/* ============================================
   Ipvideo - AI Video Generation Platform
   Main Stylesheet
   ============================================ */

/* CSS Variables */
:root {
  --bg-primary: #050508;
  --bg-secondary: #0a0a12;
  --bg-card: #12121f;
  --bg-glass: rgba(18, 18, 31, 0.7);
  --border-glass: rgba(255, 255, 255, 0.08);

  --accent-primary: #6366f1;
  --accent-secondary: #ec4899;
  --accent-tertiary: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #ec4899 50%, #8b5cf6 100%);
  --accent-gradient-horizontal: linear-gradient(90deg, #6366f1 0%, #ec4899 100%);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  --container-max: 1280px;
  --header-height: 72px;
}

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

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

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

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

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

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

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

.text-gradient-alt {
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 960px;
}

/* ============================================
   Background Effects
   ============================================ */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse 50% 30% at 50% 100%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(5, 5, 8, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition-base);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.nav-link.active {
  color: var(--text-primary);
  background: rgba(99, 102, 241, 0.15);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition-base);
  white-space: nowrap;
}

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

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn-primary {
  background: var(--accent-gradient-horizontal);
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.15);
}

.btn-ghost {
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
}

.btn-glow {
  position: relative;
}

.btn-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-md) + 2px);
  background: var(--accent-gradient);
  opacity: 0;
  filter: blur(10px);
  transition: var(--transition-base);
  z-index: -1;
}

.btn-glow:hover::before {
  opacity: 0.6;
}

.btn-block {
  width: 100%;
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-base);
  border-radius: 2px;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 24px;
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav .nav-link {
  font-size: 1.25rem;
  padding: 12px 24px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  padding: calc(var(--header-height) + 80px) 0 100px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 24px;
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 10px rgba(99, 102, 241, 0.2); }
  50% { box-shadow: 0 0 25px rgba(99, 102, 241, 0.4); }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-video-card {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glass);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.hero-video-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  z-index: 1;
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 2;
}

.video-placeholder i {
  font-size: 3rem;
  color: var(--accent-primary);
  opacity: 0.8;
}

.video-placeholder p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.video-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent-primary);
  border-radius: 50%;
  opacity: 0.4;
  animation: float-particle 8s ease-in-out infinite;
}

@keyframes float-particle {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.4; }
  25% { transform: translateY(-20px) translateX(10px); opacity: 0.8; }
  50% { transform: translateY(-40px) translateX(-10px); opacity: 0.4; }
  75% { transform: translateY(-20px) translateX(15px); opacity: 0.6; }
}

/* Floating elements around hero */
.float-card {
  position: absolute;
  padding: 12px 16px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-md);
  animation: float-card 6s ease-in-out infinite;
}

.float-card-1 { top: 10%; left: -10%; animation-delay: 0s; }
.float-card-2 { bottom: 20%; right: -5%; animation-delay: 2s; }
.float-card-3 { top: 50%; right: -15%; animation-delay: 4s; }

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.float-card i {
  color: var(--accent-secondary);
}

/* ============================================
   Section Styles
   ============================================ */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-label {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.section-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

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

.feature-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--accent-primary);
}

.feature-card:nth-child(2) .feature-icon { background: rgba(236, 72, 153, 0.15); color: var(--accent-secondary); }
.feature-card:nth-child(3) .feature-icon { background: rgba(139, 92, 246, 0.15); color: var(--accent-tertiary); }
.feature-card:nth-child(4) .feature-icon { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.feature-card:nth-child(5) .feature-icon { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.feature-card:nth-child(6) .feature-icon { background: rgba(245, 158, 11, 0.15); color: var(--warning); }

.feature-title {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   How It Works
   ============================================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0.3;
  z-index: 0;
}

.step-card {
  position: relative;
  z-index: 1;
  text-align: center;
}

.step-number {
  width: 80px;
  height: 80px;
  background: var(--bg-card);
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-primary);
  margin: 0 auto 24px;
  position: relative;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.step-title {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 380px));
  gap: 32px;
  align-items: start;
  justify-content: center;
}

.pricing-card {
  padding: 40px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  position: relative;
}

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

.pricing-card.popular {
  border-color: var(--accent-primary);
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.2);
  transform: scale(1.03);
}

.pricing-card.popular:hover {
  transform: scale(1.03) translateY(-4px);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 16px;
  background: var(--accent-gradient);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: white;
  box-shadow: var(--shadow-md);
}

.pricing-name {
  font-size: 1.25rem;
  margin-bottom: 8px;
  text-align: center;
}

.pricing-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 24px;
}

.pricing-price {
  text-align: center;
  margin-bottom: 32px;
}

.price-value {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.price-currency {
  font-size: 1.5rem;
  vertical-align: top;
}

.price-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pricing-features {
  margin-bottom: 32px;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.pricing-feature:last-child {
  border-bottom: none;
}

.pricing-feature i {
  color: var(--success);
  font-size: 0.9rem;
}

.pricing-feature.disabled {
  color: var(--text-muted);
}

.pricing-feature.disabled i {
  color: var(--danger);
}

/* ============================================
   Testimonials
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.testimonial-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-4px);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  color: var(--warning);
  font-size: 0.9rem;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: white;
}

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

.author-name {
  font-weight: 600;
  font-size: 0.9rem;
}

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

/* ============================================
   FAQ
   ============================================ */
.faq-list {
  max-width: 768px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.faq-item:hover {
  border-color: rgba(99, 102, 241, 0.2);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  text-align: left;
  width: 100%;
}

.faq-question i {
  transition: var(--transition-base);
  color: var(--text-muted);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  padding: 80px 0;
}

.cta-box {
  position: relative;
  padding: 60px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  text-align: center;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

.cta-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2rem;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border-glass);
}

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

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 280px;
}

.footer-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-glass);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.footer-socials a:hover {
  background: var(--accent-primary);
  color: white;
}

/* ============================================
   Auth Pages (Login/Register)
   ============================================ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-header .logo {
  justify-content: center;
  margin-bottom: 24px;
}

.auth-header h1 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.auth-header p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: var(--transition-fast);
  font-family: inherit;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(255,255,255,0.05);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.form-footer a {
  color: var(--accent-primary);
  font-weight: 600;
}

.form-footer a:hover {
  text-decoration: underline;
}

.divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-glass);
}

/* ============================================
   Dashboard
   ============================================ */
.dashboard {
  padding-top: var(--header-height);
  min-height: 100vh;
}

.dashboard-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - var(--header-height));
}

.sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-glass);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-section {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 16px 12px 8px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.sidebar-link:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.sidebar-link.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
}

.sidebar-link i {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

.main-content {
  padding: 32px;
  overflow-y: auto;
}

.page-title {
  font-size: 1.75rem;
  margin-bottom: 24px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
}

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

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

.stat-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.stat-card-value {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.stat-card-change {
  font-size: 0.75rem;
  color: var(--success);
  font-weight: 600;
}

.stat-card-change.negative {
  color: var(--danger);
}

/* Content Cards */
.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
}

.content-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-2px);
}

.content-thumb {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(236, 72, 153, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.content-thumb i {
  font-size: 2rem;
  color: var(--accent-primary);
  opacity: 0.6;
}

.content-info {
  padding: 16px;
}

.content-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.content-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============================================
   Generate Page
   ============================================ */
.generate-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
}

.generate-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 24px;
  height: fit-content;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.panel-title {
  font-size: 1rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-title i {
  color: var(--accent-primary);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.select-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.preview-area {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  min-height: 500px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.preview-area.generating {
  justify-content: flex-start;
  padding: 0;
}

.preview-placeholder {
  text-align: center;
}

.preview-placeholder i {
  font-size: 4rem;
  color: var(--accent-primary);
  opacity: 0.3;
  margin-bottom: 16px;
}

.preview-placeholder p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.generation-progress {
  width: 100%;
  max-width: 400px;
}

.progress-bar {
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 12px;
}

.progress-fill {
  height: 100%;
  background: var(--accent-gradient-horizontal);
  border-radius: 100px;
  transition: width 0.5s ease;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.progress-text {
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.preview-video {
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-video video,
.preview-video img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fade-in 0.6s ease forwards;
}

@keyframes fade-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--bg-card);
  border-radius: 100px;
  border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-glass);
}

/* Selection */
::selection {
  background: rgba(99, 102, 241, 0.3);
  color: var(--text-primary);
}

/* ============================================
   Language Selector & RTL
   ============================================ */
.lang-selector {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 12px;
}
.lang-btn {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}
.lang-btn:hover, .lang-btn.active {
  color: var(--accent-primary);
  background: rgba(99,102,241,0.15);
  border-color: rgba(99,102,241,0.3);
}
.rtl .lang-selector {
  margin-left: 0;
  margin-right: 12px;
}
.rtl .header-actions {
  flex-direction: row-reverse;
}
.rtl .hero-inner {
  direction: rtl;
}
.rtl .hero-actions {
  flex-direction: row-reverse;
}
.rtl .hero-stats {
  direction: rtl;
}
.rtl .features-grid {
  direction: rtl;
}
.rtl .steps-grid {
  direction: rtl;
}
.rtl .pricing-grid {
  direction: rtl;
}
.rtl .testimonials-grid {
  direction: rtl;
}
.rtl .faq-item {
  direction: rtl;
}
.rtl .footer-grid {
  direction: rtl;
}
.rtl .generate-layout {
  direction: rtl;
}
.rtl .dashboard-inner {
  direction: rtl;
}
.rtl .sidebar {
  direction: rtl;
}
.rtl .auth-card {
  direction: rtl;
}
.rtl .auth-header {
  direction: rtl;
}
.rtl .stats-row {
  direction: rtl;
}
.rtl .content-grid {
  direction: rtl;
}
.rtl .form-group {
  direction: rtl;
}
.rtl .form-label {
  text-align: right;
}
.rtl .cost-table {
  direction: rtl;
}
.rtl .cost-table th,
.rtl .cost-table td {
  text-align: right;
}
.rtl .step-card {
  direction: rtl;
}
.rtl .points-explain {
  direction: rtl;
}
.rtl .highlight-box {
  direction: rtl;
}

/* Arabic font support */
html[lang="ar"] body,
html[lang="ar"] input,
html[lang="ar"] textarea,
html[lang="ar"] select,
html[lang="ar"] button {
  font-family: 'Cairo', 'Inter', sans-serif;
}