:root {
  --bg: #07131b;
  --bg-alt: #0d1f2a;
  --card: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.12);
  --text: #edf7fb;
  --muted: #a9c2cf;
  --aqua: #75f0d3;
  --aqua-deep: #1f9f90;
  --ink: #061017;
  --heading: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --body: Aptos, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(117, 240, 211, 0.14), transparent 35%),
    linear-gradient(180deg, #061018 0%, #09161f 45%, #07131b 100%);
  color: var(--text);
  font-family: var(--body);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  backdrop-filter: blur(18px);
  background: rgba(6, 16, 24, 0.7);
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-family: var(--heading);
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

nav a:hover,
.contact-card a:hover {
  color: var(--aqua);
}

main {
  padding: 0 2rem 4rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.9fr);
  gap: 2rem;
  align-items: stretch;
  padding: 5rem 0 4rem;
}

.hero-copy {
  padding: 2rem 0;
}

.eyebrow,
.section-label,
.panel-label,
.timeline-item span {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--aqua);
}

h1,
h2,
h3 {
  font-family: var(--heading);
  font-weight: 400;
  line-height: 1.12;
  margin: 0;
}

h1 {
  margin-top: 1rem;
  font-size: clamp(2.8rem, 7vw, 5.4rem);
  max-width: 14ch;
}

.lede {
  max-width: 58ch;
  font-size: 1.08rem;
  color: var(--muted);
  margin: 1.5rem 0 0;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.button-solid {
  background: var(--aqua);
  color: var(--ink);
}

.button-solid:hover {
  background: #8ff5de;
}

.button-ghost {
  border-color: rgba(117, 240, 211, 0.35);
  color: var(--aqua);
}

.button-ghost:hover {
  background: rgba(117, 240, 211, 0.1);
}

.hero-panel,
.contact-card {
  display: grid;
  gap: 1rem;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.24);
}

.panel-card,
.contact-card > div {
  padding: 1.1rem 1.15rem;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.panel-card strong,
.contact-card strong {
  display: block;
  margin-top: 0.55rem;
  font-size: 1rem;
}

.section {
  padding: 4rem 0;
  border-top: 1px solid var(--line);
}

.section-alt {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 28px;
  padding: 4rem 1.5rem;
}

.section-copy {
  max-width: 60rem;
  margin-bottom: 2rem;
}

.section-copy h2 {
  margin-top: 0.85rem;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
}

.section-copy p {
  max-width: 62ch;
  color: var(--muted);
  font-size: 1rem;
  margin-top: 1rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.timeline-item {
  padding: 1.4rem;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.card h3,
.timeline-item h3 {
  margin-top: 0.8rem;
  font-size: 1.35rem;
}

.card p,
.timeline-item p {
  margin: 0.9rem 0 0;
  color: var(--muted);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.section-contact {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 2rem;
  align-items: start;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 2rem 2.5rem;
  font-size: 0.88rem;
  color: var(--muted);
}

@media (max-width: 960px) {
  .hero,
  .section-contact,
  .timeline,
  .three-up {
    grid-template-columns: 1fr;
  }

  nav {
    gap: 0.9rem;
    font-size: 0.72rem;
  }
}

@media (max-width: 640px) {
  .site-header,
  main,
  .site-footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  nav {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 3rem;
  }

  .button {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
  }
}