:root {
    --primary-color: #2a5d31;
    --primary-light: #4a7c55;
    --primary-dark: #1e4022;
    --secondary-color: #7fad69;
    --accent-color: #f8faf6;
    --accent-warm: #f5f7f1;
    --announcement-color: #34495e;
    --dark-color: #2c3e50;
    --text-light: #6c757d;
    --background-color: #ffffff;
    --card-shadow: 0 10px 30px rgba(42, 93, 49, 0.08);
    --card-shadow-hover: 0 20px 40px rgba(42, 93, 49, 0.15);
    --border-radius: 16px;
    --border-radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.7;
    color: var(--dark-color);
    background: linear-gradient(135deg, var(--background-color) 0%, var(--accent-color) 100%);
    min-height: 100vh;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header Styles */
header {
    text-align: center;
    padding: 0 0 3rem 0;
    background: linear-gradient(to bottom, rgba(255,255,255,0.95), transparent);
    backdrop-filter: blur(10px);
    position: relative;
}

.banner-container {
    position: relative;
    width: 100%;
    margin-bottom: 0;
}

.banner {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.logo {
    max-width: 184px;
    height: auto;
    border-radius: 50%;
    filter: drop-shadow(0 3px 5px rgba(0,0,0,0.2));
    background-color: white;
    padding: 5px;
}

.mobile-logo {
    display: block;
    text-align: center;
    margin: 2rem auto;
    width: 100%;
}

.mobile-logo .logo {
    margin: 0 auto;
    display: block;
}



.tagline {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin: 2rem 0 1rem 0;
    font-weight: 700;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
    padding: 0 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.tagline a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline a:hover {
    transform: scale(1.05);
    filter: brightness(1.2);
}

.tagline::before, .tagline::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 60px;
    height: 3px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    transform: translateY(-50%);
    border-radius: 2px;
    opacity: 0.7;
}

.tagline::before {
    left: -80px;
}

.tagline::after {
    right: -80px;
}

.announcement {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    padding: 1.2rem 2rem;
    margin: 2rem auto 3rem auto;
    max-width: 800px;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
    font-size: 1.1rem;
}

.announcement::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
}

/* Main Content Styles */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem 4rem 2rem;
}

.categories-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin: 0;
    perspective: 1000px;
}

.category-card {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.category-card:hover {
    transform: translateY(-12px) rotateX(5deg);
    box-shadow: var(--card-shadow-hover);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

.category-image {
    width: 100%;
    height: 280px;
    object-fit: contain;
    object-position: center;
    transition: var(--transition);
    position: relative;
    z-index: 2;
    background: white;
    padding: 1rem;
}

.category-card:hover .category-image {
    transform: scale(1.05);
}

.category-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    position: relative;
    z-index: 2;
}

.category-title {
    font-size: 2rem;
    margin: 0;
    color: var(--primary-color);
    font-weight: 700;
    text-align: center;
    letter-spacing: -0.3px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.category-link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
    transition: var(--transition);
}

.category-link:hover {
    color: inherit;
}

/* Footer Styles */
footer {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: white;
    padding: 3rem 2rem 2rem;
    text-align: center;
    margin-top: 4rem;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}


.social-links {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-links a {
    color: white;
    font-size: 1.8rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-links a:hover {
    color: var(--primary-color);
    background: white;
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.copyright {
    font-size: 0.9rem;
    opacity: 0.8;
    font-weight: 300;
}

/* Responsive Design */
@media (max-width: 768px) {
    main {
        padding: 0 1rem 3rem 1rem;
    }
    
    .categories-container {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 2rem;
    }
    
    .category-image {
        height: 240px;
    }
    
    .tagline {
        font-size: 2.2rem;
    }
    
    .tagline::before, .tagline::after {
        width: 40px;
    }
    
    .tagline::before {
        left: -60px;
    }
    
    .tagline::after {
        right: -60px;
    }
    
    .announcement {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .categories-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .tagline {
        font-size: 1.8rem;
    }
    
    .tagline::before, .tagline::after {
        display: none;
    }
    
    .announcement {
        margin: 1.5rem auto 2rem auto;
        padding: 0.8rem 1rem;
    }
    
    .social-links {
        gap: 1.5rem;
    }
    
    .social-links a {
        width: 50px;
        height: 50px;
    }

    .mobile-logo .logo {
        max-width: 140px;
    }

    .category-image {
        height: 200px;
    }
    
    .category-content {
        padding: 1.5rem;
    }
    
    .category-title {
        font-size: 1.6rem;
    }
}

/* X Icon Style */
.x-icon {
    font-family: 'Arial', sans-serif;
    font-weight: bold;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}