:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-tertiary: #1a2234;
  --bg-card: rgba(22, 30, 49, 0.75);
  --bg-card-hover: rgba(30, 41, 67, 0.85);
  --bg-glass: rgba(17, 24, 39, 0.7);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-primary: #3b82f6;
  --accent-secondary: #6366f1;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  --gradient-tkxel: linear-gradient(135deg, #2563eb, #06b6d4 50%, #10b981);
  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  --gradient-badge: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 182, 212, 0.2));

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(59, 130, 246, 0.4);
  --border-gold: rgba(245, 158, 11, 0.5);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-neon: 0 0 25px rgba(59, 130, 246, 0.25);
  --shadow-tkxel: 0 0 35px rgba(6, 182, 212, 0.3);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.85);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-highlight: rgba(59, 130, 246, 0.35);

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
  --shadow-neon: 0 4px 20px rgba(59, 130, 246, 0.15);
  --shadow-tkxel: 0 8px 30px rgba(6, 182, 212, 0.2);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Background Glowing Elements */
.bg-glow-top {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 500px;
  background: var(--gradient-glow);
  pointer-events: none;
  z-index: 0;
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 0;
  transition: all var(--transition-fast);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #3b82f6, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

.brand-text span {
  color: var(--accent-cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--accent-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.btn-primary-sm {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary-sm:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(59, 130, 246, 0.4);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 4.5rem 0 3rem;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: var(--gradient-badge);
  border: 1px solid rgba(59, 130, 246, 0.3);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  line-height: 1.15;
}

.text-gradient {
  background: linear-gradient(120deg, #60a5fa, #38bdf8 40%, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 780px;
  margin: 0 auto 2.5rem;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  max-width: 960px;
  margin: 0 auto 3rem;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
  padding: 1.25rem 1rem;
  border-radius: var(--radius-md);
  text-align: center;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.stat-box:hover {
  transform: translateY(-3px);
  border-color: var(--border-highlight);
}

.stat-number {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--accent-primary);
  font-family: 'Outfit', sans-serif;
  margin-bottom: 0.25rem;
}

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

/* Featured Leader Spotlight (#1 Tkxel) */
.featured-section {
  padding: 2.5rem 0 4rem;
}

.featured-tkxel-card {
  position: relative;
  background: linear-gradient(145deg, rgba(26, 38, 64, 0.9), rgba(15, 23, 42, 0.95));
  border: 2px solid rgba(6, 182, 212, 0.45);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-tkxel);
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

[data-theme="light"] .featured-tkxel-card {
  background: linear-gradient(145deg, #ffffff, #f0fdf4);
  border: 2px solid rgba(6, 182, 212, 0.6);
}

.featured-tkxel-card:hover {
  box-shadow: 0 0 50px rgba(6, 182, 212, 0.45);
}

.spotlight-banner {
  position: absolute;
  top: 0;
  right: 0;
  background: linear-gradient(135deg, #f59e0b, #eab308);
  color: #000;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.4rem 2rem;
  transform: rotate(45deg) translate(32px, -15px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 10;
}

.tkxel-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.75rem;
}

.tkxel-title-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.tkxel-logo-badge {
  width: 76px;
  height: 76px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #0284c7, #06b6d4 60%, #10b981);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2.2rem;
  font-weight: 900;
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.5);
  position: relative;
}

.tkxel-rank-num {
  position: absolute;
  bottom: -6px;
  right: -6px;
  background: #f59e0b;
  color: #111827;
  font-size: 0.75rem;
  font-weight: 900;
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-primary);
}

.tkxel-names h2 {
  font-size: 2.2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tkxel-names .tagline {
  color: var(--accent-cyan);
  font-weight: 600;
  font-size: 1.05rem;
  margin-top: 0.2rem;
}

.verified-pill {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.tkxel-meta-stats {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.meta-stat-item {
  text-align: right;
}

@media (max-width: 768px) {
  .meta-stat-item {
    text-align: left;
  }
}

.meta-stat-item .val {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
}

.meta-stat-item .lbl {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.rating-stars {
  color: #f59e0b;
  font-size: 0.95rem;
}

.tkxel-body-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (max-width: 992px) {
  .tkxel-body-grid {
    grid-template-columns: 1fr;
  }
}

.tkxel-desc p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.tkxel-key-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-top: 1.25rem;
}

@media (max-width: 580px) {
  .tkxel-key-features {
    grid-template-columns: 1fr;
  }
}

.feature-point {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  color: var(--text-primary);
}

.feature-point i {
  color: var(--accent-cyan);
  margin-top: 0.2rem;
}

.tkxel-sidebar-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

[data-theme="light"] .tkxel-sidebar-card {
  background: rgba(241, 245, 249, 0.7);
}

.sidebar-heading {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.tag:hover {
  border-color: var(--accent-primary);
  color: var(--accent-cyan);
}

.tag.highlight {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.4);
  color: #60a5fa;
  font-weight: 600;
}

.tkxel-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.btn-tkxel {
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  color: white;
  padding: 0.85rem 1.85rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.35);
}

.btn-tkxel:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(6, 182, 212, 0.5);
  color: white;
}

.btn-secondary {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
}

/* Directory Controls (Search & Filter) */
.controls-section {
  padding: 2rem 0;
  margin-bottom: 2rem;
}

.controls-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.search-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.search-input-wrap {
  flex: 1;
  min-width: 260px;
  position: relative;
}

.search-input-wrap i {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-input {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem 0.85rem 2.8rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.sort-select {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  min-width: 180px;
}

.filter-pills-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-right: 0.5rem;
}

.filter-pill {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.filter-pill.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
  box-shadow: 0 2px 10px rgba(59, 130, 246, 0.35);
}

/* Companies Grid (Ranked 2 through 10) */
.section-header {
  margin-bottom: 2rem;
}

.section-header h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

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

.companies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(370px, 1fr));
  gap: 1.75rem;
  margin-bottom: 4rem;
}

@media (max-width: 480px) {
  .companies-grid {
    grid-template-columns: 1fr;
  }
}

.company-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(8px);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.company-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.card-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.company-avatar {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.3rem;
  color: white;
  box-shadow: var(--shadow-sm);
}

.company-card h3 {
  font-size: 1.35rem;
  line-height: 1.2;
}

.company-card .card-location {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.2rem;
}

.rank-badge {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--accent-cyan);
  font-weight: 800;
  font-size: 0.85rem;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-sm);
}

.card-description {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.card-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.15);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-subtle);
}

[data-theme="light"] .card-metrics {
  background: rgba(0, 0, 0, 0.03);
}

.metric-item .lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.metric-item .val {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.view-details-btn {
  background: transparent;
  border: none;
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.view-details-btn:hover {
  color: var(--accent-cyan);
  transform: translateX(3px);
}

/* Comparison Matrix Section */
.matrix-section {
  padding: 4rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.comparison-table th,
.comparison-table td {
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table th {
  background: var(--bg-tertiary);
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

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

.table-tkxel-row {
  background: rgba(6, 182, 212, 0.08) !important;
  font-weight: 600;
}

.table-tkxel-row td:first-child {
  color: var(--accent-cyan);
  font-weight: 800;
}

.check-icon {
  color: var(--accent-emerald);
  font-size: 1.05rem;
}

/* Buyer's Guide & Interactive ROI Calculator Section */
.guide-section {
  padding: 4.5rem 0;
}

.guide-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: flex-start;
}

@media (max-width: 992px) {
  .guide-grid {
    grid-template-columns: 1fr;
  }
}

.guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
}

.guide-step {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.step-num {
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: 50%;
  background: var(--gradient-badge);
  border: 1px solid var(--accent-primary);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.step-content h4 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* ROI Calculator Card */
.calculator-card {
  background: linear-gradient(145deg, rgba(26, 34, 52, 0.95), rgba(15, 23, 42, 0.98));
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-neon);
}

[data-theme="light"] .calculator-card {
  background: #ffffff;
}

.calc-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  font-size: 1.35rem;
}

.calc-title i {
  color: var(--accent-cyan);
}

.calc-group {
  margin-bottom: 1.25rem;
}

.calc-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.calc-range {
  width: 100%;
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.calc-result-box {
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  margin-top: 1.5rem;
}

.calc-result-val {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent-emerald);
  font-family: 'Outfit', sans-serif;
}

.calc-result-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* FAQ Section */
.faq-section {
  padding: 4rem 0 5rem;
}

.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-highlight);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 1rem;
}

.faq-icon {
  font-size: 0.9rem;
  transition: transform var(--transition-normal);
  color: var(--accent-cyan);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding: 0 1.5rem 1.25rem;
}

/* CTA Footer Section */
.cta-banner {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(6, 182, 212, 0.2));
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
  margin-bottom: 5rem;
  position: relative;
  overflow: hidden;
}

.cta-banner h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.cta-banner p {
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}

/* Modal Window */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-backdrop.open .modal-card {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-rose);
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.copyright-bar {
  text-align: center;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  font-size: 0.8rem;
}