:root {
  --bg: #f3f6f8;
  --fg: #1c2733;
  --muted-fg: #5a6b7a;
  --card: #ffffff;
  --border: #dde3e8;
  --primary: #4f9db6;
  --primary-fg: #ffffff;
  --muted: #eaeff2;
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 64rem; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  padding-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.brand img { height: 36px; width: auto; }
.brand-tag {
  font-size: 0.75rem;
  color: var(--muted-fg);
}
@media (max-width: 640px) { .brand-tag { display: none; } }

.nav ul { list-style: none; padding: 0; margin: 0; display: flex; gap: 0.25rem; flex-wrap: wrap; }
.nav a {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--fg);
  transition: background 0.15s;
}
.nav a:hover { background: var(--muted); }
.nav a.active {
  background: var(--primary);
  color: var(--primary-fg);
}

/* Main */
main { padding: 3rem 0; }
main .container { }

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 0.75rem;
}
h1 {
  font-size: 2.25rem;
  line-height: 1.15;
  margin: 0 0 1.25rem;
  max-width: 40rem;
  font-weight: 700;
}
@media (min-width: 640px) { h1 { font-size: 3rem; } }

.lead {
  max-width: 40rem;
  color: var(--muted-fg);
  font-size: 1rem;
  margin: 0 0 1.75rem;
}

.btn-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s;
}
.btn-primary { background: var(--primary); color: var(--primary-fg); }
.btn-primary:hover { opacity: 0.9; }
.btn-outline { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-outline:hover { background: var(--muted); }

/* Sections / cards */
section { margin-bottom: 3.5rem; }

.cards { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: box-shadow 0.15s;
}
.card:hover { box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.card-num {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  color: var(--primary);
  margin-bottom: 0.75rem;
}
.card h2 { font-size: 1.1rem; margin: 0 0 0.5rem; }
.card p { margin: 0; font-size: 0.9rem; color: var(--muted-fg); }

/* Two-column grid */
.two-col { display: grid; gap: 2.5rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .two-col { grid-template-columns: 1fr 1fr; } }
.two-col p, .two-col li { font-size: 0.9rem; color: var(--muted-fg); line-height: 1.65; }
.two-col h2 { font-size: 1rem; margin: 0 0 0.75rem; color: var(--fg); }
.two-col ul { padding-left: 0; list-style: none; margin: 0; }
.two-col ul li { margin-bottom: 0.5rem; }

.subhead {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg);
  margin: 0 0 0.25rem;
}

/* Info box */
.info-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
}
.info-box p { margin: 0 0 1rem; color: var(--muted-fg); font-size: 0.9rem; }

/* Form */
.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.contact-form label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: var(--fg);
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  font-family: inherit;
  color: var(--fg);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.contact-form button { width: 100%; }

.form-status {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.form-status.success { background: #e6f4ea; color: #1e6b3a; border: 1px solid #b6dcc1; }
.form-status.error { background: #fdecea; color: #8a1c1c; border: 1px solid #f5b8b1; }

/* Footer */
.site-footer {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  font-size: 0.75rem;
  color: var(--muted-fg);
}
.site-footer .container {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .site-footer .container { grid-template-columns: repeat(3, 1fr); }
  .site-footer .col-right { text-align: right; }
}
.site-footer p { margin: 0 0 0.25rem; }
.site-footer .col-brand p:first-child { color: var(--fg); font-weight: 600; }
.site-footer a { color: inherit; text-decoration: none; }
.site-footer a:hover { color: var(--fg); }