/* ============================================================
   About Page Styles
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  font-family: var(--font-sans);
  color: #1E293B;
  -webkit-font-smoothing: antialiased;
}

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  color: white;
  padding: 100px 24px 80px;
  text-align: center;
}

.hero-inner { max-width: 700px; margin: 0 auto; }

.hero-eyebrow {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #94A3B8;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.6;
  color: #CBD5E1;
  margin-bottom: 36px;
}

.hero-cta {
  display: inline-block;
  padding: 14px 32px;
  background: linear-gradient(135deg, #3B82F6, #2563EB);
  color: white;
  text-decoration: none;
  border-radius: 28px;
  font-size: 15px;
  font-weight: 700;
  transition: all 0.2s;
  box-shadow: 0 4px 14px rgba(59,130,246,0.4);
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59,130,246,0.5);
}

/* --- Sections --- */
.about-section {
  padding: 48px 24px;
}

.about-section.alt {
  background: #F8FAFC;
}

.about-inner {
  max-width: 800px;
  margin: 0 auto;
}

.section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #3B82F6;
  margin-bottom: 12px;
}

.about-section h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  line-height: 1.2;
}

.about-section p {
  font-size: 16px;
  line-height: 1.7;
  color: #475569;
  margin-bottom: 16px;
}

/* --- Feature Grid --- */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.feature {
  padding: 24px;
  background: white;
  border-radius: 12px;
  border: 1px solid #E2E8F0;
  transition: box-shadow 0.2s;
}

.feature:hover { box-shadow: 0 4px 14px rgba(0,0,0,0.06); }

.feature-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.feature h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature p {
  font-size: 14px;
  line-height: 1.6;
  color: #64748B;
  margin-bottom: 0;
}

/* --- Steps --- */
.steps {
  margin-top: 32px;
}

.step {
  display: flex;
  gap: 20px;
  margin-bottom: 28px;
  align-items: flex-start;
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3B82F6, #2563EB);
  color: white;
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(59,130,246,0.3);
}

.step-content h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.step-content p {
  font-size: 15px;
  margin-bottom: 0;
}

/* --- Sidebar Explanation --- */
.sidebar-explain {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
}

.sidebar-card {
  padding: 24px;
  background: white;
  border-radius: 12px;
  border: 1px solid #E2E8F0;
}

.sidebar-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.sidebar-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #64748B;
  margin-bottom: 0;
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
}

.cta-section h2 { margin-bottom: 12px; }
.cta-section p { margin-bottom: 28px; }

/* --- Footer --- */
.about-footer {
  text-align: center;
  padding: 24px;
  background: linear-gradient(135deg, #1E293B, #334155);
  color: #94A3B8;
  font-size: 12px;
  letter-spacing: 0.3px;
}

/* Mobile-only notice: hidden on desktop */
.mobile-notice { display: none; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .mobile-notice {
    display: block;
    text-align: center;
    padding: 10px 16px;
    font-size: 13px;
    color: #475569;
    background: #f1f5f9;
    border-bottom: 1px solid #e2e8f0;
  }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 16px; }
  .about-section h2 { font-size: 26px; }
  .feature-grid, .sidebar-explain { grid-template-columns: 1fr; }
  .hero { padding: 60px 20px 50px; }
}

/* --- Animations --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-inner { animation: fadeUp 0.6s ease both; }
.about-section { animation: fadeUp 0.5s ease both; }

/* --- Confidentiality note (sits between hero and case study body) --- */
.confidentiality-note {
  background: #F8FAFC;
  border-top: 1px solid #E2E8F0;
  border-bottom: 1px solid #E2E8F0;
  padding: 32px 24px;
}
.confidentiality-note-inner {
  max-width: 760px;
  margin: 0 auto;
  border-left: 3px solid #3B82F6;
  padding: 6px 0 6px 22px;
}
.confidentiality-note-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #3B82F6;
  margin-bottom: 8px;
}
.confidentiality-note-body {
  font-size: 15px;
  line-height: 1.65;
  color: #334155;
  margin: 0;
}
.confidentiality-note-body + .confidentiality-note-body { margin-top: 8px; }