:root{
  --cyan:#38B6FF; --cyan-d:#0E8FE0; --cyan-l:#E8F6FF;
  --yellow:#FFDE59; --yellow-d:#F5C400;
  --ink:#000000; --body:#111111; --mut:#3A3A3A;
  --line:#E4E8EC; --bg:#FFFFFF; --bg2:#F6F9FC; --navy:#08111C;
  --r:14px; --max:1160px;
  --sans:'Pretendard','Apple SD Gothic Neo','Noto Sans KR',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--body);background:var(--bg);
  -webkit-font-smoothing:antialiased;line-height:1.65;font-size:16.5px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.22;letter-spacing:-.03em;font-weight:800}
h1{font-size:clamp(2.3rem,5.2vw,4rem)}
h2{font-size:clamp(1.8rem,3.6vw,2.75rem)}
h3{font-size:1.22rem}
p{margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.sec{padding:96px 0}
.sec--tight{padding:64px 0}
.sec--alt{background:var(--bg2)}
.sec--navy{background:var(--navy)}
.sec--navy h1,.sec--navy h2,.sec--navy h3{color:#fff}
.sec--navy p,.sec--navy li{color:rgba(255,255,255,.95)}
.eyebrow{display:inline-block;font-size:.74rem;font-weight:800;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan-d);background:var(--cyan-l);
  padding:7px 13px;border-radius:999px;margin-bottom:18px}
.sec--navy .eyebrow{color:var(--navy);background:var(--yellow)}
.lead{font-size:1.12rem;color:var(--body);max-width:60ch}
.mut{color:var(--mut)}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* header */
.hdr{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:28px;height:70px}
.brand{display:flex;align-items:center;gap:9px;font-weight:900;font-size:1.25rem;
  color:var(--ink);letter-spacing:-.04em}
.brand img{width:32px;height:32px}
.nav{display:flex;gap:26px;margin-left:8px}
.nav a{font-size:.94rem;font-weight:700;color:var(--body)}
.nav a:hover,.nav a.on{color:var(--cyan-d)}
.hdr .sp{flex:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;font-weight:800;font-size:.95rem;
  border:2px solid transparent;cursor:pointer;transition:.18s;white-space:nowrap}
.btn--p{background:var(--cyan);color:#fff}
.btn--p:hover{background:var(--cyan-d)}
.btn--y{background:var(--yellow);color:var(--ink)}
.btn--y:hover{background:var(--yellow-d)}
.btn--o{border-color:var(--ink);color:var(--ink)}
.btn--o:hover{background:var(--ink);color:#fff}
.btn--w{background:#fff;color:var(--ink)}
.btn--sm{padding:10px 18px;font-size:.88rem}
.btn--lg{padding:16px 32px;font-size:1.02rem}
.burger{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer}

/* hero */
.hero{padding:92px 0 88px;background:
  radial-gradient(900px 480px at 88% -12%,rgba(56,182,255,.20),transparent 62%),
  radial-gradient(700px 420px at 4% 108%,rgba(255,222,89,.30),transparent 60%)}
.hero-g{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero h1 em{font-style:normal;color:var(--cyan-d)}
.hero .lead{margin-top:22px}
.cta{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.trust{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.trust div{font-size:.86rem;font-weight:700;color:var(--body)}
.trust b{display:block;font-size:1.6rem;font-weight:900;color:var(--ink);letter-spacing:-.03em}

/* phone mock */
.phone{width:305px;margin:0 auto;border-radius:40px;background:#0B1723;
  padding:11px;box-shadow:0 34px 70px -18px rgba(8,17,28,.45);position:relative}
.phone-s{background:#fff;border-radius:30px;overflow:hidden}
.p-top{background:var(--cyan);color:#fff;padding:15px 16px;display:flex;align-items:center;gap:10px}
.p-av{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.28);
  display:grid;place-items:center;font-weight:900;font-size:.85rem}
.p-top .n{font-weight:800;font-size:.95rem;line-height:1.2}
.p-top .s{font-size:.7rem;opacity:.92}
.p-body{padding:16px 14px;background:#F4F8FB;min-height:330px;display:flex;
  flex-direction:column;gap:9px}
.bub{max-width:78%;padding:10px 14px;border-radius:16px;font-size:.86rem;line-height:1.5}
.bub.i{background:#fff;border:1px solid #E6EDF3;border-bottom-left-radius:5px;align-self:flex-start;color:#111}
.bub.o{background:var(--cyan);color:#fff;border-bottom-right-radius:5px;align-self:flex-end}
.bub.y{background:var(--yellow);color:#111;align-self:flex-end;border-bottom-right-radius:5px;font-weight:700}
.p-lock{align-self:center;font-size:.68rem;font-weight:800;color:#0E8FE0;
  background:#E8F6FF;padding:5px 11px;border-radius:999px;margin-bottom:2px}
.p-bar{background:#fff;border-top:1px solid #E6EDF3;padding:11px 14px;
  font-size:.82rem;color:#7A8794;display:flex;justify-content:space-between}

/* grids + cards */
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;
  transition:.2s}
.card:hover{border-color:var(--cyan);box-shadow:0 14px 34px -18px rgba(8,17,28,.22);transform:translateY(-3px)}
.card h3{margin-bottom:9px}
.card p{font-size:.95rem;color:var(--body)}
.ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  font-size:1.3rem;margin-bottom:16px;background:var(--cyan-l)}
.ico--y{background:#FFF7D6}
.sec--navy .card{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.14)}
.sec--navy .card:hover{border-color:var(--yellow)}

/* comparison table */
.cmp-w{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table.cmp{width:100%;border-collapse:collapse;min-width:720px}
table.cmp th,table.cmp td{padding:15px 16px;text-align:left;border-bottom:1px solid var(--line);
  font-size:.92rem;color:var(--body)}
table.cmp thead th{background:var(--bg2);font-weight:800;color:var(--ink);font-size:.85rem;
  letter-spacing:.01em;white-space:nowrap}
table.cmp thead th.us{background:var(--cyan);color:#fff}
table.cmp td.us{background:#F2FAFF;font-weight:800;color:var(--ink)}
table.cmp td:first-child{font-weight:800;color:var(--ink);white-space:nowrap}
table.cmp tbody tr:last-child td{border-bottom:0}
.yes{color:#0E8FE0;font-weight:900}
.no{color:#C6303B;font-weight:900}

/* pain -> fix */
.fix{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden}
.fix>div{padding:26px 28px}
.fix .pain{background:#FFF5F5;border-right:1px solid var(--line)}
.fix .good{background:#F2FAFF}
.fix h4{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px}
.fix .pain h4{color:#C6303B}
.fix .good h4{color:var(--cyan-d)}
.fix ul{margin:0;padding-left:20px}
.fix li{font-size:.94rem;margin-bottom:9px;color:var(--body)}
.fix li:last-child{margin-bottom:0}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{position:relative;padding-top:8px}
.step:before{counter-increment:s;content:counter(s);display:grid;place-items:center;
  width:42px;height:42px;border-radius:50%;background:var(--yellow);color:var(--ink);
  font-weight:900;margin-bottom:16px}
.step h3{margin-bottom:8px}
.step p{font-size:.95rem}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;position:relative}
.plan.pop{border:2px solid var(--cyan);box-shadow:0 20px 46px -22px rgba(56,182,255,.5)}
.tag{position:absolute;top:-13px;left:30px;background:var(--cyan);color:#fff;
  font-size:.72rem;font-weight:800;padding:6px 13px;border-radius:999px;letter-spacing:.05em}
.price{font-size:2.5rem;font-weight:900;color:var(--ink);letter-spacing:-.04em;margin:14px 0 4px}
.price small{font-size:.9rem;font-weight:700;color:var(--mut)}
.plan ul{list-style:none;padding:0;margin:22px 0 26px}
.plan li{font-size:.93rem;padding:9px 0 9px 27px;position:relative;border-bottom:1px solid #F1F4F7;color:var(--body)}
.plan li:before{content:'✓';position:absolute;left:0;color:var(--cyan-d);font-weight:900}
.plan li.off{color:#98A2AC}
.plan li.off:before{content:'—';color:#C4CCD3}
.plan .btn{width:100%}

/* faq */
.faq{max-width:820px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:12px;padding:0;margin-bottom:12px;background:#fff}
.faq summary{padding:19px 22px;font-weight:800;color:var(--ink);cursor:pointer;
  list-style:none;display:flex;justify-content:space-between;gap:14px;font-size:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:'+';color:var(--cyan-d);font-weight:900;font-size:1.35rem;line-height:1}
.faq details[open] summary:after{content:'–'}
.faq .a{padding:0 22px 21px;font-size:.95rem;color:var(--body)}

/* cta band */
.band{background:var(--cyan);border-radius:20px;padding:56px 44px;text-align:center;
  background-image:radial-gradient(600px 300px at 84% 0%,rgba(255,222,89,.4),transparent 60%)}
.band h2{color:#fff}
.band p{color:rgba(255,255,255,.97);margin:14px auto 0;max-width:52ch}
.band .cta{justify-content:center}

/* footer */
.ftr{background:var(--navy);color:rgba(255,255,255,.82);padding:66px 0 30px;font-size:.9rem}
.ftr .brand{color:#fff}
.ftr-g{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:36px}
.ftr h4{color:#fff;font-size:.8rem;letter-spacing:.13em;text-transform:uppercase;margin-bottom:15px}
.ftr ul{list-style:none;padding:0;margin:0}
.ftr li{margin-bottom:10px}
.ftr a:hover{color:var(--yellow)}
.ftr .bot{border-top:1px solid rgba(255,255,255,.13);margin-top:44px;padding-top:22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;
  color:rgba(255,255,255,.62)}
.ftr .tagline{margin-top:14px;max-width:34ch;color:rgba(255,255,255,.8)}

/* page head */
.phead{padding:72px 0 56px;background:var(--bg2);border-bottom:1px solid var(--line)}
.phead .lead{margin-top:16px}

@media(max-width:940px){
  .hero-g,.g4,.g3,.steps,.plans{grid-template-columns:1fr}
  .g3,.g4{gap:18px}
  .nav{display:none}
  .nav.open{display:flex;position:absolute;top:70px;left:0;right:0;background:#fff;
    flex-direction:column;padding:18px 24px;gap:16px;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .hdr .wrap{position:relative}
  .hero{padding:60px 0 64px}
  .sec{padding:68px 0}
  .g2,.fix{grid-template-columns:1fr}
  .fix .pain{border-right:0;border-bottom:1px solid var(--line)}
  .ftr-g{grid-template-columns:1fr 1fr}
  .band{padding:40px 24px}
  .trust{gap:18px}
}
@media(max-width:520px){.ftr-g{grid-template-columns:1fr}.phone{width:100%;max-width:300px}}

/* footer business info (전자상거래법 제10조 사업자 정보 표시) */
.ftr .biz{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:22px;
  display:flex;flex-direction:column;gap:7px}
.ftr .biz-r{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:.79rem;
  color:rgba(255,255,255,.62);line-height:1.6}
.ftr .biz-r b{color:rgba(255,255,255,.86);font-weight:700}
.ftr .biz-r a{color:rgba(255,255,255,.86);text-decoration:underline}
.ftr .biz-r a:hover{color:var(--yellow)}