/* Philosotech Ltd. — shared site styles
   Header, nav, footer, palette, and common components live here.
   Edit once and it applies to every page. */
:root {
  --teal: #00A79C;
  --teal-deep: #006E67;
  --blue: #415FAE;
  --blue-soft: #1B75BB;
  --purple: #652C90;
  --bg: #F7F6F2;
  --surface: #FFFFFF;
  --border: #E0DED7;
  --text: #28251D;
  --muted: #6B6A64;
  --maxw: 42rem;
  --grad: linear-gradient(90deg, var(--teal) 0%, var(--blue-soft) 50%, var(--blue) 100%);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "DM Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

/* Header band: logo + company name */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.site-header .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.25rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
}
.site-header img {
  width: 160px;
  height: auto;
  display: block;
  border-radius: 4px;
}
.site-header .name {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
  text-decoration: none;
}

/* Nav row below the header */
.site-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.site-nav .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.5rem 1.25rem;
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--teal-deep); }
.site-nav a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--teal);
}

/* Main content */
main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.25rem 1.25rem 4rem;
}

/* Headings */
h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0.5rem 0 1rem;
  color: var(--text);
}
h2 {
  font-size: 1.35rem;
  margin: 2.25rem 0 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
h2::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 3px;
  background: var(--grad);
  flex: none;
}

/* Text */
p { margin: 0 0 1rem; }
.lede { font-size: 1.1rem; }
.muted { color: var(--muted); }
.accent { color: var(--purple); }
ul { margin: 0 0 1rem; padding-left: 1.25rem; }
li { margin: 0 0 0.4rem; }

/* Buttons & links */
.cta {
  display: inline-block;
  margin: 0.5rem 0 0;
  padding: 0.7rem 1.25rem;
  background: var(--teal-deep);
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
  transition: background 120ms ease;
}
.cta:hover { background: var(--teal); }
a.inline { color: var(--teal-deep); }
a.inline:hover { color: var(--purple); }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}