:root {
  --navy: #1a2d40;
  --ink: #2d3e50;
  --ink-soft: #5a6b7c;
  --slate: #5c8ab4;
  --slate-deep: #456a8e;
  --copper: #c07d53;
  --gold: #d4a017;
  --fog: #eef2f5;
  --paper: #f4f6f8;
  --line: rgba(45, 62, 80, 0.14);
  --font-display: "Syne", sans-serif;
  --font-body: "Source Sans 3", sans-serif;
  --measure: 40rem;
  --header-height: 4.25rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--slate-deep);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--navy);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 20;
  padding: 0.5rem 0.75rem;
  background: var(--navy);
  color: var(--fog);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.hero {
  position: relative;
  display: grid;
  overflow: hidden;
  isolation: isolate;
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 5;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-height);
  padding: 0.45rem clamp(1rem, 4vw, 3rem);
  background: transparent;
  border: none;
  pointer-events: none;
}

.site-header > * {
  pointer-events: auto;
}

.header-brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  margin-top: 0.2rem;
}

.header-brand img {
  width: clamp(9.5rem, 22vw, 13.75rem);
  height: auto;
  mix-blend-mode: multiply;
}

.site-nav {
  position: absolute;
  top: 0.35rem;
  right: clamp(0.65rem, 2vw, 1.25rem);
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
}

.site-nav a {
  color: var(--navy);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  text-shadow: 0 1px 0 rgba(238, 242, 245, 0.55);
}

.site-nav a:hover {
  color: var(--slate-deep);
}

.hero-plane {
  position: relative;
  width: 100%;
  height: 25svh;
  min-height: 7.5rem;
  max-height: 14rem;
  overflow: hidden;
}

.hero-horizon {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.radar-glow {
  animation: pulse-glow 7s ease-in-out infinite;
}

.radar-arc {
  stroke-dasharray: 8 10;
  animation: drift-arc 18s linear infinite;
}

.radar-arc-delay {
  animation-duration: 24s;
  animation-direction: reverse;
}

.scan-beam {
  transform-origin: 720px 620px;
  animation: sweep 8s linear infinite alternate;
}

@keyframes pulse-glow {
  0%,
  100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

@keyframes drift-arc {
  from {
    stroke-dashoffset: 0;
  }
  to {
    stroke-dashoffset: 120;
  }
}

@keyframes sweep {
  from {
    transform: rotate(-90deg);
  }
  to {
    transform: rotate(90deg);
  }
}

.hero-copy {
  width: min(100%, 42rem);
  padding: clamp(1.75rem, 4vh, 2.75rem) clamp(1rem, 4vw, 3rem) clamp(2rem, 5vh, 3.25rem);
  animation: rise-in 900ms ease-out both;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.brand {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--navy);
}

.hero h1 {
  margin: 0 0 1rem;
  max-width: 16ch;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.4vw, 2.35rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.lede {
  margin: 0 0 1.75rem;
  max-width: 34ch;
  font-size: 1.125rem;
  color: var(--ink-soft);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  align-items: center;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 1.15rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.cta-primary {
  background: var(--navy);
  color: var(--fog);
}

.cta-primary:hover {
  background: var(--slate-deep);
  color: var(--fog);
}

.cta-secondary {
  background: transparent;
  color: var(--navy);
  border-color: rgba(45, 62, 80, 0.35);
}

.cta-secondary:hover {
  border-color: var(--copper);
  color: var(--navy);
}

.section {
  width: min(100%, 68rem);
  margin: 0 auto;
  padding: clamp(3.5rem, 10vh, 6.5rem) clamp(1rem, 4vw, 3rem);
}

.section-label {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-deep);
}

.section h2 {
  margin: 0 0 1.25rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--navy);
}

.section-body {
  margin: 0;
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: 1.125rem;
}

.mission {
  border-top: 1px solid var(--line);
}

.approach {
  background: linear-gradient(
    180deg,
    rgba(92, 138, 180, 0.08) 0%,
    rgba(244, 246, 248, 0) 100%
  );
}

.blurb-stack {
  display: grid;
  gap: 2rem;
  margin-top: 2.25rem;
}

@media (min-width: 800px) {
  .blurb-stack {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
}

.blurb {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.blurb h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
}

.blurb p {
  margin: 0;
  color: var(--ink-soft);
}

.contact {
  border-top: 1px solid var(--line);
}

.contact-intro {
  margin-bottom: 2rem;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
  max-width: 28rem;
}

.contact-list li {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.contact-kind {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-deep);
}

.contact-list a {
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--navy);
}

.contact-list a:hover {
  color: var(--slate-deep);
}

.site-footer {
  padding: 1.5rem clamp(1rem, 4vw, 3rem) 2.5rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
  border-top: 1px solid var(--line);
  background: var(--fog);
}

.footer-inner {
  width: min(100%, 68rem);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-seal {
  width: 3.5rem;
  height: auto;
  flex-shrink: 0;
  border-radius: 50%;
}

.site-footer p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-copy,
  .radar-glow,
  .radar-arc,
  .scan-beam {
    animation: none;
  }
}