/* ==========================================================================
   English with Vienix - Official Landing Page Design System
   Color Tokens, Glassmorphism, Micro-animations & Responsive Typography
   ========================================================================== */

:root {
  --bg-primary: #0A0F1D;
  --bg-secondary: #0F172A;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(99, 102, 241, 0.35);
  --border-gold: rgba(251, 191, 36, 0.3);

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --primary: #6366F1;
  --primary-glow: rgba(99, 102, 241, 0.3);
  --accent-gold: #FBBF24;
  --accent-gold-glow: rgba(251, 191, 36, 0.25);
  --accent-cyan: #06B6D4;
  --accent-rose: #F43F5E;
  --accent-emerald: #10B981;

  --font-en: 'Plus Jakarta Sans', 'Outfit', system-ui, -apple-system, sans-serif;
  --font-ar: 'Tajawal', system-ui, -apple-system, sans-serif;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-en);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

body[dir="rtl"] {
  font-family: var(--font-ar);
}

/* Background Ambient Lights */
.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

.ambient-1 {
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 650px;
  height: 450px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, rgba(6, 182, 212, 0.1) 60%, transparent 80%);
}

.ambient-2 {
  top: 900px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.15) 0%, transparent 70%);
}

.ambient-3 {
  top: 2400px;
  left: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18) 0%, transparent 70%);
}

.ambient-4 {
  bottom: 300px;
  right: 10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.top-announcement {
  background: linear-gradient(90deg, #4338CA 0%, #6366F1 50%, #06B6D4 100%);
  padding: 8px 16px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.top-announcement a {
  color: #FDE047;
  text-decoration: underline;
  margin-inline-start: 6px;
  font-weight: 700;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 15, 29, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.brand-text-col {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.brand-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
}

.nav-link:hover {
  color: #FFFFFF;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-nav-download {
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  color: #FFFFFF;
  padding: 9px 20px;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 4px 15px var(--primary-glow);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-nav-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 70px 0 80px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  color: #A5B4FC;
  margin-bottom: 24px;
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.1);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-gold);
  box-shadow: 0 0 10px var(--accent-gold);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(34px, 6vw, 62px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 22px;
  letter-spacing: -0.8px;
  color: #FFFFFF;
}

.gradient-text {
  background: linear-gradient(135deg, #6366F1 0%, #06B6D4 50%, #FBBF24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(16px, 2.2vw, 20px);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn-store {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-color);
  padding: 12px 24px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: #FFFFFF;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.btn-store:hover {
  background: rgba(30, 41, 59, 0.95);
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.2);
}

.btn-store svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.store-text-col {
  display: flex;
  flex-direction: column;
  text-align: start;
}

.store-subtitle {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.4px;
}

.store-title {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.2;
}

.btn-web-app {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #FBBF24 0%, #F59E0B 100%);
  color: #0F172A;
  padding: 14px 28px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-size: 16px;
  font-weight: 800;
  transition: var(--transition);
  box-shadow: 0 4px 18px var(--accent-gold-glow);
}

.btn-web-app:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 26px rgba(251, 191, 36, 0.4);
}

/* ==========================================================================
   Metrics / Trust Bar
   ========================================================================== */
.metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 980px;
  margin: 0 auto 60px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 24px 32px;
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.metric-number {
  font-size: 30px;
  font-weight: 900;
  color: #FFFFFF;
  line-height: 1.1;
  background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
  font-weight: 600;
}

/* ==========================================================================
   Interactive Phone Mockup & Tabs
   ========================================================================== */
.mockup-container {
  max-width: 900px;
  margin: 0 auto 100px;
}

.mockup-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.tab-btn {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tab-btn:hover {
  background: rgba(30, 41, 59, 0.8);
  color: #FFFFFF;
}

.tab-btn.active {
  background: #6366F1;
  color: #FFFFFF;
  border-color: #6366F1;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.phone-wrapper {
  max-width: 380px;
  margin: 0 auto;
  background: #020617;
  border: 10px solid #1E293B;
  border-radius: 44px;
  padding: 14px 14px 20px;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.7), 0 0 40px rgba(99, 102, 241, 0.15);
  position: relative;
  overflow: hidden;
}

.phone-speaker {
  width: 60px;
  height: 5px;
  background: #334155;
  border-radius: 3px;
  margin: 0 auto 12px;
}

.phone-screen {
  background: #0F172A;
  border-radius: 30px;
  min-height: 480px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.phone-header {
  background: #1E293B;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.phone-header-title {
  font-size: 14px;
  font-weight: 800;
  color: #FFFFFF;
}

.phone-header-badge {
  font-size: 10px;
  background: var(--accent-gold);
  color: #0F172A;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.phone-content {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Phone Screen: Chat Preview */
.chat-bubble-user {
  align-self: flex-end;
  background: #4F46E5;
  color: #FFFFFF;
  padding: 10px 14px;
  border-radius: 16px 16px 4px 16px;
  font-size: 13px;
  max-width: 85%;
  line-height: 1.4;
}

.chat-bubble-ai {
  align-self: flex-start;
  background: #1E293B;
  color: #F1F5F9;
  padding: 12px 14px;
  border-radius: 16px 16px 16px 4px;
  font-size: 13px;
  max-width: 90%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  line-height: 1.45;
}

.chat-ai-highlight {
  color: var(--accent-gold);
  font-weight: 700;
}

.chat-input-mock {
  margin-top: auto;
  background: #1E293B;
  border-radius: 24px;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

/* ==========================================================================
   Interactive Learning Widget (Flashcard & Audio)
   ========================================================================== */
.demo-section {
  padding: 80px 0;
  text-align: center;
}

.section-header {
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-pill {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.interactive-card-box {
  max-width: 440px;
  margin: 0 auto;
  perspective: 1000px;
}

.flashcard-3d {
  width: 100%;
  min-height: 280px;
  background: linear-gradient(145deg, #1E293B 0%, #0F172A 100%);
  border: 2px solid var(--border-gold);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4), 0 0 25px var(--accent-gold-glow);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
  position: relative;
}

.flashcard-badge {
  position: absolute;
  top: 18px;
  inset-inline-start: 20px;
  background: rgba(251, 191, 36, 0.15);
  color: var(--accent-gold);
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.flashcard-audio-btn {
  position: absolute;
  top: 14px;
  inset-inline-end: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: #FFFFFF;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.flashcard-audio-btn:hover {
  background: var(--primary);
  transform: scale(1.1);
}

.flashcard-word {
  font-size: 34px;
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.flashcard-ipa {
  font-size: 15px;
  color: var(--accent-cyan);
  font-weight: 500;
  margin-bottom: 14px;
}

.flashcard-trans {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent-gold);
  margin-bottom: 16px;
}

.flashcard-sentence {
  font-size: 14px;
  color: var(--text-secondary);
  font-style: italic;
  max-width: 340px;
  line-height: 1.5;
}

.flashcard-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 20px;
}

/* ==========================================================================
   Features Grid
   ========================================================================== */
.features-section {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 32px 26px;
  transition: var(--transition);
  backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-5px);
  box-shadow: 0 14px 32px -10px var(--primary-glow);
}

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

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.icon-blue { background: rgba(99, 102, 241, 0.15); color: #818CF8; }
.icon-gold { background: rgba(251, 191, 36, 0.15); color: #FBBF24; }
.icon-cyan { background: rgba(6, 182, 212, 0.15); color: #22D3EE; }
.icon-emerald { background: rgba(16, 185, 129, 0.15); color: #34D399; }
.icon-rose { background: rgba(244, 63, 94, 0.15); color: #FB7185; }
.icon-purple { background: rgba(168, 85, 247, 0.15); color: #C084FC; }

.feature-title {
  font-size: 20px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Curriculum / Levels Roadmap
   ========================================================================== */
.levels-section {
  padding: 80px 0;
}

.levels-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.level-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 18px;
  text-align: center;
  transition: var(--transition);
}

.level-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.4);
}

.level-badge {
  font-size: 24px;
  font-weight: 900;
  color: var(--accent-gold);
  margin-bottom: 6px;
}

.level-name {
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.level-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   Reviews & Social Proof
   ========================================================================== */
.reviews-section {
  padding: 80px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stars {
  color: var(--accent-gold);
  margin-bottom: 14px;
  font-size: 16px;
}

.review-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #334155;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #FFFFFF;
  font-size: 15px;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
}

.user-role {
  font-size: 12px;
  color: var(--text-muted);
}

/* ==========================================================================
   Social & Community Hub
   ========================================================================== */
.community-section {
  padding: 70px 0;
}

.community-box {
  background: linear-gradient(145deg, #1E1B4B 0%, #0F172A 100%);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-xl);
  padding: 48px 36px;
  text-align: center;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.community-grid {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.comm-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.comm-btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.16);
}

.comm-btn.fb:hover { background: #1877F2; border-color: #1877F2; }
.comm-btn.tg:hover { background: #229ED9; border-color: #229ED9; }
.comm-btn.wa:hover { background: #25D366; border-color: #25D366; }
.comm-btn.yt:hover { background: #FF0000; border-color: #FF0000; }
.comm-btn.ig:hover { background: #E1306C; border-color: #E1306C; }

/* ==========================================================================
   Interactive FAQ Accordion
   ========================================================================== */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.faq-item.active {
  border-color: rgba(99, 102, 241, 0.4);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 700;
  text-align: start;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-icon {
  font-size: 20px;
  color: var(--accent-gold);
  transition: transform 0.3s ease;
}

.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 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding: 0 24px 20px;
}

/* ==========================================================================
   Final CTA Banner
   ========================================================================== */
.cta-banner-section {
  padding: 70px 0 100px;
}

.cta-banner {
  background: radial-gradient(circle at center, #312E81 0%, #0F172A 100%);
  border: 1px solid rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-xl);
  padding: 56px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.cta-banner-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.cta-banner-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 36px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: #060913;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
  color: var(--text-secondary);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col-title {
  font-size: 15px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 992px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .levels-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .metrics-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .levels-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .metrics-bar {
    grid-template-columns: 1fr 1fr;
    padding: 18px;
    gap: 16px;
  }
  .metric-number {
    font-size: 24px;
  }
}