/* ========================================
   LANDING PAGE & NAVIGATION - YAPlayer v2
   ======================================== */

/* Variables */
:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --secondary: #8b5cf6;
  --dark: #838383;
  --gray: #64748b;
  --light: #f8fafc;
  --white: #ffffff;
  --success: #10b981;
  --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  color: var(--dark);
  overflow-x: hidden;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--navbar-bg, rgba(255, 255, 255, 0.95));
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px var(--navbar-shadow, rgba(0, 0, 0, 0.1));
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 4px 20px var(--navbar-shadow, rgba(0, 0, 0, 0.15));
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--navbar-text, var(--dark));
  font-size: 24px;
  font-weight: 800;
}

.nav-logo-icon {
  font-size: 32px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  text-decoration: none;
  color: var(--navbar-text-muted, var(--gray));
  font-weight: 500;
  font-size: 15px;
  transition: color 0.3s ease;
  padding: 8px 0;
  display: block;
}

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

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
}

.nav-cta {
  background: var(--primary);
  color: white !important;
  padding: 10px 24px !important;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Mobile Menu */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--dark);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: var(--gradient);
  display: flex;
  align-items: center;
  padding: 100px 20px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><path d="M30 0L30 60M0 30L60 30" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></svg>');
  opacity: 0.3;
}

.hero-container {
  max-width: 100%;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 56px;
  font-weight: 800;
  color: white;
  line-height: 1.2;
  margin-bottom: 24px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-content .highlight {
  background: linear-gradient(45deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  padding: 14px 32px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: white;
  color: var(--primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: white;
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* Features Section */
.features {
  padding: 100px 20px;
  background: white;
}

.section-container {
  max-width: 100%;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  text-align: center;
  font-size: 42px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  font-size: 18px;
  color: var(--gray);
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}

.feature-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--light);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 24px;
  display: block;
}

.feature-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.6;
}

/* Pricing Section */
.pricing {
  padding: 100px 20px;
  background: var(--light);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  max-width: 1400px;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
  border-color: var(--primary);
  transform: scale(1.05);
}

.pricing-card.featured .pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
}

.pricing-plan {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pricing-price {
  font-size: 48px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}

.pricing-period {
  font-size: 16px;
  color: var(--gray);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  text-align: left;
}

.pricing-features li {
  padding: 12px 0;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 12px;
}

.pricing-features li::before {
  content: "✓";
  color: var(--success);
  font-weight: bold;
  font-size: 18px;
}

/* Footer */
.footer {
  background: #0f172a;
  color: white;
  padding: 60px 20px 30px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin-bottom: 24px;
}

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

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  font-size: 18px;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

.footer-section h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
}

/* Contact Page */
.page-header {
  background: var(--gradient);
  padding: 120px 20px 60px;
  text-align: center;
  color: white;
}

.page-header h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
}

.page-header p {
  font-size: 18px;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.contact-content {
  max-width: 100%;
  width: 100%;
  margin: -40px auto 80px;
  padding: 0 20px;
  background: white;
  border-radius: 20px;
  padding: 60px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.info-card {
  text-align: center;
  padding: 24px;
  background: var(--light);
  border-radius: 12px;
}

.info-card .icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.info-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.info-card p {
  color: var(--gray);
  font-size: 14px;
}

/* Support/FAQ Page */
.faq-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 60px 40px;
}

.faq-item {
  background: white;
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq-question {
  width: 100%;
  padding: 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 18px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: var(--light);
}

.faq-question .icon {
  font-size: 20px;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question .icon {
  transform: rotate(180deg);
}

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

.faq-answer-content {
  padding: 0 24px 24px;
  color: var(--gray);
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* Responsive */
@media (max-width: 968px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: white;
    flex-direction: column;
    padding: 40px 20px;
    transition: left 0.3s ease;
    gap: 20px;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
  }
  
  .hero-content h1 {
    font-size: 40px;
  }
  
  .features-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .contact-info {
    grid-template-columns: 1fr;
  }
}