* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --teal: #008080;
    --cyan: #00CED1;
    --blue: #1E90FF;
    --lime-green: #32CD32;
    --dark-green: #006400;
    --light: #f0f8ff;
    --dark: #2c3e50;
    --text: #333;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
    background-color: #f9f9f9;
    color: var(--text);
    line-height: 1.6;
}

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

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--teal), var(--blue));
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

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

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

.logo i {
    font-size: 2rem;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    white-space: nowrap;
}

.logo span {
    color: var(--lime-green);
}

/* Navigation */
nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.8rem 1rem;
    border-radius: 4px;
    transition: background 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

nav a:hover, nav a.active {
    background: rgba(255, 255, 255, 0.2);
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Banner Styles */
.banner-container {
    position: relative;
    height: 500px;
    overflow: hidden;
    border-radius: 0 0 10px 10px;
    box-shadow: var(--shadow);
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-slide.active {
    opacity: 1;
}

.banner-content {
    text-align: center;
    color: white;
    background: rgba(0, 0, 0, 0.6);
    padding: 2rem;
    border-radius: 10px;
    max-width: 80%;
}

.banner-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-content p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-block;
    background: var(--lime-green);
    color: white;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}

.btn:hover {
    background: var(--dark-green);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.banner-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background 0.3s;
}

.dot.active {
    background: white;
}

/* Main Content Styles */
.section {
    padding: 5rem 0;
    display: none;
}

.section.active {
    display: block;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--teal);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    white-space: nowrap;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--cyan);
    border-radius: 2px;
}

.section-title p {
    font-size: 1.2rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

/* Quick Links */
.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.quick-link {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    text-decoration: none;
    color: var(--text);
    box-shadow: var(--shadow);
    transition: all 0.3s;
    cursor: pointer;
}

.quick-link:hover {
    transform: translateY(-10px);
    color: var(--text);
}

.quick-link i {
    font-size: 3rem;
    color: var(--blue);
    margin-bottom: 1rem;
}

.quick-link h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--teal);
}

/* Horizontal Category Selector */
.category-selector {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    overflow-x: auto;
    padding-bottom: 10px;
}

.category-btn {
    padding: 1rem 1.5rem;
    background: white;
    border: 2px solid var(--light);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-btn:hover {
    border-color: var(--blue);
    background: #f0f8ff;
}

.category-btn.active {
    background: var(--blue);
    color: white;
    border-color: var(--blue);
}

/* Project Categories */
.project-category {
    display: none;
    animation: fadeIn 0.5s ease;
}

.project-category.active {
    display: block;
}

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

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--teal);
}

.project-content p {
    color: #666;
    margin-bottom: 1rem;
}

/* Role Options */
.role-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.role-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

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

.role-icon {
    font-size: 3rem;
    color: var(--blue);
    margin-bottom: 1rem;
}

/* Competition Categories */
.competition-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.category-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
}

.category-card h3 {
    color: var(--teal);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--light);
}

.competition-list {
    list-style: none;
}

.competition-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

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

.competition-list a {
    color: var(--blue);
    text-decoration: none;
    transition: color 0.3s;
}

.competition-list a:hover {
    color: var(--cyan);
}

.no-competitions {
    text-align: center;
    padding: 2rem;
    color: #666;
    font-style: italic;
}

.no-competitions i {
    font-size: 3rem;
    color: #ccc;
    margin-bottom: 1rem;
    display: block;
}

/* About Section */
.about-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--teal);
}

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

.about-text ul {
    list-style: none;
    margin-left: 1rem;
}

.about-text li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.about-text li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--lime-green);
    font-weight: bold;
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
}

.about-image:hover img {
    transform: scale(1.05);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--teal);
}

.contact-info p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.contact-info i {
    color: var(--blue);
    width: 20px;
    margin-right: 10px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
footer {
    background: var(--dark-green);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--cyan);
}

.footer-column p, .footer-column a {
    margin-bottom: 1rem;
    display: block;
    color: #e0f8f8;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #e0f8f8;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--teal);
        padding: 1rem;
    }

    nav ul.show {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .banner-container {
        height: 400px;
    }

    .banner-content h2 {
        font-size: 2rem;
    }

    .banner-content p {
        font-size: 1rem;
    }

    .section {
        padding: 3rem 0;
    }

    .about-content {
        flex-direction: column;
    }

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

    .category-selector {
        flex-wrap: wrap;
    }
}

@media (max-width: 576px) {
    .logo h1 {
        font-size: 1.5rem;
    }

    .banner-container {
        height: 350px;
    }

    .banner-content {
        padding: 1.5rem;
    }

    .banner-content h2 {
        font-size: 1.5rem;
    }

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

    .quick-links {
        grid-template-columns: 1fr;
    }
}