/* ============================================================
   Boozle — shared design system
   ============================================================ */

/* === Custom Properties ===================================== */
:root {
  --color-bg:         #0e0e10;
  --color-surface:    #18181c;
  --color-surface-2:  #1e1e24;
  --color-border:     #2a2a30;
  --color-text:       #f8fafc;
  --color-text-muted: #b0bec8;
  --color-text-dim:   #64748b;

  --grad-1: #ff61d8;
  --grad-2: #b967ff;
  --grad-3: #7c3aed;
  --grad-4: #c084fc;
  --grad-5: #2ee59d;
  --grad-6: #f9e900;
  --grad-7: #ff9f1c;
  --grad-8: #ff4d6d;

  --rainbow: linear-gradient(90deg,
    var(--grad-1), var(--grad-2), var(--grad-3), var(--grad-4),
    var(--grad-5), var(--grad-6), var(--grad-7), var(--grad-8));

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'Fira Code', 'Cascadia Code', 'Menlo', 'Consolas', monospace;

  --container-max: 1120px;
  --container-px: clamp(1.25rem, 5vw, 2rem);

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 150ms;
  --dur-med:  300ms;

  --header-h: 68px;
}

/* === Reset ================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }

a { color: var(--grad-4); text-decoration: none; transition: opacity var(--dur-fast); }
a:hover { opacity: 0.8; }

ul, ol { list-style: none; }

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.4em;
  color: var(--grad-4);
}

pre { font-family: var(--font-mono); }

section[id] { scroll-margin-top: var(--header-h); }

/* === Layout ================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grad-4);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.625rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.section-lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 54ch;
  margin-bottom: 3rem;
}

.section-lead--center { text-align: center; margin-inline: auto; }
.section-title--center { text-align: center; }

/* === Utilities ============================================= */
.gradient-text {
  background: var(--rainbow);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: rainbow-scroll 5s linear infinite;
}

.rainbow-rule {
  height: 3px;
  background: var(--rainbow);
  background-size: 200% 100%;
  animation: rainbow-scroll 4s linear infinite;
}

@keyframes rainbow-scroll {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* === Buttons =============================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  white-space: nowrap;
  text-decoration: none;
  transition:
    opacity var(--dur-fast),
    box-shadow var(--dur-fast),
    transform var(--dur-fast);
}
.btn:hover { opacity: 0.9; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--rainbow);
  background-size: 200% 100%;
  color: #0a0a0c;
  animation: rainbow-scroll 4s linear infinite;
  box-shadow: 0 0 0 0 transparent;
}
.btn--primary:hover {
  box-shadow: 0 4px 28px color-mix(in srgb, var(--grad-3) 45%, transparent);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover { background: var(--color-surface); border-color: var(--grad-3); }

.btn--github {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.4);
}
.btn--github:hover {
  background: var(--rainbow);
  background-size: 200% 100%;
  color: #0a0a0c;
  border-color: transparent;
  animation: rainbow-scroll 4s linear infinite;
  box-shadow: 0 4px 28px color-mix(in srgb, var(--grad-3) 45%, transparent);
}

.btn--lg { font-size: 1rem;     padding: 0.8125em 1.875em; }
.btn--md { font-size: 0.9375rem; padding: 0.625em 1.375em; }
.btn--sm { font-size: 0.8125rem; padding: 0.4em 0.875em; }

/* === Header ================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo img { height: 36px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 0.4em 0.75em;
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast), background var(--dur-fast);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--color-text); background: var(--color-surface); }

.nav-links .btn { margin-left: 0.5rem; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: 0.25rem;
}

@media (max-width: 680px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem var(--container-px);
    gap: 0.25rem;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 0.6em 0.75em; }
  .nav-links .btn { margin-left: 0; }
}

/* === Badges ================================================ */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2em 0.75em;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-surface);
}

/* === Terminal ============================================== */
.terminal {
  background: #0d1117;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.04),
    0 24px 60px rgba(0,0,0,0.6);
}

.terminal__bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: #161b22;
  border-bottom: 1px solid var(--color-border);
}

.terminal__dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.terminal__dot--red    { background: #ff5f57; }
.terminal__dot--yellow { background: #febc2e; }
.terminal__dot--green  { background: #28c840; }

.terminal__title {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
}

.terminal__body {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.75;
  overflow-x: auto;
}

.term-line { display: flex; align-items: baseline; gap: 0.5rem; }
.term-prompt { color: var(--grad-5); flex-shrink: 0; }
.term-cmd    { color: var(--color-text); }
.term-flag   { color: var(--grad-4); }
.term-output { color: var(--color-text-muted); padding-left: 1.25rem; }
.term-spacer { height: 1.25rem; }

.terminal__countdown {
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-top: 0.5rem;
}

.countdown__meta {
  font-size: 0.7rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.375rem;
}

.countdown__timer {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: 0.75rem;
  background: var(--rainbow);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: rainbow-scroll 4s linear infinite;
}

.countdown__bar-track {
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
}

.countdown__bar-fill {
  height: 100%;
  background: var(--rainbow);
  background-size: 200% 100%;
  animation: rainbow-scroll 4s linear infinite;
  transition: width 1s linear;
  width: 0%;
}

/* === Code Blocks =========================================== */
.code-block {
  background: #0d1117;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-block: 1rem;
}

.code-block__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 1rem;
  background: #161b22;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-text-dim);
}

.code-block pre {
  padding: 1.125rem 1.25rem;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.7;
  margin: 0;
  color: var(--color-text);
}

.tok-comment { color: #6b7280; font-style: italic; }
.tok-key     { color: var(--grad-4); }
.tok-attr    { color: var(--grad-2); }
.tok-str     { color: var(--grad-5); }
.tok-num     { color: var(--grad-7); }
.tok-flag    { color: var(--grad-4); }
.tok-val     { color: var(--grad-5); }

.copy-btn {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.2em 0.65em;
  cursor: pointer;
  transition: color var(--dur-fast), background var(--dur-fast), border-color var(--dur-fast);
  font-family: var(--font-sans);
}
.copy-btn:hover { color: var(--color-text); background: var(--color-border); }
.copy-btn.copied { color: var(--grad-5); border-color: var(--grad-5); }

/* === Tabs ================================================== */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  padding: 0.625rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.tab-btn:hover { color: var(--color-text); }
.tab-btn[aria-selected="true"] {
  color: var(--color-text);
  border-bottom-color: var(--grad-3);
}

.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

/* === Feature Cards ========================================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 860px)  { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px)  { .features-grid { grid-template-columns: 1fr; } }

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.625rem;
  transition:
    border-color var(--dur-med) var(--ease-out),
    transform var(--dur-med) var(--ease-out),
    box-shadow var(--dur-med) var(--ease-out);
}
.feature-card:hover {
  border-color: var(--grad-3);
  transform: translateY(-3px);
  box-shadow: 0 8px 36px color-mix(in srgb, var(--grad-3) 18%, transparent);
}

.feature-card__icon {
  width: 28px; height: 28px;
  color: var(--grad-4);
  margin-bottom: 1rem;
  transition: color var(--dur-med), filter var(--dur-med);
}
.feature-card:hover .feature-card__icon {
  color: var(--grad-4);
  filter: drop-shadow(0 0 8px var(--grad-4));
}

.feature-card__title {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.feature-card__body {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === Use Case Cards ======================================== */
.use-case-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

@media (max-width: 600px) { .use-case-cards { grid-template-columns: 1fr; } }

.use-case-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}

.use-case-card__title {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.use-case-card__icon {
  width: 22px; height: 22px;
  color: var(--grad-4);
  flex-shrink: 0;
}

.use-case-card__body {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.use-case-card .code-block { margin: 0; }

/* === HUD Mockup =========================================== */
.hud-mockup {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
}

.hud-mockup__screen {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0a0a0d;
  overflow: hidden;
}

.fake-slide {
  padding: 1.5rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.fake-slide__title {
  height: 14%;
  background: color-mix(in srgb, var(--grad-3) 18%, transparent);
  border-radius: var(--radius-sm);
}

.fake-slide__bar {
  height: 8px;
  background: rgba(255,255,255,0.07);
  border-radius: 999px;
}
.fake-slide__bar--short { width: 55%; }
.fake-slide__bar--med   { width: 78%; }
.fake-slide__bar--long  { width: 90%; }

.hud-overlay {
  position: absolute;
  bottom: 0.875rem;
  right: 0.875rem;
  background: rgba(0, 0, 0, 0.78);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 0.625rem 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 88px;
  backdrop-filter: blur(8px);
}

.hud-overlay__page {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-muted);
  text-align: right;
}

.hud-overlay__time {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  text-align: right;
  background: var(--rainbow);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: rainbow-scroll 4s linear infinite;
}

.hud-overlay__bar-track {
  height: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}
.hud-overlay__bar-fill {
  height: 100%;
  background: var(--rainbow);
  background-size: 200% 100%;
  animation: rainbow-scroll 4s linear infinite;
  transition: width 1s linear;
  width: 0%;
}

.hud-mockup__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-dim);
  text-align: center;
  padding: 0.5rem;
  border-top: 1px solid var(--color-border);
}

/* === Keyboard Shortcuts =================================== */
.keybindings {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-top: 2rem;
}

.keybindings__title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.keybindings__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem 1.5rem;
}

@media (max-width: 680px) { .keybindings__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 400px) { .keybindings__grid { grid-template-columns: 1fr; } }

.keybind {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.keybind span { color: var(--color-text-muted); }

kbd {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-bottom-width: 2px;
  border-radius: var(--radius-sm);
  padding: 0.1em 0.45em;
  color: var(--color-text);
  white-space: nowrap;
}

/* === Comparison Table ====================================== */
.compare-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-block: 2rem;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.compare-table th,
.compare-table td {
  padding: 0.875rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.compare-table thead th {
  background: var(--color-surface);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-text);
}

.compare-table thead th:first-child { border-radius: var(--radius-lg) 0 0 0; }
.compare-table thead th:last-child  { border-radius: 0 var(--radius-lg) 0 0; }

.compare-table tbody tr:last-child td { border-bottom: none; }

.compare-table tbody tr:hover td { background: var(--color-surface); }

.compare-table td:first-child {
  font-weight: 600;
  color: var(--color-text);
}

.compare-table .col-boozle { color: var(--grad-5); font-weight: 600; }
.compare-table .col-other     { color: var(--color-text-muted); }

.check { color: var(--grad-5); }
.partial { color: var(--grad-7); }
.cross  { color: var(--grad-8); }

/* === FAQ ================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 2rem;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item:last-child { border-bottom: none; }

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: background var(--dur-fast);
}
.faq-question:hover { background: var(--color-surface); }

.faq-chevron {
  width: 18px; height: 18px;
  color: var(--color-text-dim);
  flex-shrink: 0;
  transition: transform var(--dur-med) var(--ease-out);
}
.faq-item.is-open .faq-chevron { transform: rotate(180deg); }

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}
.faq-item.is-open .faq-answer { display: block; }

/* === CTA Banner =========================================== */
.cta-banner {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 3.5rem 2rem;
  text-align: center;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 80% 80% at 50% 100%,
    color-mix(in srgb, var(--grad-3) 12%, transparent),
    transparent 70%
  );
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--rainbow);
  background-size: 200% 100%;
  animation: rainbow-scroll 5s linear infinite;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.cta-banner__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
  position: relative;
}

.cta-banner__body {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  margin-bottom: 2rem;
  max-width: 44ch;
  margin-inline: auto;
  position: relative;
}

.cta-banner__actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  position: relative;
}

.cta-banner__trust {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--color-text-dim);
  position: relative;
}

/* === Hero ================================================= */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4.5rem, 10vw, 8rem);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

@media (max-width: 860px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { order: -1; min-width: 0; }
}

.hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grad-4);
  margin-bottom: 1rem;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero__lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 44ch;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  gap: 0.875rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.hero__trust {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin-top: 1rem;
}

.hero__glow {
  position: absolute;
  top: 50%;
  right: -5%;
  transform: translateY(-50%);
  width: 550px;
  height: 550px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    color-mix(in srgb, var(--grad-3) 14%, transparent) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: -1;
}

/* === Sections ============================================= */
.section {
  padding-block: 5rem;
  border-top: 1px solid var(--color-border);
}

.section--flush { padding-top: 0; border-top: none; }

/* === Problem Section ====================================== */
.problem-points {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.problem-point {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.problem-point__icon {
  width: 22px; height: 22px;
  color: var(--grad-3);
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.problem-point__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.problem-point__text strong { color: var(--color-text); }

/* === Usage Grid =========================================== */
.usage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 860px) { .usage-grid { grid-template-columns: 1fr; } }
.usage-grid > * { min-width: 0; }

/* === Install Notes ======================================== */
.install-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border-left: 3px solid var(--color-border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.install-steps {
  list-style: decimal;
  list-style-position: outside;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-top: 0.5rem;
}

.install-steps li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  padding-left: 0.25rem;
}

.install-steps li strong { color: var(--color-text); }

/* === Docs Layout ========================================== */
.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  align-items: start;
  padding-block: 3rem;
}

@media (max-width: 860px) { .docs-layout { grid-template-columns: 1fr; } }

.docs-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
}

.docs-sidebar__title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  margin-bottom: 0.75rem;
}

.docs-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.docs-sidebar__nav a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding: 0.35em 0.75em;
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast), background var(--dur-fast);
}
.docs-sidebar__nav a:hover { color: var(--color-text); background: var(--color-surface); }
.docs-sidebar__nav a.is-active { color: var(--color-text); background: var(--color-surface); }

.docs-content { min-width: 0; }

.docs-section {
  margin-bottom: 3.5rem;
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.docs-section h2 {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.docs-section h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 1.5rem 0 0.5rem;
  color: var(--color-text-muted);
}

.docs-section p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

/* === Reference Table ====================================== */
.ref-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-block: 1rem;
}

.ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.ref-table th,
.ref-table td {
  padding: 0.7rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.ref-table thead th {
  background: var(--color-surface);
  font-weight: 700;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ref-table tbody tr:last-child td { border-bottom: none; }
.ref-table tbody tr:hover td { background: color-mix(in srgb, var(--color-surface) 50%, transparent); }

.ref-table td:first-child {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--grad-4);
  white-space: nowrap;
}

.ref-table td:last-child { color: var(--color-text-muted); }

/* === Page Hero (inner pages) ============================== */
.page-hero {
  padding-block: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--color-border);
}

.page-hero__title {
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 0.875rem;
}

.page-hero__lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.7;
}

/* === Footer =============================================== */
.site-footer {
  margin-top: 5rem;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem 3rem;
  padding-block: 2.5rem;
}

.footer__logo img { height: 30px; width: auto; opacity: 0.85; }

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  margin-left: auto;
}

.footer__nav a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding: 0.25em 0.5em;
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast);
}
.footer__nav a:hover { color: var(--color-text); }

.footer__copy {
  width: 100%;
  font-size: 0.8rem;
  color: var(--color-text-dim);
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

@media (max-width: 600px) {
  .footer__nav { margin-left: 0; }
  .footer__inner { gap: 1rem; }
}

/* === Scroll Animations ==================================== */
@media (prefers-reduced-motion: no-preference) {
  .anim-fade-up {
    opacity: 0;
    transform: translateY(22px);
    transition:
      opacity 0.55s var(--ease-out),
      transform 0.55s var(--ease-out);
  }
  .anim-fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}