/* URIGG — 기본 스타일 (taste-skill 방향: Type and nothing else · Black and crimson · Switzer)
   유리 효과는 theme-glass.css에만 있다. 그 파일을 빼면 이 파일만으로 불투명한 하우스 스타일이 된다. */

:root {
  --bg: #0a0a0a;
  --surface: #151515;
  --surface-2: #1f1f1f;
  --ink: #efefef;
  --muted: #a3a3a3;
  --accent: #b11226;
  --accent-press: #8f0e1e;
  --accent-ink: #ffffff;
  --accent-text: #d81b33;
  --field-1: #efefef;
  --field-1-ink: #0a0a0a;
  --mark-1: #b11226;   --mark-1-ink: #ffffff;   /* 리눅스 */
  --mark-2: #efefef;   --mark-2-ink: #0a0a0a;   /* 네트워크 */
  --mark-3: #4a4a4a;   --mark-3-ink: #ffffff;   /* 자격증 · 기타 */

  --font: 'Switzer', 'Pretendard Variable', Pretendard, system-ui, sans-serif;
  --step-small: clamp(0.8125rem, 0.79rem + 0.1vw, 0.875rem);
  --step-body: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --step-lead: clamp(1.25rem, 1.05rem + 0.5vw, 1.5rem);
  --step-head: clamp(1.75rem, 1.2rem + 1.6vw, 2.5rem);
  --step-display: clamp(4rem, 8vw, 8.25rem);
  --step-specimen: clamp(9rem, 23.4vw, 22.5rem);

  --gutter: clamp(20px, 3.4vw, 48px);
  --section-gap: clamp(96px, 12vw, 200px);
  --radius: 28px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--step-body);
  line-height: 1.5;
  letter-spacing: -0.005em;
  word-break: keep-all;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p, ol, ul, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { padding-inline: var(--gutter); }
h2 { font-size: var(--step-head); font-weight: 600; letter-spacing: -0.03em; line-height: 1.05; text-wrap: balance; }

/* 공용 표면. 기본은 한 단계 밝은 불투명 면 — theme-glass.css가 유리로 바꾼다 */
.glass { background: var(--surface); border-radius: var(--radius); }

/* 버튼: 하나의 모양 — 완전한 둥근 모서리, 평면 채움 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 24px;
  border-radius: 999px; border: 0;
  background: var(--accent); color: var(--accent-ink);
  font: inherit; font-weight: 500; text-decoration: none; cursor: pointer;
  transition: transform 220ms var(--ease-out), background-color 220ms;
}
.btn:hover { background: var(--accent-press); transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.97); }
.link { text-decoration: underline 1px; text-decoration-color: transparent; text-underline-offset: 5px; transition: text-decoration-color 220ms; }
.link:hover, .link:focus-visible { text-decoration-color: currentColor; }

/* ── 상단 바 ─────────────────────────────── */
.top {
  position: fixed; inset: 12px var(--gutter) auto; z-index: 50;
  display: grid; grid-template-columns: 1fr auto; align-items: center;
  min-height: 60px; padding: 6px 6px 6px 20px;
  border-radius: 999px;
  transition: background-color 300ms, box-shadow 300ms;
}
.top__mark { font-weight: 600; letter-spacing: -0.03em; text-decoration: none; font-size: var(--step-lead); }
.top__nav { position: absolute; left: calc(42vw - var(--gutter)); display: flex; gap: 28px; }
.top__nav a { text-decoration: none; color: var(--ink); }
.top .btn { min-height: 48px; }

/* ── 첫 화면 ─────────────────────────────── */
.hero {
  position: relative; min-height: 100svh;
  display: grid; grid-template-columns: 42% 1fr; align-items: end;
  padding: 0 var(--gutter) 72px;
  overflow: hidden;
}
.hero__lede { max-width: 32ch; color: var(--muted); font-size: var(--step-body); padding-right: 32px; padding-bottom: 0.4em; }
.hero__lede strong { color: var(--ink); font-weight: 500; }
.hero h1 { font-size: var(--step-display); font-weight: 600; letter-spacing: -0.045em; line-height: 0.95; }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.hero h1 .line > span { display: block; }
.hero h1 .line:last-child { color: var(--accent-text); }

/* 첫 화면 위쪽: 최신 글이 로그처럼 쌓인다 */
.tail { position: absolute; left: 42%; right: var(--gutter); top: 22svh; display: grid; gap: 6px; color: var(--muted); font-size: var(--step-small); font-variant-numeric: tabular-nums; }
.tail li { display: grid; grid-template-columns: 7.5em 1fr; gap: 16px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tail li:first-child { color: var(--ink); }
.tail a { text-decoration: none; overflow: hidden; text-overflow: ellipsis; }
.tail a:hover { color: var(--ink); }
.js .tail li { opacity: 0; animation: fade 500ms var(--ease-out) forwards; animation-delay: calc(900ms + var(--i, 0) * 90ms); }

/* ── 소개 ───────────────────────────────── */
.about { padding: var(--section-gap) var(--gutter) 0; }
.about__text {
  columns: 2; column-gap: 40px;
  font-size: var(--step-lead); line-height: 1.3; color: var(--muted);
  text-align: left;
}
.about__text p + p { margin-top: 0.7em; }
.about__text b { color: var(--ink); font-weight: 600; }
.mark { box-decoration-break: clone; -webkit-box-decoration-break: clone; padding: 0 0.12em; border-radius: 4px; }
.mark--1 { background: var(--mark-1); color: var(--mark-1-ink); }
.mark--2 { background: var(--mark-2); color: var(--mark-2-ink); }
.mark--3 { background: var(--mark-3); color: var(--mark-3-ink); }
.about__close { display: inline; text-decoration: none; }
.about__close .mark { transition: background-color 200ms; }
.about__close:hover .mark { background: var(--accent-press); }

/* ── 블로그 책장 ──────────────────────────── */
.log { position: relative; isolation: isolate; padding: var(--section-gap) var(--gutter) 0; }
.log__head { display: grid; grid-template-columns: auto 1fr auto; gap: 16px 40px; align-items: end; margin-bottom: 48px; }
.log__note { font-size: var(--step-small); max-width: 46ch; }
.grep { display: flex; align-items: center; gap: 12px; padding: 6px 8px 6px 20px; border-radius: 999px; min-width: min(380px, 100%); }
.grep label { font-weight: 600; }
.grep input { flex: 1; min-width: 0; min-height: 44px; border: 0; background: transparent; color: var(--ink); font: inherit; outline: none; }
.grep input::placeholder { color: var(--muted); }
.grep:focus-within { outline: 2px solid var(--ink); outline-offset: 3px; }
.grep__count { font-variant-numeric: tabular-nums; color: var(--muted); font-size: var(--step-small); padding-right: 12px; white-space: nowrap; }

.log__body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 0.62fr); gap: 32px; align-items: start; }
.shelf { display: grid; gap: 4px; }
.entry__link {
  display: grid; grid-template-columns: 7.5em minmax(0, 1fr) auto 1.5em; gap: 24px; align-items: center;
  min-height: 68px; padding: 14px 20px; border-radius: 18px;
  color: var(--ink); text-decoration: none;
  transition: background-color 240ms;
}
.entry__date { color: var(--muted); font-size: var(--step-small); font-variant-numeric: tabular-nums; }
.entry__title { font-size: var(--step-lead); font-weight: 500; letter-spacing: -0.02em; line-height: 1.25; transition: transform 320ms var(--ease-out); }
.entry__series { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: var(--step-small); white-space: nowrap; }
.entry__dot { width: 8px; height: 8px; border-radius: 50%; }
.entry__arrow { color: var(--muted); opacity: 0; transform: translateX(-8px); transition: opacity 240ms, transform 320ms var(--ease-out); }
.entry.is-active .entry__link, .entry__link:hover, .entry__link:focus-visible { background: var(--surface-2); }
.entry.is-active .entry__title, .entry__link:hover .entry__title { transform: translateX(6px); }
.entry.is-active .entry__arrow, .entry__link:hover .entry__arrow { opacity: 1; transform: none; color: var(--ink); }
.entry[hidden] { display: none; }
.shelf__empty { padding: 20px; color: var(--ink); }

.post { padding: 32px; display: grid; gap: 16px; position: sticky; top: 100px; }
.post__series { justify-self: start; font-size: var(--step-small); padding: 2px 8px; }
.post h3 { font-size: var(--step-lead); font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; text-wrap: balance; }
.post__date { color: var(--muted); font-size: var(--step-small); font-variant-numeric: tabular-nums; }
.post__thumb { aspect-ratio: 16 / 9; width: 100%; object-fit: cover; border-radius: 14px; background: var(--surface-2); }
.post__summary { color: var(--ink); }
.post .btn { justify-self: start; }

/* ── security.log 저장소 ─────────────────── */
.repo { padding: var(--section-gap) var(--gutter); display: grid; grid-template-columns: repeat(12, 1fr); gap: 0 32px; }
.repo__col { grid-column: 3 / span 5; }
.repo__col h2 { margin-bottom: 16px; }
.repo__intro { margin-bottom: 12px; }
.repo__meta { color: var(--muted); font-size: var(--step-small); font-variant-numeric: tabular-nums; margin-bottom: 40px; }
.repo__meta a { color: var(--ink); }
.toc__group + .toc__group { margin-top: 40px; }
.toc__name { color: var(--muted); margin-bottom: 6px; }
.toc__row { display: grid; grid-template-columns: 16px 1fr auto; gap: 10px; align-items: baseline; min-height: 38px; padding: 7px 0; text-decoration: none; color: var(--ink); }
.toc__row:is(a):hover .toc__title { color: var(--accent); }
.toc__dot { width: 12px; height: 12px; border-radius: 50%; align-self: center; }
.toc__value { color: var(--muted); font-size: var(--step-small); font-variant-numeric: tabular-nums; }
.toc__row--planned .toc__title { color: var(--muted); }
.repo__card { grid-column: 9 / span 4; position: sticky; top: 100px; align-self: start; margin-top: 40px; padding: 36px; display: grid; gap: 28px; }
.repo__count { font-size: var(--step-head); font-weight: 600; letter-spacing: -0.03em; line-height: 1.05; }
.repo__count b { display: block; font-size: var(--step-display); line-height: 0.9; letter-spacing: -0.05em; color: var(--accent-text); }
.repo__split li { display: grid; grid-template-columns: 12px 1fr auto; gap: 10px; align-items: center; padding: 6px 0; }
.repo__split .toc__dot { width: 10px; height: 10px; }
.repo__split span:last-child { color: var(--muted); font-variant-numeric: tabular-nums; }
.repo__foot { color: var(--muted); font-size: var(--step-small); font-variant-numeric: tabular-nums; }
.repo__card .btn { justify-self: start; }

/* ── 코워크 캘린더 ────────────────────────── */
.app { padding-top: var(--section-gap); }
.app__head { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px 32px; padding-inline: var(--gutter); }
.app__head h2 { grid-column: 1 / span 5; }
.app__head p { grid-column: 7 / span 6; }
.specimens { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 12vh var(--gutter) 0; height: calc(var(--step-specimen) * 0.62 + 12vh + 48px); overflow: hidden; }
.specimen__word { font-size: var(--step-specimen); line-height: 0.8; font-weight: 600; letter-spacing: -0.06em; white-space: nowrap; }
.specimen:last-child .specimen__word { color: var(--accent-text); }

.desk { position: relative; isolation: isolate; padding: 64px var(--gutter) var(--section-gap); display: grid; grid-template-columns: repeat(12, 1fr); gap: 32px; align-items: center; overflow: hidden; }
.desk__shot { grid-column: 1 / span 6; justify-self: center; width: min(100%, 560px); border-radius: 22px; }
.desk__panel { grid-column: 7 / span 6; justify-self: end; padding: 40px; display: grid; gap: 24px; max-width: 600px; }
.desk__id { display: flex; gap: 18px; align-items: center; }
.desk__id img { width: 72px; height: 72px; }
.desk__id h3 { font-size: var(--step-head); font-weight: 600; letter-spacing: -0.03em; line-height: 1.05; }
.desk__ver { color: var(--muted); font-size: var(--step-small); font-variant-numeric: tabular-nums; }
.desk__actions { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; }
.flow li { display: grid; grid-template-columns: 6.5em 1fr; gap: 16px; padding: 8px 0; }
.flow b { font-weight: 500; }
.flow span { color: var(--ink); }
.desk__stack { color: var(--muted); font-size: var(--step-small); }

/* ── 맺음 ───────────────────────────────── */
.end { position: relative; z-index: 0; min-height: 100svh; display: grid; grid-template-rows: auto 1fr auto auto; padding: 40px var(--gutter) 20px; background: var(--field-1); color: var(--field-1-ink); }
.end__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.end__cols p { color: #3d3d3d; font-size: var(--step-small); }
.end__cols p:first-child { color: var(--field-1-ink); font-weight: 600; margin-bottom: 4px; }
.end__cols a { color: var(--field-1-ink); }
.end__word { display: block; width: 100%; margin-bottom: 20px; }
.end__word text { fill: var(--field-1-ink); font-family: var(--font); font-weight: 600; letter-spacing: -0.05em; }
.end__legal { font-size: var(--step-small); color: #3d3d3d; }

/* ── 움직임 ─────────────────────────────── */
@supports (animation-timeline: view()) {
  [data-reveal] { animation: reveal linear both; animation-timeline: view(); animation-range: entry calc(var(--i, 0) * 4%) entry calc(45% + var(--i, 0) * 4%); }
}
@supports (animation-timeline: view()) {
  [data-rise] { animation: rise-in linear both; animation-timeline: view(); animation-range: entry 0% cover 30%; }
}
@keyframes rise-in { from { transform: translateY(48px); } to { transform: none; } }
@keyframes reveal { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
.js .hero h1 .line > span { transform: translateY(105%); animation: rise 900ms var(--ease-out) forwards; }
.js .hero h1 .line:nth-child(2) > span { animation-delay: 110ms; }
.js .hero__lede, .js .top { opacity: 0; animation: fade 700ms 650ms var(--ease-out) forwards; }
@keyframes rise { to { transform: none; } }
@keyframes fade { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .tail li, [data-reveal], [data-rise], .js .hero h1 .line > span, .js .hero__lede, .js .top { opacity: 1; transform: none; animation: none; transition: none; }
  .entry__link, .entry__title, .entry__arrow, .btn { transition: none; }
}

/* ── 태블릿 ─────────────────────────────── */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; align-content: end; gap: 32px; }
  .hero h1 { order: -1; font-size: 13vw; }
  .tail { left: var(--gutter); }
  .end { min-height: 72svh; }
  .log__head { grid-template-columns: 1fr; }
  .log__body { grid-template-columns: 1fr; }
  .post { position: static; }
  .repo__col { grid-column: 1 / span 7; }
  .repo__card { grid-column: 8 / span 5; }
  .desk__shot, .desk__panel { grid-column: 1 / -1; }
  .desk__panel { justify-self: center; width: 100%; }
}

/* ── 휴대폰 ─────────────────────────────── */
@media (max-width: 720px) {
  :root { --gutter: 20px; --radius: 22px; }
  .top { padding-left: 16px; }
  .top__nav { display: none; }
  .hero { grid-template-columns: 1fr; align-content: end; padding-bottom: 28px; gap: 24px; }
  .hero h1 { order: -1; font-size: 18vw; }
  .tail { left: var(--gutter); top: 96px; }
  .tail li { grid-template-columns: 1fr; gap: 0; white-space: normal; }
  .tail li:nth-child(n+4) { display: none; }
  .hero__lede { font-size: var(--step-body); padding: 0; }
  .about__text { columns: 1; text-align: left; font-size: 1.25rem; line-height: 1.3; }
  .log { padding-block: 96px; }
  .entry__link { grid-template-columns: 1fr auto; gap: 4px 12px; padding: 14px 16px; min-height: 0; }
  .entry__date { grid-row: 1; }
  .entry__series { grid-row: 1; justify-self: end; }
  .entry__title { grid-column: 1 / -1; font-size: var(--step-body); }
  .entry__arrow { display: none; }
  .entry.is-active .entry__link { background: transparent; }
  .entry.is-active .entry__title { transform: none; }
  .post { display: none; }
  .post { padding: 24px; }
  .repo { display: block; }
  .repo__card { margin-top: 64px; position: static; padding: 24px; }
  .toc__row { min-height: 44px; }
  .app__head { display: block; }
  .app__head p { margin-top: 16px; }
  .specimens { grid-template-columns: 1fr; gap: 0; height: auto; padding-top: 64px; }
  .specimen { height: 38svh; overflow: hidden; padding: 16px 20px 0; margin-inline: -20px; }
  .specimen__word { font-size: 44vw; }
  .specimen:last-child { background: var(--field-1); color: var(--field-1-ink); }
  .desk { padding-block: 64px; }
  .desk__panel { padding: 24px; }
  .flow li { grid-template-columns: 1fr; gap: 0; }
  .end__cols { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
}