/* Reset and Base Styles */
:root {
    --color-accent: #2a7d5b;
    --color-accent-light: #34a06e;
    --color-accent-dark: #1a5c3a;
    --color-accent-border: #d4edda;
    --color-accent-underline: #b8dfc9;
    --color-header: #2c3e50;
    --color-header-hover: #34495e;
    --color-heading: #2c3e50;
    --color-heading-secondary: #34495e;
    --color-text: #333;
    --color-hero-start: #1a6b4a;
    --color-hero-end: #2a8c5f;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: #fff;
}

/* Skip to main content link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #000;
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

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

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

/* Header and Navigation */
header {
    background-color: var(--color-header);
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    padding: 1rem 0;
    display: inline-block;
}

.logo a:hover,
.logo a:focus {
    color: var(--color-accent-light);
    outline: 2px solid var(--color-accent-light);
    outline-offset: 4px;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    padding: 1rem;
    display: block;
    transition: background-color 0.3s ease, color 0.3s ease;
    border-radius: 4px;
}

.nav-menu a:hover,
.nav-menu a:focus {
    background-color: var(--color-header-hover);
    color: var(--color-accent-light);
    outline: 2px solid var(--color-accent-light);
}

.nav-menu a.active {
    background-color: var(--color-accent);
    font-weight: 600;
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-hero-start) 0%, var(--color-hero-end) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero .tagline {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
}

/* Content Sections */
.content {
    padding: 3rem 0;
}

.content h1 {
    font-size: 2.5rem;
    color: var(--color-heading);
    margin-bottom: 1.5rem;
}

.content h2 {
    font-size: 1.75rem;
    color: var(--color-heading-secondary);
    margin-top: 2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.25rem;
    border-bottom: 2px solid var(--color-accent-border);
}

.content h3 {
    font-size: 1.25rem;
    color: var(--color-heading-secondary);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.content p {
    margin-bottom: 1rem;
    font-size: 1.125rem;
    line-height: 1.8;
}

.content ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.content ul li {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
    line-height: 1.8;
}

.content a {
    color: var(--color-accent);
    text-decoration: underline;
    text-decoration-color: var(--color-accent-underline);
    text-underline-offset: 2px;
    transition: color 0.2s ease;
}

.content a:hover,
.content a:focus {
    color: var(--color-accent-dark);
    text-decoration-color: var(--color-accent);
}

/* Contact Info */
.contact-info {
    margin-top: 2rem;
}

/* Footer */
footer {
    background-color: var(--color-header);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

footer p {
    margin: 0;
}

/* Focus States for Accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .logo a {
        padding: 0.75rem 0;
    }

    .nav-menu {
        width: 100%;
        flex-direction: column;
        gap: 0;
    }

    .nav-menu a {
        padding: 0.75rem 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero .tagline {
        font-size: 1.125rem;
    }

    .content h1 {
        font-size: 2rem;
    }

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

    .content h3 {
        font-size: 1.125rem;
    }

    .content p,
    .content ul li {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .hero {
        padding: 2rem 0;
    }

    .content {
        padding: 2rem 0;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    body {
        color: #000;
    }

    .nav-menu a:hover,
    .nav-menu a:focus {
        background-color: #000;
        color: #fff;
    }
}

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

/* Print Styles */
@media print {
    header,
    footer {
        background-color: white;
        color: black;
    }

    .nav-menu {
        display: none;
    }

    a {
        text-decoration: underline;
        color: black;
    }
}