/* CSS (Cascading Style Sheets) - Tema Stellar */

/* 1. Variabel Warna & Reset Dasar */
:root {
    --bg-color: #0a0f1f;
    --surface-color: #19223e;
    --border-color: #2a3559;
    --accent-color: #00d4ff;
    --accent-glow: rgba(0, 212, 255, 0.5);
    --text-color: #e0e6f1;
    --text-muted: #828fa6;
    --success-color: #28a745;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    background-image: linear-gradient(rgba(10, 15, 31, 0.95), rgba(10, 15, 31, 1)), url('https://www.transparenttextures.com/patterns/stardust.png');
    padding-bottom: 80px; /* Ruang untuk bottom nav */
    padding-top: 70px; /* Ruang untuk header */
}

/* 2. Komponen Umum */
.container { max-width: 1100px; margin: auto; padding: 0 20px; }

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 40px;
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-glow);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--accent-color);
    color: var(--bg-color);
    padding: 10px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 15px var(--accent-glow);
}
.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 25px var(--accent-color);
}

/* 3. Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 15, 31, 0.8);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
}
.logo span { color: var(--accent-color); }

.header-cart {
    position: relative;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--text-color);
}
.cart-count {
    position: absolute;
    top: -5px; right: -10px;
    background-color: var(--accent-color);
    color: var(--bg-color);
    width: 20px; height: 20px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.8rem;
    font-weight: 700;
}

/* 4. Konten Halaman (SPA) */
main { padding: 40px 0; }
.page { display: none; animation: fadeIn 0.5s forwards; }
.page.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* Halaman Beranda */
.content-card {
    background-color: var(--surface-color);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}
.content-card h3 {
    font-family: 'Orbitron', sans-serif;
    color: var(--accent-color);
    margin-bottom: 15px;
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}
.feature-item { text-align: center; }
.feature-item i { font-size: 2.5rem; color: var(--accent-color); margin-bottom: 10px; }

/* Halaman Produk */
.product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}
.product-card {
    display: flex;
    flex-direction: column;
    background-color: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease;
}
.product-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}
.product-card__header {
    padding: 20px;
    background: linear-gradient(45deg, var(--accent-color), #5e00ff);
    text-align: center;
}
.product-card__name {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    color: #fff;
    margin: 0;
}
.product-card__price { font-size: 1.2rem; color: rgba(255,255,255,0.8); margin-top: 5px; }
.product-card__body { padding: 25px; }
.product-card__description { margin-bottom: 20px; color: var(--text-muted); }
.product-card .btn { width: 100%; justify-content: center; }

/* Halaman Pembayaran */
.payment-option { display: flex; align-items: center; gap: 15px; background-color: var(--surface-color); padding: 15px; border-radius: 10px; margin-bottom: 15px; border: 1px solid var(--border-color); }
.payment-option__details { flex-grow: 1; }
.payment-option__name { font-weight: 700; }
.payment-option__number { color: var(--text-muted); font-family: monospace; font-size: 1.1rem; }
.btn-copy { background: none; border: 1px solid var(--border-color); color: var(--text-muted); padding: 8px 12px; border-radius: 6px; cursor: pointer; transition: all 0.3s ease; }
.btn-copy:hover { color: var(--accent-color); border-color: var(--accent-color); }
.btn-copy.copied { background-color: var(--success-color); color: #fff; border-color: var(--success-color); }
.qris-container { text-align: center; }
.qris-container img { max-width: 250px; border-radius: 10px; }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; color: var(--text-muted); }
.form-group input { width: 100%; padding: 12px; background-color: var(--bg-color); border: 1px solid var(--border-color); border-radius: 6px; color: var(--text-color); }

/* 5. Keranjang Belanja (Sidebar) */
.cart-sidebar {
    position: fixed;
    top: 0; right: -100%;
    width: 100%; max-width: 400px;
    height: 100%;
    background-color: var(--bg-color);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    transition: right 0.4s ease;
    border-left: 1px solid var(--border-color);
}
.cart-sidebar.active { right: 0; }
.cart-header { padding: 20px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); }
.cart-header h3 { font-family: 'Orbitron', sans-serif; color: var(--accent-color); }
.close-cart { background: none; border: none; font-size: 2rem; color: var(--text-muted); cursor: pointer; }
.cart-items { flex-grow: 1; overflow-y: auto; padding: 10px 20px; }
.cart-item { display: flex; gap: 15px; margin-bottom: 15px; padding-bottom: 15px; border-bottom: 1px solid var(--border-color); }
.cart-item__info { flex-grow: 1; }
.cart-item__name { font-weight: 700; }
.cart-item__price { color: var(--accent-color); }
.cart-item__actions { display: flex; align-items: center; gap: 10px; margin-top: 5px; }
.cart-item__actions button { background-color: var(--surface-color); border: 1px solid var(--border-color); color: var(--text-color); width: 28px; height: 28px; border-radius: 6px; cursor: pointer; }
.cart-footer { padding: 20px; border-top: 1px solid var(--border-color); }
.cart-total { display: flex; justify-content: space-between; font-weight: 700; font-size: 1.2rem; margin-bottom: 15px; }
.cart-total span:last-child { color: var(--accent-color); }
#checkout-telegram { width: 100%; justify-content: center; }
.empty-cart { text-align: center; padding: 50px 20px; color: var(--text-muted); }
.empty-cart i { font-size: 3rem; display: block; margin-bottom: 15px; }

/* 6. Navigasi Bawah & Tombol Support */
.bottom-nav {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background-color: rgba(10, 15, 31, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    z-index: 900;
    border-top: 1px solid var(--border-color);
}
.nav-link {
    display: flex; flex-direction: column; align-items: center;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    transition: color 0.3s ease;
}
.nav-link i { font-size: 1.5rem; margin-bottom: 4px; }
.nav-link.active { color: var(--accent-color); }

.support-float-btn {
    position: fixed;
    bottom: 90px; /* Di atas bottom nav */
    left: 20px;
    background-color: #2AABEE; /* Warna Telegram */
    color: #fff;
    width: 55px; height: 55px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    z-index: 950;
    box-shadow: 0 5px 15px rgba(42, 171, 238, 0.4);
    text-decoration: none;
    transition: all 0.3s ease;
}
.support-float-btn:hover {
    transform: scale(1.1);
}