:root {
  --azure-spirit: #4A90E2;
  --feather-white: #FDFDFD;
  --soft-silver: #C8D0D8;
  --golden-glow: #D9B870;
  --electric-sky: #8FDBFF;
  --text: #0f172a;
  --muted: #475569;
  --bg: #f7fafc;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(74,144,226,0.15);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: linear-gradient(180deg, #ffffff, var(--bg));
}

.site-header {
  position: sticky; top: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: rgba(255,255,255,0.8);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(200,208,216,0.5);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-logo { width: 28px; height: 28px; }
.brand-name { font-family: Poppins, Inter, system-ui; font-weight: 700; color: var(--azure-spirit); letter-spacing: 0.3px; }
.nav a { color: var(--muted); text-decoration: none; margin-left: 16px; padding: 8px 10px; border-radius: 10px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); background: #fff; box-shadow: var(--shadow); }

.hero {
  display: grid; grid-template-columns: 1.25fr 0.75fr; align-items: center;
  gap: 32px; padding: 64px 24px 40px; max-width: 1080px; margin: 0 auto;
}
.hero h1 { font-family: Poppins, Inter; font-weight: 700; font-size: 2.2rem; margin: 0 0 12px; }
.lead { font-size: 1.05rem; color: var(--muted); }
.hero-actions { display: flex; gap: 12px; margin-top: 22px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 16px; border-radius: 12px; text-decoration: none; font-weight: 600; }
.btn.primary { background: var(--azure-spirit); color: white; box-shadow: var(--shadow); }
.btn.primary:hover { filter: brightness(1.05); }
.btn.ghost { border: 1px solid var(--soft-silver); color: var(--text); background: #fff; }
.btn.ghost:hover { border-color: var(--azure-spirit); }
.hero-art { height: 240px; border-radius: var(--radius);
  background: radial-gradient(120px 100px at 60% 40%, rgba(77,160,240,0.25), transparent 60%),
              radial-gradient(180px 140px at 30% 70%, rgba(143,219,255,0.25), transparent 60%),
              linear-gradient(135deg, #fff, #f3f7fb);
  box-shadow: var(--shadow);
}

.features { max-width: 1080px; margin: 0 auto; padding: 40px 24px; }
.features h2 { font-family: Poppins, Inter; font-size: 1.6rem; margin: 0 0 16px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card { padding: 18px; background: #fff; border: 1px solid rgba(200,208,216,0.6); border-radius: var(--radius); box-shadow: var(--shadow); }
.feature-card h3 { margin: 0 0 8px; font-weight: 700; color: var(--azure-spirit); }

.apps-preview { max-width: 1080px; margin: 0 auto; padding: 24px; }
.apps-preview h2 { font-family: Poppins, Inter; font-size: 1.6rem; margin: 0 0 14px; }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.app-card { display: block; padding: 18px; border-radius: var(--radius); background: #fff; border: 1px solid rgba(200,208,216,0.6); text-decoration: none; box-shadow: var(--shadow); }
.app-card:hover { border-color: var(--azure-spirit); transform: translateY(-1px); transition: 150ms ease; }
.app-title { font-weight: 700; color: var(--text); }
.app-meta { color: var(--muted); margin-top: 6px; }

.site-footer { border-top: 1px solid rgba(200,208,216,0.6); margin-top: 24px; padding: 24px; background: #fff; display: grid; gap: 10px; align-items: center; justify-items: start; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; }
.footer-brand img { width: 22px; height: 22px; }
.footer-nav a { margin-right: 12px; color: var(--muted); text-decoration: none; }
.footer-nav a:hover { color: var(--azure-spirit); }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
}

/* Accessibility helpers */
:focus-visible { outline: 3px solid var(--electric-sky); outline-offset: 2px; border-radius: 6px; }