/* ============================================================
   AIwake in Jeju — Editorial Deck
   스틸블루 매트 위 흰 슬라이드 · 제주 풍경 챕터 그리드 · 네러티브 스크롤
   ============================================================ */
:root{
  --matte:#7E94AE;        /* 바깥 매트 (스틸 블루) */
  --slide:#F7F7F4;        /* 슬라이드 종이 */
  --slide-2:#FFFFFF;
  --ink:#20242A;
  --ink-2:#4A525B;
  --grey:#9AA4AE;         /* 투톤 헤드라인의 옅은 쪽 */
  --mut:#7C868F;
  --hair:#E2E4E1;
  --blue:#5B7FA6;         /* 액센트 */
  --blue-deep:#3F5F84;
  --cell:#7C97B8;         /* 하이라이트 셀 */
  --max:1200px;
  --pad:clamp(28px,4.5vw,64px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--matte); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Pretendard","Noto Sans KR",system-ui,sans-serif;
  font-size:16.5px; line-height:1.75; letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
  padding:clamp(10px,1.6vw,20px);
}
img{max-width:100%; display:block}
a{color:inherit}

/* ---------- deck / slides ---------- */
.slide{
  background:var(--slide); border-radius:16px; overflow:hidden;
  max-width:1560px; margin:0 auto clamp(10px,1.6vw,20px);
  padding:clamp(48px,6.5vw,96px) var(--pad);
  scroll-margin-top:16px;
}
.slide.flush{padding:0}
.slide.white{background:var(--slide-2)}
.slide-in{max-width:var(--max); margin:0 auto}

/* ---------- type ---------- */
h1,h2,h3{margin:0; font-weight:600; letter-spacing:-.03em; line-height:1.22; word-break:keep-all; overflow-wrap:break-word}
h1,h2{text-wrap:balance}
h2{font-size:clamp(27px,3.8vw,46px)}
h2 em,h1 em{font-style:normal; color:var(--grey); font-weight:inherit}
h3{font-size:clamp(17.5px,2vw,21px); font-weight:700; letter-spacing:-.024em}
p,li,dd{text-wrap:pretty}
.lead{font-size:clamp(16.5px,1.9vw,19px); color:var(--ink-2); line-height:1.85; word-break:keep-all; overflow-wrap:break-word; font-weight:400}
.sm{font-size:14px; color:var(--mut); line-height:1.72}
.xs{font-size:12.5px; color:var(--mut); line-height:1.66}
.micro{font-size:11px; font-weight:700; letter-spacing:.14em; text-transform:uppercase; color:var(--mut)}
strong{font-weight:700}
em.hl{font-style:normal; color:var(--blue-deep); font-weight:700}

/* 챕터 헤더: 필 + 화살표 + 투톤 헤드라인 */
.chap{display:flex; align-items:center; gap:10px; margin-bottom:clamp(22px,3vw,34px)}
.pill{display:inline-flex; align-items:center; background:var(--ink); color:#fff; border-radius:999px; padding:8px 18px; font-size:13px; font-weight:700; letter-spacing:-.01em; white-space:nowrap}
.pill.lt{background:transparent; border:1px solid var(--ink); color:var(--ink)}
.circ{width:34px; height:34px; border:1px solid var(--ink); border-radius:50%; display:inline-flex; align-items:center; justify-content:center; font-size:15px; flex:none}
.sec-head{margin-bottom:clamp(30px,4vw,50px)}

/* 리빌 */
.rv{opacity:0; transform:translateY(26px); transition:opacity .7s ease, transform .7s ease}
.rv.in{opacity:1; transform:none}
@media (prefers-reduced-motion: reduce){.rv{opacity:1; transform:none; transition:none}}

/* 슬라이드 하단 '다음' 링크 */
.next{
  margin-top:clamp(40px,5vw,64px); padding-top:22px; border-top:1px solid var(--hair);
  display:flex; justify-content:flex-end;
}
.next a{
  display:inline-flex; align-items:center; gap:12px; text-decoration:none;
  font-weight:600; font-size:15px; color:var(--mut); transition:color .15s;
}
.next a b{color:var(--ink); font-weight:700}
.next a .circ{border-color:var(--hair); color:var(--ink); transition:all .15s}
.next a:hover{color:var(--ink)}
.next a:hover .circ{background:var(--ink); color:#fff; border-color:var(--ink)}

/* ---------- top bar (floating pill) ---------- */
.nav{
  position:sticky; top:clamp(10px,1.6vw,20px); z-index:80;
  max-width:1560px; margin:0 auto clamp(10px,1.6vw,20px);
}
.nav-in{
  background:rgba(255,255,255,.92); backdrop-filter:blur(12px);
  border-radius:999px; padding:10px 12px 10px 24px; display:flex; align-items:center; justify-content:space-between; gap:16px;
  box-shadow:0 8px 30px rgba(32,42,58,.14);
}
.brand{font-weight:800; letter-spacing:-.03em; font-size:16.5px; white-space:nowrap; text-decoration:none}
.brand span{color:var(--mut); font-weight:500; margin-left:8px; font-size:13px}
.nav-links{display:flex; gap:20px; font-size:13.5px; font-weight:600; align-items:center; color:var(--ink-2)}
.nav-links a{text-decoration:none; white-space:nowrap}
.nav-links a:hover{color:var(--blue-deep)}
@media(max-width:900px){.nav-links a:not(.keep)~a:not(.keep){}.nav-links a.hidem{display:none}}
.btn{
  display:inline-block; background:var(--ink); color:#fff; text-decoration:none; font-weight:700; font-size:14px;
  padding:11px 22px; border-radius:999px; border:1.5px solid var(--ink); white-space:nowrap; cursor:pointer; font-family:inherit;
  transition:background .15s, color .15s, border-color .15s;
}
.btn:hover{background:var(--blue-deep); border-color:var(--blue-deep)}
.btn-lg{font-size:16px; padding:15px 32px}
.btn-ghost{background:transparent; color:var(--ink)}
.btn-ghost:hover{background:var(--ink); color:#fff}
.btn-sm{font-size:13px; padding:8px 17px}

/* ---------- hero ---------- */
.hero{position:relative; min-height:min(92vh,940px); display:flex; flex-direction:column; border-radius:16px; overflow:hidden}
.hero-bg{position:absolute; inset:0}
.hero-bg img{width:100%; height:100%; object-fit:cover; filter:saturate(.5) brightness(.92) contrast(1.02)}
.hero-bg::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(63,86,115,.66) 0%, rgba(84,106,133,.38) 45%, rgba(50,70,96,.62) 100%);
}
.hero-top{
  position:relative; z-index:2; display:flex; justify-content:space-between; align-items:center; gap:16px;
  padding:clamp(22px,3vw,34px) var(--pad) 0; color:#fff;
}
.hero-top .t-brand{font-weight:800; font-size:17px; letter-spacing:-.02em}
.hero-top .t-meta{font-size:13px; font-weight:600; letter-spacing:.02em; color:rgba(255,255,255,.85); text-align:right}
.hero-mid{position:relative; z-index:2; flex:1; display:flex; flex-direction:column; justify-content:center; padding:clamp(36px,5vw,64px) var(--pad); color:#fff}
.hero-mid .k{display:inline-flex; align-items:center; gap:8px; margin-bottom:20px}
.hero-mid .k .pill{background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.4); backdrop-filter:blur(6px)}
.hero-mid h1{font-size:clamp(30px,4.6vw,56px); font-weight:600; letter-spacing:-.032em; line-height:1.28; max-width:24ch; color:#fff; text-wrap:balance; text-shadow:0 2px 30px rgba(20,32,48,.35)}
.hero-mid h1 em{color:rgba(255,255,255,.62)}
.hero-mid .sub{margin-top:18px; font-size:clamp(15px,1.7vw,17.5px); color:rgba(255,255,255,.86); max-width:52ch; word-break:keep-all; line-height:1.8}

/* 챕터 카드 그리드 (사진 위) */
.chapters{position:relative; z-index:2; display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid rgba(255,255,255,.34)}
@media(max-width:760px){.chapters{grid-template-columns:1fr 1fr}}
.chapters a{
  position:relative; display:flex; flex-direction:column; justify-content:flex-end; gap:6px;
  min-height:clamp(120px,15vw,170px); padding:20px 24px; text-decoration:none; color:#fff;
  border-right:1px solid rgba(255,255,255,.34); border-bottom:1px solid rgba(255,255,255,.34);
  transition:background .2s ease;
}
.chapters a:nth-child(3n){border-right:0}
@media(max-width:760px){.chapters a:nth-child(3n){border-right:1px solid rgba(255,255,255,.34)} .chapters a:nth-child(2n){border-right:0}}
.chapters a:hover{background:rgba(255,255,255,.16)}
.chapters .no{font-size:11.5px; font-weight:700; letter-spacing:.16em; color:rgba(255,255,255,.72)}
.chapters .en{font-size:clamp(17px,1.9vw,23px); font-weight:700; letter-spacing:.045em; text-transform:uppercase; line-height:1.15; text-shadow:0 1px 18px rgba(20,32,48,.4)}
.chapters .kr{font-size:13px; font-weight:500; color:rgba(255,255,255,.82)}
.chapters .arr{position:absolute; top:16px; right:18px; width:28px; height:28px; border:1px solid rgba(255,255,255,.55); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:13px; opacity:0; transform:translateY(4px); transition:all .2s}
.chapters a:hover .arr{opacity:1; transform:none}

/* ---------- 넘버드 리스트 (사유) ---------- */
.numlist{border-top:1px solid var(--ink)}
.numrow{display:grid; grid-template-columns:88px 1fr; gap:24px; padding:30px 0; border-bottom:1px solid var(--hair); align-items:start}
@media(max-width:640px){.numrow{grid-template-columns:1fr; gap:8px}}
.numrow .n{font-size:15px; font-weight:600; color:var(--mut); padding-top:4px}
.numrow h3{margin-bottom:8px}
.numrow p{margin:0; color:var(--ink-2); font-size:15px; line-height:1.8}

/* ---------- 성숙도 스트립 (레퍼런스의 4단계) ---------- */
.stages{display:grid; grid-template-columns:repeat(4,1fr); border:1px solid var(--hair); background:var(--slide-2); border-radius:12px; overflow:hidden}
@media(max-width:820px){.stages{grid-template-columns:1fr 1fr}}
.stage{padding:26px 24px 30px; border-right:1px solid var(--hair); display:flex; flex-direction:column; min-height:230px}
.stage:last-child{border-right:0}
@media(max-width:820px){.stage:nth-child(2){border-right:0}.stage:nth-child(-n+2){border-bottom:1px solid var(--hair)}}
.stage .lv{font-size:11px; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--mut); margin-bottom:auto; padding-bottom:34px}
.stage h3{font-weight:700; margin-bottom:8px}
.stage p{margin:0; font-size:13.5px; color:var(--mut); line-height:1.7}
.stage.hot{background:var(--cell); color:#fff}
.stage.hot .lv{color:rgba(255,255,255,.75)}
.stage.hot h3{color:#fff}
.stage.hot p{color:rgba(255,255,255,.9)}
.stage.hot ul{margin:12px 0 0; padding:0; list-style:none; display:grid; gap:6px}
.stage.hot li{font-size:12.5px; line-height:1.6; color:rgba(255,255,255,.92); padding-left:14px; position:relative}
.stage.hot li::before{content:"·"; position:absolute; left:0; font-weight:800}

/* ---------- 인용 박스 ---------- */
.q-box{margin-top:46px; background:var(--slide-2); border:1px solid var(--hair); border-radius:12px; padding:clamp(28px,3.6vw,40px)}
.q-box p{margin:0; font-size:clamp(19px,2.4vw,25px); font-weight:600; letter-spacing:-.03em; line-height:1.55; word-break:keep-all}
.q-box p em{font-style:normal; color:var(--grey)}
.talk-link{display:inline-flex; align-items:center; gap:10px; margin-top:20px; font-size:14px; font-weight:700; color:var(--blue-deep); text-decoration:none}
.talk-link .circ{width:26px; height:26px; font-size:12px; border-color:var(--blue-deep); color:var(--blue-deep)}
.talk-link:hover{text-decoration:underline}

/* ---------- 표 ---------- */
.table-scroll{overflow-x:auto; -webkit-overflow-scrolling:touch}
table{border-collapse:collapse; width:100%; min-width:540px; font-size:15px}
th,td{text-align:left; padding:15px 16px; border-bottom:1px solid var(--hair); vertical-align:top}
thead th{font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--mut); font-weight:700; border-bottom:1px solid var(--ink); padding-bottom:12px}
tbody th{font-weight:600; color:var(--mut); width:24%; font-size:14px}
td.hi{background:var(--slide-2); font-weight:600}
thead th.hi{color:var(--blue-deep)}
tr:last-child td,tr:last-child th{border-bottom:0}

/* ---------- 카드 ---------- */
.cards{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
.cards.c3{grid-template-columns:repeat(3,1fr)}
@media(max-width:860px){.cards.c3{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.cards,.cards.c3{grid-template-columns:1fr}}
.card{background:var(--slide-2); border:1px solid var(--hair); border-radius:12px; padding:30px 28px; transition:transform .2s ease, box-shadow .2s ease}
.card:hover{transform:translateY(-3px); box-shadow:0 14px 34px rgba(50,70,96,.1)}
.card .n{font-size:11px; font-weight:700; letter-spacing:.14em; color:var(--blue); display:block; margin-bottom:14px; text-transform:uppercase}
.card h3{margin-bottom:9px}
.card p{margin:0; color:var(--ink-2); font-size:14.5px; line-height:1.76}

/* ---------- proof ---------- */
.proof{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
@media(max-width:760px){.proof{grid-template-columns:1fr 1fr}}
.proof div{background:var(--slide-2); border:1px solid var(--hair); border-radius:12px; padding:26px 20px; text-align:center}
.proof .big{font-size:clamp(28px,4vw,40px); font-weight:700; letter-spacing:-.04em; line-height:1.05; color:var(--blue-deep)}
.proof .lbl{font-size:12px; color:var(--mut); margin-top:9px; font-weight:600}

/* ---------- 리뷰 ---------- */
.rev-head{display:flex; justify-content:space-between; align-items:flex-end; gap:20px; flex-wrap:wrap; margin-bottom:clamp(24px,3.4vw,40px)}
.revs{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
@media(max-width:900px){.revs{grid-template-columns:1fr}}
.rev{background:var(--slide-2); border:1px solid var(--hair); border-radius:12px; padding:30px 28px; display:flex; flex-direction:column; gap:14px}
.rev .stars{color:var(--blue); font-size:13px; letter-spacing:3px}
.rev p{margin:0; font-size:15.5px; line-height:1.82; color:var(--ink-2); font-weight:500; word-break:keep-all}
.rev .who{margin-top:auto; padding-top:14px; border-top:1px solid var(--hair); font-size:12.5px; color:var(--mut); line-height:1.7}
.rev .who b{color:var(--ink); font-weight:700}
.rev.ph{background:repeating-linear-gradient(135deg,#F2F3F0,#F2F3F0 10px,#EBECE8 10px,#EBECE8 20px); border-style:dashed}
.rev.ph p{color:var(--mut); font-style:italic; font-size:13.5px}
.rev-cta{margin-top:24px; display:flex; align-items:center; gap:16px; flex-wrap:wrap}

/* ---------- 커리큘럼 ---------- */
.curri{display:grid; gap:14px}
.cday{background:var(--slide-2); border:1px solid var(--hair); border-radius:12px; overflow:hidden}
.cday-h{display:flex; align-items:baseline; gap:14px; flex-wrap:wrap; padding:20px 28px; border-bottom:1px solid var(--hair)}
.cday-h .d{font-weight:700; font-size:17.5px; letter-spacing:-.02em}
.cday-h .d small{color:var(--blue-deep); font-size:12.5px; font-weight:600; margin-left:9px}
.cday-h .t{margin-left:auto; font-size:11.5px; letter-spacing:.1em; color:var(--mut); text-transform:uppercase; font-weight:700}
.cmod{display:grid; grid-template-columns:118px 1fr; gap:18px; padding:18px 28px; border-bottom:1px solid var(--hair)}
.cmod:last-child{border-bottom:0}
@media(max-width:640px){.cmod{grid-template-columns:1fr; gap:3px}}
.cmod .tm{font-size:12.5px; color:var(--mut); font-weight:600; padding-top:3px; font-variant-numeric:tabular-nums}
.cmod .mt{font-weight:700; letter-spacing:-.02em; font-size:15.5px}
.cmod .mt .tag{display:inline-block; font-size:10.5px; font-weight:700; letter-spacing:.08em; color:#fff; background:var(--blue); border-radius:999px; padding:2px 10px; margin-left:9px; vertical-align:2px; text-transform:uppercase}
.cmod .md{color:var(--ink-2); font-size:14px; line-height:1.74; margin-top:5px}
.cmod.dim .mt{font-weight:500; color:var(--mut)}

/* ---------- 갤러리 ---------- */
.gal{display:grid; grid-template-columns:1.55fr 1fr; gap:14px}
.gal-side{display:grid; gap:14px}
.gal figure{margin:0; border-radius:12px; overflow:hidden; position:relative; background:#20242A}
.gal img{width:100%; height:100%; object-fit:cover; filter:saturate(.55) brightness(.96); transition:filter .5s ease, transform .6s ease}
.gal figure:hover img{filter:none; transform:scale(1.015)}
.gal .big img{aspect-ratio:4/3}
.gal .sm-img img{aspect-ratio:16/11}
.gal figcaption{position:absolute; left:14px; bottom:14px; background:rgba(255,255,255,.92); color:var(--ink); border-radius:999px; font-size:12px; font-weight:600; padding:7px 15px}
@media(max-width:760px){.gal{grid-template-columns:1fr}}

.spec{display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:14px}
@media(max-width:760px){.spec{grid-template-columns:1fr 1fr}}
.spec div{background:var(--slide-2); border:1px solid var(--hair); border-radius:12px; padding:20px}
.spec dt{font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--mut); font-weight:700; margin-bottom:7px}
.spec dd{margin:0; font-weight:700; font-size:16.5px; letter-spacing:-.02em}
.spec dd small{display:block; font-weight:500; font-size:12.5px; color:var(--mut); margin-top:3px}

.only-us{margin-top:clamp(30px,4vw,44px); background:var(--cell); color:#fff; border-radius:12px; padding:clamp(28px,3.6vw,40px)}
.only-us h3{color:#fff; margin-bottom:10px}
.only-us p{margin:0; font-size:15.5px; line-height:1.85; color:rgba(255,255,255,.92); word-break:keep-all}
.only-us p strong{color:#fff}

/* ---------- 가격 ---------- */
.save{background:var(--slide-2); border:1px solid var(--hair); border-radius:12px; overflow:hidden}
.save table{min-width:500px}
.save th,.save td{padding:17px 24px}
.save tbody th{width:32%; color:var(--ink-2); font-weight:600; font-size:14.5px}
.save td{text-align:right; font-variant-numeric:tabular-nums}
.save td.was{color:var(--mut)}
.save thead th{text-align:right}
.save thead th:first-child{text-align:left}
.save tfoot td,.save tfoot th{border-top:1px solid var(--ink); font-size:17px; font-weight:700; padding-top:20px; padding-bottom:20px}
.save tfoot td.was{text-decoration:line-through; font-weight:500}
.save tfoot td.hi{color:var(--blue-deep); font-weight:800}
.save-badge{display:flex; align-items:center; gap:14px; flex-wrap:wrap; background:var(--blue-deep); color:#fff; padding:18px 24px}
.save-badge .amt{font-size:clamp(19px,2.6vw,24px); font-weight:700; letter-spacing:-.02em}
.save-badge .txt{font-size:13px; color:rgba(255,255,255,.75); font-weight:500}

.price-card{background:var(--slide-2); border:1px solid var(--hair); border-radius:12px; overflow:hidden; margin-top:14px}
.price-top{padding:clamp(28px,3.6vw,40px); border-bottom:1px solid var(--hair); display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap}
.price-fee{display:flex; align-items:baseline; gap:12px}
.price-fee .num{font-size:clamp(38px,5.4vw,56px); font-weight:700; letter-spacing:-.045em; line-height:1}
.price-fee .unit{font-size:16.5px; font-weight:600; color:var(--mut)}
.early{display:inline-flex; align-items:center; background:var(--blue); color:#fff; padding:11px 20px; font-weight:700; font-size:14.5px; border-radius:999px}
.incl{padding:clamp(24px,3.2vw,34px) clamp(28px,3.6vw,40px)}
.incl ul{margin:12px 0 0; padding:0; list-style:none; display:grid; gap:9px}
.incl li{padding-left:26px; position:relative; font-size:14.5px; color:var(--ink-2)}
.incl li::before{content:"✓"; position:absolute; left:0; color:var(--blue); font-weight:800}
.foot-note{font-size:12.5px; color:var(--mut); line-height:1.72; margin-top:18px; border-top:1px solid var(--hair); padding-top:16px}

/* ---------- fit ---------- */
.fit{display:grid; grid-template-columns:1fr 1fr; gap:14px}
@media(max-width:760px){.fit{grid-template-columns:1fr}}
.fit-col{background:var(--slide-2); border:1px solid var(--hair); border-radius:12px; padding:32px 30px}
.fit-col h3{margin-bottom:18px}
.fit-col ul{margin:0; padding:0; list-style:none; display:grid; gap:12px}
.fit-col li{padding-left:26px; position:relative; color:var(--ink-2); font-size:14.5px; line-height:1.72}
.yes li::before{content:"○"; position:absolute; left:0; color:var(--blue); font-weight:800; font-size:12px; top:3px}
.no li::before{content:"×"; position:absolute; left:0; color:#B0656A; font-weight:800; top:0}
.cohort{margin-top:14px; padding:32px 34px; background:var(--blue-deep); color:#fff; border-radius:12px}
.cohort p{margin:0; font-size:clamp(16.5px,1.9vw,18.5px); line-height:1.78; word-break:keep-all; color:rgba(255,255,255,.92)}
.cohort p+p{margin-top:12px}
.cohort b{color:#fff}

/* ---------- faq ---------- */
details{border-bottom:1px solid var(--hair)}
details summary{cursor:pointer; list-style:none; padding:19px 44px 19px 0; font-weight:600; letter-spacing:-.02em; font-size:15.5px; position:relative}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+"; position:absolute; right:4px; top:13px; font-size:22px; font-weight:300; color:var(--mut); transition:transform .18s ease}
details[open] summary::after{transform:rotate(45deg)}
details .a{padding:0 44px 22px 0; color:var(--ink-2); font-size:14.5px; line-height:1.8; margin:0}
.faq-wrap{border-top:1px solid var(--ink)}

/* ---------- form ---------- */
.f-grid{display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:38px}
.f-grid .full{grid-column:1/-1}
@media(max-width:700px){.f-grid{grid-template-columns:1fr}}
label{display:block; font-size:11.5px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--mut); margin-bottom:8px}
label .req{color:var(--blue-deep)}
input[type=text],input[type=email],input[type=tel],input[type=password],select,textarea{
  width:100%; background:var(--slide-2); border:1px solid #D4D7D2; color:var(--ink); border-radius:10px;
  padding:13px 15px; font-size:15px; font-family:inherit; letter-spacing:-.01em; -webkit-appearance:none}
textarea{min-height:106px; resize:vertical; line-height:1.68}
input:focus,select:focus,textarea:focus{outline:0; border-color:var(--blue); box-shadow:0 0 0 3px rgba(91,127,166,.16)}
input::placeholder,textarea::placeholder{color:#ADB3B0}
.check{display:flex; gap:12px; align-items:flex-start; margin-top:4px}
.check input{margin-top:4px; accent-color:var(--blue-deep); width:16px; height:16px}
.check label{margin:0; font-weight:500; color:var(--ink-2); font-size:13.5px; line-height:1.6; letter-spacing:-.01em; text-transform:none}
.form-note{margin-top:22px; font-size:12.5px; color:var(--mut); line-height:1.75}

/* ---------- modal ---------- */
.modal{position:fixed; inset:0; z-index:200; display:none; align-items:center; justify-content:center; padding:20px; background:rgba(38,50,66,.58); backdrop-filter:blur(5px)}
.modal.open{display:flex}
.modal-box{background:var(--slide); border-radius:16px; width:100%; max-width:520px; max-height:88vh; overflow:auto; padding:clamp(26px,4vw,38px); box-shadow:0 30px 80px rgba(20,30,44,.4)}
.modal-box h3{margin-bottom:10px}
.modal-x{float:right; background:0; border:0; font-size:26px; line-height:1; color:var(--mut); cursor:pointer; padding:0 0 0 12px}
.gate-err{color:#B0656A; font-size:13px; font-weight:700; margin:10px 0 0; display:none}
.gate-err.on{display:block}

/* ---------- footer ---------- */
.foot{
  max-width:1560px; margin:0 auto; padding:clamp(20px,3vw,32px) var(--pad);
  color:rgba(255,255,255,.85); font-size:12.5px; line-height:1.9;
  display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap;
}
.foot b{color:#fff; font-weight:700}
.foot a{color:#fff}

.devbar{
  max-width:1560px; margin:0 auto clamp(10px,1.6vw,20px); border-radius:12px;
  background:rgba(32,40,52,.85); color:#D8DEE6; font-size:12px; padding:9px 18px; text-align:center; line-height:1.6;
}
.devbar b{color:#fff}

/* ============================================================
   Overlay deck — index 전용 (body.ov)
   제주 배경 상시 고정 · 챕터 클릭 → PPT식 슬라이드 오버레이
   ============================================================ */
body.ov{padding:0; overflow-x:hidden}
body.ov.viewing{overflow:hidden}

.ov .hero{min-height:100svh; margin:0; max-width:none; border-radius:0}

/* 배경 로테이션 — 이미지 스택 + 크로스페이드 */
.ov .hero-bg img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:0; transition:opacity 1.6s ease;
  filter:saturate(.5) brightness(.92) contrast(1.02);
}
.ov .hero-bg img.on{opacity:1}

/* 브랜드 서브라인 — AI 교육 캠프 명시 */
.t-brand small{
  display:block; font-size:12px; font-weight:600; letter-spacing:.01em;
  color:rgba(255,255,255,.75); margin-top:4px;
}

/* 커리큘럼 키워드 칩 — AI 정체성 */
.hero-kw{display:flex; flex-wrap:wrap; gap:8px; margin-top:24px}
.hero-kw span{
  border:1px solid rgba(255,255,255,.42); background:rgba(255,255,255,.09); backdrop-filter:blur(6px);
  border-radius:999px; padding:7px 16px; font-size:12.5px; font-weight:600; color:rgba(255,255,255,.92);
  white-space:nowrap;
}
@media(max-width:640px){.hero-kw span{font-size:11.5px; padding:6px 12px}}

/* 히어로 우상단 — 메타 + 기업 워크숍 필 */
.t-right{display:flex; flex-direction:column; align-items:flex-end; gap:12px}
.corp-pill{
  display:inline-flex; align-items:center; gap:6px;
  background:rgba(255,255,255,.13); border:1px solid rgba(255,255,255,.42); backdrop-filter:blur(8px);
  color:rgba(255,255,255,.88); border-radius:999px; padding:9px 18px;
  font-size:12.5px; font-weight:500; text-decoration:none; white-space:nowrap;
  transition:background .2s, color .2s;
}
.corp-pill b{font-weight:700; color:#fff}
.corp-pill:hover{background:rgba(255,255,255,.92); color:var(--ink)}
.corp-pill:hover b{color:var(--ink)}
@media(max-width:640px){.corp-pill{font-size:11.5px; padding:8px 14px}}

.hero-foot{
  position:relative; z-index:2; display:flex; justify-content:space-between; gap:10px 20px; flex-wrap:wrap;
  padding:13px var(--pad); border-top:1px solid rgba(255,255,255,.34);
  color:rgba(255,255,255,.62); font-size:11.5px; line-height:1.6;
}
.hero-foot b{color:rgba(255,255,255,.92); font-weight:700}
.hero-foot a{color:rgba(255,255,255,.85)}

.ov .foot{display:none}
.ov .devbar{
  position:fixed; left:12px; bottom:12px; z-index:60; margin:0; text-align:left;
  font-size:11px; opacity:.85; max-width:min(560px, calc(100vw - 24px)); pointer-events:none;
}

/* 챕터 = 숨김, 열리면 화면 위 슬라이드 패널 */
.ov .slide:not(.hero){display:none}
.ov .slide.open{
  display:block; position:fixed; z-index:120;
  top:clamp(12px,3vh,30px); bottom:clamp(12px,3vh,30px);
  left:50%; transform:translateX(-50%);
  width:min(1320px, calc(100vw - clamp(16px,5vw,72px)));
  margin:0; overflow:auto; overscroll-behavior:contain; -webkit-overflow-scrolling:touch;
  box-shadow:0 40px 120px rgba(12,22,36,.5);
  animation:panelUp .5s cubic-bezier(.22,.85,.3,1);
}
@keyframes panelUp{
  from{opacity:0; transform:translate(-50%,46px)}
  to{opacity:1; transform:translate(-50%,0)}
}
@media (prefers-reduced-motion: reduce){.ov .slide.open{animation:none}}

.veil{
  position:fixed; inset:0; z-index:100; background:rgba(28,40,56,.5); backdrop-filter:blur(4px);
  opacity:0; pointer-events:none; transition:opacity .3s;
}
.ov.viewing .veil{opacity:1; pointer-events:auto}

.pv-x{
  position:fixed; top:clamp(18px,4vh,38px); right:clamp(16px,3.5vw,44px); z-index:130;
  width:44px; height:44px; border-radius:50%; border:0; background:var(--ink); color:#fff;
  font-size:22px; line-height:1; cursor:pointer; display:none; align-items:center; justify-content:center;
  box-shadow:0 10px 30px rgba(12,22,36,.35); font-family:inherit;
}
.pv-x:hover{background:var(--blue-deep)}
.ov.viewing .pv-x{display:flex}

.pv-nav{
  position:fixed; right:clamp(16px,3.5vw,44px); bottom:clamp(16px,3.5vh,34px); z-index:130;
  display:none; align-items:center; gap:10px;
}
.ov.viewing .pv-nav{display:flex}
.pv-nav button{
  width:44px; height:44px; border-radius:50%; border:0; background:#fff; color:var(--ink);
  font-size:17px; cursor:pointer; box-shadow:0 10px 30px rgba(12,22,36,.3); font-family:inherit;
  transition:background .15s, color .15s;
}
.pv-nav button:hover{background:var(--ink); color:#fff}
.pv-count{
  background:rgba(255,255,255,.92); border-radius:999px; padding:9px 16px;
  font-size:12.5px; font-weight:700; letter-spacing:.08em; color:var(--ink); font-variant-numeric:tabular-nums;
}

/* ---------- 모바일 정리 ---------- */
@media(max-width:640px){
  .ov .devbar{display:none}
  .hero-top{flex-direction:column; align-items:flex-start; gap:14px}
  .t-right{flex-direction:column-reverse; align-items:flex-start; gap:10px}
  .t-meta{text-align:left}
  .hero-mid h1{font-size:clamp(27px,7.6vw,34px)}
  .hero-foot{flex-direction:column; gap:4px}
  .ov .slide.open{top:8px; bottom:8px; width:calc(100vw - 16px)}
  .pv-x{width:38px; height:38px; font-size:19px; top:16px; right:14px}
  .pv-nav{gap:8px; right:12px; bottom:12px}
  .pv-nav button{width:40px; height:40px; font-size:15px}
  .pv-count{padding:7px 12px; font-size:11px}
  .chapters a{min-height:104px; padding:14px 16px}
  .chapters .en{font-size:15.5px}
  .chapters .kr{font-size:11.5px}
  .stage{min-height:0; padding:20px 18px 24px}
  .stage .lv{padding-bottom:18px}
}

/* ---------- 레퍼런스 칩 ---------- */
.chips{display:flex; flex-wrap:wrap; gap:8px}
.chip{background:var(--slide-2); border:1px solid var(--hair); border-radius:999px; padding:8px 16px; font-size:13px; font-weight:600; color:var(--ink-2); white-space:nowrap}
.chip b{color:var(--blue-deep); font-weight:700}

/* ---------- ch3 스크롤텔링 : 용어의 벽 → 선 ---------- */
.sc-track{
  position:relative; margin:clamp(28px,3.5vw,44px) calc(var(--pad) * -1) 0;
  height:400svh;
}
.sc-stage{
  position:sticky; top:0; height:calc(100svh - 2*clamp(12px,3vh,30px));
  overflow:hidden; background:var(--slide-2);
  border-top:1px solid var(--hair); border-bottom:1px solid var(--hair);
}
.sc-sky{
  position:absolute; inset:0; opacity:0; will-change:opacity;
  background:linear-gradient(180deg,#D8E2EA 0%,#BFD0DE 55.7%,#7C97B8 56.3%,#5B7FA6 100%);
}
.sc-3d{position:absolute; inset:0; display:flex; align-items:center; justify-content:center; perspective:2400px}
.sc-wall{
  width:min(760px,86%); border-radius:4px;
  background:linear-gradient(180deg,#3D5266 0%,#2E4154 100%);
  box-shadow:0 28px 70px rgba(40,58,78,.38);
  padding:clamp(22px,3vw,38px) clamp(20px,3vw,40px);
  transform:rotateX(0deg); will-change:transform;
  transform-origin:center 60%;
}
.sc-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:clamp(10px,1.6vw,18px) clamp(18px,2.6vw,32px);
  will-change:opacity;
}
.sc-term{min-height:44px}
.sc-term b{
  display:block; font-size:clamp(14px,1.7vw,17.5px); font-weight:700; letter-spacing:-.01em;
  color:rgba(255,255,255,.34); transition:color .5s ease;
}
.sc-term small{
  display:block; margin-top:3px; font-size:clamp(11px,1.3vw,13px); line-height:1.5;
  color:rgba(255,255,255,0); transition:color .5s ease; word-break:keep-all;
}
.sc-term.on b{color:#fff}
.sc-term.on small{color:rgba(255,255,255,.78)}
.sc-caps{
  position:absolute; left:clamp(20px,3vw,44px); top:clamp(20px,3vw,40px);
  right:clamp(20px,3vw,44px); pointer-events:none;
}
.sc-cap{
  position:absolute; inset:0 auto auto 0; opacity:0; transition:opacity .6s ease;
  font-weight:700; font-size:clamp(16px,2vw,21px); letter-spacing:-.02em; color:var(--ink);
  word-break:keep-all;
}
.sc-cap.on{opacity:1}
.sc-cap small{
  display:block; margin-top:6px; font-weight:500; font-size:clamp(12.5px,1.5vw,14.5px);
  color:var(--ink-2); max-width:52ch; line-height:1.6;
}
.sc-cap[data-cap="2"], .sc-cap[data-cap="2"] small{color:#25313E}
.sc-scroll-hint{
  position:absolute; left:50%; bottom:clamp(14px,2vw,22px); transform:translateX(-50%);
  font-size:12.5px; font-weight:600; color:#5E6A78; letter-spacing:.02em;
  transition:opacity .5s ease; animation:scNudge 2.2s ease-in-out infinite;
}
.sc-scroll-hint.off{opacity:0}
@keyframes scNudge{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,6px)}}
@media (max-width:640px){
  .sc-stage{height:calc(100svh - 16px)}
  .sc-wall{width:92%; padding:18px 16px}
  .sc-grid{gap:8px 14px}
  .sc-term{min-height:40px}
  .sc-cap{font-size:15.5px}
  .sc-cap small{font-size:12px}
}

/* ---------- ch1 스토리 본문 : 단일 타이포 ---------- */
.story p{
  font-size:clamp(16.5px,1.9vw,19px); line-height:1.95; color:var(--ink-2);
  max-width:70ch; margin:0 0 clamp(22px,2.6vw,30px); word-break:keep-all; overflow-wrap:break-word;
}
.story p:last-child{margin-bottom:0}
.story strong{color:var(--ink); font-weight:700}

/* 페이스북 스크린샷 원본 */
.fb-shots{margin-top:clamp(34px,4vw,50px); max-width:660px}
.fb-shot{
  margin:0 0 14px; border:1px solid var(--hair); border-radius:14px; overflow:hidden;
  background:#fff; box-shadow:0 10px 34px rgba(32,42,58,.10);
}
.fb-shot img{width:100%; display:block}

/* ---------- ch1 프로필 카드 ---------- */
.prof{
  margin:clamp(26px,3.2vw,38px) 0 0; max-width:70ch;
  background:var(--slide-2); border:1px solid var(--hair); border-radius:14px;
  padding:clamp(22px,2.8vw,30px);
  display:flex; gap:clamp(18px,2.4vw,28px); align-items:flex-start;
}
.prof-photo{
  width:clamp(96px,12vw,136px); aspect-ratio:1; object-fit:cover; border-radius:12px; flex:none;
}
.prof-body{min-width:0; flex:1}
@media (max-width:560px){
  .prof{flex-direction:column}
  .prof-photo{width:96px}
}
.prof-name{font-size:clamp(16px,1.8vw,18.5px); font-weight:700; letter-spacing:-.02em; margin-bottom:14px}
.prof-name span{color:var(--mut); font-weight:600; font-size:.85em}
.prof-facts{list-style:none; margin:0; padding:0}
.prof-facts li{
  font-size:clamp(14px,1.55vw,15.5px); line-height:1.7; color:var(--ink-2); word-break:keep-all;
  padding:9px 0 9px 18px; position:relative; border-top:1px solid var(--hair);
}
.prof-facts li::before{content:"·"; position:absolute; left:4px; color:var(--blue-deep); font-weight:700}
.prof-facts b{color:var(--ink); font-weight:700}

/* ---------- ch1 덱 안내 CTA ---------- */
.deck-cta{
  display:flex; align-items:center; justify-content:space-between; gap:18px;
  margin-top:clamp(26px,3.2vw,38px); max-width:70ch;
  border:1px solid var(--hair); border-radius:14px; background:var(--slide-2);
  padding:clamp(18px,2.4vw,26px) clamp(20px,2.6vw,30px);
  text-decoration:none; transition:border-color .15s, box-shadow .15s;
}
.deck-cta:hover{border-color:var(--blue-deep); box-shadow:0 8px 26px rgba(32,42,58,.10)}
.deck-cta b{display:block; font-size:clamp(15.5px,1.7vw,17.5px); letter-spacing:-.02em; margin-bottom:4px}
.deck-cta span:not(.circ){font-size:clamp(13.5px,1.5vw,15px); color:var(--ink-2); word-break:keep-all; line-height:1.6}
.deck-cta .circ{flex:none; transition:all .15s}
.deck-cta:hover .circ{background:var(--ink); color:#fff; border-color:var(--ink)}

/* ch1: 가운데 정렬 읽기 컬럼 */
.slide-in.narrow{max-width:780px}
.slide-in.narrow .deck-cta,
.slide-in.narrow .prof,
.slide-in.narrow .story p{max-width:none}

/* narrow 컬럼에서 넓은 블록 재배치 (ch2) */
.slide-in.narrow .proof{grid-template-columns:repeat(2,1fr)}
.slide-in.narrow .revs{grid-template-columns:1fr}

/* ---------- ch2 로고월 ---------- */
.logo-wall{display:flex; flex-wrap:wrap; align-items:center; gap:clamp(18px,2.6vw,30px) clamp(22px,3vw,36px)}
.logo-wall img{
  height:clamp(24px,2.8vw,32px); width:auto; max-width:130px; object-fit:contain;
  filter:grayscale(1) contrast(1.15) brightness(.55) opacity(.8); transition:filter .2s ease;
}
.logo-wall img:hover{filter:none}
.logo-word{font-size:clamp(14px,1.7vw,17px); font-weight:800; letter-spacing:-.02em; color:#8A939D}

/* ---------- ch2 블로그 후기 리스트 ---------- */
.blog-list{display:flex; flex-direction:column; gap:10px}
.blog-list a{
  display:flex; align-items:center; gap:14px; text-decoration:none;
  border:1px solid var(--hair); border-radius:12px; background:var(--slide-2);
  padding:14px 18px; transition:border-color .15s, box-shadow .15s;
}
.blog-list a:hover{border-color:var(--blue-deep); box-shadow:0 6px 20px rgba(32,42,58,.08)}
.blog-list .d{
  flex:none; font-size:11.5px; font-weight:700; letter-spacing:.04em; color:var(--blue-deep);
  border:1px solid var(--blue-deep); border-radius:999px; padding:3px 10px;
}
.blog-list b{flex:1; font-size:clamp(14px,1.6vw,15.5px); font-weight:700; letter-spacing:-.02em; color:var(--ink); word-break:keep-all}
.blog-list .circ{flex:none; width:28px; height:28px; font-size:13px; border-color:var(--hair); transition:all .15s}
.blog-list a:hover .circ{background:var(--ink); color:#fff; border-color:var(--ink)}

/* ---------- ch3 리플로우 사진 스트립 ---------- */
.ph-strip{display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-top:clamp(22px,2.8vw,32px)}
.ph-strip img{width:100%; height:clamp(120px,14vw,170px); object-fit:cover; border-radius:12px}
@media (max-width:640px){.ph-strip{grid-template-columns:1fr 1fr} .ph-strip img:last-child{display:none}}

/* ---------- ch5 객실 스트립 ---------- */
.room-strip{display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin:14px 0 clamp(26px,3.2vw,38px)}
.room-strip figure{margin:0}
.room-strip img{width:100%; height:clamp(150px,17vw,210px); object-fit:cover; border-radius:12px; display:block}
.room-strip figcaption{font-size:12.5px; color:var(--mut); margin-top:8px; line-height:1.5; word-break:keep-all}
@media (max-width:640px){.room-strip{grid-template-columns:1fr}}

/* ---------- ch5 지원 행정 안내 ---------- */
.admin-note{
  margin-top:clamp(22px,2.8vw,32px); border:1px solid var(--hair); border-left:3px solid var(--blue-deep);
  border-radius:12px; background:var(--slide-2); padding:clamp(20px,2.6vw,28px);
}
.admin-note b{display:block; font-size:clamp(15px,1.7vw,17px); letter-spacing:-.02em; margin-bottom:10px}
.admin-note p{margin:0 0 10px; font-size:clamp(13.5px,1.5vw,15px); line-height:1.75; color:var(--ink-2); word-break:keep-all}
.admin-note ol{margin:0; padding-left:20px}
.admin-note li{font-size:clamp(13.5px,1.5vw,15px); line-height:1.75; color:var(--ink-2); word-break:keep-all; margin-bottom:6px}
.admin-note strong{color:var(--ink)}