:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary-color: #ec4899;
  --accent-color: #14b8a6;
  --success-color: #10b981;
  --bg-color: #0a0a0f;
  --bg-secondary: #16161d;
  --bg-tertiary: #1f1f2a;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  --border-radius: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Onest', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Animated Background */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-color) 0%, #0f0f1a 50%, var(--bg-color) 100%);
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--primary-color), transparent);
  top: -200px;
  left: -200px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--secondary-color), transparent);
  bottom: -100px;
  right: -100px;
  animation-delay: 5s;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, var(--accent-color), transparent);
  top: 50%;
  left: 50%;
  animation-delay: 10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(50px, -50px) scale(1.1); }
  66% { transform: translate(-30px, 30px) scale(0.9); }
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.5rem;
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  /* transition: var(--transition); */
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  /* transition: width 0.3s; */
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white !important;
  padding: 0.6rem 1.4rem;
  border-radius: 10px;
  font-weight: 600;
  /* transition: var(--transition); */
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  /* transform: translateY(-2px); */
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: 180px 0 100px;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 8px 16px;
  border-radius: 50px;
  color: var(--primary-light);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 2rem;
  animation: fadeInUp 0.6s ease-out;
}

.badge-icon {
  font-size: 1.2rem;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 5s ease infinite;
  background-size: 200% 200%;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: clamp(1rem, 3vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 3rem;
  animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.desktop-br {
  display: block;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
  animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-color);
}

.btn-large {
  padding: 1.3rem 2.5rem;
  font-size: 1.1rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  animation: fadeInUp 0.6s ease-out 0.4s backwards;
}

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

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.supported-languages {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease-out 0.5s backwards;
}

.lang-flag {
  font-size: 2rem;
  filter: grayscale(0.3);
  transition: var(--transition);
  cursor: default;
}

.lang-flag:hover {
  filter: grayscale(0);
  transform: scale(1.2);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Upload Section */
.upload-section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
}

.upload-container {
  max-width: 700px;
  margin: 0 auto;
}

.upload-area {
  background: var(--bg-secondary);
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  padding: 4rem 2rem;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.upload-area::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
  transition: left 0.5s;
}

.upload-area:hover::before {
  left: 100%;
}

.upload-area:hover {
  border-color: var(--primary-color);
  background: rgba(99, 102, 241, 0.05);
}

.upload-area.drag-over {
  border-color: var(--primary-color);
  background: rgba(99, 102, 241, 0.1);
  transform: scale(1.02);
}

.upload-icon {
  margin-bottom: 1.5rem;
}

.upload-icon svg {
  stroke: var(--primary-color);
  opacity: 0.8;
}

.upload-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.upload-text {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.upload-formats {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.btn-upload {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 1rem 2.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}

.btn-upload:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

/* Upload Progress */
.upload-progress {
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  padding: 2rem;
  border: 1px solid var(--border-color);
}

.progress-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.progress-icon {
  width: 48px;
  height: 48px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.progress-icon.loading svg {
  stroke: var(--primary-color);
  animation: rotate 1s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.progress-details {
  flex: 1;
}

.progress-text {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

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

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 10px;
  transition: width 0.3s ease;
  animation: shimmer 1.5s infinite;
  background-size: 200% 100%;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Upload Result */
.upload-result {
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  padding: 2rem;
  border: 1px solid var(--border-color);
  animation: fadeInUp 0.4s ease-out;
}

.result-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.result-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.result-icon.success {
  background: rgba(16, 185, 129, 0.1);
}

.result-icon.success svg {
  stroke: var(--success-color);
}

.result-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
}

.result-content {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  max-height: 300px;
  overflow-y: auto;
}

.transcription-text {
  color: var(--text-secondary);
  line-height: 1.8;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.result-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Features Section */
.features-section {
  padding: 100px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform: scaleX(0);
  transition: transform 0.3s;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon svg {
  stroke: var(--primary-color);
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* How it Works Section */
.how-it-works {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.steps-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  max-width: 1000px;
  margin: 0 auto;
}

.step-card {
  flex: 1;
  min-width: 250px;
  background: var(--bg-tertiary);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  position: relative;
}

.step-number {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  line-height: 1;
}

.step-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

.step-arrow {
  flex-shrink: 0;
}

.step-arrow svg {
  stroke: var(--primary-color);
}

/* FAQ Section */
.faq-section {
  padding: 100px 0;
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

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

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.1rem;
  list-style: none;
  user-select: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  stroke: var(--primary-color);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary);
  line-height: 1.8;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* CTA Section */
.cta-section {
  padding: 100px 0;
  text-align: center;
}

.cta-content {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 4rem 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.footer-logo-text {
  font-weight: 700;
  font-size: 1.3rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero {
    padding: 140px 0 60px;
  }

  .desktop-br {
    display: none;
  }

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

  .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    gap: 2rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .upload-area {
    padding: 3rem 1.5rem;
  }

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

  .steps-grid {
    flex-direction: column;
  }

  .step-arrow {
    transform: rotate(90deg);
  }

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

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

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .cta-content {
    padding: 3rem 1.5rem;
  }

  .upload-section,
  .features-section,
  .how-it-works,
  .faq-section,
  .cta-section {
    padding: 60px 0;
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--primary-dark), var(--secondary-color));
}

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