@page { size: A4; margin: 15mm 14mm 16mm; }

:root {
  --ink: #1a1d20;
  --body: #33383d;
  --dim: #6a7076;
  --rule: #d9dbdd;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  /* 사내망 등 Google Fonts가 막힌 환경에서 CJK 폰트로 폴백되도록 한다.
     OS 기본 한글 폰트를 명시하지 않으면 엉뚱한 중문 폰트가 잡히거나 글자가 깨진다. */
  --sans: 'IBM Plex Sans KR', 'Malgun Gothic', 'Apple SD Gothic Neo', 'Noto Sans KR', system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: #f2f2f0;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ink); text-decoration: none; }
a:hover { color: #000; text-decoration: underline; }

/* 화면에서는 읽기 좋은 문서 폭으로, 인쇄에서는 A4 여러 장으로 흐르게 한다. */
.sheet {
  width: min(calc(100% - 32px), 960px);
  min-height: 0;
  margin: 28px auto;
  padding: 56px 64px 72px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 12px 32px rgba(0, 0, 0, .09);
}

.toolbar {
  width: min(calc(100% - 32px), 960px);
  margin: 24px auto -10px;
  display: flex; justify-content: flex-end; gap: 10px;
  font-family: var(--mono); font-size: 12px;
}
.toolbar a, .toolbar button {
  font-family: inherit; font-size: inherit;
  padding: 7px 14px; border-radius: 999px;
  border: 1px solid #c9ccd0; background: #fff; color: var(--dim);
  cursor: pointer; text-decoration: none;
  transition: color .2s ease, border-color .2s ease;
}
.toolbar a:hover, .toolbar button:hover { color: var(--ink); border-color: var(--dim); text-decoration: none; }

/* ── 헤더 ─────────────────────────────────── */
.head {
  display: flex; justify-content: space-between; align-items: flex-end;
  border-top: 3px solid var(--ink); border-bottom: 1px solid var(--rule);
  padding: 24px 0 22px;
}
h1 { margin: 0; font-size: 30pt; font-weight: 700; letter-spacing: -.025em; }
h1 .en { font-size: 11.5pt; font-weight: 500; color: var(--dim); font-family: var(--mono); }
.role { margin-top: 8px; font-size: 12.5pt; font-weight: 500; }
.contact { text-align: right; font-family: var(--mono); font-size: 9pt; line-height: 1.8; color: #4c545c; }

.summary { margin: 22px 0 0; max-width: 720px; font-size: 11pt; line-height: 1.75; color: var(--body); text-wrap: pretty; }

h2 {
  margin: 38px 0 18px;
  font-size: 13pt; font-weight: 700; letter-spacing: .08em; color: var(--ink);
  border-bottom: 2px solid var(--ink); padding-bottom: 9px;
  /* 소제목만 페이지 끝에 남고 내용이 다음 장에서 시작하는 것을 막는다 */
  break-after: avoid;
}

.row { display: grid; grid-template-columns: 145px 1fr; gap: 28px; break-inside: avoid; }
.row + .row { margin-top: 26px; }
.when { font-family: var(--mono); font-size: 9pt; color: var(--dim); padding-top: 3px; }
.what { font-size: 12pt; font-weight: 600; }
ul { margin: 9px 0 0; padding-left: 18px; font-size: 10.5pt; line-height: 1.7; color: var(--body); }
li { orphans: 3; widows: 3; }

.project-group { margin-top: 28px; }
.project-group + .project-group { margin-top: 48px; }
.group-heading {
  display: grid; grid-template-columns: 145px 1fr; gap: 28px;
  align-items: baseline; padding-bottom: 12px; border-bottom: 1px solid var(--rule);
  break-after: avoid;
}
.group-label {
  margin: 0; font-family: var(--mono); font-size: 8pt;
  font-weight: 600; letter-spacing: .07em; color: var(--dim); text-transform: uppercase;
}
.group-title { margin: 0; font-size: 14pt; font-weight: 600; }
.group-desc { margin: 4px 0 0; font-size: 9.5pt; line-height: 1.5; color: var(--dim); }

.project {
  display: grid; grid-template-columns: 220px 1fr; gap: 30px;
  padding: 26px 0 30px; border-bottom: 1px solid var(--rule);
  break-inside: avoid;
}
.project-title {
  margin: 0; font-size: 12pt; font-weight: 600; line-height: 1.45;
  word-break: keep-all; overflow-wrap: normal;
}
.project-date { margin: 7px 0 0; font-family: var(--mono); font-size: 8.5pt; color: var(--dim); }
.project-stack { margin: 5px 0 0; font-size: 8.8pt; line-height: 1.5; color: var(--dim); }
.project-impact { margin: 0; font-size: 11.5pt; font-weight: 600; line-height: 1.6; color: var(--ink); }
.project-points { margin-top: 13px; }
.project-points li + li { margin-top: 7px; }
.bullet-label { color: var(--ink); font-weight: 600; }

/* ── 인쇄 ─────────────────────────────────── */
@media print {
  body { background: #fff; }
  .toolbar { display: none; }
  .sheet {
    width: auto; min-height: 0; margin: 0; padding: 0;
    box-shadow: none;
  }
  h1 { font-size: 27pt; }
  .head { padding: 18px 0 16px; }
  .summary { margin-top: 16px; font-size: 10.5pt; line-height: 1.65; }
  h2 { margin: 28px 0 14px; font-size: 12pt; padding-bottom: 7px; }
  .row { grid-template-columns: 125px 1fr; gap: 22px; }
  .row + .row { margin-top: 20px; }
  .what { font-size: 11.5pt; }
  ul { margin-top: 7px; font-size: 9.5pt; line-height: 1.55; }
  .project-group { margin-top: 18px; break-inside: avoid; page-break-inside: avoid; }
  .project-group + .project-group { margin-top: 26px; }
  .group-heading { grid-template-columns: 125px 1fr; gap: 22px; padding-bottom: 9px; }
  .group-title { font-size: 12.5pt; }
  .group-desc { font-size: 8.8pt; }
  .project { grid-template-columns: 190px 1fr; gap: 24px; padding: 18px 0 21px; }
  .project-title { font-size: 11pt; }
  .project-impact { font-size: 10.5pt; line-height: 1.5; }
  .project-points { margin-top: 9px; }
  .project-points li + li { margin-top: 4px; }
  a { color: var(--ink) !important; text-decoration: none !important; }
}

@media screen and (max-width: 760px) {
  .sheet { width: auto; min-height: 0; margin: 0; padding: 24px 20px 40px; box-shadow: none; }
  .toolbar { margin: 16px 20px -8px; }
  .head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .contact { text-align: left; }
  .row, .group-heading, .project { grid-template-columns: 1fr; gap: 4px; }
  .row + .row { margin-top: 22px; }
  .project { padding: 20px 0 24px; }
}