/*
 * Hanif CLI — Marketing site styles
 * Design tokens, components, and utilities. No external dependencies.
 */

/* ---------- Design tokens ---------- */
:root {
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo,
    Consolas, "Liberation Mono", monospace;

  --c-bg: #ffffff;
  --c-bg-elev: #f7f8fb;
  --c-bg-code: #0f1220;
  --c-fg: #0e1116;
  --c-fg-muted: #4a5568;
  --c-fg-subtle: #6b7280;
  --c-border: #e6e8ef;
  --c-border-strong: #cdd2dc;

  --c-brand: #6d4cff;
  --c-brand-2: #00d4b4;
  --c-brand-3: #ff5e8a;
  --c-warn: #ffb84d;
  --c-ok: #19c37d;
  --c-info: #3aa0ff;

  --grad-brand: linear-gradient(135deg, #6d4cff 0%, #00d4b4 100%);
  --grad-warm: linear-gradient(135deg, #ff5e8a 0%, #ffb84d 100%);
  --grad-cool: linear-gradient(135deg, #3aa0ff 0%, #6d4cff 100%);

  --shadow-sm: 0 1px 2px rgba(15, 18, 32, 0.06);
  --shadow-md: 0 6px 20px rgba(15, 18, 32, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 18, 32, 0.16);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --container: 1120px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
}

[data-theme="dark"] {
  --c-bg: #0b0d12;
  --c-bg-elev: #12151d;
  --c-bg-code: #07091a;
  --c-fg: #eef0f6;
  --c-fg-muted: #b6bcca;
  --c-fg-subtle: #8a93a6;
  --c-border: #232838;
  --c-border-strong: #2f3548;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.55);
}

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

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

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

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

a {
  color: var(--c-brand);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--c-brand);
  outline-offset: 2px;
  border-radius: 4px;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-4);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p { margin: 0 0 var(--space-4); color: var(--c-fg-muted); }

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

code {
  font-size: 0.9em;
  padding: 0.12em 0.4em;
  border-radius: 4px;
  background: var(--c-bg-elev);
  color: var(--c-fg);
  border: 1px solid var(--c-border);
}

pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
  font-size: 0.95em;
}

kbd {
  display: inline-block;
  padding: 2px 6px;
  font-size: 0.8em;
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  color: var(--c-fg);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.section {
  padding: var(--space-8) 0;
}

.section-tight { padding: var(--space-7) 0; }

.section-alt {
  background: var(--c-bg-elev);
  border-block: 1px solid var(--c-border);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-7);
}

.section-head .eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-brand);
  margin-bottom: var(--space-3);
}

.section-head p {
  font-size: 1.05rem;
  color: var(--c-fg-muted);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--c-brand);
  color: #fff;
  padding: 8px 12px;
  border-radius: 0 0 8px 0;
  z-index: 1000;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--c-bg) 85%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--c-border);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-fg);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.nav-brand:hover { text-decoration: none; }

.nav-brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--grad-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
}

.nav-links {
  display: flex;
  gap: var(--space-5);
  margin-left: auto;
  align-items: center;
}

.nav-links a {
  color: var(--c-fg-muted);
  font-weight: 500;
}

.nav-links a:hover { color: var(--c-fg); text-decoration: none; }

.nav-actions {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.icon-button {
  background: transparent;
  border: 1px solid var(--c-border);
  color: var(--c-fg-muted);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.icon-button:hover {
  color: var(--c-fg);
  border-color: var(--c-border-strong);
  background: var(--c-bg-elev);
}

.nav-toggle { display: none; }

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }
  .nav-links {
    position: absolute;
    inset: 100% 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-border);
    padding: var(--space-3) var(--space-5);
    margin: 0;
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a {
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--c-border);
  }
  .nav-links a:last-child { border-bottom: 0; }
  .nav-actions { margin-left: 0; }
  /* Hide "Star on GitHub" button on small screens — it's in the nav menu */
  .nav-actions .btn { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--c-bg-elev);
  --btn-fg: var(--c-fg);
  --btn-bd: var(--c-border-strong);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  cursor: pointer;
  transition: transform .12s ease, box-shadow .15s, background .15s, border-color .15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); text-decoration: none; }
.btn:active { transform: translateY(0); }

.btn-primary {
  --btn-bg: var(--c-brand);
  --btn-fg: #fff;
  --btn-bd: transparent;
  background: var(--grad-brand);
}

.btn-ghost {
  --btn-bg: transparent;
}

.btn-lg { padding: 14px 22px; font-size: 1rem; }

.btn svg { width: 18px; height: 18px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-9) 0 var(--space-8);
}

.hero::before {
  content: "";
  position: absolute;
  inset: -10% -20% auto auto;
  width: 60%;
  height: 60%;
  background: radial-gradient(closest-side, rgba(109, 76, 255, 0.18), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto auto -20% -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(closest-side, rgba(0, 212, 180, 0.18), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-fg-muted);
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: var(--space-5);
}
.hero-eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-ok);
  box-shadow: 0 0 0 4px rgba(25, 195, 125, .15);
}

.hero h1 .grad-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lede {
  font-size: 1.15rem;
  color: var(--c-fg-muted);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  margin-top: var(--space-6);
  color: var(--c-fg-subtle);
  font-size: 0.9rem;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-meta svg { width: 16px; height: 16px; }

/* ---------- Terminal ---------- */
.terminal {
  background: var(--c-bg-code);
  color: #e6e8ef;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.55;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.terminal-bar .dot {
  width: 12px; height: 12px; border-radius: 50%;
  display: inline-block;
}
.dot.r { background: #ff5f57; }
.dot.y { background: #febc2e; }
.dot.g { background: #28c840; }
.terminal-title {
  margin-left: auto;
  margin-right: auto;
  font-size: 0.78rem;
  color: rgba(230, 232, 239, 0.55);
  letter-spacing: 0.02em;
}

.terminal-body {
  padding: 18px 20px 22px;
  min-height: 320px;
}

.terminal-line { white-space: pre-wrap; word-break: break-word; }
.terminal-line + .terminal-line { margin-top: 4px; }

.t-prompt { color: #00d4b4; font-weight: 600; }
.t-cmd    { color: #eef0f6; }
.t-flag   { color: #ffb84d; }
.t-str    { color: #ffd28a; }
.t-ok     { color: #19c37d; }
.t-info   { color: #3aa0ff; }
.t-warn   { color: #ffb84d; }
.t-err    { color: #ff5e8a; }
.t-muted  { color: rgba(230, 232, 239, 0.55); }

.cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: #00d4b4;
  vertical-align: -2px;
  margin-left: 2px;
  animation: blink 1s steps(2, end) infinite;
}

@keyframes blink {
  to { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Install card ---------- */
.install-card {
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.copy-row {
  display: flex;
  align-items: stretch;
  gap: var(--space-2);
  background: var(--c-bg-code);
  color: #e6e8ef;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  overflow: hidden;
}
.copy-row code {
  background: transparent;
  border: 0;
  color: #eef0f6;
  flex: 1;
  overflow-x: auto;
  white-space: nowrap;
  padding: 0;
}
.copy-row .copy-btn {
  background: rgba(255, 255, 255, 0.06);
  color: #eef0f6;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.8rem;
  cursor: pointer;
}
.copy-row .copy-btn:hover { background: rgba(255,255,255,0.12); }
.copy-row .copy-btn.is-copied { background: var(--c-ok); border-color: var(--c-ok); color: #07101a; }

.install-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  color: var(--c-fg-subtle);
  font-size: 0.85rem;
  margin-top: var(--space-3);
}
.install-meta span { display: inline-flex; align-items: center; gap: 6px; }
.install-meta svg { width: 14px; height: 14px; }

/* ---------- Stat strip ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  text-align: center;
}
@media (max-width: 720px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
}
.stat .num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}
.stat .lbl {
  font-size: 0.85rem;
  color: var(--c-fg-subtle);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- Feature cards ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 920px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .feature-grid { grid-template-columns: 1fr; } }

.feature-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: transform .15s, border-color .15s, box-shadow .15s;
  position: relative;
  overflow: hidden;
}
.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--c-border-strong);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.feature-icon svg { width: 22px; height: 22px; }

.icon-grad-1 { background: var(--grad-brand); }
.icon-grad-2 { background: var(--grad-warm); }
.icon-grad-3 { background: var(--grad-cool); }
.icon-grad-4 { background: linear-gradient(135deg, #19c37d, #00d4b4); }
.icon-grad-5 { background: linear-gradient(135deg, #ff5e8a, #6d4cff); }
.icon-grad-6 { background: linear-gradient(135deg, #ffb84d, #ff5e8a); }
.icon-grad-7 { background: linear-gradient(135deg, #3aa0ff, #00d4b4); }

.feature-card h3 { margin-bottom: var(--space-2); }
.feature-card p { margin-bottom: var(--space-3); font-size: 0.95rem; }
.feature-card .feature-link {
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ---------- Command sections ---------- */
.cmd-block {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-5);
  scroll-margin-top: 90px;
}

.cmd-head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}
.cmd-head .feature-icon { margin-bottom: 0; flex-shrink: 0; }
.cmd-head .cmd-title { flex: 1; min-width: 200px; }
.cmd-head h3 {
  margin: 0;
  font-size: 1.4rem;
}
.cmd-head .cmd-subtitle {
  color: var(--c-fg-subtle);
  font-size: 0.95rem;
  margin-top: 2px;
}

.cmd-head .cmd-aliases {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  color: var(--c-fg-muted);
  padding: 2px 8px;
  border-radius: 999px;
}

.scenario {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px dashed var(--c-border);
}
.scenario:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }

.scenario h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  margin-bottom: var(--space-3);
  color: var(--c-fg);
}
.scenario h4::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--grad-brand);
}

.scenario p { font-size: 0.95rem; }

/* code block */
.code-block {
  position: relative;
  background: var(--c-bg-code);
  color: #e6e8ef;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin: var(--space-3) 0;
  overflow-x: auto;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.55;
}
.code-block pre {
  margin: 0;
  padding: 0;
  background: transparent;
  white-space: pre;
  min-width: 0;
}
.code-block .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: #eef0f6;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 3px 9px;
  font-size: 0.75rem;
  cursor: pointer;
  font-family: var(--font-sans);
  opacity: 0;
  transition: opacity .15s, background .15s;
}
.code-block:hover .copy-btn,
.code-block .copy-btn:focus-visible { opacity: 1; }
.code-block .copy-btn.is-copied { background: var(--c-ok); border-color: var(--c-ok); color: #07101a; opacity: 1; }

/* shell highlighting */
.sh-prompt { color: #00d4b4; }
.sh-cmd    { color: #eef0f6; }
.sh-arg    { color: #ffd28a; }
.sh-flag   { color: #ffb84d; }
.sh-comment{ color: #8a93a6; font-style: italic; }
.sh-out    { color: #b6bcca; }
.sh-ok     { color: #19c37d; }
.sh-warn   { color: #ffb84d; }
.sh-err    { color: #ff5e8a; }

/* ---------- Why grid ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}
@media (max-width: 720px) { .why-grid { grid-template-columns: 1fr; } }

.why-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: var(--c-bg);
  overflow: hidden;
  min-width: 0;
}
.why-item > div {
  min-width: 0;
  flex: 1;
}
.why-item .feature-icon {
  margin-bottom: 0;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
}
.why-item h3 { font-size: 1.05rem; margin-bottom: 6px; }
.why-item p { margin: 0; font-size: 0.95rem; }

/* ---------- Quotes ---------- */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 920px) { .quote-grid { grid-template-columns: 1fr; } }

.quote {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  position: relative;
}
.quote::before {
  content: "\201C";
  position: absolute;
  top: -10px;
  left: 16px;
  font-family: Georgia, serif;
  font-size: 4rem;
  line-height: 1;
  color: var(--c-brand);
  opacity: 0.4;
}
.quote blockquote {
  margin: 0 0 var(--space-3);
  font-size: 1rem;
  color: var(--c-fg);
  font-style: italic;
}
.quote-author {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--c-fg-muted);
}
.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
}
.avatar.a2 { background: var(--grad-warm); }
.avatar.a3 { background: var(--grad-cool); }

/* ---------- FAQ ---------- */
.faq {
  max-width: 760px;
  margin: 0 auto;
}
.faq details {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  background: var(--c-bg);
  margin-bottom: var(--space-3);
  overflow: hidden;
}
.faq details[open] { border-color: var(--c-border-strong); }
.faq summary {
  padding: var(--space-4);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--c-fg-muted);
  border-bottom: 2px solid var(--c-fg-muted);
  transform: rotate(45deg);
  transition: transform .2s;
  flex-shrink: 0;
}
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq .faq-body { padding: 0 var(--space-4) var(--space-4); color: var(--c-fg-muted); }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  text-align: center;
  padding: var(--space-9) var(--space-5);
  border-radius: var(--radius-xl);
  background: var(--grad-brand);
  color: #fff;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(at 20% 20%, rgba(255,255,255,0.18), transparent 40%),
    radial-gradient(at 80% 80%, rgba(0,0,0,0.18), transparent 50%);
  pointer-events: none;
}
.cta h2 { color: #fff; }
.cta p { color: rgba(255,255,255,0.9); font-size: 1.1rem; max-width: 600px; margin: 0 auto var(--space-5); }
.cta .btn-primary { background: #fff; color: var(--c-brand); }
.cta .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.5); background: transparent; }
.cta .actions { display: inline-flex; flex-wrap: wrap; gap: var(--space-3); justify-content: center; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--c-border);
  padding: var(--space-7) 0 var(--space-5);
  background: var(--c-bg-elev);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-grid h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-fg-subtle);
  margin-bottom: var(--space-3);
}
.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-grid li { margin-bottom: 6px; }
.footer-grid a { color: var(--c-fg-muted); font-size: 0.92rem; }
.footer-grid a:hover { color: var(--c-fg); }
.footer-brand p { font-size: 0.92rem; max-width: 320px; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--c-border);
  padding-top: var(--space-4);
  color: var(--c-fg-subtle);
  font-size: 0.85rem;
}

/* ---------- TOC (commands page) ---------- */
.docs-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-7);
  align-items: start;
}
@media (max-width: 900px) { .docs-grid { grid-template-columns: 1fr; } }

.toc {
  position: sticky;
  top: 80px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  background: var(--c-bg);
}
.toc h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-fg-subtle);
  margin-bottom: var(--space-3);
}
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc li { margin-bottom: 2px; }
.toc a {
  display: block;
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--c-fg-muted);
  font-size: 0.92rem;
}
.toc a:hover { background: var(--c-bg-elev); color: var(--c-fg); text-decoration: none; }

/* ---------- 404 ---------- */
.error-page {
  text-align: center;
  padding: var(--space-9) var(--space-5);
}
.error-code {
  font-family: var(--font-mono);
  font-size: clamp(5rem, 14vw, 10rem);
  font-weight: 800;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.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;
}