:root {
  --navy: #0A2540;
  --teal: #0F766E;
  --gold: #F59E0B;
  --sky: #E6F6F5;
  --charcoal: #1F2933;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--charcoal);
  line-height: 1.7;
}

nav {
  position: sticky;
  top: 0;
  background: var(--white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  border-bottom: 1px solid #eee;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.nav-brand img {
  height: 40px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 1.2rem;
}

nav a {
  text-decoration: none;
  color: var(--charcoal);
  font-weight: 500;
}

.donate-btn {
  color: var(--gold);
  font-weight: 700;
}

.hero {
  background: linear-gradient(rgba(10,37,64,0.8), rgba(10,37,64,0.8)),
              url("assets/hero.jpg") center/cover;
  color: white;
  padding: 6rem 2rem;
  text-align: center;
}

.hero h1 {
  font-family: "Poppins", sans-serif;
  font-size: 3rem;
  margin-bottom: 1rem;
}

.section {
  padding: 4rem 2rem;
  max-width: 900px;
  margin: auto;
}

.section.light {
  background: var(--sky);
}

.section.join {
  background: var(--teal);
  color: white;
  text-align: center;
}

h2 {
  font-family: "Poppins", sans-serif;
  font-size: 2rem;
}

.quote {
  font-style: italic;
  font-size: 1.2rem;
}

.emphasis {
  font-weight: 600;
}

.stats {
  display: flex;
  justify-content: space-around;
  background: var(--navy);
  color: white;
  padding: 3rem 1rem;
}

.stats h3 {
  font-size: 2.5rem;
  margin: 0;
}

.cta {
  display: inline-block;
  margin-top: 1.5rem;
  background: var(--gold);
  color: white;
  padding: 0.8rem 1.5rem;
  text-decoration: none;
  font-weight: 600;
  border-radius: 6px;
}

.cta.dark {
  background: var(--navy);
}

footer {
  background: var(--charcoal);
  color: #ccc;
  text-align: center;
  padding: 2rem;
}