/* ==========================================================================
   TITIS.it — INDEX.CSS (Homepage)
   Versione: 2.0 — Refactoring Giugno 2026
   Dipendenze: global.css (caricato prima)
   Nota: Questo file contiene SOLO stili specifici della homepage.
         Scroll-reveal, FAQ accordion, overline, grid → già in global.css.
   ========================================================================== */


/* ==========================================================================
   1. HERO
   ========================================================================== */
.index-hero {
    background-image:
        linear-gradient(
            160deg,
            rgba(19, 28, 38, 0.82) 0%,
            rgba(19, 28, 38, 0.65) 100%
        ),
        url('../assets/images/Home Page.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 80vh;
    display: flex;
    align-items: center;
    color: var(--text-light);
    padding: 80px 0;
}

.hero-wrapper {
    max-width: 720px;
}

.hero-overline {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.hero-overline .decor-line {
    background-color: var(--accent);
}

.hero-overline span {
    font-family: var(--font-titles);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
}

.hero-wrapper h1 {
    font-size: clamp(2.2rem, 5.5vw, 3.8rem);
    line-height: 1.15;
    margin-bottom: var(--space-5);
    color: var(--text-light);
}

.hero-p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-8);
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

@media (min-width: 576px) {
    .hero-buttons {
        flex-direction: row;
        gap: var(--space-4);
    }
}

@media (min-width: 768px) {
    .index-hero {
        min-height: 88vh;
        padding: 120px 0;
    }
}


/* ==========================================================================
   2. SEZIONE: 35 ANNI DI TECNOLOGIA
   ========================================================================== */
.section-history {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
}

.section-history h2 {
    margin-bottom: var(--space-6);
}

.p-highlight {
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: var(--space-5);
}

.p-sub {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
}


/* ==========================================================================
   3. SEZIONE: I 4 PILASTRI DEL SUCCESSO DIGITALE
   ========================================================================== */
.section-pillars {
    background-color: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

/* Intestazione asimmetrica a 3 blocchi */
.pillars-header-block {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.pillars-title-side h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    line-height: 1.15;
    margin-bottom: 0;
}

/* Linea di connessione centrale — solo desktop */
.pillars-connector-line {
    display: none;
    height: 1px;
    background-color: var(--border-color);
    flex-grow: 1;
    margin: 0 var(--space-8);
    align-self: center;
}

/* Blocco descrizione destra */
.desc-tag {
    font-family: var(--font-titles);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
    margin-bottom: var(--space-3);
}

.pillars-desc-side .desc-internal-box {
    border-left: 2px solid var(--accent);
    padding-left: var(--space-5);
}

.pillars-desc-side p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* Layout desktop 3 colonne affiancate */
@media (min-width: 992px) {
    .pillars-header-block {
        flex-direction: row;
        align-items: center;
    }
    .pillars-title-side {
        width: 42%;
        flex-shrink: 0;
    }
    .pillars-connector-line {
        display: block;
    }
    .pillars-desc-side {
        width: 38%;
        flex-shrink: 0;
    }
}

/* --- Card Pilastro --- */
.pillar-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 36px 30px;
    background-color: var(--bg-white);
    border: 1px solid transparent;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-xs);
    transition:
        transform var(--transition-smooth),
        box-shadow var(--transition-base),
        border-color var(--transition-base);
}

.pillar-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.pillar-icon {
    color: var(--primary);
    background-color: var(--primary-alpha);
    padding: 12px;
    border-radius: var(--radius-btn);
    margin-bottom: var(--space-6);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition:
        background-color var(--transition-base),
        color var(--transition-base);
}

.pillar-card:hover .pillar-icon {
    background-color: var(--primary);
    color: var(--text-light);
}

.pillar-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-3);
    color: var(--text-main);
}

.pillar-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.65;
    flex-grow: 1;
    margin-bottom: var(--space-6);
}

.pillar-link {
    font-family: var(--font-titles);
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: gap var(--transition-base), color var(--transition-base);
}

.pillar-link:hover {
    gap: var(--space-3);
    color: var(--text-main);
}


/* ==========================================================================
   4. SEZIONE: IL METODO TITIS (Sfondo scuro)
   ========================================================================== */
.section-method {
    background-color: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

/* Texture di sfondo sottile */
.section-method::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(
        ellipse 80% 60% at 50% 0%,
        rgba(0, 95, 152, 0.08) 0%,
        transparent 70%
    );
    pointer-events: none;
}

.method-header {
    margin-bottom: var(--space-16);
}

.method-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    color: var(--text-light);
    margin: 0;
}

/* Timeline container */
.method-timeline-container {
    position: relative;
    width: 100%;
}

/* Linea orizzontale di connessione — solo desktop */
.timeline-connecting-line {
    display: none;
}

@media (min-width: 992px) {
    .method-grid {
        gap: var(--space-6);
    }
    .timeline-connecting-line {
        display: block;
        position: absolute;
        top: 60%;
        left: 0;
        width: 100%;
        height: 1px;
        background: linear-gradient(
            90deg,
            transparent 0%,
            rgba(255,255,255,0.07) 10%,
            rgba(255,255,255,0.07) 90%,
            transparent 100%
        );
        z-index: 1;
        pointer-events: none;
    }
}

/* Step wrapper (contiene numero background + card) */
.method-step-wrapper {
    position: relative;
    padding-top: 44px;
}

/* Numero gigante di sfondo */
.step-bg-number {
    position: absolute;
    top: 0;
    left: 8px;
    font-family: var(--font-titles);
    font-size: clamp(4rem, 6vw, 5.5rem);
    font-weight: 700;
    line-height: 1;
    color: rgba(255, 255, 255, 0.04);
    z-index: 1;
    pointer-events: none;
    user-select: none;
}

/* Card del metodo */
.method-card {
    position: relative;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-card);
    padding: 32px 26px;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition:
        background-color var(--transition-base),
        border-color var(--transition-base),
        transform var(--transition-smooth);
}

.method-card:hover {
    background-color: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.14);
    transform: translateY(-4px);
}

.step-badge {
    font-family: var(--font-titles);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
    margin-bottom: var(--space-4);
    letter-spacing: 0.5px;
}

.method-card h3 {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: var(--space-4);
}

.method-card p {
    font-size: 0.95rem;
    color: var(--text-muted-dark);
    line-height: 1.65;
    margin: 0;
}

/* Pallino colorato */
.timeline-dot {
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 7px;
    height: 7px;
    border-radius: 50%;
    z-index: 10;
}

.dot-yellow {
    background-color: var(--accent);
    box-shadow: 0 0 10px rgba(252, 212, 0, 0.6);
}

.dot-blue {
    background-color: #0087db;
    box-shadow: 0 0 10px rgba(0, 135, 219, 0.6);
}

@media (max-width: 991px) {
    .timeline-dot { display: none; }
    .method-step-wrapper { padding-top: 36px; }
}


/* ==========================================================================
   5. SEZIONE: STATISTICHE
   ========================================================================== */
.section-stats {
    background-color: var(--bg-primary);
}

.stats-header {
    max-width: 820px;
    margin: 0 auto var(--space-16) auto;
    text-align: center;
}

.stats-header h2 {
    font-size: clamp(1.7rem, 3.5vw, 2.3rem);
    line-height: 1.25;
    color: var(--text-main);
    margin-bottom: var(--space-5);
}

/* Griglia 2×2 */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    max-width: 880px;
    margin: 0 auto;
}

@media (min-width: 576px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Card statistica */
.stat-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-card);
    padding: 48px var(--space-8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition:
        transform var(--transition-smooth),
        box-shadow var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Bordo superiore colorato */
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    border-radius: var(--radius-card) var(--radius-card) 0 0;
}

.card-border-blue::before  { background-color: var(--primary); }
.card-border-gold::before  { background-color: var(--accent-dark); }

/* Numero */
.stat-number-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: var(--space-4);
}

.stat-number {
    font-family: var(--font-titles);
    font-size: clamp(2.8rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    letter-spacing: -1px;
}

.stat-number.text-gold {
    color: var(--accent-dark);
}

/* Linea decorativa che taglia il numero */
.stat-deco-line {
    position: absolute;
    left: -8px; right: -8px;
    top: 56%;
    height: 1px;
    background-color: rgba(0, 95, 152, 0.12);
    pointer-events: none;
}

.stat-label {
    font-family: var(--font-titles);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}


/* ==========================================================================
   6. SEZIONE: PARTNERS CAROUSEL
   ========================================================================== */
.section-partners {
    background-color: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}

.partners-header {
    text-align: center;
    margin-bottom: var(--space-10);
}

.partners-title {
    font-family: var(--font-titles);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Struttura carosello */
.partners-relative-container {
    position: relative;
}

.carousel-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    position: relative;
}

.carousel-viewport {
    overflow: hidden;
    width: 100%;
    padding: var(--space-3) 0;
}

.carousel-track {
    display: flex;
    transition: transform 0.55s cubic-bezier(0.25, 1, 0.5, 1);
    will-change: transform;
}

/* Elemento logo: 6 visibili su desktop */
.partner-logo-item {
    flex: 0 0 calc(100% / 6);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 var(--space-5);
    filter: grayscale(0%);
    opacity: 1;
    transition:
        filter var(--transition-base),
        opacity var(--transition-base);
}

.partner-logo-item:hover {
    filter: grayscale(0%);
    opacity: 1;
}

.partner-logo-item img {
    height: 45px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    pointer-events: block;
}

/* Frecce */
.carousel-btn {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.carousel-btn:hover {
    background-color: var(--primary);
    color: var(--text-light);
    border-color: var(--primary);
    transform: scale(1.08);
    box-shadow: var(--shadow-md);
}

/* Responsive partners */
@media (max-width: 1200px) {
    .partner-logo-item { flex: 0 0 calc(100% / 4); }
}

@media (max-width: 768px) {
    .partner-logo-item {
        flex: 0 0 calc(100% / 3);
        padding: 0 var(--space-4);
        filter: grayscale(0%);
        opacity: 1;
    }
    .carousel-btn {
        display: none;
    }
    .carousel-viewport {
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }
    .partner-logo-item {
        scroll-snap-align: center;
    }
}

@media (max-width: 480px) {
    .partner-logo-item { flex: 0 0 calc(100% / 2); }
}


/* ==========================================================================
   7. BOTTONE SECONDARIO HERO — Variante ghost su sfondo scuro
      (override locale: nella hero il btn-secondary usa border bianco, non blu)
   ========================================================================== */
.index-hero-btn-sec {
    border-color: rgba(255, 255, 255, 0.7);
    color: var(--text-light);
}
.index-hero-btn-sec:hover {
    background-color: var(--text-light);
    color: var(--bg-dark);
    border-color: var(--text-light);
    box-shadow: none;
}


/* ==========================================================================
   8. CAROSELLO — Posizionamento frecce assolute
      (rimosso da .carousel-btn in global per non forzare il position su tutti i contesti)
   ========================================================================== */
.btn-prev {
    left: -21px;
}

.btn-next {
    right: -21px;
}

/* Posizione assoluta SOLO su desktop — su mobile le frecce sono nascoste */
@media (min-width: 769px) {
    .carousel-btn {
        position: absolute;
        z-index: 10;
    }
}


/* ==========================================================================
   9. FIX FLUSSO SEZIONE PILASTRI → METODO
      Gestione dei flussi nativi senza conflitti
   ========================================================================== */
.section-pillars {
    display: block;
    position: relative;
    background-color: var(--bg-primary);
    /* Rilascia 120px di spazio chiaro sotto le card prima che inizi il blu scuro */
    padding-bottom: var(--space-30); 
}

/* Margine di sicurezza sotto la griglia per forzare l'anti-incollo */
.pillars-cards-grid {
    margin-bottom: var(--space-16); 
}

.section-method {
    display: block;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-dark);
    /* Genera lo stacco e l'ingresso simmetrico per il titolo del metodo */
    padding-top: var(--space-30); 
    padding-bottom: var(--space-30);
}

/* Adattamento reattivo per schermi Mobile */
@media (max-width: 767px) {
    .section-pillars {
        padding-bottom: var(--space-16); /* Ridotto a 64px su mobile per fluidità */
    }
    .pillars-cards-grid {
        margin-bottom: 0;
    }
    .section-method {
        padding-top: var(--space-16);
        padding-bottom: var(--space-16);
    }
}

/* ==========================================================================
   10. SEZIONE FAQ — Override locali (struttura base in global.css)
    ========================================================================== */

/* Colore overline sidebar FAQ: su homepage usa il blu primario (non oro) */
.section-faq .faq-sidebar .overline {
    color: var(--primary);
}

/* Padding specifico della homepage */
.section-faq {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
}

/* Override faq-title e faq-question su mobile */
@media (max-width: 991px) {
    .faq-title {
        font-size: clamp(1.8rem, 5vw, 2.2rem);
    }
    .faq-question {
        font-size: 1.1rem;
    }
}