/* =========================================
   VARIABILI GLOBALI (Colori, Font, Spazi)
========================================= */
:root {
    /* Tavolozza Colori "Premium Dark" */
    --bg-color: #0B0F19; /* Sfondo scuro profondo */
    --surface-color: #1A1F2E; /* Sfondo per le card */
    --text-main: #FFFFFF;
    --text-muted: #94A3B8;
    
    /* Colori d'accento (Glow e bottoni) */
    --accent-primary: #3B82F6; /* Blu acceso */
    --accent-secondary: #8B5CF6; /* Viola acceso */
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    
    /* Colori categorie */
    --cat-sport: #10B981; /* Smeraldo */
    --cat-deal: #F59E0B; /* Ambra */
    --cat-music: #EC4899; /* Rosa */

    /* Tipografia */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spaziature e Bordi */
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================
   RESET E BASE
========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

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

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

/* =========================================
   UTILITIES (Testi sfumati, ecc.)
========================================= */
.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =========================================
   NAVBAR
========================================= */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent-primary);
}

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

.nav-links a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-main);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
}

/* =========================================
   HERO SECTION
========================================= */
.hero {
    position: relative;
    padding: 150px 0 100px;
    text-align: center;
    overflow: hidden;
}

/* Effetto di luce di sfondo */
.hero-bg-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: var(--accent-primary);
    filter: blur(200px);
    opacity: 0.3;
    border-radius: 50%;
    z-index: -1;
    animation: pulse 8s infinite alternate;
}

@keyframes pulse {
    0% { opacity: 0.2; transform: translateX(-50%) scale(1); }
    100% { opacity: 0.4; transform: translateX(-50%) scale(1.2); }
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* =========================================
   BOTTONI
========================================= */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 100%;
    margin-top: 1rem;
}

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

/* =========================================
   SEZIONE EVENTI
========================================= */
.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.2rem;
}

.section-header p {
    color: var(--text-muted);
}

/* Griglia */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

/* Card */
.event-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.event-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card-img-wrapper {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.event-card:hover .card-img-wrapper img {
    transform: scale(1.05);
}

/* Etichette Categorie */
.category-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: white;
    backdrop-filter: blur(4px);
}

.category-tag.sport { background: rgba(16, 185, 129, 0.8); }
.category-tag.deal { background: rgba(245, 158, 11, 0.8); }
.category-tag.music { background: rgba(236, 72, 153, 0.8); }

.card-content {
    padding: 1.5rem;
}

.card-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.date {
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.description {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* =========================================
   FOOTER
========================================= */
.footer {
    background: #060910;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-legal h4 {
    margin-bottom: 1rem;
}

.footer-legal p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.legal-links a {
    display: inline-block;
    margin-right: 1rem;
    font-size: 0.85rem;
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* =========================================
   RESPONSIVE DESIGN (Smartphone)
========================================= */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-color);
        flex-direction: column;
        align-items: center;
        padding-top: 2rem;
        transition: var(--transition);
    }

    .nav-links.show {
        left: 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}