:root{
  --bg-deep:#CFEAFB;
  --bg-deep-2:#BFE1F7;
  --ink:#101826;
  --accent:#22D3EE;
  --accent-2:#026591;
  --accent-soft:#DCFAFF;
  --line:#DCE6EE;
  --bg-alt:#F2F8FC;
  --muted:#5C7288;
  --muted-deep:#3D5A73;
  --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.65;
  word-break:keep-all;
  overflow-wrap:break-word;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.32;margin:0 0 .5em;font-family:"Do Hyeon",sans-serif;font-weight:400}
.accent{color:var(--accent-2)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.12rem;color:var(--ink);font-family:"Pretendard",sans-serif}
.brand .mark{width:28px;height:28px}
.brand small{font-weight:600;font-size:.6rem;color:var(--muted);letter-spacing:.04em;margin-left:4px}
.main-nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.main-nav a{font-weight:600;font-size:.92rem;color:var(--ink)}
.main-nav a.active,.main-nav a:hover{color:var(--accent-2)}
.header-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:4px;width:32px;height:32px;border:0;background:none;cursor:pointer}
.nav-toggle span{display:block;width:100%;height:2px;background:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:12px 22px;border-radius:8px;font-weight:700;font-size:.9rem;white-space:nowrap}
.btn-primary{background:var(--accent);color:#04222B}
.btn-outline{border:1.5px solid var(--ink);color:var(--ink)}
.btn:hover{opacity:.85}

/* hero: split layout — copy left, framed photo card right with scan-line glow.
   Deliberately different from sibling sites' full-bleed dark-photo hero. */
.hero{position:relative;color:var(--ink);overflow:hidden;background:var(--bg-deep)}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:
    radial-gradient(circle at 12% 20%, rgba(34,211,238,.30), transparent 40%),
    radial-gradient(circle at 88% 82%, rgba(2,132,199,.20), transparent 45%),
    repeating-linear-gradient(0deg, rgba(16,40,60,.045) 0px, rgba(16,40,60,.045) 1px, transparent 1px, transparent 42px),
    repeating-linear-gradient(90deg, rgba(16,40,60,.045) 0px, rgba(16,40,60,.045) 1px, transparent 1px, transparent 42px);
}
.hero .wrap{position:relative;z-index:1;padding:88px 24px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-copy{animation:hero-reveal 1s ease both}
@keyframes hero-reveal{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){.hero-copy{animation:none}}
.eyebrow-line{display:flex;align-items:center;gap:8px;font-size:.82rem;color:var(--accent-2);font-weight:700;margin-bottom:16px;letter-spacing:.03em}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse-blink 1.6s ease-in-out infinite;box-shadow:0 0 0 4px rgba(34,211,238,.28)}
@keyframes pulse-blink{0%,100%{opacity:1}50%{opacity:.25}}
@media (prefers-reduced-motion:reduce){.pulse{animation:none}}
.hero h1{font-size:3.1rem;letter-spacing:-.01em;color:var(--ink)}
.hero-sub{color:var(--muted-deep);font-size:1.03rem;max-width:52ch}
.br-mobile{display:none}
.hero-cta{display:flex;gap:12px;margin:24px 0}
.hero .hero-cta .btn-outline{border-color:var(--ink);color:var(--ink)}
.hero-stats{display:flex;gap:28px;margin-top:26px;flex-wrap:wrap;text-align:left}
.hero-stats strong{display:block;color:var(--accent-2);font-size:1.15rem;font-family:"Do Hyeon",sans-serif}
.hero-stats span{display:block;color:var(--muted-deep);font-size:.8rem;margin-top:2px}

.hero-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(34,211,238,.35);box-shadow:0 30px 60px -24px rgba(0,0,0,.6),0 0 44px -12px rgba(34,211,238,.4);aspect-ratio:4/5}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg, rgba(34,211,238,.09) 0px, rgba(34,211,238,.09) 1px, transparent 1px, transparent 5px);
  mix-blend-mode:overlay;animation:scan 5s linear infinite;
}
@keyframes scan{0%{background-position-y:0}100%{background-position-y:120px}}
@media (prefers-reduced-motion:reduce){.hero-media::after{animation:none}}
.hero-media .tag-badge{position:absolute;left:14px;bottom:14px;background:rgba(11,21,38,.75);backdrop-filter:blur(4px);color:var(--accent);font-size:.76rem;font-weight:700;padding:7px 12px;border-radius:999px;border:1px solid rgba(34,211,238,.4)}

/* page-hero variant used on inner pages: shorter, single-column-leaning */
.hero.page-hero .wrap{padding:56px 24px;grid-template-columns:1.3fr .7fr}
.hero.page-hero .hero-media{aspect-ratio:4/3}
.hero.page-hero h1{font-size:2.4rem}

/* section shared */
section{padding:76px 0}
.alt-bg{background:var(--bg-alt)}
.section-head{max-width:660px;margin:0 auto 40px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.section-tag{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:800;color:var(--accent-2);letter-spacing:.08em;margin-bottom:10px}
.section-tag::before{content:"";width:16px;height:2px;background:var(--accent);display:inline-block}
.section-head h2{font-size:1.72rem}
.section-head p{color:var(--muted);margin:0}
.prose{color:var(--ink)}
.prose.center{max-width:780px;margin:0 auto;text-align:center}
.prose.center ul{list-style-position:inside;padding-left:0}
.prose p{margin:0 0 1.1em}
.prose strong{color:var(--accent-2);font-weight:700}
.prose ul{margin:0;padding-left:1.2em}
.prose li{margin-bottom:.7em;line-height:1.6}
.prose li:last-child{margin-bottom:0}

/* top media block: image-first layout, per-page top placement */
.top-media{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:38px}
.top-media figure{margin:0;position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.top-media img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .6s ease}
.top-media figure:hover img{transform:scale(1.06)}
.top-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;background:linear-gradient(0deg,rgba(11,21,38,.85),transparent);color:#fff;font-size:.84rem;font-weight:700}
.top-media-single{margin-bottom:38px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.top-media-single img{aspect-ratio:21/9;object-fit:cover;width:100%}

/* before/after */
.ba-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;margin-bottom:20px}
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:2px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.ba-pair figure{margin:0;position:relative}
.ba-pair img{aspect-ratio:1/1;object-fit:cover;width:100%}
.ba-pair figcaption{position:absolute;top:10px;left:10px;background:rgba(11,21,38,.8);color:var(--accent);font-size:.74rem;font-weight:800;padding:5px 11px;border-radius:999px;letter-spacing:.04em}
.ba-title{font-weight:700;margin:14px 0 0;font-size:.94rem;color:var(--ink)}

/* tables */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table.service-table{width:100%;border-collapse:collapse;min-width:640px;font-size:.92rem}
.service-table th{background:var(--accent-2);color:#fff;text-align:left;padding:14px 16px;font-size:.82rem}
.service-table td{padding:14px 16px;border-top:1px solid var(--line);vertical-align:top}
.service-table td.tag{font-weight:800;color:var(--accent-2);white-space:nowrap}
.service-table td.field{font-weight:700}
.service-table td.desc{color:var(--muted)}

/* process */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.process-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px}
.process-num{font-size:1.3rem;color:var(--accent-2);margin-bottom:8px;font-family:"Do Hyeon",sans-serif}
.process-step h3{font-size:1rem;margin-bottom:6px;font-family:"Pretendard",sans-serif;font-weight:700}
.process-step p{font-size:.82rem;color:var(--muted);margin:0}

/* why / reason grid */
.reason-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.reason-cell{padding:22px 4px}
.checkmark{width:28px;height:28px;border-radius:9px;background:var(--accent-2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem;margin-bottom:14px}
.reason-cell h3{font-size:1.02rem;font-family:"Pretendard",sans-serif;font-weight:700}
.reason-cell p{font-size:.86rem;color:var(--muted);margin:0}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .55s ease,transform .55s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* gallery */
.ref-strip{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.ref-chip{background:var(--accent-soft);border:1px solid #9FE8F5;border-radius:999px;padding:8px 16px;font-size:.82rem;font-weight:700;color:#0B6B80}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery-link{display:block}
.gallery-grid figure{margin:0;border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);position:relative}
.gallery-grid img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .5s ease}
.gallery-grid figure:hover img{transform:scale(1.05)}
.gallery-grid figcaption{padding:10px 12px;font-size:.8rem;color:var(--muted);font-weight:600}

/* guides */
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.guide-item{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;font-weight:700;font-size:.92rem;color:var(--ink)}
.guide-item .arrow{color:var(--accent-2);font-weight:800}
.guide-item:hover{border-color:var(--accent)}
@media (max-width:860px){.guide-grid{grid-template-columns:1fr}}

/* faq */
.faq-list{max-width:780px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item.faq-hidden{display:none}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:18px 4px;font-size:.98rem;font-weight:700;display:flex;justify-content:space-between;align-items:center;cursor:pointer;color:var(--ink)}
.faq-q .plus{color:var(--accent-2);font-weight:800;transition:transform .2s}
.faq-a{display:none;padding:0 4px 18px;color:var(--muted);font-size:.9rem}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
#faq-more-btn{display:block;margin:26px 0 0}

/* cta */
#cta .cta-banner{display:flex;justify-content:space-between;align-items:center;gap:24px;background:var(--bg-deep);color:var(--ink);border-radius:20px;padding:42px;position:relative;overflow:hidden}
#cta .cta-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 20%, rgba(34,211,238,.35), transparent 55%)}
.cta-banner>*{position:relative;z-index:1}
.cta-banner h2{font-size:1.44rem;margin-bottom:6px;color:var(--ink)}
.cta-banner p{color:var(--muted-deep);margin:0}
.cta-banner .actions{display:flex;gap:12px;flex-shrink:0}
.cta-banner .btn-outline{border-color:var(--ink);color:var(--ink)}

/* footer */
.site-footer{background:var(--bg-deep);color:var(--muted-deep);padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(16,40,60,.15)}
.footer-brand .brand{color:var(--ink)}
.footer-brand p{margin-top:12px;font-size:.86rem;max-width:36ch}
.footer-col h4{color:var(--accent-2);font-size:.78rem;letter-spacing:.06em;margin-bottom:14px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:.86rem}
.footer-col a:hover{color:var(--ink)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:20px;font-size:.78rem;color:var(--muted-deep)}

@media (max-width:860px){
  .hero .wrap{padding:56px 24px;grid-template-columns:1fr;gap:32px}
  .hero-media{aspect-ratio:16/10;order:-1}
  .hero h1{font-size:2.3rem}
  .hero-cta{gap:10px;flex-wrap:nowrap}
  .hero-cta .btn{padding:13px 18px;font-size:.88rem;flex:1 1 0;justify-content:center}
  .br-mobile{display:inline}
  .hero-stats{gap:8px;flex-wrap:nowrap;text-align:center}
  .hero-stats>div{flex:1 1 0;min-width:0}
  .hero-stats strong{font-size:.95rem}
  .hero-stats span{font-size:.68rem}
  .brand{font-size:1rem;gap:8px}
  .brand small{display:none}
  .main-nav{position:fixed;inset:72px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);transform:translateY(-8px);opacity:0;pointer-events:none;transition:.18s}
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .main-nav ul{flex-direction:column;padding:16px 24px;gap:4px}
  .main-nav a{display:block;padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:flex}
  .process{grid-template-columns:repeat(2,1fr)}
  .reason-grid{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .ba-grid{grid-template-columns:1fr}
  .top-media{grid-template-columns:1fr;margin-left:-24px;margin-right:-24px;width:calc(100% + 48px)}
  .top-media img{aspect-ratio:4/3;border-radius:0;border-left:0;border-right:0}
  .top-media-single{margin-left:-24px;margin-right:-24px;width:calc(100% + 48px);border-radius:0;border-left:0;border-right:0}
  #cta .cta-banner{flex-direction:column;text-align:center}
  .footer-grid{grid-template-columns:1fr;gap:24px}
}
@media (max-width:480px){
  .gallery-grid{grid-template-columns:1fr}
  .hero h1{font-size:1.95rem}
  .reason-cell{padding:18px 2px}
  .reason-cell p{font-size:.82rem}
  .process-step{padding:16px 12px}
  .process-step p{font-size:.78rem}
}