:root {
  --bg: #07090d;
  --surface: #0f131b;
  --surface-soft: #171d29;
  --text: #e9edf5;
  --muted: #a6b0c2;
  --line: #222a38;
  --accent: #5ac8ff;
  --accent-2: #8b5cf6;
  --success: #4ade80;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.45;
  pointer-events: none;
}

main,
.site-header,
.site-footer {
  position: relative;
  z-index: 1;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.logo-mark {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border-radius: 12px;
  background: color-mix(in oklab, var(--surface-soft) 82%, #000 18%);
  border: 1px solid #334059;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.logo-mark svg {
  width: 30px;
  height: 30px;
  display: block;
}

.logo-text {
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text);
}

.hero {
  min-height: 78vh;
  display: grid;
  align-content: center;
  gap: 1.1rem;
  padding: 3rem 0;
}

.tag {
  margin: 0;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4.2vw, 4.2rem);
  line-height: 1.08;
  max-width: 15ch;
}

.gradient-text {
  display: block;
  margin-top: 0.35rem;
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-2) 55%, var(--success) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-description {
  margin: 0;
  color: var(--muted);
  max-width: 62ch;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  padding: 0.7rem 1rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #03060f;
  background: linear-gradient(120deg, var(--accent), #96e8ff);
  box-shadow: 0 10px 30px rgba(90, 200, 255, 0.2);
}

.btn-secondary {
  color: #eaf0ff;
  background: linear-gradient(120deg, #2a3142, #3a4560);
  border-color: #4f5c79;
}

.btn-ghost {
  color: var(--text);
  border-color: #3b455b;
  background: rgba(255, 255, 255, 0.02);
}

.card {
  background: linear-gradient(180deg, color-mix(in oklab, var(--surface) 94%, #fff 6%), var(--surface));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.4rem;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.28);
}

h2 {
  margin-top: 0;
  font-size: 1.3rem;
}

h3 {
  margin-bottom: 0.35rem;
}

p {
  line-height: 1.6;
}

.muted {
  color: var(--muted);
}

.meta-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.meta-list a {
  color: var(--text);
}

.contact-card {
  margin-bottom: 2.5rem;
}

.contact-section {
  margin-top: 1.4rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
}

.contact-grid a {
  text-decoration: none;
  border: 1px solid #303a4c;
  border-radius: 14px;
  padding: 0.9rem;
  color: var(--text);
  background: color-mix(in oklab, var(--surface-soft) 86%, transparent);
  display: grid;
  gap: 0.3rem;
}

.contact-grid a:hover {
  border-color: var(--accent);
}

.contact-grid span {
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer {
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  padding: 1.3rem 0 2rem;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 860px) {
  .nav-links {
    gap: 0.75rem;
    font-size: 0.94rem;
  }

  .logo-text {
    display: none;
  }
}

@media (max-width: 560px) {
  .hero {
    min-height: auto;
    padding-top: 2.2rem;
    padding-bottom: 2.2rem;
  }

  .btn {
    min-width: 120px;
    flex: 1;
  }
}