:root {
  --bg: #07111f;
  --bg-soft: #0c182b;
  --surface: #ffffff;
  --surface-dark: rgba(255, 255, 255, 0.08);
  --text: #f3f7ff;
  --text-dark: #0f172a;
  --muted: #b8c5dc;
  --muted-dark: #5b6475;
  --primary: #4f8cff;
  --primary-dark: #2b66d8;
  --secondary: #8a7dff;
  --accent: rgba(79, 140, 255, 0.12);
  --line: rgba(255, 255, 255, 0.12);
  --line-dark: rgba(15, 23, 42, 0.08);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  background:
    radial-gradient(circle at top left, rgba(79, 140, 255, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(138, 125, 255, 0.12), transparent 24%),
    var(--bg);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: rgba(7, 17, 31, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.logo span { color: var(--primary); }

.main-nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.main-nav a {
  color: rgba(243, 247, 255, 0.76);
  font-weight: 600;
}

.main-nav a:hover,
.main-nav a.active { color: #fff; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1.2rem;
}

.hero,
.page-hero {
  padding: 92px 0 54px;
  position: relative;
}

.page-hero.small { padding-bottom: 18px; }

.hero-premium {
  min-height: calc(100vh - 78px);
  display: flex;
  align-items: center;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(7, 17, 31, 0.96) 18%, rgba(7, 17, 31, 0.72) 48%, rgba(7, 17, 31, 0.82) 100%),
    url('https://images.unsplash.com/photo-1494412651409-8963ce7935a7?auto=format&fit=crop&w=1800&q=80') center/cover no-repeat;
  opacity: 0.88;
}

.hero-grid,
.split-grid,
.contact-grid,
.timeline-grid,
.premium-grid,
.immersive-grid,
.split-highlight,
.dark-photo-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  align-items: center;
}

.hero h1,
.page-hero h1,
.section-heading h2,
.split-grid h2,
.cta-box h2,
.timeline-grid h2,
.immersive-grid h2,
.split-highlight h2,
.dark-photo-copy h2 {
  margin: 0 0 18px;
  line-height: 1.03;
  letter-spacing: -0.05em;
}

.hero h1 { font-size: clamp(2.6rem, 5vw, 5.4rem); }
.page-hero h1,
.section-heading h2,
.split-grid h2,
.cta-box h2,
.timeline-grid h2,
.immersive-grid h2,
.split-highlight h2,
.dark-photo-copy h2 { font-size: clamp(1.9rem, 4vw, 3.4rem); }

.eyebrow,
.case-tag {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.eyebrow,
.case-tag {
  background: rgba(79, 140, 255, 0.14);
  color: #a9c6ff;
}

.eyebrow.light { background: rgba(255,255,255,0.08); color: #d6e6ff; }

.lead,
.hero-copy p,
.panel-note,
.photo-card figcaption,
.case-card p,
.service-item p,
.service-item li,
.contact-card p,
.timeline-card span,
.quote span,
.quote p {
  color: var(--muted);
}

.hero-copy,
.glass-card,
.feature-card,
.case-card,
.service-item,
.card,
.contact-card,
.contact-form,
.timeline-card,
.photo-card,
.result-card {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.floating-card,
.glass-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  border-radius: 28px;
}

.hero-copy {
  padding: 34px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 28px 0 26px;
}

.btn {
  min-height: 50px;
  padding: 0 22px;
  border-radius: 16px;
  border: 1px solid transparent;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.btn:hover { transform: translateY(-3px); }

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 20px 40px rgba(79, 140, 255, 0.28);
}

.btn-secondary {
  color: #fff;
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.12);
}

.light-btn {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.14);
}

.mini-kpis,
.hero-stats,
.cards-grid,
.footer-grid,
.case-metrics,
.photo-grid,
.feature-showcase,
.result-cards {
  display: grid;
  gap: 18px;
}

.mini-kpis {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mini-kpis div,
.hero-stats li,
.metric-panel,
.result-card,
.case-metrics div {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
}

.mini-kpis strong,
.result-card strong,
.case-metrics strong,
.hero-stats strong,
.metric-line b {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.hero-visual {
  display: grid;
  gap: 18px;
}

.hero-slider {
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  min-height: 430px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.7s ease;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
}

.hero-slide img {
  width: 100%;
  min-height: 430px;
  object-fit: cover;
}

.visual-overlay {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(7, 17, 31, 0.64);
  backdrop-filter: blur(12px);
}

.visual-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.slider-dots {
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 3;
  display: flex;
  gap: 10px;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: 0;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
}

.slider-dot.active {
  background: #fff;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.16);
}

.stat-float {
  padding: 18px 20px;
  border-radius: 22px;
}

.icon-card {
  display: flex;
  align-items: center;
  gap: 14px;
}

.icon-badge {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-weight: 900;
  flex: 0 0 auto;
}

.icon-badge.large {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  margin-bottom: 14px;
  font-size: 1.1rem;
}

.stat-float.dark { background: rgba(11, 20, 35, 0.78); }

.section {
  padding: 54px 0;
  position: relative;
}

.section-premium { background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent); }

.center { text-align: center; }
.section-heading { margin-bottom: 30px; }

.feature-showcase,
.cards-grid,
.photo-grid,
.premium-service-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.premium-service-grid {
  display: grid;
  gap: 22px;
}

.service-tile {
  background: #fff;
  color: var(--text-dark);
  border: 1px solid var(--line-dark);
  border-radius: 28px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.service-tile ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted-dark);
}

.premium-subhero {
  padding-top: 86px;
}

.premium-case-card {
  background: #fff;
  color: var(--text-dark);
}

.stats-premium-grid {
  display: grid;
  gap: 22px;
}

.editorial-grid {
  align-items: stretch;
}

.premium-contact-grid {
  align-items: stretch;
}

.premium-timeline {
  align-items: start;
}

.premium-checks div {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
}

.feature-banner {
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  background: #fff;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.feature-banner img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}

.feature-banner figcaption {
  padding: 20px 24px 24px;
  color: var(--muted-dark);
}

.inline-photo {
  margin: 0 0 20px;
  overflow: hidden;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.inline-photo img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
}

.compact-photo img {
  max-height: 220px;
}

.feature-card,
.photo-card,
.card,
.case-card,
.service-item,
.contact-card,
.contact-form,
.timeline-card {
  overflow: hidden;
  border-radius: 28px;
  background: #fff;
  color: var(--text-dark);
}

.feature-card,
.photo-card {
  display: flex;
  flex-direction: column;
}

.feature-card img,
.photo-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  flex: 0 0 auto;
}

.feature-content,
.metric-card,
.route-card,
.card,
.contact-card,
.contact-form,
.timeline-card,
.service-item,
.case-card,
.photo-card figcaption {
  padding: 22px;
}

.photo-card figcaption {
  min-height: 92px;
  background: #fff;
  flex: 1 1 auto;
}

.icon-top-card .feature-content {
  position: relative;
  margin-top: -12px;
}

.feature-card h3,
.card h3,
.service-item h2,
.contact-card h2,
.case-card h2 { margin-top: 0; margin-bottom: 10px; }

.immersive-band,
.dark-photo-section {
  padding: 70px 0;
  background:
    linear-gradient(135deg, rgba(9, 20, 38, 0.96), rgba(12, 22, 42, 0.92)),
    url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=1800&q=80') center/cover no-repeat;
}

.metric-panel { padding: 24px; }
.metric-line {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.metric-line:last-child { border-bottom: 0; }

.result-cards { grid-template-columns: 1fr; }
.glow-card {
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.16), rgba(138, 125, 255, 0.14));
  color: #fff;
}

.dark-photo-grid { align-items: stretch; }
.dark-photo-collage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.dark-photo-collage img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  border-radius: 26px;
  box-shadow: var(--shadow);
}
.photo-a { transform: translateY(18px); }
.photo-b { transform: translateY(-18px); }

.hero-stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
  padding: 0;
  margin: 0;
}

.route-item,
.timeline-card div,
.task-list li {
  border-bottom: 1px solid var(--line-dark);
}
.route-item:last-child,
.timeline-card div:last-child,
.task-list li:last-child { border-bottom: 0; }
.route-item { display: flex; justify-content: space-between; gap: 12px; padding: 14px 0; }

.footer-grid {
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
}

.site-footer {
  padding: 42px 0;
  background: #050c18;
  color: rgba(255,255,255,0.78);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.site-footer h4 { color: #fff; margin-top: 0; }
.site-footer a,
.site-footer p { display: block; margin: 8px 0; }

.service-list,
.case-stack { display: grid; gap: 22px; }
.service-item,
.case-card {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 20px;
}

.service-item ul { margin: 0; padding-left: 18px; }
.contact-form,
.timeline-card { display: grid; gap: 14px; }
.timeline-card div { padding-bottom: 14px; }
.contact-form label { display: grid; gap: 8px; font-weight: 600; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line-dark);
  background: #fff;
  font: inherit;
}

.photo-card.large {
  grid-column: span 2;
  grid-row: span 1;
}

.photo-card.large img {
  height: 360px;
}

.photo-card img { transition: transform 0.7s ease; }
.photo-card:hover img,
.feature-card:hover img,
.hero-slide.active img { transform: scale(1.02); }

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.tilt-card {
  transform-style: preserve-3d;
  perspective: 1200px;
  transition: transform 0.45s ease, box-shadow 0.45s ease, filter 0.45s ease;
}
.tilt-card:hover {
  transform: translateY(-10px) rotateX(4deg) rotateY(-4deg) scale(1.015);
  box-shadow: 0 42px 90px rgba(0,0,0,0.36);
  filter: saturate(1.05);
}

.pulse-card {
  animation: pulseGlow 3.4s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 rgba(79, 140, 255, 0.18); }
  50% { box-shadow: 0 0 40px rgba(79, 140, 255, 0.26); }
}

@media (max-width: 980px) {
  .premium-grid,
  .hero-grid,
  .split-grid,
  .contact-grid,
  .timeline-grid,
  .immersive-grid,
  .split-highlight,
  .dark-photo-grid,
  .service-item,
  .case-card,
  .feature-showcase,
  .cards-grid,
  .photo-grid,
  .footer-grid,
  .mini-kpis,
  .hero-stats,
  .visual-stack,
  .dark-photo-collage,
  .premium-service-grid {
    grid-template-columns: 1fr;
  }

  .photo-card.large {
    grid-column: span 1;
    grid-row: span 1;
  }

  .photo-card figcaption {
    min-height: auto;
  }

  .main-nav {
    position: absolute;
    top: 78px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    gap: 16px;
    padding: 18px;
    border-radius: 22px;
    background: rgba(7, 17, 31, 0.96);
    border: 1px solid var(--line);
  }

  .main-nav.open { display: flex; }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .photo-a,
  .photo-b { transform: none; }
}