/* ============================================
   AIWebBuilderHQ — Design System
   Modern, Minimalist, Dark Mode Ready
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors — Light Mode */
  --color-bg: #FFFFFF;
  --color-bg-secondary: #F8FAFC;
  --color-bg-tertiary: #F1F5F9;
  --color-surface: #FFFFFF;
  --color-surface-hover: #F8FAFC;
  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;
  --color-text-primary: #0F172A;
  --color-text-secondary: #475569;
  --color-text-tertiary: #94A3B8;
  --color-text-inverse: #FFFFFF;
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-light: #DBEAFE;
  --color-primary-subtle: #EFF6FF;
  --color-accent: #10B981;
  --color-accent-hover: #059669;
  --color-accent-light: #D1FAE5;
  --color-warning: #F59E0B;
  --color-warning-light: #FEF3C7;
  --color-danger: #EF4444;
  --color-danger-light: #FEE2E2;
  --color-star: #FBBF24;
  --color-ad-bg: #F8FAFC;
  --color-ad-border: #E2E8F0;
  --color-code-bg: #F1F5F9;
  --color-shadow: rgba(15, 23, 42, 0.08);
  --color-shadow-lg: rgba(15, 23, 42, 0.12);
  --color-overlay: rgba(15, 23, 42, 0.5);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --line-height-tight: 1.25;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;

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

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --max-width-wide: 1400px;
  --header-height: 72px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* --- Dark Mode --- */
[data-theme="dark"] {
  --color-bg: #0B1120;
  --color-bg-secondary: #111827;
  --color-bg-tertiary: #1E293B;
  --color-surface: #1E293B;
  --color-surface-hover: #253349;
  --color-border: #334155;
  --color-border-light: #1E293B;
  --color-text-primary: #F1F5F9;
  --color-text-secondary: #94A3B8;
  --color-text-tertiary: #64748B;
  --color-text-inverse: #0F172A;
  --color-primary: #3B82F6;
  --color-primary-hover: #60A5FA;
  --color-primary-light: #1E3A5F;
  --color-primary-subtle: #172554;
  --color-accent: #34D399;
  --color-accent-hover: #6EE7B7;
  --color-accent-light: #064E3B;
  --color-warning: #FBBF24;
  --color-warning-light: #78350F;
  --color-danger: #F87171;
  --color-danger-light: #7F1D1D;
  --color-star: #FBBF24;
  --color-ad-bg: #1E293B;
  --color-ad-border: #334155;
  --color-code-bg: #1E293B;
  --color-shadow: rgba(0, 0, 0, 0.3);
  --color-shadow-lg: rgba(0, 0, 0, 0.5);
  --color-overlay: rgba(0, 0, 0, 0.7);
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.container--wide {
  max-width: var(--max-width-wide);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-tight);
  font-weight: 700;
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.025em;
}

h2 {
  font-size: var(--text-3xl);
  letter-spacing: -0.02em;
}

h3 {
  font-size: var(--text-2xl);
  letter-spacing: -0.015em;
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

p:last-child {
  margin-bottom: 0;
}

strong, b {
  font-weight: 600;
  color: var(--color-text-primary);
}

small {
  font-size: var(--text-sm);
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--color-shadow);
}

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

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

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--border-radius);
}

/* --- Header & Navigation --- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.85);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

[data-theme="dark"] .header {
  background: rgba(11, 17, 32, 0.85);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--color-primary);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--border-radius-sm);
  color: white;
  font-weight: 800;
  font-size: var(--text-sm);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__item {
  position: relative;
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
  background: var(--color-primary-subtle);
}

.nav__dropdown-arrow {
  font-size: 10px;
  transition: transform var(--transition-fast);
}

.nav__item:hover .nav__dropdown-arrow {
  transform: rotate(180deg);
}

.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  padding: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  box-shadow: 0 12px 40px var(--color-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-fast);
  z-index: 1001;
}

.nav__item:hover .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown a {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.nav__dropdown a:hover {
  color: var(--color-primary);
  background: var(--color-primary-subtle);
}

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

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Mobile Nav --- */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  padding: var(--space-6);
  overflow-y: auto;
  z-index: 999;
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

.mobile-nav.active {
  transform: translateX(0);
}

.mobile-nav a {
  display: block;
  padding: var(--space-3) 0;
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border-light);
}

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

.mobile-nav .nav-section-title {
  padding: var(--space-4) 0 var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
}

/* --- Hero Section --- */
.hero {
  padding: var(--space-20) 0 var(--space-16);
  text-align: center;
  background: linear-gradient(180deg, var(--color-primary-subtle) 0%, var(--color-bg) 100%);
}

.hero h1 {
  margin-bottom: var(--space-4);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-size: var(--text-lg);
  max-width: 640px;
  margin: 0 auto var(--space-8);
  color: var(--color-text-secondary);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-12);
  margin-top: var(--space-12);
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-border-light);
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-primary);
}

.hero__stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
}

/* --- Section --- */
.section {
  padding: var(--space-16) 0;
}

.section--alt {
  background: var(--color-bg-secondary);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section__header h2 {
  margin-bottom: var(--space-4);
}

.section__header p {
  font-size: var(--text-lg);
  max-width: 640px;
  margin: 0 auto;
}

.section__label {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

/* --- Cards Grid --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.cards-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.cards-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

/* --- Card --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 30px var(--color-shadow);
  transform: translateY(-2px);
}

.card__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: var(--space-3);
}

.card__badge--free {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.card__badge--premium {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.card__title a {
  color: var(--color-text-primary);
}

.card__title a:hover {
  color: var(--color-primary);
}

.card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-4);
}

.card__rating {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-star);
  font-weight: 600;
}

.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.card__price {
  font-weight: 700;
  color: var(--color-text-primary);
}

.card__price--free {
  color: var(--color-accent);
}

/* --- Tool Card (for review pages) --- */
.tool-card {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-8);
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--space-6);
  transition: all var(--transition-base);
}

.tool-card:hover {
  box-shadow: 0 8px 30px var(--color-shadow);
}

.tool-card__info h3 {
  margin-bottom: var(--space-2);
}

.tool-card__info p {
  font-size: var(--text-sm);
}

.tool-card__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* --- Feature List --- */
.feature-list {
  display: grid;
  gap: var(--space-4);
}

.feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius);
}

.feature-list__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 50%;
  font-size: var(--text-sm);
  font-weight: 700;
}

.feature-list__text h4 {
  margin-bottom: var(--space-1);
  font-size: var(--text-base);
}

.feature-list__text p {
  font-size: var(--text-sm);
  margin-bottom: 0;
}

/* --- Pros & Cons --- */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.pros-cons__list {
  padding: var(--space-6);
  border-radius: var(--border-radius-lg);
}

.pros-cons__list--pros {
  background: var(--color-accent-light);
}

.pros-cons__list--cons {
  background: var(--color-danger-light);
}

.pros-cons__title {
  font-weight: 700;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pros-cons__list--pros .pros-cons__title {
  color: var(--color-accent);
}

.pros-cons__list--cons .pros-cons__title {
  color: var(--color-danger);
}

.pros-cons__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --- Comparison Table --- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.comparison-table thead {
  background: var(--color-bg-tertiary);
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.comparison-table th {
  font-weight: 600;
  color: var(--color-text-primary);
}

.comparison-table td {
  color: var(--color-text-secondary);
}

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

.comparison-table .highlight {
  background: var(--color-primary-subtle);
  font-weight: 600;
  color: var(--color-primary);
}

/* --- Step List --- */
.steps {
  display: grid;
  gap: var(--space-6);
  counter-reset: step;
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-4);
  align-items: start;
}

.step__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  font-weight: 800;
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.step__content h3 {
  margin-bottom: var(--space-2);
}

/* --- FAQ --- */
.faq {
  max-width: var(--max-width-narrow);
  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;
  padding: var(--space-5) 0;
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq__question:hover {
  color: var(--color-primary);
}

.faq__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  transition: transform var(--transition-fast);
}

.faq__item.active .faq__icon {
  transform: rotate(45deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq__answer-inner {
  padding-bottom: var(--space-5);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* --- Article Content --- */
.article {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: var(--space-12) var(--space-6) var(--space-16);
}

.article h1 {
  margin-bottom: var(--space-4);
}

.article__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.article h2 {
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
}

.article h3 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.article ul,
.article ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-6);
}

.article ul {
  list-style: disc;
}

.article ol {
  list-style: decimal;
}

.article li {
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.article blockquote {
  margin: var(--space-6) 0;
  padding: var(--space-6);
  background: var(--color-primary-subtle);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.article blockquote p {
  margin-bottom: 0;
}

/* --- Ad Placeholder --- */
.ad-space {
  background: var(--color-ad-bg);
  border: 1px dashed var(--color-ad-border);
  border-radius: var(--border-radius);
  padding: var(--space-8);
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
  margin: var(--space-8) 0;
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--color-text-tertiary);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumbs__sep {
  color: var(--color-border);
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__desc {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--space-3);
  max-width: 320px;
}

.footer__heading {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-4);
}

.footer__links li a {
  display: block;
  padding: var(--space-1) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer__links li a:hover {
  color: var(--color-primary);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

.footer__legal a {
  color: var(--color-text-tertiary);
}

.footer__legal a:hover {
  color: var(--color-primary);
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), #7C3AED);
  border-radius: var(--border-radius-xl);
  padding: var(--space-12) var(--space-8);
  text-align: center;
  color: white;
}

.cta-banner h2 {
  color: white;
  margin-bottom: var(--space-3);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-lg);
  margin-bottom: var(--space-6);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn {
  background: white;
  color: var(--color-primary);
  font-weight: 700;
}

.cta-banner .btn:hover {
  background: var(--color-bg);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* --- Verdict Box --- */
.verdict {
  background: var(--color-primary-subtle);
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  margin: var(--space-8) 0;
}

.verdict__label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.verdict h3 {
  margin-bottom: var(--space-3);
}

.verdict p {
  max-width: 600px;
}

/* --- Pricing Table --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--color-shadow-lg);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.pricing-card__name {
  font-weight: 700;
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.pricing-card__price {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.pricing-card__period {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-6);
}

.pricing-card__features {
  text-align: left;
  margin-bottom: var(--space-6);
}

.pricing-card__features li {
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pricing-card__features li::before {
  content: "\2713";
  color: var(--color-accent);
  font-weight: 700;
}

/* --- Sidebar (Ad Zone) --- */
.content-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-8);
  align-items: start;
}

.sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-6));
  display: grid;
  gap: var(--space-6);
}

/* --- Table of Contents --- */
.toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-6);
}

.toc h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.toc a {
  display: block;
  padding: var(--space-1) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  padding-left: var(--space-2);
  border-left: 2px solid transparent;
}

.toc a:hover {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}

/* --- Page Hero --- */
.page-hero {
  padding: var(--space-12) 0 var(--space-8);
  background: linear-gradient(180deg, var(--color-primary-subtle) 0%, var(--color-bg) 100%);
}

.page-hero h1 {
  max-width: 700px;
}

.page-hero p {
  font-size: var(--text-lg);
  max-width: 600px;
  margin-top: var(--space-3);
}

/* --- Tag / Category Pills --- */
.tag-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.tag-pill {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: 100px;
}

/* --- Contact / About --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.contact-info {
  display: grid;
  gap: var(--space-6);
}

.contact-info__item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-info__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--border-radius);
  font-size: var(--text-xl);
}

.contact-info__text h4 {
  margin-bottom: var(--space-1);
}

.contact-info__text p {
  font-size: var(--text-sm);
  margin-bottom: 0;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.animate-in:nth-child(1) { animation-delay: 0.1s; }
.animate-in:nth-child(2) { animation-delay: 0.2s; }
.animate-in:nth-child(3) { animation-delay: 0.3s; }
.animate-in:nth-child(4) { animation-delay: 0.4s; }
.animate-in:nth-child(5) { animation-delay: 0.5s; }
.animate-in:nth-child(6) { animation-delay: 0.6s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cards-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .content-with-sidebar {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
  .tool-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }

  .nav { display: none; }
  .mobile-toggle { display: flex; }
  .mobile-nav { display: block; }

  .hero {
    padding: var(--space-12) 0 var(--space-10);
  }

  .hero__stats {
    flex-direction: column;
    gap: var(--space-6);
  }

  .cards-grid,
  .cards-grid--2,
  .cards-grid--4 {
    grid-template-columns: 1fr;
  }

  .pros-cons {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .sidebar {
    grid-template-columns: 1fr;
  }

  .step {
    grid-template-columns: 40px 1fr;
    gap: var(--space-3);
  }

  .step__number {
    width: 40px;
    height: 40px;
    font-size: var(--text-base);
  }

  .comparison-table {
    font-size: var(--text-xs);
  }

  .comparison-table th,
  .comparison-table td {
    padding: var(--space-2) var(--space-3);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .cta-banner {
    padding: var(--space-8) var(--space-6);
  }
}

/* --- Print --- */
@media print {
  .header, .footer, .ad-space, .sidebar, .theme-toggle, .mobile-toggle {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}