:root {
  --bg: #0b0f19;
  --bg-card: rgba(18, 24, 38, 0.85);
  --bg-card-hover: rgba(28, 36, 56, 0.95);
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(255, 0, 0, 0.5);
  --yt-red: #ff0033;
  --yt-red-glow: rgba(255, 0, 51, 0.25);
  --text-main: #f3f4f6;
  --text-sub: #9ca3af;
  --text-muted: #6b7280;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Plus Jakarta Sans', sans-serif;
}

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

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

/* Background Glow Effects */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.glow-1 {
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 350px;
  background: radial-gradient(circle, rgba(255, 0, 51, 0.2), transparent 70%);
}

.glow-2 {
  top: 1000px;
  right: -100px;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12), transparent 70%);
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Navigation */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.15rem;
  font-family: var(--font-display);
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, #ff0033, #990022);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 0 15px var(--yt-red-glow);
}

.nav-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text-main);
}

.btn-nav {
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-main) !important;
  font-size: 0.88rem !important;
  transition: all 0.2s;
}

.btn-nav:hover {
  background: var(--yt-red) !important;
  border-color: var(--yt-red) !important;
  box-shadow: 0 0 15px var(--yt-red-glow);
}

/* Hero */
.hero {
  padding: 70px 0 50px;
  text-align: center;
}

.badge-featured {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 0, 51, 0.1);
  border: 1px solid rgba(255, 0, 51, 0.3);
  border-radius: 999px;
  color: #ff6b81;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero h1 span.highlight {
  background: linear-gradient(135deg, #ff4d6d, #ff0033);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  color: var(--text-sub);
  font-size: 1.2rem;
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--yt-red);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  border-radius: 10px;
  transition: all 0.2s;
  box-shadow: 0 4px 20px var(--yt-red-glow);
}

.btn-primary:hover {
  background: #e6002e;
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(255, 0, 51, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  border-radius: 10px;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.hero-metrics {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-metrics span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.star-rating {
  color: #fbbf24;
}

/* Interactive Speed Demo Card */
.demo-section {
  margin: 30px auto 70px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
}

.demo-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 18px;
  margin-bottom: 24px;
}

.demo-title {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-sub);
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.channel-card {
  background: rgba(11, 15, 25, 0.7);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.2s;
}

.channel-card:hover {
  border-color: var(--border-focus);
  transform: translateY(-2px);
}

.channel-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.channel-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.channel-avatar.dev { background: #3b82f6; color: #fff; }
.channel-avatar.podcast { background: #8b5cf6; color: #fff; }
.channel-avatar.music { background: #10b981; color: #fff; }

.channel-name h4 {
  font-size: 0.98rem;
  font-weight: 600;
}

.channel-name p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.speed-badge-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.speed-badge-wrap span {
  font-size: 0.85rem;
  color: var(--text-sub);
}

.speed-val {
  font-size: 1.1rem;
  font-weight: 700;
  color: #22c55e;
  font-family: monospace;
}

/* Problem vs Solution */
.comparison-section {
  padding: 60px 0;
}

.section-tag {
  color: var(--yt-red);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  text-align: center;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
}

.vs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.vs-card {
  padding: 30px;
  border-radius: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.vs-card.bad {
  border-left: 4px solid #ef4444;
}

.vs-card.good {
  border-left: 4px solid #22c55e;
  box-shadow: 0 0 30px rgba(34, 197, 94, 0.05);
}

.vs-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.vs-list {
  list-style: none;
}

.vs-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 14px;
  color: var(--text-sub);
  font-size: 0.98rem;
}

.vs-list li::before {
  position: absolute;
  left: 0;
  top: 1px;
}

.vs-card.bad .vs-list li::before {
  content: "✕";
  color: #ef4444;
  font-weight: 700;
}

.vs-card.good .vs-list li::before {
  content: "✓";
  color: #22c55e;
  font-weight: 700;
}

/* Features */
.features-section {
  padding: 60px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  transition: all 0.2s;
}

.feature-box:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 0, 51, 0.12);
  color: #ff4d6d;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.feature-box h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-box p {
  color: var(--text-sub);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* How it Works */
.steps-section {
  padding: 60px 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  text-align: center;
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 0, 51, 0.15);
  border: 1px solid rgba(255, 0, 51, 0.3);
  color: #ff6b81;
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-card p {
  color: var(--text-sub);
  font-size: 0.92rem;
}

/* Pricing Section */
.pricing-section {
  padding: 70px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 820px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.premium {
  border-color: rgba(255, 0, 51, 0.4);
  box-shadow: 0 0 35px rgba(255, 0, 51, 0.12);
  background: linear-gradient(180deg, rgba(28, 20, 30, 0.9), rgba(18, 24, 38, 0.95));
}

.popular-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--yt-red);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: 999px;
  box-shadow: 0 2px 10px var(--yt-red-glow);
}

.plan-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.plan-desc {
  color: var(--text-sub);
  font-size: 0.92rem;
  margin-bottom: 20px;
  min-height: 44px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 28px;
}

.price-num {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.price-cycle {
  color: var(--text-sub);
  font-size: 1rem;
}

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

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: var(--text-sub);
}

.check-icon {
  color: #22c55e;
  font-weight: 700;
}

.btn-card {
  width: 100%;
  padding: 14px 20px;
  border-radius: 10px;
  text-align: center;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s;
  cursor: pointer;
}

.btn-card-free {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text-main);
}

.btn-card-free:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-card-premium {
  background: var(--yt-red);
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px var(--yt-red-glow);
}

.btn-card-premium:hover {
  background: #e6002e;
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(255, 0, 51, 0.4);
}

.refund-guarantee {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 14px;
}

/* FAQ */
.faq-section {
  padding: 60px 0;
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 14px;
  padding: 22px 24px;
}

.faq-item h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* CTA Banner */
.cta-banner {
  margin: 40px auto 80px;
  background: linear-gradient(135deg, rgba(255, 0, 51, 0.15), rgba(18, 24, 38, 0.9));
  border: 1px solid rgba(255, 0, 51, 0.3);
  border-radius: 18px;
  padding: 50px 30px;
  text-align: center;
}

.cta-banner h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-banner p {
  color: var(--text-sub);
  font-size: 1.1rem;
  margin-bottom: 28px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--text-main);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a {
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text-main);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.3rem;
  }

  .demo-grid,
  .vs-grid,
  .features-grid,
  .steps-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .footer-top,
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}
