* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --bg-dark: #0a0a0f;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.1);
    --text: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.header {
    position: relative;
    z-index: 10;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    background: rgba(10, 10, 15, 0.8);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.hero {
    text-align: center;
    margin-bottom: 4rem;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.125rem;
}

.panels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.panel-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.3s ease;
}

.panel-card:hover:not(.disabled) {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

.panel-card.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.panel-icon {
    font-size: 3rem;
    margin-bottom: 1.25rem;
}

.panel-card h2 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.panel-card p {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

@media (max-width: 768px) {
    .main {
        padding: 2rem 1rem;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .panels-grid {
        grid-template-columns: 1fr;
    }
}