:root {
  --paper: #fbf3dc;
  --dot: #121212;
  --bg-color: #ff4726;
  --btc-yellow: #f5bc1d;
  --text: #111111;
  --muted: #3c3c3c;
  --card: rgba(255,255,255,0.82);
  --card-border: rgba(17,17,17,0.12);
  --skin-color: #d7ff15;
  --hair-color: #181826;
  --jacket-color: #23283b;
  --cursor: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='36' height='36' viewBox='0 0 36 36'><circle cx='18' cy='18' r='15' fill='%23f7931a' stroke='%23111' stroke-width='1.5'/><text x='18' y='23' text-anchor='middle' font-size='20' font-family='Arial, sans-serif' font-weight='700' fill='white'>₿</text></svg>") 18 18, pointer;
  --cursor-active: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 40 40'><circle cx='20' cy='20' r='16' fill='%23f7931a' stroke='%23fff' stroke-width='3'/><text x='20' y='25' text-anchor='middle' font-size='22' font-family='Arial, sans-serif' font-weight='700' fill='white'>₿</text></svg>") 20 20, pointer;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--paper);
}
body, body * { cursor: var(--cursor); }
.interactive-zone:hover { cursor: var(--cursor-active); }
.site {
  min-height: 100vh;
  background:
    radial-gradient(circle, var(--dot) 15%, transparent 16%) 0 0/24px 24px,
    linear-gradient(0deg, color-mix(in srgb, var(--bg-color) 92%, transparent), color-mix(in srgb, var(--bg-color) 92%, transparent));
  transition: background .25s ease;
}
.topbar {
  display:flex; justify-content:space-between; align-items:center;
  padding: 18px 18px 0;
}
.pill {
  display:inline-flex; align-items:center; justify-content:center;
  padding: 12px 18px; background: rgba(255,255,255,.86);
  border-radius: 999px; border: 1px solid rgba(17,17,17,.08);
  font-size: 12px; font-weight: 900; letter-spacing: .12em; text-decoration:none; color:var(--text);
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
}
.pill.small { font-size: 11px; }
main { max-width: 1260px; margin: 0 auto; padding: 14px 18px 50px; }
.hero {
  display:grid; grid-template-columns: minmax(0, 1.15fr) minmax(340px, .85fr);
  align-items:end; gap: 34px; min-height: 830px;
}
.art-stage {
  position: relative;
  width: 100%; max-width: 820px; aspect-ratio: 1 / 1;
  margin-top: 20px;
}
.bg-badge {
  position:absolute; inset: 0;
  background:
    radial-gradient(circle, var(--dot) 15%, transparent 16%) center/22px 22px,
    linear-gradient(0deg, color-mix(in srgb, var(--btc-yellow) 92%, transparent), color-mix(in srgb, var(--btc-yellow) 92%, transparent));
  border-radius: 46px;
}
.bg-badge::before,
.bg-badge::after {
  content: "₿";
  position: absolute;
  font-size: clamp(17rem, 28vw, 28rem);
  line-height: 1;
  font-weight: 900;
  color: rgba(245,188,29,.92);
  mix-blend-mode: normal;
  filter: saturate(.9);
}
.bg-badge::before { inset: 5% auto auto -1%; }
.bg-badge::after { inset: auto -1% 5% auto; }
.base-art {
  position:absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  border-radius: 46px;
  filter: saturate(1.04) contrast(1.02);
}
.overlay {
  position:absolute; inset: 0;
  border-radius: 46px;
  pointer-events: auto;
  mix-blend-mode: multiply;
  opacity: .95;
  transition: background .18s ease;
}
.overlay-skin {
  background: var(--skin-color);
  -webkit-mask-image: radial-gradient(circle at 50% 54%, black 0 20%, transparent 24%), radial-gradient(circle at 44% 37%, black 0 6%, transparent 8%), radial-gradient(circle at 56% 37%, black 0 6%, transparent 8%), radial-gradient(ellipse at 50% 65%, black 0 9%, transparent 12%), radial-gradient(ellipse at 50% 78%, black 0 8%, transparent 11%);
  mask-image: radial-gradient(circle at 50% 54%, black 0 20%, transparent 24%), radial-gradient(circle at 44% 37%, black 0 6%, transparent 8%), radial-gradient(circle at 56% 37%, black 0 6%, transparent 8%), radial-gradient(ellipse at 50% 65%, black 0 9%, transparent 12%), radial-gradient(ellipse at 50% 78%, black 0 8%, transparent 11%);
}
.overlay-hair {
  background: var(--hair-color);
  -webkit-mask-image: radial-gradient(ellipse at 50% 19%, black 0 21%, transparent 27%), radial-gradient(circle at 29% 32%, black 0 10%, transparent 13%), radial-gradient(circle at 72% 34%, black 0 11%, transparent 14%), radial-gradient(circle at 83% 55%, black 0 9%, transparent 12%);
  mask-image: radial-gradient(ellipse at 50% 19%, black 0 21%, transparent 27%), radial-gradient(circle at 29% 32%, black 0 10%, transparent 13%), radial-gradient(circle at 72% 34%, black 0 11%, transparent 14%), radial-gradient(circle at 83% 55%, black 0 9%, transparent 12%);
}
.overlay-jacket {
  background: var(--jacket-color);
  -webkit-mask-image: linear-gradient(to top, black 0 26%, transparent 34%), radial-gradient(circle at 25% 88%, black 0 13%, transparent 17%), radial-gradient(circle at 74% 88%, black 0 13%, transparent 17%);
  mask-image: linear-gradient(to top, black 0 26%, transparent 34%), radial-gradient(circle at 25% 88%, black 0 13%, transparent 17%), radial-gradient(circle at 74% 88%, black 0 13%, transparent 17%);
}
.copy { padding-bottom: 40px; }
.eyebrow { font-size: 12px; font-weight: 900; letter-spacing: .15em; color: #fff; text-shadow: 0 1px 4px rgba(0,0,0,.25); }
h1 {
  font-size: clamp(4rem, 9vw, 7.8rem);
  line-height: .9; letter-spacing: -.08em;
  margin: 12px 0 18px; color: #fff;
  text-shadow: 0 4px 16px rgba(0,0,0,.22);
}
.copy p {
  max-width: 470px; font-size: 1.08rem; line-height: 1.72;
  color: rgba(255,255,255,.92);
  text-shadow: 0 1px 7px rgba(0,0,0,.16);
}
.buy-links {
  display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:18px; margin-top: 10px;
}
.buy-card {
  min-height: 170px; display:flex; flex-direction:column; justify-content:space-between;
  padding: 22px; text-decoration:none; color:var(--text);
  background: var(--card); border:1px solid var(--card-border); border-radius: 18px;
  box-shadow:0 16px 45px rgba(0,0,0,.1); transition: transform .18s ease;
}
.buy-card:hover { transform: translateY(-5px); }
.buy-card span { font-size: 12px; font-weight: 900; letter-spacing: .12em; color:#ff3b17; }
.buy-card strong { font-size: 1.36rem; margin: 8px 0; }
.buy-card em { font-style: normal; color:var(--muted); line-height: 1.55; }
@media (max-width: 1020px) {
  .hero { grid-template-columns: 1fr; min-height: auto; gap: 16px; }
  .copy { padding-bottom: 0; }
  .art-stage { max-width: 100%; }
}
@media (max-width: 700px) {
  .buy-links { grid-template-columns: 1fr; }
  h1 { font-size: clamp(3rem, 16vw, 5rem); }
  .bg-badge::before, .bg-badge::after { font-size: 11rem; }
  .base-art, .bg-badge, .overlay { border-radius: 28px; }
}
