/* ═══════════════════════════════════════
   VARIABILI & RESET
═══════════════════════════════════════ */
:root {
  --bg:         #080c10;
  --surface:    #0d1117;
  --card:       #111820;
  --border:     #1e2d3d;
  --accent:     #00e5ff;
  --accent2:    #7b2fff;
  --text:       #c9d1d9;
  --text-muted: #6e7f8d;
  --mono:       'Space Mono', monospace;
  --sans:       'Syne', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  overflow-x: hidden;
}

/* ═══════════════════════════════════════
   GRIGLIA DI SFONDO (solo sezioni dark)
═══════════════════════════════════════ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}
section, nav, footer { position: relative; z-index: 1; }

.navbar {
  background: rgba(8,12,16,.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: .6rem 0;
}
.navbar.scrolled {
  background: rgba(8,12,16,.97);
  border-bottom-color: var(--border);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}
.navbar-brand {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1rem;
  color: #a0a0a0 !important;
  letter-spacing: .04em;
  text-transform: lowercase;
  text-decoration: none;
}
.navbar-brand span { color: #fff; }
.navbar.scrolled .navbar-brand { color: #a0a0a0 !important; }
.navbar.scrolled .navbar-brand span { color: #fff; }

.navbar-nav { list-style: none; margin: 0; padding: 0; gap: 1.8rem; }
.nav-link {
  color: #6e7f8d !important;
  font-size: .82rem;
  font-weight: 500;
  padding: .25rem 0 !important;
  position: relative;
  transition: color .2s;
  text-decoration: none;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .25s;
}
.nav-link:hover { color: #fff !important; }
.nav-link:hover::after { width: 100%; }
.navbar.scrolled .nav-link { color: #6e7f8d !important; }
.navbar.scrolled .nav-link:hover { color: #fff !important; }
.navbar.scrolled .nav-link::after { background: var(--accent); }
/* ═══════════════════════════════════════
   HERO — sfondo bianco
═══════════════════════════════════════ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
  background: #fcfcfa;   /* ← grigio caldo leggerissimo, non più bianco puro */
}

.hero-bg-img {
  position: absolute;
  right: 3%;
  top: 65%;
  transform: translateY(-50%);
  width: clamp(460px, 50vw, 720px);  /* un po' più grande */
  height: auto;
  object-fit: contain;
  pointer-events: none;
  z-index: 1;            /* ← sopra l'overlay, ora i colori sono originali */
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(255,255,255,1)   0%,
    rgba(255,255,255,.97) 45%,
    rgba(255,255,255,.4)  68%,
    rgba(255,255,255,0)   100%
  );
  z-index: 0;
}

.hero-content { position: relative; z-index: 1; }

.hero-greeting {
  font-family: var(--mono);
  font-size: .8rem;
  color: #0a0a0a;
  letter-spacing: .25em;
  text-transform: uppercase;
  margin-bottom: .75rem;
}

.hero-name {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: #0a0a0a;
  margin-bottom: .75rem;
}
.hero-name span { color: #0a0a0a; }

.hero-role {
  font-family: var(--mono);
  font-size: clamp(.9rem, 2vw, 1.1rem);
  color: #555;
  margin-bottom: 1rem;
  min-height: 1.6em;
}
.hero-role .typed-cursor { color: var(--accent2); animation: blink 1s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-desc {
  font-size: 1rem;
  color: #555;
  margin-bottom: 2rem;
  max-width: 480px;
  line-height: 1.7;
}
.hero-desc strong { color: #111; }

/* ===== BOTTONI NERI ===== */
#hero a.btn-accent,
#hero a.btn-ghost-hero {
  display: inline-block;
  padding: .7rem 1.6rem;
  background-color: #0a0a0a !important;
  color: #ffffff !important;
  font-weight: 600;
  font-size: .9rem;
  border: 2px solid #0a0a0a !important;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color .2s, color .2s, border-color .2s;
}

#hero a.btn-accent:hover,
#hero a.btn-ghost-hero:hover {
  background-color: #333333 !important;
  border-color: #333333 !important;
  color: #ffffff !important;
}
/* ======================== */

.hero-socials { display: flex; gap: 1.2rem; }
.hero-socials a {
  color: #999;
  font-size: 1.3rem;
  transition: color .2s, transform .2s;
  text-decoration: none;
}
.hero-socials a:hover { color: var(--accent2); transform: translateY(-2px); }

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
  font-family: var(--mono);
  font-size: .6rem;
  color: #bbb;
  letter-spacing: .15em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
  z-index: 1;
}
@keyframes bounce {
  0%,100%{ transform: translateX(-50%) translateY(0); }
  50%    { transform: translateX(-50%) translateY(6px); }
}
/* ═══════════════════════════════════════
   BOTTONI
═══════════════════════════════════════ */
.btn-accent {
  display: inline-block;
  background: var(--accent2);
  border: 1px solid var(--accent2);
  color: #fff;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .1em;
  padding: .7rem 1.6rem;
  border-radius: 3px;
  text-decoration: none;
  transition: background .2s, box-shadow .2s;
  cursor: pointer;
}
.btn-accent:hover {
  background: #6320d4;
  box-shadow: 0 0 24px rgba(123,47,255,.4);
  color: #fff;
}
.btn-accent.w-100 { display: block; width: 100%; text-align: center; padding: .8rem 1.6rem; }

/* Bottone ghost nella hero (su sfondo bianco) */
.btn-ghost-hero {
  display: inline-block;
  background: transparent;
  border: 1px solid #ccc;
  color: #555;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .1em;
  padding: .7rem 1.6rem;
  border-radius: 3px;
  text-decoration: none;
  transition: border-color .2s, color .2s;
}
.btn-ghost-hero:hover { border-color: #555; color: #111; }

/* Bottone ghost nelle sezioni dark */
.btn-ghost {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .1em;
  padding: .7rem 1.6rem;
  border-radius: 3px;
  text-decoration: none;
  transition: border-color .2s, color .2s;
}
.btn-ghost:hover { border-color: var(--text-muted); color: var(--text); }

/* ═══════════════════════════════════════
   TITOLI SEZIONE (comuni)
═══════════════════════════════════════ */
.sec-label {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--accent);
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: .5rem;
}
.sec-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 3rem;
}
.sec-title span { color: var(--accent); }
section { padding: 100px 0; }

/* ═══════════════════════════════════════
   ABOUT — 01
═══════════════════════════════════════ */
#about { background: var(--surface); }

.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2.5rem;
}
.about-text { font-size: 1.02rem; line-height: 1.85; color: var(--text); }

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem 1rem;
  text-align: center;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  transition: border-color .25s, transform .25s;
}
.stat-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.stat-num { font-size: 1.9rem; font-weight: 800; line-height: 1; }
.stat-lbl {
  font-family: var(--mono);
  font-size: .65rem;
  color: var(--text-muted);
  letter-spacing: .08em;
  text-transform: uppercase;
  line-height: 1.4;
}

/* ═══════════════════════════════════════
   SKILLS — 02
═══════════════════════════════════════ */
#skills { background: var(--bg); }

.skill-category {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.8rem;
  height: 100%;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.skill-category:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0,229,255,.07);
}
.skill-icon { font-size: 1.6rem; color: var(--accent); margin-bottom: 1rem; }
.skill-category h5 {
  font-size: .78rem;
  font-family: var(--mono);
  letter-spacing: .15em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 1rem;
}
.skill-tag {
  display: inline-block;
  background: rgba(0,229,255,.06);
  border: 1px solid rgba(0,229,255,.15);
  color: var(--accent);
  font-family: var(--mono);
  font-size: .68rem;
  padding: .22rem .6rem;
  border-radius: 2px;
  margin: .2rem .2rem .2rem 0;
}
.skill-tag.purple {
  background: rgba(123,47,255,.1);
  border-color: rgba(123,47,255,.3);
  color: #a78bfa;
}

/* ═══════════════════════════════════════
   SERVIZI — 03
═══════════════════════════════════════ */
#servizi { background: var(--surface); }

.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: .9rem;
  position: relative;
  overflow: hidden;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0;
  transition: opacity .3s;
}
.service-card:hover {
  border-color: rgba(0,229,255,.4);
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0,229,255,.07);
}
.service-card:hover::after { opacity: 1; }

.service-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--clr) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--clr) 25%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--clr);
  transition: transform .2s;
}
.service-card:hover .service-icon-wrap { transform: scale(1.08); }
.service-title { font-size: 1rem; font-weight: 700; color: #fff; margin: 0; line-height: 1.3; }
.service-body { font-size: .88rem; color: var(--text-muted); line-height: 1.7; margin: 0; flex-grow: 1; }
.service-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: .62rem;
  padding: .2rem .6rem;
  border-radius: 2px;
  background: rgba(0,229,255,.08);
  border: 1px solid rgba(0,229,255,.2);
  color: var(--accent);
  letter-spacing: .05em;
  width: fit-content;
}

/* ═══════════════════════════════════════
   EDUCATION — 04
═══════════════════════════════════════ */
#education { background: var(--bg); }

.cert-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: .85rem;
  position: relative;
  overflow: hidden;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.cert-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0;
  transition: opacity .3s;
}
.cert-card:hover {
  border-color: rgba(0,229,255,.4);
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0,229,255,.07);
}
.cert-card:hover::before { opacity: 1; }
.cert-icon { font-size: 2rem; line-height: 1; }
.cert-badge-eqf {
  display: inline-block;
  font-family: var(--mono);
  font-size: .6rem;
  padding: .15rem .55rem;
  border-radius: 2px;
  background: rgba(0,229,255,.08);
  border: 1px solid rgba(0,229,255,.2);
  color: var(--accent);
  letter-spacing: .08em;
  width: fit-content;
}
.cert-title { font-size: 1.05rem; font-weight: 700; color: #fff; margin: 0; line-height: 1.3; }
.cert-school { font-family: var(--mono); font-size: .75rem; color: var(--accent); margin: 0; }
.cert-body { font-size: .88rem; color: var(--text-muted); line-height: 1.65; margin: 0; flex-grow: 1; }
.cert-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: .65rem;
  background: rgba(0,229,255,.08);
  border: 1px solid rgba(0,229,255,.2);
  color: var(--accent);
  padding: .3rem .75rem;
  border-radius: 2px;
  text-decoration: none;
  transition: background .2s, box-shadow .2s;
  width: fit-content;
}
.cert-link:hover { background: rgba(0,229,255,.15); box-shadow: 0 0 12px rgba(0,229,255,.2); }

/* ═══════════════════════════════════════
   CONTACT — 05
═══════════════════════════════════════ */
#contact { background: var(--surface); }

.contact-info-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.contact-info-title { font-size: 1.1rem; font-weight: 700; color: #fff; margin: 0; }
.contact-info-text { font-size: .9rem; color: var(--text-muted); line-height: 1.7; margin: 0; }
.contact-info-list { display: flex; flex-direction: column; gap: .75rem; margin-top: .5rem; }
.contact-info-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color .2s;
}
.contact-info-item i { color: var(--accent); font-size: 1rem; width: 20px; text-align: center; }
a.contact-info-item:hover { color: var(--accent); }

.contact-form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2.5rem;
}
.form-label-custom {
  display: block;
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: .45rem;
}
.form-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: #fff;
  font-family: var(--sans);
  font-size: .9rem;
  padding: .7rem 1rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  resize: vertical;
  appearance: none;
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,229,255,.08); }

/* ═══════════════════════════════════════
   FOOTER
═══════════════════════════════════════ */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 1.8rem 0;
}
.footer-brand { font-family: var(--sans); font-weight: 700; font-size: .95rem; color: #888; }
.footer-brand span { color: #fff; }
.footer-copy { font-family: var(--mono); font-size: .68rem; color: var(--text-muted); margin: 0; }
.footer-social {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-left: 1rem;
  text-decoration: none;
  transition: color .2s;
}
.footer-social:hover { color: var(--accent); }

/* ═══════════════════════════════════════
   ANIMAZIONI
═══════════════════════════════════════ */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(1){ transition-delay:.05s }
.fade-up:nth-child(2){ transition-delay:.15s }
.fade-up:nth-child(3){ transition-delay:.25s }
.fade-up:nth-child(4){ transition-delay:.35s }
.fade-up:nth-child(5){ transition-delay:.45s }
.fade-up:nth-child(6){ transition-delay:.55s }

/* ═══════════════════════════════════════
   SCROLLBAR
═══════════════════════════════════════ */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ═══════════════════════════════════════
   RESPONSIVE MOBILE
═══════════════════════════════════════ */
@media (max-width: 768px) {
  section { padding: 70px 0; }

  .hero-name {
    font-size: 1.45rem;
    letter-spacing: 0;
    word-break: break-word;
  }

  .hero-bg-img {
    width: 220px;
    opacity: 1;
    right: 0;
    top: auto;
    bottom: 60px;
    transform: none;
    z-index: 0;
  }

  .contact-form-card { padding: 1.5rem; }
  .about-card { padding: 1.5rem; }
}