/*
 * FluxBar product site.
 * Follows the OS colour scheme (no toggle): light tokens by default, dark tokens
 * under prefers-color-scheme. FluxBar pink accent. Plain CSS, no build step.
 */

:root {
  color-scheme: light;

  /* Brand: FluxBar pink. The solid fill carries white text (4.75:1). */
  --accent: #df1463;
  --accent-hover: #c81158;
  --accent-ink: #ffffff;
  --accent-text: #c81158;
  --accent-soft: rgba(223, 20, 99, 0.1);
  --accent-softer: rgba(223, 20, 99, 0.05);
  --accent-line: rgba(223, 20, 99, 0.3);
  --accent-glow: rgba(223, 20, 99, 0.07);
  --accent-shadow: rgba(223, 20, 99, 0.25);

  /* Surfaces */
  --bg: #fcfcfc;
  --surface: #ffffff;
  --surface-2: #f6f6f7;
  --code-bg: #f7f7f8;
  --topbar-bg: rgba(252, 252, 252, 0.86);

  /* Text */
  --ink: #17151a;
  --text: #2b2830;
  --muted: #6c6873;

  /* Lines */
  --border: #e3e1e5;
  --border-strong: #cfccd3;

  /* GNOME desktop in the product mocks. The top bar is black in both themes, as in GNOME. */
  --gp-bg: #0b0b0c;
  --gp-text: #f6f7fb;
  --gp-dim: #b9bac1;
  --gp-hover: rgba(255, 255, 255, 0.14);
  --gp-dot: rgba(255, 255, 255, 0.45);
  --wall-a: #f3d6e1;
  --wall-b: #e7e4f0;
  --win-bg: #fafafb;
  --win-row: #ffffff;
  --switch-off: #cfccd3;
  --knob: #ffffff;
  --knob-shadow: rgba(0, 0, 0, 0.2);

  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(23, 21, 26, 0.05);
  --shadow: 0 1px 2px rgba(23, 21, 26, 0.04), 0 8px 24px -12px rgba(23, 21, 26, 0.12);
  --shadow-lg: 0 2px 4px rgba(23, 21, 26, 0.04), 0 24px 48px -20px rgba(23, 21, 26, 0.22);
  --tip-shadow: 0 10px 28px -10px rgba(0, 0, 0, 0.5);

  --font: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --wrap: 1260px;
  --gutter: clamp(16px, 4vw, 40px);
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Neutral charcoal surfaces, matching the house dark theme. */
    color-scheme: dark;

    --accent: #df1463;
    --accent-hover: #c81158;
    --accent-ink: #ffffff;
    --accent-text: #ff6a9f;
    --accent-soft: rgba(255, 79, 145, 0.14);
    --accent-softer: rgba(255, 79, 145, 0.07);
    --accent-line: rgba(255, 79, 145, 0.34);
    --accent-glow: rgba(255, 79, 145, 0.1);
    --accent-shadow: rgba(0, 0, 0, 0.4);

    --bg: #161719;
    --surface: #1e1f22;
    --surface-2: #25262a;
    --code-bg: #1a1b1e;
    --topbar-bg: rgba(22, 23, 25, 0.86);

    --ink: #f3f4f5;
    --text: #d9dbde;
    --muted: #9095a0;

    --border: #3a3c41;
    --border-strong: #55585f;

    --gp-bg: #000000;
    --wall-a: #3a1526;
    --wall-b: #1d1f2a;
    --win-bg: #242528;
    --win-row: #2e2f33;
    --switch-off: #55585f;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 8px 24px -12px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 2px 4px rgba(0, 0, 0, 0.35), 0 24px 48px -20px rgba(0, 0, 0, 0.7);
  }
}

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

html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { color: var(--ink); line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
a { color: var(--accent-text); text-decoration: none; }
a:hover { color: var(--accent-hover); }
code, pre, kbd { font-family: var(--mono); font-variant-ligatures: none; }
:not(pre) > code {
  font-size: 0.86em;
  padding: 0.12em 0.4em;
  border-radius: 5px;
  background: var(--accent-soft);
  color: var(--accent-text);
  word-break: break-word;
}
kbd {
  display: inline-block; padding: 0.05em 0.45em; font-size: 0.82em;
  border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 5px;
  background: var(--surface); color: var(--ink);
}
:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 2px; border-radius: 4px; }
img { max-width: 100%; display: block; }
button { font: inherit; }

/* Sprite icons: <svg class="ic"><use href="assets/icons.svg#i-name" /></svg> */
.ic {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  padding: 8px 12px; border-radius: var(--radius);
  background: var(--accent); color: var(--accent-ink);
}
.skip-link:focus { top: 12px; color: var(--accent-ink); }

/* ---- Top bar ---------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: var(--topbar-bg);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; font-size: 18px; letter-spacing: -0.01em; }
.brand:hover { color: var(--ink); }
.brand img { width: 30px; height: 30px; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 12px; border-radius: var(--radius);
  color: var(--text); font-size: 15px; font-weight: 500;
}
.nav a:hover { background: var(--surface-2); color: var(--ink); }
.nav a[aria-current="page"] { color: var(--accent-text); background: var(--accent-softer); }
.nav .nav-gh { margin-left: 8px; border: 1px solid var(--border); background: var(--surface); }
.nav .nav-gh:hover { border-color: var(--border-strong); }
.nav-toggle {
  display: none; margin-left: auto;
  width: 40px; height: 40px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--surface); color: var(--ink);
  align-items: center; justify-content: center; cursor: pointer;
}
.nav-toggle .ic { width: 20px; height: 20px; }
.nav-toggle .i-close { display: none; }
.topbar.open .nav-toggle .i-menu { display: none; }
.topbar.open .nav-toggle .i-close { display: block; }

/* ---- Buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 18px;
  border-radius: var(--radius); border: 1px solid transparent;
  font: 600 15px/1.2 var(--font); cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 1px 2px var(--accent-shadow); }
.btn-primary:hover { background: var(--accent-hover); color: var(--accent-ink); }
.btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--border); box-shadow: var(--shadow-sm); }
.btn-secondary:hover { border-color: var(--border-strong); color: var(--ink); background: var(--surface-2); }
.btn .ic { width: 17px; height: 17px; }

/* ---- Type helpers ----------------------------------------------------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--accent-text); font-size: 13px; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px 5px 6px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); font-size: 13px; font-weight: 500; box-shadow: var(--shadow-sm);
}
.pill b { padding: 2px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-text); font-weight: 700; font-size: 12px; }
.label { display: block; color: var(--ink); font-size: 14px; font-weight: 600; }

.section { padding: clamp(64px, 9vw, 112px) 0; }
.section + .section { border-top: 1px solid var(--border); }
.section.tint { background: var(--surface); }
.section-head { max-width: 680px; margin-bottom: clamp(32px, 5vw, 52px); }
.section-head h2 { margin-top: 12px; font-size: clamp(28px, 4vw, 40px); }
.section-head h2 code { font-size: 0.8em; }
.section-head p { margin-top: 14px; color: var(--muted); font-size: 18px; }

/* ---- Hero ------------------------------------------------------------- */
.hero { padding: clamp(48px, 8vw, 96px) 0 clamp(56px, 7vw, 80px); position: relative; isolation: isolate; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 50% at 85% 10%, var(--accent-glow), transparent 70%),
    linear-gradient(var(--border) 1px, transparent 1px) 0 0 / 100% 48px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 70%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent 70%);
  opacity: 0.6;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero h1 { margin-top: 20px; font-size: clamp(36px, 5.6vw, 60px); line-height: 1.04; letter-spacing: -0.035em; }
.hero h1 em { font-style: normal; color: var(--accent-text); }
.hero .lede { margin-top: 20px; font-size: clamp(17px, 1.6vw, 19px); color: var(--text); max-width: 540px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.checks { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 28px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 14px; font-weight: 500; }
.checks li { display: inline-flex; align-items: center; gap: 6px; }
.checks .ic { width: 16px; height: 16px; color: var(--accent-text); stroke-width: 2.4; }

/* Highlights strip */
.stats {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1px;
  margin: clamp(40px, 6vw, 64px) 0 0; padding: 0; list-style: none;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--border); box-shadow: var(--shadow-sm); overflow: hidden;
}
.stats li { padding: 18px 20px; background: var(--surface); min-width: 0; }
.stats strong { display: block; color: var(--ink); font: 600 24px/1.2 var(--mono); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stats li:first-child strong { color: var(--accent-text); }
.stat-link { display: block; color: inherit; text-decoration: none; }
.stat-link:hover span { color: var(--accent-text); }
.stats span { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }

/* ---- Product mock: GNOME desktop ------------------------------------- */
.mock {
  position: relative;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); box-shadow: var(--shadow-lg);
  font-size: 13px; color: var(--text);
  min-width: 0;
}
.desk { overflow: visible; }
.desk-body {
  padding: 34px clamp(14px, 4%, 36px) 32px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background:
    radial-gradient(70% 90% at 15% 10%, var(--wall-a), transparent 70%),
    radial-gradient(60% 80% at 90% 100%, var(--accent-soft), transparent 70%),
    var(--wall-b);
  container-type: inline-size;
}

/* GNOME top bar */
.gpanel {
  position: relative;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px;
  height: 34px; padding: 0 6px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--gp-bg); color: var(--gp-text);
  font: 600 12.5px var(--font);
}
.gp-activities { display: inline-flex; align-items: center; gap: 4px; padding: 0 9px; height: 24px; border-radius: 999px; justify-self: start; }
.gp-activities i { width: 6px; height: 6px; border-radius: 999px; background: var(--gp-dot); }
.gp-activities i.on { width: 18px; background: var(--gp-text); }
.gp-clock { color: var(--gp-text); white-space: nowrap; }
.gp-left, .gp-center { display: flex; align-items: center; gap: 2px; min-width: 0; }
.gp-left { justify-self: start; }
.gp-right { display: flex; align-items: center; justify-content: flex-end; gap: 2px; min-width: 0; }
.gp-flux {
  display: inline-flex; align-items: center; height: 26px; padding: 0 10px;
  border: 0; border-radius: 999px; background: transparent;
  color: var(--gp-text); font: 700 12.5px var(--font); white-space: nowrap;
  cursor: pointer; transition: background-color 0.15s ease;
}
.gp-flux:hover, .gp-flux.is-active { background: var(--gp-hover); }
.gp-flux.is-static { cursor: default; }
.gp-flux:focus-visible { outline-color: var(--gp-text); }
.gp-status { display: inline-flex; align-items: center; gap: 7px; height: 26px; padding: 0 10px; border-radius: 999px; color: var(--gp-text); }
.gp-status .ic { width: 14px; height: 14px; stroke-width: 2; }

/* The speed text; direction markers are SVG icons, not characters. */
.readout { display: inline-flex; align-items: center; gap: 0.2em; font-variant-numeric: tabular-nums; white-space: nowrap; }
.readout .ic { width: 1.05em; height: 1.05em; stroke-width: 2.4; }
.readout .ic + .ic { margin-left: 0; }

.gp-tip {
  position: absolute; right: 64px; top: calc(100% + 8px); z-index: 5;
  display: grid; gap: 2px; padding: 9px 12px;
  border-radius: 10px; background: var(--gp-bg); color: var(--gp-dim);
  font: 500 12px/1.45 var(--font); white-space: nowrap;
  box-shadow: var(--tip-shadow);
  opacity: 0; transform: translateY(-4px); pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.gp-tip b { color: var(--gp-text); font-weight: 600; font-variant-numeric: tabular-nums; }
.gp-tip.is-visible { opacity: 1; transform: none; }

/* Preferences window (Adwaita-like) */
.prefs-win {
  max-width: 520px; margin: 0 auto;
  border: 1px solid var(--border); border-radius: 12px;
  background: var(--win-bg); box-shadow: var(--shadow-lg); overflow: hidden;
}
.prefs-head { position: relative; display: flex; align-items: center; justify-content: center; height: 46px; padding: 0 44px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.prefs-tabs { display: flex; gap: 4px; }
.prefs-tabs button {
  display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px;
  border: 0; border-radius: 7px; background: transparent; color: var(--muted);
  font: 600 12.5px var(--font); cursor: pointer;
}
.prefs-tabs button .ic { width: 14px; height: 14px; }
.prefs-tabs button:hover { color: var(--ink); background: var(--accent-softer); }
.prefs-tabs [aria-selected="true"] { background: var(--accent-soft); color: var(--accent-text); }
.prefs-close {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%;
  background: var(--border); color: var(--ink);
}
.prefs-close .ic { width: 12px; height: 12px; stroke-width: 2.4; }
.prefs-page { padding: 14px 16px 18px; min-height: 300px; }
.prefs-page h3 { margin: 4px 2px 8px; font-size: 13px; }
.prefs-page h3 ~ h3 { margin-top: 16px; }
.prefs-sub { margin: -4px 2px 10px; color: var(--muted); font-size: 12px; }
.prefs-group { border: 1px solid var(--border); border-radius: 10px; background: var(--win-row); overflow: hidden; }
.prefs-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 44px; padding: 7px 12px; border-top: 1px solid var(--border); }
.prefs-row:first-child { border-top: 0; }
.prefs-row > span:first-child { color: var(--ink); font-weight: 500; white-space: nowrap; }
.seg-mini { display: inline-flex; flex-wrap: wrap; justify-content: flex-end; gap: 2px; padding: 2px; border-radius: 7px; background: var(--surface-2); min-width: 0; }
.seg-mini b { display: inline-flex; align-items: center; height: 24px; padding: 0 8px; border-radius: 5px; color: var(--text); font-size: 11.5px; font-weight: 500; white-space: nowrap; }
.seg-mini b.on { background: var(--surface); color: var(--ink); font-weight: 700; box-shadow: var(--shadow-sm); }
.switch { position: relative; width: 38px; height: 22px; border-radius: 999px; background: var(--switch-off); flex: 0 0 auto; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: var(--knob); box-shadow: 0 1px 2px var(--knob-shadow); }
.switch.on { background: var(--accent); }
.switch.on::after { transform: translateX(16px); }

.hist-row { display: grid; grid-template-columns: 74px repeat(3, minmax(0, 1fr)); align-items: center; gap: 8px; min-height: 42px; padding: 8px 12px; border-top: 1px solid var(--border); font-size: 11.5px; color: var(--muted); }
.hist-row:first-child { border-top: 0; }
.hist-row b { color: var(--ink); font-size: 12.5px; }
.hist-row span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-variant-numeric: tabular-nums; }
.hist-row.sel { background: var(--accent-softer); box-shadow: inset 2px 0 0 var(--accent); }

@container (max-width: 470px) {
  .prefs-row { flex-wrap: wrap; }
  .hist-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .hist-row b { grid-column: 1 / -1; }
  .hist-row span:last-child { display: none; }
}

/* ---- Command blocks --------------------------------------------------- */
.cmd {
  position: relative;
  display: flex; align-items: flex-start; gap: 10px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--code-bg);
  min-width: 0;
}
.cmd pre {
  flex: 1; min-width: 0; margin: 0;
  padding: 13px 0 13px 14px;
  font-size: 13.5px; line-height: 1.65; color: var(--ink);
}
.cmd pre code { white-space: pre-wrap; overflow-wrap: anywhere; }
.cmd .prompt { color: var(--accent-text); user-select: none; -webkit-user-select: none; }
.copy-btn {
  flex: 0 0 auto; margin: 7px 7px 0 0;
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 10px;
  border-radius: 6px; border: 1px solid var(--border); background: var(--surface);
  color: var(--text); font: 600 12.5px var(--font); cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}
.copy-btn:hover { border-color: var(--border-strong); color: var(--ink); }
.copy-btn .ic { width: 15px; height: 15px; }
.copy-btn .i-check { display: none; }
.copy-btn.done { color: var(--accent-text); border-color: var(--accent-line); background: var(--accent-softer); }
.copy-btn.done .i-copy { display: none; }
.copy-btn.done .i-check { display: block; stroke-width: 2.4; }

/* ---- Steps ------------------------------------------------------------ */
.steps { display: grid; gap: 16px; counter-reset: step; }
.step {
  display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 4px 18px;
  padding: 22px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow-sm);
}
.step::before {
  counter-increment: step; content: counter(step);
  grid-row: span 3;
  width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent-text); font-weight: 700;
}
.step h3 { font-size: 18px; }
.step p { color: var(--muted); margin-top: 4px; }
.step .cmd { margin-top: 14px; }
.steps.options .step { grid-template-columns: minmax(0, 1fr); }
.steps.options .step::before { display: none; }
.step h3 .tag {
  display: inline-block; margin-left: 8px; padding: 2px 9px; border-radius: 999px; vertical-align: 2px;
  background: var(--accent-soft); color: var(--accent-text); font-size: 12px; font-weight: 600;
}
.step-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-top: 14px; }
.step-note { color: var(--muted); font-size: 14px; }
.step-note b { color: var(--ink); font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---- Policy page ------------------------------------------------------ */
.page-hero { padding: clamp(48px, 7vw, 80px) 0 clamp(28px, 4vw, 40px); border-bottom: 1px solid var(--border); background: var(--surface); }
.page-hero h1 { margin-top: 12px; font-size: clamp(32px, 5vw, 48px); letter-spacing: -0.03em; }
.page-hero p { margin-top: 12px; color: var(--muted); font-size: 18px; max-width: 640px; }
.page-hero .updated { font-size: 14px; }
.page-body { padding: clamp(32px, 5vw, 56px) 0 clamp(64px, 8vw, 96px); }
.narrow { max-width: 820px; }
.prose-card { padding: 24px 26px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-sm); }
.prose-card + .prose-card { margin-top: 16px; }
.prose-card h2 { display: flex; align-items: center; gap: 10px; font-size: 20px; }
.prose-card h2 .ic { color: var(--accent-text); width: 20px; height: 20px; }
.prose-card p, .prose-card li { color: var(--text); }
.prose-card p { margin-top: 10px; }
.prose-card ul { margin: 10px 0 0; padding-left: 20px; }
.prose-card li + li { margin-top: 6px; }
.prose-card .cmd { margin-top: 12px; }
.prose-card.callout { border-color: var(--accent-line); background: linear-gradient(var(--accent-softer), var(--accent-softer)), var(--surface); }

/* ---- Features --------------------------------------------------------- */
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card {
  padding: 24px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-width: 0;
}
.section.tint .card { background: var(--bg); }
.card:hover { border-color: var(--border-strong); box-shadow: var(--shadow); }
.card .icon {
  width: 38px; height: 38px; border-radius: var(--radius);
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent-text);
}
.card .icon .ic { width: 20px; height: 20px; }
.card h3 { margin-top: 16px; font-size: 17px; letter-spacing: -0.01em; }
.card p { margin-top: 8px; color: var(--muted); font-size: 15px; }

/* ---- Interactive preview ---------------------------------------------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 64px); align-items: center; }
.split .section-head { margin-bottom: 28px; }
.controls { display: grid; gap: 18px; padding: 22px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-sm); }
.control { display: grid; gap: 8px; min-width: 0; }
.control-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; }
.seg { display: flex; flex-wrap: wrap; gap: 4px; padding: 4px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-2); }
.seg button {
  flex: 1 1 auto; min-height: 36px; padding: 6px 12px;
  border: 1px solid transparent; border-radius: 6px; background: transparent;
  color: var(--text); font: 500 14px var(--font); cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.seg button:hover { color: var(--ink); background: var(--surface); }
.seg button[aria-checked="true"] { background: var(--accent); color: var(--accent-ink); font-weight: 600; box-shadow: 0 1px 2px var(--accent-shadow); }
.color-field { display: grid; gap: 8px; }
.color-input { display: inline-flex; align-items: center; gap: 10px; height: 40px; padding: 0 10px 0 4px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.color-input input { width: 34px; height: 30px; padding: 0; border: 0; border-radius: 6px; background: transparent; cursor: pointer; }
.color-input code { padding: 0; background: none; color: var(--text); font-size: 13px; }
.toggle { display: inline-flex; align-items: center; gap: 10px; min-height: 40px; color: var(--text); font-size: 14px; font-weight: 500; cursor: pointer; user-select: none; }
.toggle input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.toggle .track { position: relative; width: 36px; height: 20px; border-radius: 999px; background: var(--switch-off); transition: background-color 0.15s ease; }
.toggle .track::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: var(--knob); box-shadow: 0 1px 2px var(--knob-shadow); transition: transform 0.15s ease; }
.toggle input:checked + .track { background: var(--accent); }
.toggle input:checked + .track::after { transform: translateX(16px); }
.toggle input:focus-visible + .track { outline: 2px solid var(--accent-text); outline-offset: 2px; }

.preview { display: grid; gap: 14px; min-width: 0; }
.preview-card { border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow); overflow: hidden; }
.gpanel-static { border-radius: 0; }
.preview-tip {
  display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px 18px;
  padding: 14px 16px; border-top: 1px solid var(--border);
  background: var(--surface-2); color: var(--muted); font-size: 13.5px;
}
.preview-tip b { margin-left: 4px; color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.tile { padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); min-width: 0; }
.tile small { display: block; color: var(--muted); font-size: 12px; }
.tile strong { display: block; margin-top: 2px; color: var(--ink); font-size: 18px; line-height: 1.25; letter-spacing: -0.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.local-card { padding: 18px 20px; border: 1px solid var(--accent-line); border-radius: var(--radius-lg); background: linear-gradient(var(--accent-softer), var(--accent-softer)), var(--surface); }
.local-card h3 { display: flex; align-items: center; gap: 10px; font-size: 16px; }
.local-card h3 .ic { color: var(--accent-text); }
.local-card p { margin-top: 6px; color: var(--muted); font-size: 15px; }
.local-list { display: grid; gap: 6px; margin: 12px 0 0; padding: 0; list-style: none; }
.local-list li { display: grid; grid-template-columns: 84px repeat(2, minmax(0, 1fr)); gap: 10px; padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--muted); font-size: 13.5px; }
.local-list b { color: var(--ink); }
.local-list span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-variant-numeric: tabular-nums; }
.local-card .path-chip { display: inline-block; margin-top: 12px; font-size: 12.5px; }

/* ---- CTA -------------------------------------------------------------- */
.cta {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px;
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid var(--accent-line); border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-softer) 70%), var(--surface);
}
.cta h2 { font-size: clamp(24px, 3vw, 32px); }
.cta p { margin-top: 8px; color: var(--muted); }
.cta .actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---- Footer ----------------------------------------------------------- */
.footer { border-top: 1px solid var(--border); background: var(--surface); padding: 40px 0; }
.footer .wrap { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 24px; }
.footer .brand { font-size: 16px; }
.footer .brand img { width: 26px; height: 26px; }
.footer p { margin-top: 8px; color: var(--muted); font-size: 14px; max-width: 360px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 14px; }
.footer-links a { display: inline-flex; align-items: center; gap: 7px; color: var(--text); }
.footer-links a:hover { color: var(--accent-text); }
.footer-links .ic { width: 15px; height: 15px; color: var(--muted); }

.hidden, [hidden] { display: none !important; }

/* ---- 404 -------------------------------------------------------------- */
.notfound { min-height: calc(100vh - 64px - 140px); display: grid; place-items: center; text-align: center; padding: 64px 0; }
.notfound .code404 { font: 700 clamp(72px, 14vw, 128px)/1 var(--mono); color: var(--accent-text); letter-spacing: -0.04em; }
.notfound h1 { margin-top: 12px; font-size: clamp(24px, 4vw, 32px); }
.notfound p { margin-top: 10px; color: var(--muted); }
.notfound .actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 24px; }

/* ---- Scroll reveal ---------------------------------------------------- */
.js [data-reveal] { opacity: 0; transform: translateY(10px); transition: opacity 0.5s ease, transform 0.5s ease; transition-delay: var(--d, 0s); }
.js [data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal] { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ---- Responsive ------------------------------------------------------- */
@media (max-width: 1020px) {
  .hero-grid, .split { grid-template-columns: minmax(0, 1fr); }
  .hero .lede { max-width: 640px; }
  .features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute; top: 64px; left: 0; right: 0;
    display: none; flex-direction: column; align-items: stretch; gap: 2px;
    padding: 10px var(--gutter) 16px;
    background: var(--surface); border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
  }
  .topbar.open .nav { display: flex; }
  .nav a { padding: 11px 12px; }
  .nav .nav-gh { margin: 6px 0 0; justify-content: center; }
  .gp-clock { display: none; }
  .gpanel { grid-template-columns: auto 1fr; }
  .gp-tip { right: 8px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats li:first-child { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .prose-card { padding: 20px 18px; }
  .features { grid-template-columns: minmax(0, 1fr); }
  .hero .actions .btn, .cta .actions .btn { flex: 1 1 auto; }
  .step { grid-template-columns: minmax(0, 1fr); padding: 18px; }
  .step::before { grid-row: auto; }
  .desk-body { padding: 18px 10px 20px; }
  .gp-status .ic:nth-child(2), .gp-status .ic:nth-child(4) { display: none; }
  .gp-status { padding: 0 6px; }
  .gp-flux { padding: 0 8px; font-size: 12px; }
  .cmd pre { font-size: 12.5px; }
  .copy-btn span { display: none; }
  .copy-btn { padding: 0 8px; }
  .tiles { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr); gap: 8px; }
  .tile { padding: 10px; }
  .tile strong { font-size: 15px; }
  .local-list li { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .local-list b { grid-column: 1 / -1; }
  .controls { padding: 16px; }
}