/* Crossy site styles */
:root {
  --bg: #0b0c10;
  --bg-elev: #111218;
  --text: #e7e8ee;
  --muted: #a7aabb;
  --primary: #5b8cff; /* blue */
  --primary-2: #7a5bff; /* indigo */
  --accent: #25d0a8; /* teal accent */
  --border: rgba(231,232,238,0.12);
  color-scheme: light dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --bg-elev: #f7f8fb;
    --text: #111217;
    --muted: #4b4f5c;
    --border: rgba(17,18,23,0.12);
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(180deg, rgba(0,0,0,0.25), transparent), var(--bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(6px);
}
.navbar { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; font-weight: 700; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav { display: flex; align-items: center; gap: 18px; }
.nav a { color: inherit; text-decoration: none; opacity: 0.9; }
.nav a:hover { opacity: 1; }

.cta-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px; text-decoration: none; font-weight: 600;
  padding: 10px 14px; border-radius: 10px;
  color: white; background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 8px 24px rgba(91,140,255,0.25);
}
.cta-btn:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(91,140,255,0.35); }

/* Hero */
.hero { padding: 64px 0 24px; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 32px; }
.hero h1 { font-size: clamp(32px, 6vw, 56px); line-height: 1.05; margin: 0 0 10px; }
.hero p.lead { font-size: clamp(16px, 2.2vw, 20px); color: var(--muted); margin: 0 0 22px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; }
.secondary-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 10px; text-decoration: none; color: inherit; border: 1px solid var(--border); background: var(--bg-elev); }
.secondary-btn:hover { border-color: transparent; outline: 1px solid rgba(255,255,255,0.2); }

.badges { display: flex; gap: 10px; align-items: center; margin-top: 8px; }
.badge { font-size: 13px; padding: 4px 10px; border-radius: 999px; background: rgba(37,208,168,0.12); color: var(--accent); border: 1px solid rgba(37,208,168,0.35); }

/* Sections */
.section { padding: 32px 0; }
.section .section-title { font-size: 22px; margin: 0 0 14px; }
.muted { color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }

/* Screenshots */
.screenshots { background: linear-gradient(180deg, rgba(123,91,255,0.10), transparent 60%); padding: 36px 0 60px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.phone {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 10px; /* bezel */
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}
.phone img { width: 100%; height: auto; display: block; border-radius: 14px; }
.caption { text-align: center; font-size: 13px; color: var(--muted); margin-top: 8px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 20px 0; margin-top: 30px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 16px; }
.footer-links a { color: inherit; text-decoration: none; opacity: 0.9; }
.footer-links a:hover { opacity: 1; }

/* App Store badge */
.store-badge { display: inline-block; line-height: 0; }
.store-badge img { height: 44px; width: auto; display: block; }
.nav .store-badge img { height: 28px; }

/* Click-to-enlarge lightbox */
.screenshots .phone img { cursor: zoom-in; }
.lightbox {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  background: rgba(0,0,0,0.75);
  z-index: 1000;
  padding: 24px;
}
.lightbox.open { display: grid; }
.lightbox img {
  max-width: min(1000px, 95vw);
  max-height: 90vh;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.lightbox-close {
  position: absolute;
  top: 16px; right: 16px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  width: 36px; height: 36px;
  font-size: 22px;
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
}
.lightbox-close:hover { background: rgba(0,0,0,0.75); }

/* Content pages */
.main { padding: 32px 0; }
.prose { max-width: 900px; margin: 0 auto; }
.prose h1 { font-size: 32px; margin: 0 0 4px; }
.prose h2 { font-size: 20px; margin: 22px 0 8px; }
.prose h3 { font-size: 16px; margin: 16px 0 4px; }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 20px 0; }
.prose a { color: inherit; text-decoration: underline; }
.prose ul { padding-left: 1.2rem; }

/* Responsive */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 560px) {
  .nav { display: none; }
  .cards { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
}

/* Forms */
.form { max-width: 680px; margin: 12px 0 0; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-field { display: grid; gap: 6px; margin-bottom: 12px; }
label { font-size: 14px; color: var(--muted); }
input[type="text"], input[type="email"], textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
}
textarea { min-height: 140px; resize: vertical; }
button[type="submit"] {
  appearance: none;
  border: none;
  cursor: pointer;
  margin-top: 6px;
  padding: 10px 14px;
  border-radius: 10px;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 8px 24px rgba(91,140,255,0.25);
}
button[type="submit"]:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(91,140,255,0.35); }
button[type="submit"][disabled] { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }
.small { font-size: 12px; color: var(--muted); }

/* Alerts */
.alert { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); margin-top: 10px; }
.alert-success { background: rgba(37,208,168,0.12); color: var(--accent); border-color: rgba(37,208,168,0.35); }
.alert-error { background: rgba(255,87,87,0.12); color: #ff8787; border-color: rgba(255,87,87,0.35); }