/* ===================================================================
 * CAESA — Global Education Hub
 * Brand: navy #182267 · green #48A766 · orange #F18229
 * =================================================================== */
:root{
  --navy:#182267; --navy-2:#232f7d; --navy-ink:#0f1746;
  --green:#48A766; --green-d:#3b8f57;
  --orange:#F18229; --orange-d:#d96f16;
  --ink:#1b2140; --body:#3d4361; --muted:#6b7189;
  --line:#e6e8f0; --bg:#ffffff; --bg-soft:#f6f7fb; --bg-navy:#0f1746;
  --shadow:0 6px 24px rgba(24,34,103,.08);
  --shadow-lg:0 18px 48px rgba(24,34,103,.16);
  --r:16px; --r-sm:10px;
  --maxw:1180px;
  --font: "Pretendard","Noto Sans KR",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font); color:var(--body); background:var(--bg);
  line-height:1.7; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;font-weight:800;letter-spacing:-.01em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:88px 0}
.kicker{
  display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.14em;
  text-transform:uppercase;color:var(--orange);margin-bottom:14px;
}
.sec-head{max-width:760px;margin:0 auto 52px;text-align:center}
.sec-head h2{font-size:clamp(1.7rem,3.4vw,2.5rem)}
.sec-head .lead{margin-top:16px;font-size:1.08rem;color:var(--muted)}

/* ---------- header ---------- */
header.nav{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--navy);font-size:1.15rem;letter-spacing:.02em}
.brand img{height:40px;width:auto}
.nav-links{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav-links a{font-size:.94rem;font-weight:600;color:var(--body);transition:color .15s}
.nav-links a:hover{color:var(--navy)}
.nav-cta{
  background:var(--orange);color:#fff!important;padding:9px 18px;border-radius:999px;
  font-weight:700;box-shadow:0 4px 14px rgba(241,130,41,.32);transition:transform .15s,box-shadow .15s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(241,130,41,.4)}
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;font-size:.9rem;font-weight:600;color:var(--body);cursor:pointer;background:none;border:1px solid var(--line);padding:7px 12px;border-radius:999px}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:6px;min-width:140px;display:none}
.lang-menu.open{display:block}
.lang-menu a{display:block;padding:9px 14px;border-radius:8px;font-size:.92rem;font-weight:600}
.lang-menu a:hover{background:var(--bg-soft)}
.lang-menu a.active{color:var(--navy);background:var(--bg-soft)}
.hamb{display:none;margin-left:auto;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.hamb span{width:24px;height:2px;background:var(--navy);border-radius:2px}

/* ---------- hero ---------- */
.hero{
  position:relative;color:#fff;padding:96px 0 104px;
  background:
    radial-gradient(1200px 500px at 85% -10%,rgba(72,167,102,.35),transparent 60%),
    radial-gradient(900px 500px at 5% 110%,rgba(241,130,41,.28),transparent 60%),
    linear-gradient(135deg,var(--navy) 0%,var(--navy-ink) 100%);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:radial-gradient(#fff 1px,transparent 1px);background-size:26px 26px;
}
.hero .wrap{position:relative;z-index:2;max-width:900px;text-align:center}
.hero .eyebrow{font-size:.82rem;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.72);font-weight:700}
.hero h1{
  color:#fff;font-size:clamp(2.6rem,7vw,5rem);line-height:1.02;margin:20px 0 6px;
  font-weight:900;letter-spacing:-.02em;
}
.hero h1 .slogan{
  background:linear-gradient(100deg,#fff 0%,#ffd9b3 45%,var(--green) 120%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero .sub{font-size:clamp(1.1rem,2.4vw,1.5rem);font-weight:700;color:#fff;margin-bottom:14px}
.hero .lead{font-size:1.05rem;color:rgba(255,255,255,.82);max-width:640px;margin:0 auto 34px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:1rem;
  padding:15px 30px;border-radius:999px;transition:transform .15s,box-shadow .15s,background .15s;cursor:pointer;border:0;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 24px rgba(241,130,41,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(241,130,41,.5)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.hero-stats{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:52px}
.stat{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r);padding:20px 28px;min-width:150px;backdrop-filter:blur(4px);
}
.stat .n{font-size:2rem;font-weight:900;color:#fff;line-height:1}
.stat .l{font-size:.86rem;color:rgba(255,255,255,.75);margin-top:6px}

/* ---------- why (cards) ---------- */
.why{background:var(--bg)}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.why-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;
  transition:transform .18s,box-shadow .18s,border-color .18s;
}
.why-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.why-ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(72,167,102,.16),rgba(24,34,103,.1));
}
.why-ico svg{width:26px;height:26px;stroke:var(--navy);fill:none;stroke-width:1.8}
.why-card h3{font-size:1.16rem;margin-bottom:8px}
.why-card p{font-size:.96rem;color:var(--muted)}
.why-card:nth-child(1) .why-ico{background:linear-gradient(135deg,rgba(241,130,41,.18),rgba(241,130,41,.06))}
.why-card:nth-child(1) .why-ico svg{stroke:var(--orange-d)}
.why-card:nth-child(3) .why-ico{background:linear-gradient(135deg,rgba(72,167,102,.2),rgba(72,167,102,.06))}
.why-card:nth-child(3) .why-ico svg{stroke:var(--green-d)}

/* ---------- lifestyle ---------- */
.life{background:var(--bg-soft)}
.life-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:44px}
.life-card{
  position:relative;border-radius:var(--r);padding:32px 26px;overflow:hidden;color:#fff;min-height:190px;
  display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--shadow);
}
.life-card::before{content:"";position:absolute;inset:0;opacity:.92;z-index:0}
.life-card:nth-child(1)::before{background:linear-gradient(160deg,var(--orange),var(--orange-d))}
.life-card:nth-child(2)::before{background:linear-gradient(160deg,var(--green),var(--green-d))}
.life-card:nth-child(3)::before{background:linear-gradient(160deg,var(--navy-2),var(--navy))}
.life-card:nth-child(4)::before{background:linear-gradient(160deg,#e0952f,var(--orange-d))}
.life-card>*{position:relative;z-index:1}
.life-card h3{color:#fff;font-size:1.2rem;margin-bottom:8px}
.life-card p{color:rgba(255,255,255,.9);font-size:.94rem}
.life-quote{
  text-align:center;max-width:780px;margin:0 auto;font-size:clamp(1.1rem,2.2vw,1.4rem);
  font-weight:700;color:var(--navy);line-height:1.5;
}
.life-quote::before{content:"“";color:var(--orange);font-size:2.4em;line-height:0;vertical-align:-.35em;margin-right:.05em}

/* ---------- about ---------- */
.about{background:var(--bg)}
.about-body{max-width:820px;margin:0 auto;text-align:center;font-size:1.08rem;color:var(--body)}
.vision{
  margin:36px auto;max-width:820px;border-radius:var(--r);padding:30px 34px;text-align:center;
  background:linear-gradient(135deg,var(--navy),var(--navy-ink));color:#fff;box-shadow:var(--shadow-lg);
}
.vision .vlabel{font-size:.8rem;letter-spacing:.18em;color:var(--green);font-weight:800;text-transform:uppercase}
.vision p{color:#fff;font-size:1.2rem;font-weight:700;margin-top:10px;line-height:1.5}
.trust-title{text-align:center;font-size:1.4rem;margin:56px 0 28px}
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.trust-card{background:var(--bg-soft);border-radius:var(--r);padding:26px 24px;border-left:4px solid var(--green)}
.trust-card:nth-child(2){border-left-color:var(--orange)}
.trust-card:nth-child(3){border-left-color:var(--navy)}
.trust-card:nth-child(4){border-left-color:var(--green-d)}
.trust-card h3{font-size:1.08rem;margin-bottom:8px}
.trust-card p{font-size:.94rem;color:var(--muted)}

/* ---------- schools ---------- */
.schools{background:var(--bg-soft)}
.table-wrap{overflow-x:auto;border-radius:var(--r);box-shadow:var(--shadow);background:#fff;margin-bottom:64px}
table.at-glance{width:100%;border-collapse:collapse;min-width:720px}
table.at-glance th,table.at-glance td{padding:16px 18px;text-align:left;font-size:.92rem;border-bottom:1px solid var(--line)}
table.at-glance thead th{background:var(--navy);color:#fff;font-weight:700;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;border:0}
table.at-glance tbody tr:last-child td{border-bottom:0}
table.at-glance tbody tr:hover{background:var(--bg-soft)}
table.at-glance .sname{font-weight:800;color:var(--navy);white-space:nowrap}
table.at-glance .sname .dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:8px;vertical-align:middle}
.dot.green{background:var(--green)} .dot.orange{background:var(--orange)} .dot.navy{background:var(--navy)}

.profiles-title{text-align:center;font-size:1.5rem;margin-bottom:34px}
.profile-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.profile{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 26px;
  display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s;
}
.profile:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.profile-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.profile h3{font-size:1.3rem;color:var(--navy)}
.profile .est{font-size:.78rem;font-weight:700;color:var(--muted);background:var(--bg-soft);padding:4px 10px;border-radius:999px;white-space:nowrap}
.profile .tagline{font-size:.9rem;font-weight:700;color:var(--orange);margin-bottom:12px}
.profile .blurb{font-size:.94rem;color:var(--body);margin-bottom:16px}
.profile ul{list-style:none;margin-bottom:18px;display:flex;flex-direction:column;gap:8px}
.profile li{position:relative;padding-left:24px;font-size:.9rem;color:var(--muted)}
.profile li::before{content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--green);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat;}
.profile .best{font-size:.88rem;color:var(--muted);margin-top:auto;padding-top:14px;border-top:1px dashed var(--line)}
.profile .best b{color:var(--ink)}
.profile .site-link{margin-top:16px;align-self:flex-start;font-size:.88rem;font-weight:700;color:var(--navy);display:inline-flex;align-items:center;gap:6px}
.profile .site-link:hover{color:var(--orange)}
.profile .site-link svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2}

/* ---------- cta / contact ---------- */
.cta{
  color:#fff;text-align:center;
  background:
    radial-gradient(900px 400px at 80% 0%,rgba(72,167,102,.3),transparent 60%),
    linear-gradient(135deg,var(--navy-ink),var(--navy));
}
.cta h2{color:#fff;font-size:clamp(1.7rem,3.4vw,2.5rem);max-width:820px;margin:0 auto}
.cta .lead{color:rgba(255,255,255,.82);max-width:640px;margin:18px auto 6px;font-size:1.05rem}
.cta .partnership{display:inline-block;margin:22px 0 40px;font-weight:700;color:#ffd9b3;font-size:.98rem}
.contact-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r);
  max-width:720px;margin:0 auto;padding:34px 30px;backdrop-filter:blur(6px);
}
.contact-name{font-size:1.2rem;font-weight:800;color:#fff}
.contact-role{font-size:.9rem;color:var(--green);font-weight:700;margin-bottom:22px}
.contact-rows{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;text-align:left}
.contact-row{display:flex;align-items:center;gap:12px}
.contact-row .ci{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.1);display:grid;place-items:center;flex-shrink:0}
.contact-row .ci svg{width:19px;height:19px;stroke:#fff;fill:none;stroke-width:1.8}
.contact-row .cl{font-size:.74rem;color:rgba(255,255,255,.6);text-transform:uppercase;letter-spacing:.08em}
.contact-row .cv{font-size:.98rem;color:#fff;font-weight:700}
.contact-row a.cv:hover{color:var(--orange)}
.contact-note{font-size:.8rem;color:rgba(255,255,255,.55);margin-top:22px}

/* ---------- footer ---------- */
footer{background:var(--bg-navy);color:rgba(255,255,255,.7);padding:60px 0 34px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px}
.foot-brand .brand{color:#fff;margin-bottom:16px}
.foot-logo{background:#fff;padding:10px 16px;border-radius:12px;display:inline-flex}
.foot-logo img{height:34px;width:auto}
.foot-brand p{font-size:.9rem;color:rgba(255,255,255,.55);max-width:340px}
footer h4{color:#fff;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}
.foot-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.foot-list a{font-size:.92rem;color:rgba(255,255,255,.7);transition:color .15s}
.foot-list a:hover{color:var(--orange)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;font-size:.82rem;color:rgba(255,255,255,.45);text-align:center}
.foot-bottom .disc{max-width:760px;margin:0 auto 10px;line-height:1.6}

/* ---------- right-hand section nav ---------- */
.sidenav{
  position:fixed;right:26px;top:50%;transform:translateY(-50%);z-index:40;
  display:flex;flex-direction:column;gap:16px;align-items:flex-end;
}
.sidedot{display:flex;align-items:center;gap:10px;justify-content:flex-end;cursor:pointer}
.sidedot-label{
  font-size:.78rem;font-weight:700;color:var(--muted);opacity:0;transform:translateX(6px);
  transition:opacity .18s,transform .18s,color .18s;white-space:nowrap;
  background:rgba(255,255,255,.9);padding:2px 8px;border-radius:6px;box-shadow:var(--shadow);
}
.sidedot-mark{width:11px;height:11px;border-radius:50%;border:2px solid var(--line);background:#fff;transition:all .18s;flex-shrink:0}
.sidedot:hover .sidedot-label{opacity:1;transform:translateX(0)}
.sidedot:hover .sidedot-mark{border-color:var(--orange)}
.sidedot.active .sidedot-mark{border-color:var(--orange);background:var(--orange);box-shadow:0 0 0 4px rgba(241,130,41,.18)}
.sidedot.active .sidedot-label{opacity:1;transform:translateX(0);color:var(--navy)}
html[dir="rtl"] .sidenav{right:auto;left:26px;align-items:flex-start}
html[dir="rtl"] .sidedot{flex-direction:row-reverse}

/* ---------- blog ---------- */
.blog{background:var(--bg)}
.blog-page{padding-top:120px;min-height:60vh}
.post-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 26px;
  display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.post-card.has-cover{padding:0;overflow:hidden}
.post-card-in{display:flex;flex-direction:column;flex:1}
.post-card.has-cover .post-card-in{padding:24px 26px 28px}
.post-card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft)}
.post-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.post-card.has-cover:hover .post-card-cover img{transform:scale(1.04)}
.post-hero{margin:0 0 28px}
.post-hero img{width:100%;height:auto;display:block;border-radius:var(--r);box-shadow:var(--shadow)}
.post-hero figcaption{font-size:.76rem;color:var(--muted);margin-top:8px;text-align:right}
.post-meta{font-size:.8rem;font-weight:700;color:var(--muted);letter-spacing:.02em;margin-bottom:12px}
.post-card h3{font-size:1.2rem;color:var(--navy);margin-bottom:10px;line-height:1.3}
.post-card p{font-size:.94rem;color:var(--muted);margin-bottom:16px}
.post-more{margin-top:auto;font-size:.9rem;font-weight:800;color:var(--orange)}
.center-cta{text-align:center;margin-top:40px}
.blog-empty{text-align:center;color:var(--muted);font-size:1.05rem;padding:40px 0}

/* ---------- single post ---------- */
.wrap-narrow{max-width:760px;margin:0 auto;padding:0 24px}
.post{padding:112px 0 88px}
.post-back{display:inline-flex;align-items:center;gap:6px;font-size:.9rem;font-weight:700;color:var(--muted);margin-bottom:24px}
.post-back:hover{color:var(--orange)}
.post-back svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}
.post-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.tag{font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--green-d);background:rgba(72,167,102,.12);padding:4px 10px;border-radius:999px}
.post-title{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.15;margin-bottom:14px}
.post .post-meta{font-size:.9rem;margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.post-body{font-size:1.08rem;color:var(--body)}
.post-body h2{font-size:1.5rem;margin:36px 0 12px}
.post-body h3{font-size:1.2rem;margin:28px 0 10px}
.post-body p{margin-bottom:18px}
.post-body ul{margin:0 0 18px 0;padding-left:22px}
.post-body li{margin-bottom:8px}
.post-body a{color:var(--navy);font-weight:700;text-decoration:underline;text-underline-offset:2px}
.post-body a:hover{color:var(--orange)}
.post-body strong{color:var(--ink)}
.post-cta{margin-top:36px}
html[dir="rtl"] .post-body ul{padding-left:0;padding-right:22px}
html[dir="rtl"] .post-back svg,html[dir="rtl"] .sidedot .sidedot-mark{transform:scaleX(-1)}

/* slim contact (email + instagram only) */
.contact-slim{max-width:560px;padding-top:30px}
.contact-slim .contact-rows{justify-items:center}

/* ---------- responsive ---------- */
@media(max-width:1100px){ .sidenav{display:none} }
@media(max-width:860px){
  .nav-links{display:none}
  .hamb{display:flex}
  .nav-links.open{
    display:flex;flex-direction:column;position:absolute;top:68px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);padding:18px 24px;gap:16px;box-shadow:var(--shadow-lg);
  }
  .nav-links.open .nav-cta{text-align:center}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  section{padding:64px 0}
}
@media(max-width:520px){
  .hero{padding:70px 0 78px}
  .hero-stats{gap:10px}
  .stat{min-width:0;flex:1;padding:16px 12px}
  .stat .n{font-size:1.5rem}
  .btn{width:100%;justify-content:center}
}