/* ==========================================================================
   Luminia Component Library — wave2a
   Componenti riusabili per pagine wave2 (Metodo, Portale, Casi Studio, Chi siamo)
   NON retrofit sulle landing wave1a — quelle mantengono i loro stili inline
   Richiede: tokens.css
   ========================================================================== */

/* ---------- CONTAINER ---------- */

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

.container-prose {
  max-width: var(--container-prose);
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

/* ---------- SECTIONS ---------- */

.section {
  padding: var(--sp-24) 0;
  position: relative;
}

.section-sm { padding: var(--sp-16) 0; }
.section-lg { padding: var(--sp-32) 0; }

.section-header {
  margin-bottom: var(--sp-16);
  max-width: 720px;
}

/* ---------- BUTTONS ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 15px 32px;
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  text-decoration: none;
  text-align: center;
  border: none;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--grad-cta);   /* blu → viola, signature Luminia */
  color: #fff;
  box-shadow: var(--shadow-cta);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -75%;
  width: 50%;
  height: 200%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.15), transparent);
  transform: skewX(-15deg);
  animation: shine 3.5s ease infinite;
}

@keyframes shine {
  0%, 100% { left: -75%; }
  60%      { left: 125%; }
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-cta-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--muted2);
  border: 1px solid var(--border2);
  padding: 15px 28px;
}

.btn-ghost:hover {
  color: var(--text-strong);
  border-color: var(--border-hi);
}

.btn-outline {
  background: transparent;
  color: var(--acc2);
  border: 1px solid var(--acc-border);
}

.btn-outline:hover {
  background: var(--acc-soft);
  border-color: var(--acc2);
}

.btn-sm { padding: 10px 20px; font-size: var(--fs-xs); }
.btn-lg { padding: 18px 40px; font-size: var(--fs-base); }

/* ---------- CARDS ---------- */

.card {
  background: var(--s2);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  transition: border-color var(--dur-base) var(--ease),
              transform var(--dur-base) var(--ease);
}

.card-hover:hover {
  border-color: var(--border-hi);
  transform: translateY(-4px);
}

.card-accent {
  border-top: 3px solid var(--acc);
}

.card-lg { padding: var(--sp-10); }
.card-sm { padding: var(--sp-5); }

/* ---------- BADGE ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1;
}

.badge-accent {
  background: var(--acc-soft);
  border: 1px solid var(--acc-border);
  color: var(--acc2);
}

.badge-success {
  background: var(--green-soft);
  border: 1px solid rgba(34,197,94,.25);
  color: var(--green);
}

.badge-warn {
  background: rgba(245,158,11,.10);
  border: 1px solid rgba(245,158,11,.28);
  color: var(--amber-warn);
}

.badge-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: badge-pulse 2s ease infinite;
}

@keyframes badge-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .4; transform: scale(1.6); }
}

/* ==========================================================================
   KPI CARD — nuovo componente (per pagina Portale + Homepage hero)
   Ispirato al portale reale Luminia AI Sales Manager
   ========================================================================== */

.kpi-card {
  background: linear-gradient(180deg, var(--s2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-5) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  transition: all var(--dur-base) var(--ease);
  position: relative;
  overflow: hidden;
  min-width: 0;
}

.kpi-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, var(--acc-soft), transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease);
  pointer-events: none;
}

.kpi-card:hover {
  border-color: var(--acc-border);
}
.kpi-card:hover::before { opacity: 1; }

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}

.kpi-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--r-md);
  background: var(--acc-soft);
  border: 1px solid var(--acc-border);
  color: var(--acc2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kpi-icon svg { width: 16px; height: 16px; }

.kpi-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;                 /* 11.2px — micro-label alla infrastrutture.ai */
  font-weight: var(--fw-semibold);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  line-height: 1.2;
}

.kpi-value {
  /* Le KPI card sono nested in portal-main (padding sp-8) accanto a sidebar 220px,
     quindi la larghezza netta per card puo' scendere sotto 140px (grid 4-col).
     Dimensiono il font perche' "€ 11.400" stia su una riga anche in card strette:
     max ~28px (a viewport wide) permette "€ 11.400" ~150px, min 22px per garanzia.
     NIENTE overflow-wrap: anywhere (spezza dentro "11.400" mostrando "0" orfano).
     NIENTE white-space: nowrap (espande min-content del grid item). */
  font-size: clamp(1.375rem, 1.8vw, 1.75rem);
  font-weight: var(--fw-extra);
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text-strong);
  font-variant-numeric: tabular-nums;
  margin-top: 6px;
  word-break: normal;
}

.kpi-value.value-accent {
  background: var(--grad-text);   /* blu → cyan, signature Luminia */
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Variante DISPLAY — per KPI standalone / hero, numero enorme */
.kpi-value--lg      { font-size: var(--num-lg);  }  /* 56-72px */
.kpi-value--display { font-size: var(--num-xl);  }  /* 72-104px */
.kpi-value--hero    { font-size: var(--num-2xl); }  /* 88-136px */

.kpi-delta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  font-family: var(--font-mono);
}

.kpi-delta.up   { color: var(--green); }
.kpi-delta.down { color: var(--red); }
.kpi-delta.flat { color: var(--muted); }

.kpi-footer {
  font-size: var(--fs-xs);
  color: var(--muted);
  margin-top: 2px;
}

.kpi-sparkline {
  height: 32px;
  margin-top: var(--sp-2);
}

.kpi-sparkline svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.kpi-sparkline path {
  fill: none;
  stroke: var(--acc2);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.kpi-sparkline .fill {
  fill: url(#kpi-fill-gradient);
  stroke: none;
  opacity: .25;
}

/* KPI grid layouts */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--sp-4);
}

.kpi-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}

@media (max-width: 960px) { .kpi-grid-4 { grid-template-columns: repeat(2, 1fr); } }
/* Cutoff 2-col -> 1-col abbassato da 480 a 400 (wave2g): tra 400-480 le 2 card
   sono piu' larghe e "EUR 11.400" non wrappa */
@media (max-width: 400px) { .kpi-grid-4 { grid-template-columns: 1fr; } }

/* ==========================================================================
   STAT BLOCK — statistica hero minimale (ispirazione infrastrutture.ai)
   Numero enorme + label mono uppercase. Zero icone, zero delta.
   Uso: hero homepage / pagina metodo / trust bar
   ========================================================================== */

.stat-block {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-6) 0;
}

.stat-block .stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-semibold);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  line-height: 1.2;
  order: 2;  /* label sotto il numero, alla infrastrutture.ai */
}

.stat-block .stat-value {
  font-size: var(--num-xl);          /* 72-104px */
  font-weight: var(--fw-black);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--text-strong);
  font-variant-numeric: tabular-nums;
  order: 1;
}

.stat-block .stat-value.value-accent {
  background: var(--grad-text);   /* blu → cyan */
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-block .stat-value.value-accent-alt {
  background: var(--grad-text-alt);   /* viola → viola chiaro */
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-block .stat-caption {
  font-size: var(--fs-sm);
  color: var(--muted2);
  line-height: var(--lh-normal);
  max-width: 32ch;
  order: 3;
  margin-top: var(--sp-1);
}

/* Griglia stat-block per trust bar */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sp-8);
  align-items: end;
}

.stat-row .stat-block {
  border-top: 1px solid var(--border);
  padding-top: var(--sp-5);
}

/* Variante huge — single statement number, tipo hero "147" massive */
.stat-block--hero .stat-value { font-size: var(--num-2xl); }  /* 88-136px */
.stat-block--hero .stat-label { font-size: var(--fs-xs); letter-spacing: 3px; }

/* ==========================================================================
   COMPARISON TABLE — nuovo componente (per pagina Metodo / Perché Luminia)
   Layout 3 colonne: Agenzia tradizionale | Software AI | Luminia
   ========================================================================== */

.compare {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--s2);
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--border);
}

.compare thead th {
  padding: var(--sp-6) var(--sp-5);
  text-align: left;
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--text-strong);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.compare thead th.col-luminia {
  color: var(--acc2);
  background: var(--acc-soft);
  border-bottom-color: var(--acc-border);
}

.compare tbody td {
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--border);
  font-size: var(--fs-sm);
  color: var(--muted2);
  vertical-align: middle;
}

.compare tbody tr:last-child td { border-bottom: none; }

.compare tbody td:first-child {
  color: var(--text);
  font-weight: var(--fw-semibold);
  width: 40%;
}

.compare td.col-luminia {
  background: var(--acc-soft);
}

.compare .yes,
.compare .no,
.compare .partial {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.compare .yes     { color: var(--green); }
.compare .no      { color: var(--muted); }
.compare .partial { color: var(--amber-warn); }

.compare .yes::before     { content: '✓'; font-size: 1.1em; }
.compare .no::before      { content: '✕'; font-size: 1.1em; }
.compare .partial::before { content: '~'; font-size: 1.1em; }

@media (max-width: 768px) {
  .compare thead { display: none; }
  .compare, .compare tbody, .compare tr, .compare td { display: block; width: 100%; }
  .compare tbody td { padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--border); }
  .compare tbody td:first-child {
    background: var(--surface);
    text-transform: uppercase;
    font-size: var(--fs-xs);
    letter-spacing: 1px;
    color: var(--muted);
    padding-top: var(--sp-4);
  }
  .compare td[data-col]::before {
    content: attr(data-col);
    display: block;
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 4px;
  }
}

/* ==========================================================================
   MOCK PORTAL — layout riusabile per demo /portale
   Sidebar + main con KPI card
   ========================================================================== */

.portal-mock {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 520px;
  position: relative;
}

.portal-mock::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, var(--acc-soft), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(6,182,212,.06), transparent 45%);
  pointer-events: none;
  z-index: 0;
}

.portal-sidebar {
  background: var(--panel-overlay);
  backdrop-filter: blur(12px);
  border-right: 1px solid var(--border);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  position: relative;
  z-index: 1;
}

.portal-brand {
  font-family: var(--font-sans);
  font-weight: var(--fw-extra);
  font-size: var(--fs-sm);
  letter-spacing: 1px;
  color: var(--text-strong);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--border);
}

.portal-brand small {
  display: block;
  color: var(--acc2);
  font-size: 0.65rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 2px;
  margin-top: 2px;
}

.portal-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.portal-nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 10px 12px;
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  color: var(--muted2);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
  user-select: none;
}

.portal-nav-item:hover { background: var(--surface-hi); color: var(--text); }
.portal-nav-item.active {
  background: var(--acc-soft);
  color: var(--acc2);
  font-weight: var(--fw-semibold);
}

.portal-nav-item svg { width: 16px; height: 16px; flex-shrink: 0; }

.portal-nav-section {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin: var(--sp-3) 0 var(--sp-2) 12px;
}

.portal-main {
  padding: var(--sp-6) var(--sp-8);
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.portal-main-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4);
}

.portal-main-title {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-extra);
  color: var(--text-strong);
  letter-spacing: -0.02em;
}

.portal-main-sub {
  font-size: var(--fs-sm);
  color: var(--muted2);
  margin-top: 2px;
}

@media (max-width: 768px) {
  .portal-mock { grid-template-columns: 1fr; min-height: 0; }
  .portal-sidebar { flex-direction: row; overflow-x: auto; padding: var(--sp-3); }
  .portal-sidebar .portal-brand,
  .portal-sidebar .portal-nav-section { display: none; }
  .portal-nav { flex-direction: row; }
  .portal-nav-item { white-space: nowrap; padding: 12px 16px; }
  .portal-main { padding: var(--sp-5); }
}

/* Portal-mock — tab panels (mostra solo il pannello attivo) */
.portal-panel { display: none; animation: fadePanel .35s var(--ease); }
.portal-panel.active { display: block; }

@keyframes fadePanel {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}

/* Portal-mock — period selector top-right */
.portal-period {
  display: inline-flex;
  gap: 2px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 3px;
}
.portal-period button {
  padding: 5px 12px;
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--muted);
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  transition: all var(--dur-fast) var(--ease-out);
}
.portal-period button:hover { color: var(--text); }
.portal-period button.active {
  background: var(--acc-soft);
  color: var(--acc2);
}

/* Portal-mock — data table generica (usata in Pipeline, Team) */
.portal-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--fs-sm);
}
.portal-table thead th {
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-bold);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-bottom: 1px solid var(--border);
}
.portal-table tbody td {
  padding: var(--sp-4);
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}
.portal-table tbody tr:last-child td { border-bottom: none; }
.portal-table tbody tr:hover td { background: var(--surface-hi); }

.portal-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 1px;
  line-height: 1;
}
.portal-tag.stage-new     { background: var(--acc-soft); color: var(--acc2); border: 1px solid var(--acc-border); }
.portal-tag.stage-contact { background: rgba(6,182,212,.10); color: var(--info); border: 1px solid rgba(6,182,212,.25); }
.portal-tag.stage-won     { background: var(--green-soft); color: var(--green); border: 1px solid rgba(34,197,94,.25); }
.portal-tag.stage-lost    { background: rgba(148,163,184,.10); color: var(--muted2); border: 1px solid rgba(148,163,184,.20); }
.portal-tag.status-on     { background: var(--green-soft); color: var(--green); border: 1px solid rgba(34,197,94,.25); }
.portal-tag.status-off    { background: rgba(148,163,184,.10); color: var(--muted); border: 1px solid rgba(148,163,184,.20); }

/* Portal empty state e note */
.portal-empty {
  padding: var(--sp-16) var(--sp-6);
  text-align: center;
  color: var(--muted);
  font-size: var(--fs-sm);
}

/* Portal demo — verticale picker (dentisti / avvocati / commercialisti) */
.demo-vert-picker {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-bottom: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
  background: var(--s2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.demo-vert-picker .label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-semibold);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.demo-vert-picker .options {
  display: inline-flex;
  gap: 2px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 3px;
}
.demo-vert-picker button {
  padding: 10px 16px;
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--muted2);
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  transition: all var(--dur-fast) var(--ease-out);
}
.demo-vert-picker button:hover { color: var(--text); }
.demo-vert-picker button:focus-visible {
  outline: 2px solid var(--acc2);
  outline-offset: 2px;
}
.demo-vert-picker button.active {
  background: var(--grad-cta);
  color: #fff;
}

/* ==========================================================================
   METHOD STEP — nuovo componente per pagina /metodo
   Numero grande + titolo + descrizione + "cosa vedi nel portale"
   ========================================================================== */

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--sp-6);
  padding: var(--sp-8) 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child { border-bottom: none; }

.step-num {
  font-family: var(--font-mono);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-extra);
  color: var(--acc2);
  line-height: 1;
  letter-spacing: var(--ls-tight);
}

.step-body h3 {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--text-strong);
  margin-bottom: var(--sp-2);
}

.step-body p {
  color: var(--muted2);
  line-height: var(--lh-relaxed);
  max-width: 62ch;
}

.step-see {
  margin-top: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
  background: var(--acc-soft);
  border-left: 2px solid var(--acc2);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-size: var(--fs-sm);
  color: var(--acc3);
}

.step-see strong {
  color: var(--acc2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-right: var(--sp-2);
}

@media (max-width: 640px) {
  .step { grid-template-columns: 1fr; gap: var(--sp-3); }
  .step-num { font-size: var(--fs-2xl); }
}

/* ==========================================================================
   PLACEHOLDER STAMPS — visibili in dev / preview per contenuti mancanti
   ========================================================================== */

.placeholder {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(245,158,11,.14);
  border: 1px dashed var(--amber-warn);
  border-radius: 4px;
  color: var(--amber-warn);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.placeholder-block {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  background: repeating-linear-gradient(
    45deg,
    rgba(245,158,11,.05),
    rgba(245,158,11,.05) 10px,
    rgba(245,158,11,.02) 10px,
    rgba(245,158,11,.02) 20px
  );
  border: 2px dashed var(--amber-warn);
  border-radius: var(--r-lg);
  color: var(--amber-warn);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  padding: var(--sp-6);
  text-align: center;
}

/* ==========================================================================
   NAV — condivisa tra pagine wave2 (/metodo, /chi-siamo, /portale, /casi-studio)
   Non retrofit sulle landing wave1a (hanno il loro nav inline)
   ========================================================================== */

.w2-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-h);
  padding: 0 var(--sp-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  background: var(--nav-bg);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  transition: background var(--dur-base) var(--ease);
}

.w2-logo {
  font-weight: var(--fw-extra);
  font-size: 1.25rem;
  letter-spacing: -0.5px;
  color: var(--text-strong);
  text-decoration: none;
  white-space: nowrap;
}

.w2-logo span {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.w2-nav-links {
  display: flex;
  gap: var(--sp-8);
  align-items: center;
  margin-left: auto;
}

.w2-nav-links a {
  color: var(--muted2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
  position: relative;
}

.w2-nav-links a:hover {
  color: var(--text-strong);
}

.w2-nav-links a:focus-visible,
.w2-nav-cta:focus-visible {
  outline: 2px solid var(--acc2);
  outline-offset: 3px;
  border-radius: 4px;
}

.w2-nav-links a[aria-current="page"] {
  color: var(--acc2);
}

.w2-nav-cta {
  background: var(--grad-cta);
  color: #fff;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  text-decoration: none;
  transition: transform var(--dur-fast) var(--ease-out), filter var(--dur-fast);
  white-space: nowrap;
}

.w2-nav-cta:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

/* Burger mobile — CSS-only via <input type="checkbox" id="w2-nav-toggle">.
   DOM order richiesto nel <nav class="w2-nav">:
     <a class="w2-logo"> · <input class="w2-nav-toggle" hidden>
     · <div class="w2-nav-links"> · <a class="w2-nav-cta"> · <label class="w2-nav-burger">
   Cosi' l'input e' fratello sia dei links (drawer) sia della burger (swap icona). */
.w2-nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.w2-nav-drawer-cta { display: none; }
.w2-nav-burger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--text-strong);
}
.w2-nav-burger:focus-visible {
  outline: 2px solid var(--acc2);
  outline-offset: 2px;
}
.w2-nav-burger svg { width: 24px; height: 24px; }
.w2-nav-burger .icon-close { display: none; }

@media (max-width: 768px) {
  .w2-nav { padding: 0 var(--sp-4); gap: var(--sp-3); }
  .w2-nav-burger { display: inline-flex; margin-left: auto; }
  /* nav-cta esterna nascosta su mobile: appare nel drawer come "Prova la diagnosi" in fondo,
     ed e' comunque ripetuta come CTA in fondo a ogni pagina */
  .w2-nav > .w2-nav-cta { display: none; }
  .w2-nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    /* Sfondo solido per garantire opacita' anche senza backdrop-filter
       (Chrome headless, Firefox datati, some Safari settings) */
    background: var(--surface);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px -20px rgba(0,0,0,.6);
    flex-direction: column;
    gap: 0;
    padding: var(--sp-4) var(--sp-5) var(--sp-6);
    margin-left: 0;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
    z-index: calc(var(--z-nav) - 1);
  }
  .w2-nav-links a {
    padding: 14px 4px;
    font-size: var(--fs-md);
    border-bottom: 1px solid var(--border);
    width: 100%;
  }
  .w2-nav-links a:last-of-type { border-bottom: none; }
  /* CTA inline nel drawer, aggiunta via markup con classe .w2-nav-drawer-cta */
  .w2-nav-drawer-cta {
    display: block;
    margin-top: var(--sp-4);
    text-align: center;
    background: var(--grad-cta);
    color: #fff;
    padding: 14px 20px;
    border-radius: var(--r-pill);
    font-weight: var(--fw-bold);
    text-decoration: none;
  }
  .w2-nav-toggle:checked ~ .w2-nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .w2-nav-toggle:checked ~ .w2-nav-burger .icon-open { display: none; }
  .w2-nav-toggle:checked ~ .w2-nav-burger .icon-close { display: block; }
}

/* ==========================================================================
   HERO — pattern condiviso per pagine wave2 informative
   Sober rispetto alle landing wave1a (no animazioni orbs / grid)
   ========================================================================== */

.w2-hero {
  padding: calc(var(--nav-h) + var(--sp-16)) 0 var(--sp-20);
  position: relative;
  overflow: hidden;
}

.w2-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 30% 10%, var(--acc-soft), transparent 70%),
    radial-gradient(ellipse 50% 30% at 80% 20%, rgba(124,58,237,.06), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.w2-hero > * { position: relative; z-index: 1; }

.w2-hero-title {
  font-size: var(--fs-5xl);
  font-weight: var(--fw-black);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-strong);
  max-width: 20ch;
  margin: var(--sp-3) 0 var(--sp-6);
}

.w2-hero-title em {
  font-style: normal;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.w2-hero-lead {
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
  color: var(--muted2);
  max-width: 62ch;
  margin-bottom: var(--sp-8);
}

.w2-hero-actions {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

/* ==========================================================================
   FOOTER — condiviso
   ========================================================================== */

.w2-footer {
  padding: var(--sp-16) 0 var(--sp-8);
  border-top: 1px solid var(--border);
  margin-top: var(--sp-24);
}

.w2-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-10);
  margin-bottom: var(--sp-10);
}

.w2-footer-brand {
  color: var(--text);
}

.w2-footer-brand .w2-logo {
  font-size: 1.4rem;
  display: inline-block;
  margin-bottom: var(--sp-3);
}

.w2-footer-brand p {
  color: var(--muted2);
  font-size: var(--fs-sm);
  max-width: 42ch;
  line-height: var(--lh-normal);
}

.w2-footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: var(--fw-bold);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--sp-4);
}

.w2-footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.w2-footer-col a {
  color: var(--muted2);
  font-size: var(--fs-sm);
  text-decoration: none;
  transition: color var(--dur-fast);
}

.w2-footer-col a:hover { color: var(--text-strong); }

.w2-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
}

@media (max-width: 768px) {
  .w2-footer-grid { grid-template-columns: 1fr; gap: var(--sp-6); }
  .w2-footer-bottom { flex-direction: column; gap: var(--sp-3); text-align: center; }
}

/* Layout helper: split 2-col desktop, stack singola colonna sotto 768px */
.w2-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: start;
}
@media (max-width: 768px) {
  .w2-split { grid-template-columns: 1fr; gap: var(--sp-8); }
}

/* ==========================================================================
   UTILITY
   ========================================================================== */

.stack-2 > * + * { margin-top: var(--sp-2); }
.stack-3 > * + * { margin-top: var(--sp-3); }
.stack-4 > * + * { margin-top: var(--sp-4); }
.stack-6 > * + * { margin-top: var(--sp-6); }
.stack-8 > * + * { margin-top: var(--sp-8); }

.text-center { text-align: center; }
.text-muted  { color: var(--muted); }
.text-muted2 { color: var(--muted2); }
.text-accent { color: var(--acc2); }
.text-strong { color: var(--text-strong); }

.divider {
  height: 1px;
  background: var(--border);
  border: none;
  margin: var(--sp-8) 0;
}

/* ==========================================================================
   MOBILE REFINEMENT (wave2g 2026-08-23)
   Comprime spaziature verticali e centering su <=640px per ritmo compatto.
   Usa esclusivamente token --sp-* gia' in tokens.css, no valori magici.
   ========================================================================== */

@media (max-width: 640px) {
  /* Sezioni piu' compatte: da sp-24 (96px) a sp-12 (48px) */
  .section    { padding: var(--sp-12) 0; }
  .section-sm { padding: var(--sp-10) 0; }
  .section-lg { padding: var(--sp-16) 0; }
  .section-header { margin-bottom: var(--sp-8); }

  /* Hero wave2: recupera ~72px verticali */
  .w2-hero { padding: calc(var(--nav-h) + var(--sp-8)) 0 var(--sp-10); }

  /* Footer wave2: stacco dalla CTA-sec piu' ravvicinato */
  .w2-footer { margin-top: var(--sp-16); padding: var(--sp-12) 0 var(--sp-6); }

  /* Grid gap compatti */
  .kpi-grid,
  .kpi-grid-4 { gap: var(--sp-3); }
  .stat-row   { gap: var(--sp-6); }
}