:root {
    --primary: #0052CC;
    --secondary: #7F5AF0;
    --accent: #FFB800;
    --dark: #0A0E27;
    --light: #F8FAFC;
}

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

body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--dark);
    color: var(--light);
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Playfair Display', serif;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animated gradient background */
.gradient-bg {
    background: linear-gradient(
        135deg,
        rgba(0, 82, 204, 0.1) 0%,
        rgba(127, 90, 240, 0.1) 100%
    );
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
}

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

/* Fade in animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 0.8s ease forwards;
}

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

.fade-in-delay-1 { animation-delay: 0.2s; }
.fade-in-delay-2 { animation-delay: 0.4s; }
.fade-in-delay-3 { animation-delay: 0.6s; }
.fade-in-delay-4 { animation-delay: 0.8s; }

/* Preloader Fade Out */
.preloader-hidden {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease-out;
}

/* Card hover effect */
.project-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 82, 204, 0.3);
}

/* Button glow effect */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: rotate(45deg);
    transition: 0.5s;
    opacity: 0;
}

.btn-primary:hover::after {
    opacity: 1;
    transform: rotate(45deg) translate(50%, 50%);
}

/* Typing animation cursor */
.typing-text::after {
    content: '|';
    animation: blink 1s step-start infinite;
    color: var(--primary);
}

@keyframes blink {
    50% { opacity: 0; }
}

/* Tech tag styling */
.tech-tag {
    background: rgba(127, 90, 240, 0.1);
    color: #A78BFA;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(127, 90, 240, 0.2);
}

/* Mockup styles */
.mockup-wrapper {
    perspective: 1000px;
}

.mockup-container {
    transform: rotateX(5deg) rotateY(-5deg) rotateZ(1deg);
    transition: transform 0.5s ease;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.mockup-wrapper:hover .mockup-container {
    transform: rotateX(0) rotateY(0) rotateZ(0);
}