:root {
  --navy-950: #020b19;
  --navy-900: #03152e;
  --navy-850: #061b39;
  --navy-800: #0a2448;
  --blue-600: #095fcf;
  --blue-500: #1775df;
  --blue-100: #eaf3ff;
  --ink: #111c2c;
  --muted: #687487;
  --line: #dfe4eb;
  --line-dark: rgba(255,255,255,.13);
  --surface: #f6f8fb;
  --white: #fff;
  --shell: 1320px;
  --header: 76px;
  --ease: cubic-bezier(.22,1,.36,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Pretendard Variable", Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.62;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
svg { display: block; }
.skip-link { position: fixed; top: -70px; left: 18px; z-index: 1000; padding: 10px 16px; color: #fff; background: var(--blue-600); }
.skip-link:focus { top: 10px; }
.shell { width: min(var(--shell), calc(100% - 64px)); margin-inline: auto; }
.eyebrow { margin: 0 0 8px; color: var(--blue-600); font-size: 11px; font-weight: 800; letter-spacing: .13em; }
.section { padding: 58px 0; }
.section-soft { background: var(--surface); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.section-head h2 { margin: 0; color: #0a172a; font-size: clamp(25px, 2.1vw, 34px); line-height: 1.24; letter-spacing: -.04em; }
.section-head p:not(.eyebrow) { max-width: 660px; margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; border: 0; padding: 2px; color: #0b3d7a; background: none; font-size: 13px; font-weight: 750; cursor: pointer; white-space: nowrap; }
.text-link::after { content: "→"; transition: transform .25s var(--ease); }
.text-link:hover::after { transform: translateX(4px); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; height: var(--header); color: #fff; background: rgba(2,15,34,.97); border-bottom: 1px solid rgba(139,178,228,.15); box-shadow: 0 8px 24px rgba(0,8,22,.08); backdrop-filter: blur(16px) saturate(130%); }
.header-row { height: 100%; display: grid; grid-template-columns: 190px minmax(0,1fr) auto; align-items: center; gap: clamp(22px,2vw,34px); }
.brand { display: inline-flex; width: fit-content; flex-direction: column; line-height: 1; }
.brand strong { font-size: 25px; font-weight: 900; letter-spacing: -.045em; }
.brand small { margin-top: 5px; color: #9fb0c8; font-size: 6px; font-weight: 700; letter-spacing: .1em; }
.desktop-nav { display: flex; min-width: 0; height: 100%; align-items: center; justify-content: center; gap: clamp(18px, 1.65vw, 28px); }
.desktop-nav a { position: relative; display: grid; height: 100%; place-items: center; color: rgba(226,235,247,.82); font-size: 12.5px; font-weight: 670; letter-spacing: -.015em; white-space: nowrap; transition: color .22s ease; }
.desktop-nav a::after { position: absolute; bottom: 0; left: 50%; width: 26px; height: 2px; content: ""; background: #5da4f7; opacity: 0; transform: translateX(-50%) scaleX(.25); transition: opacity .2s ease, transform .26s var(--ease); }
.desktop-nav a:hover, .desktop-nav a.is-active { color: #fff; }
.desktop-nav a:hover::after, .desktop-nav a.is-active::after { opacity: 1; transform: translateX(-50%) scaleX(1); }
.header-tools { display: flex; align-items: center; gap: 10px; }
.header-tools button, .mobile-menu-button { color: #dce5f2; border: 0; background: transparent; cursor: pointer; }
.tool-icon { display:grid; width: 34px; height: 40px; padding: 0; place-items:center; }
.tool-icon svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.action-divider { width:1px; height:17px; margin:0 2px; background:rgba(181,203,233,.24); }
.minor-action { display:inline-flex; min-height:40px; align-items:center; gap:5px; padding:0 2px; color:rgba(232,240,250,.78)!important; font-size:11.5px; font-weight:650; letter-spacing:-.01em; transition:color .2s ease; }
.minor-action:hover { color:#fff!important; }
.header-user-icon { width:14px; height:14px; fill:none; stroke:currentColor; stroke-width:1.7; }
.quote-action { display:inline-grid; min-width:88px; min-height:40px; place-items:center; padding:0 16px; border:1px solid rgba(255,255,255,.72)!important; color:#fff!important; background:rgba(255,255,255,.025); box-shadow:inset 0 1px rgba(255,255,255,.08); font-size:12px; font-weight:760; letter-spacing:-.01em; transition:background .2s ease,border-color .2s ease,transform .22s var(--ease); }
.quote-action:hover { border-color:#fff!important; background:rgba(255,255,255,.08)!important; transform:translateY(-1px); }
.quote-action:active { transform:translateY(0) scale(.985); }
.desktop-nav a:focus-visible,.header-tools button:focus-visible,.quote-action:focus-visible { outline:2px solid #7eb8ff; outline-offset:3px; }
.mobile-menu-button { display: none; width: 42px; height: 42px; padding: 8px; }
.mobile-menu-button span { display: block; width: 24px; height: 1px; margin: 6px auto; background: #fff; transition: transform .3s var(--ease), opacity .2s; }
.mobile-menu-button.is-active span:first-child { transform: translateY(7px) rotate(45deg); }
.mobile-menu-button.is-active span:nth-child(2) { opacity: 0; }
.mobile-menu-button.is-active span:last-child { transform: translateY(-7px) rotate(-45deg); }
.mobile-panel { position: fixed; inset: var(--header) 0 0; z-index: 95; display: none; color: #fff; background: #03152e; overflow-y: auto; }
.mobile-panel.is-open { display: block; }
.mobile-panel-inner { padding: 32px 0 48px; }
.mobile-panel nav { display: grid; }
.mobile-panel nav a { display: flex; justify-content: space-between; padding: 16px 2px; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 19px; font-weight: 720; }
.mobile-panel nav span { color: #6f8aaa; font-size: 11px; }
.mobile-panel-cta { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 24px; }
.mobile-panel-cta a, .mobile-panel-cta button { min-height: 48px; border: 1px solid rgba(255,255,255,.2); color: #fff; background: transparent; font-weight: 700; }
.mobile-panel-cta a { display: grid; place-items: center; background: var(--blue-600); }

/* Hero */
.sub-hero { position: relative; height: 360px; color: #fff; background: #020c1b; overflow: hidden; }
.sub-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.sub-hero::after { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(1,10,24,.97) 0%, rgba(1,12,27,.88) 36%, rgba(1,12,27,.33) 72%, rgba(1,10,22,.2)); }
.hero-grid { position: absolute; inset: 0; z-index: 1; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.14) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, #000, transparent 65%); }
.sub-hero-inner { position: relative; z-index: 2; display: flex; height: 100%; flex-direction: column; align-items: flex-start; justify-content: center; padding-top: 8px; }
.crumb { display: flex; gap: 9px; margin-bottom: 25px; color: #9eacc0; font-size: 11px; }
.sub-hero h1 { margin: 0; font-size: clamp(38px, 4.1vw, 58px); line-height: 1.08; letter-spacing: -.055em; }
.sub-hero .hero-kicker { margin: 7px 0 0; color: #dce6f4; font-size: 18px; font-weight: 680; }
.sub-hero .hero-desc { max-width: 650px; margin: 12px 0 0; color: #b9c7d8; font-size: 14px; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 23px; margin-top: 24px; }
.hero-chip { display: flex; align-items: center; gap: 8px; color: #d6e1ef; font-size: 11px; font-weight: 650; }
.hero-chip svg { width: 19px; height: 19px; fill: none; stroke: #7eb3fa; stroke-width: 1.65; }

/* Building blocks */
.icon-box { display: inline-grid; width: 48px; height: 48px; place-items: center; color: #0d5bb6; }
.icon-box svg { width: 38px; height: 38px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.45; }
.card-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.info-card { min-width: 0; padding: 28px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s; }
.info-card:hover { position: relative; z-index: 2; border-color: #8eb9ed; box-shadow: 0 16px 36px rgba(15,40,70,.1); transform: translateY(-4px); }
.info-card h3 { margin: 16px 0 8px; color: #0b1729; font-size: 18px; line-height: 1.35; }
.info-card p { margin: 0; color: var(--muted); font-size: 13.5px; }
.info-card ul { margin: 13px 0 0; padding-left: 16px; color: #4e5c70; font-size: 12.5px; }
.info-card .text-link { margin-top: 18px; }
.quick-grid { display: grid; grid-template-columns: repeat(4,1fr); margin-top: -1px; border: 1px solid var(--line); box-shadow: 0 12px 30px rgba(4,25,52,.07); }
.quick-card { display: grid; min-height: 105px; grid-template-columns: 58px 1fr 16px; align-items: center; gap: 12px; padding: 18px 24px; border-right: 1px solid var(--line); background: #fff; transition: background .25s, color .25s; }
.quick-card:last-child { border-right: 0; }
.quick-card svg { width: 42px; height: 42px; fill: none; stroke: #0c4f9b; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.45; }
.quick-card strong { display: block; font-size: 15px; }
.quick-card small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.quick-card > span:last-child { color: #8190a3; font-size: 20px; }
.quick-card:hover { color: #fff; background: var(--navy-850); }
.quick-card:hover small, .quick-card:hover > span:last-child { color: #bcd1eb; }
.quick-card:hover svg { stroke: #70afff; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.feature-image { position: relative; min-height: 330px; overflow: hidden; background: #041632; }
.feature-image img { width: 100%; height: 100%; min-height: 330px; object-fit: cover; }
.feature-image::after { position: absolute; inset: 0; content: ""; box-shadow: inset 0 0 0 1px rgba(0,0,0,.08); }
.lead-title { margin: 0 0 15px; font-size: clamp(27px, 2.7vw, 39px); line-height: 1.28; letter-spacing: -.045em; }
.lead-copy { color: #546175; font-size: 14px; }
.metric-grid { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 27px; }
.metric { min-width: 0; padding: 0 15px; text-align: center; border-right: 1px solid var(--line); }
.metric:first-child { padding-left: 0; }
.metric:last-child { padding-right: 0; border-right: 0; }
.metric svg { width: 30px; height: 30px; margin: 0 auto 8px; fill: none; stroke: #0d5bb6; stroke-width: 1.5; }
.metric strong { display: block; color: #071933; font-size: 22px; letter-spacing: -.03em; }
.metric span { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; }
.dark-band { color: #fff; background: var(--navy-900); }
.dual-band { display: grid; grid-template-columns: 1fr 1fr; }
.dual-panel { position: relative; min-height: 215px; padding: 38px 160px 38px 34px; overflow: hidden; border-right: 1px solid var(--line-dark); }
.dual-panel:last-child { border-right: 0; }
.dual-panel small { color: #6faeff; font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.dual-panel h3 { margin: 9px 0 12px; font-size: 20px; line-height: 1.42; }
.dual-panel p { margin: 0; color: #b1c1d5; font-size: 12px; }
.dual-panel .watermark-icon { position: absolute; right: 35px; top: 45px; color: #2b70c7; opacity: .75; }
.dual-panel .watermark-icon svg { width: 104px; height: 104px; fill: none; stroke: currentColor; stroke-width: .9; }
.process-grid { position: relative; display: grid; grid-template-columns: repeat(6,1fr); border: 1px solid var(--line); background: #fff; }
.process-grid::before { position: absolute; top: 31px; right: 7%; left: 7%; height: 1px; content: ""; background: #ccd5e0; }
.process-step { position: relative; min-height: 170px; padding: 17px 14px 20px; text-align: center; border-right: 1px solid var(--line); }
.process-step:last-child { border-right: 0; }
.process-num { position: relative; z-index: 1; display: grid; width: 31px; height: 31px; margin: 0 auto 20px; place-items: center; color: #fff; background: var(--navy-900); border-radius: 50%; font-size: 10px; font-weight: 800; }
.process-step h3 { margin: 0 0 7px; font-size: 14px; }
.process-step p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.product-row { display: grid; grid-template-columns: repeat(5,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.product-card { position: relative; min-width: 0; padding: 18px 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; transition: .3s var(--ease); }
.product-card:hover { z-index: 2; box-shadow: 0 16px 35px rgba(12,35,65,.12); transform: translateY(-4px); }
.product-thumb { display: grid; height: 142px; place-items: center; }
.product-thumb img { width: 100%; height: 122px; object-fit: contain; }
.product-card small { color: #0b5eb8; font-size: 9px; font-weight: 800; letter-spacing: .06em; }
.product-card h3 { min-height: 40px; margin: 7px 0 5px; font-size: 14px; line-height: 1.42; }
.product-card p { min-height: 39px; margin: 0 0 13px; color: var(--muted); font-size: 11.5px; line-height: 1.55; }
.product-actions { display: flex; gap: 13px; color: #0a4f9f; font-size: 11px; font-weight: 750; }
.product-actions button { border: 0; padding: 0; color: inherit; background: none; cursor: pointer; }
.architecture { display: grid; grid-template-columns: 300px 1fr; border: 1px solid var(--line); }
.architecture-info { padding: 25px; border-right: 1px solid var(--line); }
.arch-note { display: grid; grid-template-columns: 35px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.arch-note:last-child { border-bottom: 0; }
.arch-note svg { width: 28px; height: 28px; fill: none; stroke: #0a59ae; stroke-width: 1.5; }
.arch-note strong { display: block; font-size: 13px; }
.arch-note span { color: var(--muted); font-size: 10px; }
.architecture-map { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; align-items: stretch; padding: 28px; background: #fafbfd; }
.arch-column { position: relative; display: grid; align-content: center; gap: 9px; padding: 15px; border: 1px solid var(--line); background: #fff; text-align: center; }
.arch-column:not(:last-child)::after { position: absolute; top: 50%; right: -13px; content: "›"; color: #8ea0b5; font-size: 26px; transform: translateY(-50%); }
.arch-column strong { color: #0a356a; font-size: 12px; }
.arch-column span { padding: 8px 5px; color: #526074; background: #f4f7fa; font-size: 10px; }
.cta { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 35px; min-height: 136px; padding: 28px 38px; color: #fff; background-color: var(--navy-900); background-image: linear-gradient(90deg, rgba(3,21,46,.98), rgba(3,21,46,.72)), url("assets/hero-datacenter.webp"); background-position: center; background-size: cover; }
.cta h2 { margin: 0; font-size: 23px; letter-spacing: -.03em; }
.cta p { margin: 5px 0 0; color: #b6c6d9; font-size: 12px; }
.button-row { display: flex; gap: 8px; }
.button { display: inline-grid; min-width: 142px; min-height: 43px; place-items: center; padding: 0 18px; border: 1px solid rgba(255,255,255,.42); color: #fff; background: transparent; font-size: 12px; font-weight: 750; cursor: pointer; transition: .25s var(--ease); }
.button-primary { border-color: var(--blue-600); background: var(--blue-600); }
.button:hover { color: #09254b; background: #fff; transform: translateY(-2px); }

/* Company */
.ceo-block { display: grid; grid-template-columns: 1.1fr .75fr 1fr; min-height: 330px; align-items: stretch; background: #f7f8fa; }
.ceo-copy { padding: 35px; }
.ceo-copy h2 { margin: 8px 0 15px; font-size: 27px; line-height: 1.35; }
.ceo-copy p { color: var(--muted); font-size: 13px; line-height: 1.7; }
.signature { margin-top: 28px; color: #14243a; font-family: Georgia, serif; font-size: 22px; font-style: italic; }
.ceo-photo { overflow: hidden; }
.ceo-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 16%; }
.ceo-values { display: grid; align-content: center; padding: 20px 30px; }
.ceo-value { display: grid; grid-template-columns: 35px 1fr; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.ceo-value:last-child { border-bottom: 0; }
.ceo-value svg { width: 27px; height: 27px; fill: none; stroke: #0a5bb4; stroke-width: 1.45; }
.ceo-value strong { display: block; font-size: 13px; }
.ceo-value span { color: var(--muted); font-size: 10px; }
.value-grid { display: grid; grid-template-columns: repeat(5,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.value-card { min-height: 172px; padding: 23px 17px; text-align: center; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value-card .icon-box { margin: 0 auto; }
.value-card h3 { margin: 10px 0 6px; font-size: 14px; }
.value-card p { margin: 0; color: var(--muted); font-size: 11.5px; line-height: 1.55; }
.timeline { position: relative; display: grid; grid-template-columns: repeat(5,1fr); padding-top: 26px; }
.timeline::before { position: absolute; top: 33px; right: 7%; left: 7%; height: 2px; content: ""; background: #173c70; }
.timeline-item { position: relative; padding: 28px 18px 0; }
.timeline-item::before { position: absolute; top: 2px; left: 18px; width: 12px; height: 12px; content: ""; border: 3px solid #174d8e; background: #fff; border-radius: 50%; }
.timeline-item strong { display: block; color: #0b4d96; font-size: 13px; }
.timeline-item b { display: block; margin: 6px 0 4px; font-size: 13px; }
.timeline-item span { color: var(--muted); font-size: 11px; }
.partner-grid { display: grid; grid-template-columns: repeat(5,1fr); border: 1px solid var(--line); }
.partner { min-height: 104px; display: grid; place-items: center; text-align: center; border-right: 1px solid var(--line); }
.partner:last-child { border-right: 0; }
.partner strong { display: block; color: #233957; font-size: 23px; letter-spacing: -.04em; }
.partner small { color: var(--muted); font-size: 9px; }
.office-grid { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid var(--line); }
.office { display: grid; grid-template-columns: 145px 1fr; gap: 16px; padding: 15px; border-right: 1px solid var(--line); }
.office:last-child { border-right: 0; }
.office img { width: 145px; height: 105px; object-fit: cover; }
.office h3 { margin: 3px 0 7px; font-size: 13px; }
.office p { margin: 0; color: var(--muted); font-size: 11px; }

/* Solution / Community */
.case-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.case-card { position: relative; min-height: 230px; overflow: hidden; color: #fff; background: var(--navy-900); }
.case-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .52; transition: transform .5s var(--ease); }
.case-card::after { position: absolute; inset: 0; content: ""; background: linear-gradient(180deg, rgba(2,12,25,.08), rgba(2,12,25,.92)); }
.case-card:hover img { transform: scale(1.045); }
.case-card-content { position: absolute; z-index: 2; right: 24px; bottom: 22px; left: 24px; }
.case-card small { color: #7eb5ff; font-size: 10px; }
.case-card h3 { margin: 7px 0; font-size: 18px; }
.case-card p { margin: 0; color: #c4d0df; font-size: 11px; }
.dark-feature-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.dark-feature { min-height: 145px; padding: 28px 24px; border-right: 1px solid var(--line-dark); }
.dark-feature:last-child { border-right: 0; }
.dark-feature svg { width: 35px; height: 35px; fill: none; stroke: #6fafff; stroke-width: 1.4; }
.dark-feature h3 { margin: 13px 0 5px; font-size: 14px; }
.dark-feature p { margin: 0; color: #aebfd2; font-size: 11.5px; }
.news-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 30px; }
.feature-news { position: relative; min-height: 330px; overflow: hidden; color: #fff; background: #04142b; }
.feature-news img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.feature-news::after { position: absolute; inset: 0; content: ""; background: linear-gradient(180deg, transparent 15%, rgba(1,10,22,.94)); }
.feature-news-content { position: absolute; z-index: 2; right: 30px; bottom: 28px; left: 30px; }
.feature-news-content small { color: #79b4ff; }
.feature-news-content h2 { max-width: 560px; margin: 8px 0 9px; font-size: 28px; line-height: 1.35; }
.feature-news-content p { margin: 0; color: #c0cedf; font-size: 12px; }
.list-panel { border-top: 2px solid var(--navy-850); }
.list-title { display: flex; align-items: center; justify-content: space-between; min-height: 54px; border-bottom: 1px solid var(--line); }
.list-title h2 { margin: 0; font-size: 20px; }
.article-list { margin: 0; padding: 0; list-style: none; }
.article-list li { display: grid; grid-template-columns: 1fr auto; gap: 18px; padding: 15px 4px; border-bottom: 1px solid var(--line); font-size: 13px; }
.article-list a:hover { color: var(--blue-600); }
.article-list time { color: #8792a1; font-size: 11px; }
.tabs { display: flex; border-bottom: 1px solid var(--line); }
.tab { min-height: 42px; padding: 0 23px; border: 0; border-bottom: 2px solid transparent; color: #6f7a89; background: transparent; font-size: 12px; cursor: pointer; }
.tab.is-active { color: #0756aa; border-bottom-color: #0756aa; font-weight: 800; }
.resource-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.resource-table th { padding: 10px 14px; color: #526072; background: #f5f7f9; font-size: 10px; text-align: left; }
.resource-table td { padding: 13px 14px; border-bottom: 1px solid var(--line); }
.resource-table td:first-child { width: 64px; color: #8a95a2; }
.resource-table td:last-child { width: 90px; color: #075caf; font-weight: 730; text-align: right; }
.event-grid { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid var(--line); }
.event-card { position: relative; min-height: 170px; padding: 24px; border-right: 1px solid var(--line); overflow: hidden; }
.event-card:last-child { border-right: 0; }
.event-card::after { position: absolute; top: -28px; right: -28px; width: 110px; height: 110px; content: ""; background: #edf5ff; border-radius: 50%; }
.event-card small { position: relative; z-index: 1; color: #0a60ba; font-size: 10px; font-weight: 800; }
.event-card h3 { position: relative; z-index: 1; margin: 12px 0 18px; font-size: 15px; }
.event-card time { position: relative; z-index: 1; color: var(--muted); font-size: 10px; }

/* Customer */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-form { padding: 30px; color: #fff; background: var(--navy-900); }
.contact-form h2 { margin: 0; font-size: 23px; }
.contact-form > p { margin: 4px 0 18px; color: #aebfd3; font-size: 11px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; min-height: 41px; margin-bottom: 8px; padding: 9px 12px; color: #fff; border: 1px solid #496078; border-radius: 0; outline: 0; background: rgba(255,255,255,.025); }
.contact-form textarea { min-height: 105px; resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: #64a8f8; }
.contact-form select option { color: #111; }
.agree { display: flex; align-items: center; gap: 8px; margin: 5px 0 13px; color: #aebfd2; font-size: 10px; }
.agree input { width: 14px; min-height: auto; margin: 0; }
.submit-button { width: 100%; min-height: 45px; color: #fff; border: 0; background: var(--blue-600); font-weight: 800; cursor: pointer; }
.faq-panel { padding: 24px; background: #f7f8fa; }
.faq-panel h2 { margin: 0 0 14px; font-size: 23px; }
.faq-item { margin-bottom: 7px; border: 1px solid var(--line); background: #fff; }
.faq-button { display: grid; width: 100%; min-height: 52px; grid-template-columns: 1fr 20px; align-items: center; padding: 0 17px; border: 0; background: #fff; text-align: left; font-size: 12px; font-weight: 650; cursor: pointer; }
.faq-button span:last-child { color: #0b5eb8; font-size: 18px; transition: transform .25s; }
.faq-item.is-open .faq-button span:last-child { transform: rotate(45deg); }
.faq-answer { display: none; padding: 0 17px 17px; color: var(--muted); font-size: 11px; }
.faq-item.is-open .faq-answer { display: block; }
.service-strip { display: grid; grid-template-columns: repeat(3,1fr); padding: 28px 0; }
.service-col { padding: 0 32px; border-right: 1px solid var(--line-dark); }
.service-col:last-child { border-right: 0; }
.service-col h3 { margin: 0 0 13px; font-size: 17px; }
.service-col p { margin: 0 0 13px; color: #aebfd2; font-size: 11px; }
.service-col li { margin: 7px 0; color: #d6e1ee; font-size: 11px; }
.map-layout { display: grid; grid-template-columns: 350px 1fr; border: 1px solid var(--line); }
.map-info { padding: 28px; }
.map-info h2 { margin: 0 0 4px; font-size: 23px; }
.map-info address { margin: 14px 0 18px; color: #4f5d70; font-size: 12px; font-style: normal; }
.map-info ul { margin: 0; padding: 0; list-style: none; }
.map-info li { padding: 8px 0; border-top: 1px solid var(--line); color: #596779; font-size: 11px; }
.map-board { position: relative; min-height: 315px; overflow: hidden; background-color: #edf0f2; background-image: linear-gradient(27deg, transparent 45%, rgba(255,255,255,.92) 46%, rgba(255,255,255,.92) 49%, transparent 50%), linear-gradient(112deg, transparent 38%, rgba(255,255,255,.95) 39%, rgba(255,255,255,.95) 43%, transparent 44%), repeating-linear-gradient(0deg, transparent, transparent 50px, rgba(172,185,195,.22) 51px); background-size: 170px 130px, 230px 170px, auto; }
.map-board::after { position: absolute; inset: 0; content: "BELTO  본사   ·   데이터센터 거리   ·   AI 인프라 연구소"; padding: 22px; color: rgba(69,87,104,.24); font-size: 11px; letter-spacing: .18em; }
.map-pin { position: absolute; z-index: 2; top: 50%; left: 54%; display: grid; width: 118px; min-height: 58px; place-items: center; color: #fff; background: var(--navy-900); font-size: 12px; font-weight: 800; transform: translate(-50%,-50%); box-shadow: 0 8px 24px rgba(3,21,46,.25); }
.map-pin::after { position: absolute; bottom: -12px; width: 0; height: 0; content: ""; border-top: 12px solid var(--navy-900); border-right: 10px solid transparent; border-left: 10px solid transparent; }

/* Footer, dialogs, motion */
.site-footer { color: #aab9cd; background: #021128; }
.footer-main { display: grid; grid-template-columns: 1.5fr repeat(3,.72fr) .9fr; gap: 38px; padding: 42px 0 34px; }
.footer-brand strong { display: block; color: #fff; font-size: 25px; line-height: 1; letter-spacing: -.04em; }
.footer-brand small { display: block; margin: 6px 0 16px; color: #7186a2; font-size: 6px; }
.footer-brand p { margin: 0; font-size: 12px; line-height: 1.8; }
.footer-col h3 { margin: 0 0 12px; color: #fff; font-size: 12.5px; }
.footer-col a { display: block; margin: 7px 0; font-size: 11.5px; }
.footer-col a:hover { color: #fff; }
.socials { display: flex; gap: 8px; margin: 12px 0 16px; }
.socials a { display: grid; width: 29px; height: 29px; place-items: center; border: 1px solid rgba(255,255,255,.18); color: #fff; font-size: 10px; }
.kakao { display: flex; min-height: 48px; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid rgba(255,255,255,.24); color: #fff; font-size: 11px; }
.kakao i { display: grid; width: 23px; height: 23px; place-items: center; color: #171717; background: #fee500; border-radius: 50%; font-style: normal; }
.footer-bottom { padding: 13px 0 18px; border-top: 1px solid rgba(255,255,255,.08); font-size: 10.5px; }
.search-layer { position: fixed; inset: 0; z-index: 300; display: none; place-items: start center; padding-top: 13vh; background: rgba(1,8,19,.88); backdrop-filter: blur(7px); }
.search-layer.is-open { display: grid; }
.search-box { width: min(700px, calc(100% - 36px)); color: #fff; }
.search-box-top { display: flex; justify-content: space-between; margin-bottom: 22px; }
.search-box h2 { margin: 0; font-size: 25px; }
.search-close { color: #fff; border: 0; background: transparent; font-size: 30px; cursor: pointer; }
.search-form { display: grid; grid-template-columns: 1fr 88px; }
.search-form input { min-height: 57px; padding: 0 17px; border: 1px solid #607791; border-right: 0; color: #fff; background: #061b38; outline: 0; }
.search-form button { border: 0; color: #fff; background: var(--blue-600); font-weight: 750; }
.toast { position: fixed; z-index: 400; right: 24px; bottom: 24px; max-width: 360px; padding: 15px 19px; color: #fff; background: #071b35; box-shadow: 0 15px 40px rgba(0,0,0,.22); font-size: 12px; opacity: 0; pointer-events: none; transform: translateY(14px); transition: .3s var(--ease); }
.toast.is-visible { opacity: 1; transform: translateY(0); }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s var(--ease), transform .65s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1180px) {
  .shell { width: min(100% - 40px, var(--shell)); }
  .header-row { grid-template-columns: 145px minmax(0,1fr) auto; gap: 14px; }
  .desktop-nav { gap: 13px; }
  .desktop-nav a { font-size: 11px; }
  .header-tools { gap:7px; }
  .minor-action { font-size:10px; }
  .quote-action { min-width:78px; padding-inline:12px; font-size:11px; }
  .card-grid { grid-template-columns: repeat(2,1fr); }
  .product-row { grid-template-columns: repeat(3,1fr); }
  .product-card:nth-child(n+4) { margin-top: 0; }
  .footer-main { grid-template-columns: 1.4fr repeat(3,.8fr); }
  .footer-col:last-child { grid-column: 1 / -1; display: flex; align-items: center; gap: 20px; }
}

@media (max-width: 920px) {
  :root { --header: 64px; }
  .shell { width: calc(100% - 32px); }
  .header-row { grid-template-columns: 1fr auto; }
  .desktop-nav, .header-tools { display: none; }
  .mobile-menu-button { display: block; }
  .sub-hero { height: 330px; }
  .quick-grid { grid-template-columns: repeat(2,1fr); }
  .quick-card:nth-child(2) { border-right: 0; }
  .quick-card:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .split, .news-layout, .contact-layout { grid-template-columns: 1fr; }
  .metric-grid { max-width: 600px; }
  .dual-panel { padding-right: 110px; }
  .dual-panel .watermark-icon { right: 18px; opacity: .4; }
  .process-grid { grid-template-columns: repeat(3,1fr); }
  .process-grid::before { display: none; }
  .process-step:nth-child(3) { border-right: 0; }
  .process-step:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .architecture { grid-template-columns: 1fr; }
  .architecture-info { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; border-right: 0; border-bottom: 1px solid var(--line); }
  .arch-note { border-bottom: 0; }
  .value-grid { grid-template-columns: repeat(3,1fr); }
  .value-card:nth-child(n+4) { grid-column: span 1; }
  .ceo-block { grid-template-columns: 1fr .8fr; }
  .ceo-values { grid-column: 1 / -1; grid-template-columns: repeat(2,1fr); }
  .ceo-value:nth-child(odd) { margin-right: 18px; }
  .timeline { grid-template-columns: repeat(3,1fr); row-gap: 24px; }
  .timeline::before { display: none; }
  .partner-grid { grid-template-columns: repeat(3,1fr); }
  .partner { border-bottom: 1px solid var(--line); }
  .office-grid { grid-template-columns: 1fr; }
  .office { border-right: 0; border-bottom: 1px solid var(--line); }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .dark-feature-grid { grid-template-columns: repeat(2,1fr); }
  .dark-feature:nth-child(2) { border-right: 0; }
  .dark-feature:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .event-grid { grid-template-columns: repeat(2,1fr); }
  .event-card:nth-child(2) { border-right: 0; }
  .event-card:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .map-layout { grid-template-columns: 300px 1fr; }
  .footer-main { grid-template-columns: 1.5fr repeat(2,1fr); }
}

@media (max-width: 680px) {
  body { font-size: 14px; }
  .shell { width: calc(100% - 28px); }
  .section { padding: 44px 0; }
  .section-head { align-items: flex-start; flex-direction: column; margin-bottom: 20px; }
  .section-head h2 { font-size: 26px; }
  .brand strong { font-size: 23px; }
  .sub-hero { height: 380px; }
  .sub-hero::after { background: linear-gradient(90deg, rgba(1,10,24,.95), rgba(1,10,24,.67)); }
  .sub-hero > img { object-position: 63% center; }
  .sub-hero h1 { font-size: 40px; }
  .sub-hero .hero-kicker { font-size: 16px; }
  .sub-hero .hero-desc { max-width: 92%; font-size: 13px; }
  .hero-chips { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; }
  .quick-grid, .card-grid, .product-row, .value-grid { grid-template-columns: 1fr; }
  .quick-card { min-height: 90px; border-right: 0; border-bottom: 1px solid var(--line); }
  .quick-card:last-child { border-bottom: 0; }
  .info-card { padding: 24px 21px; }
  .split { gap: 26px; }
  .feature-image, .feature-image img { min-height: 230px; }
  .metric-grid { grid-template-columns: repeat(2,1fr); gap: 18px 0; }
  .metric:nth-child(2) { border-right: 0; }
  .dual-band { grid-template-columns: 1fr; }
  .dual-panel { min-height: 200px; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .dual-panel:last-child { border-bottom: 0; }
  .ceo-block { grid-template-columns: 1fr; }
  .ceo-photo { height: 360px; }
  .ceo-values { grid-template-columns: 1fr; }
  .ceo-value:nth-child(odd) { margin-right: 0; }
  .timeline { grid-template-columns: 1fr; padding-top: 0; }
  .timeline-item { padding: 0 0 0 28px; }
  .timeline-item::before { top: 5px; left: 0; }
  .partner-grid { grid-template-columns: 1fr 1fr; }
  .partner { min-height: 85px; }
  .office { grid-template-columns: 110px 1fr; }
  .office img { width: 110px; height: 94px; }
  .architecture-info { grid-template-columns: 1fr; gap: 0; }
  .arch-note { border-bottom: 1px solid var(--line); }
  .architecture-map { grid-template-columns: 1fr; }
  .arch-column:not(:last-child)::after { top: auto; right: 50%; bottom: -21px; transform: translateX(50%) rotate(90deg); }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .process-step:nth-child(3) { border-right: 1px solid var(--line); }
  .process-step:nth-child(even) { border-right: 0; }
  .process-step:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
  .case-grid { grid-template-columns: 1fr; }
  .case-card { min-height: 210px; }
  .dark-feature-grid, .event-grid { grid-template-columns: 1fr; }
  .dark-feature, .event-card { border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .event-card { border-bottom-color: var(--line); }
  .article-list li { grid-template-columns: 1fr; gap: 3px; }
  .tabs { overflow-x: auto; }
  .tab { flex: 0 0 auto; padding: 0 15px; }
  .resource-table th:nth-child(3), .resource-table td:nth-child(3), .resource-table th:nth-child(4), .resource-table td:nth-child(4) { display: none; }
  .service-strip { grid-template-columns: 1fr; padding: 10px 0; }
  .service-col { padding: 22px; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .map-layout { grid-template-columns: 1fr; }
  .map-board { min-height: 270px; }
  .cta { grid-template-columns: 1fr; padding: 28px 23px; }
  .button-row { flex-direction: column; }
  .button { width: 100%; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col:last-child { grid-column: 1 / -1; display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none!important; transition-duration: .01ms!important; }
  .reveal { opacity: 1; transform: none; }
}