/* RankupRL site — minimal dark theme matching the desktop app.
 * Russo One headings, Chakra Petch body, neon purple accent.
 * No frameworks, no JS — pure CSS, ships immediately on GitHub Pages.
 */

@import url("https://fonts.googleapis.com/css2?family=Russo+One&family=Chakra+Petch:wght@400;500;600&display=swap");

:root {
  --bg: #0F0F23;
  --paper: #1A1A2E;
  --primary: #7C3AED;
  --primary-light: #A78BFA;
  --text: #E2E8F0;
  --text-dim: #94A3B8;
  --divider: rgba(226, 232, 240, 0.12);
  --success: #22C55E;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Chakra Petch", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

h1, h2, h3, h4 {
  font-family: "Russo One", sans-serif;
  letter-spacing: 0.04em;
  margin: 0 0 0.5em 0;
}

h1 { font-size: 2.5rem; color: var(--text); }
h2 { font-size: 1.5rem; margin-top: 2em; color: var(--primary-light); }
h3 { font-size: 1.15rem; margin-top: 1.5em; color: var(--text); }

p, ul, ol { margin: 0 0 1em 0; }
ul, ol { padding-left: 1.5em; }
li { margin-bottom: 0.4em; }

code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  background: rgba(255, 255, 255, 0.06);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.92em;
}

header {
  border-bottom: 1px solid var(--divider);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand {
  font-family: "Russo One", sans-serif;
  font-size: 1.3rem;
  letter-spacing: 0.06em;
  color: var(--text);
  border: none;
}
.brand:hover { color: var(--primary-light); }

nav { display: flex; gap: 1.5rem; font-size: 0.95rem; }
nav a { color: var(--text-dim); border: none; }
nav a:hover { color: var(--primary-light); }

main {
  flex: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
  width: 100%;
}

.hero {
  text-align: center;
  padding: 3rem 0 2rem;
}
.hero h1 { font-size: 3rem; margin-bottom: 0.3em; }
.hero .tagline {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 540px;
  margin: 0 auto 1.5em;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid var(--primary);
  color: var(--primary-light);
  font-size: 0.85rem;
  font-family: "Russo One", sans-serif;
  letter-spacing: 0.05em;
}
.badge .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-light);
  box-shadow: 0 0 8px var(--primary-light);
}

.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 1em;
}
.feature {
  background: var(--paper);
  padding: 1.2rem 1.3rem;
  border-radius: 10px;
  border: 1px solid var(--divider);
}
.feature h3 { margin-top: 0; color: var(--primary-light); font-size: 1rem; }
.feature p { margin: 0; color: var(--text-dim); font-size: 0.95rem; line-height: 1.5; }

.policy {
  /* Slightly looser line height for long-form reading. */
  line-height: 1.7;
}
.policy h2 { margin-top: 2.5em; }
.policy .meta {
  color: var(--text-dim);
  font-size: 0.9rem;
  font-style: italic;
}

.callout {
  background: var(--paper);
  border-left: 3px solid var(--primary);
  padding: 1rem 1.2rem;
  border-radius: 6px;
  margin: 1.5em 0;
  color: var(--text-dim);
}
.callout strong { color: var(--text); }

footer {
  border-top: 1px solid var(--divider);
  padding: 1.5rem 2rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  header { padding: 1rem; }
  main { padding: 2rem 1.2rem 3rem; }
  .hero { padding: 1.5rem 0 1.5rem; }
  .hero h1 { font-size: 2.2rem; }
  h1 { font-size: 2rem; }
}