/* Design tokens */
:root {
  --primary: #0f5260;
  --accent: #f08c2b;
  --bg: #f7f9fa;
  --surface: #ffffff;
  --text-dark: #1d2630;
  --text-muted: #586069;
  --border: #e1e4e8;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(15, 82, 96, 0.08);
  --max-width: 1100px;
}

/* Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; color: var(--text-dark); background: var(--bg); line-height: 1.5; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }

/* Layout */
.container { width: 92%; max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing-md); }

/* Navbar */
.navbar { position: sticky; top: 0; z-index: 100; background: var(--surface); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 700; font-size: 1.1rem; color: var(--primary); }
.hamburger { display: none; background: none; border: 1px solid var(--border); padding: 0.25rem 0.5rem; border-radius: 4px; }
.nav-links { display: flex; gap: var(--spacing-lg); align-items: center; }
.nav-links a { color: var(--text-dark); font-size: 0.95rem; position: relative; }
.nav-links a.active::after { content: ""; position: absolute; bottom: -6px; left: 0; right: 0; height: 3px; background: var(--accent); border-radius: 3px; }

/* Hero */
.hero { padding: var(--spacing-lg) 0; background: linear-gradient(135deg, #eef2f3 0%, #f7f9fa 100%); }
.hero-content { display: flex; flex-direction: column; gap: var(--spacing-md); align-items: flex-start; }
.hero h1 { font-size: 2rem; color: var(--primary); max-width: 600px; }
.hero p { color: var(--text-muted); max-width: 600px; }
.hero-ctas { display: flex; gap: var(--spacing-md); flex-wrap: wrap; }

/* Buttons */
.btn { display: inline-block; padding: 0.6rem 1.4rem; border-radius: 6px; font-weight: 600; transition: all 0.2s; }
.btn-primary { background: var(--primary); color: #fff; border: none; }
.btn-primary:hover { background: #0a3a44; filter: brightness(0.95); }
.btn-outline { border: 1px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: #fff; }

/* Section */
.section { padding: var(--spacing-lg) 0; }
.section h2 { font-size: 1.5rem; margin-bottom: var(--spacing-sm); color: var(--primary); }

/* Stats */
.stats { display: flex; gap: var(--spacing-lg); flex-wrap: wrap; margin-top: var(--spacing-md); }
.stat { display: flex; flex-direction: column; align-items: center; gap: 0.25rem; padding: 1rem; min-width: 120px; }
.stat .value { font-size: 1.5rem; font-weight: 700; color: var(--primary); }
.stat .label { font-size: 0.85rem; color: var(--text-muted); }

/* Services grid */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--spacing-lg); margin-top: var(--spacing-md); }
.service-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--spacing-lg); display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--spacing-sm); box-shadow: var(--shadow); }
.service-card .icon { font-size: 2rem; }
.service-card h3 { font-size: 1.1rem; color: var(--primary); }
.service-card p { font-size: 0.9rem; color: var(--text-muted); }

/* Trust strip */
.trust-strip { background: var(--primary); color: #fff; text-align: center; padding: var(--spacing-md) 0; }
.trust-strip p { font-size: 0.95rem; }

/* CTA strip */
.cta-strip { padding: var(--spacing-lg) 0; background: var(--surface); text-align: center; }
.cta-strip h3 { margin-bottom: var(--spacing-sm); }
.cta-actions { display: flex; gap: var(--spacing-md); justify-content: center; flex-wrap: wrap; }

/* Footer */
.footer { background: #0a1216; color: #cbd5e1; padding: var(--spacing-lg) 0 2rem; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-lg); margin-bottom: var(--spacing-lg); }
.footer h3, .footer strong { color: #fff; margin-bottom: var(--spacing-sm); }
.footer p { color: #94a3b8; }
.footer a { color: #94a3b8; }
.footer ul { list-style: none; margin-top: 0.25rem; }
.footer li + li { margin-top: 0.25rem; }
.footer-meta { margin-top: var(--spacing-sm); display: flex; gap: 1rem; font-size: 0.85rem; color: #64748b; }
.footer-bottom { border-top: 1px solid #1e293b; padding: var(--spacing-md) 0; text-align: center; }

/* Mobile */
@media (max-width: 768px) {
  .hamburger { display: block; }
  .nav-links { position: absolute; top: 64px; left: 0; right: 0; background: var(--surface); border-top: 1px solid var(--border); display: none; flex-direction: column; padding: var(--spacing-md); gap: var(--spacing-md); }
  .nav-links.open { display: flex; }
  .hero-content { align-items: center; text-align: center; }
  .hero h1 { font-size: 1.75rem; }
  .stats { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-md); }
  .cta-actions { flex-direction: column; }
  .btn { width: 100%; text-align: center; }
}