/* ============================================================
   시험 나침반 (Exam Compass) — 탑에듀프렙 디자인 시스템
   Concept: 입시 정보의 "나침반" — 헷갈리는 두 갈래 길에서
   방향을 짚어주는 에디토리얼 비교 저널.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700;9..144,800&family=Noto+Sans+KR:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  /* --- Color tokens --- */
  --paper:#F6F2E8;
  --paper-soft:#EFE9DB;
  --ink:#1C2740;
  --ink-soft:#4B5468;
  --line:#DAD2BC;
  --gold:#B07C33;
  --gold-soft:#EADFC3;

  --left:#BD5B47;      /* SAT / 왼쪽 트랙 */
  --left-soft:#F3DFD6;
  --right:#2E6B63;     /* ACT / 오른쪽 트랙 */
  --right-soft:#D9E6E1;

  --white:#FFFDF8;

  --font-display:'Fraunces', 'Noto Serif KR', serif;
  --font-body:'Noto Sans KR', -apple-system, sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  --radius:2px;
  --shadow-card: 0 1px 0 rgba(28,39,64,0.06), 0 8px 24px -16px rgba(28,39,64,0.25);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.22;margin:0 0 .5em;color:var(--ink);}
p{margin:0 0 1.1em;color:var(--ink-soft);}
.container{max-width:1120px;margin:0 auto;padding:0 24px;}
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--gold);display:inline-block;}

/* Focus visibility */
a:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
@media (prefers-reduced-motion: reduce){*{animation:none !important;transition:none !important;}}

/* ---------------- Header ---------------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,242,232,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;max-width:1120px;margin:0 auto;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand .mark{width:30px;height:30px;flex:none;}
.brand-text{font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--ink);}
.brand-text small{display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;color:var(--ink-soft);font-weight:600;text-transform:uppercase;}
nav.main-nav{display:flex;gap:28px;font-size:14.5px;font-weight:600;}
nav.main-nav a{text-decoration:none;color:var(--ink-soft);position:relative;padding:4px 0;}
nav.main-nav a:hover, nav.main-nav a.active{color:var(--ink);}
nav.main-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--gold);}
.header-cta{
  font-family:var(--font-mono);font-size:12.5px;font-weight:600;
  border:1px solid var(--ink);padding:8px 14px;text-decoration:none;
  white-space:nowrap;
}
.mobile-hide{display:flex;}
@media(max-width:860px){
  nav.main-nav{display:none;}
  .header-cta{padding:7px 11px;font-size:11.5px;}
}

/* Breadcrumb */
.breadcrumb{
  font-family:var(--font-mono);font-size:12px;color:var(--ink-soft);
  padding:14px 24px 0;max-width:1120px;margin:0 auto;
}
.breadcrumb a{text-decoration:none;border-bottom:1px dotted var(--ink-soft);}
.breadcrumb span{margin:0 6px;color:var(--gold);}

/* ---------------- Hero: Compass ---------------- */
.hero{
  padding:64px 24px 56px;max-width:1120px;margin:0 auto;
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
}
.hero h1{font-size:clamp(32px,4.4vw,50px);letter-spacing:-.01em;}
.hero .lede{font-size:18px;max-width:52ch;}
.hero-meta{
  display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;
  font-family:var(--font-mono);font-size:12px;color:var(--ink-soft);
}
.hero-meta span{display:flex;align-items:center;gap:6px;}
.hero-meta b{color:var(--ink);}
.compass-wrap{display:flex;justify-content:center;}
@media(max-width:900px){.hero{grid-template-columns:1fr;gap:28px;padding-top:40px;}}

/* Compass SVG rotation */
.needle{transform-origin:100px 100px;animation:settle 2.4s cubic-bezier(.2,.9,.25,1) 1;}
@keyframes settle{
  0%{transform:rotate(-46deg);}
  55%{transform:rotate(8deg);}
  100%{transform:rotate(0deg);}
}

/* ---------------- VS split ---------------- */
.vs-split{
  display:grid;grid-template-columns:1fr auto 1fr;gap:0;
  border:1px solid var(--ink);margin:8px 24px 48px;max-width:1072px;margin-left:auto;margin-right:auto;
  background:var(--white);
}
.vs-panel{padding:34px 32px;}
.vs-panel.left{border-right:1px solid var(--ink);background:linear-gradient(180deg,var(--left-soft),transparent 60%);}
.vs-panel.right{background:linear-gradient(180deg,var(--right-soft),transparent 60%);}
.vs-panel .tag{
  font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:3px 9px;display:inline-block;margin-bottom:12px;color:var(--white);
}
.vs-panel.left .tag{background:var(--left);}
.vs-panel.right .tag{background:var(--right);}
.vs-panel h3{font-size:24px;margin-bottom:10px;}
.vs-panel ul{margin:0;padding-left:18px;color:var(--ink-soft);font-size:14.5px;}
.vs-panel li{margin-bottom:7px;}
.vs-divider{
  display:flex;align-items:center;justify-content:center;padding:0 18px;
  font-family:var(--font-display);font-weight:700;font-size:20px;color:var(--gold);
  background:var(--paper-soft);border-left:1px solid var(--ink);border-right:1px solid var(--ink);
}
@media(max-width:760px){
  .vs-split{grid-template-columns:1fr;}
  .vs-panel.left{border-right:none;border-bottom:1px solid var(--ink);}
  .vs-divider{border-left:none;border-right:none;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:10px;}
}

/* ---------------- Sections ---------------- */
section.block{padding:8px 24px 52px;max-width:1120px;margin:0 auto;}
section.block.narrow{max-width:820px;}
.block h2{font-size:clamp(24px,2.6vw,32px);}
.block .kicker{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--gold);text-transform:uppercase;font-weight:700;margin-bottom:8px;display:block;}

/* Comparison table */
.compare-table{width:100%;border-collapse:collapse;margin:20px 0 8px;font-size:14.5px;background:var(--white);border:1px solid var(--line);}
.compare-table th,.compare-table td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;}
.compare-table thead th{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  background:var(--ink);color:var(--white);font-weight:600;
}
.compare-table tbody tr:nth-child(odd){background:var(--paper-soft);}
.compare-table td:first-child, .compare-table th:first-child{font-weight:700;color:var(--ink);width:22%;}
.compare-table .col-left{border-left:3px solid var(--left);}
.compare-table .col-right{border-left:3px solid var(--right);}

/* Cards grid (hub page) */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:12px;}
@media(max-width:900px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:620px){.card-grid{grid-template-columns:1fr;}}
.article-card{
  background:var(--white);border:1px solid var(--line);padding:24px 22px;text-decoration:none;
  display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow-card);transition:transform .18s ease, box-shadow .18s ease;
}
.article-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px -18px rgba(28,39,64,.4);}
.article-card .cat{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);font-weight:700;}
.article-card h3{font-size:19px;margin:0;}
.article-card p{font-size:13.8px;margin:0;color:var(--ink-soft);flex:1;}
.article-card .read{font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--ink);}

/* Callout / decision box */
.callout{
  border:1px solid var(--ink);background:var(--white);padding:26px 28px;margin:26px 0;
  position:relative;
}
.callout::before{content:"";position:absolute;top:0;left:0;width:5px;height:100%;background:var(--gold);}
.callout .kicker{margin-bottom:6px;}
.callout p:last-child{margin-bottom:0;}

/* Timeline */
.timeline{border-left:2px solid var(--line);margin:24px 4px 24px 6px;padding-left:0;list-style:none;}
.timeline li{position:relative;padding:0 0 30px 28px;}
.timeline li::before{
  content:"";position:absolute;left:-7px;top:4px;width:12px;height:12px;border-radius:50%;
  background:var(--white);border:2px solid var(--gold);
}
.timeline .date{font-family:var(--font-mono);font-size:12.5px;color:var(--gold);font-weight:700;display:block;margin-bottom:3px;}
.timeline h4{margin:0 0 4px;font-size:17px;}
.timeline p{margin:0;font-size:14px;}

/* FAQ */
details.faq{border-bottom:1px solid var(--line);padding:16px 0;}
details.faq summary{cursor:pointer;font-weight:700;font-size:15.5px;list-style:none;display:flex;justify-content:space-between;gap:12px;}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary::after{content:"+";font-family:var(--font-mono);color:var(--gold);font-size:18px;}
details.faq[open] summary::after{content:"–";}
details.faq p{margin:12px 0 0;font-size:14.5px;}

/* Related links strip */
.related{background:var(--paper-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:36px 24px;}
.related .container{max-width:1120px;}
.related-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px;}
@media(max-width:820px){.related-list{grid-template-columns:1fr;}}
.related-list a{
  display:block;background:var(--white);border:1px solid var(--line);padding:16px 18px;text-decoration:none;
  font-size:14px;font-weight:600;
}
.related-list a:hover{border-color:var(--ink);}
.related-list a small{display:block;font-family:var(--font-mono);font-weight:500;color:var(--ink-soft);margin-top:4px;font-size:11.5px;}

/* Consult strip (no forms — phone/kakao/naver only) */
.consult-strip{
  background:var(--ink);color:var(--paper);padding:44px 24px;
}
.consult-strip .container{max-width:1120px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;}
.consult-strip h3{color:var(--white);font-size:22px;margin-bottom:6px;}
.consult-strip p{color:#C9CDD8;margin:0;font-size:14px;}
.consult-links{display:flex;gap:10px;flex-wrap:wrap;}
.consult-links a{
  font-family:var(--font-mono);font-size:13px;font-weight:600;text-decoration:none;
  border:1px solid #4A5266;padding:11px 16px;color:var(--paper);white-space:nowrap;
}
.consult-links a.primary{background:var(--gold);border-color:var(--gold);color:var(--ink);}
.consult-links a:hover{border-color:var(--gold);}

/* Footer */
footer.site-footer{padding:48px 24px 28px;font-size:13px;color:var(--ink-soft);}
footer.site-footer .container{max-width:1120px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:28px;border-bottom:1px solid var(--line);}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-grid h5{font-family:var(--font-mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink);margin:0 0 12px;font-weight:700;}
.footer-grid ul{list-style:none;margin:0;padding:0;}
.footer-grid li{margin-bottom:8px;}
.footer-grid a{text-decoration:none;}
.footer-grid a:hover{color:var(--ink);}
.footer-bottom{padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;}

/* Utility */
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0;}
.tag-row span{font-family:var(--font-mono);font-size:11.5px;background:var(--paper-soft);border:1px solid var(--line);padding:5px 10px;color:var(--ink-soft);}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:36px;}
@media(max-width:760px){.two-col{grid-template-columns:1fr;}}
.stat-row{display:flex;gap:28px;flex-wrap:wrap;margin:22px 0;}
.stat{border-left:2px solid var(--gold);padding-left:14px;}
.stat b{display:block;font-family:var(--font-display);font-size:26px;color:var(--ink);}
.stat span{font-size:12.5px;color:var(--ink-soft);}