/* ================= HERO ================= */

.sub-hero {
  height: 85vh;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 60px;
  color: white;
  overflow: hidden;
}

.sub-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 1;
}

.sub-hero h1 {
  position: relative;
  z-index: 2;
  font-size: 48px;
  font-weight: 400;
}

/* ================= INTRO ================= */

.sub-content {
  max-width: 900px;
  margin: 100px auto;
  text-align: center;
  padding: 0 20px;
}

.sub-content h2 {
  font-size: 38px;
  color: #0d2d5c;
  margin-bottom: 20px;
}

.sub-content p {
  font-size: 17px;
  line-height: 1.7;
  color: #444;
}

/* ================= ACTIVITY CARDS ================= */

.activity-section {
  max-width: 1200px;
  margin: 80px auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  padding: 0 20px;
}

.activity-card {
  background: white;
  padding: 50px 30px;
  text-align: center;
  border-top: 4px solid #0d2d5c;
  transition: 0.4s;
}

.activity-card i {
  font-size: 40px;
  color: #0d2d5c;
  margin-bottom: 20px;
}

.activity-card h3 {
  margin-bottom: 15px;
  color: #0d2d5c;
}

.activity-card p {
  color: #555;
  line-height: 1.6;
}

.activity-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

/* ================= GALLERY ================= */

.activity-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin: 100px auto;
  max-width: 1200px;
  padding: 0 20px;
}

.activity-gallery img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: 0.4s;
  display: block;
}

.activity-gallery img:hover {
  transform: scale(1.05);
}

/* ================= CTA ================= */

.activity-cta {
  background: #0d2d5c;
  color: white;
  text-align: center;
  padding: 80px 20px;
}

.activity-cta h2 {
  font-size: 34px;
  margin-bottom: 15px;
}

.activity-cta p {
  margin-bottom: 25px;
  line-height: 1.7;
}

.activity-cta a {
  background: white;
  color: #0d2d5c;
  padding: 12px 28px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s ease;
}

.activity-cta a:hover {
  background: #f4f4f4;
}

/* ================= RESPONSIVE ================= */

@media (max-width: 900px) {

  .activity-section {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .activity-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .activity-gallery img {
    height: 220px;
  }

  .sub-hero {
    height: 60vh;
    padding: 30px 24px;
    text-align: center;
    justify-content: center;
  }

  .sub-hero h1 {
    font-size: 40px;
    line-height: 1.15;
  }

  .sub-content h2 {
    font-size: 30px;
    line-height: 1.2;
  }

  .sub-content p {
    font-size: 15px;
    line-height: 1.7;
  }
}

/* ================= MOBILE ================= */

@media (max-width: 600px) {

  .activity-gallery {
    grid-template-columns: 1fr;
  }

  .activity-gallery img {
    height: 260px;
  }

  .sub-hero {
    height: 50vh;
    padding: 25px 18px;
  }

  .sub-hero h1 {
    font-size: 32px;
  }

  .sub-content h2 {
    font-size: 26px;
  }

  .sub-content p {
    font-size: 14px;
  }
}