/* Public landing page */
.lp { --serif: 'Playfair Display', Georgia, serif; margin: -24px calc(-1 * max(16px, (100vw - 1180px) / 2)) -110px; }
.lp-wrap { padding: 0 max(16px, calc((100vw - 1180px) / 2)); }
.lp h1, .lp h2.lp-h { font-family: var(--serif); font-weight: 600; letter-spacing: -.01em; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--gold-400); }
.eyebrow::before { content: ''; width: 28px; height: 1px; background: currentColor; }
.lp-h { font-size: clamp(30px, 4vw, 44px); line-height: 1.12; margin: 12px 0 14px; }
.lp-sub { color: #aebad0; font-size: 16px; line-height: 1.7; max-width: 620px; margin: 0; }
.lp-section { padding: 96px 0; position: relative; }
.lp-section.alt { background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,0)); border-top: 1px solid rgba(255,255,255,.05); border-bottom: 1px solid rgba(255,255,255,.05); }
.gold-text { background: linear-gradient(180deg, #fff1b8 0%, #f6c94c 45%, #d39a22 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ticker */
.ticker { background: #050a14; border-bottom: 1px solid rgba(246,201,76,.15); overflow: hidden; white-space: nowrap; font-size: 13px; }
.ticker-track { display: inline-flex; gap: 48px; padding: 9px 0; animation: ticker 38s linear infinite; }
.ticker-track span { color: #c9d3e5; display: inline-flex; gap: 8px; align-items: center; }
.ticker-track b { color: #fff; font-weight: 600; }
.ticker-track .dot { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 3px rgba(34,197,94,.2); }
.ticker-track .dot.off { background: #f59e0b; box-shadow: 0 0 0 3px rgba(245,158,11,.2); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* hero */
.lp-hero { position: relative; overflow: hidden; padding: 88px 0 72px; isolation: isolate; }
.lp-hero::before { content: ''; position: absolute; inset: 0; z-index: -2;
  background: radial-gradient(900px 520px at 78% 42%, rgba(246,201,76,.22), transparent 62%),
              radial-gradient(700px 500px at 10% 0%, rgba(59,91,170,.25), transparent 60%),
              linear-gradient(180deg, #070d1a 0%, #0a1222 100%); }
.lp-hero::after { content: ''; position: absolute; inset: 0; z-index: -1; opacity: .35;
  background-image: radial-gradient(rgba(255,255,255,.12) 1px, transparent 1px); background-size: 28px 28px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 0%, transparent 70%); -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000 0%, transparent 70%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
.lp-hero h1 { font-size: clamp(40px, 5.6vw, 68px); line-height: 1.04; margin: 18px 0 22px; }
.lp-hero .lp-sub { font-size: 18px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.btn-lg { padding: 15px 26px; font-size: 16px; border-radius: 14px; }
.hero-proof { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 40px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.08); }
.hero-proof div { min-width: 120px; }
.hero-proof b { display: block; font-family: var(--serif); font-size: 26px; color: #fff; font-weight: 600; }
.hero-proof span { font-size: 13px; color: #95a3bd; }

.hero-stage { position: relative; height: 520px; }
.hero-stage .halo { position: absolute; left: 50%; top: 46%; width: 460px; height: 460px; transform: translate(-50%, -50%); border-radius: 50%;
  background: radial-gradient(circle, rgba(246,201,76,.35) 0%, rgba(246,201,76,.08) 45%, transparent 70%); filter: blur(10px); }
.hero-stage .orbit { position: absolute; left: 50%; top: 46%; border-radius: 50%; border: 1px dashed rgba(246,201,76,.22); transform: translate(-50%, -50%); }
.hero-stage .orbit.o1 { width: 470px; height: 470px; animation: spin 80s linear infinite; }
.hero-stage .orbit.o2 { width: 360px; height: 360px; border-style: solid; border-color: rgba(255,255,255,.06); }
.hero-stage .coin { position: absolute; filter: drop-shadow(0 30px 40px rgba(0,0,0,.55)); }
.hero-stage .c-gold { --size: 300px; left: 12%; top: 40px; animation: float 7s ease-in-out infinite; }
.hero-stage .c-silver { --size: 220px; right: 4%; top: 230px; animation: float 8s ease-in-out -3s infinite; }
.hero-stage .c-mini { --size: 86px; left: 2%; top: 360px; animation: float 6s ease-in-out -1s infinite; opacity: .9; }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(-18px) rotate(3deg); } }

.glass { background: rgba(17, 29, 51, .72); border: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-radius: 18px; }
.price-float { position: absolute; right: 0; top: 12px; padding: 16px 18px; width: 250px; box-shadow: 0 20px 50px rgba(0,0,0,.45); }
.price-float .row { justify-content: space-between; }
.price-float .lbl { font-size: 12px; color: #9fb0cc; }
.price-float .val { font-size: 20px; font-weight: 700; color: #fff; }
.price-float .chg { font-size: 12px; font-weight: 600; }
.price-float .chg.up { color: #4ade80; } .price-float .chg.down { color: #f87171; }
.price-float hr { border: 0; border-top: 1px solid rgba(255,255,255,.08); margin: 12px 0; }
.serial-float { position: absolute; left: 4%; bottom: 8px; padding: 12px 16px; display: flex; gap: 12px; align-items: center; box-shadow: 0 20px 50px rgba(0,0,0,.45); }
.serial-float i { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: rgba(34,197,94,.15); color: #4ade80; font-style: normal; }
.serial-float b { display: block; color: #fff; font-size: 13px; }
.serial-float span { font-size: 12px; color: #9fb0cc; font-family: ui-monospace, Consolas, monospace; }

/* trust strip */
.trust-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid rgba(255,255,255,.08); border-radius: 18px; overflow: hidden; background: rgba(255,255,255,.02); }
.trust-strip > div { padding: 22px; display: flex; gap: 14px; align-items: center; border-right: 1px solid rgba(255,255,255,.08); }
.trust-strip > div:last-child { border-right: 0; }
.trust-strip i { flex: none; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-style: normal; font-size: 19px; color: var(--gold-400); background: rgba(246,201,76,.1); border: 1px solid rgba(246,201,76,.25); }
.trust-strip b { display: block; color: #fff; font-size: 14px; }
.trust-strip span { font-size: 12.5px; color: #93a1bb; }

/* collection */
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: 36px; }
.metal-switch { display: inline-flex; padding: 5px; border-radius: 999px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); }
.metal-switch button { border: 0; background: transparent; color: #c8d1e3; padding: 10px 22px; border-radius: 999px; font-weight: 600; cursor: pointer; }
.metal-switch button.on { background: var(--gold-grad); color: #2b1d02; }
.coll { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pcard { position: relative; border-radius: 22px; padding: 28px 24px 24px; text-decoration: none; color: #e8edf6; overflow: hidden;
  background: linear-gradient(180deg, #131f37 0%, #0d1628 100%); border: 1px solid rgba(255,255,255,.08); transition: transform .25s, border-color .25s, box-shadow .25s; }
.pcard:hover { transform: translateY(-6px); border-color: rgba(246,201,76,.4); box-shadow: 0 24px 50px rgba(0,0,0,.4); }
.pcard::before { content: ''; position: absolute; left: 50%; top: 40px; width: 220px; height: 220px; transform: translateX(-50%); border-radius: 50%; background: radial-gradient(circle, rgba(246,201,76,.18), transparent 70%); }
.pcard.silver::before { background: radial-gradient(circle, rgba(220,228,240,.16), transparent 70%); }
.pcard .coin { --size: 168px; margin: 6px auto 22px; transition: transform .6s cubic-bezier(.2,.8,.2,1); }
.pcard:hover .coin { transform: rotate(18deg) scale(1.04); }
.pcard .tag { position: absolute; top: 18px; left: 18px; font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; background: rgba(255,255,255,.06); color: #c8d1e3; }
.pcard .stock { position: absolute; top: 18px; right: 18px; font-size: 11px; color: #4ade80; }
.pcard .stock.out { color: #f87171; }
.pcard h3 { font-family: var(--serif); font-size: 22px; margin: 0; font-weight: 600; color: #fff; }
.pcard .spec { font-size: 13px; color: #93a1bb; margin-top: 4px; }
.pcard .foot { display: flex; justify-content: space-between; align-items: flex-end; margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.07); }
.pcard .amt { font-size: 22px; font-weight: 700; color: #fff; }
.pcard .amt small { display: block; font-size: 11px; font-weight: 400; color: #8292ae; }
.pcard .go { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--gold-grad); color: #2b1d02; font-size: 18px; font-weight: 700; }

/* identity / verify */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.id-visual { position: relative; display: grid; place-items: center; min-height: 420px; }
.id-visual .coin { --size: 250px; }
.id-card { position: absolute; padding: 14px 16px; font-size: 13px; box-shadow: 0 16px 40px rgba(0,0,0,.4); }
.id-card .k { color: #8fa0bf; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.id-card .v { color: #fff; font-weight: 600; margin-top: 2px; }
.id-card.a { left: 0; top: 40px; } .id-card.b { right: 0; top: 120px; } .id-card.c { left: 6%; bottom: 30px; } .id-card.d { right: 6%; bottom: 0; }
.checks { list-style: none; padding: 0; margin: 26px 0; display: grid; gap: 14px; }
.checks li { display: flex; gap: 12px; color: #c6d0e2; font-size: 15px; }
.checks li::before { content: '✓'; flex: none; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: rgba(34,197,94,.15); color: #4ade80; font-size: 12px; font-weight: 700; }
.verify-box { display: flex; gap: 10px; padding: 8px; border-radius: 16px; }
.verify-box input { flex: 1; min-width: 0; background: transparent; border: 0; outline: none; color: #fff; padding: 10px 12px; font-size: 15px; }
.verify-box input::placeholder { color: #7f8fab; }
#lp-verify-result .alert { margin-top: 12px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; margin-top: 48px; }
.steps::before { content: ''; position: absolute; top: 31px; left: 12%; right: 12%; height: 1px; background: linear-gradient(90deg, transparent, rgba(246,201,76,.5), transparent); }
.step { text-align: center; padding: 0 8px; position: relative; }
.step .n { width: 62px; height: 62px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center; font-family: var(--serif); font-size: 24px; font-weight: 600; color: var(--gold-300);
  background: #0d1628; border: 1px solid rgba(246,201,76,.45); box-shadow: 0 0 0 8px #0a1222, 0 0 30px rgba(246,201,76,.2); }
.step h3 { margin: 0 0 8px; font-size: 17px; color: #fff; }
.step p { margin: 0; color: #93a1bb; font-size: 14px; line-height: 1.6; }

/* calculator */
.calc { display: grid; grid-template-columns: 1.1fr 1fr; overflow: hidden; border-radius: 26px; border: 1px solid rgba(246,201,76,.22);
  background: radial-gradient(500px 300px at 100% 0%, rgba(246,201,76,.16), transparent 70%), linear-gradient(135deg, #121e35, #0b1324); }
.calc-l { padding: 44px; }
.calc-r { padding: 44px; background: rgba(0,0,0,.18); border-left: 1px solid rgba(255,255,255,.06); display: flex; flex-direction: column; justify-content: center; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.chip { border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.03); color: #d5ddeb; padding: 10px 16px; border-radius: 12px; cursor: pointer; font-weight: 500; display: inline-flex; align-items: center; gap: 8px; }
.chip .coin { --size: 22px; filter: none; }
.chip.on { border-color: var(--gold-400); background: rgba(246,201,76,.12); color: #fff; }
.calc-out .lbl { color: #9fb0cc; font-size: 13px; }
.calc-out .big { font-family: var(--serif); font-size: clamp(36px, 4vw, 52px); font-weight: 600; margin: 4px 0 18px; }
.calc-out .kv { color: #c6d0e2; border-bottom: 1px dashed rgba(255,255,255,.1); padding: 10px 0; }
.calc-out .kv b { color: #fff; }

/* features */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.feat { padding: 26px; border-radius: 18px; background: rgba(255,255,255,.025); border: 1px solid rgba(255,255,255,.07); transition: border-color .2s, background .2s; }
.feat:hover { border-color: rgba(246,201,76,.3); background: rgba(246,201,76,.04); }
.feat i { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; font-style: normal; font-size: 22px; margin-bottom: 16px; background: linear-gradient(135deg, rgba(246,201,76,.25), rgba(246,201,76,.05)); border: 1px solid rgba(246,201,76,.3); }
.feat h3 { margin: 0 0 8px; color: #fff; font-size: 17px; }
.feat p { margin: 0; color: #93a1bb; font-size: 14px; line-height: 1.65; }

/* faq */
.faq { max-width: 820px; margin: 40px auto 0; display: grid; gap: 12px; }
.faq details { border-radius: 16px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); padding: 0 22px; }
.faq details[open] { border-color: rgba(246,201,76,.3); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 0; font-weight: 600; color: #fff; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--gold-400); font-size: 22px; line-height: 1; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 0 0 20px; color: #a9b6cc; line-height: 1.7; }

/* final cta */
.cta-band { position: relative; overflow: hidden; border-radius: 28px; padding: 64px 56px; display: flex; justify-content: space-between; align-items: center; gap: 30px;
  background: radial-gradient(500px 300px at 85% 50%, rgba(255,255,255,.3), transparent 70%), linear-gradient(120deg, #f8d778 0%, #e6ad2a 55%, #b9831a 100%); color: #2b1d02; }
.cta-band h2 { font-family: var(--serif); font-size: clamp(28px, 3.6vw, 42px); margin: 0 0 10px; font-weight: 600; }
.cta-band p { margin: 0; font-size: 16px; color: #4a3305; max-width: 520px; }
.cta-band .btn-dark { background: #0b1424; color: #fff; }
.cta-band .coins { display: flex; flex: none; }
.cta-band .coins .coin { --size: 130px; }
.cta-band .coins .coin + .coin { margin-left: -40px; margin-top: 50px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }

/* footer */
.site-foot { padding: 64px max(16px, calc((100vw - 1180px) / 2)) 120px; border-top: 1px solid rgba(255,255,255,.06); background: #050a14; color: #8090ad; font-size: 14px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.foot-grid h4 { color: #fff; margin: 0 0 14px; font-size: 14px; }
.foot-grid a { display: block; color: #9aa8c2; text-decoration: none; margin-bottom: 10px; }
.foot-grid a:hover { color: var(--gold-400); }
.foot-grid p { line-height: 1.7; margin: 14px 0 0; max-width: 340px; }
.foot-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.06); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12.5px; }

@media (prefers-reduced-motion: reduce) {
  .ticker-track, .hero-stage .coin, .hero-stage .orbit { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}
@media (max-width: 980px) {
  .hero-grid, .split, .calc { grid-template-columns: 1fr; }
  .hero-stage { height: 420px; max-width: 520px; margin: 0 auto; width: 100%; }
  .hero-stage .c-gold { --size: 230px; left: 6%; }
  .hero-stage .c-silver { --size: 170px; top: 200px; }
  .coll, .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-strip { grid-template-columns: repeat(2, 1fr); }
  .trust-strip > div:nth-child(2) { border-right: 0; }
  .trust-strip > div:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.08); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .steps::before { display: none; }
  .calc-r { border-left: 0; border-top: 1px solid rgba(255,255,255,.06); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 48px 28px; }
  .cta-band p { margin: 0 auto; }
}
@media (max-width: 600px) {
  .lp { margin-top: -16px; }
  .lp-section { padding: 64px 0; }
  .lp-hero { padding: 48px 0 40px; }
  .lp-hero .lp-sub { font-size: 16px; }
  .hero-stage { height: 340px; }
  .hero-stage .c-gold { --size: 180px; top: 70px; left: 2%; }
  .hero-stage .c-silver { --size: 130px; top: 180px; right: 2%; }
  .hero-stage .c-mini { display: none; }
  .hero-stage .halo, .hero-stage .orbit.o1 { width: 320px; height: 320px; }
  .hero-stage .orbit.o2 { width: 240px; height: 240px; }
  .price-float { width: 200px; padding: 12px 14px; top: 0; }
  .price-float .val { font-size: 17px; }
  .serial-float { left: 0; bottom: 0; }
  .hero-proof { gap: 18px; }
  .hero-proof div { min-width: 40%; }
  .coll, .feat-grid, .trust-strip { grid-template-columns: 1fr; }
  .trust-strip > div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .steps { grid-template-columns: 1fr; }
  .calc-l, .calc-r { padding: 28px 22px; }
  .id-visual { min-height: 360px; }
  .id-visual .coin { --size: 180px; }
  .id-card { font-size: 12px; padding: 10px 12px; }
  .foot-grid { grid-template-columns: 1fr; }
  .cta-band .coins .coin { --size: 96px; }
}

/* ---------- auth (login / register) ---------- */
.auth { --serif: 'Playfair Display', Georgia, serif; display: grid; grid-template-columns: 1fr 1fr; min-height: calc(100vh - 66px);
  margin: -24px calc(-1 * max(16px, (100vw - 1180px) / 2)) -110px; }
.auth-brand { position: relative; overflow: hidden; padding: 64px max(32px, calc((100vw - 1180px) / 2)) 64px max(32px, calc((100vw - 1180px) / 2));
  background: radial-gradient(600px 420px at 85% 85%, rgba(246,201,76,.28), transparent 65%), radial-gradient(500px 400px at 0% 0%, rgba(59,91,170,.3), transparent 60%), linear-gradient(160deg, #0d1730 0%, #0a1120 55%, #1d1608 100%);
  border-right: 1px solid rgba(246,201,76,.14); display: flex; flex-direction: column; }
.auth-brand::after { content: ''; position: absolute; inset: 0; opacity: .3; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.12) 1px, transparent 1px); background-size: 26px 26px;
  mask-image: linear-gradient(180deg, #000, transparent 75%); -webkit-mask-image: linear-gradient(180deg, #000, transparent 75%); }
.auth-brand-inner { position: relative; z-index: 1; max-width: 460px; }
.auth-brand h2 { font-family: var(--serif); font-size: clamp(32px, 3.4vw, 46px); line-height: 1.1; margin: 16px 0 14px; font-weight: 600; color: #fff; }
.auth-brand p { color: #b3bfd4; font-size: 16px; line-height: 1.7; margin: 0; }
.auth-points { list-style: none; padding: 0; margin: 28px 0; display: grid; gap: 14px; }
.auth-points li { display: flex; gap: 12px; align-items: center; color: #d5ddeb; font-size: 15px; }
.auth-points li::before { content: '✓'; flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; color: #2b1d02; background: var(--gold-grad); }
.auth-rates { display: inline-flex; gap: 0; padding: 0; overflow: hidden; }
.auth-rates div { padding: 14px 20px; display: flex; flex-direction: column; gap: 2px; }
.auth-rates div + div { border-left: 1px solid rgba(255,255,255,.1); }
.auth-rates span { font-size: 12px; color: #9fb0cc; }
.auth-rates b { color: #fff; font-size: 18px; }
.auth-rates small { font-size: 12px; color: #9fb0cc; font-weight: 400; }
.auth-coins { position: absolute; right: -40px; bottom: -30px; display: flex; align-items: flex-end; z-index: 0; }
.auth-coins .coin { --size: 240px; filter: drop-shadow(0 30px 40px rgba(0,0,0,.5)); animation: float 8s ease-in-out infinite; }
.auth-coins .coin + .coin { --size: 170px; margin-left: -70px; margin-bottom: -10px; animation-delay: -3s; }

.auth-main { display: grid; place-items: center; padding: 48px 24px 80px; background: radial-gradient(500px 360px at 50% 20%, rgba(246,201,76,.07), transparent 70%), #070d1a; }
.auth-card { width: min(440px, 100%); }
.auth-card h1 { font-family: var(--serif); font-size: 36px; font-weight: 600; margin: 0; color: #fff; }
.auth-sub { color: #93a1bb; margin: 6px 0 24px; }
.auth-card .field label { color: #c3cde0; font-size: 13px; }
.auth-card .opt { color: #7f8fab; font-weight: 400; margin-left: 4px; }
.auth-card .input { background: rgba(255,255,255,.04); border: 1px solid #2b3d62; color: #fff; padding: 14px 15px; border-radius: 12px; transition: border-color .15s, background .15s; }
.auth-card .input::placeholder { color: #6f7f9c; }
.auth-card .input:focus { border-color: var(--gold-400); background: rgba(246,201,76,.04); box-shadow: 0 0 0 4px rgba(246,201,76,.12); }
.auth-card .input:disabled { opacity: .5; }
.input-group { position: relative; display: flex; align-items: stretch; }
.input-group .prefix { display: flex; align-items: center; padding: 0 12px; border: 1px solid #2b3d62; border-right: 0; border-radius: 12px 0 0 12px; background: rgba(255,255,255,.06); color: #c3cde0; font-size: 14px; white-space: nowrap; }
.input-group .prefix + .input { border-radius: 0 12px 12px 0; }
.input-group .input { flex: 1; min-width: 0; }
.pw-toggle { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); border: 0; background: rgba(255,255,255,.06); color: #c3cde0; font-size: 12px; font-weight: 600; padding: 6px 10px; border-radius: 8px; cursor: pointer; }
.pw-toggle:hover { color: #fff; }
.inline-btn { position: absolute; right: 7px; top: 50%; transform: translateY(-50%); padding: 8px 12px; border-color: rgba(246,201,76,.4); color: var(--gold-300); }
.inline-btn:disabled { opacity: .6; }
.otp-input { letter-spacing: .5em; font-weight: 600; font-size: 18px; }
.otp-note { margin-top: 10px; padding: 10px 12px; border-radius: 10px; background: rgba(246,201,76,.08); border: 1px dashed rgba(246,201,76,.35); display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: 12.5px; }
.otp-note span { color: #b3bfd4; }
.otp-note b { color: var(--gold-300); letter-spacing: .08em; }
.seg { display: flex; padding: 4px; border-radius: 12px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); margin-bottom: 20px; }
.seg button { flex: 1; border: 0; background: transparent; color: #aab6cc; padding: 10px; border-radius: 9px; font-weight: 600; cursor: pointer; }
.seg button.on { background: rgba(255,255,255,.1); color: #fff; box-shadow: inset 0 0 0 1px rgba(246,201,76,.35); }
.auth-alt { display: flex; align-items: center; gap: 12px; margin: 26px 0 14px; color: #7f8fab; font-size: 13px; }
.auth-alt::before, .auth-alt::after { content: ''; flex: 1; height: 1px; background: rgba(255,255,255,.1); }
.auth-secure { text-align: center; color: #7486a6; font-size: 12.5px; margin-top: 22px; }
.auth-foot { text-align: center; color: #93a1bb; margin-top: 20px; }
.auth-foot a, .auth-check a { color: var(--gold-400); }
.auth-check { color: #b3bfd4; margin: 16px 0 20px; }
.auth-steps { list-style: none; padding: 0; margin: 0 0 26px; display: flex; gap: 6px; }
.auth-steps li { flex: 1; display: flex; align-items: center; gap: 8px; font-size: 12px; color: #7f8fab; padding-bottom: 10px; border-bottom: 2px solid rgba(255,255,255,.1); }
.auth-steps li.on { color: #fff; border-color: var(--gold-400); }
.auth-steps i { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-style: normal; font-size: 11px; font-weight: 700; background: rgba(255,255,255,.08); }
.auth-steps li.on i { background: var(--gold-grad); color: #2b1d02; }
.strength { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: -6px 0 6px; }
.strength i { height: 4px; border-radius: 4px; background: rgba(255,255,255,.1); }
.strength i.s1 { background: #ef4444; } .strength i.s2 { background: #f59e0b; } .strength i.s3 { background: #84cc16; } .strength i.s4 { background: #22c55e; }
.auth-card .hint { color: #7f8fab; }

@media (max-width: 900px) {
  .auth { grid-template-columns: 1fr; min-height: 0; }
  .auth-brand { padding: 36px 20px 30px; border-right: 0; border-bottom: 1px solid rgba(246,201,76,.14); }
  .auth-brand h2 { font-size: 30px; padding-right: 110px; }
  .auth-brand p { padding-right: 90px; font-size: 14px; }
  .auth-points, .auth-rates { display: none; }
  .auth-coins { right: -30px; bottom: auto; top: 26px; }
  .auth-coins .coin { --size: 120px; }
  .auth-coins .coin + .coin { --size: 84px; margin-left: -40px; }
  .auth-main { padding: 28px 16px 120px; place-items: start center; }
  .auth-card h1 { font-size: 30px; }
}
@media (max-width: 600px) { .auth { margin-top: -16px; } }

/* ---------- auth v2: pinned brand panel, glass card, stepped register ---------- */
@media (min-width: 901px) {
  .auth-brand { position: sticky; top: 66px; height: calc(100vh - 66px); justify-content: center; }
}
.auth-main { background: radial-gradient(520px 380px at 50% 18%, rgba(246,201,76,.09), transparent 70%), radial-gradient(420px 320px at 90% 100%, rgba(59,91,170,.18), transparent 70%), #070d1a; }
.auth-card { position: relative; width: min(460px, 100%); padding: 34px 32px 28px; border-radius: 24px;
  background: linear-gradient(180deg, rgba(23,36,62,.78), rgba(13,22,40,.82)); border: 1px solid rgba(246,201,76,.16);
  box-shadow: 0 30px 80px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.05); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.auth-card::before { content: ''; position: absolute; left: 32px; right: 32px; top: -1px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, transparent, var(--gold-400), transparent); }
.auth-card h1 { font-size: 32px; }
.auth-sub .hl { color: #fff; font-weight: 600; white-space: nowrap; }
.auth-sub a, .link-btn { color: var(--gold-400); }
.link-btn { border: 0; background: none; padding: 0; font: inherit; font-weight: 600; cursor: pointer; }
.link-btn:disabled { color: #7f8fab; cursor: default; }

.reg-progress { display: flex; align-items: center; margin-bottom: 28px; }
.reg-progress b { flex: 1; height: 2px; margin: 0 8px; border-radius: 2px; background: rgba(255,255,255,.1); }
.rp { display: flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600; color: #7f8fab; white-space: nowrap; }
.rp i { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-style: normal; font-size: 12px; border: 1.5px solid rgba(255,255,255,.18); color: #9fb0cc; transition: all .25s; }
.rp.on { color: #fff; }
.rp.on i { border-color: var(--gold-400); color: var(--gold-300); box-shadow: 0 0 0 5px rgba(246,201,76,.12); }
.rp.done { color: #c3cde0; }
.rp.done i { background: var(--gold-grad); border-color: transparent; color: #2b1d02; }
.rp.done + b { background: linear-gradient(90deg, var(--gold-500), rgba(246,201,76,.3)); }

.reg-pane { animation: paneIn .35s ease both; }
@keyframes paneIn { from { opacity: 0; transform: translateX(14px); } to { opacity: 1; transform: none; } }

.input-group.icon .ico { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); font-size: 15px; opacity: .7; pointer-events: none; }
.input-group.icon .input { padding-left: 42px; }

.otp-boxes { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; margin: 6px 0 4px; }
.otp-box { width: 100%; aspect-ratio: 1 / 1.15; text-align: center; font-size: 24px; font-weight: 700; color: #fff; border-radius: 14px;
  border: 1.5px solid #2b3d62; background: rgba(255,255,255,.04); outline: none; transition: border-color .15s, box-shadow .15s, background .15s; caret-color: var(--gold-400); }
.otp-box:focus { border-color: var(--gold-400); box-shadow: 0 0 0 4px rgba(246,201,76,.14); background: rgba(246,201,76,.05); }
.otp-box.filled { border-color: rgba(246,201,76,.55); background: rgba(246,201,76,.07); }
.reg-resend { display: flex; justify-content: center; gap: 8px; margin-top: 18px; color: #93a1bb; font-size: 14px; }

.reg-perks { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px 16px; margin: 20px 0 0; font-size: 12.5px; color: #9fb0cc; }
.reg-perks span { color: #c3cde0; }
.back-link { display: block; margin: 16px auto 0; color: #9fb0cc; font-weight: 500; }
.back-link:hover { color: #fff; }

.reg-done { text-align: center; padding: 10px 0 6px; }
.reg-done-coin .coin { --size: 120px; margin: 0 auto 18px; animation: float 4s ease-in-out infinite; }

@media (max-width: 900px) {
  .auth-card { padding: 26px 20px 22px; border-radius: 20px; }
  .auth-card::before { left: 20px; right: 20px; }
}
@media (max-width: 400px) {
  .rp span { display: none; }
  .otp-boxes { gap: 7px; }
  .otp-box { font-size: 20px; border-radius: 11px; }
}