:root {
  --bg: #ffffff;
  --text: #0f172a; /* slate-900 */
  --muted: #475569; /* slate-600 */
  --primary: #2563eb; /* blue-600 */
  --primary-700: #1d4ed8; /* blue-700 */
  --accent: #10b981; /* emerald-500 */
  --border: #e5e7eb; /* gray-200 */
  --shadow: 0 8px 24px rgba(2, 6, 23, 0.08);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(1.2) blur(8px); background: rgba(255,255,255,0.75); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand-link { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; }
.brand-mark { display: inline-block; width: 24px; height: 24px; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 6px; box-shadow: var(--shadow); }
.nav { display: flex; gap: 18px; }
.nav-link { color: var(--muted); text-decoration: none; font-weight: 500; padding: 8px 10px; border-radius: 8px; }
.nav-link:hover { color: var(--text); background: #f8fafc; }
.nav-link.active { color: var(--primary); }

/* Hero */
.hero { padding: 80px 0 40px; background: linear-gradient(180deg, rgba(37,99,235,0.06), rgba(255,255,255,0)); }
.hero-title { font-size: clamp(28px, 6vw, 44px); line-height: 1.1; margin: 0 0 10px; }
.hero-subtitle { color: var(--muted); max-width: 780px; }
.hero-cta { margin-top: 22px; }

/* Buttons */
.btn { display: inline-block; padding: 12px 18px; border-radius: 10px; text-decoration: none; font-weight: 600; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--primary-700); transform: translateY(-1px); }
.btn-outline { border: 1px solid var(--border); color: var(--text); background: #fff; box-shadow: var(--shadow); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-1px); }
.btn-ghost { color: var(--primary); }
.btn-ghost:hover { color: var(--primary-700); }

/* Sections */
.section-head h2 { margin: 0; font-size: 28px; }
.section-head p { color: var(--muted); margin-top: 6px; }
.services, .testimonials, .contact-cta { padding: 48px 0; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.card { border: 1px solid var(--border); border-radius: 14px; padding: 18px; background: #fff; box-shadow: var(--shadow); }
.card-icon { font-size: 26px; }
.testimonial .quote { font-size: 16px; color: var(--text); }
.testimonial .author { margin-top: 12px; display: flex; gap: 10px; color: var(--muted); }
.disclaimer { color: var(--muted); font-size: 13px; margin-top: 16px; }

/* Contact area */
.contact-inner { display: grid; grid-template-columns: 2fr 1fr; gap: 22px; align-items: start; }
.company-info { list-style: none; padding: 0; margin: 0; }
.company-info li { padding: 6px 0; border-bottom: 1px dashed var(--border); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: #fff; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; align-items: center; gap: 12px; padding: 18px 0; }
.footer-nav a { color: var(--muted); text-decoration: none; margin-right: 12px; }
.footer-nav a:hover { color: var(--text); }
.footer-brand { font-weight: 700; }
.legal { color: var(--muted); }

/* Page layouts */
.page-head { padding: 40px 0 10px; border-bottom: 1px solid var(--border); background: linear-gradient(180deg, rgba(16,185,129,0.08), rgba(255,255,255,0)); }
.page-content { padding: 28px 0; }
.legal h2 { margin-top: 20px; }
.contact-page { display: grid; grid-template-columns: 1fr; }
.contact-card { border: 1px solid var(--border); border-radius: 14px; padding: 18px; background: #fff; box-shadow: var(--shadow); }

/* Reveal on scroll (progressive enhancement) */
.reveal { opacity: 1; transform: none; }
.has-io.ready .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.has-io.ready .reveal.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 960px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .contact-inner { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .cards { grid-template-columns: 1fr; }
}