:root {
  color-scheme: dark;
  --navy: #062a4d;
  --deep: #031a30;
  --cream: #f5e8cb;
  --teal: #66bca7;
  --coral: #ff6b57;
  --line: rgba(245, 232, 203, .14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--cream);
  background: linear-gradient(180deg, #073457 0, var(--navy) 20rem, var(--deep) 100%);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", sans-serif;
}

header { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: max(30px, env(safe-area-inset-top)) 0 34px; }
.back { color: #a8cfc2; font-size: 12px; text-decoration: none; }
.eyebrow { margin-top: 56px; color: var(--teal); font-size: 11px; font-weight: 700; letter-spacing: .22em; }
h1 { margin: 10px 0 12px; font: 500 clamp(42px, 8vw, 76px)/.91 Georgia, serif; letter-spacing: -.04em; }
header p { margin: 0; color: #a6bdb6; font-size: 13px; }
.route { display: inline-flex; gap: 10px; margin-top: 18px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 99px; font-size: 10px; }
.route span { color: var(--coral); text-transform: uppercase; letter-spacing: .12em; }
.route b { color: #c8d9d2; font-weight: 500; }

nav {
  position: sticky;
  z-index: 5;
  top: 0;
  display: flex;
  gap: 6px;
  padding: 9px max(16px, calc((100% - 1180px) / 2));
  overflow-x: auto;
  border-block: 1px solid var(--line);
  background: rgba(3, 26, 48, .88);
  backdrop-filter: blur(18px);
}

nav button {
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 0;
  border-radius: 99px;
  color: #9db7ae;
  background: transparent;
  font: inherit;
  font-size: 11px;
  cursor: pointer;
}
nav button.is-active { color: var(--deep); background: var(--teal); font-weight: 700; }

main {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
  width: min(1180px, calc(100% - 28px));
  margin: 28px auto 0;
}

.asset {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(6, 42, 77, .72);
  cursor: zoom-in;
  transition: transform .2s ease, border-color .2s ease;
}
.asset:hover, .asset:focus-visible { transform: translateY(-3px); border-color: rgba(102, 188, 167, .6); outline: none; }
.asset[hidden] { display: none; }
.asset__image {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 1;
  padding: 16px;
  background-color: #082f50;
  background-image: linear-gradient(45deg, rgba(255,255,255,.025) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.025) 75%), linear-gradient(45deg, rgba(255,255,255,.025) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.025) 75%);
  background-position: 0 0, 10px 10px;
  background-size: 20px 20px;
}
.asset.is-backdrop .asset__image { aspect-ratio: 853 / 1200; padding: 0; }
.asset img { display: block; width: 100%; height: 100%; object-fit: contain; }
.asset.is-backdrop img { object-fit: cover; object-position: center; }
.asset__meta { padding: 12px 13px 14px; }
.asset__meta span { display: block; color: var(--teal); font-size: 8px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.asset__meta b { display: block; margin-top: 5px; font-size: 12px; font-weight: 600; }
.asset__meta small { display: block; margin-top: 3px; overflow: hidden; color: #76978c; font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }

footer { padding: 44px 20px max(40px, env(safe-area-inset-bottom)); text-align: center; color: #66877c; font-size: 11px; }

dialog { width: 100vw; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; background: rgba(2, 13, 24, .96); }
dialog::backdrop { background: #020d18; }
dialog[open] { display: grid; place-items: center; }
dialog figure { display: grid; place-items: center; width: 100%; height: 100%; margin: 0; padding: 50px 36px 80px; }
dialog img { max-width: 100%; max-height: calc(100dvh - 120px); object-fit: contain; }
dialog figcaption { position: fixed; bottom: 48px; color: #9db7ae; font-size: 11px; }
.close { position: fixed; z-index: 2; top: max(14px, env(safe-area-inset-top)); right: 16px; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; color: white; background: #0a395e; font-size: 25px; cursor: pointer; }
.download { position: fixed; z-index: 2; bottom: max(10px, env(safe-area-inset-bottom)); padding: 7px 12px; border: 1px solid var(--line); border-radius: 99px; color: var(--teal); font-size: 10px; text-decoration: none; }

@media (max-width: 600px) {
  main { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .asset { border-radius: 15px; }
  .asset__image { padding: 10px; }
  .asset__meta { padding: 9px 10px 11px; }
}