:root{--bg:#fff;--ink:#00053d;--mute:#5b6080;--line:#dfe3ec;--soft:#f3f6fb;--acc:#0b5cff}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:"Pretendard Variable",Pretendard,-apple-system,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;font-size:15px;line-height:1.5;letter-spacing:-.01em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
svg{display:block}
svg text{font-family:inherit}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--acc)}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;border-radius:12px;background:var(--acc);color:#fff;font-size:15px;font-weight:600;transition:background .15s}
.btn:hover{background:#0047d6}
.btn.ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.55)}
.btn.ghost:hover{background:rgba(255,255,255,.1)}

/* header */
.top{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:20px;letter-spacing:-.03em;color:var(--ink)}
.logo svg{width:24px;height:24px}
.menu{display:flex;gap:28px;align-items:center}
.menu a{font-size:15px;font-weight:500}
.menu a:hover{color:var(--acc)}
.menu a.btn{height:38px;padding:0 18px;border-radius:10px;font-size:14px;color:#fff}

/* hero */
.hero{--bg:#00053d;--ink:#fff;--line:rgba(255,255,255,.22);--mute:rgba(255,255,255,.7);--acc:#4f8dff;background:radial-gradient(900px 420px at 50% 115%,#0b3fb8 0,rgba(11,63,184,0) 70%),#00053d;color:#fff}
.hero .wrap{text-align:center;padding-top:76px;padding-bottom:36px}
.hero .mono{color:#9dbcff}
h1{font-size:clamp(40px,5.6vw,68px);line-height:1.12;letter-spacing:-.04em;font-weight:600;margin-top:14px}
.tagline{font-size:clamp(16px,1.6vw,20px);font-weight:400;margin-top:16px;color:rgba(255,255,255,.82)}
.cta{display:flex;gap:10px;justify-content:center;margin-top:28px;flex-wrap:wrap}
.graph{width:100%;max-width:560px;margin:36px auto 0}
.graph svg{width:100%;height:auto}

/* svg primitives */
.s{fill:none;stroke:var(--ink);stroke-width:1.2}
.g{fill:none;stroke:var(--line);stroke-width:1}
.f{fill:var(--ink)}
.w{fill:var(--bg)}
.a{fill:var(--acc)}
.t{fill:var(--ink);font-size:8.5px;font-weight:500}
.tw{fill:#fff;font-size:8.5px;font-weight:500}
.tm{fill:var(--mute);font-size:8.5px;font-weight:500}
.viz .f{fill:var(--acc)}

/* sections */
section>.wrap{padding-top:72px;padding-bottom:8px}
.sh{text-align:center;margin-bottom:36px;display:flex;flex-direction:column;align-items:center;gap:8px}
.sh h2{font-size:clamp(28px,3.4vw,40px);font-weight:600;letter-spacing:-.04em;line-height:1.2;order:2}
.sh .mono:first-child{display:none}
.sh .mono:last-child{order:1}

.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid>*{min-width:0}

/* service cards */
.svc{display:flex;flex-direction:column;background:var(--soft);border-radius:24px;padding:16px 16px 22px;transition:transform .2s,box-shadow .2s}
.svc:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(0,5,61,.12)}
.svc-top{order:2;display:flex;margin:16px 6px 0}
.svc-top .mono{display:none}
.state{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--acc);background:#e3ecff;padding:4px 10px;border-radius:99px}
.state i{width:6px;height:6px;border-radius:50%;background:var(--acc)}
.viz{order:1;background:#fff;border-radius:16px;padding:18px 14px}
.viz svg{width:100%;max-width:320px;height:auto;margin:0 auto}
.svc h3{order:3;font-size:24px;font-weight:600;letter-spacing:-.04em;line-height:1.2;margin:10px 6px 0}
.svc h3 span{display:block;font-size:12px;font-weight:500;letter-spacing:.04em;color:var(--mute);margin-top:2px;text-transform:uppercase}
.lab{order:4;font-size:15px;font-weight:500;margin:10px 6px 14px}
.tags{order:5;display:flex;flex-wrap:wrap;gap:6px;margin:0 6px}
.tags li{font-size:12.5px;color:var(--mute);background:#fff;border:1px solid var(--line);padding:4px 10px;border-radius:99px}

/* tech */
.tc{padding:22px;display:flex;gap:14px;align-items:center;border:1px solid var(--line);border-radius:20px}
.tc svg{width:44px;height:44px;flex:none;padding:11px;border-radius:12px;background:#e3ecff;stroke:var(--acc);stroke-width:1.4}
.tc h3{font-size:17px;font-weight:600;letter-spacing:-.03em;line-height:1.3}
.tc p{font-size:13px;color:var(--mute);margin-top:2px}

/* faq + company */
.rows>div{display:grid;gap:4px 24px;padding:14px 0;border-bottom:1px solid var(--line)}
.faq{max-width:920px;margin:0 auto;border-top:1px solid var(--line)}
.faq>div{grid-template-columns:5fr 7fr}
.faq dt{font-weight:600}
.faq dd{color:var(--mute)}
#company{margin-top:72px;background:var(--soft)}
#company>.wrap{padding-bottom:72px}
.co{display:grid;grid-template-columns:7fr 5fr;gap:20px;align-items:stretch}
.co .rows{background:#fff;border-radius:24px;padding:10px 28px}
.co .rows>div{grid-template-columns:120px 1fr}
.co .rows>div:last-child{border-bottom:0}
.co .rows dt{color:var(--mute);font-size:14px}
.co .rows dd{font-weight:500}
.contact{background:var(--ink);color:#fff;border-radius:24px;padding:28px;display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.contact .mono{color:#9dbcff}
.mail{font-size:clamp(18px,2vw,24px);font-weight:600;letter-spacing:-.03em;overflow-wrap:anywhere}
.mail span{color:#4f8dff;margin-left:6px}
.mail:hover{text-decoration:underline}

footer{background:var(--ink)}
footer .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:18px;padding-bottom:22px}
footer .mono{color:rgba(255,255,255,.6);font-weight:500}

.pulse{animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{opacity:.25}}

@media (max-width:980px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:700px){
  .wrap{padding:0 16px}
  .top .wrap{height:56px}
  .menu{gap:16px}.menu a{font-size:14px}
  .hero .wrap{padding-top:52px}
  section>.wrap{padding-top:52px}
  .co{grid-template-columns:1fr}
  .faq>div{grid-template-columns:1fr}
  .co .rows{padding:6px 18px}
  .co .rows>div{grid-template-columns:96px 1fr}
}
@media (max-width:560px){.grid{grid-template-columns:1fr}.menu a:not(.btn):nth-child(-n+2){display:none}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

/* v3 overrides */
.hero{--bg:#f3f6fb;--ink:#00053d;--mute:#5b6080;--acc:#0b5cff;background:linear-gradient(180deg,#eef3ff 0,#fff 100%);color:var(--ink)}
.hero .wrap{padding-top:56px;padding-bottom:8px}
.hero .mono{color:var(--acc)}
h1{font-size:clamp(32px,4vw,48px);margin-top:10px}
.tagline{color:var(--mute);margin-top:10px;font-size:clamp(15px,1.4vw,18px)}
.cta{margin-top:22px}
.btn.ghost{color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line);background:#fff}
.btn.ghost:hover{background:var(--soft)}
#services>.wrap{padding-top:48px}
#company{margin-top:72px;background:none}
#company>.wrap{padding-top:0;padding-bottom:56px}
.band{background:var(--ink);color:#fff;border-radius:24px;padding:28px 32px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.band .mono{color:#9dbcff}
.band h2{font-size:26px;font-weight:600;letter-spacing:-.04em}
footer{background:#fff;border-top:1px solid var(--line)}
footer .wrap{display:flex;justify-content:space-between;align-items:flex-start;gap:16px 32px;flex-wrap:wrap;padding-top:22px;padding-bottom:28px}
footer .logo{font-size:16px}
footer address{font-style:normal;font-size:12.5px;line-height:1.7;color:var(--mute);flex:1;min-width:260px}
footer .copy{font-size:12.5px;color:var(--mute)}


/* v5: quieter contact band */
.band{background:var(--soft);color:var(--ink);padding:24px 32px}
.band .mono{color:var(--acc)}
.band h2{font-size:22px}
.mail{font-size:clamp(17px,1.7vw,20px)}
.mail span{color:var(--acc)}

/* service cards as links */
.svc{position:relative}
.svc h3 a::after{content:"";position:absolute;inset:0;border-radius:24px}
.more{order:6;margin:16px 6px 0;font-size:13.5px;font-weight:600;color:var(--acc)}

/* service detail pages */
.crumb{font-size:13px;color:var(--mute);padding-top:28px}
.crumb a:hover{color:var(--acc)}
.phero{display:grid;grid-template-columns:5fr 6fr;gap:40px;align-items:center;padding-top:28px;padding-bottom:8px}
.phero h1{font-size:clamp(34px,4.2vw,52px);margin-top:14px}
.phero h1 span{display:block;font-size:13px;font-weight:500;letter-spacing:.06em;color:var(--mute);text-transform:uppercase;margin-top:8px}
.phero .tagline{font-size:clamp(17px,1.7vw,21px);color:var(--ink);font-weight:500;margin-top:16px}
.phero .cta{justify-content:flex-start}
.phero .viz{order:0;background:var(--soft);border-radius:24px;padding:36px 28px}
.phero .viz svg{max-width:460px}
.phero .viz .w{fill:#fff}
.sub>.wrap{padding-top:64px}
.sub .sh{align-items:flex-start;text-align:left;margin-bottom:24px}
.sub .sh h2{font-size:clamp(24px,2.6vw,30px)}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat li{border:1px solid var(--line);border-radius:20px;padding:20px 22px}
.feat b{display:block;font-size:17px;font-weight:600;letter-spacing:-.03em}
.feat span{display:block;font-size:13.5px;color:var(--mute);margin-top:4px}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:f}
.flow li{counter-increment:f;background:var(--soft);border-radius:20px;padding:20px 22px;font-size:16px;font-weight:600;letter-spacing:-.03em}
.flow li::before{content:counter(f);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--acc);color:#fff;font-size:13px;margin-bottom:14px}
.flow li span{display:block;font-size:13.5px;font-weight:400;color:var(--mute);margin-top:4px;letter-spacing:-.01em}
.sub .faq{max-width:none}
.others{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.others a{display:block;background:var(--soft);border-radius:20px;padding:20px 22px;font-size:18px;font-weight:600;letter-spacing:-.03em}
.others a span{display:block;font-size:13.5px;font-weight:400;color:var(--mute);margin-top:4px;letter-spacing:-.01em}
.others a:hover{box-shadow:0 10px 26px rgba(0,5,61,.1)}
@media (max-width:860px){.phero{grid-template-columns:1fr;gap:24px}.feat,.others{grid-template-columns:1fr}.flow{grid-template-columns:repeat(2,1fr)}}