/* ============================================
   MODERN DESIGN SYSTEM - OfferteGaseLuce.it
   ============================================ */

:root {
    /* Colori Principali */
    --color-primary: #0c3b54;
    --color-primary-light: #1a5a7a;
    --color-primary-dark: #061f2e;
    --color-accent: #f16c20;
    --color-accent-light: #ff8c42;
    --color-accent-dark: #d95a15;
    
    /* Colori Neutri */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Colori Semantici */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Courier New', monospace;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    
    --font-weight-300: 300;
    --font-weight-400: 400;
    --font-weight-500: 500;
    --font-weight-600: 600;
    --font-weight-700: 700;
    --font-weight-800: 800;
    
    /* 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;
    
    /* Bordi e Ombre */
    --radius-xs: 0.25rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transizioni */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-white);
    color: var(--color-gray-700);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TIPOGRAFIA
   ============================================ */

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

h1 {
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-800);
}

h2 {
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-700);
}

h3 {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-700);
}

h4 {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-600);
}

h5 {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-600);
}

h6 {
    font-size: var(--text-base);
    font-weight: var(--font-weight-600);
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-accent-light);
    text-decoration: underline;
}

/* ============================================
   LAYOUT CONTAINER
   ============================================ */

.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 640px) {
    .container {
        max-width: 640px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 768px;
        padding: 0 var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
        padding: 0 var(--spacing-xl);
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1280px;
    }
}

/* ============================================
   GRID SYSTEM
   ============================================ */

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   FLEXBOX UTILITIES
   ============================================ */

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }
.gap-2xl { gap: var(--spacing-2xl); }

/* ============================================
   SPACING UTILITIES
   ============================================ */

.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }
.p-2xl { padding: var(--spacing-2xl); }

.px-sm { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-lg { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }
.px-xl { padding-left: var(--spacing-xl); padding-right: var(--spacing-xl); }

.py-sm { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-lg { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-xl { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }
.m-2xl { margin: var(--spacing-2xl); }

.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* ============================================
   PULSANTI
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-weight-600);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

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

.btn-accent:hover {
    background-color: var(--color-accent-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--color-gray-200);
    color: var(--color-gray-900);
}

.btn-secondary:hover {
    background-color: var(--color-gray-300);
}

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

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

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--text-lg);
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-header {
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
    padding-bottom: var(--spacing-lg);
}

.card-body {
    margin-bottom: var(--spacing-lg);
}

.card-footer {
    border-top: 1px solid var(--color-gray-200);
    padding-top: var(--spacing-lg);
}

/* ============================================
   BADGE
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-600);
}

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

.badge-accent {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.badge-success {
    background-color: var(--color-success);
    color: var(--color-white);
}

.badge-warning {
    background-color: var(--color-warning);
    color: var(--color-white);
}

.badge-danger {
    background-color: var(--color-danger);
    color: var(--color-white);
}

/* ============================================
   ALERT
   ============================================ */

.alert {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.alert-info {
    background-color: #dbeafe;
    border-left: 4px solid #3b82f6;
    color: #1e40af;
}

.alert-success {
    background-color: #dcfce7;
    border-left: 4px solid #10b981;
    color: #15803d;
}

.alert-warning {
    background-color: #fef3c7;
    border-left: 4px solid #f59e0b;
    color: #92400e;
}

.alert-danger {
    background-color: #fee2e2;
    border-left: 4px solid #ef4444;
    color: #991b1b;
}

/* ============================================
   TESTO
   ============================================ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }

.font-light { font-weight: var(--font-weight-300); }
.font-normal { font-weight: var(--font-weight-400); }
.font-medium { font-weight: var(--font-weight-500); }
.font-semibold { font-weight: var(--font-weight-600); }
.font-bold { font-weight: var(--font-weight-700); }
.font-extrabold { font-weight: var(--font-weight-800); }

.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-muted { color: var(--color-gray-500); }
.text-white { color: var(--color-white); }

/* ============================================
   FORM ELEMENTS
   ============================================ */

input,
textarea,
select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    transition: all var(--transition-base);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(241, 108, 32, 0.1);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-600);
    color: var(--color-gray-700);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    h1 { font-size: var(--text-3xl); }
    h2 { font-size: var(--text-2xl); }
    h3 { font-size: var(--text-xl); }
    
    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 640px) {
    h1 { font-size: var(--text-2xl); }
    h2 { font-size: var(--text-xl); }
    h3 { font-size: var(--text-lg); }
    
    body {
        font-size: var(--text-sm);
    }
}

/* ============================================
   COMPONENTI SPECIFICI PER OFFERTEGASELUCE
   ============================================ */

/* HEADER & NAVIGATION */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.nav-logo {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-800);
    color: var(--color-white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-logo:hover {
    color: var(--color-accent);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-menu a {
    color: var(--color-white);
    text-decoration: none;
    font-weight: var(--font-weight-500);
    transition: color var(--transition-base);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-accent);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    font-size: var(--text-2xl);
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background-color: var(--color-primary-dark);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu a {
        padding: var(--spacing-md) var(--spacing-lg);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .mobile-menu-btn {
        display: block;
    }
}

/* HERO SECTION */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    padding: var(--spacing-3xl) var(--spacing-lg);
    text-align: center;
}

.hero-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-weight-800);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .hero-title {
        font-size: var(--text-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-base);
    }
}

/* OFFERTE CARD */
.offerta-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.offerta-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.offerta-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg);
}

.offerta-azienda {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.offerta-logo {
    max-width: 60px;
    max-height: 60px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm);
}

.offerta-price {
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-800);
    margin-bottom: var(--spacing-md);
}

.offerta-body {
    padding: var(--spacing-lg);
    flex-grow: 1;
}

.offerta-feature {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: var(--text-sm);
}

.offerta-feature-icon {
    color: var(--color-accent);
    font-weight: var(--font-weight-700);
    flex-shrink: 0;
}

.offerta-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
}

.offerta-badge {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-700);
    margin-bottom: var(--spacing-md);
}

/* COMPARISON TABLE */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-lg);
}

.comparison-table th {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-md);
    text-align: left;
    font-weight: var(--font-weight-700);
}

.comparison-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
}

.comparison-table tr:hover {
    background-color: var(--color-gray-50);
}

/* FILTER SECTION */
.filter-section {
    background-color: var(--color-gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-2xl);
}

.filter-title {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-700);
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
}

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

.filter-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-600);
    color: var(--color-gray-700);
    font-size: var(--text-sm);
}

.filter-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
}

.filter-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(241, 108, 32, 0.1);
}

.filter-button-group {
    display: flex;
    gap: var(--spacing-md);
}

/* FOOTER */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-3xl) var(--spacing-lg);
    margin-top: var(--spacing-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    font-size: var(--text-lg);
}

.footer-link {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-base);
}

.footer-link:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-copyright {
    font-size: var(--text-sm);
    opacity: 0.8;
}

/* BREADCRUMB */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: var(--text-sm);
}

.breadcrumb a {
    color: var(--color-accent);
}

.breadcrumb-separator {
    color: var(--color-gray-400);
}

/* SEARCH BOX */
.search-box {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md) var(--spacing-xl);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.search-icon {
    position: absolute;
    right: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    pointer-events: none;
}

/* RATING STARS */
.stars {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.star {
    color: var(--color-warning);
    font-size: var(--text-lg);
}

.star.empty {
    color: var(--color-gray-300);
}

/* TESTIMONIAL */
.testimonial {
    background: var(--color-gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-700);
}

.testimonial-author {
    font-weight: var(--font-weight-700);
    color: var(--color-gray-900);
}

/* LOADING SPINNER */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--color-gray-300);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

.slide-in-up {
    animation: slideInUp 0.3s ease-in-out;
}

/* LAZY LOADING PLACEHOLDER */
.lazy-placeholder {
    background: linear-gradient(90deg, var(--color-gray-200), var(--color-gray-100), var(--color-gray-200));
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* RESPONSIVE MEDIA QUERIES */
@media (max-width: 768px) {
    .offerta-card {
        margin-bottom: var(--spacing-lg);
    }
    
    .comparison-table {
        font-size: var(--text-sm);
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-sm);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ============================================
   LEGACY STYLES (style.css)
   ============================================ */

.h2-articoli-home{font-size:1.1em;font-weight:700}
.a_botton_blue{padding:4px;background-color:#0c3b54;color:#fff;margin:5px}
.nobr{white-space:nowrap}
.fi-social-facebook{color:#1e90ff;font-size:2rem}
.fi-social-youtube{color:red;font-size:2rem}
.fi-social-pinterest{color:#8b0000;font-size:2rem}
i.fi-social-instagram{color:brown;font-size:2rem}
i.fi-social-tumblr{color:navy;font-size:2rem}
.fi-social-twitter{color:#87ceeb;font-size:2rem}
.delta_rosso{color:red}
.delta_verde{color:green}
.glyph{border-bottom:1px dotted #ccc;padding:10px 0 20px;margin-bottom:20px}
.preview-glyphs{vertical-align:bottom}
.preview-scale{color:#888;font-size:12px;margin-top:5px}
.step{display:inline-block;line-height:1;width:10%}
.usage{margin-top:10px}
.usage input{font-family:monospace;margin-right:3px;padding:2px 5px;text-align:center}
.usage .point{width:150px}
.usage .class{width:250px}
.loghi_aziende_slide{max-height:80px;max-width:80px;height:auto;width:auto;filter:gray;-webkit-filter:grayscale(1);filter:grayscale(1);margin:8px;opacity:.8}
.loghi_aziende_slide:hover{opacity:1}
.loghi_aziende{max-height:60px;max-width:250px;height:auto;width:auto}
.loghi_aziende_big{max-height:200px;max-width:300px;height:auto;width:auto}
.loghi_aziende_medium{max-height:80px;max-width:200px;height:auto;width:auto}
.loghi_aziende_small{max-height:60px;max-width:150px;height:auto;width:auto}
.menuv{text-decoration:none;color:#fff;display:inline-block;margin:2px;margin-right:16px;margin-left:16px;font-size:19px}
.menuv_selected{text-decoration:none;color:#f16c20;display:inline-block;margin:2px;margin-right:16px;margin-left:16px;font-size:19px}
.menuv_selected:hover{color:#fde6de}
.menuv_selected>i{font-size:25px}
.menuv>i{font-size:25px}
.menuvs{text-decoration:none;color:#0c3b54;display:block;margin-left:16px;padding:2px;font-size:1.1em;}
.menuv:hover{color:#fde6de}
.ombra_tb{box-shadow:0 4px 8px 0 rgba(0,0,0,.2),0 6px 20px 0 rgba(0,0,0,.19)}
.ombra{box-shadow:0 4px 8px 0 rgba(0,0,0,.2),0 6px 20px 0 rgba(0,0,0,.19)}
.avatar_big{filter:gray;-webkit-filter:grayscale(1);filter:grayscale(1);border-radius:50%;box-shadow:0 4px 8px 0 rgba(0,0,0,.2),0 6px 20px 0 rgba(0,0,0,.19);max-width:200px;min-width:200px;border:2px solid #fff}
.avatar_small{filter:gray;-webkit-filter:grayscale(1);filter:grayscale(1);border-radius:50%;box-shadow:0 4px 8px 0 rgba(0,0,0,.2),0 6px 20px 0 rgba(0,0,0,.19);max-width:50px;min-width:50px;border:1px solid #fff;background-color:#fff}
.avatar_menu{filter:gray;-webkit-filter:grayscale(1);filter:grayscale(1);border-radius:50%;box-shadow:0 4px 8px 0 rgba(0,0,0,.2),0 6px 20px 0 rgba(0,0,0,.19);max-width:30px;min-width:30px;border:1px solid #fff;background-color:#fff;position:relative;top:-3px}
.img_articolo{max-width:200px;margin:10px;float:left;filter:gray;-webkit-filter:grayscale(1);filter:grayscale(1)}
.img_articolo_orizzontale{min-height:160px;max-height:160px;filter:gray;-webkit-filter:grayscale(1);filter:grayscale(1)}
.menu_under_head_small{border:1px solid #f16c2050;border-radius:6px;color: #f16c20;padding: 4px;margin-top: 8px;}
.offerta_costo{background-color: #0c3b5470;border-radius:6px;font-size: 1.5em;font-weight: bold;height: 100%;}
.offerta_costo_2{display: inline-block;width: 100%;vertical-align: middle;}
.cod_offerta{font-size:1em;}
.rosso{color:red;}
.minibox{background-color: #0c3b5410;border-radius: 0.5em;padding: 4px 0 4px 0;height: 100%;}
.azienda_disclaimer{text-align: justify;border: 1px solid #0c3b54;border-radius: 1em;padding:1.5em;background-color: #0c3b5410;margin-bottom: 1em;}
.margin-auto{margin: 0 auto;}
.g-recaptcha{margin: 0 auto;width: 304px;}
.norobot{margin:auto;}
.offerta_scadura{display:block;padding: 4px;}
.label-file{border: 1px solid #cacaca;background: #e6e6e6;padding:3px;border-radius: 0 3px 3px 0;}
iframe{width:100%;}
.float-right{float:right;}
.verde{color:#46d246;}
.giallo{color:#FFC300;}
.bianco{color:white;}
.arancione{color: #f16c20;}
.button.secondary{color:white;font-size:1.1em;}
.n_off_azienda{font-size:1.5em;font-weight:bold;}
.margin0px{margin:0px;}
.margin2px{margin:2px;}
.margin5px{margin:5px;}
.padding3em_horizontal{padding-left:3em;padding-right:3em;}
.padding1em{padding:1em;}
.padding10px{padding:10px;}
.padding5px{padding:5px;}
.padding2px{padding:2px;}
.padding0px{padding:0px;}
.div-call{margin:1em;border:1px solid #f16c20;border-radius:6px;box-shadow:0 2px 2px 0 rgba(0,0,0,.2),0 4px 5px 0 rgba(0,0,0,.19);padding: 8px;}
.call-big{font-family:'Gloria Hallelujah',cursive;margin:0.5em;font-size:2em;color:#f16c20;float:;}
.call{font-family:'Gloria Hallelujah',cursive;margin:0.5em;font-size:1em;color:#f16c20;}
.topm10{position:relative;top:-10px;}
.topm16{position:relative;top:-16px;}
.nsottoscrittori_1{font-size:0.8em;font-weight:;padding:0.8em;color:white;text-align:center;background-color:#fd9c2e;border-radius:6px;cursor:pointer;margin-left:0.4em;margin-right:0.4em;}
.nsottoscrittori_1_n{font-size:1.5em;font-weight: bold;font-family: 'Gloria Hallelujah',cursive;}
.box_offerta{margin:5px;background-color:#fff;border-radius:6px;margin-bottom:20px;color:gray;}
.box_offerta_box{padding:1em;}
.ribbon {float:right;padding:0.5em;padding-left:1em;padding-right:1em;text-align:center;background-color:#fd9c2e;box-shadow:0 2px 4px 0 rgba(0,0,0,.2),0 3px 10px 0 rgba(0,0,0,.19);position:relative;top:-1.2em;color:white;border-radius:0 0 1.5em 1.5em;}
.offerta_evidenza{border-radius:6px;margin-left:1em;margin-right:1em;background-color:white;}
.attiva_offerta{margin-left:1em;margin-right:1em;box-shadow:0 4px 8px 0 rgba(0,0,0,.2),0 6px 20px 0 rgba(0,0,0,.19);border-radius:6px;color:white;padding:1em;font-weight:700;text-align:center;background-color:#859da9;width:100%;cursor:pointer;}
.link_attiva_offerta{margin-left:1em;margin-right:1em;box-shadow:0 4px 8px 0 rgba(0,0,0,.2),0 6px 20px 0 rgba(0,0,0,.19);border-radius:6px;color:white;padding:1em;font-weight:700;text-align:center;background-color:#859da9;z-index: -100;}
.link_attiva_offerta>a{color:white;}
.link_attiva_offerta:hover{box-shadow:0 0 0 0 rgba(0,0,0,.2),0 0 0 0 rgba(0,0,0,.19);}
.input-group{margin-bottom:2px;}
.tag{margin:5px}
.alert_box_ko{border-radius:6px;background-color:#fde6de;font-size:25px;margin:20px;padding:4px}
.alert_box_ok{border-radius:6px;background-color:#93d68b;font-size:25px;margin:20px;padding:4px}
.input-group-label{width:60px}
.label-small{width:40px;padding-left:10px}
.headerimg{max-width:200px;max-height:160px;float:right}
.headerimg_left{height:160px}
.sottotitolo{font-family:'Gloria Hallelujah',cursive;color:#f16c20;font-size:30px}
.sottotitolo_img{font-family:'Gloria Hallelujah',cursive;color:#0c3b54}
.sottotitolo_img_left{font-family:'Gloria Hallelujah',cursive;color:#f16c20;position:relative;top:25px;left:-40px}
h1{font-family:'Gloria Hallelujah',cursive;margin:0;padding:0;padding-top:15px;font-weight:bold;}
h2{margin:0;padding:0;font-family:'Gloria Hallelujah',cursive;padding-top:0.5em;font-weight:bold;}
.pagetitle{margin:0;padding:0;font-family:'Gloria Hallelujah',cursive;padding-top:0.5em;font-weight:bold;}
.galleryimg{padding:4px;margin:1px solid;border-radius:6px;box-shadow:0 4px 8px 0 rgba(0,0,0,.2),0 6px 20px 0 rgba(0,0,0,.19);}
.galleryimg:hover{padding:4px;margin:1px solid;border-radius:6px;}
.relative{position:relative;top:-3px}
.link_to_prometheas{border-radius:3px;background-color:#f16c20;color:white;padding:3px;padding-left:6px;padding-right:6px;}
.link_to{border-radius:4px;background-color:#f16c20;font-size:1.5em;color:white;padding:0.2em;padding-left:0.4em;padding-right:0.4em;text-align:center;}
.ring2{position: relative;background-image: radial-gradient(white 0, white 60%, transparent 60%);width: 6em;height: 6em;border-radius: 50%;border-style: solid;border-width: 1px;border-color: white;margin-left: 0.9em;margin-top: 0.9em;background-color: white;box-shadow: 0px 0px 8px 2px #0c3b5450;z-index: 3;}
.speed {display: inline-block;position: absolute;top: 50%;left: 50%;transform: translateX(-50%) translateY(-50%);text-align: center;color: gray;}
.speed .number {font-size: 1.6em;font-weight: bold;}