:root {
  --navy: #082b5c;
  --navy-dark: #041b3b;
  --blue: #2d78bd;
  --gold: #ffb81c;
  --ink: #162033;
  --muted: #5d687a;
  --surface: #f5f7fb;
  --line: #dce3ee;
  --white: #ffffff;
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

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

.site-header {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
}

.nav-link {
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
}

.hero {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  min-height: 690px;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 64px;
  padding: 70px 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  color: var(--navy-dark);
  font-size: clamp(3.4rem, 7vw, 6.2rem);
  line-height: 0.98;
  letter-spacing: -0.07em;
}

h2 {
  color: var(--navy-dark);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

h3 {
  margin-bottom: 8px;
  color: var(--navy-dark);
  font-size: 1.15rem;
}

.intro {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.15rem;
}

.event-card {
  width: fit-content;
  margin: 32px 0 0;
  padding: 16px 20px;
  display: grid;
  gap: 1px;
  border-left: 5px solid var(--gold);
  background: var(--surface);
}

.event-card strong {
  color: var(--navy);
  font-size: 1.25rem;
}

.event-card span:last-child {
  color: var(--muted);
}

.event-label {
  color: var(--blue);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 48px;
  padding: 11px 19px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: var(--navy);
}

.button-primary:hover {
  background: var(--navy-dark);
}

.button-secondary {
  color: var(--navy);
  border-color: var(--navy);
  background: var(--white);
}

.hero-art {
  position: relative;
}

.hero-art::before {
  content: "";
  position: absolute;
  inset: 12% -4% -8% 8%;
  z-index: -1;
  border-radius: 32px;
  background: linear-gradient(145deg, #eef4fb, #fff8e8);
  transform: rotate(-3deg);
}

.hero-art img {
  width: 100%;
  border-radius: 22px;
  box-shadow: 0 24px 70px rgba(8, 43, 92, 0.14);
}

.section {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  padding: 100px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 42px;
  color: var(--muted);
  font-size: 1.08rem;
}

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

.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.timeline-item {
  min-height: 238px;
  padding: 25px 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
}

.timeline-item p {
  color: var(--muted);
  font-size: 0.95rem;
}

.timeline-item .date {
  display: inline-block;
  margin-bottom: 36px;
  color: var(--blue);
  font-weight: 800;
}

.timeline-item.featured {
  color: var(--white);
  border-color: var(--navy);
  background: var(--navy);
}

.timeline-item.featured h3,
.timeline-item.featured .date {
  color: var(--white);
}

.timeline-item.featured p {
  color: #dbe8f7;
}

.cta {
  margin: 20px auto 0;
  padding: 90px max(30px, calc((100vw - var(--max-width)) / 2));
  color: var(--white);
  background: var(--navy-dark);
}

.cta .eyebrow {
  color: var(--gold);
}

.cta h2 {
  max-width: 820px;
  color: var(--white);
}

.cta p:not(.eyebrow) {
  max-width: 730px;
  color: #c7d5e8;
  font-size: 1.06rem;
}

.button-light {
  margin-top: 12px;
  color: var(--navy-dark);
  background: var(--white);
}

footer {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 960px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .hero-art {
    max-width: 720px;
  }

  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 66px;
  }

  .nav-link {
    display: none;
  }

  .hero {
    padding: 54px 0 76px;
  }

  h1 {
    font-size: clamp(3rem, 16vw, 4.8rem);
  }

  .about-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }

  .timeline-item {
    min-height: auto;
  }

  .timeline-item .date {
    margin-bottom: 24px;
  }

  footer {
    padding: 24px 0;
    display: grid;
    gap: 4px;
  }
}