:root {
  --ink: #091426;
  --navy: #06101e;
  --blue: #2e64ff;
  --blue-bright: #5f87ff;
  --muted: #667286;
  --line: #e2e7ef;
  --soft: #f5f7fa;
  --white: #fff;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; }
a { color: inherit; text-decoration: none; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 48px));
  height: 92px;
  margin: 0 auto;
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 18px; font-weight: 820; letter-spacing: -.03em; }
.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  color: white;
  background: var(--blue);
  box-shadow: 0 8px 22px rgba(46, 100, 255, .25);
}
.brand-mark sup, .visual-core sup { position: absolute; top: 4px; right: 6px; font-size: 8px; }
.site-header nav { display: flex; align-items: center; gap: 31px; color: #49566b; font-size: 13px; font-weight: 650; }
.site-header nav a:hover { color: var(--blue); }

main { overflow: hidden; }
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: 50px;
  width: min(1180px, calc(100% - 48px));
  min-height: 650px;
  margin: 0 auto;
  padding: 55px 0 95px;
}
.eyebrow { margin: 0 0 13px; color: var(--blue); font-size: 11px; font-weight: 820; letter-spacing: .16em; text-transform: uppercase; }
.hero h1 { margin: 0; font-size: clamp(54px, 7.3vw, 90px); line-height: .96; letter-spacing: -.075em; }
.hero h1 span { color: var(--blue); }
.hero-text { max-width: 650px; margin: 30px 0 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 13px; margin-top: 34px; }
.primary-action, .secondary-action { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 49px; padding: 0 20px; border-radius: 12px; font-size: 13px; font-weight: 760; }
.primary-action { color: white; background: var(--blue); box-shadow: 0 12px 30px rgba(46,100,255,.25); }
.primary-action:hover { background: #174fe9; transform: translateY(-1px); }
.secondary-action { border: 1px solid var(--line); color: #455168; background: white; }
.secondary-action:hover { border-color: #b4c3ef; color: var(--blue); }

.hero-visual { position: relative; width: 430px; height: 430px; justify-self: end; }
.hero-visual::before { content: ""; position: absolute; inset: 36px; border-radius: 50%; background: radial-gradient(circle at 37% 30%, #4778ff, #1233a0 66%, #071432); box-shadow: 0 35px 80px rgba(30,67,190,.25); }
.orbit { position: absolute; inset: 0; border: 1px solid rgba(46,100,255,.18); border-radius: 50%; }
.orbit-one { transform: scaleY(.72) rotate(22deg); }
.orbit-two { transform: scaleX(.72) rotate(-22deg); }
.visual-core { position: absolute; inset: 50%; display: grid; place-items: center; width: 90px; height: 90px; margin: -45px; border: 1px solid rgba(255,255,255,.32); border-radius: 27px; color: white; background: rgba(255,255,255,.14); backdrop-filter: blur(12px); font-size: 45px; font-weight: 850; }
.visual-core sup { top: 10px; right: 14px; font-size: 12px; }
.visual-note { position: absolute; padding: 9px 13px; border: 1px solid rgba(255,255,255,.78); border-radius: 10px; color: #30405b; background: rgba(255,255,255,.9); box-shadow: 0 12px 30px rgba(9,20,38,.12); font-size: 11px; font-weight: 780; backdrop-filter: blur(10px); }
.note-one { top: 72px; left: 0; }
.note-two { right: -2px; top: 200px; }
.note-three { bottom: 59px; left: 46px; }

.projects { padding: 105px max(24px, calc((100vw - 1180px) / 2)); background: var(--navy); }
.section-intro { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 50px; margin-bottom: 45px; color: white; }
.section-intro .eyebrow { grid-column: 1 / -1; margin-bottom: -27px; color: #7896ff; }
.section-intro h2 { margin: 0; max-width: 520px; font-size: clamp(34px, 4.5vw, 55px); line-height: 1.02; letter-spacing: -.055em; }
.section-intro > p:last-child { margin: 0; color: #8794a8; font-size: 15px; line-height: 1.75; }
.project-grid { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 15px; }
.project-card { position: relative; min-height: 350px; padding: 28px; overflow: hidden; border: 1px solid #1a293e; border-radius: 20px; color: white; background: #0a1728; }
.project-card.featured { background: linear-gradient(145deg, #14358e, #234ff1); border-color: transparent; }
.project-number { position: absolute; right: 24px; top: 19px; color: rgba(255,255,255,.16); font-size: 52px; font-weight: 850; letter-spacing: -.08em; }
.project-tag { display: inline-flex; padding: 6px 9px; border-radius: 999px; color: #aebbd0; background: rgba(255,255,255,.07); font-size: 10px; font-weight: 760; letter-spacing: .06em; text-transform: uppercase; }
.featured .project-tag { color: #dce5ff; background: rgba(255,255,255,.13); }
.project-card h3 { margin: 89px 0 13px; font-size: 30px; letter-spacing: -.045em; }
.project-card p { max-width: 370px; margin: 0; color: #8f9caf; font-size: 13px; line-height: 1.65; }
.featured p { color: #d1dcff; }
.project-card a, .quiet-link { position: absolute; left: 28px; bottom: 28px; color: white; font-size: 12px; font-weight: 760; }
.project-card a { display: inline-flex; gap: 12px; }
.project-card a:hover { gap: 17px; }
.quiet-link { color: #66758a; }
.future-card { background: repeating-linear-gradient(135deg, #091625, #091625 12px, #0b192a 12px, #0b192a 24px); }

.principle { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 85px; width: min(1180px, calc(100% - 48px)); min-height: 470px; margin: 0 auto; padding: 80px 0; }
.principle h2 { margin: 0; font-size: clamp(38px, 5vw, 62px); line-height: 1.06; letter-spacing: -.06em; }
.principle > p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.8; }

.contact { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 85px; padding: 90px max(24px, calc((100vw - 1180px) / 2)); background: var(--soft); border-top: 1px solid var(--line); }
.contact h2 { margin: 0; max-width: 720px; font-size: clamp(36px, 4.6vw, 58px); line-height: 1.04; letter-spacing: -.055em; }
.contact-copy { display: grid; justify-items: start; gap: 24px; }
.contact-copy p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }

footer { display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 27px; padding: 28px max(24px, calc((100vw - 1180px) / 2)); border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.footer-brand { color: var(--ink); font-size: 14px; }
.footer-brand .brand-mark { width: 31px; height: 31px; border-radius: 9px; }
footer p { margin: 0; }
.system-status { display: inline-flex; align-items: center; gap: 7px; }
.system-status span { width: 7px; height: 7px; border-radius: 50%; background: #e9a23b; box-shadow: 0 0 0 4px rgba(233,162,59,.12); }
.system-status.online span { background: #34b987; box-shadow: 0 0 0 4px rgba(52,185,135,.12); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 80px; }
  .hero-visual { width: 360px; height: 360px; justify-self: center; }
  .section-intro, .principle, .contact { grid-template-columns: 1fr; gap: 24px; }
  .section-intro .eyebrow { margin-bottom: 0; }
  .project-grid { grid-template-columns: 1fr 1fr; }
  .project-card:first-child { grid-column: 1 / -1; }
  footer { grid-template-columns: auto 1fr; }
}

@media (max-width: 600px) {
  .site-header { width: calc(100% - 30px); height: 74px; }
  .site-header nav { gap: 13px; font-size: 11px; }
  .site-header nav a:nth-child(2), .site-header nav a:nth-child(3) { display: none; }
  .hero { width: calc(100% - 30px); min-height: auto; padding: 70px 0 75px; }
  .hero h1 { font-size: 52px; }
  .hero-text { font-size: 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-visual { width: 300px; height: 300px; }
  .visual-note { font-size: 9px; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card:first-child { grid-column: auto; }
  .principle { width: calc(100% - 30px); }
  footer { grid-template-columns: 1fr; gap: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
