/* ============================================
   CSS RESET & VARIABLES
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary: #0f1419;
  --bg-secondary: #121212;
  --bg-tertiary: #0d1117;
  --card-bg: #1a1f26;
  --card-bg-hover: #1e2530;
  --card-border: #2a3140;
  --card-border-hover: #3a4560;
  --accent: #7c3aed;
  --accent-hover: #6d28d9;
  --accent-glow: rgba(124, 58, 237, 0.35);
  --accent-subtle: rgba(124, 58, 237, 0.12);
  --text-primary: #e8eaed;
  --text-secondary: #9aa0a6;
  --text-muted: #6b7280;
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.1);
  --success-border: rgba(34, 197, 94, 0.3);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.1);
  --error-border: rgba(239, 68, 68, 0.3);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --warning-border: rgba(245, 158, 11, 0.3);
  --wc-color: #a855f7;
  --wc-bg: rgba(168, 85, 247, 0.1);
  --wc-border: rgba(168, 85, 247, 0.3);
  --gold: #fbbf24;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 4px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.6);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --transition: 0.2s ease;
  --transition-slow: 0.3s ease;
}

html { scroll-behavior: smooth; max-width: 100vw; overflow-x: hidden; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; height: auto; }

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 20, 25, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  padding: 0 2rem;
}

.navbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-primary);
  transition: opacity var(--transition);
}

.navbar-brand:hover { opacity: 0.85; color: var(--text-primary); }

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), #818cf8);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.navbar-brand img.site-logo-round {
  box-shadow:
    0 4px 18px rgba(124, 58, 237, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.06);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.navbar-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
}

.nav-cta {
  background: var(--accent) !important;
  color: white !important;
  padding: 8px 20px !important;
  border-radius: var(--radius-sm) !important;
  border-bottom: none !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 8px var(--accent-glow);
  transition: all var(--transition) !important;
}

.nav-cta:hover {
  background: var(--accent-hover) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  -webkit-tap-highlight-color: rgba(124, 58, 237, 0.25);
  touch-action: manipulation;
}

.mobile-menu-btn:hover { border-color: var(--accent); background: var(--accent-subtle); }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  padding: 6rem 2rem 5rem;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(180deg, #14082a 0%, var(--bg-primary) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.6;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-glow), transparent);
}

.hero-content {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-subtle);
  border: 1px solid rgba(59, 130, 246, 0.25);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.6s ease;
}

.hero h1 {
  font-size: 3.8rem;
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 1.2rem;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent) 0%, #818cf8 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s both;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  font-family: inherit;
  line-height: 1;
}

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: var(--accent-subtle);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-xs {
  padding: 6px 14px;
  font-size: 0.8rem;
  border-radius: 6px;
}

.btn-success {
  background: var(--success);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.btn-success:disabled {
  opacity: 1;
  background: #14532d;
  color: #bbf7d0;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-success:hover {
  background: #16a34a;
  transform: translateY(-2px);
}

.btn-wc {
  background: var(--wc-color);
  color: white;
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
}

.btn-wc:hover { background: #9333ea; transform: translateY(-2px); }

.btn-danger {
  background: var(--error);
  color: white;
}

.btn-danger:hover { background: #dc2626; }

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--card-border);
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 2.5rem 2rem;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
}

.stat-item { text-align: center; }

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
  text-align: center;
  padding: 3rem 2rem 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ============================================
   FILTER TABS
   ============================================ */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0 2rem 2rem;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--card-border);
  background: transparent;
  color: var(--text-secondary);
  transition: all var(--transition);
  font-family: inherit;
}

.filter-tab:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  background: var(--accent-subtle);
}

.filter-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.filter-tab.wc-tab.active {
  background: var(--wc-color);
  border-color: var(--wc-color);
  box-shadow: 0 2px 8px rgba(168, 85, 247, 0.3);
}

/* ============================================
   PRESET CARDS GRID
   ============================================ */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  padding: 0 2rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
}

.preset-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition-slow);
  position: relative;
}

.preset-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--accent-glow);
}

.preset-card.wc-card { border-color: rgba(168, 85, 247, 0.15); }
.preset-card.wc-card:hover { border-color: var(--wc-color); box-shadow: var(--shadow-lg), 0 0 0 1px var(--wc-border); }

.preset-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 2;
}

.badge-air {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.badge-wc {
  background: var(--wc-bg);
  color: var(--wc-color);
  border: 1px solid var(--wc-border);
}

.badge-popular {
  position: absolute;
  top: 12px;
  left: 12px;
  background: linear-gradient(135deg, var(--gold), #f97316);
  color: #000;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  z-index: 2;
  box-shadow: 0 2px 8px rgba(251, 191, 36, 0.3);
}

.preset-card-hero {
  height: 180px;
  background: linear-gradient(135deg, #1a2332 0%, #0f1923 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.preset-card-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 80%, var(--accent-glow), transparent 70%);
  opacity: 0.3;
}

.wc-card .preset-card-hero::before {
  background: radial-gradient(circle at 50% 80%, var(--wc-border), transparent 70%);
}

.preset-card-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(transparent, var(--card-bg));
}

.preset-card-body { padding: 1.5rem; }

.preset-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.preset-card-specs {
  list-style: none;
  margin-bottom: 1rem;
}

.preset-card-specs li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 3px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.preset-card-specs li::before {
  content: '▸';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.wc-card .preset-card-specs li::before { color: var(--wc-color); }

.preset-card-summary {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 1rem;
  padding-left: 1rem;
  border-left: 2px solid var(--card-border);
}

.preset-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--card-border);
  gap: 1rem;
}

.preset-price {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.preset-price .assembly-note {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.preset-card-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
  padding: 4rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.step-item {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.step-item:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.step-number {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent), #818cf8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0 auto 1rem;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.step-item h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.step-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--card-border);
  padding: 3rem 2rem 2rem;
  margin-top: 2rem;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer h4 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.footer p, .footer a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-links { list-style: none; }
.footer-links li { padding: 4px 0; }
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  max-width: 1400px;
  margin: 2rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--card-border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================
   BUILDER LAYOUT
   ============================================ */
.builder-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  max-width: 1400px;
  margin: 0 auto;
  min-height: calc(100vh - 64px);
}

.configurator { padding: 2rem; }

/* Step Indicator */
.step-indicator {
  display: flex;
  gap: 4px;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.step-dot {
  flex: 1;
  min-width: 40px;
  height: 6px;
  border-radius: 3px;
  background: var(--card-border);
  cursor: pointer;
  transition: all var(--transition-slow);
  position: relative;
}

.step-dot.active { background: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }
.step-dot.completed { background: var(--success); }
.step-dot:hover { background: var(--card-border-hover); }

.step-dot:hover::after {
  content: attr(data-label);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.7rem;
  white-space: nowrap;
  color: var(--text-primary);
  z-index: 10;
  box-shadow: var(--shadow-sm);
}

/* Step Content */
.step-content {
  display: none;
}

.step-content.active {
  display: block;
  animation: fadeInUp 0.3s ease;
}

.step-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.step-subtitle {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

/* Tier Filter within steps */
.tier-selector {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.tier-btn {
  padding: 7px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--card-border);
  background: transparent;
  color: var(--text-secondary);
  transition: all var(--transition);
  font-family: inherit;
}

.tier-btn:hover { border-color: var(--accent); color: var(--text-primary); }
.tier-btn.active { background: var(--accent); border-color: var(--accent); color: white; }

/* Parts Cards Grid */
.parts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.part-card {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}

.part-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  background: var(--card-bg-hover);
}

.part-card.selected {
  border-color: var(--success);
  background: rgba(34, 197, 94, 0.05);
  box-shadow: 0 0 0 1px var(--success-border);
}

.part-card.selected::after {
  content: '✓';
  position: absolute;
  top: 10px;
  right: 10px;
  width: 28px;
  height: 28px;
  background: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: white;
  box-shadow: 0 2px 8px rgba(34, 197, 94, 0.4);
}

.part-card.incompatible {
  opacity: 0.35;
  cursor: not-allowed;
  border-color: var(--card-border);
}

.part-card.incompatible:hover {
  transform: none;
  box-shadow: none;
  background: var(--card-bg);
}

.part-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.part-name {
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.3;
  flex: 1;
  padding-right: 2rem;
}

.part-price {
  font-weight: 800;
  font-size: 1.15rem;
  white-space: nowrap;
  color: #c4b5fd;
}

.part-spec-line {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.part-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.part-tag {
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  font-weight: 600;
}

.part-tag.socket { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.part-tag.ddr { background: var(--wc-bg); color: var(--wc-color); border: 1px solid var(--wc-border); }
.part-tag.tdp { background: var(--error-bg); color: var(--error); border: 1px solid var(--error-border); }
.part-tag.wattage { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }
.part-tag.gen { background: var(--accent-subtle); color: var(--accent); border: 1px solid rgba(124, 58, 237, 0.35); }
.part-tag.form { background: rgba(99,102,241,0.1); color: #818cf8; border: 1px solid rgba(99,102,241,0.3); }

/* Step Navigation */
.step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--card-border);
}

.build-page {
  --builder-cart-h: calc(3.25rem + env(safe-area-inset-bottom, 0px));
  --builder-nav-h: 4.25rem;
}

.build-page .step-nav .btn {
  min-height: 44px;
  white-space: nowrap;
}

.build-page .step-nav #nextBtn {
  font-weight: 700;
}

.build-page .step-nav #nextBtn.step-nav-ready {
  box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.45), 0 4px 14px rgba(124, 58, 237, 0.35);
}

.step-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
}

/* Selected Part Info Bar */
.selected-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.selected-info .check { color: var(--success); font-size: 1.2rem; }
.selected-info .name { font-weight: 600; flex: 1; }
.selected-info .price { margin-left: auto; font-weight: 700; color: var(--accent); }
.selected-info .remove-sel {
  background: none; border: none; color: var(--error);
  cursor: pointer; font-size: 1rem; padding: 4px 8px;
  opacity: 0.6; transition: opacity var(--transition);
}
.selected-info .remove-sel:hover { opacity: 1; }

/* PSU Recommendation */
.psu-rec {
  padding: 14px 18px;
  background: var(--accent-subtle);
  border: 1px solid rgba(124, 58, 237, 0.35);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.9rem;
  line-height: 1.6;
}

.psu-rec strong { color: var(--accent); }

/* Skip link */
.skip-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  text-decoration: underline;
  font-family: inherit;
  transition: color var(--transition);
}

.skip-btn:hover { color: var(--text-secondary); }

/* No parts found */
.no-parts {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.no-parts .icon { font-size: 3rem; margin-bottom: 0.5rem; }

/* ============================================
   BASKET SIDEBAR
   ============================================ */
.basket-sidebar {
  background: var(--bg-tertiary);
  border-left: 1px solid var(--card-border);
  padding: 1.5rem;
  overflow-y: auto;
  max-height: calc(100vh - 64px);
  position: sticky;
  top: 64px;
}

.basket-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.basket-close-mobile {
  display: none;
}

.basket-count {
  background: var(--accent);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.basket-empty {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.basket-empty .empty-icon { font-size: 3rem; margin-bottom: 0.75rem; display: block; }

.basket-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--card-border);
  font-size: 0.85rem;
  gap: 8px;
}

.basket-item-info { flex: 1; min-width: 0; }

.basket-item-name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.85rem;
}

.basket-item-cat {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.basket-item-price {
  font-weight: 700;
  white-space: nowrap;
  margin: 0 8px;
  color: var(--text-primary);
}

.basket-item-remove {
  background: none;
  border: none;
  color: var(--error);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
  opacity: 0.5;
  transition: opacity var(--transition);
  flex-shrink: 0;
}

.basket-item-remove:hover { opacity: 1; }

.basket-divider {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--card-border);
  font-size: 0.9rem;
}

.basket-divider .label { color: var(--text-secondary); }
.basket-divider .value { font-weight: 700; }

.sidebar-compat {
  margin-top: 0.75rem;
  font-size: 0.78rem;
}

.sidebar-compat ul {
  margin: 0.35rem 0 0;
  padding-left: 1.1rem;
}

.compat-warn-list {
  margin-top: 0.5rem;
  font-size: 0.75rem;
}

.catalog-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0.75rem 0 0;
  padding: 0.5rem 0.65rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
}

.copy-quote-btn {
  width: 100%;
  margin-top: 0.75rem;
  font-size: 0.9rem;
}

.part-search-wrap {
  margin-bottom: 1rem;
}

.part-search {
  width: 100%;
  max-width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
}

.part-search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(var(--accent-rgb, 99, 102, 241), 0.2);
}

.basket-total {
  display: flex;
  justify-content: space-between;
  padding: 16px 0;
  font-size: 1.3rem;
  font-weight: 800;
  border-top: 2px solid var(--accent);
  margin-top: 0.5rem;
}

/* Compat status in sidebar */
.compat-status {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  margin: 1rem 0;
  font-size: 0.82rem;
  line-height: 1.5;
}

.compat-status.ok { background: var(--success-bg); border: 1px solid var(--success-border); color: var(--success); }
.compat-status.error { background: var(--error-bg); border: 1px solid var(--error-border); color: var(--error); }
.compat-status.warning { background: var(--warning-bg); border: 1px solid var(--warning-border); color: var(--warning); }
.compat-status ul { list-style: none; margin-top: 4px; }
.compat-status li::before { content: '⚠ '; }
.compat-status.ok li::before { content: '✓ '; }

/* Add-ons */
.addons-section {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--card-border);
}

.addons-title {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.addon-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.85rem;
}

.addon-item input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.addon-item label { cursor: pointer; flex: 1; }
.addon-price { font-weight: 700; white-space: nowrap; color: var(--text-secondary); }

/* Email Section */
.email-section {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--card-border);
}

.email-section h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.form-group { margin-bottom: 0.75rem; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea { resize: vertical; min-height: 70px; }

.email-btn {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  margin-top: 0.75rem;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  backdrop-filter: blur(4px);
}

.modal-overlay.show { display: flex; }

.modal {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  max-width: 500px;
  width: 100%;
  text-align: center;
  animation: modalIn 0.3s ease;
}

.modal-icon { font-size: 4rem; margin-bottom: 1rem; }
.modal h2 { font-size: 1.5rem; margin-bottom: 0.75rem; }
.modal p { color: var(--text-secondary); margin-bottom: 1.5rem; line-height: 1.6; }

/* ============================================
   LOADING
   ============================================ */
.loading {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-muted);
}

.loading .spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--card-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem;
}

/* ============================================
   BUILD SUMMARY (Final step)
   ============================================ */
.build-summary {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.build-summary h3 { font-size: 1.1rem; margin-bottom: 1rem; }

.build-summary-line {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--card-border);
  font-size: 0.9rem;
}

.build-summary-line:last-child { border-bottom: none; }
.build-summary-line .label { color: var(--text-secondary); text-transform: capitalize; }
.build-summary-line .value { font-weight: 600; text-align: right; max-width: 60%; }
.build-summary-line.total {
  font-size: 1.25rem;
  font-weight: 800;
  border-top: 2px solid var(--accent);
  border-bottom: none;
  padding-top: 14px;
  margin-top: 4px;
}

/* ============================================
   BRAND CHIPS (on parts + presets)
   ============================================ */
.brand-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0.6rem 0 0.9rem;
}

.part-card-brand {
  margin: 6px 0 8px;
}

.brand-chip {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  color: var(--text-primary);
  text-transform: uppercase;
  white-space: nowrap;
}

/* Brand-specific colours (chip variants) */
.brand-chip.brand-intel       { background: rgba(0,113,206,0.18);  border-color: rgba(0,113,206,0.55);  color:#7cc1ff; }
.brand-chip.brand-amd         { background: rgba(237,28,36,0.18);  border-color: rgba(237,28,36,0.55);  color:#ff8a8e; }
.brand-chip.brand-nvidia      { background: rgba(118,185,0,0.18);  border-color: rgba(118,185,0,0.55);  color:#b8ec5b; }
.brand-chip.brand-asus,
.brand-chip.brand-asus-tuf,
.brand-chip.brand-asus-prime  { background: rgba(0,143,213,0.18);  border-color: rgba(0,143,213,0.55);  color:#7fd0ff; }
.brand-chip.brand-rog-strix   {
  background: linear-gradient(135deg, rgba(255,0,80,0.22), rgba(80,0,120,0.22));
  border-color: rgba(255,40,80,0.6);
  color:#ffb0c1;
  box-shadow: 0 0 0 1px rgba(255,40,80,0.18);
}
.brand-chip.brand-msi         { background: rgba(255,28,40,0.18);  border-color: rgba(255,28,40,0.55);  color:#ff9aa1; }
.brand-chip.brand-gigabyte    { background: rgba(196,30,58,0.18);  border-color: rgba(196,30,58,0.55);  color:#ff9aa6; }
.brand-chip.brand-asrock      { background: rgba(255,140,0,0.18);  border-color: rgba(255,140,0,0.55);  color:#ffc483; }
.brand-chip.brand-corsair     { background: rgba(255,255,255,0.10); border-color: rgba(255,255,255,0.28); color:#e8eaed; }
.brand-chip.brand-gskill      { background: rgba(204,33,33,0.18);  border-color: rgba(204,33,33,0.55);  color:#ff9696; }
.brand-chip.brand-kingston    { background: rgba(216,30,30,0.18);  border-color: rgba(216,30,30,0.55);  color:#ff9696; }
.brand-chip.brand-crucial     { background: rgba(82,150,0,0.18);   border-color: rgba(82,150,0,0.55);   color:#b6e07c; }
.brand-chip.brand-samsung     { background: rgba(20,40,160,0.22);  border-color: rgba(20,40,160,0.55);  color:#a0b8ff; }
.brand-chip.brand-wd          { background: rgba(0,0,0,0.45);      border-color: rgba(255,255,255,0.28); color:#e8eaed; }
.brand-chip.brand-seagate     { background: rgba(132,178,46,0.18); border-color: rgba(132,178,46,0.55); color:#caea7e; }
.brand-chip.brand-seasonic    { background: rgba(0,90,160,0.18);   border-color: rgba(0,90,160,0.55);   color:#7cc1ff; }
.brand-chip.brand-bequiet     { background: rgba(254,200,0,0.18);  border-color: rgba(254,200,0,0.55);  color:#ffe07c; }
.brand-chip.brand-nzxt        { background: rgba(180,30,210,0.18); border-color: rgba(180,30,210,0.55); color:#e69bff; }
.brand-chip.brand-lianli      { background: rgba(0,184,193,0.18);  border-color: rgba(0,184,193,0.55);  color:#7be5eb; }
.brand-chip.brand-fractal     { background: rgba(120,120,120,0.22); border-color: rgba(180,180,180,0.4); color:#dadde2; }
.brand-chip.brand-coolermaster{ background: rgba(150,30,30,0.18);  border-color: rgba(150,30,30,0.55);  color:#ff9d9d; }
.brand-chip.brand-deepcool    { background: rgba(0,100,180,0.18);  border-color: rgba(0,100,180,0.55);  color:#86c3ff; }
.brand-chip.brand-noctua      { background: rgba(165,90,50,0.22);  border-color: rgba(165,90,50,0.55);  color:#ffb98a; }
.brand-chip.brand-arctic      { background: rgba(110,180,230,0.18); border-color: rgba(110,180,230,0.55); color:#a2d4f7; }
.brand-chip.brand-phanteks    { background: rgba(255,140,0,0.18);  border-color: rgba(255,140,0,0.55);  color:#ffc483; }
.brand-chip.brand-thermaltake { background: rgba(220,30,40,0.18);  border-color: rgba(220,30,40,0.55);  color:#ff9aa1; }
.brand-chip.brand-ek          { background: rgba(0,144,179,0.18);  border-color: rgba(0,144,179,0.55);  color:#7fd0ff; }
.brand-chip.brand-bykski      { background: rgba(95,40,180,0.22);  border-color: rgba(95,40,180,0.55);  color:#bda1ff; }
.brand-chip.brand-alphacool   { background: rgba(0,90,200,0.18);   border-color: rgba(0,90,200,0.55);   color:#9cc4ff; }
.brand-chip.brand-microsoft   { background: rgba(64,64,200,0.18);  border-color: rgba(64,64,200,0.55);  color:#a8b6ff; }

/* ============================================
   TRUSTED BRANDS STRIP (homepage)
   ============================================ */
.brands-strip {
  max-width: 1400px;
  margin: 1rem auto 0;
  padding: 2rem;
  text-align: center;
}

.brands-strip-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.brands-strip-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  font-weight: 800;
  font-size: 0.95rem;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  letter-spacing: 0.5px;
  transition: transform var(--transition), border-color var(--transition);
}

.brand-logo:hover { transform: translateY(-2px); border-color: var(--card-border-hover); }

.brand-logo.brand-intel       { color:#7cc1ff; border-color: rgba(0,113,206,0.45); }
.brand-logo.brand-amd         { color:#ff8a8e; border-color: rgba(237,28,36,0.45); }
.brand-logo.brand-nvidia      { color:#b8ec5b; border-color: rgba(118,185,0,0.45); }
.brand-logo.brand-asus        { color:#7fd0ff; border-color: rgba(0,143,213,0.45); }
.brand-logo.brand-rog-strix   {
  color:#ffb0c1;
  background: linear-gradient(135deg, rgba(255,0,80,0.18), rgba(80,0,120,0.18));
  border-color: rgba(255,40,80,0.55);
  box-shadow: 0 0 18px rgba(255,40,80,0.15);
}
.brand-logo.brand-msi         { color:#ff9aa1; border-color: rgba(255,28,40,0.45); }
.brand-logo.brand-gigabyte    { color:#ff9aa6; border-color: rgba(196,30,58,0.45); }
.brand-logo.brand-corsair     { color:#e8eaed; border-color: rgba(255,255,255,0.22); }
.brand-logo.brand-samsung     { color:#a0b8ff; border-color: rgba(20,40,160,0.45); }
.brand-logo.brand-noctua      { color:#ffb98a; border-color: rgba(165,90,50,0.45); }
.brand-logo.brand-lianli      { color:#7be5eb; border-color: rgba(0,184,193,0.45); }
.brand-logo.brand-bequiet     { color:#ffe07c; border-color: rgba(254,200,0,0.45); }

/* ============================================
   PARTS LIBRARY TILES
   ============================================ */
.parts-library {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2.5rem 2rem 1rem;
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  padding: 0 2rem;
  max-width: 1280px;
  margin: 0 auto;
}

.library-tile {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  text-align: center;
  color: var(--text-primary);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.library-tile:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 8px 28px rgba(124,58,237,0.20);
  color: var(--text-primary);
}

.library-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.library-tile-name { font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; }
.library-tile-count { font-size: 0.85rem; color: #c4b5fd; font-weight: 700; margin-bottom: 0.4rem; }
.library-tile-brands { font-size: 0.72rem; color: var(--text-muted); letter-spacing: 0.3px; }

/* ============================================
   FEATURED ROG STRIX AD
   ============================================ */
.featured-rog {
  max-width: 1400px;
  margin: 3rem auto 0;
  padding: 0 2rem;
}

.featured-rog-inner {
  background: linear-gradient(135deg, #1b0d1c 0%, #14080f 50%, #1b0820 100%);
  border: 1px solid rgba(255,40,80,0.35);
  border-radius: 20px;
  padding: 3rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.featured-rog-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 90% 10%, rgba(255,40,80,0.20), transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(140,40,200,0.18), transparent 55%);
  pointer-events: none;
}

.featured-rog-left, .featured-rog-right { position: relative; z-index: 1; }

.featured-rog-eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,40,80,0.15);
  border: 1px solid rgba(255,40,80,0.55);
  color: #ffb0c1;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.featured-rog-left h2 {
  font-size: 2.4rem;
  line-height: 1.1;
  margin-bottom: 0.75rem;
  font-weight: 900;
}

.featured-rog-left h2 span {
  background: linear-gradient(135deg, #ff3a6b, #c52a96);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.featured-rog-left > p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  max-width: 540px;
}

.featured-rog-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1.5rem;
  margin-bottom: 1.5rem;
}

.featured-rog-points .point {
  font-size: 0.9rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.featured-rog-points .point span {
  color: #ff3a6b;
  font-weight: 800;
}

.featured-rog-right { display: flex; justify-content: center; }

.rog-logo-card {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 40%, #2a0a1a 0%, #150510 60%, #000 100%);
  border: 2px solid rgba(255,40,80,0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 50px rgba(255,40,80,0.35),
    inset 0 0 30px rgba(255,40,80,0.15);
  animation: rogPulse 3.5s ease-in-out infinite;
}

.rog-eye {
  font-size: 3.2rem;
  filter: drop-shadow(0 0 12px rgba(255,40,80,0.6));
  margin-bottom: 6px;
}

.rog-text {
  font-weight: 900;
  font-size: 1.6rem;
  letter-spacing: 4px;
  text-align: center;
  background: linear-gradient(135deg, #ff3a6b, #ff8aa3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.rog-text span {
  font-size: 1.0rem;
  letter-spacing: 6px;
}

@keyframes rogPulse {
  0%, 100% { box-shadow: 0 0 40px rgba(255,40,80,0.25), inset 0 0 30px rgba(255,40,80,0.15); }
  50%      { box-shadow: 0 0 70px rgba(255,40,80,0.45), inset 0 0 35px rgba(255,40,80,0.25); }
}

/* ============================================
   REPAIRS SECTION
   ============================================ */
.repairs {
  max-width: 1400px;
  margin: 3rem auto 0;
  padding: 0 2rem 2rem;
}

.repairs-inner {
  background:
    linear-gradient(135deg, rgba(34,197,94,0.06), rgba(124,58,237,0.06)),
    var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.repairs-inner::before {
  content: '';
  position: absolute;
  top: -120px; right: -80px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34,197,94,0.18), transparent 70%);
  pointer-events: none;
}

.repairs-eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(34,197,94,0.15);
  border: 1px solid rgba(34,197,94,0.45);
  color: #6ee7a1;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.repairs h2 {
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
  line-height: 1.1;
  position: relative;
  z-index: 1;
}

.repairs h2 span {
  background: linear-gradient(135deg, #22c55e, #4ade80);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.repairs-lede {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.repairs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.repair-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.4rem 1.25rem;
  transition: border-color var(--transition), transform var(--transition);
}

.repair-card:hover {
  border-color: rgba(34,197,94,0.6);
  transform: translateY(-2px);
}

.repair-icon { font-size: 1.8rem; margin-bottom: 0.5rem; }
.repair-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.repair-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.5; }

.repairs-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}

.repairs-fineprint {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

/* ============================================
   RESET BUILD BUTTON (basket sidebar)
   ============================================ */
.btn-reset-build {
  width: 100%;
  margin-top: 8px;
  padding: 8px 12px;
  background: transparent;
  border: 1px dashed var(--card-border);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color var(--transition), border-color var(--transition);
}

.btn-reset-build:hover {
  color: var(--error);
  border-color: var(--error);
}

.email-hint {
  margin: 0.5rem 0 0;
  font-size: 0.75rem;
  color: var(--warning);
  text-align: center;
}

.deferred-hint {
  background: rgba(124, 58, 237, 0.10);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin: 0 0 1rem;
  color: var(--text-primary);
  font-size: 0.92rem;
  line-height: 1.5;
}

.deferred-hint strong { color: var(--accent); }

/* ============================================
   HERO TRUST PILLS
   ============================================ */
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 1.75rem 0 2rem;
}

.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}

.trust-pill .trust-stars {
  color: var(--gold);
  font-size: 0.95rem;
  letter-spacing: 1px;
}

.trust-pill .trust-icon {
  font-size: 1rem;
}

/* ============================================
   WHY BOBBY SECTION
   ============================================ */
.why-bobby {
  max-width: 1400px;
  margin: 0 auto;
  padding: 3rem 2rem 1rem;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.25rem;
  padding: 0 2rem;
  max-width: 1280px;
  margin: 0 auto;
}

.why-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: transform var(--transition), border-color var(--transition);
}

.why-card:hover {
  transform: translateY(-3px);
  border-color: var(--card-border-hover);
}

.why-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  display: inline-block;
}

.why-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.why-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
}

.why-card p a {
  color: #7dd3fc;
  font-weight: 600;
}

.why-card p a:hover {
  color: #bae6fd;
}

.why-card p strong {
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .why-bobby { padding: 2rem 1rem 0.5rem; }
  .why-grid { padding: 0 1rem; grid-template-columns: 1fr; }
  .hero-trust { gap: 8px; }
  .trust-pill { padding: 6px 12px; font-size: 0.78rem; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-15px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes modalIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }

/* Mobile basket toggle */
.basket-toggle { display: none; }

@media (min-width: 769px) {
  .build-page .step-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 997;
    margin-top: 0;
    padding: 0.75rem max(1.5rem, calc((100vw - 1400px) / 2 + 1.5rem));
    background: rgba(10, 16, 24, 0.97);
    border-top: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    box-shadow: 0 -2px 14px rgba(0, 0, 0, 0.35);
  }

  .build-page .configurator {
    padding-bottom: calc(var(--builder-nav-h) + 1.25rem);
  }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .presets-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
  .builder-layout { grid-template-columns: 1fr 340px; }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.4rem; }
  .hero p { font-size: 1rem; }
  .hero { padding: 4rem 1.5rem 3rem; }

  .navbar { padding: 0 1rem; padding-top: env(safe-area-inset-top, 0px); }
  .navbar-links { display: none; }
  .navbar-links.show-mobile {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(64px + env(safe-area-inset-top, 0px));
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem;
    gap: 0.5rem;
    max-height: calc(100vh - 64px - env(safe-area-inset-top, 0px));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .navbar-links.show-mobile a {
    min-height: 44px;
    display: flex;
    align-items: center;
    padding: 0.35rem 0.5rem;
  }
  .mobile-menu-btn {
    display: block;
    min-width: 44px;
    min-height: 44px;
  }

  .form-group input,
  .form-group textarea,
  .form-group select,
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="search"],
  select,
  textarea {
    font-size: 16px;
  }

  .presets-grid { grid-template-columns: 1fr; padding: 0 1rem 3rem; }
  .stats-bar { gap: 1.5rem; }
  .stat-value { font-size: 1.5rem; }
  .section-header h2 { font-size: 1.7rem; }
  .section-header { padding: 2rem 1rem 1.5rem; }
  .filter-tabs { padding: 0 1rem 1.5rem; }

  .builder-layout {
    grid-template-columns: 1fr;
  }
  .basket-sidebar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    max-height: min(65vh, calc(100dvh - 64px - env(safe-area-inset-top, 0px)));
    border-left: none;
    border-top: 1px solid var(--card-border);
    transform: translateY(100%);
    transition: transform var(--transition-slow);
    z-index: 999;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.5);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
  .basket-sidebar.open { transform: translateY(0); }
  .basket-toggle {
    display: flex !important;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 998;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 16px calc(14px + env(safe-area-inset-bottom, 0px));
    background: var(--accent);
    color: white;
    font-weight: 700;
    cursor: pointer;
    border: none;
    width: 100%;
    font-size: 0.95rem;
    font-family: inherit;
    border-radius: 0;
    box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.35);
  }
  body.build-page:has(.basket-sidebar.open) .basket-toggle {
    display: none !important;
  }
  .basket-close-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    font-family: inherit;
  }
  .configurator {
    padding-bottom: calc(var(--builder-cart-h) + var(--builder-nav-h) + 1rem);
  }
  .build-page .step-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: var(--builder-cart-h);
    z-index: 997;
    margin-top: 0;
    padding: 0.65rem 0.85rem;
    background: rgba(10, 16, 24, 0.97);
    border-top: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    box-shadow: 0 -2px 14px rgba(0, 0, 0, 0.35);
  }
  .build-page .step-nav .btn {
    flex: 1;
    justify-content: center;
    padding-left: 0.65rem;
    padding-right: 0.65rem;
    font-size: 0.82rem;
  }
  .build-page .step-nav #nextBtn {
    flex: 1.35;
  }
  .build-page .step-label {
    flex: 0 0 auto;
    font-size: 0.72rem;
    text-align: center;
    min-width: 4.5rem;
  }
  body.build-page:has(.basket-sidebar.open) .step-nav {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.9rem; }
  .parts-grid { grid-template-columns: 1fr; }
  .step-title { font-size: 1.3rem; }
  .configurator {
    padding: 1rem;
    padding-bottom: calc(var(--builder-cart-h) + var(--builder-nav-h) + 1rem);
  }
  .preset-card-footer { flex-direction: column; align-items: flex-start; }
  .preset-card-actions { width: 100%; }
  .preset-card-actions .btn { flex: 1; justify-content: center; }
}

/* ============================================
   RESPONSIVE — new sections
   ============================================ */
@media (max-width: 880px) {
  .featured-rog-inner {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem;
    text-align: center;
  }
  .featured-rog-left h2 { font-size: 1.9rem; }
  .featured-rog-points { grid-template-columns: 1fr; text-align: left; max-width: 380px; margin-inline: auto; }
  .rog-logo-card { width: 180px; height: 180px; }
  .rog-eye { font-size: 2.6rem; }
  .rog-text { font-size: 1.3rem; }
  .rog-text span { font-size: 0.85rem; }

  .repairs-inner { padding: 2rem 1.25rem; }
  .repairs h2 { font-size: 1.7rem; }
  .parts-library, .brands-strip, .repairs, .featured-rog { padding-left: 1rem; padding-right: 1rem; }
  .library-grid { padding: 0; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .library-tile { padding: 1.2rem 0.75rem; }
  .library-tile-brands { display: none; }
  .brands-strip-row { gap: 0.5rem; }
  .brand-logo { font-size: 0.78rem; padding: 7px 12px; }
}

.site-contact-phones {
  margin-top: 0.5rem;
  font-size: 0.88rem;
  line-height: 1.6;
}

.site-contact-phones a {
  color: var(--accent);
  font-weight: 600;
}

.repair-page .site-contact-phones a {
  color: var(--repair-accent, var(--accent));
}

.build-phones {
  text-align: center;
  font-size: 0.78rem;
  margin-top: 0.65rem;
}