/* ---------------------------------------------------------------------------
 * handy — landing page styles
 *
 * Mirrors the app's editorial token system (App.css) so the marketing site
 * and the running app feel like the same product. Single violet accent,
 * hairline borders, warm-tinted neutrals, Inter for the type.
 *
 * Theme switching: <html data-theme="light|dark"> set by script.js from
 * localStorage. Falls through to prefers-color-scheme when no explicit
 * preference is stored.
 * ------------------------------------------------------------------------- */

/* ── Tokens ────────────────────────────────────────────────────────────── */

:root {
  /* Type stack matches the app */
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, "Liberation Mono", monospace;

  /* Light palette (default) */
  --color-text: #18181b;
  --color-text-muted: #52525b;
  --color-text-faint: #71717a;
  --color-bg: #fafaf9;
  --color-bg-elevated: #ffffff;
  --color-bg-ui: #f4f4f5;
  --color-border: #e4e4e7;
  --color-border-strong: #d4d4d8;

  --color-accent: #7c3aed;
  --color-accent-hover: #6d28d9;
  --color-accent-fg: #ffffff;
  --color-accent-soft: #ede9fe;
  --color-accent-ring: rgba(124, 58, 237, 0.18);

  --color-success: #16a34a;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 2px rgba(15, 15, 20, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 15, 20, 0.06);
  --shadow-lg: 0 24px 64px rgba(15, 15, 20, 0.08);

  --container-max: 1180px;
  --gap-sm: 12px;
  --gap-md: 20px;
  --gap-lg: 32px;
  --gap-xl: 56px;
  --gap-xxl: 96px;

  color: var(--color-text);
  background-color: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

[data-theme="dark"] {
  --color-text: #fafafa;
  --color-text-muted: #a1a1aa;
  --color-text-faint: #71717a;
  --color-bg: #0a0a0a;
  --color-bg-elevated: #18181b;
  --color-bg-ui: #27272a;
  --color-border: #27272a;
  --color-border-strong: #3f3f46;

  --color-accent: #a78bfa;
  --color-accent-hover: #c4b5fd;
  --color-accent-fg: #0a0a0a;
  --color-accent-soft: #2e1065;
  --color-accent-ring: rgba(167, 139, 250, 0.22);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.6);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-text: #fafafa;
    --color-text-muted: #a1a1aa;
    --color-text-faint: #71717a;
    --color-bg: #0a0a0a;
    --color-bg-elevated: #18181b;
    --color-bg-ui: #27272a;
    --color-border: #27272a;
    --color-border-strong: #3f3f46;
    --color-accent: #a78bfa;
    --color-accent-hover: #c4b5fd;
    --color-accent-fg: #0a0a0a;
    --color-accent-soft: #2e1065;
    --color-accent-ring: rgba(167, 139, 250, 0.22);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.6);
  }
}

/* ── Reset-ish basics ──────────────────────────────────────────────────── */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--color-accent-hover);
}

code,
kbd,
pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

code {
  background: var(--color-bg-ui);
  border: 1px solid var(--color-border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--color-text);
}

kbd {
  background: var(--color-bg-ui);
  border: 1px solid var(--color-border-strong);
  border-bottom-width: 2px;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.85em;
  color: var(--color-text);
}

/* Focus ring — single rule, applied everywhere */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-accent);
  color: var(--color-accent-fg);
  padding: 8px 12px;
  border-radius: 0 0 6px 0;
  z-index: 100;
}
.skip-link:focus {
  left: 0;
}

/* ── Layout helpers ────────────────────────────────────────────────────── */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 0 16px;
  color: var(--color-text);
}

.section-sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0;
}

/* ── Nav ──────────────────────────────────────────────────────────────── */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg), transparent 12%);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand:hover {
  color: var(--color-text);
}

.brand-mark {
  width: 28px;
  height: 28px;
  color: white;
}

.brand-mark-fill {
  fill: var(--color-accent);
}

.brand-wordmark {
  font-size: 17px;
  letter-spacing: -0.02em;
}

.brand-small .brand-mark {
  width: 22px;
  height: 22px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  padding: 7px 12px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.theme-toggle:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

/* ── Buttons ──────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 9px 16px;
  font: inherit;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease,
    transform 0.05s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-fg);
  border-color: var(--color-accent);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.15) inset, var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-accent-fg);
}

.btn-secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn-lg {
  padding: 12px 20px;
  font-size: 15px;
}

/* ── Hero ─────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  padding: 88px 24px 72px;
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 64px;
  align-items: center;
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 64px 24px 48px;
    gap: 48px;
  }
}

.hero::before {
  content: "";
  position: absolute;
  inset: -80px 0 auto 0;
  height: 360px;
  background: radial-gradient(
    ellipse at 30% 0%,
    var(--color-accent-soft) 0%,
    transparent 65%
  );
  opacity: 0.7;
  pointer-events: none;
  z-index: -1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: -0.005em;
}

[data-theme="dark"] .eyebrow {
  background: rgba(167, 139, 250, 0.12);
  color: var(--color-accent);
}

.hero-title {
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 600;
  margin: 18px 0 16px;
  color: var(--color-text);
}

.accent {
  color: var(--color-accent);
}

.hero-sub {
  font-size: 18px;
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 540px;
  margin: 0 0 28px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  border-radius: 999px;
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: -0.005em;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.18);
}

/* Hero demo card */

.hero-demo {
  position: relative;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo-card {
  width: 100%;
  max-width: 480px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.demo-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.demo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border-strong);
}
.demo-dot-red {
  background: #f87171;
}
.demo-dot-amber {
  background: #fbbf24;
}
.demo-dot-green {
  background: #34d399;
}

.demo-title {
  margin-left: 8px;
  font-size: 12px;
  color: var(--color-text-faint);
  letter-spacing: -0.005em;
}

.demo-card-body {
  padding: 20px 22px;
}

.demo-code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--color-text);
  white-space: pre-wrap;
  word-break: break-word;
}

.demo-comment {
  color: var(--color-text-faint);
}
.demo-fn {
  color: var(--color-accent);
}

.demo-widget {
  position: absolute;
  bottom: -16px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text);
  box-shadow: var(--shadow-md);
}

.demo-widget-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  position: relative;
}
.demo-widget-pulse::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  opacity: 0.45;
  animation: pulse 1.8s ease-out infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.8);
    opacity: 0.45;
  }
  80% {
    transform: scale(1.7);
    opacity: 0;
  }
  100% {
    transform: scale(1.7);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .demo-widget-pulse::after {
    animation: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ── Pillars ──────────────────────────────────────────────────────────── */

.pillars {
  padding: 56px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-top: 16px;
}

@media (max-width: 800px) {
  .pillar-grid {
    grid-template-columns: 1fr;
  }
}

.pillar {
  padding: 8px 0;
}

.pillar-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-accent);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.pillar-title {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 10px;
  letter-spacing: -0.015em;
}

.pillar-body {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ── Features ─────────────────────────────────────────────────────────── */

.features {
  padding: var(--gap-xxl) 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

@media (max-width: 960px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--color-bg-elevated);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.15s ease;
}

.feature-card:hover {
  background: var(--color-bg);
}

.feature-card-accent {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-accent-soft), transparent 30%),
    var(--color-bg-elevated)
  );
}

[data-theme="dark"] .feature-card-accent {
  background: linear-gradient(
    180deg,
    rgba(167, 139, 250, 0.06),
    var(--color-bg-elevated)
  );
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-ui);
  color: var(--color-accent);
}

.feature-title {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.feature-body {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--color-text-muted);
}

.feature-body code {
  font-size: 12px;
}

/* ── Privacy banner ───────────────────────────────────────────────────── */

.privacy {
  padding: var(--gap-xl) 0 var(--gap-xxl);
}

.privacy-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
  padding: 48px;
}

@media (max-width: 880px) {
  .privacy-card {
    grid-template-columns: 1fr;
    padding: 32px;
    gap: 32px;
  }
}

.privacy-title {
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

.privacy-body {
  color: var(--color-text-muted);
  margin: 0 0 18px;
}

.privacy-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.privacy-list li {
  position: relative;
  padding-left: 18px;
  color: var(--color-text-muted);
  font-size: 14px;
}

.privacy-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.privacy-list strong {
  color: var(--color-text);
  font-weight: 600;
}

.privacy-snippet {
  margin: 0;
  padding: 22px 20px;
  background: #0a0a0a;
  color: #e4e4e7;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  overflow-x: auto;
  border: 1px solid var(--color-border-strong);
}

[data-theme="dark"] .privacy-snippet {
  background: #000;
  border-color: var(--color-border);
}

.snippet-comment {
  color: #71717a;
}
.snippet-keyword {
  color: #c4b5fd;
}
.snippet-fn {
  color: #93c5fd;
}
.snippet-type {
  color: #fcd34d;
}
.snippet-str {
  color: #86efac;
}

/* ── Download ─────────────────────────────────────────────────────────── */

.download {
  padding: var(--gap-xxl) 0;
  border-top: 1px solid var(--color-border);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 8px;
}

@media (max-width: 920px) {
  .download-grid {
    grid-template-columns: 1fr;
  }
}

.download-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.download-card:hover {
  border-color: var(--color-border-strong);
}

.download-card[data-os-active="true"] {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-ring);
}

.download-card-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.os-mark {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-bg-ui);
  color: var(--color-text);
}

.download-card-title {
  font-size: 17px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.015em;
}

.download-card-meta {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--color-text-faint);
}

.download-files {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.download-files li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
}

.download-files li a {
  color: var(--color-text);
  word-break: break-all;
}

.download-files li:hover {
  border-color: var(--color-accent);
}

.download-files li:hover a {
  color: var(--color-accent);
}

.file-tag {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  flex-shrink: 0;
}

[data-theme="dark"] .file-tag {
  background: rgba(167, 139, 250, 0.14);
}

.download-note {
  margin: auto 0 0;
  padding-top: 8px;
  border-top: 1px dashed var(--color-border);
  font-size: 12px;
  color: var(--color-text-faint);
}

.download-foot {
  text-align: center;
  margin: 40px 0 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ── FAQ ──────────────────────────────────────────────────────────────── */

.faq {
  padding: var(--gap-xxl) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
  overflow: hidden;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-q {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 500;
  font-size: 15px;
  color: var(--color-text);
}

.faq-q::-webkit-details-marker {
  display: none;
}

.faq-q::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--color-text-faint);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-q::after {
  content: "−";
  color: var(--color-accent);
}

.faq-item:hover .faq-q {
  color: var(--color-accent);
}

.faq-a {
  padding: 0 24px 22px;
  color: var(--color-text-muted);
  font-size: 14.5px;
  line-height: 1.6;
}

.faq-a p {
  margin: 0;
}

.faq-a a {
  color: var(--color-accent);
}

/* ── CTA strip ────────────────────────────────────────────────────────── */

.cta-strip {
  padding: var(--gap-xxl) 0;
  border-top: 1px solid var(--color-border);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 40px 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-accent-soft), transparent 25%),
    var(--color-bg-elevated)
  );
}

[data-theme="dark"] .cta-inner {
  background: linear-gradient(
    180deg,
    rgba(167, 139, 250, 0.1),
    var(--color-bg-elevated)
  );
}

@media (max-width: 720px) {
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 28px;
    gap: 20px;
  }
}

.cta-title {
  margin: 0;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.cta-body {
  margin: 6px 0 0;
  color: var(--color-text-muted);
  font-size: 15px;
}

/* ── Footer ───────────────────────────────────────────────────────────── */

.site-footer {
  padding: 64px 0 24px;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  align-items: flex-start;
}

@media (max-width: 720px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

.footer-tag {
  margin: 14px 0 0;
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.55;
  max-width: 320px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-h {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  font-weight: 600;
}

.footer-col a {
  color: var(--color-text-muted);
  font-size: 14px;
}

.footer-col a:hover {
  color: var(--color-text);
}

.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 13px;
  color: var(--color-text-faint);
}

/* ── OS icon coloring ─────────────────────────────────────────────────── */

[data-theme="dark"] .os-windows {
  color: #4ec6f0;
}
.os-windows {
  color: #00a4ef;
}
.os-mac {
  color: var(--color-text);
}
.os-linux {
  color: #f9a826;
}
