/* Continuous Path Foundation — site styles */

:root {
  --color-bg: #ffffff;
  --color-fg: #1a1a1a;
  --color-muted: #555;
  --color-accent: #0a5d8a;
  --color-accent-dark: #074662;
  --color-accent-light: #e6f0f6;
  --color-border: #d8dde2;
  --color-soft: #f6f8fa;
  --maxw: 880px;
  --maxw-wide: 1100px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-head: "Source Sans Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.65;
  color: var(--color-fg);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { color: var(--color-accent-dark); }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.25;
  font-weight: 700;
  margin: 1.6em 0 0.5em;
}
h1 { font-size: 2.4rem; margin-top: 0; }
h2 { font-size: 1.7rem; }
h3 { font-size: 1.25rem; }

p, ul, ol { margin: 0 0 1em; }
ul, ol { padding-left: 1.4em; }
li { margin-bottom: 0.4em; }

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: 3rem 0;
}

/* ---------- Layout containers ---------- */

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.container-wide {
  max-width: var(--maxw-wide);
  margin: 0 auto;
  padding: 0 1.25rem;
}

main { padding: 2rem 0 4rem; }

/* ---------- Header / nav ---------- */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  max-width: var(--maxw-wide);
  margin: 0 auto;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-fg);
  text-decoration: none;
  white-space: nowrap;
}
.brand span {
  color: var(--color-accent);
}
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--color-fg);
  text-decoration: none;
  font-size: 0.98rem;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-accent);
}
.site-nav a[aria-current="page"] {
  font-weight: 600;
}

/* ---------- Hero ---------- */

.hero {
  background: var(--color-accent-light);
  border-bottom: 1px solid var(--color-border);
  padding: 4rem 1.25rem 3.5rem;
}
.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.hero h1 {
  font-size: 2.8rem;
  margin: 0 0 1rem;
  color: var(--color-accent-dark);
}
.hero p.lead {
  font-size: 1.2rem;
  color: var(--color-fg);
  margin-bottom: 1.75rem;
}

/* ---------- Buttons ---------- */

.btn-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.btn {
  display: inline-block;
  padding: 0.7rem 1.25rem;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid var(--color-accent);
  font-size: 1rem;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--color-accent-dark); color: #fff; }
.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}
.btn-secondary:hover {
  background: var(--color-accent);
  color: #fff;
}

/* ---------- Cards / panels ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}
.card {
  background: var(--color-soft);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
}
.card h3 {
  margin-top: 0;
  color: var(--color-accent-dark);
}
.card .card-cta {
  display: inline-block;
  margin-top: 0.5rem;
  font-weight: 600;
}

/* ---------- Section helpers ---------- */

.section {
  padding: 2.5rem 0;
}
.section + .section {
  border-top: 1px solid var(--color-border);
}
.muted { color: var(--color-muted); }
.note {
  background: var(--color-soft);
  border-left: 3px solid var(--color-accent);
  padding: 0.9rem 1.1rem;
  margin: 1.5rem 0;
  border-radius: 4px;
}

/* ---------- Anchor offset for sticky header ---------- */
:target {
  scroll-margin-top: 80px;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-soft);
  padding: 2rem 1.25rem;
  font-size: 0.95rem;
  color: var(--color-muted);
}
.site-footer-inner {
  max-width: var(--maxw-wide);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.site-footer a { color: var(--color-muted); }

/* ---------- Mobile ---------- */

@media (max-width: 720px) {
  body { font-size: 17px; }
  h1 { font-size: 1.9rem; }
  .hero { padding: 2.5rem 1.25rem; }
  .hero h1 { font-size: 2rem; }
  .hero p.lead { font-size: 1.05rem; }
  .site-header-inner { flex-direction: column; align-items: flex-start; }
  .site-nav ul { gap: 0.85rem; }
}