:root {
    --color-bg: #000000;
    --color-text: #ffffff;
    --color-accent: #8B5CF6;
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --spacing-unit: 1rem;
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Account for fixed nav */
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    --underline-width: 0%;
    --underline-opacity: 0.3;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: var(--underline-width);
    height: 2px;
    background: var(--color-accent);
    opacity: var(--underline-opacity);
    transition: width 0.1s ease-out, opacity 0.1s ease-out;
}

.nav-link:hover::after {
    width: 100%;
    opacity: 1;
}

/* Custom Cursor */
.cursor {
    width: 20px;
    height: 20px;
    background: var(--color-accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    mix-blend-mode: difference;
    z-index: 9999;
    transition: transform 0.2s ease;
}

/* Sections */
.section {
    padding: 100px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
    --underline-width: 60px;
    --underline-opacity: 1;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: var(--underline-width);
    height: 3px;
    background: var(--color-accent);
    opacity: var(--underline-opacity);
    transition: width 0.1s ease-out, opacity 0.1s ease-out;
}

/* Hero Section */
.fullscreen {
    height: 100vh;
    width: 100vw;
    position: relative;
    overflow: hidden;
}

#voxel-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
    top: 50%;
    transform: translateY(-50%);
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 2rem;
    font-weight: 700;
}

.hero-content h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 1rem;
    color: var(--color-accent);
    margin-top: 1.5rem;
}

.hero-content p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: center;
}

.image-container {
    width: 100%;
    aspect-ratio: 1;
    background: var(--color-accent);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

/* Interactive Grid */
.interactive-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2x2 grid layout */
    gap: 20px;
    margin-top: 40px;
    max-width: 1200px; /* Increased to accommodate 2 columns */
    margin-left: auto;
    margin-right: auto;
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 30px 40px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 150px;
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-accent);
}

.project-card p {
    flex-grow: 1;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.project-link {
    color: var(--color-text);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-accent);
    border-radius: 5px;
    transition: var(--transition-smooth);
    display: inline-block;
    align-self: flex-start;
}

.project-link:hover {
    background: var(--color-accent);
    color: var(--color-bg);
    transform: translateY(-2px);
}

/* Contact Section */
.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.social-icon {
    color: var(--color-text);
    font-size: 1.5rem;
    transition: var(--transition-smooth);
}

.social-icon:hover {
    color: var(--color-accent);
    transform: translateY(-3px);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--color-text);
    color: var(--color-text);
    font-family: var(--font-primary);
    transition: var(--transition-smooth);
}

.form-group label {
    position: absolute;
    left: 0;
    top: 10px;
    transition: var(--transition-smooth);
    pointer-events: none;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -20px;
    font-size: 0.8em;
    color: var(--color-accent);
}

.submit-btn {
    background: var(--color-accent);
    color: var(--color-text);
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(139, 92, 246, 0.4);
}

/* Animations */
@keyframes glitchResolve {
    0% {
        text-shadow: 0.05em 0 0 var(--color-accent),
                     -0.05em -0.025em 0 var(--color-text);
    }
    14% {
        text-shadow: 0.05em 0 0 var(--color-accent),
                     -0.05em -0.025em 0 var(--color-text);
    }
    15% {
        text-shadow: -0.05em -0.025em 0 var(--color-accent),
                     0.025em 0.025em 0 var(--color-text);
    }
    49% {
        text-shadow: -0.05em -0.025em 0 var(--color-accent),
                     0.025em 0.025em 0 var(--color-text);
    }
    50% {
        text-shadow: 0.025em 0.05em 0 var(--color-accent),
                     0.05em 0 0 var(--color-text);
    }
    99% {
        text-shadow: 0.025em 0.05em 0 var(--color-accent),
                     0.05em 0 0 var(--color-text);
    }
    100% {
        text-shadow: -0.025em 0 0 var(--color-accent),
                     -0.025em -0.025em 0 var(--color-text);
    }
}

.glitch-text {
    animation: glitchResolve 2s ease-out;
}

@keyframes typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

.typewriter {
    overflow: hidden;
    white-space: nowrap;
    animation: typewriter 2s steps(40) forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 1s ease-out forwards;
    animation-delay: 1s;
    opacity: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero-content {
        padding: 0 20px;
    }

    .nav-content {
        gap: 1rem;
    }

    .interactive-grid {
        grid-template-columns: 1fr; /* Single column on mobile */
        gap: 15px;
        max-width: 800px; /* Reset to original max-width for mobile */
    }
    
    .project-card {
        padding: 20px 25px;
        min-height: 130px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}