/* Landing Page Premium Styles */
:root {
    --primary-gradient: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --hover-glow: 0 0 20px rgba(59, 130, 246, 0.3);
}

body {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 20%);
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
}

.landing-container {
    text-align: center;
    position: relative;
    z-index: 10;
    animation: fadeIn 1s ease-out;
}

.logo-container {
    margin-bottom: 3rem;
}

.logo {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin: 0;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.1));
}

.logo-icon {
    font-size: 3rem;
    margin-right: 0.5rem;
    vertical-align: middle;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 1rem;
    font-weight: 300;
}

.nav-cards {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    margin-top: 2rem;
}

.nav-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 3rem 2rem;
    border-radius: 20px;
    width: 280px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: var(--glass-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(59, 130, 246, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.nav-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), var(--hover-glow);
    border-color: rgba(59, 130, 246, 0.4);
}

.nav-card:hover::before {
    opacity: 1;
}

.card-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    transition: transform 0.4s ease;
}

.nav-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.card-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
    opacity: 0.8;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.background-blur {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15), transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
}