/* ==========================================================================
   TopEduPrep 탑에듀프렙 — Design tokens
   Concept: "Boarding Pass to College" — 유학/해외시험 전문학원을 항공권·여권
   스탬프 모티프로 표현. Navy + Customs-stamp red + brass, Fraunces/Plex 조합.
   ========================================================================== */
:root{
  --navy-deep:#081B30;
  --navy:#0E2A47;
  --navy-soft:#1B3B5F;
  --paper:#EEF1EC;
  --paper-card:#F8F9F5;
  --ink:#1C2230;
  --ink-soft:#4A5568;
  --stamp-red:#9C2B2B;
  --stamp-red-deep:#7A2020;
  --brass:#B98A2E;
  --emerald:#1F6F5C;
  --line:#D7DACF;
  --radius:2px;
  --max:1180px;
  --font-display:'Fraunces', 'Noto Serif KR', serif;
  --font-body:'IBM Plex Sans KR','Inter',sans-serif;
  --font-mono:'IBM Plex Mono',monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.15;margin:0 0 .5em;color:var(--navy-deep);}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:700;}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;color:var(--ink-soft);}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--stamp-red);
  display:inline-flex;
  align-items:center;
  gap:.5em;
  margin-bottom:.9em;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--stamp-red);display:inline-block;}
:focus-visible{outline:3px solid var(--brass);outline-offset:2px;}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important;}}

/* ---------- Skip link / A11y ---------- */
.skip-link{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:999;}
.skip-link:focus{left:12px;top:12px;}

/* ---------- Top ticker (flight-info bar) ---------- */
.ticker{
  background:var(--navy-deep);
  color:#CFE0D8;
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.02em;
  overflow:hidden;
  white-space:nowrap;
  border-bottom:1px solid var(--navy-soft);
}
.ticker__track{
  display:inline-block;
  padding-left:100%;
  animation:ticker 32s linear infinite;
}
@keyframes ticker{from{transform:translateX(0);}to{transform:translateX(-100%);}}
.ticker span{margin-right:3.5em;color:#9FD8C4;}
.ticker span b{color:#fff;}

/* ---------- Header ---------- */
header.site{
  background:var(--navy);
  color:#fff;
  position:sticky;top:0;z-index:100;
  border-bottom:3px solid var(--stamp-red);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:1.3rem;font-weight:700;color:#fff;}
.brand small{display:block;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.16em;color:var(--brass);font-weight:400;}
.brand .mark{
  width:34px;height:34px;border:2px solid var(--brass);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);
  font-size:.7rem;color:var(--brass);flex:none;
}
.menu{display:flex;gap:6px;flex-wrap:wrap;list-style:none;margin:0;padding:0;font-size:.92rem;}
.menu a{padding:8px 12px;border-radius:var(--radius);opacity:.88;}
.menu a:hover,.menu a[aria-current="page"]{opacity:1;background:rgba(255,255,255,.08);color:var(--brass);}
.nav-cta{
  background:var(--stamp-red);color:#fff;padding:9px 18px;font-weight:600;font-size:.88rem;
  border-radius:var(--radius);white-space:nowrap;border:1px solid var(--stamp-red-deep);
}
.nav-cta:hover{background:var(--stamp-red-deep);}
.burger{display:none;background:none;border:1px solid rgba(255,255,255,.4);color:#fff;padding:8px 10px;border-radius:var(--radius);}
@media (max-width:940px){
  .menu{display:none;width:100%;order:3;flex-direction:column;gap:2px;padding-top:10px;border-top:1px solid rgba(255,255,255,.15);}
  .menu.open{display:flex;}
  .nav{flex-wrap:wrap;}
  .burger{display:block;}
}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(ellipse at 80% -10%, rgba(185,138,46,.18), transparent 55%),
    linear-gradient(180deg,var(--navy-deep),var(--navy) 70%);
  color:#F3F1E8;
  padding:72px 0 60px;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,transparent,transparent 78px,rgba(255,255,255,.035) 79px,rgba(255,255,255,.035) 80px);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;position:relative;}
@media (max-width:880px){.hero-grid{grid-template-columns:1fr;}}
.hero h1{color:#fff;}
.hero .lede{color:#C9D3CD;font-size:1.08rem;max-width:52ch;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:1.6em;}
.btn{
  display:inline-flex;align-items:center;gap:.5em;padding:13px 22px;font-weight:600;font-size:.95rem;
  border-radius:var(--radius);border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--stamp-red);color:#fff;border-color:var(--stamp-red-deep);}
.btn-primary:hover{background:var(--stamp-red-deep);}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1);}
.btn-brass{background:var(--brass);color:var(--navy-deep);border-color:#8f6c22;}

/* ---------- Boarding pass card (SIGNATURE ELEMENT) ---------- */
.boarding-pass{
  background:var(--paper-card);
  color:var(--ink);
  border-radius:6px;
  display:grid;
  grid-template-columns:1fr auto;
  box-shadow:0 24px 50px -20px rgba(4,15,28,.55);
  position:relative;
}
.boarding-pass::before,.boarding-pass::after{
  content:"";position:absolute;top:calc(100% - 0px);width:0;
}
.bp-main{padding:22px 20px;border-right:2px dashed var(--line);position:relative;}
.bp-stub{padding:22px 16px;display:flex;flex-direction:column;justify-content:space-between;min-width:118px;background:repeating-linear-gradient(135deg,transparent,transparent 6px,#e9ece3 6px,#e9ece3 7px);}
.bp-row{display:flex;justify-content:space-between;gap:14px;margin-bottom:14px;}
.bp-label{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.1em;color:var(--ink-soft);text-transform:uppercase;display:block;margin-bottom:3px;}
.bp-value{font-family:var(--font-display);font-weight:600;font-size:1.05rem;}
.bp-route{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:.85rem;color:var(--stamp-red);margin:10px 0 16px;}
.bp-route .line{flex:1;height:1px;background:var(--stamp-red);position:relative;}
.bp-route .line::after{content:"✈";position:absolute;right:0;top:-9px;font-size:.9rem;}
.bp-stub .bp-value{font-size:1.4rem;}
.bp-barcode{height:34px;background:repeating-linear-gradient(90deg,#1C2230 0 2px,transparent 2px 4px,#1C2230 4px 5px,transparent 5px 8px);margin-top:6px;}

/* ---------- Stamp badge ---------- */
.stamp{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;
  width:96px;height:96px;border-radius:50%;border:2.5px solid var(--stamp-red);
  color:var(--stamp-red);font-family:var(--font-mono);text-align:center;
  transform:rotate(-8deg);flex:none;
  font-size:.66rem;letter-spacing:.04em;line-height:1.3;
  position:relative;
}
.stamp::before{content:"";position:absolute;inset:6px;border:1px solid var(--stamp-red);border-radius:50%;opacity:.6;}
.stamp b{font-family:var(--font-display);font-size:1rem;display:block;}

/* ---------- Sections ---------- */
section{padding:64px 0;}
.section-alt{background:var(--paper-card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-navy{background:var(--navy-deep);color:#EDEEE6;}
.section-navy h2{color:#fff;}
.section-navy p{color:#B9C4BE;}
.head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.head-row p{max-width:56ch;margin:0;}

/* ---------- Grid / cards ---------- */
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:920px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:620px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}}

.card{
  background:var(--paper-card);border:1px solid var(--line);border-radius:4px;padding:26px 24px;
  position:relative;
}
.card .num{font-family:var(--font-mono);color:var(--brass);font-size:.75rem;letter-spacing:.1em;display:block;margin-bottom:10px;}
.pillar{border-top:3px solid var(--stamp-red);}
.pillar.online{border-top-color:var(--emerald);}
.pillar.offline{border-top-color:var(--brass);}
.tag{
  display:inline-block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;
  padding:3px 9px;border:1px solid var(--line);border-radius:20px;color:var(--ink-soft);margin:2px 4px 2px 0;
}

/* ---------- Campus stamp row ---------- */
.campus-row{display:flex;gap:26px;flex-wrap:wrap;align-items:center;}
.campus-item{display:flex;gap:14px;align-items:center;background:var(--paper-card);border:1px solid var(--line);padding:14px 18px;border-radius:4px;flex:1;min-width:230px;}
.campus-item h4{margin:0 0 2px;}
.campus-item p{margin:0;font-size:.88rem;}

/* ---------- Table (departure board look) ---------- */
.board{
  background:var(--navy-deep);color:#F2C94C;border-radius:6px;overflow:hidden;border:1px solid var(--navy-soft);
}
.board table{width:100%;border-collapse:collapse;font-family:var(--font-mono);font-size:.92rem;}
.board thead th{
  background:var(--navy);color:#9FD8C4;text-align:left;padding:12px 16px;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  border-bottom:1px solid var(--navy-soft);
}
.board td{padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.06);}
.board tr:last-child td{border-bottom:none;}
.board .status{font-family:var(--font-body);font-weight:600;font-size:.78rem;padding:3px 9px;border-radius:20px;}
.status.open{background:rgba(31,111,92,.25);color:#7FE0C4;}
.status.soon{background:rgba(185,138,46,.25);color:#F2C94C;}
.status.tba{background:rgba(255,255,255,.1);color:#B9C4BE;}

/* ---------- Regular data table ---------- */
table.plain{width:100%;border-collapse:collapse;margin:1.2em 0;}
table.plain th,table.plain td{padding:11px 14px;border:1px solid var(--line);text-align:left;font-size:.92rem;}
table.plain th{background:var(--navy);color:#fff;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;}
table.plain tr:nth-child(even) td{background:#F2F3EE;}

/* ---------- Timeline ---------- */
.timeline{border-left:2px solid var(--line);padding-left:22px;margin-left:6px;}
.timeline .t-item{position:relative;padding-bottom:26px;}
.timeline .t-item::before{content:"";position:absolute;left:-28px;top:4px;width:11px;height:11px;background:var(--stamp-red);border-radius:50%;border:2px solid var(--paper-card);}

/* ---------- Reviews ---------- */
.review{background:var(--paper-card);border:1px solid var(--line);border-radius:4px;padding:24px;position:relative;}
.review .quote-mark{font-family:var(--font-display);font-size:2.6rem;color:var(--stamp-red);opacity:.25;line-height:0;position:absolute;top:18px;right:20px;}
.review .who{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-soft);margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);}

/* ---------- Blog ---------- */
.post-card{border:1px solid var(--line);background:var(--paper-card);border-radius:4px;overflow:hidden;display:flex;flex-direction:column;}
.post-card .stripe{height:6px;background:linear-gradient(90deg,var(--stamp-red),var(--brass));}
.post-card .pc-body{padding:22px;flex:1;display:flex;flex-direction:column;}
.post-card .meta{font-family:var(--font-mono);font-size:.7rem;color:var(--ink-soft);letter-spacing:.05em;margin-bottom:8px;}
.post-card .read{margin-top:auto;color:var(--stamp-red);font-weight:600;font-size:.88rem;}
article.post{max-width:760px;margin:0 auto;}
article.post .meta{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-soft);margin-bottom:1.4em;}
article.post h2{margin-top:1.3em;}
article.post ul,article.post ol{color:var(--ink-soft);padding-left:1.3em;}
article.post li{margin-bottom:.4em;}
.breadcrumb{font-family:var(--font-mono);font-size:.76rem;color:var(--ink-soft);margin-bottom:20px;}
.breadcrumb a{color:var(--stamp-red);}

/* ---------- Mock test ---------- */
.quiz-shell{background:var(--paper-card);border:1px solid var(--line);border-radius:6px;padding:0;overflow:hidden;}
.quiz-head{background:var(--navy-deep);color:#fff;padding:16px 22px;display:flex;justify-content:space-between;align-items:center;font-family:var(--font-mono);font-size:.82rem;}
.quiz-body{padding:28px;}
.q-block{display:none;}
.q-block.active{display:block;animation:fade .35s ease;}
@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.q-block h3{font-size:1.15rem;}
.opt{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:4px;margin-bottom:10px;cursor:pointer;background:#fff;}
.opt:hover{border-color:var(--brass);}
.opt input{margin-top:3px;}
.opt.correct{border-color:var(--emerald);background:rgba(31,111,92,.08);}
.opt.wrong{border-color:var(--stamp-red);background:rgba(156,43,43,.08);}
.quiz-nav{display:flex;justify-content:space-between;margin-top:20px;}
.progress-track{height:6px;background:var(--line);border-radius:3px;overflow:hidden;flex:1;margin:0 16px;}
.progress-fill{height:100%;background:var(--stamp-red);width:0%;transition:width .3s;}
.result-panel{display:none;text-align:center;padding:20px 0;}
.result-panel.active{display:block;}
.result-score{font-family:var(--font-display);font-size:3rem;color:var(--stamp-red);}
.explain{font-size:.9rem;background:#F2F3EE;padding:12px 14px;border-radius:4px;margin-top:10px;display:none;}
.explain.show{display:block;}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
@media (max-width:800px){.contact-grid{grid-template-columns:1fr;}}
.contact-card{background:var(--paper-card);border:1px solid var(--line);padding:24px;border-radius:4px;}
.contact-methods a{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px dashed var(--line);font-weight:600;}

/* ---------- Footer ---------- */
footer.site{background:var(--navy-deep);color:#C9D3CD;padding:56px 0 22px;font-size:.92rem;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;}
@media (max-width:880px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}
footer.site h4{color:#fff;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px;}
footer.site a{display:block;padding:4px 0;color:#B9C4BE;}
footer.site a:hover{color:var(--brass);}
.footer-brand{font-family:var(--font-display);font-size:1.3rem;color:#fff;margin-bottom:10px;}
.footer-bottom{border-top:1px solid var(--navy-soft);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.8rem;color:#7C8B85;}
.curriculum-mini{font-size:.84rem;line-height:1.9;}
.curriculum-mini b{color:#fff;}

/* ---------- Utility ---------- */
.center{text-align:center;}
.mt-0{margin-top:0;}
.small{font-size:.85rem;color:var(--ink-soft);}
.hidden{display:none;}