:root {
  --black: #000;
  --surface: #111;
  --surface-2: #1a1a1a;
  --border: #2a2a2a;
  --muted: #888;
  --text: #e8e8e8;
  --white: #fff;
  --gold: #c5a46e;
  --gold-light: #d4b896;
  --green: #45a557;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--black);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { max-width: 1400px; margin: 0 auto; padding: 0 1.5rem; }
@media (min-width: 1024px) { .container { padding: 0 2.5rem; } }
.section { padding: 5rem 0; }
@media (min-width: 768px) { .section { padding: 6.25rem 0; } }

.label { font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); }
.label-dark { font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.muted { color: var(--muted); }
.text-gold { color: var(--gold); }
.text-white { color: var(--white); }

.display { font-size: clamp(2.5rem, 7vw, 6rem); font-weight: 600; line-height: .95; letter-spacing: -.04em; color: var(--white); }
.heading { font-size: clamp(1.75rem, 4vw, 3rem); font-weight: 600; line-height: 1.08; letter-spacing: -.03em; color: var(--white); }
.heading-sm { font-size: clamp(1.35rem, 2.5vw, 2rem); font-weight: 600; line-height: 1.15; color: var(--white); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; }
.card-hover { transition: .3s; }
.card-hover:hover { border-color: var(--gold); transform: translateY(-2px); box-shadow: 0 16px 40px rgba(0,0,0,.4); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: 100px; font-size: 13px; font-weight: 600; border: 1px solid transparent; cursor: pointer; transition: .3s; }
.btn-gold { background: var(--gold); color: var(--black); border-color: var(--gold); }
.btn-gold:hover { background: var(--gold-light); }
.btn-outline { background: transparent; color: var(--white); border-color: var(--border); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-sm { padding: 8px 20px; font-size: 12px; }

.badge-btn { display: inline-flex; align-items: center; gap: 12px; padding: 10px 10px 10px 22px; border-radius: 100px; background: var(--gold); color: var(--black); font-weight: 600; }
.badge-icon { width: 36px; height: 36px; border-radius: 50%; background: var(--black); display: flex; align-items: center; justify-content: center; }

.input { width: 100%; padding: 12px 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font: inherit; }
.input:focus { outline: none; border-color: var(--gold); }

.tag { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 25px; border: 1px solid rgba(255,255,255,.12); background: rgba(0,0,0,.5); font-size: 11px; font-weight: 600; text-transform: uppercase; color: var(--white); }
.tag .dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; }

/* Header */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 50; transition: .3s; }
.site-header.scrolled { background: rgba(0,0,0,.9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo-img { height: 48px; width: auto; }
.logo-sm { height: 40px; }
.logo-md { height: 56px; margin-bottom: 1rem; }
.nav-desktop { display: none; gap: 2rem; }
.nav-desktop a { font-size: 13px; font-weight: 500; color: var(--muted); }
.nav-desktop a:hover, .nav-desktop a.active { color: var(--gold); }
.header-actions { display: flex; align-items: center; gap: .5rem; }
.menu-btn { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border); background: transparent; color: var(--white); cursor: pointer; font-size: 18px; }
@media (min-width: 1024px) { .nav-desktop { display: flex; } .menu-btn { display: none; } }
@media (max-width: 767px) { .hide-mobile { display: none; } }

.mobile-menu { position: fixed; inset: 0; z-index: 100; pointer-events: none; opacity: 0; transition: .3s; }
.mobile-menu.open { pointer-events: auto; opacity: 1; }
.mobile-menu-backdrop { position: absolute; inset: 0; background: var(--black); }
.mobile-menu-panel { position: relative; height: 100%; overflow-y: auto; }
.mobile-menu-top { display: flex; justify-content: space-between; align-items: center; padding: 1.25rem 0; border-bottom: 1px solid var(--border); }
.mobile-nav { padding: 2rem 0; }
.mobile-nav a { display: block; padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 1.25rem; font-weight: 600; color: var(--white); }
.mobile-nav a:hover { color: var(--gold); padding-left: 12px; }
.mobile-menu-contact { padding-bottom: 2rem; }
.mobile-menu-contact a { display: block; margin-top: .5rem; color: var(--text); }

/* Hero */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; overflow: hidden; }
.hero video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.05); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,.55) 45%, rgba(0,0,0,.88)); }
.hero-content { position: relative; z-index: 2; flex: 1; display: flex; flex-direction: column; justify-content: center; padding-top: 6rem; padding-bottom: 2rem; }
.hero-grid { display: grid; gap: 2.5rem; align-items: end; }
@media (min-width: 1024px) { .hero-grid { grid-template-columns: 2fr 1fr; } }
.hero-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2rem; }
.hero-stats { margin-top: 3.5rem; padding-top: 2rem; border-top: 1px solid var(--border); display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
@media (min-width: 768px) { .hero-stats { grid-template-columns: repeat(4, 1fr); } }
.stat-num { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 600; color: var(--gold); }
.hero-marquee { position: relative; z-index: 2; border-top: 1px solid var(--border); background: rgba(0,0,0,.8); padding: .75rem 0; overflow: hidden; }
.marquee { display: flex; width: max-content; animation: marquee 25s linear infinite; }
.marquee span { margin: 0 1.25rem; font-size: 12px; text-transform: uppercase; letter-spacing: .2em; color: var(--muted); white-space: nowrap; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Grids */
.grid-2 { display: grid; gap: 1.25rem; }
.grid-3 { display: grid; gap: 1.25rem; }
.grid-4 { display: grid; gap: 1.25rem; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }

/* About */
.about-grid { display: grid; gap: 3rem; align-items: center; }
@media (min-width: 1024px) { .about-grid { grid-template-columns: 1fr 1fr; } }
.about-img { border-radius: 16px; aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.highlights { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.5rem; }

/* Projects */
.project-card { border-radius: 16px; overflow: hidden; border: 1px solid var(--border); }
.project-media { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.project-card:hover .project-media img { transform: scale(1.05); }
.project-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.85), transparent 55%); }
.project-info { position: absolute; bottom: 0; left: 0; right: 0; padding: 1.25rem; z-index: 1; }
.project-body { padding: 1.25rem; }

/* Services pillar */
.service-pillar { display: grid; gap: 2rem; align-items: center; padding: 3rem 0; border-bottom: 1px solid var(--border); }
@media (min-width: 1024px) { .service-pillar { grid-template-columns: 1fr 1fr; } }
.service-pillar img { border-radius: 16px; width: 100%; aspect-ratio: 16/10; object-fit: cover; }

/* Pricing */
.price-card { padding: 2rem; }
.price-card.featured { border-color: var(--gold); }
.price-card h3 { font-size: 1.5rem; color: var(--white); }
.price-card .price { font-size: 1.75rem; color: var(--gold); font-weight: 600; margin: 1rem 0; }
.price-card li { padding: .5rem 0; border-bottom: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.price-card li::before { content: '✦ '; color: var(--gold); }

/* Page hero */
.page-hero { padding: 8rem 0 4rem; background: var(--surface); border-bottom: 1px solid var(--border); }
.page-hero .heading { margin-top: .75rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding-top: 4rem; }
.footer-cta { display: flex; flex-direction: column; gap: 2rem; padding-bottom: 3.5rem; border-bottom: 1px solid var(--border); }
.footer-cta h2 { font-size: clamp(2.5rem, 10vw, 5rem); font-weight: 600; color: var(--white); line-height: .92; }
@media (min-width: 768px) { .footer-cta { flex-direction: row; align-items: end; justify-content: space-between; } }
.footer-grid { display: grid; gap: 2.5rem; padding: 3rem 0; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: repeat(4, 1fr); } }
.footer-links li { margin-bottom: .6rem; font-size: 13px; }
.footer-links a:hover { color: var(--gold); }
.footer-desc { font-size: 13px; margin-top: 1rem; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding: 1.5rem 0 2rem; border-top: 1px solid var(--border); font-size: 12px; }

/* Chat */
.chat-fab { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 60; width: 56px; height: 56px; border-radius: 50%; background: var(--surface); border: 2px solid var(--gold); cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 32px rgba(0,0,0,.5); }
.chat-fab-logo { height: 28px; width: auto; }
.chat-panel { position: fixed; bottom: 5.5rem; right: 1.5rem; z-index: 60; width: min(360px, calc(100vw - 2rem)); background: var(--surface); border: 1px solid var(--border); border-radius: 16px; display: none; flex-direction: column; max-height: 420px; box-shadow: 0 20px 60px rgba(0,0,0,.6); }
.chat-panel.open { display: flex; }
.chat-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem; border-bottom: 1px solid var(--border); color: var(--gold); font-weight: 600; }
.chat-header button { background: none; border: none; color: var(--white); cursor: pointer; font-size: 18px; }
.chat-messages { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: .75rem; min-height: 200px; }
.chat-msg { padding: .75rem 1rem; border-radius: 12px; font-size: 13px; line-height: 1.5; max-width: 90%; }
.chat-msg.bot { background: var(--surface-2); align-self: flex-start; }
.chat-msg.user { background: var(--gold); color: var(--black); align-self: flex-end; }
.chat-form { display: flex; gap: .5rem; padding: 1rem; border-top: 1px solid var(--border); }
.chat-form input { flex: 1; }

/* Configurator */
.steps { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.step-dot { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 13px; background: var(--surface); color: var(--muted); }
.step-dot.active { background: var(--surface-2); color: var(--white); }
.step-dot.done { background: var(--gold); color: var(--black); }
.service-item { padding: 1rem; cursor: pointer; border-bottom: 1px solid var(--border); display: flex; gap: 1rem; align-items: flex-start; }
.service-item:hover { background: var(--surface-2); }
.service-item.selected { background: var(--surface-2); border-left: 3px solid var(--gold); }
.service-list { max-height: 480px; overflow-y: auto; border: 1px solid var(--border); border-radius: 12px; }
.filter-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.filter-tabs button { padding: 6px 14px; border-radius: 100px; border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer; font-size: 12px; }
.filter-tabs button.active { border-color: var(--gold); color: var(--gold); }
.quote-summary { padding: 1.5rem; }
.quote-line { display: flex; justify-content: space-between; padding: .5rem 0; font-size: 13px; }
.quote-total { font-size: 1.5rem; font-weight: 600; color: var(--gold); border-top: 1px solid var(--border); padding-top: 1rem; margin-top: .5rem; }
.hidden { display: none !important; }
.alert { padding: 1rem; border-radius: 8px; margin-bottom: 1rem; }
.alert-success { background: rgba(69,165,87,.15); border: 1px solid var(--green); color: var(--green); }
.alert-error { background: rgba(255,80,80,.1); border: 1px solid #f55; color: #f88; }

/* Brand boxes */
.brand-box { min-width: 160px; height: 88px; padding: 0 20px; display: flex; align-items: center; justify-content: center; border-radius: 16px; border: 1px solid var(--border); background: var(--surface); font-weight: 600; color: var(--muted); flex-shrink: 0; }
.brand-marquee { overflow: hidden; padding: 2rem 0; }