:root {
  color-scheme: dark;
  --bg: #07090c;
  --surface: #0d1116;
  --surface-2: #111820;
  --white: #f7f9fb;
  --muted: #9aa5af;
  --cyan: #08aeea;
  --cyan-light: #53c9f4;
  --line: rgba(255,255,255,.12);
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  min-height: 82px;
  background: rgba(7,9,12,.84);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0 calc((100vw - 100%) / -2);
  z-index: -1;
  background: rgba(7,9,12,.84);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: .9rem; font-weight: 800; letter-spacing: .13em; }
.brand-mark { position: relative; width: 31px; height: 31px; display: inline-block; }
.brand-mark i { position: absolute; border-radius: 50%; border: 1px solid rgba(255,255,255,.3); }
.brand-mark i:nth-child(1) { inset: 0; background: #111; }
.brand-mark i:nth-child(2) { width: 18px; height: 18px; right: 0; bottom: 0; background: #fff; }
.brand-mark i:nth-child(3) { width: 10px; height: 10px; right: 0; bottom: 0; background: var(--cyan); border-color: var(--cyan); }
nav { display: flex; gap: 32px; align-items: center; }
nav a { font-size: .9rem; color: #c4ccd3; transition: color .2s ease; }
nav a:hover { color: var(--white); }
.nav-cta { color: var(--cyan) !important; }

.hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  min-height: calc(100svh - 82px);
  padding: 76px 0 84px;
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow, .kicker { margin: 0 0 24px; color: #d8dfe5; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; font-size: .78rem; }
.eyebrow span, .kicker, h1 em, .contact h2 span, .footer-brand em { color: var(--cyan); font-style: normal; }
h1 { margin: 0; max-width: 750px; font-size: clamp(3.25rem, 6.2vw, 6.2rem); line-height: .98; letter-spacing: -.055em; font-weight: 760; }
.lead { max-width: 650px; margin: 30px 0 0; color: #b6c0c8; font-size: clamp(1.1rem, 1.7vw, 1.35rem); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 25px; border: 1px solid transparent; border-radius: 4px; font-weight: 750; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.primary { background: var(--cyan); color: #00131b; }
.primary:hover { background: var(--cyan-light); }
.secondary { border-color: rgba(255,255,255,.25); color: var(--white); }
.secondary:hover { border-color: rgba(255,255,255,.55); }
.proof { display: flex; gap: 34px; margin-top: 62px; padding-top: 24px; border-top: 1px solid var(--line); }
.proof div { display: grid; gap: 1px; }
.proof strong { font-size: .95rem; }
.proof span { color: var(--muted); font-size: .78rem; }
.hero-visual {
  position: relative;
  justify-self: end;
  width: min(47vw, 590px);
}
.hero-visual img { position: relative; z-index: 2; filter: drop-shadow(0 28px 34px rgba(0,0,0,.62)); }
.orb-glow { position: absolute; width: 62%; aspect-ratio: 1; right: 4%; bottom: 8%; border-radius: 50%; background: rgba(8,174,234,.22); filter: blur(60px); }

.section { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; padding: 120px 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 1fr 2fr; gap: 32px 70px; align-items: start; margin-bottom: 58px; }
.section-heading .kicker { grid-row: span 2; }
.section-heading h2, .approach-copy h2, .contact h2 { margin: 0; font-size: clamp(2.25rem, 4.3vw, 4.35rem); line-height: 1.05; letter-spacing: -.045em; }
.section-heading > p:last-child { max-width: 650px; margin: 0; color: var(--muted); font-size: 1.08rem; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--line); }
.service-card { min-height: 280px; padding: 36px; background: linear-gradient(145deg, rgba(255,255,255,.025), transparent 60%); }
.service-card:nth-child(odd) { border-right: 1px solid var(--line); }
.service-card:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
.number { display: block; margin-bottom: 55px; color: var(--cyan); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .8rem; }
.service-card h3 { margin: 0 0 14px; font-size: 1.35rem; }
.service-card p { max-width: 480px; margin: 0; color: var(--muted); }

.approach-panel { display: grid; grid-template-columns: .8fr 1.2fr; min-height: 670px; overflow: hidden; background: var(--surface); border: 1px solid var(--line); }
.approach-art {
  --black-x: 0px;
  --black-y: 0px;
  --white-x: 0px;
  --white-y: 0px;
  --cyan-x: 0px;
  --cyan-y: 0px;
  --shadow-opacity: .18;
  --shadow-scale: .72;
  position: relative;
  min-height: 500px;
  overflow: hidden;
  background: radial-gradient(circle at 35% 30%, #1d252d 0, #090c10 63%);
}
.approach-art::after {
  content: "";
  position: absolute;
  z-index: 0;
  left: 10%;
  bottom: 22px;
  width: 80%;
  height: 74px;
  border-radius: 50%;
  background: rgba(185,194,202,.26);
  filter: blur(20px);
  opacity: var(--shadow-opacity);
  transform: scaleX(var(--shadow-scale));
}
.circle { position: absolute; z-index: 1; border-radius: 50%; will-change: transform; box-shadow: inset -18px -24px 45px rgba(0,0,0,.42), inset 12px 12px 24px rgba(255,255,255,.18), 0 32px 38px rgba(0,0,0,.48); }
.circle::after { content: ""; position: absolute; width: 38%; height: 18%; left: 18%; top: 12%; border-radius: 50%; background: rgba(255,255,255,.27); filter: blur(12px); transform: rotate(-24deg); }
.circle-black { width: 430px; aspect-ratio: 1; left: -120px; top: 60px; background: #050506; border: 1px solid #353a3e; transform: translate3d(var(--black-x), var(--black-y), 0); }
.circle-white { z-index: 2; width: 255px; aspect-ratio: 1; right: -40px; bottom: 50px; background: #f7f7f5; transform: translate3d(var(--white-x), var(--white-y), 0); }
.circle-cyan { z-index: 3; width: 145px; aspect-ratio: 1; right: 30px; bottom: 4px; background: var(--cyan); transform: translate3d(var(--cyan-x), var(--cyan-y), 0); }
.circle-cyan::before {
  content: "blt";
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 51%;
  color: #090b0e;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.09em;
  text-shadow: 0 2px 2px rgba(255,255,255,.14), 0 3px 4px rgba(0,0,0,.35);
  transform: translate(-50%, -50%) rotate(-20deg);
  transform-origin: center;
}
.approach-copy { padding: clamp(44px, 7vw, 90px); }
.approach-copy > p:not(.kicker) { margin: 24px 0 42px; color: var(--muted); font-size: 1.08rem; }
.approach-copy ol { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.approach-copy li { display: flex; gap: 22px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); }
.approach-copy li > span { color: var(--cyan); font: .78rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.approach-copy li div { display: flex; flex-wrap: wrap; align-items: baseline; gap: 5px 12px; }
.approach-copy li p { margin: 0; color: var(--muted); }

.experience { padding-bottom: 100px; }
.section-heading.compact { grid-template-columns: 1fr 2fr; }
.experience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 42px 0; border-top: 1px solid var(--line); }
.experience-grid p { margin: 0; color: #b8c1c8; font-size: 1.08rem; }
.capabilities { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.capabilities span { padding: 9px 14px; border: 1px solid var(--line); border-radius: 99px; color: #cbd2d8; font-size: .84rem; }
.capabilities span:nth-child(3n+1) { border-color: rgba(8,174,234,.38); color: #d7f3fd; }

.contact { display: grid; grid-template-columns: 1.4fr .6fr; gap: 80px; width: min(calc(100% - 48px), var(--max)); margin: 0 auto 48px; padding: 90px; background: linear-gradient(135deg, #111820, #0b0e12 70%); border: 1px solid rgba(8,174,234,.3); }
.contact-actions { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; }
.contact-actions p { margin: 0 0 24px; color: var(--muted); }
.contact-links { display: grid; width: min(100%, 390px); gap: 12px; }
.contact-button {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 58px;
  padding: 10px 18px;
  background: var(--cyan);
  color: #00131b;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 4px;
  transition: transform .2s ease, background .2s ease;
}
.contact-button:hover { background: var(--cyan-light); transform: translateY(-2px); }
.contact-icon { display: grid; place-items: center; width: 34px; height: 34px; }
.contact-icon svg { width: 27px; height: 27px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.linkedin-icon svg { width: 25px; height: 25px; fill: currentColor; stroke: none; }
.contact-button strong { min-width: 0; white-space: nowrap; font-size: .94rem; }
.contact-button i { font-style: normal; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

footer { display: flex; justify-content: space-between; gap: 32px; width: min(calc(100% - 48px), var(--max)); margin: 0 auto; padding: 36px 0 50px; border-top: 1px solid var(--line); color: var(--muted); font-size: .8rem; }
.footer-brand { display: flex; flex-direction: column; }
.footer-brand strong { color: var(--white); letter-spacing: .12em; }
.footer-meta { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 28px; align-items: end; }

@media (max-width: 900px) {
  .site-header { width: min(calc(100% - 34px), var(--max)); min-height: 70px; }
  nav a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; width: min(calc(100% - 34px), var(--max)); padding-top: 60px; }
  .hero-visual { grid-row: 1; justify-self: center; width: min(78vw, 460px); margin-bottom: 24px; }
  h1 { font-size: clamp(3rem, 12vw, 5.2rem); }
  .section { width: min(calc(100% - 34px), var(--max)); padding: 90px 0; }
  .section-heading, .section-heading.compact { grid-template-columns: 1fr; }
  .section-heading .kicker { grid-row: auto; }
  .approach-panel { grid-template-columns: 1fr; }
  .approach-art { min-height: 460px; }
  .contact { grid-template-columns: 1fr; gap: 45px; width: min(calc(100% - 34px), var(--max)); padding: 56px 42px; }
}

@media (max-width: 620px) {
  .site-header { min-height: 64px; }
  .brand { font-size: .78rem; }
  .hero { min-height: auto; padding: 40px 0 74px; }
  .hero-visual { width: 76vw; margin-bottom: 8px; }
  .eyebrow { margin-bottom: 17px; }
  h1 { font-size: clamp(2.85rem, 14.5vw, 4.5rem); }
  .lead { font-size: 1.05rem; }
  .proof { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 44px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card:nth-child(odd) { border-right: 0; }
  .service-card { min-height: 0; border-bottom: 1px solid var(--line); }
  .service-card:last-child { border-bottom: 0; }
  .number { margin-bottom: 34px; }
  .approach-art { min-height: 360px; }
  .circle-black { width: 330px; left: -120px; }
  .circle-white { width: 190px; }
  .circle-cyan { width: 110px; }
  .circle-cyan::before { font-size: 2.5rem; }
  .approach-copy { padding: 38px 26px; }
  .experience-grid { grid-template-columns: 1fr; }
  .contact { padding: 42px 26px; }
  .contact-links { width: 100%; }
  .contact-button { grid-template-columns: 34px minmax(0, 1fr); gap: 11px; padding-inline: 12px; }
  .contact-button strong { font-size: .8rem; }
  footer, .footer-meta { flex-direction: column; align-items: flex-start; }
  .footer-meta { gap: 6px; }
}

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