:root {
  --ink: #07111f;
  --ink-soft: #324155;
  --paper: #f6f8fb;
  --line: #dce3ec;
  --accent: #52f2c5;
  --accent-deep: #0cae86;
  --white: #ffffff;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  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; }

.page-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  overflow: hidden;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  padding: 0 clamp(24px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 35px;
  height: 35px;
  place-items: center;
  border-radius: 9px;
  background: var(--ink);
  color: var(--accent);
  font-family: Georgia, serif;
  font-size: 1.1rem;
}

nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 38px); }
nav a { color: var(--ink-soft); font-size: 0.9rem; font-weight: 600; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--ink); }
.nav-contact { padding: 9px 16px; border: 1px solid var(--ink); border-radius: 999px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  min-height: 690px;
  padding: clamp(70px, 10vw, 140px) clamp(24px, 5vw, 72px);
  gap: clamp(50px, 8vw, 120px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--accent-deep);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 30px;
  font-size: clamp(3.4rem, 7vw, 7.6rem);
  font-weight: 760;
  letter-spacing: -0.075em;
  line-height: 0.91;
}

h1 span { color: transparent; -webkit-text-stroke: 1.5px var(--ink); }

.hero-text {
  max-width: 620px;
  margin-bottom: 38px;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  line-height: 1.55;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 230px;
  padding: 14px 19px;
  border-radius: 7px;
  background: var(--ink);
  color: var(--white);
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease;
}

.primary-button:hover { transform: translateY(-2px); background: #13233a; }
.primary-button span { color: var(--accent); font-size: 1.2rem; }

.signal-card {
  position: relative;
  min-height: 470px;
  padding: 34px;
  overflow: hidden;
  border-radius: 22px;
  background: var(--ink);
  box-shadow: 0 32px 70px rgba(7, 17, 31, 0.18);
  color: var(--white);
}

.signal-grid {
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image: linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, #000, transparent 80%);
}

.signal-orbit { position: absolute; border: 1px solid rgba(82,242,197,.38); border-radius: 50%; }
.orbit-one { width: 265px; height: 265px; top: 60px; right: -30px; }
.orbit-two { width: 180px; height: 180px; top: 102px; right: 12px; }

.signal-core {
  position: absolute;
  top: 154px;
  right: 65px;
  display: grid;
  width: 74px;
  height: 74px;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: var(--ink);
  font-weight: 850;
  letter-spacing: -0.06em;
}

.signal-card p {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  margin: 0;
  padding: 15px 0;
  border-top: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.8);
  font-size: 0.9rem;
}

.signal-card p:first-of-type { margin-top: 315px; }
.signal-card p span { color: var(--accent); font-variant-numeric: tabular-nums; }

.work-section, .about-section, .contact-section {
  padding: clamp(80px, 10vw, 140px) clamp(24px, 5vw, 72px);
}

.work-section { background: var(--white); }
.section-heading { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; align-items: end; margin-bottom: 70px; }
.section-heading .eyebrow { margin-bottom: 8px; }

h2 {
  margin-bottom: 0;
  font-size: clamp(2.5rem, 5vw, 5.2rem);
  font-weight: 730;
  letter-spacing: -0.065em;
  line-height: 1;
}

.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.capability-grid article { padding: 34px 34px 18px 0; }
.capability-grid article + article { padding-left: 34px; border-left: 1px solid var(--line); }
.index { color: var(--accent-deep); font-size: 0.8rem; font-weight: 800; }
h3 { margin: 55px 0 15px; font-size: 1.4rem; letter-spacing: -0.025em; }
.capability-grid p { max-width: 340px; color: var(--ink-soft); }

.about-section { background: #eaf0f7; }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(50px, 10vw, 150px); align-items: start; }
.about-copy { padding-top: 8px; }
.about-copy p { color: var(--ink-soft); font-size: 1.12rem; }
.about-copy p + p { margin-top: 26px; }

.contact-section { background: var(--ink); color: var(--white); }
.contact-section .eyebrow { color: var(--accent); }
.contact-section a {
  display: inline-flex;
  gap: 16px;
  margin-top: 58px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--accent);
  color: var(--accent);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 650;
  text-decoration: none;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 38px;
  padding: 32px clamp(24px, 5vw, 72px);
  background: var(--ink);
  border-top: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.58);
}
footer p { margin: 0; font-size: 0.78rem; }
.footer-brand { color: var(--white); }
.footer-brand .brand-mark { background: var(--accent); color: var(--ink); }

@media (max-width: 850px) {
  .site-header { min-height: 76px; }
  nav a:not(.nav-contact) { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .signal-card { min-height: 430px; }
  .section-heading, .about-layout { grid-template-columns: 1fr; }
  .section-heading { gap: 15px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article, .capability-grid article + article { padding: 30px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  h3 { margin-top: 22px; }
  footer { grid-template-columns: 1fr; gap: 13px; }
}

@media (max-width: 480px) {
  h1 { font-size: 3.15rem; }
  .hero { padding-top: 72px; }
  .signal-card { min-height: 410px; padding: 26px; }
  .signal-card p:first-of-type { margin-top: 285px; }
  .orbit-one { right: -65px; }
  .orbit-two { right: -23px; }
  .signal-core { right: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}