/* Base styles and CSS reset */
:root {
    --primary-color: #1a1a1a;
    --secondary-color: #6dd4d4;
    --background-gray: #f8f9fa;
    --text-color: #333;
    --link-color: #0066cc;
    --link-hover: #8e1a1a;
    --spacing-unit: 1rem;
    --container-width: 1200px;
}

/* Modern CSS Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Improve text rendering */
body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.5;
    color: var(--text-color);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Improve accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Layout Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
    width: 100%;
}

/* Header styles */
header {
    position: sticky;
    top: 0;
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

.logo {
    padding: var(--spacing-unit);
}

.logo img {
    max-height: 60px;
    width: auto;
}

/* Navigation */
nav {
    padding: var(--spacing-unit);
}

nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-unit);
    list-style: none;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

nav a:hover,
nav a:focus {
    color: var(--link-hover);
    outline: none;
}

/* Hero Section */
.hero {
    margin-bottom: 2rem;
}

.scrolling-section {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.scrolling-section::-webkit-scrollbar {
    display: none;
}

.scroll-item {
    flex: 0 0 100%;
    scroll-snap-align: start;
    object-fit: cover;
    height: auto;
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: var(--spacing-unit);
}

.news-grid article {
    background: white;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.news-grid article:hover {
    transform: translateY(-4px);
}

.news-grid img {
    width: 100%;
    height: auto;
    border-radius: 4px 4px 0 0;
}

.news-grid h2 {
    font-size: 1.25rem;
    margin: 1rem;
}

.news-grid time {
    color: #666;
    font-size: 0.875rem;
    margin: 1rem;
}

/* Companies Section */
.companies {
    padding: 2rem 0;
    background: var(--background-gray);
}

#companies {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2rem;
    padding: var(--spacing-unit);
}

.company-item img {
    width: 100%;
    height: auto;
    transition: opacity 0.3s ease;
}

.company-item img:hover {
    opacity: 0.8;
}

/* Contact Section */
.contact-info {
    background: var(--background-gray);
    padding: 3rem 0;
}

.careers ul {
    list-style: none;
}

.careers li {
    padding: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

/* Footer */
footer {
    background: var(--primary-color);
    color: white;
    padding: 2rem 0;
}

footer nav ul {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

footer a {
    color: white;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

footer a:hover {
    opacity: 1;
}

/* Utility Classes */
.bg-gray {
    background-color: var(--background-gray);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    nav ul {
        justify-content: center;
    }

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

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }

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

    #companies {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Print styles */
@media print {
    nav, 
    .scrolling-section,
    .company-item img {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    a[href]::after {
        content: " (" attr(href) ")";
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --text-color: #000;
        --background-gray: #fff;
        --link-color: #0000EE;
        --link-hover: #551A8B;
    }
}