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

:root {
    --primary-color: #0a0a0a;
    --secondary-color: #0066cc;
    --accent-color: #0052a3;
    --light-blue: #3399ff;
    --text-light: #ffffff;
    --text-dark: #333333;
    --bg-overlay: rgba(0, 0, 0, 0.75);
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    background: #0a0a0a;
    background-image:
        linear-gradient(135deg, rgba(0, 0, 0, 0.85) 0%, rgba(10, 10, 10, 0.9) 50%, rgba(0, 0, 0, 0.85) 100%),
        url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?q=80&w=2000');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        repeating-linear-gradient(90deg,
            transparent,
            transparent 2px,
            rgba(0, 102, 204, 0.04) 2px,
            rgba(0, 102, 204, 0.04) 4px),
        repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(0, 102, 204, 0.04) 2px,
            rgba(0, 102, 204, 0.04) 4px);
    pointer-events: none;
    z-index: 1;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 102, 204, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(51, 153, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
    pointer-events: none;
    z-index: 2;
    animation: pulseGlow 8s ease-in-out infinite;
}

@keyframes pulseGlow {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }
}

/* Animated Particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--secondary-color);
    animation: floatParticle 20s infinite;
}

.particle:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
    animation-duration: 15s;
}

.particle:nth-child(2) {
    left: 20%;
    animation-delay: 2s;
    animation-duration: 18s;
}

.particle:nth-child(3) {
    left: 35%;
    animation-delay: 4s;
    animation-duration: 22s;
}

.particle:nth-child(4) {
    left: 50%;
    animation-delay: 1s;
    animation-duration: 20s;
}

.particle:nth-child(5) {
    left: 65%;
    animation-delay: 3s;
    animation-duration: 17s;
}

.particle:nth-child(6) {
    left: 75%;
    animation-delay: 5s;
    animation-duration: 19s;
}

.particle:nth-child(7) {
    left: 85%;
    animation-delay: 2.5s;
    animation-duration: 21s;
}

.particle:nth-child(8) {
    left: 90%;
    animation-delay: 4.5s;
    animation-duration: 16s;
}

@keyframes floatParticle {
    0% {
        transform: translateY(100vh) translateX(0) scale(0);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-100vh) translateX(100px) scale(1);
        opacity: 0;
    }
}

header {
    position: relative;
    z-index: 10;
    padding: 2rem 5%;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(10px);
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, transparent 100%);
}

.logo h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    margin-bottom: -0.3rem;
    filter: drop-shadow(0 0 20px rgba(0, 102, 204, 0.6)) drop-shadow(0 0 40px rgba(0, 102, 204, 0.4));
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {

    0%,
    100% {
        filter: drop-shadow(0 0 20px rgba(0, 102, 204, 0.6)) drop-shadow(0 0 40px rgba(0, 102, 204, 0.4));
    }

    50% {
        filter: drop-shadow(0 0 30px rgba(0, 102, 204, 0.9)) drop-shadow(0 0 60px rgba(51, 153, 255, 0.6));
    }
}

.logo .tagline {
    font-size: 0.9rem;
    letter-spacing: 0.5em;
    color: var(--light-blue);
    text-align: center;
    font-weight: 300;
    text-transform: uppercase;
    text-shadow: 0 0 10px rgba(0, 102, 204, 0.6);
}

.container {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 5%;
}

.content {
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.main-title {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.2;
    text-shadow:
        0 0 20px rgba(0, 102, 204, 0.7),
        0 0 40px rgba(0, 102, 204, 0.5),
        0 5px 15px rgba(0, 0, 0, 0.8);
    animation: titleFloat 4s ease-in-out infinite;
}

@keyframes titleFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.95);
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
    line-height: 1.8;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 5rem;
}

.feature {
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.08) 0%, rgba(0, 0, 0, 0.3) 100%);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    border: 2px solid rgba(0, 102, 204, 0.3);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(0, 102, 204, 0.15), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

.feature:hover::before {
    transform: rotate(45deg) translate(50%, 50%);
}

.feature:hover {
    transform: translateY(-10px) scale(1.03);
    border-color: var(--light-blue);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.2) 0%, rgba(0, 0, 0, 0.4) 100%);
    box-shadow: 0 15px 50px rgba(0, 102, 204, 0.5), 0 0 30px rgba(0, 102, 204, 0.3);
}

.feature .icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(0, 102, 204, 0.6));
    transition: all 0.3s ease;
}

.feature:hover .icon {
    transform: scale(1.2) rotateY(360deg);
}

.feature h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--light-blue), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

footer {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 3rem 5%;
    margin-top: 5rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.social-links a {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 102, 204, 0.15);
    border: 2px solid rgba(0, 102, 204, 0.4);
    color: var(--text-light);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.social-links a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: linear-gradient(135deg, var(--secondary-color), var(--light-blue));
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
}

.social-links a:hover::before {
    width: 100%;
    height: 100%;
}

.social-links a:hover {
    border-color: var(--light-blue);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.6);
    color: #fff;
}

.social-links a svg {
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.social-links a:hover svg {
    transform: rotateY(360deg);
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        background-position: center center;
        background-size: cover;
    }

    .logo h1 {
        font-size: 2.5rem;
        letter-spacing: 0.2em;
    }

    .main-title {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.05rem;
    }

    .features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature {
        padding: 2rem;
    }

    .particle {
        width: 2px;
        height: 2px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 1.5rem 5%;
    }

    .container {
        padding: 1rem 5%;
    }

    .logo h1 {
        font-size: 2rem;
        letter-spacing: 0.15em;
    }

    .logo .tagline {
        font-size: 0.75rem;
        letter-spacing: 0.3em;
    }

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

    .subtitle {
        font-size: 0.95rem;
    }

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

    .social-links a {
        width: 45px;
        height: 45px;
    }
}