/* Base */
:root {
  --bg: #ffffff;
  --text: #121212;
  --muted: #5f6368;
  --primary: #1a73e8;
  --primary-contrast: #ffffff;
  --secondary: #0b8043;
  --surface: #f5f7fb;
  --border: #e5e7eb;
  --shadow: 0 10px 20px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.04);
}

html, body {
  padding: 0;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 20px 56px;
}

h1, h2, h3 {
  line-height: 1.25;
  margin: 0.6em 0 0.4em;
}

p { margin: 0.6em 0; }
ul { margin: 0.6em 0 0.6em 1.2em; }

.muted { color: var(--muted); }

/* Nav */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.9);
  backdrop-filter: saturate(120%) blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 900px;
  margin: 0 auto;
  padding: 12px 20px;
}

.nav__logo {
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
}

.nav__links { display: flex; gap: 14px; }
.nav__link {
  color: var(--text);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
}
.nav__link[aria-current="page"] {
  background: var(--surface);
}
.nav__link:hover { color: var(--primary); }

/* Hero */
.hero {
  text-align: center;
  padding: 56px 0 28px;
}
.lead { font-size: 1.1rem; color: var(--muted); }

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 14px;
  text-decoration: none;
  color: var(--text);
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(0,0,0,0.08), 0 10px 10px rgba(0,0,0,0.04);
}
.button--primary { background: var(--primary); color: var(--primary-contrast); }
.button--primary:hover { background: #166ad6; }
.button--secondary { background: var(--secondary); color: var(--primary-contrast); }
.button--secondary:hover { background: #0a6f39; }

/* Legal */
.legal h2 { margin-top: 1.2em; }
.legal ul li { margin: 0.4em 0; }
.back { margin-top: 32px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 18px 20px;
  text-align: center;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 640px) {
  html, body { font-size: 16px; }
  .nav { padding: 12px 14px; }
  .nav__links { gap: 8px; }
  .nav__link { padding: 8px 10px; }
  .container { padding: 20px 16px 56px; }
  .hero { padding: 40px 0 20px; }
  .lead { font-size: 1rem; }
  .cta-buttons { gap: 12px; }
  .button { width: 100%; text-align: center; padding: 16px 20px; border-radius: 16px; }
  .legal ul { margin-left: 1em; }
}

/* Very small phones */
@media (max-width: 360px) {
  .nav__links { flex-wrap: wrap; }
  .nav__link { flex: 1 1 auto; text-align: center; }
  .cta-buttons { gap: 10px; }
}