:root {
    --bg-primary: #ffffff;
    --bg-surface: #f19020;
    --bg-glass: rgba(241, 144, 32, 0.50);
    --text-primary: #000000;
    --text-secondary: #000000;
    --accent: #f19020;
    --border: #f19020;
    --max-width: 1100px;
    --radius: 20px;
}

*,
*::before,
*::after {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.65;
    min-height: 100vh;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    text-align: center;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header & Centered Logo */
header {
    position: -webkit-sticky;
    position: -moz-sticky;
    position: -ms-sticky;
    position: -o-sticky;
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--bg-glass);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-container {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 1rem 1.75rem;
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr auto 1fr;
    grid-template-columns: 1fr auto 1fr;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 1rem;
}

.logo {
    -ms-grid-column: 2;
    grid-column: 2;
    justify-self: center;
    display: -webkit-inline-box;
    display: -webkit-inline-flex;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-img {
    height: 48px;
    width: auto;
    max-width: 100%;
    -o-object-fit: contain;
    object-fit: contain;
    display: block;
}

.header-actions {
    -ms-grid-column: 3;
    grid-column: 3;
    justify-self: end;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: end;
    -webkit-justify-content: flex-end;
    -ms-flex-pack: end;
    justify-content: flex-end;
    gap: 0.75rem;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

.php-pill {
    display: -webkit-inline-box;
    display: -webkit-inline-flex;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid var(--border);
    padding: 0.45rem 0.95rem;
    -webkit-border-radius: 999px;
    -moz-border-radius: 999px;
    border-radius: 999px;
    text-decoration: none;
    -webkit-transition: background 0.2s ease, -webkit-transform 0.2s ease, transform 0.2s ease, color 0.2s ease;
    -moz-transition: background 0.2s ease, -moz-transform 0.2s ease, transform 0.2s ease, color 0.2s ease;
    -o-transition: background 0.2s ease, -o-transform 0.2s ease, transform 0.2s ease, color 0.2s ease;
    transition: background 0.2s ease, -webkit-transform 0.2s ease, transform 0.2s ease, color 0.2s ease;
    white-space: nowrap;
}

.php-pill:hover {
    background: var(--border);
    color: #ffffff;
    -webkit-transform: translateY(-1px);
    -moz-transform: translateY(-1px);
    -ms-transform: translateY(-1px);
    -o-transform: translateY(-1px);
    transform: translateY(-1px);
}

/* Main Body */
main {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2.5rem 1.5rem 4rem;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 3rem;
}

.content-section.maintenance-banner {
    background: none;
}

/* Carousel */
.carousel {
    position: relative;
    width: 100%;
    height: 400px;
    -webkit-border-radius: var(--radius);
    -moz-border-radius: var(--radius);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    -webkit-box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    -moz-box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}

.carousel-track {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    height: 100%;
    -webkit-transition: -webkit-transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    -moz-transition: -moz-transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    -o-transition: -o-transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    transition: -webkit-transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), -webkit-transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.carousel-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    overflow: hidden;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    
    -o-object-position: center;
    object-position: center;
}

.slide-caption {
    position: absolute;
    inset: 0;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: -webkit-linear-gradient(bottom, rgba(9, 13, 22, 0.45) 0%, rgba(9, 13, 22, 0.25) 50%, transparent 100%);
    background: -moz-linear-gradient(bottom, rgba(9, 13, 22, 0.45) 0%, rgba(9, 13, 22, 0.25) 50%, transparent 100%);
    background: -o-linear-gradient(bottom, rgba(9, 13, 22, 0.45) 0%, rgba(9, 13, 22, 0.25) 50%, transparent 100%);
    background: linear-gradient(to top, rgba(9, 13, 22, 0.45) 0%, rgba(9, 13, 22, 0.25) 50%, transparent 100%);
    padding: 3rem 3.5rem;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: end;
    -webkit-justify-content: flex-end;
    -ms-flex-pack: end;
    justify-content: flex-end;
    -webkit-box-align: start;
    -webkit-align-items: flex-start;
    -ms-flex-align: start;
    align-items: flex-start;
}

.slide-badge {
    display: none;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 700;
    padding: 0.35rem 0.85rem;
    -webkit-border-radius: 999px;
    -moz-border-radius: 999px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    margin-bottom: 0.75rem;
}

.slide-title {
    display: none;
    font-size: clamp(1.75rem, 3.5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

.carousel-empty {
    height: 100%;
    display: -ms-grid;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.carousel-btn {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    position: absolute;
    top: 50%;
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.55);
    color: #fff;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    cursor: pointer;
    display: -ms-grid;
    display: grid;
    place-items: center;
    -webkit-transition: background 0.2s ease, -webkit-transform 0.2s ease, transform 0.2s ease;
    -moz-transition: background 0.2s ease, -moz-transform 0.2s ease, transform 0.2s ease;
    -o-transition: background 0.2s ease, -o-transform 0.2s ease, transform 0.2s ease;
    transition: background 0.2s ease, -webkit-transform 0.2s ease, transform 0.2s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    -webkit-transform: translateY(-50%) scale(1.06);
    -moz-transform: translateY(-50%) scale(1.06);
    -ms-transform: translateY(-50%) scale(1.06);
    -o-transform: translateY(-50%) scale(1.06);
    transform: translateY(-50%) scale(1.06);
}

.carousel-btn.prev {
    left: 1.25rem;
}

.carousel-btn.next {
    right: 1.25rem;
}

.carousel-indicators {
    position: absolute;
    bottom: 1.5rem;
    right: 2.5rem;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    gap: 0.6rem;
    z-index: 10;
}

.indicator {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 28px;
    height: 6px;
    -webkit-border-radius: 999px;
    -moz-border-radius: 999px;
    border-radius: 999px;
    border: none;
    background: rgba(255, 255, 255, 0.35);
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.indicator.active {
    width: 44px;
    background: #ffffff;
}

/* Content & File Sections below Carousel */
.section-separator {
    border: 0;
    border-top: 1px solid var(--border);
    width: 100%;
}

.content-section {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    -webkit-border-radius: var(--radius);
    -moz-border-radius: var(--radius);
    border-radius: var(--radius);
    padding: 2.75rem 3rem;
    -webkit-box-shadow: 0 12px 32px -8px rgba(0, 0, 0, 0.35);
    -moz-box-shadow: 0 12px 32px -8px rgba(0, 0, 0, 0.35);
    box-shadow: 0 12px 32px -8px rgba(0, 0, 0, 0.35);
    text-align: center;
}

.content-section h2 {
    font-size: 1.65rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.015em;
}

.content-section p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.documents-section {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 1.25rem;
}

.documents-heading {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.015em;
}

.files-row {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: stretch;
    -webkit-align-items: stretch;
    -ms-flex-align: stretch;
    align-items: stretch;
    gap: 1rem;
}

.content-section.file-section {
    width: 95px;
    min-height: 134px; /* A4 aspect ratio fallback for browsers lacking aspect-ratio */
    aspect-ratio: 210 / 297;
    padding: 0.6rem;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    text-align: center;
    -webkit-transition: background 0.2s ease, -webkit-transform 0.2s ease, transform 0.2s ease;
    -moz-transition: background 0.2s ease, -moz-transform 0.2s ease, transform 0.2s ease;
    -o-transition: background 0.2s ease, -o-transform 0.2s ease, transform 0.2s ease;
    transition: background 0.2s ease, -webkit-transform 0.2s ease, transform 0.2s ease;
}

.content-section.file-section:hover {
    background: rgba(241, 144, 32, 0.50);
}

.file-download-link {
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 700;
    line-height: 1.25;
    text-decoration: underline;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: anywhere;
    -webkit-transition: color 0.2s ease;
    -moz-transition: color 0.2s ease;
    -o-transition: color 0.2s ease;
    transition: color 0.2s ease;
}

.content-section.file-section:hover .file-download-link,
.file-download-link:hover {
    color: #ffffff;
}

/* Social Section inside Contatti */
.social-section {
    margin-top: 1.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.15);
}

.social-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.015em;
}

.social-links {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 1.25rem;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

.social-link {
    display: -webkit-inline-box;
    display: -webkit-inline-flex;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    background: #ffffff;
    color: var(--text-primary);
    border: 1px solid var(--border);
    text-decoration: none;
    -webkit-transition: -webkit-transform 0.2s ease, transform 0.2s ease, background 0.2s ease, color 0.2s ease, -webkit-box-shadow 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    -moz-transition: -moz-transform 0.2s ease, transform 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    -o-transition: -o-transform 0.2s ease, transform 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    transition: -webkit-transform 0.2s ease, transform 0.2s ease, background 0.2s ease, color 0.2s ease, -webkit-box-shadow 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.social-link svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    display: block;
}

.social-link:hover {
    -webkit-transform: translateY(-3px);
    -moz-transform: translateY(-3px);
    -ms-transform: translateY(-3px);
    -o-transform: translateY(-3px);
    transform: translateY(-3px);
    -webkit-box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25);
    -moz-box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25);
}


/* Footer */
footer {
    border-top: 1px solid var(--border);
    background: #ffffff;
    padding: 2rem 1.5rem;
    margin-top: auto;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-align: center;
}

#about-warning {
    text-align: center;
}

@media (max-width: 640px) {
    .header-container {
        display: -webkit-box;
        display: -webkit-flex;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -webkit-flex-direction: column;
        -ms-flex-direction: column;
        flex-direction: column;
        -webkit-box-align: center;
        -webkit-align-items: center;
        -ms-flex-align: center;
        align-items: center;
    }

    .logo,
    .header-actions,
    .php-pill {
        grid-column: 1;
        justify-self: center;
    }

    .header-actions {
        -webkit-box-pack: center;
        -webkit-justify-content: center;
        -ms-flex-pack: center;
        justify-content: center;
        gap: 0.5rem;
    }

    .carousel {
        height: 360px;
    }

    .slide-caption {
        padding: 2rem 1.5rem 3rem;
    }

    .carousel-btn {
        display: none;
    }

    .carousel-indicators {
        right: 50%;
        -webkit-transform: translateX(50%);
        -moz-transform: translateX(50%);
        -ms-transform: translateX(50%);
        -o-transform: translateX(50%);
        transform: translateX(50%);
    }

    .content-section {
        padding: 1.85rem 1.5rem;
    }
}