/* ===== VARIABILI COLORE MARMI ===== */
:root {
    /* Colori dei marmi */
    --carrara: #f8f8f8;        /* Bianco di Carrara */
    --carrara-dark: #e8e8e8;
    --verde: #2e8b57;          /* Verde Alpi */
    --verde-dark: #1e6b47;
    --verde-light: #3eab67;
    --nero: #1a1a1a;           /* Nero Marquina */
    --nero-light: #2a2a2a;
    
    /* Colori complementari */
    --oro: #d4af37;            /* Oro per accenti */
    --oro-dark: #b4942b;
    --grigio-marmo: #cccccc;
    --grigio-chiaro: #f5f5f5;
    
    /* Variabili funzionali */
    --primary: var(--nero);
    --primary-light: var(--nero-light);
    --secondary: var(--verde);
    --secondary-dark: var(--verde-dark);
    --secondary-light: var(--verde-light);
    --accent: var(--carrara);
    --accent-dark: var(--carrara-dark);
    --highlight: var(--oro);
    
    /* Variabili di design */
    --shadow: 0 5px 20px rgba(26, 26, 26, 0.1);
    --shadow-lg: 0 10px 40px rgba(26, 26, 26, 0.15);
    --shadow-verde: 0 5px 20px rgba(46, 139, 87, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --container-width: 1200px;
}

/* ===== RESET E BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.7;
    color: var(--nero);
    background-color: var(--carrara);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
    position: relative;
}

.section-title {
    font-size: 2.8rem;
    color: var(--nero);
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
    padding-bottom: 20px;
}

.section-title i {
    color: var(--verde);
    margin-right: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--carrara), var(--verde), var(--nero));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--nero-light);
    max-width: 700px;
    margin: 0 auto;
    font-weight: 400;
    opacity: 0.8;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 35px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background-color: var(--verde);
    color: var(--carrara);
    box-shadow: var(--shadow-verde);
}

.btn-primary:hover {
    background-color: var(--verde-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(46, 139, 87, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--nero);
    border: 2px solid var(--nero);
}

.btn-secondary:hover {
    background-color: var(--nero);
    color: var(--carrara);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.text-center {
    text-align: center;
}

/* ===== HEADER E NAVIGATION ===== */
.header {
    background-color: var(--carrara);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 3px solid var(--verde);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--nero);
    gap: 15px;
}

#logo-image {
    height: 60px;
    width: auto;
    transition: var(--transition);
}

.logo:hover #logo-image {
    transform: scale(1.05);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--nero);
    font-family: 'Playfair Display', serif;
    letter-spacing: 1px;
}

.logo-sub {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--verde);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-link {
    text-decoration: none;
    color: var(--nero);
    font-weight: 500;
    padding: 12px 20px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--verde);
    color: var(--carrara);
}

.nav-link i {
    font-size: 0.9rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    width: 30px;
    height: 24px;
    justify-content: space-between;
}

.nav-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--nero);
    transition: var(--transition);
    border-radius: 2px;
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(rgba(26, 26, 26, 0.85), rgba(26, 26, 26, 0.9)), 
                url('https://images.unsplash.com/photo-1548013146-72479768bada?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--carrara);
    padding: 200px 0 120px;
    margin-top: 103px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 60%, rgba(46, 139, 87, 0.1) 100%);
    pointer-events: none;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 25px;
    color: var(--carrara);
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 50px;
    color: rgba(248, 248, 248, 0.9);
    font-weight: 300;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    padding-top: 40px;
    border-top: 1px solid rgba(248, 248, 248, 0.2);
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--carrara);
    font-weight: 500;
}

.feature i {
    color: var(--verde);
    font-size: 1.2rem;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    background: linear-gradient(var(--carrara), var(--grigio-chiaro));
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path fill="%232e8b57" fill-opacity="0.05" d="M0,0 L100,0 L100,100 Q50,80 0,100 Z"/></svg>');
    background-size: cover;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-image {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: rotate(-1deg);
    transition: var(--transition);
}

.about-image:hover {
    transform: rotate(0deg);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.8s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.experience-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--verde);
    color: var(--carrara);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-verde);
    z-index: 2;
    border: 5px solid var(--carrara);
}

.experience-badge span {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
}

.experience-badge small {
    font-size: 0.9rem;
    text-align: center;
    padding: 0 10px;
}

.marble-types {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: flex;
    gap: 10px;
}

.marble-type {
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--carrara);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.marble-type.carrara {
    background-color: var(--carrara);
    color: var(--nero);
    border: 2px solid var(--nero);
}

.marble-type.verde {
    background-color: var(--verde);
}

.marble-type.nero {
    background-color: var(--nero);
}

.about-text h3 {
    font-size: 2.2rem;
    color: var(--nero);
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.about-text h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--verde);
}

.about-text p {
    margin-bottom: 25px;
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--nero-light);
}

.quote {
    background: linear-gradient(135deg, var(--grigio-chiaro), var(--carrara));
    border-left: 4px solid var(--verde);
    padding: 25px;
    border-radius: var(--border-radius);
    margin: 30px 0;
    box-shadow: var(--shadow);
    position: relative;
}

.quote i {
    color: var(--verde);
    font-size: 1.5rem;
    position: absolute;
    top: 20px;
    left: 20px;
    opacity: 0.3;
}

.quote p {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--nero);
    margin-bottom: 10px;
    padding-left: 30px;
}

.quote cite {
    font-style: normal;
    font-weight: 600;
    color: var(--verde);
    padding-left: 30px;
}

.pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.pillar {
    text-align: center;
    padding: 25px 20px;
    background-color: var(--carrara);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 3px solid transparent;
}

.pillar:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--verde);
}

.pillar i {
    font-size: 2.5rem;
    color: var(--verde);
    margin-bottom: 20px;
}

.pillar h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--nero);
}

.pillar p {
    font-size: 0.95rem;
    margin-bottom: 0;
    color: var(--nero-light);
}

/* ===== SERVICES SECTION ===== */
.services-section {
    background-color: var(--carrara);
    position: relative;
}

.services-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--carrara), var(--verde), var(--nero), var(--carrara));
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 35px;
}

.service-card {
    background-color: var(--carrara);
    border-radius: var(--border-radius-lg);
    padding: 35px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--grigio-marmo);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--carrara), var(--grigio-marmo));
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    background: linear-gradient(90deg, var(--verde), var(--carrara));
}

.service-icon {
    font-size: 3.5rem;
    color: var(--verde);
    margin-bottom: 25px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.8rem;
    color: var(--nero);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--grigio-chiaro);
}

.service-card ul {
    list-style: none;
    margin-bottom: 30px;
}

.service-card li {
    padding: 12px 0;
    border-bottom: 1px solid var(--grigio-chiaro);
    position: relative;
    padding-left: 35px;
    font-size: 1.05rem;
    color: var(--nero-light);
}

.service-card li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--verde);
    font-weight: bold;
    font-size: 1.2rem;
}

.service-note {
    font-style: italic;
    color: #666;
    font-size: 0.9rem;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

/* Service Notice - Stile per "Cosa non facciamo" */
.service-notice {
    background: linear-gradient(135deg, #fff5f5, #fff);
    border: 2px solid #ff6b6b;
    border-left: 6px solid #ff6b6b;
    padding: 25px;
    border-radius: var(--border-radius);
    margin-top: 50px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    box-shadow: 0 5px 20px rgba(255, 107, 107, 0.1);
}

.service-notice i {
    font-size: 2.5rem;
    color: #ff6b6b;
    margin-top: 5px;
    flex-shrink: 0;
}

.notice-content h4 {
    font-size: 1.5rem;
    color: #ff6b6b;
    margin-bottom: 10px;
    font-weight: 600;
}

.notice-content p {
    margin: 0;
    color: #333;
    line-height: 1.7;
}

.notice-content strong {
    color: #ff6b6b;
}

/* Service Highlight */
.service-highlight {
    background: linear-gradient(135deg, #f5f5f5, #f8f8f8);
    border-left: 5px solid #2e8b57;
    padding: 25px;
    border-radius: var(--border-radius);
    margin-top: 30px;
    display: flex;
    align-items: center;
    gap: 25px;
    box-shadow: var(--shadow);
}

.highlight-icon {
    font-size: 2.5rem;
    color: #2e8b57;
    flex-shrink: 0;
}

.highlight-content h4 {
    font-size: 1.4rem;
    color: #1a1a1a;
    margin-bottom: 10px;
}

.highlight-content p {
    margin: 0;
    color: #1a1a1a;
    line-height: 1.6;
}

.highlight-content strong {
    color: #2e8b57;
}

/* ===== GALLERY SLIDER ===== */
.gallery-slider-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto 40px;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    background-color: #f8f8f8;
    height: 500px;
}

.gallery-slider {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
}

.slider-item {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    display: none;
}

.slider-item.active {
    display: block;
}

.slider-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.slide-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: white;
    padding: 25px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.slide-number {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.slider-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    padding: 0 10px;
}

.slider-btn {
    background: #2e8b57;
    color: white;
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.5rem;
    box-shadow: 0 5px 15px rgba(46, 139, 87, 0.3);
}

.slider-btn:hover {
    background: #1e6b47;
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(46, 139, 87, 0.4);
}

.slider-dots {
    display: flex;
    gap: 15px;
}

.slider-dot {
    background: transparent;
    border: none;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    position: relative;
}

.slider-dot span {
    display: block;
    width: 12px;
    height: 12px;
    background: #cccccc;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.slider-dot.active span {
    background: #2e8b57;
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(46, 139, 87, 0.5);
}

.slider-dot:hover span {
    background: #2e8b57;
    transform: scale(1.2);
}

#sliderContent {
    width: 100%;
    height: 100%;
}

.loading-gallery {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px;
}

.loading-gallery i {
    font-size: 3rem;
    color: #2e8b57;
    margin-bottom: 20px;
}

.loading-gallery p {
    color: #666;
    font-size: 1.2rem;
}

.empty-slider-message {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
}

.empty-slider-message i {
    font-size: 4rem;
    color: #cccccc;
    margin-bottom: 25px;
    opacity: 0.7;
}

.empty-slider-message h3 {
    color: #2e8b57;
    margin-bottom: 15px;
    font-size: 1.8rem;
}

.empty-slider-message p {
    color: #666;
    margin: 10px 0;
    font-size: 1.1rem;
    max-width: 600px;
}

.empty-slider-message strong {
    color: #1a1a1a;
    background-color: #f0f0f0;
    padding: 3px 8px;
    border-radius: 4px;
    font-family: monospace;
}

/* Istruzioni Galleria */
.gallery-instructions {
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    border: 2px solid #2e8b57;
    border-left: 6px solid #2e8b57;
    padding: 25px;
    border-radius: var(--border-radius);
    margin-top: 40px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    box-shadow: 0 5px 20px rgba(46, 139, 87, 0.1);
}

.instruction-icon {
    font-size: 2.5rem;
    color: #2e8b57;
    margin-top: 5px;
    flex-shrink: 0;
}

.instruction-content h4 {
    font-size: 1.4rem;
    color: #1a1a1a;
    margin-bottom: 10px;
    font-weight: 600;
}

.instruction-content p {
    margin: 8px 0;
    color: #333;
    line-height: 1.6;
}

.instruction-content code {
    background: #e9ecef;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    color: #d63384;
}

/* ===== PRODUCTS SECTION ===== */
.products-section {
    background-color: var(--carrara);
    position: relative;
}

.product-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 80px;
    align-items: center;
}

.product-info h3 {
    font-size: 2.2rem;
    color: var(--nero);
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.product-info h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--verde);
}

.product-info p {
    margin-bottom: 35px;
    font-size: 1.15rem;
    line-height: 1.9;
    color: var(--nero-light);
}

.product-benefits {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.benefit {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.benefit i {
    font-size: 1.8rem;
    color: var(--verde);
    margin-top: 5px;
    flex-shrink: 0;
}

.benefit h4 {
    font-size: 1.3rem;
    color: var(--nero);
    margin-bottom: 8px;
}

.benefit p {
    font-size: 1rem;
    margin: 0;
    color: var(--nero-light);
}

.product-logo {
    text-align: center;
    padding: 40px 30px;
    background-color: var(--grigio-chiaro);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.product-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--verde), var(--carrara));
}

.product-logo img {
    max-width: 100%;
    height: auto;
    transition: var(--transition);
    margin-bottom: 25px;
}

.product-logo:hover img {
    filter: grayscale(0) brightness(1);
    opacity: 1;
}

.product-certification {
    background-color: var(--verde);
    color: var(--carrara);
    padding: 12px 20px;
    border-radius: var(--border-radius);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    box-shadow: var(--shadow-verde);
}

.product-certification i {
    font-size: 1.2rem;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    background: linear-gradient(135deg, var(--grigio-chiaro) 0%, var(--carrara) 100%);
    position: relative;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.contact-card {
    background-color: var(--carrara);
    padding: 30px 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border-top: 4px solid var(--verde);
}

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

.contact-icon {
    font-size: 2.5rem;
    color: var(--verde);
    margin-bottom: 20px;
}

.contact-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--nero);
}

.contact-card p {
    margin-bottom: 10px;
    font-size: 1.1rem;
    color: var(--nero);
}

.contact-card a {
    color: var(--nero);
    text-decoration: none;
    transition: var(--transition);
}

.contact-card a:hover {
    color: var(--verde);
}

.contact-card small {
    color: var(--nero-light);
    font-size: 0.9rem;
}

.contact-form-container {
    background-color: var(--carrara);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border-top: 5px solid var(--verde);
}

.contact-form h3 {
    font-size: 1.8rem;
    color: var(--nero);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-form h3 i {
    color: var(--verde);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 18px 20px;
    border: 2px solid var(--grigio-marmo);
    border-radius: var(--border-radius);
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--grigio-chiaro);
    color: var(--nero);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--verde);
    background-color: var(--carrara);
    box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--nero-light);
    font-size: 0.95rem;
    cursor: pointer;
}

.form-group input[type="checkbox"] {
    width: auto;
    accent-color: var(--verde);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--nero);
    color: var(--carrara);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--carrara), var(--verde), var(--nero));
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 50px;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.footer-logo-img {
    height: 70px;
    width: auto;
    margin-bottom: 20px;
}

.footer-logo h3 {
    color: var(--carrara);
    font-size: 1.6rem;
    margin-bottom: 15px;
}

.footer-logo p {
    color: rgba(248, 248, 248, 0.7);
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background-color: rgba(248, 248, 248, 0.1);
    color: var(--carrara);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.2rem;
}

.footer-social a:hover {
    background-color: var(--verde);
    transform: translateY(-3px);
}

.footer-links h4 {
    color: var(--carrara);
    font-size: 1.4rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--verde);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(248, 248, 248, 0.7);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--carrara);
    padding-left: 5px;
}

.footer-links a i {
    color: var(--verde);
    font-size: 0.8rem;
}

.footer-contact h4 {
    color: var(--carrara);
    font-size: 1.4rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--verde);
}

.footer-contact p {
    color: rgba(248, 248, 248, 0.7);
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.footer-contact i {
    color: var(--verde);
    width: 20px;
    margin-top: 3px;
}

.footer-contact a {
    color: rgba(248, 248, 248, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-contact a:hover {
    color: var(--carrara);
}

.footer-bottom {
    border-top: 1px solid rgba(248, 248, 248, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(248, 248, 248, 0.5);
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

.marble-bar {
    display: flex;
    height: 4px;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 30px;
}

.marble-color {
    flex: 1;
}

.marble-color.carrara {
    background-color: var(--carrara);
}

.marble-color.verde {
    background-color: var(--verde);
}

.marble-color.nero {
    background-color: var(--nero);
}

.footer-note {
    font-style: italic;
    margin-top: 15px;
    color: rgba(248, 248, 248, 0.6);
    font-size: 0.9rem;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
    z-index: 100;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
    color: white;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .gallery-slider-container {
        height: 450px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .about-content,
    .product-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pillars {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .gallery-slider-container {
        height: 400px;
    }
    
    .slider-btn {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .slider-dot {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 103px;
        left: -100%;
        flex-direction: column;
        background-color: var(--carrara);
        width: 100%;
        text-align: left;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 20px;
        z-index: 999;
        gap: 10px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        padding: 15px 20px;
        border-radius: var(--border-radius);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .pillars {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .gallery-slider-container {
        height: 350px;
        margin: 0 auto 30px;
        border-radius: 10px;
    }
    
    .slider-controls {
        margin-top: 20px;
    }
    
    .slider-btn {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
    
    .slider-dot span {
        width: 10px;
        height: 10px;
    }
    
    .empty-slider-message i {
        font-size: 3rem;
    }
    
    .empty-slider-message h3 {
        font-size: 1.5rem;
    }
    
    .gallery-instructions {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .instruction-icon {
        margin-top: 0;
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 150px 0 80px;
        margin-top: 86px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .about-image {
        transform: rotate(0deg);
    }
    
    .experience-badge {
        width: 100px;
        height: 100px;
    }
    
    .experience-badge span {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-container {
        padding: 30px 20px;
    }
    
    .whatsapp-float {
        width: 60px;
        height: 60px;
        font-size: 1.7rem;
        bottom: 20px;
        right: 20px;
    }
    
    .gallery-slider-container {
        height: 300px;
    }
    
    .slider-controls {
        flex-direction: column;
        gap: 20px;
    }
    
    .slider-dots {
        order: -1;
    }
    
    .empty-slider-message {
        padding: 20px;
    }
    
    .empty-slider-message i {
        font-size: 2.5rem;
    }
    
    .empty-slider-message h3 {
        font-size: 1.3rem;
    }
    
    .empty-slider-message p {
        font-size: 1rem;
    }
    
}