/* Basic reset & variables */
:root {
  --primary: #A7D8FF;
  --text: #0F2240;
  --accent: #6CC0FF;
  --bg: #ffffff;
  --muted: #f4f8fc;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; color: var(--text); background: var(--bg); }
a { color: #0a4aa6; text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1100px, 92%); margin: 0 auto; }

.site-header { background: var(--bg); border-bottom: 1px solid #e7eef7; position: sticky; top: 0; z-index: 10; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 0.9rem 0; gap: 1rem; }
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; color: var(--text); }
.brand-mark { background: var(--primary); color: #002244; width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; font-weight: 800; }
.brand-text { white-space: nowrap; }
.menu-toggle { display: none; font-size: 1.4rem; background: transparent; border: 0; cursor: pointer; }
.nav-links { display: flex; align-items: center; gap: 1rem; }
.nav-links a { padding: 0.5rem 0.75rem; border-radius: 10px; }
.nav-links .cta { background: var(--text); color: white; }
.nav-links .cta:hover { background: #1b366a; text-decoration: none; }

.hero { background: linear-gradient(180deg, var(--primary), #eaf5ff); }
.hero-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 2rem; align-items: center; padding: 3.5rem 0; }
.hero-copy h1 { font-size: clamp(2rem, 2.6vw + 1rem, 3.2rem); margin: 0 0 0.5rem; }
.hero-copy p { font-size: 1.1rem; max-width: 48ch; }
.btn { display: inline-block; background: var(--text); color: white; padding: 0.75rem 1.1rem; border-radius: 12px; font-weight: 600; }
.btn:hover { background: #1b366a; text-decoration: none; }
.btn-invert { background: white; color: var(--text); border: 2px solid var(--text); }
.btn-invert:hover { background: var(--muted); }

.hero-card { background: white; border: 1px solid #e7eef7; border-radius: 16px; padding: 1rem 1.25rem; box-shadow: 0 8px 30px rgba(10, 50, 100, 0.06); }
.hero-card h3 { margin-top: 0; }

.features { padding: 2.5rem 0; background: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.feature { background: white; border: 1px solid #e7eef7; border-radius: 14px; padding: 1rem 1.25rem; }
.feature h3 { margin-top: 0; }

.cta-band { padding: 2rem 0; background: var(--text); color: white; }
.cta-content { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.cta-content h2 { margin: 0; }

.page { padding: 2.25rem 0 2.75rem; }
.narrow { max-width: 800px; }
.pill-grid { display: grid; grid-template-columns: 1fr; gap: 0.75rem; }
.pill { background: var(--muted); padding: 0.9rem 1rem; border-radius: 10px; border: 1px solid #e7eef7; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card { background: white; border: 1px solid #e7eef7; border-radius: 14px; padding: 1rem 1.25rem; box-shadow: 0 6px 20px rgba(0,0,0,0.04); }
.card h2 { margin-top: 0; }

.contact-form { display: grid; gap: 0.9rem; margin-top: 1rem; }
.contact-form label { display: grid; gap: 0.35rem; font-weight: 600; }
.contact-form input, .contact-form textarea { padding: 0.7rem 0.8rem; border: 1px solid #c9d8ea; border-radius: 10px; font: inherit; }
.contact-form button { justify-self: start; }
.hidden { display: none; }

.site-footer { border-top: 1px solid #e7eef7; padding: 1.5rem 0; background: #fbfdff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 1rem; }
.brand-foot { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.25rem; }
.foot-links { list-style: none; margin: 0; padding: 0; }
.foot-links li { margin: 0.25rem 0; }
.foot-tag { color: #445; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .feature-grid, .cards, .footer-grid { grid-template-columns: 1fr; }
  .cta-content { flex-direction: column; align-items: start; }
  .brand-text { display: none; }
  .menu-toggle { display: inline-block; }
  .nav-links { display: none; position: absolute; right: 4%; top: 66px; background: white; border: 1px solid #e7eef7; border-radius: 12px; padding: 0.6rem; }
  .nav-links.open { display: grid; gap: 0.4rem; }
}