:root{
  --navy:#102a58; --blue:#0d4dc7; --blue2:#155ed8; --green:#2d9a49;
  --purple:#6b3fc0; --ink:#142033; --muted:#606b80; --line:#e4e9f2;
  --soft:#f6f9ff; --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Pretendard,"Noto Sans KR","Apple SD Gothic Neo",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(1220px,92%);margin:auto}
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid #edf0f5;backdrop-filter:blur(10px)}
.nav{height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-size:29px;font-weight:900;color:var(--navy);letter-spacing:-1px;display:flex;align-items:center;gap:10px}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--blue);display:grid;place-items:center;color:white;font-size:18px}
.brand small{display:block;font-size:11px;color:#6c7483;font-weight:700;letter-spacing:0;margin-top:2px}
.menu{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:800;color:#27334a}
.nav-cta{background:var(--navy);color:#fff;padding:12px 16px;border-radius:8px;line-height:1.25;text-align:center;font-weight:900}
.nav-cta small{display:block;font-size:11px;opacity:.88}

.hero{position:relative;overflow:hidden;background:linear-gradient(90deg,#fff 0%,#f5f8fc 46%,#e8eef7 100%)}
.hero .container{position:relative;min-height:480px;display:grid;grid-template-columns:1.08fr .92fr;align-items:center}
.hero-copy{padding:44px 0;position:relative;z-index:2}
.kicker{font-weight:800;color:#263754;margin-bottom:12px}
.hero h1{font-size:46px;line-height:1.18;letter-spacing:-2px;margin:0 0 20px;color:#132b52}
.hero h1 strong{display:block;color:var(--blue2)}
.hero p{font-size:18px;color:#2d3850;margin:0 0 24px}
.hero-photo{position:absolute;right:0;top:0;width:56%;height:100%;object-fit:cover;object-position:center}
.hero-photo:after{content:""}
.hero-fade{position:absolute;inset:0;background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.97) 35%,rgba(255,255,255,.28) 60%,rgba(255,255,255,0) 75%)}
.service-strip{display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.95);border:1px solid rgba(220,226,238,.9);border-radius:18px;box-shadow:0 12px 30px rgba(20,45,90,.08);overflow:hidden;max-width:720px;margin:24px 0 14px}
.service-item{padding:18px 14px;text-align:center;border-right:1px solid #e6eaf2}
.service-item:last-child{border-right:0}
.service-icon{font-size:28px;color:var(--blue);margin-bottom:6px}
.service-item b{display:block;font-size:15px}
.service-item span{font-size:12px;color:#5d6677}
.primary-btn{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;padding:13px 22px;border-radius:999px;font-weight:900;box-shadow:0 10px 24px rgba(13,77,199,.22)}
.hero-contact{position:absolute;right:4%;bottom:28px;background:rgba(255,255,255,.96);border-radius:18px;padding:22px 26px;box-shadow:0 16px 34px rgba(26,42,74,.16);z-index:3}
.hero-contact .label{font-weight:800}
.hero-contact .phone{font-size:28px;font-weight:900;color:var(--blue);margin-top:4px}
.hero-contact .pill{display:inline-block;margin-top:8px;background:var(--navy);color:#fff;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:800}

section{padding:58px 0}
.section-title{text-align:center;margin-bottom:28px}
.section-title h2{font-size:31px;margin:0 0 7px;color:#152b51;letter-spacing:-1px}
.section-title p{margin:0;color:var(--muted)}

.grade-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grade-card{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 10px 28px rgba(27,48,84,.07)}
.grade-card img{width:100%;height:220px;object-fit:cover}
.grade-body{padding:22px 24px 24px}
.grade-card h3{font-size:24px;margin:0 0 8px}
.grade-card p{margin:0 0 12px;color:#465168}
.grade-card ul{margin:0 0 18px;padding-left:20px;color:#465168}
.grade-card li{margin:6px 0}
.grade-card .more{display:block;text-align:center;color:#fff;font-weight:900;padding:11px 16px;border-radius:999px}
.grade-card.elementary .more{background:var(--green)}
.grade-card.middle .more{background:var(--blue2)}
.grade-card.high .more{background:var(--purple)}

.why-wrap{padding-top:10px}
.why-box{border:1px solid var(--line);border-radius:20px;overflow:hidden;display:grid;grid-template-columns:1.55fr .95fr;box-shadow:0 10px 28px rgba(26,45,80,.06)}
.why-left{padding:26px}
.why-left h2{font-size:28px;margin:0 0 22px}
.reason-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.reason{text-align:center}
.reason-icon{width:64px;height:64px;margin:0 auto 10px;border-radius:50%;background:#eef4ff;color:var(--blue);display:grid;place-items:center;font-size:26px;border:1px solid #dce6fa}
.reason b{display:block;font-size:15px;margin-bottom:5px}
.reason span{display:block;font-size:12px;color:#5f6878}
.cta-panel{background:linear-gradient(135deg,#0d2f69,#163f83);color:#fff;padding:28px;display:flex;flex-direction:column;justify-content:center}
.cta-panel h3{font-size:25px;margin:0 0 8px}
.cta-panel p{margin:0 0 14px;opacity:.9}
.cta-panel .phone{font-size:31px;font-weight:900;margin-bottom:14px}
.white-btn{background:#fff;color:var(--navy);padding:12px 18px;border-radius:999px;text-align:center;font-weight:900}

.info-section{background:#f8faff}
.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.info-card h3{margin:0 0 7px;color:#173c79}
.info-card p{margin:0;color:#5b6577;font-size:14px}
footer{background:#0e2b5e;color:#fff}
.footer-top{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.15);font-size:13px;text-align:center}
.footer-bottom{padding:24px 0;color:rgba(255,255,255,.78);font-size:13px}

.page-hero{padding:72px 0;background:linear-gradient(120deg,#f5f8ff,#e9f1ff)}
.page-hero h1{font-size:42px;margin:0 0 8px;color:#163363}
.page-hero p{margin:0;color:#586479}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.detail-card{border:1px solid var(--line);border-radius:18px;background:#fff;padding:24px}
.detail-card h3{margin-top:0;color:#164287}
.detail-card ul{padding-left:20px;margin-bottom:0}

@media (max-width:980px){
  .menu{display:none}
  .hero .container{grid-template-columns:1fr;min-height:650px;align-items:start}
  .hero-copy{padding-top:44px}
  .hero-photo{width:100%;height:44%;top:auto;bottom:0;object-position:center}
  .hero-fade{background:linear-gradient(180deg,#fff 0%,rgba(255,255,255,.98) 45%,rgba(255,255,255,.25) 70%,rgba(255,255,255,0) 100%)}
  .hero-contact{right:4%;bottom:18px}
  .grade-grid,.info-grid{grid-template-columns:1fr 1fr}
  .why-box{grid-template-columns:1fr}
  .reason-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:640px){
  .brand{font-size:22px}.brand small{display:none}.nav{height:70px}
  .nav-cta{font-size:12px;padding:10px 12px}
  .hero h1{font-size:34px}.hero p{font-size:16px}
  .service-strip{grid-template-columns:1fr 1fr}
  .service-item:nth-child(2){border-right:0}.service-item:nth-child(-n+2){border-bottom:1px solid #e6eaf2}
  .hero-contact{position:relative;right:auto;bottom:auto;margin:0 0 20px;width:max-content;max-width:92%}
  .grade-grid,.info-grid,.detail-grid{grid-template-columns:1fr}
  .reason-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .grade-card img{height:200px}
}

/* 2026-08-30 fixes: remove duplicate hero contact overlay and correct baked high-school title */
.grade-image-wrap{position:relative;height:220px;overflow:hidden}
.grade-image-wrap img{width:100%;height:100%;object-fit:cover}
.high-title-fix{position:absolute;top:15px;left:52%;transform:translateX(-4%);background:#f7f3ff;color:#4c2a96;font-size:24px;font-weight:900;line-height:1.25;padding:2px 7px;white-space:nowrap;letter-spacing:-1px}
@media(max-width:620px){.grade-image-wrap{height:200px}.high-title-fix{top:13px;font-size:21px}}