:root {
    --primary-color: #0d47a1;
    --secondary-color: #fbc02d;
    --accent-color: #00bcd4;
    --dark-bg: #f4f6f9;
    --light-text: #ffffff;
    --dark-text: #333333;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark-bg);
    color: var(--dark-text);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
}

.bg-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1565c0 100%) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

.text-secondary {
    color: var(--secondary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: #1565c0;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13, 71, 161, 0.3);
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: #333;
    font-weight: 600;
}

.btn-secondary:hover {
    background-color: #f9a825;
    color: #111;
    transform: translateY(-2px);
}

.navbar {
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.hero-section {
    background: linear-gradient(rgba(13, 71, 161, 0.8), rgba(0, 0, 0, 0.7)), url('/assets/images/hero-bg.jpg') center/cover;
    color: var(--light-text);
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    animation: fadeInUp 1.2s ease;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    display: inline-block;
}

.section-title h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--secondary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

.card {
    border: none;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.package-card {
    background: #fff;
    padding: 30px 20px;
    text-align: center;
    border-top: 5px solid var(--primary-color);
    position: relative;
    z-index: 1;
}

.package-card.silver { border-color: #c0c0c0; }
.package-card.gold { border-color: #ffd700; }
.package-card.emerald { border-color: #2ecc71; }
.package-card.pearl { border-color: #f0ead6; }
.package-card.diamond { border-color: #b9f2ff; }

.package-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 20px 0;
}

.package-features {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.package-features li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    color: #666;
}

/* Dashboard Styles */
.sidebar {
    position: fixed;
    top: 56px;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 48px 0 0; 
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
    background-color: #fff;
}

.sidebar-sticky {
    position: relative;
    top: 0;
    height: calc(100vh - 48px);
    padding-top: .5rem;
    overflow-x: hidden;
    overflow-y: auto;
}

.sidebar .nav-link {
    font-weight: 500;
    color: #333;
    padding: 12px 20px;
    transition: var(--transition);
}

.sidebar .nav-link:hover, .sidebar .nav-link.active {
    color: var(--primary-color);
    background-color: rgba(13, 71, 161, 0.05);
    border-left: 4px solid var(--primary-color);
}

.sidebar .nav-link i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.main-content {
    margin-left: 240px;
    padding: 30px;
    background-color: var(--dark-bg);
    min-height: 100vh;
}

.stat-card {
    border-radius: 12px;
    padding: 20px;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.stat-card .icon {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    opacity: 0.3;
}

.bg-gradient-primary { background: linear-gradient(45deg, #1e3c72, #2a5298); }
.bg-gradient-success { background: linear-gradient(45deg, #11998e, #38ef7d); }
.bg-gradient-warning { background: linear-gradient(45deg, #f2994a, #f2c94c); }
.bg-gradient-danger { background: linear-gradient(45deg, #cb2d3e, #ef473a); }

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Footer */
footer {
    background: #111;
    color: #bbb;
    padding: 60px 0 20px;
}
footer h5 {
    color: #fff;
    margin-bottom: 20px;
}
footer a {
    color: #bbb;
    text-decoration: none;
    transition: 0.3s;
}
footer a:hover {
    color: var(--secondary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .main-content { margin-left: 0; }
    .sidebar { display: none; }
    .hero-title { font-size: 2.5rem; }
}