/* 후기 벽 · 영상 줄 · 한마디 티커 · 라이트박스 */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 영상 줄 (인터뷰·변화 영상 한 줄에 모음) ---------- */
.video-row{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px;align-items:start;padding:10px 0 6px}
.vcard{display:block;margin:0;color:var(--ink);position:relative;min-width:0;
  background:var(--paper);padding:8px 8px 12px;border-radius:6px;box-shadow:0 8px 18px rgba(0,0,0,.28);
  transform:rotate(var(--vr,0deg))}
.vcard:nth-child(3n+1){--vr:-1.2deg}.vcard:nth-child(3n+2){--vr:.9deg}.vcard:nth-child(3n){--vr:-.5deg}
.vcard-media{position:relative;aspect-ratio:9/16;background:#10261c;border-radius:3px;overflow:hidden}
.vcard-media video{display:block;width:100%;height:100%;object-fit:cover;background:#10261c}
.vcard--sq .vcard-media video{object-fit:contain}
.vcard-dur{position:absolute;right:8px;top:8px;background:rgba(16,38,28,.82);color:var(--chalk);font-size:13px;line-height:1;
  padding:5px 8px;border-radius:99px;pointer-events:none;font-variant-numeric:tabular-nums}
.vcard-cap{display:flex;flex-direction:column;gap:2px;padding:10px 4px 0;text-align:left}
.vcard-kind{font-family:var(--font-hand);font-weight:700;font-size:20px;line-height:1;color:#3d7a5c}
.vcard-title{font-size:15px;line-height:1.4;font-weight:500;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;word-break:keep-all}
.vcard video:focus-visible{outline:3px solid var(--marker);outline-offset:-3px}
@media (max-width:1100px){.video-row{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:700px){
  .video-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 12px}
    .vcard-title{font-size:14px}
}
@media (prefers-reduced-motion:reduce){.vcard{transform:none}}

/* ---------- 한마디 티커 ---------- */
.ticker{overflow:hidden;position:relative;margin-top:calc(var(--cell)*1.5);padding:8px 0;max-width:100%;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.ticker-row{overflow:hidden;padding:10px 0}
.ticker-track{display:flex;width:max-content;animation:tick var(--dur,60s) linear infinite;will-change:transform}
.ticker-row--rev .ticker-track{animation-direction:reverse}
.ticker:hover .ticker-track,.ticker:focus-within .ticker-track,.ticker:focus .ticker-track{animation-play-state:paused}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.ticker-set{display:flex;gap:22px;padding-right:22px;margin:0;list-style:none}
.bubble{position:relative;flex:0 0 auto;max-width:min(78vw,440px);background:var(--paper);color:var(--ink);
  padding:12px 20px 13px;border-radius:22px;transform:rotate(var(--br,0deg));box-shadow:0 4px 0 rgba(0,0,0,.18)}
.bubble::after{content:"";position:absolute;left:26px;bottom:-9px;width:18px;height:18px;background:var(--paper);
  transform:rotate(45deg) skew(8deg,8deg);border-radius:0 0 5px 0}
.bubble-text{position:relative;z-index:1;display:block;font-family:var(--font-hand);font-weight:700;font-size:23px;line-height:1.3;white-space:normal;word-break:keep-all}
.ticker-row--rev .bubble::after{left:auto;right:26px}
.ticker--static{-webkit-mask-image:none;mask-image:none}
.ticker--static .ticker-track{animation:none;width:auto;flex-wrap:wrap}
.ticker--static .ticker-set{flex-wrap:wrap;justify-content:center;gap:22px 16px;padding:0}
@media (prefers-reduced-motion:reduce){
  .ticker{-webkit-mask-image:none;mask-image:none}
  .ticker-track{animation:none;width:auto;flex-wrap:wrap}
  .ticker-set{flex-wrap:wrap;justify-content:center;gap:22px 16px;padding:0}
  .ticker-set[aria-hidden="true"]{display:none}
  .ticker-set .bubble:nth-child(n+9){display:none}
}
@media (max-width:700px){.bubble-text{font-size:21px}}

/* ---------- 후기 벽 ---------- */
#reviews{overflow-x:clip}

.reviews-wall{max-width:none;margin:0 auto;padding:6px 0 10px}
.rgroup{margin:0 0 14px}
.rgroup-title{font-family:var(--font-hand);font-weight:700;font-size:clamp(28px,3.4vw,38px);line-height:1.1;color:var(--chalk);margin:18px 2px 6px;display:flex;align-items:baseline;gap:10px}
.rgroup-grid{column-gap:8px;columns:2;padding:10px 0 8px}
@media (min-width:481px){.rgroup-grid{columns:3}}
@media (min-width:769px){.rgroup-grid{columns:4;column-gap:9px}}
@media (min-width:1101px){.rgroup-grid{columns:5}}
.rperson{display:block;break-inside:avoid;-webkit-column-break-inside:avoid;page-break-inside:avoid}
.rperson>.rcard:last-child{margin-bottom:9px}
.rcard{appearance:none;display:block;width:100%;margin:0 0 9px;padding:5px;border:0;cursor:zoom-in;position:relative;
  break-inside:avoid;-webkit-column-break-inside:avoid;page-break-inside:avoid;
  background:var(--paper);border-radius:3px;box-shadow:0 2px 3px rgba(0,0,0,.25),0 8px 16px rgba(0,0,0,.22);
  transform:rotate(var(--r,0deg));transition:transform .18s ease,box-shadow .18s ease}
.rcard img{width:100%;height:auto;display:block;background:#e7e0cc;border-radius:1px}
.rcard:hover,.rcard:focus-visible{transform:rotate(0) scale(1.05);z-index:5;box-shadow:0 4px 6px rgba(0,0,0,.25),0 18px 34px rgba(0,0,0,.4)}
.rcard:focus-visible{outline:3px solid var(--marker);outline-offset:2px}
.rcard--kakao{background:#f7e87a;padding:4px}
.rcard--gift{background:#f6d9d2}
.rcard--change{background:#e9efe4}
.rcard.has-tape::before{content:"";position:absolute;left:50%;top:-13px;width:64px;height:24px;margin-left:-32px;z-index:2;pointer-events:none;
  color:rgba(242,220,107,.9);background:currentColor;transform:rotate(calc(var(--r,0deg)*-2));
  -webkit-mask:url("assets/doodles/tape.svg") center/contain no-repeat;mask:url("assets/doodles/tape.svg") center/contain no-repeat}
.rcard.has-heart::after{content:"";position:absolute;right:-8px;bottom:-9px;width:30px;height:30px;z-index:2;pointer-events:none;
  color:#ff8f8a;background:currentColor;transform:rotate(12deg);
  -webkit-mask:url("assets/doodles/heart-doodle.svg") center/contain no-repeat;mask:url("assets/doodles/heart-doodle.svg") center/contain no-repeat}
.reviews-empty{text-align:center;font-family:var(--font-hand);font-weight:700;font-size:28px;color:var(--marker);margin:30px auto 0;transform:rotate(-1deg)}
@media (prefers-reduced-motion:reduce){.rcard{transition:none}.rcard:hover,.rcard:focus-visible{transform:none}}
@media (max-width:480px){
  .reviews-wall{padding-inline:4px}
  .rgroup-grid{column-gap:7px}
  .rcard{margin-bottom:8px;padding:4px}
}

/* ---------- 라이트박스 ---------- */
.lightbox{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center}
.lightbox[hidden]{display:none}
.lb-back{position:absolute;inset:0;background:rgba(10,24,17,.92)}
.lb-stage{position:relative;margin:0;max-width:min(92vw,900px);max-height:100%;padding:56px 0 24px;display:flex;flex-direction:column;align-items:center;gap:12px;pointer-events:none}
.lb-img{pointer-events:auto;max-width:100%;max-height:calc(100vh - 150px);max-height:calc(100dvh - 150px);width:auto;height:auto;object-fit:contain;
  background:var(--paper);padding:6px;border-radius:4px;box-shadow:0 20px 50px rgba(0,0,0,.5);transition:opacity .15s}
.lb-img.is-loading{opacity:.35}
.lb-cap{pointer-events:auto;font-family:var(--font-hand);font-weight:700;font-size:24px;line-height:1.3;color:var(--chalk);text-align:center;padding-inline:60px}
.lb-num{position:absolute;left:18px;top:20px;color:var(--chalk-dim);font-size:15px;font-variant-numeric:tabular-nums}
.lb-btn{appearance:none;position:absolute;z-index:2;width:48px;height:48px;border-radius:50%;border:1.5px solid rgba(246,241,228,.6);
  background:rgba(31,74,55,.9);color:var(--chalk);font-size:28px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0}
.lb-btn:hover{background:var(--paper);color:var(--ink)}
.lb-btn[hidden]{display:none}
.lb-close{right:14px;top:12px;font-size:22px}
.lb-prev{left:12px;top:50%;margin-top:-24px}
.lb-next{right:12px;top:50%;margin-top:-24px}
@media (max-width:600px){
  .lb-stage{max-width:100vw;padding:60px 0 20px}
  .lb-img{max-width:calc(100vw - 20px)}
  .lb-prev,.lb-next{top:auto;bottom:14px;margin:0}
  .lb-prev{left:14px}.lb-next{right:14px}
  .lb-cap{padding-inline:70px;font-size:21px}
}

/* ---------- 수업 장면 띠 ---------- */
.class-strip{display:flex;gap:14px;overflow-x:auto;padding:22px 6px 20px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
.ccard{appearance:none;flex:0 0 auto;width:min(62vw,240px);margin:0;padding:6px 6px 10px;border:0;cursor:zoom-in;position:relative;scroll-snap-align:center;
  background:var(--paper);border-radius:3px;box-shadow:0 2px 3px rgba(0,0,0,.25),0 8px 16px rgba(0,0,0,.22);
  transform:rotate(var(--r,0deg));transition:transform .18s ease,box-shadow .18s ease}
.ccard img{width:100%;height:auto;aspect-ratio:9/16;object-fit:cover;display:block;background:#e7e0cc;border-radius:1px}
.ccard:hover,.ccard:focus-visible{transform:rotate(0) scale(1.04);z-index:5}
.ccard:focus-visible{outline:3px solid var(--marker);outline-offset:2px}
.ccard.has-tape::before{content:"";position:absolute;left:50%;top:-13px;width:64px;height:24px;margin-left:-32px;z-index:2;pointer-events:none;
  color:rgba(242,220,107,.9);background:currentColor;
  -webkit-mask:url("assets/doodles/tape.svg") center/contain no-repeat;mask:url("assets/doodles/tape.svg") center/contain no-repeat}
@media (min-width:1100px){.class-strip{display:grid;grid-template-columns:repeat(6,1fr);overflow:visible;gap:18px 14px}.ccard{width:auto}}
@media (prefers-reduced-motion:reduce){.ccard{transition:none}.ccard:hover,.ccard:focus-visible{transform:none}}

/* ---------- 형광펜 표시 ---------- */
.hlmarks{position:absolute;inset:5px;display:block;pointer-events:none;z-index:1}
.rcard--kakao .hlmarks{inset:4px}
@media (max-width:700px){.rcard .hlmarks{inset:4px}}
.hlmarks--lb{inset:auto;z-index:1}
.hlmarks[hidden]{display:none}
.hlmark{position:absolute;display:block;pointer-events:none;transform:rotate(var(--hr,0deg))}
.hlmark::after{content:"";position:absolute;left:-1%;right:-1%;bottom:16%;height:clamp(2px,15%,6px);border-radius:3px 6px 2px 5px;background:currentColor}
.hlmark--light{color:#e2412f}
.hlmark--dark{color:#f2dc6b}