/* =========================================
   1. Reset e Variabili Base
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

:root {
    --colore-primario: #3182ce;
    --colore-primario-hover: #2b6cb0;
    --colore-sfondo: #cdced1;
    --colore-testo: #333;
    --colore-testo-chiaro: #4a5568;
    --colore-bordo: #e2e8f0;
    --colore-scuro: #1a365d;
}

/* Impostazione Flex per tenere il footer sempre in basso */
body {
    background-color: var(--colore-sfondo);
    color: var(--colore-testo);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-a {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    background-color: #fff;
    z-index: 1000;
}

/* =========================================
   2. Header e Navigazione
   ========================================= */
.site-header {
    background-color: #fff;
    border-bottom: 3px solid #174389; 
    box-shadow: 0 2px 10px rgba(0,0,0,0.05); 
    
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--colore-scuro);
    letter-spacing: 1px;
}

.logo span {
    color: var(--colore-primario);
}

.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 25px;
}

.main-nav a {
    text-decoration: none;
    color: #1a4486;
    font-weight: 500;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: #6f7072;
}

.main-nav .btn-primary {
    background-color: var(--colore-primario);
    color: white;
    padding: 8px 18px;
    border-radius: 6px;
    transition: background 0.3s;
}

.main-nav .btn-primary:hover {
    background-color: var(--colore-primario-hover);
    color: white;
}

.main-nav .btn-outline {
    border: 1px solid var(--colore-bordo);
    padding: 7px 15px;
    border-radius: 6px;
}

.main-nav .nav-admin {
    color: #e53e3e;
    font-weight: 600;
}

/* =========================================
   3. Main Content e Footer
   ========================================= */
.site-main {
    flex: 1; /* Prende tutto lo spazio centrale disponibile */
    display: flex;
    flex-direction: column;
}

.site-footer {
    background-color: var(--colore-scuro);
    color: #ffffff;
    padding: 30px 0 20px 0;
    margin-top: auto; /* Spinge il footer a fondo pagina */
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 15px;
}

.footer-copy {
    font-size: 0.9rem;
    color: #a0aec0;
    border-top: 1px solid #2d3748;
    padding-top: 15px;
    width: 100%;
}

/* =========================================
   4. Pagine di Autenticazione (Login/Reg)
   ========================================= */
.auth-page {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.auth-container {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 400px;
}

.auth-container h2 { text-align: center; margin-bottom: 24px; color: var(--colore-scuro); }
.input-group { margin-bottom: 20px; }
.input-group label { display: block; margin-bottom: 8px; font-weight: 500; font-size: 14px; color: var(--colore-testo-chiaro); }
/* Stile unificato per input e textarea */
.input-group input, 
.input-group textarea { 
    width: 100%; 
    padding: 12px; 
    border: 1px solid var(--colore-bordo); /* Bordo grigio chiaro */
    border-radius: 6px; 
    font-size: 16px; 
    font-family: inherit; /* Prende lo stesso font del sito */
    transition: 0.3s; 
}

/* Effetto quando si clicca dentro la casella */
.input-group input:focus, 
.input-group textarea:focus { 
    outline: none; 
    border-color: var(--colore-primario); 
    box-shadow: 0 0 0 3px rgba(49,130,206,0.1); 
}

/* Regola specifica solo per la casella del messaggio */
.input-group textarea {
    resize: vertical; /* Permette all'utente di allargarla solo in altezza */
    min-height: 150px; /* Altezza minima di partenza per farla sembrare un vero campo messaggi */
}
button { width: 100%; padding: 12px; background-color: var(--colore-primario); color: white; border: none; border-radius: 6px; font-size: 16px; font-weight: 600; cursor: pointer; transition: 0.3s; margin-top: 10px; }
button:hover { background-color: var(--colore-primario-hover); }
.auth-links { text-align: center; margin-top: 20px; font-size: 14px; }
.auth-links a { color: var(--colore-primario); text-decoration: none; font-weight: 500; }
.alert { padding: 12px; border-radius: 6px; margin-bottom: 20px; text-align: center; font-size: 14px; }
.alert.error { background: #fff5f5; color: #c53030; border: 1px solid #feb2b2; }
.alert.success { background: #f0fff4; color: #2f855a; border: 1px solid #9ae6b4; }

/* =========================================
   5. Homepage - Banner Slider
   ========================================= */
.slider-container {
    position: relative;
    width: 100%;
    height: 520px;
    overflow: hidden; 
    background-color: #fff;
    border-bottom: solid 3px #15438e;
	/* opacity: 0.6; */

}

.slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 0;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

.slide img {
    width: 100%; 
    height: 100%;
    
    object-fit: contain; 
    object-position: center; /* Tiene l'immagine sempre al centro */
    
   /*  opacity: 0.8; */
    display: block;
}

.slide-content {
    position: absolute;
    text-align: center;
    color: #ffffff;
    z-index: 2;
    width: 100%;
    max-width: 900px;
    padding: 0 70px; /* Crea uno spazio vitale tra il testo e le frecce laterali */
}

.slide-content h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.7);
    word-wrap: break-word; /* Salva-vita: spezza le parole troppo lunghe invece di rompere lo schermo */
}

.slide-content p {
    font-size: 1.2rem;
    font-weight: 500;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.7);
}

/* Pulsanti Slider */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.4);
    color: white !important;
    border: none !important;
    text-decoration: none !important;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: 0.3s;
    outline: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

.slider-btn:hover {
    background: var(--colore-primario);
}

.slider-btn svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.prev-btn { left: 20px; }
.next-btn { right: 20px; }

/* =========================================
   6. Homepage - Presentazione e Griglia Articoli
   ========================================= */
.section-a { 
    padding: 60px 0; 
    background-color: #fff;
    z-index: 1000;
}

.section { padding: 60px 0; }
.section-title { text-align: center; font-size: 2rem; color: #213686; margin-bottom: 10px; }
.presentazione-testo { text-align: center; max-width: 800px; margin: 0 auto; font-size: 1.5rem; color: #213686;}

.articoli-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card-articolo {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.card-articolo:hover { transform: translateY(-5px); }

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: #ddd;
    display: block; /* Previene spazi vuoti sotto l'immagine */
}

.card-body { padding: 20px; }
.card-body h3 { margin-bottom: 10px; color: var(--colore-scuro); }
.card-body p { color: var(--colore-testo-chiaro); font-size: 0.95rem; margin-bottom: 15px; }

.btn-leggi {
    display: inline-block;
    background: var(--colore-primario);
    color: #fff;
    padding: 8px 15px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: 0.3s;
}

.btn-leggi:hover { background: var(--colore-primario-hover); }

/* =========================================
   8. Homepage - Ultime Realizzazioni (3 in riga)
   ========================================= */
.miniature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Forza esattamente 3 colonne uguali */
    gap: 30px;
    margin-top: 40px;
}

.miniature-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
    text-align: center;
}

.miniature-card:hover { 
    transform: translateY(-8px); 
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.miniature-img {
    width: 100%;
    height: 220px; 
    object-fit: cover;
    border-bottom: 3px solid var(--colore-primario);
}

.miniature-body { 
    padding: 20px; 
}

.miniature-body h3 { 
    font-size: 1.1rem; 
    color: var(--colore-scuro); 
    margin-bottom: 15px; 
}

.btn-mini {
    display: inline-block;
    border: 1px solid var(--colore-primario);
    color: var(--colore-primario);
    padding: 6px 15px;
    border-radius: 20px; 
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: 0.3s;
}

.btn-mini:hover {
    background: var(--colore-primario);
    color: white;
}

/* =========================================
   9. Media Queries (Mobile Responsive UNIFICATO)
   ========================================= */
@media (max-width: 768px) {
    /* Header e Navigazione */
    .header-container { flex-direction: column; height: auto; padding: 15px 20px; gap: 15px; }
    .main-nav ul { flex-wrap: wrap; justify-content: center; gap: 10px 15px; }
    
    /* Login e Moduli */
    .auth-container { padding: 25px 20px; }
    
    /* Slider Homepage Mobile */
    .slider-container { 
        height: 250px !important; /* Molto pił basso per cellulari, la foto si rimpicciolisce */
    }
    .slide-content { padding: 0 45px; } /* Riduciamo il padding ma proteggiamo il testo dalle frecce */
    .slide-content h1 { font-size: 1.6rem; line-height: 1.2; margin-bottom: 10px; } 
    .slide-content p { font-size: 0.95rem; line-height: 1.4; }
    .slider-btn { width: 35px; height: 35px; }
    .slider-btn svg { width: 18px; height: 18px; }
    .prev-btn { left: 5px; }
    .next-btn { right: 5px; }

    /* Griglia Miniature (3 in riga diventano 1 in colonna) */
    .miniature-grid { grid-template-columns: 1fr; } 
}