/* Custom CSS for Hello Learn */
:root {
    --primary-gradient: linear-gradient(135deg, #2563eb, #1e40af);
}

body {
    font-family: 'IBM Plex Sans Arabic', sans-serif;
    overflow-x: hidden;
    /* Smooth transition for theme switching */
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Animations */
@keyframes float {
    0% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-15px) rotate(1deg);
    }

    100% {
        transform: translateY(0px) rotate(0deg);
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float-delayed {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0px);
    }
}

.animate-float-delayed {
    animation: float-delayed 7s ease-in-out infinite;
    animation-delay: 1.5s;
}

@keyframes blob {
    0% {
        transform: translate(0px, 0px) scale(1);
    }

    33% {
        transform: translate(30px, -50px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }

    100% {
        transform: translate(0px, 0px) scale(1);
    }
}

.animate-blob {
    animation: blob 7s infinite;
}

.animation-delay-200 {
    animation-delay: 0.2s;
}

.animation-delay-400 {
    animation-delay: 0.4s;
}

.animation-delay-600 {
    animation-delay: 0.6s;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.animation-delay-4000 {
    animation-delay: 4s;
}

/* Scroll Revealing Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Utilities */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.dark .glass {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(51, 65, 85, 0.5);
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.dark ::-webkit-scrollbar-thumb {
    background: #475569;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}