* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #1a1a1a;
  background: #f5f7fb;
  line-height: 1.6;
}

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

.site-header {
  background: #ffffff;
  border-bottom: 5px solid #b31942;
  position: sticky;
  top: 0;
  z-index: 10;
}

.navbar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 900;
  color: #0a3161;
  font-size: 22px;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 18px;
}

.nav-links a {
  color: #0a3161;
  text-decoration: none;
  font-weight: 800;
}

.nav-links a:hover {
  color: #b31942;
}

.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.small-title {
  color: #b31942;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero h1 {
  color: #0a3161;
  font-size: 54px;
  line-height: 1;
  margin: 10px 0 20px;
}

.hero p {
  font-size: 20px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.button {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 900;
  border: none;
  cursor: pointer;
}

.red {
  background: #b31942;
  color: white;
}

.blue {
  background: #0a3161;
  color: white;
}

.hero-image {
  background: linear-gradient(135deg, #0a3161, #b31942);
  padding: 10px;
  border-radius: 24px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.hero-image img {
  border-radius: 18px;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  background: #ffffff;
}

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 70px 20px;
}

.section h2 {
  color: #0a3161;
  font-size: 40px;
  margin-bottom: 12px;
}

.section h3 {
  color: #b31942;
  font-size: 26px;
  margin-top: 34px;
  margin-bottom: 8px;
}

.section p {
  font-size: 19px;
}

.donate-section {
  background: white;
  border-radius: 24px;
  margin-top: 20px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12);
}

.donation-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.donate-button {
  background: #b31942;
  color: white;
  text-decoration: none;
  padding: 16px 24px;
  border-radius: 999px;
  font-weight: 900;
  min-width: 120px;
  text-align: center;
}

.donate-button:hover {
  background: #0a3161;
}

.facebook-box {
  background: white;
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12);
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.volunteer-section {
  background: #0a3161;
  color: white;
  border-radius: 24px;
  margin-top: 40px;
}

.volunteer-section h2 {
  color: white;
}

.volunteer-section p {
  color: white;
}

.signup-form {
  background: white;
  color: #1a1a1a;
  padding: 24px;
  border-radius: 18px;
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.signup-form label {
  font-weight: 800;
  color: #0a3161;
}

.signup-form input,
.signup-form select,
.signup-form textarea {
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  border: 2px solid #d5dbe6;
  border-radius: 10px;
  font-size: 16px;
}

.signup-form input:focus,
.signup-form select:focus,
.signup-form textarea:focus {
  outline: none;
  border-color: #0a3161;
}

.site-footer {
  background: #061d3a;
  color: white;
  text-align: center;
  padding: 35px 20px;
  margin-top: 60px;
  border-top: 5px solid #b31942;
}

.site-footer a {
  color: white;
  font-weight: 800;
}

@media (max-width: 800px) {
  .navbar {
    display: block;
    text-align: center;
  }

  .nav-links {
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 12px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding: 50px 20px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-image img {
    aspect-ratio: auto;
    height: auto;
  }

  .section h2 {
    font-size: 32px;
  }

  .section h3 {
    font-size: 23px;
  }

  .facebook-box {
    padding: 12px;
  }
}