:root {
  --bg: #080d18;
  --bg-soft: #0d1424;
  --panel: rgba(18, 28, 48, .82);
  --panel-border: rgba(148, 163, 184, .16);
  --text: #f4f7fb;
  --muted: #a8b3c7;
  --accent: #63d3ff;
  --accent-2: #8b7cff;
  --max: 1080px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 80% 10%, rgba(99, 211, 255, .10), transparent 34rem),
    radial-gradient(circle at 10% 35%, rgba(139, 124, 255, .10), transparent 28rem),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.narrow { max-width: 760px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(8, 13, 24, .76);
  border-bottom: 1px solid rgba(148, 163, 184, .10);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: .02em;
  margin-right: auto;
}

nav {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: .94rem;
}

.lang-button {
  border: 1px solid var(--panel-border);
  background: rgba(255,255,255,.04);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
}

.lang-button:hover { border-color: rgba(99, 211, 255, .45); }

.hero {
  min-height: 72vh;
  display: grid;
  place-items: center;
  padding: 100px 0 84px;
}

.hero-inner { max-width: 900px; }

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .76rem;
  font-weight: 800;
  margin: 0 0 12px;
}

h1, h2, h3 {
  line-height: 1.12;
  margin-top: 0;
}

h1 {
  font-size: clamp(3rem, 8vw, 6.5rem);
  letter-spacing: -.055em;
  margin-bottom: 26px;
  max-width: 980px;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  letter-spacing: -.035em;
  margin-bottom: 18px;
}

h3 {
  font-size: 1.45rem;
  margin-bottom: 12px;
}

.hero-copy {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  margin-bottom: 34px;
}

.hero-actions, .card-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 12px;
  font-weight: 700;
  border: 1px solid transparent;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), #6fa8ff);
  color: #06111a;
}

.button.primary:hover {
  color: #06111a;
  filter: brightness(1.08);
}

.button.secondary {
  border-color: var(--panel-border);
  background: rgba(255,255,255,.035);
}

.section { padding: 88px 0; }

.section-muted {
  background: linear-gradient(180deg, rgba(255,255,255,.018), rgba(255,255,255,.03));
  border-top: 1px solid rgba(148, 163, 184, .08);
  border-bottom: 1px solid rgba(148, 163, 184, .08);
}

.section-heading { margin-bottom: 28px; }

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

.card {
  padding: 28px;
  border: 1px solid var(--panel-border);
  background: linear-gradient(180deg, rgba(18,28,48,.84), rgba(12,19,33,.9));
  border-radius: 22px;
  box-shadow: 0 18px 60px rgba(0,0,0,.18);
}

.card p, .section p {
  color: var(--muted);
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: .78rem;
}

.tag {
  color: #09111c;
  background: var(--accent);
  padding: 4px 9px;
  border-radius: 999px;
  font-weight: 800;
}

.status { text-align: right; }

.card-links {
  margin-top: 24px;
  font-weight: 700;
  color: var(--accent);
}

footer {
  border-top: 1px solid rgba(148, 163, 184, .09);
  color: var(--muted);
  padding: 30px 0 40px;
  font-size: .9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

@media (max-width: 720px) {
  nav { display: none; }
  .nav { gap: 12px; }
  .hero { min-height: auto; padding-top: 84px; }
  .project-grid { grid-template-columns: 1fr; }
  .section { padding: 68px 0; }
  .footer-inner { flex-direction: column; }
}