/* Twin Titans — cyberpunk dark theme, sharp asymmetric layout */
:root{
  --bg:#0a0a0f;
  --bg-alt:#11111c;
  --bg-card:#161628;
  --line:#26263d;
  --ink:#f5f5fa;
  --ink-dim:#9494a8;
  --gold:#fbbf24;
  --orange:#fb923c;
  --red:#ef4444;
  --purple:#a855f7;
  --blue:#3b82f6;
  --teal:#14b8a6;
  --accent:#fbbf24;
  --font:'Space Grotesk','SF Pro Display',system-ui,sans-serif;
  --mono:'JetBrains Mono','IBM Plex Mono','SFMono-Regular',monospace;
}
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.55;overflow-x:hidden}
a{color:inherit;text-decoration:none}
b{font-weight:600}
small{color:var(--ink-dim);font-size:.85em}
.mono{font-family:var(--mono);font-size:.92em}

/* background fx */
.grain{position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.06;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2' /></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.7'/></svg>")}
.aurora{position:fixed;inset:-10%;pointer-events:none;z-index:0;filter:blur(120px);opacity:.45;
  background:
    radial-gradient(circle at 12% 18%, var(--orange) 0, transparent 24%),
    radial-gradient(circle at 88% 22%, var(--purple) 0, transparent 28%),
    radial-gradient(circle at 30% 78%, var(--teal) 0, transparent 26%),
    radial-gradient(circle at 78% 82%, var(--red) 0, transparent 22%);
  animation:drift 22s linear infinite}
@keyframes drift{50%{transform:translate(2%,-1%) rotate(.5deg)}}

main, section, header, footer{position:relative;z-index:2}

/* NAV */
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 32px;
  border-bottom:1px solid var(--line);backdrop-filter:blur(14px);background:rgba(10,10,15,.6);position:sticky;top:0;z-index:50}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--mono);letter-spacing:.04em}
.logo span{font-size:14px;color:var(--ink-dim)}
.logo b{color:var(--ink);font-weight:600}
.links{display:flex;gap:22px}
.links a{font-size:14px;color:var(--ink-dim);transition:color .2s}
.links a:hover{color:var(--gold)}
@media(max-width:780px){.links{display:none}.nav{padding:14px 18px}}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:0;border:1px solid var(--line);background:transparent;color:var(--ink);
  font-family:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:all .18s;letter-spacing:.02em;
  position:relative;overflow:hidden}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn:hover:not(:disabled){transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--gold),var(--orange));color:#0a0a0f;border-color:transparent;font-weight:600}
.btn-primary:hover:not(:disabled){box-shadow:0 0 0 1px var(--gold), 0 6px 24px -8px var(--orange)}
.btn-ghost{background:transparent;border-color:var(--line)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.big{padding:14px 24px;font-size:15px}

/* HERO */
.hero{padding:80px 32px 40px;max-width:1180px;margin:0 auto}
.hero-inner{max-width:920px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--line);
  border-radius:999px;font-family:var(--mono);font-size:12px;color:var(--ink-dim);margin-bottom:24px}
.badge .dot{width:6px;height:6px;background:var(--teal);border-radius:50%;box-shadow:0 0 10px var(--teal)}
.hero h1{font-size:clamp(38px,6vw,68px);line-height:1.05;font-weight:700;letter-spacing:-.02em;margin-bottom:24px}
.glyph{background:linear-gradient(135deg,var(--gold),var(--red));background-clip:text;-webkit-background-clip:text;color:transparent}
.acc{color:var(--teal)}
.lead{max-width:680px;color:var(--ink-dim);font-size:18px;margin-bottom:36px}
.hero-cta{display:flex;gap:14px;margin-bottom:60px;flex-wrap:wrap}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding-top:32px;border-top:1px solid var(--line)}
.stats div{display:flex;flex-direction:column}
.stats .k{font-family:var(--mono);font-size:26px;font-weight:600;color:var(--gold)}
.stats .v{font-size:12px;color:var(--ink-dim);text-transform:uppercase;letter-spacing:.08em;margin-top:4px}
@media(max-width:680px){.stats{grid-template-columns:repeat(2,1fr)}.hero{padding:48px 18px 28px}}

/* SECTION HEAD */
.section-head{padding:64px 32px 24px;max-width:1180px;margin:0 auto}
.section-head h2{font-size:clamp(28px,4vw,42px);font-weight:700;letter-spacing:-.01em}
.section-head p{color:var(--ink-dim);max-width:560px;margin-top:8px;font-size:15px}

/* TIERS */
.tiers{padding:0 32px 60px;max-width:1180px;margin:0 auto}
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:980px){.tier-grid{grid-template-columns:repeat(2,1fr)}.tiers{padding:0 18px 40px}}
@media(max-width:580px){.tier-grid{grid-template-columns:1fr}}
.tier-card{position:relative;background:var(--bg-card);border:1px solid var(--line);padding:0;overflow:hidden;
  transition:transform .25s, border-color .25s;cursor:pointer;display:flex;flex-direction:column}
.tier-card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% -10%,var(--glow),transparent 50%);opacity:.18;pointer-events:none}
.tier-card:hover{transform:translateY(-3px);border-color:var(--glow)}

/* ── animated NFT artwork (CSS-only, no video) ──────────────────────── */
.tier-art,.nft-art,.mint-art{aspect-ratio:1/1;width:100%;overflow:hidden;position:relative}
.tier-art{border-bottom:1px solid var(--line)}
.nft-art{border-bottom:1px solid var(--line)}
.mint-art{max-width:300px;margin:0 auto 18px;border:1px solid var(--line)}
.tier-art img,.nft-art img,.mint-art img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.tier-card:hover .tier-art img{transform:scale(1.06)}
.tier-art::before,.nft-art::before,.mint-art::before{
  content:"";position:absolute;inset:-30%;pointer-events:none;
  background:conic-gradient(from 0deg, transparent 0%, var(--glow,#fbbf24) 8%, transparent 18%, transparent 50%, var(--glow,#fbbf24) 58%, transparent 70%);
  mix-blend-mode:screen;opacity:.4;
  animation:halo 9s linear infinite;
}
.tier-art::after,.nft-art::after,.mint-art::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg, transparent 30%, rgba(255,255,255,.16) 50%, transparent 70%);
  background-size:280% 100%;
  animation:shine 5s ease-in-out infinite;
}
@keyframes halo{ to{ transform:rotate(360deg);} }
@keyframes shine{
  0%,100%{ background-position:200% 0; }
  50%   { background-position:-100% 0; }
}
.spark{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:2}
.spark i{
  position:absolute;bottom:-6px;width:3px;height:3px;border-radius:50%;
  background:var(--glow,#fbbf24);opacity:0;
  animation:float 6s ease-in infinite;
  filter:drop-shadow(0 0 8px var(--glow,#fbbf24));
}
.spark i:nth-child(1){left:14%;animation-delay:0s}
.spark i:nth-child(2){left:32%;animation-delay:1.2s}
.spark i:nth-child(3){left:54%;animation-delay:2.4s}
.spark i:nth-child(4){left:72%;animation-delay:3.1s}
.spark i:nth-child(5){left:88%;animation-delay:4.5s}
@keyframes float{
  0%   { transform:translateY(0) scale(.6); opacity:0; }
  20%  { opacity:1; }
  100% { transform:translateY(-260px) scale(1.2); opacity:0; }
}

.tier-card .tname,.tier-card .price,.tier-card .stat,
.tier-card .supply,.tier-card button{margin-left:22px;margin-right:22px}
.tier-card .tname{display:flex;justify-content:space-between;align-items:baseline;margin-top:18px;margin-bottom:14px}
.tier-card .tname b{font-size:22px;font-weight:600;color:var(--glow)}
.tier-card .tname span{font-family:var(--mono);font-size:11px;color:var(--ink-dim);text-transform:uppercase}
.tier-card .price{font-family:var(--mono);font-size:42px;font-weight:600;color:var(--ink);line-height:1;margin-bottom:14px}
.tier-card .price small{font-size:14px;color:var(--ink-dim);font-weight:400;margin-left:6px}
.tier-card .stat{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed var(--line);font-size:13px}
.tier-card .stat:last-of-type{border-bottom:0}
.tier-card .stat span{color:var(--ink-dim)}
.tier-card .stat b{color:var(--ink);font-family:var(--mono)}
.tier-card .supply{margin-top:10px;height:4px;background:var(--bg);overflow:hidden;border:1px solid var(--line)}
.tier-card .supply i{display:block;height:100%;background:var(--glow);transition:width .5s}
.tier-card button{margin-top:18px;margin-bottom:22px;background:transparent;border:1px solid var(--line);color:var(--ink);padding:12px;cursor:pointer;font-family:inherit;font-size:14px;transition:all .2s}
.tier-card button:hover{background:var(--glow);color:#0a0a0f;border-color:var(--glow)}

/* HOW IT WORKS */
.how{padding:0 32px 60px;max-width:1180px;margin:0 auto}
.how-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:980px){.how-grid{grid-template-columns:repeat(2,1fr)}.how{padding:0 18px 40px}}
.how-card{position:relative;border:1px solid var(--line);padding:24px;background:var(--bg-alt)}
.how-card .hcn{font-family:var(--mono);font-size:11px;color:var(--gold);letter-spacing:.1em}
.how-card h3{font-size:18px;font-weight:600;margin:10px 0 8px}
.how-card p{font-size:14px;color:var(--ink-dim)}
.flow{margin-top:36px;padding:24px;border:1px solid var(--line);background:var(--bg-alt)}
.flow h3{font-size:14px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--ink-dim);margin-bottom:14px}
.flow-bar{display:flex;height:74px;border:1px solid var(--line);overflow:hidden}
.flow-bar .seg{flex:0 0 var(--w);background:color-mix(in srgb,var(--c) 25%,transparent);border-right:1px solid var(--line);padding:10px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.flow-bar .seg:last-child{border-right:0}
.flow-bar .seg::before{content:"";position:absolute;left:0;bottom:0;width:100%;height:3px;background:var(--c)}
.flow-bar .seg span{font-family:var(--mono);font-weight:600;color:var(--c);font-size:16px}
.flow-bar .seg small{font-size:11px;color:var(--ink-dim)}

.dash[hidden]{display:none !important}
/* DASHBOARD */
.dash{padding:0 32px 60px;max-width:1180px;margin:0 auto}
.dash-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
@media(max-width:880px){.dash-grid{grid-template-columns:repeat(2,1fr)}.dash{padding:0 18px 40px}}
.kpi{border:1px solid var(--line);padding:22px;background:var(--bg-card);display:flex;flex-direction:column;gap:8px}
.kpi .k{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-dim)}
.kpi b{font-family:var(--mono);font-size:24px;font-weight:600;color:var(--gold)}
.kpi b small{font-size:12px;color:var(--ink-dim);font-weight:400;margin-left:4px}
.kpi .btn{margin-top:auto}

.refer-card{border:1px solid var(--gold);padding:22px;background:linear-gradient(180deg,rgba(251,191,36,.07),transparent);margin-bottom:36px}
.refer-card h3{font-size:16px;margin-bottom:14px}
.ref-row{display:flex;gap:8px;margin-bottom:8px}
.ref-row input{flex:1;background:var(--bg);border:1px solid var(--line);color:var(--ink);padding:11px 14px;font-family:var(--mono);font-size:13px}

.dash-h{font-size:14px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--ink-dim);margin:24px 0 12px}
.nft-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-bottom:24px}
.nft-card{border:1px solid var(--line);padding:0;background:var(--bg-card);position:relative;overflow:hidden;display:flex;flex-direction:column}
.nft-card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% -20%,var(--glow),transparent 50%);opacity:.15;pointer-events:none}
.nft-card .nft-art{aspect-ratio:1/1;width:100%;overflow:hidden;border-bottom:1px solid var(--line)}
.nft-card .nft-art img{width:100%;height:100%;object-fit:cover;display:block}
.nft-card .id{font-family:var(--mono);font-size:11px;color:var(--ink-dim);margin:14px 18px 0}
.nft-card .tn{font-size:20px;font-weight:600;color:var(--glow);margin:4px 18px 14px}
.nft-card .nrow{display:flex;justify-content:space-between;font-size:13px;padding:6px 18px}
.nft-card .nrow span{color:var(--ink-dim)}
.nft-card .nrow b{font-family:var(--mono)}
.nft-card .cap{margin:10px 18px 18px;height:6px;background:var(--bg);overflow:hidden;border:1px solid var(--line)}
.nft-card .cap i{display:block;height:100%;background:linear-gradient(90deg,var(--teal),var(--gold))}

.ref-history{border:1px solid var(--line);background:var(--bg-card);overflow:hidden}
.ref-row-i{display:grid;grid-template-columns:auto 1fr auto auto;gap:12px;padding:12px 18px;border-bottom:1px solid var(--line);font-size:13px;align-items:center}
.ref-row-i:last-child{border-bottom:0}
.ref-row-i .lvl{font-family:var(--mono);font-size:11px;padding:3px 8px;background:var(--bg);border:1px solid var(--line);color:var(--gold)}
.ref-row-i .b{font-family:var(--mono);color:var(--ink-dim)}
.ref-row-i .amt{font-family:var(--mono);color:var(--teal);font-weight:600}

/* RANKS */
.ranks{padding:0 32px 60px;max-width:1180px;margin:0 auto}
.rank-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.rank-tile{position:relative;border:1px solid var(--line);background:var(--bg-card);padding:18px;overflow:hidden}
.rank-tile::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% -20%,var(--gc),transparent 60%);opacity:.18;pointer-events:none}
.rank-tile .rank-id{font-family:var(--mono);font-size:11px;color:var(--ink-dim);letter-spacing:.1em}
.rank-tile .rank-name{font-size:22px;font-weight:600;color:var(--gc);margin:6px 0 14px}
.rank-tile .rank-req{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--ink-dim);margin-bottom:14px}
.rank-tile .rank-bonus{font-family:var(--mono);font-weight:600;color:var(--ink);font-size:18px;border-top:1px dashed var(--line);padding-top:10px}
.rank-tile .rank-bonus small{font-weight:400;color:var(--ink-dim);font-size:11px;display:block}

.rank-pill{display:inline-flex;align-items:center;padding:3px 10px;background:color-mix(in srgb,var(--gc,#9494a8) 20%,transparent);border:1px solid var(--gc,#9494a8);color:var(--gc,#9494a8);font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;border-radius:0;font-weight:600}

.rank-card{position:relative;overflow:hidden}
.rank-prog{margin-top:8px;height:4px;background:var(--bg);border:1px solid var(--line);overflow:hidden}
.rank-prog i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--orange));transition:width .5s}

@media(max-width:780px){.ranks{padding:0 18px 40px}}

/* LEADERBOARD */
.leaders{padding:0 32px 60px;max-width:1180px;margin:0 auto}
.lt{border:1px solid var(--line);background:var(--bg-card)}
.lt .lrow{display:grid;grid-template-columns:50px 1fr auto auto;padding:14px 20px;align-items:center;border-bottom:1px solid var(--line);font-size:14px}
.lt .lrow:last-child{border-bottom:0}
.lt .lrow .r{font-family:var(--mono);font-size:18px;color:var(--gold)}
.lt .lrow .a{font-family:var(--mono);font-size:13px;color:var(--ink-dim)}
.lt .lrow .n{font-family:var(--mono);font-size:13px;text-align:right}
.lt .lrow .e{font-family:var(--mono);font-size:14px;font-weight:600;color:var(--teal);min-width:120px;text-align:right;margin-left:18px}
.lt .empty{padding:40px;text-align:center;color:var(--ink-dim)}

/* FOOTER */
.foot{border-top:1px solid var(--line);padding:32px;text-align:center;max-width:1180px;margin:60px auto 0;color:var(--ink-dim)}
.foot small{display:block;margin-top:8px;max-width:540px;margin-left:auto;margin-right:auto;font-size:12px}
.foot a{color:var(--gold)}

/* MODAL */
.modal[hidden]{display:none !important}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.85);backdrop-filter:blur(8px);z-index:100;display:flex;align-items:center;justify-content:center;padding:18px;animation:fade .2s ease}
.modal-inner{background:var(--bg-card);border:1px solid var(--line);max-width:480px;width:100%;padding:32px;position:relative}
.modal-inner .x{position:absolute;top:14px;right:14px;background:transparent;border:0;color:var(--ink-dim);font-size:20px;cursor:pointer}
.modal-inner h3{font-size:22px;margin-bottom:6px}
.modal-inner p{color:var(--ink-dim);font-size:13px;margin-bottom:18px}
.mint-art{aspect-ratio:1/1;width:100%;max-width:300px;margin:0 auto 18px;overflow:hidden;border:1px solid var(--line)}
.mint-art img{width:100%;height:100%;object-fit:cover;display:block}
.mint-info{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}
.mint-info div{border:1px solid var(--line);padding:12px;background:var(--bg-alt)}
.mint-info span{font-size:11px;color:var(--ink-dim);text-transform:uppercase;letter-spacing:.08em;display:block;margin-bottom:4px}
.mint-info b{font-family:var(--mono);font-size:15px}
.ref-label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--ink-dim);margin-bottom:18px}
.ref-label input{background:var(--bg);border:1px solid var(--line);color:var(--ink);padding:11px 14px;font-family:var(--mono);font-size:13px}
.mint-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
#mintStatus{margin-top:14px;color:var(--gold);font-size:12px}

@keyframes fade{from{opacity:0}}

/* TOAST */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--bg-card);border:1px solid var(--gold);padding:14px 22px;font-family:var(--mono);font-size:13px;z-index:200;color:var(--gold);box-shadow:0 10px 40px -10px rgba(251,191,36,.4)}