/* ============================================================
   전세진 포트폴리오 — 항해형 허브
   구조: 고정 캔버스(바다) + 스크롤 챕터 → 상세 섹션
   ============================================================ */

:root{
  --paper:#f2f0ed;
  --paper-2:#e7e4df;
  --ink:#11141a;
  --ink-soft:#3b424b;
  --muted:#767d85;
  --line:rgba(17,20,26,.13);
  --accent:#c2542a;
  --maxw:1240px;
  --pad:clamp(20px,5vw,72px);
  --serif:'Instrument Serif','Noto Serif KR',Georgia,serif;
  --sans:'Pretendard Variable',Pretendard,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  word-break:keep-all;overflow-wrap:break-word;   /* 한국어 어절 단위 줄바꿈 */
}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--accent);color:#fff}

.mono{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}

/* ---------- 상단 고정 헤더 ---------- */
.site-head{
  position:fixed;inset:0 0 auto 0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px var(--pad);pointer-events:none;
  color:var(--ink);transition:color .5s ease;
}
body.on-stage .site-head,body.on-dark .site-head{color:#fff;text-shadow:0 1px 16px rgba(10,16,26,.4)}
.site-head a,.site-head button{pointer-events:auto}
.logo{
  font-family:var(--mono);font-weight:500;font-size:15px;
  letter-spacing:.3em;text-decoration:none;text-transform:uppercase;
}
.head-nav{display:flex;gap:26px}
.head-nav a{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;text-decoration:none;opacity:.8;transition:opacity .25s;
}
.head-nav a:hover{opacity:1}

/* ---------- 우측 진행 레일 ---------- */
.rail{
  position:fixed;top:50%;right:26px;transform:translateY(-50%);
  z-index:55;display:flex;flex-direction:column;gap:14px;align-items:flex-end;
}
.rail a{
  display:flex;align-items:center;gap:10px;text-decoration:none;
  font-family:var(--mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);transition:.35s;
}
.rail a span{opacity:0;transform:translateX(6px);transition:.35s}
.rail:hover a span{opacity:1;transform:none}
.rail i{display:block;width:22px;height:2px;background:currentColor;opacity:.35;transition:.35s}
.rail a.on{color:var(--ink)}
.rail a.on span{opacity:1;transform:none}
.rail a.on i{opacity:1;width:34px;background:var(--accent)}
body.on-stage .rail a,body.on-dark .rail a{color:rgba(255,255,255,.72)}
body.on-stage .rail a.on,body.on-dark .rail a.on{color:#fff}

/* ---------- 인트로 스테이지 ---------- */
.stage{position:relative;height:560vh}
.stage-sticky{position:sticky;top:0;height:100vh;overflow:hidden}
#sea{position:absolute;inset:0;width:100%;height:100%;display:block}
.vignette{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(125% 85% at 50% 45%,transparent 45%,rgba(6,10,16,.3) 100%);
}

.chap{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
  padding:0 var(--pad);color:#fff;opacity:0;pointer-events:none;
  will-change:opacity,transform;
}
.chap.live{pointer-events:auto}
/* 히어로는 위쪽에 — 배가 아래로 보이도록 */
.chap--hero{justify-content:flex-start;padding-top:min(17vh,150px)}
.chap--hero .cta{position:absolute;left:50%;bottom:13vh;transform:translateX(-50%);margin:0}
.chap h1{
  margin:0;font-family:var(--serif);font-weight:400;
  font-size:clamp(42px,7.4vw,104px);line-height:1.06;letter-spacing:-.02em;
  text-shadow:0 2px 40px rgba(10,16,26,.35);
}
.chap .eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  opacity:.82;margin:0 0 26px;
}
.chap .lede{
  margin:26px 0 0;font-size:clamp(14px,1.5vw,17px);opacity:.88;
  max-width:38ch;text-shadow:0 1px 20px rgba(10,16,26,.4);
}
.cta{
  margin-top:44px;display:inline-flex;align-items:center;gap:16px;
  padding:13px 13px 13px 26px;border:0;cursor:pointer;
  background:#fff;color:var(--ink);
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  transition:.3s;
}
.cta .arr{width:30px;height:30px;display:grid;place-items:center;background:var(--accent);color:#fff;transition:transform .3s}
.cta:hover{background:var(--paper)}
.cta:hover .arr{transform:translateX(4px)}

/* 챕터 2 — 한 줄 설명 라인 */
.chap--lines::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(64% 46% at 50% 46%,rgba(8,14,22,.55),rgba(8,14,22,0) 74%);
}
.lines{margin:0;padding:0;list-style:none;position:relative}
.lines li{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(19px,2.9vw,42px);line-height:1.36;letter-spacing:-.01em;
  opacity:.22;transition:opacity .55s ease;
  text-shadow:0 2px 28px rgba(8,16,28,.6);
}
.lines li.hot{opacity:1}

.shot{
  position:absolute;width:min(21vw,330px);
  opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s;
  box-shadow:0 26px 60px rgba(6,12,22,.42);
}
.shot.in{opacity:1;transform:none}
.shot img,.shot .ph{display:block;width:100%}
.shot .ph{
  aspect-ratio:16/9;background:rgba(255,255,255,.12);
  border:1px dashed rgba(255,255,255,.55);
  display:grid;place-items:center;text-align:center;padding:14px;
  font-family:var(--mono);font-size:10px;letter-spacing:.1em;line-height:2;color:rgba(255,255,255,.88);
}
.shot .tag{
  position:absolute;top:-26px;left:0;background:#fff;color:var(--ink);
  padding:5px 12px;font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
}
.shot--l{left:var(--pad);top:30%}
.shot--r{right:var(--pad);top:56%}

/* 챕터 3 — 태그라인 */
.tagline{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(30px,5.4vw,78px);line-height:1.2;
  letter-spacing:-.02em;margin:0;text-shadow:0 2px 40px rgba(6,12,22,.45);
}
.tagline em{font-style:normal;opacity:.66}
.sign{margin-top:34px;font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;opacity:.75}

.skip{
  position:fixed;right:var(--pad);bottom:34px;z-index:58;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.45);
  color:#fff;padding:10px 16px;cursor:pointer;backdrop-filter:blur(6px);
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  transition:.3s;opacity:0;pointer-events:none;
}
.skip.show{opacity:1;pointer-events:auto}
.skip:hover{background:#fff;color:var(--ink)}
.scroll-cue{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
  color:#fff;font-family:var(--mono);font-size:9px;letter-spacing:.2em;
  text-transform:uppercase;opacity:.6;transition:opacity .4s;pointer-events:none;
}
.scroll-cue::after{content:'';display:block;width:1px;height:26px;margin:10px auto 0;background:linear-gradient(#fff,transparent)}

/* ---------- 공통 섹션 ---------- */
section.slab{padding:clamp(80px,11vw,150px) 0;position:relative;background:var(--paper)}
.sec-head{display:flex;gap:28px;align-items:baseline;margin-bottom:54px;flex-wrap:wrap}
.sec-head .no{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--accent)}
.sec-head h2{
  margin:0;font-family:var(--serif);font-weight:400;
  font-size:clamp(32px,5vw,62px);line-height:1.08;letter-spacing:-.02em;
}
.sec-head p{margin:0;color:var(--muted);font-size:15px;max-width:46ch}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- 프로젝트 쇼케이스 ---------- */
.showcase{position:relative;height:100vh;min-height:620px;overflow:hidden;background:#111}
/* 꺼진 패널은 투명하기만 해서는 안 된다 — 위에 겹쳐 클릭과 탭 이동을 가로챈다 */
.panel{
  position:absolute;inset:0;opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .8s ease,visibility 0s linear .8s;
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(60px,9vh,110px) var(--pad) 130px;color:#fff;
}
.panel.on{
  opacity:1;visibility:visible;pointer-events:auto;
  transition:opacity .8s ease,visibility 0s;
}
.panel[data-proj="cbd"]{background:linear-gradient(168deg,#1d4f86 0%,#123253 42%,#080d14 100%)}
.panel[data-proj="mc"]{background:linear-gradient(168deg,#c2661f 0%,#8c3d16 45%,#180d06 100%)}
.panel-in{max-width:var(--maxw);margin:0 auto;width:100%}
.panel-top{display:flex;gap:40px;justify-content:space-between;align-items:flex-start;flex-wrap:wrap}
.panel h3{
  margin:0;font-family:var(--serif);font-weight:400;
  font-size:clamp(44px,7.6vw,116px);line-height:.94;letter-spacing:-.03em;
}
.panel .desc{max-width:42ch;font-size:clamp(15px,1.5vw,19px);line-height:1.6;opacity:.94;margin:0}
.panel .meta{display:flex;gap:38px;flex-wrap:wrap;margin:34px 0 0}
.panel .meta dt{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;opacity:.6;margin:0 0 6px}
.panel .meta dd{margin:0;font-size:14px}
.panel-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.plink{
  display:inline-flex;align-items:center;gap:10px;text-decoration:none;
  border:1px solid rgba(255,255,255,.55);padding:11px 18px;
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;transition:.28s;
}
.plink:hover{background:#fff;color:#111;border-color:#fff}
.plink.solid{background:#fff;color:#111;border-color:#fff}
.plink.solid:hover{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}

.tabs{
  position:absolute;left:50%;bottom:38px;transform:translateX(-50%);
  display:flex;background:#fff;padding:5px;gap:4px;z-index:3;
  box-shadow:0 14px 40px rgba(0,0,0,.28);
}
.tabs button{
  border:0;background:transparent;cursor:pointer;color:#111;
  padding:12px 22px;font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;transition:.25s;white-space:nowrap;
}
.tabs button[aria-selected="true"]{background:var(--accent);color:#fff}

/* ---------- 프로젝트 상세 ---------- */
.proj{border-top:1px solid var(--line)}
.proj-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(34px,5vw,70px)}
@media (min-width:920px){.proj-grid{grid-template-columns:.82fr 1.18fr}}
.proj aside .mono{color:var(--accent);display:block;margin-bottom:14px}
.proj h3{
  margin:0 0 18px;font-family:var(--serif);font-weight:400;
  font-size:clamp(28px,4vw,48px);line-height:1.1;letter-spacing:-.02em;
}
.proj .sum{color:var(--ink-soft);font-size:16px;margin:0 0 26px}
.spec{border-top:1px solid var(--line);margin:26px 0 0}
.spec div{display:flex;gap:18px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.spec dt{flex:0 0 92px;font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding-top:3px;margin:0}
.spec dd{margin:0;color:var(--ink-soft)}

.block{margin-bottom:44px}
.block h4{margin:0 0 14px;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.block p{margin:0 0 14px;color:var(--ink-soft)}
.block ul{margin:0;padding-left:0;list-style:none}
.block ul li{position:relative;padding-left:20px;margin-bottom:11px;color:var(--ink-soft)}
.block ul li::before{content:'';position:absolute;left:0;top:12px;width:8px;height:1px;background:var(--accent)}
.block ul li b{color:var(--ink);font-weight:600}

.steps{counter-reset:s;display:grid;gap:1px;background:var(--line);border:1px solid var(--line);margin:0;padding:0}
.steps li{counter-increment:s;background:var(--paper);padding:16px 18px;display:flex;gap:16px;align-items:flex-start;list-style:none}
.steps li::before{
  content:counter(s,decimal-leading-zero);font-family:var(--mono);font-size:10px;
  letter-spacing:.1em;color:var(--accent);padding-top:4px;flex:0 0 auto;
}
.steps li b{display:block;color:var(--ink)}
.steps li span{color:var(--muted);font-size:14px}

.figure{margin:0 0 30px;border:1px solid var(--line);background:var(--paper-2)}
.figure img{width:100%}
.figure .ph{
  aspect-ratio:16/9;display:grid;place-items:center;text-align:center;padding:24px;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted);line-height:2.1;
}
.figure figcaption{
  padding:12px 16px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
}
.figs{display:grid;gap:22px}
@media (min-width:760px){.figs{grid-template-columns:1fr 1fr}}

.note{border-left:2px solid var(--accent);padding:4px 0 4px 20px;margin:0;color:var(--muted);font-size:14px}

/* 결과 지표 타일 */
.stats{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));
  gap:1px;background:var(--line);border:1px solid var(--line);margin:0 0 30px;
}
.stats div{background:var(--paper);padding:15px 17px}
.stats dt{font-family:var(--mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 7px}
.stats dd{margin:0;font-family:var(--serif);font-weight:400;font-size:clamp(24px,3vw,32px);line-height:1}
.stats dd span{font-family:var(--sans);font-size:13px;color:var(--muted);margin-left:3px}
.stats div.hi{background:var(--ink)}
.stats div.hi dt{color:rgba(255,255,255,.5)}
.stats div.hi dd{color:#fff}
.stats div.hi dd span{color:rgba(255,255,255,.6)}

/* 가로 막대 */
.bars{list-style:none;margin:0 0 16px;padding:0}
.block .bars li{
  display:grid;grid-template-columns:104px 1fr 112px;gap:14px;align-items:center;
  padding:6px 0;margin:0;font-size:13px;
}
.block .bars li::before{display:none}
.bars .nm{color:var(--ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bars .tr{display:block;height:9px;background:var(--paper-2);position:relative}
.bars .tr b{position:absolute;inset:0 auto 0 0;background:var(--muted)}
.bars .vl{font-family:var(--mono);font-size:11px;color:var(--ink-soft);text-align:right;white-space:nowrap}
.bars li.key .nm{color:var(--ink);font-weight:600}
.bars li.key .tr b{background:var(--accent)}
.bars li.key .vl{color:var(--accent)}
@media (max-width:520px){.block .bars li{grid-template-columns:76px 1fr 92px;gap:9px;font-size:12px}}
code{font-family:var(--mono);font-size:.86em;background:var(--paper-2);padding:1px 6px;border-radius:2px}
a.chip{text-decoration:none;transition:.25s}
a.chip:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- 소개 / 이력 ---------- */
.about-grid{display:grid;gap:clamp(34px,5vw,64px);grid-template-columns:minmax(0,1fr)}
@media (min-width:900px){.about-grid{grid-template-columns:.78fr 1.22fr}}
.pf{border:1px solid var(--line);background:var(--paper-2)}
.pf img{width:100%;aspect-ratio:1;object-fit:cover}
.pf .pf-b{padding:20px}
.pf .pf-b b{display:block;font-family:var(--serif);font-size:26px;font-weight:400}
.pf .pf-b span{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}

/* 이력서 내려받기 */
.dl{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-top:14px;padding:16px 18px;text-decoration:none;
  border:1px solid var(--line);background:var(--paper);color:var(--ink);
  transition:background .25s,border-color .25s,color .25s;
}
.dl b{display:block;font-weight:600;font-size:15px}
.dl small{font-family:var(--mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);transition:color .25s}
.dl svg{flex:0 0 auto;transition:transform .25s}
.dl:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.dl:hover small{color:rgba(255,255,255,.55)}
.dl:hover svg{transform:translateY(2px)}

.cols{display:grid;gap:34px}
@media (min-width:680px){.cols{grid-template-columns:1fr 1fr}}
.tl{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.block .tl li{
  padding:15px 0;margin:0;border-bottom:1px solid var(--line);
  display:flex;gap:18px;align-items:baseline;
}
.block .tl li::before{display:none}
.tl .yr{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--muted);flex:0 0 112px;line-height:1.9}
.tl .it b{display:block;font-weight:600}
.tl .it span{font-size:14px;color:var(--muted)}
.tl li.now .it b{color:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  border:1px solid var(--line);padding:8px 14px;
  font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);
}

/* ---------- 연락처 ---------- */
#contact{background:var(--ink);color:#fff}
#contact .sec-head h2{color:#fff}
#contact .sec-head p{color:rgba(255,255,255,.6)}
.big-mail{
  display:inline-block;font-family:var(--serif);font-weight:400;text-decoration:none;
  font-size:clamp(26px,5.4vw,72px);line-height:1.1;letter-spacing:-.02em;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.28);padding-bottom:6px;transition:.3s;
}
.big-mail:hover{border-color:#fff;color:var(--accent)}
.c-meta{display:flex;gap:44px;flex-wrap:wrap;margin:56px 0 0}
.c-meta dt{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.45);margin:0 0 7px}
.c-meta dd{margin:0;color:rgba(255,255,255,.92)}

footer.foot{background:var(--ink);color:rgba(255,255,255,.4);padding:30px 0 42px;border-top:1px solid rgba(255,255,255,.12)}
footer.foot .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer.foot .mono{font-size:10px}
footer.foot .foot-link{color:rgba(255,255,255,.72);text-decoration:none;transition:color .25s}
footer.foot .foot-link:hover{color:var(--accent)}
#contact .plink svg{flex:0 0 auto}

/* ---------- 반응형 ---------- */
@media (max-width:860px){
  .rail{display:none}
  .shot{position:static;width:100%;max-width:400px;margin:22px auto 0}
  .shot .tag{position:static;display:inline-block;margin-bottom:6px}
  .stage{height:460vh}
  .head-nav{gap:16px}
  .showcase{height:auto;min-height:0}
  .panel{position:relative;opacity:1;visibility:visible;pointer-events:auto;padding-bottom:40px}
  .panel:not(.on){display:none}
  .tabs{position:sticky;bottom:18px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}