/* check.dnclab.dev. Warm paper from Sunlight, orange accent and bold display from savetax.now. */
@font-face { font-family: "Pretendard Variable"; src: url("fonts/PretendardVariable.woff2") format("woff2"); font-weight: 45 920; font-display: swap; }
@font-face { font-family: "Inter Tight"; src: url("fonts/InterTight.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  --paper: #f4efe9; --paper-2: #ebe4dc; --card: #fffdf9; --frame: rgba(255,255,255,.7);
  --ink: #171412; --ink-2: #3b3531; --muted: #7a716a; --rule: #d9d0c6; --rule-2: #bfb3a6;
  --accent: #e35a00; --accent-2: #ff6f21; --accent-ink: #fff5ec; --accent-soft: rgba(227,90,0,.09);
  --ok: #2f7a3e; --warn: #b26a00; --bad: #c0392b; --ok-soft: rgba(47,122,62,.1); --warn-soft: rgba(178,106,0,.1); --bad-soft: rgba(192,57,43,.1);
  --shadow: 0 18px 44px rgba(23,20,18,.10);
  --font: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; word-break: keep-all; overflow-wrap: anywhere; background: radial-gradient(circle at 18% 10%, var(--frame), transparent 28rem), linear-gradient(110deg, var(--paper), var(--paper-2)); color: var(--ink); font-family: var(--font); font-size: 17px; line-height: 1.6; letter-spacing: -0.01em; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; letter-spacing: -0.03em; line-height: 1.15; }
h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 800; }
h3 { font-size: 20px; font-weight: 800; margin: 26px 0 10px; }
p { margin: 0 0 10px; }
code { font-family: var(--mono); font-size: .92em; background: rgba(23,20,18,.06); padding: 1px 5px; border-radius: 4px; }
main { max-width: 1120px; margin: 0 auto; padding: 0 20px 120px; }

/* top bar */
.top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 18px; padding: 10px 20px; background: rgba(244,239,233,.82); backdrop-filter: blur(14px) saturate(120%); border-bottom: 1px solid var(--rule); }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); font-weight: 800; }
.brand .mark { width: 22px; height: 22px; border-radius: 6px; background: var(--accent); position: relative; }
.brand .mark::after { content: ""; position: absolute; left: 5px; top: 5px; width: 9px; height: 5px; border: 3px solid #fff; border-top: 0; border-right: 0; transform: rotate(-45deg); }
.brand .name { font-size: 20px; letter-spacing: -0.04em; }
.nav-stages { display: flex; gap: 6px; flex-wrap: wrap; margin-left: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border: 1px solid var(--rule); border-radius: 999px; background: var(--card); color: var(--ink-2); font-size: 14px; font-weight: 700; }
.chip:hover { text-decoration: none; border-color: var(--rule-2); }
.chip .n { color: var(--accent); font-variant-numeric: tabular-nums; }
.nav-right { margin-left: auto; display: flex; gap: 14px; font-weight: 700; font-size: 15px; }
.nav-right a { color: var(--ink-2); }

/* hero */
.hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(300px, .9fr); gap: 36px; align-items: center; padding: 64px 0 36px; }
.hero h1 { font-size: clamp(32px, 4.6vw, 52px); font-weight: 900; letter-spacing: -0.045em; line-height: 1.12; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .sub { font-size: 18px; color: var(--ink-2); margin: 18px 0 22px; max-width: 46ch; }
.hero .sub b { color: var(--accent); }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 12px 20px; border-radius: 12px; border: 1px solid var(--rule-2); background: var(--card); color: var(--ink); font-weight: 800; font-size: 16px; cursor: pointer; font-family: inherit; }
.btn:hover { text-decoration: none; border-color: var(--ink-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn.ghost { background: transparent; }
.btn.small { padding: 8px 14px; font-size: 14px; border-radius: 10px; }
.hero-card { background: var(--card); border: 1px solid var(--frame); border-radius: 18px; padding: 20px 22px; box-shadow: var(--shadow); }
.card-head { display: flex; justify-content: space-between; font-size: 14px; font-weight: 700; color: var(--muted); }
.big-count { font-size: 56px; font-weight: 900; letter-spacing: -0.05em; line-height: 1; margin: 10px 0 12px; color: var(--accent); font-variant-numeric: tabular-nums; }
.big-count .of { font-size: 22px; color: var(--muted); font-weight: 700; margin-left: 6px; letter-spacing: -0.02em; }
.bar { height: 10px; background: var(--paper-2); border-radius: 999px; overflow: hidden; }
.bar .fill { height: 100%; width: 0; background: var(--accent); border-radius: 999px; transition: width .35s cubic-bezier(.16,1,.3,1); }
.card-note { font-size: 14px; color: var(--muted); margin: 12px 0 14px; }
.card-actions { display: flex; gap: 8px; }

.band { margin: 10px 0 34px; padding: 16px 20px; border-left: 6px solid var(--accent); background: var(--accent-soft); border-radius: 8px; }
.band p { margin: 0; font-size: 17px; }

/* stages */
.stage { padding: 34px 0 12px; border-top: 1px solid var(--rule); }
.stage-head { position: relative; max-width: 760px; margin-bottom: 18px; }
.eyebrow { display: block; color: var(--accent); font-weight: 800; font-size: 14px; letter-spacing: .04em; margin-bottom: 8px; }
.lead { color: var(--ink-2); font-size: 17px; margin-top: 10px; }
.stage-count { position: absolute; right: 0; top: 4px; font-weight: 900; font-size: 22px; color: var(--accent); font-variant-numeric: tabular-nums; }
.items { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 12px; }
.item { background: var(--card); border: 1px solid var(--rule); border-radius: 14px; padding: 16px 18px 14px; display: flex; flex-direction: column; gap: 8px; transition: border-color .15s; }
.item.done { border-color: var(--ok); background: linear-gradient(0deg, var(--ok-soft), var(--ok-soft)), var(--card); }
.q { display: grid; grid-template-columns: 24px 1fr; gap: 10px; align-items: start; cursor: pointer; }
.q input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.q .box { width: 22px; height: 22px; border: 2px solid var(--rule-2); border-radius: 7px; margin-top: 2px; position: relative; background: #fff; }
.q input:checked + .box { background: var(--ok); border-color: var(--ok); }
.q input:checked + .box::after { content: ""; position: absolute; left: 6px; top: 2px; width: 6px; height: 11px; border: 2px solid #fff; border-top: 0; border-left: 0; transform: rotate(45deg); }
.q input:focus-visible + .box { outline: 2px solid var(--accent); outline-offset: 2px; }
.q .qt { font-weight: 800; font-size: 17px; line-height: 1.45; letter-spacing: -0.02em; }
.item.done .qt { color: var(--ink-2); }
.why { color: var(--ink-2); font-size: 15px; margin: 0 0 0 34px; }
.src { margin: auto 0 0 34px; font-size: 13.5px; color: var(--muted); display: flex; flex-direction: column; gap: 2px; }
.src a { font-weight: 700; }
.src .quote { color: var(--muted); }

/* danger */
.danger-wrap { padding: 34px 0 12px; border-top: 1px solid var(--rule); }
.danger { list-style: none; margin: 0 0 12px; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 8px; }
.danger li { background: var(--bad-soft); border: 1px solid rgba(192,57,43,.25); color: #7a1e14; border-radius: 10px; padding: 10px 14px; font-weight: 700; font-size: 15.5px; }
.danger-wrap .src { margin-left: 0; }

/* checker */
.checker { padding: 40px 0 10px; border-top: 1px solid var(--rule); }
.form { display: grid; gap: 12px; max-width: 860px; }
.form label { display: grid; gap: 6px; font-weight: 800; font-size: 14px; color: var(--muted); }
.form input, .form textarea { width: 100%; font: inherit; font-size: 16px; font-weight: 500; color: var(--ink); padding: 12px 14px; border: 1px solid var(--rule-2); border-radius: 12px; background: var(--card); resize: vertical; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.form-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.results { margin-top: 22px; background: var(--card); border: 1px solid var(--rule); border-radius: 18px; padding: 20px 22px; box-shadow: var(--shadow); }
.scores { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.score { border-radius: 12px; padding: 12px 14px; background: var(--paper); }
.score .big { font-size: 34px; font-weight: 900; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.score .t { font-size: 13px; color: var(--muted); font-weight: 700; margin-top: 4px; }
.score.block { background: var(--bad-soft); } .score.block .big { color: var(--bad); }
.score.warn { background: var(--warn-soft); } .score.warn .big { color: var(--warn); }
.score.ok { background: var(--ok-soft); } .score.ok .big { color: var(--ok); }
.score.lang .big { font-size: 22px; padding-top: 6px; }
.struct, .hits { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.struct li { display: grid; grid-template-columns: 14px 1fr; gap: 10px; align-items: baseline; padding: 8px 10px; border-radius: 10px; background: var(--paper); }
.struct li .mark { width: 10px; height: 10px; border-radius: 50%; display: inline-block; transform: translateY(1px); }
.struct li.ok .mark { background: var(--ok); } .struct li.warn .mark { background: var(--warn); } .struct li.block .mark { background: var(--bad); }
.struct li .t { font-weight: 800; } .struct li .d { grid-column: 2; color: var(--ink-2); font-size: 15px; }
.hit { display: grid; grid-template-columns: 56px 1fr; gap: 4px 12px; padding: 10px 12px; border-radius: 10px; background: var(--paper); }
.hit .lv { grid-row: span 3; grid-column: 1; font-size: 12px; font-weight: 900; letter-spacing: .04em; padding: 4px 0; text-align: center; border-radius: 6px; height: fit-content; }
.hit.block .lv { background: var(--bad); color: #fff; } .hit.warn .lv { background: var(--warn); color: #fff; }
.hit .what { font-weight: 800; } .hit .cnt { color: var(--accent); margin-left: 4px; font-variant-numeric: tabular-nums; }
.hit .what, .hit .found, .hit .fix { grid-column: 2; } .hit .found code { margin-right: 4px; } .hit .fix { color: var(--ink-2); font-size: 15px; }
.none { color: var(--muted); }
.note { color: var(--muted); font-size: 14px; margin-top: 14px; }
.rules-wrap { margin-top: 18px; } .rules-wrap summary { cursor: pointer; font-weight: 800; color: var(--accent); }
.tw { overflow-x: auto; margin-top: 10px; } table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; } th { color: var(--muted); font-weight: 800; }
td.block { color: var(--bad); font-weight: 800; } td.warn { color: var(--warn); font-weight: 800; }

/* evidence */
.evidence { padding: 40px 0 10px; border-top: 1px solid var(--rule); }
.numbers { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.num { background: var(--card); border: 1px solid var(--rule); border-radius: 14px; padding: 16px 18px; }
.num .big { font-size: 38px; font-weight: 900; letter-spacing: -0.05em; color: var(--accent); line-height: 1; }
.num .t { font-size: 14.5px; color: var(--ink-2); margin-top: 8px; font-weight: 600; }
.evidence .src { margin: 12px 0 0; }
.posts { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.posts li { display: grid; grid-template-columns: 240px 1fr; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--rule); }
.posts a { font-weight: 800; } .posts span { color: var(--ink-2); font-size: 15px; }


/* sticky bar (savetax) */
.sticky { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 20px; background: #1b1715; color: #f4efe9; }
.sticky .st-text { font-size: 15px; font-weight: 800; color: var(--accent-2); font-variant-numeric: tabular-nums; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 36px; }
  .nav-stages { display: none; }
  .scores { grid-template-columns: repeat(2, 1fr); }
  .posts li { grid-template-columns: 1fr; gap: 4px; }
  .stage-count { position: static; margin-top: 6px; }
  .items { grid-template-columns: 1fr; }
}