/* ============================================================
   Simone Mantovani - personal site
   ============================================================ */

/* ---------- Font (self-hosted, subset latin, SIL OFL 1.1) ---------- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("../fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Sora";
  font-style: normal;
  font-weight: 600 700;
  font-display: swap;
  src: url("../fonts/sora-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Tokens ---------- */
:root {
  --bg:        #0b0d12;
  --bg-alt:    #0f131b;
  --surface:   #131823;
  --surface-2: #1a2130;
  --border:    #232b3a;
  --text:      #e8eaf0;
  --muted:     #98a2b3;
  --accent:    #6366f1;
  --accent-2:  #22d3ee;
  --accent-sf: rgba(99, 102, 241, .14);
  --shadow:    0 18px 40px -18px rgba(0, 0, 0, .8);

  /* Nel tema scuro la profondita' la fanno le superfici piu' chiare, non le ombre. */
  --shadow-rest: none;
  --grid-line:   rgba(99, 102, 241, .12);
  --glow:        color-mix(in srgb, var(--accent) 26%, transparent);
  --g2:          var(--accent-2);   /* chiusura dei gradienti decorativi */
  --btn-from:    #6366f1;
  --btn-to:      #7c3aed;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-disp: "Sora", var(--font-sans);

  --maxw: 1120px;
  --radius: 16px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

html[data-theme="light"] {
  /* Lo sfondo non e' bianco puro: le card bianche devono staccarsi dalla pagina. */
  --bg:        #fbfcfe;
  --bg-alt:    #f1f4fa;
  --surface:   #ffffff;
  --surface-2: #eaeff8;
  --border:    #dde3ee;
  --text:      #0f172a;
  --muted:     #55607a;
  --accent:    #4f46e5;
  --accent-2:  #0e7490;
  --accent-sf: rgba(79, 70, 229, .07);
  --shadow:    0 20px 44px -22px rgba(15, 23, 42, .26);

  /* In chiaro la profondita' la fanno le ombre: senza, resta tutto piatto. */
  --shadow-rest: 0 1px 2px rgba(15, 23, 42, .04), 0 12px 28px -20px rgba(15, 23, 42, .22);
  --grid-line:   rgba(79, 70, 229, .10);
  --glow:        color-mix(in srgb, var(--accent) 14%, transparent);
  --g2:          #06b6d4;
  --btn-from:    #4f46e5;
  --btn-to:      #7c3aed;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .3s var(--ease), color .3s var(--ease);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-disp); font-weight: 600; line-height: 1.2; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: 6px; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
.section { padding: 104px 0; position: relative; }
.section--alt { background: var(--bg-alt); }
.section__head { max-width: 680px; margin-bottom: 56px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent-2); margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }
.section__title { font-size: clamp(1.75rem, 3.4vw, 2.5rem); margin-bottom: 16px; }
.section__sub { color: var(--muted); font-size: 1.05rem; }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .3s var(--ease), border-color .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.header.is-stuck {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--border);
}
.header__inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { font-family: var(--font-disp); font-weight: 700; font-size: 1.05rem; letter-spacing: -.02em; margin-right: auto; }
.brand span { color: var(--accent-2); }
.nav { display: flex; gap: 4px; }
.nav a {
  padding: 8px 14px; border-radius: 999px; font-size: .92rem; color: var(--muted);
  white-space: nowrap;
  transition: color .2s, background .2s;
}
.nav a:hover, .nav a.is-active { color: var(--text); background: var(--surface-2); }
.header__tools { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.icon-btn {
  flex: 0 0 auto;
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid var(--border); border-radius: 10px; background: var(--surface);
  color: var(--muted); transition: color .2s, border-color .2s, transform .2s;
}
.icon-btn:hover { color: var(--text); border-color: var(--accent); transform: translateY(-1px); }

/* Toggle lingua: pillola segmentata, non deve mai andare a capo */
.lang-btn {
  width: auto; padding: 0 5px; display: flex; align-items: center; gap: 3px;
  white-space: nowrap; line-height: 1;
}
.lang-btn__opt {
  padding: 4px 8px; border-radius: 7px;
  font-size: .78rem; font-weight: 600; letter-spacing: .05em; color: var(--muted);
  transition: color .2s, background .2s;
}
.lang-btn__opt.is-on { color: var(--text); background: var(--surface-2); }
.lang-btn__sep { font-size: .78rem; color: var(--border); }
.burger { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 24px; border-radius: 12px; font-weight: 600; font-size: .95rem;
  border: 1px solid transparent;
  transition: transform .2s var(--ease), box-shadow .2s, background .2s, border-color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: linear-gradient(135deg, var(--btn-from), var(--btn-to));
  color: #fff; box-shadow: 0 10px 26px -10px color-mix(in srgb, var(--accent) 70%, transparent);
}
.btn--primary:hover { box-shadow: 0 16px 34px -12px color-mix(in srgb, var(--accent) 75%, transparent); }
.btn--ghost { border-color: var(--border); background: var(--surface); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); }
.btn svg { width: 17px; height: 17px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 168px 0 104px; overflow: hidden; }
.hero__glow {
  position: absolute; top: -280px; left: 50%; translate: -50% 0;
  width: 900px; height: 640px; pointer-events: none; z-index: 0;
  background: radial-gradient(closest-side, var(--glow), transparent);
  filter: blur(20px);
}
.hero__grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 55% at 50% 0%, #000 30%, transparent 78%);
}
.hero__inner {
  position: relative; z-index: 1;
}
.badge {
  display: inline-flex; align-items: center; gap: 9px; padding: 7px 15px 7px 11px;
  border: 1px solid var(--border); border-radius: 999px; background: var(--surface);
  font-size: .84rem; color: var(--muted); margin-bottom: 26px;
  box-shadow: var(--shadow-rest);
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 3px rgba(34, 197, 94, .18); }
.hero h1 { font-size: clamp(2.4rem, 5.6vw, 3.9rem); margin-bottom: 20px; }
.grad {
  background: linear-gradient(115deg, var(--accent), var(--g2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lead { font-size: clamp(1.02rem, 1.6vw, 1.16rem); color: var(--muted); max-width: 620px; margin-bottom: 34px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 44px; }
.hero__stats { display: flex; flex-wrap: wrap; gap: 40px; }
.stat b { display: block; font-family: var(--font-disp); font-size: 1.85rem; line-height: 1.1; }
.stat span { font-size: .84rem; color: var(--muted); }

/* ---------- Cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  position: relative; padding: 32px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); overflow: hidden;
  box-shadow: var(--shadow-rest);
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), var(--accent-sf), transparent 65%);
  transition: opacity .3s;
}
.card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: var(--shadow);
}
.card:hover::after { opacity: 1; }
.card__icon {
  width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 22px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 22%, transparent), color-mix(in srgb, var(--g2) 20%, transparent));
  border: 1px solid var(--border); color: var(--accent-2);
}
.card__icon svg { width: 23px; height: 23px; }
.card h3 { font-size: 1.22rem; margin-bottom: 12px; }
.card p { color: var(--muted); font-size: .96rem; margin-bottom: 20px; }
.tick { display: flex; flex-direction: column; gap: 9px; }
.tick li { display: flex; gap: 10px; font-size: .9rem; color: var(--muted); }
.tick li::before { content: "\2713"; color: var(--accent-2); font-weight: 700; flex: 0 0 auto; }

/* ---------- Skills ---------- */
.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(272px, 1fr)); gap: 20px; }
.skillbox { padding: 26px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-rest); }
.skillbox h4 { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 6px 13px; border-radius: 999px; font-size: .84rem;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--muted);
  transition: color .2s, border-color .2s;
}
.chip:hover { color: var(--text); border-color: var(--accent); }

/* ---------- Percorso: aziende ---------- */
.orgs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 68px; }
.org {
  padding: 20px 22px; border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: 4px 13px 13px 4px; background: var(--surface);
  box-shadow: var(--shadow-rest);
  transition: border-color .25s, transform .25s var(--ease);
}
.org:hover { transform: translateY(-3px); border-left-color: var(--accent-2); }
.org em {
  display: block; font-style: normal; font-size: .72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .09em; color: var(--accent-2); margin-bottom: 8px;
}
.org b { display: block; font-family: var(--font-disp); font-size: 1.06rem; letter-spacing: -.01em; margin-bottom: 3px; }
.org span { display: block; font-size: .86rem; color: var(--muted); }

/* ---------- Percorso: competenze ---------- */
.caps-lead { font-size: clamp(1.3rem, 2.4vw, 1.7rem); margin-bottom: 10px; }
.caps-sub { color: var(--muted); margin-bottom: 34px; max-width: 620px; }
.caps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.cap {
  padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
  box-shadow: var(--shadow-rest);
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.cap:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  box-shadow: var(--shadow);
}
.cap h4 {
  display: flex; align-items: center; gap: 12px;
  font-size: 1.08rem; text-transform: none; letter-spacing: -.01em; color: var(--text); margin-bottom: 16px;
}
.cap h4::before {
  content: ""; flex: 0 0 auto; width: 5px; height: 21px; border-radius: 3px;
  background: linear-gradient(var(--accent), var(--g2));
}
.cap ul { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.cap li { position: relative; padding-left: 18px; color: var(--muted); font-size: .95rem; }
.cap li::before {
  content: ""; position: absolute; left: 0; top: .66em; width: 5px; height: 5px;
  border-radius: 50%; background: var(--accent);
}
.cap b { color: var(--text); font-weight: 600; }
.cap__tech { padding-top: 18px; border-top: 1px solid var(--border); }

/* ---------- Certifications ---------- */
.certs { display: grid; grid-template-columns: repeat(auto-fit, minmax(258px, 1fr)); gap: 16px; }
.cert {
  display: flex; gap: 15px; padding: 20px; border: 1px solid var(--border);
  border-radius: 13px; background: var(--surface);
  box-shadow: var(--shadow-rest);
  transition: border-color .25s, transform .25s var(--ease);
}
.cert:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); transform: translateY(-3px); }
.cert__seal {
  flex: 0 0 auto; width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--accent-2);
}
.cert__seal svg { width: 19px; height: 19px; }
.cert strong { display: block; font-size: .96rem; font-weight: 600; }
.cert span { font-size: .84rem; color: var(--muted); }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact__list { display: flex; flex-direction: column; gap: 12px; margin-top: 30px; }
.contact__row {
  display: flex; align-items: center; gap: 15px; padding: 17px 20px;
  border: 1px solid var(--border); border-radius: 13px; background: var(--surface);
  box-shadow: var(--shadow-rest);
  transition: border-color .25s, transform .25s var(--ease);
}
.contact__row:hover { border-color: var(--accent); transform: translateX(4px); }
.contact__row svg { width: 19px; height: 19px; color: var(--accent-2); flex: 0 0 auto; }
.contact__row small { display: block; font-size: .78rem; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.contact__row b { font-weight: 500; font-size: .98rem; word-break: break-word; }

.form {
  display: flex; flex-direction: column; gap: 15px; padding: 32px;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
  box-shadow: var(--shadow-rest);
}
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: .84rem; font-weight: 600; color: var(--muted); }
.field input, .field textarea, .field select {
  padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font: inherit; font-size: .95rem;
  transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 118px; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.form__note { font-size: .8rem; color: var(--muted); }
.form__note a, .footer__link, .legal a { text-decoration: underline; text-underline-offset: 3px; }
.form__note a:hover, .footer__link:hover, .legal a:hover { color: var(--accent-2); }

/* ---------- Pagina privacy ---------- */
.legal { padding-top: 152px; }
.legal__inner { max-width: 780px; }
.legal h2 { font-size: 1.2rem; margin: 40px 0 12px; }
.legal p { color: var(--muted); line-height: 1.7; }
.legal p + p { margin-top: 12px; }
.legal__updated { margin-top: 48px; font-size: .85rem; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 34px 0; background: var(--bg-alt); }
.footer__inner {
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between;
  font-size: .87rem; color: var(--muted);
}
.footer__social { display: flex; gap: 10px; }
.footer__social a {
  width: 36px; height: 36px; display: grid; place-items: center;
  border: 1px solid var(--border); border-radius: 9px; transition: color .2s, border-color .2s;
}
.footer__social a:hover { color: var(--accent-2); border-color: var(--accent); }
.footer__social svg { width: 17px; height: 17px; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .orgs { grid-template-columns: 1fr; gap: 12px; margin-bottom: 48px; }
  .caps { grid-template-columns: 1fr; }
  .cap { padding: 24px; }
  .grid-3 { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 760px) {
  .section { padding: 76px 0; }
  .hero { padding: 132px 0 76px; }
  .legal { padding-top: 120px; }
  .burger { display: grid; }
  .nav {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; gap: 2px; padding: 16px 24px 26px;
    background: var(--bg); border-bottom: 1px solid var(--border);
    transform: translateY(-14px); opacity: 0; pointer-events: none;
    transition: opacity .25s, transform .25s var(--ease);
  }
  .nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav a { padding: 12px 14px; font-size: 1rem; }
  .hero__stats { gap: 26px; }
  .btn { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Print (CV) ---------- */
@media print {
  .header, .hero__cta, .form, .footer__social, .icon-btn, .hero__glow, .hero__grid { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding: 18px 0; break-inside: avoid; }
  .card, .cert, .skillbox { border-color: #ccc; box-shadow: none; }
  .reveal { opacity: 1; transform: none; }
}