/* Solvex — solvex.trade. Black, grey hairlines, gold used like jewellery: the mark, the key numbers, one line of the
   headline, the buttons. Instrument Serif for the voice, Geist to read, Geist Mono for every number. */
@font-face { font-family: "Geist"; src: url("fonts/geist.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("fonts/geist-mono.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("fonts/InstrumentSerif.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("fonts/InstrumentSerif-Italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }

:root {
  --bg: #000; --bg1: #050505; --bg2: #0a0a0a; --bg3: #111112; --bg4: #19191b;
  --ink: #f5f4f0; --ink2: #b9b8b2; --muted: #7c7b76; --faint: #4c4b48;
  --line: rgba(255, 255, 255, .08); --line2: rgba(255, 255, 255, .13); --line3: rgba(255, 255, 255, .22);
  --gold: #e6b84f; --gold2: #f5d78d; --gold3: #a8781f;
  --gold-grad: linear-gradient(100deg, #8e6420 0%, #d6a647 22%, #f7dc9a 42%, #d6a647 60%, #a8781f 82%, #e9c26a 100%);
  --serif: "Instrument Serif", "Times New Roman", serif; --sans: "Geist", ui-sans-serif, system-ui, sans-serif; --mono: "Geist Mono", ui-monospace, Menlo, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --wrap: 1160px; --gut: clamp(18px, 4vw, 44px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--gold); color: #000; }
:focus-visible { outline: 1.5px solid var(--gold); outline-offset: 3px; border-radius: 3px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.gold { color: var(--gold); } .dim { color: var(--muted); }
.gold-text { background: var(--gold-grad); background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: sheen 9s linear infinite; }
@keyframes sheen { 0% { background-position: 0% 0; } 100% { background-position: 200% 0; } }
.dim-serif { color: var(--muted); }
.wrap { width: 100%; max-width: calc(var(--wrap) + 2 * var(--gut)); margin: 0 auto; padding: 0 var(--gut); }

/* atmosphere: film grain + two architectural hairlines down the page */
.grain { position: fixed; inset: -50%; z-index: 100; pointer-events: none; opacity: .055; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); }
.rails { position: absolute; inset: 0 0 auto 0; height: 100%; pointer-events: none; z-index: 0; }
.rails i { position: absolute; top: 0; bottom: 0; width: 1px; background: linear-gradient(180deg, transparent, var(--line) 8%, var(--line) 92%, transparent); }
.rails i:first-child { left: max(var(--gut), calc((100% - var(--wrap)) / 2 - 1px)); }
.rails i:last-child { right: max(var(--gut), calc((100% - var(--wrap)) / 2 - 1px)); }
main, .foot, .nav { position: relative; z-index: 1; }

/* ── nav ── */
.nav { position: sticky; top: 0; z-index: 30; background: rgba(0, 0, 0, .66); backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 36px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 600 17px/1 var(--sans); letter-spacing: -.02em; }
.mark { width: 22px; height: 22px; flex: 0 0 auto; }
.nav-links { display: flex; gap: 30px; }
.nav-links a { font: 450 13.5px/1 var(--sans); color: var(--ink2); transition: color .15s; }
.nav-links a:hover { color: var(--ink); }
.nav-r { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.nav-x { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 999px; color: var(--ink2); border: 1px solid var(--line2); transition: color .15s, border-color .15s; }
.nav-x:hover { color: var(--ink); border-color: var(--line3); }
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 34px; padding: 0 16px; border-radius: 999px; font: 550 13.5px/1 var(--sans); letter-spacing: -.005em; white-space: nowrap; transition: transform .2s var(--ease), box-shadow .2s, background .2s, border-color .2s; }
.btn-lg { height: 48px; padding: 0 26px; font-size: 15px; }
.btn-gold { color: #120c00; background: linear-gradient(180deg, #f6d995 0%, #e2b14b 52%, #c8922f 100%); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .55), inset 0 -1px 0 rgba(0, 0, 0, .2), 0 0 0 1px rgba(168, 120, 31, .8), 0 10px 30px -12px rgba(230, 184, 79, .55); }
.btn-gold:hover { transform: translateY(-1px); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .6), inset 0 -1px 0 rgba(0, 0, 0, .2), 0 0 0 1px rgba(168, 120, 31, .9), 0 16px 40px -12px rgba(230, 184, 79, .7); }
.btn-line { color: var(--ink); border: 1px solid var(--line3); background: rgba(255, 255, 255, .02); }
.btn-line:hover { border-color: rgba(255, 255, 255, .4); background: rgba(255, 255, 255, .05); }
.burger { display: none; width: 34px; height: 34px; border: 1px solid var(--line2); border-radius: 999px; background: none; padding: 0; cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.burger i { display: block; width: 14px; height: 1.5px; background: var(--ink); }
.sheet { display: flex; flex-direction: column; padding: 8px var(--gut) 18px; border-top: 1px solid var(--line); }
.sheet a { padding: 12px 0; color: var(--ink2); border-bottom: 1px solid var(--line); } .sheet .btn { margin-top: 14px; border: 0; color: #120c00; }
.sheet[hidden] { display: none; }

/* ── hero ── */
.hero { position: relative; padding: clamp(72px, 11vw, 150px) 0 0; text-align: center; overflow: hidden; }
.hero::before { content: ""; position: absolute; left: 50%; top: -30%; width: 1400px; height: 900px; transform: translateX(-50%); background: radial-gradient(closest-side, rgba(230, 184, 79, .10), rgba(230, 184, 79, .03) 55%, transparent 75%); pointer-events: none; }
.hero-in { position: relative; display: flex; flex-direction: column; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: 10px; height: 32px; padding: 0 6px 0 12px; border-radius: 999px; border: 1px solid var(--line2); background: rgba(255, 255, 255, .025); font: 450 13px/1 var(--sans); color: var(--ink2); transition: border-color .2s; }
.pill:hover { border-color: rgba(230, 184, 79, .5); }
.pill-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 10px var(--gold); }
.pill-go { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: rgba(255, 255, 255, .06); color: var(--ink); font-size: 12px; }
h1 { margin: 28px 0 0; font: 400 clamp(54px, 9vw, 124px)/.95 var(--serif); letter-spacing: -.035em; }
h1 .gold-text { font-style: italic; padding-right: .06em; }
.lede { max-width: 50ch; margin: 28px auto 0; font-size: clamp(16px, 1.45vw, 18px); line-height: 1.6; color: var(--ink2); }
.cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 38px; }
.stage { position: relative; width: min(1320px, calc(100% - 2 * var(--gut))); margin: clamp(64px, 8vw, 110px) auto 0; perspective: 2400px; }
.halo { position: absolute; left: 6%; right: 6%; top: -6%; height: 70%; background: radial-gradient(60% 60% at 50% 0%, rgba(230, 184, 79, .28), transparent 70%); filter: blur(30px); }
.frame { position: relative; margin: 0; border-radius: 14px; overflow: hidden; background: var(--bg2); border: 1px solid var(--line2); transform: rotateX(8deg); transform-origin: 50% 0; box-shadow: 0 0 0 1px rgba(0, 0, 0, .9), 0 -1px 0 rgba(255, 255, 255, .08) inset, 0 60px 160px -50px rgba(0, 0, 0, 1), 0 -30px 120px -60px rgba(230, 184, 79, .55); }
.frame::after { content: ""; position: absolute; inset: auto 0 0 0; height: 42%; background: linear-gradient(180deg, transparent, #000 92%); pointer-events: none; }
.frame-bar { display: flex; align-items: center; gap: 7px; height: 34px; padding: 0 14px; background: var(--bg3); border-bottom: 1px solid var(--line); }
.frame-bar i { width: 10px; height: 10px; border-radius: 50%; background: #262628; }
.frame-bar span { margin: 0 auto; padding-right: 48px; font: 400 11.5px/1 var(--mono); color: var(--muted); }

/* ── numbers band ── */
.ledger-band { position: relative; margin-top: -40px; }
.band { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band-c { padding: 34px 28px; border-left: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; }
.band-c:first-child { border-left: 0; padding-left: 0; }
.band-c b { font-size: clamp(30px, 3.4vw, 44px); font-weight: 500; letter-spacing: -.03em; line-height: 1; }
.band-c span { font-size: 13.5px; color: var(--muted); }

/* ── sections ── */
.sec { padding: clamp(96px, 13vw, 180px) 0 0; }
.sec-h { margin-bottom: clamp(48px, 6vw, 80px); }
.kicker { margin: 0 0 22px; display: flex; align-items: center; gap: 12px; font: 500 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--ink2); }
.kicker .mono { color: var(--gold); letter-spacing: 0; }
.kicker::after { content: ""; flex: 0 0 56px; height: 1px; background: var(--line3); }
h2 { margin: 0; font: 400 clamp(42px, 5.6vw, 76px)/1 var(--serif); letter-spacing: -.03em; }
h3 { margin: 0; font: 550 clamp(22px, 2.1vw, 28px)/1.2 var(--sans); letter-spacing: -.025em; }

/* chapters: text and a real screen, alternating */
.chapter { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 88px); align-items: center; padding: clamp(40px, 5vw, 64px) 0; border-top: 1px solid var(--line); }
.chapter.flip .ch-t { order: 2; }
.ch-k { margin: 0 0 18px; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); }
.ch-t > p:not(.ch-k) { margin: 18px 0 0; color: var(--ink2); font-size: 16px; line-height: 1.65; max-width: 44ch; }
.ticks { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 22px; font-size: 14.5px; color: var(--ink2); }
.ticks li::before { content: ""; position: absolute; left: 0; top: .62em; width: 10px; height: 1px; background: var(--gold); }
.ch-img { position: relative; margin: 0; border-radius: 12px; overflow: hidden; border: 1px solid var(--line2); background: var(--bg2); box-shadow: 0 40px 100px -40px rgba(0, 0, 0, 1), 0 0 0 1px rgba(0, 0, 0, .8); }
.ch-img::after { content: ""; position: absolute; inset: 0; border-radius: inherit; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06); pointer-events: none; }
.ch-img img { width: 100%; transition: transform 1.2s var(--ease); }
.chapter:hover .ch-img img { transform: scale(1.015); }

/* fees */
.fees { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.calc { padding: clamp(24px, 3vw, 40px); border: 1px solid var(--line2); border-radius: 14px; background: linear-gradient(180deg, #0c0c0d, #070707); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05), 0 40px 100px -50px rgba(0, 0, 0, 1); }
.calc-top { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.calc-top label { font-size: 14px; color: var(--ink2); }
.calc-top output { font-size: 26px; font-weight: 500; letter-spacing: -.02em; }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 2px; margin: 26px 0 30px; background: linear-gradient(90deg, var(--gold) var(--p, 5%), var(--line2) var(--p, 5%)); outline: none; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: linear-gradient(180deg, #f6d995, #c8922f); border: 0; box-shadow: 0 0 0 4px rgba(230, 184, 79, .18), 0 2px 8px rgba(0, 0, 0, .6); cursor: pointer; }
input[type="range"]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: #e2b14b; border: 0; cursor: pointer; }
.calc-t { width: 100%; border-collapse: collapse; }
.calc-t th, .calc-t td { padding: 16px 0; border-top: 1px solid var(--line); font-size: 15px; }
.calc-t th { text-align: left; font-weight: 450; color: var(--ink2); }
.calc-t th span { margin-left: 6px; font-family: var(--mono); font-size: 13px; }
.calc-t td { text-align: right; font-size: 17px; font-weight: 500; }
.calc-t .is-hold th { color: var(--ink); }
.calc-save { margin: 8px 0 0; padding-top: 22px; border-top: 1px solid var(--line2); font-size: 16px; color: var(--ink2); }
.calc-save b { font-size: 22px; font-weight: 500; margin: 0 2px; }
.note { margin: 14px 0 0; font-size: 13px; line-height: 1.55; color: var(--muted); }
.note a, .faq a { color: var(--gold2); text-decoration: underline; text-decoration-color: rgba(230, 184, 79, .4); text-underline-offset: 3px; }
.steps { list-style: none; margin: 0; padding: 0; }
.steps li { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 12px; padding: 30px 0; border-top: 1px solid var(--line); }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.steps li > span { font-size: 13px; color: var(--gold); padding-top: 5px; letter-spacing: .06em; }
.steps h3 { font-size: 20px; }
.steps p { margin: 10px 0 0; color: var(--ink2); font-size: 15px; }

/* token: a black metal card with gold */
.token { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 7vw, 100px); align-items: center; }
.card-stage { position: relative; display: grid; place-items: center; padding: 40px 0; perspective: 1400px; }
.card-stage::before { content: ""; position: absolute; width: 80%; height: 60%; background: radial-gradient(closest-side, rgba(230, 184, 79, .22), transparent); filter: blur(40px); }
.card { position: relative; width: min(440px, 100%); aspect-ratio: 1.586; border-radius: 22px; padding: 28px 30px; overflow: hidden; color: var(--ink);
  background: radial-gradient(120% 140% at 0% 0%, #2a2a2d 0%, #121214 40%, #060607 100%);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .09) inset, 0 1px 0 rgba(255, 255, 255, .14) inset, 0 50px 90px -30px rgba(0, 0, 0, 1), 0 0 0 1px rgba(0, 0, 0, .9);
  transform: rotateX(14deg) rotateY(-18deg) rotateZ(2deg); transition: transform .8s var(--ease); display: flex; flex-direction: column; }
.card::before { content: ""; position: absolute; inset: 0; opacity: .5; background: repeating-linear-gradient(90deg, rgba(255, 255, 255, .018) 0 1px, transparent 1px 3px); }
.card-sheen { position: absolute; inset: -40%; background: linear-gradient(115deg, transparent 40%, rgba(247, 220, 154, .16) 48%, rgba(255, 255, 255, .08) 50%, transparent 58%); animation: sweep 7s var(--ease) infinite; }
@keyframes sweep { 0%, 15% { transform: translateX(-40%); } 60%, 100% { transform: translateX(40%); } }
.card-top { position: relative; display: flex; align-items: center; gap: 10px; font: 600 15px/1 var(--sans); letter-spacing: .32em; }
.card-top .mark { width: 26px; height: 26px; }
.card-chip { position: relative; width: 52px; height: 40px; margin-top: 30px; border-radius: 8px; background: linear-gradient(135deg, #f7dc9a, #c8922f 55%, #8e6420); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .25); }
.card-chip::after { content: ""; position: absolute; inset: 8px 10px; border: 1px solid rgba(0, 0, 0, .25); border-radius: 4px; }
.card-num { position: relative; margin-top: auto; font-size: 14px; letter-spacing: .18em; color: var(--ink2); }
.card-foot { position: relative; display: flex; justify-content: space-between; align-items: baseline; margin-top: 14px; }
.card-foot .mono { font-size: 11px; letter-spacing: .2em; color: var(--muted); }
.card-t { font: 400 28px/1 var(--serif); font-style: italic; }
.card-stage:hover .card { transform: rotateX(6deg) rotateY(-8deg) rotateZ(0deg); }
.token-t > p:not(.kicker):not(.note) { margin: 26px 0 0; color: var(--ink2); max-width: 44ch; font-size: 16.5px; }
.kv { margin: 34px 0 0; border-top: 1px solid var(--line); }
.kv > div { display: flex; justify-content: space-between; gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.kv dt { color: var(--muted); font-size: 14px; } .kv dd { margin: 0; font-size: 14px; }

/* faq */
.faq-wrap { max-width: calc(880px + 2 * var(--gut)); }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 24px 0; font: 450 18px/1.35 var(--sans); letter-spacing: -.01em; transition: color .15s; }
.faq summary:hover { color: var(--gold2); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: 0 0 auto; font: 300 22px/1 var(--sans); color: var(--muted); transition: transform .25s var(--ease), color .2s; }
.faq details[open] summary::after { transform: rotate(45deg); color: var(--gold); }
.faq details p { margin: 0 0 24px; color: var(--ink2); max-width: 68ch; }

/* final */
.final { position: relative; padding: clamp(120px, 15vw, 200px) 0 clamp(110px, 13vw, 170px); text-align: center; overflow: hidden; }
.final::before { content: ""; position: absolute; left: 50%; bottom: -40%; width: 1200px; height: 700px; transform: translateX(-50%); background: radial-gradient(closest-side, rgba(230, 184, 79, .16), transparent 70%); }
.final-in { position: relative; display: flex; flex-direction: column; align-items: center; gap: 44px; }
.final h2 { font-size: clamp(52px, 8vw, 110px); line-height: .95; }
.final h2 .gold-text { font-style: italic; }

/* footer */
.foot { border-top: 1px solid var(--line); background: var(--bg); }
.foot-in { display: grid; grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr)); gap: 32px; padding-top: 60px; padding-bottom: 44px; }
.foot-b p { margin: 16px 0 0; color: var(--muted); font-size: 14px; }
.foot-c { display: flex; flex-direction: column; gap: 11px; }
.foot-c h4 { margin: 0 0 6px; font: 500 11px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.foot-c a { font-size: 14px; color: var(--ink2); transition: color .15s; } .foot-c a:hover { color: var(--gold2); }
.foot-legal { padding-top: 24px; padding-bottom: 40px; border-top: 1px solid var(--line); }
.foot-legal p { margin: 0; font-size: 12.5px; line-height: 1.6; color: var(--faint); max-width: 110ch; }

/* legal pages */
.doc { padding: clamp(64px, 9vw, 120px) 0 clamp(90px, 11vw, 140px); }
.doc .wrap { max-width: calc(760px + 2 * var(--gut)); }
.doc .eyebrow { margin: 0; font: 500 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--gold); }
.doc h1 { margin-top: 18px; font-size: clamp(46px, 6vw, 72px); text-align: left; }
.doc .upd { margin: 16px 0 48px; font: 400 12px/1 var(--mono); color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.doc h2 { margin: 48px 0 12px; font: 550 20px/1.3 var(--sans); letter-spacing: -.015em; }
.doc p, .doc li { color: var(--ink2); font-size: 15.5px; line-height: 1.75; }
.doc ul { padding-left: 20px; }
.doc a { color: var(--gold2); }

/* motion */
.rise { opacity: 0; transform: translateY(16px); filter: blur(6px); animation: rise 1s var(--ease) forwards; animation-delay: calc(var(--i, 0) * 90ms + 100ms); }
@keyframes rise { to { opacity: 1; transform: none; filter: none; } }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rise, .reveal { opacity: 1; transform: none; filter: none; }
  html { scroll-behavior: auto; }
}

/* ── breakpoints ── */
@media (max-width: 1020px) {
  .nav-links { display: none; }
  .chapter, .fees, .token { grid-template-columns: minmax(0, 1fr); }
  .chapter.flip .ch-t { order: 0; }
  .band { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .band-c:nth-child(3) { border-left: 0; padding-left: 0; }
  .band-c:nth-child(n+3) { border-top: 1px solid var(--line); }
  .foot-in { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .foot-b { grid-column: 1 / -1; }
  .rails { display: none; }
}
@media (max-width: 720px) {
  .nav-r .btn-gold, .nav-x { display: none; }
  .burger { display: inline-flex; }
  .frame { transform: none; }
  .ledger-band { margin-top: 0; }
  .band-c { padding: 24px 16px; } .band-c:nth-child(odd) { padding-left: 0; }
  .card { transform: none; }
  .foot-in { grid-template-columns: minmax(0, 1fr); }
}

/* the logo the owner set (kit #17 'eclipse'): a real disc, lit, floating gently over the headline */
img.mark { width: 24px; height: 24px; filter: drop-shadow(0 0 6px rgba(255, 168, 30, .45)); }
.card-top img.mark { width: 28px; height: 28px; }
.hero-mark { position: relative; width: 104px; height: 104px; margin-bottom: 30px; }
.hero-mark::before { content: ""; position: absolute; inset: -60%; border-radius: 50%; background: radial-gradient(closest-side, rgba(255, 168, 30, .32), rgba(255, 168, 30, .08) 55%, transparent 72%); filter: blur(8px); animation: breathe 6s ease-in-out infinite; }
.hero-mark img { position: relative; width: 100%; height: 100%; filter: drop-shadow(0 18px 30px rgba(0, 0, 0, .9)) drop-shadow(0 0 22px rgba(255, 168, 30, .35)); animation: float 7s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes breathe { 0%, 100% { opacity: .75; transform: scale(1); } 50% { opacity: 1; transform: scale(1.06); } }
@media (max-width: 720px) { .hero-mark { width: 84px; height: 84px; margin-bottom: 24px; } }

/* ── docs ── */
.docs { padding: clamp(48px, 7vw, 88px) 0 clamp(90px, 11vw, 140px); }
.docs-in { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.docs-nav { position: sticky; top: 92px; display: flex; flex-direction: column; gap: 2px; max-height: calc(100vh - 120px); overflow-y: auto; }
.docs-k { margin: 18px 0 8px; font: 500 11px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--gold); }
.docs-k:first-child { margin-top: 0; }
.docs-nav a { padding: 6px 10px; margin-left: -10px; border-radius: 6px; font-size: 14px; color: var(--ink2); transition: color .15s, background .15s; }
.docs-nav a:hover { color: var(--ink); background: rgba(255, 255, 255, .04); }
.docs-body { max-width: 760px; }
.docs-body .eyebrow { margin: 0; font: 500 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--gold); }
.docs-body h1 { margin-top: 18px; text-align: left; font-size: clamp(46px, 6vw, 72px); }
.docs-body .upd { margin: 16px 0 40px; font: 400 12px/1 var(--mono); color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.docs-body h2 { margin: 56px 0 14px; padding-top: 28px; border-top: 1px solid var(--line); font: 550 24px/1.25 var(--sans); letter-spacing: -.02em; scroll-margin-top: 90px; }
.docs-body p, .docs-body li { color: var(--ink2); font-size: 15.5px; line-height: 1.75; }
.docs-body b { color: var(--ink); font-weight: 600; }
.docs-body ul, .docs-body ol { padding-left: 20px; } .docs-body li { margin: 6px 0; }
.docs-body a { color: var(--gold2); text-decoration: underline; text-decoration-color: rgba(230, 184, 79, .4); text-underline-offset: 3px; }
.docs-table { margin: 18px 0; border: 1px solid var(--line2); border-radius: 12px; overflow: hidden; }
.docs-table table { width: 100%; border-collapse: collapse; }
.docs-table th, .docs-table td { padding: 14px 18px; text-align: left; border-top: 1px solid var(--line); font-size: 15px; }
.docs-table thead th { border-top: 0; font: 500 11px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); background: var(--bg2); }
.docs-table td:last-child { text-align: right; }
@media (max-width: 900px) { .docs-in { grid-template-columns: minmax(0, 1fr); } .docs-nav { position: static; max-height: none; flex-direction: row; flex-wrap: wrap; gap: 4px 8px; } .docs-k { width: 100%; } }