:root{
  --navy:#123f6e; --navy-deep:#0b2a4a; --sky:#2a9fdc; --sky-soft:#e8f4fb;
  --gray:#8a96a3; --ink:#1b2733; --muted:#566573; --line:#dfe6ec; --bg:#f6f9fb; --white:#fff;
  --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Inter","Noto Sans KR",system-ui,sans-serif;color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:"Plus Jakarta Sans","Noto Sans KR",sans-serif;line-height:1.2;margin:0;color:var(--navy-deep)}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.sr{position:absolute;left:-9999px}

/* top bar */
.topbar{background:var(--navy-deep);color:#cfe3f2;font-size:13.5px;padding:8px 0}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;justify-content:center}
.topbar a{text-decoration:none;color:#fff;font-weight:600}
.topbar a span{color:#8fb9d8;font-weight:500;margin-right:4px}

/* header */
header.site{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:12px}
.brand img{height:50px;width:auto}
nav.main{display:flex;gap:26px;font-size:15px;font-weight:600}
nav.main a{text-decoration:none;color:var(--muted)}
nav.main a:hover{color:var(--navy)}
.lang{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:13px;font-weight:700}
.lang a{padding:7px 11px;text-decoration:none;color:var(--muted)}
.lang a.on{background:var(--navy);color:#fff}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:12px;font-weight:700;font-size:16px;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit}
.btn svg{width:20px;height:20px}
.btn-primary{background:var(--sky);color:#fff}
.btn-primary:hover{background:#1f8bc4}
.btn-ghost{border-color:var(--navy);color:var(--navy);background:#fff}
.btn-ghost:hover{background:var(--sky-soft)}

/* hero */
.hero{background:linear-gradient(180deg,#fff 0%,var(--sky-soft) 100%);padding:64px 0 72px}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--sky);margin-bottom:14px}
.hero h1{font-size:clamp(34px,5vw,54px);font-weight:800}
.hero .sub{font-size:clamp(19px,2.4vw,24px);font-weight:700;color:var(--navy);margin:12px 0 16px}
.hero p.lead{font-size:17px;color:var(--muted);margin:0 0 22px;max-width:560px}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px;padding:0;list-style:none}
.badges li{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 13px;font-size:14px;font-weight:600;color:var(--navy)}
.badges li::before{content:"✓";color:var(--sky);font-weight:800}
.ctas{display:flex;flex-wrap:wrap;gap:12px}
.hero-card{background:#fff;border-radius:24px;padding:36px 30px;box-shadow:0 20px 50px rgba(18,63,110,.12);text-align:center}
.hero-card img{width:150px;margin:0 auto 14px}
.big-num{font-family:"Plus Jakarta Sans",sans-serif;font-size:64px;font-weight:800;color:var(--navy);line-height:1}
.big-num small{font-size:28px;color:var(--sky)}
.hero-card p{margin:8px 0 0;color:var(--muted);font-weight:600}

/* sections */
section{padding:80px 0}
section.alt{background:var(--bg)}
.head{text-align:center;max-width:680px;margin:0 auto 44px}
.head h2{font-size:clamp(28px,3.6vw,38px);font-weight:800}
.head p{color:var(--muted);font-size:17px;margin:12px 0 0}

/* services */
.grid{display:grid;gap:20px}
.services{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card .ico{width:46px;height:46px;border-radius:12px;background:var(--sky-soft);color:var(--navy);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.card .ico svg{width:24px;height:24px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{margin:0;color:var(--muted);font-size:15.5px}
.note{margin:26px auto 0;max-width:760px;text-align:center;background:#fff8e8;border:1px solid #f1dfb1;color:#6b5418;border-radius:12px;padding:12px 16px;font-size:15px;font-weight:600}

/* why */
.why{grid-template-columns:repeat(3,1fr)}
.why .card{border:none;background:transparent;padding:6px 4px}
.why h3{display:flex;align-items:center;gap:10px}
.why h3::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--sky);flex:none}

/* process */
.steps{grid-template-columns:repeat(4,1fr);counter-reset:s}
.step{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--line);position:relative}
.step::before{counter-increment:s;content:counter(s);display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;margin-bottom:12px}
.step h3{font-size:17px;margin-bottom:6px}
.step p{margin:0;color:var(--muted);font-size:15px}

/* gallery */
.gallery{grid-template-columns:repeat(3,1fr)}
.ph{aspect-ratio:4/3;border-radius:var(--radius);background:repeating-linear-gradient(45deg,#eef3f7,#eef3f7 12px,#e6edf3 12px,#e6edf3 24px);border:2px dashed #c9d6e1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--muted);padding:12px}
.ph strong{color:var(--navy);font-size:16px}
.ph span{font-size:13.5px}
.social{display:flex;justify-content:center;gap:12px;margin-top:28px;flex-wrap:wrap}

/* area */
.cities{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;max-width:820px;margin:0 auto}
.cities span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-weight:600;color:var(--navy);font-size:15px}
.area-note{text-align:center;color:var(--muted);margin-top:20px}

/* form */
.ask{background:var(--navy-deep);color:#e6f0f8}
.ask .head h2{color:#fff}
.ask .head p{color:#b9d0e2}
.ask-box{max-width:640px;margin:0 auto;background:#fff;color:var(--ink);border-radius:22px;padding:30px}
.ask-box label{display:block;font-weight:700;font-size:15px;margin:0 0 6px;color:var(--navy-deep)}
.ask-box label em{font-style:normal;font-weight:500;color:var(--gray)}
.ask-box input[type=email],.ask-box textarea{width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;font:inherit;font-size:16px;margin-bottom:18px}
.ask-box input:focus,.ask-box textarea:focus{outline:none;border-color:var(--sky)}
.ask-box input[type=file]{margin-bottom:18px;font-size:15px;width:100%}
.ask-box .btn{width:100%}
.privacy{font-size:14px;color:var(--muted);margin:14px 0 0;text-align:center}
.or-text{text-align:center;margin-top:22px;color:#b9d0e2;font-size:15px}
.or-text a{color:#fff;font-weight:700}

/* footer */
footer{background:#071d33;color:#9fb6c9;padding:52px 0 28px;font-size:15px}
footer .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:36px}
footer .logo-card{background:#fff;border-radius:14px;padding:10px 14px;display:inline-block;margin-bottom:14px}
footer .logo-card img{height:46px}
footer h4{color:#fff;margin:0 0 12px;font-size:15px}
footer a{color:#dbe8f3;text-decoration:none}
footer a:hover{text-decoration:underline}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
footer .scope{margin-top:12px;font-size:14px;color:#e7c873}
footer .copy{border-top:1px solid #16324d;margin-top:36px;padding-top:20px;font-size:13.5px;text-align:center}

/* mobile sticky text button */
.sticky-text{display:none}

@media (max-width:900px){
  nav.main{display:none}
  .hero .wrap{grid-template-columns:1fr}
  .hero-card{display:none}
  .services,.why,.gallery{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  footer .cols{grid-template-columns:1fr}
}
@media (max-width:600px){
  section{padding:60px 0}
  .brand img{height:40px}
  .services,.why,.gallery,.steps{grid-template-columns:1fr}
  .ctas .btn{width:100%}
  .sticky-text{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:30;box-shadow:0 10px 28px rgba(0,0,0,.25)}
  body{padding-bottom:78px}
}
html[lang=ko] body{word-break:keep-all}
.card.cta-card{background:var(--navy);border-color:var(--navy);color:#dbe8f3;display:flex;flex-direction:column;justify-content:center}
.card.cta-card h3{color:#fff}
.card.cta-card p{color:#b9d0e2;margin-bottom:16px}
.card.cta-card .btn{align-self:flex-start;padding:10px 18px;font-size:15px}

/* before / after crossfade */
.gallery .ph{aspect-ratio:3/4}
.ba{margin:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
.ba:focus-visible{outline:3px solid var(--sky);outline-offset:4px;border-radius:var(--radius)}
.ba-frame{position:relative;aspect-ratio:3/4;border-radius:var(--radius);overflow:hidden;background:#dfe6ec;box-shadow:0 10px 30px rgba(18,63,110,.12)}
.ba-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba-after,.ba-tag-after{animation:baFade 8s ease-in-out infinite}
.ba-tag-before{animation:baFadeOut 8s ease-in-out infinite}
@keyframes baFade{0%,38%{opacity:0}50%,88%{opacity:1}100%{opacity:0}}
@keyframes baFadeOut{0%,38%{opacity:1}50%,88%{opacity:0}100%{opacity:1}}
.ba-tag{position:absolute;top:14px;left:14px;padding:6px 14px;border-radius:999px;font-weight:800;font-size:14px;letter-spacing:.03em;color:#fff;backdrop-filter:blur(4px)}
.ba-tag-before{background:rgba(11,42,74,.78)}
.ba-tag-after{background:rgba(42,159,220,.92)}
/* tapped: stop the loop and show one side */
.ba.manual .ba-after,.ba.manual .ba-tag,.ba.manual .ba-tag-before{animation:none;transition:opacity .6s ease}
.ba.manual .ba-after,.ba.manual .ba-tag-after{opacity:0}
.ba.manual .ba-tag-before{opacity:1}
.ba.manual.show-after .ba-after,.ba.manual.show-after .ba-tag-after{opacity:1}
.ba.manual.show-after .ba-tag-before{opacity:0}
.ba figcaption{display:flex;flex-direction:column;padding:12px 4px 0}
.ba figcaption strong{color:var(--navy-deep);font-size:16px}
.ba figcaption span{color:var(--muted);font-size:14.5px}
@media (prefers-reduced-motion:reduce){
  .ba-after,.ba-tag-after,.ba-tag-before{animation:none}
  .ba:not(.manual) .ba-after,.ba:not(.manual) .ba-tag-after{opacity:1}
  .ba:not(.manual) .ba-tag-before{opacity:0}
}
.ba-row{display:flex;flex-wrap:wrap;justify-content:center;gap:24px}
.ba-row .ba{flex:0 1 340px;min-width:0}
.soon-list{text-align:center;color:var(--muted);font-size:15px;margin:28px 0 0}
.soon-list span{font-weight:700;color:var(--navy)}
.ba-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.ba-row .ba{flex:none}
@media (max-width:1000px){.ba-row{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.ba-row{grid-template-columns:1fr}}
.ba-row{display:flex;flex-wrap:wrap;justify-content:center;gap:24px}
.ba-row .ba{flex:0 0 calc((100% - 48px)/3);max-width:340px}
@media (max-width:1000px){.ba-row .ba{flex-basis:calc((100% - 24px)/2)}}
@media (max-width:600px){.ba-row .ba{flex-basis:100%;max-width:none}}