --success: #1a8f4a;
  --danger: #c0392b;
  --radius: 6px;
  --shadow: 0 24px 60px rgba(15, 17, 20, 0.18);
  --nav-h: 148px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, .display {
  font-family: 'Archivo Black', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; }
.eyebrow {
  font-weight: 700; font-size: .75rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--orange);
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--radius); border: none;
  font-weight: 700; font-size: .85rem; letter-spacing: .04em;
  text-transform: uppercase; cursor: pointer; transition: all .25s ease;
}
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 8px 24px var(--orange-glow); }
.btn-primary:hover { background: var(--orange-lt); transform: translateY(-2px); }
.btn-ghost { background: transparent; border: 1.5px solid rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--ink); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-outline { background: transparent; border: 1.5px solid var(--ink); color: var(--ink); }
.btn-sm { padding: 10px 18px; font-size: .78rem; }
.btn-block { width: 100%; }

/* Nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(15,17,20,.88); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: background .3s, box-shadow .3s;
}
.nav.scrolled { box-shadow: 0 8px 32px rgba(0,0,0,.25); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); }
.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-img { display: block; height: 132px; width: auto; border-radius: 4px; }
.footer-brand .logo-img { height: 156px; }
.nav-links { display: flex; gap: 28px; font-size: .88rem; font-weight: 600; color: var(--steel-lt); }
.nav-links a:hover { color: #fff; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.cart-btn { position: relative; color: #fff; padding: 8px; }
.cart-count {
  position: absolute; top: 0; right: 0; min-width: 18px; height: 18px;
  background: var(--orange); color: #fff; border-radius: 999px;
  font-size: .65rem; font-weight: 800; display: grid; place-items: center;
}
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; transition: .3s; }

/* Hero */
.hero {
  min-height: 100vh; background: var(--ink); color: #fff;
  padding: calc(var(--nav-h) + 48px) 0 0; position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; opacity: .35;
  background: radial-gradient(circle at 70% 40%, var(--orange-glow), transparent 50%),
              linear-gradient(135deg, rgba(232,101,26,.08), transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; position: relative; }
.hero h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); margin: 16px 0 20px; animation: fadeUp .8s ease both; }
.hero h1 em { font-style: normal; color: var(--orange-lt); }
.hero-lead { font-size: 1.12rem; color: #c9cdd1; max-width: 48ch; line-height: 1.55; margin-bottom: 28px; animation: fadeUp .8s .1s ease both; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; animation: fadeUp .8s .2s ease both; }
.hero-visual { position: relative; animation: fadeUp .8s .3s ease both; }
.hero-visual img { border-radius: var(--radius); border: 1px solid rgba(255,255,255,.1); box-shadow: var(--shadow); }
.hero-tag {
  position: absolute; bottom: -20px; left: -20px; background: var(--orange); color: #fff;
  padding: 18px 24px; font-family: 'Archivo Black'; font-size: 1.5rem; line-height: 1;
  box-shadow: 0 16px 40px rgba(0,0,0,.4); animation: pulse 3s ease infinite;
}
.hero-tag small { display: block; font-family: 'Inter'; font-weight: 600; font-size: .62rem; letter-spacing: .08em; margin-top: 6px; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; animation: fadeUp .8s .4s ease both; }
.hero-stat .num { font-family: 'Archivo Black'; font-size: 1.6rem; color: var(--orange-lt); }
.hero-stat .lbl { font-size: .78rem; color: var(--steel-lt); font-weight: 600; }

.region-toggle { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; flex-wrap: wrap; animation: fadeUp .8s .15s ease both; }
.region-toggle span { font-size: .85rem; font-weight: 600; color: #c9cdd1; }
.toggle-pills { display: inline-flex; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); border-radius: 999px; padding: 4px; }
.toggle-pills button {
  border: none; background: transparent; color: #c9cdd1; padding: 9px 20px;
  border-radius: 999px; font-weight: 700; font-size: .85rem; cursor: pointer; transition: .2s;
}
.toggle-pills button.active { background: var(--orange); color: #fff; }

/* Stats strip */
.stats-strip { background: var(--concrete-dk); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { padding: 36px 24px; border-left: 1px solid rgba(20,24,28,.1); }
.stat-item:first-child { border-left: none; }
.stat-item .num { font-family: 'Archivo Black'; font-size: 2rem; display: block; }
.stat-item .lbl { font-size: .82rem; color: var(--steel); font-weight: 600; margin-top: 4px; }

/* Section headers */
.sec-head { max-width: 640px; margin-bottom: 48px; }
.sec-head h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-top: 10px; }
.sec-head p { color: var(--steel); font-size: 1.02rem; margin-top: 14px; line-height: 1.55; }
.dark-section { background: var(--ink); color: #fff; }
.dark-section .sec-head h2 { color: #fff; }
.dark-section .sec-head p { color: #c9cdd1; }

/* Steps */
.steps-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.step-card { padding: 24px 0; }
.step-card .n { font-family: 'Archivo Black'; font-size: 2.4rem; color: var(--concrete-dk); display: block; margin-bottom: 10px; }
.dark-section .step-card .n { color: rgba(255,255,255,.12); }
.step-card h3 { font-family: 'Inter'; font-weight: 800; font-size: .95rem; text-transform: none; margin-bottom: 8px; }
.dark-section .step-card h3 { color: #fff; }
.step-card p { font-size: .86rem; color: var(--steel); line-height: 1.5; }
.dark-section .step-card p { color: #c9cdd1; }

/* Cards grid */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.project-card {
  background: #fff; border: 1px solid var(--concrete-dk); border-radius: var(--radius);
  overflow: hidden; transition: transform .25s, box-shadow .25s;
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.project-card.featured { border-color: var(--orange); box-shadow: 0 0 0 1px var(--orange); }
.project-card-img { aspect-ratio: 16/10; background: linear-gradient(135deg, var(--ink-soft), var(--steel)); position: relative; overflow: hidden; }
.project-card-img img { width: 100%; height: 100%; object-fit: cover; }
.project-card-badge {
  position: absolute; top: 12px; left: 12px; background: var(--orange); color: #fff;
  padding: 4px 10px; font-size: .68rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
}
.project-card-body { padding: 22px; }
.project-card-body h3 { font-size: 1.2rem; margin-bottom: 4px; }
.project-card-meta { font-size: .84rem; color: var(--steel); margin-bottom: 14px; }
.project-card-price { font-family: 'Archivo Black'; font-size: 1.5rem; color: var(--orange); }
.project-card-price small { display: block; font-family: 'Inter'; font-weight: 600; font-size: .68rem; color: var(--steel); text-transform: uppercase; }
.project-card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin: 12px 0 16px; }
.tag { font-size: .68rem; font-weight: 700; padding: 4px 8px; background: var(--concrete); border-radius: 4px; text-transform: uppercase; letter-spacing: .04em; }
.tag-modular { background: rgba(26,143,74,.12); color: var(--success); }
.tag-approval { background: rgba(232,101,26,.12); color: var(--orange); }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card {
  padding: 28px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius); transition: .3s;
}
.feature-card:hover { border-color: var(--orange); transform: translateY(-4px); }
.feature-icon { width: 48px; height: 48px; background: var(--orange); border-radius: 10px; display: grid; place-items: center; margin-bottom: 16px; font-size: 1.4rem; }
.feature-card h3 { font-family: 'Inter'; font-size: .92rem; font-weight: 800; text-transform: none; margin-bottom: 8px; }
.feature-card p { font-size: .84rem; color: #c9cdd1; line-height: 1.5; }

/* Market bars */
.bars-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.bar-row { margin-bottom: 16px; }
.bar-meta { display: flex; justify-content: space-between; font-size: .84rem; margin-bottom: 6px; color: #c9cdd1; }
.bar-track { background: rgba(255,255,255,.08); height: 10px; border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 6px; background: var(--steel-lt); width: var(--bar-w, 50%); transition: width 1.2s ease; }
.bar-fill.hl { background: var(--orange); }

/* Payment timeline */
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ''; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: var(--concrete-dk); }
.timeline-step { position: relative; padding-bottom: 24px; }
.timeline-step::before {
  content: ''; position: absolute; left: -28px; top: 2px; width: 14px; height: 14px;
  border-radius: 50%; background: var(--orange); border: 3px solid var(--paper);
  box-shadow: 0 0 0 1.5px var(--concrete-dk);
}
.timeline-step b { display: block; font-size: .92rem; }
.timeline-step span { font-size: .82rem; color: var(--steel); }

/* Trade-in banner */
.trade-banner {
  background: linear-gradient(135deg, var(--ink), #1a2030); color: #fff;
  border-radius: var(--radius); padding: 48px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: center;
}
.trade-banner h2 { font-size: 2rem; margin: 12px 0 16px; }
.trade-banner p { color: #c9cdd1; line-height: 1.55; }

/* CTA final */
.cta-final { background: var(--orange); color: #fff; text-align: center; padding: 80px 0; }
.cta-final h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); max-width: 18ch; margin: 0 auto 18px; }
.cta-final p { max-width: 52ch; margin: 0 auto 28px; opacity: .9; font-size: 1.05rem; }

/* Footer */
.footer { background: var(--ink); color: var(--steel-lt); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer h4 { color: #fff; font-family: 'Inter'; font-size: .82rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 16px; }
.footer ul { list-style: none; }
.footer li { margin-bottom: 8px; font-size: .86rem; }
.footer li a:hover { color: var(--orange-lt); }
.footer .tagline { color: var(--orange-lt); font-weight: 600; font-size: .82rem; margin: 8px 0 12px; }
.footer-desc { font-size: .86rem; line-height: 1.55; max-width: 32ch; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; display: flex; justify-content: space-between; font-size: .78rem; }

.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
}
.whatsapp-float a {
  width: 56px; height: 56px; background: #25d366; color: #fff; border-radius: 50%;
  display: grid; place-items: center; box-shadow: 0 8px 24px rgba(37,211,102,.4);
  transition: transform .2s;
}
.whatsapp-float a:hover { transform: scale(1.08); }

/* Catalog page */
.page-hero { padding: calc(var(--nav-h) + 48px) 0 48px; background: var(--ink); color: #fff; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-top: 12px; }
.filters-bar {
  display: flex; gap: 12px; flex-wrap: wrap; padding: 24px 0; border-bottom: 1px solid var(--concrete-dk); margin-bottom: 32px;
}
.filter-group { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.filter-label { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--steel); margin-right: 4px; }
.filter-btn {
  padding: 8px 16px; border: 1.5px solid var(--concrete-dk); border-radius: 999px;
  background: #fff; font-size: .82rem; font-weight: 600; cursor: pointer; transition: .2s;
}
.filter-btn.active, .filter-btn:hover { border-color: var(--orange); color: var(--orange); background: rgba(232,101,26,.06); }

/* Configurator */
.config-layout { display: grid; grid-template-columns: 1fr 380px; gap: 40px; padding: calc(var(--nav-h) + 32px) 0 64px; }
.config-preview { background: var(--ink); border-radius: var(--radius); aspect-ratio: 16/10; position: relative; overflow: hidden; }
.config-preview img { width: 100%; height: 100%; object-fit: cover; }
.config-panel { position: sticky; top: calc(var(--nav-h) + 24px); }
.config-section { margin-bottom: 28px; }
.config-section h3 { font-size: .82rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 12px; }
.facade-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.facade-option {
  border: 2px solid var(--concrete-dk); border-radius: var(--radius); padding: 10px;
  cursor: pointer; transition: .2s; text-align: center;
}
.facade-option.active { border-color: var(--orange); background: rgba(232,101,26,.05); }
.facade-option img { aspect-ratio: 4/3; object-fit: cover; border-radius: 4px; margin-bottom: 8px; background: var(--concrete); }
.facade-option span { font-size: .78rem; font-weight: 700; display: block; }
.price-box {
  background: var(--ink); color: #fff; border-radius: var(--radius); padding: 24px; margin-top: 24px;
}
.price-box .total { font-family: 'Archivo Black'; font-size: 2rem; color: var(--orange-lt); }
.price-line { display: flex; justify-content: space-between; font-size: .86rem; color: #c9cdd1; margin-bottom: 8px; }
.flow-badge { display: inline-block; padding: 6px 12px; border-radius: 4px; font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 16px; }
.flow-direct { background: rgba(26,143,74,.2); color: var(--success); }
.flow-analysis { background: rgba(232,101,26,.2); color: var(--orange-lt); }

/* Cart & Checkout */
.cart-layout, .checkout-layout { display: grid; grid-template-columns: 1fr 380px; gap: 40px; padding: calc(var(--nav-h) + 32px) 0 64px; }
.cart-item, .form-card {
  background: #fff; border: 1px solid var(--concrete-dk); border-radius: var(--radius); padding: 24px; margin-bottom: 16px;
}
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 6px; color: var(--steel); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--concrete-dk); border-radius: var(--radius);
  font-family: inherit; font-size: .92rem; transition: .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px var(--orange-glow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.empty-state { text-align: center; padding: 64px 24px; }
.empty-state h2 { font-size: 1.4rem; margin: 16px 0 8px; }

/* Lead form */
.lead-form { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius); padding: 32px; }
.dark-section .lead-form label { color: #c9cdd1; }
.dark-section .lead-form input,
.dark-section .lead-form textarea { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.15); color: #fff; }
.dark-section .lead-form input::placeholder,
.dark-section .lead-form textarea::placeholder { color: rgba(255,255,255,.45); }

/* Tech / incluso */
.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.tech-grid img { border-radius: var(--radius); border: 1px solid rgba(255,255,255,.1); width: 100%; }
.spec-list { list-style: none; }
.spec-list li { display: flex; gap: 12px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08); font-size: .9rem; color: #c9cdd1; }
.spec-list li strong { color: #fff; display: block; font-size: .92rem; margin-bottom: 4px; }
.spec-list li span { display: block; }
.spec-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); margin-top: 8px; flex-shrink: 0; }
.included-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.included-box { background: #fff; border: 1px solid var(--concrete-dk); border-radius: var(--radius); padding: 28px; }
.included-box h3 { font-family: 'Inter'; font-size: 1rem; font-weight: 800; margin-bottom: 14px; text-transform: none; }
.included-box ul { list-style: none; }
.included-box li { padding: 8px 0; border-bottom: 1px solid var(--concrete-dk); font-size: .88rem; color: var(--steel); }
.included-box li::before { content: '✓ '; color: var(--success); font-weight: 700; }
.included-box.excluded li::before { content: '○ '; color: var(--steel-lt); }
.payment-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }

/* Animations — conteúdo sempre visível; animação só no hero */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.02); } }

/* Responsive */
@media (max-width: 980px) {
  :root { --nav-h: 100px; }
  .logo-img { height: 84px; }
  .hero-grid, .trade-banner, .config-layout, .cart-layout, .checkout-layout, .bars-grid, .footer-grid, .tech-grid, .included-grid, .payment-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; position: absolute; top: var(--nav-h); left: 0; right: 0; background: var(--ink); flex-direction: column; padding: 20px 24px; gap: 16px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .config-panel { position: static; }
}
@media (max-width: 600px) {
  .steps-grid, .features-grid, .stats-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
}