/* Reset and Base Styles */
:root {
    --primary: #8b5cf6;
    --primary-foreground: #ffffff;
    --background: #0f172a;
    --foreground: #f8fafc;
    --card: #1e293b;
    --card-foreground: #f8fafc;
    --border: #334155;
    --muted: #334155;
    --muted-foreground: #94a3b8;
    --accent: #1e293b;
    --accent-foreground: #f8fafc;
    --radius: 0.75rem;
}

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

body {
    font-family: 'DM Sans', sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.2;
    color: var(--foreground);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Utility Classes */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-12 { gap: 3rem; }

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--muted-foreground); }
.font-bold { font-weight: 700; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-4xl { font-size: 2.25rem; }
.text-6xl { font-size: 3.75rem; }

.bg-card { background-color: var(--card); }
.bg-primary { background-color: var(--primary); }
.bg-muted { background-color: var(--muted); }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }

.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-full { border-radius: 9999px; }

.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }
.border { border: 1px solid var(--border); }

/* Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--foreground);
}

.btn-outline:hover {
    background-color: var(--muted);
}

.card {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.input {
    width: 100%;
    padding: 0.75rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--foreground);
    outline: none;
}

.input:focus {
    border-color: var(--primary);
}

/* Navbar */
.navbar {
    border-bottom: 1px solid var(--border);
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav-link {
    font-weight: 500;
    color: var(--muted-foreground);
}

.nav-link:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.15), transparent 70%);
    z-index: -1;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 100;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--card);
    padding: 2rem;
    border-radius: var(--radius);
    max-width: 500px;
    width: 90%;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    cursor: pointer;
    color: var(--muted-foreground);
}

/* Responsive */
@media (max-width: 768px) {
    .grid-cols-2, .grid-cols-3, .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .text-6xl { font-size: 2.5rem; }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
}