/* Push2Mail — лендинг. Флэт-моно, тёмный, под стиль приложения. Без внешних зависимостей. */
:root {
  --bg: #0e0e0f;
  --panel: #17171a;
  --line: #262629;
  --ink: #f4f4f5;
  --ink2: #b6b6bd;
  --ink3: #77777f;
  --accent: #ffffff;
  --ok: #2fb566;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }

.wrap { max-width: 940px; margin: 0 auto; padding: 0 24px; }

/* ── Навигация ── */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(14,14,15,.82);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand .mark { width: 26px; height: 26px; border-radius: 7px; background: #1c1c20; display: grid; place-items: center; }
.brand b { font-family: var(--mono); font-size: 13px; letter-spacing: 2px; font-weight: 700; }
.nav-links { display: flex; gap: 22px; font-family: var(--mono); font-size: 11px; letter-spacing: 1.4px; color: var(--ink3); }
.nav-links a:hover { color: var(--ink); }

/* ── Секции ── */
section { padding: 64px 0; border-bottom: 1px solid var(--line); }
.kicker { font-family: var(--mono); font-size: 11px; letter-spacing: 2.5px; color: var(--ink3); text-transform: uppercase; margin: 0 0 14px; }
h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.05; letter-spacing: -1.5px; font-weight: 800; margin: 0 0 18px; }
h2 { font-size: clamp(24px, 4vw, 32px); line-height: 1.1; letter-spacing: -0.8px; font-weight: 700; margin: 0 0 28px; }
h3 { font-size: 17px; font-weight: 600; margin: 0 0 6px; }
p { color: var(--ink2); font-size: 16px; margin: 0 0 14px; }
.lead { font-size: clamp(17px, 2.4vw, 20px); color: var(--ink2); max-width: 640px; }

/* ── Hero ── */
.hero { padding-top: 72px; padding-bottom: 72px; }
.hero .badge {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 26px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 1.2px; color: var(--ink3);
  border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); }

/* ── Шаги ── */
.steps { display: grid; gap: 2px; }
.step { display: flex; gap: 18px; padding: 22px 0; border-top: 1px solid var(--line); }
.step:first-child { border-top: 0; }
.step .num { font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--ink3); padding-top: 2px; min-width: 26px; }

/* ── Фичи ── */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.card { background: var(--bg); padding: 24px; }
.card .ic { font-family: var(--mono); font-size: 11px; letter-spacing: 1.5px; color: var(--ink3); margin-bottom: 12px; }
.card p { font-size: 14px; margin: 0; }

/* ── Доверие ── */
.trust { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 40px; }
.trust h2 { margin-bottom: 14px; }
.trust ul { margin: 22px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.trust li { position: relative; padding-left: 26px; color: var(--ink2); font-size: 15px; }
.trust li::before { content: "→"; position: absolute; left: 0; color: var(--ink3); font-family: var(--mono); }

/* ── Юр-страницы ── */
.doc { padding: 56px 0 80px; }
.doc .meta { font-family: var(--mono); font-size: 11px; letter-spacing: 1px; color: var(--ink3); margin-bottom: 30px; }
.doc h2 { font-size: 20px; margin: 40px 0 12px; letter-spacing: -0.3px; }
.doc h2:first-of-type { margin-top: 0; }
.doc p, .doc li { color: var(--ink2); font-size: 15.5px; line-height: 1.65; }
.doc ul { padding-left: 22px; margin: 0 0 14px; }
.doc li { margin-bottom: 7px; }
.doc a { color: var(--ink); border-bottom: 1px solid var(--ink3); }
.note { color: var(--ink3); font-size: 13px; border-left: 2px solid var(--line); padding-left: 14px; margin: 8px 0 18px; }

/* ── Футер ── */
footer { padding: 40px 0; border-bottom: 0; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; justify-content: space-between; }
footer .links { display: flex; gap: 22px; font-family: var(--mono); font-size: 11px; letter-spacing: 1.2px; color: var(--ink3); }
footer .links a:hover { color: var(--ink); }
footer .copy { font-family: var(--mono); font-size: 11px; letter-spacing: 1px; color: var(--ink3); }

@media (max-width: 560px) {
  section { padding: 48px 0; }
  .trust { padding: 28px; }
}