/* BluePrint Indiez 랜딩페이지 — base.css 위에 얹는 페이지 전용 스타일 */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { min-width: 0; background: var(--blue); }
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; padding: 10px 14px; background: var(--paper); color: var(--blue); font-weight: 700; text-decoration: none; }
.skip:focus { top: 12px; }

/* ── 스크롤 무대: 1440×900 무대를 창에 맞춰 확대·축소 ── */
.hero { position: relative; height: 1300vh; }   /* 포커스 구간만 2.2배 길게 (js FOCUS_SLOW) */
.vp {
  position: sticky; top: 0; height: 100vh; overflow: hidden;
  background-color: var(--blue);
  background-image:
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);
  background-size: 24px 24px;
}
.stage { position: absolute; left: 50%; top: 50%; transform-origin: 50% 50%; transform: translate(-50%, -50%); }
.layer { position: absolute; inset: 0; pointer-events: none; }
.layer a, .layer .card, .layer .mini { pointer-events: auto; }

/* K0 */
.k0 .intro { top: 110px; width: 428px; }
.k0 .intro .brand { width: 428px; height: 160px; margin-bottom: 26px; }
.k0 .titleblock { left: 72px; right: auto; bottom: auto; top: 642px; width: 428px; }
.iso-frame { position: absolute; left: 1060px; top: 110px; width: 308px; height: 681px; border: 1px dashed rgba(166, 232, 235, .45); }
.cap-m { position: absolute; z-index: 4; margin: 0; font: 500 11px/1.4 var(--font-mono); letter-spacing: .08em; color: var(--cyan); }
.iso-frame .cap-m { left: 12px; top: 10px; }
.cue { position: absolute; left: 0; right: 0; bottom: 96px; margin: 0; text-align: center; font: 500 12px/1 var(--font-mono); letter-spacing: .14em; color: var(--line-soft); }
.cue span { display: inline-block; animation: cue 1.8s ease-in-out infinite; }
@keyframes cue { 50% { transform: translateY(6px); } }
@media (prefers-reduced-motion: reduce) { .cue span { animation: none; } }

/* 캐비닛 (한 벌을 스크롤 따라 이동). 모델은 무대 전체 크기 캔버스에 그림 — CSS 3D 없음 */
.rig { position: absolute; left: 0; top: 0; width: 220px; height: 520px; z-index: 3; pointer-events: none; }
.rig .floor { left: -80px; top: 480px; width: 420px; height: 56px; z-index: 1; }
canvas.model { position: absolute; left: 0; top: 0; width: 1440px; height: 900px; z-index: 3; pointer-events: none; }
#isoCv { position: absolute; left: -80px; top: -80px; width: 380px; height: 680px; }   /* js ISO_BOX와 같게 */

/* K2~K5 부품 패널 (인셋 청사진 + 설명) */
.mini {
  position: absolute; left: 730px; top: 140px; width: 662px; height: 300px; margin: 0; z-index: 5;
  background-color: #1d3d5f;
  background-image: linear-gradient(rgba(166,232,235,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(166,232,235,.1) 1px, transparent 1px);
  background-size: 24px 24px; background-position: -1px -1px;
  border: 1.5px solid var(--line);
}
.mini::before { content: ""; position: absolute; inset: 5px; border: 1px solid var(--line-faint); pointer-events: none; }
.mini-h { display: flex; justify-content: space-between; padding: 12px 18px 8px; font: 500 12px/1.4 var(--font-mono); letter-spacing: .06em; color: var(--cyan); border-bottom: 1px solid var(--line-faint); margin: 0 5px; }
.mini .dwg { position: relative; display: block; }
.mini-f { position: absolute; left: 18px; bottom: 12px; margin: 0; font: 500 11px/1.4 var(--font-mono); letter-spacing: .04em; color: var(--line-soft); }
.desc { left: 730px; top: 458px; width: 662px; padding: 20px 28px 22px; }
.desc .big-no { font-size: 48px; top: 14px; }
.desc .kicker { margin-bottom: 10px; }
.desc .page-title { font-size: 26px; margin: 0 0 8px; }
.desc .page-lead { font-size: 15px; line-height: 1.6; margin: 0 0 10px; }
.desc .list li { padding: 5px 0; font-size: 15px; }
.desc .list small { line-height: 1.25; }
.desc .list .btn { height: 38px; padding: 0 16px; font-size: 14px; margin-top: 2px; }

/* K7 */
.ring { position: absolute; left: 0; top: 0; overflow: visible; }
.ring ellipse { fill: none; stroke: var(--line-soft); stroke-width: 1; }
.ring .tick { stroke: var(--line-soft); stroke-width: 1; }
.ring .tick.major { stroke: var(--paper); }
.ring text { font: 500 11px/1 var(--font-mono); fill: var(--cyan); text-anchor: middle; }
.ring .needle { stroke: var(--cyan); stroke-width: 1.5; }
.closing { position: absolute; left: 760px; top: 170px; width: 590px; z-index: 5; }
.closing .brand { width: 470px; height: 176px; margin: 0 0 30px; }
.closing .tagline { font-size: 34px; margin: 0 0 14px; }
.closing .lead { margin: 0 0 26px; }
.closing .links { margin-top: 0; }

/* 스크롤 진행 표시 (오른쪽 가장자리) */
.progress { position: fixed; left: 50%; bottom: 22px; z-index: 20; transform: translateX(-50%); display: flex; gap: 10px; margin: 0; padding: 0; list-style: none; }
.progress a { display: block; width: 10px; height: 10px; border: 1px solid var(--line-soft); border-radius: 50%; }
.progress a.on { background: var(--cyan); border-color: var(--cyan); }
.progress a:focus-visible { outline-offset: 2px; }

/* ── 하단 (함께하기) ── */
.foot { position: relative; padding: 72px 24px 56px; background: #1b3753; border-top: 1px solid var(--line-soft); }
.foot-in { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto; gap: 24px 48px; align-items: end; }
.foot .brand { width: 260px; height: 97px; margin: 0 0 18px; }
.foot h2 { margin: 0 0 8px; font-size: 28px; }
.foot p { margin: 0; color: rgba(238,240,233,.9); line-height: 1.7; word-break: keep-all; }
.foot .links { margin-top: 0; }
.foot small { grid-column: 1 / -1; margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line-faint); font: 12px/1.5 var(--font-mono); color: var(--line-soft); }

/* ── 좁은 화면: 스크롤 연출 대신 세로 내용 ── */
.mobile { display: none; }
@media (max-width: 820px), (max-height: 520px) {
  .hero, .progress { display: none; }
  .mobile { display: block; padding: 40px 20px 24px; background-color: var(--blue);
    background-image: linear-gradient(var(--grid-major) 1px, transparent 1px), linear-gradient(90deg, var(--grid-major) 1px, transparent 1px);
    background-size: 48px 48px; }
  .mobile .brand { width: min(320px, 100%); height: auto; aspect-ratio: 2455 / 918; margin: 0 0 20px; }
  .mobile .tagline { font-size: 24px; }
  .mobile .fig { display: block; width: min(240px, 70%); margin: 28px auto; }
  .mobile section { margin-top: 36px; }
  .mobile h2 { font-size: 22px; margin: 0 0 12px; }
  .mobile .kicker { margin-bottom: 8px; }
  .mobile .list li { font-size: 16px; }
  .foot-in { grid-template-columns: 1fr; }
  .foot .links { flex-direction: column; align-items: stretch; }
  .foot .btn { justify-content: center; }
}


/* K7 와이어프레임 켜기·끄기 */
.wf-toggle {
  position: absolute; left: 72px; top: 786px; z-index: 6; pointer-events: auto;
  display: inline-flex; align-items: center; gap: 10px; height: 40px; padding: 0 16px 0 12px;
  font: 500 13px/1 var(--font-mono); letter-spacing: .06em; color: var(--paper);
  background: rgba(27, 55, 83, .92); border: 1.5px solid var(--line-soft); cursor: pointer;
}
.wf-toggle b { font-weight: 500; color: var(--line-soft); min-width: 3ch; }
.wf-toggle .sw { position: relative; width: 30px; height: 16px; border: 1px solid var(--line-soft); border-radius: 8px; }
.wf-toggle .sw::after { content: ""; position: absolute; left: 2px; top: 2px; width: 10px; height: 10px; border-radius: 50%; background: var(--line-soft); transition: transform .2s; }
.wf-toggle[aria-pressed="true"] { border-color: var(--cyan); }
.wf-toggle[aria-pressed="true"] b { color: var(--cyan); }
.wf-toggle[aria-pressed="true"] .sw { border-color: var(--cyan); }
.wf-toggle[aria-pressed="true"] .sw::after { transform: translateX(14px); background: var(--cyan); }
.wf-toggle:hover { border-color: var(--cyan); }

/* K0 → K1: 3면도가 모델과 함께 회전 (2D matrix, js BPI.planeMatrix) */
.rig .dwg2d { position: absolute; left: 0; top: 0; z-index: 1; }
#dwg3d { position: absolute; left: 0; top: 0; transform-origin: 0 0; }
#dwg3d svg { position: absolute; left: -90px; top: -290px; overflow: visible; }

/* 모델 투명도(80%)·부품 강조 흐림·흰 외곽선은 js/lowpoly.js가 캔버스에 그릴 때 줌 */

/* ── 부품 패널: 제목 카드(위) ↔ 전개도 칸(아래) 위치 바꿈, 제목만 남김 ── */
.desc { top: 110px; bottom: auto; min-height: 184px; padding: 22px 28px 24px; }   /* 제목 한 줄·두 줄 모두 같은 높이 */
.desc .page-title { margin: 0 0 8px; }
.desc .page-lead { margin: 0; }
.mini { top: 318px; }   /* 제목 카드 아래 */

/* ── 가이드: 제목 카드(위) + 전개도 칸(아래)을 한 묶음으로, 오른쪽 열에서 세로 가운데 정렬 ── */
.guide { position: absolute; left: 730px; top: 50%; width: 662px; transform: translateY(-50%); display: flex; flex-direction: column; gap: 18px; }
.guide .desc, .guide .mini { position: relative; left: auto; top: auto; bottom: auto; width: 100%; }
.guide .desc { order: 0; }   /* 높이는 js에서 네 카드 중 가장 큰 값으로 맞춤 */
.guide .mini { order: 1; flex: none; }

/* ── 부품 제목 카드 글자 1.7배: 대제목 26 → 44px, 대제목 설명 15 → 25.5px ── */
.guide .desc .page-title { font-size: 44px; line-height: 1.22; margin: 0 0 12px; }
.guide .desc .page-lead { font-size: 25.5px; line-height: 1.45; }

/* ── SCROLL 안내: 마우스 아이콘 + 굴러가는 휠 (260930-scroll-cue 2안 채택) ── */
/* 안 2 · 마우스 아이콘 + 굴러가는 휠 */
.cue { bottom: 48px; display: flex; justify-content: center; align-items: center; gap: 14px; font: 500 14px/1 var(--font-mono); letter-spacing: .24em; color: var(--paper); }
.cue .mouse { display: block; width: 28px; height: 44px; margin: 0; border: 2px solid var(--paper); border-radius: 16px; position: relative; animation: none; }
.cue .mouse::after { content: ""; position: absolute; left: 50%; top: 9px; width: 4px; height: 9px; margin-left: -2px; border-radius: 2px; background: var(--cyan); animation: wheel 1.6s ease-in-out infinite; }
@keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }
.cue .lbl { animation: none; }

/* ── 카카오톡 참여 QR: K7 마무리 버튼 옆 (휴대폰 화면에서는 스캔할 수 없으므로 좁은 화면에서 숨김) ── */
.links:has(.qr) { align-items: center; }
.qr { display: block; width: 96px; height: 96px; margin-left: 6px; border: 1.5px solid var(--line); }

/* 하단 "자세히 보기" 글자 링크 · 모바일 버튼 */
@media (min-width: 821px) and (min-height: 521px) { .foot .links { align-items: center; gap: 18px; } }
.foot .more { color: var(--paper); font-size: 15px; text-underline-offset: 4px; text-align: center; }
.foot .more:hover { color: var(--cyan); }
.mobile .links { flex-direction: column; align-items: stretch; margin-top: 36px; }
.mobile .btn { justify-content: center; }
@media (max-width: 820px), (max-height: 520px) { .qr { display: none; } }