/* ====================== */
/* VARIABILI E IMPOSTAZIONI GLOBALI */
/* ====================== */

:root {
    /* Colori Principali */
    --primary-color: #01173d;
    --primary-light: #1a2f5a;
    --primary-dark: #000b1f;
    --secondary-color: #e8491d;
    --secondary-light: #ff6b42;
    --secondary-dark: #c13e19;
    
    /* Palette Estesa */
    --accent-color: #8bae00;
    --accent-light: #a4c917;
    --accent-dark: #6d8a00;
    --text-color: #333333;
    --text-light: #666666;
    --text-dark: #1a1a1a;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --white: #ffffff;
    --black: #000000;
    
    /* Ombre e Effetti */
    --shadow-light: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-medium: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-heavy: 0 8px 32px rgba(0,0,0,0.16);
    --border-radius: 8px;
    --border-radius-large: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Typography */
    --font-primary: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
}

/* ====================== */
/* RESET E BASE STYLES */
/* ====================== */

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

*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-color);
    background: var(--light-gray);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-3xl); }
h2 { 
    font-size: var(--font-size-2xl);
    margin-top: var(--spacing-lg);
}
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

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

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

/* ====================== */
/* LAYOUT CONTAINERS */
/* ====================== */

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

.home-body {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* ====================== */
/* COMPONENTI CTA */
/* ====================== */

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: var(--white);
    text-decoration: none;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    text-transform: none;
    letter-spacing: 0.3px;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.2) 50%, transparent 100%);
    transition: left 0.6s ease;
}

.cta-button:hover {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, #a83315 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    color: var(--white);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:active {
    transform: translateY(0);
    box-shadow: var(--shadow-light);
}

/* Variante Secondary */
.cta-button.secondary {
    background: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    box-shadow: none;
}

.cta-button.secondary::before {
    background: var(--secondary-color);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cta-button.secondary:hover {
    background: var(--secondary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.cta-button.secondary:hover::before {
    opacity: 0.1;
}

/* Variante Primary */
.cta-button.primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.cta-button.primary:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
}

/* Variante Accent */
.cta-button.accent {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-dark) 100%);
}

.cta-button.accent:hover {
    background: linear-gradient(135deg, var(--accent-dark) 0%, #5a7300 100%);
}

/* Size Variants */
.cta-button.small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.cta-button.large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* ====================== */
/* LAYOUT UTILITY WRAPPER */
/* ====================== */

.utility-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
    margin-bottom: var(--spacing-xl);
    padding: 0 var(--spacing-sm);
}

/* Card Base Style per sezioni */
.utility-wrapper > * {
    background: var(--white);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    overflow: hidden;
}

.utility-wrapper > *:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

/* ====================== */
/* NEWSLETTER SECTION */
/* ====================== */

.newsletter-section {
    background: linear-gradient(135deg, var(--white) 0%, #f8f9ff 100%);
    padding: var(--spacing-xl);
    margin: var(--spacing-lg) auto;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--medium-gray);
}

.newsletter-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
}

.newsletter-section h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-2xl);
}

.newsletter-section p {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    align-items: stretch;
    max-width: 500px;
    margin: 0 auto var(--spacing-md);
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
    background: var(--white);
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(1, 23, 61, 0.1);
}

.newsletter-form input[type="email"]::placeholder {
    color: var(--text-light);
}

.newsletter-actions {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* Feedback Messages */
.newsletter-feedback,
.newsletter-loader {
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
}

.newsletter-feedback.success {
    color: var(--accent-color);
    background: rgba(139, 174, 0, 0.1);
    border: 1px solid rgba(139, 174, 0, 0.3);
}

.newsletter-feedback.error {
    color: #dc3545;
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.newsletter-loader {
    color: var(--primary-color);
    background: rgba(1, 23, 61, 0.1);
    border: 1px solid rgba(1, 23, 61, 0.3);
}

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

/* Tablet */
@media (max-width: 1024px) {
    .home-body {
        padding: var(--spacing-md) var(--spacing-sm);
        gap: var(--spacing-lg);
    }
    
    .utility-wrapper {
        gap: var(--spacing-lg);
    }
    
    :root {
        --font-size-3xl: 1.75rem;
        --font-size-2xl: 1.375rem;
    }
}

/* Mobile Large */
@media (max-width: 800px) {
    .utility-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0;
    }
    
    .newsletter-section {
        padding: var(--spacing-lg);
        margin: var(--spacing-md) auto;
    }
    
    .newsletter-form {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .newsletter-form input[type="email"] {
        width: 100%;
    }
    
    .newsletter-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-button {
        width: 100%;
        justify-content: center;
    }
}

/* Mobile Small */
@media (max-width: 480px) {
    .home-body {
        padding: var(--spacing-sm) var(--spacing-xs);
        gap: var(--spacing-md);
    }
    
    .container {
        width: 95%;
        padding: 0 var(--spacing-xs);
    }
    
    .newsletter-section {
        padding: var(--spacing-md);
    }
    
    .newsletter-section h2 {
        font-size: var(--font-size-xl);
    }
    
    :root {
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }
}

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

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.hidden { display: none; }
.visible { display: block; }

.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease forwards;
}

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

/* Focus States per Accessibilità */
button:focus,
input:focus,
.cta-button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Riduzione Motion per Accessibilità */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}