:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #1b2430;
  --muted: #627085;
  --line: #dbe2ea;
  --accent: #1f5eff;
  --accent-dark: #1746bf;
  --shadow: 0 10px 30px rgba(18, 38, 63, 0.08);
  --radius: 16px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.topbar {
  background: rgba(255,255,255,0.92);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.logo {
  font-weight: 700;
  font-size: 1.05rem;
}

nav {
  display: flex;
  gap: 20px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.96rem;
}

.hero {
  padding: 72px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 28px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
}

h1, h2, h3 {
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 16px;
}

h2 {
  font-size: 2rem;
  margin-bottom: 18px;
}

.lead {
  color: var(--muted);
  max-width: 720px;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 26px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
}

.btn.primary:hover {
  background: var(--accent-dark);
}

.btn.ghost {
  border-color: var(--line);
  color: var(--text);
  background: #fff;
}

.section {
  padding: 56px 0;
}

.alt {
  background: #eef3f8;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.grid.three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.two-col {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  align-items: start;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.stats-card .stat-list {
  display: grid;
  gap: 18px;
}

.stats-card span {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
}

.stats-card small,
.card p,
.clean-list,
.contact-box p {
  color: var(--muted);
}

.clean-list {
  padding-left: 18px;
  margin: 0;
}

.footer {
  padding: 24px 0;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .hero-grid,
  .grid.three,
  .two-col {
    grid-template-columns: 1fr;
  }

  nav {
    gap: 14px;
  }
}