:root {
    --bg: #0b0f1a;
    --card: #111827;
    --lime: #a3e635;
    --muted: #94a3b8;
    --text: #f8fafc;
    --border: rgba(51, 65, 85, 0.5);
    --glow: rgba(163, 230, 53, 0.15);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    background-image: radial-gradient(circle at top right, #1e293b, transparent 400px);
    min-height: 100vh;
}

/* Moving Grid Background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(51, 65, 85, 0.2) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(51, 65, 85, 0.2) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: move-grid 40s linear infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes move-grid {
    from { transform: translateY(0); }
    to { transform: translateY(50px); }
}

/* Glassmorphism Navigation */
nav.sticky-nav {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background-color: rgba(11, 15, 26, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 50;
    height: 64px;
    display: flex;
    align-items: center;
}

/* Cards */
.card {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.card:hover {
    border-color: var(--lime);
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 0 15px var(--glow);
}

/* Buttons */
.btn-lime {
    background-color: var(--lime);
    color: #0b0f1a;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 15px -3px rgba(163, 230, 53, 0.2);
}

.btn-lime:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 25px -5px rgba(163, 230, 53, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-outline:hover {
    border-color: var(--lime);
    color: var(--lime);
}

/* Typography */
h1, h2, h3 {
    letter-spacing: -0.025em;
}

.nav-link {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--muted);
    transition: color 0.2s;
    text-decoration: none;
}

.nav-link:hover, .nav-link.active {
    color: white;
}

/* Utility */
.text-lime { color: var(--lime); }
.bg-lime { background-color: var(--lime); }
