@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
    --primary-color: #8A2BE2; /* Violet cerah seperti referensi */
    --secondary-color: #4B0082; /* Indigo lebih gelap */
    --background-color: #121212; /* Hitam pekat modern */
    --surface-color: #1E1E1E; /* Sedikit lebih terang dari background */
    --text-color: #E0E0E0;
    --text-color-dark: #a0a0a0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Header & Navigasi */
header {
    background-color: rgba(18, 18, 18, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--surface-color);
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    z-index: 100;
    top: 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
    letter-spacing: 1px;
}

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

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px;
    transition: all 0.3s ease;
}

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
    background: linear-gradient(rgba(18, 18, 18, 0.7), var(--background-color)), url('https://images.unsplash.com/photo-1555066931-4365d14bab8c?q=80&w=2070&auto=format&fit=crop') no-repeat center center/cover;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    background: -webkit-linear-gradient(45deg, var(--primary-color), #DA70D6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem auto;
    color: var(--text-color-dark);
}

.hero-buttons .cta-button {
    background-color: var(--primary-color);
    color: #fff;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: inline-block;
}

.hero-buttons .cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(138, 43, 226, 0.4);
}

.hero-buttons .secondary-button {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    margin-left: 1rem;
    border: 2px solid var(--primary-color);
    padding: 13px 30px;
    border-radius: 50px;
    transition: background-color 0.3s, color 0.3s;
}

.hero-buttons .secondary-button:hover {
    background-color: var(--primary-color);
    color: #fff;
}


/* Sections */
section {
    padding: 6rem 5%;
    text-align: center;
}

section:nth-child(odd) {
    background-color: var(--surface-color);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

/* Layanan */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--background-color);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    border: 1px solid var(--surface-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.5);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Kenapa Pilih Kami */
.features-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.feature-item {
    background: var(--background-color);
    padding: 1rem 2rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.feature-item:hover {
    background-color: var(--primary-color);
}

.feature-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.feature-item:hover i {
    color: #fff;
}

/* Kontak */
.contact-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.contact-button {
    background-color: var(--surface-color);
    color: var(--text-color);
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.3s;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.contact-button:hover {
    background-color: var(--primary-color);
    transform: scale(1.05);
}

/* Footer */
footer {
    background-color: #000;
    text-align: center;
    padding: 2rem 5%;
    font-size: 0.9rem;
    color: var(--text-color-dark);
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Animasi saat scroll */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================= */
/* ===== RESPONSIVE UNTUK TAMPILAN MOBILE ===== */
/* ========================================= */
@media screen and (max-width: 768px) {
    /* Sembunyikan menu link, tampilkan burger */
    .nav-links {
        position: absolute;
        right: 0px;
        height: 92vh;
        top: 8vh;
        background-color: var(--background-color);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        padding-top: 3rem;
    }

    .nav-links li {
        opacity: 0;
        margin-left: 0;
        margin: 1.5rem 0;
    }

    .burger {
        display: block; /* Tampilkan ikon burger */
    }

    /* Kelas aktif untuk menampilkan menu mobile */
    .nav-active {
        transform: translateX(0%);
    }

    /* Animasi untuk link menu mobile */
    @keyframes navLinkFade {
        from {
            opacity: 0;
            transform: translateX(50px);
        }
        to {
            opacity: 1;
            transform: translateX(0px);
        }
    }

    /* Animasi untuk ikon burger (menjadi X) */
    .toggle .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    .toggle .line2 {
        opacity: 0;
    }
    .toggle .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    /* Sesuaikan ukuran font dan layout di bagian Hero */
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    /* Buat tombol menjadi vertikal */
    .hero-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .hero-buttons .secondary-button {
        margin-left: 0;
    }

    /* Kurangi padding di setiap section */
    section {
        padding: 4rem 5%;
    }

    .section-title {
        font-size: 2rem;
    }
}