@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  --bg-gradient: linear-gradient(135deg, #0F0C29 0%, #302B63 50%, #24243E 100%);
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-border: 1px solid rgba(255, 255, 255, 0.12);
  --glass-border-hover: 1px solid rgba(255, 255, 255, 0.28);
  --glass-radius: 24px;
  --text-main: #FFFFFF;
  --text-muted: rgba(255, 255, 255, 0.72);
  --text-sub: rgba(255, 255, 255, 0.48);
  --accent-pink: #FF6EC7;
  --accent-blue: #4A9EFF;
  --accent-mint: #5EEAD4;
  --accent-purple: #9d4edd;
  --font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

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

body {
  font-family: var(--font-family);
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background Canvas for Particles */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* Three Blurred Orbs */
.orb-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.65;
  will-change: transform;
  pointer-events: none;
}

.orb-pink {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #FF6EC7 0%, rgba(255, 110, 199, 0) 70%);
  top: 5%;
  left: 10%;
}

.orb-blue {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #4A9EFF 0%, rgba(74, 158, 255, 0) 70%);
  top: 45%;
  right: 5%;
}

.orb-mint {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, #5EEAD4 0%, rgba(94, 234, 212, 0) 70%);
  bottom: 5%;
  left: 30%;
}

/* Global Content Wrapper */
.content-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Floating Pill-shaped Glass Navigation */
.nav-wrapper {
  position: fixed;
  top: 24px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  z-index: 1000;
  padding: 0 16px;
  pointer-events: none;
}

.glass-nav {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 12px 28px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: var(--glass-border);
  border-radius: 9999px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  max-width: 1080px;
  width: 100%;
  transition: all 0.3s ease;
}

.glass-nav:hover {
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-blue));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(255, 110, 199, 0.5);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-links a.badge-link {
  color: var(--accent-mint);
  font-weight: 600;
}

.nav-cta-btn {
  padding: 10px 22px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #FF6EC7, #4A9EFF);
  color: #fff;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 110, 199, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.nav-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(74, 158, 255, 0.5);
}

/* Glass Surface Standard */
.glass-card {
  position: relative;
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--glass-radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.2, 0, 0, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.24);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

/* Interactive Cursor Radial Glow on Cards */
.glass-glow-card {
  position: relative;
}

.card-glow-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: radial-gradient(400px circle at var(--glow-x, 50%) var(--glow-y, 50%), rgba(74, 158, 255, 0.18), transparent 60%);
  z-index: 1;
}

.glass-glow-card:hover .card-glow-layer {
  opacity: 1;
}

.card-inner {
  position: relative;
  z-index: 2;
  padding: 32px;
}

/* Hero Section */
.hero-section {
  padding-top: 170px;
  padding-bottom: 80px;
  text-align: center;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(12px);
  margin-bottom: 24px;
  font-size: 0.88rem;
  color: var(--accent-mint);
  font-weight: 500;
}

.hero-pill-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-mint);
  box-shadow: 0 0 10px var(--accent-mint);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-size: 3.8rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

/* Animated Gradient Text (200% bg-size, 8s shift) */
.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 0%, #FF6EC7 30%, #4A9EFF 65%, #5EEAD4 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 8s ease infinite;
}

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

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #FF6EC7 0%, #4A9EFF 100%);
  color: #fff;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
  box-shadow: 0 8px 30px rgba(255, 110, 199, 0.4);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(74, 158, 255, 0.6);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 34px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
  backdrop-filter: blur(16px);
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-3px);
}

/* 3 Glass Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 20px;
  margin-bottom: 80px;
}

.stat-card {
  padding: 28px 20px;
  text-align: center;
}

.stat-value {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #fff 0%, var(--accent-mint) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-mint);
  margin-bottom: 12px;
  font-weight: 600;
}

.section-title {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 auto;
}

/* Core Advantages: 3 Image/Icon Cards */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 100px;
}

.adv-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.8rem;
}

.adv-title {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: #fff;
}

.adv-text {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

/* Features as 3x2 Glass Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 100px;
}

.feature-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 16px;
  background: rgba(255, 110, 199, 0.15);
  color: var(--accent-pink);
  border: 1px solid rgba(255, 110, 199, 0.3);
}

.feature-badge.blue {
  background: rgba(74, 158, 255, 0.15);
  color: var(--accent-blue);
  border-color: rgba(74, 158, 255, 0.3);
}

.feature-badge.mint {
  background: rgba(94, 234, 212, 0.15);
  color: var(--accent-mint);
  border-color: rgba(94, 234, 212, 0.3);
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: #fff;
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Streaming & AI Cards */
.media-ai-section {
  margin-bottom: 100px;
}

.media-ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.media-card {
  padding: 40px;
}

.media-badges-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.media-tag {
  padding: 8px 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.9rem;
  font-weight: 500;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Pricing Section */
.pricing-section {
  margin-bottom: 100px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px 32px;
  position: relative;
}

.pricing-card.featured {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 110, 199, 0.4);
  box-shadow: 0 20px 45px rgba(255, 110, 199, 0.2);
  transform: scale(1.03);
}

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

.pricing-ribbon {
  position: absolute;
  top: 18px;
  right: 20px;
  padding: 4px 14px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #FF6EC7, #4A9EFF);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
}

.plan-name {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.plan-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.plan-price {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.plan-price .currency {
  font-size: 1.5rem;
}

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

.plan-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.plan-features li {
  padding: 10px 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-features li .check-icon {
  color: var(--accent-mint);
  font-weight: bold;
}

.plan-cta-btn {
  display: block;
  text-align: center;
  padding: 14px 24px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.plan-cta-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
}

.pricing-card.featured .plan-cta-btn {
  background: linear-gradient(135deg, #FF6EC7, #4A9EFF);
  border: none;
  box-shadow: 0 6px 20px rgba(255, 110, 199, 0.4);
}

.pricing-card.featured .plan-cta-btn:hover {
  box-shadow: 0 8px 25px rgba(74, 158, 255, 0.6);
}

/* User Reviews Section */
.reviews-section {
  margin-bottom: 100px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  padding: 32px;
}

.review-stars {
  color: #FFB800;
  font-size: 1.1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.review-quote {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 1.1rem;
}

.author-info h4 {
  font-size: 1rem;
  color: #fff;
}

.author-info p {
  font-size: 0.85rem;
  color: var(--text-sub);
}

/* FAQ Accordion Section */
.faq-section {
  margin-bottom: 120px;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  padding: 24px 28px;
  cursor: pointer;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
}

.faq-toggle-icon {
  font-size: 1.4rem;
  color: var(--accent-mint);
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0, 1, 0, 1), opacity 0.3s ease;
  opacity: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.75;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  opacity: 1;
  padding-top: 16px;
  transition: max-height 0.4s cubic-bezier(1, 0, 1, 0), opacity 0.3s ease;
}

/* Footer (Strictly 4 links as requested) */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(15, 12, 41, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 60px 0 40px;
  text-align: center;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: var(--accent-mint);
}

.footer-copy {
  color: var(--text-sub);
  font-size: 0.88rem;
}

/* Mobile Responsive */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.8rem;
  }
  .advantages-grid,
  .features-grid,
  .pricing-grid,
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-card.featured {
    transform: none;
  }
  .pricing-card.featured:hover {
    transform: translateY(-4px);
  }
}

@media (max-width: 768px) {
  .nav-wrapper {
    top: 12px;
    padding: 0 12px;
  }
  
  .glass-nav {
    padding: 10px 18px;
    gap: 12px;
  }

  .nav-links {
    display: none; /* Mobile menu can be compact */
  }

  .brand-logo {
    font-size: 1.1rem;
  }

  .nav-cta-btn {
    padding: 8px 16px;
    font-size: 0.85rem;
  }

  .hero-section {
    padding-top: 130px;
    padding-bottom: 50px;
  }

  .hero-title {
    font-size: 2.2rem;
    letter-spacing: -0.5px;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 14px;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
    font-size: 1rem;
  }

  .stats-grid,
  .advantages-grid,
  .features-grid,
  .media-ai-grid,
  .pricing-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .stat-card {
    padding: 20px;
  }

  .stat-value {
    font-size: 2.2rem;
  }

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

  .footer-nav {
    flex-direction: column;
    gap: 18px;
  }
}