/*
Theme Name: Thamizhiyal New
Theme URI: https://thamizhiyal.com
Author: Your Name
Author URI: https://yourwebsite.com
Description: A modern, performance-optimized WordPress theme for Tamil academic journal with Bootstrap 5
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: thamizhiyal
Tags: blog, education, two-columns, custom-colors, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */
:root {
    --color-primary: #8B4513;
    /* Brown */
    --color-secondary: #FAECD8;
    /* Warning/Amber */
    --color-text: #212529;
    --color-text-muted: #6c757d;
    --color-border: #dee2e6;
    --color-light-bg: #FAECD8;
    --transition-base: 0.3s ease;
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, .075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, .15);
}

/* ==========================================================================
   Base Styles & Performance Optimizations
   ========================================================================== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Optimize image loading */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--color-secondary);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
    background: #fff;
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary) !important;
    transition: transform var(--transition-base);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.nav-link {
    font-weight: 500;
    color: var(--color-text) !important;
    padding: 0.5rem 1rem !important;
    transition: color var(--transition-base);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    position: relative;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 400px;
    display: flex;
    align-items: center;
}

/* .hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(139, 69, 19, 0.5), rgba(139, 69, 19, 0.7));
} */

.hero-section .container {
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   Cards & Articles
   ========================================================================== */
.card {
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.tamizhiyal-card {
    border-radius: 8px;
}


.card-img-top {
    transition: transform var(--transition-base);
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

.hover-text-warning:hover {
    color: var(--color-primary) !important;
}

/* Badge Styles */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

.bg-warning {
    background-color: var(--color-secondary) !important;
}

.bg-primary-theme {
    background-color: var(--color-primary) !important;
}

.social-link-styled {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    width: 45px;
    height: 45px;
    background: none !important;
    border: none !important;
}

.social-link-styled svg {
    border: 2px solid var(--color-primary) !important;
    border-radius: 50% !important;
    padding: 8px !important;
    width: 20px !important;
    /* Adjusted to keep total size consistent */
    height: 20px !important;
    box-sizing: content-box !important;
    fill: none !important;
    stroke: var(--color-primary) !important;
    stroke-width: 1.5px !important;
    transition: all var(--transition-base) !important;
}

.social-link-styled:hover svg {
    background-color: var(--color-primary) !important;
    fill: #fff !important;
    stroke: #fff !important;
}

/* ==========================================================================
   Article Content
   ========================================================================== */
.article-content {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.article-content h2,
.article-content h3,
.article-content h4 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content img {
    margin: 2rem 0;
    border-radius: 0.375rem;
    box-shadow: var(--shadow-sm);
}

.article-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: 1.5rem;
    margin: 2rem 0;
    padding: 1rem;
    font-style: italic;
    color: var(--color-primary);
    background-color: var(--color-secondary);
    font-weight: 500;
}

.article-content blockquote p {
    margin: 0;
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-control,
.form-select {
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    padding: 0.75rem 1rem;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.25);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    font-weight: 500;
    padding: 0.625rem 1.5rem;
    border-radius: 0.375rem;
    transition: all var(--transition-base);
}

.btn-primary-theme {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.btn-primary-theme:hover {
    background-color: #703810;
    border-color: #703810;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-outline-secondary {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-outline-secondary:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.pagination {
    margin-top: 2rem;
}

.page-link {
    color: var(--color-primary);
    border-color: var(--color-border);
    padding: 0.5rem 1rem;
    transition: all var(--transition-base);
}

.page-link:hover {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
    color: #000;
}

.page-item.active .page-link {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
    color: #000;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: var(--color-light-bg);
    border-top: 1px solid var(--color-border);
}

.site-footer a {
    color: var(--color-text-muted);
    transition: color var(--transition-base);
}

.site-footer a:hover {
    color: var(--color-primary);
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.object-fit-cover {
    object-fit: cover;
}

.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md) !important;
}

.bg-opacity-25 {
    --bs-bg-opacity: 0.25;
}

/* Sticky Elements */
.sticky-top {
    position: sticky;
    top: 0px;
    z-index: 100;
}

/* ==========================================================================
   Loading & Performance Optimizations
   ========================================================================== */
/* Prevent CLS (Cumulative Layout Shift) */
/* .card-img-top[loading="lazy"] {
    aspect-ratio: 4/3;
    background-color: var(--color-light-bg);
} */

/* Smooth scroll for anchor links */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 991.98px) {
    .navbar-collapse {
        padding: 1rem 0;
    }

    .nav-link {
        padding: 0.75rem 0 !important;
    }

    .hero-section {
        background-attachment: scroll;
    }

    .sticky-top {
        position: relative;
        top: 0;
    }
}

@media (max-width: 767.98px) {
    body {
        font-size: 15px;
    }

    .display-4 {
        font-size: 2rem;
    }

    .display-5 {
        font-size: 1.75rem;
    }

    .display-6 {
        font-size: 1.5rem;
    }

    .article-content {
        font-size: 1rem;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {

    .site-header,
    .site-footer,
    .btn,
    .pagination,
    .navbar {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    .article-content {
        font-size: 11pt;
    }

    a[href]:after {
        content: " (" attr(href) ")";
    }
}

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

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border-width: 2px;
    }

    .btn {
        border-width: 2px;
    }
}

/* ==========================================================================
   Dark Mode Support (Optional)
   ========================================================================== */
@media (prefers-color-scheme: dark) {
    /* Add dark mode styles if needed */
}

.single-article-author-image {
    width: 79px;
    height: 79px;
    object-fit: cover;
}

/* ==========================================================================
   Social Icon Styling for Single Article Page
   ========================================================================== */
.social-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: #fff;
    color: var(--color-text-muted);
    transition: all var(--transition-base);
    text-decoration: none;
}

.social-icon-btn:hover {
    color: var(--color-primary);
}

.social-icon-btn svg {
    transition: stroke var(--transition-base);
}

.get-article-btn {
    transition: all var(--transition-base);
    cursor: pointer;
}

.get-article-btn:hover {
    background-color: var(--color-primary) !important;
    color: #fff !important;
}

/* .social-icon-btn:hover svg {
    stroke: var(--color-primary);
    stroke-width: 0.5;
} */

/* ==========================================================================
   Contact Form 7 Styling
   ========================================================================== */
.wpcf7-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.wpcf7-form label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    position: relative;
    padding-left: 30px;
    width: 100%;
}

/* Icons for labels */
.wpcf7-form label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 2px;
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.7;
}

/* Name Icon */
.wpcf7-form label:has([name="your-name"])::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%238B4513" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1H3zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6z"/></svg>');
}

/* Email Icon */
.wpcf7-form label:has([name="your-email"])::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%238B4513" viewBox="0 0 16 16"><path d="M0 4a2 2 0 0 1 2-2h12a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2V4Zm2-1a1 1 0 0 0-1 1v.217l7 4.2 7-4.2V4a1 1 0 0 0-1-1H2Zm13 2.383-4.708 2.825L15 11.105V5.383Zm-.034 6.876-5.64-3.471L8 9.583l-1.326-.795-5.64 3.47A1 1 0 0 0 2 13h12a1 1 0 0 0 .966-.741ZM1 11.105l4.708-2.897L1 5.383v5.722Z"/></svg>');
}

/* Message Icon */
.wpcf7-form label:has([name="your-message"])::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%238B4513" viewBox="0 0 16 16"><path d="M0 2a2 2 0 0 1 2-2h12a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2V2zm4.5 5a.5.5 0 0 0 0 1h7a.5.5 0 0 0 0-1h-7zm0 2.5a.5.5 0 0 0 0 1h7a.5.5 0 0 0 0-1h-7zm0 2.5a.5.5 0 0 0 0 1h4a.5.5 0 0 0 0-1h-4z"/></svg>');
}

.wpcf7-form-control {
    width: 100%;
}

.wpcf7-text,
.wpcf7-email,
.wpcf7-textarea {
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    padding: 0.75rem 1rem;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.wpcf7-text:focus,
.wpcf7-email:focus,
.wpcf7-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(139, 69, 19, 0.25);
    outline: none;
}

.wpcf7-submit {
    display: inline-block !important;
    font-weight: 500 !important;
    padding: 0.75rem 2.5rem !important;
    border-radius: 0.375rem !important;
    background-color: var(--color-primary) !important;
    border: 1px solid var(--color-primary) !important;
    color: #fff !important;
    cursor: pointer !important;
    transition: all var(--transition-base) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
}

.wpcf7-submit:hover {
    background-color: #703810 !important;
    border-color: #703810 !important;
    transform: translateY(-2px) !important;
    box-shadow: var(--shadow-md) !important;
}

.wpcf7-spinner {
    margin: 0 0 0 10px;
}

/* Validation messages */
.wpcf7-not-valid-tip {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 5px;
}

.wpcf7-response-output {
    margin: 2rem 0 0 0 !important;
    padding: 1rem !important;
    border-radius: 0.375rem !important;
    border: 1px solid transparent !important;
}

.wpcf7-mail-sent-ok {
    background-color: #d1e7dd !important;
    border-color: #badbcc !important;
    color: #0f5132 !important;
}

.wpcf7-validation-errors {
    background-color: #fff3cd !important;
    border-color: #ffecb5 !important;
    color: #664d03 !important;
}

.lang-switcher {
    cursor: pointer;
}

/* ==========================================================================
   Leadership Section
   ========================================================================== */
.leadership-card {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    height: 100%;
    overflow: hidden;
    border: none;
}

.leadership-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.leadership-img-wrapper {
    position: relative;
    padding: 2rem;
    background: linear-gradient(to bottom, rgba(250, 236, 216, 0.3), rgba(255, 255, 255, 0));
}

.leadership-img-wrapper img {
    border: 5px solid #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s ease;
}

.leadership-card:hover .leadership-img-wrapper img {
    transform: scale(1.05);
}

.leadership-content {
    padding: 0 2rem 2rem;
}

.leadership-name {
    color: var(--color-primary);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
    padding-bottom: 1rem;
}

.leadership-name::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width 0.3s ease;
}

.leadership-card:hover .leadership-name::after {
    width: 80px;
}

.leadership-role {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-top: 0.5rem;
}