/* TIMEKEEPER design language — graphite / steel / brass datasheet */
:root {
  --bg: #101113; --bg-2: #141518; --panel: #191a1e; --panel-2: #1f2024;
  --line: #2a2b30; --line-2: #35363c;
  --ink: #f0efec; --ink-2: #9b9b97; --ink-3: #64645f;
  --brass: #c9a24b; --brass-2: #e0bc6a; --steel-hi: #d9d9d6;
  --mono: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Segoe UI', Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans);
  line-height: 1.65; -webkit-font-smoothing: antialiased; }
.wrap { max-width: 1020px; margin: 0 auto; padding: 0 28px; }

.label { font-family: var(--mono); font-size: 11px; letter-spacing: .28em;
  text-transform: uppercase; color: var(--ink-3); font-weight: 500; }
.label.brass { color: var(--brass); }

nav { display: flex; justify-content: space-between; align-items: center;
  padding: 28px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; gap: 10px; }
.logo { font-family: var(--mono); font-weight: 600; font-size: 14px; letter-spacing: .3em; text-transform: uppercase; color: var(--ink); text-decoration: none; }
.logo b { color: var(--brass); font-weight: 600; }
.navlinks { display: flex; gap: 8px; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: .18em; text-transform: uppercase; flex-wrap: wrap; }
.navlinks a { color: var(--ink-2); text-decoration: none; padding: 7px 14px;
  border: 1px solid var(--line); border-radius: 999px; transition: color .15s, background .15s, border-color .15s; }
.navlinks a:hover { color: var(--brass); border-color: var(--line-2); background: var(--panel); }
.navlinks a.active { color: var(--bg); background: var(--brass); border-color: var(--brass); font-weight: 600; }

.crumb { padding: 26px 0 0; font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }
.crumb a { color: var(--ink-3); text-decoration: none; }
.crumb a:hover { color: var(--brass); }
.crumb span { color: var(--brass); }

.hero { padding: 60px 0 20px; }
.hero.center { text-align: center; padding-top: 92px; }
h1 { font-size: clamp(30px, 5.6vw, 60px); font-weight: 300; letter-spacing: .01em;
  line-height: 1.12; margin: 22px 0 0; text-wrap: balance; }
h1 b { font-weight: 700; }
.hero .sub { max-width: 60ch; margin: 22px 0 0; color: var(--ink-2); font-size: 16px; font-weight: 300; }
.hero.center .sub { margin-left: auto; margin-right: auto; }

section { padding: 90px 0 0; }
.sec-head { display: flex; align-items: baseline; gap: 18px; border-top: 1px solid var(--line);
  padding-top: 22px; margin-bottom: 8px; }
.sec-no { font-family: var(--mono); font-size: 12px; color: var(--brass); letter-spacing: .2em; white-space: nowrap; }
h2 { font-size: clamp(24px, 3.8vw, 38px); font-weight: 300; line-height: 1.15; margin: 10px 0 16px; text-wrap: balance; }
h2 b { font-weight: 700; }
.sec-sub { color: var(--ink-2); max-width: 66ch; font-size: 15.5px; font-weight: 300; }

/* detail rows (steps / theses) */
.rows { margin-top: 42px; border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: 90px 1fr; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.row .no { font-family: var(--mono); font-size: 13px; color: var(--ink-3); letter-spacing: .15em; padding-top: 3px; }
.row.hot .no { color: var(--brass); }
.row h3 { margin: 0 0 6px; font-size: 17px; font-weight: 600; }
.row.hot h3 { color: var(--brass-2); }
.row p { margin: 0 0 10px; color: var(--ink-2); font-size: 14.5px; max-width: 72ch; font-weight: 300; }
.row p:last-child { margin-bottom: 0; }
.row p b, .row li b { color: var(--ink); font-weight: 600; }
.row ul { margin: 0 0 10px; padding-left: 18px; color: var(--ink-2); font-size: 14px; font-weight: 300; }
.row li { margin-bottom: 5px; }
.row .note { font-family: var(--mono); font-size: 10.5px; color: var(--ink-3);
  letter-spacing: .14em; margin-top: 10px; text-transform: uppercase; }
.row .note b { color: var(--brass); font-weight: 600; }

/* two-col sub blocks inside a row: "что видит юзер / что под капотом" */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: 8px; overflow: hidden; margin: 12px 0 4px; }
.duo > div { background: var(--panel); padding: 16px 18px; }
.duo .dl { font-family: var(--mono); font-size: 9.5px; letter-spacing: .2em;
  text-transform: uppercase; margin-bottom: 8px; }
.duo .user .dl { color: var(--brass); }
.duo .tech .dl { color: var(--ink-3); }
.duo p { margin: 0; font-size: 13.5px; color: var(--ink-2); font-weight: 300; }
.duo ul { margin: 0; padding-left: 16px; font-size: 13.5px; color: var(--ink-2); font-weight: 300; }
.duo li { margin-bottom: 4px; }

/* grid cells (stats, specs, cards) */
.cells { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin-top: 38px; }
.cells.small { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); margin-top: 14px; }
.cell { background: var(--panel); padding: 20px; }
.cell .v { font-family: var(--mono); font-size: 25px; font-weight: 600; color: var(--steel-hi);
  font-variant-numeric: tabular-nums; }
.cell .v em { font-style: normal; color: var(--brass); }
.cell .v .unit { font-size: 13px; color: var(--ink-3); }
.cell .k { color: var(--ink-2); font-size: 12.5px; margin-top: 7px; line-height: 1.5; font-weight: 300; }
.cell h3 { margin: 10px 0 8px; font-size: 15px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.cell .sn { font-family: var(--mono); font-size: 10px; letter-spacing: .22em; color: var(--brass); text-transform: uppercase; }
.cell ul { margin: 0; padding-left: 16px; color: var(--ink-2); font-size: 13.5px; font-weight: 300; }
.cell li { margin-bottom: 5px; }
.cell-img { margin-top: 18px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--bg-2); }
.cell-img img { width: 100%; height: 300px; object-fit: cover; object-position: center; display: block; }

/* tables */
.tablebox { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; margin-top: 34px; background: var(--panel); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 12px 18px; border-top: 1px solid var(--line); font-weight: 300; }
thead th { border-top: none; font-family: var(--mono); font-size: 10px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--ink-3); font-weight: 500; }
td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--brass); white-space: nowrap; }
td b { font-weight: 600; }
tbody tr:hover { background: var(--panel-2); }

/* callout */
.callout { border: 1px solid var(--line); border-left: 3px solid var(--brass); border-radius: 8px;
  background: var(--panel); padding: 20px 24px; margin-top: 28px; max-width: 78ch;
  font-size: 14.5px; color: var(--ink-2); font-weight: 300; }
.callout b { color: var(--brass); font-weight: 600; }

/* images */
.img-block { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin-top: 36px; background: var(--bg-2); }
.img-block img { width: 100%; display: block; }
.img-cap { padding: 12px 18px; border-top: 1px solid var(--line); font-family: var(--mono);
  font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); }

/* detail link (провалиться) */
.more { display: inline-flex; align-items: center; gap: 10px; margin-top: 26px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--brass); text-decoration: none; border: 1px solid var(--line-2);
  border-radius: 6px; padding: 12px 20px; }
.more:hover { border-color: var(--brass); background: var(--panel); }
.more::after { content: "→"; }

/* page pager — prev / next subpage */
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin-top: 90px; }
.pager a { background: var(--panel); padding: 22px 26px; text-decoration: none; display: block;
  transition: background .15s; }
.pager a:hover { background: var(--panel-2); }
.pager a.next { text-align: right; }
.pager .dir { font-family: var(--mono); font-size: 10px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--ink-3); transition: color .15s; }
.pager a:hover .dir { color: var(--brass); }
.pager .ttl { display: block; margin-top: 8px; font-size: 16px; font-weight: 600;
  color: var(--ink); transition: color .15s; }
.pager a:hover .ttl { color: var(--brass-2); }
.pager a.spacer { pointer-events: none; background: var(--panel); }

footer { border-top: 1px solid var(--line); padding: 28px 0 44px; margin-top: 100px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); }
footer a { color: var(--ink-3); text-decoration: none; }
footer a:hover { color: var(--brass); }

@media (max-width: 640px) {
  section { padding-top: 70px; }
  .row { grid-template-columns: 1fr; gap: 8px; }
  .duo { grid-template-columns: 1fr; }
  .pager { grid-template-columns: 1fr; }
  .pager a.next { text-align: left; }
}