/* CSS Variables & Theme */
:root {
    --bg-primary: #000000;
    --bg-secondary: #241F21;
    --bg-tertiary: #2D3730;
    
    --text-primary: #FFFFFF;
    --text-secondary: #D4DFD8;
    
    --accent: #00843E;
    --accent-hover: #006830;
    
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --container-width: 1200px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-stack);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3rem; font-weight: 700; }
h2 { font-size: 2.5rem; font-weight: 600; }
h3 { font-size: 1.5rem; font-weight: 500; }

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--text-primary);
}

img, svg {
    max-width: 100%;
    display: block;
}

ul { list-style: none; }

/* Utilities */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--text-primary);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    color: var(--text-primary); /* Ensure text stays white */
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section {
    padding: var(--spacing-lg) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent);
}

/* Grid System */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    h1 { font-size: 4rem; }
}

/* Accessibility */
.skip-to-content {
    position: absolute;
    top: -9999px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 10px 20px;
    z-index: 9999;
}

.skip-to-content:focus {
    top: 20px;
}

/* Header & Nav */
.announcement-bar {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    text-align: center;
    padding: 0.5rem;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.announcement-bar a {
    text-decoration: underline;
    font-weight: bold;
}

.site-header {
    background-color: rgba(0, 0, 0, 0.95);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
}

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


.header-logo {
    max-height: 50px;
    width: auto;
    object-fit: contain;
}

.logo a {
    display: block;
}

.primary-nav {
    display: none;
}

@media (min-width: 900px) {
    .primary-nav { display: block; }
    .mobile-menu-toggle { display: none; }
    
    .nav-list {
        display: flex;
        gap: var(--spacing-md);
        align-items: center;
    }
    
    .nav-list a {
        color: var(--text-secondary);
        font-weight: 500;
        font-size: 0.95rem;
    }
    
    .nav-list a.active, .nav-list a:hover {
        color: var(--accent);
    }

    .nav-list a.highlight-link {
        color: var(--accent);
        border: 1px solid var(--accent);
        padding: 0.5rem 1rem;
        border-radius: 4px;
    }
    
    .nav-list a.highlight-link:hover {
        background-color: var(--accent);
        color: var(--text-primary);
    }
}

/* Mobile Menu */
.mobile-menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger-box {
    width: 30px;
    height: 24px;
    position: relative;
    display: inline-block;
}

.hamburger-inner, .hamburger-inner::before, .hamburger-inner::after {
    width: 30px;
    height: 2px;
    background-color: var(--text-primary);
    position: absolute;
    transition: all 0.3s ease;
}

.hamburger-inner { top: 50%; transform: translateY(-50%); }
.hamburger-inner::before { content: ''; top: -8px; }
.hamburger-inner::after { content: ''; bottom: -8px; }

.mobile-menu-toggle[aria-expanded="true"] .hamburger-inner { background-color: transparent; }
.mobile-menu-toggle[aria-expanded="true"] .hamburger-inner::before { top: 0; transform: rotate(45deg); }
.mobile-menu-toggle[aria-expanded="true"] .hamburger-inner::after { bottom: 0; transform: rotate(-45deg); }

.primary-nav.is-open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--accent);
}

.primary-nav.is-open .nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
}

/* Hero Section */
.hero-section {
    background-color: var(--bg-primary);
    background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('assets/hero_bg.png'); /* Updated path */
    background-size: cover;
    background-position: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 4px rgba(0,0,0,0.7);
}

.hero-cta-box {
    background-color: rgba(36, 31, 33, 0.85);
    padding: var(--spacing-md);
    border: 1px solid var(--accent);
    border-radius: 8px;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    box-shadow: 0 4px 20px rgba(0, 132, 62, 0.2);
    backdrop-filter: blur(5px);
}

.hero-migration-text {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.hero-trust {
    font-size: 0.9rem;
    color: var(--text-secondary);
    opacity: 0.8;
    margin-top: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

/* Sections */
.chi-siamo-section {
    background-color: var(--bg-secondary);
    background-image: radial-gradient(circle at top right, rgba(0, 132, 62, 0.1), transparent 40%);
}

.lead-text {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.content-wrapper {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

/* Valori Cards */
.valori-section {
    background-color: var(--bg-tertiary);
}

.card {
    background-color: rgba(255,255,255,0.05);
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease, background-color 0.3s ease;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    background-color: rgba(255,255,255,0.1);
}

.card-icon {
    color: var(--accent);
    margin-bottom: var(--spacing-sm);
}

/* Servizi */
.servizi-section {
    background-color: var(--bg-secondary);
}

.service-item {
    background-color: rgba(0,0,0,0.2);
    border-radius: 8px;
    padding: var(--spacing-sm);
    transition: transform 0.3s ease;
    border: 1px solid transparent;
}

.service-item:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 132, 62, 0.3);
}

.service-img-container {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.service-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.service-item h3 {
    margin-bottom: 0.5rem;
    padding: 0 0.5rem;
    color: var(--accent);
}

.service-item p {
    padding: 0 0.5rem 1rem 0.5rem;
}

/* Kosmail Section */
.kosmail-section {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--bg-tertiary);
    border-bottom: 1px solid var(--bg-tertiary);
}

.kosmail-container {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 900px) {
    .kosmail-container {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.kosmail-content {
    text-align: left;
}

.kosmail-desc {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

/* Accordion */
.accordion {
    margin-top: var(--spacing-sm);
}

.accordion-item {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.accordion-header {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--text-primary);
    padding: 1rem 0;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-icon {
    color: var(--accent);
    font-weight: bold;
    font-size: 1.2rem;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--text-secondary);
}

.accordion-content p {
    padding-bottom: 1rem;
    font-size: 0.95rem;
}

.accordion-header[aria-expanded="true"] .accordion-icon {
    transform: rotate(45deg);
}

/* Contact Form */
.contatti-section {
    background-color: var(--bg-tertiary);
}

.contact-list li {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.contact-list a {
    color: var(--text-primary);
}

.contact-list a:hover {
    color: var(--accent);
}

.contact-form {
    background-color: rgba(0,0,0,0.2);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 10px;
    background-color: var(--bg-primary);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-primary);
    border-radius: 4px;
    font-family: inherit;
}

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

/* Footer */
.site-footer {
    background-color: #000;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--bg-tertiary);
    font-size: 0.9rem;
    color: #666;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-links a {
    color: #888;
    margin: 0 10px;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-note {
    color: var(--accent);
    font-size: 0.85rem;
}