:root {
  color-scheme: dark;
  --bg: #070b1a;
  --surface: rgba(14, 22, 49, 0.95);
  --surface-soft: rgba(20, 30, 62, 0.9);
  --text: #f4f8ff;
  --muted: #93a4c3;
  --accent: #5bb7ff;
  --accent-strong: #6ee2ff;
  --primary: #1b2a75;
  --shadow: 0 30px 80px rgba(4, 8, 19, 0.28);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at top, rgba(93, 144, 255, 0.16), transparent 32%),
    radial-gradient(circle at bottom right, rgba(73, 213, 255, 0.08), transparent 18%),
    linear-gradient(180deg, #07101f 0%, #04070f 100%);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  line-height: 1.6;
}

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

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  padding: 0.9rem 1.6rem;
  font-weight: 700;
  cursor: pointer;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #031026;
  box-shadow: 0 20px 48px rgba(38, 134, 255, 0.22);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.top-poster {
  display: block;
  position: relative;
  overflow: hidden;
}

.top-poster img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  padding: clamp(2rem, 4vw, 4rem);
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.7rem 1rem;
  border-radius: 999px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--accent-strong);
  margin-bottom: 1.2rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 5vw, 4.4rem);
  line-height: 1.02;
  margin: 0;
}

.hero-copy {
  margin: 1.4rem 0 2rem;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-flag {
  display: flex;
  justify-content: flex-end;
}

.flag-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
  border-radius: 2rem;
  padding: 2rem 1.8rem;
  text-align: center;
  min-width: 170px;
}

.flag-card span {
  font-size: 3rem;
  display: block;
}

.flag-card p {
  margin: 1rem 0 0;
  color: var(--muted);
}

.section {
  padding: clamp(2rem, 4vw, 3.5rem) clamp(1.5rem, 4vw, 5rem);
}

.intro {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.stats-grid,
.feature-grid,
.gallery-grid {
  display: grid;
  gap: 1.5rem;
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat-card,
.feature-grid article,
.gallery figure,
.callout {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.stat-card {
  padding: 1.75rem;
  text-align: center;
}

.stat-card strong {
  display: block;
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--accent-strong);
}

.stat-card span {
  color: var(--muted);
}

.features h2,
.gallery h2 {
  margin-bottom: 1.25rem;
}

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

.feature-grid article {
  padding: 1.75rem;
}

.feature-grid h3 {
  margin-top: 0;
}

.feature-grid p {
  color: var(--muted);
}

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

.gallery figure {
  overflow: hidden;
  border-radius: 26px;
  margin: 0;
  padding: 0;
}

.gallery svg {
  display: block;
  width: 100%;
  height: auto;
}

.gallery figcaption {
  padding: 1rem 1.25rem 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem;
}

.callout h2 {
  margin: 0 0 0.8rem;
}

.callout p {
  margin: 0;
  color: var(--muted);
  max-width: 45rem;
}

footer {
  padding: 2rem 5rem;
  text-align: center;
  color: var(--muted);
}

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

  .hero-flag {
    justify-content: flex-start;
  }

  .gallery-grid,
  .feature-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .section,
  .hero,
  footer {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .hero h1 {
    font-size: 2.75rem;
  }

  .callout {
    flex-direction: column;
    text-align: left;
  }
}