:root {
  --bg: #0b1020;
  --surface: #121a31;
  --surface-2: #182243;
  --text: #e7edff;
  --muted: #9caad6;
  --accent: #6ea8fe;
  --accent-strong: #4f8eff;
  --border: #26335f;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family:
    Inter,
    Segoe UI,
    Roboto,
    Arial,
    sans-serif;
  background: radial-gradient(circle at top, #172850 0%, var(--bg) 45%);
  color: var(--text);
  min-height: 100%;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(6px);
  background: color-mix(in srgb, var(--bg), transparent 25%);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.3px;
  font-size: 1.25rem;
}

.nav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.55rem 0.85rem;
  border-radius: 0.6rem;
  transition: 0.2s ease;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
  background: var(--surface-2);
}

.hero {
  margin: 2rem 0 1.4rem;
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(165deg, #131e3d 0%, #101831 100%);
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 2.5vw, 2.4rem);
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  padding-bottom: 2rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: 0.95rem;
  background: var(--surface);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card-content {
  padding: 0.9rem;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  color: #b9d2ff;
  background: #22376d;
  border: 1px solid #335394;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  margin-bottom: 0.6rem;
}

.card h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}

.meta {
  margin: 0.18rem 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.card-bottom {
  margin-top: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.btn-add {
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--text);
  border-radius: 0.65rem;
  padding: 0.4rem 0.62rem;
  cursor: pointer;
}

.btn-add:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.contact {
  margin: 0 0 1.4rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem;
  background: color-mix(in srgb, var(--surface), #ffffff 2%);
}

.contact p {
  margin: 0.4rem 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
  padding: 1.2rem 0;
  font-size: 0.9rem;
}