/* Colori: cambia questi per cambiare tutto il sito */
:root {
  --bg: #fafaf8;
  --text: #1c1c1a;
  --muted: #6b6b66;
  --card: #ffffff;
  --border: #e4e4df;
  --accent: #3b6cf6;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121214;
    --text: #ececea;
    --muted: #9a9a95;
    --card: #1b1b1e;
    --border: #2a2a2e;
    --accent: #7c9cff;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  @font-face {
      font-family: Libron, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
      line-height: 1.6;
}

main, .site-header, .site-footer {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}
.logo span { color: var(--accent); }

nav a {
  margin-left: 1.25rem;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s;
}
nav a:hover { color: var(--text); }

/* Hero */
.hero { padding: 5rem 0 4rem; }

.eyebrow {
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .8rem;
  margin: 0 0 .75rem;
}

h1 {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}

.lead { font-size: 1.2rem; color: var(--muted); margin: 0 0 2rem; }

.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: .75rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform .15s, opacity .15s;
}
.button:hover { transform: translateY(-2px); opacity: .92; }

/* Sezioni */
section { padding: 2.5rem 0; border-top: 1px solid var(--border); }
.hero { border-top: none; }
h2 { margin: 0 0 1rem; font-size: 1.6rem; }

/* Card */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: transform .2s, border-color .2s;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); }
.card h3 { margin: 0 0 .4rem; }
.card p { margin: 0; color: var(--muted); }

code {
  background: var(--card);
  border: 1px solid var(--border);
  padding: .1rem .35rem;
  border-radius: 6px;
  font-size: .9em;
}

/* Footer */
.site-footer {
  padding-top: 2rem;
  padding-bottom: 2rem;
  color: var(--muted);
  font-size: .9rem;
}