/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hidden {
    display: none !important;
}

/* ===== NAVIGATION ===== */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(74, 144, 226, 0.1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.12);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    position: relative;
}

/* Logo Styles */
.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #3b82f6;
    font-weight: 700;
    transition: all 0.3s ease;
    z-index: 1001;
}

.nav-logo:hover {
    transform: scale(1.02);
}

.nav-logo img {
    height: 50px;
    margin-right: 12px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #3b82f6;
    margin: 0;
}

.logo-subtitle {
    font-size: 0.75rem;
    font-weight: 500;
    color: #6366f1;
    opacity: 0.8;
    margin: 0;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 8px;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 12px 16px;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.nav-link i {
    font-size: 0.9rem;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: #3b82f6;
    background: rgba(74, 144, 226, 0.08);
    transform: translateY(-1px);
}

.nav-link:hover i {
    opacity: 1;
    transform: scale(1.1);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 144, 226, 0.1), transparent);
    transition: left 0.5s ease;
}

.nav-link:hover::before {
    left: 100%;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-toggle .fa-chevron-down {
    font-size: 0.7rem;
    margin-left: 4px;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle .fa-chevron-down {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 220px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    list-style: none;
    padding: 8px;
    margin: 8px 0 0 0;
    border: 1px solid rgba(74, 144, 226, 0.1);
    z-index: 1002;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: #374151;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.9rem;
}

.dropdown-link:hover {
    background: rgba(74, 144, 226, 0.08);
    color: #3b82f6;
    transform: translateX(4px);
}

.dropdown-link i {
    font-size: 0.9rem;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.dropdown-link:hover i {
    opacity: 1;
    transform: scale(1.1);
}

/* Navigation Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: white;
    padding: 14px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(74, 144, 226, 0.3);
    position: relative;
    overflow: hidden;
}

.nav-cta::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 0.5s ease;
}

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

.nav-cta:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 30px rgba(74, 144, 226, 0.4);
}

.nav-cta i {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.nav-cta:hover i {
    transform: scale(1.1);
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
    z-index: 1001;
}

.nav-toggle:hover {
    background: rgba(74, 144, 226, 0.1);
}

.hamburger-line {
    width: 24px;
    height: 3px;
    background: #3b82f6;
    margin: 3px 0;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

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

/* Tablet Navigation */
@media (max-width: 1024px) and (min-width: 769px) {
    .nav-container {
        padding: 0 20px;
    }
    
    .nav-menu {
        gap: 4px;
    }
    
    .nav-link {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    .nav-cta {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .logo-title {
        font-size: 1.3rem;
    }
    
    .logo-subtitle {
        font-size: 0.7rem;
    }
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
        height: 70px;
    }
    
    .nav-menu {
        display: flex;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 20px;
        gap: 0;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-item {
        width: 100%;
        border-bottom: 1px solid rgba(74, 144, 226, 0.1);
    }
    
    .nav-item:last-child {
        border-bottom: none;
    }
    
    .nav-link {
        width: 100%;
        padding: 16px 20px;
        font-size: 1rem;
        border-radius: 0;
        justify-content: flex-start;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-actions {
        gap: 12px;
    }
    
    .nav-cta {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
    
    .nav-logo {
        font-size: 1.1rem;
    }
    
    .nav-logo img {
        height: 42px;
    }
    
    .logo-title {
        font-size: 1.2rem;
    }
    
    .logo-subtitle {
        font-size: 0.7rem;
    }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    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 0.5s;
}

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

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-accent {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.6);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* ===== SECTIONS ===== */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* File Information specific subtitle styling */
.file-info-content .section-subtitle {
    margin: 0 0 1rem 0;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: #374151;
}

.file-info-content .section-subtitle i {
    color: #3b82f6;
}

/* Stats grid styling with indentation */
.stats-grid {
    margin-left: 1.5rem;
}

.stats-grid .stat-item {
    margin-bottom: 0.75rem;
    color: #6b7280;
}

.stats-grid .stat-item strong {
    color: #374151;
}

/* ===== STANDARDIZED SECTION TYPES ===== */
/* Light sections - for workflow, team, contact, etc. */
.section-light {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.section-light::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(59, 130, 246, 0.3) 50%, transparent 100%);
}

.section-light::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 75% 75%, rgba(99, 102, 241, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* Dark sections - for features, technologies, etc. */
.section-dark {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

.section-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(148, 163, 184, 0.4) 50%, transparent 100%);
}

/* Workflow timeline styles - specific to workflow functionality */

.workflow-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.workflow-step {
    display: flex;
    align-items: flex-start;
    gap: 2.5rem;
    margin-bottom: 4rem;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

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

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.workflow-step:last-child {
    margin-bottom: 0;
}

.step-connector {
    position: absolute;
    left: 35px;
    top: 70px;
    bottom: -4rem;
    width: 3px;
    background: linear-gradient(180deg, #3b82f6 0%, #6366f1 50%, #e2e8f0 100%);
    border-radius: 2px;
    overflow: hidden;
}

.step-connector::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: linear-gradient(180deg, #60a5fa 0%, #3b82f6 100%);
    animation: progressLine 2s ease-in-out forwards;
    animation-delay: 0.5s;
}

@keyframes progressLine {
    to { height: 100%; }
}

.workflow-step:last-child .step-connector {
    display: none;
}

.step-circle {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 50%, #2563eb 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    flex-shrink: 0;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
    position: relative;
    z-index: 2;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 3px solid white;
}

.step-circle::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(135deg, #3b82f6, #6366f1, #2563eb);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transform: scale(1.2);
    transition: all 0.4s ease;
}

.workflow-step:hover .step-circle {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.6);
}

.workflow-step:hover .step-circle::before {
    opacity: 0.3;
    transform: scale(1);
}

.step-content {
    flex: 1;
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.step-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #3b82f6 0%, #6366f1 100%);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.4s ease;
}

.workflow-step:hover .step-content {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.2);
}

.workflow-step:hover .step-content::before {
    transform: scaleY(1);
}

.step-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.workflow-step:hover .step-title {
    color: #3b82f6;
}

.step-description {
    color: #64748b;
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-size: 1.05rem;
    transition: color 0.3s ease;
}

.workflow-step:hover .step-description {
    color: #475569;
}

.step-features {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.feature-tag {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    color: #2563eb;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

.feature-tag:hover {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.feature-tag:hover::before {
    left: 100%;
}

/* ===== FOOTER ===== */
.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: 3rem 0 2rem;
    position: relative;
    overflow: hidden;
    border-top: 1px solid #1e293b;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #60a5fa, transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
    align-items: start;
}

.footer-brand {
    max-width: 350px;
}

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

.footer-logo img {
    height: 90px;
    object-fit: contain;
}

.footer-logo h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.footer-description {
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 0;
    font-size: 0.95rem;
}

.sponsor-logos {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
}

.sponsor-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: rgba(51, 65, 85, 0.2);
    border: 1px solid rgba(100, 116, 139, 0.1);
    width: 100%;
    max-width: 200px;
    text-decoration: none;
    color: inherit;
}

.sponsor-item:hover {
    background: rgba(51, 65, 85, 0.4);
    border-color: rgba(96, 165, 250, 0.3);
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    text-decoration: none;
    color: inherit;
}

.sponsor-logo {
    width: 40px;
    height: 30px;
    object-fit: contain;
    filter: grayscale(100%) brightness(0.8);
    transition: all 0.3s ease;
    opacity: 0.8;
    flex-shrink: 0;
}

.sponsor-item:hover .sponsor-logo {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
    transform: scale(1.05);
}

.sponsor-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: #94a3b8;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.sponsor-item:hover .sponsor-name {
    color: #60a5fa;
}

.footer-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #e2e8f0;
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 30px;
    height: 2px;
    background: #60a5fa;
}

.footer-section h4 {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section p {
    line-height: 1.6;
    color: #94a3b8;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section ul li a:hover {
    color: #60a5fa;
    transform: translateX(5px);
}

.footer-section ul li a i {
    font-size: 0.9rem;
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom-left {
    color: #64748b;
    font-size: 0.9rem;
}

.footer-bottom-right {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.footer-bottom a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #60a5fa;
}

/* ===== RESPONSIVE DESIGN ===== */

@media (max-width: 768px) {
    /* Navbar Mobile Styles */
    .navbar {
        height: auto;
    }
    
    .nav-container {
        height: 70px;
        padding: 0 16px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 20px;
        gap: 0;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-item {
        width: 100%;
        border-bottom: 1px solid rgba(74, 144, 226, 0.1);
    }
    
    .nav-item:last-child {
        border-bottom: none;
    }
    
    .nav-link {
        width: 100%;
        padding: 16px 20px;
        font-size: 1rem;
        border-radius: 0;
        justify-content: flex-start;
    }
    
    .nav-link i {
        font-size: 1.1rem;
        margin-right: 4px;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: rgba(74, 144, 226, 0.05);
        margin: 0;
        padding: 0;
        border-radius: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .dropdown.active .dropdown-menu {
        max-height: 200px;
    }
    
    .dropdown-link {
        padding: 12px 40px;
        font-size: 0.95rem;
    }
    
    .dropdown-toggle .fa-chevron-down {
        margin-left: auto;
    }
    
    .nav-actions {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 1003;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active ~ .nav-actions {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-cta {
        padding: 16px 32px;
        font-size: 1rem;
        border-radius: 50px;
        box-shadow: 0 8px 30px rgba(74, 144, 226, 0.4);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .logo-title {
        font-size: 1.2rem;
    }
    
    .logo-subtitle {
        font-size: 0.7rem;
    }
    
    /* Existing responsive styles */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding-top: 140px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 2rem;
        transform: none !important;
        scale: none !important;
    }
    
    .feature-card:hover {
        transform: translateY(-4px) !important;
        scale: 1 !important;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .feature-stats {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .stat-item {
        min-width: auto;
        justify-content: center;
    }
    
    .workflow-step {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .step-connector {
        display: none;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .cta-stats {
        justify-content: center;
    }
    
    .cta-actions {
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        text-align: left;
        gap: 2rem;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .sponsor-logos {
        align-items: center;
        gap: 1rem;
    }
    
    .sponsor-item {
        max-width: 180px;
    }
}

@media (max-width: 480px) {
    /* Navbar Mobile Small Screens */
    .nav-container {
        height: 65px;
        padding: 0 16px;
    }
    
    .nav-menu {
        top: 65px;
        height: calc(100vh - 65px);
        padding: 16px;
    }
    
    .nav-logo img {
        height: 38px;
    }
    
    .logo-title {
        font-size: 1.1rem;
    }
    
    .logo-subtitle {
        font-size: 0.65rem;
    }
    
    .nav-link {
        padding: 14px 16px;
        font-size: 0.95rem;
    }
    
    .nav-cta {
        padding: 12px 20px;
        font-size: 0.85rem;
    }
    
    .nav-toggle {
        padding: 6px;
    }
    
    .hamburger-line {
        width: 22px;
        height: 2.5px;
    }
    
    /* Existing styles */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .footer-brand {
        grid-column: 1;
    }
    
    .sponsor-logos {
        align-items: center;
        gap: 0.8rem;
    }
    
    .sponsor-item {
        max-width: 160px;
        padding: 0.5rem;
    }
    
    .sponsor-logo {
        width: 35px;
        height: 25px;
    }
    
    .sponsor-name {
        font-size: 0.8rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-stats {
        flex-direction: column;
        gap: 1rem;
    }
}

/* ===== PARTICIPATING INSTITUTIONS ===== */
.participating-institutions {
    position: relative;
    overflow: hidden;
}

.institutions-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 3rem;
    align-items: center;
    justify-items: center;
    margin-top: 2rem;
}

.institution-item {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 1rem;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.institution-item:hover {
    transform: scale(1.05);
}

.institution-logo {
    max-width: 200px;
    height: auto;
    max-height: 120px;
    object-fit: contain;
    transition: all 0.3s ease;
}

@media (min-width: 768px) {
    .institutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .institutions-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===== HERO SECTION (Moved from home.css) ===== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

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

.hero-main {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    color: white;
}

.hero-logo {
    margin-bottom: 2rem;
}

.logo-image {
    height: 200px;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
    animation: float 6s ease-in-out infinite;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.6;
    color: #cbd5e1;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.feature-highlight {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

/* ===== TECHNOLOGY SECTION (Moved from home.css) ===== */
.technology {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
}

.technology .section-title {
    color: white;
}

.technology .section-title::after {
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
}

.technology .section-subtitle {
    color: #cbd5e1;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.tech-category {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.tech-category:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.tech-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #60a5fa;
}

.tech-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.tech-badge {
    background: rgba(96, 165, 250, 0.2);
    color: #93c5fd;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(96, 165, 250, 0.3);
}


/* ===== ENHANCED TECH GRID STYLES (Moved from home.css) ===== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

/* Base tech category styles */
.tech-category {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(226, 232, 240, 0.6);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
}

/* Category-specific gradients and colors */
.backend-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.frontend-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.scientific-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.tools-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.tech-category:hover::before {
    transform: scaleX(1);
}

.backend-category:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.2);
}

.frontend-category:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.2);
}

.scientific-category:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.2);
}

.tools-category:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.2);
}

/* Category header styles */
.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.category-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.backend-category .category-icon {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.frontend-category .category-icon {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.scientific-category .category-icon {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.tools-category .category-icon {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.category-header h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
}

/* Tech badges container */
.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Tech badge styles */
.tech-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.tech-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.tech-badge:hover::before {
    left: 100%;
}

/* Backend badges */
.backend-category .tech-badge {
    background: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border-color: rgba(16, 185, 129, 0.2);
}

.backend-category .tech-badge.primary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.backend-category .tech-badge:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
}

/* Frontend badges */
.frontend-category .tech-badge {
    background: rgba(59, 130, 246, 0.1);
    color: #1e40af;
    border-color: rgba(59, 130, 246, 0.2);
}

.frontend-category .tech-badge.primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.frontend-category .tech-badge:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.25);
}

/* Scientific badges */
.scientific-category .tech-badge {
    background: rgba(139, 92, 246, 0.1);
    color: #6b21a8;
    border-color: rgba(139, 92, 246, 0.2);
}

.scientific-category .tech-badge.primary {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.scientific-category .tech-badge:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.25);
}

/* Tools badges */
.tools-category .tech-badge {
    background: rgba(245, 158, 11, 0.1);
    color: #92400e;
    border-color: rgba(245, 158, 11, 0.2);
}

.tools-category .tech-badge.primary {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.tools-category .tech-badge:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.25);
}

.tech-badge i {
    font-size: 1rem;
    flex-shrink: 0;
}


/* ===== CONTACT SECTION ENHANCEMENTS (Moved from home.css) ===== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.contact-item {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(226, 232, 240, 0.6);
    text-align: left;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 50%, #2563eb 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.contact-item:hover::before {
    transform: scaleX(1);
}

.contact-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.2);
}

/* Contact Item Specific Colors */
.research-contact::before {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.research-contact:hover {
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.2);
}

.development-contact::before {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.development-contact:hover {
    box-shadow: 0 20px 40px rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.2);
}

.documentation-contact::before {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.documentation-contact:hover {
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.2);
}

.contact-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: white;
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}

.research-contact .contact-icon {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.development-contact .contact-icon {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.documentation-contact .contact-icon {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.contact-item:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.contact-item h4 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.contact-description {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.contact-details {
    margin-bottom: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: rgba(248, 250, 252, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.3s ease;
}

.contact-method:hover {
    background: rgba(59, 130, 246, 0.05);
    border-color: rgba(59, 130, 246, 0.2);
    transform: translateX(5px);
}

.contact-method i {
    color: #3b82f6;
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

.contact-method span {
    color: #374151;
    font-weight: 500;
    font-size: 0.95rem;
}

.contact-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.contact-tag {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
    color: #3b82f6;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.3s ease;
}

.contact-tag:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(99, 102, 241, 0.2) 100%);
    transform: translateY(-2px);
}

/* Collaboration CTA */
.collaboration-cta {
    margin-top: 4rem;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(30, 41, 59, 0.3);
}

.collaboration-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>') repeat;
    opacity: 0.3;
}

.collaboration-cta .cta-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.cta-text h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.75rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.cta-text p {
    color: #cbd5e1;
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 0;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

/* Enhanced button styles for collaboration CTA */
.collaboration-cta .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    font-weight: 600;
    transition: all 0.3s ease;
}

.collaboration-cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    color: #ffffff;
}

.feature-highlight:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.feature-highlight i {
    color: #60a5fa;
    font-size: 1.1rem;
}

.feature-highlight span {
    font-weight: 500;
    font-size: 0.9rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}