/* =========================================================
   특강 · 행사 (programs.html) 전용 — sub-c-d.css 다음에 읽는다
   흐름: 포스터 상자 히어로(약 70vh) → 다가오는 일정 → 연간 캘린더(가운데 제목)
        → 대표 행사(왼쪽 제목 고정) → 겨울특강 안내문(좁은 종이) → D-day 마무리
   ========================================================= */

/* ---------- HERO: 연한 파랑 포스터 상자 ---------- */
.pp-hero{padding:var(--gnb) 0 0}
.pp-box{position:relative;overflow:hidden;isolation:isolate;margin:0 clamp(14px,1.6vw,24px);height:max(560px,calc(70vh - 10px));max-height:820px;border-radius:32px;background:var(--blue-l);display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);align-items:center;gap:clamp(24px,4vw,72px);padding:0 clamp(28px,4.6vw,80px)}
/* 상자 안 은은한 점선 원: 포스터 뒤 무대 */
.pp-box::before{content:"";position:absolute;z-index:-1;right:-6%;bottom:-38%;width:min(64vw,920px);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,#fff 0 38%,rgba(255,255,255,.55) 38.2% 54%,rgba(255,255,255,0) 54.2%);opacity:.75}
.pp-copy{position:relative;z-index:2;padding:clamp(28px,3vw,48px) 0}
.pp-kicker{display:flex;align-items:center;flex-wrap:wrap;gap:6px 14px;font-size:15px;font-weight:600;color:var(--sub)}
.pp-live{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:var(--blue)}
.pp-live::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 0 rgba(49,130,246,.5);animation:ppPulse 2.2s ease-out infinite}
@keyframes ppPulse{0%{box-shadow:0 0 0 0 rgba(49,130,246,.55)}70%,100%{box-shadow:0 0 0 10px rgba(49,130,246,0)}}
.pp-title{margin-top:18px;font-size:clamp(40px,5vw,78px);line-height:1.14;font-weight:800;letter-spacing:-.045em;color:var(--ink)}
.pp-title .g{color:var(--blue)}
.pp-desc{margin-top:20px;font-size:clamp(16px,1.2vw,18px);line-height:1.7;color:var(--sub);max-width:560px}
.pp-period{max-width:520px;margin:28px 0 30px}
.pp-period .pd-top{font-size:14px}
.pp-period .pd-top b{font-size:16px}
.pp-period .pd-bar{height:12px;background:#d2e3fa}
.pp-period .pd-lab{font-size:14px}
/* 첫 화면: 상자가 열린 뒤에 1차 → 2차가 차오름 */
.pp-period .pd-bar .s1{transition-duration:1.1s;transition-delay:1s}
.pp-period .pd-bar .s2{transition-duration:1.1s;transition-delay:1.75s}
.pp-row .btn-line{border-color:#b9d3f7;color:var(--ink);background:#fff;--fill:var(--ink)}
.pp-row .btn-line:hover{color:#fff;border-color:var(--ink)}
/* 포스터: 상자 아래쪽에 걸쳐 있다가 올라옴 (아랫부분은 상자에 가려짐) */
.pp-poster{position:relative;z-index:1;align-self:end;justify-self:center;width:min(100%,560px);aspect-ratio:2000/1992;margin-bottom:-14%;border-radius:22px;background:#1d2a5c;box-shadow:0 40px 80px -36px rgba(2,32,71,.55),0 0 0 8px rgba(255,255,255,.7);will-change:transform}
.pp-poster figcaption{left:auto;right:16px;bottom:auto;top:16px}
.pp-poster .g-zoom::after{right:auto;left:14px}
.c-intro .pp-box,.c-intro .pp-subj{opacity:0}

/* 세 과목: 상자 바로 아래 한 줄 */
.pp-subj{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,3vw,48px);margin-top:clamp(24px,2.6vw,36px)}
.pp-subj li{border-top:1px solid var(--ink);padding-top:16px}
.pp-subj em{display:block;font-style:normal;font-size:13.5px;font-weight:800;color:var(--blue)}
.pp-subj b{display:block;margin-top:4px;font-size:clamp(19px,1.6vw,23px);font-weight:700;letter-spacing:-.03em}
.pp-subj p{margin-top:6px;font-size:14.5px;line-height:1.65;color:var(--sub)}

/* ---------- 다가오는 일정: 날짜 + 공지 예정 ---------- */
.yc .mo{font-variant-numeric:tabular-nums}
.yc .soon{display:inline-flex;align-items:center;gap:6px;color:var(--blue-d);font-weight:600}
.yc .soon::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue)}

/* ---------- 학원 필터: 알약 탭 (선택 표시가 미끄러짐) ---------- */
.ftabs{position:relative;display:inline-flex;gap:2px;padding:5px;border-radius:99px;background:var(--gray3);max-width:100%;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.ftabs::-webkit-scrollbar{display:none}
.ftabs button{position:relative;z-index:1;flex:0 0 auto;padding:10px 20px;border-radius:99px;font-size:15px;font-weight:600;color:var(--sub);white-space:nowrap;transition:color .35s,scale .3s var(--ease);-webkit-tap-highlight-color:transparent}
.ftabs button:hover{color:var(--ink)}
.ftabs button:active{scale:.95}
.ftabs button.on{color:#fff}
.ftabs:not(.has-ind) button.on{background:var(--blue)}
.ftabs .fi{position:absolute;z-index:0;top:5px;bottom:5px;left:0;width:0;border-radius:99px;background:var(--blue);box-shadow:0 8px 18px -8px rgba(49,130,246,.7);transition:left .55s var(--ease),width .55s var(--ease)}

/* ---------- 연간 캘린더: 가운데 정렬 큰 제목 ---------- */
.cal-head{flex-direction:column;align-items:center;text-align:center;gap:18px}
.cal-head .sec-title{font-size:clamp(32px,3.8vw,58px)}
.cal-head .sec-desc{max-width:560px}
.cal-bar{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:28px}
.cal-count{font-size:14.5px;color:var(--sub)}
.cal-count b{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.02em;margin-right:2px;font-variant-numeric:tabular-nums}
.cal{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.cm{position:relative;border-radius:22px;background:var(--gray2);padding:22px 22px 24px;min-height:232px;display:flex;flex-direction:column;transition:background-color .45s,box-shadow .45s}
.cm-h{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:16px}
.cm-h b{font-size:clamp(30px,2.6vw,38px);font-weight:800;letter-spacing:-.05em;line-height:1;transition:color .45s}
.cm-h b small{font-size:15px;font-weight:700;margin-left:2px;color:var(--mute);letter-spacing:-.01em}
.cm-h span{font-size:11.5px;font-weight:700;letter-spacing:.14em;color:#b0b8c1}
.cm ul{display:grid;gap:10px}
.cm li{font-size:15px;font-weight:600;letter-spacing:-.02em;line-height:1.45;color:var(--ink)}
.cm li.off{display:none}
/* 학원 표시: 버튼과 다른 모양 — 점 + 작은 글자 */
.cm li .t{display:flex;align-items:center;gap:6px;font-style:normal;font-size:12px;font-weight:700;color:var(--blue-d);letter-spacing:0;margin-bottom:1px}
.cm li .t::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue)}
.cm li[data-ac^="common"] .t{color:var(--ink)}
.cm li[data-ac^="common"] .t::before{background:var(--ink)}
.cm .none{display:none;margin-top:auto;font-size:13.5px;color:#b0b8c1}
.cm.empty .none{display:block}
.cm.empty .cm-h b{color:#c5ccd3}
.cm.now{background:#fff;box-shadow:inset 0 0 0 2px var(--blue),0 18px 40px -24px rgba(49,130,246,.45)}
.cm.now .cm-h span:not(.badge){display:none}
.cm .badge{font-size:11.5px;font-weight:700;color:#fff;background:var(--blue);border-radius:99px;padding:4px 10px;align-self:center}
.cm.every{grid-column:1/-1;min-height:0;background:var(--blue-l)}
.cm.every ul{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px 20px}
.cm.every .cm-h b{font-size:clamp(24px,2vw,30px)}

/* ---------- 대표 행사: 왼쪽 제목 고정 · 오른쪽 아코디언 ---------- */
.ev-sec .wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(28px,5vw,96px);align-items:start}
.ev-sec .sec-head{position:sticky;top:calc(var(--gnb) + 64px);margin:0;flex-direction:column;align-items:flex-start;gap:18px}
.ev-sec .sec-title .g{display:block}
.ev-sec .acc-name{word-break:keep-all}
.ev-sec #acc .acc-name{font-size:clamp(20px,1.8vw,27px)}
.ev-sec #acc .acc-body{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}

/* ---------- 겨울특강 안내문: 좁은 종이 한 장 ---------- */
.pn-sec{padding-top:0}
.pn{max-width:980px;margin:0 auto;border-radius:28px;border:1px solid var(--line);background:#fff;box-shadow:0 30px 70px -50px rgba(2,32,71,.4);padding:clamp(26px,4vw,56px)}
.pn-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px 32px;flex-wrap:wrap;padding-bottom:clamp(22px,2.6vw,32px)}
.pn-head .link{color:var(--blue-d)}
.pn-list{border-top:1px solid var(--ink)}
.pn-list>div{position:relative;display:grid;grid-template-columns:150px minmax(0,1fr);gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.pn-list dt{font-size:14.5px;color:var(--mute);padding-top:2px}
.pn-list dd b{display:block;font-size:clamp(17px,1.4vw,20px);font-weight:700;letter-spacing:-.02em;line-height:1.45}
.pn-list dd small{display:block;margin-top:4px;font-size:14px;color:var(--sub)}
.pn-list .ask dd b{display:inline-flex;align-items:center;gap:10px;color:var(--blue-d)}
.pn-list .ask dd b::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px var(--blue-l)}
.pn-twice{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:24px}
.pn-twice li{border-radius:20px;background:var(--gray2);padding:20px 22px}
.pn-twice em{font-style:normal;font-size:13px;font-weight:800;color:var(--blue)}
.pn-twice b{display:block;margin-top:4px;font-size:18px;font-weight:700;letter-spacing:-.02em}
.pn-twice span{display:block;margin-top:2px;font-size:13.5px;color:var(--sub)}

/* ---------- 마무리: 1차 시작까지 D-day ---------- */
.pp-end{padding-top:clamp(64px,8vw,120px);padding-bottom:clamp(64px,8vw,112px)}
.pe{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:end;gap:clamp(24px,4vw,72px);padding-top:clamp(28px,3vw,40px)}
.pe::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--ink);transform-origin:left}
.pe-num{display:flex;flex-direction:column;line-height:1}
.pe-lab{font-size:15px;font-weight:700;color:var(--blue);margin-bottom:14px}
.pe-num b{font-size:clamp(84px,11vw,176px);font-weight:800;letter-spacing:-.06em;color:var(--blue);font-variant-numeric:tabular-nums;line-height:.86}
.pe-num b.live{font-size:clamp(56px,7vw,112px)}
.pe-copy h2{font-size:clamp(28px,3vw,46px);line-height:1.25;font-weight:800;letter-spacing:-.04em}
.pe-copy h2 .g{color:var(--blue)}
.pe-copy p{margin-top:12px;font-size:16px;color:var(--sub)}
.pe-side{display:flex;flex-direction:column;align-items:stretch;gap:14px;min-width:260px}
.pe-side .btn{justify-content:space-between}
.pe-tel{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 2px 0;border-top:1px solid var(--line);font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ink);transition:color .25s}
.pe-tel small{font-size:13px;font-weight:600;color:var(--mute)}
.pe-tel:hover{color:var(--blue-d)}
.pe-faq{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:clamp(36px,4vw,56px);padding:20px 24px;border-radius:18px;background:var(--gray2);font-size:15.5px;color:var(--sub);transition:background-color .3s}
.pe-faq b{color:var(--ink)}
.pe-faq i{flex:none;width:36px;height:36px;border-radius:50%;background:#fff;display:grid;place-items:center;font-style:normal;color:var(--ink);transition:translate .5s var(--ease),background-color .3s,color .3s}
@media (hover:hover){
  .pe-faq:hover{background:var(--blue-l)}
  .pe-faq:hover i{translate:4px 0;background:var(--blue);color:#fff}
}

/* ---------- 반응형 ---------- */
@media (max-width:1180px){
  .cal{grid-template-columns:repeat(3,minmax(0,1fr))}
  .cm.every ul{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pe{grid-template-columns:auto minmax(0,1fr)}
  .pe-side{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between}
  .pe-tel{border:0;padding:0}
}
@media (max-width:900px){
  .pp-box{grid-template-columns:1fr;height:auto;max-height:none;padding:0 clamp(22px,5vw,40px);gap:8px}
  .pp-copy{padding:36px 0 0}
  .pp-poster{width:min(78%,420px);margin-bottom:-30%}
  .pp-box{padding-bottom:0}
  .ev-sec .wrap{grid-template-columns:1fr;gap:24px}
  .ev-sec .sec-head{position:static}
  .cal{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .pc{display:none}
  .pp-box{margin:0 10px;border-radius:22px;padding:0 20px}
  .pp-copy{padding-top:30px}
  .pp-kicker{font-size:13.5px}
  .pp-title{margin-top:14px;font-size:clamp(34px,10vw,44px)}
  .pp-desc{margin-top:14px;font-size:15px}
  .pp-period{margin:22px 0 22px}
  .pp-row .btn{flex:1 1 auto;justify-content:center}
  .pp-row .btn-lg{justify-content:space-between}
  .pp-poster{width:72%;margin-top:22px;border-radius:16px;box-shadow:0 30px 50px -30px rgba(2,32,71,.55),0 0 0 5px rgba(255,255,255,.7)}
  .pp-subj{grid-template-columns:1fr;gap:0;margin-top:18px}
  .pp-subj li{display:grid;grid-template-columns:96px 1fr;gap:2px 12px;padding:14px 0;border-top-color:var(--line)}
  .pp-subj li:first-child{border-top-color:var(--ink)}
  .pp-subj em{grid-row:1/3;padding-top:3px}
  .pp-subj b{margin:0;font-size:18px}
  .pp-subj p{margin:0;font-size:13.5px}
  .ftabs button{padding:9px 14px;font-size:14px}
  .cal-head{align-items:flex-start;text-align:left}
  .cal-bar{align-items:flex-start;margin-bottom:16px}
  .cal{grid-template-columns:1fr;gap:8px}
  .cm{min-height:0;display:grid;grid-template-columns:64px 1fr;gap:4px 14px;padding:18px}
  .cm-h{display:block;margin:0}
  .cm-h span{display:none}
  .cm-h b{font-size:28px}
  .cm .badge{display:inline-block;margin-top:8px}
  .cm .none{grid-column:2;margin:0}
  .cm.every ul{grid-template-columns:1fr}
  .ev-sec #acc .acc-body{grid-template-columns:1fr}
  .pn{border-radius:22px;padding:24px 18px;margin:0 calc(var(--pad) * -1 + 10px)}
  .pn-list>div{grid-template-columns:1fr;gap:4px;padding:16px 0}
  .pn-twice{grid-template-columns:1fr}
  .pe{grid-template-columns:1fr;gap:22px}
  .pe-side{flex-direction:column;align-items:stretch}
  .pe-side .btn{width:100%}
  .pe-tel{border-top:1px solid var(--line);padding-top:12px}
  .pe-faq{align-items:flex-start;padding:18px;font-size:14.5px}
}