:root {
    --primary: #2D3436;
    --accent: #0984E3;
    --gradient: linear-gradient(45deg, #0984E3, #00CEC9);
    --text: #2D3436;
    --bg: #FFFFFF;
    --text-dark: #1f2937;
    --text-light: #6b7280;
}

/* Styles de base */
body {
    font-family: 'Poppins', sans-serif;
    background-color: #f8fafc;
    color: var(--text-dark);
}

/* Particles Container */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: linear-gradient(135deg, #2D3436 0%, #0984E3 100%);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 8rem 0 4rem;
    background: transparent;
    color: white;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.subtitle {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
    color: #fff;
}

.subtitle-line {
    width: 50px;
    height: 2px;
    background: white;
    animation: expandWidth 1s ease forwards;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #fff;
}

.description {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    color: #fff;
}

/* Certifications Section */
.certifications {
    position: relative;
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    z-index: 1;
}

.certification-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.certification-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    border-color: #0984E3;
}

.certification-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.certification-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.certification-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Progress Bar Styles */
.certification-status {
    margin-bottom: 1.5rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: var(--gradient);
    border-radius: 4px;
    transition: width 1s ease;
}

.certification-status span {
    font-size: 0.9rem;
    color: #0984E3;
    font-weight: 500;
}

.certification-date {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.btn-verify {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: var(--gradient);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.btn-verify:hover {
    transform: translateY(-2px);
    color: white;
}

.btn-verify::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.btn-verify:hover::after {
    transform: translateX(0);
}

/* Animations */
@keyframes expandWidth {
    from {
        width: 0;
    }

    to {
        width: 50px;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .certification-card {
        margin-bottom: 2rem;
    }
}