:root{
  --bg:#0a0f1a;
  --bg-2:#0d1526;
  --panel:#111c30;
  --panel-2:#16233b;
  --line:#22324e;
  --text:#e7edf7;
  --muted:#9fb0c9;
  --faint:#6a7c99;
  --accent:#38e1c2;
  --accent-2:#5b9dff;
  --accent-ink:#06261f;
  --yes:#38e1c2;
  --part:#f0b429;
  --no:#5a6b86;
  --radius:16px;
  --wrap:1120px;
  --font:"Pretendard","Pretendard Variable",-apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);background:var(--bg);color:var(--text);
  line-height:1.65;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(1200px 600px at 80% -10%,rgba(56,225,194,.10),transparent 60%),radial-gradient(900px 500px at -10% 10%,rgba(91,157,255,.10),transparent 55%);
}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,15,26,.72);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:24px;height:66px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800}
.brand-mark{width:28px;height:28px;color:var(--accent);flex:none}
.brand-name{font-size:19px;letter-spacing:-.3px;display:flex;align-items:baseline;gap:7px}
.brand-sub{font-size:11px;font-weight:600;color:var(--faint);letter-spacing:1px}
.nav-links{display:flex;gap:28px;margin-left:auto;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.nav-cta{margin-left:4px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:.2s}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-weight:600;font-size:15px;padding:13px 22px;border-radius:12px;cursor:pointer;border:1px solid transparent;transition:transform .12s ease,background .2s,border-color .2s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(180deg,var(--accent),#22c7a8);color:var(--accent-ink);box-shadow:0 8px 24px rgba(56,225,194,.22)}
.btn-primary:hover{filter:brightness(1.05)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}

/* HERO */
.hero{padding:72px 0 40px}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.5px;color:var(--accent);background:rgba(56,225,194,.09);border:1px solid rgba(56,225,194,.22);padding:6px 12px;border-radius:999px;margin-bottom:20px}
.hero h1{font-size:clamp(34px,5vw,54px);line-height:1.12;letter-spacing:-1.2px;font-weight:800}
.hero h1 .hl{color:var(--accent)}
.lede{margin-top:20px;font-size:18px;color:var(--muted);max-width:33em}
.hero-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;font-size:14px;color:var(--muted)}
.hero-points li{position:relative;padding-left:22px}
.hero-points li::before{content:"";position:absolute;left:0;top:7px;width:12px;height:12px;border-radius:50%;background:radial-gradient(circle at 50% 40%,var(--accent),transparent 70%);box-shadow:0 0 0 3px rgba(56,225,194,.14)}

/* HERO VISUAL */
.hero-visual{display:flex;justify-content:center}
.viewer-card{width:100%;max-width:400px;background:linear-gradient(180deg,var(--panel),var(--bg-2));border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.5);transform:perspective(1200px) rotateY(-7deg) rotateX(2deg)}
.viewer-top{display:flex;align-items:center;gap:7px;padding:14px 16px;background:var(--panel-2);border-bottom:1px solid var(--line)}
.viewer-top .dot{width:10px;height:10px;border-radius:50%;background:#2c3c5a}
.viewer-title{margin-left:10px;font-size:12px;color:var(--muted)}
.viewer-body{position:relative;padding:28px 24px 56px;min-height:260px}
.vline{height:11px;border-radius:6px;background:linear-gradient(90deg,#20304d,#182540);margin-bottom:14px}
.w90{width:90%}.w80{width:80%}.w85{width:85%}.w70{width:70%}.w60{width:60%}.w50{width:50%}
.watermark{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:rgba(56,225,194,.16);font-weight:700;font-size:15px;transform:rotate(-22deg);pointer-events:none;letter-spacing:1px}
.lock-badge{position:absolute;left:20px;bottom:18px;display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--accent);background:rgba(56,225,194,.08);border:1px solid rgba(56,225,194,.25);padding:7px 12px;border-radius:10px}
.lock-badge svg{width:16px;height:16px}

/* STRIP */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.strip-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:30px 24px}
.stat{text-align:center}
.stat strong{display:block;font-size:26px;color:var(--accent);font-weight:800;letter-spacing:-.5px}
.stat span{font-size:13.5px;color:var(--muted)}

/* SECTIONS */
.section{padding:84px 0}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{text-align:center;max-width:680px;margin:0 auto 48px}
.section-head h2{font-size:clamp(26px,3.4vw,38px);letter-spacing:-.8px;font-weight:800;margin-top:6px}
.section-head p{margin-top:14px;color:var(--muted);font-size:17px}

/* GRID CARDS */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .15s,border-color .2s}
.card:hover{transform:translateY(-3px);border-color:rgba(56,225,194,.4)}
.card .ic{font-size:26px;width:52px;height:52px;display:flex;align-items:center;justify-content:center;background:var(--panel-2);border:1px solid var(--line);border-radius:12px;margin-bottom:16px}
.card h3{font-size:18px;font-weight:700;letter-spacing:-.3px}
.card p{margin-top:9px;color:var(--muted);font-size:15px}

/* STEPS */
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.steps li{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px 26px}
.step-no{position:absolute;top:-16px;left:26px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--accent-ink);background:linear-gradient(180deg,var(--accent),#22c7a8);border-radius:12px;font-size:17px;box-shadow:0 8px 20px rgba(56,225,194,.25)}
.steps h3{margin-top:14px;font-size:19px;font-weight:700}
.steps p{margin-top:9px;color:var(--muted);font-size:15px}

/* BENCHMARK */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.bench{width:100%;border-collapse:collapse;min-width:640px}
.bench th,.bench td{padding:15px 16px;text-align:center;border-bottom:1px solid var(--line);font-size:15px}
.bench thead th{font-weight:700;color:var(--muted);background:var(--panel-2);font-size:14px}
.bench .rowhead{text-align:left;color:var(--text);font-weight:600;white-space:nowrap}
.bench tbody tr:last-child td{border-bottom:0}
.bench .yes{color:var(--yes);font-weight:700}
.bench .part{color:var(--part);font-weight:700}
.bench .no{color:var(--no)}
.bench .col-us{background:rgba(56,225,194,.06)}
.bench thead .col-us{color:var(--accent);background:rgba(56,225,194,.12);border-bottom:2px solid var(--accent)}
.bench-legend{display:flex;gap:20px;justify-content:center;margin-top:16px;color:var(--faint);font-size:13.5px}

/* PRICING */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px}
.plan-pop{border-color:rgba(56,225,194,.5);box-shadow:0 20px 50px rgba(56,225,194,.12);transform:translateY(-8px)}
.plan-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(180deg,var(--accent),#22c7a8);color:var(--accent-ink);font-size:12.5px;font-weight:700;padding:5px 14px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:22px;font-weight:800;letter-spacing:-.3px}
.plan-for{color:var(--faint);font-size:14px;margin-top:2px}
.price{display:flex;align-items:baseline;gap:3px;margin:20px 0;color:var(--text)}
.price .cur{font-size:20px;font-weight:700}
.price .amt{font-size:40px;font-weight:800;letter-spacing:-1px}
.price .amt-sm{font-size:28px}
.price .per{font-size:15px;color:var(--muted);margin-left:3px}
.plan-feat{list-style:none;margin:0 0 24px;display:grid;gap:11px}
.plan-feat li{position:relative;padding-left:26px;color:var(--muted);font-size:15px}
.plan-feat li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-weight:800}
.price-note{text-align:center;color:var(--faint);font-size:13.5px;margin-top:26px}

/* CONTACT */
.contact-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-copy h2{font-size:clamp(26px,3vw,34px);letter-spacing:-.6px;font-weight:800;margin-top:6px}
.contact-copy p{color:var(--muted);margin-top:14px;font-size:16px}
.contact-info{list-style:none;margin-top:26px;display:grid;gap:12px}
.contact-info li{color:var(--muted);font-size:15px}
.contact-info strong{display:inline-block;min-width:60px;color:var(--text)}
.contact-info a{color:var(--accent)}
.contact-form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field-full{grid-column:1 / -1}
.contact-form button{grid-column:1 / -1}
.field label{font-size:13.5px;color:var(--muted);font-weight:600}
.field input,.field select,.field textarea{font-family:inherit;font-size:15px;color:var(--text);background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:12px 14px;transition:border-color .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{resize:vertical}
.form-msg{grid-column:1 / -1;font-size:14px;text-align:center;min-height:18px}
.form-msg.ok{color:var(--accent)}
.form-msg.err{color:#ff8a8a}

/* FOOTER */
.footer{border-top:1px solid var(--line);background:var(--bg-2);padding:40px 0 28px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding-bottom:24px;border-bottom:1px solid var(--line)}
.footer-brand .brand-name{font-size:18px;font-weight:800}
.footer-brand p{color:var(--faint);font-size:14px;margin-top:6px}
.footer-links{display:flex;gap:24px;color:var(--muted);font-size:15px}
.footer-links a:hover{color:var(--text)}
.footer-copy{padding-top:20px;color:var(--faint);font-size:13px}

/* RESPONSIVE */
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1}
  .viewer-card{transform:none;max-width:360px}
  .grid3,.steps,.plans{grid-template-columns:1fr}
  .plan-pop{transform:none}
  .strip-inner{grid-template-columns:repeat(2,1fr);gap:24px}
  .contact-wrap{grid-template-columns:1fr;gap:32px}
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav.open .nav-links{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg-2);border-bottom:1px solid var(--line);padding:8px 0}
  .nav.open .nav-links a{padding:14px 24px;border-top:1px solid var(--line)}
}
@media(max-width:540px){
  .contact-form{grid-template-columns:1fr}
  .section{padding:60px 0}
  .hero{padding:48px 0 20px}
}

/* 구독 시작 창 */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}
.modal[hidden]{display:none}
.modal-back{position:absolute;inset:0;background:rgba(4,8,14,.72);backdrop-filter:blur(4px)}
.modal-box{position:relative;width:100%;max-width:420px;max-height:calc(100vh - 40px);overflow:auto;background:var(--bg-2);border:1px solid var(--line);border-radius:18px;padding:28px 24px 20px;display:flex;flex-direction:column;gap:14px;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.modal-box h3{margin:0;font-size:21px}
.modal-sub{margin:-8px 0 2px;color:var(--accent);font-weight:600}
.modal-note{margin:0;font-size:13px;color:var(--muted);line-height:1.6}
.modal-x{position:absolute;top:10px;right:12px;background:none;border:0;color:var(--muted);font-size:26px;line-height:1;cursor:pointer;padding:4px 8px}
.modal-x:hover{color:var(--text)}
.modal-box .field input{background:var(--bg)}
body.modal-open{overflow:hidden}
.price-note.paid{color:var(--accent);font-weight:600}
.vline.center{margin-left:auto;margin-right:auto}
.mini-table{display:grid;grid-template-columns:1fr 2fr 1fr 2fr;gap:0;border:1.5px solid #2a3d60;border-radius:4px;margin:4px 0 16px;overflow:hidden}
.mini-table span{height:22px;border-right:1px solid #2a3d60;border-bottom:1px solid #2a3d60;background:rgba(56,225,194,.04)}
.mini-table span:nth-child(4n){border-right:0}
.mini-table span:nth-last-child(-n+4){border-bottom:0}
.mini-table span.wide{background:linear-gradient(90deg,#20304d 0 70%,transparent 70%) center/80% 8px no-repeat}
.bench-sub{margin-top:64px}
.req-note{margin-top:28px;text-align:center;color:var(--faint);font-size:14px}