/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

:root {
    --primary-color: #2ecc71;
    --secondary-color: #27ae60;
    --accent-color: #f1c40f;
    --text-color: #2c3e50;
    --light-gray: #ecf0f1;
    --dark-gray: #34495e;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    background-color: var(--light-gray);
    color: var(--text-color);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 1rem;
}

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

.nav-links a:hover::before {
    width: 100%;
}

.nav-links a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1532996122724-e3c354a0b15b?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 1rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.2), rgba(39, 174, 96, 0.2));
    animation: particleMove 20s linear infinite;
    opacity: 0.3;
}

.hero-content {
    max-width: 800px;
    color: var(--white);
    animation: scaleIn 1s ease-out;
    position: relative;
    z-index: 1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s;
    opacity: 0;
    animation-fill-mode: forwards;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Add a scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--white);
    font-size: 2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-30px);
    }
    60% {
        transform: translateY(-15px);
    }
}

.stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.4s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.stat-item .counter {
    font-size: 3rem;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.cta-btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    background: var(--accent-color);
    color: var(--text-color);
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    animation: fadeInUp 1s ease 0.6s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* Upload Section */
.upload-section {
    padding: 5rem 1rem;
    background: var(--white);
}

.upload-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.upload-container {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.upload-area {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(39, 174, 96, 0.1));
    border: 2px dashed var(--primary-color);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.upload-area::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.upload-btn {
    padding: 0.8rem 1.5rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 25px;
    cursor: pointer;
    margin: 1rem 0;
    transition: var(--transition);
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.file-info {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

.upload-preview {
    border-radius: 10px;
    overflow: hidden;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-preview img {
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
}

/* Rewards Section */
.rewards-section {
    padding: 5rem 1rem;
    background: var(--light-gray);
}

.rewards-section h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.rewards-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
}

.points-card {
    background: var(--white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.points-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.points-header i {
    font-size: 2rem;
    color: var(--accent-color);
}

.points-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
}

.points-history {
    border-top: 1px solid var(--light-gray);
    padding-top: 1rem;
}

.points-history h4 {
    margin-bottom: 1rem;
}

.points-history ul {
    list-style: none;
}

.points-history li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--light-gray);
}

.rewards-catalog {
    background: var(--white);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.rewards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

/* Leaderboard Section */
.leaderboard-section {
    padding: 5rem 1rem;
    background: var(--white);
}

.leaderboard-section h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.leaderboard-container {
    max-width: 800px;
    margin: 0 auto;
}

.leaderboard-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 0.5rem 1.5rem;
    border: none;
    background: var(--light-gray);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

.leaderboard-list {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 1rem;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1001;
}

.modal-content {
    position: relative;
    background: linear-gradient(135deg, var(--white), var(--light-gray));
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    transform: scale(0.8);
    opacity: 0;
    transition: all 0.3s ease;
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-gray);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group input {
    width: 100%;
    padding: 1rem;
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.2);
    transform: translateY(-2px);
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(46, 204, 113, 0.3);
}

.submit-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.submit-btn:hover::after {
    width: 300px;
    height: 300px;
}

.switch-form {
    text-align: center;
    margin-top: 1rem;
}

.switch-form a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Footer */
footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 3rem 1rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .upload-container {
        grid-template-columns: 1fr;
    }

    .rewards-container {
        grid-template-columns: 1fr;
    }

    .rewards-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

/* Loading Animation */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Enhanced Animations */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

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

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Logo Animation */
.logo i {
    animation: float 3s ease-in-out infinite;
}

.logo span {
    animation: slideIn 0.8s ease-out;
}

/* Enhanced Stats Animation */
.stat-item {
    animation: scaleIn 0.5s ease-out;
    animation-fill-mode: both;
}

.stat-item:nth-child(1) { animation-delay: 0.3s; }
.stat-item:nth-child(2) { animation-delay: 0.6s; }
.stat-item:nth-child(3) { animation-delay: 0.9s; }

/* Enhanced Upload Section */
.upload-area {
    transition: all 0.3s ease;
    animation: slideIn 0.8s ease-out;
}

.upload-area:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(46, 204, 113, 0.2);
}

.upload-area i {
    transition: transform 0.3s ease;
}

.upload-area:hover i {
    transform: scale(1.1) rotate(10deg);
}

.upload-preview {
    animation: slideInRight 0.8s ease-out;
}

/* Enhanced Points Card */
.points-card {
    animation: slideIn 0.8s ease-out;
    transition: transform 0.3s ease;
}

.points-card:hover {
    transform: translateY(-5px);
}

.points-header i {
    animation: rotate 2s linear infinite;
}

/* Enhanced Rewards Grid */
.rewards-grid {
    animation: fadeInUp 1s ease-out;
}

.rewards-grid > * {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.rewards-grid > *:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Enhanced Leaderboard */
.leaderboard-item {
    animation: slideIn 0.5s ease-out;
    animation-fill-mode: both;
    transition: transform 0.3s ease;
}

.leaderboard-item:hover {
    transform: translateX(10px);
}

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

/* Enhanced Modal */
.modal-content {
    animation: scaleIn 0.3s ease-out;
}

/* Enhanced Form Inputs */
.form-group input {
    transition: all 0.3s ease;
}

.form-group input:focus {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46, 204, 113, 0.2);
}

/* Enhanced Buttons */
.cta-btn, .upload-btn, .submit-btn {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-btn:hover, .upload-btn:hover, .submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.cta-btn::after, .upload-btn::after, .submit-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.cta-btn:hover::after, .upload-btn:hover::after, .submit-btn:hover::after {
    width: 300px;
    height: 300px;
}

/* Enhanced Navigation */
.nav-links a {
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Enhanced Mobile Menu */
.hamburger span {
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Notification Animation */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 5px;
    box-shadow: var(--shadow);
    transform: translateX(120%);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.notification.show {
    transform: translateX(0);
}

/* Loading Animation Enhancement */
.loading::after {
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.4), 
        transparent
    );
    animation: loading 2s infinite;
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    z-index: 1000;
    transition: width 0.1s ease;
}

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

/* Enhanced Rewards Section */
.reward-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.reward-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.reward-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.reward-card:hover i {
    transform: scale(1.2) rotate(360deg);
}

.reward-card h4 {
    margin: 1rem 0;
    color: var(--text-color);
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.reward-description {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.reward-points {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
    font-weight: 600;
}

.reward-points i {
    font-size: 1.2rem;
    margin: 0;
}

.redeem-btn {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    width: 100%;
    font-weight: 600;
}

.redeem-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46, 204, 113, 0.3);
}

.redeem-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

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

.redeem-btn.loading .btn-text {
    display: none;
}

.redeem-btn.loading .btn-loading {
    display: inline-block;
}

.redeem-btn .btn-loading {
    display: none;
}

.redeem-btn.success {
    background: var(--accent-color);
}

.redeem-btn.shake {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Enhanced Points History */
.points-history li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.points-history li:hover {
    background: var(--light-gray);
}

.points-earned {
    color: var(--primary-color);
}

.points-redeemed {
    color: var(--accent-color);
}

.points-value {
    font-weight: 600;
    min-width: 60px;
}

.points-description {
    flex: 1;
    font-size: 0.9rem;
}

.points-time {
    color: var(--dark-gray);
    font-size: 0.8rem;
}

/* Loading Animation for Buttons */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fa-spinner {
    animation: spin 1s linear infinite;
}

/* Enhanced Leaderboard */
.leaderboard-item {
    background: var(--white);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.leaderboard-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.leaderboard-item:hover::before {
    transform: scaleY(1);
}

.leaderboard-item .rank {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 40px;
    text-align: center;
}

.leaderboard-item .name {
    flex: 1;
    font-weight: 500;
}

.leaderboard-item .points {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
}

/* Enhanced Modal */
.modal-content {
    background: linear-gradient(135deg, var(--white), var(--light-gray));
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    transform: scale(0.8);
    opacity: 0;
    transition: all 0.3s ease;
}

.modal.show .modal-content {
    transform: scale(1);
    opacity: 1;
}

/* Enhanced Form Inputs */
.form-group input {
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    padding: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.2);
    transform: translateY(-2px);
}

/* Enhanced Buttons */
.cta-btn, .upload-btn, .submit-btn {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-btn:hover, .upload-btn:hover, .submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(46, 204, 113, 0.3);
}

/* Enhanced Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-links a {
    position: relative;
    padding: 0.5rem 1rem;
}

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

.nav-links a:hover::before {
    width: 100%;
}

/* Enhanced Mobile Menu */
.nav-links.active {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transform: translateY(-20px);
    opacity: 0;
    transition: all 0.3s ease;
}

.nav-links.active.show {
    transform: translateY(0);
    opacity: 1;
}

/* Contact Section Styles */
.contact-section {
    padding: 80px 20px;
    background-color: #f8f9fa;
}

.contact-section h2 {
    text-align: center;
    margin-bottom: 50px;
    color: #2c3e50;
    font-size: 2.5rem;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    display: grid;
    gap: 30px;
}

.info-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
}

.info-card i {
    font-size: 2rem;
    color: #2ecc71;
    margin-bottom: 15px;
}

.info-card h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.info-card p {
    color: #666;
    line-height: 1.6;
}

.contact-form-container {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.contact-form {
    display: grid;
    gap: 20px;
}

.contact-form .form-group {
    display: grid;
    gap: 8px;
}

.contact-form label {
    color: #2c3e50;
    font-weight: 500;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #2ecc71;
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .submit-btn {
    background-color: #2ecc71;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.contact-form .submit-btn:hover {
    background-color: #27ae60;
}

/* Responsive Design */
@media (max-width: 768px) {
    .contact-container {
        grid-template-columns: 1fr;
    }

    .contact-section {
        padding: 60px 20px;
    }

    .contact-form-container {
        padding: 30px;
    }
}

/* Animation for form submission */
@keyframes formSubmitted {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.form-submitted {
    animation: formSubmitted 0.3s ease;
}

/* Refer a Friend Section */
.refer-section {
    padding: 60px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.refer-container {
    max-width: 800px;
    margin: 0 auto;
}

.refer-content {
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.refer-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.refer-content p {
    margin-bottom: 2rem;
    opacity: 0.9;
}

.refer-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.refer-form .form-group {
    flex: 1;
}

.refer-form input {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.refer-form input:focus {
    outline: none;
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.refer-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 25px;
    background: var(--accent-color);
    color: var(--text-color);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.refer-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.refer-btn i {
    transition: transform 0.3s ease;
}

.refer-btn:hover i {
    transform: translateX(5px);
}

.refer-rewards {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.reward-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.reward-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.reward-item i {
    font-size: 1.2rem;
    color: var(--accent-color);
}

.reward-item span {
    font-weight: 500;
}

/* Responsive Design for Refer Section */
@media (max-width: 768px) {
    .refer-form {
        flex-direction: column;
    }

    .refer-rewards {
        flex-direction: column;
        gap: 1rem;
    }

    .refer-content {
        padding: 30px 20px;
    }

    .refer-content h2 {
        font-size: 1.8rem;
    }
}

/* Redeemed Items Section */
.redeemed-section {
    padding: 80px 20px;
    background: var(--light-gray);
}

.redeemed-section h2 {
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-color);
    font-size: 2.5rem;
}

.redeemed-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.redeemed-list {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.redeemed-item {
    display: flex;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--light-gray);
    transition: all 0.3s ease;
}

.redeemed-item:last-child {
    border-bottom: none;
}

.redeemed-item:hover {
    background: var(--light-gray);
    transform: translateX(10px);
}

.redeemed-item-icon {
    width: 60px;
    height: 60px;
    background: var(--light-gray);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    transition: all 0.3s ease;
}

.redeemed-item-icon i {
    font-size: 1.8rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.redeemed-item:hover .redeemed-item-icon {
    background: var(--primary-color);
    transform: scale(1.1);
}

.redeemed-item:hover .redeemed-item-icon i {
    color: var(--white);
}

.redeemed-item-info {
    flex: 1;
}

.redeemed-item-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 5px;
}

.redeemed-item-date {
    font-size: 0.9rem;
    color: var(--dark-gray);
}

.redeemed-item-points {
    background: var(--accent-color);
    color: var(--text-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
}

.redeemed-stats {
    display: grid;
    gap: 20px;
}

.stat-card {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.stat-card h3 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

.stat-card .counter {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Responsive Design for Redeemed Section */
@media (max-width: 768px) {
    .redeemed-container {
        grid-template-columns: 1fr;
    }

    .redeemed-section {
        padding: 60px 20px;
    }

    .redeemed-item {
        flex-direction: column;
        text-align: center;
        padding: 15px;
    }

    .redeemed-item-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }

    .redeemed-item-points {
        margin-top: 10px;
    }
}