:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --background-color: #f8fafc;
    --text-color: #1e293b;
    --card-background: #ffffff;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

header {
    background-color: var(--card-background);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
}

.try-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
}

main {
    margin-top: 4rem;
}

.hero {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.hero-image img {
    width: 100%;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    margin-top: 1rem;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: var(--secondary-color);
}

.features {
    padding: 4rem 2rem;
    background-color: var(--card-background);
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

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

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 4rem;
    gap: 4rem;
}

.feature-item:nth-child(even) {
    flex-direction: row-reverse;
}

.feature-content {
    flex: 1;
}

.feature-image {
    flex: 1;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
}

.feature-content h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.team {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 2rem;
}

.team h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

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

.profile-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    border: 3px solid var(--primary-color);
}

.team-member {
    padding: 25px;
    text-align: center;
    word-wrap: break-word;
    overflow-wrap: break-word;
    background-color: var(--card-background);
    border-radius: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.team-member a {
    display: block;
    margin: 5px 0;
    word-break: break-all;
    color: #666;
    text-decoration: none;
    padding: 5px;
}

.team-member a.website-link {
    color: var(--primary-color);
    font-weight: 500;
    margin-top: 8px;
}

.team-member a:hover {
    text-decoration: underline;
}

.team-member i {
    margin-right: 5px;
}

.team-member p {
    margin: 5px 0;
}

footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--card-background);
    margin-top: 4rem;
}

.research {
    padding: 4rem 2rem;
    background-color: var(--background-color);
}

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

.research h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.paper {
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.paper-title {
    font-size: 1.2rem;
    font-weight: 500;
    margin: 1rem 0;
}

.authors {
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 1rem;
}

.paper-link {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: background-color 0.3s;
}

.paper-link:hover {
    background-color: var(--secondary-color);
}

.conference {
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 1rem;
    font-style: italic;
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    nav ul {
        display: none;
    }

    .feature-item {
        flex-direction: column !important;
        gap: 2rem;
    }

    .feature-content {
        text-align: center;
    }

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