* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #0057b8;
  color: white;
}

.navbar {
  background: #003f8f;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  font-weight: 900;
  font-size: 24px;
  color: #ffd21f;
}

nav {
  display: flex;
  gap: 28px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 700;
}

button {
  background: #ffd21f;
  border: none;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 900;
  color: #003f8f;
}

.hero {
  min-height: 520px;
  background: linear-gradient(#0066d6, #004fae);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: 60px 24px;
}

h1 {
  font-size:100px;
  font-weight: 900;
  color: #ffd21f;
  text-align: center;
  text-shadow: 5px 5px 0 #002f6c;
}

.timeline,
.icon-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding: 80px 8%;
  align-items: center;
}

.text-card {
  background: white;
  color: #003f8f;
  border-radius: 28px;
  padding: 36px;
  box-shadow: 0 12px 0 #002f6c;
}

.text-card h2 {
  font-size: 48px;
  font-weight: 900;
  color: #f15a24;
  margin-bottom: 12px;
}

.text-card h3 {
  font-size: 28px;
  color: #003f8f;
  margin-bottom: 14px;
  text-align: center;
}

.text-card p {
  font-size: 18px;
  line-height: 1.5;
}

.yellow {
  background: #ffd21f;
}

.image-box {
  min-height: 260px;
  border: 5px dashed rgba(255, 255, 255, 0.8);
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 22px;
  background: rgba(255, 255, 255, 0.12);
}

.image-box.large {
  width: min(900px, 90%);
  min-height: 340px;
}

.evolution {
  background: #ffd21f;
  color: #003f8f;
  padding: 80px 8%;
  text-align: center;
}

.evolution h2,
.today h2 {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  margin-bottom: 40px;
}

.image-row,
.image-grid {
  display: grid;
  gap: 24px;
}

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

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

.image-box.small {
  min-height: 200px;
}

.today {
  padding: 80px 8%;
  text-align: center;
}

footer {
  background: #003f8f;
  text-align: center;
  padding: 32px;
  font-weight: 700;
}

@media (max-width: 850px) {
  .navbar {
    flex-direction: column;
    gap: 18px;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .timeline,
  .icon-section,
  .image-row,
  .image-grid {
    grid-template-columns: 1fr;
  }
}