/* Custom CSS
   Tailwind utility classes are used in index.html.
   This file contains the site's reusable custom components and effects.
*/

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

#site-header {
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-link {
  display: inline-block;
  padding: 0.5rem 0;
  color: #cbd5e1;
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #22d3ee;
}

.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.9rem;
  padding: 0.8rem 1.25rem;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.primary-btn {
  background: #22d3ee;
  color: #082f49;
}

.primary-btn:hover {
  transform: translateY(-2px);
  background: #67e8f9;
}

.secondary-btn {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: #e2e8f0;
}

.secondary-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 211, 238, 0.5);
  background: rgba(34, 211, 238, 0.08);
}

.tag {
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.45rem 0.8rem;
}

.photo-frame {
  position: relative;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 4 / 5;
  margin-inline: auto;
  overflow: hidden;
  border-radius: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #0f172a;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.35),
    0 0 0 8px rgba(34, 211, 238, 0.04);
}

.photo-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 60%, rgba(2, 6, 23, 0.28));
}

.section-pad {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.section-kicker {
  color: #22d3ee;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.section-title {
  margin-top: 0.5rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.info-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 1.5rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.info-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.28);
}

.info-card .icon {
  display: grid;
  width: 2.8rem;
  height: 2.8rem;
  place-items: center;
  border-radius: 0.9rem;
  background: rgba(34, 211, 238, 0.1);
  color: #67e8f9;
  font-size: 1.25rem;
}

.info-card h3 {
  margin-top: 1rem;
  font-size: 1.15rem;
  font-weight: 800;
}

.info-card p {
  margin-top: 0.5rem;
  color: #94a3b8;
  line-height: 1.7;
}

@media (max-width: 767px) {
  .section-pad {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }

  .photo-frame {
    max-width: 430px;
  }
}