/* ============================================================
   Spot The Aurora — shared design tokens
   Palette sampled directly from the app icon's aurora gradient:
   indigo sky -> violet -> magenta curtain -> deep pine green,
   with a near-black ridge line and Southern Cross star accents.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@600;700;800&family=Manrope:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  /* core palette (sampled from icon) */
  --void:        #05050e;
  --sky-top:     #191657;
  --sky-mid:     #42228a;
  --sky-warm:    #7a1a3e;
  --sky-deep:    #06463d;
  --ridge:       #050807;

  /* surfaces */
  --panel:       #0d0f1c;
  --panel-raised:#131627;
  --border:      #23273d;

  /* text */
  --mist:        #f3f5fb;
  --muted:       #9aa2bd;
  --faint:       #5b6280;

  /* accents (brightened from the palette, used sparingly) */
  --aurora-green: #4dedb0;
  --aurora-pink:  #ff6f9c;

  /* type */
  --font-display: 'Big Shoulders Display', sans-serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--void);
  color: var(--mist);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 5, 14, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.site-nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--mist);
}
.site-nav .brand img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: block;
}
.site-nav .links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14.5px;
  font-weight: 600;
}
.site-nav .links a {
  text-decoration: none;
  color: var(--muted);
  transition: color 0.15s ease;
}
.site-nav .links a:hover,
.site-nav .links a.active { color: var(--mist); }
.site-nav .cta {
  background: var(--aurora-green);
  color: #04140f;
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13.5px;
  text-decoration: none;
  white-space: nowrap;
}

/* ---------- ridge divider (signature element) ----------
   A silhouette horizon line, echoing the mountain in the app
   icon. Used to separate "sky" hero moments from "ground"
   content sections throughout the site. */
.ridge {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: -1px;
}
.ridge path { fill: var(--ridge); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--aurora-green);
  color: #04140f;
}
.btn-secondary {
  background: transparent;
  color: var(--mist);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--faint); }

/* ---------- section utility ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--aurora-green);
  margin: 0 0 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  line-height: 1.05;
}
.section-lede {
  color: var(--muted);
  font-size: 17px;
  max-width: 560px;
  margin: 0 0 40px;
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  color: var(--faint);
  font-size: 13.5px;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.site-footer .links { display: flex; gap: 20px; }
.site-footer a { text-decoration: none; color: var(--faint); }
.site-footer a:hover { color: var(--muted); }

@media (max-width: 640px) {
  .site-nav .links { display: none; }
}