:root {
  --ink: #14181f;
  --ink-soft: #4a5266;
  --paper: #ffffff;
  --paper-alt: #f4f5f8;
  --line: #e3e5ec;
  --accent: #2a4d8f;
  --accent-ink: #ffffff;
  --radius: 10px;
  --max-width: 760px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 17px;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  line-height: 1.25;
  font-weight: 650;
  margin: 0 0 0.5em;
}

h1 { font-size: 2.1rem; }
h2 { font-size: 1.5rem; margin-bottom: 1em; }
h3 { font-size: 1.15rem; margin-bottom: 0.4em; }

p { margin: 0 0 1em; color: var(--ink-soft); }

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

/* Header */

.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.05rem;
}

.nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a:hover { color: var(--accent); }

/* Hero */

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

.hero .lede {
  font-size: 1.08rem;
}

/* Sections */

.section {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

.section.alt {
  background: var(--paper-alt);
}

/* Services */

.service {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.service:first-of-type { border-top: none; padding-top: 0; }

.service-highlight {
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-top: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 20px 0;
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: rgba(42, 77, 143, 0.1);
  padding: 3px 9px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.price {
  font-weight: 600;
  color: var(--ink);
}

.rate {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-weight: 500;
  color: var(--ink);
}

/* Case studies */

.case-study {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.case-study:first-of-type { border-top: none; padding-top: 0; }

/* Buttons */

.button {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius);
  margin-top: 8px;
  margin-right: 10px;
}

.button:hover { opacity: 0.9; }

.button-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.contact-links {
  margin-top: 20px;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
}

.site-footer p {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0;
}

/* Mobile */

@media (max-width: 600px) {
  .header-inner { flex-direction: column; align-items: flex-start; gap: 8px; }
  .nav { gap: 14px; }
  h1 { font-size: 1.7rem; }
  .hero { padding: 48px 0 40px; }
}