/* ===== CSS UNIVERSALE ITALYAMAMI ===== */
/* Compatibile con tutti i dispositivi e browser */

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

/* Variabili CSS universali */
:root {
    /* Colori principali */
    --primary-color: #a259ec;
    --primary-dark: #8a2be2;
    --primary-light: #da70d6;
    --secondary-color: #667eea;
    --accent-color: #764ba2;
    
    /* Background */
    --bg-primary: #181028;
    --bg-secondary: #1a1333;
    --bg-card: #2d1850;
    --bg-overlay: rgba(255, 255, 255, 0.1);
    
    /* Testo */
    --text-primary: #f3f3f3;
    --text-secondary: #e0d7fa;
    --text-muted: #666;
    
    /* Bordi */
    --border-primary: #a259ec;
    --border-secondary: #2d1850;
    --border-light: rgba(255, 255, 255, 0.2);
    
    /* Ombre */
    --shadow-primary: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(162, 89, 236, 0.4);
    --shadow-card: 0 4px 15px rgba(102, 126, 234, 0.4);
    
    /* Gradienti */
    --gradient-primary: linear-gradient(135deg, #a259ec, #181028);
    --gradient-secondary: linear-gradient(135deg, #667eea, #764ba2);
    --gradient-card: linear-gradient(135deg, rgba(162, 89, 236, 0.1), rgba(218, 112, 214, 0.1));
    
    /* Bordi arrotondati */
    --border-radius: 20px;
    --border-radius-small: 25px;
    --border-radius-large: 30px;
    
    /* Transizioni */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
    
    /* Safe area per dispositivi con notch */
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-left: env(safe-area-inset-left, 0px);
    --safe-area-right: env(safe-area-inset-right, 0px);
}

/* Stili base universali */
html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Container principale */
.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-primary);
    position: relative;
}

header h1 {
    font-size: clamp(2rem, 8vw, 4rem);
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 4s ease-in-out infinite;
    word-wrap: break-word;
    hyphens: auto;
}

.tagline {
    font-size: clamp(1rem, 4vw, 1.5rem);
    opacity: 0.9;
    margin-bottom: 30px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.beta-notice {
    background: var(--gradient-card);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: 15px 30px;
    display: inline-block;
    font-weight: 600;
    animation: glow 4s ease-in-out infinite;
    max-width: 100%;
    word-wrap: break-word;
}

/* Sezioni social */
.social-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
    width: 100%;
}

.social-section {
    background: var(--bg-card);
    border: 2px solid var(--border-primary);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    width: 100%;
}

.social-section:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-light);
}

.social-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-secondary);
}

.section-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    display: block;
}

.social-section h3 {
    font-size: clamp(1.2rem, 4vw, 1.8rem);
    margin-bottom: 15px;
    color: var(--text-primary);
    line-height: 1.2;
}

.social-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: clamp(0.9rem, 3vw, 1rem);
}

.features-list {
    list-style: none;
    text-align: left;
    margin-bottom: 25px;
}

.features-list li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 25px;
    font-size: clamp(0.8rem, 2.5vw, 0.9rem);
}

.features-list li::before {
    content: '❤️';
    position: absolute;
    left: 0;
    font-size: 0.9rem;
}

/* Bottoni professionali */
.main-buttons {
    margin: 40px 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    width: 100%;
}

.button-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    max-width: 800px;
}

.btn-primary,
.btn-secondary,
.btn-support,
.btn-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 30px;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-card);
    border: 2px solid transparent;
    min-width: 160px;
    min-height: 80px;
    position: relative;
    overflow: hidden;
    flex: 1;
    max-width: 200px;
    text-align: center;
}

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

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
    background: linear-gradient(135deg, #9d4edd, #0f0a1a);
    outline: none;
}

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

.btn-secondary:hover,
.btn-secondary:focus {
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #5a6fd8, #6a4190);
    outline: none;
}

.btn-support {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    border-color: #28a745;
}

.btn-support:hover,
.btn-support:focus {
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(40, 167, 69, 0.4);
    background: linear-gradient(135deg, #218838, #1e7e34);
    outline: none;
}

.btn-info {
    background: linear-gradient(135deg, #17a2b8, #6f42c1);
    color: white;
    border-color: #17a2b8;
}

.btn-info:hover,
.btn-info:focus {
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(23, 162, 184, 0.4);
    background: linear-gradient(135deg, #138496, #5a32a3);
    outline: none;
}

.btn-primary i,
.btn-secondary i,
.btn-support i,
.btn-info i {
    font-size: 1.5rem;
    margin-bottom: 8px;
    display: block;
}

.btn-primary span,
.btn-secondary span,
.btn-support span,
.btn-info span {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
    display: block;
}

.btn-support small,
.btn-info small {
    font-size: 0.8rem;
    opacity: 0.9;
    font-weight: 400;
    display: block;
}

/* Effetto shimmer */
.btn-primary::before,
.btn-secondary::before,
.btn-support::before,
.btn-info::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 0.6s ease;
}

.btn-primary:hover::before,
.btn-secondary:hover::before,
.btn-support:hover::before,
.btn-info:hover::before {
    left: 100%;
}

/* Modalità del sito */
.site-modes {
    margin: 40px 0;
    text-align: center;
    width: 100%;
}

.modes-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
    margin-bottom: 15px;
    color: var(--text-primary);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.modes-subtitle {
    font-size: clamp(1rem, 3vw, 1.2rem);
    color: var(--text-secondary);
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.4;
}

.modes-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 10px;
    width: 100%;
}

.mode-slide {
    background: var(--bg-card);
    border: 2px solid var(--border-primary);
    border-radius: var(--border-radius);
    padding: 20px 15px;
    text-align: center;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.mode-slide:hover {
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

.mode-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    font-size: 24px;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.mode-slide:hover .mode-icon {
    transform: scale(1.05);
}

.mode-slide h3 {
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    line-height: 1.2;
}

.mode-slide p {
    font-size: clamp(0.75rem, 2vw, 0.85rem);
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.3;
}

/* Footer */
footer {
    text-align: center;
    color: var(--text-secondary);
    margin-top: auto;
    padding: 30px 0;
    width: 100%;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: var(--border-radius-small);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    font-size: clamp(0.8rem, 2.5vw, 0.9rem);
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: var(--bg-overlay);
    outline: none;
}

.footer-links i {
    margin-right: 8px;
}

.copyright {
    color: var(--text-muted);
    font-size: clamp(0.8rem, 2vw, 0.9rem);
}

/* Animazioni */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(162, 89, 236, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(162, 89, 236, 0.8), 0 0 30px rgba(162, 89, 236, 0.6);
    }
}

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

.animate-fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

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

/* Tablet landscape e desktop piccoli */
@media screen and (max-width: 1024px) {
    .container {
        padding: 15px;
    }
    
    .social-sections {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .modes-slider {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 12px;
    }
}

/* Tablet portrait */
@media screen and (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .social-sections {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .social-section {
        padding: 20px;
    }
    
    .button-group {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-support,
    .btn-info {
        min-width: 200px;
        min-height: 70px;
        padding: 15px 25px;
        max-width: 300px;
    }
    
    .modes-slider {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 0 5px;
    }
    
    .mode-slide {
        padding: 15px 10px;
        min-height: 120px;
    }
    
    .mode-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
        margin-bottom: 10px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

/* Mobile landscape */
@media screen and (max-width: 640px) {
    .container {
        padding: 10px;
    }
    
    .main-buttons {
        margin: 30px 0;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-support,
    .btn-info {
        min-width: 180px;
        min-height: 65px;
        padding: 12px 20px;
    }
    
    .btn-primary i,
    .btn-secondary i,
    .btn-support i,
    .btn-info i {
        font-size: 1.3rem;
        margin-bottom: 6px;
    }
    
    .btn-primary span,
    .btn-secondary span,
    .btn-support span,
    .btn-info span {
        font-size: 1rem;
    }
    
    .modes-slider {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 0;
    }
    
    .mode-slide {
        padding: 12px 8px;
        min-height: 100px;
    }
    
    .mode-icon {
        width: 35px;
        height: 35px;
        font-size: 18px;
        margin-bottom: 8px;
    }
}

/* Mobile portrait */
@media screen and (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    .main-buttons {
        margin: 25px 0;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-support,
    .btn-info {
        min-width: 160px;
        min-height: 60px;
        padding: 10px 15px;
    }
    
    .btn-primary i,
    .btn-secondary i,
    .btn-support i,
    .btn-info i {
        font-size: 1.2rem;
        margin-bottom: 5px;
    }
    
    .btn-primary span,
    .btn-secondary span,
    .btn-support span,
    .btn-info span {
        font-size: 0.95rem;
    }
    
    .btn-support small,
    .btn-info small {
        font-size: 0.75rem;
    }
    
    .modes-slider {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .mode-slide {
        padding: 10px 6px;
        min-height: 90px;
    }
    
    .mode-icon {
        width: 30px;
        height: 30px;
        font-size: 16px;
        margin-bottom: 6px;
    }
}

/* Extra small devices */
@media screen and (max-width: 320px) {
    .container {
        padding: 8px;
    }
    
    .modes-slider {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .mode-slide {
        padding: 8px;
        min-height: 80px;
    }
    
    .mode-icon {
        width: 25px;
        height: 25px;
        font-size: 14px;
        margin-bottom: 5px;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-support,
    .btn-info {
        min-width: 140px;
        min-height: 55px;
        padding: 8px 12px;
    }
}

/* ===== COMPATIBILITÀ BROWSER ===== */

/* Supporto per browser più vecchi */
@supports not (display: grid) {
    .social-sections {
        display: flex;
        flex-wrap: wrap;
    }
    
    .social-section {
        flex: 1 1 280px;
        margin: 10px;
    }
    
    .modes-slider {
        display: flex;
        flex-wrap: wrap;
    }
    
    .mode-slide {
        flex: 1 1 150px;
        margin: 5px;
    }
}

/* Supporto per flexbox fallback */
@supports not (display: flex) {
    .main-buttons,
    .button-group,
    .footer-links {
        display: block;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-support,
    .btn-info {
        display: block;
        margin: 10px auto;
    }
}

/* Supporto per CSS Grid fallback */
@supports not (display: grid) {
    .social-sections {
        display: block;
    }
    
    .social-section {
        display: block;
        margin-bottom: 20px;
    }
}

/* ===== ACCESSIBILITÀ ===== */

/* Focus indicators */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .btn-primary::before,
    .btn-secondary::before,
    .btn-support::before,
    .btn-info::before {
        display: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #ffffff;
        --text-secondary: #ffffff;
        --border-primary: #ffffff;
    }
}

/* Print styles */
@media print {
    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }
    
    .main-buttons,
    .footer-links {
        display: none;
    }
}