/*
Theme Name: Cowlins
Theme URI: https://cowlins.com
Author: Cowlins Team
Author URI: https://cowlins.com
Description: A premium, lightweight, Elementor-compatible WordPress theme for Cowlins — the world's largest educational resource on cows, cattle, dairy farming, beef farming, livestock management, and veterinary knowledge.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: LICENSE
Text Domain: cowlins
Tags: blog, news, custom-colors, custom-logo, custom-menu, editor-style, featured-images, full-width-template, sticky-post, threaded-comments, translation-ready, accessibility-ready, rtl-language-support

Cowlins WordPress Theme, Copyright 2026 Cowlins
Cowlins is distributed under the terms of the GNU General Public License v2
*/

/* ==========================================================================
   1. CSS Variables (Design Tokens)
   ========================================================================== */
:root {
    --color-primary: #2E7D32;
    --color-secondary: #66BB6A;
    --color-accent: #F9A825;
    --color-background: #FFFFFF;
    --color-dark: #1A1A1A;
    --color-text: #444444;
    --color-text-light: #767676;
    --color-border: #E7E7E7;
    --color-surface: #F7F9F7;

    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 999px;

    --shadow-sm: 0 2px 8px rgba(26, 26, 26, 0.06);
    --shadow-md: 0 8px 24px rgba(26, 26, 26, 0.08);
    --shadow-lg: 0 16px 48px rgba(26, 26, 26, 0.12);

    --container-width: 1240px;
    --transition: all 0.25s ease;
}

[data-theme="dark"] {
    --color-background: #121212;
    --color-surface: #1E1E1E;
    --color-text: #E4E4E4;
    --color-text-light: #A3A3A3;
    --color-border: #2C2C2C;
}

/* ==========================================================================
   2. Reset & Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-background);
    line-height: 1.7;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    transition: background 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-dark);
    line-height: 1.25;
    font-weight: 600;
    margin: 0 0 0.6em;
}

[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6 {
    color: #FFFFFF;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.4rem, 2.4vw, 1.8rem); }

p { margin: 0 0 1.2em; }

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

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

ul, ol { padding-left: 1.4em; }

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.screen-reader-text {
    position: absolute;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(1px, 1px, 1px, 1px);
    white-space: nowrap;
}
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-primary);
    color: #fff;
    padding: 12px 20px;
    z-index: 10000;
    border-radius: 0 0 8px 0;
}
.skip-link:focus { top: 0; color: #fff; }

/* ==========================================================================
   3. Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 28px;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #fff;
    box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: #fff;
}
.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-accent { background: var(--color-accent); color: var(--color-dark); }

/* ==========================================================================
   4. Header
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow 0.3s ease, background 0.3s ease;
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    gap: 24px;
}

.site-branding { display: flex; align-items: center; gap: 12px; }
.site-branding img { max-height: 48px; width: auto; }
.site-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-dark);
    margin: 0;
}
.site-title a { color: inherit; }

.main-navigation { display: flex; align-items: center; gap: 8px; }
.main-navigation ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 4px;
}
.main-navigation li { position: relative; }
.main-navigation a {
    display: block;
    padding: 10px 16px;
    color: var(--color-dark);
    font-weight: 500;
    border-radius: var(--radius-full);
}
[data-theme="dark"] .main-navigation a { color: #fff; }
.main-navigation a:hover { background: var(--color-surface); color: var(--color-primary); }

.main-navigation .sub-menu {
    list-style: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-background);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    padding: 8px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition);
}
.main-navigation li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.header-actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle, .menu-toggle {
    background: var(--color-surface);
    border: none;
    width: 44px; height: 44px;
    border-radius: var(--radius-full);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    color: var(--color-dark);
}
.menu-toggle { display: none; }

/* ==========================================================================
   5. Hero / Cards / Sections (front page building blocks)
   ========================================================================== */
.section { padding: 80px 0; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-header .eyebrow {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.8rem;
    margin-bottom: 12px;
}

.hero {
    background: linear-gradient(135deg, rgba(46,125,50,0.06), rgba(102,187,106,0.06));
    padding: 100px 0;
    text-align: center;
}
.hero p.lead { font-size: 1.25rem; color: var(--color-text-light); max-width: 640px; margin: 0 auto 32px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}
.card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-image { aspect-ratio: 16/10; overflow: hidden; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.card:hover .card-image img { transform: scale(1.06); }
.card-body { padding: 24px; }
.card-category {
    display: inline-block;
    background: var(--color-surface);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: 12px;
}
.card-title { font-size: 1.15rem; margin-bottom: 8px; }
.card-meta { font-size: 0.85rem; color: var(--color-text-light); }

/* ==========================================================================
   6. Footer
   ========================================================================== */
.site-footer { background: var(--color-dark); color: #ccc; padding: 72px 0 24px; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; margin-bottom: 48px; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.site-footer a { color: #bbb; }
.site-footer a:hover { color: var(--color-secondary); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
    color: #999;
}

/* Back to top */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: var(--transition);
    z-index: 998;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* Cookie notice */
.cookie-notice {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--color-dark);
    color: #fff;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    z-index: 1001;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}
.cookie-notice.is-visible { transform: translateY(0); }
.cookie-notice a { color: var(--color-secondary); }

/* Newsletter popup */
.newsletter-modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex; align-items: center; justify-content: center;
    z-index: 1002;
    opacity: 0; visibility: hidden;
    transition: var(--transition);
}
.newsletter-modal-overlay.is-visible { opacity: 1; visibility: visible; }
.newsletter-modal {
    background: var(--color-background);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 440px;
    width: 90%;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-lg);
}
.newsletter-modal .close-modal {
    position: absolute; top: 16px; right: 16px;
    background: var(--color-surface);
    border: none;
    width: 36px; height: 36px;
    border-radius: 50%;
    cursor: pointer;
}
.newsletter-form { display: flex; gap: 8px; margin-top: 24px; }
.newsletter-form input[type="email"] {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
}

/* Breadcrumbs */
.breadcrumbs { font-size: 0.85rem; color: var(--color-text-light); padding: 20px 0; }
.breadcrumbs a { color: var(--color-text-light); }
.breadcrumbs a:hover { color: var(--color-primary); }

/* ==========================================================================
   7. Responsive
   ========================================================================== */
@media (max-width: 900px) {
    .main-navigation { display: none; }
    .menu-toggle { display: flex; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
    .footer-grid { grid-template-columns: 1fr; }
    .hero { padding: 64px 0; }
    .section { padding: 56px 0; }
}

/* Mobile nav (JS-toggled) */
.main-navigation.is-open {
    display: block;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--color-background);
    box-shadow: var(--shadow-md);
    padding: 16px;
}
.main-navigation.is-open ul { flex-direction: column; }
.main-navigation.is-open .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; }

/* Lazy load fade-in */
img.lazyload { opacity: 0; transition: opacity 0.4s ease; }
img.lazyloaded { opacity: 1; }