/* Reset and Base Styles */

/* Research Navigation Bar */
.research-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    padding: 1rem 0;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    opacity: 0;
    transform: translateY(-100%);
}

.research-navbar.visible {
    opacity: 1;
    transform: translateY(0);
    z-index: 1000;
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.navbar-logo {
    flex-shrink: 0;
}

.logo-link {
    display: block;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo-link:hover {
    transform: scale(1.05);
}

.research-logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

.logo-link:hover .research-logo-img {
    filter: brightness(1.1);
    transform: scale(1.05);
}

.research-navigation {
    display: flex;
    gap: 3rem;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.research-nav-link {
    position: relative;
    text-decoration: none;
    color: #e2e8f0;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.75rem 0;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: block;
    letter-spacing: 0.3px;
}

.research-nav-link:hover {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
    transform: translateY(-1px);
}

.research-nav-link.active {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(92, 194, 255, 0.5);
}

.research-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #6366f1);
    transition: width 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 1px;
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.6);
}

.research-nav-link:hover::after,
.research-nav-link.active::after {
    width: 100%;
}

/* Menu Button */
.navbar-menu {
    flex-shrink: 0;
}

.menu-button {
    background: transparent;
    border: 2px solid rgba(226, 232, 240, 0.2);
    border-radius: 8px;
    width: 44px;
    height: 44px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.menu-button:hover {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.menu-button:focus {
    outline: none;
    border-color: #5cc2ff;
    box-shadow: 0 0 0 3px rgba(92, 194, 255, 0.2);
}

.menu-icon {
    width: 18px;
    height: 18px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease;
}

.menu-line {
    width: 100%;
    height: 2px;
    background: #e2e8f0;
    border-radius: 1px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.menu-line:nth-child(1) { width: 100%; }
.menu-line:nth-child(2) { width: 75%; }
.menu-line:nth-child(3) { width: 100%; }
.menu-line:nth-child(4) { width: 50%; }

.menu-button:hover .menu-line {
    background: #5cc2ff;
}

.menu-button.active .menu-icon {
    transform: rotate(45deg);
}

.menu-button.active .menu-line:nth-child(1) {
    transform: translateY(8px) rotate(90deg);
    width: 100%;
}

.menu-button.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.menu-button.active .menu-line:nth-child(3) {
    transform: translateY(-8px);
    width: 100%;
}

.menu-button.active .menu-line:nth-child(4) {
    opacity: 0;
    transform: translateX(20px);
}

/* Menu Overlay */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.overlay-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
}

.overlay-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.98) 0%, rgba(30, 41, 59, 0.98) 100%);
    backdrop-filter: blur(25px);
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow-y: auto;
    border-left: 1px solid rgba(148, 163, 184, 0.1);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
}

.menu-overlay.active .overlay-content {
    transform: translateX(0);
}

.overlay-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

.overlay-title {
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.overlay-close {
    background: transparent;
    border: none;
    color: #e2e8f0;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.overlay-close:hover {
    background: rgba(59, 130, 246, 0.1);
    color: #5cc2ff;
}

.close-icon {
    width: 20px;
    height: 20px;
}

.overlay-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.nav-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-section-title {
    color: #5cc2ff;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 0.5rem 0;
}

.nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.overlay-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: #e2e8f0;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.overlay-link:hover {
    background: rgba(59, 130, 246, 0.1);
    color: #ffffff;
    transform: translateX(4px);
}

.overlay-link.active {
    background: rgba(92, 194, 255, 0.1);
    color: #5cc2ff;
}

.overlay-link.apply-highlight {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(99, 102, 241, 0.2));
    border-color: rgba(59, 130, 246, 0.4);
    color: #ffffff;
}

.overlay-link.apply-highlight:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(99, 102, 241, 0.3));
    transform: translateX(8px) scale(1.02);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.link-label {
    font-size: 1rem;
}

/* Home Navbar Hidden State */
.home-navbar.hidden {
    opacity: 0;
    transform: translateY(-100%);
    pointer-events: none;
}

/* Mobile Responsive for Research Navbar */
@media (max-width: 768px) {
    .research-navbar {
        display: none;
    }
    
    .research-navigation {
        display: none;
    }
    
    .overlay-content {
        width: 100%;
        border-left: none;
    }
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* Ensure all images are responsive */
img {
    max-width: 100%;
    height: auto;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0b0f1a 0%, #0b2a5a 100%);
    color: #333333;
    min-height: 100vh;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

/* Ensure smooth scrolling works on all elements */
html {
    scroll-behavior: smooth;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

/* Home-style Navigation Bar */
.home-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgb(1, 33, 105);
    backdrop-filter: blur(20px);
    padding: 1rem 0;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 1;
    transform: translateY(0);
    width: 100%;
    max-width: 100%;
}

.home-navbar.hidden {
    opacity: 0;
    transform: translateY(-100%);
    pointer-events: none;
}

/* Home Navbar Container */
.home-navbar .nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

/* Home Navbar Logo */
.home-navbar .nav-logo {
    flex-shrink: 0;
}

.home-navbar .logo-link {
    display: block;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.home-navbar .logo-link:hover {
    transform: scale(1.05);
}

.home-navbar .nav-logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

.home-navbar .logo-link:hover .nav-logo-img {
    filter: brightness(1.1);
    transform: scale(1.05);
}

/* Home Navigation Links */
.home-navbar .nav-navigation {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: space-between;
    gap: 2rem;
}

/* Contact link specific styling */
.home-navbar .nav-link[href*="#contact"] {
    position: relative;
    transition: all 0.3s ease;
}

.home-navbar .nav-link[href*="#contact"]:hover {
    color: #5cc2ff;
    transform: translateY(-1px);
}

.home-navbar .nav-link[href*="#contact"]:active {
    transform: translateY(0);
    transition: transform 0.1s ease;
}

.home-navbar .nav-links-center {
    display: flex;
    gap: 2rem;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.home-navbar .nav-links-right {
    display: flex;
    gap: 2rem;
    align-items: center;
    justify-content: flex-end;
    flex-shrink: 0;
}

.home-navbar .nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}

.home-navbar .nav-link:hover {
    color: #5cc2ff;
}

.home-navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #5cc2ff, #f7c948);
    transition: width 0.3s ease;
}

.home-navbar .nav-link:hover::after {
    width: 100%;
}

.home-navbar .nav-link-active {
    color: #5cc2ff;
}

.home-navbar .nav-link-active::after {
    width: 100%;
}

.home-navbar .nav-link-apply {
    background: linear-gradient(135deg, #5cc2ff, #f7c948);
    color: #0b2a5a;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.home-navbar .nav-link-apply:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(92, 194, 255, 0.3);
    color: #0b2a5a;
}

.home-navbar .nav-link-apply::after {
    display: none;
}



/* Main Content */
.main-content {
    margin-top: 0;
    min-height: calc(100vh - 92px);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #0b0f1a 0%, #0b2a5a 100%);
    padding: 12rem 0 10rem 0;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
    position: relative;
    z-index: 2;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-icon {
    position: absolute;
    font-size: 2rem;
    color: rgba(92, 194, 255, 0.3);
    animation: float 6s ease-in-out infinite;
    opacity: 0;
}

.floating-icon[data-delay="0"] { animation-delay: 0s; top: 20%; left: 10%; }
.floating-icon[data-delay="1"] { animation-delay: 1.5s; top: 30%; right: 15%; }
.floating-icon[data-delay="2"] { animation-delay: 3s; bottom: 30%; left: 20%; }
.floating-icon[data-delay="3"] { animation-delay: 4.5s; bottom: 25%; right: 10%; }

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0; }
    25% { opacity: 1; }
    75% { opacity: 1; }
    50% { transform: translateY(-20px) rotate(180deg); opacity: 0.8; }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #ffffff, #5cc2ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #cfd6e4;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Footer Styles */
.footer {
    position: relative;
    height: 400px;
    background: linear-gradient(135deg, #0b0f1a 0%, #0b2a5a 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    animation: ledgerGlow 4s ease-in-out infinite;
}

.footer-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.8;
    filter: blur(0.5px);
}

.footer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(11, 42, 90, 0.3) 100%);
    z-index: 2;
    backdrop-filter: blur(1px);
}

.footer-container {
    position: relative;
    z-index: 3;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    animation: contentPulse 6s ease-in-out infinite;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    flex-shrink: 0;
}

.footer-logo .logo-link {
    display: block;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.footer-logo .logo-link:hover {
    transform: scale(1.05);
}

.footer-logo-img {
    width: auto;
    height: 40px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.footer-logo .logo-link:hover .footer-logo-img {
    filter: brightness(1.1);
    transform: scale(1.05);
}

.footer-nav {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}

.footer-link:hover {
    color: #5cc2ff;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #5cc2ff, #f7c948);
    transition: width 0.3s ease;
}

.footer-link:hover::after {
    width: 100%;
}

.footer-social {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.social-link {
    width: 44px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.social-link:hover {
    transform: scale(1.1);
    border-color: transparent;
    background: linear-gradient(135deg, #5cc2ff, #f7c948);
    color: #0b2a5a;
    box-shadow: 0 0 20px rgba(92, 194, 255, 0.6);
}

.social-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
    transition: transform 0.3s ease;
}

.social-link:hover .social-icon {
    transform: rotate(360deg);
}

.footer-middle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-tagline h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    max-width: 400px;
    line-height: 1.3;
    background: linear-gradient(135deg, #ffffff, #5cc2ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.newsletter-signup {
    flex-shrink: 0;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.newsletter-input-wrapper {
    display: flex;
    gap: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    padding: 4px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.newsletter-input-wrapper:focus-within {
    background: rgba(255, 255, 255, 0.15);
    border-color: #5cc2ff;
    box-shadow: 0 0 0 3px rgba(92, 194, 255, 0.2);
    transform: scale(1.02);
}

.newsletter-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0.875rem 1.25rem;
    color: #ffffff;
    font-size: 0.95rem;
    outline: none;
    min-width: 250px;
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-btn {
    background: linear-gradient(135deg, #5cc2ff, #3b82f6);
    color: #0b2a5a;
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: 46px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 120px;
    justify-content: center;
}

.newsletter-btn:hover {
    background: linear-gradient(135deg, #f7c948, #5cc2ff);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(92, 194, 255, 0.4);
}

.newsletter-btn.loading .btn-text {
    opacity: 0;
}

.newsletter-btn.loading .newsletter-spinner {
    display: block;
}

.newsletter-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: none;
}

.newsletter-privacy {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
    text-align: center;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    margin: 0;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.legal-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.legal-link:hover {
    color: #5cc2ff;
}

.legal-separator {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
}

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

@keyframes ledgerGlow {
    0%, 100% {
        box-shadow: 0 0 30px rgba(92, 194, 255, 0.2);
    }
    50% {
        box-shadow: 0 0 50px rgba(92, 194, 255, 0.4);
    }
}

@keyframes contentPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.95;
    }
}

/* Featured Research Section */
.featured-research {
    padding: 6rem 0;
    background: linear-gradient(135deg, #0b0f1a 0%, #0b2a5a 100%);
    position: relative;
    overflow: hidden;
}

.featured-research::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"><circle cx="20" cy="20" r="1" fill="rgba(92, 194, 255, 0.1)"/><circle cx="80" cy="40" r="1" fill="rgba(92, 194, 255, 0.1)"/><circle cx="40" cy="80" r="1" fill="rgba(92, 194, 255, 0.1)"/><circle cx="90" cy="90" r="1" fill="rgba(92, 194, 255, 0.1)"/><circle cx="10" cy="60" r="1" fill="rgba(92, 194, 255, 0.1)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

.featured-research-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

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

.featured-research-title {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #5cc2ff, #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.featured-research-subtitle {
    font-size: 1.25rem;
    color: #cfd6e4;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.featured-research-card {
    background: linear-gradient(135deg, rgba(11, 42, 90, 0.9) 0%, rgba(11, 15, 26, 0.95) 100%);
    border-radius: 20px;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid rgba(92, 194, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto;
}

.featured-research-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #5cc2ff, #f7c948);
}

.research-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
    width: 100%;
}

.research-article-title {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
    margin: 0;
}

.research-author {
    color: #5cc2ff;
    font-weight: 500;
    font-size: 1rem;
    margin: 0;
}

.research-description {
    color: #cfd6e4;
    line-height: 1.6;
    font-size: 1.1rem;
    margin: 0;
}

.research-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.research-tag {
    background: linear-gradient(135deg, rgba(92, 194, 255, 0.2), rgba(247, 201, 72, 0.2));
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(92, 194, 255, 0.3);
    transition: all 0.3s ease;
}

.research-tag:hover {
    background: linear-gradient(135deg, rgba(92, 194, 255, 0.3), rgba(247, 201, 72, 0.3));
    transform: translateY(-2px);
}

.research-stats {
    display: flex;
    gap: 2rem;
    margin: 1rem 0;
    justify-content: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: #5cc2ff;
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: #cfd6e4;
    font-weight: 500;
    margin-top: 0.25rem;
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #5cc2ff, #3b82f6);
    color: #0b2a5a;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    width: fit-content;
    margin-top: 1rem;
}

.read-more-btn:hover {
    background: linear-gradient(135deg, #f7c948, #5cc2ff);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(92, 194, 255, 0.4);
}

.arrow-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.read-more-btn:hover .arrow-icon {
    transform: translateX(4px);
}

.research-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 400px;
    background: linear-gradient(135deg, rgba(11, 42, 90, 0.1) 0%, rgba(11, 15, 26, 0.05) 100%);
    border-radius: 16px;
    border: 1px solid rgba(92, 194, 255, 0.1);
    overflow: hidden;
}

.modern-network-diagram {
    position: relative;
    width: 320px;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Central AI Hub */
.central-hub {
    position: absolute;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #5cc2ff 0%, #0ea5e9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.4rem;
    color: #ffffff;
    z-index: 10;
    box-shadow: 
        0 0 40px rgba(92, 194, 255, 0.3),
        inset 0 2px 4px rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

/* AI Nodes */
.ai-node {
    position: absolute;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    box-shadow: 
        0 0 20px rgba(247, 201, 72, 0.4),
        inset 0 1px 2px rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.ai-node.node-1 {
    top: 15%;
    left: 15%;
    background: linear-gradient(135deg, #f7c948 0%, #f59e0b 100%);
}

.ai-node.node-2 {
    top: 15%;
    right: 15%;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.ai-node.node-3 {
    top: 45%;
    left: 8%;
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.ai-node.node-4 {
    top: 45%;
    right: 8%;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.ai-node.node-5 {
    bottom: 15%;
    left: 25%;
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
}

.ai-node.node-6 {
    bottom: 15%;
    right: 25%;
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
}

/* Data Flow Lines */
.data-flow {
    position: absolute;
    background: linear-gradient(90deg, rgba(92, 194, 255, 0.8) 0%, rgba(247, 201, 72, 0.6) 100%);
    height: 1.5px;
    transform-origin: left center;
    border-radius: 1px;
}

.data-flow.flow-1 {
    width: 70px;
    top: 27%;
    left: 27%;
    transform: rotate(-45deg);
}

.data-flow.flow-2 {
    width: 70px;
    top: 27%;
    right: 27%;
    transform: rotate(45deg);
}

.data-flow.flow-3 {
    width: 60px;
    top: 50%;
    left: 18%;
    transform: rotate(-35deg);
}

.data-flow.flow-4 {
    width: 60px;
    top: 50%;
    right: 18%;
    transform: rotate(35deg);
}

.data-flow.flow-5 {
    width: 80px;
    bottom: 27%;
    left: 37%;
    transform: rotate(-55deg);
}

.data-flow.flow-6 {
    width: 80px;
    bottom: 27%;
    right: 37%;
    transform: rotate(55deg);
}

/* Subtle Grid Background */
.grid-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(92, 194, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(92, 194, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
    border-radius: 16px;
    opacity: 0.3;
}

/* Performance Indicators */
.performance-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    z-index: 5;
}

.indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #5cc2ff, #f7c948);
}

.indicator-label {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Research Categories Section */
.research-categories {
    padding: 4rem 0 2rem 0;
    background: #0b0f1a;
}

.research-categories-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.categories-header {
    text-align: center;
    margin-bottom: 3rem;
}

.categories-title {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #5cc2ff, #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.categories-subtitle {
    font-size: 1.1rem;
    color: #cfd6e4;
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

.categories-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.category-btn {
    background: rgba(11, 15, 26, 0.8);
    color: #ffffff;
    border: 1px solid rgba(92, 194, 255, 0.3);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.category-btn:hover {
    background: rgba(92, 194, 255, 0.1);
    border-color: rgba(92, 194, 255, 0.5);
    transform: translateY(-2px);
}

.category-btn.active {
    background: linear-gradient(135deg, #5cc2ff, #f7c948);
    color: #0b2a5a;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(92, 194, 255, 0.3);
}

/* Research Articles Grid */
.research-articles {
    padding: 0 0 6rem 0;
    background: #0b0f1a;
}

.research-articles-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: start;
    position: relative;
    min-height: 200px; /* Ensure container has minimum height */
}

@media (max-width: 1024px) {
    .research-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .research-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Ensure cards don't overlap on mobile */
    .research-card {
        margin-bottom: 1rem;
    }
    
    .research-card.filtered {
        position: relative;
        z-index: 1;
    }
    
    /* Reset any manual positioning for mobile */
    .research-card.filtered.all-research {
        grid-column: unset !important;
        grid-row: unset !important;
        order: unset !important;
    }
    
    /* Modern Network Diagram Mobile Styles */
    .research-visual {
        height: 350px;
        padding: 1rem;
    }
    
    .modern-network-diagram {
        width: 280px;
        height: 280px;
    }
    
    .central-hub {
        width: 80px;
        height: 80px;
        font-size: 1.2rem;
    }
    
    .ai-node {
        width: 20px;
        height: 20px;
    }
    
    .performance-indicators {
        bottom: 15px;
        gap: 15px;
    }
    
    .indicator-label {
        font-size: 0.6rem;
    }
}

.research-card {
    background: linear-gradient(135deg, rgba(11, 42, 90, 0.9) 0%, rgba(11, 15, 26, 0.95) 100%);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(92, 194, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    opacity: 1;
    transform: translateY(0);
    position: relative;
    overflow: hidden;
    order: 0;
}

.research-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #5cc2ff, #f7c948);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.research-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border-color: rgba(92, 194, 255, 0.4);
}

.research-card:hover::before {
    opacity: 1;
}

.research-card.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    visibility: hidden; /* Hide but keep in layout for smooth transitions */
}

.research-card.filtered {
    animation: slideInFromTop 0.5s ease forwards;
}

/* Only apply specific grid positioning for filtered categories, not "all" */
.research-card.filtered:not(.all-research) {
    order: 1;
}

.research-card.filtered:not(.all-research):nth-child(1) {
    order: 0;
    grid-column: 1;
    grid-row: 1;
}

.research-card.filtered:not(.all-research):nth-child(2) {
    order: 1;
    grid-column: 2;
    grid-row: 1;
}

.research-card.filtered:not(.all-research):nth-child(3) {
    order: 2;
    grid-column: 3;
    grid-row: 1;
}

.research-card.filtered:not(.all-research):nth-child(4) {
    order: 3;
    grid-column: 1;
    grid-row: 2;
}

.research-card.filtered:not(.all-research):nth-child(5) {
    order: 4;
    grid-column: 2;
    grid-row: 2;
}

.research-card.filtered:not(.all-research):nth-child(6) {
    order: 5;
    grid-column: 3;
    grid-row: 2;
}

/* For "all research" selection, let cards flow naturally */
.research-card.filtered.all-research {
    order: unset;
    grid-column: unset;
    grid-row: unset;
}

@keyframes slideInFromTop {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(92, 194, 255, 0.2), rgba(247, 201, 72, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(92, 194, 255, 0.3);
}

.card-icon svg {
    width: 24px;
    height: 24px;
    color: #5cc2ff;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 0.75rem 0;
    line-height: 1.4;
}

.card-authors {
    color: #5cc2ff;
    font-weight: 500;
    font-size: 0.9rem;
    margin: 0 0 1rem 0;
}

.card-description {
    color: #cfd6e4;
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0 0 1.5rem 0;
}

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

.card-tag {
    padding: 0.375rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #ffffff;
}

.card-tag.data-analysis {
    background: linear-gradient(135deg, #5cc2ff, #3b82f6);
}

.card-tag.published {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.card-tag.dataset {
    background: linear-gradient(135deg, #5cc2ff, #3b82f6);
}

.card-tag.code {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

/* Impact Metrics Section */
.metrics-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #0b2a5a 0%, #1a093f 100%);
}

.metrics-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, #ffffff, #5cc2ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    text-align: center;
}

.metric-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem 1rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.metric-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(92, 194, 255, 0.2);
    border-color: rgba(92, 194, 255, 0.3);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #5cc2ff;
    display: block;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #5cc2ff, #f7c948);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label {
    font-size: 0.9rem;
    color: #cfd6e4;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Home Navbar Mobile */
    .home-navbar .nav-container {
        padding: 0 1rem;
    }
    
    .home-navbar .nav-navigation {
        gap: 1rem;
    }
    
    .home-navbar .nav-links-center {
        gap: 1rem;
    }
    
    .home-navbar .nav-links-right {
        gap: 1rem;
    }
    
    .home-navbar .nav-link {
        font-size: 0.9rem;
    }
    
    /* Ensure navigation doesn't overflow on mobile */
    .home-navbar .nav-container {
        flex-wrap: wrap;
        justify-content: space-between;
        overflow: hidden;
        max-width: 100vw;
    }
    
    .home-navbar .nav-navigation {
        flex: 1;
        min-width: 0;
        overflow: hidden;
        max-width: 100%;
    }
    
    .home-navbar .nav-links-center {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .home-navbar .nav-links-right {
        flex-shrink: 0;
        white-space: nowrap;
    }
    
    .home-navbar .nav-link-apply {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    /* Ensure proper spacing and visibility on very small screens */
    @media (max-width: 480px) {
        .home-navbar .nav-container {
            padding: 0 0.5rem;
        }
        
        .home-navbar .nav-navigation {
            gap: 0.5rem;
        }
        
        .home-navbar .nav-links-center {
            gap: 0.5rem;
        }
        
        .home-navbar .nav-links-right {
            gap: 0.5rem;
        }
        
        .home-navbar .nav-link {
            font-size: 0.8rem;
        }
        
        .home-navbar .nav-link-apply {
            padding: 0.3rem 0.6rem;
            font-size: 0.8rem;
        }
    }
    
    .featured-research {
        padding: 4rem 0;
    }
    
    .featured-research-title {
        font-size: 2.5rem;
    }
    
    .featured-research-subtitle {
        font-size: 1.1rem;
    }
    
    .featured-research-card {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }
    
    .research-article-title {
        font-size: 1.75rem;
    }
    
    .research-stats {
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .research-visual {
        height: 300px;
    }
    
    .network-diagram {
        width: 250px;
        height: 250px;
    }
    
    .central-node {
        width: 60px;
        height: 60px;
        font-size: 1rem;
    }
    
    .subnet-node {
        width: 16px;
        height: 16px;
    }
}

@media (max-width: 480px) {
    .featured-research {
        padding: 3rem 0;
    }
    
    .featured-research-title {
        font-size: 2rem;
    }
    
    .featured-research-subtitle {
        font-size: 1rem;
    }
    
    .featured-research-card {
        padding: 1.5rem;
    }
    
    .research-article-title {
        font-size: 1.5rem;
    }
    
    .research-description {
        font-size: 1rem;
    }
    
    .research-stats {
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .read-more-btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .research-visual {
        height: 250px;
    }
    
    .network-diagram {
        width: 200px;
        height: 200px;
    }
    
    .central-node {
        width: 50px;
        height: 50px;
        font-size: 0.9rem;
    }
    
    .subnet-node {
        width: 14px;
        height: 14px;
    }
}



@media (max-width: 768px) {
    /* Footer Mobile */
    .footer {
        height: auto;
        padding: 3rem 0;
    }
    
    .footer-container {
        padding: 0 1.5rem;
        gap: 2rem;
    }
    
    .footer-top {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .footer-nav {
        gap: 1.5rem;
        justify-content: center;
    }
    
    .footer-middle {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
        padding: 2rem 0;
    }
    
    .footer-tagline h3 {
        font-size: 1.25rem;
        max-width: none;
    }
    
    .newsletter-input {
        min-width: 200px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-logo-img {
        height: 36px;
    }
}

@media (max-width: 480px) {
    /* Footer Small Mobile */
    .footer {
        padding: 2.5rem 0;
    }
    
    .footer-container {
        gap: 1.5rem;
        padding: 0 1rem;
    }
    
    .footer-nav {
        gap: 1rem;
        flex-wrap: wrap;
    }
    
    .footer-link {
        font-size: 0.9rem;
    }
    
    .footer-tagline h3 {
        font-size: 1.1rem;
    }
    
    .newsletter-input {
        min-width: 180px;
        padding: 0.75rem 1rem;
    }
    
    .newsletter-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.85rem;
    }
    
    .footer-social {
        gap: 0.75rem;
    }
    
    .social-link {
        width: 40px;
        height: 40px;
    }
    
    .social-icon {
        width: 18px;
        height: 18px;
    }
    
    .footer-logo-img {
        height: 32px;
    }
}

/* Responsive Design */

