/* SVD Labs — base styles */

:root {
  --bg: #0a0e14;
  --bg-alt: #0d1320;
  --surface: #111827;
  --border: #1f2a3c;
  --text: #e6edf3;
  --text-dim: #94a3b8;
  --accent: #00f0a8;
  --accent-dim: #0a3d31;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Background grid */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(0, 240, 168, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 168, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(10, 14, 20, 0.75);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 600;
}

.brand-mark { color: var(--accent); display: flex; }
.brand-accent { color: var(--accent); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

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

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.btn-small { padding: 8px 16px; font-size: 0.9rem; background: var(--accent); color: #04150f; }
.btn-small:hover { opacity: 0.9; }

.btn-primary { padding: 14px 26px; background: var(--accent); color: #04150f; font-size: 1rem; }
.btn-primary:hover { box-shadow: 0 0 24px rgba(0, 240, 168, 0.35); }

.btn-ghost { padding: 14px 26px; border-color: var(--border); color: var(--text); font-size: 1rem; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 18px;
  margin: 0 auto;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Hero */
.hero { padding: 120px 0 80px; }

.eyebrow {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.9rem;
  margin: 0 0 20px;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 24px;
  max-width: 900px;
}

.hero-sub {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 0 36px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }

.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}

.hero-stats div { display: flex; flex-direction: column; gap: 4px; }
.hero-stats strong { font-size: 1.8rem; font-family: var(--mono); color: var(--accent); }
.hero-stats span { color: var(--text-dim); font-size: 0.9rem; }

/* Sections */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1.9rem;
  margin: 0 0 16px;
}

.section-title .tag {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: 4px;
  padding: 2px 8px;
}

.section-lead {
  color: var(--text-dim);
  max-width: 680px;
  font-size: 1.05rem;
  margin: 0 0 48px;
}

/* Grids */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 22px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }

.card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  background: var(--accent-dim);
  border-radius: 8px;
  margin-bottom: 18px;
}

.card h3 { font-size: 1.1rem; margin: 0 0 10px; }
.card p { color: var(--text-dim); font-size: 0.95rem; margin: 0; }

/* Team profiles */
.profile-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}

.profile-head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }

.avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  object-fit: cover;
  border: 1px solid var(--border);
}

.profile-head h3 { margin: 0 0 4px; font-size: 1.15rem; }
.role { margin: 0; color: var(--accent); font-size: 0.9rem; font-family: var(--mono); }

.profile-card p { color: var(--text-dim); font-size: 0.95rem; margin: 0 0 18px; }

.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.tags li {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
}

/* Contact */
.contact-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.contact-intro { flex: 1; }
.contact-intro .section-lead { margin-bottom: 0; }
.contact-cards { margin-top: 8px; }

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px 26px;
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.contact-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.contact-name { font-weight: 600; }
.contact-detail { color: var(--accent); font-family: var(--mono); font-size: 0.9rem; }

.contact-card-single {
  flex-shrink: 0;
  width: 320px;
  align-items: center;
  text-align: center;
  padding: 32px 26px;
}

.contact-card-single .contact-name { font-size: 1.1rem; }
.contact-card-single .contact-detail { font-size: 1rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0; }
.footer-inner { display: flex; gap: 10px; color: var(--text-dim); font-size: 0.85rem; }
.footer-sep { opacity: 0.5; }

/* Responsive */
@media (max-width: 860px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 18px;
    display: none;
  }

  .site-nav.open { display: flex; }
  .site-nav .btn { margin-top: 6px; }

  .hero { padding: 96px 0 56px; }
  .hero-stats { gap: 32px; }
  .grid-4 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }

  .contact-wrap { flex-direction: column; align-items: stretch; gap: 28px; }
  .contact-card-single { width: 100%; }
}