/* =========================================
   1. CSS Reset & Variables
   ========================================= */
:root {
    /* Color Palette - Modern & Trustworthy */
    --color-primary: #0f2b46;
    --color-primary-light: #1a4268;
    --color-accent: #2ecc71;
    --color-accent-hover: #27ae60;
    --color-text: #2c3e50;
    --color-text-light: #6c7a89;
    --color-bg-body: #f0f2f5;
    --color-bg-card: #ffffff;
    --color-border: #e1e8ed;
    --color-error: #e74c3c;

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --line-height-base: 1.6;
    --font-size-base: 1rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --container-width: 1200px;

    /* Effects */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.15);
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Normalization & Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg-body);
    color: var(--color-text);
    line-height: var(--line-height-base);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-content {
    padding: var(--spacing-md) 0;
    flex: 1;
}

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

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); margin-top: var(--spacing-md); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); margin-top: var(--spacing-md); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-weight: 500;
}

a:hover, a:focus {
    color: var(--color-accent);
}

a.skip-link {
    position: absolute;
    top: -9999px;
    left: 1rem;
    z-index: 1000;
    background: var(--color-bg-card);
    padding: 1rem;
    border-radius: var(--radius-sm);
}

a.skip-link:focus {
    top: 1rem;
}

/* =========================================
   4. Article Styling
   ========================================= */
.post-2 {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: clamp(1.5rem, 5vw, 3rem);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.entry-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
    padding-bottom: var(--spacing-sm);
}

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

/* Lists */
.entry-content ul {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    list-style: none;
}

.entry-content ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.entry-content ul li::before {
    content: "✔";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* Images */
.wp-block-image {
    margin: var(--spacing-md) 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base);
}

.wp-block-image:hover {
    transform: scale(1.01);
    box-shadow: var(--shadow-md);
}

/* Aside / Callouts */
aside {
    background: linear-gradient(to right, rgba(46, 204, 113, 0.1), transparent);
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-md) 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--color-primary);
}

/* =========================================
   5. Tables
   ========================================= */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.wp-block-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

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

th {
    background-color: var(--color-primary);
    color: var(--color-bg-card);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

tr:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.02);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background-color: rgba(46, 204, 113, 0.05);
}

/* =========================================
   6. Buttons & Interactions
   ========================================= */
.btn-box {
    display: flex;
    justify-content: center;
    margin: var(--spacing-md) 0;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    color: #fff;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.4);
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    text-align: center;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(46, 204, 113, 0.6);
    color: #fff;
}

.btn:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(46, 204, 113, 0.4);
}

.btn:focus-visible {
    outline: 3px solid var(--color-primary-light);
    outline-offset: 2px;
}

/* =========================================
   7. Comments Section
   ========================================= */
.comments-area {
    margin-top: var(--spacing-lg);
    background: var(--color-bg-card);
    padding: clamp(1.5rem, 5vw, 3rem);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.comments-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    position: relative;
    padding-bottom: 0.5rem;
}

.comments-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
}

.comment-list {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.comment-box {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-fast);
}

.comment-box:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-sm);
}

/* Nested Comments */
.children {
    list-style: none;
    padding-left: 0;
    margin-left: var(--spacing-md);
    border-left: 2px solid var(--color-border);
}

.children .comment-box {
    margin-left: 1rem;
    background: #f9fbfd;
}

.comment-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
}

.comment-avatar img {
    border-radius: 50%;
    width: 50px;
    height: 50px;
    object-fit: cover;
    border: 2px solid var(--color-accent);
}

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

.comment-time {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.comment-text p {
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.comment-footer {
    text-align: right;
    margin-top: 0.5rem;
}

.comment-reply-link {
    font-size: 0.9rem;
    color: var(--color-primary-light);
    cursor: pointer;
    font-weight: 600;
}

.comment-reply-link:hover {
    text-decoration: underline;
}

/* Comment Form */
.comment-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: var(--spacing-md);
}

.comment-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

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

.comment-form input:focus,
.comment-form textarea:focus {
    outline: none;
    border-color: var(--color-primary-light);
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(26, 66, 104, 0.1);
}

.form-submit .submit {
    background-color: var(--color-primary);
    color: #fff;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    width: auto;
    justify-self: start;
}

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

.comment-smiles {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

.comment-smiles img {
    cursor: pointer;
    transition: transform 0.2s;
}

.comment-smiles img:hover {
    transform: scale(1.2);
}

/* =========================================
   8. Footer
   ========================================= */
.site-footer {
    background-color: var(--color-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-md) 0;
    margin-top: auto;
    text-align: center;
}

.site-footer-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

/* =========================================
   9. Utilities & Micro-animations
   ========================================= */
.scrolltop {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background-color: var(--color-accent);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0.8;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    z-index: 99;
}

.scrolltop::before {
    content: "↑";
    color: white;
    font-size: 1.5rem;
    line-height: 3rem;
}

.scrolltop:hover {
    opacity: 1;
    transform: translateY(-5px);
}

/* Screen Reader Text */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    -webkit-clip-path: inset(50%);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

/* =========================================
   10. Responsive Design
   ========================================= */
@media (max-width: 768px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2.5rem;
    }

    .children {
        margin-left: 0.5rem;
        border-left-width: 1px;
    }
    
    .children .comment-box {
        margin-left: 0.5rem;
    }

    .comment-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .comment-avatar {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

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

    table {
        display: block;
        overflow-x: auto;
    }
    
    .scrolltop {
        bottom: 1rem;
        right: 1rem;
    }
}