/*
=================================================
  PANEL KONTROL TEMA (Edit bagian di bawah ini)
=================================================
*/
:root {
    /* Ganti kode warna ini (misal: #FF0000 untuk merah) */
    --warna-utama: #0056b3;        /* Warna primer (tombol, link, aksen) */
    --warna-sekunder: #f4f7fc;   /* Warna latar belakang (opsional) */
    
    /* Ganti warna teks */
    --warna-teks-gelap: #333333; /* Untuk judul */
    --warna-teks-terang: #666666;/* Untuk paragraf */
    --warna-teks-putih: #ffffff; /* Untuk teks di atas tombol */

    /* Ganti Font (bisa ambil dari Google Fonts) */
    /* Cukup ganti 'Roboto' dengan nama font lain, misal: 'Poppins' atau 'Montserrat' */
    --font-utama: 'Roboto', sans-serif;
}
/* =============================================== */
/* Akhir dari Panel Kontrol - Jangan edit di bawah jika tidak ahli */
/* =============================================== */


/* --- Import Font (Opsional) --- */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-utama);
    font-size: 16px;
    line-height: 1.7;
    color: var(--warna-teks-terang);
    background-color: #ffffff;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

img {
    max-width: 100%;
    height: auto;
}

section {
    padding: 60px 0;
}

.section-title {
    font-size: 2.2rem;
    color: var(--warna-teks-gelap);
    text-align: center;
    margin-bottom: 40px;
}

/* --- Tombol (CTA) --- */
.cta-button {
    display: inline-block;
    text-decoration: none;
    font-weight: bold;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.cta-button.primary {
    background-color: var(--warna-utama);
    color: var(--warna-teks-putih);
    padding: 12px 28px;
}
.cta-button.primary:hover {
    opacity: 0.85;
    transform: translateY(-2px);
}
.cta-button.large {
    font-size: 1.1rem;
    padding: 15px 35px;
}

/* --- Header & Navigasi --- */
.header {
    background-color: #ffffff;
    border-bottom: 1px solid #eee;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: bold;
    color: var(--warna-teks-gelap);
    text-decoration: none;
}

.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-link {
    text-decoration: none;
    color: var(--warna-teks-terang);
    font-weight: bold;
    transition: color 0.3s;
}
.nav-link:hover {
    color: var(--warna-utama);
}

.cta-button-nav {
    background: var(--warna-utama);
    color: var(--warna-teks-putih) !important;
    padding: 8px 16px;
    border-radius: 8px;
}
.cta-button-nav:hover {
    color: var(--warna-teks-putih) !important;
    opacity: 0.85;
}

.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    flex-direction: column;
    gap: 5px;
}
.hamburger .bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--warna-teks-gelap);
    transition: all 0.3s ease-in-out;
}

/* --- Hero Section --- */
.hero {
    padding: 60px 0;
    text-align: center;
}
.hero-content {
    max-width: 750px;
}
.hero h1 {
    font-size: 2.8rem;
    color: var(--warna-teks-gelap);
    margin-bottom: 15px;
    line-height: 1.2;
}
.hero .subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
}
.hero-image {
    margin-top: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* --- Fitur Section --- */
.features {
    background-color: var(--warna-sekunder);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}
.feature-item {
    background: #ffffff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}
.feature-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}
.feature-item h3 {
    font-size: 1.3rem;
    color: var(--warna-teks-gelap);
    margin-bottom: 10px;
}

/* --- Tentang Section --- */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}
.about-content p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

/* --- CTA Section --- */
.cta {
    background-color: var(--warna-utama);
    color: var(--warna-teks-putih);
    text-align: center;
}
.cta h2 {
    font-size: 2.2rem;
    color: var(--warna-teks-putih);
    margin-bottom: 15px;
}
.cta p {
    font-size: 1.15rem;
    margin-bottom: 30px;
    opacity: 0.9;
}
.cta .cta-button.primary {
    background-color: var(--warna-teks-putih);
    color: var(--warna-utama);
}
.cta .cta-button.primary:hover {
    background-color: #f0f0f0;
}

/* --- Footer --- */
.footer {
    background-color: var(--warna-teks-gelap);
    color: #f0f0f0;
    text-align: center;
    padding: 30px 0;
}

/* --- Media Query (Mobile Responsif) --- */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 81px; /* Tinggi header */
        left: -100%;
        background-color: #ffffff;
        flex-direction: column;
        width: 100%;
        height: calc(100vh - 81px);
        padding: 40px;
        gap: 30px;
        transition: left 0.3s ease-in-out;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        font-size: 1.2rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    .hero h1 { font-size: 2.1rem; }
    .hero .subtitle { font-size: 1.1rem; }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}