/* Variables */
:root {
    --bg-dark: #1E1E2E;
    --accent-cyan: #00D1FF;
    --text-light: #FFFFFF;
    --text-muted: #CCCCCC;
    --alert-color: #FF6B6B;
}

/* Base styles */
body {
    padding-top: 56px;
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: 'Inter', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'JetBrains Mono', monospace;
}

.navbar {
    background-color: var(--bg-dark) !important;
    border-bottom: 1px solid var(--accent-cyan);
}

.btn-primary {
    background-color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    font-family: 'JetBrains Mono', monospace;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: transparent;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px var(--accent-cyan);
}

.hero-section {
    background: linear-gradient(45deg, rgba(30, 30, 46, 0.95), rgba(0, 209, 255, 0.2)), url('https://images.unsplash.com/photo-1461749280684-dccba630e2f6?auto=format&fit=crop&q=80');
    background-size: cover;
    background-position: center;
    padding: 120px 0;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--accent-cyan);
}

.hero-section h1 {
    text-shadow: 0 0 10px var(--accent-cyan);
}

.hero-section .lead {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-light);
    text-shadow: 0 0 5px var(--accent-cyan);
    font-size: 1.5rem;
}

.card {
    transition: all 0.3s ease;
    border: 1px solid var(--accent-cyan);
    background-color: rgba(30, 30, 46, 0.5);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 209, 255, 0.1);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px var(--accent-cyan);
}

.card:hover .bi {
    text-shadow: 0 0 15px var(--accent-cyan);
    transform: scale(1.1);
    transition: all 0.3s ease;
}

.card-body {
    color: var(--text-light);
}

.text-primary {
    color: var(--accent-cyan) !important;
}

section {
    scroll-margin-top: 56px;
}

.bg-light {
    background-color: rgba(30, 30, 46, 0.5) !important;
}

.accordion-item {
    background-color: var(--bg-dark);
    border: 1px solid var(--accent-cyan);
}

.accordion-button {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: 'JetBrains Mono', monospace;
}

.accordion-button:not(.collapsed) {
    background-color: rgba(0, 209, 255, 0.1);
    color: var(--accent-cyan);
}

.accordion-button::after {
    filter: invert(1);
}

.accordion-body {
    color: var(--text-muted);
}

.bg-matrix {
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)),
                repeating-linear-gradient(0deg, 
                    var(--accent-cyan) 0%, 
                    var(--bg-dark) 5%, 
                    var(--bg-dark) 95%, 
                    var(--accent-cyan) 100%);
    background-size: 100% 100%, 100% 32px;
    animation: matrix 20s linear infinite;
}

.ascii-art {
    font-family: monospace;
    white-space: pre;
    font-size: 0.8rem;
    opacity: 0.8;
    animation: glow 2s ease-in-out infinite alternate;
}

.sponsor-cta {
    border: 2px solid var(--accent-cyan);
    background: rgba(0, 209, 255, 0.1);
    border-radius: 8px;
}

.modal-content {
    background-color: var(--bg-dark);
    border: 1px solid var(--accent-cyan);
}

.modal-header {
    border-bottom: 1px solid var(--accent-cyan);
}

.modal-header .btn-close {
    filter: invert(1) hue-rotate(180deg);
}

@keyframes matrix {
    0% { background-position: 0 0, 0 0; }
    100% { background-position: 0 0, 0 100%; }
}

@keyframes glow {
    from { text-shadow: 0 0 5px var(--accent-cyan); }
    to { text-shadow: 0 0 20px var(--accent-cyan); }
}

footer {
    background-color: var(--bg-dark) !important;
    border-top: 1px solid var(--accent-cyan);
}

footer a:hover {
    color: var(--accent-cyan) !important;
    text-shadow: 0 0 10px var(--accent-cyan);
}

.text-muted {
    color: var(--text-light) !important;
    opacity: 0.8;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-section {
        padding: 80px 0;
    }
}