/* ==========================================================================
   포트폴리오 (miracle/portfolio.php · assets/js/sx/portfolio.js) — "끝없는 작품 아카이브"
   ========================================================================== */
.sub--portfolio { --accent: var(--y); --mono: "SFMono-Regular", Consolas, monospace; }

/* ---------- Hero: 작품으로 덮인 복도 ---------- */
.pf-hero { position: relative; height: 100vh; height: 100svh; min-height: 640px; overflow: hidden; background: var(--k); color: var(--on-dark); isolation: isolate; }
.pf-hall__stage { --fit: 1; position: absolute; left: 50%; top: 50%; width: 1600px; height: 900px; transform: translate(-50%, -50%) scale(var(--fit)); perspective: 700px; z-index: -1; }
.pf-hall { position: absolute; left: 50%; top: 50%; width: 0; height: 0; transform-style: preserve-3d; will-change: transform; }
.pf-cell { position: absolute; left: 0; top: 0; padding: 26px 18px; transform-origin: 0 0; backface-visibility: hidden; will-change: transform, opacity; }
.pf-cell.is-left, .pf-cell.is-right { width: 400px; height: 900px; padding: 70px 22px; }
.pf-cell.is-top, .pf-cell.is-bottom { width: 1600px; height: 400px; padding: 22px 90px; }
.pf-cell img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.78) saturate(.9); box-shadow: 0 0 0 1px var(--w-line); }
.pf-hall__end { position: absolute; left: -800px; top: -450px; width: 1600px; height: 900px; transform: translateZ(-3900px); background: radial-gradient(ellipse at center, var(--y-soft), var(--y) 30%, var(--k) 72%); opacity: .55; }
.pf-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(ellipse 46% 42% at 50% 50%, transparent 30%, var(--b-3) 80%); }
.pf-hero__top { position: absolute; left: 0; right: 0; top: calc(var(--hd-h) + 24px); display: flex; justify-content: space-between; align-items: center; }
.pf-hero__depth { font-family: var(--mono); font-size: var(--fs-xs); color: var(--on-dark-3); }
.pf-hero__depth b { color: var(--y); font-weight: 500; font-variant-numeric: tabular-nums; }
.pf-hero__mid { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; pointer-events: none; }
.pf-hero__title { display: grid; justify-items: center; gap: 16px; }
.pf-hero__title span { font-family: var(--f-display); font-size: var(--t-mega); font-weight: 800; line-height: .8; letter-spacing: -.06em; text-shadow: 0 10px 60px var(--b-4); }
.pf-hero__title small { padding: 6px 14px; background: var(--y); color: var(--k); font-size: var(--fs-sm); font-weight: 700; letter-spacing: -.02em; }
.pf-hero__foot { position: absolute; left: 0; right: 0; bottom: clamp(32px, 6vh, 64px); display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; }
.pf-hero__count { display: flex; align-items: flex-end; gap: 14px; }
.pf-hero__count b { font-family: var(--f-display); font-size: var(--fs-8xl); line-height: .82; letter-spacing: -.05em; color: var(--y); font-variant-numeric: tabular-nums; }
.pf-hero__count span { font-size: var(--fs-xs); font-weight: 700; letter-spacing: .2em; text-transform: uppercase; line-height: 1.5; color: var(--on-dark-2); }
.pf-hero__lead { max-width: 420px; font-size: var(--fs-sm); color: var(--on-dark-2); text-align: right; }

/* ---------- 목록 ---------- */
.pf-more { display: flex; justify-content: center; margin-top: round(clamp(56px, 6vw, 96px), 4px); }
.pf-more__btn { position: relative; display: grid; justify-items: center; gap: 6px; width: 180px; height: 180px; align-content: center; border: 1px solid var(--line); border-radius: 50%; overflow: hidden; isolation: isolate; transition: border-color .4s, color .4s; }
.pf-more__btn::before { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--y); border-radius: 50%; transform: scale(0); transition: transform .6s var(--ease); }
.pf-more__btn span { font-size: var(--fs-lg); font-weight: 800; letter-spacing: -.02em; }
.pf-more__btn small { font-family: var(--mono); font-size: var(--fs-xs); color: var(--fg-2); }
.pf-more__btn small b { color: var(--accent); font-weight: 500; }
.pf-more__btn small em { font-style: normal; }
.pf-more__btn i { width: 1px; height: 22px; background: currentColor; position: relative; animation: pf-down 1.4s var(--ease) infinite; }
.pf-more__btn i::after { content: ""; position: absolute; left: -4px; bottom: 0; width: 7px; height: 7px; border: solid currentColor; border-width: 0 1px 1px 0; transform: rotate(45deg); }
@keyframes pf-down { 0%, 100% { transform: translateY(-3px); } 50% { transform: translateY(3px); } }
.pf-more__btn:hover { border-color: var(--y); color: var(--k); }
.pf-more__btn:hover::before { transform: scale(1); }
.pf-more__btn:hover small, .pf-more__btn:hover small b { color: var(--k); }
.pf-more__btn.is-loading i { animation-duration: .5s; }

.pf-bar { position: sticky; top: 0; z-index: var(--z-sticky); display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: round(clamp(36px, 4vw, 56px), 4px); padding: 14px 0; background: var(--bg); border-bottom: 1px solid var(--line); transition: top .5s var(--ease); }
.hd:not(.is-tucked) ~ main .pf-bar { top: var(--hd-h); }
.pf-tabs { position: relative; display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.pf-tabs button { position: relative; z-index: 1; display: flex; align-items: center; line-height: 1; gap: 6px; height: 44px; padding: 0 18px; font-size: var(--fs-sm); font-weight: 700; color: var(--fg-2); white-space: nowrap; transition: color .35s; }
.pf-tabs button small { font-family: var(--mono); font-size: var(--fs-2xs); opacity: .7; transform: translateY(1px); }   /* 한글 기준선에 숫자를 맞춤 */
.pf-tabs button::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: 6px; height: 2px; background: var(--y); transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease); }
.pf-tabs button:hover { color: var(--fg); }
.pf-tabs button:not(.is-on):hover::after { transform: scaleX(1); transform-origin: left; }
.pf-tabs button.is-on { color: var(--k); }
.pf-tabs__ink { position: absolute; left: 0; top: 0; height: 44px; width: var(--w, 0); transform: translateX(var(--x, 0)); background: var(--y); transition: transform .55s var(--ease), width .55s var(--ease); }
.pf-bar__n { display: flex; align-items: center; height: 44px; line-height: 1; font-size: var(--fs-xs); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-2); white-space: nowrap; }
.pf-bar__n b { margin-right: 8px; font-family: var(--f-display); font-size: var(--fs-xl); letter-spacing: -.03em; color: var(--accent); }
.pf-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: round(clamp(28px, 3vw, 48px), 4px) round(clamp(16px, 1.8vw, 28px), 4px); perspective: 1600px; }
.pf-item { transform-style: preserve-3d; transition: transform .45s cubic-bezier(.6, 0, .4, 1) var(--fd, 0s), opacity .3s var(--fd, 0s); }
.pf-item.is-out { transform: rotateY(90deg); opacity: 0; pointer-events: none; }
.pf-item.is-pre { transform: rotateY(-90deg); opacity: 0; transition: none; }
/* 기울기는 안쪽(사진·글)에만 — 카드 자체를 기울이면 가장자리에서 마우스가 카드 밖으로 판정돼 VISIT 커서가 깜빡임 */
.pf-card { display: block; width: 100%; text-align: left; }
.pf-card > span { transform: perspective(1000px) rotateX(var(--ty, 0deg)) rotateY(var(--tx, 0deg)); transition: transform .6s var(--ease); }
/* 공통 등장(sub.css .sx-post)의 transition에 기울기를 더함 */
.sx-motion .sx-post .pf-card > .sx-post__m { transition: clip-path 1s cubic-bezier(.7, 0, .2, 1) var(--sd, 0s), transform .6s var(--ease); }
.sx-motion .sx-post .pf-card > .sx-post__t { transition: opacity .6s calc(var(--sd, 0s) + .35s), translate .8s var(--ease) calc(var(--sd, 0s) + .35s), transform .6s var(--ease); }
.pf-card__media { position: relative; display: block; aspect-ratio: 955 / 624; overflow: hidden; background: var(--k2); }
.pf-card__media.is-wide { aspect-ratio: 16 / 9; }
.pf-card__media img { position: absolute; inset: -4%; width: 108%; height: 108%; max-width: none; object-fit: cover; transform: translate3d(calc(var(--tx, 0deg) / 1deg * -2px), calc(var(--ty, 0deg) / 1deg * 2px), 0); transition: transform .8s var(--ease), filter .6s; }
.pf-card__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 40%, rgba(255, 255, 255, .16) 50%, transparent 60%) var(--mx, 0%) 0 / 300% 100% no-repeat; opacity: 0; transition: opacity .4s; pointer-events: none; }
.pf-card:hover .pf-card__media::after { opacity: 1; }
.pf-card:hover .pf-card__media img { filter: brightness(1.08); }
.pf-badge { position: absolute; right: 12px; top: 12px; display: grid; place-content: center; gap: 3px; width: 88px; height: 88px; padding: 0 10px; border-radius: 50%; background: var(--y); color: var(--k); font-size: var(--fs-2xs); font-weight: 700; text-align: center; line-height: 1.2; white-space: nowrap; box-shadow: var(--sh-md); }
.pf-badge b { display: block; font-size: 9px; font-weight: 800; letter-spacing: .04em; }
.pf-play { position: absolute; left: 50%; top: 50%; width: 64px; height: 64px; margin: -32px 0 0 -32px; border-radius: 50%; background: var(--y); box-shadow: var(--sh-md); transition: transform .5s var(--ease); }
.pf-play::after { content: ""; position: absolute; left: 26px; top: 21px; border: 11px solid transparent; border-left: 16px solid var(--k); border-right: 0; }
.pf-card:hover .pf-play { transform: scale(1.12); }
.pf-card__meta { position: relative; display: grid; gap: 4px; padding: 16px 48px 0 0; }
.pf-card__meta small { font-size: var(--fs-2xs); font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--fg-2); }
.pf-card__meta b { font-size: var(--fs-lg); letter-spacing: -.03em; line-height: 1.4; }
.pf-card__meta em { font-style: normal; font-size: var(--fs-xs); font-weight: 700; color: var(--accent); }
.pf-card__meta i { position: absolute; right: 0; top: 16px; display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; font-style: normal; font-size: var(--fs-sm); color: var(--fg-2); transition: background .3s, color .3s, border-color .3s, transform .5s var(--ease); }
.pf-card:hover .pf-card__meta i { background: var(--y); border-color: var(--y); color: var(--k); transform: rotate(-12deg); }

@media (max-width: 960px) {
  .pf-grid { grid-template-columns: repeat(2, 1fr); }
  .pf-bar { flex-direction: column; align-items: flex-start; gap: 8px; }
  .pf-tabs { width: 100%; }
  .pf-hero__foot { flex-direction: column; align-items: flex-start; }
  .pf-hero__lead { text-align: left; }
}
@media (max-width: 640px) {
  .pf-grid { grid-template-columns: 1fr; }
}