:root {
  --bg: #ffffff;
  --bg-elev: #f7f7f8;
  --bg-deep: #1f1d1f;
  --text: #111114;
  --text-soft: #4a4a52;
  --text-mute: #6b6b76;
  --border: #e5e5ea;
  --border-strong: #d0d0d6;
  --brand: #2b42f7;
  --brand-ink: #1d2db3;
  --accent: #faad2a;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 1px rgba(0,0,0,0.03);
  --shadow-md: 0 8px 24px rgba(15,15,30,0.08);
  --max: 1080px;
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121214;
    --bg-elev: #1a1a1e;
    --bg-deep: #0c0c10;
    --text: #f3f3f5;
    --text-soft: #c8c8d0;
    --text-mute: #8e8e98;
    --border: #2a2a30;
    --border-strong: #3a3a44;
    --brand: #6378ff;
    --brand-ink: #95a4ff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --shadow-md: 0 10px 28px rgba(0,0,0,0.5);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--brand);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms ease, color 120ms ease;
}
a:hover { border-bottom-color: currentColor; }

h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 0 0 0.5em;
  color: var(--text);
}
h1 { font-size: clamp(2rem, 4.5vw, 3rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); margin-top: 2.5em; }
h3 { font-size: 1.2rem; margin-top: 1.8em; }
p { margin: 0 0 1em; color: var(--text-soft); }
ul, ol { color: var(--text-soft); padding-left: 1.25em; }
li { margin: 0.25em 0; }
hr { border: 0; border-top: 1px solid var(--border); margin: 3rem 0; }
code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--bg-elev);
  padding: 0.15em 0.4em;
  border-radius: 6px;
  border: 1px solid var(--border);
}
pre {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.55;
}
pre code { background: none; padding: 0; border: 0; }

img, svg { max-width: 100%; height: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.95rem;
}
th, td {
  padding: 0.6em 0.9em;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
th { font-weight: 600; color: var(--text); }

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--text);
  border-bottom: 0;
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--text); }
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  display: inline-block;
  background: var(--bg-deep);
  background-image: url("/assets/img/favicon.svg");
  background-size: cover;
}
nav.primary { display: flex; gap: 1.25rem; }
nav.primary a {
  color: var(--text-soft);
  font-size: 0.95rem;
  border-bottom: 0;
}
nav.primary a:hover, nav.primary a.active { color: var(--text); }

/* Hero */
.hero {
  padding: 4rem 0 2.5rem;
}
.hero .container { max-width: 880px; }
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  margin-top: 0.25em;
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand);
  background: color-mix(in srgb, var(--brand) 10%, transparent);
  padding: 0.3em 0.7em;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.lede {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-soft);
  max-width: 60ch;
  margin: 0.5em 0 1.75em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7em 1.1em;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.97rem;
  border: 1px solid transparent;
  border-bottom: 1px solid transparent;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}
.btn-primary {
  background: var(--brand);
  color: #fff;
}
.btn-primary:hover { background: var(--brand-ink); color: #fff; border-bottom-color: transparent; }
.btn-ghost {
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--border-strong); color: var(--text); border-bottom-color: var(--border-strong); }

/* Grid of products */
.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0 3rem;
}
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: border-color 140ms ease, transform 140ms ease;
}
.card:hover { border-color: var(--border-strong); }
.card h3 { margin: 0; font-size: 1.25rem; }
.card .tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-mute);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.2em 0.55em;
  border-radius: 6px;
}
.card .tag.brand {
  color: var(--brand);
  background: color-mix(in srgb, var(--brand) 10%, transparent);
  border-color: color-mix(in srgb, var(--brand) 30%, transparent);
}
.card p { color: var(--text-soft); margin: 0; }
.card .links {
  margin-top: auto;
  padding-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-size: 0.93rem;
}
.card .links a { border-bottom: 0; color: var(--brand); }
.card .links a:hover { border-bottom: 1px solid currentColor; }

/* Feature lists */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem 2rem;
  margin: 1.5rem 0 2rem;
}
.feature h4 {
  font-size: 1rem;
  margin: 0 0 0.35em;
  color: var(--text);
}
.feature p { font-size: 0.96rem; margin: 0; }

/* Article (support / privacy / long pages) */
.article {
  padding: 2.5rem 0 4rem;
}
.article .container { max-width: 760px; }
.article h2:first-of-type { margin-top: 1.5em; }
.article .meta {
  color: var(--text-mute);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 4rem;
  padding: 2.5rem 0 3rem;
  font-size: 0.92rem;
  color: var(--text-mute);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}
.site-footer a { color: var(--text-soft); border-bottom: 0; }
.site-footer a:hover { color: var(--text); }
.foot-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }

/* Utility */
.kicker { color: var(--text-mute); font-size: 0.95rem; }
.muted { color: var(--text-mute); }
.center { text-align: center; }
.pill {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.2em 0.6em;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: color-mix(in srgb, var(--accent) 75%, var(--text));
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
}

/* Hero illustration block */
.hero-art {
  margin-top: 2.5rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #1f1d1f 0%, #2b42f7 120%);
  padding: 3rem 2rem;
  color: #fff;
  text-align: center;
  box-shadow: var(--shadow-md);
}
.hero-art img { width: min(220px, 50%); }
.hero-art p { color: rgba(255,255,255,0.78); margin: 0.75em auto 0; max-width: 42ch; }

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

/* Responsive */
@media (max-width: 640px) {
  nav.primary { gap: 0.85rem; }
  nav.primary a { font-size: 0.88rem; }
  .hero { padding-top: 2.5rem; }
  .site-footer .container { flex-direction: column; align-items: flex-start; }
}