:root {
    --spartan-green: #18453B;
    --spartan-green-light: #2a6b5c;
    --spartan-green-dark: #0f2a25;
    --white: #FFFFFF;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
}

a {
    color: var(--spartan-green);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover, a:focus {
    color: var(--spartan-green-light);
    text-decoration: underline;
}

a:focus {
    outline: 2px solid var(--spartan-green);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--spartan-green);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    z-index: 1000;
    border-radius: 0 0 8px 8px;
}

.skip-link:focus {
    top: 0;
}

header {
    background: var(--spartan-green);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.site-title {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
}

.site-title:hover {
    text-decoration: none;
    opacity: 0.9;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--white);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--white);
    transition: width 0.2s ease;
}

.nav-links a:hover::after,
.nav-links a:focus::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    margin: 5px 0;
    transition: 0.3s;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    min-height: calc(100vh - 200px);
}

.hero {
    background: linear-gradient(135deg, var(--spartan-green) 0%, var(--spartan-green-dark) 100%);
    color: var(--white);
    padding: 4rem 2rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
}

.section {
    margin-bottom: 4rem;
}

.section h2 {
    color: var(--spartan-green);
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid var(--spartan-green);
}

.section h3 {
    color: var(--spartan-green-dark);
    font-size: 1.25rem;
    margin: 1.5rem 0 0.75rem;
}

.section p {
    margin-bottom: 1rem;
}

.content-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.content-card h3 {
    margin-top: 0;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.card h3 {
    color: var(--spartan-green);
    margin-top: 0;
}

.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--spartan-green) 0%, var(--spartan-green-light) 100%);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(24, 69, 59, 0.3);
}

.btn:hover {
    background: linear-gradient(135deg, var(--spartan-green-light) 0%, var(--spartan-green) 100%);
    color: var(--white);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(24, 69, 59, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--spartan-green);
    color: var(--spartan-green);
    box-shadow: none;
}

.btn-outline:hover {
    background: linear-gradient(135deg, var(--spartan-green) 0%, var(--spartan-green-light) 100%);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(24, 69, 59, 0.3);
}

.highlight-box {
    background: var(--gray-100);
    border-left: 4px solid var(--spartan-green);
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.two-column {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

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

.footer-container p {
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

ol, ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

img {
    max-width: 100%;
    height: auto;
}

blockquote {
    border-left: 4px solid var(--spartan-green);
    padding-left: 1rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--gray-600);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 1rem;
        padding-top: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section h2 {
        font-size: 1.5rem;
    }
}

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