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

:root {
    --primary-dark: #0d1b2a;
    --primary-blue: #1b3a52;
    --accent-blue: #4a7c9e;
    --light-gray: #8ba3b8;
    --lighter-gray: #c5d5e4;
    --white: #ffffff;
    --text-dark: #1a202c;
    --text-light: #5a6c7d;
    
    /* Area accents */
    --accent-ai: #6366f1;
    --accent-space: #8b5cf6;
    --accent-robotics: #ec4899;
    --accent-defense: #f59e0b;
    --accent-applied: #10b981;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: #f5f7fa;
    position: relative;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--accent-blue);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
    background: rgba(13, 27, 42, 0.98);
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
    text-decoration: none;
    transition: opacity 0.3s;
    display: flex;
    align-items: center;
}

.logo-text {
    color: var(--white);
}

.logo:hover {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    color: var(--light-gray);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s;
    position: relative;
    padding-bottom: 5px;
}

.nav-menu a.active {
    color: var(--white);
}

.nav-menu a.active::after {
    width: 100%;
}

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

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

.nav-menu a[data-accent="ai"]:hover::after {
    background: var(--accent-ai);
}

.nav-menu a[data-accent="space"]:hover::after {
    background: var(--accent-space);
}

.nav-menu a[data-accent="robotics"]:hover::after {
    background: var(--accent-robotics);
}

.nav-menu a[data-accent="defense"]:hover::after {
    background: var(--accent-defense);
}

.nav-menu a[data-accent="research"]:hover {
    color: var(--accent-blue);
}

.nav-menu a[data-accent="ai"]:hover {
    color: var(--accent-ai);
}

.nav-menu a[data-accent="robotics"]:hover {
    color: var(--accent-robotics);
}

.nav-menu a[data-accent="defense"]:hover {
    color: var(--accent-defense);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
    margin: 3px 0;
    transition: 0.3s;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--white);
    margin: 10% auto;
    padding: 3rem;
    width: 90%;
    max-width: 400px;
    position: relative;
    border-top: 3px solid var(--accent-blue);
}

.modal-close {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--primary-dark);
}

.login-form {
    margin-top: 2rem;
}

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

.login-form input {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--light-gray);
    font-size: 1rem;
    font-family: inherit;
}

.login-form input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.hero {
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    opacity: 0;
    animation: heroFadeIn 1.2s ease-out 0.2s forwards;
}

@keyframes heroFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(10, 22, 40, 0.8) 100%);
    pointer-events: none;
    z-index: 1;
}

#neuralCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    transition: transform 0.1s ease-out;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 300;
    letter-spacing: 8px;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tagline {
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-cta {
    animation: fadeInUp 1s ease-out 0.6s both;
}

.tagline {
    font-size: 1.1rem;
    color: var(--lighter-gray);
    font-weight: 300;
    max-width: 700px;
    margin: 0 auto;
}

.hero-cta {
    margin-top: 3rem;
}

.cta-link, .btn-career, .expand-btn, .btn-submit {
    color: var(--lighter-gray);
    text-decoration: none;
    padding: 1rem 2.5rem;
    border: 1px solid currentColor;
    display: inline-block;
    transition: all 0.3s;
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    background: none;
    cursor: pointer;
    font-family: inherit;
    min-height: 44px;
    min-width: 44px;
}

.btn-submit {
    width: 100%;
    position: relative;
    overflow: visible;
}

.btn-submit .btn-text {
    display: inline-block;
}

.btn-submit .envelope {
    position: absolute;
    right: 1rem;
    font-size: 1.2rem;
    opacity: 0;
    transform: scale(0);
    transition: all 0.4s ease;
}

.btn-submit:hover .envelope {
    opacity: 1;
    transform: scale(1);
}

.btn-submit.clicked .envelope {
    animation: flyAway 0.8s ease-out forwards;
}

@keyframes flyAway {
    0% { opacity: 1; transform: scale(1) translateY(0) translateX(0); }
    100% { opacity: 0; transform: scale(0.5) translateY(-60px) translateX(60px) rotate(45deg); }
}

.expand-btn {
    display: block;
    margin: 2rem auto 0;
    padding: 0.8rem 2rem;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: none;
}

.btn-career {
    margin-top: 1.5rem;
}

.cta-link::before, .btn-career::before, .expand-btn::before, .btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(168, 184, 204, 0.3), transparent);
    transition: left 0.5s;
}

.cta-link:hover::before, .btn-career:hover::before, .expand-btn:hover::before, .btn-submit:hover::before {
    left: 100%;
}

.cta-link:hover, .btn-career:hover, .expand-btn:hover, .btn-submit:hover {
    background: rgba(168, 184, 204, 0.1);
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(74, 124, 158, 0.3);
}

.btn-submit {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-submit:hover {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: var(--white);
}

.expand-btn {
    color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.expand-btn:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: var(--white);
}

.btn-career {
    color: var(--accent-robotics);
    border-color: var(--accent-robotics);
}

.btn-career:hover {
    background: var(--accent-robotics);
    border-color: var(--accent-robotics);
    color: var(--white);
}

.section {
    padding: 4rem 2rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
    background: var(--white);
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section.alt {
    background: #f5f7fa;
}

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

h1, h2 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
}

h2 {
    font-size: 2rem;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    font-weight: 300;
    letter-spacing: 3px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 1rem;
}

h3 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
}

h4 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
}

.accent-marker {
    width: 4px;
    height: 24px;
    display: inline-block;
    border-radius: 2px;
}

.lead {
    font-size: 1rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.8;
    max-width: 800px;
}

p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.research-card {
    background: rgba(255, 255, 255, 0.95);
    padding: 1.5rem;
    border-left: 3px solid var(--accent-blue);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: visible;
    touch-action: pan-y;
    -webkit-user-select: none;
    user-select: none;
}

.research-card:focus {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

.card-hint {
    position: absolute;
    top: -40px;
    right: 10px;
    background: var(--accent-blue);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.85rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 10;
}

.card-hint::after {
    content: '';
    position: absolute;
    bottom: -6px;
    right: 20px;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid var(--accent-blue);
}

.card-hint.visible {
    opacity: 1;
    transform: translateY(0);
}

.interactive-card[data-area="gai"] {
    border-left-color: var(--accent-ai);
}

.interactive-card[data-area="space"] {
    border-left-color: var(--accent-space);
}

.interactive-card[data-area="robotics"] {
    border-left-color: var(--accent-robotics);
}

.interactive-card[data-area="defense"] {
    border-left-color: var(--accent-defense);
}

.interactive-card[data-area="applied"] {
    border-left-color: var(--accent-applied);
}

.interactive-card[data-area="gai"].expanded {
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.2);
}

.interactive-card[data-area="space"].expanded {
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.2);
}

.interactive-card[data-area="robotics"].expanded {
    box-shadow: 0 20px 60px rgba(236, 72, 153, 0.2);
}

.interactive-card[data-area="defense"].expanded {
    box-shadow: 0 20px 60px rgba(245, 158, 11, 0.2);
}

.interactive-card[data-area="applied"].expanded {
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.2);
}

.research-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(74, 124, 158, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s;
}

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

.card-icon {
    font-size: 2rem;
    color: var(--accent-blue);
    margin-bottom: 1rem;
    opacity: 0.6;
    transition: all 0.4s;
    display: inline-block;
}

.card-icon-wrapper {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
    position: relative;
}

.card-diamond {
    font-size: 2rem;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.6;
    transition: all 0.5s ease;
    z-index: 2;
}

.interactive-card:hover .card-diamond {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0) rotate(180deg);
}

/* AI - Neuron Network */
.icon-ai {
    width: 100%;
    height: 100%;
    position: relative;
    opacity: 0;
    transform: scale(0);
    transition: all 0.5s ease;
}

.interactive-card:hover .icon-ai {
    opacity: 1;
    transform: scale(1);
}

.interactive-card:hover .icon-space {
    opacity: 1;
    transform: scale(1);
}

.interactive-card:hover .icon-robotics {
    opacity: 1;
    transform: scale(1);
}

.interactive-card:hover .icon-defense {
    opacity: 1;
    transform: scale(1);
}

.neuron-core {
    width: 16px;
    height: 16px;
    background: var(--accent-ai);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse-core 2s ease-in-out infinite;
}

@keyframes pulse-core {
    0%, 100% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7); }
    50% { transform: translate(-50%, -50%) scale(1.2); box-shadow: 0 0 20px 10px rgba(99, 102, 241, 0); }
}

.neuron-branch {
    width: 2px;
    height: 20px;
    background: var(--accent-ai);
    position: absolute;
    top: 50%;
    left: 50%;
    transform-origin: center;
    opacity: 0.7;
}

.neuron-branch::after {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent-ai);
    border-radius: 50%;
    position: absolute;
    top: -3px;
    left: -2px;
}

.neuron-branch.n1 { transform: translate(-50%, -50%) rotate(0deg); animation: grow-branch 2s ease-in-out infinite; }
.neuron-branch.n2 { transform: translate(-50%, -50%) rotate(90deg); animation: grow-branch 2s ease-in-out 0.5s infinite; }
.neuron-branch.n3 { transform: translate(-50%, -50%) rotate(180deg); animation: grow-branch 2s ease-in-out 1s infinite; }
.neuron-branch.n4 { transform: translate(-50%, -50%) rotate(270deg); animation: grow-branch 2s ease-in-out 1.5s infinite; }

@keyframes grow-branch {
    0%, 100% { height: 20px; opacity: 0.7; }
    50% { height: 28px; opacity: 1; }
}

/* Space - Planet & Moon */
.icon-space {
    width: 100%;
    height: 100%;
    position: relative;
    opacity: 0;
    transform: scale(0);
    transition: all 0.5s ease;
}

.planet {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--accent-space) 0%, #a78bfa 100%);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: inset -5px -5px 10px rgba(0,0,0,0.3);
}

.moon {
    width: 10px;
    height: 10px;
    background: var(--lighter-gray);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    animation: orbit-moon 3s linear infinite;
    box-shadow: 0 0 5px rgba(255,255,255,0.5);
}

@keyframes orbit-moon {
    0% { transform: translate(-50%, -50%) rotate(0deg) translateX(25px) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg) translateX(25px) rotate(-360deg); }
}

/* Robotics - Gears */
.icon-robotics {
    width: 100%;
    height: 100%;
    position: relative;
    opacity: 0;
    transform: scale(0);
    transition: all 0.5s ease;
}

.gear-outer {
    width: 35px;
    height: 35px;
    border: 3px solid var(--accent-robotics);
    border-radius: 30%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate-gear-outer 4s linear infinite;
}

.gear-outer::before,
.gear-outer::after {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent-robotics);
    position: absolute;
}

.gear-outer::before { top: -4px; left: 50%; transform: translateX(-50%); }
.gear-outer::after { bottom: -4px; left: 50%; transform: translateX(-50%); }

.gear-inner {
    width: 20px;
    height: 20px;
    border: 3px solid var(--accent-robotics);
    border-radius: 30%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate-gear-inner 3s linear infinite reverse;
}

@keyframes rotate-gear-outer {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes rotate-gear-inner {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Defense - Shield */
.icon-defense {
    width: 100%;
    height: 100%;
    position: relative;
    opacity: 0;
    transform: scale(0);
    transition: all 0.5s ease;
}

.shield-outer {
    width: 35px;
    height: 40px;
    border: 3px solid var(--accent-defense);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.shield-inner {
    width: 20px;
    height: 24px;
    border: 2px solid var(--accent-defense);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.6;
}

.shield-pulse {
    width: 35px;
    height: 40px;
    border: 2px solid var(--accent-defense);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: shield-radar 2s ease-out infinite;
}

@keyframes shield-radar {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    100% { transform: translate(-50%, -50%) scale(1.8); opacity: 0; }
}

/* Hover effects */
.interactive-card:hover .neuron-core {
    animation-duration: 1s;
}

.interactive-card:hover .neuron-branch {
    animation-duration: 1s;
}

.interactive-card:hover .moon {
    animation-duration: 1.5s;
}

.interactive-card:hover .gear-outer {
    animation-duration: 2s;
}

.interactive-card:hover .gear-inner {
    animation-duration: 1.5s;
}

.interactive-card:hover .shield-pulse {
    animation-duration: 1s;
}

.card-preview {
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
}

.card-detail {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.4s;
    margin-top: 0;
}

.interactive-card.expanded .card-detail {
    max-height: 500px;
    opacity: 1;
    margin-top: 1rem;
}

.interactive-card.expanded .card-preview {
    display: none;
}

.interactive-card.expanded {
    transform: translateY(-5px) scale(1.02);
    border-left-width: 5px;
}

.section.alt .research-card {
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.minimal-intro {
    text-align: center;
    margin-bottom: 2rem;
}

.minimal-intro h2 {
    margin-bottom: 0.5rem;
}

.minimal-intro .lead {
    font-size: 1rem;
    color: var(--text-light);
}

.expandable-content {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.5s;
    margin-top: 0;
}

.expandable-content.expanded {
    max-height: 1000px;
    opacity: 1;
    margin-top: 2rem;
}

.expand-btn {
    display: block;
    margin: 2rem auto 0;
    padding: 0.8rem 2rem;
    background: none;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.expand-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 124, 158, 0.2), transparent);
    transition: left 0.5s;
}

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

.expand-btn:hover {
    background: var(--accent-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 124, 158, 0.3);
}

.expand-btn.expanded::after {
    content: ' Less';
}

.expand-btn::after {
    content: ' More';
}

.research-card:hover {
    transform: translateX(5px);
}
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.capabilities-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.capability h4 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.capability p {
    font-size: 0.95rem;
}

.locations {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(138, 163, 184, 0.2);
}

.location-item {
    text-align: center;
}

.location-item h4 {
    color: var(--accent-space);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.location-item p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.pub-year {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-ai);
    min-width: 60px;
}

.partnerships-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.partner-category {
    padding: 1.5rem;
    background: var(--white);
    border-top: 3px solid var(--accent-space);
    transition: transform 0.3s;
}

.partner-category:hover {
    transform: translateY(-5px);
}

.partner-category h4 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.careers-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.career-info h4 {
    color: var(--primary-blue);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.career-list {
    list-style: none;
    padding: 0;
}

.career-list li {
    padding: 0.8rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dark);
}

.career-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-robotics);
}

.career-cta {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(138, 163, 184, 0.2);
}

.btn-career {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 1rem 3rem;
    background: none;
    border: 1px solid var(--accent-robotics);
    color: var(--accent-robotics);
    text-decoration: none;
    transition: all 0.3s;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn-career::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(236, 72, 153, 0.2), transparent);
    transition: left 0.5s;
}

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

.btn-career:hover {
    background: var(--accent-robotics);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(236, 72, 153, 0.3);
}

.contact-form {
    max-width: 600px;
    margin: 2rem auto;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--light-gray);
    background: var(--white);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input[type="file"] {
    padding: 0.75rem 1rem;
    border: 1px solid var(--light-gray);
    background: var(--white);
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.form-group input[type="file"]::file-selector-button {
    padding: 0.5rem 1rem;
    margin-right: 1rem;
    background: none;
    border: 1px solid var(--light-gray);
    color: var(--text-dark);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.form-group input[type="file"]::file-selector-button:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238ba3b8' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    color: var(--text-dark);
}

.form-group select option {
    color: var(--text-dark);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.btn-submit {
    background: none;
    border: 1px solid var(--primary-blue);
    color: var(--primary-blue);
    padding: 1rem 3rem;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(27, 58, 82, 0.2), transparent);
    transition: left 0.5s;
}

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

.btn-submit:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(74, 124, 158, 0.3);
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    text-align: center;
    display: none;
}

.form-message.success {
    background: #c6f6d5;
    color: #22543d;
    display: block;
}

.form-message.error {
    background: #fed7d7;
    color: #742a2a;
    display: block;
}

.footer {
    background: var(--primary-dark);
    color: var(--light-gray);
    text-align: center;
    padding: 2rem;
}

.footer-note {
    font-size: 0.85rem;
    margin-top: 0.5rem;
    opacity: 0.7;
}

.footer-link {
    color: var(--light-gray);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-link:hover {
    color: var(--white);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 22, 40, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        padding: 1rem 0;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .nav-menu a {
        min-height: 44px;
        display: flex;
        align-items: center;
        padding: 0.5rem 1rem;
    }
    
    .nav-menu {
        gap: 1rem;
        font-size: 0.85rem;
    }
    
    .publication-item {
        flex-direction: column;
        gap: 1rem;
    }
    
    .pub-year {
        min-width: auto;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1rem;
        padding: 0 1rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .section {
        padding: 4rem 1.5rem;
    }
    
    .research-card {
        min-height: 44px;
    }
    
    .card-icon-wrapper {
        animation: none;
    }
    
    .hero::after {
        background: radial-gradient(circle at center, transparent 0%, rgba(10, 22, 40, 0.7) 100%);
    }
}

/* Scroll Progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-ai), var(--accent-space), var(--accent-robotics), var(--accent-defense));
    z-index: 1001;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s;
}

/* Section Indicators */
.section-indicators {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border: 2px solid var(--light-gray);
    border-radius: 50%;
    transition: all 0.3s;
    position: relative;
}

.indicator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 6px;
    height: 6px;
    background: var(--accent-blue);
    border-radius: 50%;
    transition: transform 0.3s;
}

.indicator.active::before {
    transform: translate(-50%, -50%) scale(1);
}

.indicator:hover {
    border-color: var(--white);
    transform: scale(1.3);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-left: 2px solid var(--lighter-gray);
    border-bottom: 2px solid var(--lighter-gray);
    transform: rotate(-45deg);
}

/* Word Animation */
.hero h1 .word {
    display: inline-block;
    opacity: 0;
    transform: translateY(30px);
    animation: wordReveal 0.8s ease-out forwards;
}

.hero h1 .word:nth-child(1) {
    animation-delay: 0.2s;
}

.hero h1 .word:nth-child(2) {
    animation-delay: 0.4s;
}

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

/* Glassmorphism Cards */
.research-card {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.9);
}

.section.alt .research-card {
    background: rgba(255, 255, 255, 0.95);
}

/* Enhanced Shadows */
.research-card {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.research-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

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

.card-icon-wrapper {
    animation: float 3s ease-in-out infinite;
}

/* Stats Counter */
.stat-number {
    font-size: 3rem;
    font-weight: 600;
    color: var(--accent-blue);
    display: block;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .section-indicators {
        display: none;
    }
}

/* Enhanced Typography */
h1, h2 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 300;
    letter-spacing: 8px;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out;
    color: var(--white);
}

/* 3D Tilt Cards */
.tilt-card {
    transform-style: preserve-3d;
    transition: transform 0.2s ease;
}

.tilt-card:hover {
    transform: perspective(600px) rotateX(var(--rotate-x, 0deg)) rotateY(var(--rotate-y, 0deg)) translateZ(15px);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.stat-card {
    background: rgba(255, 255, 255, 0.5);
    padding: 2rem;
    text-align: center;
    border-radius: 0;
    border-left: 3px solid var(--accent-blue);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    display: none;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--primary-dark);
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    text-transform: none;
    letter-spacing: 0;
}

/* World Map */
.world-map {
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 0;
}

.map-svg {
    width: 100%;
    height: auto;
    max-height: 400px;
}

.marker-pulse {
    fill: var(--accent-space);
    opacity: 0.3;
    animation: pulse-marker 2s ease-in-out infinite;
}

@keyframes pulse-marker {
    0%, 100% { r: 8; opacity: 0.3; }
    50% { r: 15; opacity: 0; }
}

.marker-dot {
    fill: var(--accent-space);
}

.connection-line {
    stroke: var(--accent-space);
    stroke-width: 1.5;
    opacity: 0.4;
    animation: dash 20s linear infinite;
}

@keyframes dash {
    to { stroke-dashoffset: -100; }
}

/* Enhanced Research Cards with 3D */
.research-card {
    transform-style: preserve-3d;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 0.1);
}

.research-card:hover {
    transform: perspective(600px) rotateX(var(--card-rotate-x, 0deg)) rotateY(var(--card-rotate-y, 0deg)) translateZ(20px);
}

/* Gradient Text for Headers */
h2 {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animated Underline */
.pub-content h4 {
    position: relative;
    display: inline-block;
}

.pub-content h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-ai);
    transition: width 0.3s;
}

.publication-item:hover .pub-content h4::after {
    width: 100%;
}

/* Enhanced Capabilities */
.capability {
    position: relative;
    padding-left: 2rem;
}

.capability::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 0;
    background: var(--accent-blue);
    transition: height 0.5s ease;
}

.capability:hover::before {
    height: 100%;
}

/* Smooth Section Transitions */
.section {
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    opacity: 0.2;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .world-map {
        padding: 1rem;
    }
    
    .tilt-card:hover {
        transform: none;
    }
    
    .research-card:hover {
        transform: translateY(-5px) scale(1.02);
    }
}

.city-label {
    font-size: 14px;
    fill: var(--primary-dark);
    font-weight: 500;
}

/* Applied Sciences - Heartbeat Monitor */
.icon-applied {
    width: 100%;
    height: 100%;
    position: relative;
    opacity: 0;
    transform: scale(0);
    transition: all 0.5s ease;
}

.interactive-card:hover .icon-applied {
    opacity: 1;
    transform: scale(1);
}

.heartbeat-svg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.heartbeat-line {
    fill: none;
    stroke: var(--accent-applied);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: heartbeat-pulse 2s ease-in-out infinite;
}

@keyframes heartbeat-pulse {
    0% { stroke-dashoffset: 100; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -100; }
}

.interactive-card:hover .heartbeat-line {
    animation-duration: 1.5s;
}

.login-links {
    margin-top: 1.5rem;
    text-align: center;
}

.login-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s;
    letter-spacing: 0.5px;
}

.login-links a:hover {
    color: var(--accent-blue);
}