:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --ink: #152033;
  --muted: #5b6b7f;
  --accent: #0d47a1;
  --line: #e3ebf5;
  --radius: 14px;
  --shadow: 0 8px 28px rgba(21, 32, 51, 0.06);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #d6e6ff 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #e8f5e9 0%, transparent 45%),
    var(--bg);
  line-height: 1.65;
}

.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  background: #fff;
  padding: 0.5rem 0.75rem;
  z-index: 10;
}

.wrap {
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
}

.top {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(244, 247, 251, 0.85);
  border-bottom: 1px solid var(--line);
  z-index: 5;
}
.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
}
.brand {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}
nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin: 1.25rem auto 2rem;
}

.hero h1 { margin: 0.2rem 0 0.6rem; font-size: clamp(1.6rem, 3vw, 2rem); }
.eyebrow {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0;
}
.meta { color: var(--muted); font-size: 0.95rem; }
.note {
  background: #fff8e1;
  border-left: 4px solid #ffb300;
  padding: 0.75rem 1rem;
  border-radius: 8px;
}

h1, h2 { line-height: 1.25; }
h2 {
  margin-top: 1.75rem;
  font-size: 1.15rem;
  color: var(--accent);
}
code {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.86em;
  background: #eef3fa;
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
  word-break: break-all;
}
a { color: var(--accent); }

.search-label {
  display: block;
  font-weight: 600;
  margin-top: 1rem;
}
#busca {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 1rem;
}
#busca:focus {
  outline: 2px solid rgba(13, 71, 161, 0.35);
  border-color: var(--accent);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.85rem;
  padding-bottom: 2.5rem;
}
.app-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  text-decoration: none;
  color: inherit;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.app-card:hover {
  transform: translateY(-2px);
  border-color: #b7c9e6;
}
.app-card span { color: var(--muted); font-size: 0.9rem; }
.app-card.is-hidden { display: none; }

.page-foot {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .card { padding: 1.15rem; }
}