/* 3판: 2판의 섹션 순서(AI 스튜디오 구도)는 그대로 두고 손질만 다시 함.
   방향 — 세계: 편집실(검은 모니터 · 타임라인 · 녹화 표시등). 바탕과 글자는 푸른 기 도는 회색 한 줄, 강조색은 녹화 표시등 주황 하나.
   색과 화려함은 영상에만 둔다. 고유 표식: 타임라인 눈금과 재생 머리, 영상 길이 숫자. */
:root{
  --page:#f5f7fa; --card:#ffffff; --raised:#eceff4;
  --ink:#111827; --text:#4b5565; --mute:#6b7487;
  --line:rgba(17,24,39,.09); --line-strong:rgba(17,24,39,.16);
  --accent:#cf3a16; --accent-on-dark:#ff6a45;
  --night:#0b0d14; --night-card:#11141c; --night-raised:#1a1e28; --night-line:rgba(238,240,245,.1);
  --on-night:#eef0f5; --on-night-2:#a3a9b8;
  --font:"Pretendard Variable","Pretendard","Noto Sans KR","Apple SD Gothic Neo",system-ui,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --wrap:1240px; color-scheme:light;
}
*{box-sizing:border-box}
body{margin:0;background:var(--page);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;word-break:keep-all}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:40;background:var(--page)}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
h1,h2,h3,p,figure,ul{margin:0}
ul{padding:0;list-style:none}
h1{font-size:60px;line-height:1.16;font-weight:600;letter-spacing:-.03em;color:var(--ink)}
h2{font-size:40px;line-height:1.24;font-weight:600;letter-spacing:-.02em;color:var(--ink)}
h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--ink)}
section{padding-block:96px}
video,img{display:block}
.num-t{font-variant-numeric:tabular-nums}
.kicker{font-size:14px;line-height:20px;color:var(--mute);margin-bottom:12px}
.kicker b{font-weight:500;color:var(--accent)}
.head{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:end;margin-bottom:40px}
.head .side{display:grid;gap:16px;justify-items:start}
.head .side p{font-size:17px;line-height:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 20px;border-radius:10px;border:1px solid var(--ink);background:var(--ink);color:#fff;font:500 15px var(--font);text-decoration:none;cursor:pointer;transition:background-color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease)}
.btn:hover{background:#1f2937;border-color:#1f2937}
.btn:active{transform:scale(.98)}
.btn.ghost{background:var(--card);border-color:var(--line-strong);color:var(--ink)}
.btn.ghost:hover{background:var(--raised)}
.btn.sm{height:36px;padding:0 16px;font-size:14px;border-radius:8px}
.btn.light{background:var(--on-night);border-color:var(--on-night);color:var(--night)}
.btn.light:hover{background:#fff;border-color:#fff}
.more{font-size:15px;font-weight:500;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line-strong);padding-bottom:2px;transition:border-color .15s var(--ease)}
.more:hover{border-color:var(--accent)}
.row{display:flex;gap:8px;flex-wrap:wrap}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* 메뉴 */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:rgba(245,247,250,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;gap:32px;height:64px}
.logo{font-weight:600;font-size:17px;color:var(--ink);letter-spacing:.02em}
nav{display:flex;gap:28px;margin-left:auto;font-size:15px}
nav a{color:var(--text);text-decoration:none;transition:color .15s var(--ease)}
nav a:hover{color:var(--ink)}

/* 첫 화면 — 글은 왼쪽, 아래에 편집실 모니터 */
.hero{padding-block:72px 0}
.hero .head{margin-bottom:48px}
.hero .side p{font-size:18px;line-height:30px;max-width:26em}
.monitor{background:var(--night);border-radius:20px;padding:8px;box-shadow:0 8px 24px rgba(17,24,39,.08);animation:rise .5s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.monitor{animation:none}}
.screen{position:relative;border-radius:12px;overflow:hidden;background:#000;aspect-ratio:16/9}
.screen video{width:100%;height:100%;object-fit:cover}
.rec{position:absolute;left:16px;top:16px;display:flex;align-items:center;gap:8px;font-size:13px;line-height:20px;color:#fff;background:rgba(11,13,20,.6);padding:4px 10px;border-radius:6px}
.rec i{width:8px;height:8px;border-radius:50%;background:var(--accent-on-dark)}
.timeline{padding:12px 8px 8px}
.ruler{height:12px;margin-bottom:8px;background:repeating-linear-gradient(90deg,var(--night-line) 0 1px,transparent 1px 16px);border-bottom:1px solid var(--night-line)}
.clips{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px}
.clips button{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;align-items:center;height:56px;padding:4px;border:1px solid var(--night-line);border-radius:8px;background:var(--night-card);color:var(--on-night-2);font:400 14px var(--font);text-align:left;cursor:pointer;overflow:hidden;transition:background-color .15s var(--ease),color .15s var(--ease)}
.clips button img{height:46px;aspect-ratio:16/9;object-fit:cover;border-radius:4px}
.clips button span{display:grid;line-height:18px;min-width:0}
.clips button b{font-weight:500;color:var(--on-night);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.clips button small{font-size:12px}
.clips button:hover{background:var(--night-raised)}
.clips button[aria-selected="true"]{background:var(--night-raised);box-shadow:inset 0 1px 0 rgba(255,255,255,.12)}
.clips button[aria-selected="true"]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--accent-on-dark)}
.partners{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 40px;padding-block:32px 0;font-size:15px;color:var(--mute)}
.partners b{font-weight:500;color:var(--text)}

/* 한 흐름 */
.tabs{display:flex;gap:32px;border-bottom:1px solid var(--line);margin-bottom:32px;overflow-x:auto}
.tabs button{height:48px;padding:0;border:0;border-bottom:2px solid transparent;background:none;font:500 16px var(--font);color:var(--mute);cursor:pointer;white-space:nowrap;transition:color .15s var(--ease),border-color .15s var(--ease)}
.tabs button:hover{color:var(--ink)}
.tabs button[aria-selected="true"]{color:var(--ink);border-color:var(--accent)}
.stage{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:center}
.stage .txt{display:grid;gap:16px;min-width:0}
.stage .txt h3{font-size:28px;line-height:1.3;letter-spacing:-.01em}
.stage li{padding:12px 0;border-top:1px solid var(--line);font-size:15px;color:var(--ink)}
.stage li:last-child{border-bottom:1px solid var(--line)}
.trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.trio video{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:12px;background:#000}
.figs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:64px;border-top:1px solid var(--line-strong)}
.fig{padding:24px 24px 0 0;display:grid;gap:4px}
.fig+.fig{padding-left:24px;border-left:1px solid var(--line)}
.fig span{font-size:14px;line-height:20px;color:var(--mute)}
.fig strong{font-size:44px;line-height:1.1;font-weight:500;color:var(--ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.fig em{font-style:normal;font-size:14px;line-height:20px;color:var(--text)}
.note{font-size:13px;line-height:20px;color:var(--mute);margin-top:24px}

/* 사례 */
.case{padding-top:0}
.case:first-of-type{padding-top:96px}
.split{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:16px}
.shot{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:grid;align-content:start;min-width:0}
.shot video,.shot img{width:100%;object-fit:cover;background:#000}
.shot .r169{aspect-ratio:16/9}.shot .r45{aspect-ratio:4/5}.shot .r1610{aspect-ratio:16/10}
.shot .pad{padding:24px;display:grid;gap:8px}
.shot p{font-size:15px;line-height:24px}
.shot .dur{font-size:13px;line-height:20px;color:var(--mute);font-variant-numeric:tabular-nums}
.lead-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:16px}
.lead-row .say{background:var(--raised);border-radius:16px;padding:32px;display:grid;gap:12px;align-content:center;justify-items:start}
.lead-row .say h3{font-size:24px;line-height:1.35}
.lead-row video{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;background:#000;border-radius:16px}
.cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:16px}
.cols.text{gap:32px;margin-top:40px}
.point{border-top:1px solid var(--line-strong);padding-top:20px;display:grid;gap:8px;align-content:start}
.point p{font-size:15px;line-height:24px}
.point .step{font-size:14px;line-height:20px;color:var(--accent);font-weight:500}

/* 화면 가득 영상 */
.full{position:relative;padding:0;min-height:min(720px,52vw);display:grid;align-items:end;overflow:hidden;background:var(--night)}
.full video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.full::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,20,0) 30%,rgba(11,13,20,.85))}
.full .in{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:end;padding-block:64px}
.full h2{color:#fff;font-size:52px;line-height:1.16;letter-spacing:-.03em}
.full .side{display:grid;gap:16px;justify-items:start}
.full p{color:var(--on-night);font-size:17px;line-height:28px}

/* 도입 절차 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}

/* 에이전트 — 표처럼 한 줄씩 */
.band{background:var(--card);border-block:1px solid var(--line)}
.agents{border-top:1px solid var(--line-strong)}
.agents li{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,5fr) minmax(0,4fr);gap:32px;align-items:baseline;padding:20px 0;border-bottom:1px solid var(--line)}
.agents b{font-size:20px;line-height:28px;font-weight:600;color:var(--ink)}
.agents b small{display:block;font-size:13px;line-height:20px;font-weight:400;color:var(--mute)}
.agents p{font-size:15px;line-height:24px}
.agents span{font-size:14px;line-height:22px;color:var(--mute)}

/* 후기 */
.quotes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;border-top:1px solid var(--line-strong)}
.quote{padding:28px 0;border-bottom:1px solid var(--line);display:grid;gap:12px;align-content:start}
.quote blockquote{margin:0;font-size:20px;line-height:32px;color:var(--ink);font-weight:500}
.quote figcaption{font-size:14px;line-height:20px;color:var(--mute)}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq details:first-child{border-top:1px solid var(--line-strong)}
.faq summary{font-size:18px;line-height:28px;font-weight:500;color:var(--ink);cursor:pointer}
.faq p{margin-top:8px;font-size:15px;line-height:24px}

/* 마지막 */
.last{background:var(--night);color:var(--on-night-2)}
.last .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:64px;align-items:start}
.last h2{color:var(--on-night)}
.last ul{margin-top:32px;border-top:1px solid var(--night-line)}
.last li{padding:14px 0;border-bottom:1px solid var(--night-line);font-size:16px;color:var(--on-night)}
form{background:var(--card);border-radius:16px;padding:32px;display:grid;grid-template-columns:1fr 1fr;gap:16px;color:var(--ink)}
form label{display:grid;gap:8px;font-size:14px;line-height:20px;font-weight:500;min-width:0}
form .fullw{grid-column:1/-1}
input,select,textarea{width:100%;height:44px;border:1px solid var(--line-strong);border-radius:8px;padding:0 12px;font:400 16px var(--font);color:var(--ink);background:var(--card);transition:border-color .15s var(--ease)}
input:hover,select:hover,textarea:hover{border-color:var(--mute)}
textarea{height:112px;padding:10px 12px;resize:vertical}
#sent,.reach{grid-column:1/-1;font-size:14px;line-height:22px;color:var(--mute)}
.reach a{color:var(--ink)}
[hidden]{display:none!important}
footer{background:#07080d;color:var(--on-night-2);padding-block:48px;font-size:13px;line-height:22px}
footer .logo{color:var(--on-night);display:block;margin-bottom:12px}

@media (max-width:1000px){.steps{grid-template-columns:1fr 1fr}.clips{grid-template-columns:repeat(5,minmax(168px,1fr));overflow-x:auto}}
@media (max-width:760px){
  body{font-size:15px} h1{font-size:36px;letter-spacing:-.02em} h2,.full h2{font-size:28px} h3{font-size:18px}
  section{padding-block:56px} .case:first-of-type{padding-top:56px} .hero{padding-block:40px 0}
  nav{display:none} header .wrap{height:56px} header .btn{margin-left:auto}
  .head,.stage,.split,.lead-row,.cols,.figs,.full .in,.quotes,.faq-grid,.last .wrap{grid-template-columns:1fr}
  .head{gap:20px;margin-bottom:28px} .stage{gap:28px} .stage .txt h3{font-size:22px}
  .figs{margin-top:40px} .fig,.fig+.fig{padding:20px 0;border-left:0;border-bottom:1px solid var(--line)} .fig strong{font-size:36px}
  .cols.text{gap:24px;margin-top:28px} .steps{grid-template-columns:1fr;gap:24px}
  .agents li{grid-template-columns:1fr;gap:8px} .full{min-height:440px} .full .in{gap:20px;padding-block:40px}
  .quote blockquote{font-size:17px;line-height:28px} .last .wrap{gap:32px} form{grid-template-columns:1fr;padding:20px}
  .monitor{border-radius:16px;padding:6px} .screen{border-radius:10px} .tabs{gap:24px}
}