/* =========================================================
   CardGuard — Discord-native art direction
   - Dark default (Discord-comfortable)
   - Blurple primary (#5865F2) — native to Discord
   - Coral danger (#F04E5C) — high-impact warnings
   - Mint success (#23D18B) — verified states
   ========================================================= */

:root,
[data-theme='light'] {
  --color-bg: #f7f7fb;
  --color-surface: #ffffff;
  --color-surface-2: #f1f1f6;
  --color-surface-3: #e7e8ef;
  --color-border: #d8d9e0;
  --color-divider: #ebecf1;
  --color-text: #14152b;
  --color-text-muted: #5b5d75;
  --color-text-faint: #9a9cb0;
  --color-text-inverse: #ffffff;

  --color-primary: #5865f2;
  --color-primary-hover: #4651d4;
  --color-primary-soft: #e3e5fc;

  --color-success: #1f9d57;
  --color-success-soft: #d4f4e0;
  --color-warning: #c87a00;
  --color-warning-soft: #faecd0;
  --color-danger: #d23a4a;
  --color-danger-soft: #fbe0e3;
  --color-scam: #b21f2f;
  --color-scam-soft: #f8d2d6;

  --discord-bg: #313338;
  --discord-sidebar: #1e1f22;
  --discord-channels: #2b2d31;
  --discord-text: #f2f3f5;
  --discord-text-muted: #b5bac1;
  --discord-mention: #5865f2;

  --shadow-sm: 0 1px 2px rgba(20, 21, 43, 0.05);
  --shadow-md: 0 6px 18px rgba(20, 21, 43, 0.08);
  --shadow-lg: 0 22px 50px rgba(20, 21, 43, 0.12);
  --shadow-glow: 0 0 0 1px rgba(88, 101, 242, 0.25), 0 12px 32px rgba(88, 101, 242, 0.18);
}

[data-theme='dark'] {
  --color-bg: #0d0e15;
  --color-surface: #14151f;
  --color-surface-2: #1a1c28;
  --color-surface-3: #232636;
  --color-border: #2d3144;
  --color-divider: #1f2231;
  --color-text: #ecedf5;
  --color-text-muted: #9b9eb4;
  --color-text-faint: #62647a;
  --color-text-inverse: #0d0e15;

  --color-primary: #7984ff;
  --color-primary-hover: #5865f2;
  --color-primary-soft: #1d2150;

  --color-success: #4ddc8a;
  --color-success-soft: #143425;
  --color-warning: #ffb547;
  --color-warning-soft: #3d2c10;
  --color-danger: #ff6677;
  --color-danger-soft: #401820;
  --color-scam: #ff4d5e;
  --color-scam-soft: #4a131a;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 22px 50px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 0 1px rgba(121, 132, 255, 0.4), 0 12px 32px rgba(88, 101, 242, 0.25);
}

/* tokens */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.85rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.25vw, 0.95rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.075rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.35rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  --text-2xl: clamp(2rem, 1.5rem + 2vw, 3rem);
  --text-3xl: clamp(2.5rem, 1.4rem + 4vw, 4.25rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --font-body: 'Satoshi', 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Menlo', monospace;

  --content-wide: 1200px;
}

/* base reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  transition: background var(--transition), color var(--transition);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
code { font-family: var(--font-mono); font-size: 0.9em; }
h1, h2, h3 { text-wrap: balance; line-height: 1.15; font-weight: 700; }
p { text-wrap: pretty; max-width: 64ch; }
::selection { background: var(--color-primary-soft); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-4) clamp(var(--space-4), 4vw, var(--space-10));
  background: color-mix(in oklab, var(--color-bg) 80%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--color-primary);
}
.logo span { color: var(--color-text); font-size: var(--text-lg); }
.site-header nav {
  display: flex;
  gap: var(--space-6);
  margin-left: auto;
  font-size: var(--text-sm);
  font-weight: 500;
}
.site-header nav a { color: var(--color-text-muted); transition: color var(--transition); }
.site-header nav a:hover { color: var(--color-text); }
.theme-toggle {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: color var(--transition), background var(--transition);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-2); }

@media (max-width: 640px) {
  .site-header nav { display: none; }
}

/* SHARED SECTION */
.section {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: clamp(var(--space-12), 8vw, var(--space-24)) clamp(var(--space-5), 4vw, var(--space-10));
}
.section-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}
.section-title-tight { margin-bottom: var(--space-4); }
.section-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
  max-width: 60ch;
}
.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  border: 1px solid transparent;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-glow); }
.btn-ghost {
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-ghost:hover { background: var(--color-surface-2); border-color: var(--color-text-muted); }

/* HERO */
.hero {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: clamp(var(--space-12), 7vw, var(--space-20)) clamp(var(--space-5), 4vw, var(--space-10)) var(--space-16);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

.hero h1 {
  font-size: var(--text-3xl);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-5);
  line-height: 1.05;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(180deg, transparent 60%, var(--color-primary-soft) 60%);
  padding: 0 4px;
}
.lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 52ch;
}
.hero-cta {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}
.hero-stat-row {
  display: flex;
  gap: clamp(var(--space-6), 4vw, var(--space-10));
  flex-wrap: wrap;
}
.hero-stat-row > div {
  display: flex;
  flex-direction: column;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hero-stat-row strong {
  display: block;
  font-size: var(--text-xl);
  color: var(--color-text);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-transform: none;
  margin-bottom: 2px;
}

/* DM mockup card */
.dm-mockup {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
}
.dm-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface-2);
}
.dm-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 700;
}
.dm-avatar-fake { background: linear-gradient(135deg, #5865F2, #888); position: relative; }
.dm-avatar-fake::after {
  content: '!';
  position: absolute;
  bottom: -3px;
  right: -3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-scam);
  color: white;
  font-size: 11px;
  font-weight: 900;
  display: grid;
  place-items: center;
  border: 2px solid var(--color-surface);
}
.dm-name { font-weight: 700; display: flex; align-items: center; gap: var(--space-2); }
.dm-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.dm-badge-fake {
  background: var(--color-scam-soft);
  color: var(--color-scam);
  text-decoration: line-through;
}
.dm-status { font-size: var(--text-xs); color: var(--color-success); }
.dm-body { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); }
.dm-msg {
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  max-width: 90%;
}
.dm-msg-them { align-self: flex-start; }
.dm-msg-rush { color: var(--color-danger); font-weight: 500; }
.dm-fakelink { color: var(--color-primary); text-decoration: underline; }

.dm-cardguard-alert {
  margin-top: var(--space-3);
  border: 2px solid var(--color-scam);
  border-radius: var(--radius-md);
  background: var(--color-scam-soft);
  color: var(--color-text);
  overflow: hidden;
}
.cg-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-scam);
  color: white;
  font-weight: 700;
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
}
.cg-bar span:nth-child(2) { flex: 1; text-transform: uppercase; }
.cg-band { padding: 2px 8px; border-radius: var(--radius-full); background: rgba(255,255,255,0.18); }
.dm-cardguard-alert ul {
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-6);
  font-size: var(--text-xs);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* PROBLEM */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}
@media (max-width: 720px) { .problem-grid { grid-template-columns: 1fr; } }
.problem-card {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition), transform var(--transition);
}
.problem-card:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.problem-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-danger);
  margin-bottom: var(--space-3);
}
.problem-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); }
.problem-card p { color: var(--color-text-muted); }
.problem-note {
  text-align: center;
  max-width: 56ch;
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}
.problem-note strong { color: var(--color-text); }

/* DEMO */
.scenario-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.scenario-btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.scenario-btn:hover { color: var(--color-text); border-color: var(--color-text-muted); }
.scenario-btn.is-active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.demo-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-5);
  align-items: stretch;
}
@media (max-width: 900px) { .demo-grid { grid-template-columns: 1fr; } }

/* Discord client mockup */
.discord-frame {
  display: grid;
  grid-template-columns: 56px 200px 1fr;
  background: var(--discord-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  color: var(--discord-text);
  min-height: 520px;
}
@media (max-width: 640px) {
  .discord-frame { grid-template-columns: 48px 160px 1fr; }
}
.discord-sidebar {
  background: var(--discord-sidebar);
  padding: var(--space-3) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}
.discord-server { padding: 4px 0; }
.discord-server-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  background: #36373d;
  color: var(--discord-text);
  font-size: 12px;
  font-weight: 700;
}
.discord-server-active .discord-server-icon {
  background: var(--color-primary);
  border-radius: var(--radius-md);
}
.discord-server-dm { background: var(--color-primary) !important; }

.discord-channels {
  background: var(--discord-channels);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.discord-channels-header {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--discord-text-muted);
  padding: var(--space-2) var(--space-2);
  margin-bottom: var(--space-2);
}
.discord-dm-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--discord-text-muted);
}
.discord-dm-active {
  background: rgba(255,255,255,0.06);
  color: var(--discord-text);
}
.discord-dm-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}
.discord-dm-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.discord-chat {
  display: flex;
  flex-direction: column;
  background: var(--discord-bg);
}
.discord-chat-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.discord-chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 13px;
}
.discord-chat-name { font-weight: 700; font-size: var(--text-sm); }
.discord-chat-sub { font-size: var(--text-xs); color: var(--discord-text-muted); }

.discord-chat-body {
  flex: 1;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  overflow-y: auto;
  font-size: var(--text-sm);
}
.discord-msg {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}
.discord-msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}
.discord-msg-author {
  font-weight: 700;
  margin-bottom: 2px;
}
.discord-msg-author-time {
  font-size: var(--text-xs);
  color: var(--discord-text-muted);
  margin-left: var(--space-2);
  font-weight: 400;
}
.discord-msg-text { color: var(--discord-text); line-height: 1.5; }
.discord-msg-text.muted { color: var(--discord-text-muted); }

.discord-chat-input {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--discord-channels);
}
.discord-slash {
  flex: 1;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  background: rgba(88,101,242,0.12);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
}
.discord-slash span { color: var(--discord-text); }
.discord-run-btn {
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.discord-run-btn:hover { background: var(--color-primary-hover); }

/* CG response panel */
.cg-response {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  min-height: 520px;
}
.cg-response-placeholder {
  margin: auto;
  text-align: center;
  color: var(--color-text-faint);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}
.cg-response-placeholder p { color: var(--color-text-muted); }
.cg-response-note { font-size: var(--text-xs); color: var(--color-text-faint); }

.cg-result-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.cg-result-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  color: white;
  font-weight: 700;
  font-size: var(--text-lg);
  flex-shrink: 0;
}
.cg-result-name { font-weight: 700; font-size: var(--text-base); }
.cg-result-id { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-faint); }

.cg-band-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-4);
}
.cg-band-pill.trusted { background: var(--color-success-soft); color: var(--color-success); }
.cg-band-pill.caution { background: var(--color-warning-soft); color: var(--color-warning); }
.cg-band-pill.risk { background: var(--color-danger-soft); color: var(--color-danger); }
.cg-band-pill.scam { background: var(--color-scam); color: white; }

.cg-meta-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding: var(--space-3);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
}
.cg-meta-row div { text-align: center; }
.cg-meta-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-faint); margin-bottom: 2px; }
.cg-meta-val { font-weight: 700; font-size: var(--text-sm); }

.cg-signals {
  margin-bottom: var(--space-5);
}
.cg-signals h4 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}
.cg-signals ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.cg-signals li {
  font-size: var(--text-sm);
  padding-left: var(--space-5);
  position: relative;
}
.cg-signals li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.cg-signals li.bad::before { background: var(--color-danger); }
.cg-signals li.good::before { background: var(--color-success); }
.cg-signals li.neutral::before { background: var(--color-text-faint); }

.cg-checklist {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-4);
  margin-top: auto;
}
.cg-checklist h4 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.cg-checklist ol {
  padding-left: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* HOW */
.how-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.how-list li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-6);
  align-items: start;
}
@media (max-width: 640px) {
  .how-list li { grid-template-columns: 1fr; gap: var(--space-2); }
}
.how-num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  color: var(--color-primary);
  font-weight: 700;
}
.how-list h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.how-list p { color: var(--color-text-muted); }
.how-list code {
  background: var(--color-surface-2);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}

/* COMMANDS */
.cmd-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 800px) { .cmd-grid { grid-template-columns: 1fr; } }
.cmd-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
}
.cmd-card:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.cmd-name {
  display: inline-block;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.cmd-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.cmd-card p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* INSTALL / CONTACT */
.contact-card {
  max-width: 640px;
  margin: 0 auto;
  text-align: left;
}
.contact-card .section-title-tight { margin-top: var(--space-2); }
.install-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}
@media (max-width: 900px) { .install-grid { grid-template-columns: 1fr; } }
.install-bullets {
  list-style: none;
  margin: var(--space-5) 0 var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  color: var(--color-text-muted);
}
.install-bullets li {
  padding-left: var(--space-6);
  position: relative;
  font-size: var(--text-sm);
}
.install-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg);
}
.install-cta { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.code-block {
  background: #0a0c14;
  color: #d5d9ec;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow-x: auto;
  line-height: 1.6;
  white-space: pre;
  box-shadow: var(--shadow-lg);
}
.code-comment { color: #7c83a8; display: block; }
.code-line { color: #b5e0ff; display: block; }

/* LIMITS */
.limits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 900px) { .limits-grid { grid-template-columns: 1fr; } }
.limit-card {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.limit-card h3 { font-size: var(--text-base); margin-bottom: var(--space-3); }
.limit-card p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* FOOTER */
footer {
  border-top: 1px solid var(--color-divider);
  margin-top: var(--space-16);
}
.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-8) clamp(var(--space-5), 4vw, var(--space-10));
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* small fade-in for response */
.cg-result {
  animation: fadeIn 280ms cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  flex: 1;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}