:root {
    --primary-color: #AE4FA8;
    --secondary-color: #F9A02F;
    --accent-color: #96CEB4;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --bg-light: #F8F9FA;
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: #fff;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand img {
    height: 45px;
}

.navbar-nav .nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    margin: 0 15px;
    transition: color 0.3s ease;
}

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

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

/* Hero Section */
.hero {
    background: var(--gradient-purple);
    min-height: 60vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 40px 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="grad1" cx="50%" cy="50%" r="50%"><stop offset="0%" style="stop-color:rgba(255,255,255,0.1);stop-opacity:1" /><stop offset="100%" style="stop-color:rgba(255,255,255,0);stop-opacity:1" /></radialGradient></defs><circle cx="500" cy="500" r="400" fill="url(%23grad1)"/></svg>') no-repeat center;
    background-size: cover;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero h2 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.hero .lead {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
    font-weight: 400;
}

.btn-primary-custom {
    background: var(--primary-color);
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    color: white;
    text-decoration: none;
    display: inline-block;
}

.btn-primary-custom:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    color: white;
}

/* Search Section */
.search-section {
    background: white;
    padding: 80px 0;
}

.search-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    padding: 40px;
    margin-top: -50px;
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 100%;
}

.search-title {
    text-align: center;
    margin-bottom: 40px;
}

.search-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.search-title p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.search-form {
    background: var(--bg-light);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    align-items: end;
    gap: 15px;
    flex-wrap: wrap;
    width: 100%;
}

.form-group {
    flex: 1;
    min-width: 200px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-control, .form-select {
    border: 2px solid #E9ECEF;
    border-radius: 10px;
    padding: 12px 15px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
    width: 100%;
    max-width: 100%;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(78, 205, 196, 0.25);
    outline: none;
}

.search-btn {
    background: var(--primary-color);
    border: none;
    padding: 12px 25px;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
    height: fit-content;
    width: 100%;
    max-width: 200px;
}

.search-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Statistics section styles - prevent overflow */
.statistics-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 60px 0;
    color: white;
    overflow: hidden;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
    max-height: 200px;
    margin-bottom: 20px;
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 5px;
    line-height: 1.2;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 10px;
    line-height: 1.3;
}

.stat-description {
    font-size: 0.875rem;
    opacity: 0.8;
    line-height: 1.3;
}

.chart-container {
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin-top: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    max-height: 400px;
    overflow: hidden;
    width: 100%;
}

.recent-submissions-section {
    padding: 60px 0;
    background: #f8f9fa;
    overflow: hidden;
}

.submission-item {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    max-height: 150px;
    overflow: hidden;
}

.submission-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.contributors-section {
    padding: 60px 0;
    overflow: hidden;
}

.contributor-card {
    background: white;
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
    max-height: 250px;
    overflow: hidden;
    margin-bottom: 20px;
}

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

.contributor-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 24px;
    margin: 0 auto 15px auto;
    overflow: hidden;
    flex-shrink: 0;
}

.contributor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.type-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    color: white;
    margin: 2px;
    white-space: nowrap;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo img {
    height: 90px;
    margin-bottom: 20px;
}

.footer-contact p {
    margin-bottom: 8px;
    color: rgba(255,255,255,0.8);
}

.footer-links h5 {
    margin-bottom: 20px;
    font-weight: 600;
}

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

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.social-links a {
    color: rgba(255,255,255,0.8);
    font-size: 1.5rem;
    margin-left: 15px;
    transition: color 0.3s ease;
}

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

/* Container limits to prevent infinite scrolling */
.container {
    max-width: 1200px;
    overflow: hidden;
    padding-left: 15px;
    padding-right: 15px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
}

.col-lg-3, .col-lg-4, .col-lg-6, .col-md-6 {
    padding-left: 15px;
    padding-right: 15px;
    margin-bottom: 30px;
    position: relative;
    width: 100%;
}

/* Bootstrap-like responsive grid system */
.col-lg-3 {
    flex: 0 0 25%;
    max-width: 25%;
}

.col-lg-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
}

.col-lg-6 {
    flex: 0 0 50%;
    max-width: 50%;
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
}

/* RESPONSIVE BREAKPOINTS */

/* Large tablets and small desktops (992px and down) */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .search-title h2 {
        font-size: 2rem;
    }
    
    .col-lg-3 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .col-lg-4 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    
    .navbar-nav .nav-link {
        margin: 0 10px;
    }
}

/* Tablets (768px and down) */
@media (max-width: 768px) {
    .hero {
        min-height: 50vh;
        text-align: center;
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h2 {
        font-size: 1.25rem;
    }
    
    .hero .lead {
        font-size: 1.1rem;
    }
    
    .search-container {
        margin-top: -30px;
        padding: 30px 20px;
        border-radius: 15px;
    }
    
    .search-form {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }
    
    .form-group {
        min-width: 100%;
        flex: none;
    }
    
    .search-btn {
        max-width: 100%;
        margin-top: 10px;
    }
    
    .search-title h2 {
        font-size: 1.75rem;
    }
    
    .search-title p {
        font-size: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .social-links a {
        margin: 0 10px;
    }
    
    /* Make columns full width on tablets */
    .col-lg-3, .col-lg-4, .col-lg-6, .col-md-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .contributor-avatar {
        width: 60px;
        height: 60px;
        font-size: 20px;
    }
    
    .statistics-section, .recent-submissions-section, .contributors-section {
        padding: 40px 0;
    }
}

/* Mobile phones (576px and down) */
@media (max-width: 576px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .hero {
        min-height: 45vh;
        padding: 40px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .hero h2 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
    
    .hero .lead {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .btn-primary-custom {
        padding: 10px 25px;
        font-size: 0.9rem;
    }
    
    .search-container {
        padding: 20px 15px;
        margin-top: -20px;
    }
    
    .search-title h2 {
        font-size: 1.5rem;
        margin-bottom: 10px;
    }
    
    .search-title p {
        font-size: 0.9rem;
    }
    
    .search-form {
        padding: 15px;
        gap: 15px;
    }
    
    .form-control, .form-select {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    .search-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .navbar-brand img {
        height: 35px;
    }
    
    .navbar-nav .nav-link {
        font-size: 0.9rem;
        margin: 0 5px;
        padding: 8px 12px;
    }
    
    .stat-card {
        padding: 20px 15px;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
    
    .stat-description {
        font-size: 0.8rem;
    }
    
    .submission-item {
        padding: 15px;
        max-height: 120px;
    }
    
    .contributor-card {
        padding: 15px;
        max-height: 200px;
    }
    
    .contributor-avatar {
        width: 50px;
        height: 50px;
        font-size: 18px;
        margin-bottom: 10px;
    }
    
    .footer {
        padding: 40px 0 20px;
        margin-top: 60px;
    }
    
    .footer-logo img {
        height: 70px;
    }
    
    .footer-content {
        gap: 25px;
    }
    
    .social-links a {
        font-size: 1.25rem;
        margin: 0 8px;
    }
    
    .type-badge {
        font-size: 0.7rem;
        padding: 3px 6px;
    }
}

/* Extra small phones (480px and down) */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .hero h2 {
        font-size: 1rem;
    }
    
    .hero .lead {
        font-size: 0.95rem;
    }
    
    .search-title h2 {
        font-size: 1.35rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    .stat-description {
        font-size: 0.75rem;
    }
    
    .form-control, .form-select {
        font-size: 0.85rem;
        padding: 8px 10px;
    }
    
    .search-btn {
        font-size: 0.85rem;
        padding: 8px 15px;
    }
}

/* Prevent horizontal scrolling */
html, body {
    max-width: 100%;
    overflow-x: hidden;
}

/* Ensure all elements don't exceed viewport width */
* {
    max-width: 100%;
}

/* Fix for images and media */
img, video, iframe {
    max-width: 100%;
    height: auto;
}