:root {
  --bg: #0c1117;
  --bg-soft: #151d27;
  --card: #1a2430;
  --text: #e8eef6;
  --muted: #a4b2c4;
  --line: #2f3a47;
  --accent: #45d6a8;
  --accent-2: #79b8ff;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(1200px 500px at 80% -10%, #1c2a39 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.topbar {
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  background: #0c1117d9;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1rem;
  z-index: 30;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.08em;
}

.menu {
  display: flex;
  gap: 1rem;
  color: var(--muted);
  font-weight: 500;
}
.menu a:hover { color: var(--text); }

.lang-switcher {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.lang {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0.35rem 0.7rem;
  cursor: pointer;
}

.lang.active {
  color: #071018;
  background: var(--accent);
  font-weight: 700;
}

main { max-width: 1160px; margin: 0 auto; padding: 1.2rem; }

.hero {
  min-height: 72vh;
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  padding: 2rem 0 1rem;
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8rem;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.08;
  margin: 0.5rem 0 1rem;
}

.lead { color: var(--muted); max-width: 62ch; }

.hero-cta { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-top: 1.2rem; }

.btn {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.72rem 1rem;
  font-weight: 700;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), #34b88d);
  color: #071018;
  border-color: transparent;
}

.btn.ghost:hover { border-color: var(--accent-2); color: var(--accent-2); }

.hero-media {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.45rem;
}

.hero-photo {
  width: min(460px, 95%);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 18px 40px #00000055;
}

.hero-caption {
  margin: 0;
  width: min(460px, 95%);
  color: var(--muted);
  font-size: 0.8rem;
  font-style: italic;
  text-align: right;
}
.section { padding: 3.5rem 0; }
.section.dark {
  background: linear-gradient(180deg, #0e151d, #131c27);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 0 -1.2rem;
  padding-left: 1.2rem;
  padding-right: 1.2rem;
}

.section-head h2 {
  font-size: clamp(1.4rem, 3.2vw, 2.2rem);
  margin: 0 0 0.5rem;
}
.section-head h2 .subnote {
  font-size: 0.48em;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.01em;
}
.section-head p { color: var(--muted); margin: 0; }

.grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.2rem;
}
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.services-grid { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

.card {
  background: linear-gradient(180deg, #1a2531, #141c26);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
}

.card h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); }

.badge {
  display: inline-block;
  font-size: 0.78rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  margin-bottom: 0.6rem;
  background: #243244;
  color: #b4dbff;
}

.cases-carousel {
  margin-top: 1.2rem;
  position: relative;
  min-height: 420px;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #0c131b;
}

.cases-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 800ms ease;
}

.cases-slide.active {
  opacity: 1;
}

.process-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-top: 1rem;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--line);
}

.timeline li {
  margin: 0 0 1rem 0.8rem;
  padding: 0.2rem 0 0.2rem 0.9rem;
  position: relative;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -1.45rem;
  top: 0.65rem;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
}

.timeline h3 { margin: 0; }

.timeline.legacy {
  opacity: 0.95;
  background: linear-gradient(180deg, #2a1c1c55, #1d171755);
  border-radius: 10px;
  padding: 0.5rem 0.5rem 0.2rem 0;
}

.timeline.legacy h3 {
  text-decoration: line-through;
  text-decoration-thickness: 3px;
  text-decoration-color: #ff5f5fcc;
  color: #c7ced8;
}

.timeline.fast h3 {
  color: var(--text);
}

.contact {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
  align-items: start;
}

.contact-box {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
}

#contact-card {
  display: block;
  width: 100%;
  max-width: 560px;
  min-height: 190px;
  border: 1px solid #2d3a48;
  border-radius: 12px;
  background: #0f161f;
}

.contact-note {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer {
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
  padding: 1rem;
}

@media (max-width: 960px) {
  .menu { display: none; }
  .hero, .contact, .process-columns { grid-template-columns: 1fr; }
  .grid.four, .grid.three { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .grid.four, .grid.three { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .cases-carousel { min-height: 260px; }
}