:root {
  --bg-base: #0a0d12;
  --bg-secondary: #12171e;
  --bg-card: #171d26;
  --text-primary: #f0f5fa;
  --text-secondary: #a2b3c6;
  --gold: #d4a54a;
  --gold-hover: #b88c3a;
  --petrol: #0b3242;
  --petrol-light: #144a60;
  --whatsapp: #25d366;
  --radius: 6px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.8);
}

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

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  padding: 0 0 60px 0;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; width: 100%; }

.skip-link {
  position: absolute; top: -100%; left: 0; padding: 12px 20px; background: var(--gold); color: var(--bg-base);
  z-index: 9999; font-weight: 800;
}
.skip-link:focus { top: 0; }

/* Header */
.topbar { padding: 20px 0; position: relative; z-index: 10; border-bottom: 1px solid rgba(255,255,255,0.05); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { text-decoration: none; display: flex; flex-direction: column; line-height: 1; }
.brand-mark { font-size: 1.8rem; font-weight: 900; letter-spacing: -1px; color: var(--text-primary); }
.brand-sub { font-size: 0.65rem; color: var(--gold); letter-spacing: 0.2em; text-transform: uppercase; }
.desktop-nav { display: none; gap: 24px; }
.desktop-nav a { color: var(--text-secondary); text-decoration: none; font-weight: 500; font-size: 0.95rem; transition: color 0.2s; }
.desktop-nav a:hover { color: var(--gold); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 24px; border-radius: var(--radius); font-weight: 700; text-decoration: none; transition: all 0.2s; border: none; cursor: pointer; font-size: 1rem; }
.btn-small { padding: 10px 18px; font-size: 0.85rem; }
.btn-large { padding: 18px 36px; font-size: 1.1rem; width: 100%; }
.btn-primary { background: var(--gold); color: var(--bg-base); }
.btn-primary:hover { background: var(--gold-hover); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--text-primary); border: 1px solid rgba(255,255,255,0.2); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-full { width: 100%; }

/* Visual Elements */
.eyebrow { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.15em; font-weight: 700; color: var(--gold); margin-bottom: 16px; }
.wa-dot { display: inline-block; width: 12px; height: 12px; background: var(--whatsapp); border-radius: 50%; }

/* Hero */
.hero { padding: 60px 0; position: relative; overflow: hidden; background: var(--bg-secondary); }
.hero-grid { display: grid; gap: 40px; align-items: center; }
.hero h1 { font-size: 2.2rem; line-height: 1.1; margin-bottom: 20px; font-weight: 800; }
.hero h1 em { color: var(--gold); font-style: normal; }
.hero p { color: var(--text-secondary); font-size: 1.1rem; max-width: 500px; margin-bottom: 24px; }
.price-line { display: flex; align-items: center; gap: 12px; margin-bottom: 30px; font-size: 1rem; }
.price-line span { color: var(--text-secondary); }
.price-line strong { color: var(--gold); font-size: 1.2rem; }
.hero-actions { display: flex; flex-direction: column; gap: 16px; margin-bottom: 30px; }
.text-link { color: var(--text-secondary); text-decoration: none; font-weight: 500; transition: color 0.2s; display: inline-flex; align-items: center; gap: 4px; }
.text-link:hover { color: var(--gold); }
.trust-row { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 0.85rem; color: var(--text-secondary); }
.trust-row span { position: relative; }
.trust-row span:not(:last-child)::after { content: '•'; margin-left: 16px; color: var(--gold); }

/* Hero Image */
.hero-img-container { border-radius: var(--radius); overflow: hidden; position: relative; background: var(--bg-card); box-shadow: var(--shadow); }
.hero-img-container img { width: 100%; height: auto; display: block; object-fit: cover; min-height: 300px; }
.hero-card-caption { position: absolute; bottom: 0; left: 0; right: 0; padding: 30px 24px; background: linear-gradient(transparent, rgba(0,0,0,0.9)); color: white; }
.hero-card-caption span { display: block; font-size: 0.75rem; color: var(--gold); text-transform: uppercase; letter-spacing: 0.1em; font-weight: 700; margin-bottom: 4px; }
.hero-card-caption strong { font-weight: 800; font-size: 1.1rem; }

/* Metrics */
.metrics { padding: 40px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.metric-grid { display: grid; gap: 30px; }
.metric-grid article { display: flex; align-items: center; gap: 16px; }
.metric-grid b { font-size: 2rem; font-weight: 900; color: rgba(255,255,255,0.05); line-height: 1; }
.metric-grid span { color: var(--text-secondary); font-size: 1rem; }

/* Sections */
.section { padding: 60px 0; }
.section-alt { background: var(--bg-secondary); }
.section-head { margin-bottom: 40px; max-width: 700px; }
.section-head h2 { font-size: 2rem; line-height: 1.2; font-weight: 800; margin-bottom: 16px; }
.section-head h2 em { color: var(--gold); font-style: normal; }
.section-head p { color: var(--text-secondary); font-size: 1.05rem; }

/* Grids & Cards */
.cards { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.service-card { background: var(--bg-card); padding: 30px 24px; border-radius: var(--radius); border-left: 3px solid var(--gold); }
.service-card h3 { font-size: 1.2rem; margin-bottom: 8px; color: var(--text-primary); }
.service-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; }

/* Portfolio */
.gallery-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
.gallery-grid figure { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; margin: 0; position: relative; }
.gallery-grid img { width: 100%; height: auto; display: block; object-fit: cover; min-height: 250px; }
.gallery-main { grid-column: 1 / -1; }

/* Split Imobiliarias */
.split { display: grid; gap: 40px; align-items: center; }
.split-media { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--bg-card); }
.split-media img { width: 100%; height: auto; display: block; min-height: 300px; object-fit: cover; }
.media-tag { position: absolute; bottom: 20px; left: 20px; background: rgba(0,0,0,0.8); color: var(--gold); padding: 8px 16px; border-radius: 4px; font-size: 0.8rem; font-weight: 700; border-left: 2px solid var(--gold); }
.split-copy h2 { font-size: 2rem; line-height: 1.2; font-weight: 800; margin-bottom: 20px; }
.split-copy h2 em { color: var(--gold); font-style: normal; }
.split-copy p { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 24px; }
.checklist { list-style: none; padding: 0; margin-bottom: 30px; display: flex; flex-direction: column; gap: 12px; }
.checklist li { padding-left: 24px; position: relative; color: var(--text-secondary); font-size: 0.95rem; }
.checklist li::before { content: '◆'; position: absolute; left: 0; color: var(--gold); font-size: 0.8rem; top: 2px; }

/* Pricing */
.pricing { display: grid; gap: 20px; align-items: start; grid-template-columns: 1fr; }
.price-card { background: var(--bg-card); padding: 32px 24px; border-radius: var(--radius); text-align: center; border: 1px solid rgba(255,255,255,0.05); display: flex; flex-direction: column; }
.price-card.featured { border: 1px solid var(--gold); position: relative; background: #1c2430; }
.price-card.featured .badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--gold); color: var(--bg-base); padding: 4px 12px; border-radius: 20px; font-size: 0.65rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; }
.price-card .plan { display: block; color: var(--text-secondary); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px; font-weight: 600; }
.price-card h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 4px; color: var(--text-primary); }
.price-card .price { font-size: 2rem; font-weight: 800; color: var(--gold); margin-bottom: 20px; display: flex; flex-direction: column; align-items: center; line-height: 1; }
.price-card .price small { font-size: 0.8rem; font-weight: 400; color: var(--text-secondary); display: block; margin-bottom: 4px; }
.price-card ul { text-align: left; list-style: none; padding: 0; margin-bottom: 24px; flex-grow: 1; }
.price-card ul li { padding: 6px 0; color: var(--text-secondary); font-size: 0.9rem; border-bottom: 1px solid rgba(255,255,255,0.05); }
.price-card ul li:last-child { border-bottom: none; }
.price-card .btn { margin-top: auto; }

/* Steps */
.steps { display: grid; gap: 30px; }
.steps article { background: var(--bg-card); padding: 30px 24px; border-radius: var(--radius); display: flex; flex-direction: column; align-items: flex-start; }
.steps span { color: rgba(255,255,255,0.05); font-size: 4rem; font-weight: 900; line-height: 0.8; margin-bottom: 12px; }
.steps h3 { font-size: 1.2rem; margin-bottom: 8px; color: var(--text-primary); }
.steps p { color: var(--text-secondary); font-size: 0.95rem; }

/* Testimonials */
.testimonial-grid { display: grid; gap: 20px; }
.testimonial-card { background: var(--bg-card); padding: 30px 24px; border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.05); }
.testimonial-card .stars { color: var(--gold); font-size: 1.2rem; margin-bottom: 12px; letter-spacing: 2px; }
.testimonial-card p { color: var(--text-primary); font-size: 1.05rem; line-height: 1.6; font-style: italic; margin-bottom: 16px; }
.testimonial-card footer { color: var(--text-secondary); font-size: 0.85rem; font-weight: 600; }

/* FAQ */
.faq-grid { display: grid; gap: 30px; }
.accordion details { background: var(--bg-card); border-bottom: 1px solid rgba(255,255,255,0.05); padding: 16px 0; }
.accordion details:last-child { border-bottom: none; }
.accordion summary { font-weight: 700; color: var(--text-primary); cursor: pointer; list-style: none; position: relative; padding-right: 24px; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: '+'; position: absolute; right: 0; color: var(--gold); font-weight: 800; }
.accordion details[open] summary::after { content: '−'; }
.accordion p { margin-top: 12px; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; }

/* Final CTA */
.final-cta { padding: 80px 0; background: var(--bg-secondary); text-align: center; border-top: 1px solid rgba(255,255,255,0.05); }
.final-inner h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.final-inner h2 em { color: var(--gold); font-style: normal; }
.final-inner p { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 30px; max-width: 500px; margin-left: auto; margin-right: auto; }
.final-inner small { display: block; margin-top: 16px; color: var(--text-secondary); font-size: 0.85rem; }
.final-inner .btn { max-width: 400px; margin: 0 auto; }

/* Footer */
footer { padding: 40px 0; background: var(--bg-base); border-top: 1px solid rgba(255,255,255,0.05); text-align: center; color: var(--text-secondary); font-size: 0.85rem; }
footer strong { display: block; color: var(--text-primary); font-weight: 700; margin-bottom: 4px; }

/* Floating WhatsApp */
.floating-wa { position: fixed; bottom: 20px; right: 20px; background: var(--bg-card); border: 1px solid rgba(255,255,255,0.1); padding: 12px 20px; border-radius: 50px; display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text-primary); font-weight: 700; box-shadow: var(--shadow); z-index: 100; transition: transform 0.2s; backdrop-filter: blur(8px); }
.floating-wa:hover { transform: scale(1.05); }

/* PWA Prompt */
.pwa-prompt { position: fixed; bottom: 0; left: 0; right: 0; background: var(--bg-card); border-top: 2px solid var(--gold); padding: 20px; z-index: 1000; box-shadow: 0 -8px 24px rgba(0,0,0,0.8); animation: slideUp 0.3s ease-out; }
.pwa-prompt-content { max-width: 500px; margin: 0 auto; text-align: center; }
.pwa-prompt-content strong { display: block; color: var(--text-primary); font-size: 1.1rem; margin-bottom: 4px; }
.pwa-prompt-content p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 16px; }
.pwa-prompt-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-pwa-install { background: var(--gold); color: var(--bg-base); border: none; padding: 12px 24px; border-radius: var(--radius); font-weight: 700; cursor: pointer; }
.btn-pwa-close { background: transparent; color: var(--text-secondary); border: 1px solid rgba(255,255,255,0.1); padding: 12px 24px; border-radius: var(--radius); cursor: pointer; font-weight: 600; }
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }

/* Responsive */
@media (min-width: 768px) {
  .desktop-nav { display: flex; }
  .topbar .btn-small { display: inline-flex; }
  .hero-grid { grid-template-columns: 1fr 1fr; gap: 60px; }
  .hero h1 { font-size: 3rem; }
  .hero-actions { flex-direction: row; align-items: center; }
  .btn-large { width: auto; }
  .metric-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-main { grid-column: 1 / -1; }
  .split { grid-template-columns: 1fr 1fr; }
  .pricing { grid-template-columns: 1fr 1fr 1fr; gap: 30px; align-items: stretch; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr 1fr; }
  .faq-grid { grid-template-columns: 1fr 1fr; align-items: start; }
  .final-inner h2 { font-size: 3rem; }
}

@media (min-width: 1024px) {
  .hero h1 { font-size: 3.5rem; }
  .price-card .price { font-size: 2.4rem; }
}