:root {
  /* Learning blue + play yellow + fun pink, on a tinted background so white
     cards lift off it. A pure-white page would flatten the whole effect. */
  --bg: #EFF4FF;
  --bg-raised: #F7FAFF;
  --panel: #FFFFFF;
  /* Borders carry the clay shape, so they need to be visible against the page —
     the softer #DBE4F5 measured 1.16:1 and effectively disappeared. */
  --border: #C9D6EF;
  --border-strong: #A3B6E0;

  --text: #16223A;
  --text-dim: #46557A;
  /* Darkened from #6B7A9B, which measured 3.90:1 on the page background — below
     the 4.5:1 body-text threshold. Pastel palettes fail here easily, so these
     are set from measurement rather than by eye (scripts/check-contrast.js). */
  --muted: #5A6888;

  --accent: #4F46E5;
  --accent-soft: #EEF0FE;
  --accent-ink: #FFFFFF;
  --accent-2: #F59E0B;
  /* The pink reads as playful but only reached 3.53:1 on white; deepened so the
     multiplier badge is legible, not just decorative. */
  --accent-3: #C81E67;

  --good: #15803D;
  --good-border: #86E0A8;
  --good-bg: #E9FBF0;
  --warn: #B45309;
  --warn-border: #F5CE8A;
  --warn-bg: #FEF6E7;
  --bad: #BE123C;
  --bad-border: #F5A9BC;
  --bad-bg: #FEF0F3;

  /* The clay signature: an inner highlight from above-left, an inner shade from
     below-right, and a soft coloured drop underneath. */
  --clay:
    inset 2px 2px 6px rgba(255, 255, 255, .95),
    inset -2px -3px 7px rgba(120, 140, 190, .16),
    6px 8px 18px rgba(64, 84, 140, .10);
  --clay-sm:
    inset 1px 1px 4px rgba(255, 255, 255, .9),
    inset -1px -2px 5px rgba(120, 140, 190, .14),
    3px 4px 10px rgba(64, 84, 140, .09);
  --clay-press:
    inset 3px 4px 9px rgba(120, 140, 190, .22),
    inset -1px -1px 4px rgba(255, 255, 255, .75);
  --clay-lift:
    inset 2px 2px 6px rgba(255, 255, 255, .95),
    inset -2px -3px 7px rgba(120, 140, 190, .16),
    10px 14px 26px rgba(64, 84, 140, .14);

  --radius: 22px;
  --radius-sm: 14px;
  --radius-pill: 999px;
  --border-w: 3px;

  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px;
  --s5: 24px; --s6: 32px; --s7: 48px; --s8: 64px;
  --gap: var(--s4);

  --t-xs: 12px; --t-sm: 13px; --t-md: 14px; --t-base: 16px;
  --t-lg: 18px; --t-xl: 24px; --t-2xl: 32px; --t-3xl: 42px;

  --font: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  /* Overshoot easing: the small bounce that makes a surface feel soft. */
  --bounce: cubic-bezier(.34, 1.56, .64, 1);
}

:root[data-theme="dark"] {
  --bg: #12172B;
  --bg-raised: #1A2140;
  --panel: #1E2647;
  --border: #2F3A63;
  --border-strong: #445285;

  --text: #EEF1FA;
  --text-dim: #B4BDD8;
  --muted: #8A95B8;

  --accent: #8B87FF;
  --accent-soft: #262E55;
  --accent-ink: #12172B;
  --accent-2: #FBBF24;
  --accent-3: #F472B6;

  --good: #6EE7A0;
  --good-border: #2C6A47;
  --good-bg: #16301F;
  --warn: #FBBF24;
  --warn-border: #6B5220;
  --warn-bg: #2E2410;
  --bad: #FB7185;
  --bad-border: #7A2B3C;
  --bad-bg: #2E1520;

  /* No white highlight to work with, so the rim carries the shape instead. */
  --clay:
    inset 2px 2px 6px rgba(255, 255, 255, .07),
    inset -2px -3px 7px rgba(0, 0, 0, .40),
    6px 8px 20px rgba(0, 0, 0, .38);
  --clay-sm:
    inset 1px 1px 4px rgba(255, 255, 255, .06),
    inset -1px -2px 5px rgba(0, 0, 0, .34),
    3px 4px 12px rgba(0, 0, 0, .32);
  --clay-press:
    inset 3px 4px 10px rgba(0, 0, 0, .45),
    inset -1px -1px 4px rgba(255, 255, 255, .05);
  --clay-lift:
    inset 2px 2px 6px rgba(255, 255, 255, .09),
    inset -2px -3px 7px rgba(0, 0, 0, .40),
    10px 14px 30px rgba(0, 0, 0, .48);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12172B;
    --bg-raised: #1A2140;
    --panel: #1E2647;
    --border: #2F3A63;
    --border-strong: #445285;
    --text: #EEF1FA;
    --text-dim: #B4BDD8;
    --muted: #8A95B8;
    --accent: #8B87FF;
    --accent-soft: #262E55;
    --accent-ink: #12172B;
    --accent-2: #FBBF24;
    --accent-3: #F472B6;
    --good: #6EE7A0;
    --good-border: #2C6A47;
    --good-bg: #16301F;
    --warn: #FBBF24;
    --warn-border: #6B5220;
    --warn-bg: #2E2410;
    --bad: #FB7185;
    --bad-border: #7A2B3C;
    --bad-bg: #2E1520;
    --clay:
      inset 2px 2px 6px rgba(255, 255, 255, .07),
      inset -2px -3px 7px rgba(0, 0, 0, .40),
      6px 8px 20px rgba(0, 0, 0, .38);
    --clay-sm:
      inset 1px 1px 4px rgba(255, 255, 255, .06),
      inset -1px -2px 5px rgba(0, 0, 0, .34),
      3px 4px 12px rgba(0, 0, 0, .32);
    --clay-press:
      inset 3px 4px 10px rgba(0, 0, 0, .45),
      inset -1px -1px 4px rgba(255, 255, 255, .05);
    --clay-lift:
      inset 2px 2px 6px rgba(255, 255, 255, .09),
      inset -2px -3px 7px rgba(0, 0, 0, .40),
      10px 14px 30px rgba(0, 0, 0, .48);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---------- animations ---------- */

@keyframes slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes popIn {
  0% { opacity: 0; transform: scale(.92); }
  60% { opacity: 1; transform: scale(1.03); }
  100% { transform: scale(1); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Scroll-reveal: elements start hidden, animate in when visible.
   The .reveal class is added by JS via IntersectionObserver. Without JS,
   content is visible normally — progressive enhancement. */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s cubic-bezier(.22, 1, .36, 1), transform .6s cubic-bezier(.22, 1, .36, 1);
}
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* Stagger children: set --i on each child for a cascade. */
.reveal[style*="--i"] { transition-delay: calc(var(--i) * 80ms); }

/* Hero entrance — plays on load, no observer needed. */
.hero-center > * { animation: fadeUp .6s cubic-bezier(.22, 1, .36, 1) both; }
.hero-center > *:nth-child(1) { animation-delay: .05s; }
.hero-center > *:nth-child(2) { animation-delay: .15s; }
.hero-center > *:nth-child(3) { animation-delay: .25s; }
.hero-center > *:nth-child(4) { animation-delay: .35s; }
.hero-center > *:nth-child(5) { animation-delay: .45s; }

/* Live badge pulse */
.live::before { animation: pulse 2s ease-in-out infinite; }

/* Terminal cursor blink */
.terminal-out .cursor {
  display: inline-block;
  width: 8px; height: 1.1em;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
  border-radius: 2px;
}

a { color: var(--accent); text-decoration: none; font-weight: 600; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, summary:focus-visible, .preset input:focus-visible + .preset-body {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- header ---------- */

header {
  background: var(--panel);
  border-bottom: var(--border-w) solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  animation: slideDown .4s var(--bounce) both;
}
header .inner {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--s3) var(--s5);
  display: flex;
  align-items: center;
  gap: var(--s3);
}
header .brand {
  font-weight: 800;
  font-size: var(--t-lg);
  letter-spacing: -0.03em;
  color: var(--text);
  white-space: nowrap;
  transition: transform .2s var(--bounce);
}
header .brand:hover { text-decoration: none; transform: scale(1.03); }
header nav { margin-left: auto; display: flex; gap: var(--s1); align-items: center; flex-wrap: wrap; }
header nav a {
  color: var(--text-dim);
  font-size: var(--t-md);
  font-weight: 600;
  padding: var(--s2) var(--s3);
  border-radius: var(--radius-pill);
  transition: background .18s var(--bounce), color .18s, transform .18s var(--bounce);
}
header nav a:hover { color: var(--text); background: var(--bg-raised); text-decoration: none; transform: translateY(-1px); }
header nav a.on { color: var(--accent); background: var(--accent-soft); }
header .who {
  color: var(--muted); font-size: var(--t-sm); margin-left: var(--s2);
  max-width: 20ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* Hamburger toggle — hidden on desktop, shown on mobile */
.nav-toggle {
  display: none;
  background: var(--bg-raised);
  border: 2px solid var(--border);
  color: var(--text);
  width: 42px; height: 42px;
  border-radius: var(--radius-pill);
  cursor: pointer; padding: 0; flex: 0 0 auto;
  box-shadow: var(--clay-sm);
  transition: transform .18s var(--bounce), box-shadow .18s;
  margin-left: auto;
  align-items: center; justify-content: center;
}
.nav-toggle:hover { transform: translateY(-2px); }
.nav-toggle:active { box-shadow: var(--clay-press); transform: translateY(1px); }
.nav-toggle svg { width: 20px; height: 20px; }
.nav-toggle .close-icon { display: none; }
body.nav-open .nav-toggle .menu-icon { display: none; }
body.nav-open .nav-toggle .close-icon { display: block; }

.live {
  display: inline-flex; align-items: center; gap: var(--s2);
  font-size: var(--t-xs); font-weight: 700; color: var(--good);
  padding: var(--s1) var(--s3);
  background: var(--good-bg);
  border: 2px solid var(--good-border);
  border-radius: var(--radius-pill);
}
.live::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%;
  background: var(--good);
}

.theme-toggle {
  background: var(--bg-raised);
  border: 2px solid var(--border);
  color: var(--text-dim);
  width: 42px; height: 42px;
  border-radius: var(--radius-pill);
  display: grid; place-items: center;
  cursor: pointer; padding: 0; flex: 0 0 auto;
  box-shadow: var(--clay-sm);
  transition: transform .18s var(--bounce), box-shadow .18s;
}
.theme-toggle:hover { color: var(--text); transform: translateY(-2px); }
.theme-toggle:active { box-shadow: var(--clay-press); transform: translateY(1px); }
.theme-toggle svg { width: 18px; height: 18px; }
:root[data-theme="light"] .theme-toggle .moon,
:root:not([data-theme="dark"]) .theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .moon { display: block; }
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-toggle .sun { display: block; }
}

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

main { max-width: 960px; margin: 0 auto; padding: var(--s6) var(--s5) var(--s8); }

footer {
  border-top: var(--border-w) solid var(--border);
  background: var(--panel);
  padding: var(--s6) var(--s5);
  color: var(--muted);
  font-size: var(--t-sm);
  margin-top: var(--s7);
}
footer .inner {
  max-width: 960px; margin: 0 auto;
  display: flex; gap: var(--s5); flex-wrap: wrap; align-items: center;
}
footer nav { display: flex; gap: var(--s5); margin-left: auto; flex-wrap: wrap; }

/* ---------- type ---------- */

h1 { font-size: var(--t-xl); margin: 0 0 var(--s2); letter-spacing: -0.03em; line-height: 1.2; font-weight: 800; }
h2 { font-size: var(--t-lg); margin: var(--s7) 0 var(--s4); letter-spacing: -0.02em; font-weight: 700; }
h2:first-child { margin-top: 0; }
.sub { color: var(--text-dim); margin: 0 0 var(--s5); font-size: var(--t-base); }
p { margin: 0 0 var(--s3); }
p:last-child { margin-bottom: 0; }

.hero { padding: var(--s8) 0 var(--s4); }
.hero h1 {
  font-size: var(--t-3xl);
  margin-bottom: var(--s4);
  letter-spacing: -0.04em;
  line-height: 1.08;
  font-weight: 800;
}
.hero p { color: var(--text-dim); font-size: var(--t-lg); margin-bottom: var(--s5); max-width: 56ch; }
.hero .cta { display: flex; gap: var(--s3); flex-wrap: wrap; }

/* Centred hero: headline, promise, two actions, then a search that jumps
   straight to the catalogue. */
.hero-center { text-align: center; padding: var(--s8) 0 var(--s5); }
.hero-center h1 { max-width: 16ch; margin-left: auto; margin-right: auto; }
.hero-center p { margin-left: auto; margin-right: auto; max-width: 62ch; }
.hero-center .cta { justify-content: center; }
.hero .hl {
  background: linear-gradient(135deg, var(--accent), var(--accent-3), var(--accent-2), var(--accent));
  background-size: 300% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 6s ease infinite;
}

.hero-badge {
  display: inline-block;
  padding: var(--s2) var(--s4);
  margin-bottom: var(--s5);
  background: var(--accent-soft);
  border: 2px solid var(--accent);
  color: var(--accent);
  border-radius: var(--radius-pill);
  font-size: var(--t-sm);
  font-weight: 700;
  box-shadow: var(--clay-sm);
}

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

.terminal {
  background: var(--panel);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--clay);
  overflow: hidden;
  margin-bottom: var(--s6);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: var(--s3) var(--s4);
  background: var(--bg-raised);
  border-bottom: 2px solid var(--border);
  flex-wrap: wrap;
}
.terminal-bar .dots { display: flex; gap: 6px; flex: 0 0 auto; }
.terminal-bar .dots i {
  width: 11px; height: 11px; border-radius: 50%; display: block;
}
.terminal-bar .dots i:nth-child(1) { background: #F87171; }
.terminal-bar .dots i:nth-child(2) { background: #FBBF24; }
.terminal-bar .dots i:nth-child(3) { background: #4ADE80; }

.terminal .tabs { display: flex; gap: var(--s1); }
.terminal .tab {
  padding: var(--s1) var(--s3);
  font-size: var(--t-sm);
  font-weight: 700;
  min-height: 34px;
  width: auto;
  background: transparent;
  border: 2px solid transparent;
  box-shadow: none;
  color: var(--muted);
  border-radius: var(--radius-pill);
}
.terminal .tab:hover { color: var(--text); background: var(--panel); box-shadow: none; transform: none; }
.terminal .tab.on { background: var(--panel); border-color: var(--border); color: var(--text); }

.terminal .copy-code {
  margin-left: auto;
  padding: var(--s1) var(--s3);
  font-size: var(--t-sm);
  min-height: 34px;
  width: auto;
}

.terminal-body {
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: var(--panel);
  padding: var(--s5) var(--s4);
}
.terminal-out {
  padding: var(--s3) var(--s4);
  border-top: 2px solid var(--border);
  background: var(--bg-raised);
  font-family: var(--mono);
  font-size: var(--t-sm);
  color: var(--text-dim);
}
.terminal-out .ok { color: var(--good); font-weight: 700; margin-right: var(--s2); }

.muted { color: var(--muted); }
.small { font-size: var(--t-sm); }
code, .mono { font-family: var(--mono); font-size: 0.9em; }

/* ---------- surfaces ---------- */

.panel {
  background: var(--panel);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  padding: var(--s5);
  margin-bottom: var(--gap);
  box-shadow: var(--clay);
}

.strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--s3);
  margin-bottom: var(--s5);
}
.strip > div {
  background: var(--panel);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--s4);
  box-shadow: var(--clay-sm);
}
.strip .k { color: var(--muted); font-size: var(--t-xs); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; }
.strip .v { font-size: var(--t-base); margin-top: var(--s1); font-weight: 700; word-break: break-word; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: var(--s4); }
.card {
  background: var(--panel);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  padding: var(--s5);
  box-shadow: var(--clay);
  transition: transform .22s var(--bounce), box-shadow .22s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--clay-lift); }
.card .label { color: var(--muted); font-size: var(--t-xs); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; }
.card .value {
  font-size: var(--t-2xl);
  font-weight: 800;
  margin-top: var(--s2);
  letter-spacing: -0.03em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

/* ---------- tables ----------
   Data-dense screens keep a tighter treatment: full clay on a hundred rows is
   noise, not personality. The container carries the style; rows stay plain. */

table { width: 100%; border-collapse: collapse; font-size: var(--t-md); }
th, td { text-align: left; padding: var(--s3); border-bottom: 2px solid var(--border); }
th {
  color: var(--muted); font-weight: 700; font-size: var(--t-xs);
  text-transform: uppercase; letter-spacing: 0.07em;
}
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: 0; }

.scroller { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 calc(var(--s5) * -1); padding: 0 var(--s5); }
.scroller table { min-width: 460px; }

/* ---------- forms ---------- */

label { display: block; margin-bottom: var(--s4); }
label > span { display: block; font-size: var(--t-sm); color: var(--text-dim); margin-bottom: var(--s2); font-weight: 600; }
label em { font-style: normal; opacity: 0.8; font-weight: 400; }

input, select {
  background: var(--bg-raised);
  border: var(--border-w) solid var(--border);
  color: var(--text);
  padding: var(--s3) var(--s4);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: var(--t-base);
  width: 100%;
  box-shadow: var(--clay-press);
  transition: border-color .18s, box-shadow .18s;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
input::placeholder { color: var(--muted); }

button, .button {
  background: var(--panel);
  color: var(--text);
  border: var(--border-w) solid var(--border);
  padding: var(--s3) var(--s5);
  border-radius: var(--radius-pill);
  font: inherit;
  font-size: var(--t-base);
  font-weight: 700;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  min-height: 48px;
  box-shadow: var(--clay-sm);
  transition: transform .2s var(--bounce), box-shadow .2s, background .18s;
}
button:hover, .button:hover {
  transform: translateY(-2px);
  box-shadow: var(--clay-lift);
  text-decoration: none;
  color: var(--text);
}
/* Press sinks the surface inward — the clay equivalent of a click. */
button:active, .button:active { transform: translateY(1px); box-shadow: var(--clay-press); }

button.primary, .button.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  width: 100%;
  padding: var(--s4) var(--s5);
  min-height: 52px;
  font-weight: 800;
}
button.primary:hover, .button.primary:hover { color: var(--accent-ink); filter: brightness(1.06); }
button.ghost { background: transparent; box-shadow: none; }
button.ghost:hover { background: var(--bg-raised); box-shadow: var(--clay-sm); }
button.danger { color: var(--bad); border-color: var(--bad-border); }
button.danger:hover { background: var(--bad-bg); }
button.small, .button.small { padding: var(--s2) var(--s4); font-size: var(--t-sm); min-height: 40px; }
button:disabled, .button:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.row { display: flex; gap: var(--s3); align-items: flex-end; flex-wrap: wrap; }
.row > label { flex: 1 1 150px; margin-bottom: 0; }
form.inline { display: inline-block; }

details { margin-bottom: var(--s4); }
summary { cursor: pointer; color: var(--text-dim); font-size: var(--t-md); font-weight: 600; padding: var(--s2) 0; }
summary:hover { color: var(--text); }

/* ---------- notices & pills ---------- */

.notice {
  padding: var(--s4) var(--s5);
  border-radius: var(--radius-sm);
  margin-bottom: var(--s4);
  font-size: var(--t-md);
  background: var(--bg-raised);
  border: var(--border-w) solid var(--border);
  box-shadow: var(--clay-sm);
}
.notice.ok { background: var(--good-bg); border-color: var(--good-border); color: var(--good); }
.notice.err { background: var(--bad-bg); border-color: var(--bad-border); color: var(--bad); }
.notice strong { font-weight: 800; }

.pill {
  display: inline-block;
  padding: var(--s1) var(--s3);
  border-radius: var(--radius-pill);
  font-size: var(--t-xs);
  font-weight: 700;
  border: 2px solid var(--border);
  background: var(--bg-raised);
  white-space: nowrap;
}
.pill.good { color: var(--good); border-color: var(--good-border); background: var(--good-bg); }
.pill.warn { color: var(--warn); border-color: var(--warn-border); background: var(--warn-bg); }
.pill.bad { color: var(--bad); border-color: var(--bad-border); background: var(--bad-bg); }

.mult {
  display: inline-block;
  margin-left: var(--s2);
  padding: var(--s1) var(--s2);
  border: 2px solid var(--accent-3);
  color: var(--accent-3);
  background: var(--panel);
  border-radius: var(--radius-pill);
  font-size: var(--t-xs);
  font-weight: 800;
  font-family: var(--mono);
  vertical-align: 1px;
}

/* ---------- code ---------- */

pre {
  background: var(--bg-raised);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--s4);
  overflow-x: auto;
  margin: 0;
  font-size: var(--t-sm);
  line-height: 1.65;
  box-shadow: var(--clay-press);
  -webkit-overflow-scrolling: touch;
}
pre code { font-size: inherit; }

.keybox {
  background: var(--accent-soft);
  border: var(--border-w) solid var(--accent);
  border-radius: var(--radius-sm);
  padding: var(--s4);
  margin: var(--s3) 0;
  word-break: break-all;
  font-family: var(--mono);
  font-size: var(--t-md);
  font-weight: 600;
}

/* ---------- storefront ---------- */

.preset-head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s3); flex-wrap: wrap; margin-bottom: var(--s4); }
.presets { display: grid; grid-template-columns: repeat(auto-fit, minmax(155px, 1fr)); gap: var(--s3); margin-bottom: var(--s5); }
.preset { margin: 0; cursor: pointer; position: relative; }
.preset input { position: absolute; opacity: 0; pointer-events: none; }
.preset-body {
  display: block;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  padding: var(--s5) var(--s4) var(--s4);
  background: var(--panel);
  box-shadow: var(--clay-sm);
  transition: transform .22s var(--bounce), box-shadow .22s, border-color .18s;
  min-height: 104px;
}
.preset:hover .preset-body { transform: translateY(-3px); box-shadow: var(--clay-lift); }
.preset input:checked + .preset-body {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: var(--clay);
  transform: scale(1.02);
  animation: popIn .3s var(--bounce);
}
.preset.popular .preset-body { position: relative; }
.preset.popular .preset-body::after {
  content: '';
  position: absolute; inset: -2px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent-2), transparent 60%);
  opacity: 0.08;
  pointer-events: none;
}
.preset-tokens { display: block; color: var(--text-dim); font-size: var(--t-sm); margin-bottom: var(--s2); font-weight: 600; }
.preset-price { display: block; font-size: var(--t-xl); font-weight: 800; letter-spacing: -0.03em; }
.badge {
  display: inline-block;
  background: var(--accent-2);
  color: #3B2600;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: var(--s1) var(--s2);
  border-radius: var(--radius-pill);
  margin-bottom: var(--s2);
  border: 2px solid rgba(0,0,0,.08);
}

.capgroup {
  background: var(--panel);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  padding: var(--s5);
  margin-bottom: var(--s3);
  box-shadow: var(--clay);
}
.caphead { display: flex; align-items: baseline; gap: var(--s3); flex-wrap: wrap; margin-bottom: var(--s2); }
.caphead strong { font-size: var(--t-base); font-weight: 800; }
.capgroup td { padding: var(--s3) 0; vertical-align: top; }
.capgroup tr:last-child td { border-bottom: 0; }

.steps { counter-reset: s; }
.step { display: flex; gap: var(--s4); padding: var(--s4) 0; border-bottom: 2px solid var(--border); }
.step:last-child { border-bottom: 0; }
.step::before {
  counter-increment: s;
  content: counter(s);
  flex: 0 0 38px; height: 38px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: var(--border-w) solid var(--accent);
  display: grid; place-items: center;
  font-size: var(--t-base); font-weight: 800;
  color: var(--accent);
  box-shadow: var(--clay-sm);
}
.step-body { flex: 1; min-width: 0; }
.step-body strong { display: block; margin-bottom: var(--s1); font-weight: 700; }

.feat { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: var(--s4); margin-bottom: var(--s4); }
.feat > div {
  background: var(--panel);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  padding: var(--s5);
  box-shadow: var(--clay);
  transition: transform .22s var(--bounce), box-shadow .22s;
}
.feat > div:hover { transform: translateY(-3px); box-shadow: var(--clay-lift); }
.feat strong { display: block; margin-bottom: var(--s2); font-size: var(--t-base); font-weight: 700; }
.feat p { margin: 0; color: var(--text-dim); font-size: var(--t-sm); }

.amount { font-size: var(--t-2xl); font-weight: 800; margin-top: var(--s4); letter-spacing: -0.03em; font-family: var(--mono); color: var(--accent); }
.empty { color: var(--muted); text-align: center; padding: var(--s6); font-size: var(--t-md); }

/* ---------- filter chips ---------- */

.chips { display: flex; gap: var(--s2); flex-wrap: wrap; margin-top: var(--s4); }
.chip {
  padding: var(--s2) var(--s4);
  font-size: var(--t-sm);
  font-weight: 700;
  border-radius: var(--radius-pill);
  min-height: 40px;
  width: auto;
  background: var(--panel);
  border: 2px solid var(--border);
  box-shadow: var(--clay-sm);
}
.chip.on {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.chip.on:hover { color: var(--accent-ink); }

/* ---------- mobile ---------- */

@media (max-width: 720px) {
  :root { --radius: 18px; --radius-sm: 12px; --border-w: 2px; }
  main { padding: var(--s5) var(--s4) var(--s7); }
  header .inner { padding: var(--s3) var(--s4); gap: var(--s2); }

  /* Hamburger menu: nav collapses into a slide-down panel */
  .nav-toggle { display: inline-flex; }
  header nav {
    position: fixed;
    top: 56px; left: 0; right: 0;
    background: var(--panel);
    border-bottom: var(--border-w) solid var(--border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--s3) var(--s4) var(--s5);
    box-shadow: var(--clay);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform .3s var(--bounce), opacity .25s;
    z-index: 19;
    max-height: calc(100vh - 56px);
    overflow-y: auto;
  }
  body.nav-open header nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  body.nav-open { overflow: hidden; }
  header nav a {
    padding: var(--s3) var(--s4);
    font-size: var(--t-base);
    border-radius: var(--radius-sm);
    border-bottom: 2px solid var(--border);
  }
  header nav a:last-of-type { border-bottom: 0; }
  header nav .theme-toggle { margin-top: var(--s3); align-self: flex-start; }
  header .who { display: none; }
  .live { display: none; }

  .hero { padding: var(--s5) 0 var(--s2); }
  .hero h1 { font-size: var(--t-2xl); }
  .hero p { font-size: var(--t-base); }
  .hero-center { padding: var(--s5) 0 var(--s4); }
  .hero-center .cta { flex-direction: column; width: 100%; }
  .hero-center .cta > * { flex: 1 1 100%; text-align: center; width: 100%; }
  .hero-center .cta .button[style*="width:auto"] { width: 100% !important; }
  .hero-badge { font-size: var(--t-xs); margin-bottom: var(--s4); animation: popIn .5s var(--bounce) .1s both; }
  .terminal-bar { gap: var(--s2); padding: var(--s2) var(--s3); }
  .terminal-bar .dots { display: none; }
  .terminal .tab { padding: var(--s1) var(--s2); font-size: var(--t-xs); }
  .terminal-body { padding: var(--s4) var(--s3); font-size: var(--t-xs); }
  h1 { font-size: var(--t-xl); }
  .scroller { margin: 0 calc(var(--s4) * -1); padding: 0 var(--s4); }
  .panel, .capgroup { padding: var(--s4); }
  footer .inner { flex-direction: column; align-items: flex-start; gap: var(--s3); }
  footer nav { margin-left: 0; }

  /* Stacked rows: a phone cannot show six columns without either shrinking
     text below legibility or scrolling sideways forever. */
  table.stack thead { display: none; }
  table.stack tr {
    display: block;
    border: var(--border-w) solid var(--border);
    border-radius: var(--radius-sm);
    padding: var(--s3);
    margin-bottom: var(--s3);
    background: var(--bg-raised);
    box-shadow: var(--clay-sm);
  }
  table.stack tr:last-child { margin-bottom: 0; }
  table.stack td {
    display: flex; justify-content: space-between; gap: var(--s4);
    padding: var(--s2) 0; border: 0; text-align: right;
  }
  table.stack td::before {
    content: attr(data-label);
    color: var(--muted); font-size: var(--t-xs); font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.06em;
    text-align: left; flex: 0 0 auto;
  }
  table.stack td:first-child { font-weight: 700; }

  /* nowrap keeps figures on one line on a desktop, but on a 360px screen it is
     what pushes a three-column table past the viewport. Let it wrap here. */
  td[style*="nowrap"], th[style*="nowrap"] { white-space: normal !important; }

  .row > label { flex: 1 1 100%; }
  .row > button { width: 100%; }
}

@media (max-width: 400px) {
  .presets { grid-template-columns: 1fr 1fr; }
  .preset-body { padding: var(--s4) var(--s3); min-height: 96px; }
  .preset-price { font-size: var(--t-lg); }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .card:hover, .feat > div:hover, .preset:hover .preset-body,
  button:hover, .button:hover { transform: none; }
}