@import url('https://fonts.googleapis.com/css2?family=Barlow+Semi+Condensed:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

/* ============================================
   Design System — Studio di Psicologia
   ============================================ */

:root {
  /* Palette: ametista, testi viola scuro, accenti malva */
  --color-primary: #342333;
  --color-primary-dark: #251a24;
  --color-primary-light: #5e455c;
  --color-secondary: #c5c3c6;
  --color-accent: #b9a3b7;

  --color-surface: #fffafa;
  --color-surface-alt: #f2eef5;
  --color-surface-dark: #342333;

  --color-on-surface: #342333;
  --color-on-surface-muted: #8c7a8a;
  --color-on-dark: #fffafa;

  --color-success: #5E8B6E;
  --color-success-bg: #E8F5E9;
  --color-success-border: #C8E6C9;
  --color-error: #C45B5B;
  --color-error-bg: #FFEBEE;
  --color-error-border: #EF9A9A;
  --color-warning: #D4A017;
  --color-warning-bg: #FFF8E1;
  --color-warning-border: #FFECB3;
  --color-info: #4a5a9e;
  --color-info-bg: #E3F2FD;
  --color-info-border: #BBDEFB;

  /* Tipografia */
  --font-family: 'Barlow Semi Condensed', system-ui, sans-serif;
  --font-serif: 'Barlow Semi Condensed', Georgia, serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --font-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --font-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --font-lg: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --font-xl: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
  --font-2xl: clamp(1.875rem, 1.5rem + 1.8vw, 3rem);
  --font-3xl: clamp(2.25rem, 1.8rem + 2.2vw, 3.75rem);
  --font-4xl: clamp(2.5rem, 2rem + 2.5vw, 4.5rem);
  --font-5xl: clamp(3rem, 2.2rem + 4vw, 5.5rem);

  --leading-tight: 1.25;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Spaziatura */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 760px;
  --radius: 0.75rem;
  --radius-sm: 0.375rem;

  /* Animazioni */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-editorial: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Reset minimo */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-base);
  line-height: var(--leading-normal);
  color: var(--color-on-surface);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6, p, ul, ol, figure { margin: 0; }
ul, ol { padding-left: 1.5em; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* ============================================
   Tipografia
   ============================================ */
.display {
  font-family: var(--font-family);
  font-size: var(--font-3xl);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  font-weight: 700;
  text-wrap: balance;
}
.display em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--color-accent);
}
.display--sm { font-size: var(--font-2xl); }

h1, h2, h3, h4 {
  font-family: var(--font-family);
  font-weight: 700;
  line-height: var(--leading-tight);
  text-wrap: balance;
}
h1 { font-size: var(--font-3xl); }
h2 { font-size: var(--font-xl); }
h3 { font-size: var(--font-lg); }

.lead, .lede {
  font-size: var(--font-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-on-surface);
}

.text-sm { font-size: var(--font-sm); }
.text-xs { font-size: var(--font-xs); }

.mono {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: var(--font-xs);
}

/* ============================================
   Layout
   ============================================ */
.container {
  width: min(100% - var(--space-8), var(--container-max));
  margin-inline: auto;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.mx-auto { margin-inline: auto; }
.w-full { width: 100%; }
.mt-8 { margin-top: var(--space-8); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: 1fr; }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

.split-layout {
  display: grid;
  gap: var(--space-12);
  align-items: start;
}

/* ============================================
   Sezioni
   ============================================ */
.section {
  padding-block: var(--space-16);
  position: relative;
  overflow: hidden;
}
.section--sm { padding-block: var(--space-10); }
.section--lg { padding-block: var(--space-24); }
.section--alt { background: var(--color-surface-alt); }
.section--dark { background: var(--color-surface-dark); color: var(--color-on-dark); }
.section--primary { background: var(--color-primary); color: var(--color-on-dark); }

.section-title {
  font-size: var(--font-xl);
  margin-bottom: var(--space-8);
}

.section-head {
  max-width: var(--container-narrow);
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: var(--font-xs);
  color: var(--color-primary-light);
  margin-bottom: var(--space-4);
}

/* ============================================
   Hero
   ============================================ */
.hero { padding-block: var(--space-24) var(--space-16); position: relative; overflow: hidden; }
.hero-grid {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}
.hero-content { position: relative; z-index: 1; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.hero-visual { position: relative; z-index: 1; }
.hero-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  object-fit: cover;
  display: block;
}

.hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-surface-alt);
  border-radius: var(--radius);
  padding: var(--space-6);
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}
.hc-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-surface-alt);
  font-size: var(--font-sm);
}
.hc-row:last-child { border-bottom: 0; }
.hc-row .k {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: var(--font-xs);
  color: var(--color-on-surface-muted);
}
.hc-row .v { font-weight: 600; }

/* ============================================
   Grafiche geometriche di sfondo
   ============================================ */
.geo-shape {
  position: absolute;
  pointer-events: none;
  opacity: 0.07;
  z-index: 0;
}
.geo-circle {
  border-radius: 50%;
  background: var(--color-primary);
}
.geo-square {
  border-radius: 12px;
  background: var(--color-accent);
}
.geo-triangle {
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  background: var(--color-secondary);
}

/* ============================================
   Bottoni
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--font-sm);
  border: 1.5px solid transparent;
  transition: transform .2s var(--ease-out), box-shadow .2s var(--ease-out), background .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-dark);
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-on-dark);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-ghost {
  background: transparent;
  color: var(--color-on-surface);
  border-color: transparent;
}
.btn-white {
  background: var(--color-on-dark);
  color: var(--color-primary-dark);
}
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--font-base); }
.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--font-xs); }

/* ============================================
   Nav
   ============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,250,250,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.nav.scrolled {
  border-color: var(--color-surface-alt);
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
}
.nav-inner {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-block: var(--space-5);
}
.nav-top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
  min-height: 72px;
}
.nav.scrolled .nav-top {
  border-color: var(--color-surface-alt);
}
.nav-tag {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: var(--font-sm);
  color: var(--color-on-surface-muted);
  flex-shrink: 0;
}
.nav-brand-name {
  font-weight: 700;
  font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2.5rem);
  color: var(--color-primary-dark);
  text-align: center;
  white-space: nowrap;
}
.nav-top-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  justify-self: end;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--font-lg);
  color: var(--color-primary-dark);
}
.brand-mark {
  display: inline-block;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-accent);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: var(--space-2);
}
.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-on-surface);
  transition: transform .2s, opacity .2s;
}
.nav-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding-top: var(--space-5);
}
.nav-list {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-list a {
  font-weight: 500;
  font-size: var(--font-base);
  color: var(--color-on-surface-muted);
  transition: color .2s;
}
.nav-list a:hover { color: var(--color-primary); }
.nav-cta { white-space: nowrap; }

.skip-link {
  position: absolute;
  top: -40px;
  left: var(--space-4);
  background: var(--color-primary);
  color: var(--color-on-dark);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--font-sm);
  z-index: 200;
  transition: top .2s;
}
.skip-link:focus { top: var(--space-4); }

/* ============================================
   Card / Feature Card
   ============================================ */
.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-surface-alt);
  transition: transform .2s var(--ease-out), box-shadow .2s;
}
.card--elevated {
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}
.card--elevated:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}
.card-body { padding: var(--space-6); }
.card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--color-surface-alt);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-surface-alt);
  border-radius: var(--radius);
  padding: var(--space-8);
  transition: transform .2s var(--ease-out), box-shadow .2s;
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.06);
}
.feature-card h3 {
  font-size: var(--font-lg);
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}
.feature-card p {
  font-size: var(--font-sm);
  color: var(--color-on-surface);
}
.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  color: var(--color-primary);
}

/* ============================================
   Team
   ============================================ */
.team-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-surface-alt);
}
.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: var(--font-xl);
  margin-inline: auto;
  margin-bottom: var(--space-4);
}
.team-name { font-size: var(--font-lg); margin-bottom: var(--space-1); }
.team-role {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: var(--font-xs);
  color: var(--color-on-surface);
  margin-bottom: var(--space-3);
}

/* ============================================
   KPI
   ============================================ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}
.kpi {
  text-align: center;
}
.kpi .k {
  display: block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: var(--font-xs);
  color: var(--color-on-surface);
  margin-bottom: var(--space-2);
}
.kpi .n {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--font-3xl);
  line-height: 1;
  color: var(--color-primary);
}
.kpi .d {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  color: var(--color-on-surface);
  margin-top: var(--space-2);
}

/* ============================================
   Spec List
   ============================================ */
.spec-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.spec-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-surface-alt);
}
.spec-item dt {
  font-weight: 600;
  font-size: var(--font-sm);
}
.spec-item dd {
  font-size: var(--font-sm);
  color: var(--color-on-surface);
  margin: 0;
}

/* ============================================
   Testimonial
   ============================================ */
.testimonial {
  background: var(--color-surface);
  border-left: 4px solid var(--color-accent);
  padding: var(--space-8);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.testimonial-quote {
  font-family: var(--font-serif);
  font-size: var(--font-xl);
  line-height: var(--leading-relaxed);
  font-style: italic;
  margin-bottom: var(--space-4);
}
.pull-quote {
  font-family: var(--font-serif);
  font-size: var(--font-lg);
  line-height: var(--leading-relaxed);
  font-style: italic;
  color: var(--color-on-surface);
  margin: 0;
  padding-left: var(--space-6);
  border-left: 3px solid var(--color-accent);
}
.testimonial-author {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: var(--font-xs);
  color: var(--color-on-surface);
}

/* ============================================
   Form
   ============================================ */
.form-group { margin-bottom: var(--space-5); }
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
label {
  display: block;
  font-weight: 500;
  font-size: var(--font-sm);
  margin-bottom: var(--space-2);
}
input, select, textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-surface-alt);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-on-surface);
  font-size: var(--font-sm);
  transition: border-color .2s, box-shadow .2s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(74,90,158,0.15);
}
textarea { resize: vertical; min-height: 120px; }
.form-hp { position: absolute; left: -9999px; }
input[type="checkbox"],
input[type="radio"] {
  width: auto;
  padding: 0;
  accent-color: var(--color-primary);
  vertical-align: middle;
}
.form-message {
  margin-top: var(--space-4);
  font-size: var(--font-sm);
  min-height: 1.5em;
}
.form-message.success { color: var(--color-success); }
.form-message.error { color: var(--color-error); }

/* ============================================
   FAQ
   ============================================ */
.faq-list { margin-top: var(--space-6); }
.faq-item {
  border-bottom: 1px solid var(--color-surface-alt);
  padding-block: var(--space-4);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-icon {
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  transition: transform .2s var(--ease-out);
}
.faq-icon::before { width: 100%; height: 2px; top: 9px; left: 0; }
.faq-icon::after { width: 2px; height: 100%; top: 0; left: 9px; }
.faq-item[open] .faq-icon::after { transform: rotate(90deg); }
.faq-answer {
  padding-top: var(--space-3);
  font-size: var(--font-sm);
  color: var(--color-on-surface);
  line-height: var(--leading-relaxed);
}

/* ============================================
   Contact / Map
   ============================================ */
.contact-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}
.contact-list li {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-4);
  align-items: baseline;
}
.contact-list .label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: var(--font-xs);
  color: var(--color-on-surface-muted);
}
.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-surface-alt);
}
.map-embed iframe { display: block; width: 100%; height: 400px; }

/* ============================================
   Badge / Pill
   ============================================ */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  font-size: var(--font-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.badge--info {
  background: var(--color-info-bg);
  color: var(--color-info);
  border: 1px solid var(--color-info-border);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-surface-dark);
  color: var(--color-on-dark);
  padding-block: var(--space-16) var(--space-8);
  font-size: var(--font-sm);
}
.footer-grid {
  display: grid;
  gap: var(--space-10);
}
.footer-col p { margin-bottom: var(--space-3); }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: var(--space-2); }
.footer-col a { color: rgba(241,235,219,0.8); transition: color .2s; }
.footer-col a:hover { color: var(--color-on-dark); }
.footer-heading {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: var(--font-xs);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.foot-tagline {
  font-family: var(--font-serif);
  font-size: var(--font-2xl);
  color: var(--color-on-dark);
  margin-bottom: var(--space-3);
}
.footer-bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(241,235,219,0.12);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--font-xs);
  color: rgba(241,235,219,0.6);
}

/* Verde salvia chiaro per footer */
.footer { color: #e8ede8; }
.footer-col a { color: rgba(232,237,232,0.85); }
.footer-col a:hover { color: #e8ede8; }

/* ============================================
   Cookie banner
   ============================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface-dark);
  color: var(--color-on-dark);
  padding-block: var(--space-5);
  z-index: 150;
  border-top: 1px solid rgba(241,235,219,0.1);
}
.cookie-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
}
.cookie-inner p { flex: 1 1 300px; font-size: var(--font-sm); margin: 0; }
.cookie-inner a { text-decoration: underline; color: var(--color-accent); }
.cookie-actions { display: flex; gap: var(--space-3); }
.cookie-custom {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(241,235,219,0.1);
}

/* ============================================
   Legal
   ============================================ */
.legal-page { padding-block: var(--space-16); }
.prose { max-width: var(--container-narrow); }
.prose h1 {
  font-size: var(--font-2xl);
  margin-bottom: var(--space-6);
}
.prose h2 {
  font-size: var(--font-lg);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}
.prose p {
  margin-bottom: var(--space-4);
  color: var(--color-on-surface-muted);
}
.prose a { text-decoration: underline; color: var(--color-primary); }

/* ============================================
   Scroll reveal / Animazioni
   ============================================ */
.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s var(--ease-editorial), transform .6s var(--ease-editorial);
}
.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.scroll-reveal:nth-child(2) { transition-delay: .08s; }
.scroll-reveal:nth-child(3) { transition-delay: .16s; }
.scroll-reveal:nth-child(4) { transition-delay: .24s; }
.scroll-reveal:nth-child(5) { transition-delay: .32s; }
.scroll-reveal:nth-child(6) { transition-delay: .40s; }

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

/* ============================================
   Sezione Hero — Light / ExtraLight
   ============================================ */
.hero .display {
  font-weight: 300;
}
.hero .lede {
  font-weight: 200;
}

/* ============================================
   Sezione Servizi — Light & ExtraLight
   ============================================ */
.section--services .display {
  font-weight: 300;
}

.section--services .lead,
.section--services .split-visual p {
  font-size: var(--font-lg);
  line-height: var(--leading-relaxed);
  font-weight: 200;
}

.section--services .split-content .lead {
  font-size: 30px;
  font-style: italic;
}

.section--services .section-divider {
  border: 0;
  height: 1px;
  background: var(--color-accent);
  margin-block: var(--space-6);
  width: 140px;
  margin-inline: 0;
}

.section--services .btn {
  font-size: var(--font-base);
  font-weight: 200;
}

/* ============================================
   Sezione Metodo / Approccio — Light & ExtraLight
   ============================================ */
.section--approach .display {
  font-weight: 300;
}

.section--approach .lead {
  font-weight: 200;
}

.section--approach p {
  font-weight: 200;
}

.section--approach .card-body {
  font-weight: 200;
}

.section--approach .card-body h3 {
  font-weight: 300;
}

.section--approach .card-body strong {
  font-weight: 500;
}

.section--approach .split-visual {
  display: flex;
  align-items: center;
  align-self: center;
}

/* ============================================
   Media queries
   ============================================ */
@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .kpi-grid { grid-template-columns: repeat(4, 1fr); }
  .form-row { grid-template-columns: 1fr 1fr; }
  .hero-grid { grid-template-columns: 1.2fr 1fr; }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .split-layout { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 2fr 1fr 1.2fr 1fr; }
  .nav-toggle { display: none; }
}

@media (max-width: 1023px) {
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-surface-alt);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-6);
    gap: var(--space-4);
    transform: translateY(-10px);
    opacity: 0;
    transition: transform .3s var(--ease-out), opacity .3s;
    pointer-events: none;
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-list { flex-direction: column; gap: var(--space-4); }
  .nav-toggle { display: flex; }
  .nav-cta { margin-left: 0; white-space: nowrap; }
}

/* Focus visibile */
:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* sr-only */
.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;
}