/* =========================================
   VARIABEL WARNA & RESET
   ========================================= */
:root {
    /* Warna diambil dari gambar logo */
    --bg-color: #2C2C2C;       /* Abu-abu gelap */
    --text-color: #EAEAEA;     /* Putih tulang agar mudah dibaca */
    --primary-color: #DDBE83;  /* Warna Emas (Huruf R) */
    --secondary-color: #63A4D8;/* Warna Biru (Panah) */
    --card-bg: #383838;        /* Sedikit lebih terang dari background */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* Mencegah teks terpilih (opsional, sering dipakai di web app) */
    -webkit-tap-highlight-color: transparent; 
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    /* Memastikan tidak ada scroll horizontal di mobile */
    overflow-x: hidden; 
}

/* =========================================
   HEADER & NAVIGASI
   ========================================= */
.main-header {
    background-color: rgba(44, 44, 44, 0.95);
    padding: 15px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--card-bg);
}

.logo-container {
    font-size: 28px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.logo-arrow {
    color: var(--secondary-color); /* Biru */
}

.logo-letter {
    color: var(--primary-color); /* Emas */
    margin: 0 5px;
}

/* Navigasi Flexbox untuk Mobile */
.main-nav ul {
    list-style: none;
    display: flex;
    justify-content: space-around; /* Menyebar rata */
    flex-wrap: wrap;
    gap: 10px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.main-nav a:hover, .main-nav a.active {
    background-color: var(--primary-color);
    color: var(--bg-color); /* Teks jadi gelap saat aktif */
}

/* =========================================
   KONTEN UTAMA & CARD
   ========================================= */
.container {
    padding: 30px 20px;
    max-width: 600px; /* Lebar maksimal untuk tampilan mobile/tablet */
    margin: 0 auto;
}

.page-title {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 5px;
    text-align: center;
}

.page-subtitle {
    text-align: center;
    font-size: 14px;
    color: #A0A0A0;
    margin-bottom: 30px;
}

/* Gaya Card dengan Border Radius */
.card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 16px; /* Sudut melengkung */
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    /* Efek transisi saat hover (jika dibuka di PC) */
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-3px);
}

.card h2 {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 10px;
}

.card p {
    font-size: 15px;
    color: #CCCCCC;
}

/* Tombol di dalam card */
.btn-primary {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: var(--secondary-color); /* Warna Biru */
    color: #FFFFFF;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #508dbf;
}

/* =========================================
   FOOTER
   ========================================= */
.main-footer {
    text-align: center;
    padding: 20px;
    font-size: 13px;
    color: #888888;
    margin-top: 40px;
    border-top: 1px solid var(--card-bg);
}