/* Custom CSS Variables for Theme Management */
:root {
    --primary-500: #8b5cf6;
    --secondary-500: #14b8a6;
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
}

:root.light-mode {
    --bg-primary: #f9fafb;
    --bg-secondary: #ffffff;
    --text-primary: #111827;
    --text-secondary: #6b7280;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-500);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-500);
}

/* Keyframe Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

@keyframes glow {
    0% {
        filter: drop-shadow(0 0 10px var(--primary-500));
    }
    100% {
        filter: drop-shadow(0 0 20px var(--secondary-500));
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Animation Classes */
.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite alternate;
}

.animate-pulse-custom {
    animation: pulse 0.5s ease-in-out;
}

/* Glassmorphism Effect */
.glass {
    background: rgba(31, 41, 55, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.light-mode .glass {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(139, 92, 246, 0.1);
}

/* Gradient Overlay */
.gradient-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(20, 184, 166, 0.1) 100%);
}

/* Hover Effects */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
}

/* Custom Cursor */
.custom-cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-500);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease;
    mix-blend-mode: difference;
}

/* Section Animations */
.section-hidden {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Form Styles */
input, textarea {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus, textarea:focus {
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
    border: none;
    color: white;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.3);
}

/* Responsive Typography */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem !important;
    }
    h2 {
        font-size: 2rem !important;
    }
}

/* Light Mode Specific Styles */
.light-mode {
    background-color: #f9fafb;
    color: #111827;
}

.light-mode .bg-gray-800 {
    background-color: #ffffff !important;
}

.light-mode .bg-gray-900 {
    background-color: #f3f4f6 !important;
}

.light-mode .text-gray-400 {
    color: #4b5563 !important;
}

.light-mode .border-gray-700 {
    border-color: #e5e7eb !important;
}

/* Contact Form Success Message */
.success-message {
    background: linear-gradient(135deg, #10b981, #14b8a6);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    margin-top: 16px;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.success-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* Portfolio Grid Animation */
.portfolio-item-enter {
    opacity: 0;
    transform: scale(0.9) rotateY(10deg);
}

.portfolio-item-enter-active {
    opacity: 1;
    transform: scale(1) rotateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}