:root {
  --deep-navy: #0b1f3a;
  --navy: #102f55;
  --rich-blue: #0f4c81;
  --sky-blue: #4bb3fd;
  --pale-blue: #dff4ff;
  --soft-background: #f5fbff;
  --white: #ffffff;
  --ink: #14324c;
  --muted: #55728b;
  --line: rgba(15, 76, 129, 0.16);
  --shadow: 0 24px 70px rgba(11, 31, 58, 0.12);
  --radius: 8px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(75, 179, 253, 0.16), transparent 30rem),
    linear-gradient(180deg, var(--soft-background) 0%, var(--white) 52%, #eef9ff 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(75, 179, 253, 0.72);
  outline-offset: 4px;
}

.container {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px max(24px, calc((100vw - var(--max-width)) / 2));
  background: rgba(245, 251, 255, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--deep-navy);
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  padding: 8px 12px;
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius);
}

.site-nav a:hover {
  background: rgba(75, 179, 253, 0.13);
  color: var(--deep-navy);
}

.hero {
  position: relative;
  min-height: clamp(560px, 78vh, 760px);
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--deep-navy);
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(11, 31, 58, 0.96) 0%, rgba(11, 31, 58, 0.82) 44%, rgba(11, 31, 58, 0.22) 100%),
    linear-gradient(180deg, rgba(11, 31, 58, 0.12) 0%, rgba(11, 31, 58, 0.52) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--sky-blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.5rem, 10vw, 7rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.tagline {
  margin: 18px 0 0;
  color: var(--pale-blue);
  font-size: clamp(1.35rem, 3vw, 2.25rem);
  font-weight: 800;
  line-height: 1.15;
}

.hero-copy {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
}

.hero-actions,
.join-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  font-weight: 800;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid transparent;
}

.button-primary {
  color: var(--deep-navy);
  background: var(--white);
  box-shadow: 0 14px 34px rgba(11, 31, 58, 0.18);
}

.button-primary:hover {
  background: var(--pale-blue);
}

.button-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.42);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.22);
}

.intro-band {
  padding: 24px 0;
  background: var(--deep-navy);
  color: var(--white);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(223, 244, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(223, 244, 255, 0.18);
}

.status-grid div {
  min-height: 120px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
}

.status-number {
  display: block;
  color: var(--pale-blue);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1;
}

.status-label {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 700;
}

.section {
  padding: clamp(64px, 8vw, 104px) 0;
}

.soft-section {
  background:
    radial-gradient(circle at top right, rgba(75, 179, 253, 0.18), transparent 28rem),
    rgba(223, 244, 255, 0.35);
  border-block: 1px solid var(--line);
}

.two-column,
.feature-card,
.join-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
}

h2 {
  margin: 0;
  color: var(--deep-navy);
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  color: var(--deep-navy);
  font-size: 1.05rem;
  line-height: 1.3;
}

p {
  margin: 0;
}

.lead-card,
.card,
.experiment-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 16px 46px rgba(11, 31, 58, 0.07);
}

.lead-card {
  padding: clamp(24px, 4vw, 40px);
  color: var(--navy);
  font-size: clamp(1.05rem, 2vw, 1.18rem);
}

.lead-card p + p {
  margin-top: 18px;
  color: var(--rich-blue);
  font-weight: 800;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 32px;
}

.card-grid {
  display: grid;
  gap: 16px;
}

.five-up {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.card {
  min-height: 230px;
  padding: 22px;
}

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 20px;
  color: var(--rich-blue);
  background: var(--pale-blue);
  border: 1px solid rgba(75, 179, 253, 0.32);
  border-radius: var(--radius);
  font-weight: 900;
}

.card p,
.experiment-card p {
  margin-top: 10px;
  color: var(--muted);
}

.feature-section {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(11, 31, 58, 0.96), rgba(15, 76, 129, 0.94)),
    radial-gradient(circle at top right, rgba(75, 179, 253, 0.32), transparent 24rem);
}

.feature-card {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid rgba(223, 244, 255, 0.2);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04)),
    radial-gradient(circle at 90% 10%, rgba(75, 179, 253, 0.28), transparent 18rem);
  box-shadow: var(--shadow);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: auto -8% -35% auto;
  width: 42%;
  aspect-ratio: 1;
  border-radius: 999px;
  background: rgba(223, 244, 255, 0.13);
}

.feature-card h2,
.feature-card h3 {
  color: var(--white);
}

.feature-copy {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.08rem;
}

.project-links {
  position: relative;
  display: grid;
  gap: 12px;
}

.project-links a {
  display: block;
  padding: 18px;
  color: var(--white);
  text-decoration: none;
  border: 1px solid rgba(223, 244, 255, 0.24);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
}

.project-links a:hover {
  background: rgba(255, 255, 255, 0.17);
}

.project-links span {
  display: block;
  font-weight: 900;
}

.project-links small {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
}

.experiment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.experiment-card {
  min-height: 150px;
  padding: 22px;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.experiment-card:hover {
  transform: translateY(-2px);
  border-color: rgba(75, 179, 253, 0.46);
  box-shadow: 0 20px 52px rgba(11, 31, 58, 0.11);
}

.join-section {
  padding-top: 0;
}

.join-card {
  padding: clamp(28px, 5vw, 52px);
  color: var(--white);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(15, 76, 129, 0.96), rgba(11, 31, 58, 0.98)),
    radial-gradient(circle at top left, rgba(75, 179, 253, 0.28), transparent 22rem);
  box-shadow: var(--shadow);
}

.join-card h2,
.join-card .section-kicker {
  color: var(--white);
}

.join-card p {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.08rem;
}

.join-actions {
  justify-content: flex-start;
  margin-top: 0;
}

.join-actions .button-secondary {
  color: var(--deep-navy);
  background: var(--pale-blue);
  border-color: transparent;
}

.join-actions .button-secondary:hover {
  background: var(--white);
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  color: var(--pale-blue);
  font-weight: 800;
}

.site-footer {
  padding: 28px 0;
  color: rgba(255, 255, 255, 0.76);
  background: var(--deep-navy);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-content a {
  color: var(--pale-blue);
  font-weight: 800;
  text-decoration: none;
}

.footer-content a:hover {
  text-decoration: underline;
}

@media (max-width: 980px) {
  .five-up,
  .experiment-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .two-column,
  .feature-card,
  .join-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
    align-items: flex-start;
    padding: 14px 16px;
  }

  .site-nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .hero {
    min-height: 640px;
  }

  .hero-image {
    object-position: 45% center;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(11, 31, 58, 0.9) 0%, rgba(11, 31, 58, 0.68) 55%, rgba(11, 31, 58, 0.38) 100%);
  }

  .hero-content {
    align-self: start;
    padding-top: 64px;
  }

  .status-grid,
  .five-up,
  .experiment-grid {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: auto;
  }

  .join-actions {
    gap: 10px;
  }

  .button,
  .text-link {
    width: 100%;
  }

  .footer-content {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .site-header {
    gap: 12px;
  }

  .brand span {
    display: none;
  }

  .site-nav a {
    padding: 7px 9px;
    font-size: 0.9rem;
  }

  .hero h1 {
    font-size: clamp(3rem, 17vw, 4.4rem);
  }
}