/* ═══════════════════════════════════════════
   SWING LAB — 실내 골프 아카데미 & 스크린골프
   딥 파인그린 + 브라스 골드 + 라임 / 스윙 궤적 · 모노 데이터
   ═══════════════════════════════════════════ */
:root{
  --ink:#0c241a; --pine:#0f3a2a; --pine2:#13492f;
  --green:#1f8a52; --green-d:#15723f; --lime:#b6f23a;
  --gold:#cba94f; --gold-d:#a9863a;
  --cream:#f4f1e8; --sand:#ece3d1; --paper:#ffffff;
  --line:#e3dccc; --line-d:rgba(255,255,255,.12);
  --text:#1a2820; --muted:#6f7c70;
  --radius:18px; --radius-s:12px;
  --shadow:0 18px 50px rgba(12,36,26,.12);
  --shadow-sm:0 8px 26px rgba(12,36,26,.08);
  --mono:'Space Mono',ui-monospace,'Courier New',monospace;
  --sans:'Pretendard Variable',Pretendard,system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--text);background:var(--cream);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.wrap-n{max-width:760px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--green-d)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime)}
.on-dark .eyebrow{color:var(--lime)}

/* ── 버튼 ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:14.5px;line-height:1;padding:13px 22px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;font-family:inherit;transition:transform .18s,box-shadow .2s,background .2s,color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-lime{background:var(--lime);color:#10331f;box-shadow:0 8px 22px rgba(182,242,58,.35)}
.btn-lime:hover{box-shadow:0 12px 30px rgba(182,242,58,.5)}
.btn-prim{background:var(--green);color:#fff}
.btn-prim:hover{background:var(--green-d)}
.btn-gold{background:var(--gold);color:#231a06}
.btn-line{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn-lg{padding:17px 32px;font-size:16px}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn-block{width:100%}

/* ── 헤더 ── */
.hd{position:fixed;top:0;left:0;right:0;z-index:900;background:rgba(12,36,26,.0);transition:background .3s,box-shadow .3s,border-color .3s;border-bottom:1px solid transparent}
.hd.scrolled{background:rgba(11,30,22,.95);backdrop-filter:blur(12px);box-shadow:0 6px 24px rgba(0,0,0,.22);border-bottom-color:var(--line-d)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:inline-flex;align-items:center;font-family:var(--mono);font-weight:700;font-size:21px;letter-spacing:-.01em;color:#fff}
.logo .lab{color:var(--lime);margin-left:5px}
.logo .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);margin-left:5px;margin-top:9px}
.gnb{display:flex;gap:3px}
.gnb a{font-size:14.5px;font-weight:600;color:rgba(255,255,255,.8);padding:9px 13px;border-radius:8px;transition:color .2s,background .2s}
.gnb a:hover{color:#fff;background:rgba(255,255,255,.08)}
.gnb a.on{color:var(--lime)}
.hd-r{display:flex;align-items:center;gap:14px}
.hd-tel{font-family:var(--mono);font-size:14px;font-weight:700;color:#fff}
.m-burger{display:none;flex-direction:column;gap:5px;width:38px;height:38px;align-items:center;justify-content:center;background:rgba(255,255,255,.1);border:none;border-radius:9px;cursor:pointer}
.m-burger span{width:18px;height:2px;background:#fff;border-radius:2px}

/* ── 모바일 내비 ── */
#mNav{position:fixed;inset:0;z-index:1000;background:var(--ink);transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);padding:22px;display:flex;flex-direction:column;gap:2px}
#mNav.open{transform:translateX(0)}
.m-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.m-close{background:none;border:none;color:#fff;font-size:32px;line-height:1;cursor:pointer}
#mNav>a{color:#fff;font-size:19px;font-weight:600;padding:15px 8px;border-bottom:1px solid var(--line-d)}
.m-cta{display:flex;flex-direction:column;gap:10px;margin-top:24px}

/* ── 히어로 ── */
.hero{position:relative;background:radial-gradient(120% 120% at 80% 0%,#13492f 0%,#0f3a2a 45%,#0a2017 100%);color:#fff;padding:150px 0 90px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(80% 70% at 50% 30%,#000,transparent)}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.hero h1{font-size:clamp(34px,5.2vw,58px);font-weight:800;line-height:1.12;letter-spacing:-.03em;margin:20px 0 18px}
.hero h1 .li{color:var(--lime)}
.hero h1 b{color:var(--gold);font-weight:800}
.hero .dek{font-size:16.5px;color:rgba(255,255,255,.74);max-width:480px;margin-bottom:30px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{display:flex;gap:30px;flex-wrap:wrap;border-top:1px solid var(--line-d);padding-top:24px}
.hero-stats .st .n{font-family:var(--mono);font-size:30px;font-weight:700;color:#fff;letter-spacing:-.02em}
.hero-stats .st .n i{color:var(--lime);font-style:normal}
.hero-stats .st .l{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:2px}
/* 히어로 비주얼: 프레임 + 궤적 */
.hero-art{position:relative;aspect-ratio:4/4.4;border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:0 30px 70px rgba(0,0,0,.4);background:linear-gradient(160deg,#1a5a39,#0d2c1f)}
.hero-art img{width:100%;height:100%;object-fit:cover}
.hero-art .traj{position:absolute;inset:0;z-index:3;pointer-events:none}
.hero-art .traj path{stroke:var(--lime);stroke-width:2.4;fill:none;stroke-dasharray:6 7;filter:drop-shadow(0 0 6px rgba(182,242,58,.7))}
.hero-art .tag{position:absolute;z-index:4;font-family:var(--mono);font-size:11.5px;font-weight:700;color:#0c241a;background:var(--lime);padding:5px 10px;border-radius:7px;letter-spacing:.02em}
.hero-art .tag.t1{top:16px;left:16px;background:rgba(12,36,26,.82);color:var(--lime);border:1px solid rgba(182,242,58,.4)}
.hero-art .tag.t2{bottom:18px;right:16px}
.hero-art .tag.t3{bottom:18px;left:16px;background:var(--gold);color:#231a06}

/* ── 마키 띠 ── */
.ticker{background:var(--ink);color:#fff;overflow:hidden;border-top:1px solid var(--line-d);border-bottom:3px solid var(--lime)}
.ticker .row{display:flex;gap:40px;white-space:nowrap;padding:13px 0;animation:tick 26s linear infinite;font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.06em;color:rgba(255,255,255,.78)}
.ticker .row span{color:var(--lime)}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ── 섹션 공통 ── */
.sec{padding:90px 0}
.sec.alt{background:var(--paper)}
.sec.dark{background:var(--pine);color:#fff}
.sec.dark.on-dark{}
.sec-head{max-width:680px;margin-bottom:50px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(26px,3.5vw,40px);font-weight:800;letter-spacing:-.025em;line-height:1.2;margin-top:14px}
.sec-head p{color:var(--muted);font-size:15.5px;margin-top:14px}
.sec.dark .sec-head p{color:rgba(255,255,255,.6)}

/* ── 레슨 번호 리스트 ── */
.plist{display:flex;flex-direction:column;gap:14px}
.pitem{display:grid;grid-template-columns:84px 1fr auto;gap:24px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px 30px;transition:transform .2s,box-shadow .2s,border-color .2s}
.pitem:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:var(--green)}
.pitem .no{font-family:var(--mono);font-size:30px;font-weight:700;color:var(--green);line-height:1}
.pitem .ttl{font-size:19px;font-weight:700}
.pitem .ttl small{display:block;font-size:13.5px;font-weight:500;color:var(--muted);margin-top:5px}
.pitem .meta{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.chip{font-family:var(--mono);font-size:11.5px;font-weight:700;color:var(--green-d);background:rgba(31,138,82,.1);padding:5px 11px;border-radius:999px;white-space:nowrap}
.chip.gold{color:var(--gold-d);background:rgba(203,169,79,.16)}

/* ── 카드 그리드(특징/시설) ── */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:transform .22s,box-shadow .22s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card .ic{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;font-size:24px;background:var(--cream);margin-bottom:18px}
.card h3{font-size:18px;font-weight:700;margin-bottom:9px}
.card p{font-size:14.5px;color:var(--muted)}
.sec.dark .card{background:rgba(255,255,255,.04);border-color:var(--line-d);color:#fff}
.sec.dark .card .ic{background:rgba(255,255,255,.07)}
.sec.dark .card p{color:rgba(255,255,255,.62)}

/* ── 데이터 스탯 밴드 ── */
.statband{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.statband .b{text-align:center;padding:18px}
.statband .b .n{font-family:var(--mono);font-size:clamp(34px,4.4vw,50px);font-weight:700;letter-spacing:-.03em;color:var(--lime)}
.statband .b .l{font-size:13.5px;color:rgba(255,255,255,.6);margin-top:6px}

/* ── 스크린골프 / 분할 피처 ── */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.split.rev .media{order:2}
.media{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;border:1px solid var(--line);background:linear-gradient(150deg,#163f2a,#0e2c1e)}
.media img{width:100%;height:100%;object-fit:cover}
.media .pill{position:absolute;left:16px;bottom:16px;font-family:var(--mono);font-size:12px;font-weight:700;color:#0c241a;background:var(--lime);padding:6px 12px;border-radius:999px}
.feat-list{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.feat-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.feat-list .ck{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:rgba(31,138,82,.12);color:var(--green);display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:1px}
.sec.dark .feat-list .ck{background:rgba(182,242,58,.16);color:var(--lime)}

/* ── 프로 강사 ── */
.coaches{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.coach{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .22s,box-shadow .22s}
.coach:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.coach .ph{aspect-ratio:1/1.15;background:linear-gradient(160deg,#1a5a39,#0d2c1f);overflow:hidden}
.coach .ph img{width:100%;height:100%;object-fit:cover}
.coach .in{padding:20px}
.coach .nm{font-size:17px;font-weight:700}
.coach .nm span{font-family:var(--mono);font-size:12px;color:var(--green);font-weight:700;margin-left:6px}
.coach .ro{font-size:13.5px;color:var(--muted);margin:6px 0 12px}
.coach .tags{display:flex;gap:6px;flex-wrap:wrap}

/* ── 갤러리 ── */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gal a{position:relative;border-radius:14px;overflow:hidden;aspect-ratio:1/1;background:linear-gradient(160deg,#1a5a39,#0d2c1f)}
.gal a.wide{grid-column:span 2;aspect-ratio:2/1}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gal a:hover img{transform:scale(1.07)}

/* ── 멤버십 요금 ── */
.bill-toggle{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:40px;flex-wrap:wrap}
.bill-toggle .opt{font-size:14.5px;font-weight:700;color:var(--muted)}
.bill-toggle .opt.on{color:var(--ink)}
.bill-toggle .sw{position:relative;width:58px;height:30px;border-radius:999px;background:var(--green);border:none;cursor:pointer;transition:background .2s}
.bill-toggle .sw i{position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;transition:transform .22s}
.bill-toggle .sw.alt i{transform:translateX(28px)}
.bill-toggle .save{font-family:var(--mono);font-size:12px;font-weight:700;color:var(--gold-d);background:rgba(203,169,79,.16);padding:5px 11px;border-radius:999px}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.plan{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;position:relative;display:flex;flex-direction:column}
.plan.feat{border-color:var(--green);box-shadow:0 20px 50px rgba(31,138,82,.16)}
.plan .pop{position:absolute;top:-12px;left:50%;transform:translateX(-50%);font-size:12px;font-weight:700;color:#fff;background:var(--green);padding:5px 16px;border-radius:999px}
.plan .pn{font-size:18px;font-weight:700}
.plan .pd{font-size:13.5px;color:var(--muted);margin:6px 0 18px;min-height:38px}
.plan .price{font-family:var(--mono);font-size:34px;font-weight:700;letter-spacing:-.03em}
.plan .price small{font-size:14px;color:var(--muted);font-weight:400}
.plan .per{font-size:13px;color:var(--muted);margin:4px 0 20px}
.plan ul{display:flex;flex-direction:column;gap:11px;margin-bottom:24px;flex:1}
.plan li{display:flex;gap:9px;font-size:14.5px}
.plan li .ck{color:var(--green);font-weight:800}
.plan li.off{color:#b3b8b0}
.plan li.off .ck{color:#cfd3cb}
.pbtn{margin-top:auto}

/* ── 서브 히어로(서브페이지 헤드) ── */
.sub-hero{position:relative;background:radial-gradient(130% 130% at 72% 0%,#13492f 0%,#0f3a2a 45%,#0a2017 100%);color:#fff;padding:130px 0 64px;overflow:hidden}
.sub-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(70% 100% at 70% 0,#000,transparent)}
.sub-hero .inner{position:relative;z-index:2}
.crumb{font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;color:var(--lime);margin-bottom:14px}
.sub-hero h1{font-size:clamp(28px,4.4vw,46px);font-weight:800;letter-spacing:-.025em}
.sub-hero h1 b{color:var(--gold)}
.sub-hero p{color:rgba(255,255,255,.7);font-size:15.5px;margin-top:14px;max-width:560px}

/* ── 폼 ── */
.form{display:grid;gap:18px}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.fld{display:flex;flex-direction:column;gap:7px}
.fld label{font-size:13.5px;font-weight:700;color:var(--ink)}
.fld input,.fld select,.fld textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;font-size:14.5px;font-family:inherit;color:var(--text);background:var(--cream);outline:none;transition:border-color .2s,background .2s}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--green);background:#fff}
.form-done{display:none;text-align:center;padding:20px 10px}
.form-done .ok{width:64px;height:64px;border-radius:50%;background:var(--lime);color:#10331f;font-size:32px;font-weight:800;display:grid;place-items:center;margin:0 auto 20px}
.form-done h2{font-size:24px;font-weight:800;margin-bottom:10px}
.form-done p{color:var(--muted)}

/* ── FAQ ── */
.faq{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-s);padding:4px 22px}
.faq summary{list-style:none;cursor:pointer;font-weight:700;font-size:15.5px;padding:18px 0;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--green);font-size:22px;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{padding:0 0 20px;color:var(--muted);font-size:14.5px}

/* ── CTA 밴드 ── */
.cta-band{background:var(--ink);color:#fff;text-align:center;padding:78px 0;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--green),var(--lime),var(--gold))}
.cta-band h2{font-size:clamp(24px,3.4vw,38px);font-weight:800;letter-spacing:-.02em}
.cta-band p{color:rgba(255,255,255,.66);margin:14px auto 28px;max-width:520px}
.cta-band .row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ── 푸터 ── */
.ft{background:#081a12;color:#fff;padding:62px 0 26px}
.ft-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:34px}
.ft-brand p{color:rgba(255,255,255,.5);font-size:13.5px;margin-top:16px;max-width:300px}
.ft-col h4{font-size:13px;font-family:var(--mono);letter-spacing:.06em;color:var(--lime);margin-bottom:16px}
.ft-col li{margin-bottom:10px}
.ft-col a{color:rgba(255,255,255,.66);font-size:14px}
.ft-col a:hover{color:#fff}
.ft-tel{font-family:var(--mono);font-size:22px;font-weight:700;color:#fff;margin-bottom:10px}
.ft-contact p{color:rgba(255,255,255,.5);font-size:13px}
.ft-bot{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:46px;padding-top:22px;border-top:1px solid var(--line-d);font-size:12.5px;color:rgba(255,255,255,.4)}
.ft-bot .mono{font-size:11.5px;letter-spacing:.1em;color:var(--lime)}

/* ── 플로팅 버튼 ── */
.floats{position:fixed;right:18px;bottom:20px;z-index:850;display:flex;flex-direction:column;gap:11px}
.fl{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-size:22px;box-shadow:0 10px 26px rgba(0,0,0,.22);transition:transform .18s}
.fl:hover{transform:translateY(-3px)}
.fl-tel{background:var(--green)}
.fl-kko{background:#fae100}

/* ── 리빌 ── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.on{opacity:1;transform:none}
.no-js .reveal,html:not(.js) .reveal{opacity:1;transform:none}

/* ── 반응형 ── */
@media(max-width:1024px){
  .gnb,.hd-tel{display:none}
  .m-burger{display:flex}
  .hero-grid,.split{grid-template-columns:1fr;gap:36px}
  .split.rev .media{order:0}
  .cards,.coaches{grid-template-columns:repeat(2,1fr)}
  .gal{grid-template-columns:repeat(3,1fr)}
  .statband{grid-template-columns:repeat(2,1fr)}
  .plans{grid-template-columns:1fr;max-width:460px;margin:0 auto}
  .ft-in{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .sec{padding:62px 0}
  .hero{padding:120px 0 64px}
  .cards,.coaches,.gal{grid-template-columns:1fr 1fr}
  .form .two{grid-template-columns:1fr}
  .pitem{grid-template-columns:54px 1fr;gap:14px}
  .pitem .meta{grid-column:1/-1;justify-content:flex-start;margin-top:4px}
  .ft-in{grid-template-columns:1fr 1fr;gap:24px}
  .ft-bot{flex-direction:column;text-align:center}
  .hero-stats{gap:22px}
}
@media(max-width:430px){.cards,.coaches{grid-template-columns:1fr}.gal a.wide{grid-column:span 2}}