/* =========================================
   1. Reset & Variables (Modern Foundation)
   ========================================= */
:root {
    /* Color Palette */
    --color-primary: #0d47a1; /* Deep Blue */
    --color-primary-light: #5472d3;
    --color-secondary: #002171;
    --color-accent: #2e7d32; /* Success Green for CTA */
    --color-accent-hover: #1b5e20;
    --color-text-main: #263238;
    --color-text-muted: #607d8b;
    --color-bg-body: #f5f7fa;
    --color-bg-card: #ffffff;
    --color-border: #e0e6ed;
    --color-shadow: rgba(13, 71, 161, 0.1);

    /* Typography */
    --font-family-base: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --line-height-base: 1.6;
    --font-size-base: 1rem;
    
    /* Spacing & Layout */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --container-width: 1100px;
    --border-radius: 12px;
    --border-radius-sm: 6px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 100%;
}

body {
    font-family: var(--font-family-base);
    background-color: var(--color-bg-body);
    color: var(--color-text-main);
    line-height: var(--line-height-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =========================================
   2. Layout & Container
   ========================================= */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.site-content {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

/* =========================================
   3. Typography
   ========================================= */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-secondary);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: var(--spacing-md);
    position: relative;
}

h1::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-accent);
    margin: var(--spacing-xs) auto 0;
    border-radius: 2px;
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    border-left: 5px solid var(--color-primary);
    padding-left: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

h3 {
    font-size: 1.5rem;
    margin-top: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    color: var(--color-text-main);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
    border-bottom: 1px solid transparent;
}

a:hover {
    color: var(--color-primary-light);
    border-bottom-color: var(--color-primary-light);
}

/* =========================================
   4. Buttons & Interactive Elements
   ========================================= */
.wp-block-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.btn-box {
    display: inline-block;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    color: white !important;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(46, 125, 50, 0.4);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

.btn:hover, .btn:focus {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(46, 125, 50, 0.6);
    border-bottom: none;
}

.btn:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.4);
}

/* =========================================
   5. Content Styling (Images, Tables, Lists)
   ========================================= */
.entry-content {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px var(--color-shadow);
}

/* Images */
.wp-block-image {
    margin: var(--spacing-md) 0;
    text-align: center;
}

.wp-block-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform var(--transition-smooth);
}

.wp-block-image img:hover {
    transform: scale(1.02);
}

/* Lists */
ul, ol {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-xs);
    position: relative;
}

/* Tables */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: var(--spacing-md) 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 12px var(--color-shadow);
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

th {
    background-color: var(--color-secondary);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
}

tr:nth-child(even) {
    background-color: rgba(13, 71, 161, 0.03);
}

tr:hover {
    background-color: rgba(13, 71, 161, 0.05);
}

/* =========================================
   6. Comments Section
   ========================================= */
.comments-area {
    margin-top: var(--spacing-lg);
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px var(--color-shadow);
}

.comments-title {
    font-size: 1.8rem;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.comment-list {
    list-style: none;
    padding: 0;
}

.comment-list li.comment {
    margin-bottom: var(--spacing-md);
}

.comment-box {
    display: flex;
    gap: var(--spacing-sm);
    background: #fff;
}

.comment-avatar img {
    border-radius: 50%;
    border: 3px solid var(--color-border);
    transition: border-color var(--transition-fast);
}

.comment-body {
    flex: 1;
    background: var(--color-bg-body);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    position: relative;
}

.comment-body::before {
    content: '';
    position: absolute;
    top: 20px;
    left: -10px;
    border-width: 10px 10px 10px 0;
    border-style: solid;
    border-color: transparent var(--color-bg-body) transparent transparent;
}

.comment-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.comment-author {
    font-weight: 700;
    color: var(--color-secondary);
    font-style: normal;
}

.comment-time {
    color: var(--color-text-muted);
}

.comment-reply-link {
    display: inline-block;
    margin-top: var(--spacing-xs);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* =========================================
   7. Forms (Inputs, Textarea)
   ========================================= */
.comment-respond {
    margin-top: var(--spacing-lg);
    background: var(--color-bg-body);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.comment-reply-title {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
}

.comment-form p {
    margin-bottom: var(--spacing-sm);
}

.comment-form label {
    display: block;
    margin-bottom: 0.3rem;
    font-weight: 600;
    color: var(--color-text-main);
}

input[type="text"],
input[type="email"],
input[type="url"],
textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background-color: #fff;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(13, 71, 161, 0.1);
}

input.submit {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

input.submit:hover {
    background: var(--color-primary-light);
}

/* =========================================
   8. Footer
   ========================================= */
.site-footer {
    margin-top: var(--spacing-lg);
    background-color: #1a237e; /* Very Dark Blue */
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.site-footer a {
    color: #fff;
    border-bottom: 1px dotted rgba(255,255,255,0.5);
}

.site-footer a:hover {
    color: var(--color-primary-light);
    border-bottom-style: solid;
}

.footer-info {
    font-size: 0.9rem;
}

/* Scroll Top Button */
.scrolltop {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
    z-index: 100;
}
.scrolltop::before {
    content: '↑';
    color: white;
    font-size: 1.2rem;
}
.scrolltop:hover {
    opacity: 1;
}

/* =========================================
   9. Responsive Design (Media Queries)
   ========================================= */
@media screen and (max-width: 768px) {
    :root {
        --spacing-md: 1.5rem;
    }
    
    .entry-content {
        padding: var(--spacing-sm);
    }
    
    h1::after {
        width: 40px;
    }

    .btn {
        width: 100%;
        padding: 0.8rem 1rem;
    }

    .comment-box {
        flex-direction: column;
    }

    .comment-avatar {
        display: flex;
        align-items: center;
        margin-bottom: 0.5rem;
    }
    
    .comment-avatar img {
        width: 40px;
        height: 40px;
        margin-right: 10px;
    }
    
    .comment-body::before {
        display: none;
    }

    /* Table Scroll for Mobile */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}