/* 
 * Landing Page Napolike.it
 * Author: Matteo Morreale
 * Modern CSS with green, blue, and sky blue tones
 */

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

:root {
    /* Palette Colori Napolike */
    --primary-blu: #1d71b8;
    --secondary-blu-scuro: #093c67;
    --accent-azzurro: #00BCD4;
    --verde-chiaro: #81C784;
    --azzurro-scuro: #0097A7;
    --celeste-scuro: #5DADE2;
    
    /* Compatibilità con nomi precedenti */
    --primary-celeste: #1d71b8;
    --secondary-verde: #093c67;
    
    /* Neutri */
    --bianco: #FFFFFF;
    --grigio-chiaro: #F5F5F5;
    --grigio-medio: #E0E0E0;
    --grigio-scuro: #424242;
    --nero: #212121;
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    /* Spaziature */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 50px;
    
    /* Ombre */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    /* Transizioni */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;700&display=swap');

/* Base Styles */
body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--grigio-scuro);
    background: linear-gradient(135deg, var(--grigio-chiaro) 0%, var(--bianco) 100%);
    overflow-x: hidden;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.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); }

.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); }

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--nero);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    background: linear-gradient(135deg, var(--primary-blu), var(--secondary-blu-scuro));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    /* Fallback per browser che non supportano background-clip */
    color: var(--bianco);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--primary-blu);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--secondary-blu-scuro);
}

p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--grigio-scuro);
}

.lead {
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
    color: var(--secondary-blu-scuro);
}

/* Header */
.header {
    background: linear-gradient(135deg, #093c67 0%, #1d71b8 100%);
    padding: var(--spacing-lg) 0;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.header-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--bianco);
}

.logo {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.logo-image {
    max-height: 60px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
    transition: transform var(--transition-normal);
}

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

.hero-title {
    color: var(--bianco) !important;
    text-shadow: 0 3px 12px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.8);
    margin-bottom: var(--spacing-md);
    /* Migliora la leggibilità con un outline sottile */
    -webkit-text-stroke: 1px rgba(0, 0, 0, 0.2);
    /* Assicura che il testo sia sempre bianco e leggibile */
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: var(--bianco) !important;
    background-clip: unset !important;
    font-weight: var(--font-weight-bold);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    color: white;
}

.stats-highlight {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-bold);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.1rem;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

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

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blu), var(--secondary-blu-scuro));
    color: var(--bianco);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-blu-scuro), var(--primary-blu));
    color: var(--bianco);
}

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

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

/* Sections */
.section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

.section:nth-child(even) {
    background: var(--grigio-chiaro);
}

/* Cards */
.card {
    background: var(--bianco);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blu), var(--secondary-blu-scuro));
}

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

/* Product Cards */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* Forza 4 colonne */
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* Responsive per tablet */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 colonne su tablet */
    }
}

/* Responsive per mobile */
@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr; /* 1 colonna su mobile */
    }
}

.product-card {
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
}

.product-card.featured {
    transform: scale(1.05);
    border: 3px solid var(--secondary-verde);
}

.product-card.featured::after {
    content: 'PIÙ SCELTO';
    position: absolute;
    top: 0px;
    right: -10px;
    background: var(--secondary-verde);
    color: var(--bianco);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: var(--font-weight-bold);
    transform: rotate(15deg);
}

.product-image {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card:hover .product-image {
    transform: scale(1.1);
}

.product-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-blu-scuro);
}

.product-description {
    font-size: 0.95rem;
    color: var(--grigio-scuro);
    margin-bottom: var(--spacing-lg);
    min-height: 100px;
}

.product-price {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-blu);
    margin-bottom: var(--spacing-md);
}

/* Comparison Table */
.comparison-table {
    background: var(--bianco);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin: var(--spacing-xl) 0;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid var(--grigio-medio);
}

.comparison-table th {
    background: linear-gradient(135deg, var(--primary-blu), var(--secondary-blu-scuro));
    color: var(--bianco);
    font-weight: var(--font-weight-bold);
}

.comparison-table .featured-col {
    background: rgb(0 160 243 / 78%);
    position: relative;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .product-card.featured {
        transform: none;
        order: -1;
    }
    
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .comparison-table {
        overflow-x: auto;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .product-image {
        width: 100px;
        height: 100px;
    }
    
    .card {
        padding: var(--spacing-lg);
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--bianco);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Success/Error Messages */
.message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    font-weight: var(--font-weight-medium);
}

.message.success {
    background: rgba(29, 113, 184, 0.1);
    color: var(--primary-blu);
    border: 1px solid var(--primary-blu);
}

.message.error {
    background: rgba(244, 67, 54, 0.1);
    color: #f44336;
    border: 1px solid #f44336;
}

/* Footer */
.footer {
    background: #093c67;
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer p{
    color: white;
}

.footer a {
    color: white;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer a:hover {
    color: var(--secondary-blu-scuro);
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--grigio-scuro);
    font-weight: var(--font-weight-medium);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--grigio-medio);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blu);
    box-shadow: 0 0 0 3px rgba(29, 113, 184, 0.1);
}

.form-group small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--grigio-scuro);
    font-size: 0.875rem;
}

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

/* Alert Styles */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    border: 1px solid transparent;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-error {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert h4 {
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-bold);
}

/* File Input Styling */
input[type="file"] {
    padding: var(--spacing-xs) !important;
    background-color: var(--grigio-chiaro);
}

input[type="file"]::-webkit-file-upload-button {
    background-color: var(--primary-blu);
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    margin-right: var(--spacing-sm);
}

input[type="file"]::-webkit-file-upload-button:hover {
    background-color: var(--secondary-blu-scuro);
}