:root {
    --bg-dark: linear-gradient(135deg, #020b16 0%, #051937 100%);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent-blue: #2f54eb;
    --glow-color: rgba(47, 84, 235, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    min-height: 100vh;
}

#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.container {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

header {
    text-align: center;
    margin-bottom: 60px;
}

.glow-text {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(to right, #fff, #aab7c4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

.subtitle {
    margin-top: 15px;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    width: 100%;
}

.card {
    position: relative;
    padding: 40px;
    border-radius: 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
}

.active-card:hover {
    transform: translateY(-12px);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px var(--glow-color);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent-blue);
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 100px;
    font-weight: 600;
}

.placeholder-card {
    border: 1px dashed var(--glass-border);
    background: rgba(255, 255, 255, 0.02);
    opacity: 0.6;
}

footer {
    margin-top: auto;
    padding-top: 60px;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .glow-text {
        font-size: 2.5rem;
    }
    .grid {
        grid-template-columns: 1fr;
    }
}