/* ==========================================================================
   CSS VARIABLES (Ganti warna dasar website di sini dengan mudah!)
   ========================================================================== */
:root {
    --primary-color: #00adb5;    /* EDIT DI SINI: Warna utama (Teal) */
    --secondary-color: #393e46;  /* EDIT DI SINI: Warna sekunder (Abu Gelap) */
    --bg-light: #f4f7f6;         /* EDIT DI SINI: Background tema terang */
    --text-light: #222831;       /* EDIT DI SINI: Warna teks tema terang */
    
    /* Variabel default awal (Tema Terang) */
    --bg-current: var(--bg-light);
    --text-current: var(--text-light);
    --card-bg: #ffffff;
}

/* Mode Gelap otomatis aktif jika class "dark-mode" ditambahkan oleh JavaScript */
.dark-mode {
    --bg-current: #222831;
    --text-current: #eceff1;
    --card-bg: #393e46;
}

/* Reset Dasar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth; /* Membuat efek scroll menjadi halus saat klik menu */
}

body {
    background-color: var(--bg-current);
    color: var(--text-current);
    transition: background-color 0.3s, color 0.3s;
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 10%;
    background-color: var(--card-bg);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    font-size: 24px;
    font-weight: bold;
}

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

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

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

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

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

.btn-toggle {
    padding: 8px 15px;
    cursor: pointer;
    border-radius: 20px;
    border: 1px solid var(--primary-color);
    background: transparent;
    color: var(--text-current);
    font-weight: bold;
}

/* HERO SECTION */
.hero-section {
    height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.highlight {
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.8;
}

.btn-primary {
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: scale(1.05); /* Efek membesar sedikit saat di-hover */
}

/* SECTIONS UMUM */
section {
    padding: 80px 10%;
    text-align: center;
}

section h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    position: relative;
}

section h2::after {
    content: '';
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

/* SERVICES GRID */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* Responsif otomatis */
    gap: 30px;
    margin-top: 20px;
}

.service-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-10px); /* Efek melayang saat di-hover */
}

.service-card .icon {
    font-size: 40px;
    margin-bottom: 15px;
}

/* FORM KONTAK */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    text-align: left;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.input-group input, .input-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: var(--bg-current);
    color: var(--text-current);
}

.btn-submit {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background-color: #008c94;
}

/* FOOTER */
.footer {
    text-align: center;
    padding: 20px;
    background-color: var(--card-bg);
    font-size: 14px;
}

/* ==========================================================================
   CATALOG SECTION STYLES
   ========================================================================== */
.section-subtitle {
    margin-top: -30px;
    margin-bottom: 40px;
    opacity: 0.7;
    font-size: 1rem;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Grid otomatis menyesuaikan layar */
    gap: 30px;
    padding: 20px 0;
}

.catalog-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden; /* Agar gambar tidak keluar dari sudut melengkung kartu */
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
    position: relative; /* Diperlukan untuk posisi badge */
}

.catalog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.catalog-img {
    width: 100%;
    height: 200px;
    object-fit: cover; /* Memastikan gambar terpotong proporsional tanpa gepeng */
    border-bottom: 3px solid var(--primary-color);
}

.catalog-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--primary-color);
    color: white;
    padding: 5px 12px;
    font-size: 12px;
    font-weight: bold;
    border-radius: 20px;
    text-transform: uppercase;
}

.catalog-content {
    padding: 25px;
}

.catalog-category {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
    font-weight: 700;
    display: inline-block;
    margin-bottom: 8px;
}

.catalog-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--text-current);
}

.catalog-content p {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 20px;
    opacity: 0.8;
}

.catalog-price {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.btn-catalog {
    display: block;
    text-align: center;
    padding: 10px;
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-catalog:hover {
    background-color: var(--primary-color);
    color: white;
}

/* ==========================================================================
   KODE LAMA UTAMA (Jangan diganggu)
   ========================================================================== */
body { ... }
.navbar { ... }

/* ==========================================================================
   CATALOG SECTION STYLES (Taruh di paling bawah seperti ini)
   ========================================================================== */
.catalog-grid { ... }
.catalog-card { ... }

/* ==========================================================================
   SOCIAL MEDIA SECTION STYLES
   ========================================================================== */
.social-section {
    background-color: var(--bg-current);
    padding: 60px 10%;
}

.social-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); /* Susunan kotak otomatis responsif */
    gap: 20px;
    margin-top: 30px;
}

.social-box {
    background-color: var(--card-bg);
    padding: 25px 15px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-current);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid rgba(0,0,0,0.05);
}

.social-icon {
    font-size: 35px;
    margin-bottom: 12px;
    transition: transform 0.3s ease;
}

.social-box h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.social-box p {
    font-size: 0.85rem;
    opacity: 0.6;
}

/* --------------------------------------------------------------------------
   EFEK HOVER DENGAN WARNA KHAS MASING-MASING BRAND
   -------------------------------------------------------------------------- */
.social-box:hover {
    transform: translateY(-5px);
    color: #ffffff; /* Saat di-hover, semua teks otomatis berubah jadi putih */
}

.social-box:hover 

.social-icon {
    font-size: 40px; /* Ukuran ikon sedikit diperbesar agar proporsional */
    margin-bottom: 15px;
    transition: transform 0.3s ease;
    display: block; /* Memastikan ikon mengambil ruang penuh */
}

/* Warna Hover WhatsApp (Hijau) */
.whatsapp:hover { background-color: #25D366; border-color: #25D366; }

/* Warna Hover YouTube (Merah) */
.youtube:hover { background-color: #FF0000; border-color: #FF0000; }

/* Warna Hover LinkedIn (Biru Profesional) */
.linkedin:hover { background-color: #0077B5; border-color: #0077B5; }

/* Warna Hover Instagram (Gradasi ungu-pink diwakili warna magenta tua) */
.instagram:hover { background-color: #E1306C; border-color: #E1306C; }

/* Warna Hover Facebook (Biru Gelap) */
.facebook:hover { background-color: #1877F2; border-color: #1877F2; }

/* Warna Hover X / Twitter (Hitam/Abu Gelap modern) */
.x-platform:hover { background-color: #1DA1F2; border-color: #1DA1F2; }

/* ==========================================================================
   NAVBAR RESPONSIF (KHUSUS LAYANAN MOBILE / HP)
   ========================================================================== */
@media screen and (max-width: 768px) {
    .navbar {
        padding: 15px 5%;
        position: relative;
    }

    /* Mengubah menu samping menjadi berbaris ke bawah di belakang layar */
    .nav-links {
        position: absolute;
        right: 0px;
        top: 100%;
        background-color: var(--card-bg);
        display: flex;
        flex-direction: column;
        width: 100%;
        text-align: center;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        padding: 20px 0;
        gap: 15px;
        
        /* Menyembunyikan menu secara default sebelum tombol diklik */
        display: none; 
    }

    /* Class bantuan yang akan dipicu oleh JavaScript saat menu dibuka */
    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
    }

    /* Membuat tombol toggle tema dan menu lebih proporsional di HP */
    .btn-toggle {
        padding: 6px 12px;
        font-size: 14px;
    }
}

/* ==========================================================================
   ARTICLE PAGE STYLES (Halaman Detail Artikel)
   ========================================================================== */
.article-container {
    max-width: 800px; /* Membuat konten tidak terlalu lebar ke samping agar mata tidak lelah membaca */
    margin: 40px auto;
    padding: 0 20px;
}

.article-header {
    text-align: left;
    margin-bottom: 30px;
}

.article-badge {
    padding: 6px 14px;
    font-size: 13px;
    font-weight: bold;
    border-radius: 4px;
    color: white;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 15px;
    background-color: var(--primary-color); /* Warna default */
}

/* Variasi Warna Badge Berdasarkan Niche (Otomatis) */
.article-badge.teknologi { background-color: #0077B5; }
.article-badge.edukasi { background-color: #25D366; }
.article-badge.hiburan { background-color: #E1306C; }
.article-badge.bisnis { background-color: #f39c12; }

.article-title {
    font-size: 2.5rem;
    line-height: 1.3;
    margin-bottom: 15px;
    color: var(--text-current);
}

.article-meta {
    font-size: 14px;
    opacity: 0.7;
    display: flex;
    gap: 20px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    padding-bottom: 15px;
}

.article-image-wrapper {
    width: 100%;
    margin-bottom: 40px;
    border-radius: 8px;
    overflow: hidden;
}

.article-featured-img {
    width: 100%;
    height: auto;
    max-height: 450px;
    object-fit: cover;
}

/* Mengatur Gaya Teks di Dalam Isi Artikel */
.article-content {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-current);
    text-align: justify;
}

.article-content p {
    margin-bottom: 25px; /* Memberi jarak antar paragraf agar enak dibaca */
}

.article-content h2, .article-content h3 {
    margin: 35px 0 15px 0;
    color: var(--text-current);
}

/* Bagian Footer Artikel (Tombol Share) */
.article-footer {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid rgba(0,0,0,0.1);
}

.article-footer h3 {
    font-size: 16px;
    margin-bottom: 15px;
}

.share-buttons {
    display: flex;
    gap: 10px;
}

.share-btn {
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    color: white;
    font-weight: bold;
    font-size: 14px;
    transition: opacity 0.2s;
}

.share-btn:hover { opacity: 0.9; }
.share-btn.wa { background-color: #25D366; }
.share-btn.fb { background-color: #1877F2; }
.share-btn.x-tw { background-color: #111111; }

/* ==========================================================================
   SEARCH SYSTEM STYLES
   ========================================================================== */
/* Kolom Pencarian Besar di Beranda (Hero) */
.search-form-hero {
    display: flex;
    max-width: 550px;
    margin: 25px auto 0 auto;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    border-radius: 30px;
    overflow: hidden;
    background: white;
    padding: 4px;
}

.search-form-hero input {
    flex: 1;
    border: none;
    padding: 12px 20px;
    font-size: 1rem;
    outline: none;
    background: transparent;
}

.search-form-hero button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0 25px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 25px;
    cursor: pointer;
    transition: background 0.2s;
}

.search-form-hero button:hover {
    background-color: #128C7E; /* Warna sedikit gelap saat hover */
}

/* Kolom Pencarian Kecil di Navbar Halaman Artikel */
.search-form-nav {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 20px;
    padding: 2px 10px;
    margin: 0 20px;
    max-width: 250px;
    flex: 1;
}

/* Penyesuaian search-nav saat Mode Gelap aktif */
body.dark-mode .search-form-nav {
    background: rgba(255, 255, 255, 0.1);
}

.search-form-nav input {
    width: 100%;
    border: none;
    background: transparent;
    padding: 6px 10px;
    font-size: 0.9rem;
    outline: none;
    color: var(--text-current);
}

.search-form-nav button {
    background: transparent;
    border: none;
    color: var(--text-current);
    cursor: pointer;
    opacity: 0.6;
}

/* Responsif untuk Layar HP */
@media screen and (max-width: 768px) {
    .search-form-nav {
        display: none; /* Sembunyikan pencarian navbar di HP agar tidak padat */
    }
    .search-form-hero {
        width: 90%;
    }
}

/* ==========================================================================
   FEATURE 1: CATEGORY FILTER BUTTONS
   ========================================================================== */
.category-filter-container {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin: 25px 0 40px 0;
    flex-wrap: wrap; /* Supaya di layar HP tombolnya otomatis turun kebawah dan tidak terpotong */
}

.filter-btn {
    padding: 8px 22px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-current);
    background-color: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

/* Mengatur warna tombol saat di-hover oleh mouse */
.filter-btn:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Menandai tombol kategori yang sedang aktif dipilih */
.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

/* Penyesuaian tombol saat website berada dalam Mode Gelap (Dark Mode) */
body.dark-mode .filter-btn {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.1);
}
body.dark-mode .filter-btn.active {
    background-color: var(--primary-color);
    color: white;
}

/* ==========================================================================
   FEATURE 3: RELATED ARTICLES (Artikel Terkait)
   ========================================================================== */
.related-articles-section {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px dashed rgba(0, 0, 0, 0.1);
}

body.dark-mode .related-articles-section {
    border-top-color: rgba(255, 255, 255, 0.1);
}

.related-title {
    font-size: 1.25rem;
    margin-bottom: 20px;
    color: var(--text-current);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.related-card {
    display: flex;
    gap: 15px;
    text-decoration: none;
    background: rgba(0, 0, 0, 0.02);
    padding: 12px;
    border-radius: 8px;
    align-items: center;
    transition: transform 0.2s ease, background 0.2s ease;
}

body.dark-mode .related-card {
    background: rgba(255, 255, 255, 0.03);
}

.related-card:hover {
    transform: translateY(-3px);
    background: rgba(0, 0, 0, 0.05);
}

body.dark-mode .related-card:hover {
    background: rgba(255, 255, 255, 0.08);
}

.related-card img {
    width: 90px;
    height: 70px;
    object-fit: cover;
    border-radius: 6px;
}

.related-info h4 {
    font-size: 0.95rem;
    line-height: 1.4;
    color: var(--text-current);
    margin-bottom: 5px;
    /* Membuat teks judul yang terlalu panjang otomatis terpotong rapi dengan titik-titik (...) */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-info span {
    font-size: 12px;
    opacity: 0.6;
    color: var(--text-current);
}

/* ==========================================================================
   FEATURE 4: READING PROGRESS BAR (Garis Indikator Scroll)
   ========================================================================== */
.progress-container {
    position: fixed;     /* Membuat garis tetap menempel di atas saat di-scroll */
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;         /* Ketebalan garis (5 pixel) */
    background: transparent;
    z-index: 9999;       /* Memastikan garis berada di paling depan objek lain */
}

.progress-bar {
    height: 100%;
    background: #00b4d8; /* Warna biru neon terang (bisa kamu ganti sesukamu) */
    width: 0%;           /* Awal mula sebelum di-scroll adalah 0% */
    transition: width 0.1s ease;
}