@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&family=Sora:wght@700;800&display=swap");

:root {
  color-scheme: dark;
  --bg: #071216;
  --panel: #0b1a1f;
  --panel-2: #102329;
  --ink: #f0f3ef;
  --muted: #93a4a5;
  --line: rgba(224, 235, 232, 0.13);
  --paper: #eef0eb;
  --paper-ink: #112126;
  --accent: #55c9d2;
  --accent-soft: rgba(85, 201, 210, 0.14);
  --accent-2: #efc36d;
  --shell: min(calc(100vw - 72px), 1460px);
  --reading: min(calc(100vw - 72px), 1180px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Noto Sans KR", sans-serif;
  word-break: keep-all;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { color: inherit; font: inherit; }
p, h1, h2, h3, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.detail-shell { width: var(--shell); margin-inline: auto; }
.reading-shell { width: var(--reading); margin-inline: auto; }

.theme-repair { --accent: #f0ba5f; --accent-soft: rgba(240, 186, 95, 0.14); --accent-2: #63ced4; }
.theme-ai { --accent: #6ad7e0; --accent-soft: rgba(106, 215, 224, 0.14); --accent-2: #d8ff68; }
.theme-nas { --accent: #86aaff; --accent-soft: rgba(134, 170, 255, 0.14); --accent-2: #64dec1; }
.theme-infra { --accent: #f09b58; --accent-soft: rgba(240, 155, 88, 0.14); --accent-2: #f1cf71; }
.theme-web { --accent: #f0cd78; --accent-soft: rgba(240, 205, 120, 0.14); --accent-2: #67d7df; }

.detail-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 50%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: var(--shell);
  min-height: 88px;
  transform: translateX(-50%);
  transition: width .25s ease, padding .25s ease, background .25s ease, border-color .25s ease;
}
.detail-header.is-scrolled {
  width: 100%;
  padding-inline: max(24px, calc((100vw - 1460px) / 2));
  background: rgba(5, 15, 18, .91);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.detail-brand { display: inline-flex; align-items: center; gap: 12px; width: max-content; }
.detail-brand-mark { position: relative; display: grid; width: 40px; height: 36px; overflow: hidden; color: #55c9d2; background: rgba(85,201,210,.08); border: 1px solid rgba(85,201,210,.72); clip-path: polygon(0 0,100% 0,100% 72%,74% 100%,0 100%); place-items: center; font: 800 13px/1 Sora, "Segoe UI", sans-serif; letter-spacing: -.07em; }
.detail-brand-mark::after { position: absolute; right: 5px; bottom: 5px; width: 7px; height: 7px; border-right: 2px solid var(--accent-2); border-bottom: 2px solid var(--accent-2); content: ""; }
.detail-brand strong { display: grid; font-family: Sora, "Segoe UI", sans-serif; font-size: 16px; font-weight: 800; line-height: 1; letter-spacing: .11em; }
.detail-brand strong::after { width: 28px; height: 1px; margin-top: 5px; background: linear-gradient(90deg,#55c9d2 0 70%,var(--accent-2) 70%); content: ""; }
.detail-nav { display: flex; align-items: center; gap: clamp(14px, 1.6vw, 26px); color: #99a9aa; font-size: 13px; font-weight: 650; }
.detail-nav a { position: relative; padding-block: 8px; }
.detail-nav a::after { position: absolute; right: 0; bottom: 0; left: 0; height: 1px; background: var(--accent); content: ""; transform: scaleX(0); transform-origin: right; transition: transform .22s ease; }
.detail-nav a:hover::after, .detail-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.detail-nav > a[aria-current="page"], .detail-nav .nav-group.is-current > .nav-group-toggle { color: var(--accent); }
.nav-group { position: relative; }
.nav-group-toggle { display: inline-flex; align-items: center; gap: 7px; padding: 8px 0; color: inherit; background: transparent; border: 0; font: inherit; cursor: pointer; }
.nav-group-toggle span { color: var(--accent); font-size: 10px; transition: transform .22s ease; }
.nav-group.is-expanded .nav-group-toggle span { transform: rotate(180deg); }
.nav-submenu { position: absolute; top: calc(100% + 18px); left: 50%; width: 270px; padding: 8px; visibility: hidden; opacity: 0; background: rgba(5,15,18,.98); border: 1px solid var(--line); box-shadow: 0 24px 60px rgba(0,0,0,.34); transform: translate(-50%,-7px); transition: opacity .2s ease, transform .2s ease, visibility .2s; }
.nav-group.is-expanded .nav-submenu, .nav-group:focus-within .nav-submenu { visibility: visible; opacity: 1; transform: translate(-50%,0); }
@media (hover: hover) { .nav-group:hover .nav-submenu { visibility: visible; opacity: 1; transform: translate(-50%,0); } }
.detail-nav .nav-submenu a { display: grid; gap: 5px; padding: 13px 14px; border: 0; }
.detail-nav .nav-submenu a::after { display: none; }
.nav-submenu a:hover, .nav-submenu a:focus-visible, .nav-submenu a[aria-current="page"] { color: var(--ink); background: var(--accent-soft); }
.nav-submenu b { font-size: 12px; }
.nav-submenu small { color: #718587; font-size: 10px; font-weight: 500; line-height: 1.5; }
.detail-actions { display: flex; justify-content: flex-end; align-items: center; gap: 18px; }
.detail-back { color: #7d9192; font: 700 9px/1 Consolas, monospace; letter-spacing: .13em; }
.detail-nav-toggle { display: none; }

.button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 20px;
  align-items: center;
  justify-content: center;
  gap: 28px;
  color: #07171b;
  background: var(--accent);
  border: 1px solid var(--accent);
  font-size: 12px;
  font-weight: 800;
  transition: color .2s ease, background .2s ease, transform .2s ease;
}
.button:hover, .button:focus-visible { color: var(--ink); background: transparent; transform: translateY(-2px); }
.button-ghost { color: var(--ink); background: transparent; border-color: var(--line); }
.button-ghost:hover, .button-ghost:focus-visible { color: #07171b; background: var(--accent); border-color: var(--accent); }
.kicker { color: var(--accent); font: 800 10px/1.4 Consolas, monospace; letter-spacing: .2em; }
.kicker span { color: var(--accent-2); }

.detail-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(430px, .97fr);
  min-height: 100svh;
  padding-top: 88px;
  background:
    radial-gradient(circle at 78% 18%, var(--accent-soft), transparent 32%),
    #061115;
}
.detail-hero::before { position: absolute; inset: 0; opacity: .3; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 86px 86px; content: ""; pointer-events: none; }
.hero-copy { position: relative; z-index: 1; display: flex; flex-direction: column; justify-content: center; padding: 80px max(46px, calc((100vw - 1460px) / 2)) 64px; }
.hero-copy h1 { max-width: 800px; margin-top: 28px; font-size: clamp(56px, 6.3vw, 104px); line-height: .98; letter-spacing: -.075em; }
.hero-copy h1 em { color: var(--accent); font-style: normal; }
.hero-lead { max-width: 620px; margin-top: 34px; color: #a7b4b4; font-size: clamp(15px, 1.15vw, 18px); line-height: 1.9; }
.hero-actions { display: flex; gap: 15px; margin-top: 38px; }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 650px; margin-top: auto; padding-top: 64px; }
.hero-facts li { min-height: 88px; padding: 14px 18px 14px 0; border-top: 1px solid var(--line); }
.hero-facts li + li { padding-left: 18px; border-left: 1px solid var(--line); }
.hero-facts b { display: block; margin-bottom: 9px; color: var(--accent); font: 800 10px/1 Consolas, monospace; letter-spacing: .08em; }
.hero-facts span { color: #8ea0a0; font-size: 12px; line-height: 1.55; }
.hero-media { position: relative; min-height: calc(100svh - 88px); overflow: hidden; background: var(--panel); }
.hero-media > img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.72) contrast(1.08) brightness(.78); }
.hero-media::after { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,17,21,.8), transparent 35%), linear-gradient(0deg, rgba(6,17,21,.82), transparent 38%); content: ""; }
.media-caption { position: absolute; z-index: 1; right: 28px; bottom: 28px; left: 28px; display: flex; justify-content: space-between; padding-top: 15px; color: #a7b8b7; border-top: 1px solid rgba(255,255,255,.24); font: 700 9px/1.4 Consolas, monospace; letter-spacing: .1em; }

.statement { padding: 136px 0; color: var(--paper-ink); background: var(--paper); }
.statement-grid { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: clamp(40px, 8vw, 120px); }
.section-no { color: #856018; font: 800 10px/1.4 Consolas, monospace; letter-spacing: .17em; }
.statement h2, .section-heading h2 { max-width: 1050px; font-size: clamp(42px, 5.2vw, 76px); line-height: 1.08; letter-spacing: -.065em; }
.statement-copy { display: grid; grid-template-columns: minmax(0, .8fr) minmax(260px, .45fr); gap: 70px; align-items: start; margin-top: 32px; }
.statement-copy > p { color: #5d6b6d; font-size: 16px; line-height: 1.9; }
.principles { border-top: 1px solid rgba(17,33,38,.16); }
.principles li { display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding: 15px 0; border-bottom: 1px solid rgba(17,33,38,.16); font-size: 13px; }
.principles span { color: #8b661e; font: 800 9px/1.6 Consolas, monospace; }

.evidence { padding: 132px 0; background: #07171b; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .42fr); gap: 80px; align-items: end; margin-bottom: 68px; }
.section-heading .kicker { margin-bottom: 20px; }
.section-heading > p { color: var(--muted); font-size: 15px; line-height: 1.85; }
.evidence-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.evidence-card { min-height: 300px; padding: 30px; background: linear-gradient(145deg, rgba(255,255,255,.025), transparent 66%); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.evidence-card > span { color: var(--accent); font: 800 9px/1 Consolas, monospace; letter-spacing: .14em; }
.evidence-card h3 { margin-top: 64px; font-size: 24px; letter-spacing: -.035em; }
.evidence-card p { margin-top: 15px; color: #8fa0a1; font-size: 13px; line-height: 1.8; }
.evidence-card strong { display: block; margin-top: 28px; color: var(--accent-2); font-size: 11px; }

.workflow { padding: 132px 0; color: var(--paper-ink); background: #e6e9e4; }
.workflow-list { margin-top: 72px; border-top: 1px solid rgba(17,33,38,.16); counter-reset: workflow; }
.workflow-list li { display: grid; grid-template-columns: 110px minmax(220px, .45fr) minmax(0, 1fr); gap: 40px; padding: 28px 0; align-items: start; border-bottom: 1px solid rgba(17,33,38,.16); counter-increment: workflow; }
.workflow-list li::before { color: #89641b; content: "0" counter(workflow); font: 800 10px/1.8 Consolas, monospace; }
.workflow-list h3 { font-size: 21px; letter-spacing: -.03em; }
.workflow-list p { color: #627173; font-size: 14px; line-height: 1.8; }

.architecture { padding: 132px 0; background: #061115; }
.architecture-map { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 70px; border: 1px solid var(--line); }
.architecture-node { position: relative; min-height: 210px; padding: 28px; background: linear-gradient(160deg, var(--accent-soft), transparent 62%); }
.architecture-node + .architecture-node { border-left: 1px solid var(--line); }
.architecture-node:not(:last-child)::after { position: absolute; z-index: 1; top: 50%; right: -10px; display: grid; width: 20px; height: 20px; color: var(--accent); background: #061115; border: 1px solid var(--line); content: "→"; place-items: center; font: 700 10px/1 Consolas, monospace; }
.architecture-node span { color: var(--accent); font: 800 9px/1 Consolas, monospace; letter-spacing: .13em; }
.architecture-node h3 { margin-top: 66px; font-size: 21px; }
.architecture-node p { margin-top: 11px; color: #8fa0a1; font-size: 12px; line-height: 1.7; }

.case-band { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 720px; background: var(--panel); }
.case-media { position: relative; overflow: hidden; }
.case-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.68) brightness(.8) contrast(1.08); }
.case-content { display: flex; flex-direction: column; justify-content: center; padding: 80px clamp(46px, 7vw, 118px); background-image: linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px); background-size: 74px 74px; }
.case-content h2 { margin-top: 24px; font-size: clamp(40px, 4.6vw, 68px); line-height: 1.08; letter-spacing: -.06em; }
.case-content > p { margin-top: 28px; color: #9aabab; font-size: 15px; line-height: 1.9; }
.case-specs { margin-top: 42px; border-top: 1px solid var(--line); }
.case-specs div { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.case-specs dt { color: var(--accent); font: 800 9px/1.7 Consolas, monospace; letter-spacing: .1em; }
.case-specs dd { color: #b1bdbc; font-size: 13px; line-height: 1.6; }

.portfolio { padding: 132px 0; background: #061115; }
.portfolio-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 16px; margin-top: 68px; }
.portfolio-card { position: relative; overflow: hidden; min-height: 330px; background: #0c1d22; border: 1px solid var(--line); }
.portfolio-card:first-child { grid-row: span 2; min-height: 676px; }
.portfolio-card::after { position: absolute; inset: 0; background: linear-gradient(to top, rgba(3,11,14,.96), transparent 56%); content: ""; }
.portfolio-card img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.52) brightness(.78); transition: filter .4s ease, transform .65s ease; }
.portfolio-card:hover img { filter: saturate(.9) brightness(.91); transform: scale(1.02); }
.portfolio-meta { position: absolute; z-index: 1; right: 26px; bottom: 24px; left: 26px; display: grid; grid-template-columns: 1fr auto; gap: 7px 20px; }
.portfolio-meta b { font-size: 20px; }
.portfolio-meta small { color: #849596; font: 700 8px/1 Consolas, monospace; letter-spacing: .14em; }
.portfolio-meta i { grid-row: 1 / span 2; grid-column: 2; color: var(--accent); font-size: 20px; font-style: normal; }

.detail-cta { position: relative; overflow: hidden; padding: 126px 0 92px; background: radial-gradient(circle at 80% 40%, var(--accent-soft), transparent 30%), #08191e; }
.detail-cta::before { position: absolute; inset: 0; opacity: .26; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 82px 82px; content: ""; }
.cta-inner { position: relative; z-index: 1; }
.detail-cta h2 { max-width: 980px; margin-top: 24px; font-size: clamp(48px, 6.2vw, 92px); line-height: 1.02; letter-spacing: -.07em; }
.cta-bottom { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-top: 76px; padding-top: 22px; border-top: 1px solid var(--line); }
.cta-bottom p { max-width: 620px; color: #839697; font-size: 14px; line-height: 1.8; }
.detail-footer { padding: 36px 0; color: #718486; background: #030c0f; border-top: 1px solid var(--line); font-size: 10px; }
.detail-footer-inner { display: grid; grid-template-columns: 1fr 1fr auto; gap: 40px; align-items: end; }
.detail-footer strong { color: #d9e1df; letter-spacing: .24em; }
.detail-footer address { font-style: normal; line-height: 1.8; }

.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .72s ease, transform .72s cubic-bezier(.2,.7,.2,1); }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  :root { --shell: min(calc(100vw - 44px), 980px); --reading: min(calc(100vw - 44px), 920px); }
  .detail-header { grid-template-columns: 1fr auto; }
  .detail-nav { position: fixed; z-index: 49; top: 87px; right: 22px; display: none; min-width: 240px; flex-direction: column; align-items: stretch; gap: 0; padding: 8px; background: rgba(5,15,18,.98); border: 1px solid var(--line); backdrop-filter: blur(18px); }
  .detail-nav.is-open { display: flex; }
  .detail-nav > a, .nav-group-toggle { width: 100%; padding: 13px 12px; text-align: left; }
  .nav-group-toggle { justify-content: space-between; }
  .nav-submenu, .nav-group.is-expanded .nav-submenu, .nav-group:focus-within .nav-submenu { position: static; width: auto; max-height: 0; padding: 0 8px; visibility: hidden; opacity: 1; overflow: hidden; background: rgba(255,255,255,.025); border: 0; box-shadow: none; transform: none; transition: max-height .25s ease, padding .25s ease, visibility .25s; }
  .nav-group.is-expanded .nav-submenu { max-height: 260px; padding: 6px 8px 9px; visibility: visible; }
  .detail-nav-toggle { display: grid; width: 40px; height: 40px; padding: 0 10px; background: transparent; border: 1px solid var(--line); place-content: center; gap: 6px; }
  .detail-nav-toggle > span:not(.sr-only) { display: block; width: 18px; height: 1px; background: var(--ink); }
  .detail-hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { min-height: 780px; padding-inline: max(22px, calc((100vw - 920px) / 2)); }
  .hero-media { min-height: 620px; }
  .statement-grid { grid-template-columns: 110px 1fr; }
  .section-heading { grid-template-columns: 1fr; gap: 28px; }
  .case-band { grid-template-columns: 1fr; }
  .case-media { min-height: 580px; }
}

@media (max-width: 720px) {
  :root { --shell: calc(100vw - 32px); --reading: calc(100vw - 32px); }
  body { word-break: normal; overflow-wrap: anywhere; }
  .detail-header, .detail-header.is-scrolled { left: 16px; width: calc(100vw - 32px); min-height: 72px; padding: 0; transform: none; }
  .detail-header.is-scrolled { left: 0; width: 100%; padding-inline: 16px; }
  .detail-brand-mark { width: 34px; height: 34px; }
  .detail-actions .button, .detail-back { display: none; }
  .detail-nav { position: fixed; z-index: 49; top: 71px; right: 16px; left: 16px; display: none; flex-direction: column; gap: 0; padding: 8px; background: rgba(5,15,18,.98); border: 1px solid var(--line); }
  .detail-nav.is-open { display: flex; }
  .detail-nav a { padding: 13px 12px; }
  .detail-hero { padding-top: 72px; }
  .hero-copy { min-height: 690px; padding: 70px 16px 40px; }
  .hero-copy h1 { font-size: clamp(39px, 11.2vw, 50px); }
  .theme-infra .hero-copy h1 em { font-size: .82em; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-facts { grid-template-columns: 1fr; padding-top: 50px; }
  .hero-facts li + li { padding-left: 0; border-left: 0; }
  .hero-media { min-height: 440px; }
  .statement, .evidence, .workflow, .architecture, .portfolio { padding: 90px 0; }
  .statement-grid { grid-template-columns: 1fr; gap: 24px; }
  .statement h2, .section-heading h2 { font-size: clamp(34px, 9.6vw, 45px); }
  .statement-copy { grid-template-columns: 1fr; gap: 32px; margin-top: 24px; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence-card { min-height: 250px; }
  .workflow-list { margin-top: 48px; }
  .workflow-list li { grid-template-columns: 44px 1fr; gap: 14px; }
  .workflow-list p { grid-column: 2; }
  .architecture-map { grid-template-columns: 1fr; }
  .architecture-node + .architecture-node { border-top: 1px solid var(--line); border-left: 0; }
  .architecture-node:not(:last-child)::after { top: auto; right: 24px; bottom: -10px; content: "↓"; }
  .case-media { min-height: 430px; }
  .case-content { padding: 78px 16px; }
  .case-specs div { grid-template-columns: 95px 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-card, .portfolio-card:first-child { grid-row: auto; min-height: 360px; }
  .detail-cta { padding: 92px 0 74px; }
  .detail-cta h2 { font-size: clamp(38px, 10.8vw, 52px); }
  .cta-bottom { align-items: stretch; flex-direction: column; margin-top: 58px; }
  .detail-footer-inner { grid-template-columns: 1fr; gap: 20px; align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}