/* ========== CSS Variables ========== */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --text-primary: #2d3436;
  --text-secondary: #636e72;
  --accent-primary: #ff0000;
  --accent-secondary: #00d26a;
  --card-bg: #ffffff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  --border-color: #e1e1e1;
  --navbar-bg: #ffffff;
  --footer-bg: #1a1a1a;
  --footer-text: #ffffff;
  --success-color: #00d26a;
  --error-color: #ff4444;
  --warning-color: #ffbb33;
  --info-color: #33b5e5;
  --transition-speed: 0.3s;
}

[data-theme="dark"] {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --accent-primary: #ff4444;
  --accent-secondary: #00ff88;
  --card-bg: #2d2d2d;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  --border-color: #404040;
  --navbar-bg: #2d2d2d;
  --footer-bg: #000000;
  --footer-text: #ffffff;
  --success-color: #00ff88;
  --error-color: #ff6b6b;
  --warning-color: #ffd966;
  --info-color: #6bc5ff;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-speed), color var(--transition-speed);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-speed);
}

a:hover {
  color: var(--accent-secondary);
}

/* ========== Gradient Text ========== */
.gradient-text {
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========== Container ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ========== Main Content ========== */
.main-content {
  flex: 1;
  padding: 2rem;
}

/* ========== Navbar Styles ========== */
.navbar {
  background-color: var(--navbar-bg);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background-color: rgba(var(--navbar-bg), 0.95);
  transition: background-color var(--transition-speed);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
}

.nav-logo span {
  font-size: 1.2rem;
  font-weight: 600;
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-speed);
  position: relative;
  padding: 0.5rem 0;
}

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

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

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 2px;
  animation: slideIn 0.3s ease;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: all var(--transition-speed);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background-color: var(--bg-secondary);
  transform: rotate(15deg);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  margin: 2px 0;
  transition: all var(--transition-speed);
  border-radius: 3px;
}

/* ========== Hero Section ========== */
.hero-section {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem 0;
}

.hero-title {
  font-size: 3rem;
  margin-bottom: 1rem;
  animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  animation: fadeInUp 1s ease;
}

/* ========== Page Header ========== */
.page-header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem 0;
}

.page-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ========== Download Card ========== */
.download-card {
  background-color: var(--card-bg);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--shadow);
  margin-bottom: 3rem;
  animation: fadeInUp 1.2s ease;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.download-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1.5rem;
}

.card-header i {
  font-size: 2rem;
  color: var(--accent-primary);
  animation: bounce 2s infinite;
}

.card-header h2 {
  font-size: 1.5rem;
  margin-bottom: 0;
}

/* Download Form */
.download-form {
  margin-bottom: 2rem;
}

.input-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.url-input {
  flex: 1;
  padding: 1rem 0.7rem;
  border: 2px solid var(--border-color);
  border-radius: 50px;
  font-size: 1rem;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: all var(--transition-speed);
}

.url-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.1);
}

.url-input.error {
  border-color: var(--error-color);
  animation: shake 0.5s ease;
}

.url-input.success {
  border-color: var(--success-color);
}

/* Submit Button */
.submit-btn {
  padding: 1rem 2rem;
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all var(--transition-speed);
  position: relative;
  overflow: hidden;
}

.submit-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.submit-btn:hover::before {
  width: 300px;
  height: 300px;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(255, 0, 0, 0.3);
}

.submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.submit-btn.loading {
  position: relative;
  color: transparent;
}

.submit-btn.loading::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 2px solid white;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0.8rem 1rem;
  background-color: var(--bg-secondary);
  border-radius: 50px;
  justify-content: center;
  transition: all var(--transition-speed);
}

.feature-item:hover {
  transform: translateY(-3px);
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
  color: white;
}

.feature-item:hover i {
  color: white;
}

.feature-item i {
  color: var(--accent-secondary);
  font-size: 1.1rem;
  transition: color var(--transition-speed);
}

/* ========== How It Works Section ========== */
.how-it-works {
  text-align: center;
  margin-top: 4rem;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 3px;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.step {
  position: relative;
  padding: 2rem;
  background-color: var(--card-bg);
  border-radius: 15px;
  box-shadow: var(--shadow);
  transition: all var(--transition-speed);
}

.step:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.step-number {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 30px;
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
}

.step i {
  font-size: 2.5rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  transition: transform var(--transition-speed);
}

.step:hover i {
  transform: scale(1.1);
}

.step h3 {
  margin-bottom: 0.5rem;
}

.step p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ========== Preview Page Styles ========== */
.preview-card {
  background-color: var(--card-bg);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--shadow);
  animation: fadeInUp 0.8s ease;
}

.video-info {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.thumbnail-container {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.video-thumbnail {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-speed);
}

.thumbnail-container:hover .video-thumbnail {
  transform: scale(1.05);
}

.duration-badge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
  backdrop-filter: blur(5px);
}

.video-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.video-title {
  font-size: 1.5rem;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.video-meta {
  display: flex;
  gap: 1.5rem;
  color: var(--text-secondary);
}

.video-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.video-meta i {
  color: var(--accent-primary);
}

/* Quality Section */
.quality-section {
  margin: 2rem 0;
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.quality-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1.5rem;
}

.quality-title i {
  color: var(--accent-primary);
  font-size: 1.5rem;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
}

.quality-btn {
  background: linear-gradient(135deg, var(--bg-secondary), var(--card-bg));
  border: 2px solid var(--border-color);
  padding: 1rem;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  transition: all var(--transition-speed);
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
}

.quality-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 0, 0, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.quality-btn:hover::before {
  width: 300px;
  height: 300px;
}

.quality-btn:hover {
  border-color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.quality-label {
  font-weight: 600;
  font-size: 1.1rem;
}

.filesize {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.quality-btn i {
  color: var(--accent-secondary);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-speed);
}

.quality-btn:hover i {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Modal Styles ========== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 2000;
  animation: fadeIn 0.3s;
  backdrop-filter: blur(5px);
}

.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 20px;
  text-align: center;
  min-width: 320px;
  max-width: 90%;
  animation: slideIn 0.3s;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
  margin-bottom: 1.5rem;
}

.modal-header i {
  font-size: 3rem;
  color: var(--accent-secondary);
  animation: bounce 1s infinite;
}

.modal-body {
  margin: 1.5rem 0;
}

.modal-body p {
  margin: 0.5rem 0;
}

/* Success Modal */
.success-modal {
  text-align: center;
  padding: 3rem;
}

.success-icon {
  font-size: 4rem;
  color: var(--success-color);
  margin-bottom: 1rem;
  animation: scaleIn 0.5s;
}

.close-modal-btn {
  margin-top: 1.5rem;
  padding: 0.8rem 2rem;
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-speed);
}

.close-modal-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(255, 0, 0, 0.3);
}

/* Loader */
.loader {
  border: 3px solid var(--border-color);
  border-top: 3px solid var(--accent-primary);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

.redirect-message {
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

#countdown {
  font-weight: 600;
  color: var(--accent-primary);
  font-size: 1.1rem;
}

/* ========== Action Buttons ========== */
.action-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.back-btn, .home-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 1rem 2rem;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 50px;
  transition: all var(--transition-speed);
  border: 2px solid transparent;
}

.back-btn:hover, .home-btn:hover {
  background-color: var(--accent-primary);
  color: white;
  transform: translateX(-5px);
  border-color: var(--accent-primary);
}

.home-btn:hover {
  transform: translateY(-3px);
}

/* ========== About Page Styles ========== */
.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.mission-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.mission-card {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition-speed);
}

.mission-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.mission-card i {
  font-size: 2.5rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  transition: transform var(--transition-speed);
}

.mission-card:hover i {
  transform: scale(1.1);
}

.mission-card h2 {
  margin-bottom: 1rem;
}

.mission-card p {
  color: var(--text-secondary);
}

/* Story Section */
.story-section {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  margin-bottom: 3rem;
  box-shadow: var(--shadow);
}

.story-section h2 {
  margin-bottom: 1rem;
  color: var(--accent-primary);
}

.story-section p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.8;
}

/* Developer Section */
.developer-section {
  margin-bottom: 3rem;
}

.developer-section h2 {
  text-align: center;
  margin-bottom: 2rem;
}

.developer-card {
  background: linear-gradient(135deg, var(--card-bg), var(--bg-secondary));
  padding: 2rem;
  border-radius: 20px;
  display: flex;
  gap: 2rem;
  align-items: center;
  box-shadow: var(--shadow);
  max-width: 600px;
  margin: 0 auto;
  transition: all var(--transition-speed);
  border: 2px solid transparent;
}

.developer-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  border-color: var(--accent-primary);
}

.developer-avatar {
  position: relative;
}

.developer-avatar i {
  font-size: 6rem;
  color: var(--accent-primary);
  transition: all var(--transition-speed);
}

.developer-card:hover .developer-avatar i {
  transform: scale(1.05) rotate(5deg);
  color: var(--accent-secondary);
}

.developer-info h3 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.developer-title {
  color: var(--accent-secondary);
  margin-bottom: 1rem;
  font-weight: 500;
}

.developer-contact {
  margin: 1rem 0;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 0.5rem;
  padding: 0.5rem;
  border-radius: 8px;
  transition: background-color var(--transition-speed);
}

.contact-item:hover {
  background-color: var(--bg-primary);
}

.contact-item i {
  color: var(--accent-primary);
  width: 20px;
}

.contact-item a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.contact-item a:hover {
  color: var(--accent-primary);
}

.developer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.developer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all var(--transition-speed);
  border: 2px solid transparent;
}

.developer-social a:hover {
  background-color: var(--accent-primary);
  color: white;
  transform: translateY(-3px) rotate(360deg);
  border-color: var(--accent-secondary);
}

/* Stats Section */
.stats-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.stat-card {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition-speed);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: rotate(45deg);
  transition: transform 0.6s;
}

.stat-card:hover::before {
  transform: rotate(45deg) translate(50%, 50%);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.stat-card i {
  font-size: 2rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.stat-card h3 {
  font-size: 2rem;
  color: var(--accent-secondary);
  margin-bottom: 0.5rem;
}

.stat-card p {
  color: var(--text-secondary);
  margin: 0;
}

/* Why Choose Section */
.why-choose-section {
  margin-top: 3rem;
}

.why-choose-section h2 {
  text-align: center;
  margin-bottom: 2rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition-speed);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-card i {
  font-size: 2.5rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  transition: transform var(--transition-speed);
}

.feature-card:hover i {
  transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ========== Contact Page Styles ========== */
.contact-content {
  max-width: 1200px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

/* Contact Info */
.contact-info {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.contact-info h2 {
  margin-bottom: 1rem;
  color: var(--accent-primary);
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.info-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.info-card {
  background-color: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: 10px;
  display: flex;
  gap: 1rem;
  align-items: center;
  transition: all var(--transition-speed);
  border: 2px solid transparent;
}

.info-card:hover {
  transform: translateX(5px);
  border-color: var(--accent-primary);
  background-color: var(--card-bg);
}

.info-card i {
  font-size: 1.5rem;
  color: var(--accent-primary);
  width: 50px;
  height: 50px;
  background-color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed);
}

.info-card:hover i {
  transform: rotate(360deg);
  background-color: var(--accent-primary);
  color: white;
}

.info-card h3 {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
}

.info-card p,
.info-card a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
}

/* Developer Quick Contact */
.developer-quick-contact {
  background: linear-gradient(135deg, var(--bg-secondary), var(--card-bg));
  padding: 1.5rem;
  border-radius: 15px;
  margin-top: 2rem;
}

.developer-quick-contact h3 {
  margin-bottom: 1rem;
  color: var(--accent-primary);
}

.developer-badge {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.developer-badge i {
  font-size: 3rem;
  color: var(--accent-primary);
  animation: pulse 2s infinite;
}

.developer-badge h4 {
  margin-bottom: 0.3rem;
  font-size: 1.2rem;
}

.developer-badge p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}

.developer-badge a {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-speed);
}

.developer-badge a:hover {
  color: var(--accent-secondary);
  text-decoration: underline;
}

/* Contact Form */
.contact-form-container {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.contact-form-container h2 {
  margin-bottom: 1.5rem;
  color: var(--accent-primary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 5px;
}

.form-group label i {
  color: var(--accent-primary);
  font-size: 1rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.8rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: inherit;
  transition: all var(--transition-speed);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.1);
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--error-color);
  animation: shake 0.5s ease;
}

.form-group input.success,
.form-group textarea.success {
  border-color: var(--success-color);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

/* ========== FAQ Section ========== */
.faq-section {
  margin-top: 4rem;
}

.faq-section h2 {
  text-align: center;
  margin-bottom: 2rem;
}

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

.faq-item {
  background-color: var(--card-bg);
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: var(--shadow);
  transition: all var(--transition-speed);
  border: 2px solid transparent;
}

.faq-item:hover {
  transform: translateY(-3px);
  border-color: var(--accent-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.faq-item h3 {
  margin-bottom: 0.5rem;
  color: var(--accent-primary);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 5px;
}

.faq-item h3 i {
  font-size: 1rem;
}

.faq-item p {
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* ========== Privacy Page Styles ========== */
.privacy-content {
  max-width: 800px;
  margin: 0 auto;
}

.privacy-card {
  background-color: var(--card-bg);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: var(--shadow);
}

.privacy-section {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-speed);
}

.privacy-section:hover {
  transform: translateX(5px);
}

.privacy-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.section-icon {
  font-size: 1.5rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  display: inline-block;
  animation: bounce 2s infinite;
}

.privacy-section h2 {
  margin-bottom: 1rem;
  color: var(--accent-primary);
  font-size: 1.3rem;
}

.privacy-section p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.privacy-list {
  list-style: none;
  padding-left: 0;
}

.privacy-list li {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
  line-height: 1.6;
}

.privacy-list li::before {
  content: '•';
  color: var(--accent-primary);
  font-weight: bold;
  position: absolute;
  left: 0;
  font-size: 1.2rem;
}

.privacy-list li strong {
  color: var(--accent-secondary);
}

.developer-contact-info {
  background: linear-gradient(135deg, var(--bg-secondary), var(--card-bg));
  padding: 1.5rem;
  border-radius: 12px;
  margin-top: 1rem;
  border-left: 4px solid var(--accent-primary);
}

.developer-contact-info p {
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.developer-contact-info i {
  color: var(--accent-primary);
  width: 20px;
}

.developer-contact-info a {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-speed);
}

.developer-contact-info a:hover {
  color: var(--accent-secondary);
  text-decoration: underline;
}

/* ========== Error Page Styles ========== */
.error-card {
  background-color: var(--card-bg);
  border-radius: 20px;
  padding: 3rem;
  text-align: center;
  box-shadow: var(--shadow);
  max-width: 500px;
  margin: 2rem auto;
  animation: fadeInUp 0.8s ease;
}

.error-icon {
  font-size: 4rem;
  color: var(--error-color);
  margin-bottom: 1rem;
  animation: shake 0.5s ease;
}

.error-card h1 {
  margin-bottom: 1rem;
  color: var(--error-color);
}

.error-card p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* ========== Footer Styles ========== */
.footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  margin-top: 4rem;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  width: 100%;
  height: 10px;
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer-section h3, .footer-section h4 {
  color: white;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.footer-section h3::after,
.footer-section h4::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 30px;
  height: 2px;
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 2px;
}

.footer-section p {
  color: #b3b3b3;
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-section ul li i {
  color: var(--accent-primary);
  width: 20px;
}

.footer-section a {
  color: #b3b3b3;
  text-decoration: none;
  transition: all var(--transition-speed);
  display: inline-block;
}

.footer-section a:hover {
  color: var(--accent-primary);
  transform: translateX(5px);
}

.social-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: all var(--transition-speed);
  border: 2px solid transparent;
}

.social-links a:hover {
  background: var(--accent-primary);
  transform: translateY(-3px) rotate(360deg);
  border-color: var(--accent-secondary);
}

.footer-bottom {
  text-align: center;
  padding: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.2);
}

.footer-bottom p {
  color: #b3b3b3;
  margin: 0;
  font-size: 0.9rem;
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translate(-50%, -60%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* ========== Responsive Design ========== */
@media (max-width: 1024px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .video-info {
    grid-template-columns: 250px 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--navbar-bg);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow);
    z-index: 1000;
    animation: slideIn 0.3s ease;
  }

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

  .hamburger {
    display: flex;
  }

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

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

  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

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

  .hero-subtitle {
    font-size: 1rem;
    padding: 0 1rem;
  }

  .input-group {
    flex-direction: column;
  }

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

  .video-info {
    grid-template-columns: 1fr;
  }

  .thumbnail-container {
    max-width: 400px;
    margin: 0 auto;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .developer-card {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }

  .contact-item {
    justify-content: center;
  }

  .developer-social {
    justify-content: center;
  }

  .privacy-card {
    padding: 1.5rem;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-section h3::after,
  .footer-section h4::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-section ul li {
    justify-content: center;
  }

  .social-links {
    justify-content: center;
  }

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

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

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

@media (max-width: 480px) {
  .main-content {
    padding: 1rem;
  }

  .container {
    padding: 0 1rem;
  }

  .download-card, 
  .preview-card,
  .privacy-card,
  .contact-info,
  .contact-form-container {
    padding: 1.5rem;
  }

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

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

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

  .stats-section {
    grid-template-columns: 1fr;
  }

  .developer-avatar i {
    font-size: 4rem;
  }

  .developer-info h3 {
    font-size: 1.5rem;
  }

  .modal-content {
    min-width: 280px;
    padding: 1.5rem;
  }

  .error-card {
    padding: 2rem;
  }

  .error-icon {
    font-size: 3rem;
  }

  .action-buttons {
    flex-direction: column;
  }

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

/* ========== Print Styles ========== */
@media print {
  .navbar,
  .footer,
  .theme-toggle,
  .hamburger,
  .submit-btn,
  .quality-btn,
  .action-buttons,
  .social-links {
    display: none !important;
  }

  body {
    background-color: white;
    color: black;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  * {
    box-shadow: none !important;
    text-shadow: none !important;
  }
}

/* ========== Accessibility ========== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus Styles for Accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Selection Color */
::selection {
  background-color: var(--accent-primary);
  color: white;
}

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

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(45deg, var(--accent-secondary), var(--accent-primary));
}
/* Download Modal Styles */
#downloadSources {
  margin-top: 20px;
  padding: 15px;
  background: linear-gradient(135deg, var(--bg-secondary), var(--card-bg));
  border-radius: 10px;
}

#sourceButtons {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 10px;
}

#sourceButtons a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 500;
  transition: all 0.3s;
}

#sourceButtons a:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(255, 0, 0, 0.3);
}

#closeBtn {
  margin-top: 20px;
  padding: 10px 30px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--accent-primary);
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s;
}

#closeBtn:hover {
  background: var(--accent-primary);
  color: white;
}