/* ============================================
   SINTESI TECHNOLOGY - ELEGANT 3.0 DESIGN
   Premium Multipurpose Tech Website
   ============================================ */

/* ===== CSS VARIABLES ===== */
:root {
    /* Friendly Enterprise Palette - Warm but Professional */
    --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --secondary-gradient: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    --accent-gradient: linear-gradient(135deg, #ea580c 0%, #dc2626 100%);
    --featured-gradient: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);

    --primary-color: #4f46e5;
    --secondary-color: #7c3aed;
    --accent-color: #0891b2;
    --success-color: #059669;
    --warning-color: #ea580c;
    --featured-color: #2563eb;

    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-light: #94a3b8;

    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-light: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-featured: #eff6ff;

    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;

    /* Subtle Shadows */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08);
    --shadow-2xl: 0 25px 50px -12px rgba(15, 23, 42, 0.1);

    /* Smooth Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.2s ease-in-out;
    --transition-smooth: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-display: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;
}

/* ===== GLOBAL RESET & BASE ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-secondary);
    background: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-weight: 400;
}

/* ===== ELEGANT TYPOGRAPHY ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.015em;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

h2 {
    font-size: clamp(1.875rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.25;
}

h3 {
    font-size: clamp(1.375rem, 3vw, 1.75rem);
    font-weight: 700;
}

h4 {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    font-weight: 600;
}

h5 {
    font-size: 1.0625rem;
    font-weight: 600;
}

h6 {
    font-size: 1rem;
    font-weight: 600;
}

p {
    margin-bottom: 1.25rem;
    color: var(--text-muted);
    line-height: 1.8;
    font-size: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
}

a:hover {
    color: var(--secondary-color);
}

/* Premium Link Underline Effect */
a.link-elegant {
    position: relative;
}

a.link-elegant::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width var(--transition-smooth);
}

a.link-elegant:hover::after {
    width: 100%;
}

/* ===== CONTAINER SYSTEM ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ===== CLEAN HEADER ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

header.scrolled {
    box-shadow: var(--shadow-sm);
    border-bottom-color: transparent;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    transition: padding var(--transition-base);
}

header.scrolled .header-container {
    padding: 1rem 0;
}

/* Logo Styling */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: all var(--transition-base);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo img {
    height: 50px;
    width: auto;
    transition: all var(--transition-base);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

/* ===== ELEGANT NAVIGATION ===== */
nav>ul {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    align-items: center;
}

nav ul li {
    position: relative;
}

/* Assicura che i dropdown non ereditino flex */
nav ul li .dropdown {
    display: block !important;
    flex-direction: column !important;
}

nav ul li a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-base);
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--primary-color);
}

/* Clean Dropdown Menu - Verticale e sempre aperto dopo hover */
nav ul li {
    position: relative;
}

nav ul li .dropdown {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: var(--shadow-xl);
    border-radius: 12px;
    padding: 0.75rem 0;
    min-width: 280px;
    max-width: 320px;
    margin-top: 0.75rem;
    transform: translateY(-10px);
    transition: opacity var(--transition-smooth), transform var(--transition-smooth), visibility 0s var(--transition-smooth);
    border: 1px solid var(--border-light);
    pointer-events: none;
    z-index: 1000;
    display: block !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    list-style: none;
    gap: 0 !important;
}

/* Apri dropdown quando si passa sopra il link principale */
nav ul li:hover .dropdown,
nav ul li:focus-within .dropdown {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    transition: opacity var(--transition-smooth), transform var(--transition-smooth), visibility 0s;
    pointer-events: auto;
}

/* Mantieni aperto quando si passa sopra il dropdown stesso */
nav ul li .dropdown:hover {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

nav ul li .dropdown li {
    padding: 0;
    margin: 0;
    width: 100% !important;
    display: block !important;
    float: none !important;
    flex: none !important;
    flex-basis: auto !important;
    flex-grow: 0 !important;
    flex-shrink: 0 !important;
}

nav ul li .dropdown li a {
    display: block !important;
    padding: 0.875rem 1.25rem;
    border-radius: 0;
    transition: all var(--transition-fast);
    font-size: 0.9375rem;
    width: 100% !important;
    text-align: left !important;
    border-left: 3px solid transparent;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

nav ul li .dropdown li a:hover,
nav ul li .dropdown li a:focus {
    background: var(--bg-secondary);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    padding-left: 1.5rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--space-xs);
    z-index: 1001;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* ===== CLEAN HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    padding: calc(80px + 5rem) 0 5rem;
}

.hero .container {
    text-align: center;
    max-width: 860px;
}

.hero h1 {
    margin-bottom: 1.25rem;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    line-height: 1.2;
    font-weight: 700;
    color: var(--text-primary);
}

.hero h1 .gradient-text {
    color: var(--primary-color);
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto 2rem;
    line-height: 1.65;
}

/* Floating Animation for Hero Elements */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== CLEAN PROFESSIONAL BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-smooth);
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

.btn:hover {
    background: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.3);
    color: white;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
}

.btn-secondary {
    background: transparent;
    border: 1.5px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-ghost {
    background: rgba(99, 102, 241, 0.08);
    color: var(--primary-color);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    background: rgba(99, 102, 241, 0.12);
    color: var(--primary-color);
}

/* Button Group */
.btn-group {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* ===== SHOWCASE SLIDER WITH PARALLAX ===== */
.showcase {
    position: relative;
    background: var(--bg-dark);
    overflow: hidden;
    margin: var(--space-3xl) 0;
}

.showcase-slider {
    position: relative;
    height: 600px;
}

.slide {
    display: none;
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.slide.active {
    display: block;
    animation: slideIn 1s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(1.1);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 8s ease-out;
}

.slide.active img {
    transform: scale(1.1);
}

/* Slider Navigation */
.slider-nav {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-sm);
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.slider-dot.active {
    width: 40px;
    border-radius: 6px;
    background: white;
    border-color: white;
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

/* ===== CLEAN SECTION STYLING ===== */
.section {
    padding: 5rem 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    margin-bottom: 1rem;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.section-title p {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Alternating Section Backgrounds */
.section:nth-child(even) {
    background: var(--bg-secondary);
}

.section:nth-child(odd) {
    background: var(--bg-primary);
}

/* ===== PREMIUM GRID SYSTEM ===== */
.grid {
    display: grid;
    gap: 2rem;
    align-items: stretch;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

@media (min-width: 769px) and (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== CLEAN PROFESSIONAL CARDS ===== */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all var(--transition-smooth);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

/* Featured Cards for SISTEMI and PROFIS */
.card.featured-card {
    background: linear-gradient(135deg, #ffffff 0%, #eff6ff 100%);
    border: 2px solid var(--featured-color);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.1);
}

.card.featured-card:hover {
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.2);
    transform: translateY(-6px);
    border-color: var(--featured-color);
}

.card.featured-card .card-icon {
    background: var(--featured-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.card-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
    border-radius: 16px;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-size: 1.75rem;
    font-weight: 700;
    transition: all var(--transition-smooth);
    flex-shrink: 0;
    border: 2px solid rgba(79, 70, 229, 0.1);
}

.card:hover .card-icon {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.15) 0%, rgba(124, 58, 237, 0.15) 100%);
    transform: scale(1.05) rotate(2deg);
    border-color: rgba(79, 70, 229, 0.3);
}

.card h3 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
}

.card p {
    color: var(--text-muted);
    line-height: 1.65;
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.card .btn {
    margin-top: auto;
    align-self: flex-start;
    font-size: 0.9375rem;
    padding: 0.75rem 1.5rem;
}

/* ===== CLEAN FEATURE SECTIONS ===== */
.features {
    background: var(--bg-primary);
}

.feature-item {
    display: flex !important;
    align-items: flex-start !important;
    gap: 1.25rem !important;
    padding: 1.75rem !important;
    background: var(--bg-secondary) !important;
    border-radius: 12px;
    margin-bottom: 1.25rem;
    transition: all var(--transition-base);
    border: 1px solid var(--border-light);
    width: 100%;
    box-sizing: border-box;
}

.feature-item:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--border-medium);
    transform: translateY(-2px);
}

.feature-icon {
    flex-shrink: 0 !important;
    width: 56px !important;
    height: 56px !important;
    min-width: 56px !important;
    min-height: 56px !important;
    background: rgba(99, 102, 241, 0.08) !important;
    border-radius: 10px;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: var(--primary-color);
    font-size: 1.375rem;
    font-weight: 600;
    transition: all var(--transition-base);
}

.feature-item:hover .feature-icon {
    background: rgba(99, 102, 241, 0.12) !important;
    transform: scale(1.05);
}

.feature-content {
    flex: 1 !important;
    min-width: 0;
}

.feature-content h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 1.0625rem;
    font-weight: 600;
    line-height: 1.4;
}

.feature-content p {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 0.9375rem;
    margin: 0;
}

/* Variante compatta per feature-item dentro card */
.feature-item.compact,
.feature-item[style*="background: transparent"],
.card .feature-item {
    background: transparent !important;
    padding: 0.5rem 0 !important;
    margin-bottom: 0 !important;
    border: none !important;
    border-radius: 0;
}

.card .feature-item:hover {
    box-shadow: none !important;
    transform: none !important;
    border: none !important;
}

.card .feature-icon {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    min-height: 40px !important;
    font-size: 1.2rem !important;
    margin-bottom: 0 !important;
}

.card .feature-content h4 {
    font-size: 1rem !important;
    margin-bottom: 0.25rem !important;
}

.card .feature-content p {
    margin-bottom: 0 !important;
    font-size: 0.9375rem !important;
}

/* ===== PARTNER LOGOS ===== */
.partners {
    background: var(--bg-secondary);
}

.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.75rem;
    align-items: center;
}

.partner-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
    background: var(--bg-primary);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    transition: all var(--transition-smooth);
    min-height: 110px;
}

.partner-logo:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    border-color: rgba(79, 70, 229, 0.2);
}

.partner-logo.featured-partner {
    background: linear-gradient(135deg, #ffffff 0%, #eff6ff 100%);
    border: 2px solid var(--featured-color);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.15);
}

.partner-logo.featured-partner:hover {
    box-shadow: 0 12px 35px rgba(37, 99, 235, 0.25);
    transform: translateY(-6px);
}

.partner-logo img {
    max-width: 100%;
    max-height: 50px;
    height: auto;
    width: auto;
    filter: grayscale(100%) opacity(0.5);
    transition: filter var(--transition-smooth);
}

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

/* ===== CLEAN NEWS CARDS ===== */
.news-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.news-item:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--border-medium);
    transform: translateY(-2px);
}

.news-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.news-date {
    color: var(--primary-color);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.625rem;
}

.news-content h3 {
    margin-bottom: 0.75rem;
    font-size: 1.1875rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
}

.news-content p {
    margin-bottom: 1rem;
    flex-grow: 1;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

.news-content .btn {
    align-self: flex-start;
    margin-top: auto;
}

/* ===== CONTACT SECTIONS ===== */
.contact-info {
    background: var(--bg-secondary);
    padding: var(--space-xl);
    border-radius: 16px;
    border: 1px solid var(--border-light);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    border-radius: 12px;
    transition: all var(--transition-base);
}

.contact-item:hover {
    background: var(--bg-primary);
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

/* ===== CLEAN FORMS ===== */
.contact-form {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-light);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9375rem;
    transition: all var(--transition-base);
    background: var(--bg-primary);
    color: var(--text-secondary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group.error input,
.form-group.error textarea {
    border-color: #ef4444;
}

.error-message {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.375rem;
}

.success-message {
    background: rgba(16, 185, 129, 0.08);
    color: var(--success-color);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(16, 185, 129, 0.2);
    font-size: 0.9375rem;
}

/* ===== CLEAN FOOTER ===== */
footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 3.5rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1.25rem;
    font-size: 1.0625rem;
    font-weight: 600;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9375rem;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.65);
    transition: color var(--transition-base);
    font-size: 0.9375rem;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9375rem;
}

.social-links {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.social-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-smooth);
    color: white;
    font-weight: 600;
}

.social-icon:hover {
    background: var(--primary-gradient);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ===== BACK TO TOP BUTTON ===== */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 16px;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-lg);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    :root {
        --space-3xl: 4rem;
    }

    .container {
        padding: 0 var(--space-md);
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    nav ul {
        display: none;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 360px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        box-shadow: var(--shadow-2xl);
        padding: calc(80px + var(--space-md)) 0 var(--space-md) 0;
        gap: 0;
        transition: right var(--transition-smooth);
        overflow-y: auto;
        overflow-x: hidden;
        list-style: none;
        -webkit-overflow-scrolling: touch;
    }

    nav ul.active {
        display: flex;
        right: 0;
    }

    nav ul li {
        width: 100%;
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        border-bottom: 1px solid var(--border-light);
    }

    nav ul li:last-child {
        border-bottom: none;
    }

    /* Link principale del menu */
    nav ul li > a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 1rem var(--space-md);
        font-size: 0.9375rem;
        font-weight: 500;
        color: var(--text-primary);
        line-height: 1.4;
        word-wrap: break-word;
        overflow-wrap: break-word;
        white-space: normal;
        max-width: 100%;
        box-sizing: border-box;
        transition: all var(--transition-base);
        position: relative;
    }

    nav ul li > a:hover,
    nav ul li > a:active {
        background: var(--bg-secondary);
        color: var(--primary-color);
    }

    /* Icona freccia per dropdown (aggiunta via JS) */
    nav ul li.has-dropdown > a::after {
        content: '+';
        font-size: 1.25rem;
        font-weight: 300;
        color: var(--text-muted);
        transition: transform var(--transition-base);
        margin-left: auto;
        padding-left: var(--space-sm);
    }

    nav ul li.has-dropdown.active > a::after {
        content: '−';
        transform: rotate(0deg);
    }

    /* Dropdown nascosto di default su mobile - OVERRIDE COMPLETO */
    nav ul li .dropdown {
        position: static !important;
        box-shadow: none !important;
        background: var(--bg-secondary) !important;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        border-radius: 0 !important;
        visibility: hidden !important;
        opacity: 0 !important;
        height: 0 !important;
        max-height: 0 !important;
        overflow: hidden !important;
        transform: none !important;
        pointer-events: none !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        min-height: 0 !important;
        display: block !important;
        flex-direction: column !important;
        list-style: none !important;
        transition: height 0.3s ease-out, opacity 0.2s ease-out, visibility 0s 0.3s !important;
    }

    /* Dropdown aperto su mobile */
    nav ul li.active .dropdown,
    nav ul li.has-dropdown.active .dropdown {
        visibility: visible !important;
        opacity: 1 !important;
        height: auto !important;
        max-height: none !important;
        pointer-events: auto !important;
        transition: height 0.3s ease-in, opacity 0.2s ease-in, visibility 0s !important;
        overflow: visible !important;
    }

    /* Items del dropdown su mobile */
    nav ul li .dropdown li {
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05) !important;
        display: block !important;
        float: none !important;
        flex: none !important;
    }

    nav ul li .dropdown li:last-child {
        border-bottom: none !important;
    }

    /* Link del dropdown su mobile */
    nav ul li .dropdown li a {
        display: block !important;
        padding: 0.75rem var(--space-md) !important;
        padding-left: calc(var(--space-md) * 1.5) !important;
        font-size: 0.875rem !important;
        color: var(--text-secondary) !important;
        background: transparent !important;
        border-left: 3px solid transparent !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        transition: all var(--transition-base) !important;
        position: relative !important;
        width: 100% !important;
        text-align: left !important;
        border-radius: 0 !important;
    }

    nav ul li .dropdown li a::before {
        content: '→' !important;
        position: absolute !important;
        left: var(--space-md) !important;
        color: var(--text-muted) !important;
        font-size: 0.75rem !important;
        transition: transform var(--transition-base) !important;
    }

    nav ul li .dropdown li a:hover,
    nav ul li .dropdown li a:active {
        background: var(--bg-primary) !important;
        color: var(--primary-color) !important;
        border-left-color: var(--primary-color) !important;
        padding-left: calc(var(--space-md) * 1.75) !important;
    }

    nav ul li .dropdown li a:hover::before {
        transform: translateX(3px) !important;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding: calc(80px + var(--space-2xl)) 0 var(--space-2xl);
    }

    .showcase-slider {
        height: 400px;
    }

    .feature-item {
        flex-direction: column !important;
        text-align: center;
        align-items: center !important;
        padding: 1.5rem !important;
    }

    .feature-icon {
        margin-bottom: 1rem;
    }

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

    .back-to-top {
        bottom: var(--space-lg);
        right: var(--space-lg);
        width: 48px;
        height: 48px;
    }

    /* Ottimizzazione logo su mobile */
    .logo img {
        height: 40px;
        max-width: 100%;
    }

    .logo-text {
        font-size: 1.125rem;
    }

    /* Header più compatto su mobile */
    .header-container {
        padding: 1rem 0;
    }

    /* Menu mobile - prevenzione overflow */
    nav ul li a,
    nav ul li .dropdown li a {
        max-width: 100%;
        word-break: break-word;
        hyphens: auto;
        -webkit-hyphens: auto;
        -moz-hyphens: auto;
    }

    /* Assicura che i dropdown non escano dal menu */
    nav ul li .dropdown {
        max-width: 100%;
        overflow: hidden;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    .btn-group {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .showcase-slider {
        height: 300px;
    }

    .card,
    .feature-item,
    .contact-form,
    .contact-info {
        padding: var(--space-md);
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

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

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

.mt-1 {
    margin-top: var(--space-xs);
}

.mt-2 {
    margin-top: var(--space-sm);
}

.mt-3 {
    margin-top: var(--space-md);
}

.mt-4 {
    margin-top: var(--space-lg);
}

.mb-1 {
    margin-bottom: var(--space-xs);
}

.mb-2 {
    margin-bottom: var(--space-sm);
}

.mb-3 {
    margin-bottom: var(--space-md);
}

.mb-4 {
    margin-bottom: var(--space-lg);
}

.bg-light {
    background: var(--bg-primary);
}

.bg-gray {
    background: var(--bg-secondary);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-elegant);
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all var(--transition-elegant);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all var(--transition-elegant);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ===== LOADING STATES ===== */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s ease-in-out infinite;
}

/* ===== PRINT STYLES ===== */
@media print {

    header,
    footer,
    .btn,
    .menu-toggle,
    .back-to-top {
        display: none;
    }

    body {
        color: black;
        background: white;
    }
}