@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+KR:wght@300;400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --navy-950: #04131f;
  --navy-900: #061a2a;
  --navy-850: #082237;
  --navy-800: #0b2e49;
  --blue-600: #1268d4;
  --blue-500: #1f86f5;
  --cyan: #62dcff;
  --ink: #10253a;
  --muted: #5e7184;
  --line: #dce5ec;
  --paper: #f4f7fa;
  --white: #ffffff;
  --radius: 24px;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "IBM Plex Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  word-break: keep-all;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
em { color: var(--blue-500); font-style: normal; }

.skip-link {
  position: fixed; left: 12px; top: -80px; z-index: 1000;
  padding: 12px 18px; color: #fff; background: #000;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; gap: 40px;
  height: 72px; padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  color: var(--white); background: rgba(4, 19, 31, .82);
  border-bottom: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(18px);
}
.brand {
  margin-right: auto; font-family: Manrope, sans-serif; font-weight: 800;
  letter-spacing: -.05em; font-size: 21px; color: #fff;
}
.site-header nav { display: flex; gap: 34px; font-size: 14px; font-weight: 600; }
.site-header nav a { color: #cbd8e2; transition: color .2s ease; }
.site-header nav a:hover { color: var(--cyan); }
.header-contact {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px;
  border: 1px solid rgba(255,255,255,.25); border-radius: 999px; font-size: 13px; font-weight: 700;
}

.hero {
  position: relative; min-height: 100svh; overflow: hidden;
  display: grid; grid-template-columns: 1fr .92fr; align-items: center; gap: 70px;
  padding: 130px max(24px, calc((100vw - var(--max)) / 2)) 90px;
  color: var(--white); background:
    radial-gradient(circle at 76% 42%, rgba(31,134,245,.28), transparent 31%),
    linear-gradient(130deg, var(--navy-950) 0%, #062139 58%, #083a5a 100%);
}
.hero-grid {
  position: absolute; inset: 0; opacity: .16;
  background-image: linear-gradient(rgba(98,220,255,.35) 1px, transparent 1px), linear-gradient(90deg, rgba(98,220,255,.35) 1px, transparent 1px);
  background-size: 72px 72px; mask-image: linear-gradient(90deg, transparent, #000 38%, #000);
  transform: perspective(700px) rotateX(58deg) scale(1.45) translateY(13%);
}
.hero-orbit { position: absolute; border: 1px solid rgba(98,220,255,.24); border-radius: 50%; }
.orbit-a { width: 560px; height: 560px; right: 3vw; top: 15vh; }
.orbit-b { width: 360px; height: 360px; right: 11vw; top: 27vh; }
.hero-copy, .hero-visual { position: relative; z-index: 2; }
.eyebrow {
  display: flex; align-items: center; gap: 12px; margin: 0 0 28px;
  color: var(--cyan); font-family: Manrope, sans-serif; font-size: 12px; font-weight: 800; letter-spacing: .2em;
}
.eyebrow span { width: 30px; height: 2px; background: currentColor; }
.eyebrow.dark { color: var(--blue-600); }
.hero h1 {
  max-width: 690px; margin: 0; font-size: clamp(54px, 6.3vw, 90px);
  line-height: .98; letter-spacing: -.065em; font-weight: 700;
}
.hero-description {
  max-width: 640px; margin: 34px 0 0; color: #c7d4df;
  font-size: clamp(17px, 1.5vw, 20px); line-height: 1.8; font-weight: 300;
}
.hero-visual {
  padding: 14px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 40px 90px rgba(0,0,0,.35); border-radius: 26px; transform: rotate(1.5deg);
}
.hero-visual img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 16px; }
.visual-kicker { padding: 4px 6px 13px; color: #9fb9cd; font: 700 10px/1 Manrope, sans-serif; letter-spacing: .16em; }
.pulse { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 5px rgba(98,220,255,.1); }
.visual-caption { display: flex; align-items: center; gap: 14px; padding: 16px 6px 3px; }
.visual-caption > span { color: var(--cyan); font: 800 25px/1 Manrope, sans-serif; }
.visual-caption div { display: grid; gap: 3px; }
.visual-caption strong { font-size: 15px; }
.visual-caption small { color: #9fb0bd; }
.scroll-cue {
  position: absolute; left: max(24px, calc((100vw - var(--max)) / 2)); bottom: 26px; z-index: 3;
  display: flex; align-items: center; gap: 12px; color: #8fa9bc; font: 700 10px/1 Manrope, sans-serif; letter-spacing: .2em;
}
.scroll-cue i { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; font-style: normal; }

.section { padding: 120px max(24px, calc((100vw - var(--max)) / 2)); }
.section-heading { display: grid; grid-template-columns: 1.4fr .7fr; column-gap: 80px; align-items: end; margin-bottom: 56px; }
.section-heading .eyebrow { grid-column: 1 / -1; }
.section h2 { margin: 0; font-size: clamp(40px, 5vw, 68px); line-height: 1.08; letter-spacing: -.055em; }
.section-heading > p:last-child, .flow-copy > p:last-child, .arch-copy > p:last-child {
  margin: 0; color: var(--muted); font-size: 17px; line-height: 1.8;
}
.intro { background: #fff; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.capability { position: relative; min-height: 350px; padding: 34px 34px 40px; border-right: 1px solid var(--line); }
.capability:last-child { border-right: 0; }
.cap-number { position: absolute; right: 28px; top: 30px; color: #b7c5d1; font: 700 12px/1 Manrope, sans-serif; }
.cap-icon { display: grid; place-items: center; width: 58px; height: 58px; margin-bottom: 52px; color: var(--blue-600); background: #eaf4ff; border-radius: 50%; }
.cap-icon svg { width: 30px; height: 30px; overflow: visible; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.capability h3 { margin: 0 0 18px; font-size: 28px; line-height: 1.25; letter-spacing: -.04em; }
.capability p { margin: 0; color: var(--muted); line-height: 1.75; }

.analysis-flow {
  display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; color: #fff;
  background: var(--navy-900); position: relative; overflow: hidden;
}
.analysis-flow::after {
  content: ""; position: absolute; width: 620px; height: 620px; right: -230px; top: -260px;
  border: 1px solid rgba(98,220,255,.1); border-radius: 50%; box-shadow: 0 0 0 130px rgba(98,220,255,.03), 0 0 0 260px rgba(98,220,255,.02);
}
.flow-copy, .flow-list { position: relative; z-index: 1; }
.flow-copy > p:last-child { margin-top: 30px; color: #9eb1c1; }
.flow-list { padding: 0; margin: 0; list-style: none; }
.flow-list li {
  display: grid; grid-template-columns: 55px 1fr auto; align-items: center; gap: 20px;
  min-height: 100px; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.13);
}
.flow-list li > span { color: var(--cyan); font: 800 14px/1 Manrope, sans-serif; }
.flow-list li > div { display: grid; gap: 7px; }
.flow-list strong { font-size: 21px; }
.flow-list small { color: #8fa6b7; font-size: 15px; }
.flow-list b { color: #6ebcf6; font: 600 14px/1.2 Manrope, sans-serif; }

.cases { background: var(--paper); }
.case { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.case-wide { display: grid; grid-template-columns: .58fr 1.42fr; margin-bottom: 24px; }
.case-pair { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case-image { overflow: hidden; background: #dfe7ed; }
.case-image img { width: 100%; height: 100%; min-height: 330px; object-fit: cover; transition: transform .6s ease; }
.case:hover .case-image img { transform: scale(1.025); }
.case-wide .case-image { order: 2; }
.case-copy { position: relative; padding: 46px; }
.case-index { position: absolute; right: 34px; top: 38px; color: #a8b8c5; font: 700 12px/1 Manrope, sans-serif; }
.case-label { margin: 0 0 44px; color: var(--blue-600); font: 800 10px/1.2 Manrope, sans-serif; letter-spacing: .13em; }
.case h3 { margin: 0 0 16px; font-size: clamp(26px, 2.4vw, 36px); line-height: 1.25; letter-spacing: -.045em; }
.case-copy > p:last-child { margin: 0; color: var(--muted); line-height: 1.75; }

.architecture {
  display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; color: #fff;
  background: linear-gradient(125deg, #071724, #0a2b47);
}
.arch-copy > p:last-child { margin-top: 30px; color: #9eb1c1; }
.arch-stack { display: grid; gap: 10px; align-content: center; }
.arch-row {
  display: grid; grid-template-columns: 210px 1fr; align-items: center; min-height: 92px; padding: 22px 28px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.11); border-radius: 14px;
}
.arch-row span { color: #65b9f5; font: 800 12px/1.3 Manrope, sans-serif; letter-spacing: .07em; }
.arch-row strong { font: 600 18px/1.35 Manrope, sans-serif; }
.arch-row:last-child { color: #061a2a; background: var(--cyan); border-color: var(--cyan); }
.arch-row:last-child span { color: #0d5d9d; }

.geoworks {
  position: relative; display: grid; grid-template-columns: .25fr 1fr auto; align-items: end; gap: 50px;
  overflow: hidden; background: #fff;
}
.geoworks-mark {
  align-self: stretch; display: grid; place-items: center; color: #dfeeff; background: var(--blue-600);
  border-radius: var(--radius); font: 800 clamp(27px, 3.5vw, 46px)/1 Manrope, sans-serif; letter-spacing: -.055em;
}
.geoworks-copy h2 { font-size: clamp(36px, 4.4vw, 58px); }
.geoworks-copy > p:last-of-type { max-width: 800px; margin: 25px 0 0; color: var(--muted); line-height: 1.8; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.tag-row span { padding: 8px 12px; color: #275575; background: #edf5fb; border-radius: 999px; font-size: 12px; font-weight: 600; }
.text-link { padding-bottom: 4px; color: var(--blue-600); border-bottom: 1px solid currentColor; font-weight: 700; white-space: nowrap; }

.demo { background: #e9eff4; }
.video-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 24px; align-items: start; }
.video-card { padding: 18px; background: #fff; border-radius: var(--radius); box-shadow: 0 22px 60px rgba(16,37,58,.09); }
.video-meta { display: flex; justify-content: space-between; align-items: center; padding: 2px 4px 16px; }
.video-meta span { color: var(--blue-600); font: 800 10px/1 Manrope, sans-serif; letter-spacing: .12em; }
.video-meta strong { font: 800 18px/1 Manrope, sans-serif; }
.video-frame { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #071724; border-radius: 15px; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.identity {
  position: relative; display: grid; grid-template-columns: 1fr 1fr; min-height: 520px; align-items: center;
  overflow: hidden; color: #fff; background: var(--blue-600);
}
.identity-word {
  font: 800 clamp(100px, 18vw, 260px)/1 Manrope, sans-serif; letter-spacing: -.1em;
  color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.19); transform: translateX(-8%);
}
.identity-copy h2 { font-size: clamp(38px, 4.7vw, 62px); }
.identity-copy > p:last-child { max-width: 650px; margin: 28px 0 0; color: #d8ecff; font-size: 17px; line-height: 1.85; }

.contact {
  display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 80px;
  color: #fff; background: var(--navy-950);
}
.contact-copy h2 { font-size: clamp(38px, 4.7vw, 62px); }
.contact-copy > p:last-child { color: #9eb1c1; font-size: 17px; line-height: 1.8; }
.contact-card {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 22px;
  min-height: 150px; padding: 30px; color: #071724; background: var(--cyan); border-radius: var(--radius);
  transition: transform .2s ease;
}
.contact-card:hover { transform: translateY(-4px); }
.contact-arrow { display: grid; place-items: center; width: 55px; height: 55px; color: #fff; background: var(--blue-600); border-radius: 50%; font-size: 25px; }
.contact-card > span:nth-child(2) { display: grid; gap: 8px; }
.contact-card strong { font-size: 23px; }
.contact-card small { color: #28617c; }
.contact-card b { font-size: 24px; }

footer {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px;
  padding: 30px max(24px, calc((100vw - var(--max)) / 2)); color: #7f95a6; background: #020d15;
}
footer strong { color: #fff; font: 800 20px/1 Manrope, sans-serif; letter-spacing: -.05em; }
footer span { font-size: 12px; }
footer small { font-size: 11px; }
.mobile-actions { display: none; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 980px) {
  .site-header { height: 64px; padding: 0 20px; }
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 125px 24px 90px; }
  .hero-copy { max-width: 750px; }
  .hero-visual { max-width: 760px; }
  .orbit-a { right: -260px; }
  .orbit-b { right: -100px; }
  .section { padding: 90px 24px; }
  .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .analysis-flow, .architecture { grid-template-columns: 1fr; gap: 60px; }
  .case-wide { grid-template-columns: 1fr; }
  .case-wide .case-image { order: 0; }
  .case-pair { grid-template-columns: 1fr; }
  .geoworks { grid-template-columns: 180px 1fr; }
  .geoworks .text-link { grid-column: 2; justify-self: start; }
  .video-grid { grid-template-columns: 1fr; }
  .identity { grid-template-columns: .7fr 1.3fr; }
  .contact { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { padding-bottom: calc(70px + env(safe-area-inset-bottom)); }
  .site-header { height: 58px; }
  .brand { font-size: 18px; }
  .header-contact { padding: 8px 12px; font-size: 12px; }
  .hero { gap: 46px; padding: 105px 20px 76px; }
  .hero h1 { font-size: clamp(45px, 13vw, 62px); }
  .hero-description { margin-top: 25px; font-size: 16px; line-height: 1.72; }
  .button { flex: 1 1 auto; }
  .hero-visual { margin: 0 -5px; padding: 9px; border-radius: 19px; }
  .hero-visual img { border-radius: 12px; }
  .visual-caption small { display: none; }
  .scroll-cue { display: none; }
  .section { padding: 76px 20px; }
  .section h2 { font-size: 40px; }
  .section-heading { margin-bottom: 38px; }
  .eyebrow { margin-bottom: 20px; font-size: 10px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability { min-height: auto; padding: 30px 6px; border-right: 0; border-bottom: 1px solid var(--line); }
  .cap-icon { margin-bottom: 30px; }
  .analysis-flow { gap: 42px; }
  .flow-list li { grid-template-columns: 40px 1fr; }
  .flow-list li b { display: none; }
  .case-wide, .case-pair { margin-left: -6px; margin-right: -6px; }
  .case-copy { padding: 30px 24px 34px; }
  .case-image img { min-height: 235px; }
  .case-label { margin-bottom: 34px; }
  .arch-row { grid-template-columns: 1fr; gap: 8px; padding: 18px; }
  .geoworks { grid-template-columns: 1fr; gap: 32px; }
  .geoworks-mark { min-height: 145px; }
  .geoworks .text-link { grid-column: 1; }
  .video-card { padding: 10px; border-radius: 18px; }
  .video-meta { padding: 6px 5px 13px; }
  .identity { grid-template-columns: 1fr; min-height: auto; }
  .identity-word { position: absolute; left: -30px; top: 34px; opacity: .7; }
  .identity-copy { position: relative; z-index: 1; padding-top: 150px; }
  .contact-card { min-height: 125px; padding: 22px; gap: 14px; }
  .contact-arrow { width: 44px; height: 44px; }
  .contact-card strong { font-size: 18px; }
  footer { grid-template-columns: 1fr; gap: 8px; padding: 30px 20px; }
  .mobile-actions {
    position: fixed; inset: auto 10px calc(10px + env(safe-area-inset-bottom)) 10px; z-index: 120;
    display: grid; grid-template-columns: 1fr 1fr; padding: 6px; background: rgba(4,19,31,.92);
    border: 1px solid rgba(255,255,255,.14); border-radius: 16px; backdrop-filter: blur(16px);
    box-shadow: 0 12px 35px rgba(0,0,0,.35);
  }
  .mobile-actions a { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; color: #fff; font-size: 13px; font-weight: 700; }
  .mobile-actions a:last-child { color: #04131f; background: var(--cyan); border-radius: 11px; }
}