/* Reset e variabili CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Palette di verdi */
    --verde-primario: #2d5016;
    --verde-secondario: #4a7c59;
    --verde-chiaro: #7fb069;
    --verde-pastello: #a7c957;
    --verde-menta: #b8e6b8;
    --verde-acqua: #6b9080;
    
    /* Colori di supporto */
    --bianco: #ffffff;
    --grigio-chiaro: #f8f9fa;
    --grigio-medio: #6c757d;
    --grigio-scuro: #343a40;
    --nero: #000000;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Shadows */
    --shadow-light: 0 2px 10px rgba(45, 80, 22, 0.1);
    --shadow-medium: 0 4px 20px rgba(45, 80, 22, 0.15);
    --shadow-heavy: 0 8px 30px rgba(45, 80, 22, 0.2);
}

/* Base styles */
body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--grigio-scuro);
    background: linear-gradient(135deg, var(--bianco) 0%, var(--grigio-chiaro) 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Offset for fixed header so content is not hidden under it */
main {
    padding-top: 120px;
}

/* Header e Navigation */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-light);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h1 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--verde-primario);
    margin-bottom: -0.2rem;
}

.nav-brand .tagline {
    font-size: 0.8rem;
    color: var(--verde-secondario);
    font-weight: 300;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    text-decoration: none;
    color: var(--grigio-scuro);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--verde-primario);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--verde-pastello);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--verde-primario);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--verde-menta) 0%, var(--verde-pastello) 50%, var(--verde-chiaro) 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    padding: var(--spacing-xl) var(--spacing-md);
    z-index: 2;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-title .highlight {
    color: var(--verde-secondario);
    position: relative;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--verde-pastello);
    opacity: 0.7;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--grigio-scuro);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--verde-primario);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--grigio-medio);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button {
    display: inline-block;
    background: var(--verde-primario);
    color: var(--bianco);
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
}

.cta-button:hover {
    background: var(--verde-secondario);
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 100vh;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.element {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}

.element-1 {
    width: 100px;
    height: 100px;
    background: var(--verde-acqua);
    top: 20%;
    right: 20%;
    animation-delay: 0s;
}

.element-2 {
    width: 150px;
    height: 150px;
    background: var(--verde-pastello);
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.element-3 {
    width: 80px;
    height: 80px;
    background: var(--verde-chiaro);
    top: 40%;
    right: 40%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Section Styles */
.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--verde-primario);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--verde-pastello);
}

/* Project Section */
.project-section {
    padding: var(--spacing-xl) 0;
    background: var(--bianco);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.project-card {
    background: linear-gradient(135deg, var(--verde-menta) 0%, var(--bianco) 100%);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.project-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-sm);
}

.project-card p {
    color: var(--grigio-scuro);
    line-height: 1.6;
}

.concept-explanation {
    background: linear-gradient(135deg, var(--verde-pastello) 0%, var(--verde-chiaro) 100%);
    padding: var(--spacing-lg);
    border-radius: 15px;
    text-align: center;
    margin-top: var(--spacing-lg);
}

.concept-explanation h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-sm);
}

.concept-explanation p {
    font-size: 1.1rem;
    color: var(--grigio-scuro);
    max-width: 800px;
    margin: 0 auto;
}

/* Authors Section */
.authors-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--grigio-chiaro) 0%, var(--verde-menta) 100%);
}

.authors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.author-card {
    background: var(--bianco);
    padding: var(--spacing-lg);
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-medium);
    transition: transform 0.3s ease;
}

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

.author-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--verde-primario) 0%, var(--verde-secondario) 100%);
    color: var(--bianco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-sm);
}

.author-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-xs);
}

.author-role {
    color: var(--verde-secondario);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.collaboration-story {
    background: var(--bianco);
    padding: var(--spacing-lg);
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-light);
}

.collaboration-story h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-sm);
}

.collaboration-story p {
    font-size: 1.1rem;
    color: var(--grigio-scuro);
    margin-bottom: var(--spacing-md);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.youtube-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: linear-gradient(135deg, var(--verde-primario) 0%, var(--verde-secondario) 100%);
    color: var(--bianco);
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
}

.youtube-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

/* Video Section */
.video-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--bianco) 0%, var(--verde-menta) 100%);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--grigio-scuro);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.9;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.video-card {
    background: var(--bianco);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-card:hover .play-overlay {
    opacity: 1;
}

.play-button {
    width: 60px;
    height: 60px;
    background: var(--verde-primario);
    color: var(--bianco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transform: scale(0.8);
    transition: all 0.3s ease;
}

.video-card:hover .play-button {
    transform: scale(1);
    background: var(--verde-secondario);
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: var(--bianco);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.video-info {
    padding: var(--spacing-md);
}

.video-info h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.video-info p {
    color: var(--grigio-scuro);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--grigio-medio);
}

.video-views {
    font-weight: 500;
}

.video-date {
    opacity: 0.8;
}

.video-cta {
    text-align: center;
    background: var(--bianco);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: var(--shadow-light);
}

.video-cta p {
    font-size: 1.1rem;
    color: var(--grigio-scuro);
    margin-bottom: var(--spacing-md);
}

.youtube-channel-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: linear-gradient(135deg, var(--verde-primario) 0%, var(--verde-secondario) 100%);
    color: var(--bianco);
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
}

.youtube-channel-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

/* In Progress Video Cards */
.video-card.in-progress {
    opacity: 0.8;
}

.in-progress-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--grigio-chiaro) 0%, var(--verde-menta) 50%, var(--grigio-chiaro) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.in-progress-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.in-progress-text {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--verde-primario);
    text-align: center;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 2px;
    text-transform: uppercase;
    z-index: 2;
    position: relative;
}

.in-progress-icon {
    font-size: 2.5rem;
    opacity: 0.7;
    z-index: 2;
    position: relative;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
}

.video-card.in-progress .video-meta .video-views,
.video-card.in-progress .video-meta .video-date {
    color: var(--verde-secondario);
    font-weight: 500;
    font-style: italic;
}

.video-card.in-progress:hover {
    transform: translateY(-5px);
    opacity: 0.9;
}

/* Participate Section */
.participate-section {
    /* aumenta lo spazio superiore per non essere coperta dall'header */
    padding: calc(var(--spacing-xl) + 40px) 0 var(--spacing-xl);
    background: var(--bianco);
}

.participate-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.participate-text h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-sm);
}

.participate-text p {
    font-size: 1.1rem;
    color: var(--grigio-scuro);
    margin-bottom: var(--spacing-md);
}

.requirements {
    background: linear-gradient(135deg, var(--verde-menta) 0%, var(--grigio-chiaro) 100%);
    padding: var(--spacing-md);
    border-radius: 10px;
    margin: var(--spacing-md) 0;
}

.requirements h4 {
    color: var(--verde-primario);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.requirements ul {
    list-style: none;
    padding-left: 0;
}

.requirements li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--grigio-scuro);
}

.requirements li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--verde-primario);
    font-weight: bold;
}

.opportunity {
    font-style: italic;
    color: var(--verde-secondario);
    font-weight: 500;
}

.contact-form {
    background: linear-gradient(135deg, var(--verde-pastello) 0%, var(--verde-chiaro) 100%);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
}

.contact-form h4 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.submission-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.submission-form input,
.submission-form textarea {
    padding: var(--spacing-sm);
    border: 2px solid transparent;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--bianco);
    transition: border-color 0.3s ease;
}

.submission-form input:focus,
.submission-form textarea:focus {
    outline: none;
    border-color: var(--verde-primario);
}

.submit-button {
    background: var(--verde-primario);
    color: var(--bianco);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.submit-button:hover {
    background: var(--verde-secondario);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--verde-primario);
    color: var(--bianco);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.footer-brand h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    opacity: 0.8;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--bianco);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.7;
    font-size: 0.9rem;
}

.footer-mogol-disclaimer {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    font-weight: 600;
    opacity: 0.9;
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-xl) var(--spacing-sm);
    }
    
    .hero-visual {
        height: 300px;
        order: -1;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .participate-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .authors-grid {
        grid-template-columns: 1fr;
    }
    
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav {
        padding: var(--spacing-sm);
    }
    
    .nav-brand h1 {
        font-size: 1.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Nuovi stili per le pagine PHP */

/* Stili per le sezioni preview nella homepage */
.preview-sections {
    padding: var(--spacing-xl) 0;
    background: var(--grigio-chiaro);
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.preview-card {
    background: var(--bianco);
    padding: var(--spacing-lg);
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.preview-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.preview-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.preview-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-sm);
}

.preview-link {
    display: inline-block;
    color: var(--verde-secondario);
    text-decoration: none;
    font-weight: 600;
    margin-top: var(--spacing-sm);
    transition: color 0.3s ease;
}

.preview-link:hover {
    color: var(--verde-primario);
}

/* Stili per la sezione ultimo video */
.latest-video {
    padding: var(--spacing-xl) 0;
    background: var(--bianco);
}

.featured-video {
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.video-card.featured {
    transform: none;
}

/* Stili per le pagine di dettaglio */
.project-details, .authors-details {
    padding: var(--spacing-xl) 0;
    background: var(--grigio-chiaro);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.detail-section {
    background: var(--bianco);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: var(--shadow-light);
}

.detail-section h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-sm);
}

.detail-section h4 {
    color: var(--verde-secondario);
    margin: var(--spacing-md) 0 var(--spacing-sm);
    font-weight: 600;
}

.detail-section ul {
    list-style: none;
    padding-left: 0;
}

.detail-section li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--grigio-scuro);
}

.detail-section li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--verde-pastello);
    font-weight: bold;
}

/* Stili per il processo creativo */
.process-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--verde-menta) 0%, var(--grigio-chiaro) 100%);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.step {
    background: var(--bianco);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-light);
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--verde-primario);
    color: var(--bianco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-sm);
}

.step h4 {
    font-family: var(--font-heading);
    color: var(--verde-primario);
    margin-bottom: var(--spacing-xs);
}

/* Stili per la timeline */
.collaboration-history {
    padding: var(--spacing-xl) 0;
    background: var(--bianco);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--verde-pastello);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-year {
    background: var(--verde-primario);
    color: var(--bianco);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-weight: 600;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.timeline-content {
    background: var(--grigio-chiaro);
    padding: var(--spacing-md);
    border-radius: 15px;
    width: 45%;
    margin-top: var(--spacing-lg);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 55%;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 55%;
}

.timeline-content h4 {
    color: var(--verde-primario);
    margin-bottom: var(--spacing-xs);
}

/* Stili per le statistiche video */
.video-stats {
    padding: var(--spacing-xl) 0;
    background: var(--grigio-chiaro);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--bianco);
    padding: var(--spacing-lg);
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-light);
}

.stat-card .stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--verde-primario);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.stat-card .stat-label {
    color: var(--grigio-medio);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Stili per behind the scenes */
.behind-scenes {
    padding: var(--spacing-xl) 0;
    background: var(--bianco);
}

.behind-content {
    max-width: 800px;
    margin: 0 auto;
}

.behind-text h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-sm);
}

.behind-text h4 {
    color: var(--verde-secondario);
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

/* Stili per il form migliorato */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-help {
    display: block;
    font-size: 0.85rem;
    color: var(--grigio-medio);
    margin-top: var(--spacing-xs);
}

/* Stili per upload file */
.file-upload-wrapper {
    position: relative;
    cursor: pointer;
}

.file-input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-upload-display {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border: 2px dashed #ccc;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.file-upload-wrapper:hover .file-upload-display {
    border-color: var(--verde-pastello);
    background: var(--grigio-chiaro);
}

.file-upload-icon {
    font-size: 2rem;
    margin-right: var(--spacing-sm);
}

.file-upload-text {
    flex: 1;
}

.file-upload-label {
    display: block;
    font-weight: 600;
    color: var(--verde-primario);
}

.file-upload-info {
    display: block;
    font-size: 0.85rem;
    color: var(--grigio-medio);
}

/* Stili per checkbox personalizzata */
.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.95rem;
    line-height: 1.4;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #ccc;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

input[type="checkbox"]:checked + .checkbox-label .checkbox-custom {
    background: var(--verde-primario);
    border-color: var(--verde-primario);
}

input[type="checkbox"]:checked + .checkbox-label .checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

input[type="checkbox"] {
    display: none;
}

/* Stili per gli alert */
.alert {
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.alert-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert-icon {
    font-size: 1.2rem;
    font-weight: bold;
    flex-shrink: 0;
}

.alert-content h4 {
    margin: 0 0 var(--spacing-xs);
    font-size: 1.1rem;
}

.alert-content ul {
    margin: 0;
    padding-left: var(--spacing-md);
}

/* Stili per disclaimer legale */
.legal-disclaimer {
    padding: var(--spacing-xl) 0;
    background: var(--grigio-chiaro);
}

.disclaimer-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bianco);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: var(--shadow-light);
}

.disclaimer-content h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.disclaimer-text ul {
    margin-bottom: var(--spacing-md);
}

.disclaimer-text li {
    margin-bottom: var(--spacing-xs);
}

.disclaimer-note {
    background: var(--verde-menta);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--verde-primario);
    margin-top: var(--spacing-md);
}

/* Stili per FAQ */
.faq-section {
    padding: var(--spacing-xl) 0;
    background: var(--bianco);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.faq-item {
    background: var(--grigio-chiaro);
    padding: var(--spacing-md);
    border-radius: 10px;
}

.faq-item h4 {
    color: var(--verde-primario);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

/* Stili per CTA sections */
.cta-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--verde-pastello) 0%, var(--verde-chiaro) 100%);
    text-align: center;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--grigio-scuro);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button.secondary {
    background: transparent;
    color: var(--verde-primario);
    border: 2px solid var(--verde-primario);
}

.cta-button.secondary:hover {
    background: var(--verde-primario);
    color: var(--bianco);
}

/* Stili per video in progress */
.video-card.in-progress .video-thumbnail {
    background: linear-gradient(135deg, var(--verde-menta) 0%, var(--verde-pastello) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.in-progress-placeholder {
    text-align: center;
    color: var(--verde-primario);
}

.in-progress-text {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.in-progress-icon {
    font-size: 2rem;
}

/* Avatar Video Section */
.avatar-video-section {
    padding: var(--spacing-lg) 0;
    background: linear-gradient(135deg, var(--bianco) 0%, var(--verde-menta) 100%);
}

.avatar-video-container {
    max-width: 320px;
    margin: 0 auto;
    background: var(--bianco);
    padding: var(--spacing-sm);
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
    border: 2px solid var(--verde-pastello);
}

.avatar-video {
    width: 100%;
    height: auto;
    border-radius: 15px;
    display: block;
}

.avatar-video:focus {
    outline: 3px solid var(--verde-primario);
    outline-offset: 4px;
}

/* Responsive adjustments for avatar video */
@media (max-width: 768px) {
    .avatar-video-container {
        padding: var(--spacing-sm);
    }
}

/* Mogol Tribute Section */
.mogol-tribute {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--grigio-chiaro) 0%, var(--verde-menta) 50%, var(--grigio-chiaro) 100%);
}

.mogol-content {
    max-width: 900px;
    margin: 0 auto;
}

.mogol-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.mogol-icon {
    font-size: 3rem;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: scale(1.1) rotate(10deg);
        opacity: 0.8;
    }
}

.mogol-card {
    background: var(--bianco);
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: var(--shadow-heavy);
    border: 3px solid var(--verde-pastello);
    position: relative;
    overflow: hidden;
}

.mogol-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--verde-primario) 0%, var(--verde-pastello) 50%, var(--verde-primario) 100%);
}

.mogol-card h3 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--verde-primario);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.mogol-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--verde-pastello) 50%, transparent 100%);
}

.mogol-text {
    line-height: 1.8;
    color: var(--grigio-scuro);
}

.mogol-text p {
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
    text-align: justify;
}

.mogol-text p:first-of-type {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--verde-primario);
}

.mogol-personal {
    font-style: italic;
    background: linear-gradient(135deg, var(--verde-menta) 0%, var(--grigio-chiaro) 100%);
    padding: var(--spacing-md);
    border-radius: 10px;
    border-left: 4px solid var(--verde-secondario);
    margin: var(--spacing-lg) 0 !important;
}

.mogol-conclusion {
    font-size: 1.2rem !important;
    font-weight: 600;
    color: var(--verde-primario);
    text-align: center !important;
    margin-top: var(--spacing-lg) !important;
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--verde-pastello);
    font-style: italic;
}

.mogol-disclaimer {
    font-size: 0.95rem;
    color: #1a3a0d;
    font-weight: 800;
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: rgba(45, 80, 22, 0.05);
    border-radius: 10px;
    border: 2px solid var(--verde-primario);
    font-style: normal;
    line-height: 1.6;
}

/* Responsive adjustments for Mogol section */
@media (max-width: 768px) {
    .mogol-card {
        padding: var(--spacing-lg);
    }
    
    .mogol-card h3 {
        font-size: 1.8rem;
    }
    
    .mogol-text p {
        text-align: left;
        font-size: 1rem;
    }
    
    .mogol-conclusion {
        font-size: 1.1rem !important;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-card,
.author-card {
    animation: fadeInUp 0.6s ease forwards;
}

.project-card:nth-child(2) {
    animation-delay: 0.2s;
}

.project-card:nth-child(3) {
    animation-delay: 0.4s;
}

/* Help Widget */
.help-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: var(--verde-primario);
    color: var(--bianco);
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-heavy);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    z-index: 9500; /* sotto a modali/notification (10000) */
}

.help-fab:hover {
    background: var(--verde-secondario);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(45, 80, 22, 0.25);
}

.help-panel {
    position: fixed;
    bottom: 90px;
    right: 24px;
    width: 320px;
    max-height: 70vh;
    overflow: auto;
    background: var(--bianco);
    color: var(--grigio-scuro);
    border-radius: 14px;
    box-shadow: var(--shadow-heavy);
    padding: var(--spacing-md);
    transform: translateY(10px) scale(0.98);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
    z-index: 9600;
}

.help-widget.open .help-panel {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.help-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.help-header h3 {
    font-family: var(--font-heading);
    color: var(--verde-primario);
    font-size: 1.1rem;
    margin: 0;
}

.help-close {
    background: transparent;
    border: none;
    color: var(--verde-primario);
    font-size: 1.4rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    transition: background 0.2s ease;
}

.help-close:hover {
    background: var(--grigio-chiaro);
}

.help-body p {
    margin-bottom: var(--spacing-sm);
}

.help-actions {
    list-style: none;
    padding-left: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.help-action {
    display: block;
    width: 100%;
    text-decoration: none;
    background: linear-gradient(135deg, var(--grigio-chiaro) 0%, var(--bianco) 100%);
    border: 1px solid rgba(0,0,0,0.06);
    color: var(--verde-primario);
    font-weight: 600;
    padding: 0.6rem 0.8rem;
    border-radius: 10px;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.help-action:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-light);
    background: var(--bianco);
}

.help-faq-container {
    margin-top: var(--spacing-sm);
}

.help-faq-title {
    font-family: var(--font-heading);
    color: var(--verde-primario);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.help-faq-item {
    background: var(--grigio-chiaro);
    padding: var(--spacing-xs);
    border-radius: 8px;
    margin-bottom: var(--spacing-xs);
}

.help-faq-item summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--verde-primario);
    outline: none;
}

.help-faq-item p {
    margin-top: var(--spacing-xs);
    color: var(--grigio-scuro);
    line-height: 1.4;
}

/* Responsive */
@media (max-width: 480px) {
    .help-panel {
        right: 12px;
        left: 12px;
        width: auto;
        bottom: 80px;
    }
    .help-fab {
        bottom: 16px;
        right: 16px;
        width: 52px;
        height: 52px;
    }
}