:root {
  --bg: #050a14;
  --bg-alt: #0a1120;
  --text: #f0f4ff;
  --secondary: #9aa8c7;
  --muted: #6b7a99;
  --line: rgba(255, 255, 255, 0.08);
  --card: rgba(12, 20, 38, 0.72);
  --accent: #5c6cff;
  --accent-bright: #7b89ff;
  --cyan: #00bcd4;
  --max: 1080px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background:
    radial-gradient(ellipse 80% 50% at 15% -10%, rgba(92, 108, 255, 0.22), transparent),
    radial-gradient(ellipse 50% 40% at 100% 0%, rgba(0, 188, 212, 0.12), transparent),
    var(--bg);
  line-height: 1.6;
  overflow-wrap: anywhere;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

a { color: var(--cyan); }

.skip {
  position: absolute;
  left: 12px;
  top: -120px;
  background: var(--bg-alt);
  color: var(--text);
  padding: 8px 12px;
  z-index: 5;
}

.skip:focus { top: 12px; }

.top {
  position: sticky;
  top: 0;
  z-index: 4;
  background: rgba(5, 10, 20, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.bar,
.nav,
.wrap,
.hero-inner,
.foot-inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
}

.brand {
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
  font-size: 18px;
}

.nav-toggle {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
}

.nav-btn {
  display: none;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  padding: 6px 10px;
  font-weight: 700;
  cursor: pointer;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: center;
  padding: 12px 0 16px;
}

.nav a {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.nav a[aria-current="page"] { color: var(--cyan); }

.nav-cta {
  margin-left: auto;
  background: linear-gradient(135deg, var(--accent) 0%, #4455ee 100%);
  color: #fff !important;
  border-radius: 999px;
  padding: 6px 12px;
  box-shadow: 0 8px 24px rgba(92, 108, 255, 0.35);
}

.langs {
  display: inline-flex;
  gap: 8px;
}

.langs a[aria-current="page"] { color: var(--cyan); }

.hero {
  padding: 56px 0 28px;
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 16ch;
}

.hero h1 span { color: var(--cyan); }

.lead,
.page-lead {
  margin: 0;
  max-width: 68ch;
  color: var(--secondary);
  font-size: 18px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.chips li {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 13px;
  color: #d5def2;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  border-radius: 10px;
  padding: 12px 16px;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #4455ee 100%);
  color: #fff;
  box-shadow: 0 8px 24px rgba(92, 108, 255, 0.35);
}

.btn-ghost {
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.btn-dark {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

main { padding-bottom: 12px; }

.section { padding: 28px 0 8px; }

.section h2,
.article h1 {
  margin: 0 0 10px;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.section h2 { font-size: 28px; }

.section > .wrap > p { color: var(--secondary); max-width: 72ch; }

.grid,
.plans {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card,
.plan,
.addons li {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.28);
}

.card {
  display: block;
  border-radius: 16px;
  padding: 18px 18px 16px;
  text-decoration: none;
  color: inherit;
}

.card h3 { margin: 0 0 8px; font-size: 20px; color: var(--text); }

.card p,
.plan p,
.note,
.crumbs,
.page-lead { color: var(--secondary); }

.card .more {
  display: inline-block;
  margin-top: 12px;
  font-weight: 700;
  color: var(--cyan);
}

.steps,
.plain {
  margin: 12px 0 0;
  padding-left: 18px;
}

.steps li,
.plain li { margin: 8px 0; }

.steps strong { display: block; color: var(--text); }

.crumbs {
  font-size: 14px;
  margin: 0 0 14px;
}

.crumbs a { color: var(--secondary); }

.article { padding: 36px 0 8px; }

.article h1 {
  font-size: clamp(32px, 4vw, 44px);
}

.article h2 {
  margin: 28px 0 8px;
  font-size: 24px;
  letter-spacing: -0.02em;
}

.plans { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.plan {
  border-radius: 16px;
  padding: 18px;
}

.plan.featured {
  border-color: rgba(92, 108, 255, 0.55);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.28), 0 0 40px rgba(92, 108, 255, 0.16);
}

.plan h3 { margin: 0; }

.price {
  margin: 8px 0;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.price span {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}

.plan ul { margin: 0; padding-left: 18px; }

.plan li { margin: 6px 0; }

.addons {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.addons li {
  border-radius: 12px;
  padding: 12px;
}

.addons strong { display: block; }

.note { font-size: 14px; }

.band {
  margin: 28px auto;
  background: linear-gradient(120deg, rgba(92, 108, 255, 0.28) 0%, rgba(0, 188, 212, 0.16) 50%, rgba(157, 123, 255, 0.22) 100%);
  border: 1px solid rgba(92, 108, 255, 0.28);
  border-radius: 18px;
  padding: 22px;
}

.band h2 { margin: 0 0 8px; }

.band p { color: var(--secondary); }

.reqs {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 8px 16px;
  margin: 12px 0 0;
}

.reqs dt { font-weight: 700; color: var(--secondary); }

.reqs dd { margin: 0; }

.foot {
  background: var(--bg-alt);
  color: var(--secondary);
  border-top: 1px solid var(--line);
  padding: 28px 0 36px;
  margin-top: 28px;
}

.foot a { color: var(--cyan); }

.foot h2 {
  color: var(--text);
  font-size: 16px;
  margin: 0 0 8px;
}

.foot ul { margin: 8px 0 0; padding-left: 18px; }

@media (max-width: 1100px) {
  .nav-btn {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 8px 14px;
  }
  .nav { display: none; padding-top: 0; }
  .nav-toggle:checked ~ .nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-bottom: 12px;
  }
  .nav-toggle:checked ~ .nav a {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  .nav-cta {
    margin: 8px 0 0;
    justify-content: center;
  }
  .langs {
    margin-top: 8px;
    gap: 16px;
  }
  .langs a { min-height: 44px; }
  .plans { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .hero { padding: 28px 0 8px; }
  .hero h1,
  .article h1 { font-size: clamp(28px, 9vw, 40px); max-width: none; }
  .lead,
  .page-lead { font-size: 16px; }
  .section h2 { font-size: 24px; }
  .article h2 { font-size: 22px; }
  .actions { flex-direction: column; }
  .actions .btn { width: 100%; }
  .grid,
  .addons,
  .reqs { grid-template-columns: 1fr; }
  .band { padding: 16px; }
  .price { font-size: 28px; }
  .foot { padding-bottom: calc(28px + env(safe-area-inset-bottom)); }
}

@media (min-width: 721px) and (max-width: 1100px) {
  .grid,
  .addons { grid-template-columns: 1fr 1fr; }
}