/* 다옴센터: 차분하고 믿음이 가는 톤. 네이비 글자, 청록 포인트, 따뜻한 종이색 바탕, 제목과 본문 모두 Pretendard 고딕. */
:root{
  --navy:#1F3A5F;
  --navy-soft:#2F4560;
  --teal:#23B5A5;
  --teal-ink:#127266;
  --teal-tint:#E3F4F1;
  --paper:#F7F4EE;
  --line:#E2DED5;
  --muted:#4F5D6C;
  --hl:rgba(245,163,26,.38);
  --serif:"Pretendard Variable",Pretendard,-apple-system,"Apple SD Gothic Neo",sans-serif;
  --r:14px;
  --shadow:0 18px 40px -22px rgba(31,58,95,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{
  margin:0;background:#fff;color:var(--navy);
  font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  font-size:19px;line-height:1.85;font-weight:450;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
figure{margin:0}
h1,h2,h3,p,ol,ul{margin:0}
h1,h2{font-family:var(--serif);font-weight:800;letter-spacing:-.035em;line-height:1.32}
h3{font-size:24px;line-height:1.4;letter-spacing:-.01em}
a{color:inherit}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}
.section{padding:120px 0}
mark{background:linear-gradient(transparent 58%,var(--hl) 58%);color:var(--teal-ink);font-weight:800;padding:0 .08em}
.todo{background:#FFF6CC;color:#5B4B00;border-radius:4px;padding:0 4px}

.eyebrow{font-size:16px;font-weight:700;color:var(--teal-ink);letter-spacing:.12em;margin-bottom:14px}
.sec-head{max-width:820px;margin-bottom:56px}
.sec-head h2{font-size:clamp(32px,4.4vw,54px)}
.sec-sub{margin-top:14px;color:var(--muted)}

/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;border-radius:999px;background:var(--navy);color:#fff;font-weight:700;font-size:16px;text-decoration:none;transition:background .2s,transform .2s}
.btn:hover{background:var(--teal-ink);transform:translateY(-1px)}
.btn-sm{min-height:44px;padding:0 20px;font-size:15px}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--teal-tint);color:var(--navy)}
.link-arrow{font-weight:700;text-decoration:none;border-bottom:2px solid var(--teal);padding-bottom:2px}
.link-arrow::after{content:" →"}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--navy);color:#fff;padding:8px 16px}
.skip:focus{left:8px}

/* 머리 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.scrolled{border-color:var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:19px}
.brand img{height:28px;width:auto}
.menu{display:flex;align-items:center;gap:32px;font-size:16px;font-weight:600}
.menu a:not(.btn){text-decoration:none;color:var(--navy-soft)}
.menu a:not(.btn):hover,.menu a.active{color:var(--teal-ink)}
.menu-btn{display:none;min-height:44px;padding:0 18px;border:1px solid var(--line);border-radius:999px;background:#fff;font:inherit;font-weight:600;color:var(--navy);cursor:pointer}

/* 첫 화면 */
.hero{background:linear-gradient(180deg,#fff 0%,var(--paper) 100%);padding:72px 0 96px}
.hero-in{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(44px,6.6vw,84px);line-height:1.25}
.hero h1 em{font-style:normal;color:var(--teal-ink)}
.hero-sub{margin-top:28px;font-size:23px;color:var(--navy-soft);max-width:30em}
.hero-act{display:flex;align-items:center;gap:28px;margin-top:36px;flex-wrap:wrap}
.hero-photo{border-radius:24px 24px 24px 120px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:5/4}
.hero-photo img{width:100%;height:100%;object-fit:cover}

/* 센터 소개 */
.about-in{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px}
.about-head h2{font-size:clamp(32px,4.4vw,54px)}
.lede{font-family:var(--serif);font-size:27px;line-height:1.6;font-weight:700;letter-spacing:-.02em;margin-bottom:20px}
.about-body p+p{margin-top:14px;color:var(--navy-soft)}

/* 비전 */
.vision{background:var(--paper)}
.pillars{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:p}
.pillars li{background:#fff;border-radius:var(--r);padding:36px 32px 40px;border:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
.p-ico{width:52px;height:52px;padding:10px;border-radius:50%;background:var(--teal-tint);fill:none;stroke:var(--teal-ink);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;margin-bottom:8px}
.pillars strong{font-family:var(--serif);font-weight:800;font-size:26px;letter-spacing:-.02em}
.pillars span{color:var(--navy-soft);font-size:18.5px}

/* 하는 일 */
.row{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
.row+.row{margin-top:88px}
.row-flip .row-photo{order:2}
.row-photo{border-radius:20px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:16/10}
.row-photo img{width:100%;height:100%;object-fit:cover}
.row-tag{display:inline-block;font-size:14px;font-weight:700;color:var(--teal-ink);background:var(--teal-tint);border-radius:999px;padding:4px 14px;margin-bottom:14px}
.row-text h3{margin-bottom:14px;font-size:34px;font-family:var(--serif);font-weight:800;letter-spacing:-.03em}
.row-text p:not(.row-tag){color:var(--navy-soft)}

/* 이음 아카데미 */
.academy{position:relative;padding:0 0 120px}
.academy-photo{height:clamp(280px,40vw,520px);overflow:hidden}
.academy-photo img{width:100%;height:100%;object-fit:cover}
.academy-in{margin-top:-160px;position:relative}
.academy-card{background:var(--navy);color:#fff;border-radius:24px;padding:56px clamp(28px,5vw,64px);max-width:860px;margin-inline:auto;text-align:center;box-shadow:var(--shadow)}
.academy-card .eyebrow{color:#7FD8CC}
.academy-card h2{font-size:clamp(34px,4.6vw,56px)}
.academy-quote{font-family:var(--serif);font-weight:600;font-size:25px;color:#BFE9E2;margin:6px 0 24px}
.academy-card p+p{margin-top:12px}
.academy-card p:not(.eyebrow):not(.academy-quote){color:#DCE6F0}
.academy-card .btn{margin-top:32px;background:#fff;color:var(--navy)}
.academy-card .btn:hover{background:var(--teal-tint)}

/* 운영진 */
.team{background:var(--paper)}
.letter{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start;background:#fff;border-radius:24px;padding:48px;border:1px solid var(--line)}
.letter-photo,.teacher-photo{border-radius:18px;overflow:hidden;aspect-ratio:4/5;background:var(--teal-tint)}
.letter-photo img,.teacher-photo img{width:100%;height:100%;object-fit:cover;object-position:top}
.letter-title{margin:0;font-family:var(--serif);font-size:31px;letter-spacing:-.02em;font-weight:700;line-height:1.5;margin-bottom:22px}
.letter-body p:not(.letter-title){color:var(--navy-soft)}
.letter-body p+p{margin-top:12px}
.letter-sign{text-align:right;font-family:var(--serif);font-weight:700;color:var(--navy)!important;margin-top:24px!important}
.teacher{display:grid;grid-template-columns:260px 1fr;gap:48px;align-items:start;margin-top:32px;padding:48px;background:#fff;border-radius:24px;border:1px solid var(--line)}
.role{font-size:15px;font-weight:700;color:var(--teal-ink)}
.teacher h3{font-family:var(--serif);font-size:36px;margin:2px 0 14px}
.teacher-body>p:not(.role){color:var(--navy-soft)}
.career{list-style:none;padding:20px 0 0;margin-top:20px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:6px 24px;font-size:17.5px;color:var(--navy-soft)}
.career li::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-right:10px;vertical-align:middle}

/* 현장 사진 */
.photos{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:clamp(150px,17vw,230px);gap:16px}
.photos figure{position:relative;border-radius:16px;overflow:hidden}
.photos img{width:100%;height:100%;object-fit:cover}
.photos figcaption{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.92);color:var(--navy);font-size:14px;font-weight:700;border-radius:999px;padding:4px 12px}
.ph-a{grid-column:1/span 7;grid-row:span 2}
.ph-b{grid-column:8/span 5}
.ph-c{grid-column:8/span 5}
.ph-d{grid-column:1/-1;grid-row:span 2}

/* 자주 묻는 질문 */
.faq{background:var(--paper)}
.faq-in{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:0 24px}
.faq-list details+details{margin-top:12px}
.faq-list summary{cursor:pointer;list-style:none;font-weight:700;font-size:20px;padding:22px 32px 22px 0;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:0;top:18px;font-size:24px;color:var(--teal-ink)}
.faq-list details[open] summary::after{content:"−"}
.faq-list details p{padding-bottom:22px;color:var(--navy-soft)}

/* 문의 */
.contact{background:var(--teal-ink);color:#fff;padding:96px 0}
.contact-in{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:center}
.contact h2{font-size:clamp(32px,4.4vw,54px);margin-bottom:14px}
.contact-in>div>p{color:#D5EFEA}
.contact-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:32px;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.contact-label{font-size:14px;color:#BFE9E2;font-weight:700}
.contact-mail{font-size:22px;font-weight:700;text-decoration:none;word-break:break-all}

/* 꼬리 */
.foot{background:var(--navy);color:#C9D4E0;padding:56px 0 28px;font-size:15px}
.foot-in{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.foot-name{font-family:var(--serif);font-size:22px;font-weight:700;color:#fff;margin-bottom:4px}
.foot-nav{display:flex;gap:24px;flex-wrap:wrap}
.foot-nav a{text-decoration:none}
.foot-nav a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:14px}

/* 나타나기 */
.reveal{opacity:0;transform:translateY(20px);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}}

/* 태블릿 이하 */
@media (max-width:900px){
  .section{padding:80px 0}
  .hero{padding:40px 0 64px}
  .hero-in,.about-in,.row,.faq-in,.contact-in{grid-template-columns:1fr;gap:36px}
  .hero-photo{border-radius:20px 20px 20px 72px}
  .row-flip .row-photo{order:0}
  .row+.row{margin-top:64px}
  .pillars{grid-template-columns:1fr}
  .letter,.teacher{grid-template-columns:1fr;padding:28px;gap:28px}
  .letter-photo{max-width:320px}
  .teacher-photo{max-width:260px}
  .academy-in{margin-top:-80px}
  .academy-card{padding:40px 28px}
  .photos{grid-template-columns:1fr 1fr;grid-auto-rows:42vw;gap:10px}
  .ph-a,.ph-d{grid-column:1/-1;grid-row:span 1}
  .ph-b,.ph-c{grid-column:auto}
  .menu-btn{display:inline-flex;align-items:center}
  .menu{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;border-bottom:1px solid var(--line)}
  .menu.open{display:flex}
  .menu a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line)}
  .menu .btn{margin-top:14px}
}
@media (max-width:560px){
  body{font-size:18px}
  .career{grid-template-columns:1fr}
  .hero-sub{font-size:18px}
}

/* 최종 점검 보완 */
.academy-card :focus-visible,.contact :focus-visible,.foot :focus-visible{outline-color:#fff}
.foot-mail{display:inline-block;padding:10px 0;color:#fff}
.foot-nav a{padding:10px 0}
.btn,.menu-btn,.faq-list summary{touch-action:manipulation}
.photos figure{transition:transform .4s ease}
@media (hover:hover){.photos figure:hover{transform:translateY(-3px)}}