:root {
  --blue: #17458f;
  --blue-dark: #0b244d;
  --gold: #f7a81b;
  --sky: #01a2e2;
  --ink: #122033;
  --muted: #5b6677;
  --paper: #fbfaf7;
  --white: #ffffff;
  --line: rgba(18, 32, 51, 0.14);
  --shadow: 0 24px 70px rgba(11, 36, 77, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: var(--white);
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 34px rgba(11, 36, 77, 0.12);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(5, 18, 39, 0.2));
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
  letter-spacing: 0;
}

.brand small {
  color: currentColor;
  font-size: 0.78rem;
  opacity: 0.82;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.94rem;
  font-weight: 700;
}

.site-nav a {
  border-radius: 999px;
  padding: 10px 14px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(255, 255, 255, 0.18);
  outline: none;
}

.site-header.is-scrolled .site-nav a:hover,
.site-header.is-scrolled .site-nav a:focus-visible,
.site-header.is-open .site-nav a:hover,
.site-header.is-open .site-nav a:focus-visible {
  background: rgba(23, 69, 143, 0.08);
}

.site-nav .nav-cta {
  color: var(--blue-dark);
  background: var(--gold);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: inherit;
  background: rgba(255, 255, 255, 0.16);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 19px;
  height: 2px;
  margin: 3px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}

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

.hero-image {
  object-fit: cover;
  object-position: 42% center;
  transform: scale(1.01);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(5, 18, 39, 0.9) 0%, rgba(5, 18, 39, 0.58) 45%, rgba(5, 18, 39, 0.18) 100%),
    linear-gradient(0deg, rgba(5, 18, 39, 0.72) 0%, rgba(5, 18, 39, 0.08) 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100% - 36px));
  margin: 0 auto;
  padding: 150px 0 92px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.section h2 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.04;
}

.hero h1 {
  max-width: 680px;
  font-size: clamp(3.2rem, 9vw, 7.3rem);
}

.hero-copy {
  max-width: 650px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.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: 13px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button.primary {
  color: var(--blue-dark);
  background: var(--gold);
  box-shadow: 0 16px 36px rgba(247, 168, 27, 0.24);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.54);
  background: rgba(255, 255, 255, 0.12);
}

.button.ghost {
  color: var(--blue);
  border-color: rgba(23, 69, 143, 0.24);
  background: var(--white);
}

.intro {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.intro-item {
  min-height: 140px;
  padding: clamp(24px, 4vw, 42px);
  background: var(--white);
}

.intro-item strong {
  display: block;
  color: var(--blue);
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  line-height: 1;
}

.intro-item span {
  display: block;
  max-width: 360px;
  margin-top: 10px;
  color: var(--muted);
  font-weight: 650;
}

.section {
  padding: clamp(68px, 9vw, 118px) clamp(18px, 4vw, 56px);
}

.section-heading {
  width: min(820px, 100%);
  margin-bottom: 36px;
}

.section h2 {
  max-width: 760px;
  color: var(--blue-dark);
  font-size: clamp(2.2rem, 5vw, 4.8rem);
}

.section-heading p:not(.eyebrow),
.club-copy p,
.join p {
  color: var(--muted);
  font-size: 1.08rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.project-card {
  min-height: 280px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 26px rgba(11, 36, 77, 0.06);
}

.project-card.feature {
  grid-column: span 2;
  color: var(--white);
  border-color: transparent;
  background: var(--blue);
  box-shadow: var(--shadow);
}

.project-kicker {
  display: block;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-card h3 {
  margin: 18px 0 12px;
  color: var(--blue-dark);
  font-size: 1.45rem;
  line-height: 1.15;
}

.project-card.feature h3 {
  color: var(--white);
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.project-card p {
  margin: 0;
  color: var(--muted);
}

.project-card.feature p {
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.06rem;
}

.club {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
  background: var(--white);
}

.club-copy p {
  max-width: 720px;
}

.values {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.values div {
  padding: 24px;
  background: #f6f8fb;
}

.values strong,
.values span {
  display: block;
}

.values strong {
  color: var(--blue);
  font-size: 1.18rem;
}

.values span {
  margin-top: 4px;
  color: var(--muted);
}

.quote-band {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(23, 69, 143, 0.96), rgba(1, 162, 226, 0.84)),
    var(--blue);
}

.quote-band blockquote {
  width: min(980px, 100%);
  margin: 0 auto;
  font-size: clamp(2rem, 5vw, 4.7rem);
  font-weight: 850;
  line-height: 1.07;
  text-align: center;
}

.join {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
}

.join h2 {
  max-width: 780px;
}

.join p {
  max-width: 720px;
}

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

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: var(--blue-dark);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer span {
  color: rgba(255, 255, 255, 0.72);
}

.site-footer a {
  color: var(--gold);
  font-weight: 800;
}

@media (max-width: 920px) {
  .menu-toggle {
    display: grid;
  }

  .site-nav {
    position: absolute;
    top: 74px;
    left: 18px;
    right: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    border-radius: 6px;
  }

  .intro,
  .project-grid,
  .club,
  .join {
    grid-template-columns: 1fr;
  }

  .project-card.feature {
    grid-column: span 1;
  }

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

@media (max-width: 620px) {
  .site-header {
    min-height: 68px;
    padding: 12px 16px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand strong {
    font-size: 0.92rem;
  }

  .brand small {
    font-size: 0.72rem;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-content {
    width: calc(100% - 32px);
    padding-bottom: 66px;
  }

  .hero-image {
    object-position: 33% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(5, 18, 39, 0.92), rgba(5, 18, 39, 0.5)),
      linear-gradient(0deg, rgba(5, 18, 39, 0.7), rgba(5, 18, 39, 0.12));
  }

  .hero-actions,
  .join-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .intro-item {
    min-height: 118px;
  }

  .project-card {
    min-height: 0;
  }

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