/* ==========================================================================
   TOP EDU PREP — Design System
   Concept: "성적표(transcript)" 미학 — 시험 점수 스케일 바를 시그니처 모티프로 사용.
   Display: Source Serif 4 / Body: Inter / Data-Utility: IBM Plex Mono
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700;8..60,800&family=Inter:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --navy-950:#0A1220;
  --navy-900:#0F1E3C;
  --navy-800:#182A4A;
  --navy-700:#23375C;
  --paper:#F7F5EF;
  --paper-dim:#EEEAE0;
  --paper-line:#E1DBCB;
  --ink:#16213E;
  --ink-soft:#4B5768;
  --ink-faint:#7B879C;
  --brass:#B8935F;
  --brass-light:#D9BC8C;
  --brass-dark:#8E6F45;
  --slate:#3D5A80;
  --good:#4C7A5E;
  --white:#FFFFFF;
  --line:rgba(22,33,62,.12);
  --line-soft:rgba(22,33,62,.08);
  --shadow-card:0 1px 2px rgba(15,30,60,.06), 0 10px 30px -14px rgba(15,30,60,.18);
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:20px;
  --maxw:1180px;
  --font-display:'Source Serif 4', ui-serif, Georgia, serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, 'Malgun Gothic', sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--navy-900);margin:0 0 .5em;line-height:1.2;font-weight:700;}
p{margin:0 0 1em;color:var(--ink-soft);}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
:focus-visible{outline:3px solid var(--brass);outline-offset:2px;}
.mono{font-family:var(--font-mono);}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;}

/* ---------- Score-scale signature motif ---------- */
.score-scale{
  display:flex;align-items:center;gap:2px;height:34px;
}
.score-scale .tick{flex:1;height:10px;background:rgba(255,255,255,.18);border-radius:1px;transition:height .2s;}
.score-scale .tick.on{background:var(--brass);height:26px;}
.score-scale.dark .tick{background:rgba(15,30,60,.12);}
.score-scale.dark .tick.on{background:var(--brass-dark);}
.scale-caption{
  display:flex;justify-content:space-between;font-family:var(--font-mono);
  font-size:11px;letter-spacing:.05em;color:var(--ink-faint);margin-top:6px;
}

/* ---------- Eyebrow / badge ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brass-dark);margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:'';width:18px;height:2px;background:var(--brass);display:inline-block;}
.eyebrow.on-dark{color:var(--brass-light);}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,18,32,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:76px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--white);}
.brand-mark{
  width:38px;height:38px;border:1.5px solid var(--brass);border-radius:4px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:700;color:var(--brass-light);font-size:17px;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-family:var(--font-display);font-size:18px;font-weight:700;letter-spacing:.01em;}
.brand-text span{font-family:var(--font-mono);font-size:10px;letter-spacing:.15em;color:var(--brass-light);}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  color:rgba(255,255,255,.78);font-size:14.5px;font-weight:500;
  padding:6px 2px;border-bottom:2px solid transparent;transition:.15s;
}
.nav-links a:hover,.nav-links a.active{color:var(--white);border-bottom-color:var(--brass);}
.nav-cta{
  display:flex;align-items:center;gap:10px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-weight:600;font-size:14.5px;
  padding:12px 22px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  transition:.15s;white-space:nowrap;
}
.btn-brass{background:var(--brass);color:var(--navy-950);}
.btn-brass:hover{background:var(--brass-light);}
.btn-outline{border-color:rgba(255,255,255,.3);color:var(--white);}
.btn-outline:hover{border-color:var(--brass);color:var(--brass-light);}
.btn-navy{background:var(--navy-900);color:var(--white);}
.btn-navy:hover{background:var(--navy-800);}
.btn-ghost{border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brass);color:var(--brass-dark);}
.btn-sm{padding:9px 16px;font-size:13.5px;}
.menu-toggle{display:none;background:none;border:0;color:var(--white);cursor:pointer;padding:8px;}
.menu-toggle svg{width:24px;height:24px;}

/* ---------- Hero ---------- */
.hero{
  background:radial-gradient(120% 140% at 15% -10%, #16274A 0%, var(--navy-950) 55%);
  color:var(--white);padding:76px 0 90px;position:relative;overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.hero::after{
  content:'';position:absolute;right:-140px;top:-120px;width:480px;height:480px;
  background:radial-gradient(circle, rgba(184,147,95,.16) 0%, transparent 70%);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative;}
.hero h1{color:var(--white);font-size:44px;letter-spacing:-.01em;margin-bottom:20px;}
.hero h1 em{color:var(--brass-light);font-style:normal;}
.hero p.lead{color:rgba(255,255,255,.72);font-size:17px;max-width:520px;}
.hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:0;margin-top:44px;border-top:1px solid rgba(255,255,255,.14);padding-top:24px;}
.hero-stat{flex:1;padding-right:20px;}
.hero-stat b{display:block;font-family:var(--font-display);font-size:26px;color:var(--brass-light);}
.hero-stat span{font-size:12.5px;color:rgba(255,255,255,.6);}
.hero-panel{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-l);padding:26px;backdrop-filter:blur(6px);
}
.hero-panel .panel-title{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--brass-light);text-transform:uppercase;margin-bottom:16px;}
.hero-panel-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.14);}
.hero-panel-row:last-child{border-bottom:0;}
.hero-panel-row .label{color:rgba(255,255,255,.7);font-size:14px;}
.hero-panel-row .val{font-family:var(--font-mono);color:var(--white);font-size:14px;}

/* ---------- Sections ---------- */
section{padding:88px 0;}
.section-dim{background:var(--paper-dim);}
.section-navy{background:var(--navy-900);color:var(--white);}
.section-navy p{color:rgba(255,255,255,.68);}
.section-navy h2,.section-navy h3{color:var(--white);}
.section-head{max-width:640px;margin-bottom:50px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:34px;}
.divider{height:1px;background:var(--line);margin:0;}

/* ---------- Grids / Cards ---------- */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{
  background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-m);
  padding:28px;box-shadow:var(--shadow-card);
}
.card-num{
  font-family:var(--font-mono);font-size:13px;color:var(--brass-dark);
  display:block;margin-bottom:10px;letter-spacing:.05em;
}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{font-size:14.5px;margin-bottom:0;}

.strength-card{
  background:var(--navy-900);color:var(--white);border-radius:var(--radius-m);padding:30px 26px;
  border:1px solid rgba(255,255,255,.08);
}
.strength-card .ico{
  width:44px;height:44px;border-radius:10px;background:rgba(184,147,95,.15);
  display:flex;align-items:center;justify-content:center;color:var(--brass-light);margin-bottom:18px;
}
.strength-card h3{color:var(--white);font-size:18px;}
.strength-card p{color:rgba(255,255,255,.66);font-size:14px;margin:0;}

.program-card{
  background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-l);
  overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;
}
.program-card .head{background:var(--navy-900);color:var(--white);padding:26px;}
.program-card .head .tag{font-family:var(--font-mono);font-size:11px;color:var(--brass-light);letter-spacing:.1em;text-transform:uppercase;}
.program-card .head h3{color:var(--white);margin:8px 0 0;font-size:22px;}
.program-card .body{padding:24px 26px 28px;flex:1;display:flex;flex-direction:column;}
.program-card .body ul{margin:16px 0 22px;}
.program-card .body li{
  font-size:14px;color:var(--ink-soft);padding:8px 0 8px 22px;border-top:1px solid var(--line-soft);position:relative;
}
.program-card .body li:first-child{border-top:0;}
.program-card .body li::before{content:'';position:absolute;left:0;top:15px;width:7px;height:7px;background:var(--brass);border-radius:1px;}

/* ---------- Blog / list cards ---------- */
.post-card{
  display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line-soft);
  border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-card);height:100%;
}
.post-card .thumb{
  height:150px;background:linear-gradient(135deg,var(--navy-900),var(--navy-700));
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.post-card .thumb span{font-family:var(--font-mono);color:var(--brass-light);font-size:12px;letter-spacing:.1em;z-index:2;}
.post-card .thumb .scale{position:absolute;bottom:0;left:0;right:0;padding:0 18px 14px;}
.post-card .body{padding:22px;flex:1;display:flex;flex-direction:column;}
.post-card .cat{font-family:var(--font-mono);font-size:11px;color:var(--brass-dark);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px;}
.post-card h3{font-size:17px;margin-bottom:8px;}
.post-card p{font-size:13.5px;flex:1;}
.post-card .meta{font-size:12px;color:var(--ink-faint);margin-top:14px;font-family:var(--font-mono);}

/* ---------- Table (exam dates) ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-m);background:var(--white);}
table{width:100%;border-collapse:collapse;font-size:14.5px;}
thead th{
  background:var(--navy-900);color:var(--white);text-align:left;padding:14px 18px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;font-weight:600;
}
tbody td{padding:14px 18px;border-top:1px solid var(--line-soft);color:var(--ink-soft);}
tbody tr:nth-child(even){background:var(--paper-dim);}
tbody td.hl{font-family:var(--font-mono);color:var(--navy-900);font-weight:600;}

/* ---------- Timeline ---------- */
.timeline{border-left:2px solid var(--line);margin-left:6px;padding-left:30px;}
.timeline-item{position:relative;padding-bottom:36px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:'';position:absolute;left:-37px;top:4px;width:12px;height:12px;border-radius:50%;
  background:var(--brass);border:3px solid var(--paper);box-shadow:0 0 0 2px var(--brass);
}
.timeline-item .t-label{font-family:var(--font-mono);font-size:12px;color:var(--brass-dark);margin-bottom:4px;letter-spacing:.05em;}
.timeline-item h4{font-size:17px;margin-bottom:6px;}
.timeline-item p{font-size:14px;margin:0;}

/* ---------- Quote / review ---------- */
.review-card{
  background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-m);
  padding:26px;box-shadow:var(--shadow-card);
}
.review-stars{color:var(--brass);letter-spacing:2px;margin-bottom:12px;font-size:14px;}
.review-card p.quote{font-size:15px;color:var(--ink);margin-bottom:16px;}
.review-foot{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--ink-faint);border-top:1px solid var(--line-soft);padding-top:14px;font-family:var(--font-mono);}
.review-tag{
  display:inline-block;background:var(--paper-dim);color:var(--slate);padding:3px 10px;border-radius:999px;
  font-size:11.5px;margin-right:6px;margin-bottom:14px;font-family:var(--font-mono);
}

/* ---------- Locations ---------- */
.loc-card{background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-m);padding:26px;box-shadow:var(--shadow-card);}
.loc-card .loc-tag{font-family:var(--font-mono);font-size:11px;color:var(--brass-dark);letter-spacing:.08em;text-transform:uppercase;}
.loc-card h3{font-size:20px;margin:8px 0 14px;}
.loc-list{margin-bottom:18px;}
.loc-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-soft);padding:6px 0;}
.loc-list li b{color:var(--ink);font-weight:600;min-width:52px;}

/* ---------- Contact channels ---------- */
.channel-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.channel-btn{
  display:flex;align-items:center;gap:10px;background:var(--white);border:1px solid var(--line);
  border-radius:999px;padding:12px 20px;font-size:14px;font-weight:600;color:var(--ink);transition:.15s;
}
.channel-btn:hover{border-color:var(--brass);color:var(--brass-dark);}
.channel-btn .dot{width:9px;height:9px;border-radius:50%;background:var(--brass);}

/* ---------- Form ---------- */
.form-card{background:var(--white);border:1px solid var(--line-soft);border-radius:var(--radius-l);padding:36px;box-shadow:var(--shadow-card);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
.form-field{display:flex;flex-direction:column;gap:6px;}
.form-field label{font-size:13px;font-weight:600;color:var(--ink);}
.form-field input,.form-field select,.form-field textarea{
  border:1px solid var(--line);border-radius:var(--radius-s);padding:12px 14px;font-family:var(--font-body);
  font-size:14.5px;background:var(--paper);color:var(--ink);
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:2px solid var(--brass);border-color:var(--brass);}

/* ---------- Mock Test Widget ---------- */
.mocktest-shell{background:var(--navy-950);border-radius:var(--radius-l);overflow:hidden;border:1px solid rgba(255,255,255,.08);box-shadow:0 30px 60px -30px rgba(0,0,0,.5);}
.mt-topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--navy-900);border-bottom:1px solid rgba(255,255,255,.08);flex-wrap:wrap;gap:12px;}
.mt-topbar .mt-brand{font-family:var(--font-mono);font-size:12px;color:var(--brass-light);letter-spacing:.1em;text-transform:uppercase;}
.mt-timer{font-family:var(--font-mono);font-size:20px;color:var(--white);background:rgba(255,255,255,.06);padding:6px 16px;border-radius:8px;letter-spacing:.05em;}
.mt-timer.low{color:#E08A8A;}
.mt-body{padding:34px;color:var(--white);}
.mt-progress{display:flex;gap:6px;margin-bottom:26px;flex-wrap:wrap;}
.mt-dot{
  width:30px;height:30px;border-radius:6px;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:12px;background:rgba(255,255,255,.06);color:rgba(255,255,255,.5);
  border:1px solid rgba(255,255,255,.1);cursor:pointer;
}
.mt-dot.current{background:var(--brass);color:var(--navy-950);border-color:var(--brass);}
.mt-dot.answered{background:rgba(76,122,94,.35);color:#B7D8C4;border-color:rgba(76,122,94,.5);}
.mt-dot.flag{border-color:var(--brass-light);}
.mt-qhead{font-family:var(--font-mono);font-size:12px;color:var(--brass-light);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;}
.mt-question{font-size:18px;line-height:1.65;margin-bottom:24px;font-family:var(--font-body);color:var(--white);}
.mt-options{display:flex;flex-direction:column;gap:10px;margin-bottom:28px;}
.mt-option{
  display:flex;align-items:center;gap:14px;padding:14px 18px;border:1px solid rgba(255,255,255,.14);
  border-radius:10px;cursor:pointer;background:rgba(255,255,255,.02);transition:.12s;text-align:left;
}
.mt-option:hover{border-color:var(--brass-light);background:rgba(255,255,255,.05);}
.mt-option.selected{border-color:var(--brass);background:rgba(184,147,95,.14);}
.mt-option .letter{
  width:28px;height:28px;border-radius:50%;border:1.5px solid rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:13px;flex-shrink:0;
}
.mt-option.selected .letter{background:var(--brass);border-color:var(--brass);color:var(--navy-950);}
.mt-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;}
.mt-start{padding:60px 34px;text-align:center;}
.mt-start h3{color:var(--white);font-size:26px;}
.mt-start p{color:rgba(255,255,255,.65);max-width:480px;margin:0 auto 28px;}
.mt-module-pick{display:flex;gap:14px;justify-content:center;margin-bottom:30px;flex-wrap:wrap;}
.mt-module-btn{
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.03);color:var(--white);
  padding:16px 22px;border-radius:12px;cursor:pointer;font-family:var(--font-body);font-weight:600;text-align:left;min-width:180px;
}
.mt-module-btn small{display:block;font-family:var(--font-mono);font-weight:400;color:rgba(255,255,255,.55);font-size:12px;margin-top:6px;}
.mt-module-btn.active{border-color:var(--brass);background:rgba(184,147,95,.12);}
.mt-result{padding:50px 34px;text-align:center;}
.mt-result .big-score{font-family:var(--font-display);font-size:54px;color:var(--brass-light);margin:14px 0;}
.mt-hint{background:rgba(184,147,95,.08);border:1px solid rgba(184,147,95,.25);border-radius:10px;padding:16px 18px;font-size:13.5px;color:rgba(255,255,255,.72);margin-top:20px;}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--line);padding:20px 0;}
.faq-q{display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:600;font-size:16px;color:var(--navy-900);}
.faq-q .plus{font-family:var(--font-mono);color:var(--brass-dark);font-size:20px;transition:.2s;}
.faq-item.open .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-item.open .faq-a{max-height:400px;padding-top:12px;}
.faq-a p{font-size:14.5px;margin:0;}

/* ---------- Breadcrumb ---------- */
.crumb{font-family:var(--font-mono);font-size:12px;color:var(--ink-faint);margin-bottom:18px;}
.crumb a{color:var(--slate);}
.crumb a:hover{color:var(--brass-dark);}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--navy-900);color:var(--white);border-radius:var(--radius-l);padding:56px;
  display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;
  background-image:radial-gradient(60% 140% at 90% 0%, rgba(184,147,95,.14), transparent);
}
.cta-band h2{color:var(--white);font-size:28px;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.66);margin:0;}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-950);color:rgba(255,255,255,.62);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;}
.footer-col h4{color:var(--white);font-family:var(--font-body);font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:6px 0;}
.footer-col a:hover{color:var(--brass-light);}
.footer-brand p{font-size:13.5px;color:rgba(255,255,255,.5);max-width:280px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12.5px;color:rgba(255,255,255,.4);
}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:760px){
  .nav-links,.nav-cta .btn-outline{display:none;}
  .menu-toggle{display:inline-flex;}
  .hero h1{font-size:32px;}
  section{padding:60px 0;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;text-align:center;padding:40px 26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .mt-body{padding:22px;}
  .section-head h2{font-size:26px;}
  .hero-stats{flex-wrap:wrap;}
  .hero-stat{flex:0 0 50%;margin-bottom:16px;}
}

/* ---------- Mobile nav drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;background:var(--navy-950);z-index:200;display:none;flex-direction:column;padding:26px 24px;
}
.mobile-drawer.open{display:flex;}
.mobile-drawer .drawer-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;}
.mobile-drawer a{color:var(--white);font-size:19px;font-family:var(--font-display);padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);}
.mobile-drawer .close-btn{background:none;border:0;color:var(--white);font-size:26px;cursor:pointer;}