/* Treasure Trails LLC - Main Stylesheet */
/* Mobile-first, accessible, high-contrast design */

/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* System Font Stack */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    font-size: 1rem;
}

/* Skip Link */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #000;
    color: #fff;
    padding: 8px;
    text-decoration: none;
    z-index: 1000;
    border-radius: 4px;
}

.skip-link:focus {
    top: 6px;
}

/* Focus Styles */
*:focus {
    outline: 2px solid #0066cc;
    outline-offset: 2px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
header {
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    padding: 1rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #0066cc;
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    flex-wrap: wrap;
}

nav a {
    color: #333;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.2s;
}

nav a:hover,
nav a:focus {
    background-color: #e9ecef;
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: #0066cc;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.2s;
    min-height: 44px;
    min-width: 44px;
    text-align: center;
}

.btn:hover,
.btn:focus {
    background-color: #0052a3;
}

.btn-secondary {
    background-color: #6c757d;
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: #545b62;
}

/* Cards */
.card {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card h3 {
    margin-bottom: 1rem;
    color: #333;
}

/* Grid Layout */
.grid {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.grid-2 {
    grid-template-columns: 1fr;
}

.grid-3 {
    grid-template-columns: 1fr;
}

/* Breadcrumbs */
.breadcrumbs {
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.breadcrumbs a {
    color: #0066cc;
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

/* Notices and Alerts */
.notice {
    background-color: #e7f3ff;
    border-left: 4px solid #0066cc;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.warning {
    background-color: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.muted {
    color: #6c757d;
    font-size: 0.9rem;
}

/* Forms */
form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input,
textarea,
select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

input:focus,
textarea:focus,
select:focus {
    border-color: #0066cc;
    outline: none;
}

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

/* Footer */
footer {
    background-color: #333;
    color: #fff;
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer-content {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: #fff;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    padding: 0.25rem 0;
    display: block;
}

.footer-section a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid #555;
    margin-top: 2rem;
    padding-top: 1rem;
    text-align: center;
    font-size: 0.9rem;
    color: #ccc;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* High Contrast Mode */
.high-contrast {
    filter: contrast(150%) brightness(110%);
}

/* Responsive Design */
@media (min-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
    }
    
    nav ul {
        gap: 2rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
    
    .hero {
        padding: 4rem 0;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
}

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

/* Print Styles */
@media print {
    header,
    footer,
    .btn {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}