:root {
    --cyber-dark: #0a0a0a;
    --cyber-darker: #050505;
    --cyber-blue: #00ffff;
    --cyber-green: #00ff41;
    --cyber-purple: #8a2be2;
    --cyber-pink: #ff00ff;
    --cyber-bg-gradient: linear-gradient(135deg, #0a0a0a 0%, #1a0a1a 50%, #0a1a1a 100%);
    --cyber-card-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --cyber-accent-gradient: linear-gradient(45deg, var(--cyber-blue), var(--cyber-green), var(--cyber-purple));
    --cyber-glow: 0 0 20px rgba(0, 255, 255, 0.3);
    --cyber-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

body {
    background: var(--cyber-bg-gradient);
    background-attachment: fixed;
    color: var(--cyber-blue);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 255, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(138, 43, 226, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 255, 65, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.navbar {
    background: rgba(26, 26, 46, 0.9) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--cyber-blue);
    box-shadow: var(--cyber-shadow);
}

.navbar-brand {
    color: var(--cyber-green) !important;
    font-weight: bold;
    text-shadow: var(--cyber-glow);
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    color: var(--cyber-blue) !important;
    font-weight: bold;
    text-decoration: underline;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--cyber-green) !important;
    text-shadow: 0 0 10px var(--cyber-green);
    text-decoration: underline;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--cyber-accent-gradient);
    transition: width 0.3s ease;
}

.navbar-nav .nav-link:hover::after {
    width: 100%;
}

.card {
    background: var(--cyber-card-gradient) !important;
    border: 1px solid rgba(0, 255, 255, 0.2) !important;
    box-shadow: var(--cyber-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--cyber-shadow), var(--cyber-glow), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-color: var(--cyber-blue) !important;
}

.card-header {
    background: rgba(0, 255, 255, 0.1) !important;
    border-bottom: 1px solid var(--cyber-blue) !important;
    color: var(--cyber-green);
    font-weight: bold;
}

.card-title {
    color: var(--cyber-green);
}

.card-text {
    color: rgba(0, 255, 255, 0.9);
}

.btn-primary {
    background: var(--cyber-accent-gradient) !important;
    border: none !important;
    color: var(--cyber-dark) !important;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 255, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 255, 0.4);
    filter: brightness(1.1);
}

.btn-outline-info {
    border-color: var(--cyber-blue) !important;
    color: var(--cyber-blue) !important;
    background: transparent !important;
}

.btn-outline-info:hover {
    background: var(--cyber-blue) !important;
    color: var(--cyber-dark) !important;
    box-shadow: var(--cyber-glow);
}

.hero-section {
    padding: 100px 0;
    text-align: center;
    position: relative;
}

.hero-title {
    font-size: 4rem;
    font-weight: bold;
    background: var(--cyber-accent-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
    margin-bottom: 20px;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        filter: drop-shadow(0 0 10px rgba(0, 255, 255, 0.5));
    }
    to {
        filter: drop-shadow(0 0 20px rgba(0, 255, 255, 0.8));
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--cyber-blue);
    margin-bottom: 40px;
    opacity: 0.9;
}

.cyber-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
    animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.section-title {
    color: var(--cyber-green);
    margin-bottom: 30px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--cyber-accent-gradient);
}

.info-card {
    margin-bottom: 30px;
}

.tech-requirements-card {
    background: linear-gradient(135deg, #2e1a2e 0%, #3e2a3e 50%, #4e3a4e 100%) !important;
    border: 1px solid rgba(255, 0, 255, 0.3) !important;
}

.tech-requirements-card .card-header {
    background: rgba(255, 0, 255, 0.15) !important;
    border-bottom: 1px solid var(--cyber-pink) !important;
    color: var(--cyber-pink);
}

.tech-requirements-card .card-title {
    color: var(--cyber-pink);
}

.tech-requirements-card .card-body {
    color: #ff99ff;
}

.tech-requirements-card .card-body strong {
    color: var(--cyber-pink);
}

.tech-requirements-card:hover {
    border-color: var(--cyber-pink) !important;
    box-shadow: var(--cyber-shadow), 0 0 20px rgba(255, 0, 255, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.best-practices-card {
    background: linear-gradient(135deg, #1a2e1a 0%, #2a3e2a 50%, #3a4e3a 100%) !important;
    border: 1px solid rgba(0, 255, 65, 0.3) !important;
}

.best-practices-card .card-header {
    background: rgba(0, 255, 65, 0.15) !important;
    border-bottom: 1px solid var(--cyber-green) !important;
    color: var(--cyber-green);
}

.best-practices-card .card-title {
    color: var(--cyber-green);
}

.best-practices-card .card-body {
    color: rgba(0, 255, 65, 0.9);
}

.best-practices-card .card-body strong {
    color: var(--cyber-green);
}

.best-practices-card:hover {
    border-color: var(--cyber-green) !important;
    box-shadow: var(--cyber-shadow), 0 0 20px rgba(0, 255, 65, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.software-options-card {
    background: linear-gradient(135deg, #2e2e1a 0%, #3e3e2a 50%, #4e4e3a 100%) !important;
    border: 1px solid rgba(255, 165, 0, 0.4) !important;
}

.software-options-card .card-header {
    background: rgba(255, 165, 0, 0.15) !important;
    border-bottom: 1px solid #ffa500 !important;
    color: #ffa500;
}

.software-options-card .card-title {
    color: #ffa500;
}

.software-options-card .card-body {
    color: #ffcc66;
}

.software-options-card .card-text {
    color: #ffdd88 !important;
}

.software-options-card .card-text small {
    color: #ffcc66 !important;
}

.software-options-card:hover {
    border-color: #ffa500 !important;
    box-shadow: var(--cyber-shadow), 0 0 20px rgba(255, 165, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.what-you-need-card {
    background: linear-gradient(135deg, #1a1a2e 0%, #2a2a3e 50%, #3a3a4e 100%) !important;
    border: 1px solid rgba(138, 43, 226, 0.4) !important;
}

.what-you-need-card .card-header {
    background: rgba(138, 43, 226, 0.15) !important;
    border-bottom: 1px solid #8a2be2 !important;
    color: #8a2be2;
}

.what-you-need-card .card-title {
    color: #8a2be2;
}

.what-you-need-card .card-body {
    color: #b266e6;
}

.what-you-need-card .card-body strong {
    color: #8a2be2;
}

.what-you-need-card .card-text small {
    color: #a352d9 !important;
}

.what-you-need-card:hover {
    border-color: #8a2be2 !important;
    box-shadow: var(--cyber-shadow), 0 0 20px rgba(138, 43, 226, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.connecting-bbs-card {
    background: linear-gradient(135deg, #2e1a1a 0%, #3e2a2a 50%, #4e3a3a 100%) !important;
    border: 1px solid rgba(220, 20, 60, 0.4) !important;
}

.connecting-bbs-card .card-header {
    background: rgba(220, 20, 60, 0.15) !important;
    border-bottom: 1px solid #dc143c !important;
    color: #dc143c;
}

.connecting-bbs-card .card-title {
    color: #dc143c;
}

.connecting-bbs-card .card-body {
    color: #ff6688;
}

.connecting-bbs-card .card-body strong {
    color: #dc143c;
}

.connecting-bbs-card:hover {
    border-color: #dc143c !important;
    box-shadow: var(--cyber-shadow), 0 0 20px rgba(220, 20, 60, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.bbs-etiquette-card {
    background: linear-gradient(135deg, #1a2e2e 0%, #2a3e3e 50%, #3a4e4e 100%) !important;
    border: 1px solid rgba(32, 178, 170, 0.4) !important;
}

.bbs-etiquette-card .card-header {
    background: rgba(32, 178, 170, 0.15) !important;
    border-bottom: 1px solid #20b2aa !important;
    color: #20b2aa;
}

.bbs-etiquette-card .card-title {
    color: #20b2aa;
}

.bbs-etiquette-card .card-body {
    color: rgba(32, 178, 170, 0.9);
}

.bbs-etiquette-card .card-body strong {
    color: #20b2aa;
}

.bbs-etiquette-card:hover {
    border-color: #20b2aa !important;
    box-shadow: var(--cyber-shadow), 0 0 20px rgba(32, 178, 170, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.tips-new-users-card {
    background: linear-gradient(135deg, #2e2e1a 0%, #3e3e2a 50%, #4e4e3a 100%) !important;
    border: 1px solid rgba(255, 215, 0, 0.4) !important;
}

.tips-new-users-card .card-header {
    background: rgba(255, 215, 0, 0.15) !important;
    border-bottom: 1px solid #ffd700 !important;
    color: #ffd700;
}

.tips-new-users-card .card-title {
    color: #ffd700;
}

.tips-new-users-card .card-body {
    color: #ffdd66;
}

.tips-new-users-card .card-body strong {
    color: #ffd700;
}

.tips-new-users-card:hover {
    border-color: #ffd700 !important;
    box-shadow: var(--cyber-shadow), 0 0 20px rgba(255, 215, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.message-areas-card {
    background: linear-gradient(135deg, #1a2e1a 0%, #2a4a2a 50%, #3a5a3a 100%) !important;
    border: 1px solid rgba(0, 255, 127, 0.4) !important;
}

.message-areas-card .card-header {
    background: rgba(0, 255, 127, 0.15) !important;
    border-bottom: 1px solid #00ff7f !important;
    color: #00ff7f;
}

.message-areas-card .card-title {
    color: #00ff7f;
}

.message-areas-card .card-body {
    color: rgba(0, 255, 127, 0.9);
}

.message-areas-card .card-text {
    color: rgba(0, 255, 127, 0.85) !important;
}

.message-areas-card:hover {
    border-color: #00ff7f !important;
    box-shadow: var(--cyber-shadow), 0 0 20px rgba(0, 255, 127, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.file-areas-card {
    background: linear-gradient(135deg, #2e1a2e 0%, #4a2a4a 50%, #5a3a5a 100%) !important;
    border: 1px solid rgba(186, 85, 211, 0.4) !important;
}

.file-areas-card .card-header {
    background: rgba(186, 85, 211, 0.15) !important;
    border-bottom: 1px solid #ba55d3 !important;
    color: #ba55d3;
}

.file-areas-card .card-title {
    color: #ba55d3;
}

.file-areas-card .card-body {
    color: #d388e6;
}

.file-areas-card .card-text {
    color: #cc77dd !important;
}

.file-areas-card:hover {
    border-color: #ba55d3 !important;
    box-shadow: var(--cyber-shadow), 0 0 20px rgba(186, 85, 211, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.realtime-chat-card {
    background: linear-gradient(135deg, #1a1a2e 0%, #2a2a4a 50%, #3a3a5a 100%) !important;
    border: 1px solid rgba(30, 144, 255, 0.4) !important;
}

.realtime-chat-card .card-header {
    background: rgba(30, 144, 255, 0.15) !important;
    border-bottom: 1px solid #1e90ff !important;
    color: #1e90ff;
}

.realtime-chat-card .card-title {
    color: #1e90ff;
}

.realtime-chat-card .card-body {
    color: rgba(30, 144, 255, 0.9);
}

.realtime-chat-card .card-text {
    color: rgba(30, 144, 255, 0.85) !important;
}

.realtime-chat-card:hover {
    border-color: #1e90ff !important;
    box-shadow: var(--cyber-shadow), 0 0 20px rgba(30, 144, 255, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.popular-software-card {
    background: linear-gradient(135deg, #2e2e2e 0%, #3a3a3a 50%, #4a4a4a 100%) !important;
    border: 1px solid rgba(192, 192, 192, 0.4) !important;
}

.popular-software-card .card-header {
    background: rgba(192, 192, 192, 0.15) !important;
    border-bottom: 1px solid #c0c0c0 !important;
    color: #c0c0c0;
}

.popular-software-card .card-title {
    color: #c0c0c0;
}

.popular-software-card .card-body {
    color: rgba(192, 192, 192, 0.9);
}

.popular-software-card .card-body h6 {
    color: #c0c0c0 !important;
}

.popular-software-card:hover {
    border-color: #c0c0c0 !important;
    box-shadow: var(--cyber-shadow), 0 0 20px rgba(192, 192, 192, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.cyber-link {
    color: var(--cyber-blue);
    text-decoration: underline;
    font-weight: bold;
    transition: all 0.3s ease;
}

.cyber-link:hover {
    color: var(--cyber-green);
    text-shadow: 0 0 5px var(--cyber-green);
    text-decoration: underline;
}

.card .cyber-link {
    font-weight: bold;
    text-decoration: underline;
}

.card .cyber-link:hover {
    text-decoration: underline;
}

.footer {
    background: rgba(10, 10, 10, 0.95);
    border-top: 1px solid var(--cyber-blue);
    margin-top: 80px;
    padding: 40px 0;
}

.glitch {
    position: relative;
    display: inline-block;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    animation: glitch-1 0.5s infinite;
    color: var(--cyber-pink);
    z-index: -1;
}

.glitch::after {
    animation: glitch-2 0.5s infinite;
    color: var(--cyber-blue);
    z-index: -2;
}

@keyframes glitch-1 {
    0%, 14%, 15%, 49%, 50%, 99%, 100% { transform: translate(0); }
    15%, 49% { transform: translate(-2px, 2px); }
}

@keyframes glitch-2 {
    0%, 20%, 21%, 62%, 63%, 99%, 100% { transform: translate(0); }
    21%, 62% { transform: translate(2px, -2px); }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 255, 255, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(0, 255, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 255, 255, 0); }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
}