* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding-top: 90px;
    padding-bottom: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 40px);
    max-width: 1160px;
    z-index: 1000;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 10px;
}

.nav-item {
    color: #718096;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 15px;
}

.nav-item:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

.nav-item.active {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
    font-weight: 600;
}

/* Bottom Navigation for Mobile */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 8px 0;
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    justify-content: space-around;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #718096;
    font-size: 11px;
    border-radius: 10px;
    min-width: 60px;
}

.bottom-nav-item i {
    font-size: 20px;
}

.bottom-nav-item.active {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

.bottom-nav-item.active i {
    color: #667eea;
}

.user-menu {
    display: flex;
    gap: 15px;
    align-items: center;
}

.points-badge {
    background: linear-gradient(45deg, #ffd89b 0%, #19547b 100%);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.points-text {
    display: inline;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: #4a5568;
    border: 1px solid #e2e8f0;
}

.hero-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 25px;
    padding: 50px 40px;
    margin-bottom: 30px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.hero-title {
    font-size: 38px;
    font-weight: bold;
    color: #2d3748;
    margin-bottom: 15px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 16px;
    color: #718096;
    margin-bottom: 30px;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-btn {
    font-size: 15px;
    padding: 12px 25px;
    border-radius: 12px;
    font-weight: 600;
}

/* Artikel Page Styles */
.artikel-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.artikel-hero {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 15px;
}

.artikel-hero h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 700;
}

.artikel-hero h1 i {
    margin-right: 15px;
    color: #3498db;
}

.artikel-hero p {
    font-size: 1.2rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

/* Filter Section */
.artikel-filter-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.artikel-filter-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.artikel-filter-tab {
    padding: 10px 20px;
    border: 2px solid #e0e0e0;
    background: white;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    color: #7f8c8d;
}

.artikel-filter-tab:hover {
    border-color: #3498db;
    color: #3498db;
}

.artikel-filter-tab.active {
    background: #3498db;
    color: white;
    border-color: #3498db;
}

.artikel-search-box {
    display: flex;
    gap: 10px;
}

.artikel-search-input {
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    width: 250px;
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
}

.artikel-search-input:focus {
    outline: none;
    border-color: #3498db;
}

.artikel-search-btn {
    padding: 10px 20px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: background 0.3s ease;
    font-weight: 500;
}

.artikel-search-btn:hover {
    background: #2980b9;
}

/* Artikel Grid */
.artikel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.artikel-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.artikel-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.artikel-thumbnail {
    height: 180px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.artikel-icon {
    font-size: 3rem;
    color: white;
}

.artikel-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #e74c3c;
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.artikel-content {
    padding: 25px;
}

.artikel-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 0.85rem;
}

.artikel-category {
    background: #ecf0f1;
    color: #7f8c8d;
    padding: 4px 12px;
    border-radius: 15px;
    font-weight: 500;
}

.artikel-date {
    color: #95a5a6;
}

.artikel-title {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 15px;
    line-height: 1.4;
    font-weight: 600;
}

.artikel-excerpt {
    color: #7f8c8d;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.artikel-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
}

.artikel-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 40px;
    height: 40px;
    background: #3498db;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: #2c3e50;
    font-size: 0.9rem;
}

.artikel-read-time {
    font-size: 0.8rem;
    color: #95a5a6;
}

.artikel-stats {
    display: flex;
    gap: 15px;
    font-size: 0.85rem;
    color: #95a5a6;
}

.artikel-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Modal Styles */
.artikel-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 1000;
    overflow-y: auto;
    padding: 20px;
    box-sizing: border-box;
}

.artikel-modal-content {
    background: white;
    max-width: 800px;
    margin: 40px auto;
    border-radius: 15px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.artikel-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #7f8c8d;
    cursor: pointer;
    z-index: 10;
    transition: color 0.3s ease;
}

.artikel-modal-close:hover {
    color: #e74c3c;
}

.artikel-modal-header {
    padding: 40px 40px 20px;
    border-bottom: 1px solid #ecf0f1;
}

.artikel-modal-title {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.3;
}

.artikel-modal-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.artikel-modal-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.artikel-modal-author .author-avatar {
    width: 50px;
    height: 50px;
    font-size: 1rem;
}

.artikel-meta-details {
    color: #95a5a6;
    font-size: 0.9rem;
}

.artikel-modal-category span {
    background: #3498db;
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.artikel-modal-body {
    padding: 30px 40px;
    line-height: 1.7;
    color: #2c3e50;
}

.artikel-modal-body h2 {
    color: #2c3e50;
    margin: 30px 0 15px;
    font-size: 1.5rem;
}

.artikel-modal-body h3 {
    color: #34495e;
    margin: 25px 0 12px;
    font-size: 1.2rem;
}

.artikel-modal-body p {
    margin-bottom: 15px;
}

.artikel-modal-body ul, .artikel-modal-body ol {
    margin: 15px 0;
    padding-left: 25px;
}

.artikel-modal-body li {
    margin-bottom: 8px;
}

.artikel-tip-box {
    background: #e8f4fd;
    border-left: 4px solid #3498db;
    padding: 20px;
    margin: 25px 0;
    border-radius: 0 8px 8px 0;
}

.artikel-tip-box strong {
    color: #2980b9;
    display: block;
    margin-bottom: 8px;
}

/* Reaction Section */
.artikel-reaction-section {
    padding: 30px 40px;
    border-top: 1px solid #ecf0f1;
    border-bottom: 1px solid #ecf0f1;
}

.artikel-reaction-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.artikel-reaction-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    color: #495057;
}

.artikel-reaction-btn:hover {
    background: #e9ecef;
    transform: translateY(-2px);
}

.artikel-reaction-active {
    background: #3498db !important;
    color: white !important;
    border-color: #3498db !important;
}

/* Comment Section */
.artikel-comment-section {
    padding: 30px 40px;
}

.artikel-comment-input-area {
    margin-bottom: 30px;
}

.artikel-comment-input {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    resize: vertical;
    min-height: 100px;
    margin-bottom: 15px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.artikel-comment-input:focus {
    outline: none;
    border-color: #3498db;
}

.artikel-comment-submit {
    padding: 10px 25px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: background 0.3s ease;
    font-weight: 500;
}

.artikel-comment-submit:hover {
    background: #2980b9;
}

.artikel-comments-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.artikel-comment-item {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.comment-avatar {
    width: 40px;
    height: 40px;
    background: #95a5a6;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.comment-content {
    flex: 1;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    align-items: center;
}

.comment-author {
    font-weight: 600;
    color: #2c3e50;
}

.comment-time {
    font-size: 0.85rem;
    color: #95a5a6;
}

.comment-text {
    color: #2c3e50;
    line-height: 1.5;
    margin-bottom: 10px;
}

.comment-actions {
    display: flex;
    gap: 15px;
}

.comment-action-btn {
    background: none;
    border: none;
    color: #3498db;
    cursor: pointer;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.comment-action-btn:hover {
    color: #2980b9;
}

/* No Articles Message */
.no-articles-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: #7f8c8d;
}

.no-articles-message i {
    font-size: 4rem;
    margin-bottom: 20px;
    color: #bdc3c7;
}

.no-articles-message h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #95a5a6;
}

/* Notification */
.artikel-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #27ae60;
    color: white;
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    z-index: 1100;
    transform: translateX(400px);
    transition: transform 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .artikel-container {
        padding: 20px 15px;
    }
    
    .artikel-hero {
        padding: 30px 20px;
    }
    
    .artikel-hero h1 {
        font-size: 2rem;
    }
    
    .artikel-filter-section {
        flex-direction: column;
        align-items: stretch;
    }
    
    .artikel-search-box {
        width: 100%;
    }
    
    .artikel-search-input {
        flex: 1;
    }
    
    .artikel-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .artikel-modal-content {
        margin: 20px auto;
    }
    
    .artikel-modal-header,
    .artikel-modal-body,
    .artikel-reaction-section,
    .artikel-comment-section {
        padding: 25px;
    }
    
    .artikel-modal-title {
        font-size: 1.5rem;
    }
    
    .artikel-modal-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .artikel-reaction-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .artikel-hero h1 {
        font-size: 1.7rem;
    }
    
    .artikel-filter-tabs {
        justify-content: center;
    }
    
    .artikel-footer {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .artikel-stats {
        align-self: flex-end;
    }
}

/* Stats Section - Improved for Mobile */
.stats-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.stat-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.stat-content {
    text-align: left;
    flex: 1;
}

.stat-number {
    font-size: 20px;
    font-weight: bold;
    color: #2d3748;
    margin-bottom: 2px;
    line-height: 1;
}

.stat-label {
    font-size: 12px;
    color: #718096;
    font-weight: 500;
}

.why-join-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px 30px;
    margin-bottom: 30px;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.1);
}

.section-title {
    font-size: 22px;
    color: #2d3748;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: rgba(102, 126, 234, 0.05);
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
    border-left: 3px solid transparent;
}

.benefit-item:hover {
    background: rgba(102, 126, 234, 0.1);
    border-left-color: #667eea;
    transform: translateX(5px);
}

.benefit-icon {
    min-width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
    font-size: 18px;
}

.benefit-text h3 {
    font-size: 16px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 6px;
}

.benefit-text p {
    color: #718096;
    line-height: 1.5;
    font-size: 13px;
}

.rewards-section {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 20px;
    text-align: center;
}

.rewards-title {
    font-size: 18px;
    color: #8b4513;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
}

.reward-items {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.reward-item {
    background: rgba(255, 255, 255, 0.9);
    padding: 15px;
    border-radius: 12px;
    flex: 1;
    min-width: 140px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.reward-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.main-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}

.content-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.discussion-card {
    background: #f7fafc;
    border-radius: 12px;
    padding: 18px;
    margin-bottom: 15px;
    border-left: 3px solid #667eea;
    transition: all 0.3s ease;
    cursor: pointer;
}

.discussion-card:hover {
    background: #edf2f7;
    transform: translateX(5px);
}

.discussion-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 13px;
    flex-shrink: 0;
}

.user-info {
    flex: 1;
}

.username {
    font-weight: 600;
    color: #2d3748;
    font-size: 14px;
}

.user-major {
    font-size: 11px;
    color: #718096;
}

.discussion-title {
    font-size: 15px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
}

.discussion-preview {
    color: #718096;
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 12px;
}

.discussion-stats {
    display: flex;
    gap: 15px;
    font-size: 11px;
    color: #718096;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 55px;
    height: 55px;
    margin: 0 auto 12px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 22px;
}

.service-title {
    font-size: 16px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
}

.service-desc {
    color: #718096;
    font-size: 13px;
    line-height: 1.5;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px 30px 20px;
    margin-top: 40px;
    box-shadow: 0 -5px 25px rgba(0, 0, 0, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    font-size: 20px;
    font-weight: bold;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.footer-title {
    margin-bottom: 10px;
}

.footer-desc {
    color: #718096;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.footer-subtitle {
    font-size: 16px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 12px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #718096;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: #667eea;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.social-link {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
    color: #718096;
    font-size: 13px;
}

.chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    color: white;
    transition: all 0.3s ease;
    z-index: 999;
    font-size: 24px;
}

.chat-widget:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 2000;
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 20px;
    max-width: 500px;
    position: relative;
    animation: modalSlideIn 0.3s ease;
    max-height: 85vh;
    overflow-y: auto;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    cursor: pointer;
    color: #718096;
    background: none;
    border: none;
    padding: 5px;
    border-radius: 5px;
    transition: background 0.3s ease;
    font-size: 20px;
}

.close:hover {
    background: rgba(113, 128, 150, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2d3748;
    font-size: 14px;
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.status-tracker {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 20px;
    margin-top: 20px;
}

.status-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.status-step {
    flex: 1;
    text-align: center;
    position: relative;
    font-size: 12px;
}

.status-step::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: #e2e8f0;
    z-index: 1;
}

.status-step:last-child::before {
    display: none;
}

.status-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    position: relative;
    z-index: 2;
    color: #718096;
}

.status-step.active .status-icon {
    background: #667eea;
    color: white;
}

.status-step.completed .status-icon {
    background: #48bb78;
    color: white;
}

.section {
    display: block;
}

.section.hidden {
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding-top: 90px;
        padding-bottom: 80px;
    }
    
    .container {
        padding: 15px;
    }
    
    .header {
        padding: 15px 20px;
        width: calc(100% - 30px);
    }
    
    .nav {
        display: none;
    }
    
    .bottom-nav {
        display: flex;
    }
    
    .logo {
        font-size: 22px;
    }
    
    .user-menu {
        gap: 8px;
    }
    
    .points-badge {
        font-size: 12px;
        padding: 6px 10px;
    }
    
    .points-text {
        display: none;
    }
    
    .btn {
        padding: 8px 15px;
        font-size: 13px;
    }
    
    .hero-section {
        padding: 35px 20px;
        margin-bottom: 20px;
    }
    
    .hero-title {
        font-size: 26px;
    }
    
    .hero-subtitle {
        font-size: 14px;
        margin-bottom: 25px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Stats Section Mobile - Single Column */
    .stats-section {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-bottom: 20px;
    }
    
    .stat-card {
        padding: 15px;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 22px;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 13px;
    }
    
    .why-join-section {
        padding: 30px 20px;
        margin-bottom: 20px;
    }
    
    .section-title {
        font-size: 18px;
        margin-bottom: 20px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-top: 20px;
    }
    
    .benefit-item {
        padding: 15px;
    }
    
    .rewards-section {
        padding: 18px;
        margin-bottom: 15px;
    }
    
    .rewards-title {
        font-size: 16px;
    }
    
    .reward-items {
        flex-direction: column;
    }
    
    .reward-item {
        min-width: auto;
    }
    
    .main-content {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-bottom: 20px;
    }
    
    .content-section {
        padding: 20px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .footer {
        display: none;
    }
    
    .chat-widget {
        bottom: 90px;
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .modal-content {
        margin: 10% 15px;
        padding: 25px 20px;
        max-width: none;
        max-height: 80vh;
    }
    
    .status-steps {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .status-step {
        flex: 0 0 calc(50% - 8px);
    }
    
    .status-step::before {
        display: none;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .stats-section {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}