/* ==========================================================================
   LAYOUT.CSS — contenitore, header, navigazione, sezioni, footer
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) { .container { padding-inline: var(--space-8); } }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.site-header.is-scrolled { border-bottom-color: var(--border); }

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand .prompt { color: var(--accent); }
.brand .cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.1em;
  margin-left: 2px;
  vertical-align: -0.2em;
  background: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.header-actions { display: flex; align-items: center; gap: var(--space-2); }

/* ---------- Navigazione ---------- */
.nav-list { display: flex; gap: var(--space-1); }
.nav-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  white-space: nowrap;
}
.nav-link::before { content: "./"; color: var(--text-faint); }
.nav-link:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.nav-link.is-active { color: var(--accent); }
.nav-link.is-active::before { color: var(--accent); }

.icon-btn.nav-toggle { display: none; }

@media (max-width: 1080px) {
  .icon-btn.nav-toggle { display: inline-flex; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: var(--space-4);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }
  .nav.is-open { opacity: 1; transform: none; visibility: visible; }
  .nav-list { flex-direction: column; }
  .nav-link { font-size: var(--fs-base); padding: var(--space-3) var(--space-4); }
}

/* ---------- Sezioni ---------- */
.section { padding-block: var(--section-y); border-top: 1px solid var(--border); }

.section-head { margin-bottom: var(--space-12); max-width: 680px; }
.section-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--accent);
  margin-bottom: var(--space-3);
}
.section-eyebrow .idx { color: var(--text-faint); }
.section-eyebrow::after {
  content: "";
  flex: 1;
  max-width: 120px;
  height: 1px;
  background: var(--border-strong);
}
.section-title { font-size: var(--fs-xl); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding-block: var(--space-8); }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}
.footer-links { display: inline-flex; gap: var(--space-6); flex-wrap: wrap; }
@media print { .consent { display: none !important; } }