:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #10b981;
    --dark: #1e293b;
    --light: #f8fafc;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

body {
    background-color: #0f172a;
    color: var(--light);
    overflow-x: hidden;
    transition: background-color 0.3s ease;
}

body.light-mode {
    background-color: #f8fafc;
    color: #1e293b;
}

body.light-mode .hero-gradient {
    background: radial-gradient(circle at 10% 20%, rgba(79, 70, 229, 0.1) 0%, rgba(248, 250, 252, 0) 40%),
                radial-gradient(circle at 90% 70%, rgba(16, 185, 129, 0.1) 0%, rgba(248, 250, 252, 0) 50%);
}

body.light-mode .dashboard-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(30, 41, 59, 0.1);
}

body.light-mode .stats-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(16, 185, 129, 0.05));
}

.hero-gradient {
    background: radial-gradient(circle at 10% 20%, rgba(79, 70, 229, 0.3) 0%, rgba(15, 23, 42, 0) 40%),
                radial-gradient(circle at 90% 70%, rgba(16, 185, 129, 0.25) 0%, rgba(15, 23, 42, 0) 50%);
}

.dashboard-card {
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.2);
}

.milestone-line {
    position: relative;
}

.milestone-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: 24px;
    height: 100%;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
}

.stats-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(16, 185, 129, 0.1));
}

.tech-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: -1;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    pointer-events: none;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

.delay-1 {
    animation-delay: 1s;
}

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

.delay-3 {
    animation-delay: 3s;
}

.tech-highlight {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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