/* 최재원 포트폴리오. 흰 바탕 한 장, 글자와 여백만으로 정리한다.
   큰 글은 Pretendard, 연도·분야·역할 같은 크레딧 정보는 DM Mono. */
:root {
  --bg: #fcfcfb;
  --fg: #121212;
  --muted: #8a8a86;
  --line: #e6e6e2;
  --plate: #f0f0ed;
  --sans: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --mono: "DM Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f0f0f; --fg: #ececea; --muted: #85857f; --line: #242424; --plate: #1a1a1a; color-scheme: dark; }
}

* { box-sizing: border-box; }
html { scroll-padding-top: 64px; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 400 16px/1.65 var(--sans); letter-spacing: -.01em;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; text-align: left; }
:focus-visible { outline: 1px solid var(--fg); outline-offset: 4px; }
img { max-width: 100%; display: block; }

.wrap {
  max-width: 1200px; margin-inline: auto;
  padding-left: max(24px, env(safe-area-inset-left, 0px));
  padding-right: max(24px, env(safe-area-inset-right, 0px));
}
.mono { font: 400 11px/1.6 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 0; }
.mono-in { font: 400 12px var(--mono); color: var(--muted); margin-left: 6px; }
.ul { border-bottom: 1px solid var(--line); transition: border-color .3s; }
.ul:hover { border-color: var(--fg); }

/* 상단 바 */
.bar {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: calc(14px + env(safe-area-inset-top, 0px)) max(24px, env(safe-area-inset-right, 0px)) 14px max(24px, env(safe-area-inset-left, 0px));
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  font-size: 14px;
}
.mark { font-weight: 500; letter-spacing: -.02em; }
.bar nav { display: flex; gap: 22px; }
.bar nav a { position: relative; color: var(--muted); transition: color .3s var(--ease); }
.bar nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease);
}
.bar nav a:hover, .bar nav a[aria-current] { color: var(--fg); }
.bar nav a[aria-current]::after { transform: scaleX(1); transform-origin: left; }

/* 첫 화면: 왼쪽 이름과 소개, 오른쪽 작업 장면이 번갈아 나오는 릴 */
.hero {
  padding-block: clamp(56px, 10vw, 128px) 0;
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 48px 64px; align-items: end;
}
.hero-text { min-width: 0; }
.hero .mono { margin-bottom: 20px; }
h1 {
  margin: 0;
  font-size: clamp(56px, 8.2vw, 132px); line-height: .92; font-weight: 500; letter-spacing: -.05em;
  animation: rise 1.1s var(--ease) both;
}
.aka { margin: 18px 0 0; font-size: clamp(18px, 2vw, 24px); letter-spacing: -.02em; animation: rise 1.1s .12s var(--ease) both; }
.aka span { color: var(--muted); margin: 0 4px; }
.lede { margin: 28px 0 0; max-width: 32em; color: var(--muted); word-break: keep-all; font-size: 17px; animation: rise 1.1s .24s var(--ease) both; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } }

.reel { position: relative; min-width: 0; display: grid; animation: rise 1.2s .3s var(--ease) both; }
.slide {
  grid-area: 1 / 1; display: grid; gap: 14px; width: 100%;
  opacity: 0; visibility: hidden; transition: opacity 1.4s ease, visibility 0s 1.4s;
}
.slide.on { opacity: 1; visibility: visible; transition: opacity 1.4s ease, visibility 0s; }
.frame-img { display: block; overflow: hidden; aspect-ratio: 4 / 5; background: var(--plate); }
.frame-img img { width: 100%; height: 100%; object-fit: cover; }
.sc { display: grid; gap: 2px; font-size: 15px; padding-right: 72px; }
button.slide .frame-img { position: relative; }
button.slide .frame-img::after {
  content: "Play"; position: absolute; left: 14px; bottom: 12px;
  font: 500 11px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: #fff; text-shadow: 0 0 8px rgba(0,0,0,.5);
}
.reel-bar { position: absolute; right: 0; bottom: 0; padding-bottom: 4px; }
.reel-n { font-variant-numeric: tabular-nums; }

/* 신스 오실로스코프처럼 흐르는 파형 */
.scope { display: block; width: 100%; color: var(--line); height: clamp(60px, 8vw, 110px); margin-block: 24px clamp(24px, 4vw, 48px); }

/* 카드 */
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 40px 20px; align-items: start; }
.card { display: grid; gap: 14px; width: 100%; }
.plate { position: relative; overflow: hidden; background: var(--plate); aspect-ratio: 4 / 5; }
.plate.sq { aspect-ratio: 1; }
.selected .plate { aspect-ratio: 4 / 5; }
.selected .plate.sq img { object-fit: contain; padding: 14%; }
.plate.v { aspect-ratio: 16 / 9; }
.selected .plate.v { aspect-ratio: 4 / 5; }
.plate img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1s var(--ease);
}
.card:hover .plate img, .card:focus-visible .plate img { transform: scale(1.02); }
button.card .plate::after {
  content: "Play"; position: absolute; left: 12px; bottom: 10px;
  font: 500 11px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: #fff;
  text-shadow: 0 0 8px rgba(0, 0, 0, .5);
}
.cap { display: grid; gap: 2px; font-size: 15px; }
.meta { font: 400 12px/1.5 var(--mono); color: var(--muted); }
.t { font-weight: 500; }
.by { color: var(--muted); margin-left: 4px; }

/* 블록 공통 */
.block { padding-top: clamp(80px, 11vw, 140px); }
.head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 16px 32px; padding-bottom: 20px; border-bottom: 1px solid var(--fg); }
.tabs { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.tab { font-size: 14px; color: var(--muted); transition: color .2s; }
.tab sup { font: 400 10px var(--mono); margin-left: 1px; }
.tab:hover, .tab[aria-pressed="true"] { color: var(--fg); }

/* 크레딧 목록 */
.index { list-style: none; margin: 0; padding: 0; }
.index li {
  display: grid; grid-template-columns: 56px 32px minmax(0, 2.4fr) minmax(0, 1.4fr) minmax(0, 1.3fr) 44px;
  align-items: center;
  gap: 4px 20px;
  padding-block: 10px; border-bottom: 1px solid var(--line);
  transition: opacity .3s;
}
.index li[hidden] { display: none; }
.yr, .ty, .ro, .md { font: 400 12px/1.6 var(--mono); color: var(--muted); }
.ti { min-width: 0; }
.note { display: block; margin-top: 2px; }
.ti .t { font-weight: 500; }
.note { font-size: 13px; color: var(--muted); word-break: keep-all; }
.md { text-align: right; }
.play { color: var(--fg); }
.index li[data-video] { cursor: pointer; }
.th { width: 32px; aspect-ratio: 4 / 5; background: var(--plate); overflow: hidden; }
.th:empty { background: none; }
.th img { width: 100%; height: 100%; object-fit: cover; }
.index li[data-video]:hover .t { text-decoration: underline; text-underline-offset: 3px; }
.index.plain li { grid-template-columns: 96px minmax(0, 1fr) auto; align-items: baseline; }

.more { margin-top: 20px; font-size: 14px; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.more:hover { border-color: var(--fg); }
.index.folded li.extra { display: none; }

.vids { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* About */
.about .cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; padding-top: 28px; }
.sub { display: grid; gap: 8px; align-content: start; min-width: 0; }
.about .index li { grid-template-columns: 84px minmax(0, 1fr); }
.about .index .ro { grid-column: 2; }

/* Contact */
.contact { padding-bottom: 40px; }
.mail {
  display: inline-block; margin-top: 40px;
  font-size: clamp(30px, 6.4vw, 84px); font-weight: 500; letter-spacing: -.045em; line-height: 1.05;
  border-bottom: 2px solid transparent; transition: border-color .3s; word-break: break-all;
}
.mail:hover { border-color: var(--fg); }
.links { display: flex; flex-wrap: wrap; gap: 12px 32px; margin-top: 36px; font-size: 15px; }
.links a, .links button { border-bottom: 1px solid var(--line); padding-bottom: 2px; transition: border-color .2s; }
.links a:hover, .links button:hover { border-color: var(--fg); }

.foot { display: flex; justify-content: space-between; padding-block: 40px calc(32px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); margin-top: 80px; }

.toast {
  position: fixed; left: 50%; bottom: calc(28px + env(safe-area-inset-bottom, 0px)); transform: translate(-50%, 12px);
  background: var(--fg); color: var(--bg); font-size: 13px; padding: 9px 16px;
  opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s var(--ease);
}
.toast.on { opacity: 1; transform: translate(-50%, 0); }

/* 등장 효과 */
.rise { opacity: 0; transform: translateY(18px); }
.rise.in { opacity: 1; transform: none; transition: opacity .9s var(--ease), transform .9s var(--ease); }
.pop { animation: pop .5s var(--ease) both; }
@keyframes pop { from { opacity: 0; transform: translateY(8px); } }

/* 영상 */
.player { width: min(1100px, 92vw); max-width: none; padding: 0; border: 0; background: #000; overflow: visible; }
.player::backdrop { background: rgba(10, 10, 10, .86); backdrop-filter: blur(4px); }
.player[open] { animation: show .35s var(--ease) both; }
.player[open]::backdrop { animation: fade .35s ease both; }
.player.leaving { animation: hide .22s ease both; }
.player.leaving::backdrop { animation: fade .22s ease reverse both; }
@keyframes show { from { opacity: 0; transform: scale(.97); } }
@keyframes hide { to { opacity: 0; transform: scale(.98); } }
@keyframes fade { from { opacity: 0; } }
.frame { aspect-ratio: 16 / 9; }
.frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.close { position: absolute; right: 0; top: -36px; font: 400 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: #fff; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .frame-img { aspect-ratio: 1; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 14px; }
  .vids { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about .cols { grid-template-columns: 1fr; }
  .index li { grid-template-columns: 38px 32px minmax(0, 1fr) auto; gap: 2px 12px; padding-block: 10px; }
  .th { width: 32px; grid-row: span 2; }
  .index li .ty { display: none; }
  .index li .ro { grid-column: 3; grid-row: 2; }
  .index li .md { grid-column: 4; grid-row: 1; }
  .bar nav { gap: 16px; }
}
@media (max-width: 560px) {
  .wrap { padding-left: max(18px, env(safe-area-inset-left, 0px)); padding-right: max(18px, env(safe-area-inset-right, 0px)); }
  .mono { font-size: 12px; }
  .br { display: none; }

  /* 손가락으로 누르기 쉬운 크기(높이 44px) */
  .bar { padding-block: calc(4px + env(safe-area-inset-top, 0px)) 4px; }
  .bar nav { gap: 2px; margin-right: -10px; }
  .bar nav a, .mark { display: inline-flex; align-items: center; min-height: 44px; }
  .bar nav a { padding-inline: 8px; }
  .bar nav a::after { left: 8px; right: 8px; bottom: 8px; }

  /* 분야 탭: 한 줄로 두고 옆으로 밀어서 본다 */
  .head { display: grid; gap: 12px; min-width: 0; }
  .head > * { min-width: 0; }
  .tabs {
    flex-wrap: nowrap; overflow-x: auto; gap: 8px; scrollbar-width: none;
    margin-inline: calc(-1 * max(18px, env(safe-area-inset-left, 0px))); padding-inline: max(18px, env(safe-area-inset-left, 0px));
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { flex: none; min-height: 40px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; }
  .tab[aria-pressed="true"] { border-color: var(--fg); }

  .index li[data-video] { padding-block: 12px; }
  .more { min-height: 44px; }

  /* 영상: 옆으로 넘겨 보는 줄 */
  .vids {
    grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 78%;
    overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; gap: 14px;
    margin-inline: calc(-1 * max(18px, env(safe-area-inset-left, 0px))); padding-inline: max(18px, env(safe-area-inset-left, 0px));
    scroll-padding-inline: max(18px, env(safe-area-inset-left, 0px));
  }
  .vids::-webkit-scrollbar { display: none; }
  .vids .card { scroll-snap-align: start; }

  /* 연락처: 한 줄에 하나, 넓게 */
  .links { display: grid; gap: 0; margin-top: 28px; }
  .links a, .links button { display: flex; justify-content: space-between; align-items: center; min-height: 52px; padding: 0; width: 100%; }
  .foot a { padding: 12px 0 12px 16px; margin: -12px 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }