/*
Theme Name: HC IELTS
Theme URI: https://hcielts.com
Author: HC IELTS Team
Author URI: https://hcielts.com
Description: Theme luyện thi IELTS chuẩn SEO, tối ưu Google PageSpeed, sử dụng Gutenberg Block Editor
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: LICENSE
Text Domain: hcielts
Tags: education, ielts, one-page, gutenberg, block-editor, seo-optimized
*/

/* ==========================================================================
   CSS Custom Properties (Design Tokens từ Figma)
   ========================================================================== */
:root {
  /* Primary Colors */
  --primary-main: #093FA5;
  --primary-hover: #0B4FCB;
  --primary-pressed: #072E7A;
  --primary-surface: #E6FCFF;
  --primary-border: #BFD4FF;
  --primary-focus: rgba(9,63,165,0.20);

  /* Secondary Colors */
  --secondary-main: #87C2F4;
  --secondary-surface: #EAF7FF;
  --secondary-border: #B6E3FB;
  --secondary-hover: #4FB3EB;

  /* Accent Colors */
  --accent-main: #F9E97F;
  --accent-hover: #FAD94D;
  --accent-surface: #FFFGDB;
  --accent-text: #7A6D00;

  /* Neutral Colors */
  --neutral-10: #FFFFFF;
  --neutral-20: #F5F5F5;
  --neutral-30: #EDEDED;
  --neutral-40: #E0E0E0;
  --neutral-60: #C2C2C2;
  --neutral-70: #9E9E9E;
  --neutral-80: #757575;
  --neutral-90: #616161;
  --neutral-95: #424242;
  --neutral-100: #0D0D0D;

  /* Text Colors */
  --text-heading: #0F2A6B;
  --text-body: #1E3A8A;
  --text-secondary: #475569;
  --text-link: #093FA5;

  /* Danger */
  --danger-main: #E00000;
  --success-main: #22C55E;

  /* Typography */
  --font-heading: 'Be Vietnam Pro', 'Roboto', sans-serif;
  --font-body: 'Be Vietnam Pro', 'Roboto', sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 80px;
  --space-5xl: 100px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(9,63,165,0.08);
  --shadow-md: 0 4px 16px rgba(9,63,165,0.12);
  --shadow-lg: 0 8px 32px rgba(9,63,165,0.16);
  --shadow-xl: 0 16px 48px rgba(9,63,165,0.20);

  /* Container */
  --container-max: 1390px;
  --container-padding: 0px;
}

/* ==========================================================================
   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(--font-body);
  color: var(--neutral-95);
  background-color: var(--neutral-10);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

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

h1 { font-size: clamp(28px, 5vw, 48px); }
h2 { font-size: clamp(22px, 4vw, 36px); }
h3 { font-size: clamp(18px, 3vw, 24px); }
h4 { font-size: clamp(16px, 2.5vw, 20px); }
h5 { font-size: 18px; }
h6 { font-size: 16px; }

p { 
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}

p:last-child { margin-bottom: 0; }

/* ==========================================================================
   Layout Utilities
   ========================================================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section-padding {
  padding: var(--space-5xl) 0;
}

.section-padding-sm {
  padding: var(--space-3xl) 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Section Labels */
.section-label {
  display: inline-block;
  background: var(--accent-main);
  color: var(--accent-text);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.section-label.blue {
  background: var(--primary-main);
  color: white;
}

.section-title {
  color: var(--text-heading);
  font-weight: 800;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary:hover {
background: var(--primary-hover) !important;
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--accent-main);
  color: var(--accent-text);
}

.btn-accent:hover {
  background: var(--accent-hover);
  color: var(--accent-text);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(249,233,127,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--primary-main);
  border: 2px solid var(--primary-main);
}

.btn-outline:hover {
  background: var(--primary-main);
  color: white;
}

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

.btn-white:hover {
  background: var(--primary-surface);
  color: var(--primary-main);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

.btn-sm {
    padding: 12px 30px;
    font-weight: 700;
    font-size: 16px;
    line-height: 20px;
    text-align: center;
    vertical-align: middle;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: white;
  box-shadow: 0 2px 12px rgba(9,63,165,0.0);
  transition: all 0.3s ease;
}

.header-top-bar {
  background: var(--primary-main);
  color: white;
  font-size: 16px;
padding: 10px 0;
}

.header-top-bar .container {
  display: flex;
  justify-content: end;
  align-items: center;
}

.header-top-bar a {
    color: rgba(255, 255, 255, 0.85);
    gap: 10px;
    display: flex;
    align-items: center;
}

.header-top-bar a:hover {
  color: white;
}

.site-header-inner {
  display: flex;
  align-items: center;
  padding: 30px 0;
  gap: var(--space-lg);
    justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo img {
  height: 40px;
  width: auto;
}

.site-logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-main);
  letter-spacing: -0.5px;
}

.site-logo-text span {
  color: var(--accent-text);
}

/* Main Nav */
#primary-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

#primary-menu li {
  position: relative;
}

#primary-menu > li > a {
  display: block;
  padding: 8px 14px;
  color: #0147CA;
  border-radius: var(--radius-md);
  transition: all 0.2s;
font-weight: 500;
font-size: 16px;
line-height: 16px;
text-transform: capitalize;

}

#primary-menu > li > a:hover
{
  color: var(--primary-main);
  background: var(--primary-surface);
}

/* Dropdown */
#primary-menu .sub-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  padding: 8px;
  border: 1px solid var(--neutral-30);
}

#primary-menu li:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  top: calc(100% + 4px);
}

#primary-menu .sub-menu a {
  display: block;
  padding: 9px 14px;
  color: var(--text-body);
  font-size: 14px;
  border-radius: var(--radius-md);
  font-weight: 500;
}

#primary-menu .sub-menu a:hover {
  background: var(--primary-surface);
  color: var(--primary-main);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

/* Mobile Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--primary-main);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  transition: all 0.3s;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  background: linear-gradient(135deg, var(--primary-main) 0%, #1557C0 50%, #0A3D94 100%);
  padding: var(--space-5xl) 0;
  position: relative;
  overflow: hidden;
  min-height: 560px;
  display: flex;
  align-items: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(135,194,244,0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(249,233,127,0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(249,233,127,0.2);
  border: 1px solid rgba(249,233,127,0.4);
  color: var(--accent-main);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.hero-title {
  font-size: clamp(28px, 4.5vw, 46px);
  font-weight: 800;
  color: white;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.hero-title .highlight {
  color: var(--accent-main);
  position: relative;
}

.hero-subtitle {
  color: rgba(255,255,255,0.85);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--accent-main);
  line-height: 1;
}

.hero-stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.75);
  margin-top: 4px;
}

.hero-image-area {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-image-card {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  max-width: 480px;
  width: 100%;
}

/* Slider dots */
.nav-pa {display:flex;gap:60px;align-items: center;cursor:pointer;}
.nav-pa .swiper-pagination-custom {
  display: flex;
  gap: 6px;
  justify-content: center;
}

.nav-pa .swiper-pagination-bullet{
  width: 12px;
  height: 12px;
  border-radius: 50%;
background: var(--neutral-80);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all 0.2s;
opacity:1;
}

.nav-pa .swiper-pagination-bullet.swiper-pagination-bullet-active {
  background: white;
}
.nav-pa .swiper-nav {display:flex;gap:24px;}
.swiper-slide {
  pointer-events: none;
}

.swiper-slide-active {
  pointer-events: auto;
}
.swiper-button-next-custom,
.swiper-button-prev-custom {
  z-index: 10;
  position: relative;
}
/* ==========================================================================
   Stats Bar
   ========================================================================== */
.stats-bar {
  background: white;
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--neutral-30);
}

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

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--primary-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 24px;
}

.stat-item:nth-child(2) .stat-icon { background: #FFF9DB; }
.stat-item:nth-child(3) .stat-icon { background: #F0FFF4; }
.stat-item:nth-child(4) .stat-icon { background: #FFF5F5; }

.stat-number {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary-main);
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ==========================================================================
   Pain Points Section
   ========================================================================== */
.pain-section {
  background: var(--secondary-surface);
  padding: var(--space-5xl) 0;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.pain-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  border: 1px solid var(--neutral-30);
  transition: all 0.3s ease;
  position: relative;
}

.pain-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--primary-border);
}

.pain-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: var(--space-md);
  background: var(--primary-surface);
}

.pain-card h3 {
  font-size: 17px;
  margin-bottom: var(--space-sm);
  color: var(--text-heading);
}

/* ==========================================================================
   Solution Section
   ========================================================================== */
.solution-section {
  padding: var(--space-5xl) 0;
  background: white;
}

.solution-tabs {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.solution-tab {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--neutral-30);
  background: white;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.solution-tab.active,
.solution-tab:hover {
  background: var(--primary-main);
  color: white;
  border-color: var(--primary-main);
}

.solution-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.solution-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.solution-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-30);
  cursor: pointer;
  transition: all 0.2s;
}

.solution-feature:hover,
.solution-feature.active {
  background: var(--primary-surface);
  border-color: var(--primary-border);
}

.solution-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.solution-feature h4 {
  font-size: 15px;
  margin-bottom: 4px;
}

.solution-feature p {
  font-size: 13px;
  margin: 0;
}

/* ==========================================================================
   Results Section
   ========================================================================== */
.results-section {
  background: linear-gradient(180deg, #F0F7FF 0%, white 100%);
  padding: var(--space-5xl) 0;
}

.results-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
}

.metric-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-30);
  transition: all 0.3s;
}

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

.metric-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary-main);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.metric-number .plus { color: var(--success-main); }
.metric-number .star { color: var(--accent-text); }

.metric-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Why Us */
.why-us-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.why-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  border: 1px solid var(--neutral-30);
  transition: all 0.3s;
}

.why-card:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-md);
}

.why-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.why-card h4 {
  font-size: 16px;
  margin-bottom: var(--space-xs);
}

.why-card p {
  font-size: 13px;
  margin: 0;
}

/* ==========================================================================
   Courses / Pricing Section
   ========================================================================== */
.courses-section {
  padding: var(--space-5xl) 0;
  background: white;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.course-card {
  background: white;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 2px solid var(--neutral-30);
  transition: all 0.3s ease;
  position: relative;
}

.course-card:hover {
  border-color: var(--primary-main);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.course-card.featured {
  border-color: var(--primary-main);
  box-shadow: var(--shadow-lg);
}

.course-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--accent-main);
  color: var(--accent-text);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.course-header {
  padding: var(--space-xl);
  background: linear-gradient(135deg, var(--primary-main), #1557C0);
  color: white;
}

.course-card.starter .course-header {
  background: linear-gradient(135deg, #4A90D9, #2563EB);
}

.course-card.advanced .course-header {
  background: linear-gradient(135deg, #0F2A6B, var(--primary-main));
}

.course-level {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.8);
  margin-bottom: 6px;
}

.course-name {
  font-size: 22px;
  font-weight: 800;
  color: white;
  margin-bottom: var(--space-sm);
}

.course-target {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
}

.course-body {
  padding: var(--space-xl);
}

.course-features {
  margin-bottom: var(--space-lg);
}

.course-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-body);
}

.course-feature-item::before {
  content: '✓';
  color: var(--success-main);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.course-price {
  text-align: center;
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--neutral-30);
}

.price-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.price-amount {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-main);
}

/* ==========================================================================
   USP / Difference Section
   ========================================================================== */
.usp-section {
  background: linear-gradient(135deg, var(--primary-main), #0A3D94);
  padding: var(--space-5xl) 0;
  position: relative;
  overflow: hidden;
}

.usp-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(135,194,244,0.15) 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, rgba(249,233,127,0.1) 0%, transparent 40%);
  pointer-events: none;
}

.usp-inner {
  position: relative;
  z-index: 2;
}

.usp-section .section-label { background: rgba(249,233,127,0.2); color: var(--accent-main); }
.usp-section .section-title { color: white; }
.usp-section .section-subtitle { color: rgba(255,255,255,0.8); }

.usp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.usp-card {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  transition: all 0.3s;
  backdrop-filter: blur(8px);
}

.usp-card:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-4px);
}

.usp-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto var(--space-md);
}

.usp-card h3 {
  font-size: 16px;
  color: white;
  margin-bottom: var(--space-sm);
}

.usp-card p {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  margin: 0;
}

/* Process Steps */
.process-section {
  padding: var(--space-3xl) 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: var(--space-2xl);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: rgba(255,255,255,0.2);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-main);
  color: var(--accent-text);
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.process-step h4 {
  color: white;
  font-size: 14px;
}

.process-step p {
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  margin-top: 4px;
}

/* ==========================================================================
   Teachers Section
   ========================================================================== */
.teachers-section {
  padding: var(--space-5xl) 0;
  background: white;
}

.teachers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.teacher-card {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--neutral-30);
  transition: all 0.3s;
}

.teacher-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.teacher-image {
  position: relative;
  height: 260px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--secondary-surface), var(--primary-surface));
}

.teacher-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.teacher-score-badge {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: var(--accent-main);
  color: var(--accent-text);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-full);
}

.teacher-body {
  padding: var(--space-lg);
}

.teacher-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 4px;
}

.teacher-title {
  font-size: 13px;
  color: var(--primary-main);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.teacher-stats {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--neutral-30);
}

.teacher-stat {
  text-align: center;
}

.teacher-stat-num {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary-main);
}

.teacher-stat-label {
  font-size: 11px;
  color: var(--text-secondary);
}

.teacher-achievements {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.teacher-achievement {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-body);
}

.teacher-achievement::before {
  content: '🏆';
  font-size: 14px;
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials-section {
  padding: var(--space-5xl) 0;
  background: var(--secondary-surface);
}

.testimonials-rating-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3xl);
  margin: var(--space-xl) 0;
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
}

.rating-item {
  text-align: center;
}

.rating-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary-main);
}

.rating-stars {
  color: #FFB800;
  font-size: 18px;
  margin: 4px 0;
}

.rating-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.testimonial-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  border: 1px solid var(--neutral-30);
  transition: all 0.3s;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-border);
}

.testimonial-stars {
  color: #FFB800;
  font-size: 16px;
  margin-bottom: var(--space-md);
}

.testimonial-text {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.author-name {
  font-weight: 700;
  font-size: 14px;
  color: var(--text-heading);
}

.author-result {
  font-size: 12px;
  color: var(--success-main);
  font-weight: 600;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
  padding: var(--space-5xl) 0;
  background: linear-gradient(135deg, #F0F7FF 0%, #EAF7FF 100%);
  position: relative;
  overflow: hidden;
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-3xl);
  align-items: center;
}

.cta-form-box {
  background: white;
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--primary-border);
}

.cta-form-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-body);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--neutral-40);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--neutral-100);
  transition: all 0.2s;
  outline: none;
  background: white;
}

.form-control:focus {
  border-color: var(--primary-main);
  box-shadow: 0 0 0 3px var(--primary-focus);
}

.form-control::placeholder {
  color: var(--neutral-70);
}
.ielts_form .hceducrm-style-flat label {
font-weight: 500 !important;
font-size: 14px !important;
line-height: 14px !important;
letter-spacing: 0%;
margin-bottom:8px !important;
color:#1E3A8A !important;
}
.ielts_form .hceducrm-style-flat h3 {display:none;}
.ielts_form .hceducrm-style-flat button {border-radius: 32px !important;max-width:273px;border: 1px solid #BFD4FF !important;position:relative;font-weight: 700;font-size: 16px !important;line-height: 20px;letter-spacing: 0%;padding: 14px 32px !important;text-align:left;}
.ielts_form .hceducrm-style-flat button:before {
  content: "";
  position: absolute;
  right: 26px;
  width: 23px;
  height: 23px;

  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 23 23' xmlns='http://www.w3.org/2000/svg' fill='none'><path d='M5.49387 7.23394V6.14013C5.51873 5.66781 5.89161 5.29492 6.33908 5.29492L16.0093 5.27006C16.4816 5.29492 16.8545 5.66781 16.8545 6.11527V15.8104C16.8545 16.2578 16.4816 16.6307 16.0093 16.6556H14.9155C14.4432 16.6307 14.0703 16.2578 14.0454 15.7855L14.1946 9.91874L7.06 17.0533C6.71197 17.4014 6.21478 17.4014 5.86675 17.0533L5.07126 16.2578C4.74809 15.9347 4.72323 15.4126 5.07126 15.0646L12.2059 7.93L6.36394 8.10401C5.89161 8.07915 5.49387 7.73112 5.49387 7.23394Z' fill='%2367C2F4'/></svg>");
  
  background-repeat: no-repeat;
  background-size: contain;
}
.ielts_form .hceducrm-style-flat input {margin-bottom:10px !important;padding:14px !important;}
#gspb_container-id-gspb-rXa6Yca.gspb_container {box-shadow: 0px 20px 25px -5px #0000001A;}
#gspb_row-id-gspb-jVkPMv- {max-width:100%;}
/* Chrome, Edge, Safari */
::-webkit-input-placeholder {
  color: #1E3A8A;
}

/* Firefox */
::-moz-placeholder {
  color: #1E3A8A;
}

/* IE */
:-ms-input-placeholder {
  color: #1E3A8A;
}

/* Chuẩn */
::placeholder {
  color: #1E3A8A;
}
/* ==========================================================================
   Footer
   ========================================================================== */
/* #colophon {
  background: var(--text-heading);
  color: white;
  padding: var(--space-5xl) 0 0;
} */
#colophon .container {
	background: #093FA5;
	border-radius: 30px;
    padding: 64px 152px 0;	
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .site-logo-text {
  color: white;
}

.footer-desc {
color:#99A1AF;
font-weight: 400;
    font-size: 16px;
    line-height: 20px;
  margin: var(--space-md) 0 var(--space-lg);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
  transition: all 0.2s;
  text-decoration: none;
}

.social-link:hover {
  background: var(--primary-main);
  color: white;
  transform: translateY(-2px);
}

.footer-col h4 {
color: white;
font-weight: 600;
font-size: 20px;
line-height: 120%;
margin-bottom:16px;
  border-bottom: 2px solid var(--primary-main);
  display: inline-block;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #99A1AF;
  font-size: 14px;
  transition: all 0.2s;
}

.footer-links a:hover {
  color: var(--accent-main);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-lg) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copyright {
  color: rgba(255,255,255,0.6);
  font-size: 13px;
margin-bottom: 0;
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

.footer-legal a {
  color: rgba(255,255,255,0.6);
  font-size: 13px;
}

.footer-legal a:hover {
  color: white;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1400px) {
.container,#main-content,#colophon {padding: 0 16px;}
}
@media (max-width: 1024px) {
body #gspb_row-id-gspb-u9BzwhR {padding:50px 30px;}
body #gspb_container-id-gspb-J9bka90.gspb_container {gap:32px;grid-template: auto / 1fr 1fr;}
body #gspb_container-id-gspb-lhG4IDW.gspb_container {width:100%;}
body #gspb_container-id-gspb-1GFecan.gspb_container,body #gspb_container-id-gspb-OG_mtNP.gspb_container {padding:30px;}
 .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .usp-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .results-metrics { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 850px) {
body #gspb_container-id-gspb-76dpcog.gspb_container {background-image:none;}
body #gspb_container-id-gspb-B6JDVhp.gspb_container,body #gspb_container-id-gspb-qSWOHqD.gspb_container {grid-template: auto / 1fr 1fr;gap:24px;}
body #gspb_row-id-gspb-jVkPMv- {box-sizing: border-box;padding: 30px 0px;max-width: 100%;}
body #gspb_container-id-gspb-DFiCw3V.gspb_container,body #gspb_container-id-gspb-DG4yGOt.gspb_container {max-width:100%;}
body #gspb_container-id-gspb-kNSsSC0.gspb_container {grid-template: auto / 1fr;gap:50px;}
body #gspb_container-id-gspb-rXa6Yca.gspb_container {align-self: center;}
#colophon .container {padding:50px 50px 0;}
}
@media (max-width: 768px) {

  :root { --space-5xl: 60px; --space-4xl: 48px; }

  .hero-inner,
  .solution-inner,
  .cta-inner { grid-template-columns: 1fr; }

  .hero-image-area { order: -1; }
  .hero-image-card { max-height: 240px; overflow: hidden; }
  .hero-stats { gap: var(--space-lg); justify-content: center; }

  .pain-grid,
  .courses-grid,
  .teachers-grid,
  .testimonials-grid { grid-template-columns: 1fr; }

  .why-us-grid { grid-template-columns: 1fr; }

 #primary-menu {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: white;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    gap: var(--space-sm);
  }

  #primary-menu.is-open { display: flex; }
  #primary-menu > li > a { font-size: 18px; padding: 12px 24px; }
  .menu-toggle { display: flex; flex-direction: column; z-index: 10000; }
  .header-cta { display: none; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .usp-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .results-metrics { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .testimonials-rating-bar { flex-direction: column; gap: var(--space-lg); }
  .footer-bottom { flex-direction: column; text-align: center; }
body #gspb_container-id-gsbp-9c05af6.gspb_container,body #gspb_container-id-gsbp-267ae5d.gspb_container,body #gspb_container-id-gspb-8aPFHw3.gspb_container {padding:30px;}
body #gspb_container-id-gspb-3xDZhJU.gspb_container,body #gspb_container-id-gspb-rU0JzMx.gspb_container,body #gspb_container-id-gspb-oyJxjCJ.gspb_container,body #gspb_container-id-gspb-lfI2S1o.gspb_container,body #gspb_container-id-gspb-uq9wUY1.gspb_container,body #gspb_container-id-gspb-yeDF3Es.gspb_container,body #gspb_container-id-gspb-EqtfF5F.gspb_container,body #gspb_container-id-gspb-7I72ps2.gspb_container {gap:32px;}
body #gspb_container-id-gspb-aCtrsCo.gspb_container,body #gspb_container-id-gspb-tDmpm8I.gspb_container {max-width:100%;}
body #gspb_container-id-gspb-aCtrsCo.gspb_container,body #gspb_container-id-gspb-tDmpm8I.gspb_container,body #gspb_container-id-gspb-T6cx3UY.gspb_container {gap:50px;}
h2 {font-size:35px !important;}
body #gspb_row-id-gspb-K7RwBcM {padding:0;}
body #gspb_row-id-gspb-jaUNr2e {padding:50px 0;}
body #gspb_container-id-gspb-J9bka90.gspb_container ,body #gspb_container-id-gspb-B6JDVhp.gspb_container,body #gspb_container-id-gspb-qSWOHqD.gspb_container{grid-template: auto / 1fr;}
body #gspb_row-id-gspb-1WgBMpS {width:100%; padding:30px 0;}
body #gspb_row-id-gspb-zZTEMPW {padding-top:50px; width:100%;}
body #gspb_svgBox-id-gspb-DU-wPnv {width:100% !important;}
body #gspb_svgBox-id-gspb-lV3q5TL,body #gspb_svgBox-id-gspb-KOMj2ix,body #gspb_svgBox-id-gspb-jslpUta {width:110px !important;}
#colophon .container {padding:50px 30px 0;}
} 

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-stats { flex-wrap: wrap; }
  .usp-grid { grid-template-columns: 1fr; }
  .results-metrics { grid-template-columns: 1fr 1fr; }
  .btn-lg { width: 100%; text-align: center; justify-content: center; }
}

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

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

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}

.fade-in-up:nth-child(2) { animation-delay: 0.1s; }
.fade-in-up:nth-child(3) { animation-delay: 0.2s; }
.fade-in-up:nth-child(4) { animation-delay: 0.3s; }

/* ==========================================================================
   Gutenberg Block Styles
   ========================================================================== */
.wp-block-cover,
.wp-block-group.has-background {
  border-radius: var(--radius-xl);
}

.wp-block-button__link {
  border-radius: var(--radius-full) !important;
  font-weight: 700;
}

.is-style-primary .wp-block-button__link {
  background: var(--primary-main);
  color: white;
}

.is-style-accent .wp-block-button__link {
  background: var(--accent-main);
  color: var(--accent-text);
}

/* ==========================================================================
   Utility / Helper
   ========================================================================== */
.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;
}

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.mb-0 { margin-bottom: 0; }
.mt-auto { margin-top: auto; }
.w-100 { width: 100%; }