:root{
  --accent:#13130A;
  --apt-ink:#13130A;
  --apt-yellow:#FEEB8F;
  --accent-soft:#FFF6D6;
  --ink:#000000;
  --text:#22262B;
  --muted:#5B6169;
  --line:#E0E0DC;
  --hero-tint:#F4F1EA;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Pretendard',sans-serif;color:var(--text);line-height:1.65;background:#fff}
h1,h2,h3{font-family:'Spoqa Han Sans Neo','Pretendard',sans-serif;font-weight:700;color:var(--apt-ink);margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--apt-ink)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:8px}
.logo-icon{width:32px;height:32px;color:var(--apt-ink);flex-shrink:0}
.logo-icon svg{width:100%;height:100%}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-brand{font-family:'Spoqa Han Sans Neo','Pretendard',sans-serif;font-size:18px;font-weight:800;letter-spacing:-0.02em;color:var(--apt-ink)}
.logo-keyword{font-size:0.7rem;font-weight:500;color:var(--apt-ink);letter-spacing:0.04em;opacity:.65}
.main-nav{display:flex;align-items:center;gap:32px;font-family:'Spoqa Han Sans Neo','Pretendard',sans-serif;font-size:15px;font-weight:600}
.nav-dropdown{position:relative}
.nav-dropdown .caret{font-size:11px}
.dropdown-panel{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);min-width:220px;padding:8px 0;box-shadow:0 12px 24px rgba(0,0,0,.08)}
.nav-dropdown:hover .dropdown-panel,.nav-dropdown:focus-within .dropdown-panel{display:block}
.dropdown-panel a{display:block;padding:10px 18px;font-size:14px;font-weight:600}
.dropdown-panel a:hover{background:var(--accent-soft);color:var(--apt-ink)}
.btn-nav-cta{background:var(--apt-ink);color:#fff;padding:0 22px;height:44px;display:inline-flex;align-items:center;border-radius:22px;font-weight:700}
@media(max-width:900px){.main-nav{display:none}}

/* ---------- CTA pill (apt) ---------- */
.btn-primary,.btn-outline{display:inline-flex;align-items:center;justify-content:center;height:60px;padding:0 30px;border-radius:30px;font-weight:700;font-family:'Spoqa Han Sans Neo','Pretendard',sans-serif}
.btn-primary{background:var(--apt-ink);color:#fff;border:1.5px solid var(--apt-ink)}
.btn-outline{background:transparent;color:var(--apt-ink);border:1.5px solid var(--apt-ink)}
.btn-primary:hover{background:#000}
.btn-outline:hover{background:var(--apt-ink);color:#fff}

/* ---------- floating circular CTA ---------- */
.floating-cta{position:fixed;right:28px;bottom:28px;width:64px;height:64px;border-radius:50%;background:var(--apt-yellow);color:var(--apt-ink);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;text-align:center;line-height:1.2;z-index:70;box-shadow:0 8px 20px rgba(0,0,0,.18)}
@media(max-width:767px){.floating-cta{display:none}}

/* ---------- eyebrow ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-family:'Barlow Condensed',sans-serif;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent);text-transform:uppercase;margin-bottom:14px}
.eyebrow svg{flex-shrink:0}
.section-head{margin-bottom:40px}
.section-title{font-size:clamp(22px,3vw,32px);line-height:1.35}
.section{padding:88px 0}

/* ---------- champions city hover ---------- */
.hover-box{position:relative;background:#fff;border:1px solid var(--line);overflow:hidden}
.hover-box::before,.hover-box::after{content:"";position:absolute;pointer-events:none;transition:all .6s ease}
.hover-box::before{top:0;left:0;width:0;height:1px;background:#000}
.hover-box::after{bottom:0;right:0;width:0;height:1px;background:#000}
.hover-box:hover::before,.hover-box:hover::after{width:100%}
.hover-box .side-line{position:absolute;top:0;bottom:0;width:1px;background:#000;transition:height .6s ease .1s}
.hover-box .side-line.l{left:0;height:0}
.hover-box .side-line.r{right:0;height:0}
.hover-box:hover .side-line{height:100%}

/* ---------- apt-service-hero (hero_id=11) — bright real photo + black type, no dark scrim ---------- */
.apt-hero{position:relative;height:700px;display:flex;align-items:flex-end;overflow:hidden;background:#f2f2ee}
.apt-hero--short{height:440px}
.apt-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.apt-hero-scrim{position:absolute;left:0;right:0;bottom:0;height:62%;background:linear-gradient(to top, rgba(255,255,255,.96) 15%, rgba(255,255,255,0));pointer-events:none}
.apt-hero-inner{position:relative;z-index:2;padding:0 0 56px;width:100%}
.apt-hero .eyebrow{color:var(--apt-ink)}
.apt-hero h1{font-family:'Spoqa Han Sans Neo','Pretendard',sans-serif;font-weight:700;font-size:clamp(28px,4.6vw,46px);line-height:1.25;margin:10px 0 18px;color:var(--apt-ink)}
.apt-hero-sub{font-size:16px;color:var(--apt-ink);opacity:.8;max-width:560px;margin-bottom:28px}
.apt-hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.apt-hero-checks{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13.5px;color:var(--apt-ink);opacity:.75}
.apt-hero-checks li{display:flex;align-items:center;gap:6px}
@media(max-width:767px){.apt-hero{height:520px}.apt-hero--short{height:360px}.apt-hero-inner{padding-bottom:36px}}

/* ---------- why cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.why-card{padding:32px 26px}
.why-card h3{font-size:18px;margin-bottom:10px}
.why-card p{font-size:14.5px;color:var(--muted)}
@media(max-width:900px){.grid-3{grid-template-columns:1fr 1fr}.grid-2{grid-template-columns:1fr}}
@media(max-width:600px){.grid-3{grid-template-columns:1fr}}

/* ---------- why-us zigzag ---------- */
.zigzag-item{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px}
.zigzag-item:last-child{margin-bottom:0}
.zigzag-item:nth-child(even) .zz-media{order:2}
.zigzag-item:nth-child(even) .zz-copy{order:1}
.zz-media img{border-radius:16px;aspect-ratio:4/3;object-fit:cover}
.zz-copy h3{font-size:22px;margin-bottom:14px}
.zz-copy p{color:var(--muted);font-size:15px}
@media(max-width:800px){.zigzag-item{grid-template-columns:1fr;gap:20px}.zigzag-item:nth-child(even) .zz-media,.zigzag-item:nth-child(even) .zz-copy{order:initial}}

/* ---------- course/service cards (apt-service-icons = section_variant 9) ---------- */
.apt-service-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.course-card{background:#fff;padding:34px 22px;transition:background .2s ease}
.course-card:hover{background:#FFFBEC}
.card-icon{display:flex;align-items:center;justify-content:center;width:48px;height:48px;flex-shrink:0;overflow:hidden;border-radius:50%;background:var(--apt-yellow);margin-bottom:18px}
.card-icon svg{display:block;width:24px;height:24px;max-width:24px;max-height:24px;stroke:var(--apt-ink)}
.course-card h3{font-size:16px;margin-bottom:8px;color:var(--apt-ink)}
.course-card p{font-size:13.5px;color:var(--muted)}
@media(max-width:900px){.apt-service-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.apt-service-grid{grid-template-columns:1fr}}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-grid img{border-radius:16px;aspect-ratio:4/3;object-fit:cover}
.about-grid p{color:var(--muted);margin-bottom:16px}
@media(max-width:800px){.about-grid{grid-template-columns:1fr}}

/* ---------- cases home 3-col ---------- */
.case-card{display:block}
.case-card .case-thumb{aspect-ratio:1/1;overflow:hidden;border-radius:12px}
.case-card .case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.case-card:hover .case-thumb img{transform:scale(1.05)}
.case-card .case-title{margin-top:14px;font-size:15.5px;font-weight:700}
.case-more{text-align:center;margin-top:36px}

/* ---------- 교육사례 목록: apt-journal masonry (list_variant=3) ---------- */
.apt-journal-title{font-family:'Spoqa Han Sans Neo','Pretendard',sans-serif;font-weight:700;font-size:clamp(28px,4vw,46px);color:var(--apt-ink);margin-bottom:40px}
.case-list-grid{columns:3 280px;column-gap:24px}
.ecard{display:block;break-inside:avoid;margin-bottom:36px}
.ecard .ecard-thumb{overflow:hidden;position:relative;border-radius:4px}
.ecard .ecard-thumb img{width:100%;height:auto;object-fit:cover}
.ecard .ecard-badge{position:absolute;top:12px;left:12px;background:var(--apt-ink);color:#fff;font-size:11px;padding:4px 10px;font-weight:700;letter-spacing:.03em}
.ecard-body{padding:16px 2px 0}
.ecard-body h3{font-size:24px;font-weight:700;margin-bottom:8px;line-height:1.3;color:var(--apt-ink)}
.ecard-body p{font-size:13.5px;color:var(--muted);margin-bottom:12px}
.ecard-tags{display:flex;flex-wrap:wrap;gap:6px}
.ecard-tags span{font-size:11px;color:#777;text-transform:uppercase;letter-spacing:.03em}
.ecard-tags span:not(:last-child)::after{content:"·";margin-left:6px;color:#bbb}
@media(max-width:900px){.case-list-grid{columns:2 240px}}
@media(max-width:600px){.case-list-grid{columns:1}}

/* ---------- info table ---------- */
.info-table{width:100%;border-collapse:collapse;margin:20px 0 28px}
.info-table th,.info-table td{border:1px solid var(--line);padding:12px 16px;text-align:left;font-size:14.5px}
.info-table th{background:#F9F7F3;width:150px;color:var(--text);font-weight:700}
.info-table td{color:var(--muted)}

/* ---------- process ---------- */
.process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.process-item{padding:28px 20px 28px 24px;border-right:1px solid var(--line)}
.process-item:first-child{padding-left:0}
.process-item:last-child{border-right:none}
.pnum{display:block;font-size:13px;font-weight:700;color:var(--accent);margin-bottom:10px}
.process-item h3{font-size:16px;font-weight:800;color:#22262B;margin:0 0 8px}
.process-item p{font-size:13.5px;color:#5B6169;line-height:1.65;margin:0}
@media(max-width:767px){.process-list{grid-template-columns:1fr 1fr}.process-item{padding:22px 16px 22px 16px}.process-item:first-child{padding-left:16px}}

/* ---------- faq ---------- */
.faq-list{max-width:820px}
.faq-item{border-bottom:1px solid var(--line);padding:18px 0}
.faq-item summary{cursor:pointer;font-weight:700;font-size:15.5px;list-style:none;position:relative;padding-right:24px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:0;top:0;font-size:18px}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin-top:12px;color:var(--muted);font-size:14.5px}

/* ---------- after cards ---------- */
.after-card{padding:30px 26px}
.after-card h3{font-size:17px;margin-bottom:8px}
.after-card p{font-size:14px;color:var(--muted)}

/* ---------- closing ---------- */
.closing{position:relative;background-size:cover;background-position:center;height:650px;display:flex;align-items:center;justify-content:center}
.closing-overlay{background:rgba(19,19,19,.55);position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:0 20px}
.closing-head{color:#fff;font-family:'Spoqa Han Sans Neo','Pretendard',sans-serif;font-size:clamp(24px,3.4vw,38px);font-weight:700;margin-bottom:14px}
.closing-sub{color:#eee;font-size:15px;margin-bottom:28px}
.btn-closing{display:inline-flex;align-items:center;justify-content:center;height:60px;padding:0 32px;border-radius:30px;border:1.5px solid #fff;color:#fff;font-weight:700}
.btn-closing:hover{background:#fff;color:var(--apt-ink)}

/* ---------- footer (black) ---------- */
.site-footer{background:#000;padding:56px 0 0;font-size:13.5px;color:#AAAAAA}
.footer-inner{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:32px}
.footer-brand{font-family:'Spoqa Han Sans Neo','Pretendard',sans-serif;font-weight:700;font-size:17px;color:#fff;margin-bottom:10px}
.footer-inner p{margin:4px 0}
.footer-phone a{color:var(--apt-yellow);font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a:hover{color:#fff}
.footer-copy{border-top:1px solid #2A2A2A;padding:16px 0;font-size:12px}
.mobile-only{display:none}

/* ---------- mobile bottom bar ---------- */
.mobile-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:60;background:#fff;border-top:1px solid var(--line)}
.mobile-bar-btn{flex:1;text-align:center;padding:14px 0;font-weight:700}
.mobile-bar-tel{background:var(--apt-ink);color:#fff}
@media(max-width:767px){.mobile-bar{display:flex}body{padding-bottom:56px}.mobile-only{display:inline}}

/* ---------- case detail journal (case_detail_variant=1) ---------- */
.page-hero{background:var(--hero-tint);padding:56px 0 32px;text-align:center}
.page-hero .eyebrow{justify-content:center}
.page-hero h1,.page-hero-title{font-size:clamp(24px,3vw,32px);font-family:'Spoqa Han Sans Neo','Pretendard',sans-serif;font-weight:700;margin:0;color:var(--apt-ink)}
.kh-single{padding:48px 0}
.kh-single__thumb{max-width:1000px;aspect-ratio:16/9;margin:0 auto 40px;border-radius:4px;overflow:hidden;background:#fff}
.kh-single__thumb img{width:100%;height:100%;object-fit:cover;border-radius:4px}
.kh-single__index{font-size:13px;color:#888;letter-spacing:.04em;margin-bottom:14px;display:block;text-align:center}
.kh-single__title{font-size:28px;font-weight:700;line-height:1.35;margin:0 0 20px;text-align:center;font-family:'Spoqa Han Sans Neo','Pretendard',sans-serif;color:var(--apt-ink)}
.related-cats{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.related-cats a{font-size:13px;background:var(--accent-soft);color:var(--apt-ink);padding:6px 14px;border-radius:20px;font-weight:600}
.kh-single__body{max-width:760px;margin:0 auto}
.kh-single__body h2{font-size:20px;margin-top:48px;margin-bottom:16px}
.kh-single__body p{color:var(--text);font-size:15px;font-weight:450}
.kh-single__body ul{margin:12px 0;padding-left:20px;list-style:disc;color:var(--text)}
.kh-gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:900px;margin:32px auto}
.kh-gallery img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;background:#fff;border-radius:4px;cursor:pointer}
@media(max-width:767px){.kh-gallery{grid-template-columns:1fr}.kh-single__title{font-size:22px}.kh-single__thumb{aspect-ratio:4/3}}
.related-row{padding:0 0 56px}

/* ---------- lightbox ---------- */
.lightbox-overlay{position:fixed;inset:0;background:rgba(0,0,0,.88);z-index:200;display:none;align-items:center;justify-content:center}
.lightbox-overlay.open{display:flex}
.lightbox-overlay img{max-width:92vw;max-height:88vh;object-fit:contain}
.lightbox-close{position:absolute;top:20px;right:28px;color:#fff;font-size:32px;cursor:pointer;background:none;border:none}
.lightbox-arrow{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:36px;background:none;border:none;cursor:pointer;padding:12px}
.lightbox-prev{left:12px}
.lightbox-next{right:12px}

/* ---------- category/about body ---------- */
.cat-body{padding:56px 0 0}
.cat-body-inner{max-width:760px;margin:0 auto}
.cat-body-inner h2{font-size:20px;margin-top:36px;margin-bottom:14px}
.cat-body-inner p{font-size:15.5px}
.cat-body-inner ul{margin:12px 0;padding-left:20px;list-style:disc}

/* section bg rotation helpers */
.bg-a{background:#DCD8CF}
.bg-b{background:#F3F3F1}
.bg-c{background:#F9F7F3}
.bg-d{background:#F4F8FC}
.bg-e{background:#FDFDFD}
.bg-f{background:#F8FAFC}