/* ─────────────────────────────────────────────────────────────
   Free VPN satellite — base styles. Mobile-first, no frameworks.
   Единицы: rem / % / fr (без жёстких px в раскладке).
   ───────────────────────────────────────────────────────────── */

:root {
  --bg: #0f1216;
  --bg-soft: #171c23;
  --card: #1c222b;
  --line: #2a323d;
  --text: #e7ecf2;
  --muted: #9aa6b4;
  --accent: #3ddc84;          /* android green */
  --accent-2: #4f9cff;
  --warn: #ffb454;
  --radius: 0.875rem;
  --maxw: 56rem;
  --pad: clamp(1rem, 4vw, 2rem);
  font-size: 100%;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

/* ─── Header ─── */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(15, 18, 22, 0.85);
  backdrop-filter: blur(0.5rem);
  border-bottom: 0.0625rem solid var(--line);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 3.5rem; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; letter-spacing: -0.01em; }
.brand .dot { width: 0.7rem; height: 0.7rem; border-radius: 50%; background: var(--accent); flex: 0 0 auto; }
.nav { display: flex; gap: 1.1rem; font-size: 0.95rem; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--text); text-decoration: none; }

/* ─── Hero ─── */
.hero { padding-block: clamp(2.2rem, 7vw, 4rem) clamp(1.5rem, 5vw, 2.5rem); }
.hero h1 {
  font-size: clamp(1.7rem, 6vw, 2.75rem);
  line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.75rem;
}
.hero h1 .hl { color: var(--accent); }
.hero .lead { font-size: clamp(1.05rem, 2.5vw, 1.25rem); color: var(--muted); max-width: 42rem; margin: 0 0 1.5rem; }
.badges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.badge {
  font-size: 0.85rem; color: var(--muted);
  background: var(--bg-soft); border: 0.0625rem solid var(--line);
  padding: 0.3rem 0.7rem; border-radius: 999px;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 600; font-size: 1rem;
  padding: 0.7rem 1.3rem; border-radius: var(--radius);
  border: 0.0625rem solid transparent; cursor: pointer;
}
.btn-primary { background: var(--accent); color: #06140c; }
.btn-primary:hover { filter: brightness(1.08); text-decoration: none; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--muted); text-decoration: none; }

/* ─── Sections ─── */
section { padding-block: clamp(1.5rem, 5vw, 2.75rem); }
h2 { font-size: clamp(1.35rem, 4vw, 1.9rem); letter-spacing: -0.015em; margin: 0 0 0.5rem; }
h3 { font-size: 1.15rem; margin: 0 0 0.35rem; }
.section-intro { color: var(--muted); max-width: 44rem; margin: 0 0 1.5rem; }
p { margin: 0 0 1rem; }

/* ─── Steps ─── */
.steps { display: grid; gap: 0.85rem; counter-reset: step; }
.step {
  display: grid; grid-template-columns: 2.5rem 1fr; gap: 0.9rem; align-items: start;
  background: var(--card); border: 0.0625rem solid var(--line);
  border-radius: var(--radius); padding: 1rem 1.1rem;
}
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center;
  width: 2.5rem; height: 2.5rem; border-radius: 50%;
  background: var(--bg-soft); color: var(--accent); font-weight: 700; border: 0.0625rem solid var(--line);
}
.step p { margin: 0; color: var(--muted); font-size: 0.97rem; }
.step h3 { margin: 0 0 0.2rem; }

/* ─── App cards ─── */
.cards { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 40rem) { .cards { grid-template-columns: repeat(2, 1fr); } }
.card {
  background: var(--card); border: 0.0625rem solid var(--line);
  border-radius: var(--radius); padding: 1.2rem; display: flex; flex-direction: column; gap: 0.5rem;
}
.card .top { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; }
.card h3 { margin: 0; }
.tag { font-size: 0.78rem; color: var(--accent); background: rgba(61, 220, 132, 0.1); padding: 0.2rem 0.55rem; border-radius: 999px; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.card .meta { margin-top: auto; font-size: 0.85rem; color: var(--muted); display: flex; gap: 1rem; flex-wrap: wrap; }
.card .meta b { color: var(--text); font-weight: 600; }

/* ─── Callout ─── */
.callout {
  background: rgba(255, 180, 84, 0.08); border: 0.0625rem solid rgba(255, 180, 84, 0.3);
  border-radius: var(--radius); padding: 1rem 1.2rem; color: var(--text);
}
.callout b { color: var(--warn); }

/* ─── FAQ ─── */
.faq details {
  background: var(--card); border: 0.0625rem solid var(--line);
  border-radius: var(--radius); padding: 0.4rem 1.1rem; margin-bottom: 0.7rem;
}
.faq summary { cursor: pointer; font-weight: 600; padding-block: 0.7rem; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--accent); font-weight: 700; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--muted); margin: 0 0 0.9rem; }

/* ─── Footer ─── */
.site-footer { border-top: 0.0625rem solid var(--line); color: var(--muted); font-size: 0.9rem; padding-block: 2rem; margin-top: 1.5rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between; }

.toc { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.toc a { font-size: 0.9rem; color: var(--muted); border: 0.0625rem solid var(--line); padding: 0.3rem 0.7rem; border-radius: 999px; }
.toc a:hover { color: var(--text); text-decoration: none; border-color: var(--muted); }

.upd { font-size: 0.85rem; color: var(--muted); }

/* ─── Linked cards (хаб → платформы/клиенты) ─── */
a.card { color: inherit; text-decoration: none; transition: border-color .15s, transform .15s; }
a.card:hover { border-color: var(--accent); transform: translateY(-0.15rem); text-decoration: none; }
a.card .go { color: var(--accent); font-weight: 600; font-size: 0.9rem; margin-top: auto; }
.nav a.active { color: var(--text); }
.site-footer .cols { display: grid; gap: 0.3rem; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }
.prose-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; margin: 0.5rem 0 0; font-size: 0.95rem; }