/* ═══════════════════════════════════════════
   루프 LOOP — AI SaaS (데모)
   딥네이비 + 시안→퍼플 글로우 · 벤토 그리드 · 글래스
   ═══════════════════════════════════════════ */
:root{
  --cy:#4dd8ff; --vi:#8b6cff; --glow:linear-gradient(90deg,#4dd8ff,#8b6cff);
  --bg:#0a0d16; --bg2:#0f1322; --panel:rgba(255,255,255,.04); --line:rgba(255,255,255,.09);
  --ink:#eef1f8; --muted:#8e96ab; --soft:#565e73;
  --r:18px; --hd-h:66px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.68;letter-spacing:-.01em;-webkit-font-smoothing:antialiased;padding-top:var(--hd-h)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
::selection{background:rgba(77,216,255,.28)}

.logo{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:21px}
.logo .mk{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--glow);color:#0a0d16;font-size:19px;font-weight:800}
.logo .en{font-size:11px;font-weight:700;letter-spacing:.3em;color:var(--muted)}

/* 헤더 */
.hd{position:fixed;top:0;left:0;right:0;height:var(--hd-h);background:rgba(10,13,22,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);z-index:1000}
.hd-in{display:flex;align-items:center;gap:30px;height:100%}
.gnb{display:flex;gap:2px;margin-left:auto}
.gnb a{font-size:14px;font-weight:600;color:var(--muted);padding:8px 12px;border-radius:9px;transition:color .15s}
.gnb a:hover{color:var(--ink)}
.gnb a.on{color:var(--cy)}
.hd-r{display:flex;align-items:center;gap:12px}
.hd-login{font-size:14px;font-weight:600;color:var(--muted)}
.hd-login:hover{color:var(--ink)}
.btn-glow{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--glow);color:#0a0d16;font-weight:800;border-radius:11px;transition:all .18s;box-shadow:0 0 24px rgba(77,216,255,.35)}
.btn-glow:hover{transform:translateY(-1px);box-shadow:0 0 34px rgba(139,108,255,.5)}
.btn-glow.sm{font-size:13.5px;padding:10px 18px}
.btn-glow.lg{font-size:15.5px;padding:15px 34px;border-radius:13px}
.btn-glow.block{display:flex;width:100%;padding:15px}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);color:var(--ink);border-radius:11px;font-weight:700;background:var(--panel);transition:all .15s}
.btn-ghost:hover{border-color:rgba(77,216,255,.5)}
.btn-ghost.lg{font-size:15px;padding:14px 30px;border-radius:13px}
.m-burger{display:none;flex-direction:column;gap:5px;padding:8px}
.m-burger span{width:22px;height:2px;background:var(--ink);border-radius:2px}
#mNav{position:fixed;inset:0;background:var(--bg);z-index:2000;padding:18px 22px;display:none;flex-direction:column;gap:4px;overflow-y:auto}
#mNav.open{display:flex}
#mNav .m-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
#mNav .m-close{font-size:30px;line-height:1;padding:4px 10px}
#mNav > a{font-size:18px;font-weight:700;padding:14px 6px;border-bottom:1px solid var(--line)}
#mNav .m-cta{margin-top:auto;padding-top:20px}

/* ── 히어로 + 대시보드 목업 ── */
.hero{position:relative;padding:clamp(56px,9vw,100px) 0 0;overflow:hidden;text-align:center}
.hero::before{content:"";position:absolute;left:50%;top:-260px;transform:translateX(-50%);width:900px;height:560px;background:radial-gradient(ellipse,rgba(77,216,255,.16),rgba(139,108,255,.1) 45%,transparent 70%);pointer-events:none}
.hero .eb{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--cy);border:1px solid rgba(77,216,255,.35);background:rgba(77,216,255,.08);border-radius:999px;padding:7px 16px}
.hero .eb .dot{width:7px;height:7px;border-radius:50%;background:var(--cy);animation:pulse 1.8s infinite}
@keyframes pulse{50%{opacity:.35}}
.hero h1{font-size:clamp(30px,5.2vw,58px);font-weight:800;letter-spacing:-.035em;line-height:1.2;margin-top:22px}
.hero h1 .grad{background:var(--glow);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p{color:var(--muted);margin:16px auto 0;font-size:clamp(15px,1.8vw,17.5px);max-width:560px}
.hero .row{display:flex;justify-content:center;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero .note{margin-top:14px;font-size:12.5px;color:var(--soft)}
/* CSS 대시보드 목업 */
.mock{max-width:880px;margin:clamp(40px,6vw,64px) auto 0;background:var(--bg2);border:1px solid var(--line);border-radius:20px 20px 0 0;box-shadow:0 -10px 80px rgba(77,216,255,.1),0 30px 90px rgba(0,0,0,.5);overflow:hidden;text-align:left;position:relative}
.mock::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,var(--bg));pointer-events:none}
.mock .bar{display:flex;align-items:center;gap:7px;padding:13px 18px;border-bottom:1px solid var(--line)}
.mock .bar i{width:11px;height:11px;border-radius:50%;background:var(--line)}
.mock .bar i:nth-child(1){background:#ff5f57}
.mock .bar i:nth-child(2){background:#ffbd2e}
.mock .bar i:nth-child(3){background:#28c840}
.mock .bar span{margin-left:10px;font-size:12px;color:var(--soft)}
.mock-body{display:grid;grid-template-columns:200px 1fr;min-height:330px}
.mock-side{border-right:1px solid var(--line);padding:16px 12px;display:flex;flex-direction:column;gap:5px}
.mock-side .it{font-size:12.5px;color:var(--muted);padding:8px 12px;border-radius:8px}
.mock-side .it.on{background:rgba(77,216,255,.1);color:var(--cy);font-weight:700}
.mock-main{padding:18px 20px;display:flex;flex-direction:column;gap:12px}
.mock-main .row2{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.mock-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px}
.mock-card small{font-size:10.5px;color:var(--soft);letter-spacing:.06em}
.mock-card b{display:block;font-size:20px;font-weight:800;margin-top:4px}
.mock-card b em{font-style:normal;font-size:11px;color:#3fdd8f;margin-left:6px}
.mock-flow{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.mock-flow .nd{font-size:12px;font-weight:700;border:1px solid rgba(77,216,255,.4);background:rgba(77,216,255,.08);color:var(--cy);border-radius:9px;padding:8px 13px}
.mock-flow .ar{color:var(--soft)}
.mock-flow .nd.vi{border-color:rgba(139,108,255,.45);background:rgba(139,108,255,.1);color:#b3a0ff}
.mock-log{display:grid;gap:7px}
.mock-log .ln{display:flex;gap:10px;align-items:center;font-size:12px;color:var(--muted)}
.mock-log .ln i{width:7px;height:7px;border-radius:50%;background:#3fdd8f;flex-shrink:0}
.mock-log .ln.run i{background:var(--cy);animation:pulse 1.4s infinite}

/* 로고 스트립 */
.logos{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2);padding:22px 0;margin-top:-1px}
.logos .in{display:flex;justify-content:center;gap:clamp(20px,4vw,54px);flex-wrap:wrap;align-items:center}
.logos span{font-size:14.5px;font-weight:800;color:var(--soft);letter-spacing:.08em}

/* ── 섹션/벤토 ── */
.sec{padding:clamp(60px,8.5vw,104px) 0 0}
.sec-head{text-align:center;margin-bottom:clamp(28px,4vw,48px)}
.sec-head .eb{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.22em;color:var(--cy);text-transform:uppercase}
.sec-head h2{font-size:clamp(24px,3.4vw,38px);font-weight:800;letter-spacing:-.025em;margin-top:12px;line-height:1.3}
.sec-head h2 .grad{background:var(--glow);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sec-head p{color:var(--muted);margin-top:10px;font-size:15px}
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.bento .bx{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;transition:all .2s;position:relative;overflow:hidden}
.bento .bx:hover{border-color:rgba(77,216,255,.4);transform:translateY(-3px)}
.bento .bx.big{grid-column:span 2}
.bento .bx::after{content:"";position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,rgba(77,216,255,.12),transparent 70%)}
.bento .ic{width:46px;height:46px;border-radius:13px;background:var(--panel);border:1px solid var(--line);display:grid;place-items:center;font-size:21px;margin-bottom:14px}
.bento h3{font-size:16.5px;font-weight:800;margin-bottom:7px}
.bento p{font-size:13.5px;color:var(--muted)}

/* 활용 사례 */
.uc-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.uc{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:all .2s}
.uc:hover{border-color:rgba(139,108,255,.45);transform:translateY(-3px)}
.uc .role{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:#b3a0ff;background:rgba(139,108,255,.1);border:1px solid rgba(139,108,255,.3);border-radius:999px;padding:5px 13px}
.uc h3{font-size:18px;font-weight:800;margin:13px 0 8px}
.uc p{font-size:13.5px;color:var(--muted)}
.uc .metric{display:inline-block;margin-top:14px;font-size:13px;font-weight:800;background:var(--glow);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* 스탯 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;text-align:center}
.stats .st{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:28px 12px}
.stats .st b{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;background:var(--glow);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stats .st span{font-size:12.5px;color:var(--muted)}

/* 요금 */
.toggle{display:inline-flex;background:var(--bg2);border:1px solid var(--line);border-radius:999px;padding:4px;margin:0 auto}
.toggle button{font-size:13.5px;font-weight:700;padding:9px 22px;border-radius:999px;color:var(--muted);transition:all .18s}
.toggle button.on{background:var(--glow);color:#0a0d16}
.toggle .save{font-size:11px;font-weight:800;color:#3fdd8f;margin-left:5px}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.plan{background:var(--bg2);border:1.5px solid var(--line);border-radius:22px;padding:30px 26px;position:relative}
.plan.hot{border-color:rgba(77,216,255,.55);box-shadow:0 0 50px rgba(77,216,255,.12)}
.plan .tag{position:absolute;top:-13px;left:24px;background:var(--glow);color:#0a0d16;font-size:11px;font-weight:800;border-radius:999px;padding:5px 14px}
.plan h3{font-size:17px;font-weight:800}
.plan .pr{margin:13px 0 2px;font-size:30px;font-weight:800;letter-spacing:-.02em}
.plan .pr small{font-size:13px;color:var(--muted);font-weight:500}
.plan .per{font-size:12.5px;color:var(--muted)}
.plan p.desc{font-size:13px;color:var(--muted);margin-top:8px}
.plan ul{list-style:none;margin:18px 0 22px;display:grid;gap:9px}
.plan li{font-size:13.5px;display:flex;gap:9px;color:#c3c9d8}
.plan li::before{content:"✓";color:var(--cy);font-weight:800}

/* 보안 */
.sec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.scard{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px}
.scard .ic{width:46px;height:46px;border-radius:13px;background:var(--panel);border:1px solid var(--line);display:grid;place-items:center;font-size:21px;margin-bottom:13px}
.scard h3{font-size:16px;font-weight:800;margin-bottom:6px}
.scard p{font-size:13.5px;color:var(--muted)}

/* 고객 스토리 */
.cs{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:28px 28px}
.cs + .cs{margin-top:14px}
.cs .stat{display:inline-block;font-size:12.5px;font-weight:800;background:var(--glow);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.cs blockquote{font-size:clamp(15.5px,1.8vw,18px);font-weight:600;line-height:1.7;margin:12px 0 12px}
.cs .who{font-size:13px;color:var(--muted)}
.cs .who b{color:var(--ink)}

/* 문서 (docs) */
.doc{display:grid;grid-template-columns:220px minmax(0,1fr);gap:30px;align-items:start}
.doc-nav{position:sticky;top:calc(var(--hd-h) + 20px);display:grid;gap:3px}
.doc-nav a{font-size:13.5px;color:var(--muted);padding:7px 12px;border-radius:8px;border-left:2px solid transparent}
.doc-nav a:hover{color:var(--ink)}
.doc-nav a.on{color:var(--cy);border-left-color:var(--cy);background:rgba(77,216,255,.06);border-radius:0 8px 8px 0}
.doc-body h2{font-size:20px;font-weight:800;margin:30px 0 12px;padding-top:10px}
.doc-body h2:first-child{margin-top:0}
.doc-body p{font-size:14.5px;color:#c3c9d8;margin-bottom:12px}
.code{background:#070a12;border:1px solid var(--line);border-radius:14px;padding:18px 20px;font-family:ui-monospace,Consolas,monospace;font-size:13px;line-height:1.75;color:#c3c9d8;overflow-x:auto;margin:14px 0}
.code .c1{color:#6b7692}
.code .c2{color:var(--cy)}
.code .c3{color:#3fdd8f}
.code .c4{color:#b3a0ff}

/* FAQ */
.faq{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--bg2)}
.faq-it + .faq-it{border-top:1px solid var(--line)}
.faq-q{width:100%;text-align:left;display:flex;gap:12px;align-items:center;padding:17px 20px;font-size:14.5px;font-weight:700}
.faq-q .q{color:var(--cy);font-weight:800}
.faq-q .ar{margin-left:auto;color:var(--soft);transition:transform .2s}
.faq-it.open .faq-q .ar{transform:rotate(180deg)}
.faq-a{display:none;padding:0 20px 17px 46px;font-size:13.5px;color:var(--muted)}
.faq-it.open .faq-a{display:block}

/* CTA */
.cta-band{margin-top:clamp(60px,8.5vw,104px);position:relative;text-align:center;padding:clamp(48px,7vw,88px) 24px;overflow:hidden;border-top:1px solid var(--line)}
.cta-band::before{content:"";position:absolute;left:50%;bottom:-300px;transform:translateX(-50%);width:900px;height:520px;background:radial-gradient(ellipse,rgba(139,108,255,.2),rgba(77,216,255,.1) 45%,transparent 70%)}
.cta-band h2{font-size:clamp(24px,3.6vw,40px);font-weight:800;letter-spacing:-.025em;position:relative}
.cta-band h2 .grad{background:var(--glow);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.cta-band p{color:var(--muted);margin-top:12px;position:relative}
.cta-band .row{display:flex;justify-content:center;gap:12px;margin-top:28px;flex-wrap:wrap;position:relative}

/* 서브 공통 */
.ph-head{padding:clamp(44px,6vw,72px) 0 8px;text-align:center}
.ph-head .eb{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.22em;color:var(--cy);text-transform:uppercase}
.ph-head h1{font-size:clamp(26px,4vw,44px);font-weight:800;letter-spacing:-.03em;margin-top:12px}
.ph-head h1 .grad{background:var(--glow);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.ph-head p{color:var(--muted);margin-top:10px;max-width:620px;margin-left:auto;margin-right:auto}
/* 폼 */
.form{display:grid;gap:16px}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fld label{display:block;font-size:12.5px;font-weight:700;margin-bottom:7px;color:var(--muted)}
.fld input,.fld select,.fld textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 15px;font-size:14.5px;outline:0;background:var(--panel);color:var(--ink);transition:all .15s}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:rgba(77,216,255,.55)}
.fld input::placeholder,.fld textarea::placeholder{color:var(--soft)}
.fld select option{background:var(--bg2)}
.fld textarea{resize:vertical}
.chk{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.inq-card{background:var(--bg2);border:1px solid var(--line);border-radius:22px;padding:clamp(26px,4vw,38px);max-width:700px;margin:24px auto 0}
.form-done{display:none;text-align:center;padding:32px 10px}
.form-done .ok{width:62px;height:62px;border-radius:50%;background:var(--glow);color:#0a0d16;font-size:28px;display:grid;place-items:center;margin:0 auto 16px}
.form-done h2{font-size:21px;font-weight:800}
.form-done p{color:var(--muted);margin-top:8px}

/* 푸터 */
.ft{border-top:1px solid var(--line);background:var(--bg2);margin-top:clamp(56px,8vw,90px)}
.ft-in{display:grid;grid-template-columns:1.3fr .7fr .7fr 1fr;gap:26px;padding:46px 22px 30px}
.ft-brand p{color:var(--muted);font-size:13px;margin-top:14px}
.ft-col h4{font-size:11px;letter-spacing:.26em;margin-bottom:13px;color:var(--cy);font-weight:700}
.ft-col ul{list-style:none;display:grid;gap:8px}
.ft-col a{font-size:13.5px;color:var(--muted)}
.ft-col a:hover{color:var(--ink)}
.ft-tel{font-size:22px;font-weight:800;margin-bottom:8px}
.ft-contact p{font-size:13px;color:var(--muted)}
.ft-bot{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:18px;padding-bottom:26px;font-size:12.5px;color:var(--soft)}
.mono{font-family:ui-monospace,monospace;letter-spacing:.14em}

html.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .65s cubic-bezier(.2,.7,.2,1),transform .65s cubic-bezier(.2,.7,.2,1)}
html.js .reveal.on{opacity:1;transform:none}

@media (max-width:980px){
  .gnb,.hd-login{display:none}
  .m-burger{display:flex}
  .bento{grid-template-columns:1fr 1fr}
  .bento .bx.big{grid-column:span 2}
  .uc-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .plans{grid-template-columns:1fr}
  .sec-grid{grid-template-columns:1fr}
  .mock-body{grid-template-columns:1fr}
  .mock-side{display:none}
  .doc{grid-template-columns:1fr}
  .doc-nav{position:static;display:flex;flex-wrap:wrap;gap:6px}
  .ft-in{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .bento{grid-template-columns:1fr}
  .bento .bx.big{grid-column:span 1}
  .form .two{grid-template-columns:1fr}
  .mock-main .row2{grid-template-columns:1fr}
}