:root {
  --primary: #0F253D;
  --primary-soft: #1a3a5c;
  --secondary: #091826;
  --accent: #3BA1C2;
  --accent-soft: rgba(59, 161, 194, 0.12);
  --surface: #ffffff;
  --surface-alt: #f4f7fb;
  --surface-dark: #0b1e2e;
  --text-main: #1b2632;
  --text-muted: #5e6c7a;
  --text-light: #dde7f1;
  --border: rgba(15, 37, 61, 0.1);
  --shadow: 0 18px 45px rgba(15, 37, 61, 0.13);
  --shadow-soft: 0 10px 24px rgba(15, 37, 61, 0.08);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --container: 1180px;
  --nav-height: 78px;
  --section-padding: 5rem;
  --transition: 0.3s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  color: var(--text-main);
  background: var(--surface);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Focus visibile conforme WCAG AA per navigazione da tastiera */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

button,
input,
textarea,
select {
  font: inherit;
}

.skip-link {
  position: absolute;
  top: -50px;
  left: 16px;
  z-index: 3000;
  padding: 0.75rem 1rem;
  color: #fff;
  background: var(--primary);
  border-radius: 10px;
}

.skip-link:focus {
  top: 16px;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.narrow {
  max-width: 820px;
}

.section {
  padding: 4rem 0;
}

.section-light {
  background: var(--surface);
}

.section-dark {
  background: var(--surface-dark);
  color: var(--text-light);
}

.alt-surface {
  background: var(--surface-alt);
}

.section-heading {
  margin-bottom: 2.5rem;
}

.center-heading {
  text-align: center;
}

.section-kicker,
.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  /* #2a7fa0 su sfondo bianco = contrasto ~4.6:1, conforme WCAG AA */
  color: #2a7fa0;
}

/* Nei contesti scuri il kicker torna al Cyan pieno */
.section-dark .section-kicker,
.section-dark .eyebrow {
  color: var(--accent);
}

.section-heading h2,
.section-subheading h3 {
  margin: 0;
  line-height: 1.15;
  font-size: clamp(2rem, 4vw, 3.15rem);
}

.section-subheading {
  margin-top: 3rem;
  margin-bottom: 1.5rem;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  /* Gradiente sempre presente: garantisce leggibilità sulla hero senza box pieno */
  background: linear-gradient(to bottom, rgba(9, 24, 38, 0.72) 0%, transparent 100%);
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.93);
  box-shadow: 0 8px 26px rgba(15, 37, 61, 0.09);
  backdrop-filter: blur(14px);
}

.navbar {
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
  transition: color var(--transition);
}

.site-header.scrolled .brand {
  color: var(--primary);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: var(--shadow-soft);
}

.brand-text {
  font-size: 1rem;
}

.nav-toggle {
  position: relative;
  z-index: 1100;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  margin: 0 auto;
  background: var(--secondary);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-menu {
  position: fixed;
  inset: var(--nav-height) 1rem auto 1rem;
  display: grid;
  gap: 0.25rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  transform: translateY(-14px);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
}

.nav-menu.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.nav-link {
  padding: 0.85rem 1rem;
  border-radius: 14px;
  font-weight: 500;
  /* Bianco sulla hero */
  color: rgba(255, 255, 255, 0.82);
  transition: background-color var(--transition), color var(--transition), transform var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

/* Dopo lo scroll: link scuri su sfondo bianco */
.site-header.scrolled .nav-link {
  color: var(--text-muted);
}

.site-header.scrolled .nav-link:hover,
.site-header.scrolled .nav-link.active {
  color: var(--primary);
  background: var(--accent-soft);
}

.hero {
  position: relative;
  min-height: 100svh;
  padding-top: calc(var(--nav-height) + 2rem);
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(59, 161, 194, 0.22), transparent 38%),
    linear-gradient(135deg, rgba(9, 24, 38, 0.97), rgba(15, 37, 61, 0.93));
  color: #fff;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(9, 24, 36, 0.82), rgba(9, 24, 36, 0.38)),
    url("https://images.unsplash.com/photo-1520607162513-77705c0f0d4a?auto=format&fit=crop&w=1600&q=80") center/cover;
  mix-blend-mode: screen;
  opacity: 0.22;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
  align-items: center;
  min-height: calc(100svh - var(--nav-height));
}

.hero-copy,
.hero-media {
  position: relative;
}

.hero-title {
  margin: 0;
  font-size: clamp(1.9rem, 4.2vw, 3.6rem);
  line-height: 1.05;
  white-space: nowrap;
}

.hero-role {
  margin: 1rem 0 0.25rem;
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: #e8f2fb;
}

.hero-tagline {
  margin: 0 0 1rem;
  color: #b8d4ec;
  font-weight: 500;
}

.hero-description {
  max-width: 40rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition), border-color var(--transition);
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #7abaf2);
  box-shadow: 0 12px 28px rgba(108, 166, 217, 0.28);
}

.button-secondary {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.06);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.social-links {
  display: flex;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.social-links a {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transition: transform var(--transition), background-color var(--transition);
}

.social-links a:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.hero-media {
  display: grid;
  place-items: center;
}

.portrait-frame {
  position: relative;
  width: min(72vw, 430px);
  aspect-ratio: 1;
  padding: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.22), rgba(108, 166, 217, 0.45));
  box-shadow: 0 25px 55px rgba(8, 24, 36, 0.35);
}

.portrait {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 6px solid rgba(255, 255, 255, 0.85);
}

.floating-card {
  position: absolute;
  display: grid;
  gap: 0.15rem;
  padding: 0.95rem 1.1rem;
  background: rgba(255, 255, 255, 0.88);
  color: var(--text-main);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
}

.floating-card span {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.floating-card strong {
  font-size: 0.95rem;
}

.floating-card-top {
  top: 1rem;
  left: 0;
}

.floating-card-bottom {
  right: 0;
  bottom: 1.5rem;
}

.scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  display: grid;
  gap: 0.15rem;
  justify-items: center;
}

.scroll-indicator span {
  width: 14px;
  height: 14px;
  border-right: 2px solid rgba(255, 255, 255, 0.75);
  border-bottom: 2px solid rgba(255, 255, 255, 0.75);
  transform: rotate(45deg);
  animation: bounceChevron 1.8s infinite;
}

.scroll-indicator span:nth-child(2) {
  animation-delay: 0.2s;
}

@keyframes bounceChevron {
  0%, 100% {
    opacity: 0.35;
    transform: rotate(45deg) translate(0, 0);
  }
  50% {
    opacity: 1;
    transform: rotate(45deg) translate(6px, 6px);
  }
}

.lead {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 500;
  color: var(--secondary);
}

.summary-copy {
  display: grid;
  gap: 1rem;
  color: var(--text-muted);
}

.stats-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
}

.stat-card,
.skill-card,
.project-card,
.cert-card,
.contact-card,
.timeline-card,
.cta-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.stat-card {
  padding: 1.8rem;
  text-align: center;
}

.stat-value,
.stat-suffix {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  margin: 0.4rem 0 0;
  color: var(--text-muted);
}

.quote-section {
  position: relative;
  overflow: hidden;
}

.quote-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(108, 166, 217, 0.15), transparent 35%);
}

.quote-section blockquote {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.25;
}

.quote-attribution {
  position: relative;
  z-index: 1;
  margin-top: 1rem;
  color: rgba(221, 231, 241, 0.8);
}

.timeline {
  position: relative;
  display: grid;
  gap: 1.25rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(22, 50, 79, 0.16);
}

.timeline-item {
  position: relative;
  display: grid;
  gap: 0.85rem;
  padding-left: 2.5rem;
}

.timeline-dot {
  position: absolute;
  left: 4px;
  top: 0.75rem;
  width: 20px;
  height: 20px;
  border: 4px solid var(--surface-alt);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(108, 166, 217, 0.16);
}

.timeline-date {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

.timeline-card {
  padding: 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.timeline-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

.timeline-card h3 {
  margin: 0;
  font-size: 1.35rem;
}

.timeline-company {
  margin: 0.35rem 0 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.tag-list,
.expertise-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag-list li {
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 600;
}

.skills-grid,
.cert-grid,
.project-grid,
.contact-cards {
  display: grid;
  gap: 1rem;
}

/* Etichetta di gruppo per le macro-aree competenze */
.skills-group-label {
  margin: 2.5rem 0 0.85rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  border-left: 3px solid var(--accent);
  padding-left: 0.75rem;
}

/* Skill card singola a larghezza piena (Instructional Design) */
.skills-grid-full {
  grid-template-columns: 1fr;
}

.skill-card {
  padding: 1.6rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.skill-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(108, 166, 217, 0.28);
}

.skill-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 1rem;
  border-radius: 16px;
  color: var(--primary);
  background: var(--accent-soft);
  font-size: 1.25rem;
}

.skill-card h3,
.project-card h3,
.cta-panel h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.skill-card p,
.project-card p,
.cert-card span,
.availability-note {
  margin: 0;
  color: var(--text-muted);
}

.contact-card small {
  display: block;
  margin: 0;
  color: var(--text-muted);
  word-break: break-word;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.2rem;
}

.cert-card i {
  font-size: 1.8rem;
  color: var(--primary);
}

.projects-section .project-card {
  overflow: hidden;
  background: rgba(255, 255, 255, 0.96);
}

.project-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.project-card:hover .project-media img {
  transform: scale(1.04);
}

.project-content {
  padding: 1.3rem 1.35rem 1.5rem;
}

.contact-grid {
  display: grid;
  gap: 0;
  margin-top: 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-top: 2px solid var(--accent);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.contact-panel,
.cta-panel {
  padding: 2rem;
}

.contact-card {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.1rem;
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-decoration: none;
  color: inherit;
}

.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(59, 161, 194, 0.35);
}

/* Badge LinkedIn — sfondo blu LinkedIn */
.contact-card .contact-badge {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: #0A66C2;
  flex-shrink: 0;
}

.contact-badge img {
  width: 30px;
  height: 30px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.contact-badge i {
  color: #fff;
  font-size: 1.5rem;
}

.contact-card-text {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.contact-card strong {
  display: block;
  font-size: 1rem;
  color: var(--text-main);
}

.contact-card small {
  display: block;
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  word-break: break-word;
}

.contact-card .contact-arrow {
  margin-left: auto;
  flex-shrink: 0;
  color: var(--accent);
  font-size: 0.9rem;
  opacity: 0.7;
  transition: transform var(--transition), opacity var(--transition);
}

.contact-card:hover .contact-arrow {
  transform: translateX(3px);
  opacity: 1;
}

.expertise-list {
  display: grid;
  gap: 0.8rem;
}

.expertise-list li {
  position: relative;
  padding-left: 1.5rem;
}

.expertise-list li::before {
  content: "";
  position: absolute;
  top: 0.72rem;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.availability-note {
  margin-top: 1.5rem;
}


/* ── Professional References ───────────────────────────────── */
.references-section {
  background:
    radial-gradient(circle at top right, rgba(59, 161, 194, 0.08), transparent 30%),
    var(--surface-alt);
}

.references-intro {
  max-width: 760px;
  margin: 1rem auto 0;
  color: var(--text-muted);
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(300px, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.reference-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 1.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.reference-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 161, 194, 0.32);
  box-shadow: var(--shadow);
}

.reference-quote {
  margin-bottom: 1rem;
  font-size: 2rem;
  color: var(--accent);
  opacity: 0.85;
}

.reference-card blockquote {
  color: var(--text-main);
  font-size: 0.98rem;
  line-height: 1.75;
}


/* ── Expandable reference text ─────────────────────────────── */
.reference-text {
  position: relative;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  margin-bottom: 1.5rem;
}

.reference-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
  clip-path: inset(50%);
  border: 0;
}

.reference-text blockquote {
  display: -webkit-box;
  flex-grow: 0;
  margin: 0;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
  line-clamp: 6;
  max-height: calc(1.75em * 6);
}

.reference-toggle:checked + blockquote {
  display: block;
  max-height: none;
  overflow: visible;
  -webkit-line-clamp: unset;
  line-clamp: unset;
}

.reference-more {
  align-self: flex-start;
  margin-top: 0.65rem;
  border-bottom: 1px solid transparent;
  color: var(--primary);
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}

.reference-more:hover {
  color: #0a66c2;
  border-color: currentColor;
}

.reference-toggle:focus-visible ~ .reference-more {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 3px;
}

.reference-more-close {
  display: none;
}

.reference-toggle:checked ~ .reference-more .reference-more-open {
  display: none;
}

.reference-toggle:checked ~ .reference-more .reference-more-close {
  display: inline;
}

.reference-author {
  padding-top: 1.1rem;
  border-top: 1px solid var(--border);
}

.reference-author h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--primary);
}

.reference-author p {
  margin: 0.25rem 0 0.7rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.reference-author a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #0a66c2;
  font-size: 0.86rem;
  font-weight: 700;
}

.reference-author a:hover {
  text-decoration: underline;
}

.reference-author a i {
  font-size: 0.72rem;
}

.references-cta {
  display: grid;
  justify-items: center;
  gap: 1rem;
  margin-top: 2.5rem;
  text-align: center;
}

.references-cta p {
  margin: 0;
  color: var(--text-muted);
}

.linkedin-references-button {
  gap: 0.65rem;
  color: #fff;
  background: #0a66c2;
  box-shadow: 0 12px 26px rgba(10, 102, 194, 0.22);
}

.linkedin-references-button:hover {
  background: #004182;
}

/* ── Contact Section dark overrides ────────────────────────── */
.contact-section .section-kicker {
  color: var(--accent);
}

.contact-section h2,
.contact-section h3 {
  color: var(--text-light);
}

.contact-section .cta-panel {
  background: transparent;
  border: none;
  box-shadow: none;
}

/* Panel label — mini kicker coerente col resto della pagina */
.contact-panel-label {
  margin: 0 0 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.contact-panel-desc {
  margin: 0 0 1.4rem;
  font-size: 0.9rem;
  color: rgba(221, 231, 241, 0.6);
  line-height: 1.6;
}

/* Divisore orizzontale interno al panel sinistro */
.contact-divider {
  margin: 1.75rem 0;
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* Note Agency-Proof */
.contact-notes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.contact-notes li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  color: rgba(221, 231, 241, 0.55);
  line-height: 1.5;
}

.contact-notes li::before {
  content: "";
  position: absolute;
  top: 0.6rem;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}

/* Su mobile: divisore orizzontale tra i due panel */
@media (max-width: 991px) {
  .contact-panel {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
}

/* Card LinkedIn su sfondo scuro */
.contact-section .contact-card {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.contact-section .contact-card strong {
  color: var(--text-light);
}

.contact-section .contact-card small {
  color: rgba(221, 231, 241, 0.6);
}

.contact-section .contact-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(59, 161, 194, 0.4);
}

/* ── Contact Form ───────────────────────────────────────────── */
.form-intro {
  margin: 0 0 1.25rem;
  font-size: 0.85rem;
  color: rgba(221, 231, 241, 0.6);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-intro::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
}

.form-hidden {
  display: none;
}

.contact-form {
  display: grid;
  gap: 1.1rem;
}

.form-group {
  display: grid;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(221, 231, 241, 0.9);
}

.form-group label span {
  color: var(--accent);
  margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: var(--radius-sm);
  /* Campo scuro come nella screenshot */
  background: rgba(255, 255, 255, 0.07);
  color: rgba(221, 231, 241, 0.95);
  font-size: 0.93rem;
  line-height: 1.5;
  transition: background-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder,
.form-group select::placeholder {
  color: rgba(221, 231, 241, 0.3);
}

/* Opzioni select: necessitano sfondo solido per leggibilità */
.form-group select option {
  background: var(--surface-dark);
  color: var(--text-main);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23dde7f1' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-color: rgba(255, 255, 255, 0.07);
  padding-right: 2.4rem;
  cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.11);
  box-shadow: 0 0 0 2px var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.button-form {
  width: auto;
  justify-self: center;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: none;
  border-radius: 14px;
  margin-top: 0.25rem;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.55rem 2rem;
  min-height: 40px;
  letter-spacing: 0.02em;
  text-transform: none;
  transition: background-color var(--transition), transform var(--transition);
}

.button-form:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.site-footer {
  padding: 1.5rem 0;
  background: var(--secondary);
  color: rgba(255, 255, 255, 0.82);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  align-items: center;
  text-align: center;
}

.footer-content p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a:hover {
  color: #fff;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal-delay {
  transition-delay: 0.12s;
}

.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 768px) {
  :root {
    --section-padding: 5rem;
  }

  .section {
    padding: 5rem 0;
  }

  .hero-grid,
  .contact-grid,
  .stats-grid,
  .project-grid,
  .contact-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cert-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
.footer-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 992px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    inset: auto;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    max-width: 820px;
  }

  .stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .skills-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cert-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
.contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  /* Divisore verticale tra i due panel */
  .contact-panel {
    border-right: 1px solid rgba(255, 255, 255, 0.08);
  }

  /* Il form parte all'altezza della card LinkedIn:
     label (≈1.4rem) + desc (≈3.5rem) + margin ≈ 5rem */
  .cta-panel {
    padding-top: 2rem;
  }

  .contact-cards {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 180px 1fr;
    align-items: start;
    gap: 1.5rem;
  }

  .timeline-date {
    padding-top: 0.9rem;
  }

  .timeline::before {
    left: 194px;
  }

  .timeline-item {
    padding-left: 0;
  }

  .timeline-dot {
    left: 185px;
    top: 1.1rem;
  }
}

@media (min-width: 1200px) {
  .hero {
    padding-top: calc(var(--nav-height) + 2.5rem);
  }

  .section {
    padding: 6rem 0;
  }
}

/* Su schermi molto stretti il nowrap può produrre overflow — rilascia il wrapping */
@media (max-width: 480px) {
  .hero-title {
    white-space: normal;
    font-size: clamp(1.9rem, 9vw, 2.6rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .scroll-indicator,
  .hero-actions,
  .social-links {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .section,
  .hero {
    padding: 1.25rem 0;
    min-height: auto;
  }

  .hero,
  .section-dark,
  .site-footer {
    background: #fff !important;
    color: #000 !important;
  }

  .hero-backdrop {
    display: none;
  }

  .stat-card,
  .skill-card,
  .project-card,
  .cert-card,
  .contact-card,
  .timeline-card,
  .reference-card,
  .cta-panel {
    box-shadow: none;
    border: 1px solid #d9d9d9;
  }
}


@media (max-width: 991px) {
  .references-section .container {
    overflow: hidden;
  }

  .references-grid {
    width: max-content;
    min-width: 100%;
    grid-template-columns: repeat(3, minmax(300px, 360px));
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    padding: 0.25rem 0.25rem 1rem;
    scrollbar-width: thin;
  }

  .reference-card {
    scroll-snap-align: start;
  }
}