:root {
  --bg: #0b0b0d;
  --surface: #131317;
  --surface-2: #1a1a20;
  --border: #24242c;
  --text: #ececf1;
  --muted: #8a8a96;
  --accent: #c8f169;
  --radius: 14px;
  --max: 1120px;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

main, .nav, .footer {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: 24px;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 28px;
}
.logo { font-weight: 600; display: flex; align-items: center; gap: 10px; letter-spacing: -0.02em; }
.logo-key {
  display: grid; place-items: center;
  width: 28px; height: 28px;
  border: 1px solid var(--border);
  border-bottom-width: 3px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 13px;
  background: var(--surface);
}
.nav nav { display: flex; gap: 28px; }
.nav nav a { color: var(--muted); font-size: 14px; transition: color .2s; }
.nav nav a:hover { color: var(--text); }

.hero { padding: 96px 0 120px; }
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--accent);
  margin-bottom: 24px;
}
h1, .lead, .about p, .eyebrow { white-space: pre-line; }

h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.04em;
}
.lead {
  max-width: 520px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-keys { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 56px; }
.key {
  display: grid; place-items: center;
  width: 52px; height: 52px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom: 4px solid #0f0f12;
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--muted);
  user-select: none;
  transition: transform .08s, border-bottom-width .08s, color .2s;
}
.key:hover { transform: translateY(2px); border-bottom-width: 2px; color: var(--text); }
.key.accent { background: var(--accent); color: #0b0b0d; border-color: var(--accent); border-bottom-color: #8fb03f; }

.stats {
  display: flex;
  gap: 56px;
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.stats dt { font-size: 13px; color: var(--muted); }
.stats dd { font-size: 2rem; font-weight: 500; letter-spacing: -0.03em; }

.collection { padding-bottom: 120px; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 40px;
}
h2 { font-size: 1.6rem; font-weight: 500; letter-spacing: -0.03em; }

.filters { display: flex; flex-wrap: wrap; gap: 6px; }
.filter {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font: 500 13px var(--sans);
  cursor: pointer;
  transition: all .2s;
}
.filter:hover { color: var(--text); border-color: #3a3a46; }
.filter.is-active { background: var(--text); color: var(--bg); border-color: var(--text); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .25s, transform .25s;
  animation: fade .4s ease both;
}
.card:hover { border-color: #3a3a46; transform: translateY(-3px); }
.card.is-hidden { display: none; }

.card { cursor: pointer; }
.card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.card-visual {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: radial-gradient(circle at 50% 40%, var(--surface-2), var(--surface) 70%);
  border-bottom: 1px solid var(--border);
}
.card-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(var(--zoom, 1));
  transform-origin: var(--ox, 50%) var(--oy, 50%);
  transition: transform .5s ease;
}
.card:hover .card-visual img { transform: scale(calc(var(--zoom, 1) * 1.04)); }

.placeholder { position: absolute; inset: 0; display: grid; place-items: center; }
.placeholder .key { width: 72px; height: 72px; font-size: 24px; }

.photo-count {
  position: absolute; right: 12px; bottom: 12px;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(11, 11, 13, .72);
  backdrop-filter: blur(6px);
  font: 11px var(--mono);
  color: var(--text);
}

.card-body { padding: 22px 22px 24px; }
.card-top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.card h3 { font-size: 1.1rem; font-weight: 500; letter-spacing: -0.02em; }
.tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  border: 1px solid rgba(200,241,105,.3);
  border-radius: 6px;
  padding: 2px 8px;
  white-space: nowrap;
}
.card p { color: var(--muted); font-size: 14px; margin-top: 8px; white-space: pre-line; }

.specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.specs dt { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.specs dd { font-family: var(--mono); font-size: 13px; margin-top: 2px; }

.about {
  padding: 80px 0 120px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
}
.about p { color: var(--muted); font-size: 1.05rem; max-width: 620px; }

.footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-block: 32px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}
.mono { font-family: var(--mono); }

.viewer {
  margin: auto;
  padding: 0;
  width: min(1100px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  overflow: hidden;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 18px;
}
.viewer::backdrop { background: rgba(5, 5, 7, .82); backdrop-filter: blur(6px); }
.viewer[open] { animation: pop .25s ease; }
body:has(.viewer[open]) { overflow: hidden; }

.viewer-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  max-height: calc(100vh - 32px);
}
.viewer-media { display: flex; flex-direction: column; min-width: 0; background: #08080a; }
.viewer-stage {
  position: relative;
  height: min(68vh, 640px);
  overflow: hidden;
  cursor: zoom-in;
  touch-action: none;
  user-select: none;
}
.viewer-stage.is-zoomed { cursor: grab; }
.viewer-stage.is-panning { cursor: grabbing; }
.viewer-img {
  display: block;
  width: 100%; height: 100%;
  object-fit: contain;
  transform-origin: 0 0;
  will-change: transform;
}
.viewer-img.is-animating { transition: transform .25s ease; }

.viewer-zoom {
  position: absolute; right: 14px; bottom: 14px; z-index: 1;
  display: flex; align-items: center; gap: 2px;
  padding: 3px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(19, 19, 23, .82);
  backdrop-filter: blur(6px);
  cursor: default;
}
.viewer-zoom button {
  height: 30px; min-width: 30px;
  padding: 0 6px;
  border: 0; border-radius: 7px;
  background: transparent;
  color: var(--text);
  font-size: 16px; line-height: 1;
  cursor: pointer;
  transition: background .15s, opacity .15s;
}
.viewer-zoom button:hover:not(:disabled) { background: var(--surface-2); }
.viewer-zoom button:disabled { opacity: .3; cursor: default; }
.viewer-zoom .zoom-level { min-width: 52px; font: 11px var(--mono); color: var(--muted); }
.viewer-stage .placeholder .key { width: 96px; height: 96px; font-size: 32px; }

.viewer-nav {
  position: absolute; top: 50%; z-index: 1;
  transform: translateY(-50%);
  display: grid; place-items: center;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(19, 19, 23, .8);
  color: var(--text);
  font-size: 22px; line-height: 1;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.viewer-nav:hover { border-color: #3a3a46; background: var(--surface-2); }
.viewer-nav.prev { left: 14px; }
.viewer-nav.next { right: 14px; }
.viewer-count {
  position: absolute; left: 14px; bottom: 14px; z-index: 1;
  padding: 3px 8px; border-radius: 6px;
  background: rgba(11, 11, 13, .72);
  font: 11px var(--mono); color: var(--muted);
}

.viewer-thumbs {
  display: flex; gap: 8px;
  padding: 12px;
  overflow-x: auto;
  border-top: 1px solid var(--border);
}
.viewer-thumbs button {
  flex: none;
  width: 72px; height: 52px;
  padding: 0;
  overflow: hidden;
  border-radius: 8px;
  border: 2px solid transparent;
  background: var(--surface);
  opacity: .5;
  cursor: pointer;
  transition: opacity .2s, border-color .2s;
}
.viewer-thumbs button:hover { opacity: .9; }
.viewer-thumbs button.is-active { opacity: 1; border-color: var(--accent); }
.viewer-thumbs img { display: block; width: 100%; height: 100%; object-fit: cover; }

.viewer-info { padding: 36px 28px; overflow-y: auto; border-left: 1px solid var(--border); }
.viewer-info h3 { margin-top: 14px; padding-right: 36px; font-size: 1.6rem; font-weight: 500; letter-spacing: -0.03em; line-height: 1.2; }
.viewer-info p { margin-top: 14px; color: var(--muted); white-space: pre-line; }
.viewer-info .specs { grid-template-columns: 1fr; gap: 14px; margin-top: 28px; }

.viewer-close {
  position: absolute; top: 14px; right: 14px; z-index: 2;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(19, 19, 23, .8);
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.viewer-close:hover { color: var(--text); border-color: #3a3a46; }

@media (max-width: 820px) {
  .viewer-inner { grid-template-columns: 1fr; overflow-y: auto; }
  .viewer-stage { height: 52vh; }
  .viewer-info { overflow: visible; border-left: 0; border-top: 1px solid var(--border); padding: 24px 20px 28px; }
}

@keyframes pop { from { opacity: 0; transform: scale(.98); } }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

body { position: relative; overflow-x: hidden; }
main, .footer { position: relative; z-index: 1; }

.decor {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.decor::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, .05) 1px, transparent 1.6px);
  background-size: 28px 28px;
  -webkit-mask-image: linear-gradient(to right, #000, transparent calc(50% - 600px), transparent calc(50% + 600px), #000);
  mask-image: linear-gradient(to right, #000, transparent calc(50% - 600px), transparent calc(50% + 600px), #000);
}
.decor::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(520px 520px at 0% 12%, rgba(200, 241, 105, .055), transparent 70%),
    radial-gradient(520px 520px at 100% 48%, rgba(200, 241, 105, .04), transparent 70%),
    radial-gradient(520px 520px at 0% 88%, rgba(200, 241, 105, .035), transparent 70%);
}

.deco-key {
  --w: 1;
  --unit: 58px;
  position: absolute;
  top: var(--y);
  width: calc(var(--unit) * var(--w));
  height: var(--unit);
  transform: translateY(var(--py, 0px));
  display: none;
  z-index: 1;
}
.deco-key { --p: .45; --spread: calc(var(--g) + max(0px, 50% - 960px) * var(--p)); }
.deco-key.far { --p: .6; }
.deco-key.l { left: calc(50% - 560px - var(--spread)); }
.deco-key.r { right: calc(50% - 560px - var(--spread)); }

.deco-key i {
  display: grid; place-items: center;
  width: 100%; height: 100%;
  background: linear-gradient(180deg, #17171c, #111115);
  border: 1px solid var(--border);
  border-bottom: 5px solid #0a0a0c;
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, .45), inset 0 1px 0 rgba(255, 255, 255, .03);
  font: normal 13px var(--mono);
  color: #5a5a66;
  opacity: .75;
  animation: deco-float 9s ease-in-out infinite;
  animation-delay: var(--d);
  transform: rotate(var(--r));
}
.deco-key.ghost i {
  background: transparent;
  border: 1px dashed #2c2c35;
  box-shadow: none;
  color: #3e3e48;
  opacity: .6;
}
.deco-key.accent i {
  background: linear-gradient(180deg, #d0f57a, #b9e057);
  border-color: var(--accent);
  border-bottom-color: #7f9d36;
  color: #0b0b0d;
  opacity: .5;
  box-shadow: 0 18px 50px rgba(200, 241, 105, .12);
}
.deco-key.far i { opacity: .4; transform: rotate(var(--r)) scale(.85); }
.deco-key.far.accent i { opacity: .3; }

@keyframes deco-float {
  0%, 100% { translate: 0 0; }
  50%      { translate: 0 -14px; }
}

@media (min-width: 1440px) { .deco-key:not(.far) { display: block; } }
@media (min-width: 1820px) { .deco-key.far { display: block; } }
@media (max-width: 1439px) { .decor::after { opacity: .5; } }

@media (max-width: 640px) {
  main, .nav, .footer { padding-inline: 16px; }
  .nav nav { gap: 18px; }
  .hero { padding: 56px 0 80px; }
  .key { width: 40px; height: 40px; font-size: 13px; }
  .stats { gap: 28px; }
  .stats dd { font-size: 1.5rem; }
  .grid { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; gap: 16px; padding: 56px 0 80px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}