:root {
    --primary-blue-dark: #2a5298;
    --primary-blue-darker: #1e3c72;
    --secondary-blue: #00bcd4;
    --secondary-blue-dark: #0097a7;
    --neutral-light: #f8f9fa;
    --neutral-dark: #666;
}

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

html, body {
    height: 100%;
    width: 100%;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f0f2f5;
    color: var(--neutral-dark);
    overflow-x: hidden;
}

.slide-container {
    width: 100vw;
    background-color: white;
    overflow-x: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    margin-bottom: 0;
    padding-bottom: 0;
    padding-top: 120px;
}

/* Eliminazione spazio tra sezioni */
.slide-container + .promo-sections {
    margin-top: 0;
    padding-top: 0;
}

/* Header Styles */
.header {
    background-color: white;
    height: 120px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 80px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 90px;
    width: auto;
}

.nav {
    display: flex;
    gap: 50px;
}

.nav-item {
    font-weight: 600;
    font-size: 22px;
    color: var(--neutral-dark);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    padding: 12px 8px;
    text-decoration: none;
    border-radius: 8px;
}

.nav-item:hover {
    color: var(--primary-blue-dark);
    background-color: rgba(42, 82, 152, 0.05);
    transform: translateY(-2px);
}

.nav-item.active {
    color: var(--primary-blue-dark);
    background-color: rgba(42, 82, 152, 0.08);
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 5px;
    background: var(--secondary-blue);
    border-radius: 3px;
}

/* Common Section Styles */
.title-section {
    text-align: center;
    padding: 40px 0;
    position: relative;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-blue-dark);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--secondary-blue);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 18px;
    font-weight: 400;
    max-width: 700px;
    margin: 0 auto;
    margin-top: 20px;
}

/* Accent Shapes */
.accent-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(0, 188, 212, 0.05);
    z-index: 0;
}

.accent-shape-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -200px;
}

.accent-shape-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -150px;
}

/* Common Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 188, 212, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(0, 188, 212, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 188, 212, 0); }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .header {
        padding: 0 50px;
        height: 140px;
    }
    
    .slide-container {
        padding-top: 140px;
    }
    
    .logo img {
        height: 90px;
    }
    
    .nav {
        gap: 40px;
    }
    
    .nav-item {
        font-size: 20px;
        padding: 10px 6px;
    }
    
    .section-title {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 30px;
        flex-direction: column;
        height: auto;
        min-height: 180px;
        justify-content: center;
    }
    
    .slide-container {
        padding-top: 180px;
    }
    
    .logo {
        margin-bottom: 25px;
    }
    
    .logo img {
        height: 80px;
    }
    
    .nav {
        gap: 30px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-item {
        font-size: 18px;
        padding: 10px 12px;
        border-radius: 12px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 16px;
        padding: 0 20px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 20px;
        min-height: 160px;
    }
    
    .slide-container {
        padding-top: 160px;
    }
    
    .logo {
        margin-bottom: 20px;
    }
    
    .logo img {
        height: 65px;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .nav-item {
        font-size: 16px;
        padding: 8px 10px;
        border-radius: 10px;
    }
    
    .section-title {
        font-size: 24px;
    }
}