/*
Theme Name: Arabic Academy HK Blog
Theme URI: http://arabic.com.hk/
Author: Arabic Academy Team
Description: Custom WordPress theme for Arabic Academy Hong Kong.
Version: 1.4.0
License: GNU General Public License v2 or later
License URI: LICENSE
Text Domain: arabic-academy-hk
*/

@import url("https://fonts.googleapis.com/css2?family=Nunito:ital,wght@0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;0,1000;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900;1,1000&display=swap");

/* ============================================================
   CSS VARIABLES
   ============================================================ */
:root {
  --primary-color:   #077a7d;
  --primary-dark:    #055b5e;
  --secondary-color: #d4ac0d;
  --text-dark:       #1a242f;
  --text-light:      #3e5771;
  --text-lighter:    #507192;
  --bg-light:        #f0fdfa;
  --bg-white:        #ffffff;
  --border-color:    #e6e6e6;
  --transition:      all 0.3s ease;
  --navbar-height:   80px;
  --radius-card:     16px;
  --radius-sm:       8px;
  --radius-pill:     50px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Nunito", system-ui, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  background: var(--bg-white);
}

h1, h2, h3, h4, h5, h6 {
  font-family:  system-ui, sans-serif;
}

img { max-width: 100%; height: auto; display: block; }
a   { text-decoration: none; color: inherit; transition: var(--transition); }

::selection      { background: var(--primary-color); color: #fff; }
::-moz-selection { background: var(--primary-color); color: #fff; }

a:focus, button:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* ============================================================
   CONTAINER
   ============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ============================================================
   MOBILE NAV
   ============================================================ */
#mobile-nav.hidden        { transform: translateY(-100%); opacity: 0; pointer-events: none; }
#mobile-nav:not(.hidden)  { transform: translateY(0);     opacity: 1; }

/* ============================================================
   BLOG LISTING — HEADER
   ============================================================ */
.blog-header {
  padding: calc(var(--navbar-height) + 10rem) 0 5rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  text-align: center;
  overflow: hidden;
}



.blog-header-content {
  position: relative;
  z-index: 1;
  max-width: 660px;
  margin: 0 auto;
}

.blog-header-content h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.blog-header-content p {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  opacity: 0.92;
  line-height: 1.65;
}

/* ============================================================
   BLOG LISTING — GRID
   ============================================================ */
.blog-content {
  padding: 4rem 0 5rem;
  background: var(--bg-light);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  width: 100%;
}

/* ============================================================
   BLOG CARD
   ============================================================ */
.blog-card {
  background: var(--bg-white);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(7,122,125,0.07);
  border: 1px solid rgba(7,122,125,0.09);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1),
              box-shadow 0.4s cubic-bezier(0.4,0,0.2,1),
              border-color 0.3s ease;
  cursor: pointer;
  width: 100%;
  min-width: 0;
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.blog-card:hover               { transform: translateY(-6px); box-shadow: 0 16px 48px rgba(7,122,125,0.16); border-color: rgba(7,122,125,0.25); }
.blog-card:hover::before       { opacity: 1; }
.blog-card:active              { transform: translateY(-3px); }

.blog-image {
  position: relative;
  display: block;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: linear-gradient(135deg, #e8f7f7, #d0efef);
  flex-shrink: 0;
}

.blog-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1), filter 0.4s ease;
  filter: brightness(0.97);
}

.blog-card:hover .blog-image img { transform: scale(1.06); filter: brightness(1.02); }

.blog-category {
  position: absolute;
  top: 14px; left: 14px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  font-family:  sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  z-index: 2;
  box-shadow: 0 2px 10px rgba(7,122,125,0.35);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  white-space: nowrap;
}

.blog-card-content {
  padding: 1.6rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-lighter);
}

.blog-meta .blog-date { display: flex; align-items: center; gap: 0.4rem; }
.blog-meta .blog-date::before { font-size: 0.85rem; line-height: 1; }

.blog-card-content h2 {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
  font-family:  sans-serif;
  word-wrap: break-word;
  overflow-wrap: break-word;
  transition: color 0.3s ease;
}

.blog-card-content h2 a { color: inherit; }
.blog-card-content h2 a:hover,
.blog-card:hover .blog-card-content h2 { color: var(--primary-color); }

.blog-excerpt {
  color: var(--text-light);
  font-size: 0.875rem;
  line-height: 1.65;
  flex: 1;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  align-self: flex-start;
  margin-top: auto;
  color: var(--primary-color);
  font-weight: 700;
  font-family:  sans-serif;
  font-size: 0.875rem;
  padding: 0.55rem 1.2rem;
  border: 2px solid var(--primary-color);
  border-radius: var(--radius-sm);
  transition: background 0.3s ease, color 0.3s ease,
              transform 0.3s ease, box-shadow 0.3s ease;
  white-space: nowrap;
}

.blog-read-more:hover {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(7,122,125,0.3);
}

.no-posts { text-align: center; padding: 3rem 0; color: var(--text-light); font-size: 1.1rem; }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  margin-top: 4rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px; height: 44px;
  padding: 0 0.875rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-white);
  color: var(--text-dark);
  font-weight: 600;
  font-family:  sans-serif;
  font-size: 0.9rem;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

.pagination .page-numbers:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(7,122,125,0.15);
}

.pagination .page-numbers.current {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  border-color: var(--primary-color);
  box-shadow: 0 4px 14px rgba(7,122,125,0.3);
}

.pagination .prev,
.pagination .next { padding: 0 1.25rem; }

/* ============================================================
   SINGLE POST — HERO
   Full viewport-height section, content perfectly centred
   ============================================================ */
.blog-hero {
  margin-top: 5rem  ;
  position: relative;
  width: 100%;
  min-height: 500px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

  /* Centre everything — back link, meta, title */
  display: flex;
  align-items: center;
  justify-content: center;

  /* Space for fixed navbar */
  padding-top: var(--navbar-height);
}

/* Fallback when no featured image */
.blog-hero:not([style*="background-image"]) {
  background: linear-gradient(160deg, #0d1f2d 0%, #1a3a4a 50%, #0f3040 100%);
}

/* Dark overlay — stronger in centre for text contrast */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.35) 0%,
    rgba(0,0,0,0.60) 50%,
    rgba(0,0,0,0.75) 100%
  );
  z-index: 1;
}

/* Inner wrapper — centred, max-width, text-align center */
.blog-hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 24px;
  color: white;
}

/* Back to blog link */
.back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: rgba(255,255,255,0.88);
  font-weight: 600;
  font-family:  sans-serif;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  padding: 0.45rem 1.1rem;
  border: 1.5px solid rgba(255,255,255,0.4);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(6px);
  background: rgba(255,255,255,0.1);
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
  /* Remove any inherited ::before arrows */
  text-decoration: none;
}

.back-to-blog:hover {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.7);
  transform: translateX(-3px);
}

/* Meta row: date + category pill */
.hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.88);
}

.hero-date {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: rgba(255,255,255,0.88);
}



.hero-category {
  background: rgba(255,255,255,0.18);
  backdrop-filter: blur(8px);
  border: 1.5px solid rgba(255,255,255,0.35);
  color: white;
  padding: 0.3rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  font-family:  sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* Hero title — centred, large, readable */
.hero-title {
  font-size: clamp(1.75rem, 4.5vw, 3.25rem);
  font-weight: 800;
  color: white;
  line-height: 1.2;
  text-shadow: 0 3px 16px rgba(0,0,0,0.55);
  letter-spacing: -0.3px;
  margin: 0;
}

/* ============================================================
   SINGLE POST — ARTICLE BODY
   ============================================================ */
.blog-article {
  padding: 4rem 0 5rem;
  background: var(--bg-white);
}

.blog-article-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.blog-article-body {
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--text-dark);
}

.blog-article-body h2 {
  font-size: 1.75rem;
  margin-top: 3rem;
  margin-bottom: 1.25rem;
  color: var(--primary-color);
  font-weight: 700;
  position: relative;
  padding-bottom: 0.6rem;
}

.blog-article-body h2::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 52px; height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

.blog-article-body h3 {
  font-size: 1.35rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
  font-weight: 700;
}

.blog-article-body p {
  margin-bottom: 1.5rem;
  text-align: justify;
}

.blog-article-body ul,
.blog-article-body ol {
  margin-bottom: 1.5rem;
  padding-left: 1.75rem;
}

.blog-article-body li {
  margin-bottom: 0.6rem;
  line-height: 1.75;
}

.blog-article-body blockquote {
  margin: 2.5rem 0;
  padding: 1.5rem 2rem;
  background: var(--bg-light);
  border-left: 4px solid var(--primary-color);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.75;
}

.blog-article-body blockquote p { margin-bottom: 0; }

.blog-article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin: 2rem auto;
  box-shadow: 0 4px 20px rgba(7,122,125,0.1);
}

.blog-article-body a {
  color: var(--primary-color);
  text-decoration: underline;
  text-decoration-color: rgba(7,122,125,0.35);
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.blog-article-body a:hover {
  color: var(--primary-dark);
  text-decoration-color: var(--primary-dark);
}

/* Remove WordPress default <hr> that appears before post navigation */
.blog-article-content hr { display: none; }

/* ============================================================
   POST NAVIGATION
   ============================================================ */
.post-navigation {
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1.5px solid var(--border-color);
}

.nav-links {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

.nav-previous, .nav-next { flex: 1; }
.nav-next { text-align: right; }

.nav-subtitle {
  display: block;
  font-size: 0.78rem;
  color: var(--text-lighter);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.nav-title {
  font-weight: 700;
  color: var(--primary-color);
  font-family:  sans-serif;
  font-size: 0.95rem;
  line-height: 1.4;
  transition: color 0.2s ease;
}

.nav-previous a:hover .nav-title,
.nav-next a:hover .nav-title { color: var(--primary-dark); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: linear-gradient(135deg, #111827, #1e293b);
  color: white;
  padding: 5rem 0 2rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-color), var(--secondary-color), transparent);
  opacity: 0.7;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
  position: relative;
  z-index: 1;
}

.footer-logo {
  height: 56px; width: auto;
  margin-bottom: 1.5rem;
  filter: brightness(0) invert(1);
}

.footer-section p   { color: rgba(255,255,255,0.65); font-size: 0.9rem; line-height: 1.7; }

.footer-section h4 {
  margin-bottom: 1.25rem;
  font-size: 1rem;
  color: white;
  font-family:  sans-serif;
  font-weight: 700;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-section h4::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 36px; height: 2px;
  background: var(--primary-color);
  border-radius: 1px;
}

.footer-section ul { list-style: none; }
.footer-section ul li { margin-bottom: 0.6rem; }

.footer-section ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.footer-section ul li a:hover { color: var(--primary-color); transform: translateX(4px); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  position: relative;
  z-index: 1;
}

.footer-bottom a          { color: var(--primary-color); transition: color 0.2s ease; }
.footer-bottom a:hover    { color: var(--secondary-color); }

/* ============================================================
   SHIMMER
   ============================================================ */
@keyframes shimmer {
  0%   { background-position: -800px 0; }
  100% { background-position:  800px 0; }
}

.blog-card.loading .blog-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.28) 50%, transparent 100%);
  background-size: 800px 100%;
  animation: shimmer 1.8s infinite linear;
}

/* ============================================================
   RESPONSIVE ≤ 1024px — 2 columns
   ============================================================ */
@media (max-width: 1024px) {
  .blog-grid        { grid-template-columns: repeat(2,1fr); gap: 1.75rem; }
  .footer-content   { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}

/* ============================================================
   RESPONSIVE ≤ 768px — 1 column
   ============================================================ */
@media (max-width: 768px) {
  :root { --navbar-height: 64px; }

  .blog-header        { padding: calc(var(--navbar-height) + 5rem) 0 4rem; }
  .blog-header::after { height: 40px; }
  .blog-content       { padding: 3rem 0 4rem; }

  .blog-grid          { grid-template-columns: 1fr; gap: 1.5rem; }
  .blog-image         { height: 200px; }
  .blog-card-content  { padding: 1.4rem; }
  .blog-card-content h2 { font-size: 1.05rem; }

  /* Hero */
  .blog-hero          { min-height: 440px; }
  .blog-hero-inner    { padding: 3rem 20px; }
  .hero-title         { font-size: clamp(1.5rem, 5vw, 2.25rem); }

  /* Article */
  .blog-article       { padding: 3rem 0 4rem; }
  .blog-article-content { padding: 0 16px; }
  .blog-article-body  { font-size: 1rem; }

  /* Footer */
  .footer-content     { grid-template-columns: 1fr; gap: 2rem; }

  /* Nav */
  .nav-links          { flex-direction: column; gap: 1.25rem; }
  .nav-next           { text-align: left; }

  /* Pagination */
  .pagination         { gap: 0.3rem; }
  .pagination .page-numbers { min-width: 40px; height: 40px; font-size: 0.85rem; }
}

/* ============================================================
   RESPONSIVE ≤ 480px
   ============================================================ */
@media (max-width: 480px) {
  .blog-header        { padding: calc(var(--navbar-height) + 5rem) 0 3.5rem; }
  .blog-content       { padding: 2.5rem 0 3rem; }

  .blog-card          { border-radius: 12px; }
  .blog-card-content  { padding: 1.2rem; }

  .blog-category      { font-size: 0.68rem; padding: 0.3rem 0.75rem; }
  .blog-meta          { font-size: 0.75rem; }
  .blog-card-content h2 { font-size: 1rem; margin-bottom: 0.6rem; }
  .blog-excerpt       { font-size: 0.85rem; -webkit-line-clamp: 2; line-clamp: 2; margin-bottom: 1rem; }
  .blog-read-more     { font-size: 0.8rem; padding: 0.45rem 0.9rem; }

  .blog-hero          { min-height: 360px; }
  .blog-hero-inner    { padding: 2.5rem 16px; }
  .hero-title         { font-size: 1.55rem; }
}