:root {
    /* Color Palette - Premium Warm Theme */
    --color-bg-main: #1b2749;
    --color-bg-secondary: #f9f9f9;
    --color-header-bg: #1b2749;
    
    --color-text-main: #333333;
    --color-text-light: #ffffff;
    --color-text-muted: #666666;
    
    --color-primary: #e27160; /* Coral/Orange */
    --color-primary-hover: #cf5f4f;
    
    --color-accent: #1b2749; /* Deep Blue */
    --color-accent-light: #fcf0ef;
    --color-accent-yellow: #f3eddc;
    
    /* Typography */
    --font-sans: 'Montserrat', sans-serif;
    --font-serif: 'Playfair Display', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 5rem;
    --spacing-xl: 10rem;
    
    /* Effects */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 24px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4, .logo-text {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-main);
}

a {
    color: var(--color-text-main);
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

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

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.w-100 { width: 100%; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

/* Utilities */
.highlight {
    color: var(--color-primary);
}

.highlight-gradient {
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lead {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.card {
    background: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    padding: 3rem;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), opacity 0.8s ease;
    opacity: 0;
    transform: translateY(30px);
}

.card.visible {
    opacity: 1;
    transform: translateY(0);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1.1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-family: var(--font-sans);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: scale(1.05);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}
.btn-outline:hover {
    background: var(--color-primary);
    color: white;
}

.btn-light {
    background: white;
    color: var(--color-accent);
}
.btn-light:hover {
    transform: scale(1.05);
}

/* Header & Nav */
.header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    height: 70px;
    background: rgba(27, 39, 73, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    width: 80%;
    height: 60px;
    background: rgba(27, 39, 73, 0.8);
}

.nav-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 0 2rem;
}

.logo-text {
    font-size: 1.8rem;
    color: white;
}

.logo-text .highlight {
    color: var(--color-primary);
}

.nav-links a {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    color: white;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    transition: var(--transition-fast);
}

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

.btn-nav {
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    background: transparent;
}

.btn-nav:hover {
    background: white;
    color: var(--color-accent);
    border-color: white;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text-main);
    position: absolute;
    left: 0;
    transition: var(--transition-fast);
}
.mobile-menu-btn span:nth-child(1) { top: 0; }
.mobile-menu-btn span:nth-child(2) { top: 9px; }
.mobile-menu-btn span:nth-child(3) { top: 18px; }

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background-color: var(--color-bg-main);


    color: white;
}

.hero-text h1 {
    font-size: 4.5rem;
    margin-bottom: 2rem;
    color: white;
}

.hero-text .subtitle {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 3rem;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.hero-image-placeholder {
    width: 100%;
    aspect-ratio: 1/1;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

/* Sections Common */
.section-header {
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.divider {
    height: 3px;
    width: 60px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 3px;
    margin-bottom: 1.5rem;
}

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

/* Chi Sono */
#chi-sono {
    background-color: #f9f9f9;
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.about-text p {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}
.stat-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Percorsi */
.services {
    background-color: var(--color-bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.service-card {
    background: white;
    padding: 4rem 3rem;
    border-radius: var(--border-radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), opacity 0.8s ease;
    opacity: 0;
    transform: translateY(30px);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    display: inline-block;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 1rem;
    margin-bottom: 2rem;
}

/* Testimonianze */
#testimonianze {
    color: white;
}
#testimonianze .section-header h2 {
    color: white;
}
#testimonianze .testimonial-text {
    color: rgba(255, 255, 255, 0.9);
}
#testimonianze .testimonial-author {
    color: white;
}
.testimonial-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    padding: 2rem 0;
}

.testimonial-card {
    display: none;
    text-align: center;
    padding: 3rem 2rem;
}
.testimonial-card.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.quote-icon {
    font-size: 4rem;
    color: var(--color-primary);
    font-family: var(--font-serif);
    line-height: 1;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.testimonial-text {
    font-size: 1.25rem;
    font-style: italic;
    margin-bottom: 2rem;
    color: var(--color-text-main);
}

.testimonial-author strong {
    display: block;
    font-size: 1.1rem;
    color: var(--color-accent);
}
.testimonial-author span {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 2rem;
}

.carousel-btn {
    background: none;
    border: 1px solid var(--glass-border);
    color: var(--color-text-main);
    width: 40px; height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
}
.carousel-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.carousel-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--glass-border);
    cursor: pointer;
    transition: var(--transition-fast);
}
.dot.active {
    background: var(--color-primary);
    transform: scale(1.2);
}

/* Book Promo */
.bg-accent {
    background: linear-gradient(135deg, var(--color-bg-secondary), rgba(59, 130, 246, 0.1));
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.book-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.book-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 20px 20px 40px rgba(0,0,0,0.5);
    transform: perspective(1000px) rotateY(-15deg);
    transition: transform var(--transition-normal);
}
.book-placeholder:hover {
    transform: perspective(1000px) rotateY(0deg);
}

/* Contact */
.contact-wrapper {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 3rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.form-group input, .form-group textarea {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 1rem;
    color: var(--color-text-main);
    font-family: var(--font-sans);
    transition: border-color var(--transition-fast);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.contact-info {
    padding: 2rem;
    background: rgba(0,0,0,0.2);
    border-radius: var(--border-radius);
}

.contact-info h3 {
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.info-details p {
    margin-bottom: 0.5rem;
    color: var(--color-text-main);
}

/* Footer */
.footer {
    background: var(--color-header-bg);
    color: white;
    padding: 6rem 0 3rem;
    text-align: center;
}

.footer-logo {
    margin-bottom: 3rem;
}

.footer-logo .logo-text {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.footer-logo p {
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
}

.footer-bottom {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* Animations & Responsiveness */
.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease;
}
.fade-in.visible {
    opacity: 1;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 992px) {
    .hero-content, .about-grid, .book-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-text h1 {
        font-size: 3rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .main-nav {
        position: static;
        width: auto;
        background: none;
        padding: 0;
        transform: none;
        border-bottom: none;
    }
    
    .nav-links {
        flex-direction: row;
        gap: 1rem;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: flex-start;
    }
}
@media (max-width: 992px) { .hero-signature-img { display: none; } }

#contatti { background-color: #f9f9f9; }


.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(27, 39, 73, 0.4);
    z-index: 2;
}