/* =============================================
   ROOT VARIABLES - DARK THEME
   ============================================= */
:root {
    --primary: #6c5ce7;
    --primary-dark: #5a4bd1;
    --secondary: #00cec9;
    --success: #2ed573;
    --danger: #ff4757;
    --warning: #fdcb6e;
    --dark: #0a0a0f;
    --dark-card: #15151e;
    --text: #e8e8f0;
    --text-muted: rgba(255,255,255,0.6);
    --text-muted-strong: rgba(255,255,255,0.3);
    --glass: rgba(255,255,255,0.05);
    --glass-border: rgba(255,255,255,0.08);
    --radius: 16px;
    --shadow: 0 8px 32px rgba(0,0,0,0.4);
}

/* =============================================
   RESET & BASE
   ============================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark);
    color: var(--text);
    min-height: 100vh;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(108,92,231,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(0,206,201,0.05) 0%, transparent 50%),
        #0a0a0f;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =============================================
   HEADER
   ============================================= */
.header {
    padding: 16px 0;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(10,10,15,0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
}

.logo img {
    border-radius: 50%;
    width: 50px;
    height: 50px;
    object-fit: cover;
}

.header-info span {
    color: var(--text-muted);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-info i {
    color: var(--secondary);
}

/* =============================================
   HERO
   ============================================= */
.hero {
    text-align: center;
    padding: 40px 0 30px;
}

.hero h1 {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, #6c5ce7, #a29bfe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.hero p {
    color: var(--text-muted);
    font-size: 18px;
    margin-bottom: 16px;
}

.hero-badge {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.hero-badge span {
    background: var(--glass);
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 13px;
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-badge i {
    color: var(--secondary);
}

/* =============================================
   PACKAGES GRID
   ============================================= */
.packages {
    padding: 20px 0 60px;
}

.package-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.package-card {
    background: var(--dark-card);
    border-radius: var(--radius);
    padding: 28px 24px 24px;
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.package-card:hover {
    transform: translateY(-8px);
    border-color: rgba(108,92,231,0.3);
    box-shadow: 0 12px 48px rgba(108,92,231,0.1);
}

.package-card.package-popular {
    border-color: var(--secondary);
    box-shadow: 0 0 30px rgba(0,206,201,0.05);
}

.package-card.package-premium {
    border-color: var(--warning);
    box-shadow: 0 0 30px rgba(253,203,110,0.05);
}

/* Badge */
.package-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--primary);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.package-card.package-popular .package-badge {
    background: var(--secondary);
    color: var(--dark);
}

.package-card.package-premium .package-badge {
    background: var(--warning);
    color: var(--dark);
}

/* Icon */
.package-icon {
    font-size: 40px;
    margin-bottom: 8px;
}

/* Title */
.package-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

/* Price */
.package-price {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2px;
}

.package-price::before {
    content: 'Rp ';
    font-size: 18px;
    font-weight: 400;
    color: var(--text-muted);
}

/* Duration */
.package-duration {
    color: var(--text-muted);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 12px;
}

/* Features */
.package-features {
    list-style: none;
    text-align: left;
    margin: 12px 0 20px;
    padding: 0;
}

.package-features li {
    padding: 4px 0;
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.package-features i {
    color: var(--success);
    font-size: 14px;
    width: 20px;
}

/* Button */
.btn-buy {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 12px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    width: 100%;
    justify-content: center;
    border: none;
    cursor: pointer;
}

.btn-buy:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(108,92,231,0.3);
}

.btn-buy i {
    font-size: 16px;
}

.package-card.package-popular .btn-buy {
    background: linear-gradient(135deg, var(--secondary), #00b894);
}

.package-card.package-premium .btn-buy {
    background: linear-gradient(135deg, var(--warning), #f9ca24);
    color: var(--dark);
}

/* =============================================
   MODAL / FORM
   ============================================= */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-content {
    background: var(--dark-card);
    border-radius: var(--radius);
    padding: 32px;
    max-width: 480px;
    width: 100%;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow);
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-content h2 {
    font-size: 22px;
    margin-bottom: 4px;
}

.modal-content .subtitle {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 20px;
}

.close-modal {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-muted);
    background: none;
    border: none;
    transition: color 0.3s;
}

.close-modal:hover {
    color: var(--text);
}

/* Form Group */
.form-group {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--glass);
    border-radius: 12px;
    padding: 4px 16px;
    border: 1px solid var(--glass-border);
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.form-group:focus-within {
    border-color: var(--primary);
    background: rgba(255,255,255,0.06);
}

.form-group i {
    color: var(--text-muted);
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.form-group input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 12px 0;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
}

.form-group input::placeholder {
    color: var(--text-muted-strong);
}

.form-group input[readonly] {
    cursor: default;
    opacity: 0.7;
}

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--success), #26de81);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-submit:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(46,213,115,0.3);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 20px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-links {
    display: flex;
    gap: 16px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--text);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 15px;
    }
    
    .package-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    
    .package-card {
        padding: 20px 16px;
    }
    
    .package-price {
        font-size: 26px;
    }
    
    .header .container {
        flex-direction: column;
        gap: 8px;
    }
    
    .footer .container {
        flex-direction: column;
        text-align: center;
    }
    
    .modal-content {
        padding: 24px;
        margin: 16px;
    }
}

@media (max-width: 480px) {
    .package-grid {
        grid-template-columns: 1fr;
        max-width: 380px;
        margin: 0 auto;
    }
    
    .hero h1 {
        font-size: 24px;
    }
    
    .hero-badge {
        gap: 12px;
    }
    
    .hero-badge span {
        font-size: 11px;
        padding: 4px 14px;
    }
    
    .modal-content {
        padding: 20px;
    }
    
    .form-group {
        padding: 2px 12px;
    }
    
    .form-group input {
        padding: 10px 0;
        font-size: 13px;
    }
}