/* ============================================================================
   jevry — style.css
   Warm porcelain, ink, citron. Manrope 200–800. Radii 6/12/20. Rhythm 4/8/12/16/24/32/48/64.
   Two tones (stage = near-black, paper = warm light) swap polarity with [data-theme].
   ========================================================================== */

@font-face {
  font-family: 'Manrope';
  src: url('/assets/fonts/manrope-latin-var.woff2') format('woff2-variations');
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #20221f;
  --porcelain: #f5f3ed;
  --paper: #fffefa;
  --citron: #d6ef83;
  --lime: #c9e75a;
  --silver: #b9bcb5;
  --muted: #64665f;
  --border: #d8d9d0;

  --stage-a: #0b0c0a;
  --stage-b: #141613;
  --stage-c: #1b1e19;

  /* tone A — the stage (dark by default) */
  --A: var(--stage-a);
  --A2: var(--stage-b);
  --A3: var(--stage-c);
  --A-fg: #f3f2eb;
  --A-fg-2: #b3b5aa;
  --A-line: rgba(245, 243, 237, 0.14);
  --A-line-2: rgba(245, 243, 237, 0.07);
  --A-accent: var(--citron);
  --A-accent-fg: var(--ink);

  /* tone B — warm paper */
  --B: var(--porcelain);
  --B2: var(--paper);
  --B3: #edece3;
  --B-fg: var(--ink);
  --B-fg-2: #5c5e57;
  --B-line: var(--border);
  --B-line-2: rgba(32, 34, 31, 0.06);
  /* olive-citron: 5.5:1 on porcelain, where citron itself is unreadable */
  --B-accent: #52691a;
  --B-accent-fg: var(--paper);

  --chrome: linear-gradient(180deg, #ffffff, #dfe5eb 22%, #626b75 48%, #1b1d21 62%, #cfd6de 84%, #ffffff);

  --r-xs: 6px;
  --r-sm: 12px;
  --r-lg: 20px;
  --pill: 999px;

  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px;
  --s-5: 24px; --s-6: 32px; --s-7: 48px; --s-8: 64px;

  --t-fast: 160ms;
  --t-slow: 440ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --wrap: 1240px;
  --nav-h: 68px;
  --shadow-1: 0 1px 2px rgba(11, 12, 10, 0.06), 0 8px 24px rgba(11, 12, 10, 0.06);
  --shadow-2: 0 2px 6px rgba(11, 12, 10, 0.1), 0 28px 64px rgba(11, 12, 10, 0.16);
}

html[data-theme='paper'] {
  --A: #eae8de;
  --A2: #f1efe6;
  --A3: var(--paper);
  --A-fg: var(--ink);
  --A-fg-2: #5c5e57;
  --A-line: rgba(32, 34, 31, 0.14);
  --A-line-2: rgba(32, 34, 31, 0.06);
  --A-accent: #52691a;
  --A-accent-fg: var(--paper);

  --B: var(--paper);
  --B2: #fffefb;
  --B3: var(--porcelain);
}

*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Manrope', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  background: var(--A);
  color: var(--A-fg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, canvas, video { max-width: 100%; }
svg { display: block; }
a { color: inherit; text-decoration-color: color-mix(in srgb, currentColor 40%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent, var(--citron)); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3, h4 { margin: 0; font-weight: 500; letter-spacing: -0.02em; line-height: 1.12; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
code, kbd, pre { font-family: ui-monospace, 'SFMono-Regular', 'JetBrains Mono', Menlo, monospace; }

/* ---------- layout ------------------------------------------------------- */

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap--narrow { max-width: 900px; }

.band { position: relative; padding: 96px 0; }
.band--tight { padding: 64px 0; }

.band--stage {
  background: var(--A); color: var(--A-fg);
  --bg: var(--A); --bg-2: var(--A2); --bg-3: var(--A3);
  --fg: var(--A-fg); --fg-2: var(--A-fg-2);
  --line: var(--A-line); --line-2: var(--A-line-2);
  --accent: var(--A-accent); --accent-fg: var(--A-accent-fg);
  --card: rgba(255, 255, 255, 0.035);
  --card-hi: rgba(255, 255, 255, 0.06);
}

.band--paper {
  background: var(--B); color: var(--B-fg);
  --bg: var(--B); --bg-2: var(--B2); --bg-3: var(--B3);
  --fg: var(--B-fg); --fg-2: var(--B-fg-2);
  --line: var(--B-line); --line-2: var(--B-line-2);
  --accent: var(--B-accent); --accent-fg: var(--B-accent-fg);
  --card: var(--paper);
  --card-hi: #fff;
}

.sec-head { max-width: 760px; margin-bottom: 48px; }
.sec-head--center { margin-inline: auto; text-align: center; }
.sec-head h2 { font-size: clamp(30px, 3.6vw, 44px); font-weight: 400; }
.sec-head p { margin-top: 16px; color: var(--fg-2); font-size: 17.5px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: currentColor; box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 22%, transparent);
}

.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }

/* ---------- components --------------------------------------------------- */

.ic { flex: 0 0 auto; fill: currentColor; stroke: none; }
.ic--stroke { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 20px; border-radius: var(--pill); border: 1px solid transparent;
  font-size: 14.5px; font-weight: 600; letter-spacing: -0.01em; white-space: nowrap;
  text-decoration: none; cursor: pointer; background: none;
  transition: transform var(--t-fast) var(--ease), background-color var(--t-fast), border-color var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: var(--accent-fg); }
.btn--primary:hover { background: color-mix(in srgb, var(--accent) 86%, #fff); box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 26%, transparent); }
.btn--ghost { border-color: var(--line); color: var(--fg); background: color-mix(in srgb, var(--fg) 4%, transparent); }
.btn--ghost:hover { border-color: color-mix(in srgb, var(--fg) 34%, transparent); background: color-mix(in srgb, var(--fg) 8%, transparent); }
.btn--quiet { color: var(--fg-2); padding-inline: 12px; }
.btn--quiet:hover { color: var(--fg); }
.btn--sm { padding: 9px 15px; font-size: 13.5px; }
.btn[aria-disabled='true'], .btn[disabled] { cursor: default; opacity: 0.55; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: var(--pill);
  border: 1px solid var(--line); background: color-mix(in srgb, var(--fg) 4%, transparent);
  cursor: pointer; transition: border-color var(--t-fast), background-color var(--t-fast);
}
.icon-btn:hover { border-color: color-mix(in srgb, var(--fg) 32%, transparent); background: color-mix(in srgb, var(--fg) 8%, transparent); }
.icon-btn svg { fill: currentColor; stroke: none; }

.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 11px; border-radius: var(--pill);
  border: 1px solid var(--line); background: color-mix(in srgb, var(--fg) 4%, transparent);
  font-size: 12.5px; font-weight: 600; color: var(--fg-2); white-space: nowrap;
}
.chip--accent { border-color: color-mix(in srgb, var(--accent) 42%, transparent); color: var(--accent); }
.chip--mono { font-family: ui-monospace, Menlo, monospace; font-weight: 500; letter-spacing: -0.01em; }

.card {
  position: relative; border: 1px solid var(--line); border-radius: var(--r-lg);
  background: var(--card); padding: 26px; overflow: hidden;
}
.card h3 { font-size: 19px; font-weight: 600; letter-spacing: -0.015em; }
.card p { margin-top: 10px; color: var(--fg-2); font-size: 15.5px; }
.card--pad-lg { padding: 32px; }

.card__num {
  font-family: ui-monospace, Menlo, monospace; font-size: 12px; font-weight: 600;
  letter-spacing: 0.12em; color: var(--accent); margin-bottom: 14px; display: block;
}

.lockup { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; }
.lockup__word {
  font-size: 21px; font-weight: 650; letter-spacing: -0.035em;
  text-transform: lowercase; line-height: 1;
}
.lockup .mk { flex: 0 0 auto; }

.mono { font-family: ui-monospace, Menlo, monospace; font-size: 13.5px; }

.codebox {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border: 1px solid var(--line); border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--bg) 60%, #000 12%);
  padding: 11px 11px 11px 16px;
}
.band--paper .codebox { background: var(--bg-3); }
.codebox code { font-size: 13.5px; white-space: pre-wrap; overflow-wrap: anywhere; color: var(--fg); }
.copy-btn {
  display: inline-flex; align-items: center; gap: 7px; flex: 0 0 auto;
  padding: 7px 12px; border-radius: var(--pill); border: 1px solid var(--line);
  background: color-mix(in srgb, var(--fg) 5%, transparent); font-size: 13px; font-weight: 600; cursor: pointer;
}
.copy-btn:hover { border-color: color-mix(in srgb, var(--fg) 30%, transparent); }
.copy-btn.is-done { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 44%, transparent); }

.note {
  display: flex; gap: 11px; align-items: flex-start;
  border-left: 2px solid var(--accent); padding: 2px 0 2px 16px;
  color: var(--fg-2); font-size: 15px;
}

table.data { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.data th, table.data td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data th { font-size: 11.5px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-2); }
table.data td:first-child { color: var(--fg-2); }
table.data td.num, table.data th.num { text-align: right; font-family: ui-monospace, Menlo, monospace; }
table.data tr:last-child td { border-bottom: 0; }
table.data .win { color: var(--accent); font-weight: 600; }

/* ---------- nav ---------------------------------------------------------- */

.nav {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--A) 86%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--A-line);
  color: var(--A-fg);
}
html[data-theme='paper'] .nav { background: color-mix(in srgb, #eae8de 88%, transparent); }
.nav__in { display: flex; align-items: center; gap: 20px; height: var(--nav-h); }
.nav__links { display: flex; align-items: center; gap: 4px; margin-left: 14px; }
.nav__link {
  padding: 8px 11px; border-radius: var(--pill); font-size: 14px; font-weight: 500;
  color: var(--A-fg-2); text-decoration: none; transition: color var(--t-fast), background-color var(--t-fast);
}
.nav__link:hover, .nav__link[aria-current='true'] { color: var(--A-fg); background: rgba(245, 243, 237, 0.07); }
html[data-theme='paper'] .nav__link:hover, html[data-theme='paper'] .nav__link[aria-current='true'] { background: rgba(32, 34, 31, 0.06); }
.nav__right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.nav__cta { background: var(--citron); color: var(--ink); border-color: transparent; }
.nav__cta:hover { background: color-mix(in srgb, var(--citron) 84%, #fff); }
.nav__burger { display: none; }
.nav__sheet {
  position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 55;
  background: var(--A); border-bottom: 1px solid var(--A-line);
  padding: 16px 24px 24px; display: grid; gap: 4px;
}
html[data-theme='paper'] .nav__sheet { background: #eae8de; }
.nav__sheet a { padding: 12px 8px; font-size: 17px; font-weight: 500; text-decoration: none; border-bottom: 1px solid var(--A-line-2); }

/* ---------- hero --------------------------------------------------------- */

.hero { position: relative; overflow: hidden; padding: 72px 0 88px; }
.hero::before {
  content: ''; position: absolute; inset: -20% -10% auto -10%; height: 640px;
  background: radial-gradient(52% 60% at 62% 40%, color-mix(in srgb, var(--citron) 20%, transparent), transparent 72%);
  pointer-events: none;
}
.hero__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 48px; align-items: center; }
.hero__h1 { font-size: clamp(33px, 3.55vw, 51px); font-weight: 300; letter-spacing: -0.035em; line-height: 1.08; text-wrap: balance; }
.hero__h1 em { font-style: normal; color: var(--accent); }
.glue { white-space: nowrap; }
.hero__lede { margin-top: 22px; font-size: 19px; color: var(--A-fg-2); max-width: 560px; }
.hero__cta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero__meta { margin-top: 26px; display: flex; gap: 10px; flex-wrap: wrap; }
.hero__facts {
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--A-line);
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px;
}
.hero__fact dt { font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--A-fg-2); }
.hero__fact dd { margin: 6px 0 0; font-size: 14.5px; font-weight: 500; }

.stage-mark { position: relative; display: grid; place-items: center; min-height: 380px; }
.stage-mark__frame {
  position: absolute; inset: 8% 4%; border-radius: var(--r-lg);
  border: 1px solid var(--A-line); background:
    radial-gradient(60% 50% at 50% 34%, rgba(255, 255, 255, 0.06), transparent 70%),
    linear-gradient(180deg, var(--A2), transparent 70%);
}
.mascot { position: relative; z-index: 2; will-change: transform; }
.mascot__svg { overflow: visible; }
.stage-mark .mascot__svg { width: min(100%, 400px); height: auto; }
.mascot__float { transform-origin: 50% 60%; animation: float 7s var(--ease) infinite; }
.mascot__sheen { animation: sheen 9s linear infinite; }
.mascot__glow { animation: pulse 7s ease-in-out infinite; transform-origin: 50% 50%; }
.mascot__shadow { animation: shadowPulse 7s ease-in-out infinite; transform-box: fill-box; transform-origin: 50% 50%; }
.spark { animation: spark 3.4s ease-in-out infinite; transform-box: fill-box; transform-origin: 50% 50%; }
.spark--2 { animation-delay: 0.6s; }
.spark--3 { animation-delay: 1.2s; }
.spark--4 { animation-delay: 1.8s; }
.spark--5 { animation-delay: 2.4s; }
.spark--6 { animation: twinkle 2.6s ease-in-out infinite; }

@keyframes float { 0%, 100% { transform: translateY(-1.4%) rotate(-0.6deg); } 50% { transform: translateY(1.6%) rotate(0.8deg); } }
@keyframes sheen { 0% { transform: translateX(0); } 100% { transform: translateX(420px); } }
@keyframes pulse { 0%, 100% { opacity: 0.82; transform: scale(0.98); } 50% { opacity: 1; transform: scale(1.03); } }
@keyframes spark { 0%, 100% { opacity: 0.25; transform: scale(0.7); } 50% { opacity: 1; transform: scale(1.15); } }
@keyframes shadowPulse { 0%, 100% { transform: scale(1) ; opacity: 0.95; } 50% { transform: scale(0.93, 0.86); opacity: 0.7; } }
@keyframes twinkle { 0%, 100% { opacity: 0.3; transform: rotate(0deg) scale(0.8); } 50% { opacity: 0.95; transform: rotate(45deg) scale(1.1); } }

/* the running-state chip that floats beside the mark */
.stage-mark__chip {
  position: absolute; z-index: 3; left: -10px; right: auto; top: 5%;
  display: grid; gap: 8px; padding: 14px 16px; min-width: 218px;
  border: 1px solid var(--A-line); border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--A2) 88%, transparent);
  backdrop-filter: blur(8px); box-shadow: var(--shadow-2);
}
.stage-mark__chip b { font-size: 11.5px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--A-fg-2); }
.stage-mark__chip .feed { font-family: ui-monospace, Menlo, monospace; font-size: 12.5px; color: var(--accent); min-height: 20px; }

/* ---------- status strip ------------------------------------------------- */

.status-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.status-strip__item { padding: 26px 24px; border-right: 1px solid var(--line); }
.status-strip__item:last-child { border-right: 0; }
.status-strip__item h3 { font-size: 15.5px; font-weight: 600; display: flex; align-items: center; gap: 9px; }
.status-strip__item h3 .ic { color: var(--accent); }
.status-strip__item p { margin-top: 8px; font-size: 14.5px; color: var(--fg-2); }

/* ---------- how it works ------------------------------------------------- */

.flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 56px; }
.flow__step { position: relative; padding: 22px 20px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--card); }
.flow__step::after {
  content: ''; position: absolute; top: 50%; right: -13px; width: 10px; height: 10px;
  border-top: 1.5px solid var(--line); border-right: 1.5px solid var(--line);
  transform: translateY(-50%) rotate(45deg);
}
.flow__step:last-child::after { display: none; }
.flow__step b { display: block; font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.flow__step span { display: block; margin-top: 10px; font-size: 15px; color: var(--fg-2); }
.flow__step.is-live { border-color: color-mix(in srgb, var(--accent) 52%, transparent); box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 26%, transparent); }

.layer-card { display: flex; flex-direction: column; gap: 6px; }
.layer-card ul { margin-top: 14px; display: grid; gap: 8px; }
.layer-card li { position: relative; padding-left: 18px; font-size: 14.5px; color: var(--fg-2); }
.layer-card li::before { content: ''; position: absolute; left: 2px; top: 9px; width: 6px; height: 6px; border-radius: 2px; background: var(--accent); }

.action-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.action-chips .chip--mono { color: var(--fg); }

/* ---------- demo --------------------------------------------------------- */

.demo__shell {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 340px); gap: 20px;
  align-items: start;
}
.demo__tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 20px; }
.demo__tab {
  padding: 9px 15px; border-radius: var(--pill); border: 1px solid var(--line);
  background: none; font-size: 14px; font-weight: 600; color: var(--fg-2); cursor: pointer;
  transition: color var(--t-fast), border-color var(--t-fast), background-color var(--t-fast);
}
.demo__tab:hover { color: var(--fg); }
.demo__tab[aria-selected='true'] { color: var(--fg); border-color: color-mix(in srgb, var(--accent) 55%, transparent); background: color-mix(in srgb, var(--accent) 10%, transparent); }

.win {
  border: 1px solid var(--line); border-radius: var(--r-sm); overflow: hidden;
  background: var(--card); box-shadow: var(--shadow-1);
}
.win__bar {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border-bottom: 1px solid var(--line); background: var(--bg-2);
}
.win__dots { display: flex; gap: 6px; }
.win__dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); display: block; }
.win__url {
  flex: 1 1 auto; min-width: 0; display: flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: var(--pill); background: var(--bg);
  border: 1px solid var(--line); font-family: ui-monospace, Menlo, monospace; font-size: 12.5px; color: var(--fg-2);
}
.win__url span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.win__body { position: relative; padding: 18px; min-height: 232px; display: grid; align-content: start; background: var(--bg-2); }
.win__beam { position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; }
.win.is-running .win__beam { opacity: 1; background: conic-gradient(from var(--beam, 0deg), transparent 0 62%, var(--accent) 78%, transparent 92%); -webkit-mask: linear-gradient(#000,#000) content-box, linear-gradient(#000,#000); -webkit-mask-composite: xor; mask-composite: exclude; padding: 1px; animation: beam 2.4s linear infinite; }
@keyframes beam { to { --beam: 360deg; } }
@property --beam { syntax: '<angle>'; initial-value: 0deg; inherits: false; }

.pagerow { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--r-xs); border: 1px solid transparent; }
.pagerow + .pagerow { margin-top: 6px; }
.pagerow b { font-size: 14px; font-weight: 600; }
.pagerow small { color: var(--fg-2); font-size: 12.5px; }
.pagerow.is-mark { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.pagerow.is-new { animation: pop var(--t-slow) var(--ease) both; }
@keyframes pop { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.d-slot {
  margin-top: 14px; padding: 26px 16px; border: 1px dashed var(--line); border-radius: var(--r-xs);
  text-align: center; color: var(--fg-2); font-size: 13px;
}
.fieldgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.field { border: 1px solid var(--line); border-radius: var(--r-xs); padding: 9px 12px; background: var(--bg); }
.field label { display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-2); }
.field output { display: block; margin-top: 4px; font-size: 14.5px; min-height: 22px; }
.field.is-filled { border-color: color-mix(in srgb, var(--accent) 46%, transparent); }
.field.is-filled output { color: var(--fg); }
.caret::after { content: ''; display: inline-block; width: 2px; height: 15px; background: var(--accent); margin-left: 2px; vertical-align: -2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.board { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; max-width: 340px; margin: 0 auto; }
.tile {
  aspect-ratio: 1; border-radius: 8px; display: grid; place-items: center;
  font-weight: 700; font-size: clamp(15px, 3.6vw, 24px); letter-spacing: -0.03em;
  background: #cfc9b8; color: #6f6a5c;
}
.tile[data-v='2'] { background: #efe9d8; color: #4a4740; }
.tile[data-v='4'] { background: #e8dfc0; color: #46433c; }
.tile[data-v='8'] { background: #d6ef83; color: #2a2d24; }
.tile[data-v='16'] { background: #c9e75a; color: #23261c; }
.tile[data-v='32'] { background: #a9cf3c; color: #1d2016; }
.tile[data-v='64'] { background: #7fae2a; color: #f7f9ef; }
.tile[data-v='128'] { background: #5c8a1f; color: #f7f9ef; }
.tile[data-v='256'] { background: #3f6a16; color: #f7f9ef; }
.tile[data-v='512'] { background: #2f5210; color: #f7f9ef; }
.tile[data-v='1024'] { background: #223d0c; color: #f7f9ef; }
.tile[data-v='2048'] { background: #14171a; color: var(--citron); box-shadow: 0 0 0 2px color-mix(in srgb, var(--citron) 60%, transparent), 0 0 28px color-mix(in srgb, var(--citron) 36%, transparent); }
.tile.is-new { animation: pop var(--t-fast) var(--ease) both; }
.tile.is-merged { animation: merge 260ms var(--ease); }
@keyframes merge { 50% { transform: scale(1.14); } }

.gamescore { display: flex; gap: 18px; align-items: baseline; justify-content: center; margin-bottom: 14px; }
.gamescore b { font-family: ui-monospace, Menlo, monospace; font-size: 20px; }
.gamescore small { color: var(--fg-2); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; }
.win-flag {
  margin-top: 16px; text-align: center; padding: 12px; border-radius: var(--r-xs);
  border: 1px solid color-mix(in srgb, var(--accent) 55%, transparent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

/* both axes are definite on purpose: a row-only placement is resolved before auto-placed
   items, which would push the window into the narrow track */
.demo__side { display: grid; gap: 16px; grid-column: 2; grid-row: 1 / span 2; }
.task-box { padding: 16px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--card); }
.task-box__label { font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg-2); }
.task-box__text { margin-top: 8px; font-size: 15.5px; }
.feed-list { display: grid; gap: 8px; margin-top: 12px; max-height: 268px; overflow: auto; padding-right: 4px; }
.feed-item {
  display: grid; grid-template-columns: 68px minmax(0, 1fr); gap: 10px;
  padding: 9px 10px; border-radius: var(--r-xs); border: 1px solid var(--line-2);
  background: color-mix(in srgb, var(--fg) 4%, transparent);
  font-size: 13px; animation: pop var(--t-fast) var(--ease) both;
}
.feed-item b { font-family: ui-monospace, Menlo, monospace; font-size: 11.5px; font-weight: 600; letter-spacing: 0.02em; color: var(--fg-2); }
.feed-item span { color: var(--fg); }
.feed-item small { display: block; color: var(--fg-2); font-size: 12px; margin-top: 3px; }
.feed-item[data-kind='choice'] { border-color: color-mix(in srgb, var(--accent) 42%, transparent); }
.feed-item[data-kind='choice'] b { color: var(--accent); }
.feed-item[data-kind='guard'] { border-color: color-mix(in srgb, #e0b95a 46%, transparent); }
.feed-item[data-kind='guard'] b { color: #c9a544; }

/* Scenario plan chips: wrapped rows stretch so a lone chip fills its line instead of
   leaving a ragged hole in a 340px column. */
.meta-chips { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 8px; }
.meta-chips .chip { justify-content: flex-start; }
/* an odd last chip spans the row so the block never ends with a ragged hole */
.meta-chips .chip:last-child:nth-child(odd) { grid-column: 1 / -1; }

.counters { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 10px; margin-top: 14px; }
.counters:has(.counter:nth-child(4)) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.counter { border: 1px solid var(--line); border-radius: var(--r-xs); padding: 10px 12px; }
.counter b { display: block; font-family: ui-monospace, Menlo, monospace; font-size: 18px; }
.counter small { color: var(--fg-2); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }

.demo__controls { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.demo__controls .btn { white-space: nowrap; }
.progress { height: 3px; border-radius: 2px; background: var(--line); overflow: hidden; margin-top: 12px; }
.progress i { display: block; height: 100%; width: 0; background: var(--accent); transition: width var(--t-fast) linear; }

.scenario-note { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 16px; background: var(--card); }
.scenario-note p { font-size: 14.5px; color: var(--fg-2); }

/* ---------- use cases ---------------------------------------------------- */

.uc-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.uc {
  display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px;
  padding: 22px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--card);
}
.uc__ic { display: grid; place-items: center; width: 40px; height: 40px; border-radius: var(--r-xs); background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }
.uc h3 { font-size: 16.5px; font-weight: 600; }
.uc q { display: block; margin-top: 8px; font-size: 15px; color: var(--fg); font-style: italic; }
.uc p { margin-top: 8px; font-size: 13.5px; color: var(--fg-2); }
.uc .chip { margin-top: 12px; }

/* ---------- results ------------------------------------------------------ */

.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 26px; }
.big-stat { display: flex; flex-wrap: wrap; align-items: baseline; gap: 16px; margin-bottom: 8px; }
.big-stat b { font-size: clamp(40px, 6vw, 64px); font-weight: 300; letter-spacing: -0.04em; line-height: 1; }
.big-stat span { color: var(--fg-2); font-size: 16px; max-width: 420px; }
.panel { border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--card); overflow: hidden; }
.panel__pad { padding: 22px; }
.caveat { margin-top: 18px; padding: 16px 18px; border: 1px dashed var(--line); border-radius: var(--r-sm); color: var(--fg-2); font-size: 14.5px; }
.caveat b { color: var(--fg); font-weight: 600; }

/* ---------- architecture ------------------------------------------------- */

.arch { display: grid; gap: 14px; }
.arch__row { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 24px; padding: 22px 0; border-top: 1px solid var(--line); }
.arch__row:last-child { border-bottom: 1px solid var(--line); }
.arch__row dt { font-size: 15px; font-weight: 700; }
.arch__row dd { margin: 0; color: var(--fg-2); font-size: 15.5px; }
.step-list { display: grid; gap: 12px; counter-reset: loop; }
.step-list li {
  position: relative; padding: 20px 22px 20px 62px;
  border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--card);
  counter-increment: loop;
}
.step-list li::before {
  content: counter(loop, decimal-leading-zero);
  position: absolute; left: 22px; top: 20px;
  font-family: ui-monospace, Menlo, monospace; font-size: 13px; font-weight: 600; color: var(--accent);
}
.step-list b { display: block; font-size: 16px; font-weight: 600; }
.step-list p { margin-top: 6px; color: var(--fg-2); font-size: 15px; }

/* ---------- install ------------------------------------------------------ */

.install-steps { display: grid; gap: 16px; }
.install-step { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 26px; padding: 26px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--card); }
.install-step__n { font-family: ui-monospace, Menlo, monospace; font-size: 12px; color: var(--accent); letter-spacing: 0.16em; }
.install-step h3 { margin-top: 8px; font-size: 20px; font-weight: 600; }
.install-step p { margin-top: 8px; color: var(--fg-2); font-size: 15px; }
.install-step .codebox { margin-top: 14px; }
.install-step .codebox + .codebox { margin-top: 8px; }

details.disclosure { border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--card); }
details.disclosure + details.disclosure { margin-top: 8px; }
details.disclosure > summary {
  cursor: pointer; padding: 16px 20px; font-size: 15.5px; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; list-style: none;
}
details.disclosure > summary::-webkit-details-marker { display: none; }
details.disclosure > summary::after { content: '+'; font-size: 18px; color: var(--fg-2); }
details.disclosure[open] > summary::after { content: '−'; }
details.disclosure > div { padding: 0 20px 20px; color: var(--fg-2); font-size: 15px; }

/* ---------- token band --------------------------------------------------- */

.band--token { /* the band follows the page tone: dark stage = citron, porcelain = olive */ }
.token__grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 32px; align-items: start; }
.token__well {
  border: 1px solid color-mix(in srgb, var(--accent) 38%, transparent);
  border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--bg) 82%, #000 10%);
  padding: 20px;
}
.band--paper .token__well { background: var(--bg-3); }
.token__well-label { font-size: 11.5px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.token__ca {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-top: 8px;
  font-family: ui-monospace, Menlo, monospace; font-size: 15px; line-height: 1.5;
}
.token__ca code { padding-top: 3px; overflow-wrap: anywhere; }
.token__copy { border: 0; background: none; padding: 0; min-height: 26px; display: inline-flex; align-items: center; gap: 7px; opacity: 0.5; font-size: 13px; font-weight: 600; color: inherit; cursor: pointer; }
.token__copy.is-live { opacity: 1; }
.token__status { margin-top: 10px; min-height: 22px; font-size: 13.5px; color: var(--accent); }
.token__facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.token__fact { border: 1px solid var(--line); border-radius: var(--r-xs); padding: 12px 14px; }
.token__fact b { display: block; font-family: ui-monospace, Menlo, monospace; font-size: 14.5px; }
.token__fact small { color: var(--fg-2); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }
.token__chip { display: inline-flex; align-items: center; gap: 7px; padding: 5px 11px; border-radius: var(--pill); border: 1px solid color-mix(in srgb, var(--accent) 44%, transparent); font-size: 11.5px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }

/* ---------- faq / cta / footer ------------------------------------------- */

.faq__list { display: grid; gap: 8px; }
.faq__a p { color: var(--fg-2); font-size: 15.5px; }

.cta {
  position: relative; overflow: hidden; text-align: center;
  background: var(--A2);
}
.cta::before {
  content: ''; position: absolute; inset: auto -20% -70% -20%; height: 420px;
  background: radial-gradient(50% 60% at 50% 40%, color-mix(in srgb, var(--citron) 22%, transparent), transparent 70%);
}
.cta__in { position: relative; }
.cta h2 { font-size: clamp(30px, 4.4vw, 52px); font-weight: 300; letter-spacing: -0.035em; }
.cta p { margin-top: 16px; color: var(--A-fg-2); font-size: 17.5px; }
.cta__row { margin-top: 28px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.foot { padding: 56px 0 40px; }
.foot__grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 32px; }
.foot h4 { font-size: 11.5px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--A-fg-2); }
.foot ul { margin-top: 14px; display: grid; gap: 9px; }
.foot a { font-size: 14.5px; color: var(--A-fg); text-decoration: none; }
.foot a:hover { text-decoration: underline; }
.foot__bottom {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--A-line);
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between;
  font-size: 13px; color: var(--A-fg-2);
}

/* ---------- page-level extras -------------------------------------------- */

.pagehead { padding: 52px 0 26px; }
.pagehead h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 300; letter-spacing: -0.035em; }
.pagehead p { margin-top: 16px; font-size: 18px; color: var(--A-fg-2); max-width: 720px; }

.pkg { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px; align-items: center; padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--card); }
.pkg + .pkg { margin-top: 12px; }
.pkg h3 { font-size: 17px; font-weight: 600; }
.pkg p { margin-top: 6px; font-size: 14px; color: var(--fg-2); }
.pkg .hash { margin-top: 10px; font-family: ui-monospace, Menlo, monospace; font-size: 12.5px; color: var(--fg-2); overflow-wrap: anywhere; }
.pkg__right { display: grid; gap: 10px; justify-items: end; }

.scale-row { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 26px; margin-top: 22px; }
.scale-row figure { display: grid; gap: 8px; justify-items: center; }
.scale-row figure span { display: grid; place-items: center; min-height: 68px; }
.scale-row figcaption { font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--A-fg-2); }
.scale-row p { flex: 1 1 320px; max-width: 46ch; font-size: 14.5px; color: var(--A-fg-2); }

.swatches { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.swatch { border: 1px solid var(--line); border-radius: var(--r-sm); overflow: hidden; }
.swatch__chip { height: 88px; }
.swatch__meta { padding: 12px 14px; }
.swatch__meta b { display: block; font-size: 14px; }
.swatch__meta code { font-size: 12.5px; color: var(--fg-2); }
.swatch__meta small { display: block; margin-top: 6px; font-size: 12.5px; color: var(--fg-2); }

.specimen { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 24px; background: var(--card); }
.specimen .sp-display { font-size: clamp(34px, 5vw, 62px); font-weight: 300; letter-spacing: -0.035em; }
.specimen .sp-title { font-size: 28px; font-weight: 600; }
.specimen .sp-body { font-size: 17px; color: var(--fg-2); }
.specimen .sp-eyebrow { font-size: 11.5px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); }

.mark-set { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.mark-set figure { margin: 0; border: 1px solid var(--line); border-radius: var(--r-sm); padding: 24px; display: grid; place-items: center; gap: 14px; }
.mark-set figcaption { font-size: 13px; color: var(--fg-2); }
.mark-set .on-ink { background: var(--stage-a); }
.mark-set .on-paper { background: var(--porcelain); }

.center-state { text-align: center; padding: 96px 0; }
.center-state h1 { font-size: clamp(64px, 14vw, 140px); font-weight: 300; letter-spacing: -0.05em; line-height: 1; }
.center-state p { margin-top: 18px; color: var(--A-fg-2); }

/* ---------- reveal ------------------------------------------------------- */

/* Reveal is opt-in: the `anim` class is set by an inline script in <head>, so without JS
   every section renders visible (no content is ever trapped at opacity:0). */
html.anim .rv {
  opacity: 0; transform: translateY(18px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}
html.anim .rv.is-in { opacity: 1; transform: none; }

/* ---------- responsive (always last) ------------------------------------- */

@media (max-width: 1080px) {
  .hero__grid, .two-col, .demo__shell, .token__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__grid { gap: 40px; }
  .stage-mark { min-height: 320px; order: -1; }
  .stage-mark__chip { left: 0; right: auto; top: 3%; }
  .grid-3, .grid-4, .swatches { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .arch__row, .install-step { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .demo__shell { gap: 24px; }
  .demo__controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .demo__side { grid-column: auto; grid-row: auto; }
}

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__burger { display: inline-flex; }
  .status-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .status-strip__item:nth-child(2) { border-right: 0; }
  .status-strip__item:nth-child(1), .status-strip__item:nth-child(2) { border-bottom: 1px solid var(--line); }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow__step:nth-child(2)::after { display: none; }
  .uc-grid { grid-template-columns: minmax(0, 1fr); }
  .hero__facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mark-set { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 620px) {
  .band { padding: 64px 0; }
  .wrap { padding: 0 18px; }
  .grid-3, .grid-4, .grid-2, .swatches, .fieldgrid, .flow, .status-strip, .token__facts { grid-template-columns: minmax(0, 1fr); }
  .status-strip__item { border-right: 0; border-bottom: 1px solid var(--line); }
  .status-strip__item:last-child { border-bottom: 0; }
  .flow__step::after { display: none; }
  .nav__cta { display: none; }
  .hero__h1 { font-size: clamp(32px, 9vw, 44px); }
  .hero__cta .btn { flex: 1 1 auto; }
  .pkg { grid-template-columns: minmax(0, 1fr); }
  .pkg__right { justify-items: start; }
  .foot__grid { grid-template-columns: minmax(0, 1fr); }
  .win__body { padding: 12px; min-height: 244px; }
  .board { max-width: 290px; gap: 8px; }
  .feed-item { grid-template-columns: 58px minmax(0, 1fr); }
  .install-step, .card, .uc { padding: 20px; }
  .token__ca { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .rv { opacity: 1 !important; transform: none !important; }
  .win.is-running .win__beam { opacity: 0.4; }
  .mascot__sheen { animation: none; }
  .caret::after { animation: none; }
}

@media print {
  .nav, .demo__controls, .cta__row { display: none; }
}