/* ─── RESET & BASE ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: #f0f4f8;
  color: #1a2535;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ─── DESIGN TOKENS ────────────────────────────────────────────────── */
:root {
  --navy:       #0d2d5e;
  --navy-mid:   #1a4a8a;
  --blue:       #1e5fbe;
  --blue-light: #3b82f6;
  --sky:        #e8f1fb;
  --orange:     #e8720c;
  --orange-hov: #d4620a;
  --orange-lt:  #fff4ec;
  --white:      #ffffff;
  --bg:         #f0f4f8;
  --bg-card:    #ffffff;
  --text:       #1a2535;
  --text-mid:   #3d5166;
  --text-muted: #6b82a0;
  --border:     #dce6f0;
  --green:      #059669;
  --shadow-sm:  0 1px 3px rgba(13,45,94,.06), 0 4px 12px rgba(13,45,94,.08);
  --shadow-md:  0 2px 6px rgba(13,45,94,.08), 0 12px 30px rgba(13,45,94,.10);
  --shadow-lg:  0 4px 12px rgba(13,45,94,.10), 0 20px 48px rgba(13,45,94,.14);
  --shadow-xl:  0 8px 24px rgba(13,45,94,.14), 0 32px 64px rgba(13,45,94,.18);
  --radius-sm:  8px;
  --radius:     14px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --trans:      all 0.22s cubic-bezier(.4,0,.2,1);
}

/* ─── SCROLL ANIMATION BASE ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(.4,0,.2,1), transform 0.6s cubic-bezier(.4,0,.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─── TOPBAR ───────────────────────────────────────────────────────── */
.topbar {
  background: var(--navy);
  color: rgba(255,255,255,0.65);
  font-size: 0.78rem;
  text-align: center;
  padding: 8px 20px;
  letter-spacing: 0.03em;
}
.topbar strong { color: rgba(255,255,255,0.9); }

/* ─── HEADER ───────────────────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(13,45,94,.04), 0 4px 16px rgba(13,45,94,.06);
}
.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
/* ── Logo SVG theming ── */
.logo-svg {
  height: 68px;
  width: auto;
  display: block;
  overflow: visible;
}
.logo-star { fill: var(--navy); }
.logo-dna-strand { stroke: white; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.logo-dna-rung   { stroke: white; stroke-width: 1.2; stroke-linecap: round; }
.logo-text-main  { fill: var(--navy); }
.logo-text-sub   { fill: var(--text-muted); }
/* Footer: inverted color scheme */
.footer-brand .logo-star       { fill: white; }
.footer-brand .logo-dna-strand { stroke: var(--navy); }
.footer-brand .logo-dna-rung   { stroke: var(--navy); }
.footer-brand .logo-text-main  { fill: white; }
.footer-brand .logo-text-sub   { fill: rgba(255,255,255,0.45); }
nav { display: flex; align-items: center; gap: 2px; }
nav a {
  color: var(--text-mid);
  text-decoration: none;
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--trans);
  white-space: nowrap;
}
nav a:hover { background: var(--sky); color: var(--blue); }
.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--orange);
  color: white;
  padding: 10px 22px;
  border-radius: 40px;
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 2px 8px rgba(232,114,12,.35), 0 6px 20px rgba(232,114,12,.20);
  transition: var(--trans);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  background: var(--orange-hov);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(232,114,12,.45), 0 10px 28px rgba(232,114,12,.25);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--sky);
  color: var(--blue);
  padding: 10px 22px;
  border-radius: 40px;
  font-weight: 700;
  font-size: 0.9rem;
  border: 1.5px solid rgba(30,95,190,.2);
  cursor: pointer;
  font-family: inherit;
  transition: var(--trans);
  text-decoration: none;
}
.btn-secondary:hover {
  background: #d4e5f8;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
  border-radius: 50px;
}

/* ─── HERO ─────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, #1a4a8a 45%, #1d5fc5 100%);
  position: relative;
  overflow: hidden;
  padding: 0;
}
.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.07;
  background: white;
}
.hero-circle-1 { width: 600px; height: 600px; top: -200px; right: -150px; }
.hero-circle-2 { width: 300px; height: 300px; bottom: -80px; left: 30%; }
.hero-circle-3 { width: 150px; height: 150px; top: 20%; left: 10%; opacity: 0.05; }
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 80px 32px 90px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 40px;
  padding: 6px 14px 6px 10px;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.hero-badge-dot {
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(74,222,128,.25);
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(74,222,128,.25); }
  50% { box-shadow: 0 0 0 6px rgba(74,222,128,.1); }
}
.hero-badge span {
  color: rgba(255,255,255,.9);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.hero-title {
  font-family: 'Lora', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: white;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-title em {
  font-style: italic;
  color: #93c5fd;
}
.hero-desc {
  color: rgba(255,255,255,.75);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--orange);
  color: white;
  padding: 15px 30px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 4px 16px rgba(232,114,12,.45), 0 12px 32px rgba(232,114,12,.25);
  transition: var(--trans);
}
.btn-hero-primary:hover {
  background: var(--orange-hov);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(232,114,12,.55), 0 16px 40px rgba(232,114,12,.3);
}
.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  color: white;
  padding: 15px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  border: 1.5px solid rgba(255,255,255,.3);
  cursor: pointer;
  font-family: inherit;
  backdrop-filter: blur(6px);
  transition: var(--trans);
}
.btn-hero-secondary:hover {
  background: rgba(255,255,255,.2);
  transform: translateY(-2px);
}
.progress-card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  padding: 20px 22px;
  backdrop-filter: blur(10px);
  max-width: 440px;
}
.progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}
.progress-raised {
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
}
.progress-goal {
  font-size: 0.85rem;
  color: rgba(255,255,255,.6);
  font-weight: 500;
}
.progress-track {
  background: rgba(255,255,255,.15);
  border-radius: 10px;
  height: 10px;
  overflow: hidden;
  margin-bottom: 10px;
}
.progress-fill {
  height: 100%;
  border-radius: 10px;
  background: linear-gradient(90deg, #60a5fa, #93c5fd);
  width: 24.5%;
  position: relative;
  overflow: hidden;
}
.progress-fill::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.4), transparent);
  animation: shimmer 2.2s ease infinite;
}
@keyframes shimmer {
  0% { left: -200%; }
  100% { left: 100%; }
}
.progress-sub {
  font-size: 0.8rem;
  color: rgba(255,255,255,.6);
}
.progress-sub strong { color: rgba(255,255,255,.9); }

/* HERO IMAGE PANEL */
.hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}
.hero-photo-frame {
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 3px solid rgba(255,255,255,.15);
  position: relative;
}
.hero-photo-frame img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  display: block;
}
.hero-stat-float {
  position: absolute;
  bottom: -16px;
  left: -20px;
  background: white;
  border-radius: var(--radius);
  padding: 12px 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 160px;
}
.hero-stat-icon {
  width: 38px; height: 38px;
  background: var(--orange-lt);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
}
.hero-stat-num {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}
.hero-stat-lbl {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
}
.hero-stat-float-2 {
  position: absolute;
  top: 20px;
  right: -24px;
  background: var(--navy);
  border-radius: var(--radius);
  padding: 10px 16px;
  box-shadow: var(--shadow-lg);
  color: white;
  text-align: center;
}
.hero-stat-float-2 .num { font-size: 1.3rem; font-weight: 800; display: block; }
.hero-stat-float-2 .lbl { font-size: 0.7rem; opacity: 0.7; }

/* ─── SECTION WRAPPERS ────────────────────────────────────────────── */
.section { padding: 80px 0; }
.section-sm { padding: 60px 0; }
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--sky);
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 40px;
  margin-bottom: 16px;
  border: 1px solid rgba(30,95,190,.15);
}
.section-title {
  font-family: 'Lora', serif;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-mid);
  line-height: 1.7;
  max-width: 580px;
}

/* ─── STATS STRIP ──────────────────────────────────────────────────── */
.stats-strip {
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.stats-strip-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.stat-pill {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px 32px;
  border-right: 1px solid var(--border);
  transition: var(--trans);
}
.stat-pill:last-child { border-right: none; }
.stat-pill:hover { background: var(--sky); }
.stat-icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  background: var(--sky);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: var(--trans);
}
.stat-pill:hover .stat-icon-wrap { background: var(--blue); }
.stat-pill:hover .stat-icon-wrap svg { stroke: white; }
.stat-info-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 3px;
}
.stat-info-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
}
.stat-info-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 1px;
}

/* ─── COMMUNITY HISTORY ─────────────────────────────────────────────── */
.history-bg { background: white; }
.history-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.history-visual {
  position: relative;
}
.disease-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.disease-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--trans);
  cursor: default;
}
.disease-card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(30,95,190,.2);
}
.disease-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.disease-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
}
.disease-status {
  font-size: 0.78rem;
  color: var(--green);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
}
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #dcfce7;
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  margin-left: auto;
  flex-shrink: 0;
}
.slc-target-card {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-md);
  margin-top: 4px;
  border: none;
}
.slc-target-card .disease-name { color: white; }
.slc-target-card .disease-status { color: rgba(255,255,255,.6); }
.slc-target-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--orange);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  margin-left: auto;
  flex-shrink: 0;
}

/* ─── CHILDREN SECTION ─────────────────────────────────────────────── */
.children-bg {
  background: linear-gradient(165deg, #0d2d5e 0%, #1a4a8a 50%, #1e5fbe 100%);
  position: relative;
  overflow: hidden;
}
.children-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
}
.children-header {
  text-align: center;
  margin-bottom: 52px;
  position: relative;
  z-index: 1;
}
.children-header .section-label {
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.9);
  border-color: rgba(255,255,255,.2);
  margin: 0 auto 16px;
  display: inline-flex;
}
.children-header .section-title { color: white; }
.children-header .section-desc { color: rgba(255,255,255,.65); margin: 0 auto; }
.children-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 44px;
  position: relative;
  z-index: 1;
}
.child-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--trans);
  cursor: pointer;
}
.child-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.child-photo {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  background: #c5d8ee;
}
.child-body {
  padding: 20px 22px 24px;
}
.child-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 4px;
}
.child-age {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--sky);
  color: var(--blue);
  font-size: 0.73rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.child-quote {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.55;
  font-style: italic;
}
.child-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--blue);
  font-size: 0.84rem;
  font-weight: 700;
  margin-top: 12px;
  text-decoration: none;
  transition: var(--trans);
}
.child-link:hover { gap: 8px; }
.children-cta {
  text-align: center;
  position: relative;
  z-index: 1;
}

/* ─── RESEARCH & STEPS ─────────────────────────────────────────────── */
.research-bg { background: var(--bg); }
.research-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.research-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  transition: var(--trans);
}
.research-card:hover { box-shadow: var(--shadow-lg); }
.research-card .section-title { font-size: 1.35rem; margin-bottom: 28px; }

/* Pie */
.pie-layout {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-bottom: 24px;
}
.pie-svg { flex-shrink: 0; }
.legend { flex: 1; display: flex; flex-direction: column; gap: 10px; }
.legend-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
}
.legend-swatch {
  width: 12px; height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}
.legend-pct { font-weight: 800; color: var(--navy); min-width: 36px; }
.legend-name { color: var(--text-mid); }
.research-footnote {
  background: var(--sky);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.84rem;
  color: var(--text-mid);
  border-left: 3px solid var(--blue-light);
  line-height: 1.5;
}

/* Steps */
.steps-list { display: flex; flex-direction: column; gap: 0; }
.step-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: var(--trans);
}
.step-row:last-child { border-bottom: none; }
.step-row:hover { color: var(--navy); }
.step-row.done { color: var(--navy); }
.step-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: var(--trans);
}
.step-row.done .step-num {
  background: var(--blue);
  border-color: var(--blue);
  color: white;
}
.step-label { flex: 1; }
.step-tag {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tag-done { background: #dcfce7; color: var(--green); }
.tag-next { background: var(--orange-lt); color: var(--orange); }

/* ─── HOW TO HELP ──────────────────────────────────────────────────── */
.help-bg { background: white; }
.help-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 52px;
}
.help-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--trans);
  cursor: pointer;
}
.help-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  background: white;
  border-color: rgba(30,95,190,.2);
}
.help-icon-wrap {
  width: 64px; height: 64px;
  border-radius: 16px;
  margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  transition: var(--trans);
}
.help-card:hover .help-icon-wrap { transform: scale(1.1); }
.help-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.help-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.help-cta {
  text-align: center;
  margin-top: 44px;
}

/* ─── DONATION TIERS ───────────────────────────────────────────────── */
.donate-bg {
  background: linear-gradient(165deg, #0d2d5e 0%, #1a4a8a 100%);
  position: relative;
  overflow: hidden;
}
.donate-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59,130,246,.15) 0%, transparent 70%);
}
.donate-header {
  text-align: center;
  margin-bottom: 52px;
  position: relative;
  z-index: 1;
}
.donate-header .section-label {
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.9);
  border-color: rgba(255,255,255,.2);
  margin: 0 auto 16px;
}
.donate-header .section-title { color: white; }
.donate-header .section-desc { color: rgba(255,255,255,.65); margin: 0 auto; }
.tiers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  position: relative;
  z-index: 1;
  margin-bottom: 40px;
}
.tier-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: var(--trans);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.tier-card:hover {
  background: rgba(255,255,255,.14);
  transform: translateY(-4px);
  border-color: rgba(255,255,255,.3);
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
.tier-card.featured {
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 8px 32px rgba(232,114,12,.45);
}
.tier-card.featured:hover {
  background: var(--orange-hov);
  transform: translateY(-6px);
  box-shadow: 0 14px 44px rgba(232,114,12,.55);
}
.tier-featured-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,.25);
  color: white;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 20px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.tier-amount {
  font-size: 2rem;
  font-weight: 900;
  color: white;
  line-height: 1;
  margin-bottom: 6px;
}
.tier-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: rgba(255,255,255,.6);
  margin-bottom: 14px;
}
.tier-card.featured .tier-label { color: rgba(255,255,255,.8); }
.tier-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,.75);
  line-height: 1.5;
}
.tier-card.featured .tier-desc { color: rgba(255,255,255,.9); }
.tier-btn {
  display: block;
  width: 100%;
  margin-top: 18px;
  padding: 10px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  border: 1.5px solid rgba(255,255,255,.3);
  background: rgba(255,255,255,.1);
  color: white;
  transition: var(--trans);
}
.tier-btn:hover { background: rgba(255,255,255,.2); }
.tier-card.featured .tier-btn {
  background: white;
  color: var(--orange);
  border-color: white;
}
.tier-card.featured .tier-btn:hover { background: #fff4ec; }
.donate-footer {
  text-align: center;
  position: relative;
  z-index: 1;
}
.donate-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.55);
  font-size: 0.8rem;
}
.trust-item svg { opacity: 0.7; }

/* ─── FOOTER ───────────────────────────────────────────────────────── */
footer {
  background: var(--navy);
  padding: 48px 0 28px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand .logo-name { color: white; }
.footer-brand .logo-sub { color: rgba(255,255,255,.4); }
.footer-brand p {
  font-size: 0.85rem;
  color: rgba(255,255,255,.45);
  line-height: 1.65;
  max-width: 240px;
}
.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,.5);
  margin-bottom: 14px;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,.6);
  text-decoration: none;
  font-size: 0.87rem;
  margin-bottom: 8px;
  transition: var(--trans);
}
.footer-col a:hover { color: rgba(255,255,255,.95); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,.35);
}
.footer-bottom .tax {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: rgba(255,255,255,.45);
}

/* ─── MOBILE NAV HAMBURGER ─────────────────────────────────────────── */
.nav-toggle { display: none; }

/* ─── RESPONSIVE ───────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  nav { display: none; }
}
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .stats-strip-inner { grid-template-columns: 1fr; }
  .stat-pill { border-right: none; border-bottom: 1px solid var(--border); }
  .stat-pill:last-child { border-bottom: none; }
  .history-inner { grid-template-columns: 1fr; gap: 44px; }
  .children-grid { grid-template-columns: 1fr; }
  .research-grid { grid-template-columns: 1fr; }
  .help-grid { grid-template-columns: repeat(2, 1fr); }
  .tiers-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .header-inner nav { display: none; }
  .container { padding: 0 20px; }
  .section { padding: 60px 0; }
}
@media (max-width: 500px) {
  .help-grid { grid-template-columns: 1fr; }
  .tiers-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .donate-trust { flex-direction: column; gap: 12px; }
}


nav a.nav-active {
  background: var(--sky);
  color: var(--blue);
  font-weight: 700;
}
/* ── Subpage hero ── */
.sub-hero {
  background: linear-gradient(160deg, var(--navy) 0%, #1a4a8a 45%, #1d5fc5 100%);
  padding: 64px 0 72px;
  position: relative;
  overflow: hidden;
}
.sub-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.sub-hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}
.sub-hero .section-label {
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.9);
  border-color: rgba(255,255,255,.2);
  margin-bottom: 18px;
}
.sub-hero h1 {
  font-family: 'Lora', serif;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 700;
  color: white;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  max-width: 700px;
}
.sub-hero p {
  color: rgba(255,255,255,.75);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 620px;
}
/* ── Content cards ── */
.content-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  transition: var(--trans);
}
.content-card:hover { box-shadow: var(--shadow-lg); }
.content-card h2 {
  font-family: 'Lora', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.content-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin: 20px 0 8px;
}
.content-card p {
  font-size: 0.97rem;
  color: var(--text-mid);
  line-height: 1.75;
  margin-bottom: 12px;
}
.content-card ul {
  padding-left: 18px;
  margin-bottom: 12px;
}
.content-card ul li {
  font-size: 0.97rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 6px;
}
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.three-col { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.highlight-box {
  background: var(--sky);
  border-left: 4px solid var(--blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 16px 0;
}
.highlight-box p { color: var(--text-mid); margin: 0; font-size: 0.93rem; }
.stat-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin: 24px 0;
}
.stat-box {
  background: var(--sky);
  border-radius: var(--radius);
  padding: 20px 24px;
  flex: 1;
  min-width: 140px;
  text-align: center;
  border: 1px solid var(--border);
}
.stat-box .n {
  font-size: 2rem;
  font-weight: 900;
  color: var(--navy);
  display: block;
  line-height: 1;
  margin-bottom: 4px;
}
.stat-box .l {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.icon-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--trans);
}
.icon-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(30,95,190,.2);
}
.icon-card .ico {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 14px;
}
.icon-card h3 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.icon-card p { font-size: 0.86rem; color: var(--text-muted); line-height: 1.55; margin: 0; }
.story-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  transition: var(--trans);
}
.story-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.story-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  background: #c5d8ee;
}
.story-body { padding: 24px; }
.story-body h3 { font-size: 1.1rem; font-weight: 800; color: var(--navy); margin-bottom: 6px; }
.story-tag {
  display: inline-flex;
  align-items: center;
  background: var(--sky);
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 20px;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.story-body p { font-size: 0.9rem; color: var(--text-mid); line-height: 1.6; }
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 6px; bottom: 6px;
  width: 2px;
  background: var(--border);
}
.tl-item {
  position: relative;
  margin-bottom: 28px;
}
.tl-dot {
  position: absolute;
  left: -28px; top: 4px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--border);
  border: 2px solid white;
  box-shadow: 0 0 0 2px var(--border);
}
.tl-dot.done { background: var(--blue); box-shadow: 0 0 0 2px var(--blue-light); }
.tl-dot.active { background: var(--orange); box-shadow: 0 0 0 2px #fbd5b5; }
.tl-year { font-size: 0.75rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 3px; }
.tl-title { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.tl-desc { font-size: 0.88rem; color: var(--text-mid); line-height: 1.55; }
@media (max-width: 768px) {
  .two-col { grid-template-columns: 1fr; }
  .three-col { grid-template-columns: 1fr; }
}


/* ─── HAMBURGER / MOBILE NAV ───────────────────────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  gap: 5px;
  padding: 0;
  transition: var(--trans);
  flex-shrink: 0;
}
.nav-toggle:hover { background: var(--sky); border-color: rgba(30,95,190,.2); }
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--trans);
}

/* Mobile nav overlay */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(13,45,94,0.45);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.mobile-nav-overlay.open { opacity: 1; }

.mobile-nav-panel {
  position: fixed;
  top: 0; right: -320px;
  width: 300px;
  height: 100%;
  background: white;
  z-index: 201;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  transition: right 0.3s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
}
.mobile-nav-panel.open { right: 0; }

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.mobile-nav-header .logo-svg { height: 48px; }
.mobile-nav-close {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--trans);
  font-size: 1.1rem;
  color: var(--text-mid);
}
.mobile-nav-close:hover { background: var(--sky); border-color: rgba(30,95,190,.2); color: var(--blue); }

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  gap: 4px;
  flex: 1;
}
.mobile-nav-links a {
  color: var(--text-mid);
  text-decoration: none;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--trans);
  display: block;
}
.mobile-nav-links a:hover,
.mobile-nav-links a.nav-active { background: var(--sky); color: var(--blue); font-weight: 700; }

.mobile-nav-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mobile-nav-footer .btn-primary,
.mobile-nav-footer .btn-secondary {
  width: 100%;
  justify-content: center;
}

@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
}