:root {
    --b2b: #2C3E7A;
    --b2b-light: #3a4f96;
    --b2b-dark: #1e2d5c;
    --b2b-bg: #f0f2f8;
    --b2b-card: #ffffff;
    --b2b-text: #1A1A1A;
    --b2b-muted: #6b7280;
    --b2b-border: #e2e5f0;
    --b2b-ok: #27ae60;
    --b2b-err: #e74c3c;
    --b2b-radius: 12px;
    --b2b-radius-sm: 8px;
    --b2b-shadow: 0 2px 12px rgba(44,62,122,0.08);
    --b2b-shadow-lg: 0 8px 32px rgba(44,62,122,0.12);
    --font-display: 'Caveat', cursive;
    --font-body: 'Nunito', sans-serif;
}

.b2b-hero {
    background: linear-gradient(135deg, var(--b2b) 0%, var(--b2b-dark) 100%);
    padding: 80px 20px 48px;
    text-align: center;
}

.b2b-hero-sm {
    padding: 70px 20px 32px;
}

.b2b-title {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 8px;
    line-height: 1.1;
}

.b2b-subtitle {
    font-family: var(--font-body);
    font-size: 1rem;
    color: rgba(255,255,255,0.75);
    margin: 0;
    font-weight: 300;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-sm {
    max-width: 520px;
}

.b2b-intro {
    padding: 40px 20px;
    text-align: center;
}

.b2b-intro p {
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: var(--b2b-muted);
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

.b2b-vantaggi {
    padding: 24px 20px 56px;
    background: var(--b2b-bg);
}

.b2b-vantaggi h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--b2b);
    text-align: center;
    margin: 0 0 32px;
}

.vantaggi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.vantaggio-card {
    background: var(--b2b-card);
    border-radius: var(--b2b-radius);
    padding: 24px 16px;
    text-align: center;
    box-shadow: var(--b2b-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.vantaggio-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--b2b-shadow-lg);
}

.vantaggio-icon {
    margin-bottom: 12px;
}

.vantaggio-card h3 {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--b2b);
    margin: 0 0 8px;
}

.vantaggio-card p {
    font-family: var(--font-body);
    font-size: 0.82rem;
    color: var(--b2b-muted);
    line-height: 1.5;
    margin: 0;
}

.b2b-cta {
    padding: 56px 20px;
    text-align: center;
}

.b2b-cta h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--b2b);
    margin: 0 0 12px;
}

.b2b-cta p {
    font-family: var(--font-body);
    color: var(--b2b-muted);
    margin: 0 0 28px;
    font-size: 1rem;
}

.b2b-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-b2b {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: 25px;
    padding: 12px 28px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    line-height: 1.4;
}

.btn-b2b-primary {
    background: var(--b2b);
    color: #ffffff;
}

.btn-b2b-primary:hover {
    background: var(--b2b-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(44,62,122,0.25);
}

.btn-b2b-outline {
    background: transparent;
    color: var(--b2b);
    border: 2px solid var(--b2b);
}

.btn-b2b-outline:hover {
    background: var(--b2b);
    color: #ffffff;
}

.btn-b2b-text {
    background: transparent;
    color: var(--b2b-muted);
    padding: 12px 16px;
}

.btn-b2b-text:hover {
    color: var(--b2b);
}

.btn-b2b-full {
    width: 100%;
}

.b2b-form-section {
    padding: 40px 20px 56px;
}

.form-intro {
    font-family: var(--font-body);
    color: var(--b2b-muted);
    margin: 0 0 24px;
    text-align: center;
    line-height: 1.6;
}

.b2b-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--b2b-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 12px 16px;
    border: 2px solid var(--b2b-border);
    border-radius: var(--b2b-radius-sm);
    background: #ffffff;
    color: var(--b2b-text);
    transition: border-color 0.2s ease;
    width: 100%;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--b2b);
    box-shadow: 0 0 0 3px rgba(44,62,122,0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='2' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-hint {
    font-family: var(--font-body);
    font-size: 0.78rem;
    color: var(--b2b-muted);
}

.hint-ok { color: var(--b2b-ok); }
.hint-err { color: var(--b2b-err); }
.hint-warn { color: #f39c12; }

.form-links {
    display: flex;
    justify-content: space-between;
    margin-top: 4px;
}

.form-links a {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--b2b);
    text-decoration: none;
}

.form-links a:hover {
    text-decoration: underline;
}

.form-footer-text {
    text-align: center;
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--b2b-muted);
    margin: 4px 0 0;
}

.form-footer-text a {
    color: var(--b2b);
    text-decoration: none;
    font-weight: 600;
}

.b2b-errore {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--b2b-err);
    padding: 12px 16px;
    border-radius: var(--b2b-radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-align: center;
}

.b2b-ok {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: var(--b2b-ok);
    padding: 12px 16px;
    border-radius: var(--b2b-radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-align: center;
}

.b2b-ok a { color: var(--b2b); font-weight: 600; }

.b2b-success {
    text-align: center;
    padding: 40px 0;
}

.b2b-success svg {
    margin-bottom: 16px;
}

.b2b-success h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--b2b-ok);
    margin: 0 0 12px;
}

.b2b-success p {
    font-family: var(--font-body);
    color: var(--b2b-muted);
    line-height: 1.6;
    margin: 0 0 24px;
}

.b2b-categorie {
    padding: 32px 20px 56px;
}

.b2b-istruzioni {
    font-family: var(--font-body);
    color: var(--b2b-muted);
    text-align: center;
    margin: 0 0 28px;
    font-size: 0.95rem;
}

.categorie-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.cat-card {
    background: var(--b2b-card);
    border: 2px solid var(--b2b-border);
    border-radius: var(--b2b-radius);
    padding: 24px 16px;
    text-align: center;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.cat-card:hover {
    border-color: var(--b2b);
    box-shadow: var(--b2b-shadow-lg);
}

.cat-icon {
    margin-bottom: 12px;
    color: var(--b2b);
}

.cat-card h3 {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--b2b-text);
    margin: 0 0 14px;
    line-height: 1.3;
}

.btn-cat-wa {
    font-size: 0.8rem;
    padding: 10px 16px;
    border-radius: 20px;
    width: 100%;
}

.b2b-nav-bottom {
    padding: 16px 20px 40px;
}

.b2b-nav-links {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.profilo-dati,
.profilo-edit,
.profilo-password {
    margin-bottom: 36px;
}

.profilo-dati h2,
.profilo-edit h2,
.profilo-password h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--b2b);
    margin: 0 0 16px;
}

.profilo-dati dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 16px;
    font-family: var(--font-body);
    font-size: 0.9rem;
}

.profilo-dati dt {
    font-weight: 600;
    color: var(--b2b-muted);
}

.profilo-dati dd {
    margin: 0;
    color: var(--b2b-text);
}

.profilo-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    padding-top: 16px;
    border-top: 1px solid var(--b2b-border);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
}

.modal-box {
    background: #ffffff;
    border-radius: var(--b2b-radius);
    padding: 32px 24px;
    max-width: 440px;
    width: 100%;
    box-shadow: 0 16px 48px rgba(0,0,0,0.2);
}

.modal-box h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--b2b);
    margin: 0 0 8px;
}

.modal-box p {
    font-family: var(--font-body);
    color: var(--b2b-muted);
    margin: 0 0 20px;
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .b2b-title { font-size: 3rem; }
    .b2b-hero { padding: 100px 20px 56px; }
    .vantaggi-grid { grid-template-columns: repeat(4, 1fr); }
    .categorie-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .vantaggio-card { padding: 32px 20px; }
    .cat-card { padding: 32px 20px; }
    .cat-card h3 { font-size: 1rem; }
}

@media (min-width: 1024px) {
    .categorie-grid { grid-template-columns: repeat(4, 1fr); }
}