/* ==========================================
   1. VARIABILI GLOBALI (CSS Custom Properties)
   ========================================== */
:root {
    --color-orange-alpha: rgba(255, 102, 0, 0.9);
    --color-orange-solid: #FF6600;
    --color-orange-dark:  #F06000;
    
    --color-text-dark:    #5E5E5E;
    --color-text-light:   #FFFFFF;
    --color-bg-muted:     rgba(190, 190, 190, 0.2);
}

/* ==========================================
   2. STILI BASE ED ELEMENTI HTML
   ========================================== */
a {
    color: var(--color-text-light);
    font-weight: 600;
}

a:hover,
a:focus {
    color: var(--color-text-dark);
}

a.orange_color {
    color: var(--color-orange-alpha);
}

td a {
    color: #000000;
}

h6 {
    padding: 10px 0;
}

textarea {
    resize: none;
}

/* ==========================================
   3. COMPONENTI & UTILITY
   ========================================== */
/* Navbar & Bottoni */
.navbar-default {
    background-color: var(--color-orange-alpha);
    border-color: var(--color-orange-solid);
}

.btn-lg:hover {
    background-color: var(--color-orange-dark);
    color: var(--color-text-light);
}

.page-item.active .page-link {
    background-color: var(--color-orange-dark);
    border-color: var(--color-orange-dark);
}

/* Classi Utility */
.orange {
    background-color: var(--color-orange-alpha);
}

.orange-txt {
    color: var(--color-orange-solid);
}

.bg {
    padding: 10px 0;
    background-color: var(--color-bg-muted);
}

/* ==========================================
   4. LAYOUT & SEZIONI SPECIFICHE
   ========================================== */
#articoli > .container {
    min-height: 500px;
}

#youtube p {
    font-weight: 700;
}

/* Carousel */
.carousel-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Jumbotron */
.jumbotron {
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    color: var(--color-text-light);
}

.jumbotron.img {
    height: 100vh;
    background-image: url("../img/giorgio_hug.jpg");
    color: #000000;
}

.shiva {
    background-image: url("../img/shiva.jpg");
}

.khaj {
    background-image: url("../img/khajuraho.jpg");
}

.youtube {
    background-image: url("../img/youtube2_lens.jpg");
}

/* Image Overlay */
.img_container {
    position: relative;
}

.overlay {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 20px;
    background-color: var(--color-orange-solid);
    color: var(--color-text-light);
    font-size: 20px;
    text-align: center;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.img_container:hover .overlay {
    opacity: 1;
}

/* ==========================================
   5. FOOTER STYLES (CORRETTO E VALIDATO)
   ========================================== */
.site-footer {
    background-color: var(--color-orange-alpha);
    color: var(--color-text-light);
    padding: 50px 0 20px 0;
    margin-top: 50px;
    font-size: 14px;
}

.footer-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-left: -15px;
    margin-right: -15px;
}

.footer-col {
    flex: 1 1 250px;
    padding-left: 15px;
    padding-right: 15px;
    margin-bottom: 30px;
}

.footer-title {
    color: var(--color-text-light);
    font-size: 22px;
    margin: 0 0 15px 0;
    font-weight: 700;
}

.footer-subtitle {
    color: var(--color-text-light);
    font-size: 16px;
    margin: 0 0 15px 0;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-desc {
    color: var(--color-text-light);
    line-height: 1.6;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--color-text-dark);
}

.btn-footer-yt {
    display: inline-block;
    background-color: var(--color-text-light);
    color: var(--color-orange-solid) !important;
    padding: 10px 18px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 700;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.btn-footer-yt:hover,
.btn-footer-yt:focus {
    background-color: var(--color-text-dark);
    color: var(--color-text-light) !important;
}

.footer-divider {
    border: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.4);
    margin: 10px 0 20px 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.footer-bottom p {
    margin: 0 0 10px 0;
    color: var(--color-text-light);
}

.scroll-to-top {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 10px;
}

.scroll-to-top:hover,
.scroll-to-top:focus {
    color: var(--color-text-dark);
}