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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #0d0d0d, #1a1a1a);
    color: #e0e0e0;
    line-height: 1.6;
}

/* Header & Menu */
header {
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 2px 15px rgba(0,0,0,0.5);
    position: sticky;
    top: 0;
    z-index: 1000;
}

#top-menu {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 25px;
}

#top-menu a {
    color: #00f0ff;
    text-decoration: none;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 12px;
    transition: all 0.3s ease;
}

#top-menu a:hover {
    background: linear-gradient(90deg, #00f0ff, #ff00f0);
    color: #fff;
    box-shadow: 0 0 10px #00f0ff, 0 0 20px #ff00f0;
}

/* Hero Section */
.hero {
    padding: 80px 20px;
    text-align: center;
    background: linear-gradient(180deg, rgba(6,147,227,0.2), rgba(155,81,224,0.2));
    border-radius: 25px;
    margin: 20px auto;
    max-width: 1200px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00f0ff, #ff00f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
}

/* CTA Section */
.cta {
    background: rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 50px 20px;
    text-align: center;
    margin: 30px auto;
    max-width: 1000px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.6);
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.cta a {
    display: inline-block;
    margin-top: 15px;
    padding: 12px 28px;
    border-radius: 50px;
    background: linear-gradient(90deg, #00f0ff, #ff00f0);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 0 10px #00f0ff, 0 0 20px #ff00f0;
    transition: all 0.4s ease;
}

.cta a:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px #00f0ff, 0 0 40px #ff00f0;
}

/* Sections Cards */
section {
    padding: 50px 20px;
    max-width: 1000px;
    margin: 30px auto;
    border-radius: 25px;
    background: rgba(255,255,255,0.03);
    box-shadow: 0 8px 25px rgba(0,0,0,0.5);
}

/* Lists */
ul, ol {
    margin-left: 20px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #00f0ff;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    background: linear-gradient(90deg, #00f0ff, #ff00f0);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.4s ease;
    box-shadow: 0 0 10px #00f0ff, 0 0 20px #ff00f0;
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px #00f0ff, 0 0 40px #ff00f0;
}

/* Footer */
footer {
    text-align: center;
    padding: 25px 0;
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 -2px 15px rgba(0,0,0,0.5);
}

/* Responsive */
@media(max-width:768px){
    #top-menu {
        flex-direction: column;
        gap: 10px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .cta h2 {
        font-size: 1.5rem;
    }
}