:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: #101c31;
  --panel-2: #16243e;
  --text: #f5f7ff;
  --muted: #9fb0ca;
  --primary: #4ecb71;
  --primary-dark: #2f9a50;
  --accent: #64b5ff;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 45px rgba(0, 0, 0, 0.25);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, var(--bg), #12233b 45%, #0c1a2b);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.hero {
  min-height: 100vh;
  padding-bottom: 72px;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
}

.hero-content {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  gap: 28px;
  align-items: center;
  padding: 48px 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  line-height: 1.1;
  margin: 0 0 16px;
}

.hero-copy {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 200ms ease, background 200ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--primary);
  color: #041016;
}

.button.primary:hover {
  background: var(--primary-dark);
}

.button.secondary {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.04);
}

.hero-card,
.panel,
.charity-card {
  background: rgba(16, 28, 49, 0.92);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 28px;
}

.hero-card ul {
  padding-left: 20px;
  color: var(--muted);
}

.section {
  padding: 28px 0 72px;
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading h2,
.panel h2,
.panel h3 {
  margin: 0 0 8px;
}

.section-heading p,
.form-hint {
  color: var(--muted);
}

.charities-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.charity-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 170px;
}

.charity-card h3 {
  margin: 0 0 6px;
}

.charity-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.charity-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.92);
  padding: 6px;
  flex-shrink: 0;
}

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

.badge {
  align-self: flex-start;
  padding: 6px 10px;
  background: rgba(100, 181, 255, 0.16);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.85rem;
}

.card-link {
  margin-top: auto;
  width: fit-content;
  font-weight: 700;
  color: var(--primary);
}

.donate-section {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 22px;
}

.panel {
  padding: 24px;
}

form {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.select-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.button.small {
  padding: 8px 12px;
  font-size: 0.95rem;
}

label {
  font-weight: 600;
}

input,
select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--muted);
}

.checkbox input {
  width: auto;
}

.status-pill {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(78, 203, 113, 0.16);
  color: var(--primary);
  margin: 8px 0 14px;
}

.feed-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.feed-list li {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.feed-list strong {
  color: var(--primary);
}

@media (max-width: 900px) {
  .hero-content,
  .donate-section,
  .charities-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding-top: 18px;
  }
}