:root {
  --primary: #0F172A;
  --accent: #021339;
  --accent-light: #EFF6FF;
  --text: #334155;
  --text-muted: #64748B;
  --bg: #F8FAFC;
  --card-bg: #FFFFFF;
  --border: #E2E8F0;
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --radius: 12px;
  --header-bg: #121212;

  /* Pillar Theme Colors */
  --pillar-1: #025B88; /* Sky Blue    - 1. Empowered Child */
  --pillar-2: #2563EB; /* Royal Blue  - 2. Engaged Parent */
  --pillar-3: #4F46E5; /* Indigo      - 3. Insightful Educator */
  --pillar-4: #075A53; /* Teal        - 4. Accessible Help */
  --pillar-gov: #0F172A; /* Dark Navy - 5. Governance (outer ring) */
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.6;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

h1, h2, h3 { color: var(--primary); font-weight: 700; line-height: 1.25; }
h1 { font-size: 2.5rem; margin-bottom: 1rem; }
h2 { font-size: 1.875rem; text-align: center; margin-bottom: 2.5rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }

p { margin-bottom: 1rem; }
.text-center { text-align: center; }
section { padding: 4rem 0; }

/* ============ HEADER (dark, Spotify-style) ============ */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 24px;
  background-color: #121212;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid #222222;
  transition: background-color 180ms ease;
}

.header-logo { display: flex; align-items: center; gap: 12px; }
.logo-icon-header { height: 24px; width: auto; object-fit: contain; }

.header-title {
  color: #ffffff;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.header-nav { display: flex; align-items: center; gap: 1.5rem; list-style: none; }

.header-nav a {
  color: #f8f5f5;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  transition: color 0.2s ease;
}
.header-nav a:hover { color: #ffffff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: #ffffff;
  border-radius: 2px;
}

.btn {
  display: inline-block;
  background-color: var(--accent);
  color: #FFF !important;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  transition: background-color 0.2s ease;
}
.btn:hover { background-color: #1D4ED8; }

/* ============ DARK HERO (icon + title) ============ */
.hero-section {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 12px 20px;
  background-color: #121212;
}

.hero-logo-wrapper { display: flex; flex-direction: column; align-items: center; }

.logo-icon-hero {
  height: 70px;
  width: auto;
  margin-bottom: 10px;
  object-fit: contain;
}

.hero-title {
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 2px;
  margin: 0;
  line-height: 1.2;
}

.hero-subtitle {
  color: #00A86B;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-top: 4px;
}

/* ============ LIGHT CONTENT INTRO ============ */
.hero-content {
  padding: 4rem 0 3rem;
  text-align: center;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--bg) 100%);
}

.hero-content h2 { font-size: 2rem; font-weight: 700; color: #0F172A; margin-bottom: 1rem; }

.hero-content p {
  font-size: 1.1rem;
  font-weight: 400;
  color: #475569;
  line-height: 1.6;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-box {
  background: var(--card-bg);
  border-left: 6px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem;
}

/* ============ STAT GRID ============ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: left;
}

.stat-number { font-size: 2.75rem; font-weight: 800; color: var(--accent); margin-bottom: 0.25rem; }

.stat-source {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 1rem;
  margin-bottom: 0;
  border-top: 1px dashed var(--border);
  padding-top: 0.5rem;
  font-style: italic;
}
.stat-source a { color: var(--accent); text-decoration: none; }
.stat-source a:hover { text-decoration: underline; }

/* ============ PILLAR DIAGRAM (4-slice pie + governance ring) ============ */
.pillar-diagram-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 2rem;
}

.circle-wrapper {
  position: relative;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.outer-ring-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.inner-pie {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 10px rgba(0,0,0,0.1);
  border: 4px solid #FFFFFF;
  background: transparent;
}

.pie-slice {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

/* Slice 1: Top-Right -> 2. Engaged Parent */
.slice-1 { background: var(--pillar-2); clip-path: polygon(50% 50%, 50% 0%, 100% 0%, 100% 50%, 50% 50%); }
/* Slice 2: Bottom-Right -> 3. Empowered Users */
.slice-2 { background: var(--pillar-3); clip-path: polygon(50% 50%, 100% 50%, 100% 100%, 50% 100%, 50% 50%); }
/* Slice 3: Bottom-Left -> 4. Accessible Help */
.slice-3 { background: var(--pillar-4); clip-path: polygon(50% 50%, 50% 100%, 0% 100%, 0% 50%, 50% 50%); }
/* Slice 4: Top-Left -> 1. Educated Child */
.slice-4 { background: var(--pillar-1); clip-path: polygon(50% 50%, 0% 50%, 0% 0%, 50% 0%, 50% 50%); }

.slice-text {
  position: absolute;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.95rem;
  text-align: center;
  width: 115px;
  line-height: 1.3;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.label-1 { top: 20%; right: 8%; }
.label-2 { bottom: 20%; right: 8%; }
.label-3 { bottom: 20%; left: 8%; }
.label-4 { top: 20%; left: 8%; }

.pie-center-hub {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: #FFFFFF;
  border-radius: 50%;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--primary);
  text-align: center;
  border: 2px solid var(--border);
}

/* ============ PILLAR LEGEND (1-5) ============ */
.pillar-legend {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  width: 100%;
  max-width: 1050px;
}

.legend-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  border-left: 6px solid var(--accent);
}

.legend-card.child  { border-left-color: var(--pillar-1); }
.legend-card.parent { border-left-color: var(--pillar-2); }
.legend-card.users  { border-left-color: var(--pillar-3); }
.legend-card.help   { border-left-color: var(--pillar-4); }
.legend-card.gov    { grid-column: 1 / -1; border-left-color: var(--pillar-gov); }

/* ============ STEPS / ASSESSMENT FLOW ============ */
.steps-wrapper { display: flex; align-items: stretch; gap: 1rem; }

.step-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
}
.step-card p { margin-bottom: 0; }

.step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 700;
  opacity: 0.5;
  flex-shrink: 0;
}

.step-badge {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 700;
  width: 32px;
  height: 32px;
  line-height: 32px;
  border-radius: 50%;
  text-align: center;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

/* ============ BENEFITS GRID ============ */
.benefits-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }

.benefit-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

/* ============ ABOUT SECTION ============ */
.about-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.about-avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background-color: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
  border: 2px dashed var(--accent);
  text-align: center;
  padding: 10px;
}

.about-content h3 { font-size: 1.5rem; margin-bottom: 0.25rem; }

.about-title { color: var(--accent); font-weight: 600; font-size: 0.95rem; margin-bottom: 1rem; }

/* ============ CTA SECTION ============ */
.cta-section {
  background: var(--primary);
  color: #FFF;
  border-radius: var(--radius);
  padding: 3.5rem 2rem;
  text-align: center;
  margin: 2rem 0;
}
.cta-section h2 { color: #FFF; margin-bottom: 1rem; }
.cta-section p { color: #94A3B8; max-width: 600px; margin: 0 auto 2rem; font-size: 1.1rem; }

.btn-cta {
  background-color: var(--accent);
  color: #FFF;
  font-size: 1.1rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: background-color 0.2s ease;
}
.btn-cta:hover { background-color: #1D4ED8; }

/* ============ FLOATING CONTACT BUTTON ============ */
.floating-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--accent);
  color: #FFFFFF;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.35);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 200;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, background-color 0.2s ease;
}

.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.floating-cta:hover {
  background-color: #1E48BE;
}

@media (max-width: 640px) {
  .floating-cta {
    bottom: 16px;
    right: 16px;
    left: 16px;
    justify-content: center;
    padding: 0.9rem 1rem;
  }
}

/* ============ FOOTNOTE ============ */
.footnote {
  font-size: 0.8rem;
  color: #666;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px 2rem;
}

/* ============ FOOTER ============ */
footer {
  background: #090D16;
  color: #CFCFCF;
  padding: 4rem 0 2rem;
  margin-top: 2rem;
  border-top: 1px solid #1E293B;
}

.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 2rem; margin-bottom: 3rem; }
.footer-col h4 { color: #F8FAFC; margin-bottom: 1rem; font-size: 1rem; }
.footer-col p { font-size: 0.9rem; line-height: 1.5; }

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a {
  color: #94A3B8;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}
.footer-links a:hover { color: #FFF; }

.footer-bottom { border-top: 1px solid #8D9DBF; padding-top: 2rem; text-align: center; font-size: 0.85rem; }

.custom-link{color: #ffffff; /* Green */
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .steps-wrapper { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); margin: -0.5rem 0; }
  .pillar-legend { grid-template-columns: 1fr; }
  .legend-card.gov { grid-column: 1; }
}

@media (max-width: 850px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-card { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1200;
    background: var(--header-bg);
    box-shadow: 0 1px 8px rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 1rem;
    /* account for device safe area (iPhone notch) */
    padding-top: calc(0.5rem + env(safe-area-inset-top));
    /* ensure header height is predictable for content offset below */
    height: calc(56px + env(safe-area-inset-top));
    box-sizing: border-box;
  }

  .nav-toggle { display: flex; }

  /* Ensure nav toggle remains visible in the fixed header */
  .site-header .nav-toggle {
    margin-left: auto;
    z-index: 1250;
  }

  .header-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: calc(56px + env(safe-area-inset-top));
    background-color: #121212;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 20px;
    gap: 1rem;
    border-bottom: 1px solid #222222;
    z-index: 1190;
  }

  .header-nav.open { display: flex; }

  /* Push page content down so it isn't hidden under the fixed header */
  body {
    padding-top: calc(56px + env(safe-area-inset-top));
  }

  /* Floating CTA should sit above main content but below header if needed */
  .floating-cta { z-index: 1100; }

  .benefits-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 1.8rem; }

  /* Stat cards: horizontal scroll instead of stacking vertically */
  .stat-grid {
    display: flex;
    grid-template-columns: none;
    overflow-x: auto;
    gap: 1rem;
    scroll-snap-type: x mandatory;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
  }
  .stat-card { flex: 0 0 85%; scroll-snap-align: center; }
  .stat-grid::-webkit-scrollbar { height: 6px; }
  .stat-grid::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
}

@media (max-width: 640px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .circle-wrapper { width: 340px; height: 340px; }
  .inner-pie { width: 250px; height: 250px; }
  .slice-text { font-size: 0.75rem; width: 85px; }
  .pie-center-hub { width: 65px; height: 65px; font-size: 0.8rem; }
}