/* Updated: Modern and Eye-catching Styles */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4cc9f0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gradient: linear-gradient(135deg, #4361ee 0%, #3f37c9 100%);
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: #4a4a4a;
    background-color: #f8fafc;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    padding-top: 80px; /* Space for fixed navbar */
}

/* Modern Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    transition: var(--transition);
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1030;
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color) !important;
}

.navbar-brand img {
    transition: var(--transition);
}

.navbar-brand:hover img {
    transform: rotate(5deg);
}

.nav-link {
    font-weight: 500;
    color: #4a4a4a !important;
    position: relative;
    padding: 8px 15px !important;
    margin: 0 5px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--accent-color);
    transition: var(--transition);
    border-radius: 3px;
}

.nav-link:hover:before,
.nav-link.active:before {
    width: 70%;
}

/* Hero Section */
.hero-section {
    background: var(--gradient);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iMTAwIiBoZWlnaHQ9IjEwMCIgcGF0dGVyblVuaXRzPSJ1c2VyU3BhY2VPblVzZSIgcGF0dGVyblRyYW5zZm9ybT0icm90YXRlKDQ1KSI+PHJlY3Qgd2lkdGg9IjUwJSIgaGVpZ2h0PSI1MCUiIGZpbGw9InJnYmEoMjU1LDI1NSwyNTUsMC4wNSkiLz48L3BhdHRlcm4+PC9kZWZzPjxyZWN0IHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiIGZpbGw9InVybCgjcGF0dGVybikiLz48L3N2Zz4=');
    opacity: 0.3;
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    background: white;
    margin-bottom: 30px;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
}

/* Buttons */
.btn {
    padding: 10px 25px;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient);
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(135deg, #3f37c9 0%, #4361ee 100%);
    transition: var(--transition);
    z-index: -1;
}

.btn-primary:hover:before {
    width: 100%;
}

/* Footer */
footer {
    background: #1a1a2e;
    color: #fff;
    padding: 60px 0 20px;
    position: relative;
    width: 100%;
    margin-top: auto;
}

footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient);
}

footer h5 {
    color: #fff;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

footer h5:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--accent-color);
}

footer a {
    color: #b3b3b3;
    transition: var(--transition);
    text-decoration: none;
}

footer a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

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

.animate {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Responsive Adjustments */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: white;
        padding: 20px;
        border-radius: 10px;
        box-shadow: var(--box-shadow);
        margin-top: 15px;
    }
    
    .nav-link {
        padding: 10px 0 !important;
        margin: 5px 0;
    }
    
    .nav-link:before {
        display: none;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Top Bar Styles */
.top-bar {
    font-size: 0.9rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 1030;
}

.top-bar a {
    color: rgba(255,255,255,0.8);
    transition: all 0.3s ease;
}

.top-bar a:hover {
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
}

/* Navigation Styles */
nav.navbar {
    padding: 15px 0;
    transition: all 0.3s ease;
    z-index: 1020;
}

.navbar.scrolled {
    padding: 5px 0;
    background: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-family: 'Poppins', sans-serif;
    letter-spacing: 0.5px;
}

.navbar-brand img {
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.nav-link {
    font-weight: 500;
    padding: 8px 15px !important;
    margin: 0 5px;
    color: #2c3e50 !important;
    position: relative;
    transition: all 0.3s ease;
}

.nav-link:before {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover:before,
.nav-link.active:before {
    width: 70%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
}

/* Dropdown Menu */
.dropdown-menu {
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 10px 0;
    margin-top: 10px;
    border: 1px solid rgba(0,0,0,0.05);
}

.dropdown-item {
    padding: 8px 20px;
    font-size: 0.9rem;
    color: #2c3e50;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
    padding-left: 25px;
}

/* Responsive Adjustments */
@media (max-width: 991.98px) {
    .top-bar {
        display: none;
    }
    
    .navbar-collapse {
        background: white;
        padding: 20px;
        border-radius: 8px;
        margin-top: 15px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .nav-link:before {
        display: none;
    }
    
    .nav-link {
        padding: 10px 0 !important;
        margin: 5px 0;
    }
}

/* Back to Top Button */
#btn-back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    width: 50px;
    height: 50px;
    z-index: 99;
    opacity: 0;
    transition: all 0.3s ease;
}

#btn-back-to-top.show {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

/* Small text adjustments */
small {
    font-size: 0.75rem;
    letter-spacing: 0.3px;
}