/* ===================================
   AIR TV — Design System v2.0
   Performance + Premium UI
   =================================== */

/* Preconnect hint via CSS */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* ===== CSS Custom Properties ===== */
:root {
  --bg-primary: #060a14;
  --bg-secondary: #0c1222;
  --bg-tertiary: #121a30;
  --bg-card: rgba(18, 26, 48, 0.65);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.09);
  --bg-glass-strong: rgba(255, 255, 255, 0.07);

  --text-primary: #f0f2f8;
  --text-secondary: #9ba8c0;
  --text-muted: #5f7090;
  --text-accent: #00d4ff;

  --accent-cyan: #00d4ff;
  --accent-purple: #7c3aed;
  --accent-magenta: #ec4899;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-orange: #f59e0b;
  --accent-red: #ef4444;

  --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 50%, #ec4899 100%);
  --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #3b82f6 100%);
  --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);
  --gradient-cool: linear-gradient(135deg, #7c3aed 0%, #00d4ff 100%);
  --gradient-hero: linear-gradient(160deg, #060a14 0%, #0c1222 25%, #150d30 55%, #091d3a 100%);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.01) 100%);
  --gradient-glow: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.12) 0%, transparent 70%);

  --border-glass: rgba(255, 255, 255, 0.07);
  --border-glow: rgba(0, 212, 255, 0.35);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.12), 0 0 80px rgba(0, 212, 255, 0.06);
  --shadow-glow-strong: 0 0 40px rgba(0, 212, 255, 0.2), 0 0 80px rgba(124, 58, 237, 0.1);
  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

  --max-width: 1320px;
  --nav-height: 76px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  min-height: 100vh;
}

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

a:hover {
  color: #66e5ff;
}

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}

h3 {
  font-size: clamp(1.3rem, 2vw, 1.6rem);
}

p {
  color: var(--text-secondary);
  max-width: 65ch;
}

::selection {
  background: rgba(0, 212, 255, 0.3);
  color: #fff;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Container ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 34px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  white-space: nowrap;
  will-change: transform;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 24px rgba(0, 212, 255, 0.3), 0 1px 0 inset rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 36px rgba(0, 212, 255, 0.45);
  color: #fff;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  transform: translate(-50%, -50%);
  transition: width 0.5s ease, height 0.5s ease;
}

.btn-primary:active::after {
  width: 300px;
  height: 300px;
}

.btn-secondary {
  background: var(--bg-glass-strong);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: var(--bg-glass-hover);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-3px);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 18px 42px;
  font-size: 1.05rem;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(6, 10, 20, 0.75);
  backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: all var(--transition-base);
  will-change: transform;
}

.navbar.scrolled {
  background: rgba(6, 10, 20, 0.95);
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--border-glass);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo img {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.3));
}

.nav-logo .logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
  text-decoration: none;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
  border-radius: 1px;
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 60%;
}

.nav-links a.active {
  color: var(--accent-cyan);
}

.nav-cta {
  margin-left: var(--space-md);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

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

.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}

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

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  will-change: transform;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  animation: float 10s ease-in-out infinite;
  will-change: transform;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.35), transparent 70%);
  top: -150px;
  right: -150px;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.3), transparent 70%);
  bottom: -100px;
  left: -150px;
  animation-delay: -4s;
}

.hero-orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.25), transparent 70%);
  top: 35%;
  left: 55%;
  animation-delay: -7s;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: radial-gradient(circle at center, black 20%, transparent 65%);
  -webkit-mask-image: radial-gradient(circle at center, black 20%, transparent 65%);
}

/* Particle canvas */
#particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 850px;
  padding: var(--space-xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 24px;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 500;
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(12px);
  animation: fadeInDown 0.8s ease-out;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.03em;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-2xl);
  animation: fadeInUp 0.8s ease-out 0.4s both;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xl);
  margin-top: var(--space-4xl);
  animation: fadeInUp 0.8s ease-out 0.8s both;
}

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

.hero-stat .stat-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* ===== Sections ===== */
.section {
  padding: var(--space-5xl) 0;
  position: relative;
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 20px;
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid rgba(0, 212, 255, 0.12);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-header p {
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ===== Glow dividers ===== */
.glow-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(0, 212, 255, 0.3) 50%, transparent 100%);
  margin: 0;
  border: none;
}

/* ===== Feature Cards ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.feature-card {
  position: relative;
  padding: var(--space-2xl) var(--space-xl);
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: all var(--transition-base);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  will-change: transform;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.25);
  box-shadow: var(--shadow-glow-strong);
}

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

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

.feature-icon {
  width: 60px;
  height: 60px;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: var(--space-lg);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: rgba(0, 212, 255, 0.12);
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.15);
  transform: scale(1.08);
}

.feature-card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.15rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  align-items: start;
}

.pricing-card {
  position: relative;
  padding: var(--space-2xl);
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  transition: all var(--transition-base);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  will-change: transform;
}

.pricing-card.featured {
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: var(--shadow-glow-strong);
  transform: scale(1.04);
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.pricing-card.featured::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top, rgba(0, 212, 255, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.pricing-badge {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  padding: 5px 16px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 212, 255, 0.25);
  box-shadow: var(--shadow-glow-strong);
}

.pricing-card.featured:hover {
  transform: scale(1.04) translateY(-8px);
}

.pricing-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: var(--space-sm);
}

.pricing-price {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border-glass);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pricing-features li .check {
  color: var(--accent-green);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
}

/* ===== Stats ===== */
.stats-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.stat-item {
  text-align: center;
  padding: var(--space-xl);
}

.stat-item .stat-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.stat-item .stat-value {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item .stat-title {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.testimonial-card {
  padding: var(--space-2xl);
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
  will-change: transform;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 255, 0.2);
  box-shadow: var(--shadow-glow);
}

.testimonial-stars {
  color: var(--accent-orange);
  font-size: 1rem;
  margin-bottom: var(--space-md);
  letter-spacing: 3px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.75;
  margin-bottom: var(--space-xl);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.2);
}

.testimonial-author-info .author-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.testimonial-author-info .author-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  text-align: center;
  padding: var(--space-5xl) 0;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
}

.cta-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent);
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  margin-bottom: var(--space-md);
}

.cta-content p {
  margin: 0 auto var(--space-2xl);
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  text-decoration: none;
}

.footer-brand .footer-logo img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.footer-brand .footer-logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.footer-social a {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-3px);
}

.footer-column h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-column a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 6px 0;
  transition: all var(--transition-fast);
}

.footer-column a:hover {
  color: var(--accent-cyan);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-glass);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
}

.footer-bottom a:hover {
  color: var(--accent-cyan);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-lg);
}

/* ===== Page Header ===== */
.page-header {
  padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-3xl);
  text-align: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg-primary), transparent);
}

.page-header h1,
.page-header p {
  position: relative;
  z-index: 1;
}

.page-header p {
  margin: var(--space-md) auto 0;
}

/* ===== Channels ===== */
.channel-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  padding: 10px 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.1);
}

.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-lg);
}

.channel-card {
  padding: var(--space-xl);
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  text-align: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
  will-change: transform;
}

.channel-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 212, 255, 0.25);
  box-shadow: var(--shadow-glow);
}

.channel-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto var(--space-md);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.channel-card h3 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.channel-card .channel-category {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-form {
  padding: var(--space-2xl);
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 15px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1), 0 0 20px rgba(0, 212, 255, 0.05);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-info-card {
  padding: var(--space-xl);
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
}

.contact-info-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateX(6px);
}

.contact-info-icon {
  width: 52px;
  height: 52px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-info-content h3 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.contact-info-content p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* FAQ */
.faq-section {
  margin-top: var(--space-3xl);
}

.faq-item {
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
  background: var(--gradient-card);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-card);
}

.faq-item:hover {
  border-color: rgba(0, 212, 255, 0.18);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-fast);
}

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

.faq-question .faq-toggle {
  font-size: 1.2rem;
  color: var(--accent-cyan);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-content {
  padding: 0 var(--space-xl) var(--space-xl);
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ===== Legal Pages ===== */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-xl);
}

.legal-content h2 {
  font-size: 1.4rem;
  margin: var(--space-2xl) 0 var(--space-md);
  color: var(--accent-cyan);
}

.legal-content h3 {
  font-size: 1.1rem;
  margin: var(--space-xl) 0 var(--space-sm);
}

.legal-content p {
  margin-bottom: var(--space-md);
  font-size: 0.92rem;
}

.legal-content ul {
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal-content ul li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  padding: var(--space-xs) 0;
  list-style: disc;
}

/* ===== 404 ===== */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.error-content {
  position: relative;
  z-index: 1;
}

.error-code {
  font-family: var(--font-heading);
  font-size: clamp(6rem, 15vw, 14rem);
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-md);
  animation: glitch 3s ease-in-out infinite;
}

.error-content h2 {
  margin-bottom: var(--space-md);
}

.error-content p {
  margin: 0 auto var(--space-2xl);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(35px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-25px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(25px, -25px) scale(1.04);
  }

  66% {
    transform: translate(-15px, 15px) scale(0.96);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.4;
    transform: scale(1.6);
  }
}

@keyframes glitch {

  0%,
  100% {
    text-shadow: 3px 0 rgba(0, 212, 255, 0.3), -3px 0 rgba(236, 72, 153, 0.3);
  }

  50% {
    text-shadow: -3px 0 rgba(0, 212, 255, 0.3), 3px 0 rgba(236, 72, 153, 0.3);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

/* Scroll Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform, opacity;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.delay-1 {
  transition-delay: 0.08s;
}

.animate-on-scroll.delay-2 {
  transition-delay: 0.16s;
}

.animate-on-scroll.delay-3 {
  transition-delay: 0.24s;
}

.animate-on-scroll.delay-4 {
  transition-delay: 0.32s;
}

.animate-on-scroll.delay-5 {
  transition-delay: 0.40s;
}

/* ===== Responsive ===== */

/* Large desktops 1440px+ */
@media (min-width: 1441px) {
  :root {
    --max-width: 1400px;
  }

  .hero h1 {
    font-size: 5rem;
  }

  .features-grid {
    gap: var(--space-2xl);
  }
}

/* Desktop 1024-1440 — default styles */

/* Tablets landscape / small desktop */
@media (max-width: 1024px) {

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

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

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

  .pricing-card.featured {
    transform: none;
  }

  .pricing-card.featured:hover {
    transform: translateY(-8px);
  }
}

/* Tablets portrait */
@media (max-width: 768px) {
  :root {
    --space-5xl: 4rem;
    --space-4xl: 3rem;
    --space-3xl: 2.5rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    background: var(--bg-secondary);
    padding: calc(var(--nav-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    border-left: 1px solid var(--border-glass);
    transition: right var(--transition-base);
    z-index: 999;
    gap: var(--space-sm);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    width: 100%;
    padding: var(--space-md);
    font-size: 1rem;
  }

  .nav-cta {
    margin-left: 0;
    width: 100%;
  }

  .nav-cta .btn {
    width: 100%;
  }

  .nav-hamburger {
    display: flex;
  }

  .features-grid,
  .pricing-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .hero-stats {
    gap: var(--space-xl);
    flex-wrap: wrap;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .footer-bottom-links {
    justify-content: center;
  }

  .channels-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

/* Large phones */
@media (max-width: 480px) {
  :root {
    --space-5xl: 3rem;
    --space-4xl: 2.5rem;
    --space-xl: 1.25rem;
  }

  h1 {
    font-size: 2rem;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .hero-actions {
    flex-direction: column;
  }

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

  .btn {
    padding: 12px 24px;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: 0.95rem;
  }

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

  .stat-item .stat-value {
    font-size: 2rem;
  }

  .channel-filters {
    gap: 6px;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.8rem;
  }

  .channels-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .channel-card {
    padding: var(--space-md);
  }

  .channel-icon {
    width: 52px;
    height: 52px;
    font-size: 1.4rem;
  }

  .pricing-price {
    font-size: 2.6rem;
  }

  .container {
    padding: 0 var(--space-md);
  }
}

/* Small phones */
@media (max-width: 360px) {
  :root {
    --space-xl: 1rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 8px 14px;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

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

  .channel-card {
    padding: var(--space-sm) var(--space-md);
  }

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

/* Safe area for notched phones */
@supports (padding: env(safe-area-inset-bottom)) {
  .footer {
    padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom));
  }

  .navbar {
    padding-top: env(safe-area-inset-top);
  }
}

/* Landscape phones */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: calc(var(--nav-height) + var(--space-2xl)) 0 var(--space-2xl);
  }

  .hero-stats {
    display: none;
  }
}

/* Ultra-wide displays */
@media (min-width: 1920px) {
  :root {
    --max-width: 1500px;
  }

  body {
    font-size: 17px;
  }
}

/* Nav overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition-base);
  backdrop-filter: blur(4px);
}

.nav-overlay.active {
  display: block;
  opacity: 1;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* Page load */
.page-loaded {
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }

  .hero-orb {
    animation: none;
  }
}