:root {
  --bg: #f6f4ee;
  --ink: #132138;
  --ink-soft: #334564;
  --blue: #11316d;
  --red: #b82634;
  --gold: #bea15a;
  --card: #ffffff;
  --line: #d6dceb;
  --shadow: 0 18px 40px rgba(17, 49, 109, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Trebuchet MS", "Gill Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 100% 0%, rgba(17, 49, 109, 0.13), transparent 34%),
    radial-gradient(circle at 0% 20%, rgba(184, 38, 52, 0.09), transparent 30%),
    var(--bg);
  line-height: 1.5;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
  padding: 0.5rem 0.75rem;
  background: #fff;
  border: 2px solid var(--blue);
  z-index: 9999;
}

.container {
  width: min(1140px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(7px);
  background: rgba(246, 244, 238, 0.92);
  border-bottom: 1px solid rgba(17, 49, 109, 0.12);
}

.nav-wrap {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-family: "Baskerville", "Palatino Linotype", serif;
  font-size: 1.35rem;
  text-decoration: none;
  letter-spacing: 0.02em;
}

nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.95rem;
}

nav a {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--ink-soft);
  font-weight: 600;
}

.nav-cta {
  color: #fff;
  background: linear-gradient(125deg, var(--blue), #1a4faa);
  padding: 0.6rem 0.95rem;
  border-radius: 999px;
  box-shadow: 0 8px 22px rgba(17, 49, 109, 0.25);
}

section {
  padding: 4.2rem 0;
}

.hero {
  padding-top: 5.4rem;
  padding-bottom: 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.2rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-weight: 800;
  color: var(--blue);
}

h1,
h2,
h3 {
  font-family: "Baskerville", "Palatino Linotype", serif;
  line-height: 1.1;
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

h2 {
  font-size: clamp(1.55rem, 2.7vw, 2.3rem);
}

h3 {
  font-size: clamp(1.2rem, 2.1vw, 1.5rem);
}

.lead {
  margin: 1.2rem 0 1.4rem;
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 1.04rem;
}

.hero-actions,
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.74rem 1.15rem;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(125deg, var(--red), #d34f5a);
  color: #fff;
  box-shadow: 0 12px 26px rgba(184, 38, 52, 0.28);
}

.btn-outline {
  border: 1px solid rgba(17, 49, 109, 0.3);
  color: var(--blue);
  background: rgba(255, 255, 255, 0.86);
}

.hero-points {
  margin: 1.25rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
}

.hero-points li + li {
  margin-top: 0.45rem;
}

.hero-image {
  margin: 0;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 5px solid #fff;
}

.quick-facts,
.impact,
.tiers {
  background: linear-gradient(180deg, #fff, #f6f8ff);
  border-top: 1px solid rgba(17, 49, 109, 0.09);
  border-bottom: 1px solid rgba(17, 49, 109, 0.09);
}

.quick-facts h2,
.impact h2,
.tiers h2,
.partners h2 {
  margin-bottom: 1.4rem;
}

.card-grid,
.impact-grid,
.tier-grid {
  display: grid;
  gap: 1rem;
}

.card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.fact-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.1rem;
  box-shadow: 0 8px 18px rgba(17, 49, 109, 0.07);
}

.fact-card h3 {
  color: var(--blue);
  font-size: 1.55rem;
  margin-bottom: 0.35rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.7rem;
  align-items: start;
}

.section-copy p {
  color: var(--ink-soft);
}

.visual-stack {
  display: grid;
  gap: 0.95rem;
}

.visual-stack figure {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(17, 49, 109, 0.15);
  box-shadow: 0 9px 20px rgba(17, 49, 109, 0.1);
  background: #fff;
}

.inline-logo {
  width: min(320px, 90%);
  margin-top: 0.85rem;
}

.impact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.impact-grid article {
  padding: 1rem 1rem 0.75rem;
  border-left: 4px solid var(--blue);
  background: #fff;
  box-shadow: 0 8px 20px rgba(17, 49, 109, 0.08);
}

.impact-grid h3 {
  margin-bottom: 0.45rem;
}

.tiers-note {
  margin: 0 0 1rem;
  color: var(--ink-soft);
}

.tier-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.tier {
  text-align: center;
  padding: 1rem;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 8px 20px rgba(17, 49, 109, 0.08);
}

.tier p {
  margin: 0.3rem 0 0;
  font-weight: 700;
  color: var(--ink-soft);
}

.bronze {
  border-top: 5px solid #9c6a47;
}

.silver {
  border-top: 5px solid #9ba7c2;
}

.gold {
  border-top: 5px solid #c9a952;
}

.platinum {
  border-top: 5px solid #7b86a9;
}

.donate-grid {
  display: grid;
  gap: 1.35rem;
  grid-template-columns: 1.3fr 0.7fr;
  align-items: start;
}

.payment-details {
  margin-top: 1rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
}

.payment-details h3 {
  margin-bottom: 0.3rem;
  color: var(--blue);
}

.payment-details p {
  margin-top: 0;
  margin-bottom: 0.9rem;
  color: var(--ink-soft);
}

.receipt-note {
  margin-bottom: 0;
  font-size: 0.92rem;
}

.qr-card {
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 1rem;
  text-align: center;
  position: sticky;
  top: 96px;
}

.qr-card img {
  border-radius: 14px;
  width: min(100%, 340px);
  margin: 0 auto;
}

.qr-card p {
  margin: 0.8rem 0 0;
  font-weight: 700;
  color: var(--ink-soft);
}

.partners img {
  width: min(100%, 1000px);
  border-radius: 14px;
  border: 1px solid rgba(17, 49, 109, 0.13);
  margin-top: 1rem;
  background: #fff;
}

.partners p {
  margin-top: 0;
  color: var(--ink-soft);
  max-width: 75ch;
}

.site-footer {
  border-top: 1px solid rgba(17, 49, 109, 0.12);
  background: #fefefe;
  padding: 2rem 0;
}

.footer-wrap {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}

.footer-wrap img {
  width: 200px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.3rem;
}

.footer-wrap p {
  margin: 0.22rem 0;
}

.small {
  font-size: 0.86rem;
  color: #5c6c8a;
}

.floating-donate {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 25;
  background: linear-gradient(125deg, var(--red), #d34f5a);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.72rem 1rem;
  box-shadow: 0 12px 22px rgba(184, 38, 52, 0.4);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 550ms ease, transform 550ms ease;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tier-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split,
  .donate-grid,
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-image {
    max-width: 640px;
  }

  .qr-card {
    position: static;
  }
}

@media (max-width: 740px) {
  nav a:not(.nav-cta) {
    display: none;
  }

  section {
    padding: 3.3rem 0;
  }

  .card-grid,
  .impact-grid,
  .tier-grid {
    grid-template-columns: 1fr;
  }

  .footer-wrap {
    grid-template-columns: 1fr;
  }
}