@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&family=Fira+Code:wght@400&display=swap');

:root {
    --bg-color: #0d1117;
    --card-color: #161b22;
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-primary: #58a6ff;
    --accent-secondary: #a371f7;
    --success-color: #2e8555;
    --danger-color: #f87171;
    --warning-color: #facc15;
    --button-gradient: linear-gradient(90deg, var(--accent-secondary), var(--accent-primary));
}

body { font-family: 'Inter', sans-serif; background-color: var(--bg-color); color: var(--text-primary); display: flex; justify-content: center; align-items: center; min-height: 100vh; padding: 20px; margin: 0; }
.container { background-color: var(--card-color); padding: 30px 40px; border-radius: 12px; border: 1px solid var(--border-color); box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3); width: 100%; max-width: 550px; text-align: center; transition: all 0.3s ease; }
h1 { font-size: 2.2em; font-weight: 700; margin-bottom: 8px; background: var(--button-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
h2 { font-size: 1.4em; color: var(--text-primary); border-bottom: 1px solid var(--border-color); padding-bottom: 15px; margin-top: 30px; margin-bottom: 20px; text-align: left; }
p { color: var(--text-secondary); line-height: 1.6; }
.spec-group { text-align: left; margin-bottom: 20px; }
label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 0.9em; color: var(--text-secondary); }
select, input[type="text"], input[type="email"] { width: 100%; padding: 12px 15px; border-radius: 8px; border: 1px solid var(--border-color); background-color: var(--bg-color); color: var(--text-primary); font-size: 1em; transition: border-color 0.2s, box-shadow 0.2s; }
select:focus, input:focus { outline: none; border-color: var(--accent-primary); box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2); }
#package-details { background-color: var(--bg-color); border-radius: 8px; padding: 20px; margin-top: 15px; text-align: left; border: 1px solid var(--border-color); }
#package-details p { margin: 8px 0; font-size: 1em; color: var(--text-primary); display: flex; justify-content: space-between; }
#package-details p strong { color: var(--text-secondary); }
#package-details .price { font-size: 1.4em; font-weight: 700; color: var(--accent-primary); text-align: center; margin-top: 20px; padding-top: 15px; border-top: 1px dashed var(--border-color); }
button { background: var(--button-gradient); color: white; border: none; padding: 14px 20px; border-radius: 8px; cursor: pointer; font-size: 1em; font-weight: 600; width: 100%; margin-top: 25px; transition: transform 0.2s, box-shadow 0.2s; text-transform: uppercase; letter-spacing: 0.5px; }
button:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(88, 166, 255, 0.2); }
button:active { transform: translateY(0); }
.secondary-btn { background: none; border: 1px solid var(--accent-secondary); color: var(--accent-secondary); margin-top: 15px; }
.secondary-btn:hover { background-color: rgba(163, 113, 247, 0.1); box-shadow: 0 8px 20px rgba(163, 113, 247, 0.15); }
#check-status-btn { background: none; border: 1px solid var(--accent-primary); color: var(--accent-primary); margin-top: 20px; }
#check-status-btn:hover { background-color: rgba(88, 166, 255, 0.1); box-shadow: 0 8px 20px rgba(88, 166, 255, 0.15); }
.hidden { display: none !important; }
#payment-section img { max-width: 280px; margin-top: 20px; border: 5px solid white; border-radius: 8px; background-color: white; box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3); }
#payment-status { margin-top: 20px; font-weight: 600; transition: color 0.3s; }
#success-section pre { font-family: 'Fira Code', monospace; background-color: var(--bg-color); padding: 20px; border-radius: 8px; border: 1px solid var(--border-color); text-align: left; white-space: pre-wrap; word-wrap: break-word; color: var(--text-primary); line-height: 1.7; font-size: 0.9em; }
#loading-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(13, 17, 23, 0.8); backdrop-filter: blur(5px); display: flex; justify-content: center; align-items: center; flex-direction: column; z-index: 1000; }
.spinner { border: 6px solid rgba(255, 255, 255, 0.2); border-top: 6px solid var(--accent-primary); border-radius: 50%; width: 50px; height: 50px; animation: spin 1s linear infinite; }
#loading-overlay p { margin-top: 20px; font-size: 1.1em; font-weight: 600; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.status-box { padding: 15px; border-radius: 8px; margin-bottom: 25px; border: 1px solid; font-weight: 600; text-align: center; }
.status-box.success { background-color: rgba(46, 133, 85, 0.2); border-color: var(--success-color); color: #31c473; }
.status-box.error { background-color: rgba(248, 113, 113, 0.1); border-color: var(--danger-color); color: var(--danger-color); }
.status-box.warning { background-color: rgba(250, 204, 21, 0.1); border-color: var(--warning-color); color: var(--warning-color); }

/* ================================== */
/* CSS NAVIGASI BARU          */
/* ================================== */
header {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 999;
}

.menu-toggle {
    width: 40px;
    height: 40px;
    background: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle .bar {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    margin: 3px 0;
    transition: all 0.3s ease-in-out;
}

.menu-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100%;
    background-color: #1a2029;
    padding-top: 80px;
    transition: right 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    z-index: 998;
    border-left: 1px solid var(--border-color);
}

.nav-menu.active {
    right: 0;
}

.nav-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-menu li a {
    display: block;
    padding: 15px 30px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.1em;
    font-weight: 600;
    transition: background-color 0.2s, color 0.2s;
}

.nav-menu li a:hover {
    background-color: var(--accent-primary);
    color: white;
}

/* ================================== */
/* CSS MODAL BARU           */
/* ================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1001;
}

.modal-content {
    background: var(--card-color);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 600px;
    position: relative;
}

.modal-content h2 {
    text-align: center;
    margin-top: 0;
}
.modal-content p {
    text-align: left;
    margin-bottom: 15px;
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2em;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}