/* uptime.studio — общие стили.
   Токены задаются один раз; тёмная тема переопределяет только их,
   компоненты цвета напрямую не трогают. */

:root {
  --ground: #F2F5F4;
  --surface: #FFFFFF;
  --surface-2: #E9EEEC;
  --ink: #0F1714;
  --ink-2: #3D4A45;
  --muted: #5C6B65;
  --line: #D6DFDB;
  --signal: #0E8C7E;
  --signal-soft: #C3E4DE;
  --alert: #C8553D;

  --body: "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", "Segoe UI Mono", Consolas, "Liberation Mono", monospace;

  --col: 70rem;
  --step: clamp(1.25rem, 3.2vw, 2rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0C1210;
    --surface: #131B18;
    --surface-2: #172019;
    --ink: #E8EFEB;
    --ink-2: #B4C2BC;
    --muted: #8B9A93;
    --line: #24302B;
    --signal: #2BBFA6;
    --signal-soft: #1E3B37;
    --alert: #D9705A;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--col); margin: 0 auto; padding: 0 var(--step); }

.skip {
  position: absolute; left: -9999px;
  background: var(--signal); color: #fff; padding: 0.6rem 1rem; z-index: 10;
}
.skip:focus { left: 1rem; top: 1rem; }

/* ---------- шапка ---------- */

.topbar { border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--ground); z-index: 5; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 3.75rem; }

.logo { font-family: var(--mono); font-size: 0.95rem; text-decoration: none; color: var(--ink); letter-spacing: -0.01em; }
.logo span { color: var(--signal); }

.nav { display: flex; gap: 1.5rem; }
.nav a, .mobnav a {
  text-decoration: none; color: var(--ink-2); font-size: 0.9375rem;
  border-bottom: 1px solid transparent; padding-bottom: 2px;
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current] { color: var(--ink); border-bottom-color: var(--signal); }

.burger { display: none; background: none; border: 0; color: var(--ink); font-size: 1.25rem; cursor: pointer; padding: 0.25rem 0.5rem; }
.mobnav { display: none; flex-direction: column; gap: 0.75rem; padding: 1rem var(--step) 1.5rem; border-top: 1px solid var(--line); }
.mobnav[hidden] { display: none; }

@media (max-width: 46rem) {
  .nav { display: none; }
  .burger { display: block; }
  .mobnav:not([hidden]) { display: flex; }
}

/* ---------- типографика ---------- */

.eyebrow {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 0.75rem;
}

h1 {
  margin: 0 0 1.1rem; font-weight: 800;
  font-size: clamp(2.2rem, 6.5vw, 4.25rem); line-height: 1.02;
  letter-spacing: -0.04em; text-wrap: balance;
}

h2 {
  margin: 0 0 1rem; font-weight: 700;
  font-size: clamp(1.4rem, 3.2vw, 2.1rem); line-height: 1.18;
  letter-spacing: -0.025em; text-wrap: balance;
}

h3 { margin: 0 0 0.4rem; font-size: 1.0625rem; font-weight: 700; letter-spacing: -0.01em; }

.lede { margin: 0; max-width: 44ch; font-size: clamp(1.05rem, 2vw, 1.3rem); line-height: 1.45; color: var(--ink-2); text-wrap: pretty; }
.note { margin: 0; max-width: 60ch; color: var(--muted); }

/* ---------- секции ---------- */

.hero { padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 5vw, 3.5rem); border-bottom: 1px solid var(--line); }
.block { padding: clamp(2.75rem, 6vw, 4.5rem) 0; border-bottom: 1px solid var(--line); }
.block.alt { background: var(--surface-2); }
.section-head { margin-bottom: clamp(1.75rem, 4vw, 2.5rem); }

/* ---------- полоса состояния ---------- */

.strip { display: flex; gap: 2px; align-items: flex-end; height: 3.25rem; margin: clamp(2rem, 5vw, 3rem) 0 0; }
.strip i {
  flex: 1 1 0; min-width: 2px; background: var(--signal); border-radius: 1px;
  height: 100%; transform-origin: bottom;
  animation: rise 620ms cubic-bezier(.2,.8,.3,1) both;
}
.strip i.dim { background: var(--signal-soft); }
.strip i.warn { background: var(--alert); height: 62%; }

/* 90 делений по 2px с зазором 2px требуют 358px — в телефон с полями
   это не влезает и даёт горизонтальный вылет. На узких ужимаем до 1px. */
@media (max-width: 30rem) {
  .strip { gap: 1px; height: 2.75rem; }
  .strip i { min-width: 1px; }
}

@keyframes rise { from { transform: scaleY(.08); opacity: 0 } to { transform: scaleY(1); opacity: 1 } }
@media (prefers-reduced-motion: reduce) { .strip i { animation: none } }

.strip-legend {
  display: flex; justify-content: space-between; margin-top: 0.6rem;
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted);
}

/* ---------- карточки услуг ---------- */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }

.card {
  background: var(--surface); padding: 1.6rem 1.5rem 1.4rem;
  display: flex; flex-direction: column; gap: 0.6rem;
  text-decoration: none; color: inherit;
  transition: background 140ms ease;
}
.card:hover { background: var(--surface-2); }
.card p { margin: 0; font-size: 0.9375rem; line-height: 1.55; color: var(--ink-2); }
.card-more { margin-top: auto; padding-top: 0.9rem; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--signal); }

/* ---------- списки ---------- */

.list { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.7rem; max-width: 68ch; }
.list li { position: relative; padding-left: 1.4rem; color: var(--ink-2); }
.list li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 0.5rem; height: 2px; background: var(--signal); }

/* ---------- цифры ---------- */

.figures { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: clamp(1.5rem, 4vw, 3rem); margin: 1.75rem 0 0; }
.figures dt { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.35rem; }
.figures dd { margin: 0; font-size: clamp(2rem, 5vw, 2.9rem); font-weight: 800; letter-spacing: -0.035em; line-height: 1; font-variant-numeric: tabular-nums; }
.figures small { display: block; margin-top: 0.5rem; font-size: 0.875rem; line-height: 1.5; color: var(--muted); }

/* ---------- шаги ---------- */

.steps { counter-reset: step; }
.step { display: grid; grid-template-columns: 3.25rem 1fr; gap: 1.25rem; padding: 1.4rem 0; border-top: 1px solid var(--line); }
.step:last-child { border-bottom: 1px solid var(--line); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--mono); font-size: 0.8rem; color: var(--signal); padding-top: 0.35rem;
}
.step p { margin: 0; max-width: 60ch; color: var(--ink-2); font-size: 0.9375rem; line-height: 1.6; }

/* ---------- контакты ---------- */

.contacts { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.contact-card { background: var(--surface); padding: 1.5rem 1.4rem; }
.contact-value { margin: 0; font-family: var(--mono); font-size: 1rem; color: var(--muted); }

/* ---------- кнопка ---------- */

.cta-row { margin: 1.5rem 0 0; }
.cta-block { max-width: 60ch; }
.btn {
  display: inline-block; text-decoration: none;
  background: var(--signal); color: #fff;
  padding: 0.7rem 1.3rem; border-radius: 3px;
  font-size: 0.9375rem; font-weight: 600;
}
.btn:hover { filter: brightness(1.08); }

/* ---------- подвал ---------- */

.foot { padding: clamp(2.5rem, 5vw, 4rem) 0; }
.foot-inner { display: flex; flex-wrap: wrap; gap: 2.5rem 4rem; justify-content: space-between; }
.domain { font-family: var(--mono); font-size: 1.15rem; margin: 0 0 0.3rem; }
.domain b { color: var(--signal); font-weight: inherit; }
.foot-note { margin: 0; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.foot-nav { display: flex; gap: 3rem; flex-wrap: wrap; }
.foot-nav div { display: flex; flex-direction: column; gap: 0.45rem; }
.foot-h { margin: 0 0 0.3rem; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.foot-nav a { text-decoration: none; color: var(--ink-2); font-size: 0.9375rem; }
.foot-nav a:hover { color: var(--ink); }

a { color: var(--signal); }
a:focus-visible, .card:focus-visible, .btn:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }