/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* CSS Variables for consistent animations */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #ff6b6b;
    --text-color: #333;
    --light-bg: #f8f9ff;
    --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: 200px 0;
    }
}

@keyframes bounce {
    0%, 20%, 60%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    80% {
        transform: translateY(-5px);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInScale {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Animation utility classes */
.animate-on-scroll {
    opacity: 0;
    transition: var(--transition-smooth);
}

.animate-on-scroll.animate {
    opacity: 1;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in-down {
    animation: fadeInDown 0.8s ease-out forwards;
}

.fade-in-left {
    animation: fadeInLeft 0.8s ease-out forwards;
}

.fade-in-right {
    animation: fadeInRight 0.8s ease-out forwards;
}

.zoom-in {
    animation: zoomIn 0.6s ease-out forwards;
}

.slide-in-scale {
    animation: slideInScale 0.8s ease-out forwards;
}

/* Container */


/* Header */
/* header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: fadeInDown 0.8s ease-out;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}  */
/* 
.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.logo:hover::before {
    left: 100%;
}

.logo:hover {
    transform: scale(1.05);
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    animation: fadeInRight 0.8s ease-out 0.4s both;
} */

/* .nav-menu li {
    position: relative;
    overflow: hidden;
} */

/* .nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 25px;
} */

/* .nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: all 0.3s ease;
    transform: translateX(-50%);
} */

/* .nav-menu a:hover::before,
.nav-menu a.active::before {
    width: 80%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
} */

/* Main content */
main {
    flex: 1;
    padding: 2rem 0;
}

/* Hero section */
.hero {
    text-align: center;
    padding: 4rem 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: float 20s ease-in-out infinite;
    opacity: 0.3;
}

.hero h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 1rem;
    margin-top: 5%;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.2s both;
    position: relative;
    background: linear-gradient(45deg, #ffffff, #f0f8ff, #ffffff);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out 0.2s both, shimmer 3s ease-in-out infinite;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.4s both;
    position: relative;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(45deg, var(--accent-color), #ee5a24);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-bounce);
    box-shadow: 0 4px 15px rgba(238, 90, 36, 0.4);
    animation: fadeInUp 1s ease-out 0.6s both;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(238, 90, 36, 0.6);
}

.cta-button:active {
    transform: translateY(-1px) scale(1.02);
}

/* Cards container */
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

/* Service cards */
.service-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition-bounce);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.service-card:nth-child(even) {
    animation-delay: 0.1s;
}

.service-card:nth-child(3n) {
    animation-delay: 0.2s;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    animation: float 3s ease-in-out infinite;
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
    transform: scale(1.2) rotate(5deg);
    animation-play-state: paused;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    transition: var(--transition-smooth);
}

.service-card:hover h3 {
    color: var(--primary-color);
}

.service-card p {
    color: #666;
    line-height: 1.6;
    transition: var(--transition-smooth);
}

.service-card:hover p {
    color: var(--text-color);
}

/* Course cards */
.course-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
    transition: var(--transition-bounce);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    text-align: left;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.course-card:hover::before {
    transform: scaleX(1);
}

.course-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.course-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    transition: var(--transition-smooth);
}

.course-card:hover h3 {
    color: var(--primary-color);
}

.course-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.course-fee {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    animation: pulse 2s ease-in-out infinite;
}

.apply-btn {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-bounce);
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
    width: 100%;
    text-align: center;
}

.apply-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
}

.apply-btn:hover::before {
    left: 100%;
}

.apply-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.apply-btn:active {
    transform: translateY(-1px) scale(1.02);
}

/* Forms */
.form-container {
    background: white;
    border-radius: 15px;
    padding: 3rem;
    box-shadow: var(--shadow-light);
    max-width: 600px;
    margin: 2rem auto;
    animation: slideInScale 0.8s ease-out;
    position: relative;
    overflow: hidden;
    text-align: left;
}

.form-container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    background-size: 300% 300%;
    border-radius: 15px;
    z-index: -1;
    animation: shimmer 3s ease-in-out infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.form-container:hover::before {
    opacity: 0.3;
}

.form-group {
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    text-align: left;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }
.form-group:nth-child(5) { animation-delay: 0.5s; }

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
    transition: var(--transition-smooth);
    text-align: left;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition-bounce);
    position: relative;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Payment form specific styles */
.payment-mode-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.payment-option {
    position: relative;
}

.payment-option input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.payment-option label {
    display: block;
    padding: 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.payment-option input[type="radio"]:checked + label {
    border-color: #667eea;
    background: #f8f9ff;
    color: #667eea;
}

.card-details {
    display: none;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.card-details.show {
    display: grid;
}

.upi-details {
    display: none;
    margin-top: 1rem;
}

.upi-details.show {
    display: block;
}

/* Buttons */
.btn {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-bounce);
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn:active {
    transform: translateY(-1px) scale(1.02);
}

.btn-secondary {
    background: linear-gradient(45deg, #95a5a6, #7f8c8d);
}

.btn-secondary:hover {
    box-shadow: 0 8px 20px rgba(149, 165, 166, 0.4);
}

/* Loading button animation */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Alerts */
.alert {
    
    border-radius: 8px;
    
}

.alert-error {
    background: #fee;
    color: #c53030;
    border: 1px solid #feb2b2;
}

.alert-success {
    background: #f0fff4;
    color: #2d7d32;
    border: 1px solid #9ae6b4;
}

/* Confirmation page */
.confirmation-container {
    text-align: center;
    background: white;
    border-radius: 15px;
    padding: 3rem;
    box-shadow: var(--shadow-light);
    max-width: 600px;
    margin: 2rem auto;
    animation: zoomIn 0.8s ease-out;
    position: relative;
    overflow: hidden;
}

.confirmation-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    animation: spin 10s linear infinite;
    opacity: 0.5;
}

.success-icon {
    font-size: 4rem;
    color: #48bb78;
    margin-bottom: 1rem;
    animation: bounce 2s ease-in-out infinite;
    position: relative;
    z-index: 1;
}

.confirmation-container h1 {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    position: relative;
    z-index: 1;
}

.confirmation-details {
    background: var(--light-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 2rem 0;
    text-align: left;
    animation: fadeInUp 0.8s ease-out 0.4s both;
    position: relative;
    z-index: 1;
    transition: var(--transition-smooth);
}

.confirmation-details:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.confirmation-details p {
    margin-bottom: 0.5rem;
    animation: fadeInLeft 0.6s ease-out;
    animation-fill-mode: both;
}

.confirmation-details p:nth-child(1) { animation-delay: 0.1s; }
.confirmation-details p:nth-child(2) { animation-delay: 0.2s; }
.confirmation-details p:nth-child(3) { animation-delay: 0.3s; }
.confirmation-details p:nth-child(4) { animation-delay: 0.4s; }
.confirmation-details p:nth-child(5) { animation-delay: 0.5s; }

.confirmation-details strong {
    color: var(--primary-color);
}

/* Footer */
footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

/* Responsive design with animations */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        animation: fadeInDown 0.6s ease-out;
        text-align: center;
    }
    
    .nav-menu {
        gap: 1rem;
        animation: fadeInUp 0.6s ease-out 0.2s both;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
        animation: fadeInUp 0.8s ease-out 0.3s both;
        text-align: center;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card,
    .course-card {
        animation: fadeInUp 0.6s ease-out both;
        text-align: center;
    }
    
    .service-card:nth-child(n) {
        animation-delay: calc(0.1s * var(--index, 1));
    }
    
    .form-container {
        padding: 2rem;
        margin: 1rem;
        animation: slideInScale 0.6s ease-out;
        text-align: left;
    }
    
    .card-details {
        grid-template-columns: 1fr;
    }
    
    .payment-mode-grid {
        grid-template-columns: 1fr;
    }
    
    /* Reduce animations on mobile for performance */
    .floating-elements,
    .course-bg-animation {
        display: none;
    }
    
    * {
        animation-duration: 0.3s !important;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 2rem 0;
        animation: fadeIn 0.8s ease-out;
    }
    
    .hero h1 {
        font-size: 2rem;
        animation: fadeInUp 0.6s ease-out 0.2s both;
    }
    
    .service-card,
    .course-card {
        padding: 1.5rem;
        animation: fadeInUp 0.5s ease-out both;
    }
    
    .form-container {
        padding: 1.5rem;
        animation: fadeIn 0.5s ease-out;
    }
    
    /* Simplify animations for very small screens */
    .service-card:hover,
    .course-card:hover {
        transform: translateY(-5px) scale(1.01);
    }
}

/* Accessibility - Respect user preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .floating-elements,
    .course-bg-animation,
    .confetti {
        display: none !important;
    }
}

/* Performance optimizations */
.service-card,
.course-card,
.form-container,
.btn {
    will-change: transform, opacity;
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Smooth scrolling for the entire page */
html {
    scroll-behavior: smooth;
}

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

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--secondary-color), var(--primary-color));
}