/* =========================================
   parabreak — brand system v1.0
   Same token base as landing.css, presentation-only layout
   ========================================= */

:root {
  /* base palette */
  --bg: #0A0B0F;
  --bg-2: #0F1116;
  --panel: #151821;
  --line: #1E2230;
  --line-2: #2A2F40;
  --ink: #E6E8EF;
  --ink-2: #B4B8C5;
  --mute: #6B7080;
  --mute-2: #4A4F60;

  --green: #46E49E;
  --green-dim: #2A8F62;
  --red: #E44C4C;
  --amber: #F2B544;
  --violet: #8B5CF6;

  --f-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, monospace;
  --f-mono-2: 'IBM Plex Mono', ui-monospace, monospace;
  --f-kr: 'Pretendard', ui-sans-serif, system-ui, sans-serif;

  --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px;
  --s5: 24px; --s6: 32px; --s7: 48px; --s8: 64px; --s9: 96px; --s10: 128px;

  --max: 1320px;
  --pad: 32px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-mono);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--green); color: #0A0B0F; }
a { color: inherit; text-decoration: none; }

/* =========================================
   Top doc header
   ========================================= */
.doc-head {
  border-bottom: 1px solid var(--line);
  padding: 28px 0 24px;
  position: sticky;
  top: 0;
  background: rgba(10,11,15,0.92);
  backdrop-filter: blur(10px);
  z-index: 50;
}
.doc-head-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  gap: 28px;
}
.doc-head .word {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.04em;
  display: inline-flex;
  align-items: baseline;
}
.doc-head .word .br {
  color: var(--green);
  display: inline-block;
  transform: translateY(-2px) rotate(-3deg);
  position: relative;
}
.doc-head .word .br::before {
  content: "";
  position: absolute;
  left: -2px; right: -1px; top: 50%;
  height: 1px; background: var(--green);
}
.doc-head .title {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
}
.doc-head .title .acc { color: var(--green); }
.doc-toc {
  margin-left: auto;
  display: flex;
  gap: 20px;
}
.doc-toc a {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}
.doc-toc a:hover { color: var(--green); }

/* =========================================
   Section frame
   ========================================= */
.sec {
  border-bottom: 1px solid var(--line);
  padding: 80px 0 80px;
}
.sec-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.sec-head {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  margin-bottom: 48px;
}
.sec-label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mute);
  display: flex;
  align-items: center;
  gap: 14px;
}
.sec-label .num { color: var(--green); }
.sec-label .line { display: inline-block; width: 24px; height: 1px; background: var(--green); }
.sec-title {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 36px;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--ink);
  margin: 14px 0 0;
}
.sec-lead {
  font-family: var(--f-mono);
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.65;
  max-width: 720px;
}

/* =========================================
   Reusable card frame
   ========================================= */
.frame {
  border: 1px solid var(--line);
  background: var(--bg-2);
  position: relative;
}
.frame .frame-top {
  height: 28px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}
.frame .frame-top .dot {
  width: 6px; height: 6px; background: var(--green); border-radius: 50%;
}
.frame .frame-top .name { color: var(--ink-2); }
.frame .frame-top .meta { margin-left: auto; color: var(--mute-2); font-size: 9px; }
.frame .frame-body {
  padding: 32px;
}
.frame.lightbg .frame-body { background: #F4F4EE; color: #0A0B0F; }

/* annotations within a frame */
.tag {
  position: absolute;
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  background: var(--bg);
  padding: 2px 6px;
  border: 1px solid var(--line-2);
}
.tag.muted { color: var(--mute); }

/* =========================================
   01 — Logo
   ========================================= */
.logo-grid-1 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.logo-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
}
.logo-grid-3 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.logo-stage {
  display: grid;
  place-items: center;
  min-height: 220px;
}
.logo-foot {
  border-top: 1px solid var(--line);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}
.logo-foot .acc { color: var(--green); }

/* the hybrid wordmark itself */
.hybrid-word {
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
  display: inline-flex;
  align-items: baseline;
}
.hybrid-word .br {
  color: var(--green);
  display: inline-block;
  transform: translateY(-0.13em) rotate(-3deg);
  margin-left: 0.02em;
  position: relative;
}
.hybrid-word .br::before {
  content: "";
  position: absolute;
  left: -0.08em; right: -0.04em;
  top: 50%;
  height: 0.04em;
  background: var(--green);
  transform: translateY(-1px);
}
.hybrid-word.ink-dark { color: #0A0B0F; }
.hybrid-word.ink-dark .br { color: #0A0B0F; }
.hybrid-word.ink-dark .br::before { background: #0A0B0F; }
.hybrid-word.ink-light { color: #fff; }
.hybrid-word.ink-light .br { color: #fff; }
.hybrid-word.ink-light .br::before { background: #fff; }

/* don't / do row */
.dodont {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.dd {
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 22px 18px 16px;
  min-height: 200px;
  display: grid;
  grid-template-rows: 1fr auto auto;
  gap: 14px;
}
.dd .preview { display: grid; place-items: center; min-height: 80px; }
.dd .stamp {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.dd .stamp.no { color: var(--red); }
.dd .stamp.no::before { content: "× "; }
.dd .stamp.yes { color: var(--green); }
.dd .stamp.yes::before { content: "✓ "; }
.dd .why {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--mute);
  line-height: 1.5;
}

/* =========================================
   02 — Color
   ========================================= */
.color-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.palette {
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 24px;
}
.palette .ptitle {
  display: flex;
  justify-content: space-between;
  margin-bottom: 18px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
}
.palette .ptitle .acc { color: var(--green); }
.swatch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}
.swatch {
  display: grid;
  grid-template-columns: 60px 1fr auto auto;
  gap: 14px;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--line-2);
  font-family: var(--f-mono);
  font-size: 12px;
}
.swatch .chip {
  width: 60px; height: 36px;
  border: 1px solid rgba(255,255,255,0.06);
}
.swatch .name { color: var(--ink); }
.swatch .name .sub { color: var(--mute); font-size: 10px; margin-left: 8px; letter-spacing: 0.12em; text-transform: uppercase; }
.swatch .hex { color: var(--ink-2); font-size: 11px; }
.swatch .use { color: var(--mute); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; }

/* token table */
.tokens {
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 0;
  font-family: var(--f-mono);
  font-size: 12px;
}
.tok-row {
  display: grid;
  grid-template-columns: 160px 120px 1fr 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 10px 14px;
}
.tok-row:last-child { border-bottom: none; }
.tok-row.head {
  background: var(--bg);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  font-weight: 500;
}
.tok-row .var { color: var(--green); }
.tok-row .val { color: var(--ink-2); }
.tok-row .light { color: var(--ink-2); }
.tok-row .use { color: var(--mute); font-size: 11px; }

/* =========================================
   03 — Typography
   ========================================= */
.type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.type-card {
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 32px;
}
.type-meta {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 18px;
  display: flex;
  justify-content: space-between;
}
.type-meta .acc { color: var(--green); }
.type-sample h1 {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 64px;
  letter-spacing: -0.04em;
  line-height: 1.0;
  color: var(--ink);
  margin: 0 0 6px;
}
.type-sample h2 {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 40px;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--ink);
  margin: 18px 0 6px;
}
.type-sample h3 {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--ink);
  margin: 14px 0 6px;
}
.type-sample p {
  font-family: var(--f-mono);
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
  margin: 0 0 10px;
}
.type-sample .mono-body {
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--ink-2);
}
.type-sample .kr {
  font-family: var(--f-kr);
  font-size: 18px;
  color: var(--ink);
  line-height: 1.6;
  margin: 6px 0 4px;
}
.type-sample .kr-sub {
  font-family: var(--f-kr);
  font-size: 14px;
  color: var(--ink-2);
}

.type-scale {
  border: 1px solid var(--line);
  background: var(--bg-2);
  font-family: var(--f-mono);
  font-size: 12px;
}
.type-scale .row {
  display: grid;
  grid-template-columns: 120px 80px 90px 1fr;
  align-items: baseline;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  gap: 14px;
}
.type-scale .row:last-child { border-bottom: none; }
.type-scale .row.head {
  background: var(--bg);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}
.type-scale .lab { color: var(--green); }
.type-scale .sz { color: var(--ink-2); }
.type-scale .ls { color: var(--mute); font-size: 11px; }
.type-scale .ex { color: var(--ink); font-family: var(--f-display); letter-spacing: -0.02em; }
.type-scale .ex.mn { font-family: var(--f-mono); letter-spacing: 0; }
.type-scale .ex.kr { font-family: var(--f-kr); letter-spacing: -0.02em; }

/* =========================================
   04 — Spacing
   ========================================= */
.space-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.space-scale {
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 24px;
}
.space-scale .row {
  display: grid;
  grid-template-columns: 80px 60px 1fr;
  align-items: center;
  gap: 18px;
  padding: 6px 0;
  font-family: var(--f-mono);
  font-size: 12px;
}
.space-scale .row .var { color: var(--green); }
.space-scale .row .px { color: var(--ink-2); }
.space-scale .row .bar { height: 8px; background: var(--green); }

.layout-card {
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 24px;
}
.layout-card h4 {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 14px;
}
.layout-card h4 .acc { color: var(--green); }
.layout-diag {
  border: 1px dashed var(--line-2);
  padding: 24px 14px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-2);
  position: relative;
  margin-bottom: 14px;
}
.layout-diag .container-line {
  border: 1px solid var(--green);
  padding: 14px;
  color: var(--green);
  position: relative;
}
.layout-diag .container-line::before {
  content: "max-width 1240px · pad 24px";
  position: absolute;
  top: -8px; left: 14px;
  background: var(--bg-2);
  padding: 0 6px;
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.layout-diag p {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-2);
}
.layout-card .note {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--mute);
  line-height: 1.55;
}

/* =========================================
   05 — Components
   ========================================= */
.comp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.comp-card {
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 28px;
}
.comp-card .meta-line {
  display: flex;
  justify-content: space-between;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 22px;
}
.comp-card .meta-line .acc { color: var(--green); }

/* button samples */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border: 1px solid var(--line-2);
  background: transparent;
  color: var(--ink);
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  transition: all 120ms ease;
}
.btn:hover { border-color: var(--green); color: var(--green); }
.btn.primary { background: var(--green); color: #0A0B0F; border-color: var(--green); }
.btn.primary:hover { background: transparent; color: var(--green); }
.btn.ghost { border-color: transparent; padding-left: 0; padding-right: 0; color: var(--ink-2); }
.btn.ghost:hover { color: var(--green); }
.btn .arrow { transition: transform 120ms ease; }
.btn:hover .arrow { transform: translateX(2px); }

.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }

/* sticker pill */
.sticker-pill {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
  padding: 5px 10px;
  border: 1px solid var(--line-2);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.sticker-pill .dot { width: 5px; height: 5px; background: var(--green); border-radius: 50%; }
.sticker-pill .dot.amber { background: var(--amber); }
.sticker-pill .dot.violet { background: var(--violet); }
.sticker-pill .dot.red { background: var(--red); }
.sticker-pill.dialogic { border-color: var(--violet); color: var(--ink-2); }
.sticker-pill.dialogic b { color: var(--violet); font-weight: 600; }
.sticker-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* kicker */
.kicker-row {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--mute);
}
.kicker .num { color: var(--green); }
.kicker .line { display: inline-block; width: 24px; height: 1px; background: var(--green); }

/* code block */
.codeblock {
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 14px 16px;
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--ink-2);
  white-space: pre-wrap;
  line-height: 1.6;
}
.codeblock .k { color: var(--green); }
.codeblock .s { color: var(--amber); }
.codeblock .b { color: var(--violet); }
.codeblock .n { color: var(--violet); }
.codeblock .c { color: var(--mute); }

/* =========================================
   06 — Voice
   ========================================= */
.voice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.voice-card {
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 28px;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 18px;
}
.voice-card .vstamp {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
}
.voice-card h4 {
  font-family: var(--f-display);
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}
.voice-card p {
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.6;
  margin: 0;
}
.voice-card .quote {
  border-left: 2px solid var(--green);
  padding-left: 14px;
  font-family: var(--f-mono);
  font-size: 13px;
  color: var(--ink);
  font-style: italic;
}
.voice-card .quote.ko { font-family: var(--f-kr); font-size: 14px; }
.voice-card .quote .src {
  display: block;
  font-style: normal;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
  margin-top: 8px;
}
.voice-card.bad .quote { border-left-color: var(--red); }
.voice-card.bad .vstamp { color: var(--red); }

.voice-matrix {
  border: 1px solid var(--line);
  background: var(--bg-2);
  font-family: var(--f-mono);
  font-size: 12px;
}
.voice-matrix .row {
  display: grid;
  grid-template-columns: 160px 1fr 1fr;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  gap: 18px;
  align-items: center;
}
.voice-matrix .row:last-child { border-bottom: none; }
.voice-matrix .row.head {
  background: var(--bg);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}
.voice-matrix .lab { color: var(--green); }
.voice-matrix .row .y { color: var(--ink); }
.voice-matrix .row .n { color: var(--mute); position: relative; }
.voice-matrix .row .n::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 1px; background: var(--red);
}

/* =========================================
   Footer
   ========================================= */
.doc-foot {
  padding: 60px 0;
  text-align: center;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
}
.doc-foot .acc { color: var(--green); }
.doc-foot a {
  display: inline-block;
  margin: 0 12px;
  color: var(--mute);
}
.doc-foot a:hover { color: var(--green); }

/* responsive */
@media (max-width: 980px) {
  :root { --pad: 20px; }
  .sec-head { grid-template-columns: 1fr; gap: 16px; }
  .logo-grid-1, .logo-grid-2, .logo-grid-3 { grid-template-columns: 1fr; }
  .color-row, .type-grid, .space-grid, .comp-grid, .voice-grid { grid-template-columns: 1fr; }
  .dodont { grid-template-columns: 1fr 1fr; }
  .doc-toc { display: none; }
  .tok-row { grid-template-columns: 1fr; gap: 4px; padding: 12px 14px; }
  .type-scale .row { grid-template-columns: 1fr; gap: 6px; }
  .voice-matrix .row { grid-template-columns: 1fr; gap: 8px; }
}