/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Header Styles */
header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 0;
    border-bottom: 2px solid #000;
}

header h1 {
    font-size: 2.2em;
    font-weight: 700;
    color: #000;
    margin: 0;
}

/* Navigation Styles (for future use) */
.navigation {
    background-color: #1a1a1a;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: 500;
}

.nav-link.active {
    background-color: #007acc;
}

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

/* Main content container */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 20px;
}

/* Service grid */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-item {
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
}

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

.subtitle {
    font-size: 1.1rem;
    color: #666;
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}


section {
    margin-bottom: 50px;
}

.section {
    padding: 3rem 0;
    border-bottom: 1px solid #e5e5e5;
}

.section:last-child {
    border-bottom: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: #222;
}

h1 { font-size: 2.5rem; margin-bottom: 0.5rem; }
h2 { 
    font-size: 1.8em;
    font-weight: 600;
    color: #000;
    margin-bottom: 20px;
    border-left: 4px solid #000;
    padding-left: 15px;
}
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; margin-bottom: 0.75rem; }

p {
    margin-bottom: 1rem;
    color: #555;
}

a {
    color: #0066cc;
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

/* Cards */
.card {
    background-color: #ffffff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
}

/* Grid */
.grid {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* Navigation Button */
.nav-button {
    display: inline-block;
    background-color: #007acc;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    margin-top: 1rem;
}

/* Introduction */
.introduction p {
    font-size: 1.1em;
    line-height: 1.8;
    color: #333;
    max-width: 900px;
}

/* Table styles */
.table-container {
    overflow-x: auto;
    margin: 20px 0;
    border: 1px solid #ccc;
    border-radius: 8px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9em;
    background-color: #fff;
}

th {
    background-color: #f5f5f5;
    color: #000;
    font-weight: 600;
    padding: 12px 8px;
    text-align: center;
    border-bottom: 2px solid #000;
    white-space: nowrap;
}

th:first-child {
    text-align: left;
    padding-left: 15px;
}

td {
    padding: 10px 8px;
    text-align: center;
    border-bottom: 1px solid #ddd;
}

td:first-child {
    text-align: left;
    padding-left: 15px;
    font-weight: 500;
    color: #000;
}

tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* Form styles */
form {
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 2rem;
    margin: 2rem 0;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    background-color: #fff;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #007acc;
    box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.2);
}

button {
    background-color: #007acc;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
}

button:hover {
    background-color: #005a99;
}

button:active {
    background-color: #004477;
}

/* Lists */
ul, ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

li {
    margin-bottom: 0.5rem;
    color: #555;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px 0;
    border-top: 2px solid #000;
    color: #666;
    font-style: italic;
    background-color: #f8f8f8;
    margin-top: 2rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    table {
        font-size: 0.8em;
    }
    
    th,
    td {
        padding: 8px 4px;
    }
    
    form {
        padding: 1.5rem;
    }
}