:root {
  --ink: #202426;
  --muted: #607076;
  --line: #dce5e7;
  --paper: #fffaf2;
  --surface: #ffffff;
  --teal: #1f7a8c;
  --teal-dark: #135866;
  --coral: #db4d3f;
  --gold: #f6a23a;
  --leaf: #4f8b52;
  --shadow: 0 18px 45px rgba(26, 43, 48, .12);
  --radius: 8px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 250, 242, .93);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(220, 229, 231, .9);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img { width: 46px; height: 46px; }
.brand span { max-width: 160px; line-height: 1.05; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
  font-size: 15px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
  background: #ffffff;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.menu-toggle span {
  display: block;
  width: 19px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  background: var(--teal);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
}

.button:hover { background: var(--teal-dark); }
.button.secondary { background: var(--surface); color: var(--ink); border-color: var(--line); }
.button.secondary:hover { border-color: var(--teal); }
.button.coral { background: var(--coral); }
.button.coral:hover { background: #bd3d32; }

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  align-items: end;
  position: relative;
  overflow: hidden;
  background: #243b40;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17, 28, 31, .82) 0%, rgba(17, 28, 31, .52) 52%, rgba(17, 28, 31, .18) 100%),
    url("../images/ambur-field-visit.png") center/cover no-repeat;
}

.hero-content {
  position: relative;
  padding: 92px 0 118px;
  color: #fff;
  max-width: 770px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 13px;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 { font-size: clamp(42px, 7vw, 86px); }
h2 { font-size: clamp(30px, 4vw, 52px); }
h3 { font-size: 24px; }

.lead {
  font-size: clamp(18px, 2vw, 23px);
  color: #eef8f7;
  margin: 22px 0 32px;
}

.hero-actions,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.section { padding: 86px 0; }
.section.tight { padding: 58px 0; }
.section.white { background: #fff; }
.section.teal { background: #e8f4f5; }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .78fr);
  gap: 56px;
  align-items: center;
}

.quote-panel {
  border-left: 6px solid var(--gold);
  padding: 26px;
  background: #fff;
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.quote-panel blockquote {
  margin: 0;
  font-size: 22px;
  line-height: 1.45;
}

.quote-panel cite {
  display: block;
  margin-top: 18px;
  color: var(--muted);
  font-weight: 800;
  font-style: normal;
}

.intro-text p,
.content p { color: var(--muted); font-size: 17px; }

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.metric {
  background: #fff;
  padding: 26px;
}

.metric strong {
  display: block;
  font-size: 32px;
  color: var(--teal);
  line-height: 1;
}

.metric span { color: var(--muted); font-weight: 700; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 34px;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 12px 30px rgba(26, 43, 48, .06);
}

.card .icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: #e8f4f5;
  color: var(--teal);
  margin-bottom: 18px;
  font-size: 24px;
  font-weight: 900;
}

.card p { color: var(--muted); margin-bottom: 0; }

.page-hero {
  padding: 88px 0 72px;
  background: #123840;
  color: #fff;
}

.page-hero p {
  max-width: 780px;
  color: #d9eeee;
  font-size: 20px;
}

.breadcrumb {
  color: #b8dadd;
  font-weight: 800;
  margin-bottom: 20px;
}

.breadcrumb a { color: #fff; text-decoration: none; }

.feature-image {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff;
  width: 100%;
}

.story-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.story-band img {
  height: 100%;
  min-height: 420px;
  object-fit: contain;
  background: #fff;
  border-radius: var(--radius);
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 18px;
}

.timeline-item b {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--gold);
}

.need-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.need-list span {
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-weight: 800;
}

.donate-panel {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 42px;
  align-items: center;
}

.qr-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 800;
}

input, textarea, select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  font: inherit;
  background: #fff;
}

textarea { min-height: 132px; resize: vertical; }
.full { grid-column: 1 / -1; }

.site-footer {
  background: #18282c;
  color: #dcebed;
  padding: 46px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 32px;
}

.site-footer a {
  color: #fff;
  text-decoration: none;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.fine-print {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.14);
  color: #a9c0c4;
}

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .nav-links {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 76px;
    display: none;
    padding: 12px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
  }
  .nav-links.open { display: flex; }
  .nav-links a { justify-content: center; }
  .split,
  .story-band,
  .donate-panel,
  .footer-grid { grid-template-columns: 1fr; }
  .card-grid,
  .metric-strip { grid-template-columns: 1fr; }
  .hero { min-height: 720px; }
  .hero-content { padding: 76px 0 96px; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  .container { width: min(100% - 24px, 1120px); }
  .section { padding: 62px 0; }
  .brand span { max-width: 128px; }
  .hero { min-height: 660px; }
  .story-band img { min-height: 320px; }
  .timeline-item { grid-template-columns: 48px 1fr; }
}