/*
Theme Name: SubsidyPK
Theme URI: https://subsidypk.com
Author: SubsidyPK Team
Author URI: https://subsidypk.com
Description: Lightweight, SEO-optimized WordPress theme for Pakistan government subsidy information. Built for speed, accessibility & conversions.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v3.0
License URI: https://www.gnu.org/licenses/gpl-3.0.html
Text Domain: subsidypk
Tags: blog, news, government, seo, responsive, lightweight, accessibility-ready
*/

/* ===== CSS VARIABLES & RESET ===== */
:root {
  /* Brand Colors */
  --color-bg-primary: #F5F5DC;
  --color-accent-green: #0B5D3B;
  --color-accent-dark: #1F2933;
  --color-white: #FFFFFF;
  --color-grey-soft: #E5E7EB;
  
  /* Typography */
  --font-heading: 'Poppins', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  
  /* Layout */
  --container-max: 1200px;
  --border-radius: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
}

/* ===== BASE STYLES ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-accent-dark);
  background: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
  color: var(--color-accent-dark);
}

h1 { font-size: clamp(1.75rem, 5vw, 2.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

p { margin-bottom: var(--space-md); }

a {
  color: var(--color-accent-green);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover, a:focus {
  color: var(--color-accent-dark);
  outline: 2px solid var(--color-accent-green);
  outline-offset: 2px;
}

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

/* ===== UTILITIES ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

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

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent-green);
  color: var(--color-white);
  padding: var(--space-xs) var(--space-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--color-accent-green);
  color: var(--color-white);
}

.btn-primary:hover,
.btn-primary:focus {
  background: #094a2f;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent-green);
  border-color: var(--color-accent-green);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--color-accent-green);
  color: var(--color-white);
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-grey-soft);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  gap: var(--space-md);
}

.site-branding {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.custom-logo {
  max-height: 50px;
  width: auto;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-accent-dark);
}

.site-title a {
  color: inherit;
}

/* Navigation */
.main-navigation {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.main-navigation ul {
  display: flex;
  list-style: none;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
}

.main-navigation a {
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
}

.main-navigation a:hover,
.main-navigation a:focus,
.main-navigation .current-menu-item > a {
  background: var(--color-grey-soft);
  color: var(--color-accent-green);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-accent-dark);
  padding: var(--space-xs);
}

/* Search Icon */
.header-search {
  position: relative;
}

.search-toggle {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--color-accent-dark);
  padding: var(--space-xs);
}

.search-form {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--color-white);
  padding: var(--space-sm);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  display: none;
  z-index: 10;
  min-width: 250px;
}

.search-form.active {
  display: block;
}

.search-form input[type="search"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--color-grey-soft);
  border-radius: 4px;
  margin-bottom: var(--space-xs);
}

/* ===== HERO SECTION ===== */
.hero-section {
  background: linear-gradient(135deg, var(--color-accent-green) 0%, #084a2f 100%);
  color: var(--color-white);
  padding: var(--space-xl) 0;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2rem, 6vw, 3rem);
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.hero-description {
  font-size: 1.125rem;
  margin-bottom: var(--space-lg);
  opacity: 0.95;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero-cta .btn {
  min-width: 200px;
}

.hero-illustration {
  max-width: 300px;
  margin: 0 auto;
  opacity: 0.9;
}

/* ===== SECTIONS ===== */
.section {
  padding: var(--space-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-lg);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent-green);
  margin: var(--space-sm) auto 0;
  border-radius: 2px;
}

/* ===== SCHEME CARDS GRID ===== */
.schemes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.scheme-card {
  background: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.scheme-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.scheme-card-image {
  position: relative;
  padding-top: 60%;
  background: var(--color-grey-soft);
  overflow: hidden;
}

.scheme-card-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.scheme-card-content {
  padding: var(--space-md);
}

.scheme-card-title {
  margin-bottom: var(--space-xs);
}

.scheme-card-excerpt {
  color: #4b5563;
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
}

.scheme-card-link {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* ===== ELIGIBILITY CHECKER ===== */
.eligibility-checker {
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.eligibility-form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-md);
}

.eligibility-form input[type="text"] {
  flex: 1;
  min-width: 200px;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-grey-soft);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.eligibility-form input[type="text"]:focus {
  outline: none;
  border-color: var(--color-accent-green);
}

.eligibility-note {
  font-size: 0.875rem;
  color: #6b7280;
  margin-top: var(--space-sm);
}

/* ===== TRUST POINTS ===== */
.trust-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  text-align: center;
}

.trust-point {
  padding: var(--space-md);
}

.trust-icon {
  font-size: 2.5rem;
  color: var(--color-accent-green);
  margin-bottom: var(--space-sm);
}

.trust-point-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

/* ===== CATEGORY BLOCKS ===== */
.category-blocks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}

.category-block {
  background: var(--color-white);
  padding: var(--space-md);
  border-radius: var(--border-radius);
  text-align: center;
  border: 2px solid var(--color-grey-soft);
  transition: all var(--transition-fast);
}

.category-block:hover,
.category-block:focus-within {
  border-color: var(--color-accent-green);
  background: #fafafa;
}

.category-block-icon {
  font-size: 2rem;
  color: var(--color-accent-green);
  margin-bottom: var(--space-sm);
}

.category-block-title {
  font-size: 1.125rem;
  margin-bottom: 0;
}

/* ===== POST LIST ===== */
.post-list {
  display: grid;
  gap: var(--space-lg);
}

.post-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  background: var(--color-white);
  padding: var(--space-md);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .post-card {
    grid-template-columns: 200px 1fr;
    align-items: start;
  }
}

.post-card-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  background: var(--color-grey-soft);
}

.post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16/9;
}

.post-card-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.post-meta {
  font-size: 0.875rem;
  color: #6b7280;
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.post-excerpt {
  color: #4b5563;
}

/* ===== SINGLE POST ===== */
.single-post {
  max-width: 800px;
  margin: 0 auto;
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.post-breadcrumbs {
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
}

.post-breadcrumbs a {
  color: var(--color-accent-green);
}

.post-featured-image {
  margin: var(--space-md) 0;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.post-content {
  line-height: 1.8;
  color: #374151;
}

.post-content a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.post-content img {
  border-radius: var(--border-radius);
  margin: var(--space-md) 0;
}

.post-content ul,
.post-content ol {
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.post-content li {
  margin-bottom: var(--space-xs);
}

.post-content blockquote {
  border-left: 4px solid var(--color-accent-green);
  padding-left: var(--space-md);
  margin: var(--space-md) 0;
  font-style: italic;
  color: #4b5563;
}

/* Social Share */
.social-share {
  display: flex;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-grey-soft);
}

.social-share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-grey-soft);
  color: var(--color-accent-dark);
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

.social-share-btn:hover {
  background: var(--color-accent-green);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Related Posts */
.related-posts {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-grey-soft);
}

/* ===== SIDEBAR ===== */
.sidebar {
  display: grid;
  gap: var(--space-lg);
}

.widget {
  background: var(--color-white);
  padding: var(--space-md);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.widget-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-grey-soft);
}

.widget ul {
  list-style: none;
}

.widget li {
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-grey-soft);
}

.widget li:last-child {
  border-bottom: none;
}

.widget a {
  display: block;
  padding: var(--space-xs) 0;
}

/* Newsletter Widget */
.newsletter-form input[type="email"] {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-grey-soft);
  border-radius: 4px;
  margin-bottom: var(--space-sm);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-accent-dark);
  color: var(--color-white);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-section-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-links a {
  color: #d1d5db;
  transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--color-white);
}

.social-icons {
  display: flex;
  gap: var(--space-sm);
  list-style: none;
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: var(--color-white);
  transition: background var(--transition-fast);
}

.social-icons a:hover,
.social-icons a:focus {
  background: var(--color-accent-green);
}

.footer-disclaimer {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.875rem;
  color: #9ca3af;
}

/* ===== 404 PAGE ===== */
.error-404 {
  text-align: center;
  padding: var(--space-xl) 0;
  max-width: 600px;
  margin: 0 auto;
}

.error-404-title {
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-accent-green);
  margin-bottom: var(--space-sm);
}

.error-404-content {
  margin-bottom: var(--space-lg);
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin: var(--space-xl) 0;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.5rem;
  border-radius: var(--border-radius);
  background: var(--color-white);
  border: 1px solid var(--color-grey-soft);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.pagination a:hover,
.pagination a:focus,
.pagination .current {
  background: var(--color-accent-green);
  color: var(--color-white);
  border-color: var(--color-accent-green);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 767px) {
  .menu-toggle {
    display: block;
  }
  
  .main-navigation ul {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-md);
    box-shadow: var(--shadow-md);
    display: none;
  }
  
  .main-navigation ul.active {
    display: flex;
  }
  
  .header-inner {
    flex-wrap: wrap;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .eligibility-form {
    flex-direction: column;
  }
  
  .eligibility-form input[type="text"],
  .eligibility-form .btn {
    width: 100%;
  }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== PRINT ===== */
@media print {
  .site-header,
  .site-footer,
  .sidebar,
  .no-print {
    display: none !important;
  }
  
  body {
    background: #fff;
    color: #000;
    font-size: 12pt;
  }
  
  a {
    text-decoration: underline;
  }
  
  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.9em;
  }
}

/* ===== LAZY LOAD PLACEHOLDER ===== */
img[loading="lazy"] {
  background: linear-gradient(
    90deg,
    var(--color-grey-soft) 25%,
    #f3f4f6 50%,
    var(--color-grey-soft) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}