:root{
  --sf-gallery:#f6f6f3;
  --sf-paper:#fff;
  --sf-ink:#111;
  --sf-orange:#ef461e;
  --sf-time:#6d7378;
  --sf-line:#d9d9d4;
  --sf-dark:#0d0f12;
  --sf-green:#b9ff32;
}

.sf-page{background:var(--sf-gallery);color:var(--sf-ink)}
.sf-page .sf-mono,
.sf-page time,
.sf-page code,
.sf-page output,
.sf-page .ps-heading__label{font-family:'IBM Plex Mono',ui-monospace,SFMono-Regular,Consolas,monospace}

/* Hero — 하나의 세로 광고를 시간축으로 읽게 한다. */
.sf-hero{padding:132px 0 82px;background:var(--sf-gallery);border-bottom:1px solid var(--sf-line);overflow:clip}
.sf-hero__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(440px,.78fr);gap:76px;align-items:start}
.sf-hero__copy{position:sticky;top:94px;z-index:2}
.sf-hero .ps-display{font-size:clamp(48px,6.7vw,88px)}
.sf-format-line{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:28px;border-top:1px solid var(--sf-ink);border-bottom:1px solid var(--sf-ink);font:600 11px/1 'IBM Plex Mono',monospace;letter-spacing:.04em}
.sf-format-line>*{padding:12px 14px;border-right:1px solid var(--sf-line)}
.sf-format-line>*:first-child{padding-left:0;color:var(--sf-time)}
.sf-format-line>*:last-child{border-right:0}
.sf-format-line b{font-size:15px;color:var(--sf-orange)}
.sf-hero__note{margin:15px 0 0;color:var(--sf-time);font-size:12px}
.sf-timeline{position:relative;display:grid;grid-template-rows:1fr 1.22fr .8fr;gap:10px;min-height:660px;padding-left:34px}
.sf-timeline::after{content:'9:16 MASTER';position:absolute;right:-58px;top:80px;transform:rotate(90deg);transform-origin:center;color:var(--sf-time);font:700 10px/1 'IBM Plex Mono',monospace;letter-spacing:.18em}
.sf-timeline__rail{position:absolute;left:0;top:0;bottom:0;width:18px;border-left:1px solid var(--sf-ink);display:flex;flex-direction:column;justify-content:space-between}
.sf-timeline__rail::after{content:'';position:absolute;left:-4px;top:20%;width:7px;height:7px;border-radius:50%;background:var(--sf-orange);box-shadow:0 198px 0 var(--sf-orange),0 410px 0 var(--sf-orange)}
.sf-timeline__rail span{transform:translateX(-6px);font:600 9px/1 'IBM Plex Mono',monospace;color:var(--sf-time);background:var(--sf-gallery);padding:3px 0}
.sf-timeline__frame{position:relative;min-height:0;overflow:hidden;background:var(--sf-ink);box-shadow:18px 18px 0 rgba(17,17,17,.06)}
.sf-timeline__frame img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.04);transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.sf-timeline__frame:hover img{transform:scale(1.035)}
.sf-timeline__frame::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.72),transparent 58%)}
.sf-timeline__frame>div{position:absolute;z-index:2;left:20px;bottom:18px;display:grid;gap:4px;color:#fff}
.sf-timeline__frame time{font-size:9px;color:#ff8b6e}
.sf-timeline__frame strong{font-size:25px;letter-spacing:-.04em}
.sf-timeline__frame small{font:600 8px/1 'IBM Plex Mono',monospace;letter-spacing:.12em;color:rgba(255,255,255,.68)}
.sf-timeline__frame--hook img{object-position:center 28%}
.sf-timeline__frame--story img{object-position:center 66%}
.sf-timeline__frame--action img{object-position:center 72%}

/* 서비스 장부 — 같은 크기의 카드 반복 대신 편집 타임시트처럼 구성한다. */
.sf-services{background:var(--sf-paper)}
.sf-service-ledger{border-top:2px solid var(--sf-ink)}
.sf-service-row{display:grid;grid-template-columns:64px minmax(220px,.62fr) minmax(0,1fr) auto;gap:26px;align-items:center;padding:24px 0;border-bottom:1px solid var(--sf-line)}
.sf-service-row>span{font:700 11px/1 'IBM Plex Mono',monospace;color:var(--sf-orange)}
.sf-service-row h3{margin:0;font-size:20px;letter-spacing:-.035em}
.sf-service-row p{margin:0;color:var(--sf-time);font-size:14px;line-height:1.7}
.sf-service-row code{padding:7px 9px;background:var(--sf-gallery);color:var(--sf-time);font-size:9px;letter-spacing:.04em;white-space:nowrap}

/* 샘플 — 첫 사례는 크게, 나머지는 좌우를 교차시킨다. */
.sf-samples{background:var(--sf-gallery)}
.sf-sample-list{display:grid;gap:76px}
.sf-sample{display:grid;grid-template-columns:minmax(360px,.82fr) minmax(0,1.18fr);gap:64px;align-items:center;padding-top:28px;border-top:1px solid var(--sf-ink)}
.sf-sample:nth-child(even){grid-template-columns:minmax(0,1.18fr) minmax(360px,.82fr)}
.sf-sample:nth-child(even) .sf-sample__visual{order:2}
.sf-sample--lead{grid-template-columns:minmax(420px,1.06fr) minmax(0,.94fr);padding:34px;background:var(--sf-paper);border:1px solid var(--sf-line);box-shadow:18px 18px 0 rgba(17,17,17,.07)}
.sf-sample__visual{position:relative;margin:0;max-width:540px;justify-self:center;background:var(--sf-ink);overflow:hidden}
.sf-sample__visual::before{content:'';position:absolute;z-index:2;inset:12px;border:1px solid rgba(255,255,255,.32);pointer-events:none}
.sf-sample__visual img,.sf-sample__visual video{display:block;width:100%;height:auto;aspect-ratio:9/16;object-fit:cover;background:#e8e8e3}
.sf-sample__visual video{cursor:pointer}
.sf-sample__visual figcaption{position:absolute;z-index:3;left:12px;right:12px;bottom:72px;display:flex;justify-content:space-between;gap:12px;padding:10px 12px;background:rgba(10,12,14,.82);backdrop-filter:blur(8px);color:#fff;font:600 8px/1.2 'IBM Plex Mono',monospace;letter-spacing:.06em;pointer-events:none}
.sf-sample__visual figcaption b{color:#ff8b6e}
.sf-sample__body{max-width:590px}
.sf-sample__body>.sf-mono{color:var(--sf-orange);font-size:10px;font-weight:700;letter-spacing:.08em}
.sf-sample__body h3{margin:18px 0 0;font-size:clamp(34px,4.5vw,60px);line-height:1.04;letter-spacing:-.055em}
.sf-sample__body>p{margin:22px 0 0;color:var(--sf-time);font-size:15px;line-height:1.82}
.sf-cue-list{margin:30px 0 0;padding:0;list-style:none;border-top:1px solid var(--sf-ink)}
.sf-cue-list li{display:grid;grid-template-columns:128px 1fr;gap:18px;padding:13px 0;border-bottom:1px solid var(--sf-line);font-size:13px}
.sf-cue-list time{color:var(--sf-orange);font-size:10px;font-weight:700}
.sf-cue-list span{color:var(--sf-ink);font-weight:650}
.sf-sample__status{display:flex;align-items:center;gap:9px!important;margin-top:17px!important;font-size:11px!important;color:var(--sf-time)!important}
.sf-sample__status span{width:7px;height:7px;border-radius:50%;background:var(--sf-orange);box-shadow:0 0 0 4px rgba(239,70,30,.12)}

.sf-packages{background:var(--sf-paper)}
.sf-packages .ps-package{border-radius:0}
.sf-scope-notes{display:grid;grid-template-columns:1fr 1fr;margin-top:28px;border-top:1px solid var(--sf-ink);border-bottom:1px solid var(--sf-ink)}
.sf-scope-notes p{display:grid;grid-template-columns:94px 1fr;gap:16px;margin:0;padding:19px 20px 19px 0;color:var(--sf-time);font-size:12px;line-height:1.65}
.sf-scope-notes p+ p{padding-left:20px;border-left:1px solid var(--sf-line)}
.sf-scope-notes b{color:var(--sf-orange)}

/* Brief console */
.sf-brief{padding:108px 0;background:var(--sf-dark);color:#fff;border-bottom:1px solid #282c31}
.sf-brief__grid{display:grid;grid-template-columns:minmax(280px,.65fr) minmax(560px,1.35fr);gap:80px;align-items:start}
.sf-brief__intro{position:sticky;top:94px}
.sf-brief__intro>.sf-mono{color:#ff805d;font-size:10px;font-weight:700;letter-spacing:.12em}
.sf-brief__intro h2{margin:20px 0 0;font-size:clamp(36px,4.6vw,58px);line-height:1.08;letter-spacing:-.05em}
.sf-brief__intro>p{margin:24px 0 0;color:rgba(255,255,255,.62);font-size:14px;line-height:1.8}
.sf-console-status{display:grid;gap:8px;margin-top:36px;padding:20px;border:1px solid #383d43;background:#13161a}
.sf-console-status span,.sf-console-status small{font:600 9px/1.3 'IBM Plex Mono',monospace;letter-spacing:.08em;color:#899199}
.sf-console-status b{font:700 15px/1.3 'IBM Plex Mono',monospace;color:var(--sf-green)}
.sf-brief-form{display:grid;grid-template-columns:1fr 1fr;border:1px solid #383d43;background:#14171b}
.sf-brief-form__head{grid-column:1/-1;display:flex;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #383d43;color:#899199;font:600 10px/1 'IBM Plex Mono',monospace;letter-spacing:.08em}
.sf-brief-form__head output{color:var(--sf-green)}
.sf-field{display:flex;flex-direction:column;gap:9px;padding:22px;border-bottom:1px solid #383d43}
.sf-field:nth-of-type(odd){border-right:1px solid #383d43}
.sf-field--wide{grid-column:1/-1!important;border-right:0!important}
.sf-field label,.sf-field legend{color:#c6cbd0;font-size:11px;font-weight:700;letter-spacing:-.01em}
.sf-field legend{padding:0}
.sf-field legend small{margin-left:6px;color:#727980;font:500 9px/1 'IBM Plex Mono',monospace}
.sf-field select,.sf-field textarea{width:100%;border:0;border-bottom:1px solid #555d65;border-radius:0;outline:0;background:transparent;color:#fff;font:500 14px/1.55 'Pretendard Variable','Pretendard',sans-serif;transition:border-color .18s,background .18s}
.sf-field select{height:43px;padding:0 30px 0 0;color-scheme:dark}
.sf-field textarea{padding:10px 0;resize:vertical}
.sf-field textarea::placeholder{color:#6d747b}
.sf-field select:focus,.sf-field textarea:focus{border-color:var(--sf-green);background:rgba(185,255,50,.03)}
.sf-ratios{display:flex;flex-direction:row;flex-wrap:wrap;align-content:flex-start;border:0;margin:0}
.sf-ratios legend{width:100%;margin-bottom:12px}
.sf-ratios label{position:relative;cursor:pointer}
.sf-ratios input{position:absolute;opacity:0;pointer-events:none}
.sf-ratios span{display:block;padding:9px 11px;border:1px solid #4a5158;color:#aeb4ba;font:600 10px/1 'IBM Plex Mono',monospace;transition:.18s}
.sf-ratios input:checked+span{border-color:var(--sf-green);background:var(--sf-green);color:#101214}
.sf-ratios input:focus-visible+span{outline:2px solid #fff;outline-offset:2px}
.sf-brief-form__foot{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px;background:#0f1114}
.sf-brief-form__foot p{margin:0;color:#858c93;font-size:11px;line-height:1.7}
.sf-brief-form__foot b{color:#fff}
.sf-brief .ps-btn--primary{flex:0 0 auto;background:var(--sf-green);border-color:var(--sf-green);color:#101214}

/* 제작 과정 */
.sf-process{background:var(--sf-paper)}
.sf-process-list{display:grid;grid-template-columns:repeat(7,1fr);margin:0;padding:0;list-style:none;border-top:1px solid var(--sf-ink);border-bottom:1px solid var(--sf-ink)}
.sf-process-list li{min-height:210px;padding:20px 14px;border-right:1px solid var(--sf-line)}
.sf-process-list li:last-child{border-right:0}
.sf-process-list>li>span{font:700 10px/1 'IBM Plex Mono',monospace;color:var(--sf-orange)}
.sf-process-list div{margin-top:54px}
.sf-process-list h3{margin:0;font-size:16px;line-height:1.3;letter-spacing:-.03em}
.sf-process-list p{margin:10px 0 0;color:var(--sf-time);font-size:11px;line-height:1.65}
.sf-payment-note{display:grid;grid-template-columns:130px minmax(0,1fr) auto;gap:28px;align-items:center;margin-top:28px;padding:22px 24px;background:var(--sf-ink);color:#fff}
.sf-payment-note>span{font:700 9px/1 'IBM Plex Mono',monospace;letter-spacing:.1em;color:#ff805d}
.sf-payment-note p{margin:0;color:rgba(255,255,255,.65);font-size:12px;line-height:1.7}
.sf-payment-note b{color:#fff}
.sf-final .sf-mono{display:block;margin-bottom:18px;color:#ff805d;font-size:9px;letter-spacing:.13em}

@media(max-width:1080px){
  .sf-hero__grid{grid-template-columns:minmax(0,1fr) minmax(380px,.78fr);gap:46px}
  .sf-process-list{grid-template-columns:repeat(4,1fr)}
  .sf-process-list li:nth-child(4){border-right:0}
  .sf-process-list li:nth-child(-n+4){border-bottom:1px solid var(--sf-line)}
  .sf-brief__grid{gap:48px}
}

@media(max-width:900px){
  .sf-hero__grid{grid-template-columns:1fr;gap:56px}
  .sf-hero__copy{position:static;top:auto}
  .sf-timeline{max-width:620px;width:100%;margin:0 auto}
  .sf-service-row{grid-template-columns:48px minmax(190px,.75fr) minmax(0,1fr)}
  .sf-service-row code{grid-column:2/-1;justify-self:start}
  .sf-sample,.sf-sample:nth-child(even),.sf-sample--lead{grid-template-columns:minmax(290px,.82fr) minmax(0,1.18fr);gap:34px}
  .sf-sample:nth-child(even) .sf-sample__visual{order:0}
  .sf-sample--lead{padding:24px}
  .sf-brief__grid{grid-template-columns:1fr;gap:38px}
  .sf-brief__intro{position:static}
  .sf-brief-form{max-width:none}
  .sf-payment-note{grid-template-columns:1fr auto}
  .sf-payment-note>span{grid-column:1/-1}
}

@media(max-width:720px){
  .sf-hero{padding:108px 0 66px}
  .sf-hero .ps-display{font-size:clamp(41px,13vw,62px)}
  .sf-format-line>*{padding:10px 8px;font-size:9px}
  .sf-timeline{min-height:520px;padding-left:27px}
  .sf-timeline::after{display:none}
  .sf-timeline__frame>div{left:14px;bottom:13px}
  .sf-timeline__frame strong{font-size:20px}
  .sf-timeline__rail::after{box-shadow:0 155px 0 var(--sf-orange),0 322px 0 var(--sf-orange)}
  .sf-service-row{grid-template-columns:34px 1fr;gap:12px 14px;padding:20px 0}
  .sf-service-row h3{font-size:18px}
  .sf-service-row p,.sf-service-row code{grid-column:2}
  .sf-sample-list{gap:54px}
  .sf-sample,.sf-sample:nth-child(even),.sf-sample--lead{grid-template-columns:1fr;gap:28px;padding-top:22px}
  .sf-sample--lead{padding:18px}
  .sf-sample__visual{width:min(100%,430px)}
  .sf-sample__body h3{font-size:38px}
  .sf-cue-list li{grid-template-columns:112px 1fr}
  .sf-scope-notes{grid-template-columns:1fr}
  .sf-scope-notes p+ p{padding-left:0;border-left:0;border-top:1px solid var(--sf-line)}
  .sf-brief{padding:78px 0}
  .sf-brief-form{grid-template-columns:1fr}
  .sf-field,.sf-field:nth-of-type(odd),.sf-field--wide{grid-column:1;border-right:0}
  .sf-brief-form__foot{align-items:stretch;flex-direction:column}
  .sf-brief-form__foot .ps-btn{width:100%}
  .sf-process-list{grid-template-columns:repeat(2,1fr)}
  .sf-process-list li,.sf-process-list li:nth-child(4){border-right:1px solid var(--sf-line);border-bottom:1px solid var(--sf-line)}
  .sf-process-list li:nth-child(even){border-right:0}
  .sf-process-list li:nth-last-child(-n+2){border-bottom:0}
  .sf-process-list li:last-child{border-right:1px solid var(--sf-line)}
  .sf-payment-note{grid-template-columns:1fr;align-items:start}
  .sf-payment-note .ps-btn{width:100%}
}

@media(max-width:430px){
  .sf-format-line>*:last-child{width:100%;border-top:1px solid var(--sf-line)}
  .sf-sample__visual figcaption{flex-direction:column}
  .sf-cue-list li{grid-template-columns:1fr;gap:5px}
  .sf-process-list{grid-template-columns:1fr}
  .sf-process-list li,.sf-process-list li:nth-child(even),.sf-process-list li:nth-last-child(-n+2),.sf-process-list li:last-child{min-height:0;border-right:0;border-bottom:1px solid var(--sf-line)}
  .sf-process-list li:last-child{border-bottom:0}
  .sf-process-list div{margin-top:24px}
}

@media(prefers-reduced-motion:reduce){
  .sf-timeline__frame img,.sf-ratios span{transition:none!important}
  .sf-timeline__frame:hover img{transform:none}
}