:root {
  --bg: #05060a;
  --panel: rgba(255, 255, 255, 0.04);
  --text: #e9ecf5;
  --muted: #b9bed1;
  --accent: linear-gradient(120deg, #66e7ff, #8f7dff, #ff8ae2);
  --border: rgba(255, 255, 255, 0.08);
  --card: rgba(255, 255, 255, 0.06);
  --glass: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 24px 72px;
  background: radial-gradient(circle at 20% 20%, rgba(143, 125, 255, 0.14), transparent 32%),
    radial-gradient(circle at 80% 0%, rgba(102, 231, 255, 0.14), transparent 30%),
    var(--bg);
  min-height: 100vh;
  color: var(--text);
}

a {
  color: inherit;
}

.nav {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  background: linear-gradient(to bottom, rgba(5, 6, 10, 0.9), rgba(5, 6, 10, 0.4));
  backdrop-filter: blur(14px);
  z-index: 10;
}

.nav nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

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

.nav a:hover {
  color: #fff;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1.1rem;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  align-items: center;
  padding: 48px 0 16px;
}

.hero__content h1 {
  font-size: clamp(2.6rem, 4vw, 3.6rem);
  margin: 12px 0 16px;
  line-height: 1.05;
}

.hero__content .lede {
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  text-decoration: none;
  font-weight: 600;
  color: #fff;
  transition: transform 0.15s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.btn.primary {
  background-image: var(--accent);
  border: none;
  color: #0a0816;
  box-shadow: 0 14px 38px rgba(255, 138, 226, 0.18);
}

.btn.secondary {
  background: var(--card);
}

.btn.ghost {
  background: transparent;
}

.btn.small {
  padding: 10px 14px;
  font-size: 0.95rem;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.stat {
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
}

.stat__value {
  font-size: 1.3rem;
  font-weight: 700;
}

.stat__label {
  display: block;
  color: var(--muted);
  margin-top: 6px;
}

.hero__panel {
  display: flex;
  justify-content: flex-end;
}

.panel__card {
  padding: 24px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  max-width: 420px;
}

.panel__badge {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.85rem;
}

.panel__list {
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.6;
}

.panel__list li + li {
  margin-top: 8px;
}

.panel__cta {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.section {
  padding: 64px 0 32px;
}

.section.alt {
  background: rgba(255, 255, 255, 0.02);
  padding: 64px 24px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.section__header {
  max-width: 720px;
  margin: 0 auto 32px;
  text-align: center;
}

.section__lede {
  color: var(--muted);
  margin-top: 12px;
}

.eyebrow {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: #9fb4ff;
  font-weight: 700;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  line-height: 1.6;
  color: var(--muted);
}

.card h3 {
  color: #fff;
  margin-bottom: 8px;
}

.card .icon {
  font-size: 1.6rem;
}

.glass {
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.features article {
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.features article:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.timeline {
  display: grid;
  gap: 16px;
  margin: 32px auto;
  max-width: 760px;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  background: var(--card);
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  line-height: 1.6;
}

.step__index {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-image: var(--accent);
  font-weight: 700;
  color: #0a0816;
}

.install__cta {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.benefits .card {
  min-height: 160px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.cta__actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.faq {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.faq details {
  background: var(--card);
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 14px 16px;
  color: var(--muted);
}

.faq summary {
  font-weight: 600;
  color: #fff;
}

.footer {
  margin-top: 48px;
  padding: 24px 0 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.footer__links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.gradient-text {
  background-image: var(--accent);
  -webkit-background-clip: text;
  color: transparent;
}

.bg-deco {
  position: fixed;
  filter: blur(120px);
  opacity: 0.35;
  z-index: -1;
}

.bg-deco-1 {
  width: 320px;
  height: 320px;
  background: #8f7dff;
  top: -40px;
  left: -40px;
}

.bg-deco-2 {
  width: 300px;
  height: 300px;
  background: #66e7ff;
  bottom: -50px;
  right: -50px;
}

@media (max-width: 720px) {
  body {
    padding: 0 18px 60px;
  }

  .nav {
    position: sticky;
    top: 0;
  }

  .nav nav {
    display: none;
  }

  .panel__card {
    max-width: 100%;
  }
}