:root {
    --primary-color: #2C2E35;
    --secondary-color: #04316A;
    --text-color: #333;
    --background-color: #fff;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition-speed: 0.3s;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

/* Titlebar Styles */
.titlebar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--background-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all var(--transition-speed) ease;
    padding: 1rem 2rem;
}

.titlebar.scrolled {
    padding: 0.5rem 2rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    height: 40px;
    transition: height var(--transition-speed) ease;
}

.titlebar.scrolled .logo {
    height: 30px;
}

.logo-container h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: font-size var(--transition-speed) ease;
}

.titlebar.scrolled .logo-container h1 {
    font-size: 1.2rem;
}

/* Main Content Styles */
main {
    margin-top: 80px;
    padding: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Section */
.hero {
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.team-image-container {
    position: relative;
    margin-bottom: 2rem;
}

.team-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
}

.image-subtitle {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.hero-text {
    max-width: 800px;
    margin: 0 auto;
}

.hero-text h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Sponsors Section */
.sponsors {
    margin-top: 4rem;
}

.main-sponsor {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    transition: transform var(--transition-speed) ease;
    text-decoration: none;
    color: inherit;
}

.main-sponsor:hover {
    text-decoration: none;
    transform: scale(1.02);
}

.main-sponsor-logo {
    width: 300px;
    height: auto;
    object-fit: contain;
    padding: 1rem;
}

.main-sponsor .sponsor-info {
    flex: 1;
    padding: 1rem;
}

.main-sponsor h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.main-sponsor p {
    color: var(--text-color);
}

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

.sponsor-cards {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sponsor-card {
    display: flex;
    align-items: center;
    padding: 2rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-speed) ease;
    text-decoration: none;
    color: inherit;
}

.sponsor-card:hover {
    text-decoration: none;
    transform: translateY(0) scale(1.02);
}

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

.sponsor-card.visible:hover {
    transform: scale(1.02);
}

.sponsor-card:nth-child(even) {
    flex-direction: row-reverse;
}

.sponsor-logo {
    width: 200px;
    height: auto;
    object-fit: contain;
    padding: 1rem;
}

.sponsor-info {
    flex: 1;
    padding: 1rem;
}

.sponsor-info h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Group Image Section */
.group-image {
    margin: 4rem 0;
    text-align: center;
}

.group-image .working-image-container {
    max-width: 800px;
    margin: 0 auto;
}

.group-photo {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
}

/* Link Hover Effects */
a {
    transition: transform var(--transition-speed) ease;
    display: inline-block;
}

/* Style for links within paragraphs */
p a {
    color: inherit;
    text-decoration: none;
    font-weight: bold;
    display: inline;
}

p a:hover {
    text-decoration: underline;
}

a:hover {
    transform: scale(1.05);
}

/* Footer Styles */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-logo {
    height: 30px;
    width: auto;
}

footer p {
    margin: 0;
    color: white;
}

footer a {
    color: white;
    text-decoration: none;
    transition: opacity var(--transition-speed) ease;
}

footer a:hover {
    opacity: 0.8;
}

.github-link {
    display: flex;
    align-items: center;
}

.github-logo {
    height: 24px;
    width: 24px;
    filter: brightness(0) invert(1);
    opacity: 0.8;
    transition: opacity var(--transition-speed) ease;
}

.github-logo:hover {
    opacity: 1;
}

/* Working Images Section */
.working-images {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 4rem 0;
}

.working-image-container {
    position: relative;
    max-width: 45%;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.working-image-container.visible {
    opacity: 1;
    transform: translateY(0);
}

.working-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
}

.image-subtitle {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sponsor-card {
        flex-direction: column !important;
        text-align: center;
    }

    .sponsor-card:nth-child(even) {
        flex-direction: column !important;
    }

    .sponsor-logo {
        width: 150px;
        margin-bottom: 1rem;
    }

    .main-sponsor {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
    }

    .main-sponsor-logo {
        width: 200px;
        margin-bottom: 1rem;
    }

    .titlebar {
        padding: 1rem;
    }

    main {
        padding: 1rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .footer-logo {
        margin: 0.5rem 0;
    }

    .working-images {
        flex-direction: column;
        align-items: center;
    }

    .working-image-container {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .logo-container h1 {
        font-size: 1.2rem;
    }

    .logo {
        height: 30px;
    }

    .sponsor-logo {
        width: 120px;
    }
}