:root {
  --bg: #f5f5f7;
  --panel: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(15, 23, 42, 0.08);
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", sans-serif;
  background:
    radial-gradient(circle at top, rgba(0, 113, 227, 0.06), transparent 25%),
    linear-gradient(180deg, #f7f7f9 0%, #efeff2 100%);
  color: var(--text);
}

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

.collection-header {
  padding: 40px 36px 20px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.collection-intro {
  max-width: 860px;
}

.collection-eyebrow {
  display: inline-flex;
  padding: 10px 16px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  color: #0071e3;
  font-weight: 600;
}

.collection-intro h1 {
  font-size: clamp(2.6rem, 6vw, 5.2rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
  margin-bottom: 16px;
}

.collection-intro p:last-child {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

.collection-main {
  padding: 10px 36px 48px;
}

.collection-story {
  margin-bottom: 28px;
}

.story-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.story-card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 22px 22px 24px;
  box-shadow: var(--shadow);
}

.story-card h2,
.story-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.story-card p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

.story-card.story-lead {
  grid-column: span 2;
}

.collection-grid {
  columns: 4 260px;
  column-gap: 18px;
}

.collection-tile {
  break-inside: avoid;
  margin-bottom: 18px;
  border-radius: 28px;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.collection-tile img {
  width: 100%;
  display: block;
}

.collection-tile figcaption {
  padding: 16px 18px 18px;
}

.collection-tile h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.collection-tile p {
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.92rem;
}

@media (max-width: 860px) {
  .collection-header,
  .collection-main {
    padding-left: 20px;
    padding-right: 20px;
  }

  .story-grid {
    grid-template-columns: 1fr 1fr;
  }

  .story-card.story-lead {
    grid-column: span 2;
  }

  .collection-grid {
    columns: 2 220px;
  }
}

@media (max-width: 560px) {
  .story-grid {
    grid-template-columns: 1fr;
  }

  .story-card.story-lead {
    grid-column: span 1;
  }

  .collection-grid {
    columns: 1;
  }
}