:root {
  --bg: #0b1f3a;
  --bg-soft: #0e2647;
  --navy: #ffffff;
  --ink: #e8eef8;
  --muted: #b7c4d9;
  --line: rgba(255,255,255,0.12);
  --blue: #2f7bff;
  --blue-soft: rgba(47,123,255,0.16);
  --cyan: #00c2e0;
  --pane: rgba(255,255,255,0.05);
  --grad: linear-gradient(135deg, #2f7bff, #00c2e0);
  --sans: "Inter", "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --r: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -0.02em; color: var(--navy); }
p { margin: 0 0 1.1em; }
ul { margin: 0; padding: 0; list-style: none; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: #fff; padding: 8px 12px; z-index: 100; }
.wrap { width: min(1140px, 100% - 48px); margin: 0 auto; }
[lang="ko"] { word-break: keep-all; }
.ko { color: var(--muted); }

/* Header */
header { position: sticky; top: 0; z-index: 10; background: rgba(11,31,58,0.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.05rem; color: var(--navy); letter-spacing: -0.01em; }
.brand .mark { width: 36px; height: 36px; border-radius: 9px; background: var(--grad); display: grid; place-items: center; }
.brand .mark svg { width: 20px; height: 20px; }
.nav ul { display: flex; gap: 28px; align-items: center; }
.nav li a { font-size: 0.95rem; font-weight: 500; color: var(--muted); }
.nav li a:hover, .nav li a[aria-current] { color: var(--navy); }
.nav li a.cta { background: var(--blue); color: #fff; padding: 10px 20px; border-radius: 8px; }
.nav li a.cta:hover { background: #1d66ea; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 26px; border-radius: 8px; font-weight: 600; font-size: 0.98rem; transition: background 0.15s, transform 0.15s; }
.btn.primary { background: var(--blue); color: #fff; }
.btn.primary:hover { background: #1d66ea; transform: translateY(-1px); }
.btn.secondary { background: var(--pane); border: 1px solid rgba(255,255,255,0.25); color: #fff; }
.btn.secondary:hover { border-color: #fff; background: rgba(255,255,255,0.1); }
.btn.light { background: #fff; color: var(--navy); }
.btn.light:hover { background: var(--blue-soft); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 110px 0 90px; background:
  radial-gradient(900px 520px at 85% -10%, rgba(47,123,255,0.35) 0%, rgba(47,123,255,0) 60%),
  radial-gradient(700px 400px at 0% 100%, rgba(0,194,224,0.18) 0%, rgba(0,194,224,0) 60%),
  var(--bg); }
.hero .grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px); background-size: 48px 48px; opacity: 0.6; mask-image: linear-gradient(180deg, rgba(0,0,0,0.9), transparent 85%); }
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: #5aa0ff; margin-bottom: 22px; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--blue); }
.hero h1 { font-size: clamp(2.5rem, 5.4vw, 4.1rem); font-weight: 700; }
.hero .lead { font-size: 1.2rem; color: var(--muted); max-width: 620px; margin: 24px 0 0; }
.hero .ko { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); max-width: 620px; }
.hero .ko h2 { font-size: 1.35rem; font-weight: 600; margin-bottom: 8px; }
.hero .ko p { margin: 0; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 36px; }
.facts { display: grid; gap: 14px; }
.fact { background: var(--pane); border: 1px solid var(--line); border-radius: var(--r); padding: 22px 24px; backdrop-filter: blur(6px); }
.fact .k { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: #5aa0ff; margin-bottom: 4px; }
.fact .v { font-size: 1.1rem; font-weight: 600; color: var(--navy); }
.fact .s { font-size: 0.92rem; color: var(--muted); margin: 2px 0 0; }

/* Sections */
section.block { padding: 96px 0; }
section.block.soft { background: var(--bg-soft); }
section.block.navy { background: var(--bg-soft); color: #dbe4f3; }
section.block.navy h2, section.block.navy h3 { color: #fff; }
.head { max-width: 760px; margin-bottom: 44px; }
.head h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); font-weight: 700; }
.head p { color: var(--muted); font-size: 1.1rem; margin: 16px 0 0; }
.head .ko { margin-top: 10px; font-size: 1rem; }


/* Sectors */
.sectors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.sector { background: var(--pane); border: 1px solid var(--line); border-radius: var(--r); padding: 28px; transition: transform 0.15s, border-color 0.15s, background 0.15s; }
.sector:hover { transform: translateY(-2px); border-color: rgba(90,160,255,0.6); background: rgba(255,255,255,0.08); }
.sector .ic { width: 44px; height: 44px; border-radius: 10px; background: var(--blue-soft); display: grid; place-items: center; margin-bottom: 18px; }
.sector .ic svg { width: 22px; height: 22px; stroke: #5aa0ff; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.sector h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 4px; }
.sector .ko { font-size: 0.92rem; margin-bottom: 12px; display: block; }
.sector p { font-size: 0.95rem; color: var(--muted); margin: 0; }
.sector.wide { grid-column: span 3; display: grid; grid-template-columns: 300px 1fr; gap: 28px; align-items: start; background: linear-gradient(135deg, rgba(47,123,255,0.28), rgba(0,194,224,0.18)); border-color: rgba(90,160,255,0.4); }
.sector.wide .ic { margin-bottom: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: 0.86rem; font-weight: 500; color: #fff; background: rgba(11,31,58,0.55); border: 1px solid rgba(255,255,255,0.2); border-radius: 999px; padding: 6px 12px; }

/* Services */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service { border-radius: var(--r); padding: 32px 28px; background: var(--pane); border: 1px solid var(--line); border-top: 4px solid var(--cyan); }
.service .n { font-size: 0.8rem; font-weight: 700; color: var(--cyan); letter-spacing: 0.1em; margin-bottom: 14px; }
.service h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 10px; }
.service p { font-size: 0.97rem; color: var(--muted); margin: 0 0 8px; }
.service .ko { font-size: 0.92rem; }

/* Why */
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.why .pane { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--r); padding: 32px; }
.why ul li { display: grid; grid-template-columns: 26px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.why ul li:last-child { border-bottom: 0; }
.why .check { width: 26px; height: 26px; border-radius: 50%; background: var(--blue); display: grid; place-items: center; }
.why .check svg { width: 14px; height: 14px; stroke: #fff; fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.why li strong { color: #fff; display: block; font-weight: 600; }
.why li span { font-size: 0.95rem; color: #c3cfe1; }
.why li .ko { color: #9fb0ca; font-size: 0.9rem; display: block; margin-top: 2px; }
.partner { margin-top: 24px; padding: 22px 26px; border-radius: var(--r); background: var(--grad); color: #fff; }
.partner .k { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.9; font-weight: 600; }
.partner .v { font-size: 1.25rem; font-weight: 700; margin: 4px 0 2px; }
.partner p { margin: 0; font-size: 0.95rem; opacity: 0.95; }

/* Process */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
.step { background: var(--pane); border: 1px solid var(--line); border-radius: var(--r); padding: 26px; position: relative; }
.step::before { counter-increment: s; content: "0" counter(s); font-weight: 700; color: var(--cyan); font-size: 0.9rem; letter-spacing: 0.08em; }
.step h3 { font-size: 1.08rem; font-weight: 600; margin: 10px 0 6px; }
.step p { font-size: 0.94rem; color: var(--muted); margin: 0; }
.step .ko { font-size: 0.9rem; display: block; margin-top: 4px; }

/* Contact panel */
.contact-panel { border-radius: 22px; padding: 64px 48px; text-align: center; background: var(--grad); color: #fff; position: relative; overflow: hidden; }
.contact-panel::before { content: ""; position: absolute; inset: 0; background: radial-gradient(500px 300px at 90% -20%, rgba(255,255,255,0.25), transparent 70%); }
.contact-panel > * { position: relative; }
.contact-panel h2 { color: #fff; font-size: clamp(1.8rem, 3.4vw, 2.5rem); font-weight: 700; }
.contact-panel h3 { color: rgba(255,255,255,0.9); font-weight: 500; font-size: 1.15rem; margin-top: 12px; }
.contact-panel .email { display: inline-block; margin-top: 30px; padding: 15px 28px; border-radius: 8px; background: #fff; color: #0b1f3a; font-weight: 600; font-size: 1.05rem; }
.contact-panel .email:hover { background: #e6efff; }
.contact-panel .note { margin: 16px 0 0; color: rgba(255,255,255,0.9); font-size: 0.93rem; }

/* Contact page */
.page-hero { padding: 96px 0 36px; background: radial-gradient(900px 520px at 85% -10%, rgba(47,123,255,0.35) 0%, rgba(47,123,255,0) 60%), var(--bg); }
.page-hero h1 { font-size: clamp(2.3rem, 4.8vw, 3.6rem); font-weight: 700; }
.page-hero .lead { color: var(--muted); font-size: 1.15rem; margin-top: 16px; max-width: 640px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 40px 0 96px; }
.info-card { background: var(--pane); border: 1px solid var(--line); border-radius: var(--r); padding: 36px; }
.info-card .row { padding: 20px 0; border-bottom: 1px solid var(--line); }
.info-card .row:first-child { padding-top: 0; }
.info-card .row:last-child { border-bottom: 0; padding-bottom: 0; }
.info-card h3 { font-size: 0.82rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: #5aa0ff; margin-bottom: 6px; }
.info-card .big { font-size: clamp(1.15rem, 2.2vw, 1.45rem); font-weight: 600; color: var(--navy); word-break: break-all; }
.info-card .big:hover { color: var(--cyan); }
.info-card p { margin: 0; color: var(--muted); }
.side { background: var(--grad); color: #fff; border-radius: var(--r); padding: 36px; }
.side h3 { color: #fff; font-size: 1.25rem; font-weight: 600; margin-bottom: 14px; }
.side p { font-size: 0.97rem; margin-bottom: 12px; }
.side ul li { padding: 10px 0; border-top: 1px solid rgba(255,255,255,0.3); font-size: 0.95rem; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 36px 0 44px; color: #8fa3c2; background: #081729; font-size: 0.9rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer p { margin: 0; }

@media (max-width: 900px) {
  .hero .wrap, .why, .contact-grid { grid-template-columns: 1fr; }
  .sectors, .services { grid-template-columns: 1fr 1fr; }
  .sector.wide { grid-column: span 2; grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .sectors, .services, .steps { grid-template-columns: 1fr; }
  .sector.wide { grid-column: span 1; }
  section.block { padding: 68px 0; }
  .hero { padding: 72px 0 60px; }
  .nav { height: 66px; }
  .nav ul { gap: 14px; }
  .nav li a.cta { padding: 8px 14px; }
  .brand .text { display: none; }
  .contact-panel { padding: 48px 22px; }
  .info-card, .side { padding: 26px; }
}