:root {
    /* Color Palette - Premium Tech Theme */
    --bg-primary: #0a0a0c;
    --bg-secondary: #121216;
    --accent-blue: #0070f3;
    --accent-glow: rgba(0, 112, 243, 0.3);
    --neon-mint: #00ffaa;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a8;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 20px;
    --container-max: 1200px;
}

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

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

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* Background Grid Animation */
.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--glass-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    mask-image: radial-gradient(circle at center, black, transparent 80%);
    opacity: 0.5;
}

.grid-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--accent-glow) 0%, transparent 50%);
    pointer-events: none;
}

/* Glassmorphism Components */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.5rem;
    color: var(--text-secondary);
    max-width: 800px;
}

/* Journey Timeline */
.timeline {
    position: relative;
    padding: var(--section-padding);
}

.timeline-item {
    margin-bottom: 50px;
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.timeline-year {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    min-width: 120px;
}

/* Project Showcase */
.project-showcase {
    padding: var(--section-padding);
}

.koli-card {
    background: linear-gradient(135deg, rgba(0, 112, 243, 0.1) 0%, rgba(0, 255, 170, 0.1) 100%);
    padding: 60px;
    border-radius: 24px;
    display: flex;
    gap: 40px;
    align-items: center;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1.1rem; }
    .koli-card { flex-direction: column; padding: 30px; }
    .timeline-item { flex-direction: column; gap: 10px; }
}