/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00D4FF;
    --secondary-color: #5B4DFF;
    --dark-bg: #0A0E27;
    --light-bg: #F8F9FA;
    --text-dark: #1A1A1A;
    --text-light: #FFFFFF;
    --gradient: linear-gradient(135deg, #00D4FF 0%, #5B4DFF 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 100px 0;
    background: var(--gradient);
    color: var(--text-light);
    min-height: 65vh;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-content h2 {
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: 6px;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.tagline {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    margin-top: 3rem;
    gap: 1rem;
}

.btn {
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: white;
    color: var(--secondary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--secondary-color);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: scale(1.02);
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient);
    margin: 1rem auto;
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--light-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.stat-item h4 {
    font-size: 2rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.about-image img {
    width: 100%;
    max-width: 400px;
    height: auto;
    margin: 0 auto;
    display: block;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

/* Product Section */
.product {
    background: var(--light-bg);
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: #666;
    margin-top: -2rem;
    margin-bottom: 3rem;
}

.product-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.product-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.product-intro h3 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.product-intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.product-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.highlight-badge {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.badge-value {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.badge-label {
    display: block;
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

/* Specifications */
.specifications {
    margin-bottom: 4rem;
}

.specifications h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
    text-align: center;
}

.spec-coming-soon {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 4rem 2rem;
    border-radius: 20px;
    text-align: center;
    border: 2px dashed #dee2e6;
}

.coming-soon-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.6;
}

.spec-coming-soon h4 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.spec-coming-soon>p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 3rem;
}

.spec-preview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.preview-item {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.preview-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

.preview-value {
    font-size: 1rem;
    color: #666;
}

.spec-note {
    text-align: center;
    font-size: 0.95rem;
    color: #666;
    font-style: italic;
    margin-bottom: 2rem;
    padding: 0.75rem;
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    border-radius: 5px;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.spec-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.spec-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.spec-item h4 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.spec-item ul {
    list-style: none;
    padding: 0;
}

.spec-item li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.spec-item li:last-child {
    border-bottom: none;
}

.spec-item strong {
    color: var(--text-dark);
    font-weight: 600;
}

/* Features */
.features {
    margin-bottom: 4rem;
}

.features h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h4 {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-card p {
    line-height: 1.8;
    color: #666;
}

/* Use Cases */
.use-cases h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.use-case-item {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    border-left: 4px solid transparent;
    transition: all 0.3s;
}

.use-case-item:hover {
    border-left-color: var(--primary-color);
    transform: translateX(10px);
}

.use-case-item h4 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.use-case-item p {
    font-size: 0.9rem;
    color: #666;
}

/* Technology Section */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.tech-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.tech-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tech-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.tech-card p {
    line-height: 1.8;
    color: #666;
}

/* Applications Section */
.applications {
    background: var(--light-bg);
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.app-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    border-left: 4px solid transparent;
    transition: all 0.3s;
}

.app-card:hover {
    border-left-color: var(--primary-color);
    transform: translateX(10px);
}

.app-card h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

/* Research Section */
.research-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.publications-list {
    max-width: 900px;
    margin: 0 auto;
}

.paper-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 2.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.paper-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.paper-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.paper-header h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin: 0;
    flex: 1;
}

.year-badge {
    background: var(--gradient);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
}

.authors,
.venue {
    color: #666;
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.authors {
    font-style: italic;
}

.venue {
    color: var(--primary-color);
    font-weight: 500;
}

.description {
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #444;
}

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

.paper-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    flex: 1;
}

.tag {
    background: var(--light-bg);
    color: var(--text-dark);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid #e0e0e0;
}

.btn-bib {
    background: var(--gradient);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-bib:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

.bib-content {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.bib-content pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #2d3748;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.research-highlights {
    margin-top: 8rem;
    padding: 3rem;
    background: var(--light-bg);
    border-radius: 15px;
}

.research-highlights h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--secondary-color);
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.highlight-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    transition: transform 0.3s;
}

.highlight-item:hover {
    transform: translateY(-5px);
}

.highlight-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.highlight-item h4 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.highlight-item p {
    font-size: 0.9rem;
    color: #666;
}

/* Team Section */
.team {
    background: var(--light-bg);
}

.team-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
}

/* CEO Section */
.ceo-section {
    margin-bottom: 5rem;
}

.ceo-card {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: start;
}

.ceo-photo {
    position: relative;
}

.ceo-photo img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.ceo-info h3 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.ceo-info .role {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.affiliation {
    font-size: 1rem;
    color: #666;
    font-style: italic;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e9ecef;
}

.ceo-bio {
    margin-bottom: 2rem;
}

.ceo-bio p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #444;
    margin-bottom: 1rem;
}

.ceo-highlights {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.highlight-item-ceo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--light-bg);
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
}

.highlight-icon-ceo {
    font-size: 1.3rem;
}

/* Research Team Subtitle */
.team-subtitle {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.team-subtitle::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--gradient);
    margin: 1rem auto;
    border-radius: 2px;
}

/* Team Grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-member {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.member-photo {
    margin-bottom: 1rem;
}

.photo-placeholder {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: var(--gradient);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    font-weight: bold;
}

.team-member h3 {
    margin-bottom: 0.5rem;
}

.team-member .role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.bio {
    color: #666;
    line-height: 1.6;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.contact-details {
    margin-top: 2rem;
}

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

.contact-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #E0E0E0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

/* Footer */
.footer {
    background: var(--dark-bg);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo img {
    height: 150px;
    margin-bottom: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: var(--text-light);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-column a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 82px;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: calc(100vh - 82px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        gap: 0;
        padding: 2rem 0;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid #e9ecef;
    }

    .nav-menu a {
        display: block;
        padding: 1.2rem 2rem;
        font-size: 1.1rem;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content h2 {
        font-size: 1.2rem;
        letter-spacing: 3px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .product-overview {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-highlights {
        grid-template-columns: 1fr;
    }

    .spec-preview {
        grid-template-columns: 1fr;
    }

    .spec-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .use-case-grid {
        grid-template-columns: 1fr;
    }

    .tech-grid {
        grid-template-columns: 1fr;
    }

    .app-grid {
        grid-template-columns: 1fr;
    }

    .paper-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .year-badge {
        align-self: flex-start;
    }

    .paper-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .paper-card {
        padding: 1.5rem;
    }

    .highlight-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ceo-card {
        grid-template-columns: 1fr;
        padding: 2rem;
        gap: 2rem;
    }

    .ceo-photo img {
        max-width: 250px;
        margin: 0 auto;
        display: block;
    }

    .ceo-highlights {
        flex-direction: column;
        gap: 1rem;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
}