:root {
  --ink: #0E0F26;          /* deep violet-navy */
  --ink-2: #16183A;        /* raised surface */
  --steel: #3B4170;        /* ribbed glass */
  --chrome: #C9CCE4;       /* chrome highlight */
  --zec: #F4B728;          /* Zcash yellow */
  --zec-ink: #2B1E00;
  --mist: #ECEDF7;
  --muted: #9A9EC0;
  --mint: #9FE8C3;
  --rose: #FFB0A8;
  --line: rgba(236, 237, 247, 0.11);
  --maxw: 1200px;
  --font: "Sora", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--ink); color: var(--mist);
  font-family: var(--font); font-size: 17px; line-height: 1.6; font-weight: 300;
  -webkit-font-smoothing: antialiased;
}
img, canvas, svg { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--zec); outline-offset: 3px; border-radius: 8px; }
strong { font-weight: 500; }
.sky { display: none; }

/* ---------- hero ---------- */
.hero-wrap { padding: 0; }
.hero {
  position: relative; overflow: hidden;
  min-height: min(100vh, 940px);
  padding: 26px clamp(20px, 5vw, 64px) 0;
  display: grid; grid-template-rows: auto 1fr;
  background:
    radial-gradient(700px 520px at 74% 52%, rgba(244, 183, 40, 0.10), transparent 70%),
    radial-gradient(900px 700px at 70% 40%, #2A2E63 0%, transparent 65%),
    var(--ink);
  isolation: isolate;
}
.ribs {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: repeating-linear-gradient(90deg,
    rgba(201, 204, 228, 0.00) 0px, rgba(201, 204, 228, 0.07) 9px,
    rgba(14, 15, 38, 0.10) 15px, rgba(201, 204, 228, 0.00) 22px);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 30%, #000 70%, transparent 100%),
                      radial-gradient(60% 70% at 72% 50%, #000 0%, transparent 75%);
  -webkit-mask-composite: source-in;
          mask-image: radial-gradient(60% 75% at 72% 50%, #000 10%, transparent 75%);
}

.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; position: relative; z-index: 3; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 500; text-decoration: none; margin: 0; letter-spacing: -0.01em; }
.brand-dot {
  width: 22px; height: 22px; border-radius: 6px; flex: none;
  background: var(--zec); color: var(--zec-ink);
  display: grid; place-items: center; font-size: 13px; font-weight: 600;
}
.brand-dot::after { content: "Z"; }
.nav-links { list-style: none; margin: 0; padding: 0; display: flex; gap: 6px; align-items: center; }
.nav-links a { display: block; padding: 8px 14px; border-radius: 999px; text-decoration: none; font-size: 14px; color: var(--muted); }
.nav-links a:hover { color: var(--mist); }
.nav-links .nav-cta { background: var(--mist); color: var(--ink); font-weight: 500; }
.nav-links .nav-cta:hover { background: #fff; color: var(--ink); }

.hero-copy {
  position: relative; z-index: 2; align-self: end;
  max-width: 780px; padding-bottom: clamp(56px, 10vh, 110px);
}
.hero h1 { margin: 0; font-weight: 200; font-size: clamp(44px, 5.4vw, 82px); line-height: 1.02; letter-spacing: -0.045em; }
.sub { margin: 24px 0 0; max-width: 36ch; font-size: clamp(17px, 1.4vw, 20px); color: var(--muted); }
.hero-actions { margin-top: 34px; display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 999px;
  font: 500 15px/1 var(--font); text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background .15s ease, transform .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .55; cursor: progress; }
.btn-mint { background: var(--zec); color: var(--zec-ink); }
.btn-mint:hover { background: #FFC84A; }
.btn-ghost { border-color: var(--line); color: var(--mist); background: rgba(236,237,247,.03); }
.btn-ghost:hover { background: rgba(236,237,247,.08); }
.btn-line { border-color: var(--line); color: var(--mist); background: transparent; }
.btn-line:hover { border-color: rgba(244,183,40,.6); color: var(--zec); }

/* the note stack */
.stage {
  position: absolute; z-index: 1; right: clamp(-40px, 2vw, 60px); top: 50%;
  width: min(700px, 50vw); aspect-ratio: 1.15; transform: translateY(-46%);
  perspective: 1400px;
}
.stack { position: absolute; inset: 0; transform-style: preserve-3d; transform: rotateX(18deg) rotateY(-22deg) rotateZ(-6deg); transition: transform .4s ease-out; }
.note {
  position: absolute; left: 6%; top: 24%; width: 88%; aspect-ratio: 2.1;
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.20), rgba(255,255,255,.02) 40%, rgba(255,255,255,.08) 80%),
    linear-gradient(160deg, #4A5190 0%, #262A5C 55%, #1A1D45 100%);
  border: 1px solid rgba(201, 204, 228, .35);
  box-shadow: 0 40px 80px rgba(5, 6, 20, .6), inset 0 1px 0 rgba(255,255,255,.35);
}
.note-back2 { transform: translateZ(-120px) translateY(-14%) rotateZ(9deg); opacity: .5; }
.note-back1 { transform: translateZ(-60px) translateY(-7%) rotateZ(4deg); opacity: .75; }
.note-front { transform: translateZ(0); padding: 6% 7%; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.note-ribs {
  position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,.0) 0 7px, rgba(255,255,255,.07) 7px 9px, rgba(0,0,0,.08) 9px 12px);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 55%, #000 100%);
          mask-image: linear-gradient(90deg, transparent 0%, #000 55%, #000 100%);
}
.note-row { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.note-kicker { font-size: clamp(11px, 1vw, 14px); letter-spacing: .08em; color: var(--chrome); }
.seal {
  width: clamp(38px, 4.4vw, 58px); height: clamp(38px, 4.4vw, 58px); border-radius: 50%;
  display: grid; place-items: center;
  background: radial-gradient(circle at 35% 30%, #FFE08A, var(--zec) 55%, #B9850E);
  color: var(--zec-ink); font-weight: 600; font-size: clamp(18px, 2vw, 26px);
  box-shadow: 0 0 0 6px rgba(244,183,40,.15), 0 0 40px rgba(244,183,40,.45);
}
.note-title { position: relative; font-size: clamp(22px, 2.8vw, 40px); font-weight: 200; letter-spacing: -0.03em; }
.serial { font: 500 clamp(10px, .95vw, 13px)/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; color: var(--chrome); }
.note-holder { display: inline-flex; align-items: center; gap: 8px; font-size: clamp(11px, 1vw, 14px); color: var(--mist); }

.hero-foot { position: absolute; right: clamp(20px, 5vw, 64px); bottom: 26px; z-index: 2; margin: 0; font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.hero-foot::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--zec); box-shadow: 0 0 12px var(--zec); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; } }

.avatar { display: block; width: 72px; height: 72px; border-radius: 50%; overflow: hidden; background: var(--steel); flex: none; }
.avatar svg { width: 100%; height: 100%; }
.avatar-lg { width: 112px; height: 112px; }
.avatar-xs { width: 26px; height: 26px; }

.chip { display: inline-flex; align-items: center; padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 400; line-height: 1.4; }
.chip-held { background: rgba(244,183,40,.16); color: var(--zec); }
.chip-spent { background: rgba(255,176,168,.14); color: var(--rose); }
.chip-valid { background: rgba(201,204,228,.12); color: var(--mist); }

/* ---------- sections ---------- */
main > section { max-width: var(--maxw); margin: 0 auto; padding: clamp(90px, 12vw, 150px) 20px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head h2, .challenge h2 { margin: 0; font-weight: 200; letter-spacing: -0.035em; font-size: clamp(34px, 4.2vw, 56px); line-height: 1.08; }
.section-head p { margin: 18px 0 0; color: var(--muted); }

/* definition */
.zote { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.definition h2 { margin: 0; font-weight: 200; font-size: clamp(72px, 10vw, 140px); line-height: .9; letter-spacing: -0.06em; }
.definition .pron { font-size: .2em; letter-spacing: 0; color: var(--zec); vertical-align: middle; margin-left: .3em; }
.def-noun { margin: 16px 0 6px; color: var(--muted); font-style: italic; }
.def-text { margin: 0; font-size: clamp(19px, 1.7vw, 23px); max-width: 30ch; }
.facts article { padding: 26px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 36px minmax(0, 1fr); gap: 0 16px; }
.facts article:last-child { border-bottom: 1px solid var(--line); }
.facts article::before { content: ""; grid-row: span 2; width: 22px; height: 14px; margin-top: 6px; border-radius: 4px; border: 1px solid rgba(244,183,40,.7); background: repeating-linear-gradient(90deg, transparent 0 3px, rgba(244,183,40,.35) 3px 4px); }
.facts h3 { margin: 0 0 6px; font-weight: 400; font-size: 19px; }
.facts p { margin: 0; color: var(--muted); max-width: 52ch; }

/* collection: zotes as notes */
.zote-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.zote-card {
  position: relative; border-radius: 22px; overflow: hidden;
  background: linear-gradient(160deg, #24285A, var(--ink-2) 60%);
  border: 1px solid var(--line);
  display: flex; flex-direction: column;
}
.zote-card.is-featured { border-color: rgba(244,183,40,.5); box-shadow: 0 0 0 1px rgba(244,183,40,.15), 0 30px 60px rgba(244,183,40,.06); }
.zote-art { position: relative; aspect-ratio: 2.1; margin: 12px 12px 0; border-radius: 14px; overflow: hidden; background: #0A0B1E; }
.zote-art svg { width: 100%; height: 100%; object-fit: cover; }
.zote-art::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0) 0 6px, rgba(255,255,255,.05) 6px 8px);
  -webkit-mask-image: linear-gradient(90deg, transparent 40%, #000);
          mask-image: linear-gradient(90deg, transparent 40%, #000);
}
.zote-art .chip { position: absolute; left: 12px; top: 12px; z-index: 1; background: rgba(14,15,38,.75); }
.zote-art .seal-sm {
  position: absolute; right: 12px; bottom: 12px; z-index: 1; width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 600; font-size: 15px; color: var(--zec-ink);
  background: radial-gradient(circle at 35% 30%, #FFE08A, var(--zec) 55%, #B9850E);
}
.zote-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.zote-title { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.zote-title h3 { margin: 0; font-weight: 300; font-size: 21px; letter-spacing: -0.01em; }
.zote-title span { color: var(--muted); font-size: 13px; }
.zote-serial { margin: 0; font: 500 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .14em; color: var(--muted); }
.zote-body .btn { align-self: flex-start; padding: 10px 18px; font-size: 14px; }

.verdict { border-radius: 14px; background: rgba(14,15,38,.7); border: 1px solid var(--line); padding: 14px 16px; font-size: 14px; }
.verdict[hidden] { display: none; }
.verdict-head { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.verdict-head .time { color: var(--muted); font-size: 12px; margin-left: auto; }
.verdict ul { margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.verdict details { margin-top: 10px; }
.verdict summary { cursor: pointer; color: var(--chrome); font-size: 13px; }
.verdict pre { margin: 8px 0 0; padding: 12px; border-radius: 10px; background: #08091A; font: 11.5px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; color: #C9CCE4; white-space: pre-wrap; word-break: break-all; max-height: 220px; overflow: auto; }
.verdict.is-error { border-color: rgba(255,176,168,.35); }
.mode-note { margin: 22px 0 0; color: var(--muted); font-size: 14px; }

/* sale */
.cast { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: clamp(16px, 4vw, 48px); margin-bottom: 56px; }
.person { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.person figcaption { display: flex; flex-direction: column; font-size: 14px; color: var(--muted); }
.person strong { color: var(--mist); font-size: 17px; }
.swap { position: relative; height: 90px; display: flex; flex-direction: column; justify-content: center; gap: 10px; align-items: center; }
.swap-line { position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: linear-gradient(90deg, transparent, var(--chrome), transparent); opacity: .5; }
.swap-tag { position: relative; padding: 6px 14px; border-radius: 999px; font-size: 13px; background: var(--ink-2); border: 1px solid var(--line); animation: driftL 4.5s ease-in-out infinite; }
.swap-tag-zote { border-color: rgba(244,183,40,.6); color: var(--zec); animation-name: driftR; }
@keyframes driftL { 0%, 100% { transform: translateX(28%); } 50% { transform: translateX(-28%); } }
@keyframes driftR { 0%, 100% { transform: translateX(-28%); } 50% { transform: translateX(28%); } }

.timeline { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.timeline li { counter-increment: step; display: grid; grid-template-columns: 56px minmax(0, 1fr) auto; gap: 18px; align-items: start; padding: 22px 0; border-top: 1px solid var(--line); }
.timeline li:last-child { border-bottom: 1px solid var(--line); }
.timeline li::before { content: counter(step); width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line); color: var(--zec); font-size: 14px; }
.timeline h3 { margin: 0 0 4px; font-weight: 400; font-size: 18px; }
.timeline p { margin: 0; color: var(--muted); font-size: 15px; }
.timeline .tx { font-size: 13px; color: var(--chrome); text-decoration: none; white-space: nowrap; border-bottom: 1px solid var(--line); }
.timeline .tx:hover { color: var(--zec); border-color: var(--zec); }
.timeline .chips { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }

/* challenge */
.challenge-card {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  border-radius: 30px; border: 1px solid var(--line);
  background: radial-gradient(600px 400px at 20% 10%, #2E3370, var(--ink-2) 70%);
}
.challenge-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: repeating-linear-gradient(90deg, rgba(201,204,228,0) 0 10px, rgba(201,204,228,.05) 10px 13px);
  -webkit-mask-image: linear-gradient(90deg, #000, transparent 55%);
          mask-image: linear-gradient(90deg, #000, transparent 55%);
}
.challenge-copy { padding: clamp(28px, 5vw, 56px); display: flex; flex-direction: column; gap: 18px; align-items: flex-start; }
.challenge-copy h2 { font-size: clamp(32px, 3.4vw, 48px); }
.challenge-copy p { margin: 0; color: var(--muted); max-width: 44ch; }
.challenge-result { margin: 14px; border-radius: 20px; background: rgba(8,9,26,.6); border: 1px solid var(--line); padding: clamp(22px, 3vw, 36px); display: flex; flex-direction: column; justify-content: center; gap: 14px; min-height: 280px; }
.placeholder { color: var(--muted); margin: 0; }
.code { margin: 0; font: 500 clamp(22px, 2.6vw, 30px)/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .06em; color: var(--zec); word-break: break-all; }
.step-label { margin: 0; font-size: 13px; color: var(--muted); }

/* privacy */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 20px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 640px; }
th, td { text-align: left; padding: 16px 20px; vertical-align: top; }
thead th { font-weight: 400; color: var(--zec); border-bottom: 1px solid var(--line); }
tbody tr + tr th, tbody tr + tr td { border-top: 1px solid var(--line); }
tbody th { font-weight: 400; }
tbody td { color: var(--muted); }
.honesty { list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 40px; }
.honesty li { color: var(--muted); font-size: 15px; }
.honesty strong { color: var(--mist); }

/* footer */
.foot { margin-top: clamp(90px, 12vw, 150px); border-top: 1px solid var(--line); }
.foot-inner { max-width: var(--maxw); margin: 0 auto; padding: 40px 20px 56px; display: grid; gap: 18px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 24px; flex-wrap: wrap; }
.foot ul a { color: var(--chrome); text-decoration: none; }
.foot ul a:hover { color: var(--zec); }
.credit { margin: 0; color: var(--muted); font-size: 13px; max-width: 70ch; }

/* responsive */
@media (max-width: 1020px) {
  .nav-links li:not(:last-child) { display: none; }
  .hero { min-height: auto; padding-bottom: 0; }
  .stage { position: relative; right: auto; top: auto; transform: none; width: min(560px, 100%); margin: 30px auto 0; }
  .hero-copy { align-self: start; padding-top: 20px; }
  .zote { grid-template-columns: 1fr; }
  .zote-grid { grid-template-columns: 1fr; max-width: 560px; }
  .challenge-card { grid-template-columns: 1fr; }
  .honesty { grid-template-columns: 1fr; }
  .hero-foot { position: static; padding: 0 0 26px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .cast { grid-template-columns: 1fr; justify-items: center; }
  .swap { width: 100%; }
  .timeline li { grid-template-columns: 44px minmax(0, 1fr); }
  .timeline li .tx { grid-column: 2; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .swap-tag, .hero-foot::before { animation: none; }
  .stack { transition: none; }
}

/* ---------- scroll-linked motion ---------- */
.stack { --lift: 0; }
.note-back2 { transform: translateZ(calc(-120px - var(--lift) * 80px)) translateY(calc(-14% - var(--lift) * 18%)) rotateZ(calc(9deg + var(--lift) * 10deg)); }
.note-back1 { transform: translateZ(calc(-60px - var(--lift) * 40px)) translateY(calc(-7% - var(--lift) * 9%)) rotateZ(calc(4deg + var(--lift) * 5deg)); }
.note-front { transform: translateZ(calc(var(--lift) * 90px)) translateY(calc(var(--lift) * 6%)); }
.sale.is-scrubbing .swap-tag { animation: none; transition: transform .08s linear; }
.sale.is-scrubbing .swap-tag-zote { transform: translateX(calc((var(--p, 0) - .5) * 260%)); }
.sale.is-scrubbing .swap-tag:not(.swap-tag-zote) { transform: translateX(calc((.5 - var(--p, 0)) * 260%)); }
.timeline li { transition: opacity .5s ease; }
.timeline.is-scrubbing li { opacity: .35; }
.timeline.is-scrubbing li.is-on { opacity: 1; }
.timeline li.is-on::before { border-color: var(--zec); background: rgba(244,183,40,.12); }

/* ---------- hero note artwork ---------- */
.note-art { position: absolute; inset: 0; border-radius: inherit; overflow: hidden; opacity: .55;
  -webkit-mask-image: linear-gradient(90deg, #000 0%, rgba(0,0,0,.6) 45%, transparent 85%);
          mask-image: linear-gradient(90deg, #000 0%, rgba(0,0,0,.6) 45%, transparent 85%); }
.note-art svg { width: 100%; height: 100%; }

/* ---------- two views ---------- */
.views { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.view { border-radius: 22px; border: 1px solid var(--line); padding: 28px; background: var(--ink-2); }
.view-proof { border-color: rgba(244,183,40,.45); background: linear-gradient(160deg, #24285A, var(--ink-2) 65%); }
.view h3 { margin: 0 0 18px; font-weight: 400; font-size: 20px; }
.view dl { margin: 0; display: grid; gap: 0; }
.view dl > div { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 12px; padding: 11px 0; border-top: 1px solid var(--line); align-items: center; }
.view dt { color: var(--muted); font-size: 14px; }
.view dd { margin: 0; font-size: 15px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; letter-spacing: .04em; }
.redact { color: transparent; position: relative; width: fit-content; min-width: 90px; border-radius: 6px;
  background: repeating-linear-gradient(90deg, rgba(201,204,228,.18) 0 6px, rgba(201,204,228,.08) 6px 9px); user-select: none; }
.redact::after { content: attr(data-l); }
.view-link { display: inline-block; margin-top: 18px; font-size: 14px; color: var(--chrome); text-decoration: none; border-bottom: 1px solid var(--line); }
.view-link:hover { color: var(--zec); border-color: var(--zec); }

/* ---------- try to cheat ---------- */
.attacks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.attack { border-radius: 22px; border: 1px solid var(--line); padding: 26px; display: flex; flex-direction: column; gap: 12px; align-items: flex-start;
  background: repeating-linear-gradient(135deg, rgba(255,176,168,.025) 0 12px, transparent 12px 24px), var(--ink-2); }
.attack h3 { margin: 0; font-weight: 400; font-size: 19px; }
.attack p { margin: 0; color: var(--muted); font-size: 15px; }
.attack .verdict { width: 100%; }
.cheat .mode-note a { color: var(--chrome); }

@media (max-width: 1020px) {
  .views, .attacks { grid-template-columns: 1fr; }
}

/* ---------- document pages ---------- */
.doc-top { position: sticky; top: 0; z-index: 10; background: rgba(14,15,38,.86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.doc-top .nav { max-width: var(--maxw); margin: 0 auto; padding: 16px 20px; }
.doc-hero { max-width: var(--maxw); margin: 0 auto; padding: 80px 20px 40px; position: relative; }
.doc-hero h1 { margin: 0; font-weight: 200; font-size: clamp(42px, 5.5vw, 76px); letter-spacing: -0.045em; line-height: 1.04; }
.doc-hero p { margin: 18px 0 0; color: var(--muted); max-width: 60ch; font-size: 18px; }
.doc { max-width: var(--maxw); margin: 0 auto; padding: 20px 20px 0; display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; }
.toc { position: sticky; top: 88px; align-self: start; font-size: 14px; }
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.toc a { color: var(--muted); text-decoration: none; display: block; padding: 6px 0 6px 14px; border-left: 1px solid var(--line); }
.toc a:hover { color: var(--zec); border-color: var(--zec); }
.doc article { max-width: 760px; }
.doc section { padding: 8px 0 48px; scroll-margin-top: 90px; }
.doc h2 { margin: 0 0 16px; font-weight: 300; font-size: clamp(28px, 3vw, 38px); letter-spacing: -0.03em; }
.doc h3 { margin: 28px 0 8px; font-weight: 400; font-size: 20px; }
.doc p, .doc li { color: #C9CCE4; }
.doc li { margin: 6px 0; }
.doc code { font: 13px ui-monospace, SFMono-Regular, Menlo, monospace; background: rgba(201,204,228,.08); padding: 2px 6px; border-radius: 6px; color: var(--mist); }
.doc pre { margin: 14px 0; padding: 18px; border-radius: 14px; background: #08091A; border: 1px solid var(--line); overflow-x: auto;
  font: 12.5px/1.6 ui-monospace, SFMono-Regular, Menlo, monospace; color: #C9CCE4; }
.doc pre code { background: none; padding: 0; font-size: inherit; }
.doc a { color: var(--zec); }
.callout { border-left: 2px solid var(--zec); padding: 4px 0 4px 18px; margin: 18px 0; color: var(--mist); }
.diagram { border: 1px solid var(--line); border-radius: 18px; padding: 18px; background: var(--ink-2); margin: 18px 0; }
.diagram svg { width: 100%; height: auto; }
.evtable { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 0; }
.evtable th, .evtable td { padding: 12px 14px; border-top: 1px solid var(--line); vertical-align: top; }
.evtable thead th { border-top: 0; color: var(--zec); font-weight: 400; }
.evtable td a { color: var(--chrome); text-decoration: none; border-bottom: 1px solid var(--line); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.evtable td a:hover { color: var(--zec); }
@media (max-width: 900px) { .doc { grid-template-columns: 1fr; } .toc { position: static; } }
.doc .toc a { color: var(--muted); }
.doc .toc a:hover { color: var(--zec); }