/* =========================================================
   TooniLab — 웹툰으로 배우는 한국어
   css/style.css
   ---------------------------------------------------------
   01. TOKENS            02. BASE
   03. NAV               04. HERO
   05. IDENTITY          06. WHY WEBTOON
   07. CAST / SAMPLE     08. TEXTBOOK SHOWCASE
   09. LESSON GALLERY    10. LIGHTBOX
   11. PLATFORM          12. CURRICULUM
   13. CAMPAIGN          14. MARKET
   15. INSTRUCTOR        16. PARTNERSHIP
   17. FOOTER
   ========================================================= */

/* ============ 01. TOKENS ============ */
:root{
  --font-display:'Black Han Sans','Noto Sans KR',sans-serif;
  --font-body:'Noto Sans KR',sans-serif;
  --paper:#F2F6FB;
  --paper-raised:#FFFFFF;
  --ink:#10152B;
  --ink-soft:#4B5372;
  --ink-faint:#8B92AC;
  --line:#10152B;
  --line-soft:#C7CEE0;
  --blue:#1596D6;
  --blue-deep:#0B6FA8;
  --purple:#7C3AED;
  --yellow:#FFC93C;
  --yellow-ink:#5B4300;
  --panel-shadow: 6px 6px 0 rgba(16,21,43,0.9);
  --panel-shadow-sm: 4px 4px 0 rgba(16,21,43,0.9);
  --radius: 14px;
  --maxw: 1180px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#0D1220;
    --paper-raised:#171D33;
    --ink:#EDEFF8;
    --ink-soft:#AEB6D4;
    --ink-faint:#767E9E;
    --line:#EDEFF8;
    --line-soft:#333B58;
    --blue:#4FC3F1;
    --blue-deep:#7BD4F5;
    --purple:#B79BFF;
    --yellow:#FFD666;
    --yellow-ink:#3A2C00;
    --panel-shadow: 6px 6px 0 rgba(0,0,0,0.55);
    --panel-shadow-sm: 4px 4px 0 rgba(0,0,0,0.55);
  }
}
:root[data-theme="dark"]{
  --paper:#0D1220;
  --paper-raised:#171D33;
  --ink:#EDEFF8;
  --ink-soft:#AEB6D4;
  --ink-faint:#767E9E;
  --line:#EDEFF8;
  --line-soft:#333B58;
  --blue:#4FC3F1;
  --blue-deep:#7BD4F5;
  --purple:#B79BFF;
  --yellow:#FFD666;
  --yellow-ink:#3A2C00;
  --panel-shadow: 6px 6px 0 rgba(0,0,0,0.55);
  --panel-shadow-sm: 4px 4px 0 rgba(0,0,0,0.55);
}

/* ============ 02. BASE ============ */
*{box-sizing:border-box;}
html{scroll-behavior:smooth; scroll-padding-top:80px;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body), system-ui, sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;}
.mono{font-family:'JetBrains Mono', ui-monospace, monospace;}
h1,h2,h3{font-family:var(--font-display), var(--font-body), sans-serif; font-weight:400; text-wrap:balance; letter-spacing:0.01em; margin:0;}
p{margin:0;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px;}
section{position:relative;}

/* halftone texture helper */
.halftone{
  background-image: radial-gradient(var(--line-soft) 1.2px, transparent 1.2px);
  background-size: 14px 14px;
  opacity:0.5;
}

/* generic panel = comic frame */
.panel{
  background:var(--paper-raised);
  border:3px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--panel-shadow-sm);
}

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'JetBrains Mono', monospace;
  font-size:12.5px; font-weight:700; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--blue-deep);
}
.eyebrow::before{
  content:"";
  width:8px;height:8px;background:var(--yellow); border:2px solid var(--line); border-radius:2px;
  display:inline-block;
}

.section-head{max-width:640px; margin-bottom:44px;}
.section-head h2{font-size:clamp(28px,3.6vw,42px); margin-top:10px;}
.section-head .lede{margin-top:14px; color:var(--ink-soft); font-size:16.5px;}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-body),sans-serif; font-weight:700; font-size:15px;
  padding:13px 24px; border-radius:999px; border:3px solid var(--line);
  cursor:pointer; text-decoration:none; transition:transform .15s ease;
}
.btn:hover{transform:translate(-2px,-2px);}
.btn-solid{background:var(--yellow); color:var(--yellow-ink); box-shadow:var(--panel-shadow-sm);}
.btn-ghost{background:var(--paper-raised); color:var(--ink); box-shadow:var(--panel-shadow-sm);}

::selection{background:var(--yellow); color:var(--yellow-ink);}

/* ============ 03. NAV ============ */
#top-nav{
  position:sticky; top:0; z-index:50;
  background:var(--paper); border-bottom:3px solid var(--line);
}
.nav-row{
  max-width:var(--maxw); margin:0 auto; padding:14px 28px;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.brand{display:flex; align-items:center; gap:9px; text-decoration:none; flex:0 0 auto;}
/* 로고 원본(1024×344)은 아래쪽에 투명 여백이 있어, 여백만 잘라내고 그림은 잘리지 않게 표시
   실제 그림 영역 y 9~272 / 344 */
.brand-logo{
  display:flex; align-items:flex-start; overflow:hidden;
  height:31px; background:#fff; border-radius:9px; padding:0 10px;
}
.brand-logo img{height:38px; width:auto; display:block;}
.nav-links{display:flex; align-items:center; gap:26px; font-size:14.5px; font-weight:500;}
.nav-links a{text-decoration:none; color:var(--ink-soft);}
.nav-links a:hover{color:var(--ink);}
.nav-cta{display:flex; align-items:center; gap:10px;}
.nav-cta .btn{padding:9px 18px; font-size:13.5px;}
.lang-switch{
  position:relative; display:inline-flex; align-items:center;
  border:2px solid var(--line); border-radius:999px; background:var(--paper-raised);
}
.lang-switch::after{
  content:''; position:absolute; right:13px; top:50%; width:6px; height:6px;
  border-right:2px solid var(--ink-soft); border-bottom:2px solid var(--ink-soft);
  transform:translateY(-65%) rotate(45deg); pointer-events:none;
}
.lang-switch select{
  appearance:none; -webkit-appearance:none; -moz-appearance:none;
  font-family:'JetBrains Mono',monospace; font-size:12px; font-weight:700;
  border:none; background:transparent; color:var(--ink); cursor:pointer;
  padding:8px 30px 8px 14px; border-radius:999px; letter-spacing:0.03em;
}
.lang-switch select:focus{outline:2px solid var(--blue); outline-offset:2px;}
.lang-switch select option{color:#111; background:#fff;}
@media (max-width:980px){
  /* 모바일에서도 섹션 이동이 가능하도록 스크롤형 탭으로 전환 */
  .nav-row{flex-wrap:wrap; row-gap:8px; padding:12px 20px;}
  .nav-links{
    display:flex; order:5; width:100%; gap:10px 16px; flex-wrap:wrap;
    padding-bottom:2px;
  }
  .nav-links::-webkit-scrollbar{height:0;}
  .nav-links a{white-space:nowrap; font-size:13px;}
  .nav-cta .btn{padding:7px 14px; font-size:12.5px;}
}

/* ============ 04. HERO ============ */
#hero{overflow:hidden; padding:64px 0 40px; border-bottom:3px solid var(--line);}
#hero::before{
  content:""; position:absolute; inset:0; z-index:0;
  background-image: radial-gradient(var(--line-soft) 1.4px, transparent 1.4px);
  background-size:18px 18px; opacity:0.55;
  -webkit-mask-image:linear-gradient(to bottom, black, transparent 85%);
          mask-image:linear-gradient(to bottom, black, transparent 85%);
}
.hero-grid{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1.15fr 0.85fr; gap:56px; align-items:center;
}
.hero-copy .eyebrow{margin-bottom:18px;}
.hero-copy h1{font-size:clamp(34px,4.8vw,58px); line-height:1.18;}
.hero-copy h1 .hl{color:var(--blue-deep);}
.hero-copy .sub{margin-top:20px; font-size:17.5px; color:var(--ink-soft); max-width:52ch;}
.hero-ctas{display:flex; gap:14px; margin-top:30px; flex-wrap:wrap;}
.trust-strip{
  display:flex; flex-wrap:wrap; gap:10px; margin-top:34px;
}
.trust-chip{
  font-family:'JetBrains Mono',monospace; font-size:12px; font-weight:500;
  padding:7px 12px; border:2px solid var(--line-soft); border-radius:999px; color:var(--ink-soft);
}
.hero-art{position:relative;}
.hero-art .frame{
  transform:rotate(-2deg);
  border:3px solid var(--line); border-radius:var(--radius);
  box-shadow:var(--panel-shadow); overflow:hidden; background:var(--paper-raised);
}
.hero-art .frame img{width:100%; height:auto;}
.hero-art .sticker{
  position:absolute; bottom:-18px; left:-22px;
  background:var(--yellow); color:var(--yellow-ink); border:3px solid var(--line);
  border-radius:999px; padding:14px 18px; font-weight:700; font-size:13.5px;
  transform:rotate(4deg); box-shadow:var(--panel-shadow-sm); max-width:230px; line-height:1.35;
}
.hero-art .sticker .pub{font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:0.02em;}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr; gap:36px;}
  .hero-art{order:-1; max-width:320px; margin:0 auto; width:100%;}
  .hero-art .sticker{left:0; bottom:-14px; font-size:12.5px; padding:11px 15px;}
}

/* ============ 05. IDENTITY ============ */
#identity{padding:80px 0; border-bottom:3px solid var(--line); background:var(--paper-raised);}
.quote-bubble{
  position:relative; max-width:840px; margin:0 auto 52px;
  background:var(--paper); border:3px solid var(--line); border-radius:22px;
  padding:38px 40px; box-shadow:var(--panel-shadow);
  font-family:var(--font-display),var(--font-body),sans-serif;
  font-size:clamp(19px,2.6vw,27px); line-height:1.5; text-align:center; text-wrap:balance;
}
.quote-bubble::after{
  content:""; position:absolute; left:64px; bottom:-22px;
  width:0;height:0; border:16px solid transparent; border-top-color:var(--line);
  filter:drop-shadow(0 0 0 var(--line));
}
.quote-bubble::before{
  content:""; position:absolute; left:66px; bottom:-16px;
  width:0;height:0; border:13px solid transparent; border-top-color:var(--paper);
  z-index:1;
}
.quote-bubble mark{background:none; color:var(--blue-deep);}
.pillars{display:grid; grid-template-columns:repeat(5,1fr); gap:16px;}
.pillar{
  padding:20px 16px; text-align:center; border-radius:12px;
  border:2.5px solid var(--line-soft); background:var(--paper);
}
.pillar .n{
  font-family:'JetBrains Mono',monospace; font-weight:700; font-size:12px; color:var(--blue-deep);
  display:block; margin-bottom:10px;
}
.pillar b{display:block; font-size:15px; margin-bottom:6px;}
.pillar span.d{font-size:12.5px; color:var(--ink-soft); line-height:1.45;}
@media (max-width:900px){ .pillars{grid-template-columns:repeat(2,1fr);} }

/* ============ 06. WHY WEBTOON ============ */
#why{padding:84px 0; border-bottom:3px solid var(--line);}
.why-grid{
  display:grid; grid-template-columns:repeat(3,1fr);
  border:3px solid var(--line); border-radius:var(--radius); overflow:hidden;
  box-shadow:var(--panel-shadow); background:var(--paper-raised);
}
.why-cell{
  padding:30px 26px; border-right:3px solid var(--line); border-bottom:3px solid var(--line);
  position:relative;
}
.why-grid .why-cell:nth-child(3n){border-right:none;}
.why-grid .why-cell:nth-child(n+4){border-bottom:none;}
.why-cell .ico{
  width:44px;height:44px; border-radius:10px; border:2.5px solid var(--line);
  display:flex; align-items:center; justify-content:center; font-size:20px;
  margin-bottom:16px; background:var(--paper);
}
.why-cell h3{font-family:var(--font-body),sans-serif; font-weight:700; font-size:17px; margin-bottom:8px;}
.why-cell p{font-size:14px; color:var(--ink-soft);}
@media (max-width:760px){
  .why-grid{grid-template-columns:1fr;}
  .why-grid .why-cell{border-right:none;}
  .why-grid .why-cell:nth-child(n+4){border-bottom:3px solid var(--line);}
  .why-grid .why-cell:last-child{border-bottom:none;}
}

/* ============ 07. CAST / SAMPLE ============ */
#sample{padding:84px 0 0; border-bottom:3px solid var(--line); background:var(--paper-raised);}
.sample-grid{display:grid; grid-template-columns:0.95fr 1.05fr; gap:44px; align-items:center;}
.cast-row{display:flex; align-items:flex-end; gap:14px; margin:26px 0 22px; flex-wrap:wrap;}
.cast-chip{
  display:flex; flex-direction:column; align-items:center; gap:6px;
  border:2.5px solid var(--line-soft); border-radius:12px; padding:10px 14px; background:var(--paper);
}
.cast-chip .dot{width:26px;height:26px;border-radius:50%;border:2px solid var(--line);}
.cast-chip .dot.an{background:linear-gradient(135deg,#F0E6D6,#C9B79B);}
.cast-chip .dot.hana{background:linear-gradient(135deg,#C2603A,#8E3B22);}
.cast-chip .dot.mandu{background:linear-gradient(135deg,#FFFFFF,#E6D8C6);}
.cast-chip .nm{font-weight:700; font-size:12.5px;}
.sample-copy p{color:var(--ink-soft); font-size:15px; margin-top:14px;}
.cast-sheet-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:22px; margin:56px 0 0;
}
.sheet-card{
  border:3px solid var(--line); border-radius:var(--radius); overflow:hidden;
  background:var(--paper); box-shadow:var(--panel-shadow-sm);
}
.sheet-card img{width:100%; height:auto; background:#fff;}
.sheet-card figcaption{
  padding:12px 16px; font-size:12.5px; color:var(--ink-soft);
  border-top:2.5px solid var(--line-soft);
}
.sheet-card figcaption b{display:block; font-size:13.5px; color:var(--ink); margin-bottom:2px;}
.mascot-card{
  margin:22px 0 0; border:3px solid var(--line); border-radius:var(--radius);
  overflow:hidden; background:var(--paper); box-shadow:var(--panel-shadow-sm);
}
.mascot-card img{width:100%; height:auto; max-height:420px; object-fit:contain; background:#fff; padding:10px;}
.mascot-card figcaption{
  padding:12px 16px; font-size:12.5px; color:var(--ink-soft);
  border-top:2.5px solid var(--line-soft);
}
.comic-frame{
  border:3px solid var(--line); border-radius:var(--radius); overflow:hidden;
  box-shadow:var(--panel-shadow); transform:rotate(1.2deg); background:var(--paper-raised);
}
.comic-frame img{width:100%; height:auto; display:block;}
.comic-caption{
  margin-top:22px; text-align:center; font-family:'JetBrains Mono',monospace;
  font-size:12.5px; color:var(--ink-faint);
}
.sample-foot{padding-bottom:60px;}
@media (max-width:900px){
  .sample-grid{grid-template-columns:1fr;}
  .comic-frame{max-width:420px; margin:0 auto;}
  .cast-sheet-grid{grid-template-columns:1fr;}
}

/* ============ 08. TEXTBOOK SHOWCASE ============ */
#textbook{padding:84px 0; border-bottom:3px solid var(--line); background:var(--paper);}
.cover-showcase{
  display:grid; grid-template-columns:1fr 1fr; gap:34px; align-items:start;
}
.cover-card{
  border:3px solid var(--line); border-radius:var(--radius); background:var(--paper-raised);
  box-shadow:var(--panel-shadow); overflow:hidden;
}
.cover-card .imgbox{background:#fff; padding:14px;}
.cover-card img{width:100%; height:auto; border:2px solid var(--line-soft); border-radius:6px;}
.cover-card .meta{padding:18px 20px; border-top:3px solid var(--line);}
.cover-card .meta .k{
  font-family:'JetBrains Mono',monospace; font-size:11px; font-weight:700;
  color:var(--blue-deep); letter-spacing:0.1em; text-transform:uppercase;
}
.cover-card .meta h3{font-size:20px; margin:8px 0 6px;}
.cover-card .meta p{font-size:13px; color:var(--ink-soft);}
.spec-list{
  list-style:none; margin:14px 0 0; padding:0;
  display:flex; flex-direction:column; gap:6px; font-size:12.8px; color:var(--ink-soft);
}
.spec-list li{display:flex; gap:10px; justify-content:space-between; border-bottom:1px dashed var(--line-soft); padding-bottom:6px;}
.spec-list li b{color:var(--ink); font-weight:700;}
.pub-badge{
  display:inline-flex; align-items:center; gap:7px; margin-top:14px;
  font-family:'JetBrains Mono',monospace; font-size:12px; font-weight:700;
  background:var(--ink); color:var(--paper); border-radius:999px; padding:7px 14px;
}
.pub-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--yellow);display:inline-block;}
@media (max-width:820px){ .cover-showcase{grid-template-columns:1fr; gap:26px;} }

/* ============ 09. LESSON GALLERY ============ */
#lessons{padding:84px 0; border-bottom:3px solid var(--line); background:var(--paper-raised);}
.lesson-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.lesson-card{
  display:flex; flex-direction:column; text-align:left; padding:0; cursor:zoom-in;
  border:3px solid var(--line); border-radius:12px; overflow:hidden;
  background:var(--paper); box-shadow:var(--panel-shadow-sm);
  font:inherit; color:inherit; transition:transform .15s ease;
}
.lesson-card:hover{transform:translate(-2px,-2px);}
.lesson-card:focus-visible{outline:3px solid var(--blue); outline-offset:3px;}
.lesson-card .shot{background:#fff; padding:8px; border-bottom:2.5px solid var(--line-soft);}
.lesson-card img{width:100%; height:auto; border-radius:4px;}
.lesson-card .cap{padding:14px 16px; display:flex; flex-direction:column; gap:4px;}
.lesson-card .cap .ep{
  font-family:'JetBrains Mono',monospace; font-size:11px; font-weight:700; color:var(--purple);
}
.lesson-card .cap .t{font-family:var(--font-body),sans-serif; font-weight:700; font-size:15px; display:block;}
.lesson-card .cap .d{font-size:12.3px; color:var(--ink-soft); display:block;}
@media (max-width:900px){ .lesson-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:600px){ .lesson-grid{grid-template-columns:1fr;} }

/* ============ 10. LIGHTBOX ============ */
.lightbox{
  position:fixed; inset:0; z-index:200; display:none;
  align-items:center; justify-content:center; padding:24px;
  background:rgba(9,12,24,0.86); backdrop-filter:blur(3px);
}
.lightbox[data-open="true"]{display:flex;}
.lightbox figure{margin:0; max-width:min(900px,92vw); max-height:88vh; display:flex; flex-direction:column; gap:12px;}
.lightbox img{
  max-width:100%; max-height:78vh; object-fit:contain; margin:0 auto;
  border:3px solid #fff; border-radius:10px; background:#fff;
}
.lightbox figcaption{color:#E7EBF7; font-size:13px; text-align:center; font-family:'JetBrains Mono',monospace;}
.lightbox .lb-close{
  position:absolute; top:18px; right:18px; width:44px; height:44px; border-radius:50%;
  border:2px solid rgba(255,255,255,0.5); background:rgba(255,255,255,0.1); color:#fff;
  font-size:20px; line-height:1; cursor:pointer;
}
.lightbox .lb-close:hover{background:rgba(255,255,255,0.22);}

/* ============ 11. PLATFORM ============ */
#platform{padding:84px 0; border-bottom:3px solid var(--line);}
.feat-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:18px;}
.feat-card{
  padding:22px 20px; border:2.5px solid var(--line-soft); border-radius:12px; background:var(--paper-raised);
  display:flex; flex-direction:column; gap:10px;
}
.feat-card .ep{font-family:'JetBrains Mono',monospace; font-size:11.5px; font-weight:700; color:var(--purple);}
.feat-card .tag2{font-family:'JetBrains Mono',monospace; font-size:10.5px; color:var(--ink-faint); text-transform:uppercase;}
.feat-card h3{font-family:var(--font-body); font-weight:700; font-size:16.5px;}
.feat-card p{font-size:13.5px; color:var(--ink-soft);}
.feat-card.saas{background:var(--ink); color:var(--paper); border-color:var(--ink);}
.feat-card.saas .ep{color:var(--yellow);}
.feat-card.saas .tag2{color:var(--ink-faint);}
.feat-card.saas p{color:#C7CEE0;}
@media (max-width:980px){ .feat-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .feat-grid{grid-template-columns:1fr;} }

/* ============ 12. CURRICULUM ============ */
#curriculum{padding:84px 0; border-bottom:3px solid var(--line); background:var(--paper-raised);}
.arc-track{display:grid; grid-template-columns:repeat(4,1fr); gap:0; margin-bottom:64px; position:relative;}
.arc-step{
  padding:24px 22px; border:2.5px solid var(--line-soft); position:relative;
  background:var(--paper);
}
.arc-step:not(:last-child){border-right:none;}
.arc-step .num{font-family:var(--font-display); font-size:30px; color:var(--line-soft); line-height:1;}
.arc-step .stage{font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--blue-deep); font-weight:700; margin:10px 0 4px;}
.arc-step h3{font-family:var(--font-body); font-weight:700; font-size:15.5px; margin-bottom:8px;}
.arc-step p{font-size:12.8px; color:var(--ink-soft);}
.arc-step:not(:last-child)::after{
  content:"›"; position:absolute; right:-14px; top:50%; transform:translateY(-50%);
  font-family:var(--font-display); font-size:22px; color:var(--line); z-index:2;
  background:var(--paper-raised); width:26px;height:26px; border-radius:50%; border:2.5px solid var(--line);
  display:flex; align-items:center; justify-content:center;
}
.book-shelf{display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-bottom:40px;}
.book-card{border:2.5px solid var(--line); border-radius:10px; overflow:hidden; background:var(--paper); box-shadow:var(--panel-shadow-sm);}
.book-cover{
  aspect-ratio:3/4; display:flex; align-items:center; justify-content:center; text-align:center; padding:18px;
  font-family:var(--font-display); font-size:16px; line-height:1.35; color:#fff;
}
.book-card:nth-child(1) .book-cover{background:linear-gradient(160deg,#1596D6,#0B6FA8);}
.book-card:nth-child(2) .book-cover{background:linear-gradient(160deg,#FF9A3C,#E4681C);}
.book-card:nth-child(3) .book-cover{background:linear-gradient(160deg,#7C3AED,#5623B0);}
.book-card:nth-child(4) .book-cover{background:linear-gradient(160deg,#1EA672,#0E7A50);}
.book-cover .vol{font-family:'JetBrains Mono'; font-size:11px; opacity:0.85; margin-bottom:8px; display:block;}
.book-desc{padding:14px 16px; font-size:12.5px; color:var(--ink-soft);}
.price-table{width:100%; border-collapse:collapse; font-size:14px;}
.price-table th,.price-table td{border:2px solid var(--line-soft); padding:14px 16px; text-align:left;}
.price-table th{font-family:'JetBrains Mono',monospace; font-size:11.5px; text-transform:uppercase; letter-spacing:0.06em; background:var(--paper); color:var(--ink-soft);}
.price-table td.num{font-family:'JetBrains Mono',monospace; font-variant-numeric:tabular-nums; font-weight:700;}
.price-note{margin-top:14px; font-size:12.8px; color:var(--ink-faint);}
@media (max-width:900px){
  .arc-track{grid-template-columns:repeat(2,1fr);}
  .arc-step:nth-child(2)::after{display:none;}
  .arc-step:nth-child(odd){border-right:2.5px solid var(--line-soft);}
  .book-shelf{grid-template-columns:repeat(2,1fr);}
}

/* ============ 13. CAMPAIGN ============ */
#campaign{padding:84px 0; border-bottom:3px solid var(--line);}
.campaign-hero{
  display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center;
  background:var(--ink); color:var(--paper); border:3px solid var(--line); border-radius:var(--radius);
  padding:38px; margin-bottom:50px; box-shadow:var(--panel-shadow);
}
.campaign-hero h3{font-size:clamp(22px,3vw,30px); color:#fff;}
.campaign-hero .big{font-family:var(--font-display); font-size:clamp(40px,6vw,64px); color:var(--yellow); line-height:1;}
.campaign-hero p{color:#C7CEE0; margin-top:10px; font-size:14.5px;}
.steps4{display:grid; grid-template-columns:repeat(4,1fr); gap:14px;}
.step4{background:rgba(255,255,255,0.06); border:2px solid rgba(255,255,255,0.18); border-radius:10px; padding:16px;}
.step4 .k{font-family:'JetBrains Mono'; color:var(--yellow); font-size:12px; font-weight:700;}
.step4 h4{font-size:13.5px; font-weight:700; margin:8px 0 6px; color:#fff;}
.step4 p{font-size:11.8px; color:#AEB6D4;}
.course-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px;}
.course-card{
  border:2.5px solid var(--line-soft); border-radius:12px; padding:22px; background:var(--paper-raised);
  display:flex; flex-direction:column; gap:8px;
}
.course-card .k2{font-family:'JetBrains Mono'; font-size:11px; color:var(--blue-deep); font-weight:700;}
.course-card h4{font-size:16px; font-weight:700;}
.course-card p{font-size:13px; color:var(--ink-soft);}
@media (max-width:900px){
  .campaign-hero{grid-template-columns:1fr; padding:28px 24px;}
  .steps4{grid-template-columns:repeat(2,1fr);}
  .course-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){ .steps4{grid-template-columns:1fr;} .course-grid{grid-template-columns:1fr;} }

/* ============ 14. MARKET ============ */
#market{padding:84px 0; border-bottom:3px solid var(--line); background:var(--paper-raised);}
.market-grid{display:grid; grid-template-columns:0.85fr 1.15fr; gap:48px;}
.stat-tile{border:2.5px solid var(--line); border-radius:14px; padding:26px; background:var(--paper); box-shadow:var(--panel-shadow-sm);}
.stat-tile .big-num{font-family:var(--font-display); font-size:44px; color:var(--blue-deep); line-height:1;}
.stat-tile .cap{font-size:13.5px; color:var(--ink-soft); margin-top:8px;}
.bar-chart{border:2.5px solid var(--line-soft); border-radius:14px; padding:26px 28px; background:var(--paper);}
.bar-chart .chart-title{font-weight:700; font-size:14.5px; margin-bottom:4px;}
.bar-chart .chart-sub{font-size:12px; color:var(--ink-faint); margin-bottom:20px;}
.bar-row{display:grid; grid-template-columns:88px 1fr 74px; align-items:center; gap:12px; margin-bottom:10px;}
.bar-row .lbl{font-size:13px; color:var(--ink-soft);}
.bar-row .track{background:var(--line-soft); border-radius:4px; height:14px; overflow:hidden;}
.bar-row .fill{height:100%; background:var(--blue); border-radius:4px 0 0 4px;}
.bar-row .val{font-family:'JetBrains Mono'; font-size:12px; font-variant-numeric:tabular-nums; text-align:right; color:var(--ink);}
.bar-row .why{grid-column:2/4; font-size:11.5px; color:var(--ink-faint); margin-top:2px;}
@media (max-width:900px){ .market-grid{grid-template-columns:1fr;} }
@media (max-width:560px){ .bar-row{grid-template-columns:70px 1fr 56px;} }

/* ============ 15. METHODOLOGY ============ */
#method{padding:84px 0; border-bottom:3px solid var(--line);}
.method-card{
  border:3px solid var(--line); border-radius:var(--radius); overflow:hidden;
  box-shadow:var(--panel-shadow); background:var(--paper-raised);
  padding:34px 32px;
}
.dual-row{display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-bottom:24px;}
.dual-box{border:2px solid var(--line-soft); border-radius:10px; padding:18px;}
.dual-box .k3{font-family:'JetBrains Mono'; font-size:11px; color:var(--purple); font-weight:700;}
.dual-box p{font-size:13.3px; color:var(--ink-soft); margin-top:8px;}
.method-row{display:grid; grid-template-columns:repeat(3,1fr); gap:14px;}
.method-tile{background:var(--paper); border:2px solid var(--line-soft); border-radius:10px; padding:14px 16px;}
.method-tile b{display:block; font-size:13.3px; margin-bottom:4px;}
.method-tile span{font-size:12px; color:var(--ink-soft);}
@media (max-width:860px){
  .method-card{padding:26px 22px;}
  .dual-row{grid-template-columns:1fr;}
  .method-row{grid-template-columns:1fr;}
}

/* ============ 16. PARTNERSHIP ============ */
#partnership{padding:84px 0; border-bottom:3px solid var(--line); background:var(--paper-raised);}
.partner-flow{display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-bottom:56px;}
.pflow-step{border:2.5px solid var(--line); border-radius:12px; padding:24px; background:var(--paper); position:relative;}
.pflow-step .pnum{
  position:absolute; top:-16px; left:20px; width:34px;height:34px; border-radius:50%;
  background:var(--yellow); border:2.5px solid var(--line); display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-size:15px; color:var(--yellow-ink);
}
.pflow-step h4{margin-top:12px; font-size:15.5px; font-weight:700;}
.pflow-step p{font-size:13px; color:var(--ink-soft); margin-top:8px;}
.benefit-band{
  display:grid; grid-template-columns:1.1fr repeat(3,1fr); gap:0;
  border:3px solid var(--line); border-radius:var(--radius); overflow:hidden; box-shadow:var(--panel-shadow);
}
.benefit-lead{background:var(--ink); color:#fff; padding:32px 28px; display:flex; flex-direction:column; justify-content:center; gap:10px;}
.benefit-lead h3{font-family:var(--font-display); font-size:22px; color:#fff; line-height:1.3;}
.benefit-lead p{font-size:12.8px; color:#AEB6D4;}
.benefit-cell{padding:28px 24px; border-left:2.5px solid var(--line-soft); background:var(--paper);}
.benefit-cell .bn{font-family:'JetBrains Mono'; font-size:11px; color:var(--blue-deep); font-weight:700;}
.benefit-cell h4{font-size:14.5px; font-weight:700; margin:10px 0 6px;}
.benefit-cell p{font-size:12.5px; color:var(--ink-soft);}
@media (max-width:900px){
  .partner-flow{grid-template-columns:1fr;}
  .benefit-band{grid-template-columns:1fr;}
  .benefit-cell{border-left:none; border-top:2.5px solid var(--line-soft);}
}

/* ============ 17. FOOTER ============ */
#site-footer{padding:64px 0 34px; background:var(--ink); color:var(--paper);}
#site-footer .wrap{display:flex; flex-direction:column; gap:36px;}
.footer-top{display:flex; justify-content:space-between; align-items:flex-start; gap:30px; flex-wrap:wrap;}
.footer-brand{display:flex; align-items:center; gap:10px; margin-bottom:18px;}
/* 푸터 로고도 원본 하단 투명 여백을 잘라 표시 (그림 영역 y 9~272 / 344) */
.footer-logo-box{
  display:flex; align-items:flex-start; overflow:hidden;
  height:42px; background:#fff; border-radius:10px; padding:0 13px;
}
.footer-logo-box img{height:52px; width:auto; display:block;}
.footer-cta-line{font-family:var(--font-display); font-size:clamp(22px,3vw,32px); max-width:520px; color:#fff;}
.footer-links{display:flex; gap:36px; flex-wrap:wrap;}
.footer-col{font-size:13px; color:#AEB6D4; display:flex; flex-direction:column; gap:8px;}
.footer-col .h4{font-family:'JetBrains Mono'; font-size:11px; color:var(--yellow); letter-spacing:0.08em; margin-bottom:4px;}
.footer-col a{color:#C7CEE0; text-decoration:none;}
.footer-col a:hover{color:#fff;}
/* 주소 블록 */
.addr-block{
  margin-top:6px; padding:12px 14px; border-radius:10px;
  border:1px solid rgba(255,255,255,0.18); background:rgba(255,255,255,0.06);
  display:flex; flex-direction:column; gap:6px;
}
.addr-block .k{
  font-family:'JetBrains Mono',monospace; font-size:10.5px; letter-spacing:0.1em;
  color:var(--yellow); font-weight:700;
}
.addr-block .addr-line{color:#E7EBF7; font-size:12.8px; line-height:1.5;}
.addr-block a.map-link{
  font-family:'JetBrains Mono',monospace; font-size:11.5px; color:#9FD8F5;
  text-decoration:none; display:inline-flex; align-items:center; gap:5px;
}
.addr-block a.map-link:hover{color:#fff; text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.14); padding-top:22px;
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
  font-size:12px; color:#767E9E;
}
@media (max-width:700px){ .footer-top{flex-direction:column;} .footer-links{gap:26px;} }

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;}
}