/* =============================================
   SSSM 2026 - Summer School in Science Mapping
   Design System: Elegant Blue (#054577) + Gradient Logo
   ============================================= */

/* =============================================
   1. RESET E CONFIGURAZIONI BASE
   ============================================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* PALETTE COLORI PRINCIPALE - Questi sono i colori che usiamo */
    --primary-blue: #054577;           /* Blu principale - navbar, titoli, bottoni */
    --primary-blue-dark: #033554;      /* Blu scuro - gradienti, hover scuri */
    --primary-blue-light: #0766a3;     /* Blu chiaro - hover, link */
    --accent-blue: #1e90ff;            /* Azzurro accento - evidenziazioni */
    --gradient-start: #0066cc;         /* Inizio gradiente - effetti speciali */
    --gradient-end: #00ccff;           /* Fine gradiente - effetti speciali, cyan */
    
    /* COLORI NEUTRI - Per sfondi e testi */
    --white: #ffffff;                  /* Bianco puro */
    --gray-50: #f9fafb;               /* Grigio chiarissimo - sfondi cards */
    --gray-100: #f3f4f6;              /* Grigio molto chiaro - sfondi alternati */
    --gray-200: #e5e7eb;              /* Grigio chiaro - bordi */
    --gray-300: #d1d5db;              /* Grigio medio-chiaro - bordi hover */
    --gray-600: #4b5563;              /* Grigio medio - testi secondari */
    --gray-700: #374151;              /* Grigio medio-scuro - testi */
    --gray-800: #1f2937;              /* Grigio scuro - testo principale */
    --gray-900: #111827;              /* Grigio molto scuro - testi enfatizzati */
    
    /* SPACING */
    --spacing-xs: 0.2rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.5rem;
    --spacing-lg: 1rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* TYPOGRAPHY */
    --font-sans: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-display: 'Poppins', 'Helvetica Neue', Arial, sans-serif;
    
    /* TRANSITIONS */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* SHADOWS */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(5, 69, 119, 0.1);
    --shadow-lg: 0 10px 15px rgba(5, 69, 119, 0.15);
    --shadow-xl: 0 20px 25px rgba(5, 69, 119, 0.2);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

/* BODY - Modifica qui il colore di sfondo generale del sito */
body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--gray-800);              /* COLORE TESTO: Grigio scuro per leggibilità */
    background: var(--gray-50);          /* SFONDO PAGINA: Grigio chiarissimo invece di bianco puro */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 0 !important;
}

body.nav-fixed {
    padding-top: 0 !important;                  /* Spazio per navbar fixed */
}

#quarto-content {
    flex: 1;
    padding-top: 100px;
}

/* =============================================
   2. NAVBAR - Modifica qui i colori della barra di navigazione
   ============================================= */

#quarto-header {
    background: linear-gradient(135deg, var(--primary-blue) 10%, var(--primary-blue-light) 70%);
    /* SFONDO NAVBAR: Gradiente blu - cambia i colori qui se vuoi navbar diversa */
    
    box-shadow: 0 6px 20px rgba(5, 69, 119, 0.4);
    /* OMBRA NAVBAR: Aumenta/riduci il 0.4 per ombra più/meno pronunciata */
    
    border-bottom: 3px solid rgba(255, 255, 255, 0.2);
    /* BORDO NAVBAR: Linea bianca sotto la navbar */
    
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
}

#quarto-header.headroom--unpinned {
    transform: translateY(-100%);
}

#quarto-header.headroom--pinned {
    transform: translateY(0);
}

.navbar {
    padding: calc(var(--spacing-md) * 1) 0;
    width: 100%;
    min-height: 90px;
    display: flex;
    align-items: center;
}

.navbar-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
}

.navbar-brand-container {
    margin: 0 !important;
}

/* LOGO NAVBAR - Modifica dimensione e colore del logo */
.navbar-logo {
    height: 3500px;                        /* DIMENSIONE LOGO: Aumenta/riduci qui */
    width: auto;
    transition: transform var(--transition-normal), filter var(--transition-normal);
    /* filter: brightness(0) invert(1) drop-shadow(0 2px 8px rgba(255, 255, 255, 0.3)); */
    /* COLORE LOGO: brightness(0) invert(1) = bianco. Rimuovi per colore originale */
}

.navbar-logo:hover {
    transform: scale(1.08);              /* EFFETTO HOVER: Ingrandimento */
    filter: brightness(0) invert(1) drop-shadow(0 4px 12px rgba(255, 255, 255, 0.5));
}

/* LINK NAVIGAZIONE - Modifica qui i colori e stili dei link nella navbar */
.navbar-nav {
    gap: var(--spacing-sm);
    align-items: center;
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar-nav .nav-link {
    background: transparent;
    color: var(--white) !important;      /* COLORE TESTO LINK: Bianco */
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 1.2px;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    margin: 0;
    position: relative;
    overflow: hidden;
    display: inline-block;
}

/* EFFETTO HOVER LINK - Cosa succede quando passi il mouse sui link */
.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.navbar-nav .nav-link:hover::before {
    left: 100%;
}

.navbar-nav .nav-link:hover {
    background: rgba(255, 255, 255, 0.15);   /* SFONDO HOVER: Bianco semitrasparente */
    border-color: rgba(255, 255, 255, 0.3);  /* BORDO HOVER */
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* LINK ATTIVO - Pagina corrente */
.navbar-nav .nav-link.active {
    background: rgba(255, 255, 255, 0.2);    /* SFONDO LINK ATTIVO */
    border-color: rgba(255, 255, 255, 0.4);  /* BORDO LINK ATTIVO */
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.navbar-toggler {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 10px;
    border-radius: 8px;
}

.navbar-collapse {
    flex-grow: 1;
}

.navbar-title::after {
    content: "Summer School\A in Science Mapping";
    white-space: pre;
    font-variant: small-caps;
    font-size: 15px;
    font-weight: 700;
    line-height: 0.2;
}

/* =============================================
   3. HERO SECTION - Modifica qui la sezione principale homepage
   ============================================= */

.hero {
    position: relative;
    background: transparent;
    /* SFONDO HERO: Gradiente blu - questo è il grande banner in homepage */
    padding: 0px 0px 0px;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* NETWORK BACKGROUND - Logo trasparente sullo sfondo */
.hero::after {
    content: '';
    position: fixed;
    top: -80px;
    left: -15px;
    right: 0;
    bottom: 0;
    background-image: url('./network-background.svg');
    background-size: cover;       /* mantiene proporzioni ottime */
    background-repeat: no-repeat;
    background-position: top center;
    transform: translateX(-50%);    /* centra perfettamente */
    width: 100%;                    /* un po’ più larga del container */
    /* height: auto; */
    opacity: 0.25;                       /* OPACITÀ NETWORK: Aumenta per più visibile (max 0.3) */
    z-index: 0;
    pointer-events: none;
    animation: networkPulse 15s ease-in-out infinite;
}


@keyframes networkPulse {
    0%, 100% { 
        opacity: 0.15;
        transform: scale(1);
    }
    50% { 
        opacity: 0.22;                   /* OPACITÀ MASSIMA NETWORK nell'animazione */
        transform: scale(1.03);
    }
}

/* Pattern esagonale animato - RIMOSSO per design più pulito */

/* SFERE GRADIENT ANIMATE - Effetti decorativi sullo sfondo */
.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: orbFloat 15s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    /* COLORE SFERA 1: Gradiente blu-cyan */
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--accent-blue), var(--gradient-start));
    /* COLORE SFERA 2: Gradiente azzurro-blu */
    bottom: -50px;
    left: -50px;
    animation-delay: 5s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--gradient-end), var(--accent-blue));
    /* COLORE SFERA 3: Gradiente cyan-azzurro */
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes orbFloat {
    0%, 100% { 
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    33% { 
        transform: translate(50px, -50px) scale(1.1);
        opacity: 0.4;
    }
    66% { 
        transform: translate(-50px, 50px) scale(0.9);
        opacity: 0.2;
    }
}

/* HERO CONTAINER - Contenitore principale hero */
.hero-container {
    max-width: 2000px;               /* LARGHEZZA MASSIMA HERO */
    margin: 10 ;
    text-align: left;
    align-items: flex-start;
    position: relative;
    z-index: 1;
    width: 85%;
    padding: 0 3;
}

/* IV EDIZIONE - Stile locandina con sfondo blu solido - VERSIONE UNIFICATA */
.hero-edition {
    font-size: 30px !important;
    color: #ffffff !important;
    font-weight: 800 !important;
    /* text-transform: uppercase; */
    letter-spacing: 4px !important;
    padding: 10px 280px !important;
    margin-bottom: 20px;
    background:#033554  !important;  /* Blu solido come locandina */
    border: 4px solid #0a5e8a !important;  /* Bordo blu scuro spesso */
    border-radius: 50px !important;
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 25px rgba(5, 69, 119, 0.4) !important;
    display: inline-block;
    font-variant: small-caps !important;  /* MAIUSCOLETTO come locandina */
    -webkit-text-fill-color: #ffffff !important;
    
}

/* LOGHI HERO - I tre loghi in alto */
.hero-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.hero-logo {
    height: 100px;                   /* DIMENSIONE LOGHI: Aumenta/riduci qui */
    width: auto;
    transition: all var(--transition-slow);
    animation: logoFloat 3s ease-in-out infinite;
}

.hero-logo:nth-child(1) {
    filter: brightness(0) invert(1) drop-shadow(0 6px 12px rgba(0, 0, 0, 0.3));
    /* LOGO 1 (UNINA): Bianco con ombra */
    animation-delay: 0s;
}

.hero-logo:nth-child(2) {
    animation-delay: 1s;
    /* LOGO 2 (BIBLIOMETRIX): Mantiene colore originale */
}

.hero-logo:nth-child(3) {
    filter: brightness(0) invert(1) drop-shadow(0 6px 12px rgba(0, 0, 0, 0.3));
    /* LOGO 3 (DISES): Bianco con ombra */
    animation-delay: 2s;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-logo:hover {
    transform: scale(1.15) rotate(5deg);
    filter: brightness(1.2) drop-shadow(0 8px 16px rgba(255, 255, 255, 0.3));
}

/* LOGO BIBLIOMETRIX - Più grande con effetto speciale */
.hero-logo.bibliometrix {
    height: 140px;                   /* DIMENSIONE LOGO BIBLIOMETRIX: Molto più grande */
    filter: drop-shadow(0 10px 30px rgba(0, 204, 255, 0.5));
    /* ALONE LOGO: Colore cyan intorno al logo */
    animation: gradientPulse 3s ease-in-out infinite;
}

@keyframes gradientPulse {
    0%, 100% { 
        filter: drop-shadow(0 10px 30px rgba(0, 204, 255, 0.5));
        transform: scale(1);
    }
    50% { 
        filter: drop-shadow(0 15px 40px rgba(0, 204, 255, 0.7));
        transform: scale(1.08);
    }
}

/* TITOLO HERO - Il grande titolo */
.hero-title {
    font-family: var(--font-display);
    font-size: 64px;
    font-weight: 900;
    font-variant: small-caps;
    margin-top: -30px;
    margin-bottom: 0px;
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    letter-spacing: -1px;
    text-align: left;
    max-width: 900px;
}

/* SOTTOTITOLO HERO */
.hero-subtitle {
    font-size: 30px;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 0 !important;
    letter-spacing: 0.5;
    font-weight: 400;
    line-height: 1.6;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    text-align: left;
}
/* Container per IV Edizione + Info inline */
.hero-edition-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 0 !important;
}

/* Container per mettere IV Edizione, Date e Sede sulla stessa riga */
.hero-edition-row {
    display: flex;
    align-items: center;
    gap: 30px;  /* Aumentato da 25px */
    flex-wrap: wrap;
    margin-bottom: 0 !important;
    margin-top: 0 !important;
}

.hero-info {
    margin-top: 0;
    margin-bottom: 0;
}

/* INFO CARDS HERO - Le tre card con edizione/date/sede */
.hero-info {
    display: flex;
    justify-content: flex-start;  /* Allineati a sinistra */
    gap: 30px;  /* Aumentato da 20px */
    flex-wrap: wrap;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
}



/* INFO CARDS - Date e Sede più grandi */
.hero-info-item {
    background: rgba(255, 255, 255, 0.15) !important;  /* Più opaco */
    backdrop-filter: blur(20px);
    padding: 25px 40px !important;  /* Aumentato da 20px 30px */
    border-radius: 15px !important;  /* Più arrotondato */
    border: 3px solid rgba(255, 255, 255, 0.4) !important;  /* Bordo più spesso e visibile */
    transition: all 0.3s ease;
    min-width: 300px;  /* Aumentato da 160px */
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15) !important;  /* Ombra più forte */
}

.hero-info-item:hover {
    background: rgba(255, 255, 255, 0.22) !important;  /* Hover più evidente */
    border-color: rgba(255, 255, 255, 0.5) !important;
    transform: translateY(-5px);  /* Più movimento */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25) !important;
}

.hero-info-label {
    font-size: 16px !important;  /* Aumentato da 13px */
    color: rgba(255, 255, 255, 0.9) !important;  /* Più visibile */
    text-transform: uppercase;
    letter-spacing: 6px !important;  /* Più spaziato */
    margin-bottom: 10px !important;  /* Più spazio */
    font-weight: 800 !important;  /* Più bold */
}

.hero-info-value {
    font-size: 30px !important;  /* Aumentato da 22px */
    color: var(--white);
    font-weight: 700;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);  /* Ombra più forte */
    line-height: 1.3;
    letter-spacing: 4px;
}

.hero-info-value-sub {
    font-size: 0.75em !important;  /* Leggermente più piccolo */
    font-weight: 400;
    opacity: 0.9;  /* Leggermente più visibile */
    letter-spacing: 2px;
}


/* BOTTONE CTA HERO - Il grande bottone "Iscriviti Ora" */
.hero-cta {
    margin-top: 20px;
    display: flex;
    justify-content: flex-start;  /* Bottone allineato */
}

.hero-button {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: var(--white);
    color: var(--primary-blue);
    padding: 18px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: center;
    overflow: hidden;
}

.hero-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: -1;
}

.hero-button:hover::before {
    width: 400px;
    height: 400px;
}

.hero-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.35);
    color: var(--white);
}

/* RESPONSIVE */

@media (max-width: 968px) {
    .hero {
        min-height: auto;
        padding: 100px 20px 80px;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-edition {
        font-size: 18px;
        padding: 8px 25px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .hero-info {
        justify-content: center;
    }
    
    .hero-cta {
        justify-content: center;
        width: 100%;
    }
    
    .hero-container {
        align-items: center;
        text-align: center;
    }
    
    .hero-title,
    .hero-subtitle {
        text-align: center;
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-edition {
        font-size: 16px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-button {
        padding: 16px 35px;
        font-size: 16px;
    }
}

/* =============================================
   4. ANIMAZIONI DI INGRESSO
   ============================================= */

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

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

/* =============================================
   5. CONTENT SECTIONS - Sezioni contenuto pagine
   ============================================= */

.content {
    max-width: 1600px;                   /* LARGHEZZA CONTENUTO: Aumenta/riduci */
    margin: 0 auto 0 auto;
    padding: 2rem;
    width: 100%;
    background: var(--white);            /* SFONDO CONTENUTO: Bianco */
    box-shadow: var(--shadow-md);
    border-radius: 20px;
}

/* TITOLI - H1 e H2 */
h1, h2 {
    color: var(--primary-blue);          /* COLORE TITOLI: Blu principale */
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-bottom: 3px solid var(--primary-blue);
    padding-bottom: 15px;
    margin-top: 60px;
    margin-bottom: 40px;
    font-family: var(--font-display);
    position: relative;
}

h1::after, h2::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    /* SOTTOLINEATURA TITOLI: Gradiente blu-cyan */
}

h1 {
    font-size: 42px;
    font-weight: 800;
}

h2 {
    font-size: 36px;
    font-weight: 700;
}

/* TITOLI H3 */
h3 {
    color: var(--primary-blue-dark);     /* COLORE H3: Blu scuro */
    font-size: 26px;
    margin: 40px 0 20px 0;
    font-weight: 600;
}

/* PARAGRAFI */
p {
    margin-bottom: 20px;
    text-align: justify;
    line-height: 1.8;
    color: var(--gray-700);              /* COLORE TESTO: Grigio medio-scuro */
}

/* LISTE */
ul, ol {
    margin-bottom: 25px;
    padding-left: 30px;
}

li {
    margin-bottom: 10px;
    line-height: 1.7;
    color: var(--gray-700);              /* COLORE TESTO LISTE */
}

/* =============================================
   6. PRICING CARDS - Card prezzi
   ============================================= */

.pricing-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin: 40px 0;
}

.price-card {
    background: var(--white);            /* SFONDO CARD PREZZO: Bianco */
    border: 3px solid var(--primary-blue-light);  /* BORDO CARD: Blu chiaro */
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.price-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(5, 69, 119, 0.05), transparent);
    transition: left 0.6s ease;
}

.price-card:hover::before {
    left: 100%;
}

.price-card:hover {
    border-color: var(--accent-blue);    /* BORDO HOVER: Azzurro */
    box-shadow: 0 10px 40px rgba(5, 69, 119, 0.15);
    transform: translateY(-8px);
}

.price-type {
    color: var(--primary-blue);          /* TIPO QUOTA: Blu */
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.price-amount {
    font-size: 56px;
    font-weight: 800;
    color: var(--primary-blue-dark);     /* PREZZO: Blu scuro */
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-vat {
    color: var(--gray-600);              /* IVA: Grigio medio */
    font-size: 15px;
    margin-bottom: 25px;
}

.price-includes {
    text-align: left;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 2px solid var(--gray-200);
}

/* =============================================
   7. INFO BOX - Box informativi
   ============================================= */

.info-box {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    /* SFONDO INFO BOX: Gradiente grigio-bianco */
    padding: 35px;
    border-radius: 15px;
    border-left: 5px solid var(--primary-blue);  /* BORDO SINISTRO: Blu */
    margin: 30px 0;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.info-box:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
    border-left-color: var(--accent-blue);       /* BORDO HOVER: Azzurro */
}

/* =============================================
   8. STAFF & PARTNER SECTIONS
   ============================================= */

/* PARTNERS - Layout orizzontale semplice */
.partner {
    background: var(--white);
    border-radius: 15px;
    padding: 30px 40px;
    margin: 30px 0;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.partner:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue-light);
}

.partner-header {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 20px;
}

.partner-logo {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    border-radius: 10px;
    padding: 15px;
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.partner-title {
    color: var(--primary-blue);
    font-size: 22px;
    font-weight: 700;
    margin: 0;
}

/* STAFF GRID - 3 colonne compatte con foto quadrate */
.staff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin: 40px 0;
    justify-items: center;
}

.staff-card {
    background: var(--white);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    text-align: center;
    border: 2px solid var(--gray-200);
    width: 100%;
    max-width: 320px;
}

.staff-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue-light);
}

/* FOTO STAFF - quadrate centrate con object-fit */
.staff-photo {
    width: 120px;
    height: 120px;
    background: var(--gray-100);
    border-radius: 10px;
    margin: 0 auto 15px;
    display: block;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 2px solid var(--primary-blue);
    transition: all var(--transition-normal);
    position: relative;
}

.staff-card:hover .staff-photo {
    border-color: var(--gradient-end);
    box-shadow: 0 8px 20px rgba(0, 204, 255, 0.3);
}

.staff-photo img {
    width: 100%;
    height: 100%;
    object-fit: fill;
    object-position: center;
    display: block;
}

.staff-name {
    color: var(--primary-blue);
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.3;
}

.staff-role {
    color: var(--gray-600);
    font-size: 13px;
    line-height: 1.4;
    margin-bottom: 5px;
}

.staff-contact {
    color: var(--primary-blue-light);
    font-size: 13px;
    text-decoration: none;
    transition: all var(--transition-fast);
    display: inline-block;
    margin-top: 8px;
}

.staff-contact:hover {
    color: var(--accent-blue);
    text-decoration: underline;
}

/* RESPONSIVE */
@media (max-width: 1200px) {
    .staff-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .staff-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 20px;
    }
    
    .partner-header {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .staff-card {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .staff-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   FOOTER - LAYOUT ORIZZONTALE CORRETTO
   ============================================= */

/* Reset footer */
footer.footer,
.footer,
.page-footer,
.nav-footer {
    background: linear-gradient(135deg, #033554 0%, #054577 100%) !important;
    color: white !important;
    padding: 30px 20px !important;
    margin: 0 !important;
    border: none !important;
    box-shadow: none !important;
}

.nav-footer {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    max-width: 1600px !important;
    margin: 0 auto !important;
    gap: 40px !important;
    flex-wrap: nowrap !important;  /* NON va a capo */
    padding: 0 40px !important;
}

/* COLONNA SINISTRA - Logo */
.nav-footer-left {
    flex: 0 0 auto !important;
    display: flex !important;
    align-items: center !important;
}

.nav-footer-left img,
.footer img[alt="Bibliometrix"] {
    height: 55px !important;
    width: auto !important;
    filter: brightness(0) invert(1) !important;
    opacity: 0.9 !important;
    transition: all 0.3s ease !important;
}

.nav-footer-left img:hover,
.footer img[alt="Bibliometrix"]:hover {
    transform: scale(1.05) !important;
    opacity: 1 !important;
}

/* COLONNA CENTRO - Copyright (UNA SOLA RIGA) */
.nav-footer-center {
    flex: 1 1 auto !important;
    text-align: center !important;
    padding: 0 20px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.nav-footer-center p,
.nav-footer-center div,
.footer .nav-footer-center {
    margin: 0 !important;
    font-size: 13px !important;
    color: rgba(255, 255, 255, 0.9) !important;
    line-height: 1.3 !important;
    white-space: nowrap !important;  /* NON va a capo */
}

/* COLONNA DESTRA - Social Icons ORIZZONTALI */
.nav-footer-right {
    flex: 0 0 auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
}

.footer-socials {
    display: flex !important;
    flex-direction: row !important;  /* ORIZZONTALE */
    gap: 12px !important;
    align-items: center !important;
    justify-content: flex-end !important;
}

.footer-socials a {
    color: white !important;
    font-size: 20px !important;
    transition: all 0.3s ease !important;
    opacity: 0.85 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 38px !important;
    height: 38px !important;
    border-radius: 50% !important;
    background: rgba(255, 255, 255, 0.1) !important;
    text-decoration: none !important;
    flex-shrink: 0 !important;  /* NON si rimpicciolisce */
}

.footer-socials a:hover {
    opacity: 1 !important;
    transform: translateY(-3px) !important;
    color: #00ccff !important;
    background: rgba(255, 255, 255, 0.2) !important;
}

/* Icone Bootstrap Icons */
.footer-socials i.bi {
    font-size: 16px !important;
    line-height: 1 !important;
}

/* =============================================
   RESPONSIVE FOOTER - Solo per mobile
   ============================================= */

@media (max-width: 1200px) {
    .nav-footer {
        padding: 0 30px !important;
        gap: 30px !important;
    }
    
    .nav-footer-center p,
    .nav-footer-center div,
    .footer .nav-footer-center {
        font-size: 12px !important;
    }
}

@media (max-width: 968px) {
    .nav-footer {
        flex-wrap: wrap !important;
        padding: 0 20px !important;
        gap: 20px !important;
    }
    
    .nav-footer-left {
        flex: 0 0 100% !important;
        justify-content: center !important;
    }
    
    .nav-footer-center {
        flex: 0 0 100% !important;
        order: 2 !important;
    }
    
    .nav-footer-center p,
    .nav-footer-center div,
    .footer .nav-footer-center {
        white-space: normal !important;  /* Su mobile può andare a capo */
        font-size: 12px !important;
    }
    
    .nav-footer-right {
        flex: 0 0 100% !important;
        order: 1 !important;
        justify-content: center !important;
    }
    
    .footer-socials {
        justify-content: center !important;
    }
}

@media (max-width: 640px) {
    .footer,
    footer.footer {
        padding: 25px 15px !important;
    }
    
    .nav-footer-left img,
    .footer img[alt="Bibliometrix"] {
        height: 45px !important;
    }
    
    .nav-footer-center p,
    .nav-footer-center div,
    .footer .nav-footer-center {
        font-size: 11px !important;
        padding: 0 10px !important;
    }
    
    .footer-socials a {
        width: 34px !important;
        height: 34px !important;
    }
    
    .footer-socials i.bi {
        font-size: 14px !important;
    }
}
/* =============================================
   10. RESPONSIVE DESIGN
   ============================================= */

@media (max-width: 968px) {
    .hero {
        padding: 30px 10px 30px;
        min-height: auto;
    }

    .hero-title {
        font-size: 48px;
    }

    .hero-subtitle {
        font-size: 22px;
    }

    .hero-info {
        gap: 20px;
    }

    .hero-info-item {
        padding: 25px 30px;
        min-width: 160px;
    }

    .hero-info-value {
        font-size: 22px;
    }

    .hero-logo {
        height: 70px;
    }

    .hero-logo.bibliometrix {
        height: 110px;
    }

    .navbar-nav .nav-link {
        padding: 10px 22px;
        font-size: 12px;
        margin: 5px 0;
    }

    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 30px;
    }

    .staff-grid {
        grid-template-columns: 1fr;
    }

    .content {
        width: 100%;
        padding: var(--spacing-md);
        border-radius: 0;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-button {
        padding: 16px 35px;
        font-size: 16px;
    }

    .hero-info-item {
        flex: 1 1 100%;
    }

    .gradient-orb {
        width: 200px;
        height: 200px;
    }

    .navbar-logo {
        height: 60px;
    }
}

/* =============================================
   11. UTILITY CLASSES
   ============================================= */

.text-center {
    text-align: center;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mt-4 {
    margin-top: 2rem;
}

/* =============================================
   12. NUOVE SEZIONI HOMEPAGE
   ============================================= */

/* FEATURE GRID - Griglia caratteristiche */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.feature-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    /* SFONDO FEATURE CARD: Gradiente bianco-grigio */
    padding: 35px;
    border-radius: 15px;
    border-left: 5px solid var(--primary-blue);  /* BORDO: Blu */
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-left-color: var(--gradient-end);      /* BORDO HOVER: Cyan */
}

.feature-card h3 {
    color: var(--primary-blue);          /* TITOLO FEATURE: Blu */
    margin-top: 0;
    font-size: 22px;
    margin-bottom: 15px;
}

/* SKILLS LIST - Lista competenze */
.skills-list {
    background: var(--gray-50);          /* SFONDO LISTA: Grigio chiaro */
    padding: 40px;
    border-radius: 15px;
    margin: 30px 0;
    line-height: 2.2;
    border: 2px solid var(--gray-200);
}

.skills-list strong {
    color: var(--primary-blue);          /* TESTO ENFATIZZATO: Blu */
}

/* PROGRAM OVERVIEW - Panoramica programma */
.program-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.day-summary {
    background: var(--white);            /* SFONDO GIORNO: Bianco */
    border: 2px solid var(--gray-200);
    border-radius: 15px;
    padding: 30px;
    transition: all var(--transition-normal);
}

.day-summary:hover {
    border-color: var(--primary-blue);   /* BORDO HOVER: Blu */
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.day-summary h3 {
    color: var(--primary-blue);          /* TITOLO GIORNO: Blu */
    font-size: 18px;
    margin-bottom: 15px;
}

/* CTA SECTION - Call to action */
.cta-section {
    text-align: center;
    margin: 60px 0;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    /* SFONDO BOTTONE CTA: Gradiente blu */
    color: var(--white);
    padding: 18px 45px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--gradient-end) 100%);
    /* HOVER: Gradiente blu chiaro-cyan */
}

.cta-button.large {
    padding: 25px 60px;
    font-size: 22px;
}

.cta-button.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* FACULTY PREVIEW - Preview docenti */
.faculty-preview {
    display: block;
    /* grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); */
    gap: 30px;
    margin: 40px 0;
}

.faculty-member {
    background: var(--gray-50);          /* SFONDO DOCENTE: Grigio chiaro */
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid var(--gray-200);
}

.faculty-member:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
    border-color: var(--primary-blue-light);
}

.faculty-member h3 {
    color: var(--primary-blue);          /* NOME DOCENTE: Blu */
    font-size: 20px;
    margin-bottom: 10px;
}

/* INFO CARDS - Card informative */
.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.info-card {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    padding: 35px;
    border-radius: 15px;
    border-top: 4px solid var(--primary-blue);   /* BORDO TOP: Blu */
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--gradient-end);       /* BORDO HOVER: Cyan */
}

.info-card h3 {
    color: var(--primary-blue);          /* TITOLO CARD: Blu */
    margin-top: 0;
    font-size: 20px;
}

/* PRICING PREVIEW - Anteprima prezzi */
.pricing-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin: 40px 0;
}

.price-box {
    background: var(--white);            /* SFONDO BOX PREZZO: Bianco */
    border: 3px solid var(--primary-blue);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all var(--transition-normal);
}

.price-box:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
    border-color: var(--gradient-end);   /* BORDO HOVER: Cyan */
}

.price-box h3 {
    color: var(--primary-blue);          /* TITOLO PREZZO: Blu */
    margin-top: 0;
    font-size: 24px;
}

.included-note {
    background: var(--gray-50);          /* SFONDO NOTA: Grigio chiaro */
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    margin: 30px 0;
    font-style: italic;
    border: 2px solid var(--gray-200);
}

/* PARTNERS SECTION - Sezione partner */
.partners-section {
    text-align: center;
    margin: 60px 0;
}

.partner-logo-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
    margin: 40px 0;
}

.partner-logo-grid img {
    transition: all var(--transition-normal);
    filter: grayscale(20%);
}

.partner-logo-grid img:hover {
    transform: scale(1.1);
    filter: grayscale(0%);
}

/* CONTACT SECTION - Sezione contatti */
.contact-section {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    padding: 40px;
    border-radius: 15px;
    border-left: 5px solid var(--primary-blue);
    margin: 40px 0;
}

.contact-section h3 {
    color: var(--primary-blue);          /* TITOLO CONTATTI: Blu */
    margin-top: 30px;
    font-size: 20px;
}

.contact-section h3:first-child {
    margin-top: 0;
}

/* FINAL CTA - CTA finale */
.final-cta {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    /* SFONDO CTA FINALE: Gradiente blu */
    color: var(--white);
    padding: 80px 40px;
    border-radius: 20px;
    text-align: center;
    margin: 80px 0;
}

.final-cta h1 {
    color: var(--white);                 /* TITOLO CTA: Bianco */
    border: none;
    margin-bottom: 30px;
}

.final-cta h1::after {
    display: none;
}

/* ALERT BOX - Box di avviso */
.alert {
    padding: 25px;
    border-radius: 10px;
    margin: 30px 0;
}

/* =============================================
   13. ACCESSIBILITY
   ============================================= */

/* VENUE PAGE - Stili immagini */
.venue-image {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(5, 69, 119, 0.15);
    transition: all 0.3s ease;
}

.venue-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(5, 69, 119, 0.25);
}

.map-link {
    display: inline-block;
    color: var(--primary-blue-light);
    text-decoration: none;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: 20px;
    background: rgba(7, 102, 163, 0.1);
    transition: all 0.3s ease;
    margin-top: 10px;
}

.map-link:hover {
    background: var(--primary-blue-light);
    color: white;
    transform: translateX(5px);
}

/* =============================================
   14. ACCESSIBILITY
   ============================================= */

:focus {
    outline: 3px solid var(--accent-blue);       /* FOCUS: Azzurro */
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* =============================================
   FINE STYLESHEET
   ============================================= */

/* RIDUZIONE SPACING VERTICALE - Far salire i contenuti */
.hero {
    padding: 80px 20px 60px !important;  /* Era 120px top, ora 80px */
    min-height: 85vh !important;  /* Era 90vh */
}

.hero-title {
    margin-bottom: 10px !important;  /* Era 15-20px */
}

.hero-subtitle {
    margin-bottom: 0 !important;
    margin-top: 10px !important;
}

.hero-edition-row {
    margin-top: 20px !important;  /* Era 30px */
    margin-bottom: 30px !important;  /* Era 40px */
}

.hero-cta {
    margin-top: -15px !important;  /* Era 30px */
}

/* BORDI CARD - IV Edizione, Date, Sede */
/* .hero-edition {
    font-size: 18px !important;  
    padding: 12px 25px !important;  
    background: rgba(255, 255, 255, 0.15) !important;  
    border: 2px solid rgba(255, 255, 255, 0.4) !important;  
    border-radius: 15px !important;  
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); 
} */

.hero-info-item {
    background: rgba(255, 255, 255, 0.15) !important;  /* Più visibile */
    border: 2px solid rgba(255, 255, 255, 0.4) !important;  /* Bordo visibile */
    border-radius: 15px !important;
    padding: 15px 25px !important;  /* Ridotto da 20px 30px */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);  /* Ombra leggera */
}

.hero-info-label {
    font-size: 11px !important;  /* Ridotto da 13px */
    margin-bottom: 5px !important;  /* Ridotto da 8px */
}

.hero-info-value {
    font-size: 18px !important;  /* Ridotto da 22px */
}

/* FORMATTAZIONE SEZIONE "LA SCUOLA" */
.content h2 {
    margin-top: 40px !important;  /* Era 60px */
    margin-bottom: 25px !important;  /* Era 40px */
}

.content h3 {
    margin-top: 30px !important;  /* Era 40px */
    margin-bottom: 15px !important;  /* Era 20px */
}

.content p {
    margin-bottom: 15px !important;  /* Era 20px */
    line-height: 1.7 !important;  /* Più compatto */
}

/* Liste nella descrizione - con bullet points */
.content ul {
    margin: 20px 0 25px 25px !important;
    padding-left: 20px !important;
}

.content ul li {
    margin-bottom: 8px !important;
    line-height: 1.6 !important;
    list-style-type: disc !important;  /* Bullet point visibile */
}

/* Paragrafo introduttivo più compatto */
.content > p:first-of-type {
    font-size: 17px !important;
    line-height: 1.6 !important;
    margin-bottom: 20px !important;
}

/* Box bianco contenuto più compatto */
.content {
    padding: 2rem !important;  /* Era 3rem */
    margin: 1.5rem auto !important;  /* Era 2rem */
}

/* RESPONSIVE */
@media (max-width: 968px) {
    .hero {
        padding: 60px 20px 50px !important;
    }
    
    .hero-edition {
        font-size: 16px !important;
        padding: 10px 20px !important;
    }
    
    .hero-info-item {
        padding: 12px 20px !important;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 50px 15px 40px !important;
    }
    
    .content {
        padding: 1.5rem !important;
    }
}
/* =====================================================
   LOGHI AI TOOLS - Aggiungi a styles.css
   ===================================================== */

/* Sezione loghi AI tools */
.ai-tools-section {
    margin: 40px 0;
    padding: 30px;
    background: linear-gradient(135deg, rgba(5, 69, 119, 0.03) 0%, rgba(7, 102, 163, 0.05) 100%);
    border-radius: 20px;
    border: 2px solid rgba(5, 69, 119, 0.1);
}

.ai-tools-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
    padding: 20px 0;
}

.ai-tool-logo {
    height: auto;
    max-height: 140px;
    width: auto;
    transition: all 0.4s ease;
    filter: drop-shadow(0 4px 15px rgba(5, 69, 119, 0.15));
}

.ai-tool-logo:hover {
    transform: scale(1.1) translateY(-5px);
    filter: drop-shadow(0 8px 25px rgba(5, 69, 119, 0.3));
}

/* Animazione ingresso loghi */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ai-tool-logo:nth-child(1) {
    animation: fadeInUp 0.8s ease 0.2s both;
}

.ai-tool-logo:nth-child(2) {
    animation: fadeInUp 0.8s ease 0.4s both;
}

.ai-tool-logo:nth-child(3) {
    animation: fadeInUp 0.8s ease 0.6s both;
}

/* Responsive */
@media (max-width: 968px) {
    .ai-tools-section {
        padding: 25px 20px;
        margin: 30px 0;
    }
    
    .ai-tools-logos {
        gap: 35px;
    }
    
    .ai-tool-logo {
        max-height: 120px;
    }
}

@media (max-width: 640px) {
    .ai-tools-section {
        padding: 20px 15px;
        margin: 25px 0;
    }
    
    .ai-tools-logos {
        gap: 25px;
        flex-direction: column;
    }
    
    .ai-tool-logo {
        max-height: 100px;
    }
}