/* ==========================================================================
   AI NameHub — Core Stylesheet
   Design system: ink/paper duotone + violet/amber signature accents
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* ---- Color tokens (Light / default) ---- */
  --color-bg: #FAFAF8;
  --color-bg-elevated: #FFFFFF;
  --color-bg-sunken: #F0EFEA;
  --color-ink: #15171F;
  --color-ink-soft: #4B4E5C;
  --color-ink-faint: #8A8D9A;
  --color-border: #E4E2DB;
  --color-border-strong: #D2CFC4;

  --color-violet: #6E56F8;
  --color-violet-deep: #5239D8;
  --color-violet-soft: #EFEBFF;
  --color-amber: #F5A623;
  --color-amber-soft: #FFF2DC;

  --color-success: #1FA97F;
  --color-danger: #E6533C;

  --gradient-signature: linear-gradient(135deg, #6E56F8 0%, #9B7BFF 45%, #F5A623 100%);
  --gradient-mesh: radial-gradient(circle at 15% 20%, rgba(110,86,248,0.16), transparent 45%),
                    radial-gradient(circle at 85% 10%, rgba(245,166,35,0.14), transparent 40%),
                    radial-gradient(circle at 50% 90%, rgba(110,86,248,0.10), transparent 50%);

  /* ---- Typography ---- */
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', monospace;

  /* ---- Spacing scale ---- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* ---- Radii & shadow ---- */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(21, 23, 31, 0.06);
  --shadow-md: 0 8px 24px rgba(21, 23, 31, 0.08);
  --shadow-lg: 0 24px 60px rgba(21, 23, 31, 0.14);
  --shadow-violet: 0 12px 32px rgba(110, 86, 248, 0.28);

  --container-w: 1180px;
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --color-bg: #0B0E14;
  --color-bg-elevated: #12141C;
  --color-bg-sunken: #06070B;
  --color-ink: #F2F1ED;
  --color-ink-soft: #B6B7C4;
  --color-ink-faint: #6B6E7E;
  --color-border: #232631;
  --color-border-strong: #30333F;

  --color-violet-soft: #1C1840;
  --color-amber-soft: #2E2410;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.5);
  --shadow-violet: 0 12px 36px rgba(110, 86, 248, 0.35);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

:focus-visible {
  outline: 2px solid var(--color-violet);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-violet);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  z-index: 999;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  max-width: var(--container-w);
  margin: 0 auto;
  gap: var(--space-5);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--gradient-signature);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  transition: color var(--transition);
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--color-ink); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-violet);
  border-radius: 2px;
}

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

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  display: grid;
  place-items: center;
  color: var(--color-ink);
  transition: all var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--color-violet); transform: rotate(8deg); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-shrink: 0;
}
.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-signature);
  color: #fff;
  box-shadow: var(--shadow-violet);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(110, 86, 248, 0.38); }
.btn-secondary {
  background: var(--color-bg-elevated);
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover { border-color: var(--color-violet); color: var(--color-violet); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--color-ink-soft); }
.btn-ghost:hover { color: var(--color-ink); }
.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.85rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none !important; }

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

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-8);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-violet);
  background: var(--color-violet-soft);
  border: 1px solid color-mix(in srgb, var(--color-violet) 30%, transparent);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-5);
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-amber);
  animation: pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(0.7); } }

.hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.6rem);
  margin-bottom: var(--space-5);
}
.hero h1 .accent-text {
  background: var(--gradient-signature);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-ink-soft);
  max-width: 46ch;
  margin-bottom: var(--space-6);
}

.hero-cta-row { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-7); }

.hero-stats { display: flex; gap: var(--space-7); flex-wrap: wrap; }
.hero-stat strong { display: block; font-family: var(--font-display); font-size: 1.6rem; }
.hero-stat span { font-size: 0.85rem; color: var(--color-ink-faint); }

/* ---- Console card (signature element) ---- */
.console-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}
.console-head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-sunken);
}
.console-dot { width: 10px; height: 10px; border-radius: 50%; }
.console-dot:nth-child(1) { background: #F45C5C; }
.console-dot:nth-child(2) { background: #F5BC42; }
.console-dot:nth-child(3) { background: #36C281; }
.console-title {
  margin-left: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-ink-faint);
}
.console-body { padding: var(--space-6); }
.console-line {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-ink-faint);
  margin-bottom: var(--space-4);
}
.console-line .prompt-sym { color: var(--color-violet); margin-right: var(--space-2); }
.console-typed { color: var(--color-ink); border-right: 2px solid var(--color-violet); padding-right: 3px; }

.console-chips { display: flex; flex-direction: column; gap: var(--space-3); }
.name-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  background: var(--color-bg-sunken);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  opacity: 0;
  transform: translateY(10px);
  animation: chip-in 0.5s ease forwards;
}
.name-chip:nth-child(1) { animation-delay: 0.2s; }
.name-chip:nth-child(2) { animation-delay: 0.5s; }
.name-chip:nth-child(3) { animation-delay: 0.8s; }
@keyframes chip-in { to { opacity: 1; transform: translateY(0); } }
.name-chip .chip-name { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
.name-chip .chip-meta { font-size: 0.78rem; color: var(--color-ink-faint); }
.chip-score {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--color-violet-soft);
  color: var(--color-violet-deep);
  flex-shrink: 0;
}
[data-theme="dark"] .chip-score { color: #B8A8FF; }

/* ==========================================================================
   Generator Form Section
   ========================================================================== */
.generator-section { padding: var(--space-9) 0; }

.section-head { max-width: 640px; margin: 0 auto var(--space-7); text-align: center; }
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); margin-bottom: var(--space-3); }
.section-head p { color: var(--color-ink-soft); font-size: 1.05rem; }
.section-head.align-left { margin-left: 0; text-align: left; }

.generator-panel {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-7);
}

.gen-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-4);
}
.gen-tab {
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  background: transparent;
  border: 1px solid transparent;
  transition: var(--transition);
}
.gen-tab:hover { color: var(--color-ink); }
.gen-tab.active {
  background: var(--color-violet);
  color: #fff;
}

.gen-panel { display: none; }
.gen-panel.active { display: block; animation: fade-in 0.35s ease; }
@keyframes fade-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-ink-soft);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background: var(--color-bg);
  color: var(--color-ink);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--color-violet);
  box-shadow: 0 0 0 4px var(--color-violet-soft);
  outline: none;
}

.style-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
}
.style-option { position: relative; }
.style-option input { position: absolute; opacity: 0; }
.style-option label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
  padding: var(--space-4) var(--space-2);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin: 0;
}
.style-option label .style-icon { font-size: 1.3rem; }
.style-option input:checked + label {
  border-color: var(--color-violet);
  background: var(--color-violet-soft);
  color: var(--color-violet-deep);
  box-shadow: 0 0 0 1px var(--color-violet);
}
[data-theme="dark"] .style-option input:checked + label { color: #C4B5FF; }
.style-option label:hover { border-color: var(--color-violet); }

.generator-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.gen-hint { font-size: 0.85rem; color: var(--color-ink-faint); }

.btn-generate {
  position: relative;
  min-width: 220px;
}
.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
.btn-generate.loading .spinner { display: inline-block; }
.btn-generate.loading .btn-label { opacity: 0.7; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   Results
   ========================================================================== */
.results-section { padding-top: var(--space-7); }
.results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.results-bar h3 { font-size: 1.3rem; }
.results-tools { display: flex; gap: var(--space-3); flex-wrap: wrap; }

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

.name-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  opacity: 0;
  transform: translateY(14px);
  animation: card-in 0.5s ease forwards;
}
@keyframes card-in { to { opacity: 1; transform: translateY(0); } }
.name-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--color-border-strong); }

.name-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.name-card-title { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }
.score-badge {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  flex-shrink: 0;
}
.score-high { background: rgba(31,169,127,0.12); color: var(--color-success); }
.score-mid { background: var(--color-amber-soft); color: #B5760E; }
[data-theme="dark"] .score-mid { color: var(--color-amber); }
.score-low { background: rgba(230,83,60,0.12); color: var(--color-danger); }

.name-card-meaning {
  font-size: 0.88rem;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-4);
  min-height: 2.6em;
}
.name-card-actions { display: flex; gap: var(--space-2); }
.icon-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background: var(--color-bg);
  display: grid;
  place-items: center;
  color: var(--color-ink-soft);
  transition: var(--transition);
  flex-shrink: 0;
}
.icon-btn svg { width: 16px; height: 16px; }
.icon-btn:hover { border-color: var(--color-violet); color: var(--color-violet); }
.icon-btn.is-active { color: var(--color-amber); border-color: var(--color-amber); }
.icon-btn.is-active svg { fill: var(--color-amber); }
.icon-btn.copied { color: var(--color-success); border-color: var(--color-success); }

.name-card-domains {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--color-border);
}
.domain-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: var(--color-bg-sunken);
  color: var(--color-ink-faint);
}
.domain-tag.taken { text-decoration: line-through; opacity: 0.5; }
.domain-tag.free { color: var(--color-success); }

.empty-state {
  text-align: center;
  padding: var(--space-8) var(--space-5);
  color: var(--color-ink-faint);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
}
.empty-state .empty-icon { font-size: 2.2rem; margin-bottom: var(--space-3); }

/* ==========================================================================
   Categories
   ========================================================================== */
.categories-section { padding: var(--space-9) 0; background: var(--color-bg-sunken); }
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.category-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-5);
  transition: var(--transition);
  cursor: pointer;
}
.category-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-violet);
  box-shadow: var(--shadow-md);
}
.category-icon {
  width: 46px; height: 46px;
  border-radius: var(--radius-sm);
  background: var(--gradient-signature);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  margin-bottom: var(--space-4);
}
.category-card h3 { font-size: 1.05rem; margin-bottom: var(--space-2); }
.category-card p { font-size: 0.85rem; color: var(--color-ink-faint); }

/* ==========================================================================
   Features
   ========================================================================== */
.features-section { padding: var(--space-9) 0; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.feature-card {
  padding: var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  transition: var(--transition);
}
.feature-card:hover { border-color: var(--color-violet); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.feature-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-violet);
  margin-bottom: var(--space-3);
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: var(--space-3); }
.feature-card p { font-size: 0.9rem; color: var(--color-ink-soft); }

/* ==========================================================================
   How it works / steps
   ========================================================================== */
.steps-section { padding: var(--space-9) 0; background: var(--color-bg-sunken); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  position: relative;
}
.step-card { text-align: center; }
.step-index {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--color-bg-elevated);
  border: 2px solid var(--color-violet);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-violet);
  margin: 0 auto var(--space-4);
}
.step-card h3 { font-size: 1.05rem; margin-bottom: var(--space-2); }
.step-card p { font-size: 0.88rem; color: var(--color-ink-faint); }

/* ==========================================================================
   Favorites / Recent (used on home + tool pages)
   ========================================================================== */
.utility-section { padding: var(--space-9) 0; }
.utility-tabs { display: flex; gap: var(--space-3); margin-bottom: var(--space-6); border-bottom: 1px solid var(--color-border); }
.utility-tab {
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  color: var(--color-ink-faint);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.utility-tab.active { color: var(--color-violet); border-color: var(--color-violet); }
.utility-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: var(--space-3); }
.utility-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  font-size: 0.9rem;
}
.utility-item button { background: none; border: none; color: var(--color-ink-faint); }
.utility-item button:hover { color: var(--color-danger); }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-section { padding: var(--space-9) 0; }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--color-ink);
}
.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: var(--transition);
  font-size: 1.1rem;
  color: var(--color-ink-faint);
}
.faq-item.open .faq-icon { transform: rotate(45deg); border-color: var(--color-violet); color: var(--color-violet); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}
.faq-item.open .faq-answer { max-height: 300px; padding-bottom: var(--space-5); }

/* ==========================================================================
   CTA Band
   ========================================================================== */
.cta-band {
  margin: var(--space-9) auto;
  max-width: var(--container-w);
  border-radius: var(--radius-lg);
  background: var(--gradient-signature);
  padding: var(--space-8);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: var(--space-3); }
.cta-band p { opacity: 0.92; margin-bottom: var(--space-6); }
.cta-band .btn-secondary { background: #fff; color: var(--color-violet-deep); border: none; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-bg-sunken);
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0 var(--space-5);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-7);
}
.footer-brand p { color: var(--color-ink-faint); font-size: 0.9rem; margin-top: var(--space-3); max-width: 32ch; }
.footer-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-ink-faint); margin-bottom: var(--space-4); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { font-size: 0.9rem; color: var(--color-ink-soft); transition: color var(--transition); }
.footer-col a:hover { color: var(--color-violet); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  font-size: 0.82rem;
  color: var(--color-ink-faint);
}
.social-row { display: flex; gap: var(--space-3); }
.social-row a {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  display: grid;
  place-items: center;
  transition: var(--transition);
}
.social-row a:hover { border-color: var(--color-violet); color: var(--color-violet); }
.social-row svg { width: 15px; height: 15px; }

/* ==========================================================================
   Toast
   ========================================================================== */
.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-ink);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ==========================================================================
   Inner / static pages
   ========================================================================== */
.page-hero {
  padding: var(--space-8) 0 var(--space-7);
  background-image: var(--gradient-mesh);
  text-align: center;
}
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: var(--space-3); }
.page-hero p { color: var(--color-ink-soft); max-width: 56ch; margin: 0 auto; }

.prose-section { padding: var(--space-8) 0 var(--space-9); }
.prose { max-width: 780px; margin: 0 auto; }
.prose h2 { font-size: 1.4rem; margin: var(--space-7) 0 var(--space-4); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.1rem; margin: var(--space-5) 0 var(--space-3); }
.prose p { color: var(--color-ink-soft); margin-bottom: var(--space-4); }
.prose ul { margin: 0 0 var(--space-4) 0; }
.prose li { color: var(--color-ink-soft); padding-left: var(--space-5); position: relative; margin-bottom: var(--space-2); }
.prose li::before { content: '—'; position: absolute; left: 0; color: var(--color-violet); }
.prose strong { color: var(--color-ink); }
.updated-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-ink-faint);
  background: var(--color-bg-sunken);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-5);
}

.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); margin: var(--space-7) 0; }
.value-card { padding: var(--space-5); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg-elevated); }
.value-card h3 { font-size: 1rem; margin-bottom: var(--space-2); }
.value-card p { font-size: 0.88rem; color: var(--color-ink-soft); margin: 0; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-7); align-items: start; }
.contact-info-card { background: var(--color-bg-elevated); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-6); }
.contact-info-row { display: flex; gap: var(--space-3); align-items: flex-start; margin-bottom: var(--space-5); }
.contact-info-row .icon-circle {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--color-violet-soft);
  display: grid; place-items: center;
  color: var(--color-violet);
  flex-shrink: 0;
}
.contact-info-row h4 { font-size: 0.92rem; margin-bottom: var(--space-1); }
.contact-info-row p { font-size: 0.86rem; color: var(--color-ink-faint); margin: 0; }
.form-success {
  display: none;
  background: rgba(31,169,127,0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-5);
  font-size: 0.9rem;
}
.form-success.show { display: block; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; gap: var(--space-7); }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links { 
    position: fixed; top: 73px; left: 0; right: 0;
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-5);
    gap: var(--space-4);
    transform: translateY(-130%);
    transition: transform var(--transition);
    z-index: 99;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: flex; }
  .style-grid { grid-template-columns: repeat(3, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-7); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .results-bar { flex-direction: column; align-items: flex-start; }
  .hero-stats { gap: var(--space-5); }
  .generator-panel { padding: var(--space-5); }
}

@media (max-width: 480px) {
  .style-grid { grid-template-columns: repeat(2, 1fr); }
  .gen-tabs { gap: var(--space-1); }
  .gen-tab { padding: 0.5rem 0.9rem; font-size: 0.82rem; }
}