:root {
  color-scheme: dark;
  --album: #1d1410;
  --album-2: #271812;
  --paper: #f7f1e1;
  --paper-edge: #efe6cc;
  --ink: #1a1410;
  --muted: #6a5a48;
  --accent: #b32a2a;
  --gold: #c9a14a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  color: #f3e9d2;
  background:
    radial-gradient(1200px 600px at 10% -10%, #3a2418 0%, transparent 60%),
    radial-gradient(900px 500px at 110% 110%, #2c1a14 0%, transparent 55%),
    repeating-linear-gradient(45deg, var(--album) 0 12px, var(--album-2) 12px 24px);
  min-height: 100vh;
}

.hero {
  text-align: center;
  padding: 72px 24px 32px;
  max-width: 820px;
  margin: 0 auto;
}

.hero .eyebrow {
  letter-spacing: 0.4em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--gold);
  margin: 0 0 12px;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 68px);
  margin: 0 0 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 0 rgba(0,0,0,.4);
}

.hero .lede {
  color: #d8c8a8;
  font-size: 17px;
  line-height: 1.55;
  margin: 0 auto;
  max-width: 620px;
}

.hero a {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* Aspect toggle */
.aspect-toggle {
  display: inline-flex;
  margin-top: 24px;
  padding: 4px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(201, 161, 74, 0.35);
  border-radius: 999px;
  gap: 4px;
}

.aspect-toggle button {
  appearance: none;
  border: 0;
  background: transparent;
  color: #d8c8a8;
  font: inherit;
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 8px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s, color .2s;
}

.aspect-toggle button[aria-pressed="true"] {
  background: var(--gold);
  color: #1a1410;
  font-weight: 600;
}

.aspect-toggle button:hover:not([aria-pressed="true"]) {
  color: var(--gold);
}

/* Gallery grid */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 36px 28px;
  padding: 32px clamp(16px, 4vw, 56px) 80px;
  max-width: 1600px;
  margin: 0 auto;
}

.gallery[data-aspect="wide"] {
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
}

/* Stamp frame using radial-gradient masks for perforated edges only.
   Corners get a clean quarter-circle by aligning hole centers to the
   element corners and using `round` so perforations distribute evenly. */
.stamp {
  --r: 6px;            /* perforation radius */
  --gap: 14px;         /* perforation spacing */
  margin: 0;
  position: relative;
  background: var(--paper);
  padding: calc(var(--r) + 4px);
  filter: drop-shadow(0 6px 14px rgba(0,0,0,.45)) drop-shadow(0 1px 0 rgba(0,0,0,.25));
  -webkit-mask:
    radial-gradient(circle var(--r) at 50% 0,    #0000 98%, #000) 0    0    / var(--gap) var(--r) round no-repeat,
    radial-gradient(circle var(--r) at 50% 100%, #0000 98%, #000) 0    100% / var(--gap) var(--r) round no-repeat,
    radial-gradient(circle var(--r) at 0 50%,    #0000 98%, #000) 0    0    / var(--r) var(--gap) no-repeat round,
    radial-gradient(circle var(--r) at 100% 50%, #0000 98%, #000) 100% 0    / var(--r) var(--gap) no-repeat round,
    linear-gradient(#000, #000) var(--r) var(--r) / calc(100% - 2*var(--r)) calc(100% - 2*var(--r)) no-repeat;
  mask:
    radial-gradient(circle var(--r) at 50% 0,    #0000 98%, #000) 0    0    / var(--gap) var(--r) round no-repeat,
    radial-gradient(circle var(--r) at 50% 100%, #0000 98%, #000) 0    100% / var(--gap) var(--r) round no-repeat,
    radial-gradient(circle var(--r) at 0 50%,    #0000 98%, #000) 0    0    / var(--r) var(--gap) no-repeat round,
    radial-gradient(circle var(--r) at 100% 50%, #0000 98%, #000) 100% 0    / var(--r) var(--gap) no-repeat round,
    linear-gradient(#000, #000) var(--r) var(--r) / calc(100% - 2*var(--r)) calc(100% - 2*var(--r)) no-repeat;
  transition: transform .35s cubic-bezier(.2,.8,.2,1);
  transform-origin: 50% 60%;
}

.stamp:hover {
  transform: translateY(-4px) rotate(-0.6deg) scale(1.015);
}

.stamp:nth-child(3n)   { transform: rotate(.6deg); }
.stamp:nth-child(5n+2) { transform: rotate(-.5deg); }
.stamp:nth-child(7n+3) { transform: rotate(.3deg); }
.stamp:nth-child(11n+4){ transform: rotate(-.8deg); }

.stamp-inner {
  position: relative;
  background:
    linear-gradient(180deg, var(--paper) 0%, var(--paper-edge) 100%);
  border: 1px solid #e2d6b6;
  padding: 12px 12px 14px;
  color: var(--ink);
}

.stamp-inner::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px dashed rgba(26,20,16,.35);
  pointer-events: none;
}

.stamp-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
  padding: 0 4px;
}

.stamp-country {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.1;
  color: var(--ink);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stamp-code {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 2px 6px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 2px;
}

.stamp-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #d8cdb1;
  border: 1px solid rgba(26,20,16,.18);
  filter: saturate(.95) contrast(1.02);
}

.gallery[data-aspect="wide"] .stamp-img {
  aspect-ratio: 1774 / 887;
}

.stamp-caption {
  margin: 10px 4px 4px;
  font-size: 12.5px;
  line-height: 1.35;
  color: var(--muted);
  font-style: italic;
  min-height: 2.7em;
}

/* Postmark — concentric circles overlay */
.postmark {
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 64px;
  height: 64px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  display: grid;
  place-content: center;
  text-align: center;
  color: var(--accent);
  opacity: 0.55;
  transform: rotate(-12deg);
  pointer-events: none;
  font-family: "Helvetica Neue", Arial, sans-serif;
  letter-spacing: 0.08em;
}

.postmark::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid var(--accent);
  border-radius: 50%;
}

.postmark span {
  display: block;
  font-weight: 800;
  font-size: 13px;
  line-height: 1;
}

.postmark em {
  display: block;
  font-style: normal;
  font-size: 7px;
  margin-top: 3px;
  text-transform: uppercase;
}

.page-foot {
  text-align: center;
  padding: 24px 16px 56px;
  color: #b8a784;
  font-size: 13px;
}

.page-foot a {
  color: var(--gold);
}

@media (max-width: 480px) {
  .gallery {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 24px 18px;
  }
  .postmark { width: 50px; height: 50px; }
  .postmark span { font-size: 10px; }
  .postmark em { font-size: 6px; }
}