/* ============================================================
   CyberStewart Landing Page
   ============================================================ */

:root {
  --bg: #0c0c0f;
  --bg-card: #16161f;
  --bg-card-hover: #1e1e2e;
  --accent: #5f9ea0;
  --accent2: #7b68ee;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --border: #2a2a3e;
  --radius: 14px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- Header ---- */
header {
  text-align: center;
  padding: 4rem 1rem 2rem;
  background: linear-gradient(180deg, #0d0d1a 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  color: var(--text-dim);
  margin-top: 0.5rem;
  font-size: 1.1rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ---- Grid ---- */
main {
  flex: 1;
  padding: 3rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* ---- App Card ---- */
.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.app-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(95, 158, 160, 0.15);
  background: var(--bg-card-hover);
}

/* ---- Screenshot ---- */
.app-screenshot {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0a0a14;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-screenshot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0; left: 0;
}

.placeholder-icon {
  font-size: 3.5rem;
  opacity: 0.3;
}

.app-screenshot img:not([style*="display:none"]) + .placeholder-icon {
  display: none;
}

/* ---- App Info ---- */
.app-info {
  padding: 1.25rem;
  flex: 1;
}

.app-info h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.app-info p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ---- Footer ---- */
footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-dim);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  header h1 { font-size: 2rem; }
  main { padding: 2rem 1rem; }
  .app-grid { grid-template-columns: 1fr; }
}