*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #050816;
  color: #f9fafb;
  -webkit-font-smoothing: antialiased;
}

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

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(5, 8, 22, 0.96), rgba(5, 8, 22, 0.85), transparent);
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  background: radial-gradient(circle at 20% 20%, #38bdf8, #2563eb 55%, #0f172a);
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.7);
}

.brand-text {
  font-size: 0.95rem;
  color: #e5e7eb;
}

.nav {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
}

.nav a {
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  color: #cbd5f5;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav a:hover {
  background: rgba(148, 163, 184, 0.16);
  color: #f9fafb;
}

.hero {
  padding: 3.25rem 0 2.5rem;
  background:
    radial-gradient(circle at 0% 0%, rgba(56, 189, 248, 0.16), transparent 55%),
    radial-gradient(circle at 100% 0%, rgba(239, 68, 68, 0.1), transparent 55%),
    radial-gradient(circle at 50% 100%, rgba(59, 130, 246, 0.14), transparent 55%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: 2.25rem;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  color: #a5b4fc;
  margin-bottom: 0.45rem;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2.1rem, 3vw, 2.6rem);
  letter-spacing: 0.03em;
}

.hero-subtitle {
  margin: 0;
  max-width: 30rem;
  font-size: 0.95rem;
  color: #cbd5f5;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.4rem 0 1.6rem;
}

.hero-pill {
  padding: 0.45rem 0.7rem;
  border-radius: 0.9rem;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.4);
  min-width: 90px;
}

.pill-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #9ca3af;
}

.pill-value {
  font-size: 0.95rem;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.55rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease,
    transform 0.1s ease;
}

.btn.primary {
  background: linear-gradient(to right, #38bdf8, #2563eb);
  color: #0b1020;
  box-shadow:
    0 0 18px rgba(56, 189, 248, 0.8),
    0 10px 40px rgba(15, 23, 42, 0.9);
}

.btn.primary:hover {
  transform: translateY(-1px);
}

.btn.ghost {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.6);
  color: #e5e7eb;
}

.btn.ghost:hover {
  background: rgba(15, 23, 42, 0.85);
}

.hero-card {
  background: rgba(15, 23, 42, 0.96);
  border-radius: 1.1rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
  padding: 1.5rem 1.4rem;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.9);
}

.hero-card h2 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
}

.profile-list {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1.5rem;
  font-size: 0.85rem;
}

.profile-list dt {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #9ca3af;
}

.profile-list dd {
  margin: 0.12rem 0 0;
  font-weight: 500;
}

.section {
  padding: 2.75rem 0 2.5rem;
}

.section.alt {
  background: radial-gradient(circle at 0% 0%, rgba(15, 23, 42, 0.9), #020617);
}

.section-header {
  margin-bottom: 1.75rem;
}

.section-header h2 {
  margin: 0 0 0.4rem;
  font-size: 1.35rem;
}

.section-header p {
  margin: 0;
  color: #9ca3af;
  font-size: 0.9rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.cards-grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: rgba(15, 23, 42, 0.95);
  border-radius: 1rem;
  border: 1px solid rgba(51, 65, 85, 0.9);
  padding: 1.1rem 1rem;
}

.card h3 {
  margin: 0 0 0.6rem;
  font-size: 1rem;
}

.metric-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.88rem;
  color: #d1d5db;
}

.metric-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.35rem;
}

.metric-list span {
  color: #9ca3af;
}

.highlight-layout {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 1.5rem;
}

.video-frame {
  border-radius: 1rem;
  border: 1px dashed rgba(148, 163, 184, 0.7);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.85);
}

.video-placeholder {
  margin: 0;
  text-align: center;
  font-size: 0.9rem;
  color: #9ca3af;
}

.highlight-notes .metric-list {
  margin-bottom: 0.75rem;
}

.highlight-link {
  font-size: 0.9rem;
}

.small-text {
  margin-top: 0.8rem;
  font-size: 0.8rem;
  color: #9ca3af;
}

.site-footer {
  border-top: 1px solid rgba(15, 23, 42, 1);
  padding: 1.1rem 0 1.3rem;
  background: #020617;
}

.footer-inner {
  text-align: center;
  font-size: 0.8rem;
  color: #6b7280;
}

.footer-note {
  margin-top: 0.2rem;
  color: #4b5563;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-card {
    order: -1;
  }

  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .highlight-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    gap: 0.6rem;
    align-items: flex-start;
  }

  .nav {
    flex-wrap: wrap;
    gap: 0.4rem;
  }

  .cards-grid,
  .cards-grid.two-col {
    grid-template-columns: minmax(0, 1fr);
  }

  .profile-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 2.3rem;
  }
}