/* =========================================================
   CJ Universe - Sistem Perusahaan
   Desain Profesional & Internasional
   Mendukung Multi-Bahasa (Mandarin, Inggris, Indonesia)
============================================================ */

/* ==========================
   RESET & BASE STYLING
========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: #f4f7fa;
    color: #333;
    line-height: 1.6;
    font-size: 16px;
    transition: background 0.3s, color 0.3s;
}

/* ==========================
   CJ UNIVERSE BRANDING
========================== */
body::before {
    content: "CJ Universe";
    display: block;
    text-align: center;
    font-size: 0.75rem;
    color: #888;
    margin-bottom: 0.5rem;
    letter-spacing: 0.15em;
}

/* ==========================
   TYPOGRAPHY
========================== */
h1 {
    font-size: 2.5rem;
    text-align: center;
    color: #1c1f26;
    margin: 2rem 0;
    font-weight: 700;
}

ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1rem;
}

li {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

li:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

a {
    display: block;
    padding: 1rem 2rem;
    text-decoration: none;
    color: #1c1f26;
    font-weight: 600;
    transition: color 0.3s, background 0.3s;
}

a:hover {
    color: #fff;
    background: #0078d7;
    border-radius: 12px;
}

/* ==========================
   RESPONSIVE DESIGN
========================== */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    a {
        text-align: center;
    }
}

/* ==========================
   LANGUAGE SUPPORT
========================== */
body[data-lang="en"] {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body[data-lang="id"] {
    font-family: 'Nunito', 'Segoe UI', sans-serif;
}

body[data-lang="zh"] {
    font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
}

/* ==========================
   CUSTOM THEME COLORS (CJ Universe)
========================== */
:root {
    --primary-color: #0078d7;  /* Biru khas perusahaan modern */
    --secondary-color: #f5a623; /* Orange aksen */
    --bg-color: #f4f7fa;
    --text-color: #1c1f26;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

a:hover {
    background-color: var(--primary-color);
}

/* ==========================
   UTILITY CLASSES
========================== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

/* ==========================
   FOCUS & ACCESSIBILITY
========================== */
a:focus, button:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 3px;
}