:root{--black:#050708;--panel:#0c1114;--text:#f4f2ec;--muted:#9ba3a7;--gold:#d8b96a;--line:rgba(255,255,255,.13)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--black);color:var(--text);font-family:'Noto Sans KR',sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}img{display:block;width:100%}.header{position:fixed;z-index:20;top:0;left:0;width:100%;height:88px;padding:0 4.5vw;display:flex;align-items:center;border-bottom:1px solid rgba(255,255,255,.12);transition:.3s}.header.scrolled{height:70px;background:rgba(5,7,8,.93);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:12px;font-family:'DM Serif Display',serif;font-size:22px;letter-spacing:.12em}.brand img{width:42px;height:42px;object-fit:cover}.nav{margin-left:auto;display:flex;gap:34px;font-size:13px}.nav a{color:#e5e5e2}.header-cta{margin-left:34px;padding:11px 22px;border:1px solid var(--gold);color:var(--gold);font-size:13px}.menu-button{display:none;background:none;border:0}.hero{height:100svh;min-height:720px;position:relative;background:url('assets/hero.webp') center/cover no-repeat;display:flex;align-items:center}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,7,10,.9) 0%,rgba(3,7,10,.47) 45%,rgba(3,7,10,.08) 70%),linear-gradient(0deg,rgba(3,7,10,.6),transparent 35%)}.hero-content{position:relative;width:min(1260px,91vw);margin:auto}.eyebrow,.section-label{display:block;color:var(--gold);font-size:11px;letter-spacing:.3em;font-weight:600;margin-bottom:24px}.hero h1,.section h2,.scuba-panel h2{font-family:'DM Serif Display','Noto Sans KR',serif;font-weight:400;line-height:1.08;margin:0}.hero h1{font-size:clamp(64px,8vw,126px);letter-spacing:-.045em}.hero-copy{font-size:17px;color:#d4d7d6;font-weight:300;margin:30px 0 40px}.hero-actions{display:flex;gap:12px}.button{display:inline-flex;min-width:170px;justify-content:center;padding:15px 25px;font-size:13px;font-weight:600}.button.gold{background:var(--gold);color:#111}.button.line{border:1px solid rgba(255,255,255,.5)}.scroll{position:absolute;bottom:36px;right:4.5vw;font-size:9px;letter-spacing:.2em;writing-mode:vertical-rl;color:#bbb}.scroll i{display:inline-block;height:55px;width:1px;background:rgba(255,255,255,.5);margin-top:12px}.section{padding:130px max(4.5vw,24px)}.intro{max-width:1450px;margin:auto}.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:10vw}.intro h2,.section-head h2{font-size:clamp(42px,5vw,76px)}.intro h2 em{color:var(--gold);font-weight:400}.intro-copy>p{color:#bac0c2;font-size:17px;max-width:570px;margin:10px 0 45px}.stats{display:flex;gap:60px;border-top:1px solid var(--line);padding-top:28px}.stats div{display:flex;flex-direction:column}.stats strong{font-family:'DM Serif Display',serif;color:var(--gold);font-size:24px}.stats span{font-size:12px;color:var(--muted);margin-top:5px}.courses{background:#090d0f}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:55px}.section-head p{color:var(--muted);font-size:14px}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.course-card{position:relative;height:620px;overflow:hidden}.course-card img{height:100%;object-fit:cover;transition:transform .8s}.course-card:hover img{transform:scale(1.04)}.card-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.88),transparent 64%)}.card-content{position:absolute;left:32px;right:32px;bottom:36px}.card-content>span{font-size:11px;color:var(--gold);letter-spacing:.25em}.card-content h3{font-family:'DM Serif Display';font-size:34px;margin:7px 0}.card-content p{font-size:13px;color:#c6ccce}.card-content a{display:inline-block;margin-top:20px;font-size:12px;border-bottom:1px solid var(--gold);padding-bottom:5px}.abstract{background:linear-gradient(145deg,#101c20,#071114);border:1px solid var(--line)}.rings{position:absolute;width:460px;height:460px;border:1px solid rgba(216,185,106,.33);border-radius:50%;top:50%;left:50%;transform:translate(-50%,-62%)}.rings:before,.rings:after{content:'';position:absolute;border-radius:50%;border:1px solid rgba(216,185,106,.2);inset:55px}.rings:after{inset:110px}.price-section{background:#f0eee8;color:#111}.price-section .section-label{color:#856c31}.price-section .section-head p{color:#656565}.price-list{border-top:1px solid #bbb}.price-item{display:grid;grid-template-columns:.7fr 1.4fr 1.4fr .8fr .5fr;align-items:center;padding:26px 0;border-bottom:1px solid #c7c5c0;gap:20px}.price-item>span{font-size:10px;letter-spacing:.18em;color:#856c31}.price-item h3{font-family:'DM Serif Display';font-size:25px;margin:0}.price-item p{font-size:13px;color:#666}.price-item strong{text-align:right;font-size:16px}.price-item a{text-align:right;font-size:12px;text-decoration:underline;text-underline-offset:5px}.scuba-band{display:grid;grid-template-columns:1.1fr .9fr;min-height:780px}.scuba-image{background:url('assets/scuba.webp') center 36%/cover}.scuba-panel{background:#0d171b;padding:10vw 8vw;display:flex;flex-direction:column;justify-content:center}.scuba-panel h2{font-size:clamp(44px,5vw,72px)}.scuba-panel>p{color:var(--muted);max-width:480px;margin:28px 0}.scuba-panel ul{padding:0;margin:10px 0 35px;list-style:none;border-top:1px solid var(--line)}.scuba-panel li{display:flex;justify-content:space-between;padding:15px 0;border-bottom:1px solid var(--line);font-size:13px}.scuba-panel li b{color:var(--gold)}.scuba-panel .button{align-self:flex-start}.packages{background:#090d0f}.package-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.package-grid article{position:relative;padding:42px;border:1px solid var(--line);min-height:320px;display:flex;flex-direction:column}.package-grid article>span{font-size:10px;color:var(--gold);letter-spacing:.2em}.package-grid h3{font-family:'DM Serif Display','Noto Sans KR';font-size:28px;line-height:1.35;margin:25px 0 8px}.package-grid p{font-size:13px;color:var(--muted)}.package-grid strong{margin-top:auto;color:var(--gold);font-size:21px}.package-grid .featured{border-color:var(--gold);transform:translateY(-12px)}.package-grid small{position:absolute;right:0;top:0;padding:7px 13px;background:var(--gold);color:#111;font-weight:700}.training{text-align:center;background:radial-gradient(circle at 50% 0,#18303b 0,transparent 46%)}.training h2{font-size:clamp(48px,6vw,85px)}.training>p{color:var(--muted);margin:30px 0}.training-tags{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.training-tags span{border:1px solid var(--line);padding:10px 18px;border-radius:30px;font-size:12px}.text-link{display:inline-block;color:var(--gold);font-size:13px;margin-top:35px}.instructor{display:grid;grid-template-columns:1fr 1fr;min-height:750px;align-items:center;background:#ece9e1;color:#151515}.monogram{font-family:'DM Serif Display';font-size:clamp(180px,30vw,470px);line-height:.7;color:#d7d2c6;letter-spacing:-.15em}.instructor h2{font-size:clamp(44px,5vw,72px)}.instructor-copy{max-width:570px}.instructor-copy>p{color:#666;margin:25px 0}.instructor-copy ul{padding:24px 0 0;border-top:1px solid #c9c4b8;list-style:none}.instructor-copy li{padding:5px 0;font-size:13px}.contact{text-align:center;padding-top:170px;padding-bottom:170px}.contact h2{font-size:clamp(48px,6vw,90px)}.contact p{color:var(--muted);margin:28px 0 38px}footer{padding:50px 4.5vw;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}footer>div{display:flex;gap:25px;font-size:11px;letter-spacing:.15em}footer p{grid-column:1/-1;font-size:10px;color:#666}.floating-kakao{display:none}.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}.reveal.visible{opacity:1;transform:none}
@media(max-width:800px){.header{height:68px;padding:0 20px}.brand img{width:36px;height:36px}.brand span{font-size:17px}.nav{position:fixed;inset:68px 0 auto;background:#080b0d;padding:28px 24px;display:none;flex-direction:column;gap:20px}.nav.open{display:flex}.header-cta{display:none}.menu-button{display:block;margin-left:auto;width:32px;height:32px;padding:6px}.menu-button span{display:block;width:20px;height:1px;background:#fff;margin:6px}.hero{min-height:680px;background-position:66% center}.hero-shade{background:linear-gradient(0deg,rgba(3,7,10,.9),rgba(3,7,10,.15) 78%),linear-gradient(90deg,rgba(3,7,10,.6),transparent)}.hero-content{padding-top:90px}.hero h1{font-size:58px}.hero-copy{font-size:14px}.hero-copy br{display:none}.hero-actions{flex-direction:column;width:190px}.scroll{display:none}.section{padding:90px 22px}.intro-grid,.scuba-band,.instructor{grid-template-columns:1fr}.intro-grid{gap:35px}.intro h2,.section-head h2{font-size:42px}.stats{gap:20px}.stats strong{font-size:20px}.section-head{display:block}.section-head p{margin-top:18px}.course-grid{grid-template-columns:1fr}.course-card{height:500px}.price-item{grid-template-columns:1fr auto;gap:5px 10px;padding:22px 0}.price-item>span,.price-item p{grid-column:1/-1}.price-item h3{font-size:22px}.price-item strong{grid-column:2}.price-item a{grid-column:1/-1;text-align:left;margin-top:7px}.scuba-band{min-height:0}.scuba-image{height:520px}.scuba-panel{padding:85px 22px}.package-grid{grid-template-columns:1fr}.package-grid .featured{transform:none}.package-grid article{min-height:280px}.training h2,.contact h2{font-size:45px}.instructor{padding-top:80px}.monogram{font-size:210px}.instructor-copy{padding:60px 22px 90px}footer{grid-template-columns:1fr}footer>div{flex-direction:column;gap:8px}.floating-kakao{display:flex;position:fixed;z-index:30;bottom:16px;left:18px;right:18px;justify-content:center;align-items:center;gap:8px;background:#fee500;color:#181600;padding:14px;border-radius:8px;font-size:14px;font-weight:700;box-shadow:0 8px 30px rgba(0,0,0,.3)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}}

.instructor-photo{height:650px;overflow:hidden;background:#050505}
.instructor-photo img{width:100%;height:100%;object-fit:cover;object-position:center}
.instructor-copy>p{font-size:16px;line-height:1.9}
.instructor-copy>.instructor-name{margin:0 0 18px;color:#856c31;font-size:18px;font-weight:700;letter-spacing:.08em}
.instructor-copy li{position:relative;padding:8px 0 8px 18px}
.instructor-copy li::before{content:'—';position:absolute;left:0;color:#856c31}
@media(max-width:800px){.instructor{padding-top:0}.instructor-photo{height:560px}.instructor-copy{padding-top:70px}.instructor-copy>p{font-size:15px}}

@media(min-width:801px){
  .instructor{grid-template-columns:minmax(380px,500px) minmax(0,620px);justify-content:center;gap:clamp(72px,6vw,112px);padding-top:120px;padding-bottom:120px}
  .instructor-photo{width:100%;height:620px}
  .instructor-photo img{object-fit:contain;object-position:center bottom}
  .instructor h2{font-size:clamp(48px,4.2vw,66px)}
}