:root {
  --ink: #07131f;
  --ink-2: #10283b;
  --blue: #2f6cff;
  --cyan: #78dcff;
  --paper: #f4f7f8;
  --white: #ffffff;
  --line: rgba(7, 19, 31, .15);
  --muted: #586773;
  --radius: 1.25rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}
a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
  padding: 0 5vw;
  color: var(--white);
  background: rgba(7, 19, 31, .9);
  border-bottom: 1px solid rgba(255,255,255,.1);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: baseline; gap: .5rem; text-decoration: none; }
.brand-mark { font: 800 1.28rem/1 "Manrope", sans-serif; letter-spacing: -.06em; }
.brand-name { font-size: .7rem; font-weight: 700; letter-spacing: .22em; opacity: .62; }
.main-nav { display: flex; align-items: center; gap: 2rem; }
.main-nav a { font-size: .9rem; font-weight: 600; text-decoration: none; }
.nav-cta { padding: .7rem 1rem; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; }
.menu-button { display: none; color: white; background: transparent; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; padding: .5rem .85rem; font: inherit; }

.hero {
  min-height: calc(100svh - 5rem);
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 5vw;
  align-items: center;
  overflow: hidden;
  padding: 7rem 5vw;
  color: var(--white);
  background:
    radial-gradient(circle at 86% 18%, rgba(47,108,255,.34), transparent 30%),
    linear-gradient(135deg, #07131f 0%, #0b1d2c 62%, #0c2638 100%);
}
.eyebrow { margin: 0 0 1rem; font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
.hero .eyebrow, .contact .eyebrow { color: var(--cyan); }
h1, h2, h3 { font-family: "Manrope", sans-serif; margin-top: 0; }
h1 { max-width: 10ch; margin-bottom: 1.5rem; font-size: clamp(3.8rem, 7.6vw, 7.9rem); line-height: .91; letter-spacing: -.075em; }
h1 span { color: var(--cyan); }
.hero-lead { max-width: 39rem; margin: 0; color: #c8d5df; font-size: clamp(1.08rem, 1.55vw, 1.35rem); }
.hero-actions { display: flex; align-items: center; gap: 1.8rem; margin-top: 2.4rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .8rem; min-height: 3.25rem; padding: .85rem 1.35rem; border-radius: 999px; font-weight: 700; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--blue); color: white; }
.text-link { font-weight: 700; text-decoration: none; }

.hero-system { position: relative; aspect-ratio: 1; width: min(100%, 37rem); justify-self: center; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; }
.hero-system::before { content: ""; position: absolute; inset: 10%; border-radius: inherit; border: 1px dashed rgba(120,220,255,.28); }
.system-label { position: absolute; top: 10%; left: 50%; transform: translateX(-50%); white-space: nowrap; color: #aabcc8; font-size: .75rem; letter-spacing: .13em; text-transform: uppercase; }
.system-core { position: absolute; inset: 32%; display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: 50%; color: #9fb2c0; background: rgba(255,255,255,.05); box-shadow: 0 0 70px rgba(47,108,255,.28); font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; }
.system-core strong { margin: .2rem 0; color: white; font: 800 clamp(1.05rem,2vw,1.5rem)/1 "Manrope"; letter-spacing: -.02em; }
.metric { position: absolute; display: flex; gap: .5rem; align-items: center; color: #d6e2e9; font-size: .8rem; }
.metric b { display: grid; place-items: center; width: 2.3rem; height: 2.3rem; border: 1px solid rgba(120,220,255,.5); border-radius: 50%; color: var(--cyan); }
.metric-one { top: 27%; left: -1%; }
.metric-two { top: 52%; right: -4%; }
.metric-three { bottom: 9%; left: 18%; }
.signal { position: absolute; width: .55rem; height: .55rem; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 20px var(--cyan); }
.signal-a { left: 17%; top: 49%; }
.signal-b { right: 20%; top: 24%; }
.signal-c { right: 28%; bottom: 14%; }

.proof-strip { display: grid; grid-template-columns: repeat(3,1fr); margin: 0; padding: 1.35rem 5vw; border-bottom: 1px solid var(--line); background: white; }
.proof-strip p { margin: 0; padding: .2rem 1.5rem; text-align: center; font-weight: 600; border-right: 1px solid var(--line); }
.proof-strip p:last-child { border-right: 0; }

.section { padding: clamp(5rem, 9vw, 9rem) 5vw; }
.section-intro { display: grid; grid-template-columns: .65fr 1.4fr 1fr; gap: 3vw; align-items: start; margin-bottom: 4rem; }
.section-intro h2, .approach h2, .about h2, .contact h2 { margin-bottom: 0; font-size: clamp(2.25rem, 4.4vw, 4.6rem); line-height: 1.03; letter-spacing: -.055em; }
.section-intro > p:last-child { margin: .5rem 0 0; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.service-card { min-height: 27rem; padding: 2rem; background: white; border: 1px solid var(--line); border-radius: var(--radius); }
.service-card.featured { color: white; background: var(--blue); border-color: var(--blue); transform: translateY(-1rem); }
.service-number { display: block; margin-bottom: 5rem; color: var(--blue); font: 700 .8rem/1 "Manrope"; }
.featured .service-number { color: var(--cyan); }
.service-card h3 { font-size: 1.6rem; letter-spacing: -.035em; }
.service-card p { color: var(--muted); }
.featured p { color: #dfe8ff; }
.service-card ul { list-style: none; padding: 1rem 0 0; margin: 1.5rem 0 0; border-top: 1px solid var(--line); }
.featured ul { border-color: rgba(255,255,255,.25); }
.service-card li { margin: .65rem 0; font-size: .92rem; }
.service-card li::before { content: "—"; margin-right: .6rem; color: var(--blue); }
.featured li::before { color: var(--cyan); }

.approach { display: grid; grid-template-columns: .8fr 1.2fr; gap: 7vw; color: white; background: var(--ink); }
.steps article { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 1.7rem 0; border-top: 1px solid rgba(255,255,255,.16); }
.steps article:last-child { border-bottom: 1px solid rgba(255,255,255,.16); }
.steps span { color: var(--cyan); font-weight: 700; }
.steps h3 { margin-bottom: .25rem; font-size: 1.25rem; }
.steps p { margin: 0; color: #9fb2c0; }

.about { display: grid; grid-template-columns: 1.15fr .85fr; gap: 8vw; align-items: end; }
.about-panel > p:last-child { max-width: 46rem; margin-top: 2rem; color: var(--muted); font-size: 1.15rem; }
blockquote { margin: 0; padding: 2rem 0 0; border-top: 3px solid var(--blue); }
blockquote p { font: 700 clamp(1.7rem,3vw,2.8rem)/1.18 "Manrope"; letter-spacing: -.045em; }
blockquote cite { color: var(--muted); font-size: .85rem; font-style: normal; }

.contact { display: flex; justify-content: space-between; align-items: end; gap: 3rem; margin: 0 5vw 5vw; padding: clamp(3rem,6vw,6rem); color: white; background: var(--blue); border-radius: calc(var(--radius) * 1.4); }
.contact h2 { max-width: 12ch; }
.button-light { flex: 0 0 auto; color: var(--ink); background: white; }

footer { display: grid; grid-template-columns: .7fr 1.5fr .7fr; gap: 2rem; align-items: center; padding: 2rem 5vw 3rem; color: var(--muted); font-size: .82rem; }
.footer-brand { color: var(--ink); }
footer p:last-child { text-align: right; }

@media (max-width: 850px) {
  .menu-button { display: block; }
  .main-nav { position: absolute; inset: 5rem 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 1rem 5vw 1.5rem; background: var(--ink); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: .85rem 0; }
  .nav-cta { margin-top: .5rem; text-align: center; }
  .hero { grid-template-columns: 1fr; padding-top: 5rem; }
  .hero-system { width: min(90vw, 31rem); margin-top: 1rem; }
  .proof-strip { grid-template-columns: 1fr; }
  .proof-strip p { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-strip p:last-child { border-bottom: 0; }
  .section-intro { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .service-card.featured { transform: none; }
  .service-number { margin-bottom: 3rem; }
  .approach, .about { grid-template-columns: 1fr; }
  .contact { flex-direction: column; align-items: flex-start; }
  footer { grid-template-columns: 1fr; }
  footer p { margin: 0; }
  footer p:last-child { text-align: left; }
}

@media (max-width: 520px) {
  h1 { font-size: clamp(3.5rem, 18vw, 5rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-system { margin-left: 1rem; transform: scale(.93); }
  .metric-two { right: -2%; }
  .contact { margin: 0; border-radius: 0; }
}

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