/* Advanced Global Styles with New Color Palette */
:root {
    --primary-color: #4f46e5;  /* Indigo */
    --primary-hover: #4338ca;
    --primary-light: rgba(79, 70, 229, 0.1);
    --secondary-color: #6b7280;  /* Gray */
    --success-color: #10b981;  /* Emerald */
    --info-color: #3b82f6;  /* Blue */
    --warning-color: #f59e0b;  /* Amber */
    --danger-color: #ef4444;  /* Red */
    --dark-color: #111827;  /* Gray-900 */
    --light-color: #f9fafb;  /* Gray-50 */
    --gray-color: #6b7280;
    --light-gray: #e5e7eb;
    --accent-color: #ec4899;  /* Pink */
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --box-shadow-lg: 0 15px 50px rgba(0, 0, 0, 0.15);
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --text-gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
}

/* Modern Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--dark-color);
    line-height: 1.7;
    background-color: var(--light-color);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
}

/* Enhanced Navigation */
.navbar {
    padding: 1rem 0;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
    padding: 0.75rem 0;
    background-color: rgba(79, 70, 229, 0.98) !important;
    box-shadow: 0 5px 25px rgba(79, 70, 229, 0.15);
}

.navbar-brand {
    font-weight: 700;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.navbar-brand img {
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: 40px;
}

.navbar-brand:hover {
    transform: translateX(3px);
}

.navbar-brand:hover img {
    transform: scale(1.1);
}

.nav-link {
    font-weight: 600;
    position: relative;
    padding: 0.5rem 1rem !important;
    transition: var(--transition);
    border-radius: 50px;
    margin: 0 0.25rem;
}

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

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
}

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

.navbar.scrolled .nav-link {
    color: rgba(255, 255, 255, 0.9);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: white;
}

/* Hero Section - Animated Gradient */
.hero-section {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(79,70,229,0.05) 0%, rgba(255,255,255,0) 70%);
    animation: pulse 15s infinite linear;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}

@keyframes pulse {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Page Header - Parallax Effect */
.page-header {
    padding: 8rem 0;
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, #3730a3 100%);
    overflow: hidden;
}

.page-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjA1KSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPjwvc3ZnPg==');
    opacity: 0.4;
}

/* Icon Box - 3D Effect */
.icon-box {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.15);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.icon-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 100%);
    opacity: 0;
    transition: var(--transition);
}

.icon-box:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(79, 70, 229, 0.2);
}

.icon-box:hover::before {
    opacity: 1;
}

/* Card Styles - Glass Morphism */
.card {
    border: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(255, 255, 255, 0.3);
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 100%);
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-lg);
}

.ms1 { margin-top: 25px; }
.ms2 { margin-top: 55px; }
.ms3 { margin-top: 30px; }
.ms4 { margin-top: 52px; }

.card:hover::before {
    opacity: 1;
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    border-bottom: none;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.card-header::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 60%, rgba(255,255,255,0.2) 100%);
}

/* Course Card - Interactive */
.course-card {
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.course-card .card-img-top {
    transition: transform 0.8s ease;
}

.course-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--box-shadow-lg);
}

.course-card:hover .card-img-top {
    transform: scale(1.1);
}

.course-card .badge {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 0.8rem;
    padding: 0.5rem 0.75rem;
    border-radius: 50px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    z-index: 1;
    background: var(--accent-color);
    color: white;
}

/* Button Styles - Animated */
.btn {
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--text-gradient);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #db2777 100%);
    color: white;
}

.btn-outline-primary {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--text-gradient);
    color: white;
    border-color: transparent;
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    color: white;
}

/* Back to Top Button - Floating */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    background: var(--text-gradient);
    color: white;
    box-shadow: 0 5px 25px rgba(79, 70, 229, 0.3);
    border: none;
}

.back-to-top::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 100%);
    border-radius: 50%;
    opacity: 0;
    transition: var(--transition);
}

.back-to-top:hover::before {
    opacity: 1;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.4);
}

/* Map Container - Interactive */
.map-container {
    width: 100%;
    height: 500px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    position: relative;
}

.map-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(79,70,229,0.05) 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
    z-index: 1;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(20%) contrast(1.1);
    transition: filter 0.5s ease;
}

.map-container:hover iframe {
    filter: grayscale(0%) contrast(1);
}

/* Enhanced Animations */
.animate-float {
    animation: float 6s ease-in-out infinite;
    transform-origin: center;
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

.animate-pulse {
    animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Text Gradient */
.text-gradient {
    background: var(--text-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Badges */
.badge {
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 0.5em 0.75em;
}

.badge-primary {
    background: var(--primary-color);
}

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

.badge-success {
    background: var(--success-color);
}

.badge-danger {
    background: var(--danger-color);
}

.badge-warning {
    background: var(--warning-color);
}

.badge-info {
    background: var(--info-color);
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 1.25rem 1.5rem;
}

.alert-primary {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
    border-left: 4px solid var(--primary-color);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

/* Responsive Adjustments with More Breakpoints */
@media (max-width: 1199.98px) {
    .hero-section {
        padding: 5rem 0;
    }
    
    .page-header {
        padding: 6rem 0;
    }
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        background: white;
        border-radius: var(--border-radius);
        padding: 1rem;
        box-shadow: var(--box-shadow);
        margin-top: 1rem;
    }
    
    .navbar.scrolled .navbar-collapse {
        background: rgba(79, 70, 229, 0.98);
    }
    
    .nav-link {
        margin: 0.25rem 0;
        padding: 0.75rem 1rem !important;
    }
    
    .nav-link::after {
        display: none;
    }
}

@media (max-width: 767.98px) {
    .hero-section {
        padding: 4rem 0;
        text-align: center;
    }
    
    .hero-section img {
        margin-top: 2rem;
        max-width: 80%;
    }
    
    .page-header {
        padding: 4rem 0;
    }
    
    .icon-box {
        width: 70px;
        height: 70px;
        margin: 0 auto;
    }
}

@media (max-width: 575.98px) {
    .hero-section {
        padding: 3rem 0;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .back-to-top {
        width: 50px;
        height: 50px;
        bottom: 1.5rem;
        right: 1.5rem;
    }
}

/* Additional Micro-Interactions */
a, button {
    transition: var(--transition);
}

a:hover {
    text-decoration: none;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

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

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

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

/* Selection Styling */
::selection {
    background: var(--primary-color);
    color: white;
}

/* Form Elements */
.form-control, .form-select {
    padding: 0.875rem 1.25rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(79, 70, 229, 0.15);
}

/* Custom Utilities */
.rounded-lg {
    border-radius: 20px;
}

.shadow-primary {
    box-shadow: 0 10px 30px rgba(79, 70, 229, 0.15);
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
}

/* Spacing Utilities */
.py-6 {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.mt-6 {
    margin-top: 5rem;
}

/* Text Utilities */
.text-primary {
    color: var(--primary-color) !important;
}

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

/* Background Utilities */
.bg-light {
    background-color: var(--light-color) !important;
}

.bg-primary-light {
    background-color: var(--primary-light) !important;
}