/* Image de fond moderne pour PNOEV */
.pnoev-hero-background {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.pnoev-hero-background::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 1000 1000"><defs><linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%23ffffff;stop-opacity:0.1" /><stop offset="100%" style="stop-color:%23ffffff;stop-opacity:0.05" /></linearGradient></defs><g fill="url(%23grad1)"><circle cx="200" cy="200" r="100" opacity="0.3"><animate attributeName="r" values="100;120;100" dur="4s" repeatCount="indefinite"/></circle><circle cx="800" cy="300" r="80" opacity="0.2"><animate attributeName="r" values="80;100;80" dur="3s" repeatCount="indefinite"/></circle><circle cx="600" cy="700" r="90" opacity="0.25"><animate attributeName="r" values="90;110;90" dur="5s" repeatCount="indefinite"/></circle><polygon points="100,800 200,700 300,800 200,900" opacity="0.15"><animateTransform attributeName="transform" type="rotate" values="0 200 800;360 200 800" dur="10s" repeatCount="indefinite"/></polygon><polygon points="700,100 800,50 900,100 800,150" opacity="0.1"><animateTransform attributeName="transform" type="rotate" values="0 800 100;-360 800 100" dur="12s" repeatCount="indefinite"/></polygon></g></svg>') center/cover;
    opacity: 0.6;
}

.pnoev-logo-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 2;
}

.pnoev-logo-text {
    font-size: 3.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ffffff, #e3f2fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pnoev-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}