*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --navy: #0a1f44; --blue: #1a4a8a; --accent: #2d7dd2;
  --light: #f4f7fc; --text: #1c1c2e; --muted: #5a6a80; --white: #ffffff;
}
body { font-family: 'Georgia', serif; color: var(--text); background: var(--white); }

nav { background: var(--navy); padding: 0 48px; display: flex; align-items: center; justify-content: space-between; height: 68px; position: sticky; top: 0; z-index: 100; }
.nav-logo { color: var(--white); font-size: 1.2rem; font-weight: bold; text-decoration: none; }
.nav-logo span { color: #7eb8f7; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a { color: #ccd9ee; text-decoration: none; font-family: Arial, sans-serif; font-size: 0.9rem; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--white); }

.page-header { background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%); color: var(--white); padding: 72px 48px; }
.page-header p { font-family: Arial, sans-serif; font-size: 0.75rem; letter-spacing: 2px; text-transform: uppercase; color: #7eb8f7; margin-bottom: 16px; }
.page-header h1 { font-size: 2.4rem; margin-bottom: 16px; }
.page-header span { font-family: Arial, sans-serif; font-size: 0.95rem; color: #b8ccdf; }

section { padding: 72px 48px; max-width: 1100px; margin: 0 auto; }

.hero { background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%); color: var(--white); padding: 120px 48px; text-align: center; }
.hero p.eyebrow { font-family: Arial, sans-serif; font-size: 0.78rem; letter-spacing: 3px; text-transform: uppercase; color: #7eb8f7; margin-bottom: 20px; }
.hero h1 { font-size: 2.8rem; max-width: 820px; margin: 0 auto 24px; line-height: 1.2; }
.hero .lead { font-family: Arial, sans-serif; font-size: 1.05rem; color: #b8ccdf; max-width: 640px; margin: 0 auto 36px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.patent-card { background: var(--white); border: 1px solid #dde4ef; border-radius: 10px; padding: 40px; margin-bottom: 32px; box-shadow: 0 2px 16px rgba(10,31,68,0.06); }
.patent-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 24px; flex-wrap: wrap; gap: 16px; }
.patent-title h2 { font-size: 1.3rem; color: var(--navy); margin-bottom: 8px; }
.patent-title .app-num { font-family: Arial, sans-serif; font-size: 0.85rem; color: var(--muted); }
.badge { display: inline-block; padding: 5px 14px; border-radius: 20px; font-family: Arial, sans-serif; font-size: 0.78rem; font-weight: bold; }
.badge-pending { background: #fff3cd; color: #856404; }

.patent-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; margin-bottom: 28px; padding: 24px; background: var(--light); border-radius: 8px; }
.meta-item label { font-family: Arial, sans-serif; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); display: block; margin-bottom: 4px; }
.meta-item span { font-family: Arial, sans-serif; font-size: 0.9rem; color: var(--text); font-weight: bold; }

h3 { font-size: 1rem; color: var(--navy); margin-bottom: 12px; margin-top: 24px; }
p { font-family: Arial, sans-serif; font-size: 0.9rem; color: var(--muted); line-height: 1.75; margin-bottom: 12px; }

.claims-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 16px; }
.claim-family { background: var(--light); border-radius: 6px; padding: 18px 20px; border-left: 3px solid var(--accent); }
.claim-family strong { font-family: Arial, sans-serif; font-size: 0.85rem; color: var(--navy); display: block; margin-bottom: 4px; }
.claim-family span { font-family: Arial, sans-serif; font-size: 0.8rem; color: var(--muted); }

.prior-art { background: #fff8f0; border: 1px solid #ffd8a8; border-radius: 8px; padding: 28px; margin-top: 24px; }
.prior-art h3 { color: #8a4000; margin-top: 0; }
.prior-art p { color: #6a4010; }
table { width: 100%; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 0.85rem; margin-top: 12px; }
th { background: #0a1f44; color: white; padding: 10px 14px; text-align: left; font-size: 0.78rem; }
td { padding: 12px 14px; border-bottom: 1px solid #eee; color: var(--text); }
tr:last-child td { border-bottom: none; }
.check { color: #2d7dd2; font-weight: bold; }
.cross { color: #aaa; }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; margin-top: 16px; }
.feature { background: var(--white); border: 1px solid #dde4ef; border-radius: 10px; padding: 32px; box-shadow: 0 2px 16px rgba(10,31,68,0.05); }
.feature h3 { margin-top: 0; }

.section-intro { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-intro h2 { color: var(--navy); font-size: 1.8rem; margin-bottom: 12px; }

.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.contact-card { background: var(--light); border-radius: 10px; padding: 32px; border-left: 3px solid var(--accent); }
.contact-card label { font-family: Arial, sans-serif; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); display: block; margin-bottom: 6px; }
.contact-card a, .contact-card span { font-family: Arial, sans-serif; font-size: 1rem; color: var(--navy); font-weight: bold; text-decoration: none; }
.contact-card a:hover { color: var(--accent); }

.cta-box { background: linear-gradient(135deg, var(--navy), var(--blue)); border-radius: 10px; padding: 48px; text-align: center; color: white; margin-top: 48px; }
.cta-box h2 { color: white; margin-bottom: 16px; }
.cta-box p { color: #b8ccdf; max-width: 520px; margin: 0 auto 32px; }
.btn-primary { background: var(--accent); color: var(--white); padding: 14px 32px; border-radius: 4px; text-decoration: none; font-family: Arial, sans-serif; font-size: 0.95rem; font-weight: bold; display: inline-block; }
.btn-secondary { background: transparent; color: var(--white); padding: 14px 32px; border-radius: 4px; text-decoration: none; font-family: Arial, sans-serif; font-size: 0.95rem; font-weight: bold; display: inline-block; border: 1px solid #7eb8f7; }

footer { background: #060f22; color: #5a6a80; padding: 28px 48px; text-align: center; font-family: Arial, sans-serif; font-size: 0.82rem; }
footer strong { color: #8a9ab5; }

@media (max-width: 640px) {
  nav { padding: 0 20px; flex-wrap: wrap; height: auto; gap: 8px; padding-top: 12px; padding-bottom: 12px; }
  .nav-links { gap: 18px; }
  section, .page-header, .hero { padding-left: 20px; padding-right: 20px; }
  .hero h1 { font-size: 2rem; }
}