/* ============================================
   Revisione Legale - Interactive Demo Page
   Revilaw S.p.A. Design System
   ============================================ */

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent: #1a3a5c;
    --accent-light: #24506e;
    --accent-dark: #132d47;
    --accent-bg: #f0f4f8;
    --accent-border: #c8d8e8;
    --navy: #1a3a5c;
    --navy-light: #24506e;
    --gradient-hero: linear-gradient(135deg, #0f1e2e 0%, #1a3a5c 100%);
    --radius: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 4px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.1);
    --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:80px; }
body {
    font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
    background:var(--bg-primary);
    color:var(--text-primary);
    line-height:1.7;
    overflow-x:hidden;
}
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
a { text-decoration:none; color:inherit; transition:var(--transition); }
img { max-width:100%; display:block; }

/* ============================================
   GLOBAL JUSTIFIED TEXT
   ============================================ */
.section-desc,
.step-content > p,
.beneficio-card > p,
.risparmio-source-content > p,
.risparmio-example,
.pilastro-info p,
.cta-text > p,
.servizio-popover > p,
.roi-disclaimer,
.servizi-hub-hint {
    text-align:justify;
    text-justify:inter-word;
    hyphens:auto;
    -webkit-hyphens:auto;
    -ms-hyphens:auto;
    word-spacing:-0.01em;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position:fixed; top:0; left:0; right:0; z-index:1000;
    padding:16px 0; transition:var(--transition); background:transparent;
}
.navbar.scrolled {
    background:rgba(255,255,255,0.95); backdrop-filter:blur(20px);
    border-bottom:1px solid var(--border-color); padding:12px 0;
    box-shadow:var(--shadow-sm);
}
.nav-container { display:flex; align-items:center; justify-content:space-between; gap:20px; }
.nav-brand-group { display:flex; align-items:center; gap:14px; }
.logo { display:flex; align-items:center; gap:10px; font-size:1.5rem; font-weight:800; letter-spacing:-0.5px; }

/* Back arrow - minimal, inline with brand */
.nav-back {
    display:inline-flex; align-items:center; justify-content:center;
    width:32px; height:32px; border-radius:50%;
    color:rgba(255,255,255,0.7);
    transition:color 0.2s ease, transform 0.25s ease, background 0.2s ease;
}
.nav-back svg { width:18px; height:18px; }
.nav-back:hover {
    color:#fff; background:rgba(255,255,255,0.08);
    transform:translateX(-3px);
}
.navbar.scrolled .nav-back { color:var(--text-muted); }
.navbar.scrolled .nav-back:hover { color:var(--navy); background:var(--accent-bg); }
.nav-divider {
    width:1px; height:22px; background:rgba(255,255,255,0.18);
    transition:background 0.2s ease;
}
.navbar.scrolled .nav-divider { background:var(--border-color); }
.logo-img { height:36px; width:auto; filter:brightness(0) invert(1); transition:var(--transition); }
.navbar.scrolled .logo-img { filter:none; }
.logo-revilaw { color:#fff; transition:var(--transition); }
.logo-spa { color:#8bb8d4; transition:var(--transition); }
.navbar.scrolled .logo-revilaw { color:var(--text-primary); }
.navbar.scrolled .logo-spa { color:var(--accent); }
.nav-links { display:flex; align-items:center; gap:32px; list-style:none; }
.nav-links a { font-size:0.9rem; font-weight:500; color:rgba(255,255,255,0.8); position:relative; }
.nav-links a:hover { color:#fff; }
.nav-links a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background:var(--accent); transition:var(--transition); }
.nav-links a:hover::after { width:100%; }
.navbar.scrolled .nav-links a { color:var(--text-secondary); }
.navbar.scrolled .nav-links a:hover { color:var(--text-primary); }
.nav-cta { background:var(--accent)!important; color:#fff!important; padding:10px 24px; border-radius:8px; font-weight:600!important; }
.nav-cta::after { display:none!important; }
.nav-cta:hover { background:var(--accent-dark)!important; transform:translateY(-1px); box-shadow:0 4px 12px rgba(26,58,92,0.3); }
.hamburger { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:4px; }
.hamburger span { width:24px; height:2px; border-radius:2px; background:#fff; transition:var(--transition); }
.navbar.scrolled .hamburger span { background:var(--text-primary); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display:inline-flex; align-items:center; justify-content:center;
    padding:14px 32px; border-radius:10px; font-size:1rem; font-weight:600;
    cursor:pointer; transition:var(--transition); border:none; font-family:inherit;
}
.btn-primary { background:var(--navy); color:#fff; box-shadow:0 4px 16px rgba(26,58,92,0.3); }
.btn-primary:hover { transform:translateY(-2px); background:var(--accent-dark); box-shadow:0 8px 24px rgba(26,58,92,0.4); }
.btn-outline { background:transparent; color:#fff; border:1px solid rgba(255,255,255,0.3); }
.btn-outline:hover { border-color:rgba(255,255,255,0.6); background:rgba(255,255,255,0.1); }
.btn-lg { padding:16px 40px; font-size:1.05rem; }
.btn-full { width:100%; }

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height:100vh; display:flex; align-items:center; position:relative;
    padding:120px 0 80px; overflow:hidden; background:var(--gradient-hero); color:#fff;
}
.hero-bg-overlay {
    position:absolute; inset:0;
    background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(26,58,92,0.2) 0%,transparent 60%),
               radial-gradient(ellipse 60% 50% at 80% 20%,rgba(36,80,110,0.1) 0%,transparent 50%);
    pointer-events:none;
}
.hero-particles { position:absolute; inset:0; pointer-events:none; overflow:hidden; }
.hero-particles .particle {
    position:absolute; border-radius:50%; background:rgba(255,255,255,0.06);
    animation:floatParticle linear infinite;
}
@keyframes floatParticle {
    0% { transform:translateY(100vh) scale(0); opacity:0; }
    10% { opacity:1; }
    90% { opacity:1; }
    100% { transform:translateY(-10vh) scale(1); opacity:0; }
}
.hero::after {
    content:''; position:absolute; bottom:0; left:0; right:0; height:120px;
    background:linear-gradient(to top,var(--bg-primary),transparent); pointer-events:none;
}
.hero-content { position:relative; z-index:1; text-align:center; max-width:820px; margin:0 auto; }
.hero-badge {
    display:inline-flex; align-items:center; gap:8px; padding:8px 20px;
    background:rgba(26,58,92,0.2); border:1px solid rgba(26,58,92,0.4);
    border-radius:100px; font-size:0.85rem; font-weight:600; color:#8bb8d4;
    margin-bottom:32px; animation:fadeInUp 0.8s ease-out;
}
.hero h1 { font-family:'Montserrat',sans-serif; font-size:clamp(2.2rem,5vw,3.8rem); font-weight:900; line-height:1.1; margin-bottom:24px; letter-spacing:-1px; animation:fadeInUp 0.8s ease-out 0.1s both; }
.text-accent { color:#5ba3d9; }
.hero-subtitle { font-size:1.15rem; line-height:1.8; color:rgba(255,255,255,0.8); max-width:640px; margin:0 auto 40px; animation:fadeInUp 0.8s ease-out 0.2s both; }
.hero-subtitle strong { color:#fff; }
.hero-actions { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; margin-bottom:60px; animation:fadeInUp 0.8s ease-out 0.3s both; }
.hero-stats { display:flex; align-items:center; justify-content:center; gap:40px; animation:fadeInUp 0.8s ease-out 0.4s both; }
.stat { text-align:center; }
.stat-number { display:block; font-family:'Montserrat',sans-serif; font-size:1.8rem; font-weight:800; color:#fff; }
.stat-label { font-size:0.8rem; color:rgba(255,255,255,0.6); font-weight:500; }
.stat-divider { width:1px; height:40px; background:rgba(255,255,255,0.15); }

@keyframes fadeInUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }

/* ============================================
   SECTIONS
   ============================================ */
.section { padding:100px 0; }
.section-alt { background:var(--bg-secondary); }
.section-header { text-align:center; max-width:700px; margin:0 auto 60px; }
.section-tag { display:inline-block; font-size:0.78rem; font-weight:700; text-transform:uppercase; letter-spacing:2px; color:var(--accent); margin-bottom:16px; padding:6px 16px; background:var(--accent-bg); border-radius:100px; }
.section-header h2 { font-family:'Montserrat',sans-serif; font-size:clamp(1.8rem,3.5vw,2.6rem); font-weight:800; line-height:1.15; letter-spacing:-0.5px; margin-bottom:20px; }
.section-desc { font-size:1.05rem; line-height:1.8; color:var(--text-secondary); }
.section-desc strong { color:var(--text-primary); }

/* ============================================
   PROCESS INTERACTIVE
   ============================================ */
.process-interactive { max-width:900px; margin:0 auto; }
.process-progress { margin-bottom:48px; }
.progress-track { height:4px; background:var(--bg-tertiary); border-radius:4px; position:relative; margin-bottom:0; }
.progress-fill { height:100%; background:var(--navy); border-radius:4px; transition:width 0.5s ease; width:0%; }
.progress-steps { display:flex; justify-content:space-between; margin-top:-14px; position:relative; z-index:1; }
.progress-dot {
    width:28px; height:28px; border-radius:50%; border:3px solid var(--border-color);
    background:#fff; font-size:0.75rem; font-weight:700; color:var(--text-muted);
    cursor:pointer; transition:var(--transition); display:flex; align-items:center; justify-content:center;
}
.progress-dot.active, .progress-dot.completed { border-color:var(--navy); background:var(--navy); color:#fff; }

.step-display { position:relative; min-height:300px; }
.step-card {
    display:none; gap:32px; align-items:flex-start;
    background:#fff; border:1px solid var(--border-color); border-radius:var(--radius-lg);
    padding:40px; box-shadow:var(--shadow); animation:fadeInUp 0.4s ease;
}
.step-card.active { display:flex; }
.step-icon {
    width:64px; height:64px; flex-shrink:0; border-radius:16px;
    background:linear-gradient(135deg,var(--navy),var(--navy-light));
    color:#fff; display:flex; align-items:center; justify-content:center;
    box-shadow:0 8px 24px rgba(26,58,92,0.2);
}
.step-icon svg { width:28px; height:28px; }
.step-content { flex:1; }
.step-label { font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:2px; color:var(--accent); margin-bottom:8px; display:block; }
.step-content h3 { font-size:1.3rem; font-weight:700; margin-bottom:12px; line-height:1.3; }
.step-content p { font-size:0.95rem; line-height:1.8; color:var(--text-secondary); margin-bottom:20px; }
.step-checklist { list-style:none; display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.step-checklist li { position:relative; padding-left:24px; font-size:0.88rem; color:var(--text-secondary); line-height:1.5; }
.step-checklist li::before { content:''; position:absolute; left:0; top:6px; width:8px; height:8px; border-radius:50%; background:var(--navy); opacity:0.6; }

/* ============================================
   METODO - Radar + Pilastri
   ============================================ */
.metodo-layout { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.radar-chart-wrap { display:flex; justify-content:center; align-items:center; }
.radar-chart-wrap canvas { max-width:100%; }
.pilastri-list { display:flex; flex-direction:column; gap:12px; }
.pilastro-item {
    display:flex; gap:16px; align-items:flex-start; padding:16px 20px;
    border-radius:var(--radius); border:1px solid transparent; cursor:pointer;
    transition:var(--transition);
}
.pilastro-item:hover, .pilastro-item.active {
    background:#fff; border-color:var(--border-color); box-shadow:var(--shadow-sm);
}
.pilastro-item.active { border-left:3px solid var(--navy); }
.pilastro-number { font-family:'Montserrat',sans-serif; font-size:1.4rem; font-weight:800; color:var(--navy); line-height:1; min-width:32px; }
.pilastro-info h4 { font-size:0.95rem; font-weight:700; margin-bottom:4px; }
.pilastro-info p { font-size:0.82rem; color:var(--text-secondary); line-height:1.6; display:none; }
.pilastro-item.active .pilastro-info p { display:block; }

/* ============================================
   PIANO DI REVISIONE & STRATEGIA
   ============================================ */
.piano-eyebrow {
    display:inline-block;
    font-size:0.68rem;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:2px;
    color:var(--accent);
    margin-bottom:14px;
    padding:5px 14px;
    background:var(--accent-bg);
    border-radius:100px;
}

/* --- A) Strategy flow pipeline --- */
.piano-flow {
    display:grid;
    grid-template-columns:1fr auto 1fr auto 1fr auto 1fr auto 1fr;
    gap:0;
    align-items:stretch;
    max-width:1180px;
    margin:0 auto 90px;
}

.piano-flow-step {
    background:var(--bg-primary);
    border:1px solid var(--border-color);
    border-radius:var(--radius);
    padding:28px 22px 26px;
    position:relative;
    transition:var(--transition);
    display:flex;
    flex-direction:column;
    gap:10px;
    min-width:0;
}

.piano-flow-step:hover {
    transform:translateY(-4px);
    box-shadow:var(--shadow-lg);
    border-color:var(--accent-border);
}

.piano-flow-num {
    font-family:'Montserrat',sans-serif;
    font-size:0.72rem;
    font-weight:800;
    color:var(--accent);
    letter-spacing:1.5px;
    background:var(--accent-bg);
    padding:4px 10px;
    border-radius:100px;
    align-self:flex-start;
}

.piano-flow-icon {
    width:44px;
    height:44px;
    border-radius:12px;
    background:linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    margin-top:4px;
    box-shadow:0 6px 16px rgba(26,58,92,0.18);
}

.piano-flow-icon svg { width:22px; height:22px; }

.piano-flow-step h4 {
    font-family:'Montserrat',sans-serif;
    font-size:0.98rem;
    font-weight:800;
    color:var(--text-primary);
    line-height:1.3;
    margin-top:4px;
}

.piano-flow-step p {
    font-size:0.82rem;
    line-height:1.6;
    color:var(--text-secondary);
    margin:0;
}

.piano-flow-arrow {
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--accent);
    opacity:0.45;
    padding:0 6px;
}

.piano-flow-arrow svg { width:20px; height:20px; }

/* --- B) Materiality calculator --- */
.piano-materialita {
    background:var(--bg-primary);
    border:1px solid var(--border-color);
    border-radius:var(--radius-lg);
    padding:48px 44px;
    margin-bottom:90px;
    max-width:1180px;
    margin-left:auto;
    margin-right:auto;
}

.piano-materialita-header {
    text-align:center;
    max-width:760px;
    margin:0 auto 44px;
}

.piano-materialita-header .piano-eyebrow {
    margin-bottom:14px;
}

.piano-materialita-header h3 {
    font-family:'Montserrat',sans-serif;
    font-size:1.6rem;
    font-weight:800;
    color:var(--text-primary);
    line-height:1.25;
    margin-bottom:18px;
    letter-spacing:-0.3px;
}

.piano-materialita-header p {
    font-size:1rem;
    line-height:1.8;
    color:var(--text-secondary);
    margin:0;
}

.piano-materialita-header p strong {
    color:var(--text-primary);
}

/* ---------- Top table: parameter selection ---------- */
.piano-mat-table {
    border:1px solid var(--border-color);
    border-radius:var(--radius);
    overflow:hidden;
    margin-bottom:0;
    box-shadow:var(--shadow-sm);
}

/* 6-column grid: check | name | ifac | % | valore | row-result */
.piano-mat-thead {
    display:grid;
    grid-template-columns:60px minmax(0, 1.3fr) 120px 130px 200px 150px;
    grid-template-rows:auto auto;
    background:linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
    color:#fff;
}

.piano-mat-group {
    padding:13px 14px 9px;
    font-family:'Montserrat',sans-serif;
    font-size:0.68rem;
    font-weight:800;
    letter-spacing:1.4px;
    text-transform:uppercase;
    text-align:center;
    border-bottom:1px solid rgba(255,255,255,0.16);
    color:rgba(255,255,255,0.92);
}

.piano-mat-group-param  { grid-column:1 / span 2; }
.piano-mat-group-pct    { grid-column:3 / span 2; border-left:1px solid rgba(255,255,255,0.12); }
.piano-mat-group-val    { grid-column:5 / span 1; border-left:1px solid rgba(255,255,255,0.12); }
.piano-mat-group-row    { grid-column:6 / span 1; border-left:1px solid rgba(255,255,255,0.12); background:rgba(0,0,0,0.12); }

.piano-mat-subh {
    padding:9px 14px 13px;
    font-family:'Montserrat',sans-serif;
    font-size:0.64rem;
    font-weight:700;
    letter-spacing:1px;
    text-transform:uppercase;
    text-align:center;
    color:rgba(255,255,255,0.72);
}

.piano-mat-subh.piano-mat-col-name { text-align:left; }
.piano-mat-subh.piano-mat-col-ifac { background:rgba(255,255,255,0.06); }
.piano-mat-subh.piano-mat-col-rowresult {
    background:rgba(0,0,0,0.12);
    color:rgba(255,255,255,0.85);
    font-weight:800;
}

.piano-mat-tbody { background:#fff; }

.piano-mat-row {
    display:grid;
    grid-template-columns:60px minmax(0, 1.3fr) 120px 130px 200px 150px;
    align-items:center;
    border-top:1px solid var(--border-color);
    transition:background 0.2s ease, opacity 0.3s ease;
}

.piano-mat-row:first-child { border-top:none; }
.piano-mat-row:hover { background:var(--bg-secondary); }

.piano-mat-row > div {
    padding:16px 14px;
    font-size:0.88rem;
    color:var(--text-primary);
}

.piano-mat-col-check { text-align:center; }
.piano-mat-col-name  { font-weight:600; }
.piano-mat-col-ifac {
    background:#fdf1df;
    color:var(--text-secondary);
    text-align:center;
    font-weight:700;
    font-size:0.78rem;
    letter-spacing:0.2px;
    align-self:stretch;
    display:flex;
    align-items:center;
    justify-content:center;
}
.piano-mat-col-pctin,
.piano-mat-col-valin { text-align:center; }

.piano-mat-col-rowresult {
    background:var(--accent-bg);
    text-align:right;
    font-family:'Montserrat',sans-serif;
    font-weight:800;
    font-size:0.92rem;
    color:var(--accent-dark);
    letter-spacing:-0.2px;
    align-self:stretch;
    display:flex;
    align-items:center;
    justify-content:flex-end;
    padding-right:20px !important;
    transition:background 0.25s ease, color 0.25s ease;
}

.piano-mat-row.is-unchecked .piano-mat-col-rowresult {
    background:var(--bg-tertiary);
    color:var(--text-muted);
    font-weight:600;
    font-size:0.85rem;
}

/* Dimmed state when row is unchecked */
.piano-mat-row.is-unchecked .piano-mat-col-name,
.piano-mat-row.is-unchecked .piano-mat-col-ifac { opacity:0.5; }
.piano-mat-row.is-unchecked .piano-mat-input-wrap {
    opacity:0.35;
    pointer-events:none;
}

/* ---------- Custom checkbox ---------- */
.piano-mat-checkbox {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    cursor:pointer;
    position:relative;
    width:20px;
    height:20px;
}
.piano-mat-checkbox input {
    position:absolute;
    opacity:0;
    pointer-events:none;
}
.piano-mat-checkbox-ui {
    width:20px;
    height:20px;
    border:1.5px solid var(--border-color);
    border-radius:4px;
    background:#fff;
    transition:var(--transition);
    position:relative;
}
.piano-mat-checkbox:hover .piano-mat-checkbox-ui {
    border-color:var(--accent);
}
.piano-mat-checkbox input:checked + .piano-mat-checkbox-ui {
    background:var(--accent);
    border-color:var(--accent);
}
.piano-mat-checkbox input:checked + .piano-mat-checkbox-ui::after {
    content:'';
    position:absolute;
    left:5px;
    top:1px;
    width:6px;
    height:11px;
    border:solid #fff;
    border-width:0 2px 2px 0;
    transform:rotate(45deg);
}
.piano-mat-checkbox input:focus-visible + .piano-mat-checkbox-ui {
    outline:2px solid var(--accent);
    outline-offset:2px;
}

/* ---------- Inputs (numeric) ---------- */
.piano-mat-input-wrap {
    display:inline-flex;
    align-items:center;
    gap:6px;
    background:#fff;
    border:1px solid var(--border-color);
    border-radius:6px;
    padding:6px 10px;
    transition:var(--transition);
    max-width:100%;
}
.piano-mat-input-wrap:focus-within {
    border-color:var(--accent);
    box-shadow:0 0 0 3px rgba(26,58,92,0.1);
}
.piano-mat-input {
    border:none;
    outline:none;
    background:transparent;
    font-family:inherit;
    font-size:0.9rem;
    font-weight:600;
    color:var(--text-primary);
    text-align:right;
    width:100%;
    min-width:0;
    padding:0;
    -moz-appearance:textfield;
}
.piano-mat-input::-webkit-outer-spin-button,
.piano-mat-input::-webkit-inner-spin-button {
    -webkit-appearance:none;
    margin:0;
}
.piano-mat-suffix {
    font-size:0.82rem;
    font-weight:600;
    color:var(--text-secondary);
    flex-shrink:0;
}

/* Pct inputs narrower */
.piano-mat-col-pctin .piano-mat-input-wrap { width:96px; }
.piano-mat-col-valin .piano-mat-input-wrap { width:180px; }
.piano-mat-input-wrap-sm { width:100px; padding:5px 10px; }

/* ---------- Averaging visualization bridge ---------- */
.piano-mat-avg {
    display:flex;
    align-items:center;
    gap:18px;
    margin:32px 0 28px;
    padding:0 40px;
}

.piano-mat-avg-line {
    flex:1;
    height:2px;
    background:linear-gradient(90deg, transparent 0%, var(--accent-border) 50%, var(--accent-border) 100%);
    border-radius:1px;
}

.piano-mat-avg .piano-mat-avg-line:last-child {
    background:linear-gradient(90deg, var(--accent-border) 0%, var(--accent-border) 50%, transparent 100%);
}

.piano-mat-avg-badge {
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:2px;
    padding:10px 22px;
    background:var(--accent-bg);
    border:1.5px solid var(--accent-border);
    border-radius:100px;
    white-space:nowrap;
    position:relative;
}

.piano-mat-avg-badge::before,
.piano-mat-avg-badge::after {
    content:'';
    position:absolute;
    top:50%;
    width:8px;
    height:8px;
    border-radius:50%;
    background:var(--accent);
    transform:translateY(-50%);
}
.piano-mat-avg-badge::before { left:-4px; }
.piano-mat-avg-badge::after  { right:-4px; }

.piano-mat-avg-formula {
    font-family:'Montserrat',sans-serif;
    font-size:0.85rem;
    font-weight:800;
    color:var(--accent-dark);
    letter-spacing:-0.2px;
}

.piano-mat-avg-formula #pianoMatCount {
    display:inline-block;
    min-width:1em;
    text-align:center;
    padding:1px 8px;
    margin-left:4px;
    background:var(--accent);
    color:#fff;
    border-radius:100px;
    font-size:0.75rem;
    font-weight:800;
}

.piano-mat-avg-label {
    font-size:0.62rem;
    font-weight:700;
    letter-spacing:1.2px;
    text-transform:uppercase;
    color:var(--accent);
    opacity:0.68;
}

/* ---------- Result cards ---------- */
.piano-mat-cards {
    display:grid;
    grid-template-columns:minmax(0, 1.25fr) auto minmax(0, 1fr) minmax(0, 1fr);
    gap:20px;
    align-items:stretch;
}

.piano-mat-card {
    background:#fff;
    border:1.5px solid var(--border-color);
    border-radius:var(--radius);
    padding:28px 26px 24px;
    display:flex;
    flex-direction:column;
    gap:10px;
    position:relative;
    overflow:hidden;
    transition:var(--transition);
}

.piano-mat-card-primary {
    background:linear-gradient(160deg, var(--accent-dark) 0%, var(--accent) 60%, var(--accent-light) 100%);
    border-color:var(--accent-dark);
    color:#fff;
    box-shadow:0 20px 48px rgba(10,25,45,0.22);
    padding:34px 30px 30px;
}

.piano-mat-card-primary::before {
    content:'';
    position:absolute;
    top:-40px;
    right:-40px;
    width:160px;
    height:160px;
    background:radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    pointer-events:none;
}

.piano-mat-card-derived {
    background:var(--bg-secondary);
}

.piano-mat-card-derived:hover {
    background:#fff;
    border-color:var(--accent-border);
    transform:translateY(-3px);
    box-shadow:var(--shadow-lg);
}

.piano-mat-card-label {
    font-family:'Montserrat',sans-serif;
    font-size:0.62rem;
    font-weight:800;
    letter-spacing:2px;
    text-transform:uppercase;
    color:var(--text-muted);
}

.piano-mat-card-primary .piano-mat-card-label {
    color:rgba(255,255,255,0.6);
}

.piano-mat-card-amount {
    font-family:'Montserrat',sans-serif;
    font-size:2.6rem;
    font-weight:900;
    line-height:1.05;
    letter-spacing:-1.2px;
    color:var(--accent-dark);
    position:relative;
    z-index:1;
    transition:color 0.2s ease;
}

.piano-mat-card-amount-md {
    font-size:1.7rem;
    color:var(--accent);
}

.piano-mat-card-primary .piano-mat-card-amount {
    color:#fff;
}

.piano-mat-card-sub {
    font-size:0.78rem;
    font-style:italic;
    color:rgba(255,255,255,0.62);
    margin-top:auto;
}

.piano-mat-card-ctrl {
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:6px 10px;
    margin-top:auto;
    padding-top:14px;
    border-top:1px solid var(--border-color);
}

.piano-mat-card-ctrl-label {
    font-size:0.64rem;
    font-weight:700;
    letter-spacing:1.2px;
    text-transform:uppercase;
    color:var(--text-muted);
}

.piano-mat-card-ctrl-range {
    font-size:0.68rem;
    color:var(--text-muted);
    font-style:italic;
    margin-left:auto;
}

.piano-mat-card-arrow {
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--accent);
    opacity:0.35;
    width:28px;
}

.piano-mat-card-arrow svg { width:24px; height:24px; }

/* Amount "pulse" animation when value updates */
@keyframes pianoMatFlash {
    0%   { background:var(--accent-bg); }
    100% { background:transparent; }
}

.piano-mat-card-amount.is-flashing {
    animation:pianoMatFlash 0.45s ease-out;
    border-radius:6px;
    padding:0 6px;
    margin:0 -6px;
}

@media (max-width: 1100px) {
    .piano-mat-cards {
        grid-template-columns:1fr 1fr;
        gap:16px;
    }
    .piano-mat-card-primary { grid-column:1 / -1; }
    .piano-mat-card-arrow { display:none; }
}

@media (max-width: 900px) {
    .piano-materialita { padding:32px 24px; }
    .piano-mat-thead,
    .piano-mat-row {
        grid-template-columns:48px minmax(0, 1fr) 88px 96px 140px 110px;
    }
    .piano-mat-group,
    .piano-mat-subh { font-size:0.58rem; letter-spacing:0.7px; padding:7px 4px; }
    .piano-mat-row > div { padding:12px 8px; font-size:0.8rem; }
    .piano-mat-col-ifac { font-size:0.7rem; }
    .piano-mat-col-pctin .piano-mat-input-wrap { width:78px; padding:5px 8px; }
    .piano-mat-col-valin .piano-mat-input-wrap { width:130px; padding:5px 8px; }
    .piano-mat-input { font-size:0.8rem; }
    .piano-mat-col-rowresult { font-size:0.82rem; padding-right:12px !important; }
    .piano-mat-avg { padding:0 12px; margin:26px 0 22px; }
    .piano-mat-avg-formula { font-size:0.76rem; }
    .piano-mat-avg-label { font-size:0.58rem; }
    .piano-mat-card-amount { font-size:2.1rem; }
    .piano-mat-card-amount-md { font-size:1.45rem; }
}

@media (max-width: 720px) {
    .piano-materialita { padding:24px 18px; }
    .piano-mat-table { font-size:0.78rem; }

    /* Collapse table into stacked cards on small screens */
    .piano-mat-thead { display:none; }
    .piano-mat-row {
        display:grid;
        grid-template-columns:28px 1fr;
        grid-template-areas:
            "check name"
            "check ifac"
            "check pct"
            "check val"
            "check result";
        gap:6px 12px;
        padding:16px 18px;
        background:#fff;
    }
    .piano-mat-row:nth-child(even) { background:var(--bg-secondary); }
    .piano-mat-row > div { padding:0; font-size:0.85rem; text-align:left; }
    .piano-mat-col-check { grid-area:check; align-self:start; padding-top:2px !important; }
    .piano-mat-col-name { grid-area:name; font-weight:800; font-size:0.95rem; }
    .piano-mat-col-ifac {
        grid-area:ifac;
        background:transparent;
        padding:0 !important;
        align-self:start;
        justify-self:start;
    }
    .piano-mat-col-ifac::before {
        content:'IFAC-CNDCEC · ';
        font-size:0.62rem;
        letter-spacing:0.8px;
        color:var(--text-muted);
        font-weight:700;
        text-transform:uppercase;
        margin-right:4px;
    }
    .piano-mat-col-pctin { grid-area:pct; justify-self:start; }
    .piano-mat-col-valin { grid-area:val; justify-self:start; }
    .piano-mat-col-rowresult {
        grid-area:result;
        background:transparent;
        padding:6px 0 0 !important;
        justify-content:flex-start;
        font-size:1rem;
    }
    .piano-mat-col-rowresult::before {
        content:'Materialità riga: ';
        font-size:0.62rem;
        letter-spacing:0.8px;
        color:var(--text-muted);
        font-weight:700;
        text-transform:uppercase;
        margin-right:6px;
    }
    .piano-mat-col-pctin .piano-mat-input-wrap { width:110px; }
    .piano-mat-col-valin .piano-mat-input-wrap { width:170px; }

    .piano-mat-cards { grid-template-columns:1fr; gap:14px; }
    .piano-mat-card-primary { padding:28px 24px 24px; }
    .piano-mat-card-amount { font-size:2rem; }
    .piano-mat-card-amount-md { font-size:1.35rem; }
}

/* --- C) Audit areas grid --- */
.piano-aree-header {
    text-align:center;
    max-width:720px;
    margin:0 auto 40px;
}

.piano-aree-header h3 {
    font-family:'Montserrat',sans-serif;
    font-size:1.6rem;
    font-weight:800;
    color:var(--text-primary);
    line-height:1.25;
    margin-bottom:14px;
    letter-spacing:-0.3px;
}

.piano-aree-header p {
    font-size:0.95rem;
    line-height:1.75;
    color:var(--text-secondary);
}

/* ---------- 3D cube scene ---------- */
.piano-cube-scene {
    --scene-size: min(560px, 82vw);
    --cube-size: calc(var(--scene-size) / 5.6);
    --cube-spacing: calc(var(--cube-size) * 1.12);
    position:relative;
    width:var(--scene-size);
    height:var(--scene-size);
    margin:20px auto 72px;
    perspective:1600px;
    perspective-origin:50% 40%;
    cursor:grab;
    touch-action:none;
    user-select:none;
    -webkit-user-select:none;
}

.piano-cube-scene.is-dragging { cursor:grabbing; }

.piano-cube-space {
    position:absolute;
    inset:0;
    transform-style:preserve-3d;
    transform:rotateX(var(--rx, -22deg)) rotateY(var(--ry, 32deg));
    transition:transform 0.4s cubic-bezier(0.22, 0.8, 0.3, 1.05);
    pointer-events:auto;
}

.piano-cube-scene.is-dragging .piano-cube-space { transition:none; }

.piano-cube-item {
    position:absolute;
    top:50%;
    left:50%;
    width:var(--cube-size);
    height:var(--cube-size);
    margin-left:calc(var(--cube-size) / -2);
    margin-top:calc(var(--cube-size) / -2);
    transform-style:preserve-3d;
    transform:translate3d(
        calc(var(--gx) * var(--cube-spacing)),
        calc(var(--gy) * var(--cube-spacing)),
        calc(var(--gz) * var(--cube-spacing))
    );
    cursor:pointer;
}

.piano-cube-face {
    position:absolute;
    inset:0;
    display:flex;
    align-items:center;
    justify-content:center;
    border:1.5px solid rgba(255, 255, 255, 0.16);
    border-radius:6px;
    box-sizing:border-box;
    backface-visibility:hidden;
    transition:background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    font-family:'Montserrat', sans-serif;
    font-weight:800;
    letter-spacing:0.8px;
    color:rgba(255, 255, 255, 0.88);
}

.piano-cube-face-abbr {
    font-size:calc(var(--cube-size) / 5.2);
    line-height:1;
    text-shadow:0 1px 2px rgba(0, 0, 0, 0.35);
}

/* Each face positions itself at half the cube's edge */
.piano-cube-face-f {
    background:linear-gradient(135deg, rgba(26, 58, 92, 0.92) 0%, rgba(42, 80, 110, 0.92) 100%);
    transform:translateZ(calc(var(--cube-size) / 2));
}
.piano-cube-face-b {
    background:linear-gradient(135deg, rgba(19, 45, 71, 0.92) 0%, rgba(26, 58, 92, 0.92) 100%);
    transform:rotateY(180deg) translateZ(calc(var(--cube-size) / 2));
}
.piano-cube-face-r {
    background:linear-gradient(135deg, rgba(42, 80, 110, 0.92) 0%, rgba(26, 58, 92, 0.92) 100%);
    transform:rotateY(90deg) translateZ(calc(var(--cube-size) / 2));
}
.piano-cube-face-l {
    background:linear-gradient(135deg, rgba(23, 52, 82, 0.92) 0%, rgba(15, 38, 62, 0.92) 100%);
    transform:rotateY(-90deg) translateZ(calc(var(--cube-size) / 2));
}
.piano-cube-face-t {
    background:linear-gradient(180deg, rgba(60, 108, 148, 0.95) 0%, rgba(38, 80, 115, 0.95) 100%);
    transform:rotateX(90deg) translateZ(calc(var(--cube-size) / 2));
}
.piano-cube-face-d {
    background:linear-gradient(180deg, rgba(10, 30, 50, 0.95) 0%, rgba(18, 42, 68, 0.95) 100%);
    transform:rotateX(-90deg) translateZ(calc(var(--cube-size) / 2));
}

/* Hover / focus state — lighter accent tint on all faces */
.piano-cube-item:hover .piano-cube-face,
.piano-cube-item:focus-visible .piano-cube-face {
    border-color:rgba(127, 186, 255, 0.55);
    box-shadow:inset 0 0 0 2px rgba(127, 186, 255, 0.28);
}
.piano-cube-item:hover .piano-cube-face-f,
.piano-cube-item:focus-visible .piano-cube-face-f {
    background:linear-gradient(135deg, rgba(42, 90, 133, 0.95) 0%, rgba(60, 111, 160, 0.95) 100%);
}

/* Active selected state — bright highlight + glow */
.piano-cube-item.is-active .piano-cube-face {
    border-color:rgba(255, 255, 255, 0.8);
    box-shadow:
        inset 0 0 0 2px rgba(255, 255, 255, 0.6),
        0 0 28px rgba(91, 137, 184, 0.55);
}
.piano-cube-item.is-active .piano-cube-face-f {
    background:linear-gradient(135deg, rgba(127, 186, 255, 0.92) 0%, rgba(60, 111, 160, 0.95) 100%);
    color:#ffffff;
}
.piano-cube-item.is-active .piano-cube-face-r,
.piano-cube-item.is-active .piano-cube-face-l {
    background:linear-gradient(135deg, rgba(80, 130, 180, 0.95) 0%, rgba(50, 96, 140, 0.95) 100%);
}
.piano-cube-item.is-active .piano-cube-face-t {
    background:linear-gradient(180deg, rgba(140, 195, 255, 0.95) 0%, rgba(80, 130, 180, 0.95) 100%);
}
.piano-cube-item.is-active .piano-cube-face-b,
.piano-cube-item.is-active .piano-cube-face-d {
    background:linear-gradient(135deg, rgba(36, 76, 115, 0.95) 0%, rgba(22, 52, 82, 0.95) 100%);
}

/* Hover tooltip */
.piano-cube-tooltip {
    position:absolute;
    pointer-events:none;
    background:var(--accent-dark);
    color:#ffffff;
    padding:7px 14px;
    border-radius:6px;
    font-family:'Montserrat', sans-serif;
    font-size:0.75rem;
    font-weight:700;
    letter-spacing:0.3px;
    white-space:nowrap;
    transform:translate(-50%, -100%);
    box-shadow:0 8px 22px rgba(10, 25, 45, 0.35);
    z-index:10;
}

.piano-cube-tooltip::after {
    content:'';
    position:absolute;
    left:50%;
    top:100%;
    transform:translateX(-50%);
    border:5px solid transparent;
    border-top-color:var(--accent-dark);
}

/* Bottom hint line */
.piano-cube-hint {
    position:absolute;
    left:50%;
    bottom:-36px;
    transform:translateX(-50%);
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-family:'Montserrat', sans-serif;
    font-size:0.72rem;
    font-weight:700;
    letter-spacing:0.6px;
    text-transform:uppercase;
    color:var(--text-muted);
    white-space:nowrap;
    pointer-events:none;
}

.piano-cube-hint svg {
    width:14px;
    height:14px;
    opacity:0.65;
}

@media (prefers-reduced-motion: reduce) {
    .piano-cube-space { transition:none; }
}

/* ---------- Detail panel ---------- */
.piano-area-detail {
    max-width:1180px;
    margin:0 auto;
    background:var(--bg-primary);
    border:1px solid var(--border-color);
    border-radius:var(--radius);
    padding:32px 36px 30px;
    position:relative;
}

.piano-area-detail::before {
    content:'';
    position:absolute;
    top:0;
    left:0;
    width:4px;
    height:100%;
    background:var(--accent);
    border-radius:var(--radius) 0 0 var(--radius);
}

.piano-area-detail-head {
    display:flex;
    align-items:center;
    gap:18px;
    padding-bottom:20px;
    border-bottom:1px solid var(--border-color);
    margin-bottom:24px;
}

.piano-area-detail-icon {
    width:44px;
    height:44px;
    border-radius:10px;
    background:var(--accent-bg);
    color:var(--accent);
    display:flex;
    align-items:center;
    justify-content:center;
    flex-shrink:0;
}

.piano-area-detail-icon svg { width:24px; height:24px; }

.piano-area-detail-meta {
    display:flex;
    flex-direction:column;
    gap:2px;
}

.piano-area-detail-eyebrow {
    font-size:0.6rem;
    font-weight:700;
    letter-spacing:1.8px;
    text-transform:uppercase;
    color:var(--text-muted);
}

.piano-area-detail-meta h4 {
    font-family:'Montserrat',sans-serif;
    font-size:1.25rem;
    font-weight:800;
    color:var(--text-primary);
    letter-spacing:-0.2px;
    line-height:1.2;
}

.piano-area-detail-body {
    display:grid;
    grid-template-columns:minmax(0, 0.85fr) minmax(0, 1.15fr) minmax(0, 1fr);
    gap:32px;
}

.piano-area-detail-col {
    display:flex;
    flex-direction:column;
    gap:10px;
}

.piano-area-detail-label {
    font-family:'Montserrat',sans-serif;
    font-size:0.6rem;
    font-weight:700;
    letter-spacing:1.6px;
    text-transform:uppercase;
    color:var(--text-muted);
    padding-bottom:8px;
    border-bottom:1px solid var(--border-color);
}

.piano-area-detail-chips {
    display:flex;
    flex-wrap:wrap;
    gap:5px;
}

.piano-area-detail-chip {
    font-size:0.66rem;
    font-weight:700;
    letter-spacing:0.3px;
    color:var(--accent-dark);
    background:var(--accent-bg);
    padding:4px 10px;
    border-radius:4px;
    text-transform:uppercase;
}

.piano-area-detail-list {
    list-style:none;
    padding:0;
    margin:0;
    display:flex;
    flex-direction:column;
    gap:7px;
}

.piano-area-detail-list li {
    position:relative;
    padding-left:18px;
    font-size:0.84rem;
    line-height:1.6;
    color:var(--text-secondary);
}

.piano-area-detail-list li::before {
    content:'';
    position:absolute;
    left:0;
    top:9px;
    width:6px;
    height:6px;
    border-radius:1px;
    background:var(--accent);
    transform:rotate(45deg);
}

.piano-area-detail-list-risks li::before {
    background:var(--text-muted);
}

.piano-area-detail-list-risks li {
    color:var(--text-primary);
    font-weight:500;
}

/* --- PIANO section responsive --- */
@media (max-width: 1100px) {
    .piano-flow {
        grid-template-columns:1fr 1fr 1fr;
        gap:18px;
        row-gap:18px;
    }
    .piano-flow-arrow { display:none; }
    .piano-area-detail-body { grid-template-columns:1fr 1fr; }
    .piano-area-detail-col:first-child { grid-column:1 / -1; }
}

@media (max-width: 820px) {
    .piano-cube-scene { --scene-size: min(480px, 86vw); }
    .piano-area-detail { padding:24px 22px 22px; }
    .piano-area-detail-body { grid-template-columns:1fr; gap:24px; }
    .piano-area-detail-col:first-child { grid-column:auto; }
    .piano-area-detail-head { gap:14px; }
    .piano-area-detail-icon { width:38px; height:38px; }
    .piano-area-detail-icon svg { width:20px; height:20px; }
    .piano-area-detail-meta h4 { font-size:1.1rem; }
}

@media (max-width: 720px) {
    .piano-flow { grid-template-columns:1fr 1fr; }
    .piano-cube-scene { --scene-size: min(420px, 88vw); margin:16px auto 64px; }
    .piano-cube-hint { font-size:0.64rem; bottom:-28px; }
}

@media (max-width: 520px) {
    .piano-flow { grid-template-columns:1fr; }
    .piano-cube-scene { --scene-size: min(340px, 90vw); }
}

/* ============================================
   GANTT CHART
   ============================================ */
.gantt-wrapper { max-width:1160px; margin:0 auto; }
.gantt-controls { display:flex; gap:6px; margin-bottom:24px; flex-wrap:wrap; justify-content:center; }
.gantt-filter {
    padding:8px 18px; border-radius:6px; border:1px solid var(--border-color);
    background:#fff; font-size:0.8rem; font-weight:500; color:var(--text-secondary);
    cursor:pointer; transition:var(--transition); font-family:inherit;
}
.gantt-filter:hover { color:var(--navy); border-color:var(--navy); }
.gantt-filter.active { background:var(--navy); color:#fff; border-color:var(--navy); }

.gantt-chart {
    background:#fff; border:1px solid var(--border-color); border-radius:var(--radius);
    overflow:hidden; box-shadow:var(--shadow);
}
.gantt-header {
    display:flex; border-bottom:1px solid var(--border-color);
    background:#fafbfc;
}
.gantt-label-col {
    width:220px; flex-shrink:0; padding:16px 20px;
    font-size:0.7rem; font-weight:700; text-transform:uppercase; letter-spacing:1.2px;
    color:var(--text-muted); display:flex; align-items:flex-end;
}

.gantt-body { position:relative; }

.gantt-row {
    display:flex; border-bottom:1px solid #f1f5f9;
    transition:background 0.2s ease; position:relative;
}
.gantt-row:last-child { border-bottom:none; }
.gantt-row:hover { background:#fafbfc; }
.gantt-row.hidden { display:none; }
.gantt-row-label {
    width:220px; flex-shrink:0; padding:14px 20px;
    font-size:0.82rem; font-weight:500; color:var(--text-primary);
    display:flex; align-items:center; gap:10px;
    border-right:1px solid #f1f5f9;
    background:#fff;
}
.gantt-row-label .row-dot {
    width:8px; height:8px; border-radius:50%; flex-shrink:0;
    background:currentColor;
}
.gantt-bars {
    flex:1; display:grid; grid-template-columns:repeat(13,1fr);
    position:relative; padding:10px 0; align-items:center; min-height:44px;
}
.gantt-bars::before {
    content:''; position:absolute; inset:0; pointer-events:none;
    background-image:repeating-linear-gradient(
        to right,
        transparent 0,
        transparent calc(100% / 13 - 1px),
        rgba(26, 58, 92, 0.05) calc(100% / 13 - 1px),
        rgba(26, 58, 92, 0.05) calc(100% / 13)
    );
}
.gantt-bar {
    z-index:1;
    height:22px; border-radius:3px; position:relative; opacity:0;
    animation:ganttSlide 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    cursor:pointer;
    transition:transform 0.18s ease, filter 0.18s ease;
    margin:0 2px;
}
.gantt-bar:hover {
    filter:brightness(0.92);
    transform:scaleY(1.08);
}
.gantt-bar-tooltip {
    display:none; position:absolute; bottom:calc(100% + 12px); left:50%; transform:translateX(-50%);
    background:var(--text-primary); color:#fff; padding:10px 16px; border-radius:10px;
    font-size:0.78rem; font-weight:500; white-space:nowrap; z-index:10; pointer-events:none;
    box-shadow:0 8px 24px rgba(0,0,0,0.25);
    line-height:1.5;
}
.gantt-bar-tooltip::after {
    content:''; position:absolute; top:100%; left:50%; transform:translateX(-50%);
    border:6px solid transparent; border-top-color:var(--text-primary);
}
/* Tail bars (Relazione / Management Letter at Apr+1) — anchor
   the tooltip so its right edge aligns with the bar's right edge
   and the content flows leftward, staying fully inside the chart
   with no clipping even though the bar is at the last column. */
.gantt-bar.gantt-bar-tail .gantt-bar-tooltip {
    left:auto; right:0; transform:none;
}
.gantt-bar.gantt-bar-tail .gantt-bar-tooltip::after {
    left:auto; right:14px; transform:none;
}
/* Half bars — bar occupies only the first half of its grid cell
   (used for Relazione di revisione to show Apr 1 - Apr 15). */
.gantt-bar.gantt-bar-half-first {
    width:50%; justify-self:start;
}
.gantt-bar:hover .gantt-bar-tooltip { display:block; }
@keyframes ganttSlide {
    from { opacity:0; transform:scaleX(0); transform-origin:left; }
    to { opacity:1; transform:scaleX(1); }
}

.gantt-legend { display:flex; gap:28px; justify-content:center; margin-top:24px; flex-wrap:wrap; }
.legend-item { display:flex; align-items:center; gap:10px; font-size:0.84rem; color:var(--text-secondary); font-weight:500; }
.legend-color { width:14px; height:14px; border-radius:4px; box-shadow:0 2px 6px rgba(26,58,92,0.15); }

/* ============================================
   BENEFICI GRID
   ============================================ */
.benefici-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:28px; max-width:1080px; margin:0 auto; }
.beneficio-card {
    background:#fff; border:1px solid var(--border-color); border-radius:var(--radius-lg);
    padding:32px; transition:var(--transition); position:relative; overflow:hidden;
}
.beneficio-card::before {
    content:''; position:absolute; top:0; left:0; right:0; height:3px;
    background:linear-gradient(90deg,var(--navy),var(--navy-light)); transform:scaleX(0);
    transform-origin:left; transition:transform 0.5s ease;
}
.beneficio-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.beneficio-card:hover::before { transform:scaleX(1); }
.beneficio-icon {
    width:48px; height:48px; border-radius:12px;
    background:linear-gradient(135deg,var(--navy),var(--navy-light));
    color:#fff; display:flex; align-items:center; justify-content:center; margin-bottom:20px;
    box-shadow:0 4px 14px rgba(26,58,92,0.2);
}
.beneficio-icon svg { width:22px; height:22px; }
.beneficio-card h3 { font-size:1.1rem; font-weight:700; margin-bottom:10px; }
.beneficio-card > p { font-size:0.9rem; line-height:1.7; color:var(--text-secondary); margin-bottom:20px; }
.beneficio-card > p strong { color:var(--text-primary); }
.beneficio-chart { height:150px; margin-bottom:16px; }
.beneficio-chart canvas { width:100%!important; height:100%!important; }
.beneficio-stat { display:flex; align-items:baseline; gap:10px; padding-top:16px; border-top:1px solid var(--bg-tertiary); }
.stat-big { font-family:'Montserrat',sans-serif; font-size:1.6rem; font-weight:800; color:var(--navy); }
.stat-desc { font-size:0.82rem; color:var(--text-secondary); }

/* ============================================
   ROI SIMULATOR
   ============================================ */
.roi-simulator { max-width:1080px; margin:0 auto; display:grid; grid-template-columns:380px 1fr; gap:40px; align-items:start; }
.roi-inputs {
    background:#fff; border:1px solid var(--border-color); border-radius:var(--radius-lg);
    padding:32px; display:flex; flex-direction:column; gap:28px; box-shadow:var(--shadow);
    position:sticky; top:100px;
}
.roi-input-group label { display:block; font-size:0.85rem; font-weight:600; margin-bottom:10px; }
.roi-input-group input[type="range"] {
    width:100%; height:6px; -webkit-appearance:none; appearance:none;
    background:var(--bg-tertiary); border-radius:6px; outline:none;
}
.roi-input-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance:none; width:20px; height:20px; border-radius:50%;
    background:var(--navy); cursor:pointer; box-shadow:0 2px 8px rgba(26,58,92,0.3);
}
.roi-input-group input[type="text"] {
    width:100%; padding:12px 16px; border:1px solid var(--border-color);
    border-radius:8px; font-size:0.95rem; font-family:inherit; background:#fff;
    color:var(--text-primary); font-weight:600; transition:var(--transition);
}
.roi-input-group input[type="text"]:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(26,58,92,0.06); }
.roi-input-group input[type="text"]::placeholder { color:var(--text-muted); font-weight:400; }
.roi-input-group select {
    width:100%; padding:12px 16px; border:1px solid var(--border-color);
    border-radius:8px; font-size:0.9rem; font-family:inherit; background:#fff;
    cursor:pointer; color:var(--text-primary);
}
.roi-value { text-align:center; font-family:'Montserrat',sans-serif; font-size:1.2rem; font-weight:700; color:var(--navy); margin-top:8px; }
.roi-section-title {
    font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:1.4px;
    color:var(--navy); margin:0; padding-top:8px; border-top:1px solid var(--border-color);
}
.roi-section-title:first-child { border-top:none; padding-top:0; }
.roi-media-callout {
    background:rgba(26,58,92,0.04); border:1px solid var(--border-color);
    border-left:3px solid var(--navy); border-radius:8px; padding:14px 18px;
    display:flex; justify-content:space-between; align-items:center;
}
.media-label { font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:1.2px; color:var(--navy); }
.media-value { font-family:'Montserrat',sans-serif; font-size:1.15rem; font-weight:800; color:var(--navy); }

.roi-results { display:flex; flex-direction:column; gap:24px; }

/* Ore panel */
.roi-ore-panel {
    background:#fff; border:1px solid var(--border-color); border-radius:var(--radius-lg);
    padding:28px 32px; box-shadow:var(--shadow);
}
.roi-ore-panel h4 { font-size:0.9rem; font-weight:700; margin-bottom:20px; color:var(--text-primary); }
.ore-breakdown { margin-bottom:20px; }
.ore-row {
    display:flex; justify-content:space-between; align-items:center; padding:10px 0;
    border-bottom:1px dashed var(--border-color); font-size:0.88rem;
}
.ore-row:last-child { border-bottom:none; }
.ore-row span { color:var(--text-secondary); }
.ore-row strong { font-family:'Montserrat',sans-serif; font-weight:800; color:var(--navy); font-variant-numeric:tabular-nums; }
.ore-row-total {
    border-top:2px solid var(--navy); border-bottom:none; margin-top:4px; padding-top:14px;
}
.ore-row-total span { font-weight:700; color:var(--text-primary); text-transform:uppercase; font-size:0.78rem; letter-spacing:0.5px; }
.ore-row-total strong { font-size:1.15rem; }
.ore-triennio { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }
.ore-year {
    background:var(--bg-secondary); border:1px solid var(--border-color);
    border-radius:8px; padding:16px; text-align:center;
}
.ore-year span { display:block; font-size:0.72rem; font-weight:600; text-transform:uppercase; letter-spacing:1px; color:var(--text-muted); margin-bottom:6px; }
.ore-year strong { font-family:'Montserrat',sans-serif; font-size:1.3rem; font-weight:800; color:var(--navy); }

.roi-chart-wrap {
    background:#fff; border:1px solid var(--border-color); border-radius:var(--radius-lg);
    padding:24px; box-shadow:var(--shadow);
}
.roi-chart-wrap canvas { width:100%!important; height:auto!important; }
.roi-kpi-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
.roi-kpi {
    background:#fff; border:1px solid var(--border-color); border-radius:var(--radius);
    padding:20px 24px; text-align:center; transition:var(--transition);
}
.roi-kpi.highlight { background:var(--navy); border-color:var(--navy); }
.roi-kpi.highlight .roi-kpi-value { color:#fff; }
.roi-kpi.highlight .roi-kpi-label { color:rgba(255,255,255,0.7); }
.roi-kpi-value { display:block; font-family:'Montserrat',sans-serif; font-size:1.4rem; font-weight:800; color:var(--navy); margin-bottom:4px; }
.roi-kpi-label { font-size:0.78rem; color:var(--text-muted); font-weight:500; }
/* Attivita split panel */
.ore-attivita-panel {
    background:#fff; border:1px solid var(--border-color); border-radius:var(--radius-lg);
    padding:28px 32px; box-shadow:var(--shadow);
}
.ore-attivita-panel h4 { font-size:0.9rem; font-weight:700; margin-bottom:20px; color:var(--text-primary); }
.attivita-chart-wrap { margin-bottom:24px; }
.attivita-chart-wrap canvas { width:100%!important; display:block; }
.attivita-cards { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.attivita-card {
    background:var(--bg-secondary); border:1px solid var(--border-color);
    border-radius:12px; padding:20px 16px; text-align:center;
}
.attivita-bar {
    width:100%; height:6px; border-radius:3px; margin-bottom:14px; position:relative;
}
.attivita-pct {
    position:absolute; right:0; top:-18px; font-size:0.72rem; font-weight:700;
    color:var(--text-muted); letter-spacing:0.5px;
}
.attivita-card strong {
    display:block; font-family:'Montserrat',sans-serif; font-size:1.3rem;
    font-weight:800; color:var(--navy); margin-bottom:4px;
}
.attivita-card > span {
    display:block; font-size:0.78rem; font-weight:700; color:var(--text-primary);
    margin-bottom:10px; text-transform:uppercase; letter-spacing:0.5px;
}
.attivita-card p {
    font-size:0.76rem; line-height:1.55; color:var(--text-muted); margin:0;
}

.roi-disclaimer { font-size:0.8rem; line-height:1.6; color:var(--text-muted); margin:0; padding:16px 0 0; border-top:1px solid var(--border-color); }

/* ============================================
   SERVIZI HUB (Orbit Diagram + Popover)
   ============================================ */
.servizi-hub-wrapper {
    position:relative; max-width:820px; margin:0 auto;
    display:flex; flex-direction:column; align-items:center;
    padding:20px;
}
.servizi-hub-hint {
    margin-top:24px; font-size:0.85rem; color:var(--text-muted);
    font-weight:500; letter-spacing:0.3px; text-align:center;
    transition:opacity 0.3s ease;
}
.servizi-hub-wrapper.active .servizi-hub-hint { opacity:0; }

.servizi-hub { position:relative; width:520px; height:520px; transition:transform 0.35s ease; }
.servizi-hub-wrapper.active .servizi-hub { transform:scale(0.96); }

.servizi-hub-wrapper.active .hub-center { opacity:0; transform:translate(-50%,-50%) scale(0.85); }
.hub-center { transition:opacity 0.3s ease, transform 0.35s cubic-bezier(0.22,1,0.36,1); }

/* Popover card — appears in the center of the orbit on hover */
.servizio-popover {
    position:absolute; top:50%; left:50%;
    width:clamp(360px, 78%, 460px);
    transform:translate(-50%, -50%) scale(0.75);
    background:#fff; border:1px solid var(--border-color);
    border-radius:var(--radius-lg); padding:36px 38px;
    box-shadow:0 30px 80px rgba(10,40,68,0.22), 0 8px 24px rgba(10,40,68,0.08);
    opacity:0; pointer-events:none;
    transition:opacity 0.32s ease, transform 0.38s cubic-bezier(0.22,1,0.36,1);
    z-index:10;
}
.servizio-popover.active {
    opacity:1; pointer-events:auto;
    transform:translate(-50%, -50%) scale(1);
}

.servizio-popover-label {
    display:inline-block; font-size:0.68rem; font-weight:700; text-transform:uppercase;
    letter-spacing:1.6px; color:var(--navy); padding:6px 14px;
    background:var(--accent-bg); border-radius:100px; margin-bottom:18px;
}
.servizio-popover h3 {
    font-family:'Montserrat',sans-serif; font-size:1.4rem; font-weight:800;
    color:var(--text-primary); margin:0 0 14px; line-height:1.25;
    letter-spacing:-0.3px;
}
.servizio-popover > p {
    font-size:0.92rem; line-height:1.75; color:var(--text-secondary);
    margin:0 0 22px; padding-bottom:22px;
    border-bottom:1px solid var(--border-color);
}
.servizio-popover ul {
    list-style:none; padding:0; margin:0;
    display:flex; flex-direction:column; gap:10px;
}
.servizio-popover ul li {
    position:relative; padding:2px 0 2px 22px;
    font-size:0.86rem; line-height:1.6; color:var(--text-secondary);
    text-align:left;
}
.servizio-popover ul li::before {
    content:''; position:absolute; left:0; top:11px;
    width:10px; height:2px; background:var(--navy); border-radius:1px;
}

.hub-center {
    position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
    width:140px; height:140px; border-radius:50%;
    background:linear-gradient(135deg,var(--navy),var(--navy-light));
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 12px 40px rgba(26,58,92,0.3); z-index:2;
}
.hub-core { text-align:center; color:#fff; }
.hub-core strong { display:block; font-size:1rem; font-weight:700; line-height:1.3; }
.hub-core span { font-size:0.68rem; opacity:0.7; }
.hub-orbit {
    position:absolute; inset:0;
    border:1px dashed rgba(26,58,92,0.15); border-radius:50%;
    animation:orbitSpin 60s linear infinite;
}
@keyframes orbitSpin { to { transform:rotate(360deg); } }
.hub-node {
    position:absolute; top:50%; left:50%;
    width:100px; transform:rotate(var(--angle)) translateX(220px) rotate(calc(-1 * var(--angle)));
    margin:-50px 0 0 -50px; text-align:center; cursor:pointer;
    animation:orbitCounterSpin 60s linear infinite;
    transition:var(--transition);
}
@keyframes orbitCounterSpin { to { transform:rotate(var(--angle)) translateX(220px) rotate(calc(-1 * var(--angle) - 360deg)); } }
.hub-node:hover { transform:rotate(var(--angle)) translateX(220px) rotate(calc(-1 * var(--angle))) scale(1.1); }
.node-icon {
    width:52px; height:52px; border-radius:14px; background:#fff;
    border:1px solid var(--border-color); display:flex; align-items:center;
    justify-content:center; margin:0 auto 8px; color:var(--navy);
    box-shadow:var(--shadow-sm); transition:var(--transition);
}
.hub-node:hover .node-icon { box-shadow:var(--shadow-lg); border-color:var(--navy); }
.node-icon svg { width:22px; height:22px; }
.hub-node span { font-size:0.72rem; font-weight:600; color:var(--text-secondary); white-space:nowrap; }

/* ============================================
   CTA + CONTATTI
   ============================================ */
.section-cta { background:var(--bg-secondary); padding:100px 0 60px; }
.cta-wrapper { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start; }
.cta-text .section-tag { margin-bottom:20px; }
.cta-text h2 { font-size:2.2rem; font-weight:800; letter-spacing:-1px; margin-bottom:20px; line-height:1.2; color:var(--text-primary); }
.cta-text > p { color:var(--text-secondary); font-size:1.05rem; line-height:1.8; margin-bottom:32px; }
.contact-info { display:flex; flex-direction:column; gap:16px; }
.contact-item { display:flex; align-items:center; gap:14px; color:var(--text-secondary); font-size:0.95rem; }
.contact-item svg { width:20px; height:20px; color:var(--accent); min-width:20px; }
.contact-item a { color:var(--text-secondary); }
.contact-item a:hover { color:var(--accent); }

/* FORM */
.cta-form form {
    background:var(--bg-primary); border:1px solid var(--border-color);
    border-radius:var(--radius-lg); padding:40px; box-shadow:var(--shadow);
}
.cta-form h3 { font-size:1.3rem; font-weight:700; margin-bottom:28px; text-align:center; color:var(--text-primary); }
.form-group { margin-bottom:20px; }
.form-group label { display:block; font-size:0.85rem; font-weight:600; color:var(--text-secondary); margin-bottom:8px; }
.form-optional { font-weight:400; color:var(--text-muted); }
.form-group input,
.form-group textarea {
    width:100%; padding:12px 16px; background:var(--bg-secondary);
    border:1px solid var(--border-color); border-radius:8px; color:var(--text-primary);
    font-size:0.95rem; font-family:inherit; transition:var(--transition);
}
.form-group input:focus,
.form-group textarea:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(26,58,92,0.06); background:var(--bg-primary); }
.form-group input::placeholder { color:var(--text-muted); }
.form-check { display:flex; align-items:flex-start; gap:12px; }
.form-check input[type="checkbox"] { width:auto; margin-top:3px; accent-color:var(--accent); }
.form-check label { font-size:0.8rem; color:var(--text-muted); margin-bottom:0; cursor:pointer; }
.cta-form .btn { margin-top:8px; font-size:1.05rem; padding:16px; }

/* ============================================
   FOOTER
   ============================================ */
.footer { padding:48px 0 32px; border-top:1px solid var(--border-color); background:var(--navy); color:rgba(255,255,255,0.6); }
.footer .logo-revilaw { color:#fff; }
.footer .logo-img { filter:brightness(0) invert(1); }
.footer .logo-spa { color:#8bb8d4; }
.footer-content { display:flex; align-items:center; justify-content:space-between; margin-bottom:32px; }
.footer-brand p { color:rgba(255,255,255,0.4); font-size:0.85rem; margin-top:4px; }
.footer-links { display:flex; gap:24px; }
.footer-links a { color:rgba(255,255,255,0.5); font-size:0.85rem; }
.footer-links a:hover { color:#8bb8d4; }
.footer-bottom { text-align:center; padding-top:24px; border-top:1px solid rgba(255,255,255,0.1); }
.footer-bottom p { color:rgba(255,255,255,0.4); font-size:0.8rem; }
.footer-legal { margin-top:4px; font-size:0.75rem!important; }

/* ============================================
   GANTT WIDE LAYOUT (13-column: Apr-Dec + Jan-Apr+1)
   ============================================ */
.gantt-chart-wide .gantt-months { display:flex; flex:1; }
.gantt-chart-wide .gantt-months.gantt-months-16 { display:flex; flex:1; }
.gantt-year-group { display:flex; flex-direction:column; }
.gantt-year-group:first-child { flex:9; border-right:1px solid var(--border-color); }
.gantt-year-group:last-child { flex:4; }
.gantt-year-label {
    text-align:center; font-size:0.64rem; font-weight:700; letter-spacing:1.5px;
    text-transform:uppercase; color:var(--text-muted); padding:8px 0 4px;
    border-bottom:1px solid #f1f5f9;
}
.gantt-month-cells { display:grid; flex:1; }
.gantt-year-group:first-child .gantt-month-cells { grid-template-columns:repeat(9,1fr); }
.gantt-year-group:last-child .gantt-month-cells { grid-template-columns:repeat(4,1fr); }
.gantt-month-cells span {
    padding:10px 4px; text-align:center; font-size:0.7rem; font-weight:600;
    color:var(--text-secondary); text-transform:uppercase; letter-spacing:0.5px;
}

/* Highlight "Apr" in Year N+1 as the delivery month */
.gantt-year-group:last-child .gantt-month-cells span:last-child {
    color:var(--navy); font-weight:700; position:relative;
}
.gantt-year-group:last-child .gantt-month-cells span:last-child::after {
    content:''; position:absolute; bottom:0; left:30%; right:30%; height:2px;
    background:var(--navy);
}

/* ============================================
   RISPARMIO (Savings Breakdown)
   ============================================ */
.risparmio-flow { display:flex; flex-direction:column; gap:24px; max-width:900px; margin:0 auto; }
.risparmio-source {
    display:flex; gap:24px; align-items:flex-start; background:#fff;
    border:1px solid var(--border-color); border-radius:var(--radius-lg);
    padding:32px; transition:var(--transition); position:relative; overflow:hidden;
}
.risparmio-source::before {
    content:''; position:absolute; left:0; top:0; bottom:0; width:4px;
    background:var(--navy); transform:scaleY(0); transform-origin:top;
    transition:transform 0.4s ease;
}
.risparmio-source:hover { box-shadow:var(--shadow-lg); transform:translateY(-2px); }
.risparmio-source:hover::before { transform:scaleY(1); }
.risparmio-source-icon {
    width:52px; height:52px; flex-shrink:0; border-radius:14px; color:#fff;
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 4px 14px rgba(0,0,0,0.15);
}
.risparmio-source-icon svg { width:24px; height:24px; }
.risparmio-source-content { flex:1; min-width:0; }
.risparmio-source-content h4 { font-size:1.08rem; font-weight:700; margin-bottom:8px; color:var(--text-primary); }
.risparmio-source-content > p { font-size:0.9rem; line-height:1.75; color:var(--text-secondary); margin-bottom:16px; }
.risparmio-source-content > p strong { color:var(--text-primary); font-weight:700; }
.risparmio-example {
    background:var(--bg-secondary); border:1px solid var(--border-color); border-left:3px solid var(--navy);
    border-radius:8px; padding:16px 20px; font-size:0.85rem; line-height:1.65; color:var(--text-secondary);
}
.example-label {
    display:inline-block; font-size:0.72rem; font-weight:700; text-transform:uppercase;
    letter-spacing:1.2px; color:var(--navy); margin-bottom:6px;
}
.risparmio-waterfall-wrap {
    max-width:900px; margin:60px auto 0; padding:36px; background:#fff;
    border:1px solid var(--border-color); border-radius:var(--radius-lg); box-shadow:var(--shadow);
}
.risparmio-chart-title { font-size:1rem; font-weight:700; margin-bottom:24px; text-align:center; color:var(--text-primary); }
.risparmio-waterfall-wrap canvas { width:100%!important; display:block; margin:0 auto; }

/* ============================================
   FADE-IN ANIMATION
   ============================================ */
.fade-in { opacity:0; transform:translateY(24px); transition:opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity:1; transform:translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width:1024px) {
    .metodo-layout { grid-template-columns:1fr; gap:40px; }
    .radar-chart-wrap { order:2; }
    .pilastri-list { order:1; }
    .roi-simulator { grid-template-columns:1fr; }
    .roi-inputs { position:static; }
    .cta-wrapper { grid-template-columns:1fr; gap:40px; }
    .servizi-hub { width:440px; height:440px; margin:0 auto; }
    .hub-center { width:120px; height:120px; }
    .hub-core strong { font-size:0.88rem; }
    .hub-node { transform:rotate(var(--angle)) translateX(186px) rotate(calc(-1 * var(--angle))); margin:-45px 0 0 -45px; }
    .servizio-popover { width:clamp(280px, 82%, 360px); padding:26px 28px; }
    .servizio-popover h3 { font-size:1.15rem; }
    .servizio-popover > p { font-size:0.84rem; }
}

/* ============================================
   PRINCIPI - Foundational principles section
   ============================================ */
.principi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    max-width: 1080px;
    margin: 0 auto;
    align-items: start;
}
.principio-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 36px 32px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.principio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--navy), var(--navy-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}
.principio-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.principio-card:hover::before {
    transform: scaleX(1);
}
.principio-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}
.principio-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 18px rgba(26, 58, 92, 0.22);
    flex-shrink: 0;
}
.principio-icon svg {
    width: 26px;
    height: 26px;
}
.principio-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    padding: 5px 14px 5px 5px;
    background: var(--accent-bg);
    border: 1px solid var(--accent-border, #c8d8e8);
    border-radius: 999px;
    line-height: 1;
}
.principio-eyebrow-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    height: 26px;
    padding: 0 8px;
    border-radius: 999px;
    background: var(--accent);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
}
.principio-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.45rem;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.3px;
    color: var(--text-primary);
    margin-bottom: 16px;
}
.principio-lead {
    font-size: 1rem;
    line-height: 1.65;
    color: var(--text-primary);
    margin-bottom: 14px;
    padding: 14px 18px;
    background: var(--accent-bg);
    border-left: 3px solid var(--accent);
    border-radius: 8px;
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
}
.principio-card > p {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: 14px;
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
}
.principio-card > p strong {
    color: var(--text-primary);
}

/* Callout: paragrafo evidenziato all'interno della card */
.principio-callout {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin: 4px 0 16px;
    padding: 16px 18px;
    background: linear-gradient(135deg, #fff8e1 0%, #fffdf5 100%);
    border-left: 3px solid #d4a444;
    border-radius: 8px;
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
}
.principio-callout strong { color: var(--text-primary); }

/* Variante "punto critico": stessa forma del callout ma con flag
   in alto e colorazione rossa attenuata per segnalare il rischio */
.principio-callout-key {
    background: linear-gradient(135deg, #fff5f5 0%, #fffafa 100%);
    border-left: 3px solid #b91c1c;
    padding-top: 14px;
    position: relative;
}
.principio-callout-flag {
    display: inline-block;
    margin-bottom: 8px;
    padding: 3px 10px;
    background: #b91c1c;
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: 999px;
    line-height: 1.4;
}
.principio-callout-key strong { color: #1a1a1a; }

/* Collapsible details (apri "casi tipici" / "ambiti di supporto") */
.principio-details {
    margin: 14px 0 4px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #ffffff;
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.principio-details[open] {
    border-color: var(--accent);
    box-shadow: 0 6px 20px rgba(26, 58, 92, 0.06);
}
.principio-details-summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    color: var(--accent);
    transition: background 0.2s ease, color 0.2s ease;
    user-select: none;
}
.principio-details-summary::-webkit-details-marker { display: none; }
.principio-details-summary::marker { display: none; content: ''; }
.principio-details-summary:hover {
    background: var(--accent-bg);
}
.principio-details-summary:hover .principio-details-mark {
    background: var(--accent);
    color: #ffffff;
    transform: scale(1.05);
}
.principio-details[open] .principio-details-summary {
    background: var(--accent-bg);
    border-bottom: 1px solid var(--border-color);
}
.principio-details[open] .principio-details-mark {
    background: var(--accent);
    color: #ffffff;
}
.principio-details-mark {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.principio-details-mark svg {
    width: 18px;
    height: 18px;
}
.principio-details-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.principio-details-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}
.principio-details-helper {
    font-family: 'Inter', sans-serif;
    font-size: 0.78rem;
    font-weight: 500;
    line-height: 1.35;
    color: var(--text-secondary);
}
.principio-details-meta {
    flex-shrink: 0;
    min-width: 28px;
    height: 28px;
    padding: 0 9px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 800;
    color: #ffffff;
    background: var(--accent);
    border-radius: 999px;
    letter-spacing: 0;
}
.principio-details-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--accent);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.principio-details[open] .principio-details-icon {
    transform: rotate(180deg);
}
.principio-details-body {
    padding: 16px 18px 14px;
    background: var(--bg-secondary);
    animation: principioFadeIn 0.3s ease-out;
}
@keyframes principioFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Sub-block "Casi tipici di non indipendenza" */
.principio-block {
    margin: 4px 0 18px;
    padding: 18px 18px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}
.principio-block-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.86rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin: 0 0 10px;
}
.principio-block-intro {
    font-size: 0.9rem;
    line-height: 1.65;
    color: var(--text-secondary);
    margin: 0 0 14px;
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
}
.principio-block-intro strong { color: var(--text-primary); }
.principio-cases {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.principio-cases li {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 16px;
    padding: 12px 0;
    border-top: 1px dashed var(--border-color);
    align-items: start;
}
.principio-cases li:first-child {
    border-top: none;
    padding-top: 0;
}
.principio-case-tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background: var(--accent-bg);
    border: 1px solid var(--accent-border, #c8d8e8);
    border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: -0.01em;
    line-height: 1.3;
    width: max-content;
    max-width: 100%;
    flex-shrink: 0;
}
.principio-case-text {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
}
.principio-case-text strong { color: var(--text-primary); }
@media (max-width: 600px) {
    .principio-cases li {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    .principio-case-text {
        text-align: left;
        hyphens: none;
        -webkit-hyphens: none;
    }
    .principio-block { padding: 16px 14px 12px; }
    .principio-lead,
    .principio-card > p,
    .principio-callout,
    .principio-block-intro {
        text-align: left;
        hyphens: none;
        -webkit-hyphens: none;
    }
    .principio-details-summary {
        gap: 10px;
        padding: 12px 14px;
    }
    .principio-details-mark {
        width: 34px;
        height: 34px;
        border-radius: 10px;
    }
    .principio-details-mark svg { width: 16px; height: 16px; }
    .principio-details-label { font-size: 0.88rem; }
    .principio-details-helper { display: none; }
}
.principio-citation {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px dashed var(--border-color);
}
.principio-citation-tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}
@media (max-width: 900px) {
    .principi-grid { grid-template-columns: 1fr; gap: 20px; }
    .principio-card { padding: 28px 24px 24px; }
    .principio-card h3 { font-size: 1.3rem; }
    .principio-lead { font-size: 0.95rem; padding: 12px 14px; }
    .principio-card > p { font-size: 0.92rem; }
}
@media (max-width: 480px) {
    .principio-card { padding: 24px 20px 20px; }
    .principio-icon { width: 44px; height: 44px; }
    .principio-icon svg { width: 22px; height: 22px; }
    .principio-card h3 { font-size: 1.18rem; }
}

@media (max-width:768px) {
    .hero-stats { flex-direction:column; gap:20px; }
    .stat-divider { width:40px; height:1px; }
    .step-card { flex-direction:column; padding:28px; }
    .step-checklist { grid-template-columns:1fr; }
    .benefici-grid { grid-template-columns:1fr; }
    .roi-kpi-grid { grid-template-columns:1fr; }
    .gantt-label-col { width:120px; font-size:0.68rem; }
    .gantt-row-label { width:120px; font-size:0.72rem; padding:10px 6px; }
    .gantt-month-cells span { font-size:0.55rem; padding:6px 1px; }
    .gantt-year-label { font-size:0.6rem; }
    .risparmio-source { flex-direction:column; gap:16px; padding:24px; }
    .attivita-cards { grid-template-columns:1fr; }
    .ore-triennio { grid-template-columns:1fr; }
    .risparmio-waterfall-wrap { padding:20px 12px; }
    .cta-wrapper { grid-template-columns:1fr; gap:32px; }
    .cta-form form { padding:28px; }
    .footer-content { flex-direction:column; gap:20px; text-align:center; }
    .footer-links { flex-wrap:wrap; justify-content:center; }
    .servizi-hub { width:320px; height:320px; }
    .hub-center { width:90px; height:90px; }
    .hub-core strong { font-size:0.75rem; }
    .hub-core span { font-size:0.6rem; }
    .hub-node { transform:rotate(var(--angle)) translateX(130px) rotate(calc(-1 * var(--angle))); margin:-40px 0 0 -40px; width:80px; }
    .node-icon { width:40px; height:40px; }
    .node-icon svg { width:18px; height:18px; }
    .hub-node span { font-size:0.62rem; }
    .nav-back { width:30px; height:30px; }
    .nav-back svg { width:16px; height:16px; }
    .nav-divider { display:none; }
    .nav-links {
        display:none; position:fixed; top:0; left:0; right:0; bottom:0;
        background:rgba(15,30,46,0.98); flex-direction:column; justify-content:center;
        align-items:center; gap:28px; z-index:999;
    }
    .nav-links.active { display:flex; }
    .nav-links a { color:#fff!important; font-size:1.2rem; }
    .hamburger { display:flex; z-index:1001; }
}

@media (max-width:480px) {
    .section { padding:60px 0; }
    .section-header { margin-bottom:36px; }
    .servizi-hub { width:280px; height:280px; }
    .hub-node { transform:rotate(var(--angle)) translateX(110px) rotate(calc(-1 * var(--angle))); margin:-35px 0 0 -35px; width:70px; }
}