/* ==========================================================================
   TopEduPrep — Brand Design System
   Navy / Gold / Paper — Playfair Display · Lora · Inter · JetBrains Mono
   ========================================================================== */

:root{
  --navy: #0B1F3A;
  --navy-2: #12294D;
  --navy-3: #1C3A66;
  --gold: #C9A227;
  --gold-light: #E4C766;
  --gold-soft: #F3E7BE;
  --cream: #F7F4EC;
  --paper: #FFFFFF;
  --ink: #1B1F27;
  --ink-soft: #4A5063;
  --line: #E4DFD0;
  --red: #A6402C;
  --green: #2F6D4F;

  --serif: 'Playfair Display', 'Noto Serif KR', serif;
  --serif-body: 'Lora', 'Noto Serif KR', serif;
  --sans: 'Inter', 'Pretendard', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  --maxw: 1160px;
  --radius: 4px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--cream);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;margin:0 0 .5em;letter-spacing:-.01em;color:var(--navy);}
p{margin:0 0 1em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.mono{font-family:var(--mono);}
.eyebrow{
  font-family:var(--mono);
  font-size:.75rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold);
  font-weight:600;
  display:inline-block;
  margin-bottom:.9em;
}
::selection{background:var(--gold-soft);}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;}

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--navy);
  border-bottom:1px solid rgba(201,162,39,.35);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 24px;
  max-width:var(--maxw); margin:0 auto;
}
.brand{
  display:flex; align-items:center; gap:10px;
  color:var(--paper); font-family:var(--serif); font-size:1.28rem; font-weight:700;
}
.brand .mark{
  width:34px;height:34px;border:1.5px solid var(--gold);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold-light); font-family:var(--serif); font-size:1rem; font-weight:700;
  border-radius:2px;
}
.brand small{display:block;font-family:var(--sans);font-size:.6rem;letter-spacing:.12em;color:var(--gold-light);font-weight:500;text-transform:uppercase;}
nav.mainnav{display:flex;gap:2px;}
nav.mainnav a{
  color:#D9DEEA; font-size:.88rem; font-weight:500; padding:10px 13px; border-radius:3px;
  transition:.15s;
}
nav.mainnav a:hover,nav.mainnav a.active{background:rgba(201,162,39,.14);color:var(--gold-light);}
.header-cta{
  display:flex; align-items:center; gap:10px;
}
.btn-phone{
  font-family:var(--mono); color:var(--gold-light); font-size:.82rem; border:1px solid rgba(201,162,39,.4);
  padding:8px 12px; border-radius:3px; white-space:nowrap;
}
.navtoggle{display:none;background:none;border:1px solid rgba(201,162,39,.4);color:var(--gold-light);width:40px;height:36px;border-radius:3px;font-size:1.1rem;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-weight:600; font-size:.92rem; padding:13px 22px; border-radius:3px;
  border:1px solid transparent; cursor:pointer; transition:.15s;
}
.btn-gold{background:var(--gold);color:var(--navy);}
.btn-gold:hover{background:var(--gold-light);}
.btn-outline{border-color:rgba(255,255,255,.5);color:var(--paper);}
.btn-outline:hover{background:rgba(255,255,255,.1);}
.btn-navy{background:var(--navy);color:var(--paper);}
.btn-navy:hover{background:var(--navy-3);}
.btn-line{border:1px solid var(--line);color:var(--navy);background:var(--paper);}
.btn-line:hover{border-color:var(--gold);}

/* ---------- hero ---------- */
.hero{
  background:linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 78%,var(--navy-2) 100%);
  color:var(--paper); padding:78px 0 64px; position:relative; overflow:hidden;
}
.hero::after{
  content:''; position:absolute; inset:0;
  background-image:radial-gradient(circle at 82% 18%, rgba(201,162,39,.18), transparent 42%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;}
.hero h1{color:var(--paper);font-size:clamp(1.9rem,4vw,3.15rem);line-height:1.18;max-width:820px;}
.hero .lede{font-family:var(--serif-body);font-size:1.15rem;color:#C9CFDE;max-width:640px;margin-bottom:1.6em;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:1.6em;}

/* ---------- bridge clock (signature element) ---------- */
.bridge{
  background:var(--navy-2); border:1px solid rgba(201,162,39,.28);
  border-radius:6px; padding:20px 22px; margin-top:38px;
}
.bridge-label{font-family:var(--mono);font-size:.72rem;color:var(--gold-light);letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.bridge-label .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(47,109,79,.25);animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.45;}}
.bridge-row{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;}
.bridge-city{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:4px;padding:12px 10px;text-align:center;}
.bridge-city .city{font-size:.72rem;color:#AEB6C9;letter-spacing:.03em;margin-bottom:6px;}
.bridge-city .time{font-family:var(--mono);font-size:1.2rem;color:var(--gold-light);font-weight:600;}
.bridge-city .date{font-size:.66rem;color:#7E88A0;margin-top:3px;}
@media(max-width:760px){.bridge-row{grid-template-columns:repeat(3,1fr);}.bridge-row .bridge-city:nth-child(4),.bridge-row .bridge-city:nth-child(5){display:none;}}

/* ---------- sections ---------- */
section{padding:64px 0;}
section.alt{background:var(--paper);}
section.navy{background:var(--navy);color:var(--paper);}
section.navy h2{color:var(--paper);}
.section-head{max-width:640px;margin-bottom:42px;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);}
.section-head p{color:var(--ink-soft);font-family:var(--serif-body);font-size:1.03rem;}

/* ---------- cards / grid ---------- */
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}}

.card{
  background:var(--paper); border:1px solid var(--line); border-radius:6px; padding:26px;
  transition:.18s;
}
.card:hover{border-color:var(--gold);box-shadow:0 6px 22px rgba(11,31,58,.06);transform:translateY(-2px);}
.card .icon{width:42px;height:42px;border-radius:6px;background:var(--navy);color:var(--gold-light);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:1.05rem;margin-bottom:16px;}
.card h3{font-size:1.06rem;margin-bottom:.5em;}
.card p{color:var(--ink-soft);font-size:.92rem;margin-bottom:0;}

.tag{display:inline-block;font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;background:var(--gold-soft);color:#7A5E10;padding:4px 9px;border-radius:3px;font-weight:600;text-transform:uppercase;margin-right:6px;}

/* ---------- branch cards ---------- */
.branch-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;overflow:hidden;}
.branch-top{background:var(--navy);color:var(--paper);padding:22px 24px;position:relative;}
.branch-top .badge{position:absolute;top:16px;right:16px;font-family:var(--mono);font-size:.7rem;color:var(--gold-light);border:1px solid rgba(201,162,39,.4);padding:3px 8px;border-radius:3px;}
.branch-top h3{color:var(--paper);margin-bottom:.2em;}
.branch-top .station{font-family:var(--mono);font-size:.82rem;color:var(--gold-light);}
.branch-body{padding:22px 24px;}
.branch-body ul{margin:0;padding-left:18px;color:var(--ink-soft);font-size:.9rem;}
.branch-body li{margin-bottom:6px;}

/* ---------- table ---------- */
table{width:100%;border-collapse:collapse;background:var(--paper);}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:.9rem;}
th{background:var(--navy);color:var(--gold-light);font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;font-weight:600;}
tr:last-child td{border-bottom:none;}
td.mono, th.mono{font-family:var(--mono);}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:6px;}
.table-wrap table{border-radius:6px;overflow:hidden;}

/* ---------- footer ---------- */
footer{background:var(--navy);color:#B9C0D2;padding:52px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px;}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr;}}
footer h4{color:var(--gold-light);font-family:var(--sans);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px;font-weight:600;}
footer a{color:#B9C0D2;font-size:.88rem;display:block;margin-bottom:9px;}
footer a:hover{color:var(--gold-light);}
.footer-brand{font-family:var(--serif);color:var(--paper);font-size:1.2rem;margin-bottom:10px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;font-size:.78rem;color:#7E88A0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;}

/* ---------- misc components ---------- */
.divider{height:1px;background:var(--line);margin:48px 0;}
.stat{text-align:center;}
.stat .num{font-family:var(--serif);font-size:2.4rem;color:var(--navy);font-weight:700;}
.stat .label{font-size:.82rem;color:var(--ink-soft);}
.quote{font-family:var(--serif-body);font-style:italic;font-size:1.05rem;color:var(--navy);}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);padding:6px 12px;border-radius:20px;color:#D9DEEA;}

.breadcrumb{font-family:var(--mono);font-size:.78rem;color:var(--ink-soft);padding:18px 0;}
.breadcrumb a{color:var(--navy-3);}
.breadcrumb span{color:var(--ink-soft);}

/* ---------- responsive nav ---------- */
@media(max-width:960px){
  nav.mainnav{
    position:fixed; inset:60px 0 0 0; background:var(--navy); flex-direction:column;
    padding:20px; gap:4px; transform:translateX(100%); transition:.25s; overflow-y:auto;
  }
  nav.mainnav.open{transform:translateX(0);}
  nav.mainnav a{padding:14px 10px;border-bottom:1px solid rgba(255,255,255,.06);}
  .navtoggle{display:block;}
  .header-cta .btn-phone{display:none;}
  .footer-grid{gap:26px;}
}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(135deg,var(--navy),var(--navy-3));
  border-radius:10px; padding:44px; color:var(--paper);
  display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
  position:relative; overflow:hidden;
}
.cta-banner::before{content:'';position:absolute;top:-40%;right:-8%;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(201,162,39,.22),transparent 70%);}
.cta-banner h3{color:var(--paper);margin-bottom:.2em;position:relative;}
.cta-banner p{color:#C9CFDE;margin-bottom:0;position:relative;}
.cta-actions{position:relative;display:flex;gap:10px;flex-wrap:wrap;}

/* ---------- print ---------- */
@media print{
  .site-header,footer,.no-print{display:none!important;}
  body{background:#fff;}
}