/* ==========================================================================
   02 디자인 (miracle/design.php · assets/js/sx/design.js) — "디자인 툴의 대지 위" · 밝은 종이 톤
   ========================================================================== */
.sub--design { --mono: "SFMono-Regular", Consolas, monospace; --ink-line: rgba(0, 0, 0, .14); }

/* ---------- Hero: 작도선 + 깊이가 다른 조각 → 정면에서 한 장의 포스터 ---------- */
.dg-hero { position: relative; height: 100vh; height: 100svh; min-height: 700px; overflow: hidden; background: var(--paper); color: var(--ink); isolation: isolate; }
.dg-guide { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; fill: none; stroke: var(--ink-line); stroke-width: 1; }
.dg-guide > * { stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 2.4s var(--ease); }
.dg-hero.is-in .dg-guide > * { stroke-dashoffset: 0; }
.dg-guide > :nth-child(2) { transition-delay: .1s; } .dg-guide > :nth-child(3) { transition-delay: .2s; } .dg-guide > :nth-child(4) { transition-delay: .3s; }
.dg-guide > :nth-child(5) { transition-delay: .45s; } .dg-guide > :nth-child(6) { transition-delay: .6s; } .dg-guide > :nth-child(7) { transition-delay: .7s; }
.dg-guide > :nth-child(8) { transition-delay: .8s; } .dg-guide > :nth-child(9) { transition-delay: .9s; } .dg-guide > :nth-child(10) { transition-delay: 1s; }
.dg-hero__box { position: absolute; inset: 0; display: grid; place-items: center; padding: calc(var(--hd-h) + 40px) var(--gutter) 180px; }
.dg-comp { position: relative; width: min(980px, 76vw, (100vh - 320px) * 1.6); aspect-ratio: 16 / 10; transform-style: preserve-3d; }
.dg-pc { position: absolute; display: block; will-change: transform; }
.dg-pc.is-photo { left: 36%; top: 4%; width: 34%; height: 80%; overflow: hidden; border-radius: 999px 999px 0 0; background: var(--paper2); }
.dg-pc.is-photo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.2) contrast(1.05); }
.dg-pc.is-circle { left: 10%; top: 10%; width: 30%; aspect-ratio: 1; border-radius: 50%; background: var(--y); }   /* mix-blend-mode를 쓰면 3D가 평면으로 눌림 */
.dg-pc.is-square { right: 4%; bottom: 14%; width: 17%; aspect-ratio: 1; background: var(--k); }
.dg-pc.is-bar { left: 2%; top: 64%; width: 60%; height: 1.4%; background: var(--k); }
.dg-pc.is-ring { right: 12%; top: 2%; width: 22%; aspect-ratio: 1; border: 1.5px solid var(--k); border-radius: 50%; }
.dg-word { position: absolute; left: 1%; bottom: -4%; display: flex; transform-style: preserve-3d; font-family: var(--f-display); font-size: max(var(--fs-7xl), min(var(--fs-9xl), (100vw - 960px) * 999), min(var(--fs-11xl), (100vw - 1280px) * 999), min(var(--fs-12xl), (100vw - 1600px) * 999)); font-weight: 800; line-height: .8; letter-spacing: -.06em; }
.dg-pc.is-ch { position: relative; }
.dg-sel { position: absolute; inset: -16px; border: 1px solid var(--k); pointer-events: none; opacity: 0; transition: opacity .5s; }
.dg-sel b { position: absolute; width: 9px; height: 9px; margin: -5px; background: var(--white); border: 1px solid var(--k); }
.dg-sel b:nth-child(1) { left: 0; top: 0; } .dg-sel b:nth-child(2) { left: 50%; top: 0; } .dg-sel b:nth-child(3) { left: 100%; top: 0; } .dg-sel b:nth-child(4) { left: 100%; top: 50%; }
.dg-sel b:nth-child(5) { left: 100%; top: 100%; } .dg-sel b:nth-child(6) { left: 50%; top: 100%; } .dg-sel b:nth-child(7) { left: 0; top: 100%; } .dg-sel b:nth-child(8) { left: 0; top: 50%; }
.dg-hero.is-aligned .dg-sel { opacity: 1; }
.dg-hero__top { position: absolute; left: 0; right: 0; top: calc(var(--hd-h) + 24px); z-index: 2; display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
.dg-panel { display: grid; grid-template-columns: repeat(4, auto); gap: 1px; margin: 0; background: var(--ink-line); border: 1px solid var(--ink-line); font-family: var(--mono); font-size: var(--fs-2xs); }
.dg-panel div { display: flex; gap: 8px; padding: 8px 12px; background: var(--paper); }
.dg-panel dt { color: var(--ink2); }
.dg-panel dd { min-width: 4ch; margin: 0; font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }
.dg-hero__foot { position: absolute; left: 0; right: 0; bottom: clamp(32px, 6vh, 64px); z-index: 2; display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; }
.dg-hero__state { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: var(--fs-xs); color: var(--ink2); }
.dg-hero__state i { width: 10px; height: 10px; border: 1px solid var(--k); transition: background .4s; }
.dg-hero.is-aligned .dg-hero__state i { background: var(--y); }

/* ---------- 소개: 켜지는 단어에 선택 상자 ---------- */
.dg-intro { padding: round(clamp(120px, 14vw, 220px), 4px) 0; }
.dg-intro .eyebrow { margin-bottom: 40px; }
.dg-intro__text { max-width: 1200px; font-family: var(--f-display); font-size: max(var(--fs-xl), min(var(--fs-2xl), (100vw - 640px) * 999), min(var(--fs-4xl), (100vw - 960px) * 999), min(var(--fs-5xl), (100vw - 1280px) * 999)); font-weight: 600; line-height: 1.42; letter-spacing: -.04em; }
.dg-intro__text .w { position: relative; display: inline-block; }
.dg-intro__text .w::after { content: ""; position: absolute; inset: 2px -4px; border: 1px solid var(--k); opacity: 0; pointer-events: none; }
.sx-motion .dg-intro__text .w.is-on::after { animation: dg-pick .9s var(--ease); }
@keyframes dg-pick { 0%, 40% { opacity: 1; } 100% { opacity: 0; } }

/* ---------- 분야: 가로 대지 ---------- */
.dg-boards { position: relative; background: var(--paper2); }
.dg-boards__sticky { padding: 120px 0; }
.dg-boards__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; }
.dg-boards__head .sx-head { margin-bottom: 0; }
.dg-layers { display: grid; gap: 2px; min-width: 180px; padding: 12px; background: var(--paper); border: 1px solid var(--ink-line); font-family: var(--mono); font-size: var(--fs-xs); }
.dg-layers li { display: flex; align-items: center; gap: 8px; padding: 4px 8px; color: var(--ink2); transition: background .3s, color .3s; }
.dg-layers i { width: 10px; height: 10px; border: 1px solid currentColor; }
.dg-layers li.is-on { background: var(--y); color: var(--k); }
.dg-canvas { margin-top: 48px; padding: 40px 0; background: radial-gradient(var(--ink-line) 1px, transparent 1.4px) 0 0 / 22px 22px; overflow-x: auto; scrollbar-width: none; }
.dg-canvas__track { display: flex; gap: 64px; width: max-content; padding: 0 var(--gutter); transform-origin: 0 50%; }
.dg-board { flex: none; width: min(72vw, 520px); margin: 0; }
.dg-board__label { display: flex; justify-content: space-between; margin-bottom: 8px; font-family: var(--mono); font-size: var(--fs-2xs); color: var(--ink2); }
.dg-board__label b { color: var(--ink); }
.dg-board__art { position: relative; display: block; aspect-ratio: 4 / 3; background: var(--white); box-shadow: var(--sh-paper); outline: 1px solid transparent; transition: outline-color .4s; }
.dg-board__art img { position: absolute; inset: 8%; width: 84%; height: 84%; object-fit: contain; }
.dg-board.is-on .dg-board__art { outline: 2px solid var(--k); }
.dg-board figcaption { display: grid; gap: 4px; margin-top: 20px; }
.dg-board figcaption small { font-family: var(--mono); font-size: var(--fs-xs); color: var(--ink2); }
.dg-board figcaption strong { font-size: var(--fs-xl); letter-spacing: -.03em; }
.dg-board figcaption span { font-size: var(--fs-sm); color: var(--ink2); }
.dg-canvas__zoom { display: flex; justify-content: space-between; margin-top: 16px; font-family: var(--mono); font-size: var(--fs-xs); color: var(--ink2); }
.dg-canvas__zoom b { color: var(--ink); font-variant-numeric: tabular-nums; }
.sx-motion .dg-boards { height: calc(var(--n) * 70vh + 100vh); }
.sx-motion .dg-boards__sticky { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; padding: calc(var(--hd-h) + 24px) 0 32px; overflow: hidden; }
.sx-motion .dg-canvas { flex: 1; display: flex; align-items: center; overflow: hidden; margin-top: 24px; padding: 0; }
.sx-motion .dg-canvas__track { padding: 0; will-change: transform; }
.sx-motion .dg-board { width: min(40vw, 46vh * 1.33, 620px); }

/* ---------- 시스템: 조각 → 정면에서 브랜드 보드 ---------- */
.dg-sys { position: relative; background: var(--paper); }
.dg-sys__sticky { padding: 120px 0; }
.dg-sys__head { position: relative; z-index: 2; }
.dg-sys__head .sx-head { margin-bottom: 40px; }
.dg-sys__box { display: grid; place-items: center; padding: 0 var(--gutter); }
.dg-bento { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(3, 1fr); grid-template-areas: "logo logo photo photo" "y k photo photo" "type type grid p"; gap: 10px; width: min(1000px, 100%); aspect-ratio: 2 / 1; transform-style: preserve-3d; }
.dg-tile { position: relative; display: flex; flex-direction: column; justify-content: space-between; padding: 16px; overflow: hidden; background: var(--white); outline: 1px solid var(--ink-line); will-change: transform; font-family: var(--mono); font-size: var(--fs-2xs); }
.dg-tile small { color: inherit; opacity: .7; }
.dg-tile b { font-size: var(--fs-sm); }
.dg-tile.is-logo { grid-area: logo; justify-content: center; align-items: center; }
.dg-tile.is-logo img { width: 52%; }
.dg-tile.is-logo small { position: absolute; left: 16px; bottom: 12px; }
.dg-tile.is-photo { grid-area: photo; padding: 0; }
.dg-tile.is-photo img { width: 100%; height: 100%; object-fit: cover; }
.dg-tile.is-y { grid-area: y; background: var(--y); }
.dg-tile.is-k { grid-area: k; background: var(--k); color: var(--on-dark); }
.dg-tile.is-p { grid-area: p; background: var(--paper2); }
.dg-tile.is-type { grid-area: type; flex-direction: row; align-items: flex-end; }
.dg-tile.is-type b { font-family: var(--f-display); font-size: var(--fs-7xl); line-height: .8; letter-spacing: -.05em; }
.dg-tile.is-grid { grid-area: grid; display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; }
.dg-tile.is-grid i { border: 1px solid var(--ink-line); border-radius: 50%; }
.dg-tile.is-grid i:nth-child(5) { background: var(--y); border-color: var(--y); }
.dg-sys__state { display: flex; align-items: center; gap: 16px; margin-top: 32px; font-family: var(--mono); font-size: var(--fs-xs); color: var(--ink2); }
.dg-sys__state i { position: relative; width: 160px; height: 1px; background: var(--ink-line); }
.dg-sys__state b { position: absolute; left: 0; top: 0; height: 100%; width: 0; background: var(--k); }
.sx-motion .dg-sys { height: 300vh; }
.sx-motion .dg-sys__sticky { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; justify-content: center; padding: var(--hd-h) 0 0; overflow: hidden; }
.sx-motion .dg-sys__head .lead { display: none; }
.sx-motion .dg-bento { width: min(1000px, 100%, (100vh - 400px) * 2); }

/* ---------- 차별점: 견본첩 ---------- */
.dg-swatch__in { display: grid; grid-template-columns: 1fr 1.1fr; align-items: center; gap: 40px; }
.dg-swatch__book { position: relative; height: 560px; }
.dg-chip { position: absolute; left: 50%; bottom: 0; width: 300px; height: 500px; margin-left: -150px; display: flex; flex-direction: column; background: var(--white); box-shadow: var(--sh-paper), 0 2px 6px rgba(0, 0, 0, .08); outline: none;
  transform-origin: 36px calc(100% - 36px); transform: rotate(0deg); transition: transform 1.1s var(--ease) calc(var(--i) * .12s), translate .5s var(--ease); z-index: var(--i); }
.dg-swatch__book.is-open .dg-chip { transform: rotate(calc((var(--i) - 1) * 16deg - 4deg)); }
.dg-chip:is(:hover, :focus-visible) { translate: 0 -28px; z-index: 5; }
.dg-chip::after { content: ""; position: absolute; left: 28px; bottom: 28px; width: 16px; height: 16px; border-radius: 50%; background: var(--paper2); box-shadow: inset 0 0 0 4px var(--white), 0 0 0 1px var(--ink-line); }
.dg-chip__color { position: relative; flex: 0 0 56%; overflow: hidden; }
.dg-chip__color img { width: 100%; height: 100%; object-fit: cover; }
.dg-chip.is-y .dg-chip__color { background: var(--y); } .dg-chip.is-y .dg-chip__color img { mix-blend-mode: multiply; filter: grayscale(1); }
.dg-chip.is-k .dg-chip__color { background: var(--k); } .dg-chip.is-k .dg-chip__color img { mix-blend-mode: screen; filter: grayscale(1); opacity: .7; }
.dg-chip.is-p .dg-chip__color { background: var(--paper2); } .dg-chip.is-p .dg-chip__color img { mix-blend-mode: multiply; }
.dg-chip__color b { position: absolute; left: 16px; bottom: 14px; padding: 4px 8px; background: var(--white); font-family: var(--mono); font-size: var(--fs-2xs); color: var(--k); }
.dg-chip__body { display: grid; align-content: start; gap: 6px; padding: 20px 20px 56px 20px; }
.dg-chip__body small { font-family: var(--mono); font-size: var(--fs-2xs); color: var(--ink2); }
.dg-chip__body strong { font-size: var(--fs-lg); letter-spacing: -.03em; }
.dg-chip__body span { font-size: var(--fs-xs); line-height: 1.7; color: var(--ink2); }

/* ---------- 과정: 펜 툴 패스 ---------- */
.dg-pen { position: relative; background: var(--paper2); }
.dg-pen__sticky { padding: 120px 0; }
.dg-pen__art { position: relative; aspect-ratio: 1200 / 520; margin-top: 24px; }
.dg-pen__art svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.dg-pen__ghost { fill: none; stroke: var(--ink-line); stroke-width: 1.5; stroke-dasharray: 4 6; }
.dg-pen__path { fill: none; stroke: var(--k); stroke-width: 2.5; }
.dg-anchor line, .dg-anchor circle { stroke: var(--k); fill: var(--y); stroke-width: 1; opacity: 0; transition: opacity .4s; }
.dg-anchor rect { fill: var(--paper); stroke: var(--k); stroke-width: 1.5; transition: fill .3s; }
.dg-anchor.is-done rect { fill: var(--k); }
.dg-anchor.is-on rect { fill: var(--y); }
.dg-anchor.is-on :is(line, circle) { opacity: 1; }
.dg-pen__nib path { fill: var(--k); } .dg-pen__nib circle { fill: var(--y); }
.dg-step { position: absolute; left: var(--x); top: var(--y); width: min(230px, 19vw); display: grid; gap: 4px; padding: 14px 16px; background: var(--white); box-shadow: var(--sh-paper); transform: translate(-50%, 28px); opacity: .32; transition: opacity .5s, box-shadow .5s, outline-color .5s; outline: 1px solid transparent; }
.dg-step.is-up { transform: translate(-50%, calc(-100% - 28px)); }
.dg-step b { font-family: var(--mono); font-size: var(--fs-2xs); color: var(--ink2); }
.dg-step strong { font-size: var(--fs-md); letter-spacing: -.02em; }
.dg-step span { font-size: var(--fs-xs); line-height: 1.6; color: var(--ink2); }
.dg-step.is-done { opacity: .7; }
.dg-step.is-on { opacity: 1; outline-color: var(--k); }
.sx-motion .dg-pen { height: calc(var(--n) * 45vh + 100vh); }
.sx-motion .dg-pen__sticky { position: sticky; top: 0; height: 100vh; display: flex; align-items: center; padding: var(--hd-h) 0 0; overflow: hidden; }
.sx-motion .dg-pen__sticky > .wrap { width: 100%; }
.sx-motion .dg-pen__art { width: min(100%, (100vh - 440px) * 2.3); margin-inline: auto; }

/* ---------- 작업: 선택 핸들 ---------- */
.dg-works__top { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; margin-bottom: round(clamp(48px, 6vw, 88px), 4px); }
.dg-works__top .sx-head { margin-bottom: 0; }
.dg-works__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: round(clamp(16px, 2vw, 28px), 4px); }
.dg-art { position: relative; display: block; aspect-ratio: 1; background: var(--white); }
.dg-art__pic { display: block; width: 100%; height: 100%; }
.dg-art img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.dg-art__sel { position: absolute; inset: -8px; border: 1px solid var(--k); opacity: 0; transform: scale(1.03); transition: opacity .3s, transform .5s var(--ease); pointer-events: none; }
.dg-art__sel b { position: absolute; width: 9px; height: 9px; margin: -5px; background: var(--white); border: 1px solid var(--k); }
.dg-art__sel b:nth-child(1) { left: 0; top: 0; } .dg-art__sel b:nth-child(2) { left: 100%; top: 0; } .dg-art__sel b:nth-child(3) { left: 0; top: 100%; } .dg-art__sel b:nth-child(4) { left: 100%; top: 100%; }
.dg-art__sel em { position: absolute; left: -1px; top: -1px; transform: translateY(-100%); padding: 2px 8px; background: var(--k); color: var(--paper); font-family: var(--mono); font-size: var(--fs-2xs); font-style: normal; }
.dg-art:is(:hover, :focus-visible) .dg-art__sel { opacity: 1; transform: none; }
.dg-art:hover img { transform: scale(.94); }

@media (max-width: 1180px) {
  .dg-works__grid { grid-template-columns: repeat(3, 1fr); }
  .dg-step { width: 200px; }
}
@media (max-width: 960px) {
  .dg-hero__foot { flex-direction: column; align-items: flex-start; }
  .dg-panel { display: none; }
  .dg-comp { width: 88vw; }
  .dg-boards__head { flex-direction: column; align-items: flex-start; }
  .dg-layers { display: none; }
  .sx-motion .dg-board { width: 70vw; }
  .dg-swatch__in { grid-template-columns: 1fr; }
  .dg-works__grid { grid-template-columns: repeat(2, 1fr); }
  .sx-motion .dg-pen { height: auto; }
  .sx-motion .dg-pen__sticky { position: static; height: auto; padding: 120px 0; }
  .dg-pen__art { aspect-ratio: auto; }
  .dg-pen__art svg { display: none; }
  .dg-pen__steps { display: grid; gap: 12px; }
  .dg-step, .dg-step.is-up { position: static; width: auto; transform: none; opacity: 1; }
}
@media (max-width: 640px) {
  .dg-swatch__book { height: 480px; }
  .dg-chip { width: 240px; height: 420px; margin-left: -120px; }
  .dg-bento { aspect-ratio: 1 / 1; grid-template-areas: "logo logo photo photo" "y k photo photo" "type type grid p"; }
}