/**
 * Donation-site design system
 * max-width 1120px, mobile-first, CSS variables
 */
:root {
  /* Colors */
  --donate-primary: #5a7d6e;
  --donate-primary-hover: #4a6d5e;
  --donate-nav: #6b7f73;
  --donate-footer: #4a5d52;
  --donate-bg: #f8f6f3;
  --donate-card-bg: #fff;
  --donate-text: #2d3436;
  --donate-text-muted: #636e72;
  --donate-border: rgba(0, 0, 0, 0.08);
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  /* Layout */
  --container-max: 1120px;
  --container-padding: 1rem;
  /* Radius & shadow */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.landing-container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* Landing sections */
.landing-section {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
  .landing-section {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
  }
}

.landing-section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--donate-text);
  margin-bottom: var(--space-xl);
  text-align: center;
}

@media (min-width: 768px) {
  .landing-section-title {
    font-size: 1.75rem;
    margin-bottom: var(--space-2xl);
  }
}

/* Grid: 1 col mobile, 2 tablet, 3 desktop */
.landing-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .landing-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }
}

@media (min-width: 992px) {
  .landing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.landing-grid-2 {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .landing-grid-2 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }
}

/* Cards */
.landing-card {
  background: var(--donate-card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  border: 1px solid var(--donate-border);
}

.landing-card:hover {
  box-shadow: var(--shadow-md);
}

/* Buttons */
.landing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.25;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  border: 2px solid transparent;
}

.landing-btn-primary {
  background: var(--donate-primary);
  color: #fff;
  border-color: var(--donate-primary);
}

.landing-btn-primary:hover,
.landing-btn-primary:focus {
  background: var(--donate-primary-hover);
  border-color: var(--donate-primary-hover);
  color: #fff;
}

.landing-btn-secondary {
  background: transparent;
  color: var(--donate-primary);
  border-color: var(--donate-primary);
}

.landing-btn-secondary:hover,
.landing-btn-secondary:focus {
  background: var(--donate-primary);
  color: #fff;
}

/* Hero: vertical on mobile, two columns on desktop */
.landing-hero {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

@media (min-width: 992px) {
  .landing-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
  }
}

.landing-hero-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--donate-text);
  line-height: 1.25;
  margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
  .landing-hero-title {
    font-size: 2.25rem;
  }
}

.landing-hero-tagline {
  font-size: 1.125rem;
  color: var(--donate-primary);
  margin-bottom: var(--space-lg);
}

.landing-hero-subtitle {
  font-size: 1rem;
  color: var(--donate-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
}

.landing-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.landing-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.landing-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  color: var(--donate-text-muted);
  background: var(--donate-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--donate-border);
}

/* How it works: 4 steps */
.landing-steps {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .landing-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .landing-steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.landing-step {
  text-align: center;
  padding: var(--space-lg);
}

.landing-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  font-weight: 700;
  color: #fff;
  background: var(--donate-primary);
  border-radius: 50%;
  margin-bottom: var(--space-md);
}

.landing-step-title {
  font-weight: 600;
  color: var(--donate-text);
  margin-bottom: var(--space-xs);
}

.landing-step-text {
  font-size: 0.9375rem;
  color: var(--donate-text-muted);
  line-height: 1.5;
}

/* Transparency block */
.landing-transparency-line {
  font-size: 1rem;
  color: var(--donate-text-muted);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--donate-border);
}

.landing-transparency-line:last-child {
  border-bottom: none;
}

/* FAQ: details/summary */
.landing-faq details {
  border: 1px solid var(--donate-border);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  background: var(--donate-card-bg);
}

.landing-faq summary {
  padding: var(--space-md) var(--space-lg);
  font-weight: 600;
  color: var(--donate-text);
  cursor: pointer;
  list-style: none;
}

.landing-faq summary::-webkit-details-marker {
  display: none;
}

.landing-faq summary::after {
  content: '+';
  float: right;
}

.landing-faq details[open] summary::after {
  content: '−';
}

.landing-faq summary:hover,
.landing-faq summary:focus {
  color: var(--donate-primary);
}

.landing-faq .faq-answer {
  padding: 0 var(--space-lg) var(--space-md);
  color: var(--donate-text-muted);
  line-height: 1.6;
}

/* Final CTA */
.landing-final {
  text-align: center;
  padding: var(--space-3xl) var(--container-padding);
}

.landing-final-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--donate-text);
  margin-bottom: var(--space-xl);
}

/* Agent card */
.landing-agent-card {
  background: var(--donate-card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-lg);
  border: 1px solid var(--donate-border);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.landing-agent-card:hover {
  box-shadow: var(--shadow-md);
}

.landing-agent-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--donate-text);
  margin-bottom: var(--space-sm);
}

.landing-agent-tagline {
  font-size: 0.9375rem;
  color: var(--donate-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.landing-agent-balance {
  font-size: 0.875rem;
  color: var(--donate-text-muted);
  margin-bottom: var(--space-lg);
}

.landing-agent-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}