:root {
  --primary-50: #fdf2f8;
  --primary-100: #fce7f3;
  --primary-500: #ec4899;
  --primary-600: #db2777;
  --primary-700: #be185d;
  --primary-800: #9d174d;
  --primary-900: #831843;
  --neutral-50: #fafafa;
  --neutral-100: #f5f5f5;
  --neutral-200: #e5e5e5;
  --neutral-300: #d4d4d4;
  --neutral-500: #737373;
  --neutral-600: #525252;
  --neutral-700: #404040;
  --neutral-800: #262626;
  --neutral-900: #171717;
  --accent-600: #7c3aed;
  --font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--neutral-50);
  color: var(--neutral-800);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--primary-600); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--primary-800); }
img { max-width: 100%; height: auto; }
.container { max-width: 72rem; margin: 0 auto; padding: 0 1rem; }
@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--neutral-200);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}
.logo { font-size: 1.25rem; font-weight: 700; color: var(--primary-700); letter-spacing: -0.02em; }
.nav { display: none; gap: 1.5rem; font-size: 0.875rem; font-weight: 500; }
.nav a { color: var(--neutral-700); }
.nav a:hover { color: var(--primary-600); }
@media (min-width: 768px) { .nav { display: flex; } }
.menu-btn { background: none; border: none; padding: 0.5rem; cursor: pointer; color: var(--neutral-600); }
@media (min-width: 768px) { .menu-btn { display: none; } }
.mobile-menu { display: none; border-top: 1px solid var(--neutral-200); background: #fff; padding: 0.75rem 1rem; }
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: 0.5rem 0; color: var(--neutral-700); font-size: 0.875rem; font-weight: 500; }
main { flex: 1; }
.hero {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-900));
  color: #fff;
  padding: 4rem 0;
}
.hero h1 { font-size: 2rem; font-weight: 700; line-height: 1.2; margin: 0 0 1.5rem; }
@media (min-width: 640px) { .hero h1 { font-size: 2.5rem; } }
@media (min-width: 768px) { .hero h1 { font-size: 3rem; } }
.hero p { font-size: 1.125rem; color: var(--primary-100); margin: 0 0 2rem; max-width: 42rem; }
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.625rem 1.25rem;
  font-weight: 600;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  transition: background 0.15s, border-color 0.15s;
}
.btn-primary { background: #fff; color: var(--primary-800); }
.btn-primary:hover { background: var(--primary-50); color: var(--primary-900); }
.btn-outline { border: 1px solid rgba(255,255,255,0.4); color: #fff; margin-left: 0.75rem; }
.btn-outline:hover { background: rgba(255,255,255,0.1); color: #fff; }
.section { padding: 3rem 0; }
.section-alt { background: var(--neutral-100); }
.card {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: 0.75rem;
  padding: 1.25rem 1.5rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card:hover { border-color: var(--primary-300); box-shadow: 0 4px 12px rgba(0,0,0,0.04); }
.card h3 { margin: 0 0 0.25rem; font-size: 1.05rem; color: var(--neutral-900); }
.card p { margin: 0; font-size: 0.875rem; color: var(--neutral-600); }
.grid-3 { display: grid; gap: 1.25rem; }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.grid-2 { display: grid; gap: 1.5rem; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
.h2 { font-size: 1.5rem; font-weight: 600; margin: 0 0 0.5rem; color: var(--neutral-900); }
.lead { color: var(--neutral-600); margin: 0 0 2rem; }
.breadcrumb { font-size: 0.875rem; color: var(--neutral-500); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--neutral-500); }
.breadcrumb a:hover { color: var(--primary-600); }
.badge { font-size: 0.75rem; font-weight: 500; color: var(--primary-600); background: var(--primary-50); padding: 0.25rem 0.625rem; border-radius: 9999px; }
.quick-answer {
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: 0.75rem;
  padding: 1.25rem;
  margin-bottom: 2rem;
}
.quick-answer h2 { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--primary-800); margin: 0 0 0.5rem; }
.quick-answer p { margin: 0; color: var(--neutral-800); }
.site-footer {
  background: var(--neutral-900);
  color: var(--neutral-300);
  margin-top: 4rem;
  padding: 3rem 0 1.5rem;
}
.footer-grid { display: grid; gap: 2rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.site-footer h3, .site-footer h4 { color: #fff; margin: 0 0 0.75rem; font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.04em; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.5rem; }
.site-footer a { color: #a3a3a3; font-size: 0.875rem; }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--neutral-800);
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--neutral-500);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
@media (min-width: 640px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }
.article { max-width: 48rem; margin: 0 auto; padding: 2.5rem 1rem; }
.article h1 { font-size: 1.875rem; font-weight: 700; margin: 0 0 1rem; }
.article h2 { font-size: 1.375rem; font-weight: 600; margin: 2rem 0 0.75rem; }
.article p, .article li { color: var(--neutral-700); }
.meta { font-size: 0.875rem; color: var(--neutral-500); margin-bottom: 2rem; }
input[type="search"], input[type="text"], textarea {
  width: 100%;
  padding: 0.625rem 1rem;
  border: 1px solid var(--neutral-300);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-family: inherit;
}
input:focus, textarea:focus { outline: none; border-color: var(--primary-500); box-shadow: 0 0 0 3px rgba(236,72,153,0.2); }
button[type="submit"], .btn-cta {
  padding: 0.75rem 1.5rem;
  background: var(--primary-600);
  color: #fff;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-cta:hover, button[type="submit"]:hover { background: var(--primary-700); }
/* Ad unit + CTA section - below fold */
.ad-section {
  background: var(--neutral-100);
  border-top: 1px solid var(--neutral-200);
  border-bottom: 1px solid var(--neutral-200);
  padding: 2.5rem 0;
  margin-top: 3rem;
}
.ad-section .cta-wrap {
  text-align: center;
  margin-bottom: 1.5rem;
}
.ad-section .cta-wrap h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--neutral-900);
  margin: 0 0 0.5rem;
}
.ad-section .cta-wrap p {
  color: var(--neutral-600);
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
}
.ad-frame-wrap {
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 0.5rem;
  background: #fff;
  border: 1px solid var(--neutral-200);
}
.ad-frame-wrap iframe {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 310px;
  border: 0;
}
.disclosure {
  font-size: 0.75rem;
  color: var(--neutral-500);
  text-align: center;
  margin-top: 1rem;
}
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-muted { color: var(--neutral-600); }
.flex { display: flex; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }