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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0f0f0f;
    color: #e0e0e0;
    overflow-x: hidden;
}

/* Navbar dengan Hover Effect */
nav {
    background: rgba(20, 20, 20, 0.98);
    padding: 1.2rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 2px solid rgba(100, 100, 255, 0.2);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 0;
    list-style: none;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: #b0b0b0;
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    display: block;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #6366f1, #a855f7);
    transition: all 0.4s ease;
    transform: translateX(-50%);
}

.nav-links a:hover {
    color: #ffffff;
    transform: translateY(-2px);
}

.nav-links a:hover::before {
    width: 80%;
}

.nav-links a::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.5s ease;
}

.nav-links a:hover::after {
    width: 200px;
    height: 200px;
}

/* Main Section dengan Interaktif */
.main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 50px;
    position: relative;
    overflow: hidden;
}

/* Animated Background Particles */
.particle {
    position: absolute;
    background: rgba(99, 102, 241, 0.3);
    border-radius: 50%;
    pointer-events: none;
}

.particle1 {
    width: 300px;
    height: 300px;
    top: -150px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.particle2 {
    width: 200px;
    height: 200px;
    bottom: -100px;
    left: -50px;
    animation: float 10s ease-in-out infinite reverse;
    background: rgba(168, 85, 247, 0.3);
}

.particle3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 10%;
    animation: float 12s ease-in-out infinite;
    background: rgba(236, 72, 153, 0.3);
}

@keyframes float {
    0%, 100% { 
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    50% { 
        transform: translate(50px, -50px) scale(1.1);
        opacity: 0.5;
    }
}

.hero-content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.greeting {
    font-size: 1.5rem;
    color: #a0a0a0;
    margin-bottom: 1rem;
    animation: fadeInDown 1s ease;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease 0.2s both;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 2rem;
    color: #b0b0b0;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-description {
    font-size: 1.2rem;
    color: #909090;
    margin-bottom: 3rem;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.6s both;
}

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

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

/* Interactive Buttons */
.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.8s both;
}

.btn {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    color: white;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
    background: transparent;
    color: #6366f1;
    border: 2px solid #6366f1;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.btn-secondary:hover {
    background: #6366f1;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

/* Interactive Mouse Follow Effect */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
    z-index: 0;
    mix-blend-mode: screen;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid #6366f1;
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    width: 6px;
    height: 6px;
    background: #6366f1;
    border-radius: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

@keyframes scrollWheel {
    0% { top: 10px; opacity: 1; }
    100% { top: 30px; opacity: 0; }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 20px;
    }

    .nav-links {
        gap: 0;
    }

    .nav-links a {
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
    }

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

    .hero-subtitle {
        font-size: 1.5rem;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}