* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #172033;
  background: #f6f8fc;
  line-height: 1.6;
}

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

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

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.narrow {
  max-width: 850px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #0f1f4d;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 16px 0;
}

.brand {
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.main-nav a {
  color: #ffffff;
  font-weight: 600;
}

.nav-btn {
  padding: 10px 16px;
  background: #d4af37;
  color: #172033 !important;
  border-radius: 999px;
}

.hero {
  background: linear-gradient(135deg, rgba(9, 20, 55, 0.9), rgba(14, 67, 145, 0.76));
  color: #ffffff;
  padding: 110px 0 100px;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #d4af37;
  margin-bottom: 10px;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.12;
}

.hero-text {
  font-size: 1.1rem;
  max-width: 650px;
  margin-bottom: 28px;
  color: #edf3ff;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

.btn-primary {
  background: #d4af37;
  color: #172033;
}

.btn-secondary {
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.section {
  padding: 80px 0;
}

.section-light {
  background: #ffffff;
}

.section-alt {
  background: #eef3fb;
}

.section-heading {
  margin-bottom: 34px;
}

.section-heading.center {
  text-align: center;
}

.section-heading h2 {
  margin: 0 0 12px;
  font-size: 2.2rem;
  color: #0f1f4d;
}

.section-heading p {
  margin: 0;
  color: #4f5f7a;
}

.card-grid {
  display: grid;
  gap: 24px;
}

.four-up {
  grid-template-columns: repeat(4, 1fr);
}

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

.card,
.event-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 10px 24px rgba(15, 31, 77, 0.08);
}

.card h3,
.event-card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  color: #0f1f4d;
}

.card p,
.event-card p {
  margin-bottom: 0;
  color: #52627d;
}

.event-date {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #dfe8fb;
  color: #0f1f4d;
  font-size: 0.85rem;
  font-weight: 700;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.gallery-item {
  min-height: 210px;
  border-radius: 18px;
  background: linear-gradient(135deg, #1f3f8f, #0f1f4d);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  font-weight: 700;
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

.sponsor-box {
  min-height: 120px;
  border: 2px dashed #b7c5e2;
  border-radius: 18px;
  background: #f8fbff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 18px;
  font-weight: 700;
  color: #3b4d72;
}

.sponsor-cta {
  text-align: center;
}

.sponsor-cta p {
  margin-bottom: 16px;
  color: #4f5f7a;
}

.contact-section {
  background: #0f1f4d;
  color: #ffffff;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: start;
}

.contact-info h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 2.1rem;
}

.contact-info p,
.contact-info li,
.contact-info a {
  color: #e6edff;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}

.contact-list li {
  margin-bottom: 10px;
}

.contact-form {
  background: #ffffff;
  color: #172033;
  padding: 28px;
  border-radius: 20px;
}

.contact-form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-bottom: 18px;
  padding: 14px 15px;
  border: 1px solid #c9d6ea;
  border-radius: 12px;
  font: inherit;
}

.contact-form textarea {
  min-height: 150px;
  resize: vertical;
}

.full-width {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.site-footer {
  background: #091437;
  color: #dbe6ff;
  padding: 24px 0;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 980px) {
  .four-up,
  .sponsor-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .three-up,
  .gallery-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    gap: 14px;
  }

  .four-up,
  .sponsor-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 0;
  }

  .hero {
    padding: 80px 0 72px;
  }

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