/* Reset and Base */
:root {
  --primary: #14B8A6;
  --primary-hover: #2DD4BF;
  --bg-color: #0B1220;
  --text-main: #E7F2F1;
  --text-muted: #94a3b8;
  --white: rgba(255, 255, 255, 0.06);
  --border: rgba(20, 184, 166, 0.3);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
}
a {
  text-decoration: none;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background: rgba(11, 18, 32, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.5);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}
.main-nav {
  display: flex;
  gap: 30px;
}
.main-nav a {
  color: var(--text-main);
  font-weight: 500;
  transition: color 0.2s ease;
}
.main-nav a:hover {
  color: var(--primary);
}
.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--primary);
  color: #0B1220;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 600;
  text-align: center;
  transition: background-color 0.2s ease;
}
.btn:hover {
  background: var(--primary-hover);
  color: #0B1220;
}
.btn-large {
  padding: 16px 40px;
  font-size: 1.125rem;
}

/* Hero Section */
.hero {
  padding: 100px 0;
  text-align: center;
  background: transparent;
}
.hero h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--text-main);
}
.hero h1 span {
  color: var(--primary);
}
.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
}

/* Section Common */
.section {
  padding: 80px 0;
}
.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 50px;
  color: var(--text-main);
}

/* Grid Layouts */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

/* Cards */
.card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.2s ease;
  border: 1px solid var(--border);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.card:hover {
  transform: translateY(-5px);
}
.card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--text-main);
}
.card p {
  color: var(--text-muted);
}

/* Streaming & AI Support */
.support-card {
  display: flex;
  align-items: center;
  text-align: left;
  gap: 20px;
}
.support-icon {
  background: rgba(20, 184, 166, 0.1);
  color: var(--primary);
  width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  flex-shrink: 0;
}

/* Pricing Table */
.pricing-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.pricing-card.popular {
  border-color: var(--primary);
  border-width: 2px;
  position: relative;
  box-shadow: 0 20px 25px -5px rgba(20, 184, 166, 0.15);
}
.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #0B1220;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}
.pricing-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-muted);
}
.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 20px 0;
}
.pricing-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}
.pricing-features {
  list-style: none;
  margin: 0 0 30px;
  text-align: left;
  flex-grow: 1;
}
.pricing-features li {
  padding: 10px 0;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.pricing-features li:last-child {
  border-bottom: none;
}
.pricing-features li::before {
  content: "✓";
  color: var(--primary);
  font-weight: bold;
  margin-right: 10px;
}

/* Reviews */
.review-card {
  text-align: left;
}
.stars {
  color: var(--primary-hover);
  font-size: 1.25rem;
  margin-bottom: 16px;
}
.review-text {
  font-style: italic;
  margin-bottom: 20px;
  color: var(--text-muted);
}
.reviewer {
  font-weight: 600;
  color: var(--text-main);
}

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid var(--border);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.faq-q {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
}
.faq-a {
  color: var(--text-muted);
}

/* Footer */
footer {
  background: #070B14;
  color: var(--text-muted);
  padding: 60px 0 30px;
  text-align: center;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--primary);
}
.copyright {
  font-size: 0.875rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
}

/* Content Pages */
.page-header {
  background: transparent;
  padding: 60px 0;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.page-header h1 {
  font-size: 2.5rem;
  color: var(--text-main);
}
.content-section {
  background: var(--white);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
  margin: 40px auto;
  max-width: 800px;
  border: 1px solid var(--border);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.content-section h2 {
  margin-top: 30px;
  margin-bottom: 15px;
  color: var(--text-main);
}
.content-section p {
  margin-bottom: 15px;
  color: var(--text-muted);
}
.content-section ul {
  margin-left: 20px;
  margin-bottom: 20px;
  color: var(--text-muted);
}

/* Media Queries (Mobile Responsive) */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .hero p {
    font-size: 1.125rem;
    padding: 0 15px;
  }
  .section-title {
    font-size: 2rem;
  }
  .btn {
    display: block;
    width: 100%;
    padding: 16px 20px;
    font-size: 1.125rem;
  }
  .header-btn {
    display: none;
  }
  .nav-inner {
    flex-direction: column;
    height: auto;
    padding: 15px 0;
    gap: 15px;
  }
  .main-nav {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .footer-links {
    flex-direction: column;
    gap: 20px;
  }
  .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }
  .pricing-card {
    padding: 30px 20px;
  }
  .content-section {
    padding: 20px;
    margin: 20px auto;
  }
}

/* ========================================= */
/* Radar Background Decoration Layer         */
/* ========================================= */
#radar-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -999;
    pointer-events: none;
    overflow: hidden;
}
.radar-wrapper {
    position: absolute;
    top: 50%;
    right: -15vw;
    transform: translateY(-50%);
    width: 1000px;
    height: 1000px;
    border-radius: 50%;
}
.radar-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(20, 184, 166, 0.2);
    border-radius: 50%;
}
.rc-1 { width: 400px; height: 400px; }
.rc-2 { width: 700px; height: 700px; }
.rc-3 { width: 1000px; height: 1000px; }

.radar-scanner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(from 0deg, transparent 70%, rgba(20, 184, 166, 0.3) 100%);
    -webkit-mask-image: radial-gradient(circle, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 70%);
    mask-image: radial-gradient(circle, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 70%);
    animation: radar-scan 5s linear infinite;
}

@keyframes radar-scan {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.radar-signal {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary);
}
.radar-signal::after {
    content: "";
    position: absolute;
    top: -16px;
    left: -16px;
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    opacity: 0;
    animation: radar-ping 3.5s infinite;
}

/* Signal Positions within wrapper */
.rs-1 { top: 35%; left: 45%; }
.rs-2 { top: 65%; left: 60%; }
.rs-3 { top: 40%; left: 25%; }

/* Staggered animation */
.rs-1::after { animation-delay: 0s; }
.rs-2::after { animation-delay: 1.2s; }
.rs-3::after { animation-delay: 2.4s; }

@keyframes radar-ping {
    0% { transform: scale(0.4); opacity: 0.8; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .radar-scanner, .radar-signal::after {
        animation: none !important;
    }
}

/* Accessibility: Skip to Main Content */
.skip-link {
    position: absolute;
    top: -9999px;
    left: 20px;
    background: var(--primary);
    color: #0B1220;
    padding: 12px 24px;
    font-weight: bold;
    border-radius: 6px;
    z-index: 100000;
    transition: top 0.2s ease;
}
.skip-link:focus {
    top: 20px;
}

/* Accessibility: Scroll Margin for sticky header */
[id], .section { 
    scroll-margin-top: 100px; 
}

/* Details/Summary FAQ visual match */
details.faq-item summary {
    list-style: none;
    cursor: pointer;
    outline: none;
}
details.faq-item summary::-webkit-details-marker {
    display: none;
}
details.faq-item[open] .faq-a,
details.faq-item[open] p {
    margin-top: 15px;
    animation: faqFade 0.3s ease forwards;
}
@keyframes faqFade {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}