* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: #ffffff;
  color: #222;
  line-height: 1.6;
}

/* HEADER */
header {
  background: #b40000;
  padding: 15px 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 22px;
  font-weight: bold;
  color: #fff;
}
.logo-img {
  height: 40px;   /* controls size */
  width: auto;
  display: block;
}

nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 15px;
  font-weight: 500;
}

nav a:hover {
  text-decoration: underline;
}

/* DONATE BUTTON */
.donate-btn {
  background: #ff2b2b;
  color: #fff;
  padding: 10px 22px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  border: 2px solid #fff;
  transition: 0.3s;
}

.donate-btn:hover {
  background: #fff;
  color: #b40000;
}

/* HERO SECTION */
.hero {
  background: linear-gradient(rgba(180,0,0,0.85), rgba(180,0,0,0.85)), url('https://images.unsplash.com/photo-1521737604893-d14cc237f11d') center/cover;
  color: white;
  text-align: center;
  padding: 120px 20px;
}

.hero h1 {
  font-size: 50px;
  margin-bottom: 15px;
}

.hero p {
  font-size: 22px;
}

/* SECTIONS */
.section {
  padding: 80px 10%;
}

.section h2 {
  color: #b40000;
  font-size: 32px;
  margin-bottom: 20px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.card {
  border: 1px solid #ddd;
  padding: 25px;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 0 12px rgba(0,0,0,0.05);
}

/* CTA */
.cta {
  background: #b40000;
  color: white;
  text-align: center;
  padding: 70px 20px;
}

.cta a {
  display: inline-block;
  margin-top: 20px;
  background: white;
  color: #b40000;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: bold;
  text-decoration: none;
}

/* FOOTER */
footer {
  background: #8c0000;
  color: white;
  text-align: center;
  padding: 25px;
  font-size: 14px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  header {
    flex-direction: column;
  }

  nav {
    margin: 15px 0;
  }

  .hero h1 {
    font-size: 36px;
  }
}