/* ===== 비개발자 코딩 시연 교실 — 공통 포털 스타일 (light-note) ===== */
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css");

:root{
  --bg:#F7F5F0; --fg:#1A1A1A; --accent:#2563EB; --accent2:#5EEAD4;
  --muted:#6B7280; --muted-strong:#4B5563; --line:#E2DED5; --card:#FFFFFF;
  --good:#16A34A; --bad:#DC2626; --lock:#9AA1AC; --lock-bg:#EFEDE7;
  --shadow:0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.06);
  --maxw:1100px;
  --font:'Pretendard','Pretendard Variable',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
}
*{ box-sizing:border-box; }
.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; }
html,body{ margin:0; padding:0; }
body{
  background:var(--bg); color:var(--fg);
  font-family:var(--font); font-weight:500; line-height:1.6;
  word-break:keep-all; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
a{ color:inherit; text-decoration:none; }
.wrap{ max-width:var(--maxw); margin:0 auto; padding:34px 22px 90px; }

/* ===== 헤더 ===== */
.top{ text-align:center; margin-bottom:30px; }
.top .crumb{ display:inline-flex; align-items:center; gap:6px; color:var(--muted); font-weight:700;
  font-size:14px; margin-bottom:14px; }
.top .crumb a{ color:var(--accent); }
.top .crumb a:hover{ text-decoration:underline; }
.top .kicker{ color:var(--accent); font-weight:800; letter-spacing:.04em; font-size:14px; }
.top h1{ color:var(--fg); font-size:clamp(26px,3.6vw,42px); font-weight:900; margin:8px 0 6px; line-height:1.18; }
.top p.sub{ color:var(--muted-strong); font-size:clamp(15px,1.9vw,19px); margin:0 auto; max-width:680px; }
.attrib{ display:inline-block; margin-top:14px; padding:5px 13px; border-radius:999px;
  background:#fff; border:1px solid var(--line); color:var(--muted); font-size:12.5px; font-weight:700; }

/* ===== 상단 CTA 바 (홈) ===== */
.ctabar{ display:flex; gap:12px; justify-content:center; flex-wrap:wrap; margin:0 0 26px; }
.cta-btn{ display:inline-flex; align-items:center; gap:8px; font-family:inherit; font-weight:800;
  font-size:15px; line-height:1; padding:13px 22px; border-radius:999px; text-decoration:none;
  border:1.5px solid transparent; box-shadow:var(--shadow);
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease; }
.cta-btn:hover{ transform:translateY(-2px); box-shadow:0 6px 20px rgba(0,0,0,.15); }
.cta-btn .ico{ font-size:17px; line-height:1; }
.cta-btn.site{ background:var(--accent); color:#fff; }
.cta-btn.site:hover{ background:#1d4fd0; }
.cta-btn.yt{ background:#D70000; color:#fff; }
.cta-btn.yt:hover{ background:#b80000; }

/* ===== 용어사전 진입 배너 (헤더 아래) ===== */
.dict-banner{ display:flex; align-items:center; gap:18px; margin:0 0 24px;
  background:linear-gradient(100deg,#FEF6E7 0%,#FBE9CC 100%);
  border:1.5px solid #F1DCB0; border-radius:20px; padding:18px 22px; text-decoration:none; color:inherit;
  box-shadow:0 1px 3px rgba(146,64,14,.05);
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.dict-banner:hover{ transform:translateY(-2px); border-color:#D9A441;
  box-shadow:0 2px 6px rgba(146,64,14,.08), 0 16px 34px rgba(146,64,14,.13); }
.dict-banner .db-ic{ flex:0 0 auto; width:56px; height:56px; border-radius:16px;
  display:grid; place-items:center; font-size:30px; background:#fff; border:1px solid #F1DCB0; }
.dict-banner .db-body{ flex:1; min-width:0; }
.dict-banner .db-head{ display:flex; align-items:center; gap:9px; flex-wrap:wrap; }
.dict-banner .db-title{ font-size:clamp(17px,2.1vw,20px); font-weight:900; color:#7C4A12; line-height:1.2; }
.dict-banner .db-new{ font-size:11px; font-weight:800; color:#fff; background:#C2410C; border-radius:999px; padding:2px 9px; letter-spacing:.04em; }
.dict-banner .db-desc{ font-size:14.5px; color:#92400E; margin:5px 0 0; line-height:1.5; }
.dict-banner .db-desc b{ font-weight:800; color:#7C4A12; }
.dict-banner .db-cta{ flex:0 0 auto; display:inline-flex; align-items:center; gap:6px;
  font-weight:800; font-size:15px; color:#fff; background:#B45309; border-radius:999px; padding:13px 21px; white-space:nowrap;
  transition:background .15s ease; }
.dict-banner:hover .db-cta{ background:#92400E; }

/* ===== 카드 그리드 ===== */
.grid{ display:grid; gap:18px; grid-template-columns:repeat(auto-fill, minmax(280px,1fr)); }

/* 공통 카드 */
.card{
  position:relative; background:var(--card); border:1px solid var(--line); border-radius:20px;
  padding:22px 22px 20px; box-shadow:var(--shadow); transition:transform .16s ease, box-shadow .16s ease;
  display:flex; flex-direction:column; min-height:178px;
}
.card.clickable{ cursor:pointer; }
.card.clickable:hover{ transform:translateY(-3px); box-shadow:0 2px 6px rgba(0,0,0,.06), 0 16px 36px rgba(0,0,0,.10); border-color:#cfd8ea; z-index:3; }
.card .no{ font-size:13px; font-weight:800; color:var(--accent); letter-spacing:.03em; }
.card h3{ font-size:clamp(18px,2.1vw,22px); font-weight:900; margin:7px 0 4px; color:var(--fg); line-height:1.25; }
.card .meta{ font-size:14.5px; color:var(--muted-strong); margin:0 0 14px; }
.card .spacer{ flex:1; }
.card .row{ display:flex; gap:8px; flex-wrap:wrap; align-items:center; }

/* 배지 */
.badge{ display:inline-flex; align-items:center; gap:5px; font-size:12.5px; font-weight:800;
  padding:4px 10px; border-radius:999px; }
.badge.open{ background:#E7F1FF; color:var(--accent); }
.badge.go{ background:#E7F6EF; color:#166534; }
.badge.soon{ background:var(--lock-bg); color:#5B6168; }
.badge.priv{ background:#EDE9FE; color:#7C3AED; }

/* 버튼 */
.btn{ position:relative; display:inline-flex; align-items:center; gap:5px; font-family:inherit; font-weight:800;
  font-size:14px; padding:8px 11px; border-radius:11px; border:1px solid transparent; cursor:pointer; white-space:nowrap;
  transition:background .15s ease, border-color .15s ease, color .15s ease; }
.btn.primary{ background:var(--accent); color:#fff; }
.btn.primary:hover{ background:#1d4fd0; }
.btn.ghost{ background:#fff; color:var(--fg); border-color:var(--line); }
.btn.ghost:hover{ border-color:var(--accent); color:var(--accent); }
.btn.yt{ background:#fff; color:#cc2222; border-color:#f0d4d4; }
.btn.yt:hover{ border-color:#cc2222; }
.btn.dict{ background:#FEF6E7; color:#92400E; border-color:#F1DCB0; }
.btn.dict:hover{ border-color:#D9A441; color:#7C4A12; }

/* 버튼 말풍선 툴팁 (마우스 올리면 버튼 설명) */
.btn[data-tip]::after{
  content:attr(data-tip);
  position:absolute; left:50%; bottom:calc(100% + 10px); transform:translateX(-50%) translateY(4px);
  background:#0F172A; color:#fff; font-size:12.5px; font-weight:700; line-height:1.45;
  padding:8px 11px; border-radius:10px; width:max-content; max-width:188px; white-space:normal; text-align:center;
  box-shadow:0 8px 22px rgba(15,23,42,.30);
  opacity:0; visibility:hidden; pointer-events:none; transition:opacity .16s ease, transform .16s ease; z-index:60; }
.btn[data-tip]::before{
  content:""; position:absolute; left:50%; bottom:calc(100% + 4px); transform:translateX(-50%) translateY(4px);
  border:6px solid transparent; border-top-color:#0F172A;
  opacity:0; visibility:hidden; pointer-events:none; transition:opacity .16s ease, transform .16s ease; z-index:60; }
.btn[data-tip]:hover::after, .btn[data-tip]:hover::before{ opacity:1; visibility:visible; transform:translateX(-50%) translateY(0); }

/* 잠금 카드 */
.card.locked{ background:var(--lock-bg); border-style:dashed; border-color:#d9d4c8; box-shadow:none; }
.card.locked h3{ color:#4B5563; }
.card.locked .no{ color:#4B5563; }
.card.locked .lockmsg{ display:flex; align-items:center; gap:7px; color:#4B5563;
  font-size:13.5px; font-weight:700; margin-top:auto; }
.card .lockicon{ position:absolute; top:18px; right:20px; font-size:20px; opacity:.55; }

/* coming 시리즈 카드 */
.card.coming{ background:var(--lock-bg); border-style:dashed; border-color:#d9d4c8; box-shadow:none; }
.card.coming h3{ color:#4B5563; }
.card.coming .no{ color:#1E40AF; }

/* 시리즈 카드 큰 이모지 */
.card .emoji{ font-size:30px; line-height:1; margin-bottom:4px; }

/* 푸터 */
.foot{ text-align:center; color:var(--muted-strong); font-size:13px; margin-top:46px; }
.foot a{ color:var(--accent); text-decoration:underline; text-underline-offset:2px; }

/* ===== 비공개 시즌 비밀번호 게이트 ===== */
.gate{ max-width:420px; margin:34px auto 0; background:var(--card); border:1px solid var(--line); border-radius:20px;
  padding:34px 28px; text-align:center; box-shadow:var(--shadow); }
.gate-ic{ font-size:42px; line-height:1; }
.gate-msg{ color:var(--muted); font-size:15px; margin:10px 0 0; }
.gate-input{ width:100%; box-sizing:border-box; margin:20px 0 12px; padding:13px 16px; font-family:inherit; font-size:16px;
  color:var(--fg); background:#fff; border:1px solid var(--line); border-radius:12px; }
.gate-input:focus{ outline:none; border-color:var(--accent); }
.gate-btn{ width:100%; padding:13px; font-family:inherit; font-weight:800; font-size:16px; color:#fff;
  background:var(--accent); border:none; border-radius:12px; cursor:pointer; }
.gate-btn:hover{ background:#1d4fd0; }
.gate-err{ color:var(--bad); font-size:14px; font-weight:700; margin-top:10px; min-height:18px; }

/* ===== 쇼케이스 (시즌 아래 별도 섹션 · 현장 라이브 데모) ===== */
.showcase{ margin-top:52px; }
.sc-divider{ display:flex; align-items:center; gap:14px; margin:0 0 18px; }
.sc-divider::before, .sc-divider::after{ content:""; flex:1; height:1px; background:var(--line); }
.sc-kicker{ color:var(--muted-strong); font-weight:800; font-size:12px; letter-spacing:.16em; }
.sc-title{ text-align:center; font-size:clamp(21px,2.7vw,30px); font-weight:900; margin:0 0 5px; }
.sc-sub{ text-align:center; color:var(--muted-strong); font-size:15px; margin:0 0 22px; }
.sc-grid{ display:grid; gap:16px; grid-template-columns:1fr; max-width:780px; margin:0 auto; }
.sc-card{ display:flex; align-items:center; gap:20px; padding:24px 26px; border-radius:22px; text-decoration:none;
  background:linear-gradient(135deg,#0F172A 0%, #1E293B 100%); color:#fff; border:1px solid #26344E;
  box-shadow:0 14px 40px rgba(15,23,42,.22); transition:transform .16s ease, box-shadow .16s ease; }
.sc-card:hover{ transform:translateY(-3px); box-shadow:0 22px 54px rgba(15,23,42,.32); }
.sc-emoji{ width:64px; height:64px; border-radius:18px; flex-shrink:0; display:flex; align-items:center; justify-content:center;
  font-size:32px; background:rgba(94,234,212,.12); border:1px solid rgba(94,234,212,.28); }
.sc-meta{ flex:1; min-width:0; }
.sc-badge{ display:inline-block; background:rgba(94,234,212,.16); color:#5EEAD4; font-weight:800; font-size:12px;
  padding:4px 11px; border-radius:999px; margin-bottom:8px; }
.sc-meta h3{ color:#fff; font-size:clamp(19px,2.2vw,23px); font-weight:900; margin:0 0 4px; line-height:1.25; }
.sc-meta p{ color:#C3CAD6; font-size:14.5px; margin:0; }
.sc-cta{ flex-shrink:0; background:#fff; color:#0F172A; font-weight:800; font-size:14px; padding:11px 18px;
  border-radius:999px; white-space:nowrap; }

/* 잠긴 쇼케이스 카드 (영상 공개 전 예고) */
.sc-card.locked{ background:linear-gradient(135deg,#262B36 0%, #333A48 100%); border-color:#3B4250;
  box-shadow:0 8px 24px rgba(15,23,42,.14); cursor:default; }
.sc-card.locked:hover{ transform:none; box-shadow:0 8px 24px rgba(15,23,42,.14); }
.sc-card.locked .sc-emoji{ background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.12); filter:grayscale(.35); opacity:.85; }
.sc-card.locked .sc-meta h3{ color:#E5E9F0; }
.sc-card.locked .sc-meta p{ color:#9AA3B2; }
.sc-badge.lock{ background:rgba(255,255,255,.10); color:#C3CAD6; }
.sc-cta.lock{ background:transparent; color:#C3CAD6; border:1px dashed #5A6373; font-weight:700; }

@media (max-width:560px){
  .sc-card{ flex-direction:column; align-items:flex-start; text-align:left; }
  .sc-cta{ align-self:stretch; text-align:center; }
  .wrap{ padding:26px 16px 70px; }
  .grid{ grid-template-columns:1fr; }
  .dict-banner{ flex-wrap:wrap; gap:13px; padding:16px; }
  .dict-banner .db-cta{ width:100%; justify-content:center; }
}