/* Layout: a workbench. One narrow column per page; the tool sits on a raised
   bench surface, documentation reads below it like a manual. */
:root {
  --paper: #f3f5f4;
  --surface: #ffffff;
  --sunk: #ecf0ee;
  --ink: #15201c;
  --muted: #5a6863;
  --line: #d5ddda;
  --accent: #0b7a62;
  --accent-ink: #ffffff;
  --accent-soft: #dcefe8;
  --ok: #0b7a62;
  --warn: #8a5a00;
  --warn-soft: #fbf1db;
  --err: #b42318;
  --err-soft: #fdecea;
  --add: #e3f4ec;
  --del: #fbe7e5;
  --check-a: #e8ecea;
  --check-b: #f8faf9;
  --shadow: 0 1px 2px rgba(21, 32, 28, .06), 0 8px 24px -12px rgba(21, 32, 28, .14);

  --f-display: 'Familjen Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --f-body: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --r: 10px;
  --r-sm: 7px;
  --w: 920px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0e1412; --surface: #151d1a; --sunk: #101714; --ink: #e3ebe7; --muted: #95a59f; --line: #2a3632;
    --accent: #41c9a4; --accent-ink: #052019; --accent-soft: #163329; --ok: #41c9a4; --warn: #e5b450; --warn-soft: #2e2510;
    --err: #ff8f84; --err-soft: #361715; --add: #12301f; --del: #3a1a17; --check-a: #1b2421; --check-b: #121a17;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -12px rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0e1412; --surface: #151d1a; --sunk: #101714; --ink: #e3ebe7; --muted: #95a59f; --line: #2a3632;
  --accent: #41c9a4; --accent-ink: #052019; --accent-soft: #163329; --ok: #41c9a4; --warn: #e5b450; --warn-soft: #2e2510;
  --err: #ff8f84; --err-soft: #361715; --add: #12301f; --del: #3a1a17; --check-a: #1b2421; --check-b: #121a17;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -12px rgba(0, 0, 0, .6);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 16px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
}
img, canvas { max-width: 100%; }
[hidden] { display: none !important; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mono { font-family: var(--f-mono); font-size: .92em; overflow-wrap: anywhere; }
.muted { color: var(--muted); }
.grow { flex: 1 1 220px; min-width: 0; }

.wrap {
  max-width: var(--w); margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* ---------- header ---------- */
.site-head { border-bottom: 1px solid var(--line); background: var(--paper); }
.head-row { display: flex; align-items: center; gap: 20px; padding-block: 14px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 10px; font: 700 20px/1 var(--f-display); color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.logo-mark { width: 28px; height: 28px; flex: none; }
.motto { font-size: 14px; color: var(--muted); padding-left: 14px; border-left: 1px solid var(--line); }
@media (max-width: 860px) { .motto { display: none; } }
.private strong { color: var(--ink); font-weight: 600; }
.nav { display: flex; gap: 4px; margin-left: auto; overflow-x: auto; scrollbar-width: none; max-width: 100%; }
.nav::-webkit-scrollbar { display: none; }
.nav a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 500; padding: 6px 10px; border-radius: 6px; white-space: nowrap; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); background: var(--sunk); }
@media (max-width: 640px) { .nav { margin-left: 0; width: 100%; } .nav a { padding-left: 0; padding-right: 14px; } .nav a:hover, .nav a[aria-current="page"] { background: none; } }

/* ---------- type ---------- */
h1, h2, h3, .h3, .h4 { font-family: var(--f-display); letter-spacing: -.015em; text-wrap: balance; margin: 0; line-height: 1.15; }
h1 { font-size: clamp(30px, 5.2vw, 44px); font-weight: 700; }
h2 { font-size: 24px; font-weight: 700; }
.h3 { font-size: 18px; font-weight: 700; }
.h4 { font-size: 15px; font-weight: 700; }
.eyebrow { font: 600 12px/1.2 var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.lede { font-size: 18px; color: var(--muted); max-width: 64ch; margin: 0; }

/* ---------- breadcrumbs & tool header ---------- */
.crumbs { font-size: 14px; color: var(--muted); padding-block: 20px 0; }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs li + li::before { content: '/'; margin-right: 6px; color: var(--line); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--ink); }
.tool-head { display: grid; gap: 12px; padding-block: 14px 24px; }
.io-tag { display: inline-flex; align-items: center; gap: 8px; font: 500 13px/1 var(--f-mono); letter-spacing: .02em; color: var(--accent); }
.io-tag span { padding: 5px 8px; border: 1px solid currentColor; border-radius: 5px; }
.io-tag i { font-style: normal; color: var(--muted); }
.private { display: flex; align-items: baseline; gap: 10px; font-size: 14px; color: var(--muted); }
.private::before { flex: none; align-self: center; content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px var(--accent-soft); }

/* ---------- bench ---------- */
.bench {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow);
  padding: clamp(16px, 3vw, 28px); display: grid; gap: 18px; min-width: 0;
}
.bench > * { min-width: 0; }
.loading { color: var(--muted); }

.field { display: grid; gap: 6px; min-width: 0; align-content: start; }
.field > label, .field > .label { font-size: 14px; font-weight: 600; color: var(--ink); }
.field output { font-family: var(--f-mono); font-weight: 500; color: var(--accent); margin-left: 4px; }
.hint { margin: 0; font-size: 13px; color: var(--muted); }
.row { display: flex; flex-wrap: wrap; gap: 14px 18px; align-items: end; }
.row > .field { flex: 0 1 auto; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 16px; }
.grid2.top { align-items: start; }
.grid2.tight { gap: 12px; }
.io { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 16px; }

input[type="text"], input[type="search"], input[type="number"], input[type="date"], input[type="time"], input[type="datetime-local"], select, textarea {
  font: inherit; font-size: 16px; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r-sm); padding: 9px 11px; width: 100%; min-width: 0;
}
input[type="number"] { max-width: 160px; }
select { padding-right: 32px; cursor: pointer; }
.row select { width: auto; max-width: 100%; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea { resize: vertical; line-height: 1.5; }
textarea.code, .code-block { font-family: var(--f-mono); font-size: 14px; }
textarea.out { background: var(--sunk); }
textarea.prose-input { font-size: 16px; }
input[type="color"] { width: 52px; height: 42px; padding: 3px; border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface); cursor: pointer; }
input[type="range"] { width: 100%; min-width: 160px; accent-color: var(--accent); }

.check { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; cursor: pointer; padding-block: 9px; user-select: none; }
.check input { width: 18px; height: 18px; accent-color: var(--accent); margin: 0; }

.btn {
  font: 600 15px/1 var(--f-body); color: var(--ink); background: var(--surface); border: 1px solid var(--line);
  padding: 11px 16px; border-radius: var(--r-sm); cursor: pointer; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  transition: background .12s, border-color .12s;
}
.btn:hover { border-color: var(--muted); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.07); border-color: var(--accent); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--ink); border-color: var(--line); }
.btn-small { padding: 6px 10px; font-size: 13px; }
.btn-icon { padding: 6px 10px; font-size: 18px; line-height: 1; color: var(--muted); background: transparent; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg-btn {
  font: 500 14px/1 var(--f-body); color: var(--muted); background: var(--sunk); border: 1px solid transparent;
  padding: 9px 12px; border-radius: 999px; cursor: pointer;
}
.seg-btn:hover { color: var(--ink); }
.seg-btn[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

.status { margin: 0; font-size: 14px; padding: 10px 12px; border-radius: var(--r-sm); background: var(--sunk); color: var(--muted); }
.status:empty { display: none; }
.status[data-kind="ok"] { background: var(--accent-soft); color: var(--ink); }
.status[data-kind="ok"]::before { content: '✓  '; color: var(--ok); font-weight: 700; }
.status[data-kind="err"] { background: var(--err-soft); color: var(--err); }
.status[data-kind="warn"] { background: var(--warn-soft); color: var(--warn); }
.notice { margin: 0; font-size: 14px; padding: 10px 12px; border-radius: var(--r-sm); background: var(--sunk); color: var(--muted); }
.notice[data-kind="warn"] { background: var(--warn-soft); color: var(--warn); }
.notice[data-kind="err"] { background: var(--err-soft); color: var(--err); }

/* drop zone */
.drop {
  display: grid; justify-items: center; gap: 6px; text-align: center; padding: 30px 16px;
  border: 2px dashed var(--line); border-radius: var(--r); background: var(--sunk); cursor: pointer; transition: border-color .12s, background .12s;
}
.drop:hover, .drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop-icon { width: 34px; height: 34px; border-radius: 9px; background: var(--accent); position: relative; margin-bottom: 4px; }
.drop-icon::before { content: ''; position: absolute; left: 50%; top: 9px; width: 2px; height: 15px; margin-left: -1px; background: var(--accent-ink); }
.drop-icon::after { content: ''; position: absolute; left: 50%; top: 9px; width: 8px; height: 8px; margin-left: -4px; border-left: 2px solid var(--accent-ink); border-top: 2px solid var(--accent-ink); transform: rotate(45deg); transform-origin: center; }
.drop-title { font-weight: 600; }
.drop-sub { font-size: 14px; color: var(--muted); }

/* tables */
.table-wrap { overflow-x: auto; min-width: 0; }
table.kv { width: 100%; border-collapse: collapse; font-size: 15px; }
.kv th, .kv td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.kv tr:last-child th, .kv tr:last-child td { border-bottom: 0; }
.kv th { font-weight: 600; color: var(--muted); white-space: nowrap; width: 1%; padding-left: 0; }
.kv td.td-copy { width: 1%; text-align: right; padding-right: 0; }
.kv td.num { font-variant-numeric: tabular-nums; }
.kv tr.hl th, .kv tr.hl td { background: var(--accent-soft); }
.kv tr.hl th { padding-left: 8px; }
.kv.hashes .hash { word-break: break-all; }
.kv tr.match td, .kv tr.match th { background: var(--accent-soft); }

/* previews */
.checker { background-color: var(--check-b); background-image: linear-gradient(45deg, var(--check-a) 25%, transparent 25%, transparent 75%, var(--check-a) 75%), linear-gradient(45deg, var(--check-a) 25%, transparent 25%, transparent 75%, var(--check-a) 75%); background-size: 16px 16px; background-position: 0 0, 8px 8px; }
.preview { border: 1px solid var(--line); border-radius: var(--r); padding: 12px; display: grid; place-items: center; min-height: 120px; overflow: hidden; }
.preview img, .preview canvas { max-height: 460px; width: auto; height: auto; object-fit: contain; }
.preview.small { min-height: 0; justify-items: start; }
.preview.small img { max-height: 120px; }

.sub { display: grid; gap: 12px; padding-top: 16px; border-top: 1px solid var(--line); }
.now-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.big { font-size: 22px; font-weight: 500; font-family: var(--f-mono); font-variant-numeric: tabular-nums; }

/* units */
.unit-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 16px; align-items: center; }
.unit-side { display: grid; gap: 12px; min-width: 0; }
.big-input { font-size: 24px !important; font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.result-box { display: flex; align-items: center; gap: 8px; min-height: 52px; padding: 6px 8px 6px 12px; border-radius: var(--r-sm); background: var(--accent-soft); min-width: 0; }
.big-output { font: 600 24px/1.2 var(--f-mono); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; min-width: 0; }
.res-unit { color: var(--muted); font-weight: 500; margin-right: auto; }
.swap { font-size: 20px; border: 1px solid var(--line); border-radius: 50%; width: 42px; height: 42px; justify-content: center; padding: 0; }
.formula { margin: 0; font-family: var(--f-mono); font-size: 14px; color: var(--muted); }
@media (max-width: 600px) { .unit-grid { grid-template-columns: 1fr; } .swap { justify-self: center; transform: rotate(90deg); } }

/* time zones */
.tz-list { display: grid; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.tz-row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 12px; align-items: center; padding: 12px 14px; border-top: 1px solid var(--line); }
.tz-row:first-child { border-top: 0; }
.tz-row.src { background: var(--accent-soft); }
.tz-name { display: grid; min-width: 0; }
.tz-name .muted { font-size: 13px; overflow-wrap: anywhere; }
.tz-time { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; justify-content: flex-end; text-align: right; }
.tz-time .big { font-size: 20px; }
@media (max-width: 560px) { .tz-row { grid-template-columns: minmax(0, 1fr) auto; } .tz-time { grid-column: 1 / -1; justify-content: flex-start; grid-row: 2; } }

.pill { display: inline-block; font-size: 12px; font-weight: 600; padding: 3px 8px; border-radius: 999px; background: var(--sunk); color: var(--ink); white-space: nowrap; }
.pill.good { background: var(--accent-soft); color: var(--ok); }
.pill.bad { background: var(--err-soft); color: var(--err); }
.pill.muted { color: var(--muted); }

/* colors */
.color-top { display: flex; flex-wrap: wrap; gap: 16px; align-items: end; }
.swatch { width: 88px; height: 88px; border-radius: var(--r); border: 1px solid var(--line); flex: none; }
.contrast { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 12px; }
.ct { border-radius: var(--r); padding: 16px; display: grid; gap: 4px; border: 1px solid var(--line); }
.ct b { font-family: var(--f-display); font-size: 20px; }

/* word counter */
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.stat { background: var(--surface); padding: 12px 14px; display: grid; gap: 2px; }
.stat-v { font: 600 24px/1.1 var(--f-mono); font-variant-numeric: tabular-nums; }
.stat-l { font-size: 13px; color: var(--muted); }
.top-words { display: grid; gap: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; gap: 6px; align-items: baseline; font-size: 14px; padding: 4px 10px; border-radius: 999px; background: var(--sunk); max-width: 100%; overflow-wrap: anywhere; }
.chip b { font-family: var(--f-mono); font-size: 12px; color: var(--muted); font-weight: 500; }

/* diff */
.diff { font: 14px/1.55 var(--f-mono); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; min-width: 420px; }
.dl { display: grid; grid-template-columns: 3.2em 3.2em 1.6em 1fr; }
.dl .ln { color: var(--muted); text-align: right; padding-right: 8px; user-select: none; font-size: 12px; padding-top: 2px; background: var(--sunk); }
.dl .sign { text-align: center; font-weight: 700; user-select: none; }
.dl .tx { white-space: pre-wrap; overflow-wrap: anywhere; padding-right: 10px; }
.dl[data-t="+"] { background: var(--add); }
.dl[data-t="+"] .sign { color: var(--ok); }
.dl[data-t="-"] { background: var(--del); }
.dl[data-t="-"] .sign { color: var(--err); }

/* JWT */
.jwt-out { display: grid; gap: 14px; }
.jwt-part { display: grid; gap: 8px; min-width: 0; }
.part-head { display: flex; justify-content: space-between; align-items: center; }
.code-block { margin: 0; padding: 12px; background: var(--sunk); border-radius: var(--r-sm); overflow-x: auto; white-space: pre; }

/* image batch */
.file-list { display: grid; gap: 8px; }
.file-list:empty { display: none; }
.file-row { display: grid; grid-template-columns: 56px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 8px; border: 1px solid var(--line); border-radius: var(--r); }
.thumb { width: 56px; height: 56px; border-radius: 6px; overflow: hidden; display: grid; place-items: center; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.finfo { display: grid; min-width: 0; }
.fname { font-weight: 600; font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fmeta { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.fmeta[data-kind="ok"] { color: var(--ok); }
.fmeta[data-kind="warn"] { color: var(--warn); }
.fmeta[data-kind="err"] { color: var(--err); }
.fact { display: flex; gap: 4px; align-items: center; }
@media (max-width: 480px) { .file-row { grid-template-columns: 48px minmax(0, 1fr); } .thumb { width: 48px; height: 48px; } .fact { grid-column: 1 / -1; } }

/* crop */
.crop-work { display: grid; gap: 16px; }
.crop-stage { position: relative; display: inline-block; justify-self: center; max-width: 100%; touch-action: none; user-select: none; overflow: hidden; border-radius: 6px; line-height: 0; }
.crop-stage img { display: block; max-width: 100%; max-height: 520px; width: auto; pointer-events: none; }
.crop-box { position: absolute; box-shadow: 0 0 0 9999px rgba(0, 0, 0, .55); outline: 2px solid #fff; cursor: move; }
.crop-box::before, .crop-box::after { content: ''; position: absolute; border: 0 solid rgba(255, 255, 255, .45); pointer-events: none; }
.crop-box::before { left: 33.33%; right: 33.33%; top: 0; bottom: 0; border-left-width: 1px; border-right-width: 1px; }
.crop-box::after { top: 33.33%; bottom: 33.33%; left: 0; right: 0; border-top-width: 1px; border-bottom-width: 1px; }
.handle { position: absolute; width: 22px; height: 22px; background: #fff; border: 2px solid #15201c; border-radius: 50%; }
.handle.nw { left: -11px; top: -11px; cursor: nwse-resize; }
.handle.ne { right: -11px; top: -11px; cursor: nesw-resize; }
.handle.sw { left: -11px; bottom: -11px; cursor: nesw-resize; }
.handle.se { right: -11px; bottom: -11px; cursor: nwse-resize; }

/* audio */
.audio-work { display: grid; gap: 14px; }
.audio-info { display: flex; flex-wrap: wrap; gap: 6px; }
canvas.wave { width: 100%; height: 96px; display: block; background: var(--sunk); border-radius: var(--r-sm); }
canvas.wave.tall { height: 140px; cursor: ew-resize; touch-action: none; }
.result-player { display: grid; gap: 10px; }
.player { width: 100%; }

/* ---------- ads ---------- */
.ad { margin-block: 28px; min-height: 100px; display: grid; }
.ad-placeholder { display: grid; place-items: center; min-height: 100px; border: 1px dashed var(--line); border-radius: var(--r); color: var(--muted); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }

/* ---------- docs below the tool ---------- */
.doc { display: grid; gap: 40px; padding-block: 12px 56px; }
.doc section { display: grid; gap: 14px; }
.doc p { margin: 0; max-width: 68ch; }
.steps { margin: 0; padding: 0; list-style: none; counter-reset: s; display: grid; gap: 12px; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 32px 1fr; gap: 12px; align-items: baseline; max-width: 68ch; }
.steps li::before { content: counter(s); font: 600 14px/28px var(--f-mono); width: 28px; height: 28px; text-align: center; border-radius: 50%; background: var(--accent-soft); color: var(--accent); }
.faq { display: grid; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 14px 28px 14px 0; font-weight: 600; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 4px; top: 12px; font: 400 22px/1 var(--f-mono); color: var(--muted); }
.faq details[open] summary::after { content: '−'; }
.faq details p { padding-bottom: 16px; color: var(--muted); }

/* tool lists (home, category, related, footer) */
.tool-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr)); gap: 0 28px; }
.tool-list li { border-top: 1px solid var(--line); }
.tool-link { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 12px; padding: 12px 2px; text-decoration: none; color: var(--ink); }
.tool-link:hover .tl-name { color: var(--accent); }
.tl-name { font-weight: 600; }
.tl-io { font: 500 11px/1.9 var(--f-mono); color: var(--muted); letter-spacing: .02em; white-space: nowrap; }
.tl-desc { grid-column: 1 / -1; font-size: 14px; color: var(--muted); line-height: 1.45; }

/* home */
.hero { padding-block: clamp(36px, 7vw, 72px) 28px; display: grid; gap: 18px; }
.hero h1 { font-size: clamp(34px, 6.4vw, 60px); max-width: 18ch; line-height: 1.03; letter-spacing: -.03em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.search { position: relative; max-width: 560px; }
.search input { font-size: 18px; padding: 14px 16px 14px 46px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); }
.search::before { content: ''; position: absolute; left: 17px; top: 50%; width: 14px; height: 14px; margin-top: -9px; border: 2px solid var(--muted); border-radius: 50%; }
.search::after { content: ''; position: absolute; left: 30px; top: 50%; width: 2px; height: 8px; margin-top: 3px; background: var(--muted); transform: rotate(-45deg); }
.search kbd { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); font: 500 12px/1 var(--f-mono); color: var(--muted); border: 1px solid var(--line); border-radius: 5px; padding: 4px 7px; }
@media (max-width: 640px) { .search kbd { display: none; } }
.facts { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 14px; color: var(--muted); margin: 0; padding: 0; list-style: none; }
.facts li::before { content: '✓'; color: var(--ok); font-weight: 700; margin-right: 7px; }
.cat-block { display: grid; gap: 10px; padding-block: 22px; }
.cat-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 16px; }
.cat-head a { font-size: 14px; }
.cat-desc { margin: 0; color: var(--muted); font-size: 15px; max-width: 70ch; }
.home-copy { display: grid; gap: 14px; padding-block: 28px 56px; border-top: 1px solid var(--line); margin-top: 20px; }
.home-copy p { margin: 0; max-width: 68ch; color: var(--muted); }

/* long-form text: guides and expanded tool pages */
.guide { display: grid; gap: 8px; padding-bottom: 8px; }
.small { font-size: 14px; }
.prose { display: grid; gap: 16px; max-width: 72ch; font-size: 17px; line-height: 1.7; }
.guide > .prose { padding-block: 8px 12px; }
.prose h2 { font-size: 24px; margin-top: 18px; }
.prose > h2:first-child { margin-top: 0; }
.prose p, .prose ul, .prose ol { margin: 0; }
.prose ul, .prose ol { padding-left: 22px; display: grid; gap: 8px; }
.prose li::marker { color: var(--accent); }
.prose strong { font-weight: 600; }
.prose code { font-family: var(--f-mono); font-size: .86em; background: var(--sunk); padding: 2px 5px; border-radius: 4px; overflow-wrap: anywhere; }
.prose .table-wrap { border: 1px solid var(--line); border-radius: var(--r); }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose thead th { background: var(--sunk); font-weight: 600; font-size: 14px; }
.prose tbody tr:last-child td { border-bottom: 0; }
.prose td:first-child { font-weight: 500; }

/* plain pages */
.page { padding-block: 32px 64px; display: grid; gap: 16px; max-width: 72ch; }
.page h2 { font-size: 20px; margin-top: 16px; }
.page p, .page li { color: var(--ink); }
.page ul { margin: 0; padding-left: 20px; display: grid; gap: 6px; }

/* footer */
.site-foot { border-top: 1px solid var(--line); background: var(--sunk); font-size: 14px; }
.foot-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr)); gap: 24px; padding-block: 36px 20px; }
.foot-grid h2 { font: 600 12px/1.2 var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.foot-grid a { color: var(--ink); text-decoration: none; }
.foot-grid a:hover { color: var(--accent); }
.foot-base { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; padding-block: 16px 28px; border-top: 1px solid var(--line); color: var(--muted); }
.foot-base a { color: var(--muted); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
@media (max-width: 640px) { .crumbs li[aria-current] { display: none; } }