:root {
  color-scheme: light;
  --aqua: #087fac;
  --aqua-dark: #07566f;
  --ink: #17303a;
  --muted: #61747c;
  --line: #d8e4e8;
  --surface: #ffffff;
  --wash: #eef8fb;
  --shadow: 0 18px 48px rgba(18, 70, 88, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top right, rgba(8, 127, 172, 0.14), transparent 30rem),
    #f4f8f9;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

.poster-shell {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.hero {
  padding: clamp(28px, 5vw, 64px);
  border: 1px solid rgba(8, 127, 172, 0.2);
  border-radius: 28px;
  background: linear-gradient(160deg, var(--wash), var(--surface));
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  font-weight: 700;
  color: var(--aqua-dark);
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
}

.hero-copy {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
}

.summary {
  margin: 18px 0 0;
  font-weight: 600;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.controls label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.controls select {
  font: inherit;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  min-width: 180px;
}

.grid-poster {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

.kartu-poster {
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.thumb-poster {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: left center;
}

.badan-poster {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.badan-poster h3 {
  margin: 0;
  font-size: 17px;
}

.chip-fmt {
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--wash);
  border: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--aqua-dark);
  font-weight: 600;
}

.tombol-unduh {
  display: inline-block;
  text-align: center;
  padding: 9px 14px;
  border-radius: 10px;
  background: var(--aqua);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}

.tombol-unduh:hover {
  background: var(--aqua-dark);
}

@media (max-width: 480px) {
  .poster-shell {
    width: calc(100% - 20px);
    padding-top: 28px;
  }

  .grid-poster {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
  }
}