*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --ocean-deep: #0a2540;
  --ocean-mid: #1a6b8a;
  --ocean-teal: #2fbcb0;
  --ocean-foam: #e8f7f6;
  --sand: #f5ede0;
  --text-dark: #0a2540;
  --text-mid: #3a5570;
  --white: #ffffff;
}
html { scroll-behavior: smooth; }
body { font-family: 'DM Sans', sans-serif; color: var(--text-dark); background: var(--white); overflow-x: hidden; }
h1, h2, h3, h4 { font-family: 'Playfair Display', serif; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,37,64,0.97); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 64px;
}
.nav-logo { color: white; font-family: 'Playfair Display', serif; font-size: 1.1rem; font-weight: 700; text-decoration: none; display: flex; align-items: center; gap: 10px; }
.nav-logo svg { width: 26px; height: 26px; flex-shrink: 0; }
.nav-links { display: flex; align-items: center; gap: 1.75rem; }
.nav-links a { color: rgba(255,255,255,0.8); text-decoration: none; font-size: 0.875rem; font-weight: 400; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--ocean-teal); }
.nav-donate { background: var(--ocean-teal); color: white !important; padding: 8px 20px; border-radius: 40px; font-weight: 500 !important; }
.nav-donate:hover { background: #24a89d !important; }

/* PAGE HERO (inner pages) */
.page-hero {
  background: linear-gradient(160deg, var(--ocean-deep) 0%, #0d3d5c 60%, #0f5a78 100%);
  padding: 140px 5% 80px; text-align: center;
}
.page-hero h1 { font-size: clamp(2.2rem, 4vw, 3.5rem); color: white; margin-bottom: 1rem; }
.page-hero p { font-size: 1.05rem; color: rgba(255,255,255,0.65); max-width: 560px; margin: 0 auto; font-weight: 300; line-height: 1.7; }

/* SECTION HELPERS */
.section-label {
  font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ocean-teal);
  font-weight: 500; margin-bottom: 1rem; display: flex; align-items: center; gap: 10px;
}
.section-label::after { content: ''; display: block; width: 32px; height: 1.5px; background: var(--ocean-teal); }
.container { max-width: 1100px; margin: 0 auto; }

/* BUTTONS */
.btn-primary {
  background: var(--ocean-teal); color: white; padding: 12px 28px;
  border-radius: 40px; text-decoration: none; font-weight: 500; font-size: 0.9rem;
  display: inline-block; transition: all 0.25s;
}
.btn-primary:hover { background: #24a89d; transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--ocean-mid); padding: 12px 28px;
  border-radius: 40px; text-decoration: none; font-weight: 500; font-size: 0.9rem;
  border: 1.5px solid var(--ocean-mid); display: inline-block; transition: all 0.25s;
}
.btn-outline:hover { background: var(--ocean-foam); }

/* FOOTER */
footer { background: #060f1c; padding: 4rem 5% 2.5rem; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; max-width: 1100px; margin: 0 auto 3rem; flex-wrap: wrap; gap: 2rem; }
.footer-brand { max-width: 300px; }
.footer-brand h3 { font-size: 1.1rem; color: white; margin-bottom: 0.75rem; font-family: 'Playfair Display', serif; }
.footer-brand p { font-size: 0.82rem; color: rgba(255,255,255,0.4); line-height: 1.7; font-weight: 300; }
.footer-links h4 { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.3); margin-bottom: 1rem; font-family: 'DM Sans', sans-serif; font-weight: 500; }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.footer-links ul li a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.85rem; transition: color 0.2s; }
.footer-links ul li a:hover { color: var(--ocean-teal); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.07); padding-top: 2rem; max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-bottom span { font-size: 0.78rem; color: rgba(255,255,255,0.22); }
.social-links { display: flex; gap: 0.6rem; }
.social-link { width: 32px; height: 32px; border-radius: 8px; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; text-decoration: none; transition: background 0.2s; }
.social-link:hover { background: rgba(47,188,176,0.2); }

@media (max-width: 768px) {
  .nav-links a:not(.nav-donate) { display: none; }
  nav { padding: 0 4%; }
}