:root {
  --bg: #f3f7fc;
  --surface: #ffffff;
  --primary: #1d70ff;
  --primary-dark: #155be0;
  --secondary: #253c67;
  --text: #1f2a43;
  --muted: #6d7a95;
  --border: #e5e9f3;
  --shadow: 0 15px 35px rgba(30, 70, 130, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}
img { max-width: 100%; height: auto; }
.container { width: min(1100px, 92%); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(8px); background: rgba(255, 255, 255, 0.77); border-bottom: 1px solid #edf1f8; }
.header-wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 0; }
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--primary);
  font-weight: 800;
  font-size: 1.35rem;
}
.logo img {
  height: 38px;
  width: auto;
  display: block;
}
.logo span {
  color: var(--primary);
  font-weight: 800;
  font-size: 1.15rem;
}
.nav-links { display: flex; gap: 0.85rem; align-items: center; flex-wrap: wrap; }
.nav-links a { color: var(--secondary); text-decoration: none; font-weight: 600; padding: 0.45rem 0.6rem; border-radius: 8px; transition: background 0.2s ease, color 0.2s ease; }
.nav-links a:hover { background: rgba(29, 112, 255, 0.1); color: var(--primary); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.35rem; border-radius: 10px; font-weight: 700; text-decoration: none; border: 1px solid transparent; padding: 0.65rem 1rem; cursor: pointer; transition: all 0.2s ease; }
.btn-sm { font-size: 0.85rem; padding: 0.45rem 0.8rem; }
.btn-primary { background: var(--primary); color: white; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: rgba(13, 70, 158, 0.12); color: var(--primary); border-color: transparent; }
.btn-secondary:hover { background: rgba(29, 112, 255, 0.19); }
.hero { min-height: 86vh; display: grid; place-items: center; background: linear-gradient(135deg, #0941b3 0%, #1f6fff 45%, #80a8ff 100%); color: #fff; text-align: center; padding: 5rem 0 4rem; }
.hero-content { max-width: 808px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: 0.02em; margin: 0 0 1rem; }
.hero p { font-size: 1.15rem; color: rgba(255, 255, 255, 0.92); margin: 0 0 1.7rem; }
.hero-actions { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }
.feature-grid, .equipment, .process, .testimonials, .contact { padding: 4rem 0; background: var(--bg); }
.feature-grid h2, .equipment h2, .process h2, .testimonials h2, .contact h2 { margin-bottom: 0.4rem; font-size: 2rem; }
.lead { color: var(--muted); margin: 0 0 2rem; max-width: 720px; }
.card-wrap { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.card { padding: 1.45rem; border-radius: 14px; background: var(--surface); border: 1px solid #e8edf8; box-shadow: var(--shadow); }
.card h3 { margin-top: 0; }
.equipment-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.equipment-item { padding: 1.4rem; background: var(--surface); border-radius: 12px; border: 1px solid #e7edf8; }
.process-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.step { padding: 1.2rem 1rem 1.1rem; border-radius: 12px; background: var(--surface); border: 1px solid #e8edf8; box-shadow: 0 10px 20px rgba(15, 35, 80, 0.06); }
.step span { display: inline-flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border-radius: 999px; background: var(--primary); color: white; font-weight: 700; margin-bottom: 0.75rem; }
.step h4 { margin: 0 0 0.45rem; }
.testimonials { background: #f8fbff; }
.testimonial-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.testimonial-grid blockquote { margin: 0; padding: 1.35rem 1rem; border-left: 4px solid var(--primary); border-radius: 10px; background: #ffffff; color: var(--secondary); }
.testimonial-grid cite { display: block; margin-top: 0.8rem; color: var(--muted); font-size: 0.9rem; }
.contact-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.contact-card { padding: 1.4rem; background: var(--surface); border: 1px solid #e6ecf7; border-radius: 12px; box-shadow: var(--shadow); }
.contact-card h4 { margin-top: 0; }
.quote-form { display: grid; gap: 0.75rem; }
.quote-form label { display: grid; gap: 0.4rem; font-size: 0.9rem; color: var(--muted); }
.quote-form input, .quote-form textarea { width: 100%; font: inherit; border: 1px solid #d9e2f5; border-radius: 8px; padding: 0.65rem; outline: none; transition: border 0.2s ease, box-shadow 0.2s ease; }
.quote-form input:focus, .quote-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(29, 112, 255, 0.17); }
.site-footer { background: #0f1f3c; color: #d3def4; padding: 1.3rem 0 2rem; }
.footer-grid { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.site-footer a { color: #a8c3f0; text-decoration: none; }
.site-footer a:hover { color: #fff; }
@media (max-width: 820px) {
  .header-wrap { flex-wrap: wrap; justify-content: center; }
  .nav-links { justify-content: center; }
  .btn { width: 100%; max-width: 260px; justify-content: center; }
  .hero { padding: 4rem 0 3rem; }
}
@media (max-width: 560px) {
  .hero h1 { font-size: 1.8rem; }
  .feature-grid, .equipment, .process, .testimonials, .contact { padding: 3rem 0; }
  .footer-grid { flex-direction: column; text-align: center; }
}