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

:root {
    --primary-dark: #0a0e27;
    --secondary-dark: #1a1f3a;
    --neon-cyan: #00d9ff;
    --neon-purple: #d946ef;
    --electric-blue: #3b82f6;
    --soft-glow: rgba(0, 217, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --border-color: rgba(0, 217, 255, 0.2);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary-dark) 0%, #0f1535 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-cyan);
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.cta-button {
    padding: 14px 40px;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid var(--neon-cyan);
    background: transparent;
    color: var(--neon-cyan);
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.cta-button:hover {
    background: var(--neon-cyan);
    color: var(--primary-dark);
    box-shadow: 0 0 20px var(--neon-cyan);
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
    height: 400px;
}

.grid-background {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 217, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 217, 255, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
    border-radius: 12px;
    animation: gridShift 20s linear infinite;
}

.floating-cube {
    position: absolute;
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    border-radius: 20px;
    opacity: 0.8;
    filter: blur(40px);
    animation: float 6s ease-in-out infinite;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent, var(--soft-glow));
}

.features h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.5), rgba(217, 70, 239, 0.05));
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--neon-cyan);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* System Status Section */
.system-status {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--soft-glow), transparent);
}

.system-status h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    background: linear-gradient(90deg, var(--neon-purple), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.status-card {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.6), rgba(59, 130, 246, 0.05));
    border: 1px solid var(--border-color);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.status-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.status-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--neon-cyan);
    margin-bottom: 1rem;
    font-family: 'Courier New', monospace;
}

.status-bar {
    width: 100%;
    height: 6px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.status-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-cyan), var(--electric-blue));
    border-radius: 3px;
    animation: pulse 2s ease-in-out infinite;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--neon-cyan);
    animation: blink 1.5s ease-in-out infinite;
}

.status-indicator.active {
    box-shadow: 0 0 10px var(--neon-cyan);
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-section > .container > p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.signup-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto 2rem;
}

.signup-form input,
.signup-form select {
    padding: 12px 16px;
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.signup-form input:focus,
.signup-form select:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.2);
}

.signup-form input::placeholder {
    color: var(--text-secondary);
}

.submit-button {
    padding: 12px 24px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--electric-blue));
    border: none;
    color: var(--primary-dark);
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

.form-note {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    background: rgba(10, 14, 39, 0.5);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--neon-cyan);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translate(-50%, -50%) translateY(0px);
    }
    50% {
        transform: translate(-50%, -50%) translateY(-30px);
    }
}

@keyframes gridShift {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 40px 40px;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        padding: 50px 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-visual {
        height: 300px;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.85rem;
    }

    .features h2,
    .system-status h2,
    .cta-section h2 {
        font-size: 1.8rem;
    }

    .footer .container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .signup-form {
        max-width: 100%;
    }
}