/* ── Design tokens (stessi della error page) ────────────────────── */
:root {
  --bg:          #f7f4ef;
  --ink:         #2f1829;
  --muted:       #5b4a58;
  --accent:      #432298;
  --accent-dark: #1b307a;
  --surface:     #ffffff;
  --border:      #e8e0d8;
  --shadow:      0 4px 24px rgba(47, 24, 41, 0.08);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  background: radial-gradient(circle at 20% 20%, #fff9ed 0%, var(--bg) 40%, #efe8dc 100%);
  color: var(--ink);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

/* ── Layout ─────────────────────────────────────────────────────── */
.container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Topbar ─────────────────────────────────────────────────────── */
.topbar {
  width: 100%;
  background: var(--accent);
  color: #fff;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 12px rgba(47, 24, 41, 0.15);
}

.logo {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

nav {
  display: flex;
  gap: 0.25rem;
}

nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.45rem 0.9rem;
  border-radius: 0.5rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}

nav a:hover,
nav a:focus-visible {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

/* link attivo — aggiungi class="active" all'<a> corrente */
nav a.active {
  background: var(--accent-dark);
  color: #fff;
}

/* ── Content ─────────────────────────────────────────────────────── */
.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;        /* ← centrato orizzontalmente */
  justify-content: center;   /* ← centrato verticalmente */
  text-align: center;        /* ← testo centrato */
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem 2rem;
}


.content h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.1;
  color: var(--ink);
}

.content p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  max-width: 52ch;
}

/* ── Card riutilizzabile (opzionale) ─────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow);
  width: 100%;
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .topbar {
    padding: 0 1rem;
    flex-wrap: wrap;
    height: auto;
    gap: 0.5rem;
    padding-block: 0.75rem;
  }

  .content {
    padding: 2rem 1rem;
  }
}