:root {
  --bg: #0b0d10;
  --bg-soft: #12161b;
  --card: #151a20;
  --line: #232b34;
  --fg: #e7ecf2;
  --fg-dim: #96a3b2;
  --accent: #4ade80;
  --accent-dim: #2c8f56;
  --radius: 14px;
  --wrap: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 .6em; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.dim { color: var(--fg-dim); }
.small { font-size: .875rem; }
.center { text-align: center; }

/* ── header ─────────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 13, 16, .82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
header .wrap {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}
.logo {
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--fg);
  font-size: .95rem;
}
.logo span { color: var(--accent); }
nav { margin-left: auto; display: flex; gap: 22px; }
nav a { color: var(--fg-dim); font-size: .9rem; }
nav a:hover { color: var(--fg); text-decoration: none; }
@media (max-width: 780px) { nav { display: none; } }

/* ── buttons ────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: .95rem;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #06210f; }
.btn-primary:hover { background: #6ee79b; }
.btn-ghost { border-color: var(--line); color: var(--fg); }
.btn-ghost:hover { border-color: var(--fg-dim); }

/* ── sections ───────────────────────────────────────────── */
section { padding: 84px 0; border-bottom: 1px solid var(--line); }
section > .wrap > h2 { margin-bottom: .3em; }
.lede { color: var(--fg-dim); max-width: 62ch; margin-bottom: 2.4em; }

.hero { padding: 96px 0 84px; border-bottom: 1px solid var(--line); }
.hero .tag {
  display: inline-block;
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 22px;
}
.hero p.sub { font-size: 1.15rem; color: var(--fg-dim); max-width: 56ch; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 34px; }
.facts { display: flex; flex-wrap: wrap; gap: 28px; color: var(--fg-dim); font-size: .9rem; }
.facts b { color: var(--fg); display: block; font-size: 1.05rem; }

/* ── grids / cards ──────────────────────────────────────── */
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.card h3 { margin-bottom: .4em; }
.card p { color: var(--fg-dim); margin: 0; font-size: .94rem; }

/* ── tariffs ────────────────────────────────────────────── */
.plan-single { max-width: 340px; margin: 0 auto; }
.plan { display: flex; flex-direction: column; position: relative; }
.plan.best { border-color: var(--accent-dim); }
.plan .badge {
  position: absolute;
  top: -11px;
  left: 24px;
  background: var(--accent);
  color: #06210f;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 3px 10px;
  border-radius: 999px;
}
.plan .term { color: var(--fg-dim); font-size: .9rem; text-transform: uppercase; letter-spacing: .08em; }
.plan .price { font-size: 2.3rem; font-weight: 700; margin: 8px 0 2px; letter-spacing: -0.03em; }
.plan .price small { font-size: .95rem; font-weight: 400; color: var(--fg-dim); letter-spacing: 0; }
.plan .per { color: var(--fg-dim); font-size: .9rem; min-height: 1.6em; }
.plan ul { list-style: none; padding: 0; margin: 18px 0 24px; color: var(--fg-dim); font-size: .92rem; }
.plan li { padding: 5px 0 5px 22px; position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); }
.plan .btn { margin-top: auto; text-align: center; }

/* ── steps ──────────────────────────────────────────────── */
.steps { counter-reset: s; }
.steps .card::before {
  counter-increment: s;
  content: counter(s);
  display: block;
  width: 30px; height: 30px;
  line-height: 30px;
  text-align: center;
  border-radius: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 14px;
}

/* ── faq ────────────────────────────────────────────────── */
details {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
details summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; color: var(--accent); font-weight: 400; font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { color: var(--fg-dim); margin: 12px 0 0; font-size: .95rem; }

/* ── payments ───────────────────────────────────────────── */
.pays { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.pays span {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: .88rem;
  color: var(--fg-dim);
}

/* ── requisites ─────────────────────────────────────────── */
.req { font-size: .92rem; color: var(--fg-dim); }
.req dt { color: var(--fg); font-weight: 600; margin-top: 12px; }
.req dd { margin: 2px 0 0; }

/* ── footer ─────────────────────────────────────────────── */
footer { padding: 40px 0 60px; color: var(--fg-dim); font-size: .88rem; }
footer .row { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }
footer nav { display: flex; gap: 18px; margin-left: auto; }
footer a { color: var(--fg-dim); }
footer a:hover { color: var(--fg); }

/* ── legal documents ────────────────────────────────────── */
.doc { padding: 56px 0 80px; max-width: 78ch; counter-reset: sec; }
.doc h2 { font-size: 1.25rem; margin-top: 2em; counter-increment: sec; }
/* пункты нумеруются «раздел.пункт» — оферта ссылается сама на себя (п. 5.3–5.4) */
.doc ol { list-style: none; padding-left: 2.8em; counter-reset: item; }
.doc li { margin-bottom: .5em; counter-increment: item; position: relative; }
.doc li::before {
  content: counter(sec) "." counter(item) ".";
  position: absolute;
  left: -2.8em;
  width: 2.4em;
  text-align: right;
  color: var(--fg-dim);
}
.doc .updated { color: var(--fg-dim); font-size: .88rem; }