/* css/styles.css
   Central stylesheet. Keep rules here to allow reuse across pages.
   Comments explain sections for maintainability.
*/

/* Root variables (brand colors, spacing) */
:root{
  --brand: #0b63f6;        /* primary blue */
  --brand-dark: #094fbf;
  --muted: #6b7280;
  --bg: #ffffff;
  --card: #f8fafc;
  --maxw: 1100px;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(11,99,246,0.06);
  --accent: #0fbf7b;
  --font-sans: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  background:linear-gradient(180deg,#fff,#fbfdff 120px);
  color:#111827;
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}

/* Container to center content */
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(255,255,255,0.95);
  border-bottom:1px solid #eef2f7;
  backdrop-filter: blur(6px);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding:12px 0;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.logo-mark{width:44px;height:44px;border-radius:8px;background:linear-gradient(135deg,var(--brand),#2bb0ff);color:#fff;display:grid;place-items:center;font-weight:800}
.brand-text .company{font-weight:700;display:block}
.brand-text .tagline{font-size:.8rem;color:var(--muted)}

/* Nav */
.main-nav{display:flex;align-items:center;gap:10px}
.nav-list{display:flex;gap:18px;list-style:none;margin:0;padding:0;align-items:center}
.nav-list a{color:inherit;text-decoration:none;padding:8px 6px;border-radius:8px}
.nav-list a:hover{background:#f1f7ff}
.nav-toggle{display:none;border:0;background:transparent;font-size:20px}

/* Responsive: collapse nav */
@media (max-width:880px){
  .nav-list{display:none;flex-direction:column;background:#fff;position:absolute;top:64px;right:20px;padding:10px;border:1px solid #eef2f7;border-radius:8px;box-shadow:var(--shadow)}
  .nav-toggle{display:block}
}

/* Hero */
.hero{padding:64px 0 28px}
.hero-grid{display:grid;grid-template-columns:1fr 360px;gap:28px;align-items:start}
.eyebrow{display:inline-block;background:#f1f8ff;color:var(--brand);padding:6px 10px;border-radius:999px;font-weight:700;font-size:.85rem}
.hero h1{font-size:clamp(26px,4.5vw,40px);margin:.8rem 0}
.lead{color:var(--muted);max-width:60ch}
.cta-row{margin-top:14px;display:flex;gap:12px;flex-wrap:wrap}
.btn{padding:.85rem 1rem;border-radius:10px;border:1px solid rgba(14,54,128,0.06);font-weight:800}
.btn.primary{background:var(--brand);color:#fff;border-color:transparent}
.btn.ghost{background:#fff}

/* Cards and grid utilities */
.card{background:var(--card);padding:16px;border-radius:12px;border:1px solid #eef2f7;box-shadow:var(--shadow)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.service{background:#fff;padding:18px;border-radius:10px;border:1px solid #eef2f7}
.two-column{display:grid;grid-template-columns:1fr 360px;gap:20px;align-items:start}
.alt{background:transparent;padding-top:8px}

/* Contact and form layout */
.contact-layout{display:grid;grid-template-columns:1fr 380px;gap:20px}
.contact-form input, .contact-form textarea{width:100%;padding:.75rem;border-radius:8px;border:1px solid #e6eefc;margin-top:6px}
.form-actions{display:flex;gap:12px;align-items:center;margin-top:12px}
.small{font-size:.9rem;color:var(--muted)}
.muted{color:var(--muted)}

/* Footer */
.site-footer{border-top:1px solid #eef2f7;padding:20px 0;margin-top:24px}
.footer-grid{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}

/* Utility responsive rules */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr}
  .two-column{grid-template-columns:1fr}
  .contact-layout{grid-template-columns:1fr}
}
@media (max-width:720px){
  .grid-3{grid-template-columns:1fr}
}