* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', sans-serif;
}

body {
    background: #000000;
    color: #ffffff;
    overflow-x: hidden;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(20px, -20px) rotate(120deg); }
    66% { transform: translate(-20px, 10px) rotate(240deg); }
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

.particle {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: float 15s infinite linear;
}

.btn {
    padding: 16px 40px;
    font-size: 18px;
    color: #ffffff;
    background: transparent;
    border: 2px solid #ffffff;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.7s ease;
    z-index: -1;
}

.btn:hover {
    border-color: #ffffff;
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.4);
    transform: translateY(-5px);
}

.btn:hover::after {
    left: 100%;
}

.btn:active {
    transform: translateY(-2px) scale(0.98);
}

@media (max-width: 768px) {
    .btn {
        padding: 14px 32px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 12px 28px;
        font-size: 15px;
    }
}
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}