/* ============================================================
   BASE — reset leggero, tipografia, layout generico, header/footer
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: var(--lh-body);
  color: var(--ink);
  background: var(--bg);
  overflow-x: clip;
  text-rendering: optimizeLegibility;
}
img, video, iframe { max-width: 100%; display: block; }
img { height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 0.15em; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: var(--lh-tight); margin: 0 0 var(--space-3); letter-spacing: -0.01em; text-wrap: balance; }
h1 { font-size: var(--fs-2xl); font-weight: 700; }
h2 { font-size: var(--fs-xl); font-weight: 700; }
h3 { font-size: var(--fs-lg); font-weight: 600; }
p { margin: 0 0 var(--space-4); text-wrap: pretty; }
p:last-child { margin-bottom: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 60%, transparent); outline-offset: 3px; border-radius: var(--radius-sm); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Layout */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: var(--container-narrow); }
.section { padding-block: var(--space-9); overflow-x: clip; overflow-y: visible; }
main { overflow-x: clip; }
.section--soft { background: var(--bg-soft); }
.section__head { max-width: var(--container-narrow); margin-bottom: var(--space-7); }
.section__head .kicker { margin-bottom: var(--space-2); }
.lead { font-size: var(--fs-lg); color: var(--ink-soft); }
.kicker { display: inline-block; font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.muted { color: var(--ink-muted); }
.small { font-size: var(--fs-sm); }

/* Bottoni */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 2.9rem; padding: 0.7rem 1.35rem;
  border-radius: var(--radius-pill); border: 1px solid transparent;
  font-weight: 600; font-size: var(--fs-sm); line-height: 1; text-decoration: none; white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background-color var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--accent); color: var(--accent-ink); box-shadow: var(--shadow-sm); }
.btn--primary:hover { box-shadow: var(--shadow-md); background: color-mix(in srgb, var(--accent) 88%, black); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink-muted); background: var(--surface); }
.btn--light { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }
.btn--light:hover { box-shadow: var(--shadow-md); }
.btn svg { width: 1.1em; height: 1.1em; flex: none; }

/* Chip / tag */
.tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.tag { display: inline-block; padding: 0.25rem 0.65rem; border-radius: var(--radius-pill); background: var(--accent-soft); color: var(--accent); font-size: var(--fs-xs); font-weight: 600; line-height: 1.4; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); min-height: 4.25rem; }
.brand { display: flex; align-items: baseline; gap: var(--space-3); color: var(--ink); font-weight: 700; text-decoration: none; letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.brand small { font-weight: 500; color: var(--ink-muted); font-size: var(--fs-xs); }
.nav__links { display: flex; align-items: center; gap: var(--space-1); }
.nav__links a { padding: 0.5rem 0.8rem; border-radius: var(--radius-pill); color: var(--ink-soft); font-weight: 500; font-size: var(--fs-sm); text-decoration: none; transition: background-color var(--dur-fast), color var(--dur-fast); }
.nav__links a:hover, .nav__links a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); }
.nav__tools { display: flex; align-items: center; gap: var(--space-3); }
.lang-switch { display: inline-flex; border: 1px solid var(--line); border-radius: var(--radius-pill); padding: 2px; background: var(--surface); }
.lang-switch button { border: 0; background: transparent; padding: 0.3rem 0.65rem; border-radius: var(--radius-pill); font-size: var(--fs-xs); font-weight: 700; color: var(--ink-muted); letter-spacing: 0.04em; transition: background-color var(--dur-fast), color var(--dur-fast); }
.lang-switch button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
.nav__toggle { display: none; width: 2.75rem; height: 2.75rem; border: 1px solid var(--line); border-radius: var(--radius-pill); background: var(--surface); align-items: center; justify-content: center; }
.nav__toggle svg { width: 1.2rem; height: 1.2rem; }

@media (max-width: 760px) {
  .nav__toggle { display: inline-flex; }
  .nav__links {
    position: absolute; left: var(--gutter); right: var(--gutter); top: calc(100% + 0.5rem);
    flex-direction: column; align-items: stretch; gap: 0.25rem;
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: var(--space-3); box-shadow: var(--shadow-lg);
    opacity: 0; transform: translateY(-8px); pointer-events: none;
    transition: opacity var(--dur-fast), transform var(--dur-fast) var(--ease-out);
  }
  .nav__links.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav__links a { padding: 0.8rem 1rem; }
  .brand small { display: none; }
}

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding-block: var(--space-7); color: var(--ink-soft); font-size: var(--fs-sm); }
.site-footer .container { display: flex; flex-wrap: wrap; gap: var(--space-4) var(--space-6); align-items: center; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: var(--space-4); }

/* Social links: SEMPRE centrati e allineati (flex, nessun float) */
.social { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: var(--space-3); }
.social a {
  display: inline-flex; align-items: center; gap: var(--space-2);
  min-height: 2.75rem; padding: 0.55rem 1.1rem;
  border: 1px solid var(--line); border-radius: var(--radius-pill); background: var(--surface);
  color: var(--ink); font-weight: 600; font-size: var(--fs-sm); text-decoration: none;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast), border-color var(--dur-fast);
}
.social a:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--accent); text-decoration: none; }
.social svg { width: 1.15rem; height: 1.15rem; flex: none; }

/* Stampa: il CV deve uscire bene su carta */
@media print {
  .site-header, .site-footer, .btn, .lang-switch, .cv-toc, .reveal { opacity: 1 !important; transform: none !important; }
  .site-header, .site-footer, .nav__toggle, .hero__media, .banner { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding-block: 1.5rem; break-inside: avoid; }
  a { color: inherit; }
}

/* ---------- Sfondo iridescente: glow morbidi che si muovono lentamente ---------- */
body { position: relative; isolation: isolate; }
body::before, body::after {
  content: ""; position: fixed; inset: -20%; z-index: -1; pointer-events: none;
  filter: blur(70px); opacity: var(--glow-opacity, 0.55);
}
body::before {
  background:
    radial-gradient(38% 32% at 18% 22%, color-mix(in srgb, var(--accent) 34%, transparent), transparent 70%),
    radial-gradient(34% 30% at 82% 18%, color-mix(in srgb, var(--accent-2) 30%, transparent), transparent 70%),
    radial-gradient(40% 34% at 70% 78%, color-mix(in srgb, #ff5fa2 22%, transparent), transparent 70%),
    radial-gradient(30% 28% at 20% 80%, color-mix(in srgb, #29c7d9 24%, transparent), transparent 70%);
  animation: glow-drift 28s ease-in-out infinite alternate;
}
body::after {
  background:
    radial-gradient(26% 24% at 55% 45%, color-mix(in srgb, #ffd66b 16%, transparent), transparent 70%),
    radial-gradient(30% 26% at 30% 55%, color-mix(in srgb, var(--accent-2) 16%, transparent), transparent 70%);
  animation: glow-drift 40s ease-in-out infinite alternate-reverse;
}
@keyframes glow-drift {
  from { transform: translate3d(-3%, -2%, 0) rotate(0deg) scale(1); }
  to   { transform: translate3d(3%, 4%, 0) rotate(6deg) scale(1.08); }
}
@media (prefers-reduced-motion: reduce) { body::before, body::after { animation: none; } }
.section--soft { background: transparent; }