/* Starlink Official Minimalist Dark Theme */
:root {
  --bg-dark: #05070c;
  --bg-card: rgba(18, 22, 34, 0.65);
  --border-light: rgba(255, 255, 255, 0.15);
  --border-accent: rgba(0, 210, 255, 0.4);
  
  --text-white: #ffffff;
  --text-dim: #9ca3af;
  --text-sub: #d1d5db;
  
  --accent-cyan: #00f0ff;
  --accent-blue: #2563eb;
  
  --font-starlink: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-white);
  font-family: var(--font-starlink);
  line-height: 1.5;
  overflow-x: hidden;
}

/* Background Cosmic Night Sky */
.bg-sky {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: 
    radial-gradient(circle at 75% 25%, rgba(30, 58, 138, 0.25) 0%, transparent 55%),
    radial-gradient(circle at 20% 70%, rgba(15, 23, 42, 0.9) 0%, transparent 60%),
    linear-gradient(180deg, #040508 0%, #080c16 50%, #030407 100%);
}

.bg-stars-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  background-image: 
    radial-gradient(1px 1px at 80px 120px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 250px 350px, #e2e8f0, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 450px 180px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(2px 2px at 750px 420px, #93c5fd, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 980px 220px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 1250px 520px, #60a5fa, rgba(0,0,0,0));
  background-size: 1200px 800px;
  opacity: 0.75;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Nav - Exact Starlink Style */
.starlink-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(5, 7, 12, 0.7);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: 4px;
  text-transform: uppercase;
}

.brand-title img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.nav-sub-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.nav-sub-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.header-right-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Starlink Official Pill Buttons */
.btn-starlink-white {
  background: #ffffff;
  color: #000000;
  border: 1px solid #ffffff;
  padding: 10px 24px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
  letter-spacing: 0.5px;
}

.btn-starlink-white:hover {
  background: #e2e8f0;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
}

.btn-starlink-dark {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 10px 24px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
}

.btn-starlink-dark:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #ffffff;
}

.btn-recommend-starlink {
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 240, 255, 0.35);
  padding: 10px 22px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-recommend-starlink:hover {
  background: rgba(0, 240, 255, 0.25);
  color: #fff;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.mobile-nav-btn {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Starlink Hero Section - Matching Screenshot Split Layout */
.starlink-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
}

.hero-left-content {
  max-width: 560px;
}

.hero-headline {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.hero-subhead {
  font-size: 1.15rem;
  color: var(--text-dim);
  margin-bottom: 32px;
  font-weight: 400;
}

.service-starting-tag {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 6px;
}

.starlink-price-callout {
  display: flex;
  align-items: baseline;
  margin-bottom: 36px;
}

.starlink-price-callout .currency {
  font-size: 2.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-right: 2px;
}

.starlink-price-callout .amount {
  font-size: 4.2rem;
  font-weight: 800;
  line-height: 1;
  color: #ffffff;
  letter-spacing: -1px;
}

.starlink-price-callout .unit {
  font-size: 1.1rem;
  color: #94a3b8;
  margin-left: 6px;
}

.hero-button-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-button-group .btn-starlink-white,
.hero-button-group .btn-starlink-dark,
.hero-button-group .btn-recommend-starlink {
  padding: 14px 32px;
  font-size: 1rem;
}

/* Starlink Satellite Visual Illustration (Right side) */
.hero-visual-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.satellite-card {
  width: 100%;
  max-width: 520px;
  aspect-ratio: 4 / 3;
  background: radial-gradient(circle at 50% 40%, rgba(30, 58, 138, 0.4), rgba(5, 7, 12, 0.8)),
              url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="500" height="400" viewBox="0 0 500 400"><defs><linearGradient id="g" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%2300f0ff" stop-opacity="0.8"/><stop offset="100%" stop-color="%232563eb" stop-opacity="0.3"/></linearGradient></defs><path d="M 320 120 L 440 170 L 260 260 L 140 210 Z" fill="url(%23g)" stroke="%23ffffff" stroke-width="2"/><line x1="290" y1="215" x2="290" y2="340" stroke="%23cbd5e1" stroke-width="6"/><line x1="240" y1="350" x2="340" y2="340" stroke="%2394a3b8" stroke-width="8"/><circle cx="390" cy="145" r="4" fill="%2300f0ff"/><path d="M 390 145 Q 430 110 470 90" stroke="%2300f0ff" stroke-width="2" stroke-dasharray="4,4" fill="none"/></svg>') center center no-repeat;
  background-size: cover;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.satellite-tag {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 0.88rem;
  color: #e2e8f0;
}

/* Sections & Grid */
.starlink-section {
  padding: 90px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sec-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.sec-sub {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 48px;
}

.grid-3-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4-col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* Feature & Pricing Cards - Starlink Dark Glass Aesthetic */
.sl-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 32px 24px;
  transition: all 0.25s ease;
}

.sl-card:hover {
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-3px);
  background: rgba(24, 30, 48, 0.8);
}

.sl-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.sl-card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Pricing Grid Specifics */
.pricing-card-sl {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pricing-card-sl.featured {
  border-color: var(--accent-cyan);
  background: linear-gradient(180deg, rgba(0, 240, 255, 0.08) 0%, var(--bg-card) 100%);
}

.plan-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.plan-sub {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.plan-cost {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
}

.plan-cost span {
  font-size: 0.9rem;
  color: var(--text-dim);
  font-weight: 400;
}

.plan-list {
  list-style: none;
  margin-bottom: 28px;
}

.plan-list li {
  font-size: 0.9rem;
  color: var(--text-sub);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.plan-list li::before {
  content: "—";
  color: var(--accent-cyan);
}

/* Tab Filter */
.tab-filter {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
}

.tab-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-dim);
  padding: 8px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s;
}

.tab-item.active, .tab-item:hover {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
}

/* Article Cards */
.art-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.art-card:hover {
  border-color: var(--accent-cyan);
}

.art-meta {
  font-size: 0.8rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  font-weight: 700;
}

.art-card h3 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.4;
}

.art-card p {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.art-read-more {
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.art-read-more:hover {
  color: var(--accent-cyan);
}

/* Reviews */
.rev-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 24px;
}

.rev-user {
  font-weight: 700;
  color: #fff;
  font-size: 1rem;
}

.rev-role {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.rev-body {
  font-size: 0.92rem;
  color: var(--text-sub);
  line-height: 1.6;
}

/* FAQ */
.faq-box {
  max-width: 860px;
}

.faq-row {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
}

.faq-q {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.faq-row.active .faq-a {
  max-height: 300px;
  margin-top: 12px;
}

.faq-a p {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Footer & PBN Links Area (Core Task 2) */
.starlink-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 60px 0 40px;
  background: #020306;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 3px;
  color: #fff;
}

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

.footer-links-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.88rem;
}

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

/* Low-profile PBN Link Area */
.pbn-link-area {
  font-size: 0.82rem;
  color: rgba(156, 163, 175, 0.7);
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
  margin-top: 12px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  width: 100%;
  max-width: 500px;
}

.pbn-link-area a {
  color: rgba(156, 163, 175, 0.8);
  text-decoration: none;
  transition: color 0.2s;
}

.pbn-link-area a:hover {
  color: #ffffff;
}

.copyright-text {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-left-content {
    max-width: 100%;
  }
  .starlink-price-callout {
    justify-content: center;
  }
  .hero-button-group {
    justify-content: center;
  }
  .grid-3-col, .grid-4-col {
    grid-template-columns: 1fr;
  }
  .nav-sub-links {
    display: none;
  }
  .mobile-nav-btn {
    display: block;
  }
}