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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    background-color: #f0f8ff;
}

header {
    background-color: #1a3a6e;
    color: white;
    padding: 1.5rem 1rem;
    border-radius: 0 0 10px 10px;
    margin-bottom: 1.5rem;
    text-align: center;
}

h1 {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    margin-bottom: 1rem;
    word-wrap: break-word;
}

h2 {
    font-size: clamp(1.3rem, 4vw, 1.8rem);
    margin: 1.5rem 0 1rem;
    color: #1a3a6e;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
    word-wrap: break-word;
}

h3 {
    font-size: clamp(1.1rem, 3.5vw, 1.4rem);
    margin: 1.5rem 0 1rem;
    color: #c41e3a;
    word-wrap: break-word;
}

p {
    margin-bottom: 1.2rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

a {
    color: #0056b3;
    text-decoration: none;
    word-break: break-word;
}

a:hover {
    text-decoration: underline;
}

.container {
    background-color: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
    border-top: 5px solid #1a3a6e;
    border-bottom: 5px solid #c41e3a;
}

code {
    background-color: #f4f4f4;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: Consolas, Monaco, 'Andale Mono', monospace;
    font-size: 0.85em;
    word-break: break-word;
}

pre {
    background-color: #f4f4f4;
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
    margin: 1rem 0;
    border-left: 4px solid #0056b3;
    font-size: 0.85rem;
}

pre code {
    word-break: normal;
    white-space: pre;
}

ul,
ol {
    margin: 1rem 0 1rem 1.5rem;
}

li {
    margin-bottom: 0.5rem;
    word-wrap: break-word;
}

blockquote {
    background-color: #f9f9f9;
    border-left: 4px solid #c41e3a;
    padding: 1rem;
    margin: 1rem 0;
    font-style: italic;
    word-wrap: break-word;
}

.warning {
    background-color: #ffe8e8;
    border-left: 4px solid #c41e3a;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
    word-wrap: break-word;
}

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

.feature-card {
    background-color: #f0f8ff;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    border-top: 3px solid #1a3a6e;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-top: 3px solid #c41e3a;
}

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

.toc {
    background-color: #f0f8ff;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
    border: 1px solid #1a3a6e;
    border-left: 4px solid #c41e3a;
}

.toc h2 {
    margin-top: 0;
}

.toc ul {
    list-style-type: none;
    margin-left: 0;
}

.toc li {
    margin-bottom: 0.5rem;
}

.faq-section {
    margin-top: 2rem;
}

.faq-section h3 {
    cursor: pointer;
    padding: 0.75rem;
    background-color: #f0f8ff;
    border-radius: 4px;
    margin-top: 1rem;
    user-select: none;
}

.faq-section h3:hover {
    background-color: #e0f0ff;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    overflow-x: auto;
    display: block;
}

.comparison-table table {
    width: 100%;
    min-width: 500px;
}

.comparison-table th,
.comparison-table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
    word-wrap: break-word;
}

.comparison-table th {
    background-color: #1a3a6e;
    color: white;
}

.comparison-table tr:nth-child(even) {
    background-color: #f2f2f2;
}

footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
    color: #7f8c8d;
    font-size: 0.9rem;
    border-top: 1px solid #eee;
}

/* Social Media Icons */
.social-icons-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 10px;
    background-color: #f0f8ff;
}

.social-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.social-icons a {
    color: inherit;
    text-decoration: none;
    transition: transform 0.3s ease, color 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.social-icons a:hover {
    transform: translateY(-5px);
    opacity: 0.8;
}

.social-icons a i {
    font-size: 2rem;
}

/* Tablet Breakpoint */
@media (max-width: 768px) {
    body {
        padding: 0 10px;
    }

    header {
        padding: 1.25rem 0.75rem;
        margin-bottom: 1rem;
        border-radius: 0 0 8px 8px;
    }

    .container {
        padding: 1.25rem;
        margin-bottom: 1rem;
        border-top: 3px solid #1a3a6e;
        border-bottom: 3px solid #c41e3a;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .feature-card {
        padding: 1.25rem;
    }

    .toc {
        padding: 1.25rem;
    }

    ul,
    ol {
        margin-left: 1.25rem;
    }

    pre {
        padding: 0.75rem;
        font-size: 0.8rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 6px;
        font-size: 0.9rem;
    }
}

/* Mobile Breakpoint */
@media (max-width: 576px) {
    body {
        padding: 0 8px;
        font-size: 0.95rem;
    }

    header {
        padding: 1rem 0.5rem;
    }

    .container {
        padding: 1rem;
        border-radius: 8px;
    }

    .feature-card {
        padding: 1rem;
    }

    .toc {
        padding: 1rem;
    }

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

    blockquote,
    .warning {
        padding: 0.75rem;
    }

    .social-icons {
        gap: 15px;
    }

    .social-icons a i {
        font-size: 1.5rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 5px;
        font-size: 0.85rem;
    }

    footer {
        font-size: 0.85rem;
        padding: 1.5rem 0;
    }
}

/* Extra Small Mobile Breakpoint */
@media (max-width: 375px) {
    body {
        padding: 0 5px;
        font-size: 0.9rem;
    }

    header {
        padding: 0.75rem 0.5rem;
    }

    .container {
        padding: 0.75rem;
        border-radius: 6px;
    }

    .feature-card,
    .toc {
        padding: 0.75rem;
    }

    .social-icons {
        gap: 10px;
    }

    .social-icons a i {
        font-size: 1.25rem;
    }

    pre {
        padding: 0.5rem;
        font-size: 0.75rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 4px;
        font-size: 0.8rem;
    }
}

/* Landscape Mobile Orientation */
@media (max-height: 500px) and (orientation: landscape) {
    header {
        padding: 0.75rem 1rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    .container {
        padding: 1rem;
    }
}

/* Touch Device Improvements */
@media (hover: none) and (pointer: coarse) {
    .faq-section h3,
    .feature-card,
    .social-icons a {
        -webkit-tap-highlight-color: transparent;
    }

    .faq-section h3:active {
        background-color: #d0e8ff;
    }

    .social-icons a:active {
        transform: scale(0.95);
    }
}