* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
}

body {
    background-image: url('https://files.catbox.moe/f03aqc.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: #ffffff;
    overflow-x: hidden;
    position: relative;
}

.light-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.9) 0%, rgba(0, 229, 255, 0) 70%);
    box-shadow: 0 0 15px #00e5ff, 0 0 30px #0072ff;
    animation: floatParticle linear infinite;
}

.p1 { width: 12px; height: 12px; left: 15%; top: 90%; animation-duration: 8s; animation-delay: 0s; }
.p2 { width: 18px; height: 18px; left: 35%; top: 85%; animation-duration: 12s; animation-delay: 2s; }
.p3 { width: 8px;  height: 8px;  left: 55%; top: 95%; animation-duration: 6s;  animation-delay: 1s; }
.p4 { width: 22px; height: 22px; left: 75%; top: 80%; animation-duration: 10s; animation-delay: 4s; }
.p5 { width: 10px; height: 10px; left: 88%; top: 90%; animation-duration: 7s;  animation-delay: 3s; }
.p6 { width: 15px; height: 15px; left: 45%; top: 92%; animation-duration: 9s;  animation-delay: 1.5s; }

.bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0, 20, 40, 0.4) 0%, rgba(0, 8, 20, 0.85) 100%);
    z-index: 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: rgba(0, 15, 30, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 229, 255, 0.15);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    transition: background 0.3s ease;
}

.logo {
    font-weight: 800;
    font-size: 26px;
    letter-spacing: 2.5px;
    text-shadow: 0 0 12px rgba(0, 229, 255, 0.6);
}

.logo span {
    color: #00e5ff;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: #00e5ff;
    box-shadow: 0 0 8px #00e5ff;
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: #00e5ff;
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.8);
}

.nav-links a:hover::after {
    width: 100%;
}

.hero {
    position: relative;
    z-index: 2;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.hero-content {
    max-width: 850px;
    animation: fadeInUp 1.2s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
}

.floating-title {
    font-size: 64px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 5px;
    color: #ffffff;
    text-shadow: 0 0 20px rgba(0, 229, 255, 0.5), 0 4px 10px rgba(0, 0, 0, 0.8);
    animation: float 4s ease-in-out infinite;
}

.subtitle {
    font-size: 20px;
    margin: 24px 0 45px 0;
    color: #e0f7fa;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.9);
    line-height: 1.6;
}

.cta-button {
    display: inline-block;
    padding: 16px 42px;
    background: linear-gradient(135deg, #00f2fe 0%, #0072ff 100%);
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    box-shadow: 0 6px 20px rgba(0, 198, 255, 0.4);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 198, 255, 0.7), 0 0 20px rgba(0, 229, 255, 0.6);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:active {
    transform: translateY(-1px);
}

.scroll-indicator {
    position: absolute;
    bottom: 35px;
    z-index: 2;
    cursor: pointer;
    text-decoration: none;
}

.mouse {
    width: 28px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.scroll-indicator:hover .mouse {
    border-color: #00e5ff;
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.6);
}

.wheel {
    width: 4px;
    height: 10px;
    background-color: #00e5ff;
    border-radius: 2px;
    box-shadow: 0 0 6px #00e5ff;
    animation: scrollWheel 1.6s ease-out infinite;
}

.features-section {
    position: relative;
    z-index: 2;
    padding: 120px 50px;
    background: rgba(0, 10, 22, 0.88);
    text-align: center;
    border-top: 1px solid rgba(0, 229, 255, 0.1);
}

.section-title {
    font-size: 38px;
    margin-bottom: 60px;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 15px rgba(0, 198, 255, 0.4);
}

.card-container {
    display: flex;
    justify-content: center;
    gap: 35px;
    flex-wrap: wrap;
}

.card {
    position: relative;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(0, 229, 255, 0.15);
    border-radius: 18px;
    padding: 45px 32px;
    width: 320px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), border-color 0.4s ease, box-shadow 0.4s ease;
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.15) 0%, transparent 60%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(0, 229, 255, 0.6);
    box-shadow: 0 15px 35px rgba(0, 229, 255, 0.25), 0 0 15px rgba(0, 114, 255, 0.2);
}

.card:hover .card-glow {
    opacity: 1;
}

.card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #00e5ff;
    text-shadow: 0 0 8px rgba(0, 229, 255, 0.3);
}

.card p {
    font-size: 15px;
    color: #b0bec5;
    line-height: 1.6;
    margin-bottom: 30px;
}

.card .price {
    font-size: 26px;
    font-weight: 800;
    color: #ffffff;
    display: block;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-14px);
    }
}

@keyframes floatParticle {
    0% {
        transform: translateY(0) scale(0.8);
        opacity: 0;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(-100vh) scale(1.2);
        opacity: 0;
    }
}

@keyframes scrollWheel {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(14px);
        opacity: 0;
    }
}

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