/*
Theme Name: Etaalam - Language Learning
Theme URI: https://etaalam.com
Author: Etaalam
Author URI: https://etaalam.com
Description: A premium bilingual (EN/AR) WordPress theme for language learning. Supports Dutch, Swedish, Italian, German, Spanish, Finnish, French & English courses. Fully SEO-optimized with Schema.org markup, customizable via Customizer — no code needed. RTL-ready, dark mode, AdSense zones, and beautiful animated UI.
Version: 2.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: etaalam
Tags: education, translation-ready, rtl-language-support, custom-menu, custom-logo, featured-images, theme-options, two-columns, right-sidebar
*/

/* ══════════════════════════════════════════════
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ══════════════════════════════════════════════ */
:root {
  /* --- Core Palette --- */
  --e-bg: #FAFBFE;
  --e-bg-alt: #F0F2F8;
  --e-surface: #FFFFFF;
  --e-surface-hover: #F5F7FC;
  --e-text: #1A1D2E;
  --e-text-secondary: #5A5F7A;
  --e-text-muted: #8B90A8;
  --e-border: #E2E5F0;
  --e-border-light: #ECEEF5;

  /* --- Brand Accent --- */
  --e-primary: #2563EB;
  --e-primary-hover: #1D4FD7;
  --e-primary-light: #EBF1FF;
  --e-primary-glow: rgba(37, 99, 235, 0.15);

  /* --- Language Colors --- */
  --e-lang-dutch: #FF6B2B;
  --e-lang-swedish: #006AA7;
  --e-lang-italian: #009246;
  --e-lang-german: #DD0000;
  --e-lang-spanish: #F1BF00;
  --e-lang-finnish: #003580;
  --e-lang-french: #002395;
  --e-lang-english: #8B5CF6;

  /* --- Semantic --- */
  --e-success: #10B981;
  --e-warning: #F59E0B;
  --e-danger: #EF4444;
  --e-info: #06B6D4;

  /* --- Typography --- */
  --e-font-heading: 'Plus Jakarta Sans', sans-serif;
  --e-font-body: 'DM Sans', sans-serif;
  --e-font-arabic: 'Noto Kufi Arabic', 'Tajawal', sans-serif;
  --e-font-mono: 'JetBrains Mono', monospace;

  /* --- Spacing --- */
  --e-gap-xs: 0.25rem;
  --e-gap-sm: 0.5rem;
  --e-gap-md: 1rem;
  --e-gap-lg: 1.5rem;
  --e-gap-xl: 2rem;
  --e-gap-2xl: 3rem;
  --e-gap-3xl: 4rem;

  /* --- Layout --- */
  --e-container: 1280px;
  --e-sidebar-width: 340px;
  --e-radius: 12px;
  --e-radius-lg: 20px;
  --e-radius-full: 9999px;

  /* --- Shadows --- */
  --e-shadow-sm: 0 1px 3px rgba(26, 29, 46, 0.06);
  --e-shadow-md: 0 4px 16px rgba(26, 29, 46, 0.08);
  --e-shadow-lg: 0 8px 32px rgba(26, 29, 46, 0.1);
  --e-shadow-xl: 0 16px 48px rgba(26, 29, 46, 0.12);
  --e-shadow-glow: 0 0 40px var(--e-primary-glow);

  /* --- Transitions --- */
  --e-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --e-duration: 0.3s;
  --e-duration-fast: 0.15s;
  --e-duration-slow: 0.5s;

  /* --- Header --- */
  --e-header-height: 72px;
}

/* ══════════════════════════════════
   DARK MODE
   ══════════════════════════════════ */
[data-theme="dark"] {
  --e-bg: #0F1119;
  --e-bg-alt: #161825;
  --e-surface: #1C1F2E;
  --e-surface-hover: #242738;
  --e-text: #E8EAF0;
  --e-text-secondary: #A0A5BC;
  --e-text-muted: #6B7094;
  --e-border: #2A2D40;
  --e-border-light: #232638;
  --e-primary: #5B8DEF;
  --e-primary-hover: #7AA3F5;
  --e-primary-light: rgba(91, 141, 239, 0.12);
  --e-primary-glow: rgba(91, 141, 239, 0.2);
  --e-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --e-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --e-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
  --e-shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--e-font-body);
  background: var(--e-bg);
  color: var(--e-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background var(--e-duration) var(--e-ease), color var(--e-duration) var(--e-ease);
}

/* RTL Arabic Body */
body.rtl,
[dir="rtl"] {
  font-family: var(--e-font-arabic), var(--e-font-body);
  direction: rtl;
}

a {
  color: var(--e-primary);
  text-decoration: none;
  transition: color var(--e-duration-fast) var(--e-ease);
}
a:hover { color: var(--e-primary-hover); }

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--e-font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--e-text);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

/* ══════════════════════════════════
   LAYOUT CONTAINERS
   ══════════════════════════════════ */
.e-container {
  width: 100%;
  max-width: var(--e-container);
  margin-inline: auto;
  padding-inline: var(--e-gap-lg);
}

.e-container--wide {
  max-width: 1440px;
}

.e-container--narrow {
  max-width: 860px;
}

.e-grid {
  display: grid;
  gap: var(--e-gap-xl);
}

.e-grid--sidebar {
  grid-template-columns: 1fr var(--e-sidebar-width);
}

[dir="rtl"] .e-grid--sidebar {
  grid-template-columns: var(--e-sidebar-width) 1fr;
}

@media (max-width: 1024px) {
  .e-grid--sidebar,
  [dir="rtl"] .e-grid--sidebar {
    grid-template-columns: 1fr;
  }
}

/* ══════════════════════════════════
   SKIP LINK (ACCESSIBILITY)
   ══════════════════════════════════ */
.e-skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--e-primary);
  color: #fff;
  padding: 0.75rem 1.5rem;
  z-index: 10000;
  font-weight: 600;
  border-radius: 0 0 var(--e-radius) 0;
}
.e-skip-link:focus {
  top: 0;
}

/* ══════════════════════════════════
   HEADER & NAVIGATION
   ══════════════════════════════════ */
.e-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 251, 254, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--e-border-light);
  height: var(--e-header-height);
  transition: background var(--e-duration) var(--e-ease),
              box-shadow var(--e-duration) var(--e-ease);
}

[data-theme="dark"] .e-header {
  background: rgba(15, 17, 25, 0.85);
}

.e-header.is-scrolled {
  box-shadow: var(--e-shadow-md);
}

.e-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--e-gap-lg);
}

/* Logo */
.e-logo {
  display: flex;
  align-items: center;
  gap: var(--e-gap-sm);
  font-family: var(--e-font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--e-text);
  flex-shrink: 0;
}
.e-logo img {
  height: 40px;
  width: auto;
}
.e-logo__icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--e-primary), #7C3AED);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}

/* Navigation */
.e-nav {
  display: flex;
  align-items: center;
  gap: 0;
}

.e-nav__list {
  display: flex;
  list-style: none;
  gap: 0;
  align-items: center;
}

.e-nav__item {
  position: relative;
}

.e-nav__link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.5rem 1rem;
  color: var(--e-text-secondary);
  font-weight: 500;
  font-size: 0.925rem;
  border-radius: var(--e-radius);
  transition: all var(--e-duration-fast) var(--e-ease);
  white-space: nowrap;
}

.e-nav__link:hover,
.e-nav__link.is-active {
  color: var(--e-primary);
  background: var(--e-primary-light);
}

.e-nav__link .arrow {
  font-size: 0.6em;
  transition: transform var(--e-duration-fast) var(--e-ease);
}

.e-nav__item:hover .arrow {
  transform: rotate(180deg);
}

/* Dropdown */
.e-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 240px;
  background: var(--e-surface);
  border: 1px solid var(--e-border);
  border-radius: var(--e-radius);
  box-shadow: var(--e-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--e-duration) var(--e-ease);
  padding: var(--e-gap-sm);
  z-index: 100;
}

[dir="rtl"] .e-dropdown {
  left: auto;
  right: 50%;
  transform: translateX(50%) translateY(8px);
}

.e-nav__item:hover .e-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

[dir="rtl"] .e-nav__item:hover .e-dropdown {
  transform: translateX(50%) translateY(0);
}

.e-dropdown__item a {
  display: flex;
  align-items: center;
  gap: var(--e-gap-sm);
  padding: 0.6rem 0.875rem;
  color: var(--e-text-secondary);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--e-duration-fast) var(--e-ease);
}

.e-dropdown__item a:hover {
  background: var(--e-primary-light);
  color: var(--e-primary);
}

.e-dropdown__flag {
  width: 24px;
  height: 18px;
  border-radius: 3px;
  object-fit: cover;
}

/* Mega Menu for Languages */
.e-mega-menu {
  min-width: 520px;
  padding: var(--e-gap-lg);
}

.e-mega-menu__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--e-gap-sm);
}

.e-mega-menu__lang {
  display: flex;
  align-items: center;
  gap: var(--e-gap-sm);
  padding: 0.75rem 1rem;
  border-radius: var(--e-radius);
  transition: all var(--e-duration-fast) var(--e-ease);
  color: var(--e-text);
  font-weight: 500;
}

.e-mega-menu__lang:hover {
  background: var(--e-primary-light);
  color: var(--e-primary);
  transform: translateY(-1px);
}

.e-mega-menu__lang-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Header Actions */
.e-header__actions {
  display: flex;
  align-items: center;
  gap: var(--e-gap-sm);
  flex-shrink: 0;
}

/* Search Toggle */
.e-search-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--e-text-secondary);
  border-radius: var(--e-radius);
  cursor: pointer;
  transition: all var(--e-duration-fast) var(--e-ease);
  font-size: 1.15rem;
}
.e-search-toggle:hover {
  background: var(--e-primary-light);
  color: var(--e-primary);
}

/* Language Switcher */
.e-lang-switch {
  display: flex;
  align-items: center;
  background: var(--e-bg-alt);
  border-radius: var(--e-radius-full);
  padding: 3px;
  gap: 2px;
}

.e-lang-switch__btn {
  padding: 0.35rem 0.75rem;
  border: none;
  background: transparent;
  border-radius: var(--e-radius-full);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--e-text-muted);
  transition: all var(--e-duration-fast) var(--e-ease);
}

.e-lang-switch__btn.is-active {
  background: var(--e-surface);
  color: var(--e-primary);
  box-shadow: var(--e-shadow-sm);
}

/* Dark Mode Toggle */
.e-theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: var(--e-bg-alt);
  border-radius: var(--e-radius-full);
  cursor: pointer;
  color: var(--e-text-secondary);
  font-size: 1.1rem;
  transition: all var(--e-duration) var(--e-ease);
}
.e-theme-toggle:hover {
  background: var(--e-primary-light);
  color: var(--e-primary);
}

/* Mobile Menu Toggle */
.e-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--e-text);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: var(--e-radius);
}

.e-menu-toggle span {
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all var(--e-duration) var(--e-ease);
}

.e-menu-toggle.is-open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.e-menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.e-menu-toggle.is-open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 1024px) {
  .e-menu-toggle { display: flex; }
  .e-nav {
    position: fixed;
    top: var(--e-header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--e-surface);
    padding: var(--e-gap-lg);
    transform: translateX(-100%);
    transition: transform var(--e-duration) var(--e-ease);
    overflow-y: auto;
    z-index: 999;
  }
  [dir="rtl"] .e-nav {
    transform: translateX(100%);
  }
  .e-nav.is-open {
    transform: translateX(0);
  }
  .e-nav__list {
    flex-direction: column;
    align-items: stretch;
  }
  .e-dropdown,
  .e-mega-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--e-bg-alt);
    min-width: 100%;
    display: none;
  }
  .e-nav__item.is-open .e-dropdown,
  .e-nav__item.is-open .e-mega-menu {
    display: block;
    opacity: 1;
    visibility: visible;
  }
  .e-mega-menu__grid {
    grid-template-columns: 1fr;
  }
}

/* ══════════════════════════════════
   SEARCH OVERLAY
   ══════════════════════════════════ */
.e-search-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(26, 29, 46, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  opacity: 0;
  visibility: hidden;
  transition: all var(--e-duration) var(--e-ease);
}

.e-search-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.e-search-overlay__inner {
  width: 100%;
  max-width: 640px;
  background: var(--e-surface);
  border-radius: var(--e-radius-lg);
  box-shadow: var(--e-shadow-xl);
  overflow: hidden;
  transform: translateY(-20px) scale(0.97);
  transition: transform var(--e-duration) var(--e-ease);
}

.e-search-overlay.is-open .e-search-overlay__inner {
  transform: translateY(0) scale(1);
}

.e-search-overlay__input-wrap {
  display: flex;
  align-items: center;
  padding: var(--e-gap-lg);
  gap: var(--e-gap-md);
  border-bottom: 1px solid var(--e-border);
}

.e-search-overlay__input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 1.2rem;
  font-family: var(--e-font-body);
  color: var(--e-text);
}

.e-search-overlay__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--e-border);
  background: var(--e-bg-alt);
  border-radius: 8px;
  cursor: pointer;
  color: var(--e-text-muted);
  font-size: 0.75rem;
  font-weight: 700;
}

.e-search-overlay__results {
  max-height: 400px;
  overflow-y: auto;
  padding: var(--e-gap-md);
}

/* ══════════════════════════════════
   HERO SECTION
   ══════════════════════════════════ */
.e-hero {
  position: relative;
  padding: var(--e-gap-3xl) 0;
  overflow: hidden;
  min-height: 560px;
  display: flex;
  align-items: center;
}

.e-hero__bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, var(--e-primary-glow) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(6, 182, 212, 0.06) 0%, transparent 40%);
  z-index: 0;
}

.e-hero__pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, var(--e-border) 1px, transparent 0);
  background-size: 40px 40px;
  opacity: 0.4;
  z-index: 0;
}

.e-hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.e-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--e-gap-sm);
  padding: 0.4rem 1rem;
  background: var(--e-primary-light);
  color: var(--e-primary);
  border-radius: var(--e-radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--e-gap-lg);
  animation: fadeInUp 0.6s var(--e-ease) both;
}

.e-hero__title {
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: var(--e-gap-lg);
  animation: fadeInUp 0.6s var(--e-ease) 0.1s both;
}

.e-hero__title-accent {
  background: linear-gradient(135deg, var(--e-primary), #7C3AED);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.e-hero__desc {
  font-size: 1.15rem;
  color: var(--e-text-secondary);
  line-height: 1.75;
  max-width: 600px;
  margin: 0 auto var(--e-gap-xl);
  animation: fadeInUp 0.6s var(--e-ease) 0.2s both;
}

.e-hero__actions {
  display: flex;
  gap: var(--e-gap-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s var(--e-ease) 0.3s both;
}

/* ══════════════════════════════════
   BUTTONS
   ══════════════════════════════════ */
.e-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--e-gap-sm);
  padding: 0.75rem 1.75rem;
  border-radius: var(--e-radius);
  font-family: var(--e-font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--e-duration) var(--e-ease);
  white-space: nowrap;
  text-decoration: none;
}

.e-btn--primary {
  background: var(--e-primary);
  color: #fff;
  box-shadow: 0 2px 12px var(--e-primary-glow);
}
.e-btn--primary:hover {
  background: var(--e-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--e-primary-glow);
  color: #fff;
}

.e-btn--outline {
  background: transparent;
  border-color: var(--e-border);
  color: var(--e-text);
}
.e-btn--outline:hover {
  border-color: var(--e-primary);
  color: var(--e-primary);
  background: var(--e-primary-light);
}

.e-btn--ghost {
  background: transparent;
  color: var(--e-primary);
}
.e-btn--ghost:hover {
  background: var(--e-primary-light);
}

.e-btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.e-btn--lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

/* ══════════════════════════════════
   LANGUAGE CARDS (HOMEPAGE)
   ══════════════════════════════════ */
.e-lang-cards {
  padding: var(--e-gap-3xl) 0;
}

.e-section-header {
  text-align: center;
  margin-bottom: var(--e-gap-2xl);
}

.e-section-header__subtitle {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--e-primary);
  margin-bottom: var(--e-gap-sm);
}

.e-section-header__title {
  margin-bottom: var(--e-gap-sm);
}

.e-section-header__desc {
  color: var(--e-text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

.e-lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--e-gap-lg);
}

.e-lang-card {
  position: relative;
  background: var(--e-surface);
  border: 1px solid var(--e-border);
  border-radius: var(--e-radius-lg);
  padding: var(--e-gap-xl);
  transition: all var(--e-duration) var(--e-ease);
  overflow: hidden;
  text-decoration: none;
  color: var(--e-text);
  display: block;
}

.e-lang-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--card-accent);
  transform: scaleX(0);
  transition: transform var(--e-duration) var(--e-ease);
}

.e-lang-card:hover {
  border-color: transparent;
  box-shadow: var(--e-shadow-lg);
  transform: translateY(-4px);
}

.e-lang-card:hover::before {
  transform: scaleX(1);
}

.e-lang-card__flag {
  width: 56px;
  height: 42px;
  border-radius: 8px;
  object-fit: cover;
  margin-bottom: var(--e-gap-md);
  box-shadow: var(--e-shadow-sm);
}

.e-lang-card__name {
  font-family: var(--e-font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: var(--e-gap-xs);
}

.e-lang-card__native {
  font-size: 0.9rem;
  color: var(--e-text-muted);
  margin-bottom: var(--e-gap-md);
}

.e-lang-card__meta {
  display: flex;
  gap: var(--e-gap-md);
  font-size: 0.85rem;
  color: var(--e-text-secondary);
}

.e-lang-card__meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ══════════════════════════════════
   LEVEL BADGES
   ══════════════════════════════════ */
.e-level-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  border-radius: var(--e-radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.e-level-badge--a1 { background: #DCFCE7; color: #166534; }
.e-level-badge--a2 { background: #D1FAE5; color: #065F46; }
.e-level-badge--b1 { background: #DBEAFE; color: #1E40AF; }
.e-level-badge--b2 { background: #E0E7FF; color: #3730A3; }
.e-level-badge--c1 { background: #F3E8FF; color: #6B21A8; }
.e-level-badge--c2 { background: #FCE7F3; color: #9D174D; }

[data-theme="dark"] .e-level-badge--a1 { background: rgba(22, 163, 74, 0.2); color: #86EFAC; }
[data-theme="dark"] .e-level-badge--a2 { background: rgba(5, 150, 105, 0.2); color: #6EE7B7; }
[data-theme="dark"] .e-level-badge--b1 { background: rgba(37, 99, 235, 0.2); color: #93C5FD; }
[data-theme="dark"] .e-level-badge--b2 { background: rgba(67, 56, 202, 0.2); color: #A5B4FC; }
[data-theme="dark"] .e-level-badge--c1 { background: rgba(124, 58, 237, 0.2); color: #C4B5FD; }
[data-theme="dark"] .e-level-badge--c2 { background: rgba(219, 39, 119, 0.2); color: #F9A8D4; }

/* ══════════════════════════════════
   FEATURED / LATEST LESSONS
   ══════════════════════════════════ */
.e-lessons {
  padding: var(--e-gap-3xl) 0;
}

.e-lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--e-gap-lg);
}

.e-lesson-card {
  background: var(--e-surface);
  border: 1px solid var(--e-border);
  border-radius: var(--e-radius-lg);
  overflow: hidden;
  transition: all var(--e-duration) var(--e-ease);
  display: flex;
  flex-direction: column;
}

.e-lesson-card:hover {
  box-shadow: var(--e-shadow-lg);
  transform: translateY(-3px);
  border-color: transparent;
}

.e-lesson-card__thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--e-bg-alt);
}

.e-lesson-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--e-duration-slow) var(--e-ease);
}

.e-lesson-card:hover .e-lesson-card__thumb img {
  transform: scale(1.05);
}

.e-lesson-card__badges {
  position: absolute;
  top: var(--e-gap-sm);
  left: var(--e-gap-sm);
  display: flex;
  gap: var(--e-gap-xs);
}

[dir="rtl"] .e-lesson-card__badges {
  left: auto;
  right: var(--e-gap-sm);
}

.e-lesson-card__body {
  padding: var(--e-gap-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.e-lesson-card__lang {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--e-gap-xs);
}

.e-lesson-card__title {
  font-family: var(--e-font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--e-gap-sm);
}

.e-lesson-card__title a {
  color: var(--e-text);
  transition: color var(--e-duration-fast) var(--e-ease);
}
.e-lesson-card__title a:hover {
  color: var(--e-primary);
}

.e-lesson-card__excerpt {
  font-size: 0.9rem;
  color: var(--e-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--e-gap-md);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.e-lesson-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--e-gap-md);
  border-top: 1px solid var(--e-border-light);
  font-size: 0.8rem;
  color: var(--e-text-muted);
}

.e-lesson-card__read-more {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--e-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.e-lesson-card__read-more .arrow {
  transition: transform var(--e-duration-fast) var(--e-ease);
}

.e-lesson-card:hover .e-lesson-card__read-more .arrow {
  transform: translateX(4px);
}

[dir="rtl"] .e-lesson-card:hover .e-lesson-card__read-more .arrow {
  transform: translateX(-4px);
}

/* ══════════════════════════════════
   SINGLE POST / LESSON
   ══════════════════════════════════ */
.e-article {
  padding: var(--e-gap-2xl) 0;
}

.e-article__header {
  margin-bottom: var(--e-gap-2xl);
}

.e-article__breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--e-gap-sm);
  font-size: 0.85rem;
  color: var(--e-text-muted);
  margin-bottom: var(--e-gap-lg);
  flex-wrap: wrap;
}

.e-article__breadcrumbs a {
  color: var(--e-text-secondary);
}
.e-article__breadcrumbs a:hover {
  color: var(--e-primary);
}

.e-article__meta-top {
  display: flex;
  align-items: center;
  gap: var(--e-gap-md);
  margin-bottom: var(--e-gap-md);
  flex-wrap: wrap;
}

.e-article__content {
  font-size: 1.05rem;
  line-height: 1.85;
}

.e-article__content h2 {
  margin-top: var(--e-gap-2xl);
  margin-bottom: var(--e-gap-md);
}

.e-article__content h3 {
  margin-top: var(--e-gap-xl);
  margin-bottom: var(--e-gap-md);
}

.e-article__content p {
  margin-bottom: var(--e-gap-lg);
}

.e-article__content ul,
.e-article__content ol {
  margin-bottom: var(--e-gap-lg);
  padding-inline-start: 1.5rem;
}

.e-article__content li {
  margin-bottom: var(--e-gap-sm);
}

.e-article__content blockquote {
  border-inline-start: 4px solid var(--e-primary);
  padding: var(--e-gap-lg);
  background: var(--e-primary-light);
  border-radius: 0 var(--e-radius) var(--e-radius) 0;
  margin: var(--e-gap-xl) 0;
  font-style: italic;
  color: var(--e-text-secondary);
}

[dir="rtl"] .e-article__content blockquote {
  border-radius: var(--e-radius) 0 0 var(--e-radius);
}

.e-article__content pre {
  background: var(--e-bg-alt);
  border: 1px solid var(--e-border);
  border-radius: var(--e-radius);
  padding: var(--e-gap-lg);
  overflow-x: auto;
  margin: var(--e-gap-xl) 0;
  font-family: var(--e-font-mono);
  font-size: 0.9rem;
}

.e-article__content code {
  font-family: var(--e-font-mono);
  font-size: 0.85em;
  background: var(--e-bg-alt);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

.e-article__content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--e-gap-xl) 0;
  border: 1px solid var(--e-border);
  border-radius: var(--e-radius);
  overflow: hidden;
}

.e-article__content th,
.e-article__content td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--e-border);
  text-align: start;
}

.e-article__content th {
  background: var(--e-bg-alt);
  font-weight: 600;
  font-size: 0.9rem;
}

.e-article__content img {
  border-radius: var(--e-radius);
  margin: var(--e-gap-xl) auto;
}

/* Table of Contents */
.e-toc {
  background: var(--e-surface);
  border: 1px solid var(--e-border);
  border-radius: var(--e-radius-lg);
  padding: var(--e-gap-lg);
  margin-bottom: var(--e-gap-xl);
}

.e-toc__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--e-gap-md);
  display: flex;
  align-items: center;
  gap: var(--e-gap-sm);
  cursor: pointer;
}

.e-toc__list {
  list-style: none;
  counter-reset: toc;
}

.e-toc__list li {
  counter-increment: toc;
}

.e-toc__list li a {
  display: flex;
  align-items: center;
  gap: var(--e-gap-sm);
  padding: 0.4rem 0;
  color: var(--e-text-secondary);
  font-size: 0.9rem;
  border-bottom: 1px solid var(--e-border-light);
  transition: color var(--e-duration-fast);
}

.e-toc__list li a::before {
  content: counter(toc, decimal-leading-zero);
  font-weight: 700;
  color: var(--e-text-muted);
  font-size: 0.8rem;
  font-family: var(--e-font-mono);
}

.e-toc__list li a:hover {
  color: var(--e-primary);
}

/* ══════════════════════════════════
   SIDEBAR
   ══════════════════════════════════ */
.e-sidebar {}

.e-widget {
  background: var(--e-surface);
  border: 1px solid var(--e-border);
  border-radius: var(--e-radius-lg);
  padding: var(--e-gap-lg);
  margin-bottom: var(--e-gap-lg);
}

.e-widget__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--e-gap-md);
  padding-bottom: var(--e-gap-sm);
  border-bottom: 2px solid var(--e-primary);
  display: inline-block;
}

/* AdSense Widget */
.e-widget--ad {
  background: var(--e-bg-alt);
  border-style: dashed;
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--e-text-muted);
  font-size: 0.85rem;
}

/* Popular Posts Widget */
.e-popular-post {
  display: flex;
  gap: var(--e-gap-md);
  padding: var(--e-gap-sm) 0;
  border-bottom: 1px solid var(--e-border-light);
}

.e-popular-post:last-child {
  border-bottom: none;
}

.e-popular-post__thumb {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  border-radius: var(--e-radius);
  overflow: hidden;
  background: var(--e-bg-alt);
}

.e-popular-post__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.e-popular-post__title {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 4px;
}

.e-popular-post__title a {
  color: var(--e-text);
}
.e-popular-post__title a:hover {
  color: var(--e-primary);
}

.e-popular-post__date {
  font-size: 0.8rem;
  color: var(--e-text-muted);
}

/* Newsletter Widget */
.e-newsletter {
  background: linear-gradient(135deg, var(--e-primary), #7C3AED);
  border: none;
  color: #fff;
}

.e-newsletter .e-widget__title {
  color: #fff;
  border-bottom-color: rgba(255,255,255,0.3);
}

.e-newsletter__desc {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-bottom: var(--e-gap-md);
}

.e-newsletter__form {
  display: flex;
  flex-direction: column;
  gap: var(--e-gap-sm);
}

.e-newsletter__input {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 2px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  border-radius: var(--e-radius);
  color: #fff;
  font-family: var(--e-font-body);
  font-size: 0.9rem;
}
.e-newsletter__input::placeholder { color: rgba(255,255,255,0.6); }
.e-newsletter__input:focus {
  outline: none;
  border-color: rgba(255,255,255,0.5);
}

.e-newsletter__btn {
  padding: 0.7rem;
  border: none;
  background: #fff;
  color: var(--e-primary);
  border-radius: var(--e-radius);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--e-duration-fast) var(--e-ease);
}
.e-newsletter__btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Language Filter Widget */
.e-lang-filter__list {
  display: flex;
  flex-direction: column;
  gap: var(--e-gap-xs);
}

.e-lang-filter__item a {
  display: flex;
  align-items: center;
  gap: var(--e-gap-sm);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  color: var(--e-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--e-duration-fast) var(--e-ease);
}

.e-lang-filter__item a:hover {
  background: var(--e-primary-light);
  color: var(--e-primary);
}

.e-lang-filter__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.e-lang-filter__count {
  margin-inline-start: auto;
  font-size: 0.8rem;
  color: var(--e-text-muted);
}

/* ══════════════════════════════════
   FEATURES SECTION
   ══════════════════════════════════ */
.e-features {
  padding: var(--e-gap-3xl) 0;
  background: var(--e-bg-alt);
}

.e-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--e-gap-lg);
}

.e-feature-card {
  background: var(--e-surface);
  border: 1px solid var(--e-border);
  border-radius: var(--e-radius-lg);
  padding: var(--e-gap-xl);
  transition: all var(--e-duration) var(--e-ease);
}

.e-feature-card:hover {
  box-shadow: var(--e-shadow-md);
  transform: translateY(-2px);
}

.e-feature-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--e-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--e-gap-md);
  background: var(--e-primary-light);
  color: var(--e-primary);
}

.e-feature-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--e-gap-sm);
}

.e-feature-card__desc {
  font-size: 0.9rem;
  color: var(--e-text-secondary);
  line-height: 1.6;
}

/* ══════════════════════════════════
   STATS SECTION
   ══════════════════════════════════ */
.e-stats {
  padding: var(--e-gap-2xl) 0;
}

.e-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--e-gap-lg);
  text-align: center;
}

@media (max-width: 768px) {
  .e-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.e-stat__number {
  font-family: var(--e-font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--e-primary);
  line-height: 1;
  margin-bottom: var(--e-gap-xs);
}

.e-stat__label {
  font-size: 0.9rem;
  color: var(--e-text-secondary);
  font-weight: 500;
}

/* ══════════════════════════════════
   CTA SECTION
   ══════════════════════════════════ */
.e-cta {
  padding: var(--e-gap-3xl) 0;
}

.e-cta__inner {
  background: linear-gradient(135deg, var(--e-primary), #7C3AED);
  border-radius: var(--e-radius-lg);
  padding: var(--e-gap-3xl);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.e-cta__inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.e-cta__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: var(--e-gap-md);
  position: relative;
  color: #fff;
}

.e-cta__desc {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 500px;
  margin: 0 auto var(--e-gap-xl);
  position: relative;
}

.e-cta .e-btn--primary {
  background: #fff;
  color: var(--e-primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

/* ══════════════════════════════════
   PAGINATION
   ══════════════════════════════════ */
.e-pagination {
  display: flex;
  justify-content: center;
  gap: var(--e-gap-sm);
  padding: var(--e-gap-xl) 0;
}

.e-pagination a,
.e-pagination span {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--e-radius);
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid var(--e-border);
  color: var(--e-text-secondary);
  transition: all var(--e-duration-fast) var(--e-ease);
}

.e-pagination a:hover {
  background: var(--e-primary-light);
  border-color: var(--e-primary);
  color: var(--e-primary);
}

.e-pagination .current {
  background: var(--e-primary);
  border-color: var(--e-primary);
  color: #fff;
}

/* ══════════════════════════════════
   FOOTER
   ══════════════════════════════════ */
.e-footer {
  background: var(--e-bg-alt);
  border-top: 1px solid var(--e-border);
  padding: var(--e-gap-3xl) 0 0;
}

.e-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--e-gap-2xl);
  margin-bottom: var(--e-gap-2xl);
}

@media (max-width: 768px) {
  .e-footer__grid {
    grid-template-columns: 1fr;
  }
}

.e-footer__brand {
  max-width: 320px;
}

.e-footer__desc {
  font-size: 0.9rem;
  color: var(--e-text-secondary);
  margin-top: var(--e-gap-md);
  line-height: 1.7;
}

.e-footer__social {
  display: flex;
  gap: var(--e-gap-sm);
  margin-top: var(--e-gap-lg);
}

.e-footer__social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--e-radius);
  background: var(--e-surface);
  color: var(--e-text-secondary);
  transition: all var(--e-duration-fast) var(--e-ease);
  border: 1px solid var(--e-border);
}

.e-footer__social a:hover {
  background: var(--e-primary);
  color: #fff;
  border-color: var(--e-primary);
}

.e-footer__heading {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: var(--e-gap-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.e-footer__links {
  list-style: none;
}

.e-footer__links li {
  margin-bottom: var(--e-gap-sm);
}

.e-footer__links a {
  color: var(--e-text-secondary);
  font-size: 0.9rem;
  transition: color var(--e-duration-fast) var(--e-ease);
}

.e-footer__links a:hover {
  color: var(--e-primary);
}

.e-footer__bottom {
  border-top: 1px solid var(--e-border);
  padding: var(--e-gap-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--e-gap-md);
  font-size: 0.85rem;
  color: var(--e-text-muted);
}

/* ══════════════════════════════════
   ADSENSE ZONES
   ══════════════════════════════════ */
.e-ad-zone {
  margin: var(--e-gap-xl) 0;
  text-align: center;
}

.e-ad-zone--header {
  margin: 0;
  padding: var(--e-gap-sm) 0;
  background: var(--e-bg-alt);
}

.e-ad-zone--in-article {
  margin: var(--e-gap-2xl) 0;
  padding: var(--e-gap-md);
  border-top: 1px solid var(--e-border-light);
  border-bottom: 1px solid var(--e-border-light);
}

.e-ad-zone--sidebar {
  margin-bottom: var(--e-gap-lg);
}

.e-ad-zone--footer {
  padding: var(--e-gap-lg) 0;
}

/* ══════════════════════════════════
   BREADCRUMBS (SEO / Schema)
   ══════════════════════════════════ */
.e-breadcrumbs {
  padding: var(--e-gap-md) 0;
  font-size: 0.85rem;
}

.e-breadcrumbs__list {
  display: flex;
  align-items: center;
  gap: var(--e-gap-sm);
  list-style: none;
  flex-wrap: wrap;
}

.e-breadcrumbs__list li + li::before {
  content: '›';
  color: var(--e-text-muted);
  margin-inline-end: var(--e-gap-sm);
}

.e-breadcrumbs__list a {
  color: var(--e-text-secondary);
}

.e-breadcrumbs__list .current {
  color: var(--e-text-muted);
}

/* ══════════════════════════════════
   PROGRESS BAR
   ══════════════════════════════════ */
.e-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--e-primary), #7C3AED);
  z-index: 1001;
  transition: width 0.1s linear;
}

/* ══════════════════════════════════
   BACK TO TOP
   ══════════════════════════════════ */
.e-back-top {
  position: fixed;
  bottom: var(--e-gap-xl);
  right: var(--e-gap-xl);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--e-primary);
  color: #fff;
  border: none;
  border-radius: var(--e-radius-full);
  cursor: pointer;
  box-shadow: var(--e-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--e-duration) var(--e-ease);
  z-index: 99;
}

[dir="rtl"] .e-back-top {
  right: auto;
  left: var(--e-gap-xl);
}

.e-back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.e-back-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--e-shadow-xl);
}

/* ══════════════════════════════════
   404 PAGE
   ══════════════════════════════════ */
.e-404 {
  text-align: center;
  padding: var(--e-gap-3xl) 0;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.e-404__code {
  font-family: var(--e-font-heading);
  font-size: 8rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--e-primary), #7C3AED);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ══════════════════════════════════
   COMMENTS
   ══════════════════════════════════ */
.e-comments {
  margin-top: var(--e-gap-2xl);
}

.e-comment {
  display: flex;
  gap: var(--e-gap-md);
  padding: var(--e-gap-lg) 0;
  border-bottom: 1px solid var(--e-border-light);
}

.e-comment__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--e-radius-full);
  flex-shrink: 0;
  overflow: hidden;
  background: var(--e-bg-alt);
}

.e-comment__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.e-comment__author {
  font-weight: 700;
  font-size: 0.95rem;
}

.e-comment__date {
  font-size: 0.8rem;
  color: var(--e-text-muted);
}

.e-comment__text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--e-text-secondary);
  margin-top: var(--e-gap-sm);
}

/* Comment Form */
.e-comment-form input,
.e-comment-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--e-border);
  border-radius: var(--e-radius);
  background: var(--e-surface);
  font-family: var(--e-font-body);
  font-size: 0.95rem;
  color: var(--e-text);
  transition: border-color var(--e-duration-fast) var(--e-ease);
}

.e-comment-form input:focus,
.e-comment-form textarea:focus {
  outline: none;
  border-color: var(--e-primary);
  box-shadow: 0 0 0 3px var(--e-primary-glow);
}

/* ══════════════════════════════════
   RELATED POSTS
   ══════════════════════════════════ */
.e-related {
  padding: var(--e-gap-2xl) 0;
  border-top: 1px solid var(--e-border);
}

.e-related__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--e-gap-lg);
}

/* ══════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInRight {
  from { transform: translateX(20px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Scroll-triggered animations */
.e-animate {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--e-ease), transform 0.6s var(--e-ease);
}

.e-animate.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.e-stagger > * {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.5s var(--e-ease), transform 0.5s var(--e-ease);
}

.e-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.e-stagger.is-visible > *:nth-child(2) { transition-delay: 0.1s; }
.e-stagger.is-visible > *:nth-child(3) { transition-delay: 0.15s; }
.e-stagger.is-visible > *:nth-child(4) { transition-delay: 0.2s; }
.e-stagger.is-visible > *:nth-child(5) { transition-delay: 0.25s; }
.e-stagger.is-visible > *:nth-child(6) { transition-delay: 0.3s; }
.e-stagger.is-visible > *:nth-child(7) { transition-delay: 0.35s; }
.e-stagger.is-visible > *:nth-child(8) { transition-delay: 0.4s; }

.e-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════
   ACCESSIBILITY
   ══════════════════════════════════ */
:focus-visible {
  outline: 2px solid var(--e-primary);
  outline-offset: 2px;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

/* ══════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════ */
@media (max-width: 768px) {
  :root {
    --e-header-height: 64px;
  }

  .e-hero {
    padding: var(--e-gap-2xl) 0;
    min-height: auto;
  }

  .e-hero__title {
    font-size: 2rem;
  }

  .e-lang-grid {
    grid-template-columns: 1fr 1fr;
  }

  .e-lessons-grid {
    grid-template-columns: 1fr;
  }

  .e-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .e-cta__inner {
    padding: var(--e-gap-2xl) var(--e-gap-lg);
  }
}

@media (max-width: 480px) {
  .e-lang-grid {
    grid-template-columns: 1fr;
  }

  .e-footer__grid {
    grid-template-columns: 1fr;
  }

  .e-hero__actions {
    flex-direction: column;
    align-items: center;
  }
}

/* ══════════════════════════════════
   PRINT STYLES
   ══════════════════════════════════ */
@media print {
  .e-header,
  .e-footer,
  .e-sidebar,
  .e-ad-zone,
  .e-back-top,
  .e-progress-bar,
  .e-search-overlay {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 12pt;
  }

  .e-article__content {
    max-width: 100%;
  }
}