/* =========================================================
   TopEduPrep — ACT/Math Track site
   Global Editorial Magazine base + switchable palettes/layouts
   ========================================================= */

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

:root{
  /* ---- Palette: "Ink & Brass" (default) ---- */
  --c-bg:        #f7f4ee;
  --c-bg-alt:    #efe9dd;
  --c-ink:       #1c1a16;
  --c-ink-soft:  #55503f;
  --c-line:      #d8d0bd;
  --c-accent:    #8a5a2b;
  --c-accent-2:  #2c3e2d;
  --c-card:      #ffffff;

  --f-display: 'Fraunces', 'Noto Sans KR', serif;
  --f-body: 'Noto Sans KR', -apple-system, sans-serif;

  --maxw: 1180px;
  --radius: 2px;
  --dur: .5s;
}

[data-theme="forest"]{
  --c-bg:#f4f1e8; --c-bg-alt:#e9e4d3; --c-ink:#1e2419; --c-ink-soft:#4b5540;
  --c-line:#cdd0bd; --c-accent:#3f5d3a; --c-accent-2:#8a5a2b; --c-card:#ffffff;
}
[data-theme="charcoal"]{
  --c-bg:#141414; --c-bg-alt:#1d1d1d; --c-ink:#f2f0ea; --c-ink-soft:#b6b1a4;
  --c-line:#333230; --c-accent:#d98a3d; --c-accent-2:#e8c26a; --c-card:#1a1a1a;
}
[data-theme="classic"]{
  --c-bg:#ffffff; --c-bg-alt:#f2f4f7; --c-ink:#111827; --c-ink-soft:#4b5563;
  --c-line:#e2e5ea; --c-accent:#1e3a5f; --c-accent-2:#a6192e; --c-card:#ffffff;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--c-bg); color:var(--c-ink);
  font-family:var(--f-body); line-height:1.7; font-size:16px;
  -webkit-font-smoothing:antialiased;
  transition:background var(--dur), color var(--dur);
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
h1,h2,h3,h4{font-family:var(--f-display); margin:0 0 .5em; font-weight:600; letter-spacing:-.01em; color:var(--c-ink);}
h1{font-size:clamp(2.1rem,5vw,3.6rem); line-height:1.08; font-weight:700;}
h2{font-size:clamp(1.5rem,3vw,2.2rem); line-height:1.2;}
h3{font-size:1.25rem;}
p{margin:0 0 1.1em; max-width:66ch; color:var(--c-ink-soft);}
.container{max-width:var(--maxw); margin:0 auto; padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-alt{background:var(--c-bg-alt);}
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:14px 28px;
  border:1px solid var(--c-ink); border-radius:var(--radius);
  font-weight:600; font-size:.95rem; cursor:pointer; background:transparent;
  transition:background .25s,color .25s,transform .2s;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--c-accent); border-color:var(--c-accent); color:#fff;}
.btn-primary:hover{filter:brightness(1.08);}
.btn-ghost{border-color:var(--c-line); color:var(--c-ink);}
.btn-ghost:hover{border-color:var(--c-ink);}
.eyebrow{color:var(--c-accent); font-weight:600; font-size:.85rem; margin-bottom:10px; display:inline-block;}
.rule{border:none; border-top:1px solid var(--c-line); margin:0;}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:60; background:color-mix(in srgb, var(--c-bg) 92%, transparent);
  backdrop-filter:blur(8px); border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; padding:16px 24px; max-width:var(--maxw); margin:0 auto;}
.logo{font-family:var(--f-display); font-weight:700; font-size:1.25rem; letter-spacing:-.01em;}
.logo span{color:var(--c-accent);}
.nav{display:flex; align-items:center; gap:28px;}
.nav ul{list-style:none; display:flex; gap:26px; margin:0; padding:0;}
.nav li{position:relative;}
.nav a.nav-link{font-weight:600; font-size:.95rem; padding:8px 0; border-bottom:2px solid transparent;}
.nav a.nav-link:hover, .nav a.nav-link.active{border-color:var(--c-accent); color:var(--c-accent);}
.dropdown{position:relative;}
.dropdown-menu{
  position:absolute; top:calc(100% + 12px); left:50%; transform:translateX(-50%) translateY(-6px);
  background:var(--c-card); border:1px solid var(--c-line); min-width:190px; padding:8px;
  opacity:0; pointer-events:none; transition:opacity .2s, transform .2s; box-shadow:0 14px 30px rgba(0,0,0,.08);
}
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu{opacity:1; pointer-events:auto; transform:translateX(-50%) translateY(0);}
.dropdown-menu a{display:block; padding:9px 12px; font-size:.92rem; border-radius:2px;}
.dropdown-menu a:hover{background:var(--c-bg-alt); color:var(--c-accent);}
.header-cta{display:flex; align-items:center; gap:14px;}
.tel-link{font-weight:700; font-size:.95rem;}
.icon-btn{width:38px;height:38px;border:1px solid var(--c-line); border-radius:50%; display:flex; align-items:center; justify-content:center; background:transparent; cursor:pointer;}
.icon-btn:hover{border-color:var(--c-accent);}
.burger{display:none; width:38px; height:38px; border:1px solid var(--c-line); border-radius:50%; background:none; cursor:pointer; align-items:center; justify-content:center;}
.burger span, .burger span::before, .burger span::after{content:""; display:block; width:16px; height:2px; background:var(--c-ink); position:relative; transition:.25s;}
.burger span::before{position:absolute; top:-5px;} .burger span::after{position:absolute; top:5px;}

/* Mobile nav */
.mobile-nav{position:fixed; inset:0; background:var(--c-bg); z-index:100; padding:24px; transform:translateY(-100%); transition:transform .35s ease; overflow-y:auto;}
.mobile-nav.open{transform:translateY(0);}
.mobile-nav-top{display:flex; justify-content:space-between; align-items:center; margin-bottom:24px;}
.mobile-nav ul{list-style:none; padding:0; margin:0;}
.mobile-nav > ul > li{border-bottom:1px solid var(--c-line);}
.mobile-nav a{display:block; padding:16px 4px; font-size:1.15rem; font-weight:600; font-family:var(--f-display);}
.mobile-nav .sub{padding-left:14px;}
.mobile-nav .sub a{font-size:.95rem; font-weight:500; padding:10px 4px; color:var(--c-ink-soft);}

@media (max-width:900px){
  .nav{display:none;}
  .burger{display:flex;}
  .tel-link{display:none;}
}

/* ---------- Hero ---------- */
.hero{padding:72px 0 96px; position:relative; overflow:hidden;}
.hero-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center;}
.hero-kicker{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:22px;}
.hero-kicker span{border:1px solid var(--c-line); padding:6px 14px; border-radius:999px; font-size:.82rem; font-weight:600; color:var(--c-ink-soft);}
.hero-lede{font-size:1.15rem; max-width:46ch;}
.hero-actions{display:flex; gap:14px; margin-top:28px; flex-wrap:wrap;}
.hero-media{position:relative; aspect-ratio:4/5; border-radius:var(--radius); overflow:hidden; background:var(--c-bg-alt); border:1px solid var(--c-line);}
.hero-media img{width:100%; height:100%; object-fit:cover;}
.hero-stats{display:flex; gap:0; margin-top:44px; border-top:1px solid var(--c-line); padding-top:28px;}
.hero-stats div{flex:1; padding-right:20px;}
.hero-stats strong{display:block; font-family:var(--f-display); font-size:1.9rem; color:var(--c-accent);}
.hero-stats span{font-size:.85rem; color:var(--c-ink-soft);}

@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-stats{flex-wrap:wrap; gap:18px;}
  .hero-stats div{flex:1 1 40%;}
}

/* Layout variant: "grid" puts media first / masthead style */
[data-layout="grid"] .hero-grid{grid-template-columns:.9fr 1.1fr;}
[data-layout="grid"] .hero-media{order:-1;}
[data-layout="minimal"] .hero{padding:56px 0 72px;}
[data-layout="minimal"] .hero-media{display:none;}
[data-layout="minimal"] .hero-grid{grid-template-columns:1fr; max-width:74ch;}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1; transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1; transform:none; transition:none;}
  html{scroll-behavior:auto;}
}

/* ---------- Cards / grids ---------- */
.grid{display:grid; gap:28px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:860px){ .grid-3,.grid-2{grid-template-columns:1fr;} }
.card{background:var(--c-card); border:1px solid var(--c-line); padding:30px; border-radius:var(--radius);}
.card .num{font-family:var(--f-display); color:var(--c-accent); font-size:1.6rem; display:block; margin-bottom:10px;}

.campus-list{display:grid; grid-template-columns:repeat(4,1fr); gap:18px; margin-top:20px;}
@media (max-width:860px){.campus-list{grid-template-columns:repeat(2,1fr);}}
.campus-list li{list-style:none; border:1px solid var(--c-line); padding:18px; border-radius:var(--radius); background:var(--c-card);}
.campus-list strong{display:block; font-family:var(--f-display); margin-bottom:4px;}
.campus-list span{font-size:.85rem; color:var(--c-ink-soft);}

.section-head{display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom:40px; flex-wrap:wrap;}
.section-head p{margin:0;}

.pillquote{border-left:3px solid var(--c-accent); padding:6px 0 6px 22px; font-family:var(--f-display); font-size:1.3rem; color:var(--c-ink); margin:28px 0;}

.two-col{display:grid; grid-template-columns:1fr 1fr; gap:52px;}
@media (max-width:860px){.two-col{grid-template-columns:1fr;}}

.step-list{counter-reset:step; list-style:none; padding:0; margin:0;}
.step-list li{counter-increment:step; display:flex; gap:20px; padding:22px 0; border-top:1px solid var(--c-line);}
.step-list li:last-child{border-bottom:1px solid var(--c-line);}
.step-list li::before{content:counter(step); font-family:var(--f-display); font-size:1.4rem; color:var(--c-accent); flex:0 0 auto; width:44px;}

/* ---------- Testimonial cards ---------- */
.testi{background:var(--c-card); border:1px solid var(--c-line); border-radius:var(--radius); padding:28px; margin-bottom:22px;}
.testi header{display:flex; justify-content:space-between; margin-bottom:14px; font-size:.85rem; color:var(--c-ink-soft); flex-wrap:wrap; gap:6px;}
.testi blockquote{margin:0 0 12px; font-family:var(--f-display); font-size:1.1rem; color:var(--c-ink);}
.testi .parent{font-size:.92rem; padding-top:12px; border-top:1px dashed var(--c-line); color:var(--c-ink-soft);}
.sample-note{font-size:.8rem; color:var(--c-ink-soft); border:1px dashed var(--c-line); padding:14px 18px; border-radius:var(--radius); margin-bottom:36px;}

/* ---------- CTA band ---------- */
.cta-band{background:var(--c-ink); color:var(--c-bg); padding:64px 0; text-align:center;}
.cta-band h2{color:#fff;}
.cta-band p{color:#cfc9ba; margin-left:auto; margin-right:auto;}
.cta-band .btn-primary{background:var(--c-accent); border-color:var(--c-accent);}
.cta-band .btn-ghost{border-color:#555; color:#fff;}

/* ---------- Contact ---------- */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:48px;}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}
.contact-item{display:flex; gap:16px; padding:18px 0; border-top:1px solid var(--c-line);}
.contact-item strong{display:block; font-family:var(--f-display);}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--c-line); padding:52px 0 28px; background:var(--c-bg-alt);}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px; margin-bottom:36px;}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-grid h4{font-size:.85rem; text-transform:none; margin-bottom:14px; color:var(--c-ink-soft);}
.footer-grid ul{list-style:none; padding:0; margin:0;}
.footer-grid li{margin-bottom:8px; font-size:.9rem;}
.footer-bottom{display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.82rem; color:var(--c-ink-soft); padding-top:22px; border-top:1px solid var(--c-line);}

/* ---------- Settings (theme/layout) panel ---------- */
.settings-panel{
  position:fixed; right:20px; bottom:20px; z-index:120; background:var(--c-card);
  border:1px solid var(--c-line); border-radius:8px; box-shadow:0 18px 40px rgba(0,0,0,.14);
  width:250px; padding:18px; display:none; font-size:.85rem;
}
.settings-panel.open{display:block;}
.settings-panel h5{margin:0 0 10px; font-family:var(--f-display); font-size:1rem;}
.settings-panel .row{margin-bottom:14px;}
.settings-panel label{display:block; font-weight:600; margin-bottom:8px; font-size:.78rem; color:var(--c-ink-soft);}
.swatches{display:flex; gap:8px;}
.swatch{width:28px; height:28px; border-radius:50%; border:2px solid transparent; cursor:pointer;}
.swatch.active{border-color:var(--c-ink);}
.layout-opts{display:flex; gap:8px;}
.layout-opts button{flex:1; padding:8px 4px; border:1px solid var(--c-line); background:none; cursor:pointer; font-size:.75rem; border-radius:4px;}
.layout-opts button.active{border-color:var(--c-accent); color:var(--c-accent); font-weight:700;}
.settings-fab{
  position:fixed; right:20px; bottom:20px; z-index:119; width:52px; height:52px; border-radius:50%;
  background:var(--c-accent); color:#fff; border:none; cursor:pointer; box-shadow:0 10px 26px rgba(0,0,0,.22);
  display:flex; align-items:center; justify-content:center; font-size:1.2rem;
}

/* ---------- Index edit-mode toolbar ---------- */
.edit-toolbar{
  position:fixed; top:0; left:0; right:0; z-index:200; background:var(--c-ink); color:#fff;
  display:none; align-items:center; justify-content:space-between; padding:12px 24px; gap:12px; flex-wrap:wrap;
}
.edit-toolbar.on{display:flex;}
.edit-toolbar .hint{font-size:.82rem; color:#cfc9ba;}
.edit-toolbar .actions{display:flex; gap:10px;}
.edit-toolbar button{padding:9px 16px; border-radius:4px; border:1px solid #555; background:transparent; color:#fff; cursor:pointer; font-size:.85rem; font-weight:600;}
.edit-toolbar button.primary{background:var(--c-accent); border-color:var(--c-accent);}
body.edit-mode-on{padding-top:56px;}
body.edit-mode-on [data-editable]{outline:1px dashed var(--c-accent); outline-offset:4px; cursor:text; border-radius:2px;}
.img-edit-wrap{position:relative;}
body.edit-mode-on .img-edit-wrap::after{
  content:"이미지 변경"; position:absolute; inset:0; background:rgba(0,0,0,.45); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:.85rem; font-weight:600; cursor:pointer; opacity:0; transition:opacity .2s;
}
body.edit-mode-on .img-edit-wrap:hover::after{opacity:1;}

/* 404 */
.error-page{min-height:60vh; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; padding:80px 24px;}
.error-page .code{font-family:var(--f-display); font-size:6rem; color:var(--c-accent); line-height:1;}

/* Skip link */
.skip-link{position:absolute; left:-999px; top:0; background:var(--c-accent); color:#fff; padding:12px 18px; z-index:300;}
.skip-link:focus{left:12px; top:12px;}

/* focus visibility */
a:focus-visible, button:focus-visible, [contenteditable]:focus-visible{outline:2px solid var(--c-accent); outline-offset:2px;}