/* Build Film — Sequence 스타일: 거의 흰 바탕, 하늘색 · 라벤더 빛 번짐, 옅은 점선 격자, 가는 세리프 */
.film {
  --bg: #fbfbfb; --ink: #505050; --ink-2: #2b2b2b; --muted: #757575; --line: rgba(117,117,117,.15);
  --accent: #f26a35;
  --serif: 'Noto Serif KR', Georgia, serif;
  --sans: 'Inter', 'Pretendard Variable', Pretendard, system-ui, sans-serif;
  --mono: 'Geist Mono', ui-monospace, Menlo, monospace;
}
.film, .film * { box-sizing: border-box; }
.film { color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
.film .head { text-align: center; padding: 56px 12px 28px; }
.film .head--2 { padding-top: 96px; }
.film .head p { margin: 0 0 20px; font-size: 15px; color: var(--ink); }
.film .head h1, .film .head h3 { margin: 0; font-family: var(--serif); font-weight: 300; font-size: clamp(30px, 4vw, 44px); letter-spacing: -.02em; color: var(--ink); word-break: keep-all; }
.film .head .sub { margin-top: 14px; color: var(--muted); font-size: 15px; word-break: keep-all; }

/* ── 무대 ───────────────────────────────────────────────── */
.film .stage {
  position: relative; overflow: hidden; aspect-ratio: 16 / 9; max-height: 78vh; width: 100%;
  border-radius: 14px; border: 1px solid var(--line);
  background:
    radial-gradient(48% 52% at 55% 58%, rgba(186,217,249,.55), rgba(234,234,255,.45) 26%, rgba(251,251,251,0) 70%),
    radial-gradient(60% 60% at 50% 110%, #fff 10%, rgba(215,202,242,.45) 40%, rgba(251,251,251,0) 90%),
    #fbfbfb;
  box-shadow: 0 0 0 5px rgba(234,234,255,.55), 0 30px 60px -36px rgba(40,40,80,.25);
}
.film .stage::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='148.8' height='43.2'%3E%3Cpath d='M.5 0v43.2M50.1 0v43.2M99.7 0v43.2M0 .5h148.8M0 14.9h148.8M0 29.3h148.8' fill='none' stroke='%23dcdcdc' stroke-width='.9' stroke-dasharray='2.4 2.4'/%3E%3C/svg%3E");
  -webkit-mask-image: radial-gradient(70% 70% at 50% 55%, transparent 35%, #000 90%);
          mask-image: radial-gradient(70% 70% at 50% 55%, transparent 35%, #000 90%);
  opacity: .9;
}
.film .stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; opacity: 0; transition: opacity 1s ease; }
.film .stage.is-ready canvas { opacity: 1; }

.film .chap { position: absolute; left: 24px; top: 20px; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; color: var(--muted); text-transform: uppercase; }
.film .chap b { color: var(--ink-2); font-weight: 500; }

/* 자막 */
.film .cap { position: absolute; left: 50%; bottom: 58px; transform: translate(-50%, 8px); text-align: center; opacity: 0; transition: opacity .6s ease, transform .6s ease; pointer-events: none; width: min(92%, 760px); word-break: keep-all; }
.film .cap.is-on { opacity: 1; transform: translate(-50%, 0); }
.film .cap::before { content: ''; position: absolute; inset: -34px -60px -30px; z-index: -1; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(251,251,251,.94) 55%, rgba(251,251,251,.7) 78%, rgba(251,251,251,0)); }
.film .cap .k { margin: 0; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; color: var(--muted); text-transform: uppercase; }
.film .cap h2 { margin: 8px 0 6px; font-family: var(--serif); font-weight: 300; font-size: clamp(22px, 2.6vw, 32px); color: var(--ink-2); letter-spacing: -.01em; }
.film .cap h2 em { font-style: normal; color: var(--muted); }
.film .cap h2 em.v { font-family: var(--mono); font-size: .52em; letter-spacing: .06em; vertical-align: .32em; margin-left: 6px; padding: 3px 9px; border-radius: 999px; }
.film .cap[data-verdict="allow"] em.v { color: #0c8f67; background: rgba(18,184,134,.12); }
.film .cap[data-verdict="deny"] em.v { color: #c92a2a; background: rgba(224,49,49,.1); }
.film .cap[data-verdict="log"] em.v { color: #6741c9; background: rgba(124,77,219,.12); }
.film .callout[data-verdict="allow"] { --accent: #12b886; }
.film .callout[data-verdict="deny"] { --accent: #e03131; }
.film .callout[data-verdict="log"] { --accent: #7c4ddb; }
.film .cap .desc { margin: 0; font-size: 14px; color: var(--muted); }
.film .cap .desc:empty { display: none; }
.film .cap .specs { display: inline-flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; justify-content: center; }
.film .cap .specs:empty { display: none; }
.film .cap .specs span { font-family: var(--mono); font-size: 11.5px; padding: 3px 8px; border-radius: 999px; background: rgba(255,255,255,.75); box-shadow: 0 0 0 1px var(--line); color: var(--ink); }

/* 화살표 콜아웃 */
.film .callout { position: absolute; left: 0; top: 0; pointer-events: none; opacity: 0; transition: opacity .4s ease; z-index: 3; }
.film .callout.is-on { opacity: 1; }
.film .callout .line { position: absolute; left: 0; top: 0; width: 74px; height: 1.5px; background: var(--accent); transform-origin: 0 50%; transform: rotate(-38deg); }
.film .callout .line::before { content: ''; position: absolute; left: -2px; top: 50%; transform: translateY(-50%); border-right: 9px solid var(--accent); border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.film .callout.is-on .line { animation: point 1.4s ease-in-out infinite; }
@keyframes point { 50% { transform: rotate(-38deg) translateX(5px); } }
.film .callout.to-left .line { transform: rotate(-142deg); }
.film .callout.to-left.is-on .line { animation: pointL 1.4s ease-in-out infinite; }
@keyframes pointL { 50% { transform: rotate(-142deg) translateX(5px); } }
.film .callout .box { position: absolute; left: 56px; top: -78px; white-space: nowrap; padding: 8px 12px; border-radius: 10px; background: rgba(255,255,255,.9); box-shadow: 0 0 0 1px rgba(0,0,0,.06), 0 10px 24px -12px rgba(30,30,60,.3); }
.film .callout.to-left .box { left: auto; right: 44px; }
.film .callout .box b { display: block; font-family: var(--mono); font-weight: 500; font-size: 13px; color: var(--ink-2); }
.film .callout .box span { font-size: 12px; color: var(--muted); }

.film .callout.below .line { transform: rotate(38deg); }
.film .callout.below.is-on .line { animation: pointB 1.4s ease-in-out infinite; }
@keyframes pointB { 50% { transform: rotate(38deg) translateX(5px); } }
.film .callout.below.to-left .line { transform: rotate(142deg); }
.film .callout.below.to-left.is-on .line { animation: pointBL 1.4s ease-in-out infinite; }
@keyframes pointBL { 50% { transform: rotate(142deg) translateX(5px); } }
.film .callout.below .box { top: 34px; }

/* 터미널 — 케이블을 꽂을 때마다 설정이 입력된다(밝은 유리 창) */
.film .term {
  position: absolute; left: 20px; top: 52px; width: min(420px, 44%); z-index: 2;
  border-radius: 12px; background: rgba(255,255,255,.86); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  box-shadow: 0 0 0 1px rgba(0,0,0,.06), 0 16px 36px -18px rgba(30,30,60,.3);
  opacity: 0; transform: translateY(-6px); transition: opacity .5s ease, transform .5s ease;
}
.film .term.is-on { opacity: 1; transform: none; }
.film .term__bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; border-bottom: 1px solid var(--line); }
.film .term__bar i { width: 8px; height: 8px; border-radius: 50%; background: #e2e2e2; }
.film .term__bar .host { margin-left: 8px; font-family: var(--mono); font-size: 11.5px; color: var(--muted); }
.film .term pre { margin: 0; padding: 12px 14px 14px; min-height: 96px; font-family: var(--mono); font-size: 12.5px; line-height: 1.6; color: var(--ink-2); white-space: pre-wrap; word-break: break-all; }
.film .term pre::after { content: ''; display: inline-block; width: 7px; height: 14px; margin-left: 1px; vertical-align: -2px; background: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Finish */
.film .finish { position: absolute; inset: 0; display: grid; place-content: end center; padding-bottom: 64px; text-align: center; pointer-events: none; opacity: 0; transition: opacity 1.2s ease; }
.film .finish.is-on { opacity: 1; }
.film .finish p { margin: 0; font-family: var(--mono); font-size: 12px; letter-spacing: .12em; color: var(--muted); text-transform: uppercase; }
.film .finish h2 { margin: 6px 0 0; font-family: var(--serif); font-weight: 300; font-size: clamp(48px, 7vw, 96px); line-height: 1; letter-spacing: -.03em; color: var(--ink-2); text-shadow: 0 0 30px #fbfbfb, 0 0 60px #fbfbfb; }

/* 조작 막대 */
.film .ctrl { position: absolute; left: 20px; right: 20px; bottom: 16px; display: flex; align-items: center; gap: 12px; z-index: 4; }
.film .play { width: 30px; height: 30px; border-radius: 50%; border: 0; background: rgba(255,255,255,.85); box-shadow: 0 0 0 1px var(--line); display: grid; place-items: center; cursor: pointer; flex: none; }
.film .play::before { content: ''; width: 0; height: 0; border-left: 9px solid var(--ink-2); border-top: 6px solid transparent; border-bottom: 6px solid transparent; margin-left: 2px; }
.film .play[data-state="pause"]::before { width: 9px; height: 11px; border: 0; margin: 0; background: linear-gradient(90deg, var(--ink-2) 35%, transparent 35% 65%, var(--ink-2) 65%); }
.film .track { position: relative; flex: 1; height: 18px; cursor: pointer; display: grid; grid-template-columns: 1fr; gap: 4px; align-items: center; }
.film .track--3 { grid-template-columns: .2fr .64fr .16fr; }
.film .track--4 { grid-template-columns: .15fr .47fr .27fr .11fr; }
.film .track i { height: 3px; border-radius: 2px; background: rgba(0,0,0,.08); font-style: normal; position: relative; }
.film .track i::after { content: attr(data-t); position: absolute; left: 0; top: -16px; font-family: var(--mono); font-size: 10px; color: #a3a3a3; letter-spacing: .04em; white-space: nowrap; }
.film .bar { position: absolute; left: 0; top: 50%; height: 3px; margin-top: -1.5px; width: 0; background: var(--accent); border-radius: 2px; pointer-events: none; }
.film .time { font-family: var(--mono); font-size: 12px; color: var(--muted); width: 40px; text-align: right; }

.film .note { text-align: center; color: var(--muted); font-size: 13px; padding: 20px 12px 60px; }
.film .note a { color: var(--ink-2); text-underline-offset: 3px; }
/* MP4 로 뽑을 때(?export): 조작 막대는 숨긴다 */
.film .stage.is-export .ctrl { display: none; }

@media (max-width: 720px) {
  .film .stage { aspect-ratio: 4 / 5; max-height: none; }
  .film .cap { bottom: 60px; }
  .film .cap h2 { font-size: 21px; }
  .film .cap .desc { font-size: 13px; }
  .film .cap .specs span:nth-child(n+3) { display: none; }
  .film .track i::after { display: none; }
  .film .callout .line { width: 46px; }
  .film .callout .box { white-space: normal; width: 128px; padding: 6px 9px; top: -70px; left: 34px; }
  .film .callout.below .box { top: 26px; }
  .film .callout.to-left .box { right: 34px; }
  .film .callout .box b { font-size: 11.5px; }
  .film .callout .box span { font-size: 11px; }
  .film .term { left: 12px; right: 12px; width: auto; top: 46px; }
  #buildStage .cap .k { display: none; }
  .film .term pre { font-size: 11px; min-height: 70px; padding: 9px 11px 11px; }
}

/* 영상 1(장비 소개): 격자 · 빛 번짐 없이 한 가지 바탕색 */
.film #introStage { background: #faf8f6; box-shadow: none; }
.film #introStage::before { display: none; }
.film #introStage .cap::before { background: radial-gradient(closest-side, rgba(250,248,246,.94) 55%, rgba(250,248,246,.7) 78%, rgba(250,248,246,0)); }