/* 
 * AIrredo Landing Page Styles
 * Modern, tech-focused design for AI furniture image generation service
 */

/* ===== Base Styles ===== */
:root {
    /* Color Variables */
    --primary-blue: #2563EB;
    --primary-blue-light: #3B82F6;
    --primary-blue-dark: #1D4ED8;
    --accent-purple: #7C3AED;
    --accent-purple-light: #8B5CF6;
    --accent-purple-dark: #6D28D9;
    --white: #FFFFFF;
    --off-white: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--gray-800);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--primary-blue-dark);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

section {
    padding: var(--spacing-3xl) 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1rem;
    border: none;
    outline: none;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--accent-purple);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background-color: var(--accent-purple-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-outline:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

/* Stile per il pulsante nella Navbar */
.btn-navbar {
    padding: 0.6rem 1.2rem;
    font-weight: 600;
    transition: all 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    color: var(--white);
}

.btn-navbar:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.6);
    color: var(--white);
    transition: all 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-purple));
    border-radius: var(--radius-full);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    color: var(--gray-600);
    font-size: 1.1rem;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md) 0;
    transition: all var(--transition-normal);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    margin: 0 auto;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gray-900);
}

.logo span {
    color: var(--primary-blue);
}

.nav-links ul {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    color: var(--gray-800);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.hamburger {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
}

.hamburger span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: var(--gray-800);
    border-radius: var(--radius-full);
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: var(--transition-fast);
}

.hamburger span:nth-child(1) {
    top: 0px;
}

.hamburger span:nth-child(2) {
    top: 8px;
}

.hamburger span:nth-child(3) {
    top: 16px;
}

.hamburger.open span:nth-child(1) {
    top: 8px;
    transform: rotate(135deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
    left: -60px;
}

.hamburger.open span:nth-child(3) {
    top: 8px;
    transform: rotate(-135deg);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1c2d 0%, #2c2f47 100%);
    color: var(--white);
    overflow: hidden;
    padding-top: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(124, 58, 237, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(37, 99, 235, 0.2) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    padding: var(--spacing-3xl) 0;
}

.hero-content.vertical {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-3xl);
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-3xl) 0;
    width: 90%;
}

.hero-text {
    flex: 1;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(90deg, var(--white), var(--gray-300));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xl);
    color: var(--gray-300);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
    animation: fadeInUp 1.2s ease-out 0.3s backwards;
}

.hero-buttons .btn {
    padding: 0.9rem 1.8rem;
    font-size: 1.1rem;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    margin: 0 var(--spacing-sm);
}

.hero-buttons .btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hero-buttons .btn-primary:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hero-buttons .btn-primary:hover:before {
    opacity: 1;
}

.hero-buttons .btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.hero-buttons .btn-secondary {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-dark));
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hero-buttons .btn-secondary:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-purple-dark), var(--accent-purple));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hero-buttons .btn-secondary:hover:before {
    opacity: 1;
}

.hero-buttons .btn-secondary:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.hero-image {
    flex: 1;
    position: relative;
    width: 100%;
    max-width: 1000px;
    animation: fadeIn 1.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.hero .image-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3), 0 10px 10px rgba(0, 0, 0, 0.2);
    margin: 0 auto;
    max-width: 80%;
    height: 350px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero .image-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 15px 15px rgba(0, 0, 0, 0.2);
}

.hero .before-after-container {
    height: 100%;
}

.hero .before-after-slider {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero .before-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    background-color: transparent;
}

.hero .after-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    background-color: transparent;
    clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);
}

.hero .slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background-color: var(--white);
    transform: translateX(-50%);
    cursor: ew-resize;
    z-index: 10;
}

.hero .slider-handle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--white);
}

.hero .slider-handle::after {
    font-family: 'Font Awesome 5 Free';
    content: '\f07e'; /* Icona fa-arrows-alt-h */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 900; /* La maggior parte delle icone solide richiedono font-weight: 900 */
}

.hero .transformation-label {
    position: absolute;
    bottom: 15px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    color: var(--white);
    font-weight: 600;
    font-size: 1.1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
    z-index: 5;
}

.hero .transformation-label span {
    background-color: rgba(0, 0, 0, 0.6);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(5px);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
    font-size: 0.9rem;
}

.hero .ai-badge {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    color: var(--white);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 40;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.5px;
}

.ai-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(37, 99, 235, 0.2), rgba(124, 58, 237, 0.2));
    z-index: 1;
    pointer-events: none;
}

/* Hero wave removed as requested */

/* ===== Servizi Section ===== */
.servizi {
    background-color: var(--white);
}

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

.servizio-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    border: 1px solid var(--gray-200);
}

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

.servizio-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue-light), var(--primary-blue-dark));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    font-size: 1.8rem;
    box-shadow: var(--shadow-md);
}

.servizio-card h3 {
    margin-bottom: var(--spacing-md);
}

.servizio-card ul {
    margin-bottom: var(--spacing-lg);
    width: 100%;
}

.servizio-card li {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.servizio-card li i {
    color: var(--primary-blue);
    margin-top: 4px;
}

.servizio-card .btn {
    margin-top: auto;
}

/* ===== Come Funziona Section ===== */
.come-funziona {
    background-color: var(--gray-100);
    position: relative;
    overflow: hidden;
}

.come-funziona::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 10%, rgba(37, 99, 235, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 90% 90%, rgba(124, 58, 237, 0.05) 0%, transparent 30%);
    z-index: 1;
}

.steps {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 40px;
    right: -50px;
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-purple));
    z-index: -1;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--shadow-md);
    z-index: 3; /* Ensure number appears above other elements */
}

.step-icon {
    width: 80px;
    height: 80px;
    background-color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--primary-blue);
    font-size: 2rem;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 2;
}

.step h3 {
    margin-bottom: var(--spacing-sm);
}

.step p {
    color: var(--gray-600);
}

/* ===== Vantaggi Section ===== */
.vantaggi {
    background-color: var(--white);
}

.vantaggi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.vantaggio-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform var(--transition-normal);
    border: 1px solid var(--gray-200);
}

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

.vantaggio-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-purple-light), var(--accent-purple-dark));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--white);
    font-size: 1.8rem;
    box-shadow: var(--shadow-md);
}

.vantaggio-stat {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

/* Stile speciale per il tempo di consegna */
.vantaggio-card:nth-child(2) .vantaggio-stat {
    color: #3B82F6;
    font-size: 3rem;
    line-height: 1.1;
}

/* Stile per gli asterischi nelle card vantaggi */
.vantaggio-stat sup {
    font-size: 1rem;
    vertical-align: super;
}

/* ===== Confronto Costi Section ===== */
.confronto-costi {
    background-color: var(--gray-100);
    position: relative;
    overflow: hidden;
}

.confronto-costi::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 90% 10%, rgba(37, 99, 235, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 10% 90%, rgba(124, 58, 237, 0.05) 0%, transparent 30%);
    z-index: 1;
}

.confronto-table-container {
    position: relative;
    z-index: 2;
    overflow-x: auto;
    margin-bottom: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.confronto-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
}

.confronto-table th,
.confronto-table td {
    padding: var(--spacing-md);
    text-align: center;
    border: 1px solid var(--gray-200);
}

.confronto-table th {
    background-color: var(--primary-blue);
    color: var(--white);
    font-weight: 600;
}

.confronto-table th:first-child {
    text-align: left;
    background-color: var(--gray-800);
}

.confronto-table td:first-child {
    text-align: left;
    font-weight: 600;
    background-color: var(--gray-100);
}

.confronto-table tr:nth-child(even) td:not(:first-child) {
    background-color: var(--gray-50);
}

.confronto-table td:nth-child(4) {
    color: var(--primary-blue);
    font-weight: 600;
}

.risparmio-callout {
    position: relative;
    z-index: 2;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.risparmio-text h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.risparmio-text p {
    margin-bottom: 0;
    opacity: 0.9;
}

.risparmio-callout .btn {
    background-color: var(--white);
    color: var(--primary-blue);
    white-space: nowrap;
}

.risparmio-callout .btn:hover {
    background-color: var(--gray-100);
}

/* ===== Portfolio Section ===== */
.portfolio {
    background-color: var(--white);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.filter-btn {
    padding: 0.5rem 1rem;
    background-color: var(--gray-100);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    background-color: var(--gray-200);
}

.filter-btn.active {
    background-color: var(--primary-blue);
    color: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: calc(var(--spacing-xl) * 1.5);
    margin-top: var(--spacing-xl);
}

.portfolio-item {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.before-after-container {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.before-after-slider {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.before-image,
.after-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.after-image {
    clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);
}

.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background-color: var(--white);
    transform: translateX(-50%);
    cursor: ew-resize;
    z-index: 10;
}

.slider-handle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--white);
}

.slider-handle::after {
    font-family: 'Font Awesome 5 Free';
    content: '\f07e'; /* Icona fa-arrows-alt-h */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 900; /* La maggior parte delle icone solide richiedono font-weight: 900 */
}

.transformation-label {
    position: absolute;
    bottom: 15px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    color: var(--white);
    font-weight: 600;
    font-size: 1.1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
    z-index: 5;
}

.transformation-label span {
    background-color: rgba(0, 0, 0, 0.4);
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(2px);
}

.before-label {
    transition: opacity 0.3s ease;
}

.after-label {
    transition: opacity 0.3s ease;
}

.before-after-slider:hover .before-label {
    opacity: 0.7;
}

.before-after-slider:hover .after-label {
    opacity: 0.7;
}

.portfolio-info {
    padding: var(--spacing-md) var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.portfolio-info h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.3rem;
}

.portfolio-info p {
    color: var(--gray-600);
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ===== Testimonianze Section ===== */
.testimonianze {
    background-color: var(--gray-100);
    position: relative;
    overflow: hidden;
}

.testimonianze::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 90%, rgba(37, 99, 235, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 90% 10%, rgba(124, 58, 237, 0.05) 0%, transparent 30%);
    z-index: 1;
}

.testimonianze-slider {
    position: relative;
    z-index: 2;
    display: flex;
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.testimonianza-card {
    flex: 0 0 100%;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.testimonianza-rating {
    color: #FFD700;
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.testimonianza-text {
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-left: var(--spacing-lg);
    border-left: 4px solid var(--primary-blue);
}

.testimonianza-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonianza-author img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--primary-blue);
}

.author-info h4 {
    margin-bottom: 0;
}

.author-info p {
    color: var(--gray-600);
    margin-bottom: 0;
}

.testimonianze-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background-color: var(--gray-300);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.dot.active {
    background-color: var(--primary-blue);
}

/* ===== Prezzi Section ===== */
.prezzi {
    background-color: var(--white);
}

.prezzi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.prezzo-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    border: 1px solid var(--gray-200);
    position: relative;
}

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

.prezzo-card.popular {
    border: 2px solid var(--primary-blue);
    transform: scale(1.05);
    z-index: 2;
}

.prezzo-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-bottom-left-radius: var(--radius-md);
}

.prezzo-header {
    padding: var(--spacing-xl);
    text-align: center;
    background: linear-gradient(135deg, var(--gray-100), var(--white));
    border-bottom: 1px solid var(--gray-200);
}

.prezzo-header h3 {
    margin-bottom: var(--spacing-sm);
}

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

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    vertical-align: top;
    color: var(--gray-800);
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    font-family: var(--font-heading);
}

.period {
    font-size: 1rem;
    color: var(--gray-600);
}

.prezzo-header p {
    color: var(--gray-600);
    margin-bottom: 0;
}

.prezzo-features {
    padding: var(--spacing-xl);
}

.prezzo-features ul {
    margin-bottom: var(--spacing-xl);
}

.prezzo-features li {
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.prezzo-features li i {
    color: var(--primary-blue);
    margin-top: 4px;
}

.prezzo-features li.not-included i {
    color: var(--gray-400);
}

.prezzo-features li.not-included {
    color: var(--gray-500);
}

.prezzo-card .btn {
    display: block;
    width: 100%;
}

.custom-solution {
    text-align: center;
    background-color: var(--gray-100);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.custom-solution h3 {
    margin-bottom: var(--spacing-sm);
}

.custom-solution p {
    margin-bottom: var(--spacing-lg);
    color: var(--gray-600);
}

/* ===== FAQ Section ===== */
.faq {
    background-color: var(--gray-100);
    position: relative;
    overflow: hidden;
}

.faq::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 90% 90%, rgba(37, 99, 235, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 10% 10%, rgba(124, 58, 237, 0.05) 0%, transparent 30%);
    z-index: 1;
}

.faq-container {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.faq-item {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.faq-question {
    padding: var(--spacing-lg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--gray-50);
}

.faq-question h3 {
    margin-bottom: 0;
    font-size: 1.1rem;
    padding-right: var(--spacing-lg);
}

.faq-icon {
    color: var(--primary-blue);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-more {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.faq-more p {
    margin-bottom: var(--spacing-md);
    color: var(--gray-600);
}

/* ===== Contatti Section ===== */
.contatti {
    background-color: var(--white);
}

.contatti-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--spacing-xl);
}

.contatti-form {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group.checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-group.checkbox input {
    width: auto;
    margin-top: 5px;
}

.form-group.checkbox label {
    margin-bottom: 0;
    font-weight: 400;
}

.privacy-link {
    text-decoration: underline;
}

.contatti-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid var(--gray-200);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--white);
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

.info-card h3 {
    margin-bottom: var(--spacing-xs);
}

.info-card p {
    margin-bottom: 0;
    color: var(--gray-600);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: auto;
}

.social-link {
    width: 45px;
    height: 45px;
    background-color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    border: 1px solid var(--gray-200);
}

.social-link:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-3px);
}

/* ===== Footer ===== */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-logo span {
    color: var(--primary-blue);
}

.footer-col p {
    opacity: 0.8;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social .social-icon {
    width: 36px;
    height: 36px;
    background-color: var(--gray-800);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.footer-social .social-icon:hover {
    background-color: var(--primary-blue);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    font-size: 1.2rem;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.copyright p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.legal-links {
    display: flex;
    gap: var(--spacing-lg);
}

.legal-links a {
    color: var(--gray-400);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

/* ===== Back to Top Button ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-blue);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-blue-dark);
    transform: translateY(-5px);
}

/* ===== Media Queries ===== */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .hero-text h1 {
        font-size: 3rem;
    }

    .hero-content.vertical {
        padding: var(--spacing-2xl) 0;
    }
    
    .image-container {
        height: 350px;
    }
    
    .step:not(:last-child)::after {
        width: 60px;
        right: -30px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text p {
        font-size: 1.1rem;
    }

    .image-container {
        height: 300px;
    }
    
    .navbar .container {
        width: 90%;
        margin: 0 auto;
        padding: 0;
        box-sizing: border-box;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-lg) 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: 999;
    }
    
    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        left: 0;
        width: 100%;
    }
    
    .nav-links ul {
        flex-direction: column;
        align-items: center;
        width: 100%;
        padding: 0;
    }
    
    .nav-links li {
        width: 100%;
        text-align: center;
        padding: 0.5rem 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .hero-content {
        flex-direction: column;
    }
    
    .steps {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .step:not(:last-child)::after {
        display: none;
    }
    
    .risparmio-callout {
        flex-direction: column;
        text-align: center;
    }
    
    .contatti-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .legal-links {
        justify-content: center;
    }
    
    .container {
        width: 90%;
        margin-left: auto;
        margin-right: auto;
        padding: 0;
    }
    
    section {
        padding: var(--spacing-3xl) 0;
        box-sizing: border-box;
    }

    .hero-content.vertical {
        width: 90%;
        margin: 0 auto;
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-text {
        width: 100%;
        padding: 0 var(--spacing-md);
    }
    
    .hero-buttons {
        width: 90%;
        max-width: 400px;
        margin: var(--spacing-xl) auto 0;
    }
    
    .hero-buttons .btn {
        width: auto;
        min-width: 160px;
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
        padding: 0 var(--spacing-sm);
    }

    .hero-text p {
        font-size: 1rem;
        padding: 0 var(--spacing-md);
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-content.vertical {
        padding: var(--spacing-xl) 0;
    }
    
    .hero .image-container {
        width: 90%;
        max-width: 350px;
        margin: 0 auto;
        height: 250px;
    }
    
    .hero-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
        width: 85%;
        max-width: 300px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        margin: 0;
    }
    
    .hero .transformation-label span {
        font-size: 0.8rem;
        padding: 4px 10px;
    }
    
    .hero .ai-badge {
        font-size: 0.8rem;
        padding: 4px 10px;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .portfolio-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        text-align: center;
    }

    .container {
        width: 90%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .hero-content.vertical {
        width: 100%;
        box-sizing: border-box;
        padding-left: 0;
        padding-right: 0;
    }
    
    .before-after-slider, 
    .before-after-container {
        width: 100%;
        max-width: 100%;
    }
    
    /* Aggiustamenti specifici per slider e immagini */
    .hero .image-container {
        width: 100%;
        max-width: 90%;
        margin-left: auto;
        margin-right: auto;
    }
    
    .portfolio-item {
        width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* Fix per menu mobile */
    .nav-links.open {
        left: 0;
        width: 100%;
    }
    
    /* Centratura elementi nelle card */
    .vantaggio-card, 
    .servizio-card {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: var(--spacing-lg);
    }
}

.ai-badge {
    position: absolute;
    bottom: 15px;
    right: 15px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    color: var(--white);
    padding: 8px 15px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 20;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

/* Stile per le note della tabella di confronto costi */
.table-notes {
    margin-top: 1.5rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--gray-600);
    text-align: right;
    padding-right: 1rem;
}

.table-notes p {
    margin: 0.4rem 0;
    line-height: 1.4;
}

/* Stile per le etichette di trasformazione nel portfolio */
.portfolio .transformation-label .after-label {
    background-color: var(--primary-blue);
    color: var(--white);
    font-weight: 600;
}