:root {
  --navy: #073b4c;
  --deep: #052d3a;
  --teal: #118ab2;
  --aqua: #55d6be;
  --sand: #fff8ec;
  --soft: #eefbfe;
  --ink: #14323d;
  --muted: #5f7780;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(7, 59, 76, .18);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

a { color: inherit; }
.container { width: min(1120px, 92vw); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(7, 59, 76, .08);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-weight: 900;
  text-decoration: none;
  font-size: 1.1rem;
  color: var(--navy);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--teal), var(--aqua));
  color: white;
  font-size: .85rem;
  box-shadow: 0 10px 24px rgba(17, 138, 178, .25);
}

.nav-menu {
  display: flex;
  gap: 1.15rem;
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  font-weight: 800;
  font-size: .92rem;
  color: var(--navy);
}

.nav-toggle { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  background: var(--navy);
  color: white !important;
  text-decoration: none;
  font-weight: 900;
  padding: .95rem 1.25rem;
  box-shadow: 0 12px 25px rgba(7, 59, 76, .2);
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
}

.btn:hover { transform: translateY(-1px); box-shadow: 0 16px 30px rgba(7, 59, 76, .22); }
.btn-small { padding: .65rem 1rem; }
.btn-secondary { background: white; color: var(--navy) !important; }
.btn-light { background: white; color: var(--navy) !important; }

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 22%, rgba(85, 214, 190, .45), transparent 30%),
    radial-gradient(circle at 12% 86%, rgba(17, 138, 178, .15), transparent 28%),
    linear-gradient(135deg, #e9fbff 0%, #ffffff 48%, #fff5e6 100%);
  padding: 98px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-weight: 900;
  color: var(--teal);
  font-size: .78rem;
  margin: 0 0 .8rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  line-height: .94;
  margin: 0 0 1.25rem;
  color: var(--navy);
  letter-spacing: -.065em;
}

.lead {
  font-size: 1.25rem;
  color: var(--muted);
  max-width: 670px;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }

.hero-card {
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, .88);
  border: 1px solid rgba(17, 138, 178, .18);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
}

.hero-video {
  width: 100%;
  max-width: 600px;
  height: auto;
  display: block;
  margin: 40px auto;
  border-radius: 20px;
}

.split img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  margin-top: 1rem;
}

.hero-card h2 { font-size: 2rem; line-height: 1.05; margin: 1rem 0; color: var(--navy); }
.hero-card p { color: var(--muted); }
.hero-card ul { padding-left: 1.2rem; font-weight: 800; color: var(--ink); }
.hero-card li { margin-bottom: .45rem; }

.ripple {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: repeating-radial-gradient(circle, rgba(17, 138, 178, .18) 0 8px, rgba(85, 214, 190, .18) 8px 16px);
  animation: pulse 4s infinite ease-in-out;
}

@keyframes pulse { 50% { transform: scale(1.08); } }

.section { padding: 86px 0; }
.section-soft { background: var(--sand); }

.split {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 56px;
  align-items: start;
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
  margin: 0 0 1rem;
  color: var(--navy);
  letter-spacing: -.045em;
}

.section p { font-size: 1.05rem; color: var(--muted); }

.focus-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, .8fr);
  gap: 18px;
  align-items: stretch;
}

.focus-card {
  background: white;
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid rgba(7, 59, 76, .08);
  box-shadow: 0 12px 30px rgba(7, 59, 76, .07);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.focus-card strong {
  display: block;
  color: var(--teal);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: -.05em;
}

.focus-card span { font-weight: 800; color: var(--muted); margin-top: .75rem; }
.main-focus { background: var(--navy); }
.main-focus h2, .main-focus p { color: white; }
.main-focus .eyebrow { color: var(--aqua); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 32px;
}

.card {
  background: white;
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid rgba(7, 59, 76, .08);
  box-shadow: 0 12px 30px rgba(7, 59, 76, .07);
}

.card-icon {
  display: inline-flex;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--soft);
  color: var(--teal);
  font-weight: 900;
  margin-bottom: 14px;
}

.card h3 { margin: 0 0 .75rem; color: var(--navy); font-size: 1.35rem; }

.impact-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 42px;
  align-items: center;
}

.steps { display: grid; grid-template-columns: 1fr; gap: 14px; }
.steps div {
  background: white;
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 12px 30px rgba(7, 59, 76, .07);
  border: 1px solid rgba(7, 59, 76, .08);
}

.steps strong { display: block; color: var(--teal); font-size: 2.2rem; line-height: 1; margin-bottom: .65rem; }
.steps span { font-weight: 800; color: var(--muted); font-size: .95rem; }

.emerald { background: linear-gradient(135deg, #0a4b5f, #118ab2); color: white; }
.emerald h2, .emerald p, .emerald .eyebrow { color: white; }

.donate { background: linear-gradient(135deg, var(--deep), var(--teal)); color: white; }
.donate h2, .donate p, .donate .eyebrow { color: white; }

.donate-box {
  display: flex;
  gap: 32px;
  align-items: center;
  justify-content: space-between;
}
.donate-box > div { max-width: 760px; }

.text-link { font-weight: 900; color: var(--teal); text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 44px;
}

.contact-form {
  background: white;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(7, 59, 76, .08);
}

label { display: block; font-weight: 900; margin-bottom: 1rem; color: var(--navy); }
input, textarea, select {
  display: block;
  width: 100%;
  margin-top: .45rem;
  border: 1px solid rgba(7, 59, 76, .18);
  border-radius: 14px;
  padding: .9rem;
  font: inherit;
  background: white;
  color: var(--ink);
}

textarea { resize: vertical; }

.footer { padding: 30px 0; background: var(--navy); color: white; }
.footer-grid { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer p { margin: 0 0 .25rem; color: rgba(255,255,255,.86); }
.footer a { color: white; }

@media (max-width: 920px) {
  .nav-toggle {
    display: inline-flex;
    background: transparent;
    border: 1px solid rgba(7, 59, 76, .15);
    border-radius: 999px;
    padding: .55rem .85rem;
    font-weight: 900;
    color: var(--navy);
  }
  .nav-menu {
    position: absolute;
    left: 4vw;
    right: 4vw;
    top: 76px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    background: white;
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow);
  }
  .nav-menu.open { display: flex; }
  .hero { padding: 64px 0; }
  .hero-grid, .split, .impact-grid, .contact-grid { grid-template-columns: 1fr; }
  .cards, .focus-grid { grid-template-columns: 1fr; }
  .donate-box { display: block; }
  .donate-box .btn { margin-top: 1rem; }
  .hero h1 { font-size: 3.25rem; }
}