/* Re:Class 학습자 페이지 — 어두운 숲색 머리 + 밝은 본문, 라임 포인트. 배너와 같은 색·글꼴 */
:root{
  --ink:#0c1a12; --ink2:#34423a; --muted:#5f6d64; --line:#dbe4dd; --paper:#ffffff; --mist:#f1f6f2; --page:#f6f9f6;
  --dark:#0b1710; --dark2:#12261a; --card:#173323; --lime:#b8f26b; --green:#13843f; --green-soft:#e3f4e8; --warn:#fff4d6;
  --sans:'Pretendard','Noto Sans KR',system-ui,-apple-system,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  --mono:'Space Mono',ui-monospace,Menlo,monospace;
  color-scheme:light;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--page);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;word-break:keep-all;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{text-wrap:balance}
p,li,span{text-wrap:pretty}
a{color:inherit}
img{max-width:100%;display:block;height:auto}
.wrap{width:100%;max-width:1104px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:4px}

/* 상단 바 — 내리면 숨고 올리면 보임 */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--dark)}
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(11,23,16,.9);backdrop-filter:blur(10px);color:#fff;transition:transform .3s ease}
.bar.hide{transform:translateY(-110%)}
.bar .wrap{display:flex;align-items:center;gap:12px;height:60px}
.logo{font-family:var(--mono);font-weight:700;font-size:21px;letter-spacing:-.02em;text-decoration:none;color:#fff}
.logo b{color:var(--lime)}
.bar .co{font-size:14px;font-weight:600;color:#cfe9d5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bar .sp{flex:1}
.btn{position:relative;display:inline-flex;align-items:center;gap:6px;font:inherit;font-weight:800;text-decoration:none;color:var(--dark);background:var(--lime);border:0;border-radius:12px;padding:13px 22px;cursor:pointer;white-space:nowrap;transition:transform .15s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(184,242,107,.35)}
.btn.sm{font-size:14px;padding:8px 14px;border-radius:9px}
.btn.ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(207,233,213,.55)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--lime)}
.btn.dark{background:var(--dark);color:var(--lime);margin-top:18px}
.btn.pulse::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:0 0 0 0 rgba(184,242,107,.55);animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(184,242,107,.5)}70%{box-shadow:0 0 0 16px rgba(184,242,107,0)}100%{box-shadow:0 0 0 0 rgba(184,242,107,0)}}

/* 머리 */
.hero{position:relative;overflow:hidden;color:#fff;background:linear-gradient(160deg,var(--dark2),var(--dark) 70%)}
.glow{position:absolute;inset:-30% -10% auto auto;width:900px;height:900px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle at 50% 50%,rgba(47,138,60,.55),rgba(21,68,35,.25) 35%,transparent 62%);animation:drift 14s ease-in-out infinite alternate}
.hero::after{content:"";position:absolute;right:-180px;top:-180px;width:560px;height:560px;border-radius:50%;pointer-events:none;
  background:repeating-radial-gradient(circle,rgba(184,242,107,.13) 0 1px,transparent 1px 16px);animation:spin 90s linear infinite}
@keyframes drift{from{transform:translate(0,0)}to{transform:translate(-120px,80px)}}
@keyframes spin{to{transform:rotate(360deg)}}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-block:72px 64px}
.hero .wrap > *{min-width:0}
.ep{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--lime)}
.ep i{font-style:normal;font-weight:800;color:var(--dark);background:var(--lime);border-radius:5px;padding:2px 9px}
.hero h1{margin-top:16px;font-size:clamp(36px,5.4vw,60px);line-height:1.16;font-weight:900;letter-spacing:-.045em}
.hero h1 em{font-style:normal;color:var(--lime);background:linear-gradient(90deg,var(--lime),#e4ffb8,var(--lime));background-size:200% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:shine 4s linear infinite}
@keyframes shine{to{background-position:-200% 0}}
.hero .sub{margin-top:18px;font-size:clamp(17px,2vw,20px);line-height:1.6;color:#d6e6db}
.hero .acts{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px}
.hero .acts .btn{font-size:17px;padding:15px 24px}
.hint{display:none;margin-top:12px;font-size:14px;color:#cfe0d4}
body.nocompany .hint{display:block}
.stats{margin-top:36px;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(207,233,213,.2);padding-top:22px;max-width:520px}
.stats div{padding:0 14px;border-left:1px solid rgba(207,233,213,.2)}
.stats div:first-child{padding-left:0;border-left:0}
.stats strong{display:block;font-size:clamp(32px,4vw,46px);font-weight:900;letter-spacing:-.04em;line-height:1;color:var(--lime);font-variant-numeric:tabular-nums}
.stats > div > span{display:block;margin-top:8px;font-size:14px;line-height:1.4;color:#cfe0d4;font-weight:600}

/* 첫 화면 들어오는 순서 (투명에서 시작하지 않음) */
.js .in,html:not(.js-off):not(.calm) .in{animation:rise .7s cubic-bezier(.2,.7,.2,1) both;animation-delay:calc(var(--d,0) * .12s)}
@keyframes rise{from{transform:translateY(18px);opacity:.25}to{transform:none;opacity:1}}

/* 에이전트 실행 패널 */
.agent{background:rgba(9,20,13,.86);border:1px solid rgba(184,242,107,.25);border-radius:18px;padding:18px;box-shadow:0 30px 80px rgba(0,0,0,.45),0 0 0 1px rgba(184,242,107,.06) inset;backdrop-filter:blur(6px)}
.agent-top{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;color:#cfe0d4}
.agent-top b{color:#fff}
.dots{display:flex;gap:5px}.dots i{width:9px;height:9px;border-radius:50%;background:#2f4a39}
.dots i:first-child{background:#e46a5c}.dots i:nth-child(2){background:#e0b14a}.dots i:nth-child(3){background:var(--lime)}
.live{margin-left:auto;font-size:12px;color:var(--lime);display:flex;align-items:center;gap:6px}
.live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);animation:blink 1.2s ease-in-out infinite}
.live.done::before{animation:none}
@keyframes blink{50%{opacity:.25}}
.graph{list-style:none;margin-top:16px;display:grid;gap:8px;position:relative}
.graph li{position:relative;display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center;padding:9px 12px;border-radius:11px;background:rgba(23,51,35,.55);border:1px solid transparent;transition:background .3s,border-color .3s,transform .3s}
.graph li:not(:last-child)::after{content:"";position:absolute;left:61px;bottom:-10px;width:2px;height:10px;background:#2a4634}   /* 노드(폭 100px) 가운데 */
.graph .node{font-size:14px;font-weight:800;color:#d6e6db;width:100px;white-space:nowrap;text-align:center;padding:4px 10px;border-radius:999px;background:#0f2016;border:1px solid #2a4634;transition:all .3s}
.graph small{font-family:var(--mono);font-size:12.5px;color:#9fb6a6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.graph li.on{background:rgba(47,138,60,.28);border-color:rgba(184,242,107,.55)}
.graph li.on .node{background:var(--lime);color:var(--dark);border-color:var(--lime);box-shadow:0 0 18px rgba(184,242,107,.55)}
.graph li.on small{color:#e7f0ea}
.graph li.ok .node{color:var(--lime);border-color:rgba(184,242,107,.6)}
.graph li.ok .node::after{content:" ✓"}
.log{margin-top:14px;min-height:76px;font-family:var(--mono);font-size:12.5px;line-height:1.6;color:#b5ccbd;background:#071009;border-radius:10px;padding:10px 12px;white-space:pre-wrap;overflow:hidden}
.log b{color:var(--lime);font-weight:400}
.log .cur{display:inline-block;width:7px;height:14px;background:var(--lime);vertical-align:-2px;animation:blink 1s steps(1) infinite}
.agent-cap{margin-top:10px;font-size:12.5px;color:#7f9688}

/* 절 */
section.s{padding-block:76px}
section.s.alt{background:var(--paper)}
.eyebrow{font-family:var(--mono);font-weight:700;font-size:13px;color:var(--green);letter-spacing:.1em}
h2{margin-top:8px;font-size:clamp(27px,3.4vw,38px);line-height:1.3;font-weight:900;letter-spacing:-.035em}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px}
.grid2 > *{min-width:0}

/* 스크롤하면 살짝 떠오름 (모양만 움직이고 글자는 늘 보임) */
html:not(.js-off):not(.calm) .rv{transform:translateY(26px);transition:transform .7s cubic-bezier(.2,.7,.2,1),box-shadow .3s}
html:not(.js-off):not(.calm) .rv.seen{transform:none}

/* 대상 강의 */
.course-sec{padding-block:56px 64px}
.course{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;padding:24px;border-radius:20px;background:var(--paper);border:1px solid var(--line);box-shadow:0 20px 50px rgba(12,26,18,.08)}
.course > *{min-width:0}
.course img{border-radius:14px;width:100%}
.course h2{font-size:clamp(23px,2.8vw,30px)}
.course .rm{color:var(--green);white-space:nowrap}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.facts span{font-size:15px;font-weight:600;color:var(--ink2);background:var(--mist);border-radius:8px;padding:6px 11px}
.facts b{color:var(--ink)}
.warn{margin-top:16px;display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:12px;background:var(--warn);color:#4d3700;font-size:15.5px;line-height:1.55}
.warn i{flex:none;font-style:normal;width:26px;height:26px;border-radius:50%;background:#e0a100;color:#fff;font-weight:800;display:grid;place-items:center;font-size:15px}
.warn b{color:#2e2000}

/* 고민 카드 */
.note{margin-top:18px;padding:16px 18px;border-left:4px solid var(--green);background:var(--green-soft);border-radius:0 12px 12px 0;font-size:16px;max-width:760px}
.note small{display:block;margin-top:2px;font-size:13px;color:var(--muted)}
.pain{padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--paper)}
.pain:hover{box-shadow:0 14px 34px rgba(12,26,18,.09);border-color:#bfe2c9}
.pain .q{font-size:16px;color:var(--muted)}
.pain .q::before{content:"“";color:var(--green);font-weight:900;margin-right:2px}
.pain .a{margin-top:8px;display:flex;gap:10px;align-items:baseline}
.pain .a::before{content:"→";font-weight:900;color:var(--green);font-size:19px}
.pain b{display:block;font-size:19px;font-weight:800;line-height:1.4}
.pain small{display:block;margin-top:4px;font-family:var(--mono);font-size:12.5px;color:var(--green)}

/* 원작 */
.org{margin-top:28px;display:grid;grid-template-columns:1.2fr .8fr;gap:14px}
.org > *{min-width:0}
.org .box{border-radius:18px;overflow:hidden;background:var(--dark);color:#fff}
.org .badges{display:flex;gap:8px;padding:22px 24px 0}
.org .badges span{font-size:13px;font-weight:800;color:var(--dark);background:var(--lime);border-radius:5px;padding:3px 9px}
.org .badges span.alt{background:#f2c94c}
.org .t{padding:10px 24px 0;font-size:17px;font-weight:700}
.org .nums{display:grid;grid-template-columns:repeat(3,1fr);padding:18px 12px 22px}
.org .nums div{padding:0 12px;border-left:1px solid #24402f}
.org .nums div:first-child{border-left:0}
.org .nums strong{display:block;font-size:clamp(28px,3.6vw,40px);font-weight:900;letter-spacing:-.03em;color:var(--lime);font-variant-numeric:tabular-nums}
.org .nums div > span{display:block;margin-top:4px;font-size:13.5px;line-height:1.4;color:#b5ccbd}
.org .bridge{padding:18px 24px;background:var(--green-soft);color:var(--ink);font-size:16px}
.org .bridge b{color:var(--green)}
.side{display:grid;gap:14px;align-content:start}
.orig{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--paper)}
.orig img{width:64px;height:64px;border-radius:50%;object-fit:cover}
.orig small{font-size:13px;font-weight:800;color:var(--green)}
.orig b{display:block;font-size:19px;font-weight:800}
.orig span{display:block;font-size:14.5px;color:var(--ink2);line-height:1.5}
.trend{padding:20px;border-radius:16px;background:var(--mist);display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center}
.trend strong{font-size:48px;font-weight:900;letter-spacing:-.04em;color:var(--green);line-height:1}
.trend p{font-size:15.5px;line-height:1.55}
.trend small{display:block;margin-top:2px;font-size:12.5px;color:var(--muted)}

/* 2주 */
.weeks{margin-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.wk{padding:22px;border-radius:16px;background:var(--mist)}
.wk .w{font-size:14px;font-weight:800;color:var(--green)}
.wk b{display:block;margin-top:4px;font-size:20px;font-weight:800}
.wk p{margin-top:6px;font-size:15.5px;color:var(--muted)}
.bar2{margin-top:14px;height:8px;border-radius:99px;background:#dbe8de;overflow:hidden}
.bar2 i{display:block;height:100%;width:var(--w);border-radius:inherit;background:linear-gradient(90deg,var(--green),#5cc46e)}
html:not(.js-off):not(.calm) .rv .bar2 i{width:0;transition:width 1.4s cubic-bezier(.2,.7,.2,1) .2s}
html:not(.js-off):not(.calm) .rv.seen .bar2 i{width:var(--w)}
.rule{margin-top:14px;display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;padding:22px 24px;border:2px solid var(--green);border-radius:16px;background:var(--green-soft)}
.rule strong{font-size:32px;font-weight:900;color:var(--green);letter-spacing:-.03em;white-space:nowrap}
.rule p{font-size:17px}
.rule .nd{grid-column:1/-1;padding-top:14px;border-top:1px dashed #9fcfae;font-size:16px;color:var(--ink2)}
.rule .nd b{color:var(--green);margin-right:6px}

/* 강사 */
.star{margin-top:28px;display:grid;grid-template-columns:200px 1fr;gap:28px;padding:28px;border-radius:20px;background:var(--dark);color:#fff;position:relative;overflow:hidden}
.star > *{min-width:0}
.star::after{content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(47,138,60,.45),transparent 65%);pointer-events:none}
.star .pf{width:200px;height:264px;border-radius:14px;background:url(/img/c_6318779_a9cc_4.jpg) no-repeat;background-size:857px auto;background-position:-66px -71px;box-shadow:0 0 0 2px var(--lime),0 0 30px rgba(184,242,107,.25)}
.star small{font-size:14px;font-weight:800;color:var(--lime)}
.star h3{margin-top:4px;font-size:34px;font-weight:900;letter-spacing:-.03em}
.star .tl{margin-top:6px;font-size:17px;color:#d6e6db}
.star ul{list-style:none;margin-top:16px;display:grid;gap:8px}
.star li{position:relative;padding-left:16px;font-size:16px;color:#e7f0ea}
.star li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--lime)}
.star .nums{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;position:relative;z-index:1}
.star .nums div{padding:16px;border-radius:14px;background:var(--card)}
.star .nums strong{display:block;font-size:26px;font-weight:900;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.star .nums div > span{display:block;margin-top:4px;font-size:13.5px;line-height:1.4;color:#b5ccbd}
.more{margin-top:24px}
.more h3{font-size:17px;font-weight:800;color:var(--ink2)}
.more .row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:12px}
.more .row div{font-size:14.5px;line-height:1.4;font-weight:600;color:var(--ink2)}
.more img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;margin-bottom:8px;border:1px solid var(--line);transition:transform .25s}
.more .row div:hover img{transform:scale(1.03)}

/* 혜택 */
.gift{display:grid;grid-template-columns:60px 1fr;gap:18px;padding:24px;border-radius:18px;background:var(--dark);color:#fff}
.gift .ic{width:60px;height:60px;border-radius:50%;background:var(--card);display:grid;place-items:center;box-shadow:0 0 0 0 rgba(184,242,107,.4);animation:ring 3s ease-out infinite}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(184,242,107,.35)}80%,100%{box-shadow:0 0 0 14px rgba(184,242,107,0)}}
.gift .who{font-size:14px;font-weight:800;color:var(--lime)}
.gift h3{margin-top:4px;font-size:22px;font-weight:800;letter-spacing:-.02em}
.gift p{margin-top:8px;font-size:16px;color:#c9dacf}
.flow{margin-top:14px;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;counter-reset:f}
.flow div{counter-increment:f;padding:16px;border-radius:14px;background:var(--mist);font-size:15px;line-height:1.5}
.flow div::before{content:counter(f);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--green);color:#fff;font-weight:800;font-size:14px;margin-bottom:8px}
.flow b{display:block;font-size:16px}

/* 일정 */
.dates{margin-top:28px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.dates div{padding:18px;border-top:4px solid var(--green);background:var(--paper);border-radius:0 0 14px 14px}
.dates b{display:block;font-size:26px;font-weight:900;font-variant-numeric:tabular-nums}
.dates span{display:block;margin-top:4px;font-size:15.5px;color:var(--ink2)}

/* FAQ */
.faq{margin-top:24px;display:grid;gap:10px;max-width:820px}
.faq details{border:1px solid var(--line);border-radius:14px;background:var(--paper)}
.faq summary{cursor:pointer;list-style:none;padding:16px 18px;font-size:17px;font-weight:700;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--green);font-weight:900;font-size:22px;line-height:1;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 18px 16px;font-size:16px;color:var(--ink2)}

/* 마무리 */
.cta{position:relative;overflow:hidden;padding-block:84px;color:#fff;text-align:center;background:linear-gradient(160deg,var(--dark2),var(--dark))}
.cta .glow{inset:auto auto -60% 50%;transform:translateX(-50%)}
.cta .wrap{position:relative;z-index:1}
.cta h2{color:#fff}
.cta p{margin-top:12px;font-size:17px;color:#c9dacf}
.cta .btn{margin-top:26px;font-size:19px;padding:17px 30px}
.cta small{display:block;margin-top:14px;font-size:14px;color:#9fb6a6}
footer{padding-block:28px 40px;background:var(--dark);color:#7f9688;font-size:13px;text-align:center}

/* 반응형 */
@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:36px;padding-block:44px 48px}
  .org,.course{grid-template-columns:1fr}
  .more .row{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  section.s{padding-block:54px}
  .grid2,.weeks{grid-template-columns:1fr}
  .bar .co{display:none}
  .course{padding:16px}
  .star{grid-template-columns:1fr;padding:22px}
  .star .pf{width:150px;height:198px;background-size:643px auto;background-position:-50px -53px}
  .star .nums{gap:8px}
  .star .nums div{padding:12px 10px}
  .star .nums strong{font-size:19px}
  .rule{grid-template-columns:1fr;gap:6px}
  .dates{grid-template-columns:1fr 1fr}
  .gift{grid-template-columns:1fr;gap:12px}
  .graph small{white-space:normal}
}
/* 움직임 줄이기 설정 */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
html.calm *{animation:none!important}

/* ── 떠다니는 효과 · 빛나는 테두리 · 그라데이션 ───────── */
.stage{position:relative;padding:18px 6px}
.stage .agent{position:relative;animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
/* 패널 테두리를 따라 도는 빛 */
.stage .agent::before{content:"";position:absolute;inset:-1px;border-radius:19px;padding:1px;pointer-events:none;
  background:conic-gradient(from var(--a,0deg),transparent 0 60%,rgba(184,242,107,.9) 75%,transparent 90%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:orbit 5s linear infinite}
@property --a{syntax:'<angle>';inherits:false;initial-value:0deg}
@keyframes orbit{to{--a:360deg}}
.chip{position:absolute;z-index:2;font-family:var(--mono);font-size:12.5px;font-weight:700;color:var(--dark);background:linear-gradient(135deg,#d9ff9e,var(--lime));
  border-radius:999px;padding:5px 12px;box-shadow:0 8px 24px rgba(184,242,107,.35);white-space:nowrap}
.chip.f1{left:-14px;top:4px;animation:bob 5s ease-in-out infinite}
.chip.f2{right:-10px;top:38%;animation:bob 6s ease-in-out .8s infinite}
.chip.f3{right:24%;top:-4px;background:linear-gradient(135deg,#ffffff,#d4f5dc);animation:bob 7s ease-in-out .3s infinite}
.chip.f4{right:6px;bottom:-4px;background:linear-gradient(135deg,#f6e27a,#f2c94c);animation:bob 5.5s ease-in-out 1.2s infinite}
@keyframes bob{0%,100%{transform:translate(0,0) rotate(-2deg)}50%{transform:translate(4px,-12px) rotate(2deg)}}
/* 제목 두 줄째 그라데이션은 위에서. 절 제목 밑줄 빛 */
section.s h2{position:relative;display:inline-block}
section.s h2::after{content:"";position:absolute;left:0;bottom:-6px;height:4px;width:46px;border-radius:9px;background:linear-gradient(90deg,var(--green),#7fd68f,var(--lime))}
/* 카드 빛 */
.pain,.wk,.flow div,.dates div,.orig,.trend{transition:transform .25s,box-shadow .25s}
.pain:hover,.wk:hover,.flow div:hover,.dates div:hover,.orig:hover{transform:translateY(-4px)}
.gift{position:relative;overflow:hidden;background:radial-gradient(120% 140% at 100% 0%,#1d4a2b 0%,var(--dark) 55%)}
.gift::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 35%,rgba(184,242,107,.12) 50%,transparent 65%);transform:translateX(-100%);animation:sweep 5s ease-in-out infinite;pointer-events:none}
@keyframes sweep{0%,55%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.org .box{background:radial-gradient(120% 120% at 0% 0%,#1d4a2b 0%,var(--dark) 55%)}
.rule{background:linear-gradient(135deg,#e9f8ec,#f4fff0)}
.course{background:linear-gradient(var(--paper),var(--paper)) padding-box,linear-gradient(135deg,#bfe2c9,#e9f6dc,#bfe2c9) border-box;border:1.5px solid transparent}
.btn:not(.ghost):not(.dark){background:linear-gradient(135deg,#d6ff9a,var(--lime) 55%,#9be04f)}
/* 좁은 화면: 네 귀퉁이에 하나씩 (겹치지 않게) */
@media (max-width:640px){.chip.f1{left:0;top:2px}.chip.f3{left:auto;right:0;top:2px}.chip.f2{left:0;right:auto;top:auto;bottom:-2px}.chip.f4{right:0;bottom:-2px}}

/* ── RAG 체험 ───────────────────────────────────────── */
section.s.rag{position:relative;overflow:hidden;color:#fff;background:radial-gradient(60% 50% at 100% 0%,rgba(47,138,60,.55),transparent 62%),radial-gradient(50% 45% at 0% 100%,rgba(47,138,60,.35),transparent 62%),linear-gradient(165deg,var(--dark2),var(--dark) 60%)}
.rag .eyebrow{color:var(--lime)}
.rag h2{color:#fff}
.rag-lead{margin-top:18px;font-size:clamp(17px,2vw,19px);line-height:1.6;color:#d6e6db;max-width:640px}
.rag-lead b{color:var(--lime)}
.rag-q{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px}
.rq{font:inherit;font-size:15px;font-weight:700;color:#e7f0ea;background:rgba(23,51,35,.7);border:1px solid #2f5a3d;border-radius:999px;padding:9px 16px;cursor:pointer;transition:all .2s}
.rq:hover{border-color:var(--lime);color:#fff}
.rq.on{color:var(--dark);background:linear-gradient(135deg,#e2ffb2,var(--lime));border-color:var(--lime);box-shadow:0 0 22px rgba(184,242,107,.45)}
.rag-ask{margin-top:10px;display:flex;gap:8px;max-width:560px}
.rag-ask input{flex:1;min-width:0;font:inherit;font-size:15px;color:#fff;background:rgba(7,16,9,.7);border:1px solid #2f5a3d;border-radius:10px;padding:9px 14px}
.rag-ask input::placeholder{color:#7f9888}
.rag-ask input:focus{outline:2px solid var(--lime);border-color:var(--lime)}
.rag-steps{list-style:none;margin-top:26px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.rag-steps li{display:flex;align-items:center;gap:7px;font-size:14px;font-weight:800;color:#8fa898;padding:6px 12px 6px 7px;border-radius:999px;background:rgba(15,32,22,.8);border:1px solid #24402f;transition:all .3s}
.rag-steps li b{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;font-size:12px;background:#24402f;color:#cfe0d4}
.rag-steps li:not(:last-child)::after{content:"";width:14px;height:2px;margin-left:8px;margin-right:-12px;background:#2f5a3d}
.rag-steps li.ok{color:var(--lime);border-color:rgba(184,242,107,.45)}
.rag-steps li.ok b{background:var(--lime);color:var(--dark)}
.rag-steps li.on{color:var(--dark);background:linear-gradient(135deg,#e2ffb2,var(--lime));border-color:var(--lime);box-shadow:0 0 22px rgba(184,242,107,.55)}
.rag-steps li.on b{background:var(--dark);color:var(--lime)}
.rag-box{margin-top:18px;display:grid;grid-template-columns:1.3fr 1fr;gap:18px;align-items:start}
.rag-box > *{min-width:0}
.rag-cap{font-size:14px;font-weight:800;color:#cfe0d4;margin-bottom:10px}
.rag-cap small{font-weight:600;color:#8fa898;margin-left:6px}
.docs{list-style:none;display:grid;grid-template-columns:1fr 1fr;grid-auto-rows:1fr;gap:10px}
.doc{position:relative;display:flex;flex-direction:column;padding:13px 14px 12px;border-radius:12px;background:rgba(15,32,22,.85);border:1px solid #24402f;transition:opacity .35s,border-color .35s,box-shadow .35s,transform .35s}
.doc-t{font-size:15px;font-weight:800;color:#fff;display:flex;justify-content:space-between;gap:6px;align-items:baseline}
.doc-t em{font-style:normal;font-size:12px;font-weight:800;white-space:nowrap}
.doc small{display:block;font-size:12px;color:#8fa898;margin-top:1px}
.doc-x{margin-top:6px;font-size:13px;line-height:1.5;color:#b5ccbd;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.doc-s{margin-top:auto;padding-top:9px;display:flex;align-items:center;gap:8px}
.sbar{flex:1;height:6px;border-radius:9px;background:#0a160f;overflow:hidden}
.sbar i{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,#3f8f4f,var(--lime));transition:width .8s cubic-bezier(.2,.7,.2,1)}
.doc-s b{min-width:22px;text-align:right;font-family:var(--mono);font-size:12px;color:#cfe0d4;font-variant-numeric:tabular-nums}
.doc.dim{opacity:.45}
.doc.hit{border-color:rgba(184,242,107,.5)}
.doc.keep{border-color:var(--lime);box-shadow:0 0 0 1px var(--lime),0 0 28px rgba(184,242,107,.3);transform:translateY(-3px)}
.doc.keep em{color:var(--lime)}
.doc.drop{opacity:.7;border-color:#7a3a33;border-style:dashed}
.doc.drop em{color:#ff9d8f}
.doc.drop .doc-x{text-decoration:line-through;text-decoration-color:rgba(255,157,143,.6)}
.rag-ans{display:grid;gap:10px}
.ans{padding:16px 18px;border-radius:14px;min-height:122px}
.ans-h{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#8fa898}
.ans-h span{font-size:14px;font-weight:900;border-radius:6px;padding:2px 9px}
.ans-t{margin-top:10px;font-size:16.5px;line-height:1.6;min-height:3.2em}
.ans.no{position:relative;background:rgba(15,32,22,.6);border:1px dashed #3d5546}
.ans.no .ans-h span{background:#2a3a31;color:#cfd8d2}
.ans.no .ans-t{color:#b5c2ba}
.ans.no[data-tag]::after{content:attr(data-tag);position:absolute;top:14px;right:14px;font-size:12px;font-weight:800;color:#ffb4a8;background:rgba(122,58,51,.45);border-radius:999px;padding:2px 10px}
.ans.yes{background:linear-gradient(160deg,rgba(40,90,52,.55),rgba(15,32,22,.9));border:1px solid var(--lime);box-shadow:0 0 36px rgba(184,242,107,.18)}
.ans.yes .ans-h span{background:var(--lime);color:var(--dark)}
.ans.yes .ans-t{color:#fff;font-weight:700}
.ans-src{margin-top:8px;font-size:13px;font-weight:700;color:var(--lime);min-height:1.4em}
.ans-t.typing::after{content:"▍";color:var(--lime);animation:blink 1s steps(2) infinite}   /* 글자로 그려서 줄 높이가 흔들리지 않게 */
.rag-foot{margin-top:18px;font-size:14.5px;line-height:1.6;color:#b5ccbd;max-width:760px}
.rag-foot b{color:#fff}
.rag-foot span{display:inline-block;margin-left:6px;font-family:var(--mono);font-size:12px;font-weight:700;color:var(--dark);background:var(--lime);border-radius:5px;padding:1px 8px}
@media (max-width:900px){.rag-box{grid-template-columns:1fr}}
@media (max-width:640px){
  .rq{font-size:14px;padding:8px 13px}
  .docs{gap:8px}
  .doc{padding:11px 11px 10px}
  .doc-t{flex-direction:column;gap:0;font-size:14px}
  .doc-t em{display:block;min-height:1.5em}   /* 표시가 없어도 자리를 잡아 카드끼리 줄이 맞게 */
  .doc-x{display:none}
  .rag-steps li:not(:last-child)::after{display:none}
  .ans.no[data-tag]::after{position:static;display:inline-block;margin-top:10px}
  .ans-t{min-height:4.8em}   /* 좁은 화면은 3줄 자리를 미리 잡아 글이 써질 때 아래가 밀리지 않게 */
}