/* ===== CSS Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color palette - warm and inviting for learning */
    --primary-purple: #7c3aed;
    --accent-pink: #ec4899;
    --accent-orange: #f59e0b;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* Animated background gradient */
body::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.container {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
}

.content {
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.logo h1 {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-purple), var(--accent-pink), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    animation: gradientShift 3s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.message {
    margin: 3rem 0;
}

.message h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.message p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

.footer {
    margin-top: 4rem;
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 300;
}

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

    .message h2 {
        font-size: 1.75rem;
    }

    .message p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 2rem;
    }

    .message h2 {
        font-size: 1.5rem;
    }
}

/* Selection Styling */
::selection {
    background: var(--primary-purple);
    color: var(--text-primary);
}

::-moz-selection {
    background: var(--primary-purple);
    color: var(--text-primary);
}