/* ==========================================================================
   1. RESET & CORE VARIABLES (TEMA EPIC CYBER-FANTASY MINECRAFT)
   ========================================================================== */
html {
    scroll-behavior: smooth;
}

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

:root {
    --bg-dark: #060814;
    --bg-surface: #0b1126;
    --bg-card: #121b3a;
    --bg-card-hover: #19254e;
    
    /* Aksentuasi Warna Neon */
    --accent-blue: #00d2ff;
    --accent-java: #ff2a5f;
    --accent-bedrock: #00f59b;
    
    /* Warna Teks */
    --text-main: #ffffff;
    --text-muted: #8fa0dd;
    --border-glow: rgba(0, 210, 255, 0.2);
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==========================================================================
   2. NAVIGATION BAR (MATCHES HOME WEBSITE STYLESHEET)
   ========================================================================== */
nav {
    background-color: rgba(6, 8, 20, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 2px solid #142046;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 10%;
}

.nav-logo {
    font-size: 26px;
    font-weight: 900;
    color: #ffffff;
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(0, 210, 255, 0.6), 0 0 20px rgba(0, 210, 255, 0.2);
}

.nav-links {
    display: flex;
    gap: 35px;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s, text-shadow 0.2s;
}

.nav-links a:hover {
    color: var(--accent-blue);
    text-shadow: 0 0 8px rgba(0, 210, 255, 0.8);
}

.active-link {
    color: var(--accent-blue) !important;
    border-bottom: 2px solid var(--accent-blue);
    padding-bottom: 4px;
}

/* ==========================================================================
   3. CONTAINER & CONTENT MAIN CONTENT SHOP
   ========================================================================== */
.container {
    max-width: 1250px;
    margin: 160px auto 60px auto;
    padding: 0 40px;
    text-align: center;
}

.back-to-shop { text-align: left; margin-bottom: 20px; }
.back-to-shop a { color: var(--accent-blue); text-decoration: none; font-weight: 700; font-size: 14px; }

.shop-title {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -1px;
    margin-bottom: 15px;
    text-transform: uppercase;
    background: linear-gradient(135deg, #ffffff 30%, #a5ccff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.7);
}

.shop-subtitle {
    color: var(--text-muted);
    font-size: 1.15rem;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

/* --- GRID RANKS (RESPONSIVE GRID) --- */
.ranks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    justify-content: center;
}

/* --- CARD STYLE --- */
.rank-card {
    background: linear-gradient(145deg, var(--bg-surface) 0%, var(--bg-card) 100%);
    border: 2px solid #15224f;
    border-radius: 24px;
    padding: 40px 25px;
    text-align: left;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.rank-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 45px rgba(0, 210, 255, 0.15);
}

/* --- WARNA SPECIAL UNTUK TIER PREMIUM (GOLDEN GLOW) --- */
.rank-card.premium {
    border-color: rgba(255, 215, 0, 0.2);
}
.rank-card.premium:hover {
    border-color: #ffd700;
    box-shadow: 0 20px 45px rgba(255, 215, 0, 0.15);
}

/* --- HEADER UNTUK STRUKTUR ICON & INLINE TEXT --- */
.rank-header {
    display: flex;
    align-items: center;  /* Icon dan teks center lurus secara vertikal */
    gap: 16px;            /* Jarak horizontal dari Icon ke Teks */
    margin-bottom: 25px;
    border-bottom: 2px solid #142046;
    padding-bottom: 18px;
}

.rank-icon {
    font-size: 2.2rem;    /* Ukuran besar placeholder emoji */
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 45px;      /* Menjaga area kotak icon tetap konsisten */
}

/* Layout horizontal memaksa Nama Rank & Tag bersebelahan */
.rank-title-inline {
    display: flex;
    align-items: baseline; /* Menyeimbangkan baris bawah teks besar & kecil */
    gap: 12px;             /* Jarak horizontal antara Nama Rank dengan Tag */
    flex-wrap: wrap;       /* Proteksi responsif layar smartphone kecil */
}

.rank-name {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #ffffff;
}

.rank-tag {
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 800;
    color: var(--accent-blue);
    letter-spacing: 1.5px;
    position: relative;
    top: -2px;
}

/* Mengubah warna tag menjadi emas untuk rank premium */
.rank-card.premium .rank-tag {
    color: #ffd700;
}

/* Jika nanti diganti memakai file asset gambar PNG/WEBP custom */
.rank-icon img {
    width: 42px;
    height: 42px;
    object-fit: contain;
}

/* --- LIST PERKS --- */
.perks-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 10px;
    flex-grow: 1;
}

.perks-list li {
    font-size: 14px;
    color: #cbd5e1;
    line-height: 1.5;
    padding-left: 24px;
    position: relative;
}

/* Custom Checkmark Icon */
.perks-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-bedrock);
    font-weight: bold;
}

/* Jika Perk tidak ada akses */
.perks-list li.no-access {
    color: #475569;
    text-decoration: line-through;
}
.perks-list li.no-access::before {
    content: "✕";
    color: var(--accent-java);
}

.perk-highlight {
    color: #ffffff;
    font-weight: 700;
}

/* ==========================================================================
   4. MEDIA QUERIES RESPONSIVE (FIXED FOR MOBILE)
   ========================================================================== */
@media (max-width: 1024px) {
    .shop-title { font-size: 2.8rem; }
}

@media (max-width: 768px) {
    /* 1. Navbar Mobile (Rapi, Terlihat, Bisa Di-scroll Kesamping) */
    nav { 
        padding: 15px 5% !important; 
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .nav-links { 
        display: flex !important; 
        overflow-x: auto;
        width: 100%;
        gap: 18px;
        padding-bottom: 6px;
        white-space: nowrap;
    }

    .nav-links a {
        font-size: 13px;
    }

    /* 2. Container Padding & Spacing */
    .container { 
        margin-top: 130px; 
        padding: 0 18px; 
    }

    .shop-title { 
        font-size: 2.2rem; 
    }

    .shop-subtitle {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    /* 3. Grid Ranks Card (Aman dari Horizontal Scroll) */
    .ranks-grid { 
        grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)) !important; 
        gap: 20px;
    }

    .rank-card { 
        padding: 25px 18px; 
    }

    .rank-header {
        margin-bottom: 18px;
        padding-bottom: 12px;
    }

    .rank-name {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .shop-title { 
        font-size: 1.8rem; 
    }
    
    .perks-list li {
        font-size: 13px;
    }
}