/* Minimal, production-friendly CSS for marketing pages under /home */
/* Variables */
:root {
  --bg: #ffffff;
  --fg: #0b0f19;
  --muted: #5b6475;
  --border: #e6e8ec;
  --surface: #f7f8fa;
  --brand: #2563eb;
  --brand-contrast: #ffffff;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 2px 8px rgba(0,0,0,0.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f19;
    --fg: #e6e8ec;
    --muted: #9aa4b2;
    --border: #1e2433;
    --surface: #121828;
    --brand: #60a5fa;
    --brand-contrast: #0b0f19;
    --shadow: 0 1px 2px rgba(0,0,0,0.5), 0 2px 8px rgba(0,0,0,0.35);
  }
}

/* Base */
* { box-sizing: border-box }
html { scroll-behavior: smooth }
body {
  margin: 0;
  color: var(--fg);
  background: var(--bg);
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Ubuntu, Cantarell, Noto Sans, "Apple Color Emoji", "Segoe UI Emoji";
}
a { color: var(--brand); text-underline-offset: 2px }
a:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px }
img { max-width: 100%; height: auto }

.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header / nav */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 56px; gap: .75rem;
}
.brand { display: inline-flex; align-items: center; gap: .5rem; color: inherit; text-decoration: none }
.brand-name { font-weight: 600 }

/* Mobile toggle (checkbox pattern) */
.nav-toggle { position: absolute; left: -9999px }
.nav-toggle-btn { width: 40px; height: 40px; display: none; align-items: center; justify-content: center; cursor: pointer }
.nav-toggle-btn span,
.nav-toggle-btn span::before,
.nav-toggle-btn span::after {
  display: block; background: var(--fg); height: 2px; width: 22px; border-radius: 1px; position: relative; transition: transform .2s ease;
}
.nav-toggle-btn span::before { content: ""; position: absolute; top: -6px; left: 0; width: 22px; height: 2px; background: var(--fg) }
.nav-toggle-btn span::after  { content: ""; position: absolute; top:  6px; left: 0; width: 22px; height: 2px; background: var(--fg) }

.primary-nav { display: flex; align-items: center; gap: .75rem }
.primary-nav a { color: inherit; text-decoration: none; padding: .5rem .75rem; border-radius: .5rem }
.primary-nav a:hover { background: var(--surface) }
.primary-nav a:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px }
.primary-nav a[aria-current="page"] { font-weight: 600 }
.primary-nav .cta { background: var(--brand); color: var(--brand-contrast); font-weight: 600 }
.primary-nav .cta:hover { filter: brightness(0.95) }

/* Responsive collapse */
@media (max-width: 768px) {
  .nav-toggle-btn { display: inline-flex }
  .primary-nav { position: fixed; inset: 56px 0 auto 0; background: var(--bg); border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
    display: grid; grid-template-columns: 1fr; gap: .25rem; padding: .5rem 1rem; transform: translateY(-120%); transition: transform .2s ease }
  .nav-toggle:checked ~ .nav-toggle-btn { }
  .nav-toggle:checked ~ .nav-toggle-btn span { transform: rotate(45deg) }
  .nav-toggle:checked ~ .nav-toggle-btn span::before { transform: rotate(90deg) translateX(0) }
  .nav-toggle:checked ~ .nav-toggle-btn span::after  { transform: rotate(90deg) translateX(0) }
  .nav-toggle:checked ~ .primary-nav { transform: translateY(0) }
}

/* Main layout */
main.container { padding: 1rem }
section { padding: 1rem 0 }
h1, h2, h3 { line-height: 1.2 }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 1rem 0; background: var(--surface) }
footer nav { display: flex; flex-wrap: wrap; gap: .5rem 1rem }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto }
  .primary-nav { transition: none }
  .nav-toggle-btn span, .nav-toggle-btn span::before, .nav-toggle-btn span::after { transition: none }
}