:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #eef2ff;
  --bg-card: #ffffff;
  --accent-primary: #2563eb;
  --accent-secondary: #1d4ed8;
  --accent-tertiary: #0f766e;
  --accent-soft: #38bdf8;
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #0f766e 60%, #38bdf8 100%);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: rgba(15, 23, 42, 0.09);
  --border-strong: rgba(15, 23, 42, 0.16);
  --shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 18px 45px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 28px 70px rgba(15, 23, 42, 0.14);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max-width: 1180px;
}

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

html { height: 100%; }
body {
  min-height: 100%;
  font-family: "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text-primary);
  background: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

nav {
  position: sticky; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1rem 2rem;
  background: #ffffff;
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(37, 99, 235, 0.08);
}
.logo {
  display: inline-flex; align-items: center; gap: 0.85rem;
  text-decoration: none; font-weight: 700; font-size: 1.1rem; letter-spacing: -0.01em;
}
.logo-icon {
  width: 38px; height: 38px; border-radius: 12px; overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.08); box-shadow: var(--shadow-sm); background: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.logo-icon img { width: 100%; height: 100%; object-fit: cover; }
.nav-links { display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; }
.nav-links a { text-decoration: none; font-size: 0.95rem; font-weight: 500; color: var(--text-secondary); transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent-primary); }

.section { padding: 80px 24px; background: #fff; }
.section-alt { background: var(--bg-primary); }
.shell { width: min(100%, var(--max-width)); margin: 0 auto; }

.hero {
  padding: 80px 24px 60px;
  background:
    radial-gradient(60% 70% at 90% 0%, rgba(37, 99, 235, 0.12), transparent 60%),
    radial-gradient(60% 70% at 0% 100%, rgba(15, 118, 110, 0.10), transparent 60%),
    #fff;
}
.hero-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr); gap: 2rem; align-items: center; }
.hero-content { text-align: left; max-width: 720px; }
.badge {
  display: inline-flex; align-items: center; gap: 0.7rem;
  padding: 0.55rem 1rem; margin-bottom: 1.5rem;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent-primary);
  font-size: 0.92rem; font-weight: 500;
}
.badge::before {
  content: ""; width: 10px; height: 10px; border-radius: 999px;
  background: var(--accent-primary); animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }

h1, h2, h3, h4 { line-height: 1.1; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 4.5vw, 4rem); font-weight: 800; margin-bottom: 1.1rem; }
.gradient-text { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-content > p { font-size: 1.15rem; color: var(--text-secondary); max-width: 680px; margin: 0 0 1.8rem; }

.cta-buttons { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.8rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  min-height: 50px; padding: 0.85rem 1.4rem; border-radius: 14px;
  border: 0; text-decoration: none; cursor: pointer;
  font-size: 1rem; font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
  font-family: inherit;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: var(--accent-gradient); box-shadow: 0 12px 28px rgba(37, 99, 235, 0.25); }
.btn-primary:hover { box-shadow: 0 16px 36px rgba(37, 99, 235, 0.35); }
.btn-secondary {
  color: var(--text-primary); background: #fff;
  border: 1px solid var(--border-color); box-shadow: var(--shadow-sm);
}
.btn-secondary:hover { background: #f8fafc; border-color: var(--border-strong); }

.hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; max-width: 720px; }
.stat {
  padding: 1rem; border-radius: 18px;
  border: 1px solid var(--border-color); background: #fff; box-shadow: var(--shadow-sm);
}
.stat-value { font-size: 1.7rem; font-weight: 800; }
.stat-label { font-size: 0.92rem; color: var(--text-secondary); }

.hero-install-card {
  display: grid; gap: 1.1rem; padding: 1.6rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(37, 99, 235, 0.16);
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.05), rgba(15, 118, 110, 0.04)), #fff;
  box-shadow: var(--shadow-md);
}
.hero-install-top { display: flex; align-items: center; gap: 1rem; }
.hero-install-icon {
  width: 60px; height: 60px; border-radius: 16px;
  border: 1px solid var(--border-color); background: #fff;
  box-shadow: var(--shadow-sm); flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 28px;
}
.hero-install-icon img { width: 100%; height: 100%; object-fit: cover; }
.hero-install-eyebrow {
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--accent-primary);
}
.hero-install-card h2 { font-size: 1.5rem; font-weight: 800; margin-top: 0.2rem; }
.hero-install-card > p { font-size: 1rem; color: var(--text-secondary); }
.important-note {
  padding: 0.75rem 1rem; border-radius: 12px;
  border: 1px solid rgba(245, 158, 11, 0.28);
  background: rgba(245, 158, 11, 0.10);
  color: #92400e; font-size: 0.95rem; line-height: 1.5;
}
.important-note strong { font-weight: 800; }
.hero-install-points { display: grid; gap: 0.7rem; }
.hero-install-point {
  padding: 0.85rem 1rem; border-radius: 14px;
  border: 1px solid var(--border-color); background: #fff;
}
.hero-install-point strong { display: block; margin-bottom: 0.15rem; font-size: 0.95rem; }
.hero-install-point span { font-size: 0.9rem; color: var(--text-secondary); }

.section-header { max-width: 760px; text-align: center; margin: 0 auto 2rem; }
.section-header h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800; margin-bottom: 0.8rem; }
.section-header p { font-size: 1.05rem; color: var(--text-secondary); }

.comparison-grid, .features-grid, .pricing-grid, .faq-grid { display: grid; gap: 1.25rem; }
.comparison-grid, .pricing-grid, .faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.features-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.comparison-card, .feature-card, .pricing-card, .privacy-card, .faq-item {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
  padding: 1.6rem;
}
.pricing-card { display: flex; flex-direction: column; height: 100%; }
.comparison-card.premium, .pricing-card.featured {
  border-color: rgba(245, 158, 11, 0.30);
  box-shadow: 0 20px 46px rgba(245, 158, 11, 0.18);
}
.comparison-badge, .pill {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; padding: 0.3rem 0.7rem;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.02em;
  background: rgba(37, 99, 235, 0.12); color: var(--accent-primary);
}
.comparison-card.premium .comparison-badge, .pricing-card.featured .pill {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  color: #92400e;
}

.comparison-title, .pricing-tier { font-size: 1.5rem; font-weight: 800; margin: 1rem 0 0.3rem; }
.comparison-desc, .pricing-desc, .feature-card p, .privacy-content p {
  color: var(--text-secondary); font-size: 1rem; line-height: 1.65;
}

.comparison-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.6rem; margin: 1rem 0; }
.comparison-metrics .metric {
  padding: 0.7rem; border-radius: 12px; background: var(--bg-primary);
  border: 1px solid var(--border-color);
}
.comparison-metrics .metric strong { display: block; font-size: 1.15rem; }
.comparison-metrics .metric span { font-size: 0.85rem; color: var(--text-secondary); }

.check-list, .pricing-features { list-style: none; margin: 1rem 0; }
.check-list li, .pricing-features li {
  position: relative; padding-left: 1.7rem;
  margin-bottom: 0.55rem; font-size: 0.97rem;
  color: var(--text-primary);
}
.check-list li::before, .pricing-features li::before {
  content: "✓"; position: absolute; left: 0; top: -1px;
  width: 1.2rem; height: 1.2rem; border-radius: 999px;
  background: rgba(15, 118, 110, 0.12); color: var(--accent-tertiary);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 800;
}
.pricing-features li.disabled { color: var(--text-muted); text-decoration: line-through; }
.pricing-features li.disabled::before { background: rgba(148, 163, 184, 0.18); color: var(--text-muted); content: "×"; }

.feature-card { padding: 1.4rem; }
.feature-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(37, 99, 235, 0.12); color: var(--accent-primary);
  font-size: 0.85rem; font-weight: 800; letter-spacing: 0.05em;
  margin-bottom: 0.8rem;
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }

.pricing-tier { margin-top: 0.4rem; }
.pricing-price { font-size: 2.4rem; font-weight: 800; margin: 0.4rem 0 0.6rem; }
.pricing-price span { font-size: 0.9rem; color: var(--text-secondary); font-weight: 500; }
.pricing-original { color: var(--text-muted); text-decoration: line-through; font-size: 1.05rem; }
.pricing-save {
  font-size: 0.85rem; color: #92400e;
  background: rgba(245, 158, 11, 0.12);
  padding: 0.3rem 0.6rem; border-radius: 8px; display: inline-block;
  margin-bottom: 0.7rem;
}

.privacy-card { display: grid; grid-template-columns: 80px 1fr; gap: 1.2rem; align-items: start; }
.privacy-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: rgba(15, 118, 110, 0.12); color: var(--accent-tertiary);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; letter-spacing: 0.05em;
}
.privacy-content h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.privacy-content a {
  color: var(--accent-primary); font-weight: 600; text-decoration: none;
  display: inline-block; margin-top: 0.6rem;
}
.privacy-content a:hover { text-decoration: underline; }
.legal-note { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.8rem; }

.faq-grid { gap: 0.9rem; }
.faq-item { padding: 1.2rem 1.4rem; cursor: pointer; }
.faq-item summary {
  font-weight: 700; font-size: 1rem; color: var(--text-primary);
  list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--accent-primary); font-weight: 700; }
.faq-item[open] summary::after { content: "−"; }
.faq-answer { margin-top: 0.7rem; color: var(--text-secondary); font-size: 0.97rem; line-height: 1.65; }

.steps {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.step-card {
  padding: 1.4rem; border-radius: var(--radius-md);
  border: 1px solid var(--border-color); background: #fff; box-shadow: var(--shadow-sm);
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 999px;
  background: var(--accent-gradient); color: #fff;
  font-weight: 800; font-size: 0.92rem;
  margin-bottom: 0.7rem;
}
.step-card h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.step-card p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; }

footer {
  background: var(--bg-primary); border-top: 1px solid var(--border-color);
  padding: 32px 24px; text-align: center;
}
.footer-logo {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-weight: 700; margin-bottom: 0.6rem;
}
.footer-links {
  display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap;
  margin: 0.6rem 0; font-size: 0.92rem;
}
.footer-links a { color: var(--text-secondary); text-decoration: none; }
.footer-links a:hover { color: var(--accent-primary); }
.footer-copy { font-size: 0.82rem; color: var(--text-muted); }

.prose { max-width: 760px; margin: 0 auto; }
.prose h1 { font-size: 2.2rem; margin-bottom: 1rem; }
.prose h2 { font-size: 1.5rem; margin: 1.6rem 0 0.6rem; }
.prose h3 { font-size: 1.15rem; margin: 1.2rem 0 0.4rem; }
.prose p, .prose li { color: var(--text-secondary); font-size: 1rem; line-height: 1.7; margin-bottom: 0.7rem; }
.prose ul { margin: 0 0 1rem 1.4rem; }

@media (max-width: 900px) {
  .hero-layout { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .comparison-grid, .pricing-grid, .faq-grid { grid-template-columns: 1fr; }
  .privacy-card { grid-template-columns: 1fr; }
  nav { padding: 0.8rem 1rem; }
  .nav-links { gap: 0.9rem; }
  .section { padding: 56px 18px; }
}