/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #000011 0%, #001122 25%, #002244 50%, #001133 75%, #000011 100%);
    color: #ffffff;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* Particles.js container */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Main container */
.container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.content {
    text-align: center;
    max-width: 600px;
    width: 100%;
}

/* Logo/Brand */
.logo h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, #00FFFF, #0080FF, #8A2BE2, #00BFFF, #40E0D0);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 4s ease-in-out infinite;
    letter-spacing: -0.02em;
    text-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* Tagline */
.tagline {
    margin-bottom: 3rem;
}

.tagline p {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    font-weight: 300;
    color: #40E0D0;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
    text-shadow: 0 0 10px rgba(64, 224, 208, 0.3);
}

/* Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border: 2px solid rgba(0, 255, 255, 0.3);
    border-radius: 50%;
    color: #00FFFF;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    background: rgba(0, 255, 255, 0.05);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
}

.social-links a svg {
    width: 24px;
    height: 24px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    border-color: rgba(0, 191, 255, 0.8);
    background: rgba(0, 255, 255, 0.15);
    color: #0080FF;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 255, 255, 0.4), 0 0 20px rgba(0, 191, 255, 0.3);
}

.social-links a:active {
    transform: translateY(0);
}

/* Call to Action */
.cta {
    margin-top: 2rem;
}

.btn-primary {
    padding: 1rem 2.5rem;
    background: linear-gradient(45deg, rgba(0, 255, 255, 0.1), rgba(0, 128, 255, 0.1));
    border: 2px solid rgba(0, 255, 255, 0.4);
    border-radius: 50px;
    color: #00FFFF;
    font-size: 1.1rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.2);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover {
    border-color: rgba(0, 191, 255, 0.8);
    background: rgba(0, 255, 255, 0.2);
    color: #0080FF;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 255, 0.4), 0 0 30px rgba(138, 43, 226, 0.3);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .logo h1 {
        margin-bottom: 1rem;
    }
    
    .tagline {
        margin-bottom: 2rem;
    }
    
    .social-links {
        gap: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .social-links a {
        width: 50px;
        height: 50px;
    }
    
    .social-links a svg {
        width: 20px;
        height: 20px;
    }
    
    .btn-primary {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .tagline p {
        font-size: 1rem;
    }
    
    .social-links {
        gap: 1rem;
    }
    
    .social-links a {
        width: 45px;
        height: 45px;
    }
    
    .social-links a svg {
        width: 18px;
        height: 18px;
    }
}

/* Loading animation for smooth entry */
.content {
    animation: fadeInUp 1s ease-out;
}

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