html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.8;
    color: #2c3e50;
    background-color: #f8f9fa;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, #2ecc71, #27ae60);
    border-radius: 2px;
}

h3 {
    font-size: 1.8rem;
    color: #34495e;
    margin: 1.5rem 0;
}

p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: #4a5568;
    line-height: 1.8;
}

/* Enhanced Container Styles */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Enhanced Section Styles */
section {
    margin: 4rem 0;
    padding: 3rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

section:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 30px rgba(0,0,0,0.08);
}

/* Enhanced Card Styles */
.feature-card, .member, .phase, .contact-item {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.feature-card::before, .member::before, .phase::before, .contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, #2ecc71, #27ae60);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover::before, .member:hover::before, 
.phase:hover::before, .contact-item:hover::before {
    opacity: 1;
}

.feature-card:hover, .member:hover, .phase:hover, .contact-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.feature-card h3, .member h3, .phase h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
    position: relative;
    padding-bottom: 0.5rem;
}

.feature-card p, .member p, .phase p {
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 0;
}

.feature-card::after, .member::after, .phase::after, .contact-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    opacity: 0;
    transition: opacity 0.4s ease-out;
    z-index: -1;
}

.feature-card:hover::after, .member:hover::after, 
.phase:hover::after, .contact-item:hover::after {
    opacity: 1;
}

/* Enhanced List Styles */
.results ul, .cost-structure ul {
    list-style: none;
    padding: 0;
}

.results li, .cost-structure li {
    margin: 1rem 0;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid #2ecc71;
    transition: all 0.3s ease;
}

.results li:hover, .cost-structure li:hover {
    transform: translateX(5px);
    background: #f1f5f9;
}

/* Enhanced Stats Styles */
.stat-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #2ecc71;
    margin: 1rem 0;
    font-family: 'Montserrat', sans-serif;
    position: relative;
    display: inline-block;
}

/* Optional: Add a subtle gradient effect using a pseudo-element */
.stat-number::after {
    content: attr(data-value);
    position: absolute;
    left: 0;
    top: 0;
    color: transparent;
    background: linear-gradient(45deg, #2ecc71 30%, #27ae60 70%);
    -webkit-background-clip: text;
    background-clip: text;
    z-index: 1;
    opacity: 0.8;
}

.stat-desc {
    font-size: 1.1rem;
    color: #4a5568;
    margin-top: 0.5rem;
}

/* Enhanced Form Styles */
.form-group label {
    font-weight: 500;
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #2ecc71;
    box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.1);
    outline: none;
    transform: translateY(-2px);
}

.two-stage-process {
    background: #f5f5f5;
    padding: 2rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.stage {
    margin: 1.5rem 0;
    padding: 1rem;
    background: white;
    border-left: 4px solid #2ecc71;
}

.team-members {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

.member {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.results li {
    margin: 1rem 0;
    padding: 1rem;
    background: #f9f9f9;
    border-left: 4px solid #3498db;
}

.date {
    color: #666;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.revenue-structure .chart {
    display: flex;
    justify-content: space-around;
    margin: 2rem 0;
}

.chart-item {
    text-align: center;
    padding: 1.5rem;
    background: #f5f5f5;
    border-radius: 8px;
    width: 30%;
}

.chart-item h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.cost-structure ul {
    list-style: none;
    padding: 0;
}

.cost-structure li {
    padding: 1rem;
    margin: 0.5rem 0;
    background: #f9f9f9;
    border-left: 4px solid #e74c3c;
}

.target-customers ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    padding: 0;
    list-style: none;
}

.target-customers li {
    padding: 1rem;
    background: #f5f5f5;
    border-radius: 4px;
    text-align: center;
}

section {
    margin: 2rem 0;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h2 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
    margin-bottom: 2rem;
}

h3 {
    color: #34495e;
    margin: 1.5rem 0;
}

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

.contact-item {
    padding: 2rem;
    background: #f5f5f5;
    border-radius: 8px;
    text-align: center;
}

.contact-item a {
    color: #3498db;
    text-decoration: none;
    font-weight: bold;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.submit-btn {
    background: #2ecc71;
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

.submit-btn:hover {
    background: #27ae60;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: #2c3e50;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo a {
    color: #2ecc71;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #2ecc71;
}

/* Hero Section Styles */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(44, 62, 80, 0.7), rgba(52, 73, 94, 0.3)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    color: white;
    padding: 0 4rem;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.4) 100%);
    pointer-events: none;
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 2;
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem;
    border-radius: 16px;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeIn 1s ease-out;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-text {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn.primary {
    background: #2ecc71;
    color: white;
    border: none;
}

.btn.primary:hover {
    background: #27ae60;
}

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

.btn.secondary:hover {
    background: rgba(255,255,255,0.1);
}

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
    .hero {
        padding: 0 2rem;
        text-align: center;
        justify-content: center;
    }

    .hero-content {
        padding: 1.5rem;
    }

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

    .hero-text {
        font-size: 1.1rem;
    }

    .hero-buttons {
        justify-content: center;
    }
}

/* Tablet Responsive Adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero {
        padding: 0 3rem;
    }

    .hero h1 {
        font-size: 3rem;
    }
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    padding: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #2ecc71;
    margin: 1rem 0;
}

footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 2rem 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    color: #2ecc71;
    margin-bottom: 1rem;
}

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

.footer-section a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #2ecc71;
}

.social-links {
    display: flex;
    gap: 1rem;
}

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

@media (max-width: 768px) {
    .main-nav {
        flex-direction: column;
        padding: 1rem;
    }

    .nav-links {
        margin-top: 1rem;
    }

    .nav-links li {
        margin: 0 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

.content-with-nav {
    padding-top: 80px; 
}

.nav-links .active {
    color: #2ecc71;
    font-weight: bold;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #333;
}

* {
    box-sizing: border-box;
}

.main-nav {
    width: 100%;
    box-sizing: border-box;
    left: 0;
}

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

.team-motivation {
    background: #f9f9f9;
    padding: 3rem;
    text-align: center;
    margin-top: 3rem;
    border-radius: 8px;
}

.member h4 {
    color: #2ecc71;
    margin: 0.5rem 0;
}

.member {
    transition: transform 0.3s ease;
}

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

@media (max-width: 768px) {
    .team-motivation {
        padding: 2rem;
    }
    
    .team-members {
        grid-template-columns: 1fr;
    }
}

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

.phase {
    background: #f5f5f5;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.phase h3 {
    color: #2ecc71;
    margin-bottom: 1rem;
}

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

.phase li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #ddd;
}

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

@media (max-width: 768px) {
    .funding-phases {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main-nav {
        padding: 0.5rem;
    }

    .nav-links {
        width: 100%;
        justify-content: space-around;
        margin: 0.5rem 0;
    }

    .nav-links li {
        margin: 0;
    }

    .hero h1 {
        font-size: 2rem;
        padding: 0 1rem;
    }

    .hero-text {
        font-size: 1rem;
        padding: 0 1rem;
        color: #ffffff;
    }

    .features-grid,
    .stats-container {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .team-members {
        padding: 1rem;
    }

    .member {
        margin-bottom: 1rem;
    }

    .chart {
        flex-direction: column;
    }

    .chart-item {
        width: 100%;
        margin-bottom: 1rem;
    }

    .contact-form {
        padding: 1rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px;
    }

    .footer-content {
        padding: 1rem;
    }

    .social-links {
        justify-content: center;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .features-grid,
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .chart {
        flex-wrap: wrap;
    }

    .chart-item {
        width: 45%;
        margin-bottom: 1rem;
    }
}

@media print {
    .main-nav,
    .footer,
    .hero-buttons,
    .social-links {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    a {
        text-decoration: none;
        color: #000;
    }

    .content-with-nav {
        padding-top: 0;
    }
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: rgba(245, 245, 245, 0.9);
    }

    /* Navigation */
    .main-nav {
        background: #2c3e50;
    }

    .logo a {
        color: #2ecc71;
    }

    .nav-links a {
        color: #f5f5f5;
    }

    /* Content Sections */
    section {
        background: #2c3e50;
    }

    /* Keep cards bright for better readability */
    .feature-card,
    .member,
    .phase,
    .contact-item,
    .stat-item,
    .stage {
        background: #ffffff;
        color: #2c3e50;
    }

    /* Card Typography */
    .feature-card h3,
    .member h3,
    .phase h3,
    .stage h4 {
        color: #2c3e50;
    }

    .feature-card p,
    .member p,
    .phase p,
    .stage p {
        color: #4a5568;
    }

    /* Team Page Specific */
    .team-intro {
        background: #2c3e50;
        color: #f5f5f5;
    }

    .team-intro h2 {
        color: #f5f5f5;
    }

    .team-motivation {
        background: #2c3e50;
        color: #f5f5f5;
    }

    .team-motivation h2 {
        color: #f5f5f5;
    }

    /* Innovation Page Specific */
    .two-stage-process {
        background: #2c3e50;
        color: #f5f5f5;
    }

    .results li {
        background: #ffffff;
        color: #2c3e50;
    }

    /* About Page Specific */
    .funding-phases .phase {
        background: #ffffff;
    }

    .funding-phases .phase h3 {
        color: #2c3e50;
    }

    .funding-phases .phase p,
    .funding-phases .phase li {
        color: #4a5568;
    }

    /* Forms */
    .form-group label {
        color: #f5f5f5;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        background: #ffffff;
        color: #2c3e50;
        border-color: #4a6278;
    }

    /* Stats */
    .stat-number {
        color: #2ecc71;
    }

    .stat-desc {
        color: #4a5568;
    }

    /* Section Headers */
    section h2 {
        color: #f5f5f5;
        border-bottom-color: #2ecc71;
    }

    /* Lists */
    .results ul li,
    .cost-structure ul li {
        background: #ffffff;
        color: #2c3e50;
        border-left-color: #2ecc71;
    }

    /* Buttons */
    .btn.primary {
        background: #2ecc71;
        color: white;
    }

    .btn.secondary {
        border-color: #f5f5f5;
        color: #f5f5f5;
    }

    /* Footer */
    footer {
        background: #2c3e50;
    }

    .footer-section h4 {
        color: #2ecc71;
    }

    .footer-section a {
        color: #f5f5f5;
    }

    .footer-section a:hover {
        color: #2ecc71;
    }

    /* Target Customers Section Adjustments */
    .target-customers ul {
        background: transparent;
    }

    .target-customers li {
        background: #ffffff;
        color: #2c3e50;
        border: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .target-customers li:hover {
        background: #f8f9fa;
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }
}

:focus {
    outline: 3px solid #2ecc71;
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #2ecc71;
    color: white;
    padding: 8px;
    z-index: 1001;
}

.skip-link:focus {
    top: 0;
}

.logo img {
    height: 40px; 
    width: auto; 
    vertical-align: middle; 
    margin-right: 10px; 
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

@media (max-width: 768px) {
    .logo img {
        height: 32px;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.animate {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0;
}

.hero-content {
    animation: fadeIn 1s ease-out;
}

.feature-card {
    animation: scaleIn 0.5s ease-out forwards;
    opacity: 0;
    animation-delay: calc(var(--card-index, 0) * 0.1s);
}

.member {
    animation: fadeIn 0.5s ease-out forwards;
    opacity: 0;
    animation-delay: calc(var(--member-index, 0) * 0.2s);
}

.stat-item {
    animation: slideIn 0.5s ease-out forwards;
    opacity: 0;
    animation-delay: calc(var(--stat-index, 0) * 0.2s);
}

.nav-links a {
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: #2ecc71;
    transition: width 0.3s ease;
}

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

.btn {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: -100%;
    background: linear-gradient(to right, rgba(255,255,255,0.2), transparent);
    transition: left 0.3s ease;
}

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

.feature-card, .member, .phase {
    transition: all 0.3s ease;
}

.feature-card:hover, .member:hover, .phase:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.form-group input,
.form-group textarea,
.form-group select {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: #2ecc71;
    box-shadow: 0 0 0 2px rgba(46, 204, 113, 0.2);
}

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading.hide {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #2ecc71;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Multimedia Sections */
.multimedia-container {
    margin: 3rem 0;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 12px;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    margin-bottom: 2rem;
    background: #f8f9fa;
    border-radius: 12px;
    overflow: hidden;
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.video-description {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
    border-left: 4px solid #2ecc71;
}

.video-description h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.video-description p {
    color: #4a5568;
    line-height: 1.6;
    margin: 0;
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
    .video-container {
        background: #2c3e50;
    }

    .video-description {
        background: #ffffff;
    }

    .video-description h4 {
        color: #2c3e50;
    }

    .video-description p {
        color: #4a5568;
    }
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .video-container {
        margin-bottom: 1rem;
    }

    .video-description {
        padding: 1.5rem;
        margin-top: 1rem;
    }
}

.model-viewer-container {
    width: 100%;
    height: 500px;
    margin: 2rem 0;
    border-radius: 8px;
    overflow: hidden;
    background: #eee;
}

.model-viewer-container model-viewer {
    width: 100%;
    height: 100%;
    --poster-color: #ffffff;
}

/* Responsive adjustments for multimedia */
@media (max-width: 768px) {
    .multimedia-container {
        padding: 1rem;
    }
    
    .model-viewer-container {
        height: 300px;
    }
}

/* Animation for multimedia elements */
.multimedia-container {
    animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading states */
.video-container.loading,
.model-viewer-container.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Hero Video Section */
.hero-video-section {
    margin-top: 0 !important;
    padding: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    position: relative;
    height: calc(100vh - 80px); /* Full viewport height minus nav height */
    overflow: hidden;
}

.hero-video-section .multimedia-container {
    margin: 0;
    padding: 0;
    background: transparent;
    height: 100%;
    position: relative;
}

.hero-video-section .video-container {
    padding-bottom: 0;
    margin: 0;
    border-radius: 0;
    background: #000;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-video-section video {
    position: relative !important;
    height: 100% !important;
    width: auto !important;
    max-width: none;
    border-radius: 0;
    box-shadow: none;
}

.hero-video-section .video-description {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 2rem;
    margin: 0;
    border-left: none;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2;
}

.hero-video-section .video-description h2 {
    color: white;
    border: none;
    margin-bottom: 1rem;
    font-size: 2rem;
}

.hero-video-section .video-description p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 1.1rem;
}

.experimental-showcase {
    padding: 2rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    margin: 2rem 0;
}

.experimental-showcase .video-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    border: 1px solid #e0e0e0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding-bottom: 45%;
}

.experimental-showcase .play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.experimental-showcase .play-button:hover {
    background: rgba(0, 0, 0, 0.9);
}

@media (max-width: 768px) {
    .hero-video-section {
        height: calc(100vh - 120px);
    }

    .hero-video-section video {
        width: 100% !important;
        height: auto !important;
    }

    .hero-video-section .video-description {
        padding: 1.5rem;
    }

    .hero-video-section .video-description h2 {
        font-size: 1.5rem;
    }

    .hero-video-section .video-description p {
        font-size: 1rem;
    }

    #experimental-video .video-container {
        padding-bottom: 56.25%;
    }
}

@media (orientation: landscape) and (max-width: 1024px) {
    .hero-video-section video {
        width: auto !important;
        height: 100% !important;
    }
}

.video-container {
    position: relative;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.6);
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.play-button:hover {
    background: rgba(0, 0, 0, 0.8);
}

.play-icon {
    color: white;
    font-size: 24px;
}

.play-button.playing {
    opacity: 0;
}

.play-button.playing:hover {
    opacity: 1;
}

#experimental-video .video-container {
    max-width: 800px;
    margin: 0 auto;
    padding-bottom: 45%;
}

#experimental-video .video-description {
    max-width: 800px;
    margin: 2rem auto 0;
    padding: 1.5rem;
}

@media (max-width: 768px) {
    #experimental-video .video-container {
        padding-bottom: 56.25%;
    }
}

/* Market Challenges Section */
#market-challenges {
    padding: 2rem;
    background-color: var(--bg-light);
}

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

.challenge {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.challenge h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.challenge ul {
    list-style-type: none;
    padding-left: 0;
}

.challenge li {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.challenge li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* Competitive Analysis Section */
#competitive-analysis {
    padding: 2rem;
}

.competitor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.competitor {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

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

.competitor h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.our-advantages {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 10px;
    margin-top: 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.our-advantages ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    padding-left: 0;
    list-style-type: none;
}

.our-advantages li {
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.4;
}

.our-advantages li::before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* Go-To-Market Strategy Section */
#go-to-market {
    padding: 2rem;
    background-color: var(--bg-light);
}

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

.component {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.component h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.component ul {
    list-style-type: none;
    padding-left: 0;
}

.component li {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.component li::before {
    content: "→";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.member-photo {
    width: 200px;
    height: 200px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    background-color: #f5f5f5;
}

.member-photo img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    object-fit: cover;
}

.principle-diagram {
    margin: 1rem 0;
    text-align: center;
}

.process-diagram {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin: 0 auto;
    display: block;
    width: auto;
    max-width: 700px;
}

.validation-images {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.result-image {
    text-align: center;
}

.result-diagram {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin: 0 auto;
    display: block;
    width: auto;
    max-width: 700px;
}

@media (max-width: 768px) {
    .challenges-list,
    .competitor-grid,
    .strategy-components {
        grid-template-columns: 1fr;
    }

    .our-advantages ul {
        grid-template-columns: 1fr;
    }
    .member-photo {
        width: 150px;
        height: 150px;
    }
    .process-diagram,
    .result-diagram {
        max-width: 100%;
        margin: 1rem auto;
    }
}