:root {
    --bg-color: #1B2B34;
    --accent-color: #FFA07A;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 20px;
}

body {
    background-color: var(--bg-color);
    color: #ffffff;
}

.hero-section {
    height: 100vh;
    background-image: linear-gradient(rgba(27, 43, 52, 0.7), rgba(27, 43, 52, 0.9)), url('./images/DSC01194mod.jpg');
    background-size: cover;
    background-position: center top;
    position: relative;
}

.hero-section h1 {
    line-height: 1.2;
}

header {
    background-color: rgba(27, 43, 52, 0.95); /* Usa il colore di sfondo --bg-color con 95% di opacità */
    backdrop-filter: blur(5px); /* Aggiunge un effetto blur che migliora la leggibilità */
    transition: background-color 0.3s ease; /* Aggiunge una transizione fluida */
}

.mobile-menu {
    background-color: rgba(27, 43, 52, 0.95); /* Stessa opacità dell'header */
    backdrop-filter: blur(5px);
}

.accent-btn {
    background-color: var(--accent-color);
    color: var(--bg-color);
    padding: 0.75rem 2rem;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.accent-btn:hover {
    transform: translateY(-2px);
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;  /* due colonne uguali */
    gap: 2rem;                       /* spazio tra le immagini */
    margin: 1rem 0;
}

/* Gallery Items Hover Effect */
.gallery-item {
    position: relative;
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
}

/* Per gestire dimensioni immagine e posizione */
.gallery-item img {
    transition: transform 0.3s ease;
    max-height: 700px;
    width: 100%;
    object-fit: cover;
    object-position: top;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(27, 43, 52, 0.9));
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    visibility: hidden;
}

.gallery-item:hover figcaption {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item figcaption h3 {
    color: var(--accent-color);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 300;
}

.gallery-item figcaption p {
    color: white;
    font-size: 0.875rem;
    opacity: 0.8;
}

.nav-link {
    position: relative;
    padding: 0.5rem 0;
    color: #ffffff;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: 0;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    text-align: center;
    margin: 2rem 0 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 300;
}

.view-more {
    color: var(--accent-color);
    text-align: center;
    display: block;
    margin: 2rem auto;
    border: 1px solid var(--accent-color);
    padding: 0.75rem 2rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    max-width: fit-content;
}

.view-more:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 64px; /* altezza dell'header */
    left: 0;
    width: 100%;
    background-color: var(--bg-color);
    padding: 1rem;
    transform: translateY(-150%);
    transition: transform 0.3s ease-in-out;
    z-index: 50;
    opacity: 0;
    visibility: hidden;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu .nav-link {
    padding: 1rem;
    margin: 0.5rem 0;
    background-color: rgba(255, 255, 255, 0.05);  /* sfondo leggero */
    border-radius: 4px;  /* bordi arrotondati */
    transition: background-color 0.3s ease;
}

.mobile-menu .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);  /* sfondo più chiaro al hover */
}

/* Hamburger Button Styles */
.hamburger-container {
    width: 24px;
    height: 18px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background-color: #ffffff;
    transition: all 0.3s ease;
    position: absolute;
}

.hamburger-line:nth-child(1) {
    top: 0;
}

.hamburger-line:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger-line:nth-child(3) {
    bottom: 0;
}

/* Animazione hamburger quando menu è aperto */
.menu-open .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-open .hamburger-line:nth-child(2) {
    opacity: 0;
}

.menu-open .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading::after {
    content: '';
    width: 50px;
    height: 50px;
    border: 3px solid var(--accent-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Animation Classes */
.animate-fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.animate-fade-in-delay {
    opacity: 0;
    animation: fadeIn 1s ease forwards 0.3s;
}

.animate-fade-in-delay-2 {
    opacity: 0;
    animation: fadeIn 1s ease forwards 0.6s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form Styles */
.form-input {
    width: 100%;
    padding: 0.75rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: #ffffff;
    transition: border-color 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Language Switcher */
.language-toggle {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
    cursor: pointer;
}

.language-toggle:hover,
.language-toggle.active {
    color: var(--accent-color);
}

/* Social Links */
.social-link {
    color: #ffffff;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--accent-color);
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-main {
        grid-row: auto;
    }

    .gallery-side {
        height: auto;
    }

    .mobile-menu-button {
        display: flex;
    }

    .nav-links {
        display: none;
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-color);
        padding: 1rem;
    }

    .nav-link {
        padding: 0.5rem 0;
    }
}

/* Linea separatrice */
.section-divider {
    position: relative;
    width: 100%;
    height: 2px;
    margin: 40px 0;
}

.section-divider::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 2px;
    background: linear-gradient(
        to right,
        transparent,
        rgba(255, 160, 122, 0.5) 20%,
        rgba(255, 160, 122, 0.5) 80%,
        transparent
    );
    z-index: 10;
}