/* Sepia — private payments on Robinhood Chain
   Layout: deep-ink canvas, coral skin as the hot surface, lime reserved for the eye and live states.
   Pixel dissolve (right crisp, left breaking into squares) is the one recurring device. */
:root {
  --ink-0: #050E17;
  --ink-1: #0A1D2B;
  --ink-2: #102C3F;
  --ink-3: #173A50;
  --line: #24526B;
  --line-soft: rgba(143, 176, 192, .16);
  --text: #F4EEE7;
  --muted: #94B3C2;
  --dim: #5F8496;
  --coral: #FF4A62;
  --orange: #FF8040;
  --magenta: #D4246F;
  --lime: #C8FF3D;
  --pupil: #07121E;
  --skin: linear-gradient(120deg, var(--magenta) 0%, var(--coral) 48%, var(--orange) 100%);

  --f-display: "Unbounded", "Arial Black", system-ui, sans-serif;
  --f-body: "Onest", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --f-pixel: "Silkscreen", "JetBrains Mono", ui-monospace, monospace;

  --step--1: clamp(.82rem, .79rem + .15vw, .9rem);
  --step-0: clamp(1rem, .96rem + .2vw, 1.1rem);
  --step-1: clamp(1.2rem, 1.1rem + .5vw, 1.45rem);
  --step-2: clamp(1.5rem, 1.25rem + 1.1vw, 2.1rem);
  --step-3: clamp(2rem, 1.5rem + 2.2vw, 3.3rem);
  --step-4: clamp(2.6rem, 1.6rem + 4.2vw, 5.4rem);

  --r-s: 10px;
  --r-m: 18px;
  --r-l: 28px;
  --max: 1200px;
  --nav-h: 68px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink-0);
  color: var(--text);
  font-family: var(--f-body);
  font-size: var(--step-0);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; }
::selection { background: var(--lime); color: var(--pupil); }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; border-radius: 6px; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
.section { padding-block: clamp(72px, 10vw, 140px); position: relative; }
.section + .section { border-top: 1px solid var(--line-soft); }

h1, h2, h3 { font-family: var(--f-display); font-weight: 700; line-height: 1.08; margin: 0; text-wrap: balance; letter-spacing: -.01em; }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); letter-spacing: 0; }
p { margin: 0; }
.lead { font-size: var(--step-1); color: var(--muted); max-width: 62ch; line-height: 1.55; }
.muted { color: var(--muted); }

.kicker {
  font-family: var(--f-pixel);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--lime);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.kicker::before { content: ""; width: 10px; height: 10px; background: var(--lime); box-shadow: -14px 0 0 rgba(200,255,61,.45), -26px 0 0 rgba(200,255,61,.18); margin-left: 26px; }
.sec-head { display: grid; gap: 18px; margin-bottom: clamp(36px, 5vw, 64px); max-width: 860px; }

/* ---------- nav ---------- */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--ink-0); }
.nav {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 50;
  background: rgba(5, 14, 23, .72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line-soft);
}
.nav .wrap { height: var(--nav-h); display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-family: var(--f-display); font-weight: 800; font-size: 1.15rem; letter-spacing: .02em; }
.brand-mark { width: 38px; height: 38px; border-radius: 50%; position: relative; overflow: hidden; background: var(--skin); flex: none; }
.brand-mark .iris { position: absolute; inset: 18% 18%; border-radius: 50%; background: var(--lime); }
.brand-mark .pupil { position: absolute; left: 50%; top: 50%; width: 62%; height: 22%; border-radius: 99px; background: var(--pupil); transform: translate(calc(-50% + var(--px, 0px)), calc(-50% + var(--py, 0px))); transition: transform .12s ease-out; }
.brand small { font-family: var(--f-mono); font-weight: 500; font-size: .72rem; color: var(--muted); letter-spacing: 0; }
.nav-links { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav-links a { text-decoration: none; padding: 8px 14px; border-radius: 99px; color: var(--muted); font-size: .95rem; transition: color .2s, background .2s; }
.nav-links a:hover { color: var(--text); background: var(--ink-2); }
.nav-links a[aria-current="page"] { color: var(--text); background: var(--ink-3); }
.nav-actions { display: flex; gap: 10px; align-items: center; }
.icon-btn { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line); background: transparent; text-decoration: none; transition: border-color .2s, background .2s; }
.icon-btn:hover { border-color: var(--lime); background: var(--ink-2); }
.icon-btn svg { width: 18px; height: 18px; fill: currentColor; }
.menu-btn { display: none; }

/* ---------- buttons ---------- */
.btn {
  --bg: var(--ink-2);
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 22px; border-radius: 99px; border: 1px solid var(--line);
  background: var(--bg); color: var(--text); text-decoration: none; font-weight: 600; font-size: .98rem;
  cursor: pointer; transition: transform .15s ease, background .2s, border-color .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); border-color: var(--muted); }
.btn:active { transform: translateY(0); }
.btn svg { width: 18px; height: 18px; fill: currentColor; }
.btn-lime { background: var(--lime); color: var(--pupil); border-color: var(--lime); }
.btn-lime:hover { box-shadow: 0 10px 30px -10px rgba(200,255,61,.7); border-color: var(--lime); }
.btn-coral { background: var(--skin); border-color: transparent; color: #fff; }
.btn-coral:hover { box-shadow: 0 10px 30px -10px rgba(255,74,98,.8); border-color: transparent; }
.btn-ghost { background: transparent; }
.btn-sm { padding: 9px 16px; font-size: .88rem; }
.btn[aria-disabled="true"], .btn:disabled { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }
.soon-tag { font-family: var(--f-pixel); font-size: .62rem; letter-spacing: .08em; background: var(--ink-0); color: var(--lime); padding: 3px 7px; border-radius: 6px; }
.btn-lime .soon-tag { background: var(--pupil); }

.wallet-btn .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--dim); }
.wallet-btn.connected .dot { background: var(--lime); box-shadow: 0 0 10px var(--lime); }
.wallet-btn .addr { font-family: var(--f-mono); font-size: .85rem; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: min(100svh, 940px); display: grid; overflow: hidden; isolation: isolate; border-bottom: 1px solid var(--line-soft); }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background:
  radial-gradient(60% 50% at 70% 30%, rgba(23, 76, 102, .55), transparent 70%),
  radial-gradient(40% 40% at 15% 85%, rgba(212, 36, 111, .14), transparent 70%),
  var(--ink-0); }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr auto; padding-block: 34px 48px; gap: 20px; pointer-events: none; }
.hero-inner > * { pointer-events: auto; }
.hero-top { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; }
.chain-pill { display: inline-flex; align-items: center; gap: 10px; font-family: var(--f-mono); font-size: .8rem; color: var(--muted); border: 1px solid var(--line); border-radius: 99px; padding: 6px 14px; background: rgba(10, 29, 43, .6); }
.chain-pill b { color: var(--text); font-weight: 600; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 0 rgba(200,255,61,.6); animation: ping 1.8s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(200,255,61,.55); } 80%, 100% { box-shadow: 0 0 0 12px rgba(200,255,61,0); } }
.wordmark-slot { min-height: clamp(150px, 26vw, 330px); }
.hero-word-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.hero-bottom > * { min-width: 0; }
.hero-bottom { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(24px, 4vw, 64px); align-items: end; }
.hero-tag { font-family: var(--f-display); font-weight: 700; font-size: var(--step-3); line-height: 1.02; letter-spacing: -.02em; }
.hero-tag em { font-style: normal; color: var(--lime); }
.hero-sub { margin-top: 18px; color: var(--muted); font-size: var(--step-1); max-width: 46ch; line-height: 1.5; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* contract box */
.ca-card {
  position: relative; border-radius: var(--r-l); padding: 22px; background: rgba(10, 29, 43, .78);
  border: 1px solid var(--line); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); display: grid; gap: 16px;
}
.ca-card::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: linear-gradient(120deg, var(--lime), transparent 30%, transparent 70%, var(--coral)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; opacity: .7; }
.ca-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.ca-head .kicker { font-size: .72rem; }
.status-chip { font-family: var(--f-pixel); font-size: .66rem; letter-spacing: .1em; padding: 5px 10px; border-radius: 6px; background: rgba(200, 255, 61, .12); color: var(--lime); display: inline-flex; gap: 8px; align-items: center; }
.ca-row { display: flex; gap: 10px; align-items: stretch; }
.ca-value {
  flex: 1; min-width: 0; font-family: var(--f-mono); font-size: .95rem; padding: 13px 16px; border-radius: var(--r-s);
  background: var(--ink-0); border: 1px dashed var(--line); color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ca-value.set { color: var(--text); border-style: solid; }
.ca-value .blink { display: inline-block; width: .6em; height: 1.05em; background: var(--lime); vertical-align: -2px; margin-left: 4px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.copy-btn { border-radius: var(--r-s); padding-inline: 16px; }
.ca-links { display: flex; gap: 10px; flex-wrap: wrap; }
.ca-links .btn { flex: 1; }
.ca-meta { display: flex; gap: 18px; flex-wrap: wrap; font-family: var(--f-mono); font-size: .76rem; color: var(--dim); }
.ca-meta b { color: var(--muted); font-weight: 500; }

/* intro state */
html.js .hero .reveal-late { opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .8, .2, 1); }
html.js.intro-done .hero .reveal-late { opacity: 1; transform: none; }
.skip-intro { position: absolute; right: max(20px, env(safe-area-inset-right, 0px)); bottom: 18px; z-index: 3; font-family: var(--f-pixel); font-size: .66rem; letter-spacing: .1em; background: transparent; border: 1px solid var(--line); color: var(--muted); padding: 6px 10px; border-radius: 6px; cursor: pointer; }
html.intro-done .skip-intro { display: none; }

/* ---------- marquee ---------- */
.marquee { overflow: hidden; border-bottom: 1px solid var(--line-soft); background: var(--ink-1); }
.marquee-track { display: flex; gap: 48px; padding: 16px 0; width: max-content; animation: marquee 38s linear infinite; font-family: var(--f-pixel); font-size: .82rem; letter-spacing: .12em; color: var(--muted); }
.marquee-track span { display: inline-flex; align-items: center; gap: 48px; white-space: nowrap; }
.marquee-track span::after { content: ""; width: 8px; height: 8px; background: var(--coral); }
.marquee-track span:nth-child(3n)::after { background: var(--lime); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- pixel word ---------- */
.pxword { position: relative; display: inline-block; color: transparent; width: fit-content; max-width: 100%; justify-self: start; }
.pxword canvas { position: absolute; left: 0; top: 0; width: 100%; height: 100%; pointer-events: none; }
html:not(.js) .pxword { color: inherit; }
.pxword-xl { font-family: var(--f-display); font-weight: 900; font-size: clamp(3.2rem, 1.5rem + 9vw, 9.5rem); line-height: 1; letter-spacing: -.03em; }

/* ---------- scroll reveal ---------- */
.reveal { transition: opacity .9s ease, transform .9s cubic-bezier(.2, .8, .2, 1); }
html.js .reveal.pre { opacity: .001; transform: translateY(28px); }

/* ---------- explorer demo ---------- */
.explorer { border: 1px solid var(--line); border-radius: var(--r-l); background: var(--ink-1); overflow: hidden; }
.explorer-bar { display: flex; align-items: center; gap: 14px; padding: 14px 18px; border-bottom: 1px solid var(--line-soft); flex-wrap: wrap; }
.explorer-dots { display: flex; gap: 6px; }
.explorer-dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--ink-3); }
.explorer-url { flex: 1; min-width: 180px; font-family: var(--f-mono); font-size: .8rem; color: var(--dim); background: var(--ink-0); border-radius: 99px; padding: 6px 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 99px; padding: 4px; background: var(--ink-0); }
.toggle button { border: 0; background: transparent; padding: 7px 14px; border-radius: 99px; font-size: .85rem; font-weight: 600; color: var(--muted); cursor: pointer; transition: background .25s, color .25s; }
.toggle button[aria-pressed="true"] { background: var(--text); color: var(--pupil); }
.toggle button.lime[aria-pressed="true"] { background: var(--lime); }
.explorer-body { display: grid; grid-template-columns: minmax(0, 1fr) 300px; }
.explorer-table-wrap { overflow-x: auto; }
.explorer table { width: 100%; border-collapse: collapse; font-size: .88rem; min-width: 560px; font-variant-numeric: tabular-nums; }
.explorer th { text-align: left; font-weight: 500; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--dim); padding: 14px 18px; border-bottom: 1px solid var(--line-soft); }
.explorer td { padding: 14px 18px; border-bottom: 1px solid var(--line-soft); white-space: nowrap; }
.explorer td.mono { font-family: var(--f-mono); font-size: .82rem; }
.explorer tr:last-child td { border-bottom: 0; }
.tag { font-family: var(--f-mono); font-size: .72rem; padding: 3px 8px; border-radius: 6px; background: var(--ink-3); color: var(--muted); }
.tag.in { background: rgba(200,255,61,.12); color: var(--lime); }
.tag.out { background: rgba(255,74,98,.14); color: #FF8A98; }
.addr-linked { color: #FF8A98; }
.addr-fresh { color: var(--lime); }
.explorer-side { border-left: 1px solid var(--line-soft); padding: 22px; display: grid; gap: 14px; align-content: start; background: linear-gradient(180deg, rgba(23,58,80,.35), transparent); }
.leak-meter { height: 10px; border-radius: 99px; background: var(--ink-0); overflow: hidden; }
.leak-meter i { display: block; height: 100%; width: var(--leak, 100%); background: var(--skin); transition: width .9s cubic-bezier(.2,.8,.2,1); }
.explorer[data-mode="sepia"] .leak-meter i { background: var(--lime); }
.leak-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: .9rem; }
.leak-list li { display: flex; gap: 10px; align-items: baseline; }
.leak-list li::before { content: ""; width: 8px; height: 8px; flex: none; background: var(--coral); transform: translateY(-1px); }
.explorer[data-mode="sepia"] .leak-list li::before { background: var(--lime); }
.row-dissolve { animation: rowd .7s steps(6) both; }
@keyframes rowd { 0% { opacity: 0; filter: blur(3px); clip-path: inset(0 100% 0 0); } 100% { opacity: 1; filter: none; clip-path: inset(0 0 0 0); } }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; position: relative; }
.step {
  border: 1px solid var(--line); border-radius: var(--r-m); padding: 20px; background: var(--ink-1); display: grid; gap: 12px; align-content: start;
  cursor: pointer; transition: border-color .3s, background .3s, transform .3s; text-align: left; position: relative;
}
.step:hover { transform: translateY(-3px); }
.step[aria-current="step"] { border-color: var(--lime); background: linear-gradient(180deg, rgba(200,255,61,.08), var(--ink-1)); }
.step .n { font-family: var(--f-pixel); font-size: .72rem; color: var(--dim); letter-spacing: .1em; }
.step[aria-current="step"] .n { color: var(--lime); }
.step h3 { font-size: 1.02rem; line-height: 1.25; }
.step p { font-size: .9rem; color: var(--muted); line-height: 1.5; }
.step-bar { height: 3px; border-radius: 99px; background: var(--ink-3); overflow: hidden; }
.step-bar i { display: block; height: 100%; width: 0; background: var(--lime); }
.step[aria-current="step"] .step-bar i { animation: fill var(--dur, 4s) linear forwards; }
@keyframes fill { to { width: 100%; } }
.flow-stage { margin-top: 26px; border: 1px solid var(--line); border-radius: var(--r-l); background: var(--ink-1); padding: clamp(18px, 3vw, 32px); }
.flow-viz { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(12px, 3vw, 40px); align-items: center; position: relative; }
.node { border: 1px solid var(--line); border-radius: var(--r-m); padding: 16px; background: var(--ink-0); display: grid; gap: 6px; min-width: 0; transition: border-color .3s, box-shadow .3s; }
.node.on { border-color: var(--lime); box-shadow: 0 0 0 4px rgba(200,255,61,.1); }
.node .label { font-family: var(--f-pixel); font-size: .64rem; letter-spacing: .1em; color: var(--dim); }
.node .val { font-family: var(--f-mono); font-size: .86rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.node .sub { font-size: .8rem; color: var(--muted); }
.flow-caption { margin-top: 18px; font-size: .95rem; color: var(--muted); min-height: 3em; }
.flow-caption b { color: var(--text); }
.packet { position: absolute; width: 14px; height: 14px; background: var(--lime); top: 50%; left: 0; transform: translate(-50%, -50%); box-shadow: 0 0 18px var(--lime); opacity: 0; pointer-events: none; }

/* ---------- cards ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.card { border: 1px solid var(--line); border-radius: var(--r-m); padding: clamp(20px, 2.4vw, 28px); background: var(--ink-1); display: grid; gap: 12px; align-content: start; min-width: 0; position: relative; overflow: hidden; }
.card p { color: var(--muted); font-size: .97rem; }
.card .ic { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--ink-3); }
.card .ic svg { width: 24px; height: 24px; }
.card.hot { background: linear-gradient(160deg, rgba(255,74,98,.16), var(--ink-1) 55%); border-color: rgba(255,74,98,.45); }
.card.lime { background: linear-gradient(160deg, rgba(200,255,61,.1), var(--ink-1) 55%); border-color: rgba(200,255,61,.4); }
.card .phase-tag { font-family: var(--f-pixel); font-size: .64rem; letter-spacing: .1em; color: var(--dim); }
.pix-corner { position: absolute; right: 0; top: 0; width: 72px; height: 72px; opacity: .6; pointer-events: none; background:
  linear-gradient(var(--coral) 0 0) 56px 0 / 12px 12px no-repeat,
  linear-gradient(var(--coral) 0 0) 42px 14px / 10px 10px no-repeat,
  linear-gradient(var(--lime) 0 0) 58px 28px / 8px 8px no-repeat,
  linear-gradient(var(--magenta) 0 0) 30px 2px / 8px 8px no-repeat; }

/* fee flow */
.feeflow { border: 1px solid var(--line); border-radius: var(--r-l); padding: clamp(18px, 3vw, 34px); background: var(--ink-1); overflow-x: auto; }
.feeflow svg { min-width: 680px; width: 100%; height: auto; }
.feeflow .dash { stroke-dasharray: 6 10; animation: dash 1.2s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -32; } }

/* tiers */
.tiers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.tier { border: 1px solid var(--line); border-radius: var(--r-m); padding: 22px; background: var(--ink-1); display: grid; gap: 14px; align-content: start; position: relative; min-width: 0; }
.tier .t-name { font-family: var(--f-display); font-weight: 800; font-size: 1.35rem; }
.tier .t-req { font-family: var(--f-mono); font-size: .8rem; color: var(--dim); }
.tier ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; font-size: .92rem; color: var(--muted); }
.tier li { display: flex; gap: 10px; }
.tier li::before { content: ""; width: 8px; height: 8px; margin-top: .55em; flex: none; background: var(--line); }
.tier.t1 li::before { background: #FF8A98; }
.tier.t2 li::before { background: var(--coral); }
.tier.t3 { border-color: rgba(200,255,61,.5); background: linear-gradient(170deg, rgba(200,255,61,.09), var(--ink-1) 60%); }
.tier.t3 li::before { background: var(--lime); }
.tier-swatch { height: 38px; border-radius: 10px; display: grid; grid-template-columns: repeat(12, 1fr); gap: 3px; }
.tier-swatch i { border-radius: 2px; background: var(--ink-3); }

/* roadmap mini */
.road-mini { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; position: relative; }
.road-mini::before { content: ""; position: absolute; left: 0; right: 0; top: 23px; height: 2px; background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 14px); }
.rm { padding-right: 18px; display: grid; gap: 10px; position: relative; }
.rm .pin { width: 48px; height: 48px; border-radius: 12px; background: var(--ink-2); border: 1px solid var(--line); display: grid; place-items: center; font-family: var(--f-pixel); font-size: .8rem; position: relative; z-index: 1; }
.rm.now .pin { background: var(--lime); color: var(--pupil); border-color: var(--lime); }
.rm h3 { font-size: 1.05rem; }
.rm p { font-size: .9rem; color: var(--muted); }

/* faq */
.faq { display: grid; gap: 10px; max-width: 900px; }
.faq details { border: 1px solid var(--line); border-radius: var(--r-m); background: var(--ink-1); overflow: hidden; }
.faq summary { list-style: none; cursor: pointer; padding: 20px 22px; font-weight: 600; font-size: 1.05rem; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; width: 12px; height: 12px; flex: none; background: var(--coral); transition: transform .3s, background .3s; }
.faq details[open] summary::after { transform: rotate(45deg); background: var(--lime); }
.faq .ans { padding: 0 22px 22px; color: var(--muted); max-width: 72ch; display: grid; gap: 10px; }

/* eye cta */
.eye-cta { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(28px, 6vw, 90px); align-items: center; }
.big-eye { width: clamp(180px, 26vw, 320px); aspect-ratio: 1; border-radius: 50%; position: relative; background: var(--skin); box-shadow: 0 30px 80px -30px rgba(255,74,98,.6); max-width: 100%; }
.big-eye .iris { position: absolute; inset: 17%; border-radius: 50%; background: var(--lime); overflow: hidden; }
.big-eye .pupil { position: absolute; left: 50%; top: 50%; width: 62%; height: 22%; border-radius: 99px; background: var(--pupil); transform: translate(calc(-50% + var(--px, 0px)), calc(-50% + var(--py, 0px))); transition: transform .15s ease-out; }
.big-eye .lid { position: absolute; left: 0; right: 0; top: -2%; height: 0; background: var(--coral); transition: height .09s ease-in; border-radius: 50% 50% 0 0; }
.big-eye.blink .lid { height: 104%; }
.big-eye .px { position: absolute; width: 12%; height: 12%; border-radius: 3px; }

/* page hero (inner pages) */
.page-hero { padding-block: clamp(60px, 9vw, 120px) clamp(40px, 6vw, 80px); border-bottom: 1px solid var(--line-soft); position: relative; overflow: hidden; }
.page-hero .wrap { display: grid; gap: 22px; }
.page-hero .lead { font-size: var(--step-1); }
.page-hero canvas.bg-pix { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; opacity: .55; }

/* split rows */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.split.center { align-items: center; }
.prose { display: grid; gap: 16px; color: var(--muted); max-width: 62ch; }
.prose strong { color: var(--text); font-weight: 600; }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checklist li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 12px; align-items: start; color: var(--muted); }
.checklist li b { color: var(--text); font-weight: 600; }
.checklist li::before { content: ""; width: 14px; height: 14px; margin-top: .35em; background: var(--lime); box-shadow: inset 0 0 0 3px var(--ink-1); outline: 1px solid var(--lime); }
.checklist.x li::before { background: var(--coral); outline-color: var(--coral); }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0; border: 1px solid var(--line); border-radius: var(--r-m); overflow: hidden; }
.fact { padding: 20px 22px; border-right: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); display: grid; gap: 6px; background: var(--ink-1); }
.fact .k { font-family: var(--f-pixel); font-size: .64rem; letter-spacing: .1em; color: var(--dim); }
.fact .v { font-family: var(--f-display); font-weight: 700; font-size: 1.15rem; overflow-wrap: anywhere; }
.fact .v.mono { font-family: var(--f-mono); font-weight: 500; font-size: .95rem; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-m); }
.matrix { width: 100%; border-collapse: collapse; min-width: 640px; font-size: .94rem; }
.matrix th, .matrix td { padding: 14px 18px; border-bottom: 1px solid var(--line-soft); text-align: left; }
.matrix thead th { font-family: var(--f-display); font-weight: 700; font-size: 1rem; background: var(--ink-2); }
.matrix thead th:last-child { color: var(--lime); }
.matrix tbody tr:last-child td { border-bottom: 0; }
.matrix td:first-child { color: var(--muted); }
.yes { display: inline-block; width: 12px; height: 12px; background: var(--lime); }
.no { display: inline-block; width: 12px; height: 2px; background: var(--dim); vertical-align: middle; }

.howbuy { counter-reset: hb; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.howbuy li { list-style: none; counter-increment: hb; border: 1px solid var(--line); border-radius: var(--r-m); padding: 20px; background: var(--ink-1); display: grid; gap: 8px; align-content: start; }
.howbuy li::before { content: counter(hb, decimal-leading-zero); font-family: var(--f-pixel); color: var(--lime); font-size: .8rem; }
.howbuy li p { color: var(--muted); font-size: .92rem; }
.howbuy { padding: 0; margin: 0; }

.notice { border: 1px dashed var(--line); border-radius: var(--r-m); padding: 18px 20px; color: var(--muted); font-size: .9rem; display: grid; gap: 6px; }
.notice b { color: var(--text); }

/* roadmap page */
.timeline { position: relative; display: grid; gap: clamp(28px, 4vw, 48px); padding-left: 64px; }
.timeline::before { content: ""; position: absolute; left: 23px; top: 0; bottom: 0; width: 2px; background: var(--ink-3); }
.timeline .progress { position: absolute; left: 23px; top: 0; width: 2px; height: var(--prog, 0px); background: linear-gradient(var(--lime), var(--coral)); box-shadow: 0 0 12px rgba(200,255,61,.5); }
.phase { position: relative; border: 1px solid var(--line); border-radius: var(--r-l); background: var(--ink-1); padding: clamp(20px, 3vw, 36px); display: grid; gap: 22px; }
.phase .node-pin { position: absolute; left: -64px; top: 30px; width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; font-family: var(--f-pixel); font-size: .8rem; background: var(--ink-2); border: 1px solid var(--line); }
.phase.now { border-color: rgba(200,255,61,.55); }
.phase.now .node-pin { background: var(--lime); color: var(--pupil); border-color: var(--lime); box-shadow: 0 0 0 6px rgba(200,255,61,.14); }
.phase-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: start; }
.phase-head h2 { font-size: var(--step-2); }
.badge { font-family: var(--f-pixel); font-size: .66rem; letter-spacing: .1em; padding: 6px 10px; border-radius: 6px; background: var(--ink-3); color: var(--muted); white-space: nowrap; }
.badge.now { background: var(--lime); color: var(--pupil); }
.badge.next { background: rgba(255,74,98,.16); color: #FF8A98; }
.phase-cols { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: clamp(20px, 3vw, 40px); }
.deliv { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.deliv li { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 12px; align-items: start; }
.deliv li .box { width: 14px; height: 14px; margin-top: .36em; border: 1.5px solid var(--dim); border-radius: 3px; }
.deliv li.done .box { background: var(--lime); border-color: var(--lime); }
.deliv li.doing .box { border-color: var(--coral); background: repeating-linear-gradient(45deg, var(--coral) 0 2px, transparent 2px 5px); }
.deliv li span b { display: block; font-weight: 600; }
.deliv li span small { color: var(--muted); font-size: .88rem; }
.gate { align-self: start; border-radius: var(--r-m); padding: 18px; background: var(--ink-0); border: 1px solid var(--line-soft); display: grid; gap: 10px; align-content: start; }
.gate .k { font-family: var(--f-pixel); font-size: .64rem; letter-spacing: .1em; color: var(--coral); }
.gate p { color: var(--muted); font-size: .92rem; }
.legend { display: flex; gap: 18px; flex-wrap: wrap; font-size: .85rem; color: var(--muted); }
.legend span { display: inline-flex; gap: 8px; align-items: center; }
.legend .box { width: 12px; height: 12px; border: 1.5px solid var(--dim); border-radius: 3px; }
.legend .done { background: var(--lime); border-color: var(--lime); }
.legend .doing { border-color: var(--coral); background: repeating-linear-gradient(45deg, var(--coral) 0 2px, transparent 2px 5px); }

/* app page */
.app-grid { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: 20px; align-items: start; }
.panel { border: 1px solid var(--line); border-radius: var(--r-l); background: var(--ink-1); padding: clamp(18px, 2.4vw, 28px); display: grid; gap: 16px; min-width: 0; }
.panel h2 { font-size: var(--step-1); }
.panel .desc { color: var(--muted); font-size: .94rem; }
.panel-stack { display: grid; gap: 20px; }
.kv { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 8px 16px; font-size: .9rem; }
.kv dt { color: var(--dim); }
.kv dd { margin: 0; font-family: var(--f-mono); overflow-wrap: anywhere; text-align: right; }
.state { font-family: var(--f-pixel); font-size: .66rem; letter-spacing: .1em; padding: 5px 9px; border-radius: 6px; background: var(--ink-3); color: var(--muted); display: inline-block; }
.state.ok { background: rgba(200,255,61,.14); color: var(--lime); }
.state.warn { background: rgba(255,128,64,.16); color: var(--orange); }
.msg { font-size: .9rem; color: var(--muted); min-height: 1.4em; }
.msg.err { color: #FF8A98; }
.msg.ok { color: var(--lime); }
.idcard { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 18px; align-items: center; border-radius: var(--r-m); padding: 18px; background: var(--ink-0); border: 1px solid var(--line-soft); }
.idcard canvas { width: 112px; height: 112px; border-radius: 16px; image-rendering: pixelated; background: var(--ink-2); }
.idcard .meta { display: grid; gap: 8px; min-width: 0; }
.idcard code { font-family: var(--f-mono); font-size: .8rem; color: var(--lime); overflow-wrap: anywhere; }
.field { display: grid; gap: 8px; }
.field label { font-size: .82rem; color: var(--dim); font-family: var(--f-pixel); letter-spacing: .08em; }
.field input, .field select { font: inherit; font-family: var(--f-mono); background: var(--ink-0); color: var(--text); border: 1px solid var(--line); border-radius: var(--r-s); padding: 12px 14px; width: 100%; }
.field input:focus, .field select:focus { border-color: var(--lime); outline: none; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; }
.row > .field { flex: 1; min-width: 140px; }
.sim { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; position: relative; }
.sim .node { min-height: 112px; }
.observer { border-radius: var(--r-m); padding: 16px 18px; background: var(--ink-0); border: 1px dashed var(--line); font-family: var(--f-mono); font-size: .82rem; color: var(--muted); display: grid; gap: 6px; }
.observer b { color: var(--text); font-weight: 500; }
.tier-ladder { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.tier-ladder div { border: 1px solid var(--line); border-radius: 12px; padding: 12px; display: grid; gap: 4px; font-size: .82rem; color: var(--muted); }
.tier-ladder div b { font-family: var(--f-display); color: var(--text); font-size: .95rem; }
.tier-ladder div.me { border-color: var(--lime); background: rgba(200,255,61,.08); }

/* footer */
.footer { border-top: 1px solid var(--line-soft); padding-block: 56px 40px; background: var(--ink-1); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 32px; }
.footer h4 { font-family: var(--f-pixel); font-size: .7rem; letter-spacing: .12em; color: var(--dim); margin: 0 0 14px; font-weight: 400; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer a { text-decoration: none; color: var(--muted); transition: color .2s; }
.footer a:hover { color: var(--lime); }
.footer .fine { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line-soft); font-size: .82rem; color: var(--dim); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer .about { color: var(--muted); max-width: 40ch; font-size: .95rem; display: grid; gap: 16px; }

.toast { position: fixed; left: 50%; bottom: max(24px, env(safe-area-inset-bottom, 0px)); transform: translate(-50%, 140%); background: var(--lime); color: var(--pupil); font-weight: 700; padding: 12px 20px; border-radius: 99px; z-index: 80; transition: transform .35s cubic-bezier(.2,.8,.2,1); font-size: .92rem; }
.toast.show { transform: translate(-50%, 0); }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .tiers, .grid-4, .howbuy { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .explorer-body { grid-template-columns: minmax(0, 1fr); }
  .explorer-side { border-left: 0; border-top: 1px solid var(--line-soft); }
  .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .nav-links { position: fixed; inset: calc(var(--nav-h) + env(safe-area-inset-top, 0px)) 0 auto; flex-direction: column; align-items: stretch; background: var(--ink-0); border-bottom: 1px solid var(--line); padding: 12px max(20px, env(safe-area-inset-right, 0px)) 20px max(20px, env(safe-area-inset-left, 0px)); gap: 2px; transform: translateY(-120%); transition: transform .35s ease; z-index: -1; }
  .nav-links a { padding: 14px 16px; font-size: 1.05rem; }
  .nav.open .nav-links { transform: none; }
  .menu-btn { display: grid; }
  .nav-actions { margin-left: auto; }
  .hero-bottom, .split, .eye-cta, .phase-cols, .app-grid { grid-template-columns: minmax(0, 1fr); }
  .grid-3 { grid-template-columns: minmax(0, 1fr); }
  .road-mini { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 0; }
  .road-mini::before { display: none; }
  .eye-cta { justify-items: center; text-align: center; }
  .eye-cta .hero-cta { justify-content: center; }
}
@media (max-width: 640px) {
  .steps, .tiers, .grid-2, .grid-4, .howbuy, .flow-viz, .sim { grid-template-columns: minmax(0, 1fr); }
  .tier-ladder { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav .wallet-btn .addr, .nav .wallet-btn .lbl { display: none; }
  .nav .wallet-btn { padding: 10px 12px; }
  .ca-row { flex-direction: column; }
  .timeline { padding-left: 0; }
  .timeline::before, .timeline .progress { display: none; }
  .phase .node-pin { position: static; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .brand small { display: none; }
  .idcard { grid-template-columns: minmax(0, 1fr); justify-items: start; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  html.js .reveal.pre { opacity: 1; transform: none; }
}