/* ============================================================
   YottaNet Business — design system e componenti
   Sezione B2B del sito (business.aspx, business-prodotto.aspx,
   business-private-network.aspx, business-richiesta.aspx, blog).
   Si appoggia a Bootstrap 5 + tema Porto già caricati: qui solo
   token di brand e componenti "yn-*" riutilizzabili.
   ============================================================ */

:root {
    /* Colori brand (dal logo YottaNet: blu/teal + verde) */
    --yn-blue: #0073ce;
    --yn-blue-dark: #004f8f;
    --yn-blue-light: #e6f1fb;
    --yn-teal: #2a9db0;
    --yn-green: #9bc74f;
    --yn-green-dark: #5b9a1f;
    --yn-navy: #16283a;
    --yn-navy-2: #21374d;
    /* Neutri */
    --yn-text: #1f2933;
    --yn-muted: #5a6b7b;
    --yn-border: #dce3ea;
    --yn-bg: #f4f7fa;
    --yn-white: #ffffff;
    /* Stato */
    --yn-warning: #e0a400;
    --yn-warning-bg: #fff8e1;
    --yn-danger: #c62828;
    --yn-success: #2e7d32;
    /* Forma */
    --yn-radius: 10px;
    --yn-radius-sm: 6px;
    --yn-shadow: 0 6px 18px rgba(22, 40, 58, 0.08);
    --yn-shadow-lg: 0 14px 34px rgba(22, 40, 58, 0.14);
    /* Tipografia (Poppins già caricato dal tema) */
    --yn-font: "Poppins", Arial, sans-serif;
}

/* ---------- Base sezione business ---------- */
.yn-business { color: var(--yn-text); font-family: var(--yn-font); }
.yn-business h1, .yn-business h2, .yn-business h3, .yn-business h4 { color: var(--yn-navy); font-weight: 600; letter-spacing: -0.01em; }
.yn-business h1 { font-size: 2.25rem; line-height: 1.2; }
.yn-business h2 { font-size: 1.65rem; line-height: 1.25; margin-bottom: 1rem; }
.yn-business h3 { font-size: 1.2rem; line-height: 1.3; }
.yn-business p, .yn-business li { font-size: 1rem; line-height: 1.65; }
.yn-business .yn-lead { font-size: 1.15rem; color: var(--yn-muted); }
.yn-business a:not(.btn) { color: var(--yn-blue); }
.yn-business a:not(.btn):hover { color: var(--yn-blue-dark); }
.yn-section { padding: 3.5rem 0; }
.yn-section--alt { background: var(--yn-bg); }
.yn-section--dark { background: var(--yn-navy); color: #dbe4ee; }
.yn-section--dark h2, .yn-section--dark h3 { color: #ffffff; }
.yn-section--dark p { color: #c9d6e2; }
.yn-kicker { display: inline-block; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--yn-blue); margin-bottom: 0.5rem; }
.yn-section--dark .yn-kicker { color: var(--yn-green); }
.yn-max-70 { max-width: 70ch; }
.yn-center { margin-left: auto; margin-right: auto; }

/* ---------- Pulsanti ---------- */
.yn-btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; font-family: var(--yn-font); font-weight: 600; font-size: 0.95rem; padding: 0.75rem 1.4rem; border-radius: var(--yn-radius-sm); border: 2px solid transparent; text-decoration: none; line-height: 1.2; transition: background-color .15s, border-color .15s, color .15s; cursor: pointer; }
.yn-btn:focus-visible { outline: 3px solid var(--yn-green); outline-offset: 2px; }
.yn-btn--primary { background: var(--yn-blue); color: #fff !important; }
.yn-btn--primary:hover { background: var(--yn-blue-dark); color: #fff; }
.yn-btn--secondary { background: transparent; color: var(--yn-blue) !important; border-color: var(--yn-blue); }
.yn-btn--secondary:hover { background: var(--yn-blue-light); }
.yn-btn--light { background: #fff; color: var(--yn-navy) !important; border-color: #fff; }
.yn-btn--light:hover { background: #e9eef3; }
.yn-btn--outline-light { background: transparent; color: #fff !important; border-color: rgba(255,255,255,.7); }
.yn-btn--outline-light:hover { background: rgba(255,255,255,.12); }
.yn-btn--block { width: 100%; }
.yn-btn-group { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ---------- Badge ---------- */
.yn-badge { display: inline-block; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.3rem 0.65rem; border-radius: 999px; background: var(--yn-blue-light); color: var(--yn-blue-dark); }
.yn-badge--green { background: #eef6e0; color: var(--yn-green-dark); }
.yn-badge--navy { background: var(--yn-navy); color: #fff; }
.yn-badge--warning { background: var(--yn-warning-bg); color: #7a5a00; }

/* ---------- Hero ---------- */
.yn-hero { background: linear-gradient(135deg, var(--yn-navy) 0%, var(--yn-navy-2) 60%, #1e4d78 100%); color: #fff; padding: 3.5rem 0 3rem; }
.yn-hero h1 { color: #fff; font-size: 2.4rem; margin-bottom: 0.75rem; }
.yn-hero .yn-hero__sub { font-size: 1.2rem; color: #c9d6e2; max-width: 60ch; }
.yn-hero .yn-kicker { color: var(--yn-green); }
.yn-hero__price { display: flex; align-items: baseline; gap: 0.4rem; margin: 1.25rem 0; flex-wrap: wrap; }
.yn-hero__price .yn-price { font-size: 2.6rem; font-weight: 700; color: #fff; line-height: 1; }
.yn-hero__price .yn-price-note { font-size: 0.95rem; color: #c9d6e2; }
.yn-hero__quote { font-size: 1.6rem; font-weight: 600; color: #fff; margin: 1.25rem 0; }
.yn-hero__list { list-style: none; padding: 0; margin: 0 0 1.5rem; display: grid; gap: 0.4rem; }
.yn-hero__list li { padding-left: 1.6rem; position: relative; color: #e6edf3; }
.yn-hero__list li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 0.9rem; height: 0.9rem; border-radius: 50%; background: var(--yn-green); box-shadow: inset 0 0 0 3px var(--yn-navy-2); }
.yn-hero__media { background: #fff; border-radius: var(--yn-radius); padding: 0.75rem; box-shadow: var(--yn-shadow-lg); }
.yn-hero__media img { width: 100%; height: auto; display: block; border-radius: var(--yn-radius-sm); }
.yn-hero__note { font-size: 0.85rem; color: #aebccb; margin-top: 0.75rem; }

/* ---------- Card offerta ---------- */
.yn-offers { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.yn-offer { position: relative; background: #fff; border: 1px solid var(--yn-border); border-radius: var(--yn-radius); padding: 1.75rem 1.5rem 1.5rem; display: flex; flex-direction: column; box-shadow: var(--yn-shadow); color: var(--yn-text); }
.yn-offer--featured { border: 2px solid var(--yn-blue); }
.yn-offer__badge { position: absolute; top: -0.8rem; left: 1.25rem; }
.yn-offer__name { font-size: 1.15rem; font-weight: 600; color: var(--yn-navy); margin: 0 0 0.25rem; }
.yn-offer__sub { color: var(--yn-muted); font-size: 0.92rem; min-height: 2.6em; margin-bottom: 0.75rem; }
.yn-offer__price { display: flex; align-items: baseline; gap: 0.35rem; margin-bottom: 1rem; flex-wrap: wrap; }
.yn-offer__price .yn-price { font-size: 2rem; font-weight: 700; color: var(--yn-navy); line-height: 1; }
.yn-offer__price .yn-price-note { font-size: 0.85rem; color: var(--yn-muted); }
.yn-offer__price .yn-price--quote { font-size: 1.35rem; }
.yn-offer__features { list-style: none; padding: 0; margin: 0 0 1.5rem; flex: 1; }
.yn-offer__features li { position: relative; padding-left: 1.5rem; margin-bottom: 0.45rem; font-size: 0.95rem; }
.yn-offer__features li::before { content: "\2713"; position: absolute; left: 0; color: var(--yn-green-dark); font-weight: 700; }
.yn-offer__actions { display: grid; gap: 0.5rem; }
.yn-offer__foot { font-size: 0.78rem; color: var(--yn-muted); margin-top: 0.75rem; }

/* ---------- Card generica / benefici ---------- */
.yn-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.yn-grid--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.yn-card { background: #fff; border: 1px solid var(--yn-border); border-radius: var(--yn-radius); padding: 1.5rem; height: 100%; }
.yn-card--flat { background: var(--yn-bg); border-color: transparent; }
.yn-card__icon { width: 44px; height: 44px; border-radius: 10px; background: var(--yn-blue-light); color: var(--yn-blue); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; margin-bottom: 0.9rem; }
.yn-card h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.yn-card p { font-size: 0.95rem; color: var(--yn-muted); margin: 0; }
.yn-card a.yn-card__link { display: inline-block; margin-top: 0.75rem; font-weight: 600; font-size: 0.9rem; }

/* ---------- Passi / come funziona ---------- */
.yn-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); counter-reset: step; }
.yn-steps li { background: #fff; border: 1px solid var(--yn-border); border-radius: var(--yn-radius); padding: 1.25rem 1.25rem 1.25rem 3.6rem; position: relative; }
.yn-steps li::before { counter-increment: step; content: counter(step); position: absolute; left: 1.1rem; top: 1.1rem; width: 1.9rem; height: 1.9rem; border-radius: 50%; background: var(--yn-blue); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; }
.yn-steps strong { display: block; color: var(--yn-navy); margin-bottom: 0.2rem; }
.yn-steps span { font-size: 0.92rem; color: var(--yn-muted); }

/* ---------- Schema / figura ---------- */
.yn-figure { margin: 0; background: #fff; border: 1px solid var(--yn-border); border-radius: var(--yn-radius); padding: 1rem; }
.yn-figure img { width: 100%; height: auto; display: block; }
.yn-figure figcaption { font-size: 0.85rem; color: var(--yn-muted); margin-top: 0.6rem; text-align: center; }

/* ---------- Elenchi caratteristiche ---------- */
.yn-checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem 1.5rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.yn-checklist li { position: relative; padding-left: 1.7rem; }
.yn-checklist li::before { content: ""; position: absolute; left: 0; top: 0.45em; width: 1rem; height: 1rem; border-radius: 50%; background: var(--yn-green); }
.yn-checklist li::after { content: ""; position: absolute; left: 0.3rem; top: 0.62em; width: 0.4rem; height: 0.22rem; border-left: 2px solid #fff; border-bottom: 2px solid #fff; transform: rotate(-45deg); }

/* ---------- Tabella confronto (card su mobile) ---------- */
.yn-compare { width: 100%; border-collapse: separate; border-spacing: 0; background: #fff; border: 1px solid var(--yn-border); border-radius: var(--yn-radius); overflow: hidden; }
.yn-compare th, .yn-compare td { padding: 0.8rem 1rem; border-bottom: 1px solid var(--yn-border); text-align: left; vertical-align: top; font-size: 0.95rem; }
.yn-compare thead th { background: var(--yn-bg); color: var(--yn-navy); font-weight: 600; }
.yn-compare tbody tr:last-child td { border-bottom: 0; }
.yn-compare td:first-child { font-weight: 600; color: var(--yn-navy); width: 28%; }
@media (max-width: 767.98px) {
    .yn-compare thead { display: none; }
    .yn-compare, .yn-compare tbody, .yn-compare tr, .yn-compare td { display: block; width: 100%; }
    .yn-compare tr { border-bottom: 2px solid var(--yn-border); }
    .yn-compare td { border-bottom: 0; padding: 0.5rem 1rem; }
    .yn-compare td:first-child { background: var(--yn-bg); width: 100%; padding-top: 0.8rem; }
    .yn-compare td[data-label]::before { content: attr(data-label) ": "; font-weight: 600; color: var(--yn-navy); }
}

/* ---------- Alert / nota ---------- */
.yn-note { border-left: 4px solid var(--yn-blue); background: var(--yn-blue-light); padding: 1rem 1.25rem; border-radius: 0 var(--yn-radius-sm) var(--yn-radius-sm) 0; margin: 1.5rem 0; }
.yn-note--warning { border-left-color: var(--yn-warning); background: var(--yn-warning-bg); }
.yn-note--green { border-left-color: var(--yn-green-dark); background: #f1f8e7; }
.yn-note p:last-child { margin-bottom: 0; }
.yn-quote { font-size: 1.35rem; font-weight: 600; color: var(--yn-navy); border-left: 4px solid var(--yn-green); padding-left: 1.25rem; margin: 2rem 0; }

/* ---------- FAQ (details/summary, nessun JS) ---------- */
.yn-faq { display: grid; gap: 0.75rem; }
.yn-faq details { background: #fff; border: 1px solid var(--yn-border); border-radius: var(--yn-radius); padding: 0; }
.yn-faq summary { cursor: pointer; list-style: none; padding: 1rem 3rem 1rem 1.25rem; font-weight: 600; color: var(--yn-navy); position: relative; }
.yn-faq summary::-webkit-details-marker { display: none; }
.yn-faq summary::after { content: "+"; position: absolute; right: 1.25rem; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--yn-blue); line-height: 1; }
.yn-faq details[open] summary::after { content: "\2013"; }
.yn-faq summary:focus-visible { outline: 3px solid var(--yn-green); outline-offset: -3px; border-radius: var(--yn-radius); }
.yn-faq .yn-faq__body { padding: 0 1.25rem 1.1rem; color: var(--yn-text); }
.yn-faq .yn-faq__body p:last-child { margin-bottom: 0; }

/* ---------- CTA finale ---------- */
.yn-cta-band { background: var(--yn-blue); color: #fff; border-radius: var(--yn-radius); padding: 2.25rem 2rem; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.25rem; }
.yn-cta-band h2 { color: #fff; margin: 0 0 0.35rem; font-size: 1.5rem; }
.yn-cta-band p { margin: 0; color: #dbeafc; }
.yn-cta-band .yn-btn--light { color: var(--yn-blue-dark) !important; }

/* ---------- Form business ---------- */
.yn-form .yn-field { margin-bottom: 1.1rem; }
.yn-form label { display: block; font-weight: 600; font-size: 0.9rem; color: var(--yn-navy); margin-bottom: 0.3rem; }
.yn-form label .yn-req { color: var(--yn-danger); }
.yn-form .form-control, .yn-form .form-select { border: 1px solid var(--yn-border); border-radius: var(--yn-radius-sm); padding: 0.65rem 0.8rem; font-size: 0.95rem; min-height: 2.8rem; }
.yn-form .form-control:focus, .yn-form .form-select:focus { border-color: var(--yn-blue); box-shadow: 0 0 0 3px rgba(0, 115, 206, 0.18); outline: none; }
.yn-form .yn-help { font-size: 0.8rem; color: var(--yn-muted); margin-top: 0.25rem; }
.yn-form .yn-privacy { font-size: 0.82rem; color: var(--yn-muted); }
.yn-form-side { background: var(--yn-bg); border-radius: var(--yn-radius); padding: 1.5rem; }
.yn-form-side h3 { font-size: 1.05rem; }
.yn-form-side ul { padding-left: 1.1rem; margin: 0; }
.yn-form-side li { font-size: 0.92rem; margin-bottom: 0.35rem; }

/* ---------- Contenuto prodotto / articolo (HTML da CRM) ---------- */
.yn-content h2 { margin-top: 2.5rem; }
.yn-content h3 { margin-top: 1.75rem; }
.yn-content ul, .yn-content ol { padding-left: 1.3rem; }
.yn-content li { margin-bottom: 0.35rem; }
.yn-content img { max-width: 100%; height: auto; border-radius: var(--yn-radius-sm); }
.yn-content figure { margin: 1.75rem 0; }
.yn-content figcaption { font-size: 0.85rem; color: var(--yn-muted); text-align: center; margin-top: 0.5rem; }
.yn-content table { width: 100%; }
.yn-article__meta { font-size: 0.85rem; color: var(--yn-muted); margin-bottom: 1.25rem; }
.yn-article__hero { border-radius: var(--yn-radius); overflow: hidden; margin-bottom: 1.75rem; border: 1px solid var(--yn-border); }
.yn-article__hero img { width: 100%; height: auto; display: block; }
.yn-toc { background: var(--yn-bg); border-radius: var(--yn-radius); padding: 1.25rem 1.5rem; margin-bottom: 1.5rem; }
.yn-toc strong { display: block; margin-bottom: 0.4rem; color: var(--yn-navy); }
.yn-toc ol { margin: 0; padding-left: 1.2rem; }
.yn-toc li { font-size: 0.92rem; margin-bottom: 0.2rem; }
.yn-related { display: grid; gap: 0.6rem; }
.yn-related a { display: block; padding: 0.75rem 0.9rem; border: 1px solid var(--yn-border); border-radius: var(--yn-radius-sm); background: #fff; color: var(--yn-navy) !important; font-weight: 500; font-size: 0.92rem; }
.yn-related a:hover { border-color: var(--yn-blue); background: var(--yn-blue-light); }
.yn-sidebar-sticky { position: sticky; top: 110px; }

/* ---------- Breadcrumb ---------- */
.yn-breadcrumb { list-style: none; padding: 0; margin: 0 0 0.5rem; display: flex; flex-wrap: wrap; gap: 0.35rem; font-size: 0.82rem; color: #aebccb; }
.yn-breadcrumb li + li::before { content: "/"; margin-right: 0.35rem; color: #6d8195; }
.yn-breadcrumb a { color: #c9d6e2 !important; }
.yn-section .yn-breadcrumb { color: var(--yn-muted); }
.yn-section .yn-breadcrumb a { color: var(--yn-blue) !important; }

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
    .yn-hero { padding: 2.5rem 0 2rem; }
    .yn-hero h1 { font-size: 1.9rem; }
    .yn-hero__media { margin-top: 1.5rem; }
    .yn-sidebar-sticky { position: static; }
}
@media (max-width: 575.98px) {
    .yn-business h1 { font-size: 1.6rem; }
    .yn-hero h1 { font-size: 1.6rem; }
    .yn-business h2 { font-size: 1.35rem; }
    .yn-hero__price .yn-price { font-size: 2.1rem; }
    .yn-section { padding: 2.5rem 0; }
    .yn-cta-band { padding: 1.5rem 1.25rem; }
    .yn-btn { width: 100%; }
    .yn-btn-group .yn-btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
    .yn-btn { transition: none; }
}

/* ---------- Header: con la voce "Business" il menu principale deve restare su una riga ---------- */
@media (min-width: 992px) {
    #header .header-nav-main nav > ul > li > a { padding-left: 12px; padding-right: 12px; }
}