:root {
  --primary: #0D47A1;
  --accent: #00BCD4;
  --text: #1F2937;
  --muted: #6B7280;
  --bg-light: #F8FAFC;
  --radius: 12px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,.08);
}
* { box-sizing: border-box; }
html { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif; font-size: 16px; }
body { margin: 0; color: var(--text); background: #ffffff; line-height: 1.6; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 1rem; }
.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 700px) { .grid-2 { grid-template-columns: 1fr; } }
.header { position: sticky; top: 0; background: rgba(255,255,255,0.85); backdrop-filter: saturate(180%) blur(8px); border-bottom: 1px solid #e5e7eb; z-index: 50; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: .75rem 0; }
.nav a { text-decoration: none; color: var(--text); font-weight: 600; }
.nav-links { display: flex; gap: 1rem; align-items: center; }
.nav-links a { padding: .5rem .75rem; border-radius: 8px; }
.nav-links a:hover { background: var(--bg-light); }
.btn { display: inline-block; padding: .65rem 1rem; border-radius: 10px; font-weight: 700; text-decoration: none; }
.btn-primary { background: var(--primary); color: white; box-shadow: var(--shadow-sm); }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); }
.hero { background: linear-gradient(135deg, #F0F7FF, #E6FFFA); padding: 2.5rem 0 3rem; border-bottom: 1px solid #e5e7eb; }
.hero h1 { font-size: 2.25rem; margin: 0 0 .5rem; }
.hero p { color: var(--muted); margin: .25rem 0 1rem; }
.hero .cta { display: flex; gap: .75rem; flex-wrap: wrap; }
.card { background: white; border: 1px solid #e5e7eb; border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow-sm); }
.card h3 { margin: 0 0 .25rem; }
.card p { margin: 0; color: var(--muted); }
.section { padding: 2rem 0; }
.section h2 { margin: 0 0 .75rem; font-size: 1.5rem; }
.section .sub { color: var(--muted); margin-bottom: 1rem; }
.footer { background: var(--bg-light); border-top: 1px solid #e5e7eb; padding: 2rem 0; margin-top: 2rem; }
.footer a { color: var(--text); text-decoration: none; }
.small { font-size: .9rem; color: var(--muted); }
input, textarea, select { width: 100%; padding: .65rem .75rem; border: 1px solid #e5e7eb; border-radius: 10px; }
label { font-weight: 600; display: block; margin-bottom: .25rem; }
.form-row { display: grid; gap: .75rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 700px) { .form-row { grid-template-columns: 1fr; } }
.muted { color: var(--muted); }
.center { text-align: center; }
.badge { display: inline-block; background: var(--bg-light); border: 1px solid #e5e7eb; border-radius: 999px; padding: .35rem .65rem; font-weight: 600; }
.icon { width: 24px; height: 24px; vertical-align: middle; margin-right: .5rem; }