:root {
  --bg: #0f1115;
  --bg-soft: #171a20;
  --surface: rgba(255, 255, 255, 0.05);
  --surface-strong: #1d2129;
  --text: #f5f6f8;
  --muted: #b9c0cb;
  --line: rgba(255, 255, 255, 0.09);
  --primary: #d7b37b;
  --primary-strong: #f2c98b;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --radius-sm: 16px;
  --container: min(1180px, calc(100% - 32px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Tahoma, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(215, 179, 123, 0.12), transparent 30%),
    linear-gradient(180deg, #0f1115 0%, #10131a 100%);
  color: var(--text);
  line-height: 1.85;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: var(--container); margin: 0 auto; }
.section { padding: 96px 0; }
.section.alt { background: rgba(255, 255, 255, 0.02); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(215, 179, 123, 0.25);
  border-radius: 999px;
  color: var(--primary-strong);
  font-size: 0.92rem;
  margin-bottom: 18px;
}
.section-head { text-align: center; max-width: 840px; margin: 0 auto 42px; }
.section-head.inline-head {
  max-width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  text-align: right;
  margin-bottom: 34px;
}
.section-head.align-right { text-align: right; max-width: 100%; margin-bottom: 30px; }
.section-head h2 {
  margin: 0 0 14px;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.3;
}
.section-head p { margin: 0; color: var(--muted); }
.topbar {
  background: #0b0d10;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}
.topbar-inner {
  min-height: 44px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.topbar a { color: var(--primary-strong); }
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(15, 17, 21, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.logo { display: flex; align-items: center; gap: 14px; }
.logo strong { display: block; font-size: 1.15rem; }
.logo small { display: block; color: var(--muted); font-size: 0.86rem; }
.logo-badge {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #1f232b, #101319);
  color: var(--primary-strong);
  font-weight: 800;
  letter-spacing: 1px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), var(--shadow);
}
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a {
  position: relative;
  color: var(--muted);
  transition: color .2s ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -10px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--primary);
  transition: width .25s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 14px;
}
.hero {
  position: relative;
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/render-06-corridor-wide.webp');
  background-size: cover;
  background-position: center center;
  transform: scale(1.04);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8,10,14,.95) 0%, rgba(8,10,14,.78) 40%, rgba(8,10,14,.4) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr .75fr;
  gap: 28px;
  padding: 68px 0;
}
.hero-copy h1 {
  margin: 0 0 14px;
  font-size: clamp(2.2rem, 6vw, 4.3rem);
  line-height: 1.2;
}
.hero-copy h1 span { color: var(--primary-strong); }
.hero-copy p {
  max-width: 640px;
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 1.05rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 22px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 16px;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(145deg, #deb980, #c89d62);
  color: #17120b;
  box-shadow: 0 12px 30px rgba(201, 158, 96, .28);
}
.btn-secondary {
  background: rgba(255,255,255,.06);
  border-color: var(--line);
}
.hero-highlights {
  padding: 0;
  margin: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.hero-highlights li {
  color: #d7dde6;
  position: relative;
  padding-right: 20px;
}
.hero-highlights li::before {
  content: "•";
  position: absolute;
  right: 0;
  color: var(--primary);
}
.glass {
  background: rgba(20, 23, 30, .55);
  border: 1px solid rgba(255,255,255,.1);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}
.hero-card {
  border-radius: var(--radius);
  padding: 30px;
  align-self: end;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.stat-grid div {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
}
.stat-grid strong {
  display: block;
  font-size: 1.2rem;
  color: var(--primary-strong);
  margin-bottom: 6px;
}
.stat-grid span { color: var(--muted); font-size: 0.95rem; }
.cards { display: grid; gap: 20px; }
.services-grid { grid-template-columns: repeat(4, 1fr); }
.card {
  padding: 28px;
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 12px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); }
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}
.filter {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  border-radius: 999px;
  padding: 10px 16px;
}
.filter.active,
.filter:hover {
  background: rgba(215, 179, 123, .18);
  color: var(--text);
  border-color: rgba(215, 179, 123, .35);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.portfolio-item { min-width: 0; }
.portfolio-item.hidden { display: none; }
.portfolio-btn {
  width: 100%;
  padding: 0;
  border: 0;
  text-align: right;
  overflow: hidden;
  border-radius: 22px;
  background: #12161d;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.portfolio-btn img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform .45s ease;
}
.portfolio-btn:hover img { transform: scale(1.045); }
.portfolio-caption { padding: 18px 18px 20px; }
.portfolio-caption span {
  display: inline-block;
  font-size: .85rem;
  color: var(--primary-strong);
  margin-bottom: 8px;
}
.portfolio-caption h3 { margin: 0 0 8px; font-size: 1.08rem; }
.portfolio-caption p { margin: 0; color: var(--muted); font-size: .95rem; }
.process-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.timeline { display: grid; gap: 18px; }
.timeline-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line);
}
.timeline-item span {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: rgba(215,179,123,.16);
  color: var(--primary-strong);
  font-weight: 800;
  font-size: 1.2rem;
}
.timeline-item h3 { margin: 0 0 8px; }
.timeline-item p { margin: 0; color: var(--muted); }
.about-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 26px; align-items: start; }
.check-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 12px;
}
.check-list li {
  position: relative;
  padding-right: 24px;
  color: var(--muted);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  right: 0;
  color: var(--primary-strong);
  font-weight: 700;
}
.about-panel {
  padding: 28px;
  border-radius: var(--radius);
}
.about-panel h3 { margin-top: 0; }
.about-panel p,
.about-panel li { color: var(--muted); }
.cta-box {
  padding: 34px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(215,179,123,.15), rgba(255,255,255,.04));
  border: 1px solid rgba(215, 179, 123, .22);
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 22px;
  align-items: center;
}
.cta-box h2 { margin: 0 0 12px; }
.cta-box p { margin: 0; color: var(--muted); }
.cta-actions {
  display: grid;
  gap: 16px;
  justify-items: start;
}
.contact-card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.04);
}
.contact-card span { display: block; color: var(--muted); margin-top: 4px; }
.footer {
  padding: 26px 0;
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,.18);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer p { margin: 4px 0 0; color: var(--muted); }
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 11, .88);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 110;
}
.lightbox.active { display: flex; }
.lightbox-content {
  max-width: min(1100px, 100%);
  width: 100%;
  text-align: center;
}
.lightbox-content img {
  max-height: 80vh;
  margin: 0 auto 16px;
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.lightbox-content h3 { margin: 0; }
.lightbox-close {
  position: absolute;
  top: 24px;
  left: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
  color: #fff;
  font-size: 28px;
}

@media (max-width: 1050px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-content,
  .process-layout,
  .about-grid,
  .cta-box { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .menu-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    gap: 10px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(12, 14, 19, .97);
  }
  .nav-links.open { display: flex; }
  .section-head.inline-head { flex-direction: column; align-items: stretch; }
  .filters { justify-content: flex-start; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .topbar-inner,
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .hero { min-height: auto; }
  .hero-content { padding: 48px 0; }
  .stat-grid,
  .services-grid,
  .portfolio-grid { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 54px 1fr; }
  .timeline-item span { width: 54px; height: 54px; }
}