:root {
  --bg: #07101b;
  --bg-2: #0c1726;
  --surface: rgba(255,255,255,0.07);
  --surface-2: rgba(255,255,255,0.1);
  --line: rgba(255,255,255,0.12);
  --text: #f8fafc;
  --muted: #cbd5e1;
  --gold: #f59e0b;
  --gold-2: #fbbf24;
  --gold-3: #fde68a;
  --shadow: 0 30px 90px rgba(2,6,23,.42);
  --radius: 28px;
  --radius-sm: 18px;
  --container: 1220px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #07101b 0%, #091321 100%);
  overflow-x: hidden;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; position: relative; z-index: 2; }

.lux-cursor {
  position: fixed;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,.16), transparent 65%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  filter: blur(18px);
  z-index: 1;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  transition: .3s ease;
}
.site-header.is-scrolled {
  background: rgba(7,16,27,.76);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-shell {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-badge {
  width: 52px; height: 52px; border-radius: 18px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: #1f2937; font-weight: 900; box-shadow: 0 16px 30px rgba(245,158,11,.28);
}
.brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.brand-copy strong { font-size: 1.05rem; }
.brand-copy small { color: var(--muted); font-size: .82rem; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a {
  color: rgba(248,250,252,.82);
  position: relative;
  font-weight: 500;
}
.nav a::after {
  content: ''; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-2)); transition: width .25s ease;
}
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.menu-btn {
  display: none; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.12); border-radius: 14px;
  background: rgba(255,255,255,.06); color: var(--text); cursor: pointer;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; padding: 14px 22px;
  border-radius: 999px; font-weight: 700; transition: .25s ease; border: 0;
}
.btn:hover { transform: translateY(-3px); }
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-2)); color: #1f2937;
  box-shadow: 0 16px 30px rgba(245,158,11,.24);
}
.btn-secondary {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  color: var(--text);
}
.btn-block { width: 100%; }

.hero, .page-hero {
  position: relative;
  overflow: hidden;
}
.hero {
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: 120px 0 40px;
}
.hero-media, .page-hero-media {
  position: absolute; inset: 0;
  transform: scale(1.05);
}
.hero-home .hero-media {
  background: linear-gradient(180deg, rgba(6,10,18,.22), rgba(6,10,18,.82) 75%, rgba(6,10,18,.96) 100%), url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=1800&q=80') center/cover no-repeat;
}
.page-hero {
  min-height: 62vh;
  display: flex;
  align-items: end;
  padding: 130px 0 50px;
}
.page-hero-shade, .hero-shade {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 15% 20%, rgba(245,158,11,.16), transparent 25%), radial-gradient(circle at 80% 20%, rgba(251,191,36,.12), transparent 20%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,0));
}
.hero-layout {
  width: 100%; display: grid; grid-template-columns: 1.06fr .94fr; gap: 30px; align-items: center;
}
.hero-copy h1, .page-hero-content h1, .section-head h2, .content-block h2, .cta-panel h2, .service-large h2, .project-content h2, .contact-info h2 {
  letter-spacing: -.05em; line-height: .98;
}
.hero-copy h1 {
  font-size: clamp(3rem, 6vw, 6.4rem);
  max-width: 10.5ch;
  margin-bottom: 22px;
  text-shadow: 0 10px 34px rgba(0,0,0,.24);
}
.hero-copy h1 span, .page-hero-content h1 span {
  background: linear-gradient(135deg, #fff, var(--gold-3) 45%, var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.page-hero-content h1 {
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  max-width: 12ch;
  margin-bottom: 16px;
}
.hero-copy p, .page-hero-content p, .section-head p, .content-block p, .service-card p, .testimonial-card p, .cta-panel p, .contact-info p, .project-content p, .service-large p {
  color: var(--muted);
}
.hero-copy p { max-width: 650px; font-size: 1.08rem; margin-bottom: 28px; }
.page-hero-content p { max-width: 620px; font-size: 1.04rem; }
.eyebrow, .section-tag, .mini-tag {
  display: inline-flex; align-items: center; padding: 9px 14px; border-radius: 999px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); color: var(--gold-3);
}
.eyebrow, .section-tag { margin-bottom: 18px; }
.mini-tag { margin-bottom: 14px; font-size: .8rem; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 28px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.metric, .glass, .intro-band, .content-block, .service-card, .testimonial-card, .cta-panel, .service-large, .project-showcase, .contact-info, .contact-form {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.metric {
  padding: 20px; border-radius: 20px;
}
.metric strong { display:block; font-size:1.8rem; line-height:1; margin-bottom:8px; }
.hero-panel { position: relative; min-height: 520px; }
.floating-card {
  position: absolute; max-width: 320px; padding: 22px; border-radius: 24px;
}
.floating-card.top { top: 10%; right: 6%; }
.floating-card.bottom { bottom: 6%; right: 0; }
.floating-card h3 { margin-bottom: 8px; }

.section { padding: 94px 0; position: relative; }
.section-overlap { margin-top: -30px; z-index: 3; }
.intro-band {
  border-radius: 30px; padding: 32px; display:grid; grid-template-columns: 1fr .9fr; gap: 24px;
}
.section-head {
  display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 32px;
}
.section-head h2, .content-block h2, .cta-panel h2, .contact-info h2 { font-size: clamp(2rem, 3vw, 3.4rem); max-width: 12ch; }
.section-head p { max-width: 560px; }
.cards-grid { display: grid; gap: 18px; }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.service-card, .testimonial-card, .service-large, .project-showcase { border-radius: var(--radius); }
.service-card {
  padding: 28px; position: relative; overflow: hidden; transition: .28s ease;
}
.service-card::before {
  content:''; position:absolute; inset:0; background: radial-gradient(circle at top right, rgba(245,158,11,.14), transparent 35%); pointer-events:none;
}
.service-card:hover, .testimonial-card:hover, .project-showcase:hover, .service-large:hover { transform: translateY(-8px); border-color: rgba(251,191,36,.35); }
.card-index {
  display:inline-flex; margin-bottom:16px; color: var(--gold-3); font-weight: 800; font-size: .95rem;
}
.service-card h3 { font-size: 1.18rem; margin-bottom: 10px; }
.text-link { display:inline-block; margin-top:16px; color: var(--gold-3); font-weight: 700; }
.alt-surface { background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)); }
.split-layout { display:grid; grid-template-columns: .96fr 1.04fr; gap: 20px; align-items: stretch; }
.visual-block { position:relative; min-height: 520px; }
.visual-image {
  position:absolute; inset:0; border-radius: 30px; border:1px solid rgba(255,255,255,.08); box-shadow: var(--shadow);
}
.chantier-one { background: linear-gradient(180deg, rgba(2,6,23,.16), rgba(2,6,23,.76)), url('https://images.unsplash.com/photo-1489515217757-5fd1be406fef?auto=format&fit=crop&w=1400&q=80') center/cover; }
.chantier-two { background: linear-gradient(180deg, rgba(2,6,23,.16), rgba(2,6,23,.76)), url('https://images.unsplash.com/photo-1460317442991-0ec209397118?auto=format&fit=crop&w=1400&q=80') center/cover; }
.chantier-three { background: linear-gradient(180deg, rgba(2,6,23,.16), rgba(2,6,23,.76)), url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=1400&q=80') center/cover; }
.chantier-four { background: linear-gradient(180deg, rgba(2,6,23,.16), rgba(2,6,23,.76)), url('https://images.unsplash.com/photo-1517581177682-a085bb7ffb15?auto=format&fit=crop&w=1400&q=80') center/cover; }
.chantier-five { background: linear-gradient(180deg, rgba(2,6,23,.16), rgba(2,6,23,.76)), url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?auto=format&fit=crop&w=1400&q=80') center/cover; }
.chantier-six { background: linear-gradient(180deg, rgba(2,6,23,.16), rgba(2,6,23,.76)), url('https://images.unsplash.com/photo-1494526585095-c41746248156?auto=format&fit=crop&w=1400&q=80') center/cover; }
.info-chip {
  position:absolute; left:24px; bottom:24px; padding:16px 18px; border-radius:18px; max-width:320px;
}
.content-block { padding: 36px; border-radius: 30px; }
.content-block p { margin-bottom: 16px; }
.bullet-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; margin-top: 18px; }
.bullet { padding: 15px 16px; border-radius: 16px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); }
.testimonial-card { padding: 26px; transition: .28s ease; }
.testimonial-card p { margin-bottom: 18px; }
.testimonial-meta { display:grid; gap: 2px; }
.testimonial-meta span { color: var(--gold-3); font-size: .92rem; }
.cta-zone { padding-bottom: 110px; }
.cta-panel {
  padding: 36px; border-radius: 32px; display:grid; grid-template-columns: 1.1fr .9fr; gap: 20px;
  background: linear-gradient(135deg, rgba(245,158,11,.16), rgba(12,23,38,.88));
}
.cta-actions { display:flex; gap: 14px; align-items:center; justify-content:flex-end; flex-wrap: wrap; }
.site-footer { border-top: 1px solid rgba(255,255,255,.08); padding: 26px 0 40px; }
.footer-wrap { display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; color: var(--muted); }
.footer-links { display:flex; gap:18px; flex-wrap:wrap; }

.compact-hero .page-hero-content { padding-bottom: 20px; }
.service-large { padding: 30px; }
.service-large p { margin-bottom: 16px; }
.feature-list { list-style: none; display:grid; gap:10px; color: var(--muted); }
.masonry-grid { display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:18px; }
.project-showcase { overflow:hidden; transition: .28s ease; }
.project-photo { height: 260px; }
.project-content { padding: 24px; }
.project-meta { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:12px; }
.project-meta span {
  padding: 7px 12px; border-radius: 999px; background: rgba(245,158,11,.14); border: 1px solid rgba(245,158,11,.24); color: var(--gold-3); font-size: .85rem; font-weight: 600;
}
.contact-layout { display:grid; grid-template-columns: .9fr 1.1fr; gap: 20px; }
.contact-info, .contact-form { padding: 32px; border-radius: 30px; }
.contact-points { display:grid; gap:16px; margin-top: 24px; }
.contact-points strong, .field label { display:block; margin-bottom:5px; }
.contact-points a, .contact-points span { color: var(--muted); }
.form-grid { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; margin-bottom: 18px; }
.field.full { grid-column: 1 / -1; }
.field input, .field textarea {
  width:100%; border-radius: 16px; border:1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.05); color: var(--text); padding: 15px 16px; outline: none;
}
.field input::placeholder, .field textarea::placeholder { color: rgba(203,213,225,.7); }
.field input:focus, .field textarea:focus { border-color: rgba(251,191,36,.5); box-shadow: 0 0 0 4px rgba(245,158,11,.08); }

.reveal { opacity: 0; transform: translateY(38px) scale(.98); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0) scale(1); }

@media (max-width: 1180px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .masonry-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .hero-layout, .split-layout, .contact-layout, .cta-panel, .intro-band { grid-template-columns: 1fr; }
  .hero-panel { min-height: 340px; }
}
@media (max-width: 860px) {
  .menu-btn { display: inline-grid; place-items: center; }
  .nav {
    position: absolute; top: 88px; left: 16px; right: 16px; display: none; flex-direction: column; align-items:flex-start;
    padding: 18px; border-radius: 20px; background: rgba(7,16,27,.96); border:1px solid rgba(255,255,255,.08);
  }
  .nav.open { display:flex; }
  .nav-actions .btn-primary { display:none; }
  .hero { min-height: auto; padding-top: 120px; }
  .hero-layout, .hero-stats, .grid-3, .grid-2, .masonry-grid, .cards-grid, .bullet-grid, .form-grid { grid-template-columns: 1fr; }
  .section-head, .footer-wrap { flex-direction: column; align-items:flex-start; }
  .floating-card { max-width: 240px; }
  .section { padding: 78px 0; }
  .content-block, .contact-info, .contact-form, .cta-panel, .intro-band { padding: 24px; }
  .project-photo { height: 220px; }
  .page-hero { min-height: 52vh; }
}
@media (max-width: 560px) {
  .container { width: min(calc(100% - 24px), var(--container)); }
  .brand-copy small { display:none; }
  .hero-copy h1 { font-size: clamp(2.5rem, 10vw, 4rem); }
  .page-hero-content h1 { font-size: clamp(2.2rem, 9vw, 3.4rem); }
  .btn { width: 100%; }
  .hero-buttons, .cta-actions { width:100%; }
  .cta-actions .btn { width: 100%; }
}