:root {
  --paper: #e8d5b5;
  --ink: #2a1c12;
  --brass: #b0894f;
  --stamp: #8a1f16;
  --frame: #6b4a28;
}

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

html, body {
  min-height: 100%;
}

body {
  background:
    radial-gradient(1200px 700px at 50% -10%, #f3e4c8 0%, var(--paper) 55%, #d9c19a 100%);
  color: var(--ink);
  font-family: "Trebuchet MS", "Century Gothic", Futura, sans-serif;
  letter-spacing: 0.04em;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100dvh;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 8;
  opacity: 0.18;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

header {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.4rem 0 0;
  z-index: 2;
}

main {
  width: min(92vw, 520px);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 0 0.8rem;
  flex: 1;
}

.mark {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  text-align: center;
  color: var(--ink);
  margin-bottom: 0.85rem;
}

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

.tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 0.15rem;
  width: min(94vw, 920px);
  margin: 0 auto 1.1rem;
  padding: 0 0.6rem;
  list-style: none;
  z-index: 2;
}

.tabs a {
  display: block;
  padding: 0.28rem 0.55rem 0.22rem;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: 2px solid transparent;
}

.tabs a:hover,
.tabs a:focus-visible {
  border-bottom-color: var(--brass);
}

.tabs a[aria-current="page"] {
  border-bottom-color: var(--stamp);
  color: var(--stamp);
}

.blank {
  flex: 1;
  min-height: 40vh;
}

figure {
  margin: 0;
  padding: 7px;
  background: linear-gradient(180deg, #d7b57a, var(--brass) 40%, #8a6230);
  box-shadow:
    0 0 0 1px #5c3d1c,
    0 18px 40px rgba(42, 28, 18, 0.28);
}

img {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(72vh, 820px);
  object-fit: contain;
  background: #1a120c;
  filter: saturate(0.92) contrast(1.04);
}

.stamp {
  margin-top: 1.15rem;
  padding: 0.42rem 0.7rem 0.32rem;
  border: 2px solid var(--stamp);
  color: var(--stamp);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: rotate(-1.4deg);
  opacity: 0.92;
}

footer {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.7rem;
  padding: 0.95rem 1rem 1.25rem;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  z-index: 2;
}

footer a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

footer a:hover,
footer a:focus-visible {
  border-bottom-color: var(--ink);
}

.dot { opacity: 0.45; }

@media (max-width: 640px) {
  img { max-height: min(68vh, 760px); }
  footer { flex-wrap: wrap; gap: 0.35rem 0.7rem; }
  .tabs a { font-size: 0.62rem; padding: 0.22rem 0.42rem 0.16rem; }
}