/* Variabili CSS per colori e temi */
:root {
    --primary-color: #000000;
    --accent-color: #00ff66;
    --text-color: #ffffff;
    --card-bg: #ffffff;
    --card-shadow: rgba(0, 0, 0, 0.4);
    --card-hover-shadow: rgba(0, 255, 102, 0.5);
    --section-padding: 2rem;
    --transition-speed: 0.3s;
    --border-radius: 8px;
    --font-family: 'Pixelade', monospace, 'Courier New', Courier, sans-serif;
}

/* Definizione del font personalizzato con precaricamento ottimizzato */
@font-face {
    font-family: 'Pixelade';
    src: url('Fonts/PIXELADE.TTF') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap; /* Ottimizzazione per il rendering del testo */
}

/* Animazioni globali */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Reset e stili generali */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth; /* Scroll fluido con ancore */
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--primary-color);
    background-color: #fff;
    overflow-x: hidden;
}

img, video {
    max-width: 100%;
    height: auto;
}

/* Header e navigazione migliorati */
header {
    background-color: var(--primary-color);
    color: var(--text-color);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-speed) ease;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo h1 {
    font-size: 3.2rem;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 4px;
    text-shadow: 3px 3px 0 var(--accent-color);
    font-weight: bold;
    margin: 0;
    padding: 0;
    line-height: 1.1;
    transition: transform var(--transition-speed) ease;
    transform: scaleX(1.05);
}

.logo h1:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.5rem;
    transition: color var(--transition-speed) ease;
    padding: 0.5rem 0;
    display: inline-block;
}

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

.nav-links a.active {
    color: var(--text-color);
    position: relative;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    transition: width var(--transition-speed) ease;
}

.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
}

/* Layout principale */
main {
    margin: 0;
    width: 100%;
    max-width: 100%;
    padding: 0;
}

section {
    padding: var(--section-padding) 0;
}

/* Sezione hero migliorata */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('images/imagehome.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Effetto parallasse */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-color);
    padding: 0;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
    width: 100%;
}

.hero-content {
    max-width: 800px;
    padding: 3rem;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: var(--border-radius);
    animation: fadeIn 1s ease-out;
    backdrop-filter: blur(5px); /* Effetto vetro smerigliato (supportato nei browser moderni) */
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero h2 {
    font-size: clamp(2rem, 5vw, 3.5rem); /* Responsive text size */
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
    line-height: 1.2;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.3rem);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-color);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 1px;
    line-height: 1.6;
}

/* Bottoni migliorati */
.btn-primary {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--text-color);
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: bold;
    transition: all var(--transition-speed) ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--text-color);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--text-color);
    transition: all var(--transition-speed) ease;
    z-index: -1;
}

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

.btn-primary:hover::before {
    left: 0;
}

/* Stili per le sezioni dei giochi */
.games-section {
    padding: 20px;
    text-align: center;
}

.games-section h2 {
    margin-bottom: 20px;
    color: var(--text-color);
}

/* Sezione "Perché RetroPi" */
.why-retropi-section {
    padding: 3rem 20px;
    text-align: center;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.02) 0%, rgba(0, 255, 102, 0.05) 100%);
    margin: 2rem 0;
}

.why-retropi-section .section-title {
    margin-bottom: 2.5rem;
    color: var(--primary-color);
    font-size: 2.2rem;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
}

.why-retropi-section .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
}

.why-retropi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
}

.why-card {
    background: var(--card-bg);
    border: 2px solid var(--accent-color);
    border-radius: var(--border-radius);
    padding: 2rem 1.5rem;
    box-shadow: 0 5px 15px var(--card-shadow);
    transition: all var(--transition-speed) ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-color);
    transform: scaleX(0);
    transition: transform var(--transition-speed) ease;
}

.why-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px var(--card-hover-shadow);
    border-color: var(--accent-color);
}

.why-card:hover::before {
    transform: scaleX(1);
}

.why-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 255, 102, 0.3));
    transition: transform var(--transition-speed) ease;
}

.why-card:hover .why-icon {
    transform: scale(1.1) rotate(5deg);
}

.why-title {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.why-text {
    color: #333;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin: 0 auto;
    max-width: 1200px;
}

/* Stile specifico per la card Coming Soon */
.coming-soon-card {
    max-width: 300px;
    margin: 0 auto;
}

/* Quando ci sono solo due card nell'ultima riga, centrale */
.last-row-container {
    grid-column: 1 / -1 !important;
    display: flex !important;
    justify-content: center !important;
    gap: 40px !important;
    margin: 20px auto 0 !important;
    width: 100% !important;
    max-width: 700px !important;
}

.last-row-container .game-card {
    width: 280px !important;
    flex: 0 0 auto !important;
    margin: 0 !important;
}

/* Card del gioco migliorata */
.game-card {
    min-height: 350px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 5px 15px var(--card-shadow);
    transition: all var(--transition-speed) ease;
    position: relative;
    background-color: var(--card-bg);
    display: flex;
    flex-direction: column;
    transform: translateY(0);
}

.game-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px var(--card-hover-shadow);
}

.game-card a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    padding: 1rem;
}

.game-image-container {
    width: 100%;
    height: 220px;
    overflow: hidden;
    border-radius: calc(var(--border-radius) - 2px);
    position: relative;
    margin-bottom: 1rem;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.game-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.game-card:hover .game-image {
    transform: scale(1.08);
}

.game-image-container video.game-image {
    object-fit: contain;
    background-color: var(--primary-color);
    max-height: 100%;
    width: auto;
    max-width: 100%;
}

/* Fallback per video non caricati */
.video-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--primary-color);
    color: var(--text-color);
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    z-index: 1;
}

video:not([controls]) + .video-fallback {
    display: flex;
}

video[controls] + .video-fallback {
    display: none;
}

.game-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 1rem 0;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    position: relative;
    padding-bottom: 0.5rem;
}

.game-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition-speed) ease;
}

.game-card:hover .game-title::after {
    width: 80px;
}

.game-description {
    color: #222;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0.5rem 1rem 1rem;
    text-align: center;
    font-family: var(--font-family);
    min-height: 2.8rem;
    font-weight: 400;
}

.game-description strong {
    color: #00ff66;
    font-weight: 600;
}

/* Contenitore annunci migliorato */
.ad-container {
    max-width: 300px;
    margin: 30px auto;
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: var(--border-radius);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all var(--transition-speed) ease;
}

/* Stile per l'AdSense */
.google-ad-container {
    width: 100%;
    max-width: 970px;
    min-height: 250px;
    margin: 3rem auto;
    text-align: center;
    position: relative;
}

/* Footer migliorato */
footer {
    background-color: var(--primary-color);
    color: var(--text-color);
    padding: 1.5rem 0;
    margin-top: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
}

.social-icons a {
    color: var(--text-color);
    font-size: 1.8rem;
    transition: color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.social-icons a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

.copyright {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    font-size: 0.9rem;
}

.copyright p {
    margin-bottom: 1rem;
}

.policy-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.policy-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
    font-size: 0.9rem;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
}

.policy-links a:hover {
    color: var(--accent-color);
}

/* Scroll To Top Button */
.scroll-top {
    position: fixed;
    top: 5rem;
    right: 1.5rem;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: var(--text-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) ease;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.scroll-top.active {
    opacity: 0.9;
    visibility: visible;
}

.scroll-top:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
    transform: translateY(-5px);
    opacity: 1;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
}

/* Stile per il toggle del tema */
.theme-toggle {
    margin-top: 1rem;
}

.theme-toggle button {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-speed) ease;
}

.theme-toggle button:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Gestione errori risorse */
.image-error, .video-error {
    position: relative;
    background-color: #f8f8f8;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-error::after, .video-error::after {
    content: 'Immagine non disponibile';
    font-size: 0.9rem;
    color: #888;
}

.video-error::after {
    content: 'Video non disponibile';
}

/* Media queries migliorate */
@media (max-width: 1200px) {
    .games-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 992px) {
    .games-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .why-retropi-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .hero-content {
        padding: 2rem;
    }
    
    .hamburger {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        background-color: var(--primary-color);
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        flex-direction: column;
        align-items: center;
        padding-top: 2rem;
        transition: left var(--transition-speed) ease;
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 1rem 0;
    }
}

@media (max-width: 576px) {
    .games-grid {
        grid-template-columns: 1fr;
    }

    .why-retropi-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 100%;
    }

    .why-retropi-section .section-title {
        font-size: 1.8rem;
    }

    .why-card {
        padding: 1.5rem 1rem;
    }

    .why-icon {
        font-size: 3rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Tema scuro */
body.dark-theme {
    --primary-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #f1f1f1;
    --card-shadow: rgba(0, 0, 0, 0.6);
    background-color: #121212;
    color: #f1f1f1;
}

body.dark-theme .game-title {
    color: #f1f1f1;
}

body.dark-theme .game-description {
    color: #aaa;
}

body.dark-theme .why-retropi-section {
    background: linear-gradient(180deg, rgba(18, 18, 18, 0.5) 0%, rgba(0, 255, 102, 0.1) 100%);
}

body.dark-theme .why-card {
    background: var(--card-bg);
    border-color: var(--accent-color);
}

body.dark-theme .why-title {
    color: var(--text-color);
}

body.dark-theme .why-text {
    color: #ccc;
}

/* Accessibilità & stampa */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media print {
    .ad-container, .google-ad-container, .scroll-top, .hamburger {
        display: none !important;
    }
    
    .hero {
        height: auto;
        background: none !important;
        color: black;
        margin: 1cm 0;
    }
    
    .hero-content {
        background: none;
        color: black;
        box-shadow: none;
    }
    
    body, .game-title {
        color: black;
    }
    
    a {
        text-decoration: underline;
    }
    
    footer {
        background-color: transparent;
        color: black;
    }
}