/* Custom Properties / Variables */
:root {
    --primary: #6366f1;
    --secondary: #a855f7;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar Modern */
.navbar {
    height: 80px;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px); /* Efek Kaca */
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nav-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo span { color: var(--primary); }

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li { margin-left: 35px; }

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: 0.3s;
}

.nav-links a:hover { color: var(--primary); }

.btn-nav {
    background: var(--dark);
    color: white !important;
    padding: 10px 20px;
    border-radius: 50px;
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    background: radial-gradient(circle at top right, #eef2ff, #ffffff);
    text-align: center;
}

.badge {
    background: #e0e7ff;
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}

.hero h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 3.5rem;
    margin-top: 20px;
    line-height: 1.1;
    color: var(--dark);
}

.gradient-text {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    max-width: 600px;
    margin: 25px auto;
    font-size: 1.1rem;
    color: var(--gray);
}

.btn-main {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.2);
    transition: 0.3s;
}

.btn-outline {
    display: inline-block;
    border: 2px solid #e2e8f0;
    padding: 14px 32px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--dark);
    margin-left: 15px;
    font-weight: 600;
}

/* Grid Services */
.services { padding: 100px 0; }

.section-header { text-align: center; margin-bottom: 60px; }

.grid-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: white;
    padding: 40px;
    border-radius: 24px;
    border: 1px solid #f1f5f9;
    transition: 0.4s;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.card .icon { font-size: 2.5rem; margin-bottom: 20px; }

/* Responsive Mobile */
@media (max-width: 768px) {
    /* Tampilkan tombol hamburger */
    .menu-toggle {
        display: block;
        font-size: 1.8rem;
        cursor: pointer;
    }

    /* Sembunyikan menu secara default di mobile */
    .nav-links {
        display: none; 
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        padding: 20px 0;
        border-bottom: 1px solid #eee;
        text-align: center;
    }

    /* Class yang dipicu oleh JavaScript */
    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 15px 0;
    }
}

footer {
    text-align: center;
    padding: 50px 0;
    border-top: 1px solid #e2e8f0;
    color: var(--gray);
}