/*-----------------------------------------------------------
   Africa Climate Finance - Design System
   Modern nonprofit/finance UI - variables, typography, components
-----------------------------------------------------------*/

html { scroll-behavior: smooth; }

:root {
  --brand-green: #2d5a3d;
  --brand-green-light: #40865b;
  --brand-green-tint: rgba(64, 134, 91, 0.08);
  --text: #1a2e22;
  --text-muted: #5c6f65;
  --bg: #ffffff;
  --bg-alt: #f8faf9;
  --card: #ffffff;
  --card-shadow: 0 4px 20px rgba(0,0,0,0.06);
  --border: #e5ebe8;
  --border-light: #eef2ef;
  --radius: 16px;
  --radius-sm: 12px;
  --container-max: 1140px;
  --section-padding: clamp(48px, 5vw, 80px);
  --gap: clamp(24px, 3vw, 48px);
}

/* Container */
.ds-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography */
.ds-body { font-size: clamp(16px, 1.6vw, 18px); line-height: 1.65; color: var(--text); }
.ds-h1 { font-size: clamp(32px, 4vw, 48px); font-weight: 700; line-height: 1.2; color: var(--text); }
.ds-h2 { font-size: clamp(24px, 2.5vw, 36px); font-weight: 600; line-height: 1.3; color: var(--text); }
.ds-h3 { font-size: clamp(18px, 1.8vw, 22px); font-weight: 600; color: var(--text); }
.ds-eyebrow { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--brand-green-light); }
.ds-subtitle { font-size: 1rem; color: var(--text-muted); max-width: 42ch; line-height: 1.6; }

/* Section padding */
.ds-section { padding-top: var(--section-padding); padding-bottom: var(--section-padding); }
.ds-section-alt { background: var(--bg-alt); }

/* Hero / Breadcrumb */
.ds-hero {
  min-height: clamp(200px, 45vh, 320px);
  max-height: 55vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.ds-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45,90,61,0.75) 0%, rgba(0,0,0,0.4) 100%);
}
.ds-hero-content { position: relative; z-index: 2; text-align: center; }
.ds-hero h1 { color: #fff; margin-bottom: 0.5rem; }
.ds-breadcrumb { font-size: 0.8rem; color: rgba(255,255,255,0.85); }
.ds-breadcrumb a { color: rgba(255,255,255,0.9); text-decoration: none; }
.ds-breadcrumb a:hover { color: #fff; }
@media (max-width: 767px) {
  .ds-hero { min-height: clamp(180px, 30vh, 220px); max-height: 40vh; }
}

/* Override breadcrumb for About page hero */
.breadcrumb-wrap.ds-hero-override {
  padding: 0 !important;
  min-height: clamp(200px, 45vh, 320px) !important;
  max-height: 55vh;
  display: flex !important;
  align-items: center;
  justify-content: center;
}
.breadcrumb-wrap.ds-hero-override::after {
  background: linear-gradient(135deg, rgba(45,90,61,0.7) 0%, rgba(0,0,0,0.45) 100%) !important;
}
.breadcrumb-wrap.ds-hero-override .breadcrumb-title { position: relative; z-index: 2; text-align: center; }
.breadcrumb-wrap.ds-hero-override .breadcrumb-title h2 { color: #fff !important; font-size: clamp(28px, 3.5vw, 44px) !important; margin-bottom: 0.5rem; }
.breadcrumb-wrap.ds-hero-override .breadcrumb-menu { justify-content: center; }
.breadcrumb-wrap.ds-hero-override .breadcrumb-menu a,
.breadcrumb-wrap.ds-hero-override .breadcrumb-menu li { color: rgba(255,255,255,0.9) !important; font-size: 0.8rem; }
@media (max-width: 767px) {
  .breadcrumb-wrap.ds-hero-override { min-height: clamp(180px, 30vh, 220px) !important; max-height: 40vh; }
}

/* Header compact */
.ds-header-compact .header-top { padding-top: 0.4rem; padding-bottom: 0.4rem; }
.ds-header-compact .header-top .contact-info li { font-size: 0.8rem; }

/* Section header */
.ds-section-header { text-align: center; margin-bottom: clamp(32px, 4vw, 48px); }
.ds-section-header .ds-eyebrow { margin-bottom: 0.5rem; display: block; }
.ds-section-header .ds-h2 { margin-bottom: 0.5rem; }
.ds-section-header .ds-subtitle { margin: 0 auto; }

/* Impact Nav - sticky pills */
.ds-impact-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-light);
  padding: 12px 0;
}
.ds-impact-nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.ds-impact-nav-inner::-webkit-scrollbar { display: none; }
.ds-impact-nav .ds-nav-pills {
  display: flex;
  gap: 8px;
  flex-wrap: nowrap;
  justify-content: center;
  padding: 4px 0;
}
.ds-impact-nav .ds-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s ease;
}
.ds-impact-nav .ds-pill:hover { color: var(--brand-green); border-color: var(--brand-green-light); }
.ds-impact-nav .ds-pill.active { background: var(--brand-green); color: #fff; border-color: var(--brand-green); }

/* Two-column media + content */
.ds-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: center;
}
@media (max-width: 991px) { .ds-two-col { grid-template-columns: 1fr; } }
.ds-media-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-light);
  aspect-ratio: 16/10;
}
.ds-media-card img { width: 100%; height: 100%; object-fit: cover; }
.ds-media-card[style*="max-width"] { aspect-ratio: 16/10; }
.ds-media-card--contain { aspect-ratio: auto; min-height: 280px; }
.ds-media-card--contain img { object-fit: contain; background: #f8f9fa; }

/* Callout card */
.ds-callout {
  padding: 1.25rem 1.5rem;
  border-left: 4px solid var(--brand-green-light);
  background: var(--brand-green-tint);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
}

/* Impact Story block */
.ds-impact-story { margin-bottom: var(--gap); }
.ds-impact-story.reverse .ds-two-col > *:first-child { order: 2; }
.ds-impact-story.reverse .ds-two-col > *:last-child { order: 1; }
@media (max-width: 991px) {
  .ds-impact-story.reverse .ds-two-col > * { order: unset !important; }
}
.ds-impact-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.ds-impact-gallery a {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius-sm);
}
.ds-impact-gallery a img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 575px) { .ds-impact-gallery { grid-template-columns: repeat(2, 1fr); } }

/* Card grid */
.ds-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 767px) { .ds-card-grid { grid-template-columns: 1fr; } }
.ds-card {
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.ds-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(64,134,91,0.12);
  border-color: rgba(64,134,91,0.25);
}
.ds-card-icon { width: 40px; height: 40px; background: var(--brand-green-tint); border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; }
.ds-card-icon i { color: var(--brand-green-light); font-size: 1.25rem; }
.ds-card-title { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--text); }
.ds-card-desc { font-size: 0.9rem; line-height: 1.55; color: var(--text-muted); }

/* Numbered cards - grassroots */
.ds-numbered-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 991px) { .ds-numbered-cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px) { .ds-numbered-cards { grid-template-columns: 1fr; } }
.ds-numbered-card {
  padding: 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.ds-numbered-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}
.ds-numbered-card .num { font-size: 0.75rem; font-weight: 700; color: var(--brand-green-light); opacity: 0.7; letter-spacing: 0.08em; margin-bottom: 0.5rem; }
.ds-numbered-card.spans-2 { grid-column: span 2; }
@media (max-width: 991px) { .ds-numbered-card.spans-2 { grid-column: span 1; } }

/* Photo gallery */
.ds-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.ds-gallery-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius-sm);
}
.ds-gallery-item img { width: 100%; height: 100%; object-fit: cover; }
.ds-gallery-caption { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.5rem; }

/* Coming Soon card */
.ds-section-compact { padding-top: clamp(32px, 4vw, 56px) !important; padding-bottom: clamp(32px, 4vw, 56px) !important; }
.ds-coming-soon {
  max-width: 480px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
  text-align: center;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}
.ds-coming-soon-icon { font-size: 2.5rem; color: var(--brand-green-light); opacity: 0.6; margin-bottom: 1rem; }
.ds-coming-soon h3 { margin-bottom: 0.5rem; }
.ds-coming-soon p { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 0.95rem; }
.ds-coming-soon .btn { padding: 12px 24px; border-radius: 999px; font-weight: 500; }

/* Loan Program steps */
.ds-step-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 991px) { .ds-step-cards { grid-template-columns: 1fr; } }
.ds-step-card {
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.ds-step-badge { display: inline-block; padding: 6px 14px; background: var(--brand-green); color: #fff; font-size: 0.8rem; font-weight: 600; border-radius: 999px; margin-bottom: 1rem; }
.ds-step-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 1rem; }
.ds-step-thumbs a { aspect-ratio: 1; overflow: hidden; border-radius: 8px; }
.ds-step-thumbs a img { width: 100%; height: 100%; object-fit: cover; }

/* Spacing utilities */
.ds-mb-tight { margin-bottom: 1rem; }
.ds-mb { margin-bottom: 1.5rem; }
.ds-mb-lg { margin-bottom: 2rem; }

/* Safe area for floating widgets (chat left, back-to-top right) */
body.ds-page { padding-bottom: 80px; }
@media (max-width: 575px) { body.ds-page { padding-bottom: 100px; } }