/* purrguy.me — shared base styles (black & white) */

:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-2: #f5f5f5;
  --ink: #111111;
  --muted: #6b6b6b;
  --line: #e3e3e3;
  --line-strong: #c9c9c9;
  --accent: #111111;
  --accent-2: #111111;
  --danger: #b00020;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
  --font: 'Outfit', system-ui, -apple-system, sans-serif;
  --mono: 'Space Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { display: block; max-width: 100%; }

.skip-link {
  position: absolute;
  top: -10000px;
  left: 0;
  background: var(--ink);
  color: #fff;
  padding: 8px 16px;
  z-index: 10000;
  font-weight: 700;
}
.skip-link:focus { top: 0; }

/* ---------- Nav ---------- */
.shell-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  padding: 12px max(20px, 6%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.shell-brand {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.5px;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.shell-brand .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
  flex: none;
}

.shell-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.shell-links a {
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: all 0.2s;
}
.shell-links a:hover {
  background: var(--surface-2);
  border-color: var(--line);
  color: var(--ink);
  text-decoration: none;
}

.shell-links a.pill {
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
}
.shell-links a.pill:hover { background: #333; color: #fff; }

/* ---------- Type ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 12px;
}

.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

h1, h2, h3 { letter-spacing: -0.03em; line-height: 1.1; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-family: inherit;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
  text-decoration: none;
  color: var(--ink);
  background: transparent;
}

.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover {
  background: #333;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  text-decoration: none;
}

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--line-strong); text-decoration: none; }

.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.btn.small { padding: 10px 16px; font-size: 13px; }

/* ---------- Cards / inputs ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.card h3 { font-size: 16px; font-weight: 700; margin-bottom: 12px; }

.input-group { display: flex; gap: 8px; margin-bottom: 10px; }

.input-group input {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  font-family: inherit;
}
.input-group input::placeholder { color: #9a9a9a; }
.input-group input:focus { outline: 2px solid var(--ink); outline-offset: -1px; border-color: var(--ink); }

.hint { font-size: 12px; color: #999; margin-top: 4px; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 36px max(20px, 6%) 60px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  border-top: 1px solid var(--line);
}
.site-footer strong { color: var(--ink); }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--ink); }

/* ---------- Ads ---------- */
.ad-slot {
  display: flex;
  justify-content: center;
  margin: 0 auto;
  min-height: 90px;
  width: 100%;
  max-width: 970px;
  overflow: hidden;
}

.adblock-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(17, 17, 17, 0.85);
  z-index: 9000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.adblock-overlay.open { display: flex; }

.adblock-card {
  background: #fff;
  border-radius: 20px;
  padding: 36px 32px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  text-align: center;
}
.adblock-card h2 { font-size: 22px; margin-bottom: 10px; color: #111; }
.adblock-card p { color: #555; font-size: 15px; margin-bottom: 22px; }
.adblock-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.adblock-actions .btn { padding: 10px 20px; border-radius: 10px; font-size: 14px; }
.adblock-note { color: #888; font-size: 13px; }

/* ---------- Responsive ---------- */
@media (max-width: 620px) {
  .hide-sm { display: none; }
}

@media (max-width: 720px) {
  .shell-nav {
    padding: 8px 14px;
    gap: 8px;
    flex-wrap: nowrap;
  }
  .shell-brand { font-size: 16px; }
  .shell-links { gap: 0; }
  .shell-links a { font-size: 12px; padding: 6px 7px; }
  .shell-links a.pill { font-size: 11px; padding: 6px 10px; }
  .ad-slot { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}