/* ========================================
   ApexTrade - Design System & Global Styles
   ======================================== */

/* === CSS Variables (Design Tokens) === */
:root {
  /* Brand Colors */
  --color-primary: #10B981;
  --color-primary-dark: #059669;
  --color-primary-light: #34D399;
  --color-primary-container: #D1FAE5;
  --color-on-primary: #FFFFFF;

  /* Accent Colors */
  --color-accent-blue: #3B82F6;
  --color-accent-purple: #8B5CF6;
  --color-accent-orange: #F97316;
  --color-accent-pink: #EC4899;
  --color-accent-cyan: #06B6D4;

  /* Background / Surface */
  --color-background: #FAFAFB;
  --color-surface: #FFFFFF;
  --color-surface-container: #F4F5F7;
  --color-surface-container-high: #E8EAED;
  --color-surface-container-highest: #D1D5DB;

  /* Text */
  --color-on-surface: #1A1D23;
  --color-on-surface-variant: #6B7280;
  --color-on-surface-muted: #9CA3AF;

  /* Functional */
  --color-success: #22c55e;
  --color-error: #ef4444;
  --color-warning: #f59e0b;

  /* Borders */
  --color-outline: #E5E7EB;
  --color-outline-variant: #F3F4F6;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-float: 0 10px 25px rgba(0, 0, 0, 0.08);
  --shadow-dialog: 0 25px 50px rgba(0, 0, 0, 0.12);

  /* Fonts */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;

  /* Spacing */
  --section-padding: 5rem;
  --container-max: 1280px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-on-surface);
  background-color: var(--color-background);
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(16, 185, 129, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(59, 130, 246, 0.05), transparent),
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(139, 92, 246, 0.05), transparent);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-on-surface);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
  color: var(--color-on-surface-variant);
  line-height: 1.7;
}

/* === Layout === */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
  .container { padding: 0 2rem; }
}

section {
  padding: var(--section-padding) 0;
  position: relative;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
  min-height: 44px;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-cyan));
  color: var(--color-on-primary);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-on-surface);
  border: 1px solid var(--color-outline);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-on-surface-variant);
}

.btn-ghost:hover {
  color: var(--color-on-surface);
  background: var(--color-surface-container);
}

/* === Cards === */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-outline-variant);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
}

/* === Navigation === */
.nav-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-outline-variant);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .nav-container { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
  .nav-container { padding: 0 2rem; }
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-on-surface);
}

.nav-logo-icon {
  width: 2rem;
  height: 2rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-cyan));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

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

@media (min-width: 1024px) {
  .nav-links { display: flex; }
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-on-surface-variant);
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-primary);
}

.nav-actions {
  display: none;
  align-items: center;
  gap: 0.75rem;
}

@media (min-width: 1024px) {
  .nav-actions { display: flex; }
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-on-surface);
}

@media (min-width: 1024px) {
  .mobile-menu-btn { display: none; }
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-outline);
  padding: 1rem;
  box-shadow: var(--shadow-float);
}

.mobile-menu.active {
  display: block;
}

@media (min-width: 1024px) {
  .mobile-menu { display: none !important; }
}

.mobile-menu-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-menu-links a {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-on-surface-variant);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.mobile-menu-links a:hover,
.mobile-menu-links a[aria-current="page"] {
  color: var(--color-primary);
  background: var(--color-surface-container);
}

/* === Language Switcher === */
.lang-switcher {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-on-surface-variant);
  background: var(--color-surface-container);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  min-height: 36px;
}

.lang-btn:hover {
  color: var(--color-on-surface);
  background: var(--color-surface-container-high);
}

.lang-btn svg {
  width: 1rem;
  height: 1rem;
}

.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
  min-width: 140px;
  z-index: 100;
  overflow: hidden;
}

.lang-dropdown.active {
  display: block;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
  transition: all 0.15s ease;
}

.lang-option:hover {
  background: var(--color-surface-container);
  color: var(--color-on-surface);
}

.lang-option.active {
  color: var(--color-primary);
  background: var(--color-primary-container);
}

/* Mobile Language Grid */
.mobile-lang-section {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-outline-variant);
}

.mobile-lang-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-on-surface-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.mobile-lang-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.mobile-lang-btn {
  padding: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-on-surface-variant);
  background: var(--color-surface-container);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  min-height: 36px;
}

.mobile-lang-btn:hover {
  background: var(--color-surface-container-high);
}

.mobile-lang-btn.active {
  color: var(--color-primary);
  background: var(--color-primary-container);
}

/* === Hero Section === */
.hero {
  padding: 3rem 0 4rem;
  position: relative;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero { padding: 5rem 0 6rem; }
}

.hero-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-container);
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.hero-title {
  margin-bottom: 1.5rem;
}

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

.hero-description {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hero-trust {
  font-size: 0.875rem;
  color: var(--color-on-surface-muted);
}

/* Video Player */
.video-player {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-dialog);
  background: linear-gradient(135deg, var(--color-surface-container), var(--color-surface-container-high));
  aspect-ratio: 16 / 10;
}

.video-player::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(59, 130, 246, 0.05));
  z-index: 0;
  pointer-events: none;
}

.video-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  position: relative;
  z-index: 2;
}

.play-btn {
  width: 4rem;
  height: 4rem;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
  transition: all 0.3s ease;
}

.play-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 32px rgba(16, 185, 129, 0.5);
}

.play-btn svg {
  width: 1.5rem;
  height: 1.5rem;
  margin-left: 0.125rem;
}

.video-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-on-surface-variant);
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
}

.video-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(59, 130, 246, 0.15));
  z-index: 3;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.video-overlay:hover {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(59, 130, 246, 0.2));
}

/* === Trust Bar === */
.trust-bar {
  padding: 2rem 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-outline-variant);
  border-bottom: 1px solid var(--color-outline-variant);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .trust-grid { grid-template-columns: repeat(4, 1fr); }
}

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

.trust-value {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.trust-label {
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
}

/* === Features Section === */
.features-section {
  position: relative;
}

.features-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, var(--color-surface-container) 30%, var(--color-surface-container) 70%, transparent);
  opacity: 0.5;
  pointer-events: none;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
  position: relative;
  z-index: 1;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-badge.green {
  color: var(--color-primary);
  background: var(--color-primary-container);
}

.section-badge.blue {
  color: var(--color-accent-blue);
  background: rgba(59, 130, 246, 0.1);
}

.section-badge.purple {
  color: var(--color-accent-purple);
  background: rgba(139, 92, 246, 0.1);
}

.section-badge.orange {
  color: var(--color-accent-orange);
  background: rgba(249, 115, 22, 0.1);
}

.section-title {
  margin-bottom: 1rem;
}

.section-title .highlight {
  color: var(--color-primary);
}

.section-title .highlight-purple {
  color: var(--color-accent-purple);
}

.section-title .highlight-cyan {
  color: var(--color-accent-cyan);
}

.section-description {
  font-size: 1.0625rem;
}

.features-grid {
  display: grid;
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--feature-color, var(--color-primary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.feature-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.feature-icon.green {
  background: var(--color-primary-container);
  color: var(--color-primary);
}

.feature-icon.blue {
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-accent-blue);
}

.feature-icon.purple {
  background: rgba(139, 92, 246, 0.1);
  color: var(--color-accent-purple);
}

.feature-icon.orange {
  background: rgba(249, 115, 22, 0.1);
  color: var(--color-accent-orange);
}

.feature-icon.pink {
  background: rgba(236, 72, 153, 0.1);
  color: var(--color-accent-pink);
}

.feature-icon.cyan {
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-accent-cyan);
}

.feature-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-description {
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* === Comparison Section === */
.comparison-section {
  position: relative;
}

.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-outline-variant);
  background: var(--color-surface);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.comparison-table th,
.comparison-table td {
  padding: 1rem;
  text-align: center;
  border-bottom: 1px solid var(--color-outline-variant);
}

.comparison-table th {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  background: var(--color-surface-container);
}

.comparison-table th:first-child {
  text-align: left;
}

.comparison-table td:first-child {
  text-align: left;
  font-weight: 500;
}

.comparison-table .apextrade-col {
  background: rgba(16, 185, 129, 0.05);
}

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

.comparison-table .check {
  color: var(--color-primary);
}

.comparison-table .cross {
  color: var(--color-on-surface-muted);
}

/* === How It Works === */
.steps-section {
  position: relative;
}

.steps-grid {
  display: grid;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
}

.step-card {
  text-align: center;
  position: relative;
}

.step-number {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  margin: 0 auto 1.5rem;
}

.step-number.blue { background: linear-gradient(135deg, var(--color-accent-blue), #60A5FA); }
.step-number.purple { background: linear-gradient(135deg, var(--color-accent-purple), #A78BFA); }
.step-number.green { background: linear-gradient(135deg, var(--color-primary), var(--color-accent-cyan)); }

.step-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-description {
  font-size: 0.9375rem;
}

/* === Testimonials === */
.testimonials-section {
  position: relative;
}

.testimonials-grid {
  display: grid;
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
  position: relative;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.testimonial-avatar {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary-container), rgba(59, 130, 246, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--color-primary);
}

.testimonial-info {
  flex: 1;
}

.testimonial-name {
  font-size: 0.9375rem;
  font-weight: 600;
}

.testimonial-role {
  font-size: 0.8125rem;
  color: var(--color-on-surface-variant);
}

.testimonial-stars {
  display: flex;
  gap: 0.125rem;
  color: var(--color-warning);
  margin-bottom: 0.75rem;
}

.testimonial-stars svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
}

.testimonial-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  font-style: italic;
}

/* === FAQ Section === */
.faq-section {
  position: relative;
}

.faq-list {
  max-width: 768px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}

.faq-item {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-outline-variant);
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-item:hover {
  border-color: var(--color-outline);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.25rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-on-surface);
  text-align: left;
  transition: color 0.2s ease;
  min-height: 44px;
}

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

.faq-question svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-on-surface-variant);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  display: none;
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-on-surface-variant);
}

.faq-item.active .faq-answer {
  display: block;
}

/* === CTA Section === */
.cta-section {
  padding: 4rem 0;
}

.cta-card {
  position: relative;
  padding: 3rem 2rem;
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue), var(--color-accent-purple));
  overflow: hidden;
  text-align: center;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.1), transparent 50%);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
  position: relative;
}

.cta-description {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  background: white;
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  position: relative;
  min-height: 44px;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* === Footer === */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-outline-variant);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 2fr repeat(4, 1fr); }
}

.footer-brand {
  max-width: 280px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-description {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-on-surface-variant);
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
  transition: color 0.2s ease;
}

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

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-outline-variant);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--color-on-surface-muted);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-surface-variant);
  background: var(--color-surface-container);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  color: var(--color-primary);
  background: var(--color-primary-container);
}

.footer-social svg {
  width: 1rem;
  height: 1rem;
}

/* === Utility Classes === */
.text-primary { color: var(--color-primary); }
.text-blue { color: var(--color-accent-blue); }
.text-purple { color: var(--color-accent-purple); }
.text-orange { color: var(--color-accent-orange); }
.text-pink { color: var(--color-accent-pink); }
.text-cyan { color: var(--color-accent-cyan); }

.bg-primary-container { background: var(--color-primary-container); }
.bg-surface { background: var(--color-surface); }
.bg-surface-container { background: var(--color-surface-container); }

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

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* === Responsive Adjustments === */
@media (max-width: 767px) {
  :root {
    --section-padding: 3rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions .btn {
    width: 100%;
  }
}