:root {
  --navy: #0A1628; --blue: #1B4FD8; --blue-mid: #2563EB; --blue-light: #3B82F6;
  --accent: #F59E0B; --white: #FFFFFF; --off-white: #F8FAFF;
  --gray-100: #F1F5F9; --gray-200: #E2E8F0; --gray-400: #94A3B8;
  --gray-600: #475569; --gray-800: #1E293B; --text: #1A2332;
  --radius: 12px; --shadow: 0 4px 24px rgba(10,22,40,0.10);
  --shadow-lg: 0 8px 40px rgba(10,22,40,0.18);
  --font-head: 'Raleway', sans-serif; --font-body: 'Source Sans 3', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-body); font-size: 18px; color: var(--text); background: var(--white); line-height: 1.7; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-mid); }
h1,h2,h3,h4,h5 { font-family: var(--font-head); line-height: 1.25; color: var(--navy); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; }
h3 { font-size: clamp(1.15rem, 2vw, 1.45rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p { margin-bottom: 1rem; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.btn { display: inline-block; padding: 14px 32px; border-radius: 8px; font-family: var(--font-head); font-weight: 700; font-size: 1rem; letter-spacing: 0.04em; cursor: pointer; border: none; transition: all 0.2s; text-align: center; }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--navy); color: var(--white); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-accent { background: var(--accent); color: var(--navy); }
.btn-accent:hover { background: #FBBF24; transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid var(--white); }
.btn-outline:hover { background: var(--white); color: var(--navy); }
.section { padding: 80px 0; }
.section-alt { background: var(--off-white); }
.section-dark { background: var(--navy); color: var(--white); }
.section-dark h2, .section-dark h3, .section-dark h4 { color: var(--white); }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { margin-bottom: 12px; }
.section-title p { color: var(--gray-600); max-width: 600px; margin: 0 auto; }
.site-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 0 24px; background: rgba(10,22,40,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.08); }
.nav-inner { max-width: 1180px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-logo { display: flex; align-items: center; gap: 10px; color: var(--white); font-family: var(--font-head); font-weight: 800; font-size: 1.2rem; }
.nav-logo:hover { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a { color: rgba(255,255,255,0.85); font-weight: 600; font-size: 0.875rem; letter-spacing: 0.04em; text-transform: uppercase; transition: color 0.2s; }
.nav-links a:hover { color: var(--accent); }
.nav-cta { background: var(--accent); color: var(--navy) !important; padding: 8px 20px; border-radius: 6px; }
.nav-cta:hover { background: #FBBF24 !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; }
.mobile-nav { display: none; position: fixed; inset: 0; background: var(--navy); z-index: 2000; flex-direction: column; align-items: center; justify-content: center; gap: 36px; }
.mobile-nav.open { display: flex; }
.mobile-nav a { color: var(--white); font-family: var(--font-head); font-weight: 700; font-size: 1.5rem; }
.mobile-nav-close { position: absolute; top: 20px; right: 20px; background: none; border: none; color: var(--white); font-size: 2rem; cursor: pointer; width: 52px; height: 52px; display: flex; align-items: center; justify-content: center; }
.site-footer { background: var(--gray-800); color: var(--gray-400); padding: 60px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand { color: var(--white); font-family: var(--font-head); font-weight: 800; font-size: 1.1rem; margin-bottom: 12px; display: block; }
.footer-col h4 { color: var(--white); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { color: var(--gray-400); font-size: 0.9rem; transition: color 0.2s; }
.footer-col ul a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 32px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; font-size: 0.85rem; }
.footer-bottom a { color: var(--gray-400); }
.sticky-cta { position: fixed; bottom: 24px; right: 24px; z-index: 999; background: var(--accent); color: var(--navy) !important; font-family: var(--font-head); font-weight: 800; padding: 16px 28px; border-radius: 50px; box-shadow: 0 8px 32px rgba(245,158,11,0.4); font-size: 0.95rem; letter-spacing: 0.06em; min-height: 52px; display: flex; align-items: center; transition: transform 0.2s, box-shadow 0.2s; }
.sticky-cta:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(245,158,11,0.5); }
.accordion-item { border: 1px solid var(--gray-200); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
.accordion-btn { width: 100%; text-align: left; padding: 20px 24px; background: var(--white); border: none; cursor: pointer; font-family: var(--font-head); font-size: 1rem; font-weight: 600; color: var(--navy); display: flex; justify-content: space-between; align-items: center; gap: 16px; transition: background 0.2s; min-height: 52px; }
.accordion-btn:hover { background: var(--gray-100); }
.accordion-icon { flex-shrink:0; font-size:1.4rem; color:var(--blue); transition: transform 0.3s; }
.accordion-btn.active .accordion-icon { transform: rotate(45deg); }
.accordion-body { display: none; padding: 0 24px 20px; }
.accordion-body.open { display: block; }
.accordion-body p { color: var(--gray-600); margin-bottom:0.5rem; }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 28px; }
.blog-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; transition: box-shadow 0.2s, transform 0.2s; }
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.blog-card-body { padding: 24px; }
.blog-card-date { font-size: 0.8rem; color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.blog-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.blog-card h3 a { color: var(--navy); }
.blog-card h3 a:hover { color: var(--blue); }
.blog-card p { font-size: 0.9rem; color: var(--gray-600); margin-bottom:0; }
.read-more { font-size: 0.85rem; font-weight: 700; color: var(--blue); margin-top: 12px; display: inline-block; }
.prose h1 { font-size: clamp(1.6rem,3.5vw,2.4rem); margin-bottom: 24px; }
.prose h2 { margin: 36px 0 16px; }
.prose h3 { margin: 28px 0 12px; }
.prose p { margin-bottom: 1.1rem; }
.prose ul, .prose ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.prose li { margin-bottom: 0.4rem; }
.prose blockquote { border-left: 4px solid var(--blue); padding: 12px 20px; background: var(--gray-100); border-radius: 0 8px 8px 0; margin: 24px 0; color: var(--gray-600); }
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .section { padding: 60px 0; }
  .sticky-cta { bottom: 16px; right: 16px; padding: 14px 22px; font-size: 0.9rem; }
}