:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --accent: #0f766e;
  --accent-soft: #e6f4f2;
  --border: #d1d5db;
  --focus: #0f766e;
  --shadow: 0 8px 24px rgba(17, 24, 39, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, #f8fafc 0%, #f3f4f6 100%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--accent);
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  background: var(--text);
  color: #fff;
  padding: 0.5rem 0.75rem;
  z-index: 1000;
}

.skip-link:focus {
  top: 0.5rem;
}

.container {
  width: min(68rem, 92vw);
  margin: 0 auto;
}

.narrow {
  width: min(52rem, 92vw);
}

.site-header {
  padding: 4rem 0 2.5rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0;
}

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

h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin: 0.6rem 0 1rem;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.lead {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 46rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.site-nav a {
  text-decoration: none;
  font-weight: 600;
  color: var(--text);
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  border-color: var(--accent);
}

.section {
  padding: 3rem 0;
}

.section-accent {
  background: var(--accent-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.site-footer {
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 800px) {
  .service-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    padding-top: 3rem;
  }
}