/* Reset e variabili CSS */
:root {
    --primary-color: #1877F2;
    --primary-dark: #166FE5;
    --primary-light: #4A9FFF;
    
    --text-primary: #FFFFFF;
    --text-secondary: #B8BCC8;
    --text-muted: #6C7293;
    
    --bg-primary: #0A0B0D;
    --bg-secondary: #141519;
    --bg-tertiary: #1A1B21;
    --bg-card: #1E1F26;
    
    --border-color: #2A2B33;
    --gradient-primary: linear-gradient(135deg, #1877F2 0%, #4A9FFF 100%);
    --gradient-secondary: linear-gradient(135deg, #1A1B21 0%, #2A2B33 100%);
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Header e Navigazione */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 11, 13, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

/* Logo Link Styles */
.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
    outline: none;
}

.logo-link:focus {
    outline: none;
}

.logo-link:hover {
    transform: scale(1.02);
}

.logo-link:hover .logo-img {
    transform: scale(1.05);
}

.logo-link h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    margin: 0;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(24, 119, 242, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(24, 119, 242, 0.4);
}

.back-to-top:active {
    transform: translateY(-1px);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
    transition: var(--transition-fast);
}

.back-to-top:hover svg {
    transform: translateY(-2px);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-fast);
}

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

.cta-button {
    background: var(--primary-color);
    color: var(--text-primary) !important;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-primary {
    background: var(--primary-color);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    display: inline-block;
}

.cta-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(24, 119, 242, 0.3);
}

.cta-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    display: inline-block;
}

.cta-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.abstract-shape {
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.1;
    position: absolute;
    animation: float 6s ease-in-out infinite;
}

.abstract-shape-2 {
    width: 200px;
    height: 200px;
    background: var(--gradient-secondary);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    position: absolute;
    animation: float 8s ease-in-out infinite reverse;
    opacity: 0.3;
}

/* AI Brain Animation */
.ai-animation {
    position: relative;
    z-index: 10;
}

.ai-brain {
    width: 250px;
    height: 250px;
    position: relative;
    animation: brainPulse 4s ease-in-out infinite;
}

.brain-core {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 60px rgba(24, 119, 242, 0.6);
    animation: coreGlow 3s ease-in-out infinite;
}

.neural-network {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.neuron {
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    box-shadow: 0 0 20px rgba(24, 119, 242, 0.8);
}

.neuron:nth-child(1) {
    top: 20%;
    left: 20%;
    animation: neuronPulse 2s ease-in-out infinite;
}

.neuron:nth-child(2) {
    top: 20%;
    right: 20%;
    animation: neuronPulse 2s ease-in-out infinite 0.3s;
}

.neuron:nth-child(3) {
    bottom: 20%;
    left: 20%;
    animation: neuronPulse 2s ease-in-out infinite 0.6s;
}

.neuron:nth-child(4) {
    bottom: 20%;
    right: 20%;
    animation: neuronPulse 2s ease-in-out infinite 0.9s;
}

.neuron:nth-child(5) {
    top: 50%;
    left: 10%;
    animation: neuronPulse 2s ease-in-out infinite 1.2s;
}

.neuron:nth-child(6) {
    top: 50%;
    right: 10%;
    animation: neuronPulse 2s ease-in-out infinite 1.5s;
}

.data-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.particle {
    width: 4px;
    height: 4px;
    background: var(--primary-light);
    border-radius: 50%;
    position: absolute;
    opacity: 0;
}

.particle:nth-child(1) {
    top: 50%;
    left: 50%;
    animation: particleFlow 3s ease-in-out infinite;
}

.particle:nth-child(2) {
    top: 50%;
    left: 50%;
    animation: particleFlow 3s ease-in-out infinite 0.4s;
}

.particle:nth-child(3) {
    top: 50%;
    left: 50%;
    animation: particleFlow 3s ease-in-out infinite 0.8s;
}

.particle:nth-child(4) {
    top: 50%;
    left: 50%;
    animation: particleFlow 3s ease-in-out infinite 1.2s;
}

.particle:nth-child(5) {
    top: 50%;
    left: 50%;
    animation: particleFlow 3s ease-in-out infinite 1.6s;
}

.particle:nth-child(6) {
    top: 50%;
    left: 50%;
    animation: particleFlow 3s ease-in-out infinite 2s;
}

.particle:nth-child(7) {
    top: 50%;
    left: 50%;
    animation: particleFlow 3s ease-in-out infinite 2.4s;
}

.particle:nth-child(8) {
    top: 50%;
    left: 50%;
    animation: particleFlow 3s ease-in-out infinite 2.8s;
}

/* Animations */
@keyframes brainPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes coreGlow {
    0%, 100% { 
        box-shadow: 0 0 60px rgba(24, 119, 242, 0.6);
        transform: translate(-50%, -50%) scale(1);
    }
    50% { 
        box-shadow: 0 0 80px rgba(24, 119, 242, 0.9);
        transform: translate(-50%, -50%) scale(1.1);
    }
}

@keyframes neuronPulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.8;
    }
    50% { 
        transform: scale(1.5);
        opacity: 1;
    }
}

@keyframes particleFlow {
    0% {
        opacity: 0;
        transform: translate(0, 0) scale(0);
    }
    20% {
        opacity: 1;
        transform: translate(0, 0) scale(1);
    }
    80% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translate(var(--end-x, 100px), var(--end-y, -100px)) scale(0.5);
    }
}

.particle:nth-child(1) { --end-x: 80px; --end-y: -80px; }
.particle:nth-child(2) { --end-x: -80px; --end-y: -80px; }
.particle:nth-child(3) { --end-x: 80px; --end-y: 80px; }
.particle:nth-child(4) { --end-x: -80px; --end-y: 80px; }
.particle:nth-child(5) { --end-x: 100px; --end-y: 0px; }
.particle:nth-child(6) { --end-x: -100px; --end-y: 0px; }
.particle:nth-child(7) { --end-x: 0px; --end-y: -100px; }
.particle:nth-child(8) { --end-x: 0px; --end-y: 100px; }

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Value Proposition */
.value-proposition {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

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

.value-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(24, 119, 242, 0.1);
}

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

.value-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.value-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Services Section */
.services {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

.service-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(24, 119, 242, 0.1);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.service-link:hover {
    color: var(--primary-light);
}

/* Projects Section */
.projects {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

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

.project-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(24, 119, 242, 0.1);
}

.project-number {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.2;
}

.project-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.project-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Other Projects Section */
.other-projects {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

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

.other-project-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
}

.other-project-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(24, 119, 242, 0.1);
}

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

.other-project-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.other-project-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.project-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.project-link:hover {
    color: var(--primary-light);
    transform: translateX(3px);
}

/* About Section */
.about {
    padding: var(--spacing-xl) 0;
}

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

.about-text h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.mission {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.about-visual {
    height: 400px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Matrix Rain Animation */
.matrix-container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    background: #000000;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 0 20px rgba(24, 119, 242, 0.1);
}

.matrix-rain {
    display: flex;
    justify-content: space-between;
    height: 100%;
    width: 100%;
    position: relative;
}

.matrix-column {
    display: flex;
    flex-direction: column;
    gap: 2px;
    animation: matrixScroll 8s linear infinite;
    position: relative;
    flex: 1;
    max-width: 8%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.matrix-char {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    font-weight: normal;
    color: var(--primary-color);
    text-shadow: 0 0 4px rgba(24, 119, 242, 0.6);
    opacity: 0.8;
    white-space: nowrap;
}

.matrix-char.bright {
    color: var(--primary-light);
    text-shadow: 0 0 8px rgba(74, 159, 255, 1);
    opacity: 1;
}

.matrix-char.medium {
    color: var(--primary-color);
    text-shadow: 0 0 6px rgba(24, 119, 242, 0.8);
    opacity: 0.9;
}

.matrix-char.dim {
    color: var(--primary-dark);
    text-shadow: 0 0 2px rgba(22, 111, 229, 0.4);
    opacity: 0.6;
}

/* Ordine di apparizione personalizzato: 3, 5, 1, 8, 2, 7, 4, 10, 6, 12, 9, 11 */
.matrix-column:nth-child(3) { 
    animation-duration: 7s; 
    animation-delay: 0s;
    opacity: 1;
    transition-delay: 0s;
}
.matrix-column:nth-child(5) { 
    animation-duration: 8s; 
    animation-delay: 0.5s;
    opacity: 1;
    transition-delay: 0.3s;
}
.matrix-column:nth-child(1) { 
    animation-duration: 6s; 
    animation-delay: 1s;
    opacity: 1;
    transition-delay: 0.6s;
}
.matrix-column:nth-child(8) { 
    animation-duration: 5.8s; 
    animation-delay: 1.5s;
    opacity: 1;
    transition-delay: 0.9s;
}
.matrix-column:nth-child(2) { 
    animation-duration: 6.5s; 
    animation-delay: 2s;
    opacity: 1;
    transition-delay: 1.2s;
}
.matrix-column:nth-child(7) { 
    animation-duration: 7.5s; 
    animation-delay: 2.5s;
    opacity: 1;
    transition-delay: 1.5s;
}
.matrix-column:nth-child(4) { 
    animation-duration: 5.5s; 
    animation-delay: 3s;
    opacity: 1;
    transition-delay: 1.8s;
}
.matrix-column:nth-child(10) { 
    animation-duration: 6.8s; 
    animation-delay: 3.5s;
    opacity: 1;
    transition-delay: 2.1s;
}
.matrix-column:nth-child(6) { 
    animation-duration: 6.2s; 
    animation-delay: 4s;
    opacity: 1;
    transition-delay: 2.4s;
}
.matrix-column:nth-child(12) { 
    animation-duration: 6.3s; 
    animation-delay: 4.5s;
    opacity: 1;
    transition-delay: 2.7s;
}
.matrix-column:nth-child(9) { 
    animation-duration: 8.5s; 
    animation-delay: 5s;
    opacity: 1;
    transition-delay: 3s;
}
.matrix-column:nth-child(11) { 
    animation-duration: 7.2s; 
    animation-delay: 5.5s;
    opacity: 1;
    transition-delay: 3.3s;
}

/* Matrix Animations */
@keyframes matrixScroll {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(100%);
    }
}

@keyframes matrixScroll {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(100%);
    }
}

/* Simplified gradient for performance */
.matrix-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.9) 0%,
        transparent 15%,
        transparent 85%,
        rgba(0, 0, 0, 0.9) 100%
    );
    pointer-events: none;
    z-index: 1;
}

@keyframes rotate {
    from { transform: rotate(45deg); }
    to { transform: rotate(405deg); }
}

/* Contact Section */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-info h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.contact-method:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.contact-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    border-radius: 50%;
}

.contact-method h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-method p {
    color: var(--text-secondary);
    margin: 0;
}

.contact-form {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(24, 119, 242, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.contact-form button {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--primary-color);
    color: var(--text-primary);
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.contact-form button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(24, 119, 242, 0.3);
}

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-logo-img {
    height: 50px;
    width: auto;
    margin-bottom: var(--spacing-xs);
    transition: var(--transition-fast);
}

.footer-logo-img:hover {
    transform: scale(1.05);
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo-img {
        height: 35px;
    }
    
    .footer-logo-img {
        height: 40px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    .back-to-top svg {
        width: 18px;
        height: 18px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-secondary);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: var(--spacing-lg) 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .hero-visual {
        height: 300px;
    }

    .hero-cta {
        justify-content: center;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .value-grid,
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 30px;
    }
    
    .footer-logo-img {
        height: 35px;
    }
    
    .back-to-top {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
    }
    
    .back-to-top svg {
        width: 16px;
        height: 16px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }

    .nav-container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-xl) 0;
    }

    .section-header {
        margin-bottom: var(--spacing-lg);
    }

    .value-item,
    .service-card,
    .project-card {
        padding: var(--spacing-md);
    }

    .contact-form {
        padding: var(--spacing-md);
    }
}

/* Animazioni e microinterazioni */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Scrollbar personalizzata */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: var(--text-primary);
}

/* Cookie Policy Page Styles */
.cookie-policy-section {
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
    min-height: 100vh;
}

.policy-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.policy-header h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.policy-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.policy-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

.policy-intro {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.policy-intro p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.policy-section {
    margin-bottom: var(--spacing-xl);
}

.policy-section:last-child {
    margin-bottom: 0;
}

.policy-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.policy-section p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.policy-section ul {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.policy-section li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.policy-section li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.browser-links {
    display: grid;
    gap: var(--spacing-sm);
}

.browser-links li {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.browser-links li:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.browser-links li::before {
    content: '🔗';
}

.policy-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.policy-footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.back-to-site {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.back-to-site:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* Responsive Cookie Policy */
@media (max-width: 768px) {
    .cookie-policy-section {
        padding: var(--spacing-xl) 0 var(--spacing-lg);
    }
    
    .policy-content {
        padding: var(--spacing-lg);
        margin: 0 var(--spacing-md);
    }
    
    .policy-header h1 {
        font-size: clamp(2rem, 6vw, 2.5rem);
    }
    
    .policy-subtitle {
        font-size: 1.125rem;
    }
    
    .policy-section h2 {
        font-size: 1.25rem;
    }
    
    .policy-footer {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .policy-content {
        padding: var(--spacing-md);
        margin: 0 var(--spacing-sm);
    }
    
    .policy-section h2 {
        font-size: 1.125rem;
    }
    
    .policy-section p,
    .policy-section li {
        font-size: 0.95rem;
    }
}

/* Focus states per accessibilità */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: none;
}

/* Focus states personalizzati */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Rimuovi focus dal logo link */
.logo-link:focus {
    outline: none;
    box-shadow: none;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md);
    z-index: 10000;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cookie-banner-text {
    flex: 1;
    min-width: 300px;
}

.cookie-banner-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.cookie-policy-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.cookie-policy-link:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.cookie-banner-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.cookie-accept-btn,
.cookie-reject-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

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

.cookie-accept-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(24, 119, 242, 0.3);
}

.cookie-reject-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.cookie-reject-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Responsive Cookie Banner */
@media (max-width: 768px) {
    .cookie-banner {
        padding: var(--spacing-sm);
    }
    
    .cookie-banner-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .cookie-banner-text {
        min-width: auto;
    }
    
    .cookie-banner-text p {
        font-size: 0.85rem;
    }
    
    .cookie-banner-actions {
        width: 100%;
        justify-content: center;
    }
    
    .cookie-accept-btn,
    .cookie-reject-btn {
        flex: 1;
        max-width: 150px;
    }
}

@media (max-width: 480px) {
    .cookie-banner-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .cookie-accept-btn,
    .cookie-reject-btn {
        width: 100%;
        max-width: none;
    }
}