html {
  text-wrap-style: balance;
}

/* --- UTILITIES & ANIMATION --- */
[data-reveal] {
  opacity: 1;
  transform: none;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.icon-svg {
  width: 18px;
  height: 18px;
}

/* --- SECTION HERO --- */
.hero-section {
  position: relative;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-family);
  overflow: hidden;
}

.hero-bg-shape {
  position: absolute;
  top: -160px;
  right: -120px;
  width: 560px;
  height: 560px;
  border-radius: 0 320px 0 0;
  background: linear-gradient(135deg, rgba(57, 166, 83, 0.22), rgba(247, 181, 0, 0.04));
  pointer-events: none;
}

.hero-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 88px 32px 60px;
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

/* Badge & Typography */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(57, 166, 83, 0.16);
  border: 1px solid rgba(57, 166, 83, 0.35);
  color: var(--color-secondary);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-badge svg {
  width: 14px;
  height: 14px;
}

.hero-title {
  font-weight: 800;
  font-size: 48px;
  line-height: 1.1;
  margin: 22px 0 0;
  color: #ffffff;
}

.text-gradient {
  color: var(--color-secondary);
  font-size: 48px;
}

.hero-desc {
  font-size: 17px;
  line-height: var(--line-height-base);
  color: rgba(255, 255, 255, 0.8);
  max-width: 520px;
  margin: 22px 0 0;
}

.hero-desc strong {
  color: #fff;
  font-weight: 600;
}

/* Call to Action Buttons */
.hero-cta-group {
  display: flex;
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  box-sizing: border-box;
  transition: var(--transition-fast);
}

.btn-primary {
  background: var(--color-secondary);
  color: #ffffff;
  font-weight: 700;
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  font-weight: 600;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hero-subtext {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
}

.hero-subtext svg {
  color: var(--color-secondary);
}

/* Hero Media / Image */
.hero-media {
  position: relative;
}

.hero-media-border {
  position: absolute;
  inset: -14px -14px auto auto;
  width: 132px;
  height: 132px;
  border-radius: 0 16px 0 0;
  border-top: 2px solid rgba(57, 166, 83, 0.5);
  border-right: 2px solid rgba(57, 166, 83, 0.5);
  pointer-events: none;
}

.hero-img {
  width: 100%;
  aspect-ratio: 4 / 3.2;
  object-fit: cover;
  border-radius: 16px;
  display: block;
  box-shadow: var(--shadow-lg);
}

/* Floating Award Card */
.award-card {
  position: absolute;
  top: -20px;
  right: -20px;
  background: #ffffff;
  border-radius: 12px;
  padding: 12px 18px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
}

.award-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(57, 166, 83, 0.12);
  color: var(--color-secondary);
}

.award-title {
  display: block;
  font-weight: 700;
  font-size: 14px;
  color: var(--color-primary);
  line-height: 1.2;
}

.award-subtitle {
  display: block;
  font-size: 12px;
  color: #666666;
}

/* --- STATS SECTION --- */
.stats-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

.stats-grid {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  padding: 28px 8px 32px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-weight: 800;
  font-size: 40px;
  line-height: 1;
  color: var(--color-secondary);
}

.stat-label {
  margin-top: 8px;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.65);
}



/* ==========================================
   SECTION: VÌ SAO NÊN HỌC PUBLIC SPEAKING
   ========================================== */

.why-speaking-section {
  background-color: #f4f5f8; /* Màu nền xám nhạt chuẩn theo hình */
  padding: 90px 0;
  font-family: var(--font-family);
}

.why-speaking-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Header khối */
.why-speaking-header {
  max-width: 820px;
  margin: auto;
  text-align: center;
}

.why-speaking-badge {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary); /* Màu xanh lá tươi */
  margin-bottom: 12px;
}

.why-speaking-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary); /* Màu navy đậm */
  margin: 0 0 16px 0;
  letter-spacing: -0.01em;
}

.why-speaking-desc {
  font-size: 16px;
  line-height: 1.6;
  color: #556070; /* Màu xám đen tạo độ dịu mắt */
  margin: 0;
  max-width: 720px;
  margin: auto;
}

/* Grid 3 Card lý do */
.why-speaking-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.why-speaking-card {
  background: #ffffff;
  border: 1px solid #eef0f4;
  border-radius: 16px; /* Bo góc cong hơn chút */
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03); /* Bóng đổ cực mịn */
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* Icon Card */
.why-speaking-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #eef3fb; /* Nền xanh nhạt mịn của icon */
  color: var(--color-primary);
  margin-bottom: 24px;
}

.why-speaking-icon svg {
  width: 20px;
  height: 20px;
}

/* Nội dung Card */
.why-speaking-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 12px 0;
  line-height: 1.35;
}

.why-speaking-card-desc {
  font-size: 14px;
  line-height: 1.6;
  color: #6c788a;
  margin: 0;
}



/* ==========================================
   SECTION: KẾT QUẢ ĐẠT ĐƯỢC (OUTCOMES)
   ========================================== */

.outcomes-section {
  padding: 96px 0;
  background-color: #ffffff;
  font-family: var(--font-family);
}

.outcomes-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Header khối */
.outcomes-header {
  max-width: 820px;
  margin: auto;
  text-align: center;
}

.outcomes-badge {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 12px;
}

.outcomes-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary);
  margin: 0 0 16px 0;
  letter-spacing: -0.01em;
}

.outcomes-desc {
  font-size: 16px;
  line-height: 1.6;
  color: #333333;
  font-weight: 700;
  margin: 0;
}

/* Grid layout 2 cột */
.outcomes-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  margin-top: 48px;
  align-items: center;
}

/* Cột trái: Media / Image */
.outcomes-media {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
}

.outcomes-img {
  width: 100%;
  aspect-ratio: 4 / 4.4;
  object-fit: cover;
  border-radius: 16px;
  display: block;
}

.outcomes-media-overlay {
  position: absolute;
  inset: auto 0 0 0;
  height: 45%;
  background: linear-gradient(to top, rgba(0, 32, 88, 0.85), transparent);
  pointer-events: none;
}

.outcomes-media-caption {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 24px;
  color: #ffffff;
  z-index: 1;
}

.outcomes-media-title {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.25;
}

.outcomes-media-sub {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 4px;
}

/* Cột phải: Danh sách kết quả */
.outcomes-list {
  display: flex;
  flex-direction: column;
}

.outcomes-item {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  padding: 24px 0;
  border-bottom: 1px solid #f0f2f5;
}

.outcomes-item:first-child {
  padding-top: 0;
}

.outcomes-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.outcomes-number {
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  color: var(--color-secondary);
  flex-shrink: 0;
  width: 44px;
}

.outcomes-item-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0 0 6px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.outcomes-item-tag {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-secondary);
  letter-spacing: 0.02em;
}

.outcomes-item-desc {
  font-size: 15px;
  line-height: 1.6;
  color: #6c788a;
  margin: 0;
}





/* ==========================================
   SECTION: LỘ TRÌNH & CHƯƠNG TRÌNH HỌC
   ========================================== */

.roadmap-section {
  background-color: var(--navy-900);
  color: #ffffff;
  padding: 96px 0;
  font-family: var(--font-family);
}

.roadmap-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Header */
.roadmap-header {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.roadmap-badge {
  display: block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-400);
  margin-bottom: 12px;
}

.roadmap-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 40px;
  line-height: 1.15;
  margin: 0 0 16px 0;
}

.roadmap-desc {
  font-size: 16px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

/* 3 Cấp độ (3 Cards) */
.roadmap-levels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 44px;
}

.level-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-m);
  padding: 24px 26px;
}

.level-card-badge {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-400);
  display: block;
}

.level-card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  margin: 10px 0 6px 0;
  color: #ffffff;
}

.level-card-desc {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* Khối Kỹ năng (Pills Grid) */
.roadmap-skills-box {
  margin-top: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-m);
  padding: 34px 36px 40px;
}

.roadmap-skills-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  margin: 0 0 20px 0;
  color: #ffffff;
}

.roadmap-skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-pill {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-full);
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
}

/* Khối Kết quả đạt được (Green Highlight Box) */
.roadmap-outcomes-box {
  margin-top: 20px;
  border: 1px solid rgba(76, 184, 72, 0.35);
  background: rgba(76, 184, 72, 0.08);
  border-radius: var(--radius-m);
  padding: 36px 36px 40px;
}

.roadmap-outcomes-header {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.roadmap-outcomes-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  margin: 0;
  color: #ffffff;
}

.roadmap-outcomes-sub {
  font-size: 14px;
  color: var(--green-300);
}

.roadmap-outcomes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 48px;
}

.outcome-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.outcome-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--brand-accent);
  margin-top: 3px;
}

.outcome-text {
  font-size: 15.5px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.88);
}




/* ==========================================
   SECTION: LỘ TRÌNH CHƯƠNG TRÌNH HỌC (DARK)
   ========================================== */

.roadmap-section {
  background-color: #0b132b; /* Nền xanh navy đậm */
  color: #ffffff;
  padding: 96px 0;
  font-family: var(--font-family, system-ui, -apple-system, sans-serif);
}

.roadmap-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Header */
.roadmap-header {
  max-width: 720px;
}

.roadmap-badge {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4cb848; /* Xanh lá tươi */
  margin-bottom: 12px;
}

.roadmap-title {
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 42px;
  line-height: 1.15;
  color: #ffffff;
  margin: 0 0 16px 0;
}

.roadmap-desc {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.65);
  margin: 0;
}

/* 3 Cấp độ (Cards) */
.roadmap-levels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.level-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 24px 28px;
}

.level-card-badge {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4cb848;
  display: block;
}

.level-card-title {
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 22px;
  margin: 10px 0 8px 0;
  color: #ffffff;
}

.level-card-desc {
  font-size: 13.5px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.55);
  margin: 0;
}

/* Khối Kỹ năng (Bọc trong 1 Card lớn) */
.roadmap-skills-box {
  margin-top: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 32px 36px 36px;
}

.roadmap-skills-title {
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 22px;
  margin: 0 0 20px 0;
  color: #ffffff;
}

.roadmap-skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-pill {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 100px;
  padding: 8px 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

/* Khối Kết quả đạt được (Card viền xanh lá) */
.roadmap-outcomes-box {
  margin-top: 20px;
  background: rgba(76, 184, 72, 0.04);
  border: 1px solid rgba(76, 184, 72, 0.3);
  border-radius: 12px;
  padding: 36px 40px;
}

.roadmap-outcomes-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.roadmap-outcomes-title {
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 24px;
  margin: 0;
  color: #ffffff;
}

.roadmap-outcomes-sub {
  font-size: 13.5px;
  color: #4cb848;
  font-weight: 600;
}

.roadmap-outcomes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 48px;
}

.outcome-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.outcome-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: #4cb848;
  margin-top: 3px;
}

.outcome-text {
  font-size: 15px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.8);
}









/* ==========================================
   SECTION: PHƯƠNG PHÁP GIẢNG DẠY
   ========================================== */

.methodology-section {
  background-color: #ffffff;
  color: #1a1a1a;
  padding: 96px 0;
  font-family: var(--font-family, system-ui, -apple-system, sans-serif);
}

.methodology-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Header */
.methodology-header {
  max-width: 760px;
}

.methodology-badge {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4cb848;
  margin-bottom: 12px;
}

.methodology-title {
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 40px;
  line-height: 1.15;
  color: #0b132b;
  margin: 0 0 16px 0;
}

.methodology-desc {
  font-size: 16px;
  line-height: 1.6;
  color: #555555;
  margin: 0;
}

/* 3 Ô Lộ trình (Học - Luyện - Trình bày) */
.methodology-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.method-card {
  border-radius: 12px;
  padding: 32px 28px;
  color: #ffffff;
}

.method-card.navy-dark {
  background-color: #0d1533;
}

.method-card.navy-medium {
  background-color: #172b6b;
}

.method-card.green-accent {
  background-color: #72d050;
  color: #0d1533;
}

.method-card-step {
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4cb848;
}

.method-card.green-accent .method-card-step {
  color: #0d1533;
}

.method-card-title {
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 22px;
  margin: 12px 0 8px 0;
}

.method-card-desc {
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
  opacity: 0.8;
}

/* Sub-description */
.methodology-subdesc {
  font-size: 15px;
  line-height: 1.6;
  color: #666666;
  margin: 56px 0 24px 0;
}

/* Danh sách 4 bước A-B-C-D */
.methodology-steps-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-item {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px 24px;
  display: flex;
  gap: 20px;
  align-items: center;
  background-color: #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.step-icon-box {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background-color: #0d1533;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 18px;
}

.step-content {
  flex: 1;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.step-title {
  font-family: var(--font-display, inherit);
  font-weight: 700;
  font-size: 18px;
  color: #0b132b;
}

.step-tag {
  font-size: 13px;
  color: #4cb848;
  font-weight: 700;
}

.step-desc {
  margin: 6px 0 0 0;
  font-size: 14.5px;
  line-height: 1.55;
  color: #555555;
}



/* ==========================================
   SECTION: THÀNH TÍCH HỌC VIÊN
   ========================================== */

.achievement-section {
  background-color: #f8f9fa; /* Nền xám nhạt */
  padding: 96px 0;
  font-family: var(--font-family, system-ui, -apple-system, sans-serif);
}

.achievement-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Header */
.achievement-header {
  max-width: 780px;
  margin:auto;
  text-align: center;
}

.achievement-badge {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4cb848;
  margin-bottom: 12px;
}

.achievement-title {
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 40px;
  line-height: 1.15;
  color: #0b132b;
  margin: 0 0 16px 0;
}

.achievement-desc {
  font-size: 16px;
  line-height: 1.6;
  color: #4a5568;
  margin: 0;
}

.achievement-desc strong {
  color: #0b132b;
  font-weight: 600;
}

/* Layout Grid 2 Cột */
.achievement-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 24px;
  margin-top: 44px;
  align-items: stretch;
}

/* Cột Trái: Ảnh Bảng kết quả */
.achievement-image-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
}

.achievement-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  object-fit: cover;
}

.achievement-caption {
  padding: 16px 8px 4px;
  font-size: 13.5px;
  color: #718096;
}

/* Cột Phải: Danh sách 4 con số thành tích */
.achievement-stats-list {
  display: grid;
  grid-template-rows: repeat(4, 1fr);
  gap: 14px;
}

.stat-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.015);
}

.stat-number {
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 38px;
  line-height: 1;
  color: #4cb848;
  min-width: 44px;
  text-align: center;
  flex-shrink: 0;
}

.stat-text {
  font-size: 14.5px;
  line-height: 1.45;
  color: #1a202c;
  font-weight: 700;
}

/* ==========================================
   SECTION: HÌNH ẢNH LỚP HỌC (GALLERY)
   ========================================== */

.gallery-section {
  background-color: #ffffff;
  padding: 96px 0;
  font-family: var(--font-family, system-ui, -apple-system, sans-serif);
}

.gallery-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Header Section */
.gallery-header {

  margin: 0 auto 40px;
  text-align: center;
}

.gallery-badge {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #2e7d32; /* Màu xanh var(--green-700) */
  margin-bottom: 12px;
}

.gallery-title {
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 40px;
  line-height: 1.15;
  color: #0b132b;
  margin: 0;
}

/* Lưới Bento Grid 5 ảnh (3 Cột x 2 Hàng) */
.gallery-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: repeat(2, 220px);
  gap: 16px;
}

.gallery-item {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background-color: #f1f5f9;
}

/* Ảnh lớn bên trái chiếm 2 hàng */
.gallery-item.large {
  grid-row: span 2;
  grid-column: span 1;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.02);
}

/* Responsive cho Mobile */
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .gallery-item.large {
    grid-row: auto;
    height: 300px;
  }

  .gallery-item {
    height: 220px;
  }
}



/* ==========================================
   SECTION: PHỤ HUYNH NÓI GÌ (TESTIMONIALS)
   ========================================== */

.testimonial-section {
  background-color: #0b132b; /* Navy 900 */
  color: #ffffff;
  padding: 96px 0;
  font-family: var(--font-family, system-ui, -apple-system, sans-serif);
}

.testimonial-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Header */
.testimonial-header {
  max-width: 780px;
  margin: 0 auto 40px;
  text-align: center;
}

.testimonial-badge {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4ade80; /* Green 400 */
  margin-bottom: 12px;
}

.testimonial-title {
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 40px;
  line-height: 1.15;
  color: #ffffff;
  margin: 0;
}

/* Grid 3 cột */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

/* Testimonial Card */
.testimonial-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}

.quote-icon {
  width: 26px;
  height: 26px;
  color: #4ade80;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.testimonial-content {
  margin: 0 0 28px 0;
  flex: 1 1 auto;
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
}

/* Card Footer */
.testimonial-footer {
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.author-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display, inherit);
  font-weight: 700;
  font-size: 15px;
  color: #86efac; /* Green 300 */
  flex-shrink: 0;
}

.author-name {
  font-weight: 600;
  font-size: 15px;
  color: #ffffff;
}

.author-subtitle {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.4;
}

/* Responsive Mobile */
@media (max-width: 992px) {
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
}








/* ==========================================
   SECTION: CÂU HỎI THƯỜNG GẶP (FAQ Accordion)
   ========================================== */

.faq-section {
  background-color: #ffffff;
  padding: 96px 0;
  font-family: var(--font-family, system-ui, -apple-system, sans-serif);
}

.faq-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Header */
.faq-header {
  text-align: center;
  margin-bottom: 40px;
}

.faq-badge {
  display: block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #15803d; /* Green 700 */
  margin-bottom: 12px;
}

.faq-title {
  font-family: var(--font-display, inherit);
  font-weight: 700;
  font-size: 40px;
  line-height: 1.14;
  color: #0b132b;
  margin: 0;
}

/* List Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Thẻ Details HTML5 */
.faq-item {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background-color: #ffffff;
  overflow: hidden;
  transition: all 0.2s ease;
}

/* Summary (Nút bấm tiêu đề) */
.faq-summary {
  list-style: none; /* Ẩn mũi tên mặc định của trình duyệt */
  cursor: pointer;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-family: var(--font-display, inherit);
  font-weight: 700;
  font-size: 18px;
  color: #0b132b;
  user-select: none;
}

.faq-summary::-webkit-details-marker {
  display: none; /* Ẩn mũi tên mặc định trên Chrome/Safari */
}

/* Icon cộng / trừ bằng CSS pure */
.faq-icon {
  flex-shrink: 0;
  position: relative;
  width: 20px;
  height: 20px;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background-color: #16a34a; /* Green 600 */
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Thanh ngang */
.faq-icon::before {
  top: 9px;
  left: 0;
  width: 20px;
  height: 2px;
}

/* Thanh dọc */
.faq-icon::after {
  top: 0;
  left: 9px;
  width: 2px;
  height: 20px;
}

/* Khi xoay/mở Tab (Details có thuộc tính open) */
.faq-item[open] .faq-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

/* Nội dung câu trả lời nằm DƯỚI tiêu đề */
.faq-content {
  padding: 0 26px 24px;
  font-size: 16px;
  line-height: 1.65;
  color: #475569;
}

/* ==========================================
   SECTION: ĐĂNG KÝ HỌC THỬ (CTA SECTION)
   ========================================== */

.register-section {
  background-color: #f8fafc; /* Color fog / light background */
  padding: 96px 0;
  font-family: var(--font-family, system-ui, -apple-system, sans-serif);
}

.register-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

/* Header */
.register-badge {
  display: block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #15803d; /* Green 700 */
  margin-bottom: 12px;
}

.register-title {
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 40px;
  line-height: 1.15;
  color: #0b132b;
  margin: 0 0 18px 0;
}

.register-desc {
  font-size: 17px;
  line-height: 1.65;
  color: #475569;
  margin: 0 0 32px 0;
}

/* Button Redirect Link */
.register-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 36px;
  font-family: var(--font-body, inherit);
  font-weight: 700;
  font-size: 16px;
  color: #ffffff;
  background-color: #16a34a; /* Green 600 */
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(22, 163, 74, 0.25);
  transition: all 0.25s ease;
  margin-bottom: 48px;
}

.register-btn:hover {
  background-color: #15803d;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.35);
}

/* Contact Info List (Nằm ngang ở màn hình lớn, dọc ở mobile) */
.contact-info-list {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 36px;
  padding-top: 36px;
  border-top: 1px solid #e2e8f0;
  text-align: left;
}

.contact-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.contact-icon {
  width: 20px;
  height: 20px;
  color: #16a34a;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-title {
  font-weight: 600;
  font-size: 15px;
  color: #0b132b;
}

.contact-subtitle {
  font-size: 13.5px;
  color: #64748b;
  margin-top: 2px;
}

/* Responsive Mobile */
@media (max-width: 768px) {
  .register-section {
    padding: 64px 0;
  }

  .register-title {
    font-size: 30px;
  }

  .register-btn {
    width: 100%;
    padding: 14px 20px;
  }

  .contact-info-list {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

  .contact-item {
    width: 100%;
    max-width: 320px;
  }
}

/* ==========================================================
   RESPONSIVE ENHANCEMENTS — BỔ SUNG (bổ sung toàn bộ breakpoint
   còn thiếu cho các section: hero, stats, why-speaking, outcomes,
   roadmap, methodology, achievement)
   ========================================================== */

/* ---------- Tablet: ≤ 992px ---------- */
@media (max-width: 992px) {
  /* Hero */
  .hero-container {
    grid-template-columns: 1fr;
    padding: 64px 24px 48px;
    gap: 40px;
  }

  .hero-media {
    order: -1;
    max-width: 480px;
  }

  .hero-title,
  .text-gradient {
    font-size: 38px;
  }

  /* Stats (hero) — 4 cột -> 2 cột */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item:nth-child(2) {
    border-right: none;
  }

  .stat-item:nth-child(3),
  .stat-item:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  /* Vì sao nên học — 3 cột -> 2 cột */
  .why-speaking-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Kết quả đạt được — 2 cột -> 1 cột */
  .outcomes-grid {
    grid-template-columns: 1fr;
  }

  .outcomes-media {
    max-width: 480px;
    margin: 0 auto;
  }

  /* Lộ trình học — 3 cột -> 2 cột */
  .roadmap-levels {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Phương pháp giảng dạy — 3 cột -> 2 cột */
  .methodology-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Thành tích học viên — 2 cột -> 1 cột */
  .achievement-grid {
    grid-template-columns: 1fr;
  }

  .achievement-image-card {
    max-width: 480px;
    margin: 0 auto;
  }

  .achievement-stats-list {
    grid-template-rows: none;
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- Mobile: ≤ 768px ---------- */
@media (max-width: 768px) {
  /* Giảm padding chung cho các section */
  .why-speaking-section,
  .outcomes-section,
  .roadmap-section,
  .methodology-section,
  .achievement-section,
  .gallery-section,
  .testimonial-section,
  .faq-section {
    padding: 56px 0;
  }

  /* Tiêu đề các section */
  .why-speaking-title,
  .outcomes-title,
  .roadmap-title,
  .methodology-title,
  .achievement-title,
  .gallery-title,
  .testimonial-title,
  .faq-title {
    font-size: 28px;
  }

  /* Hero */
  .hero-container {
    padding: 48px 20px 40px;
  }

  .hero-title,
  .text-gradient {
    font-size: 30px;
  }

  .hero-desc {
    font-size: 15px;
    max-width: 100%;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta-group .btn {
    justify-content: center;
  }

  .award-card {
    position: static;
    margin: 16px auto 0;
    width: fit-content;
  }

  .hero-media-border {
    display: none;
  }

  .stat-number {
    font-size: 28px;
  }

  /* Vì sao nên học — 2 cột -> 1 cột */
  .why-speaking-grid {
    grid-template-columns: 1fr;
  }

  /* Lộ trình học — 2 cột -> 1 cột */
  .roadmap-levels {
    grid-template-columns: 1fr;
  }

  .roadmap-skills-box,
  .roadmap-outcomes-box {
    padding: 24px 20px;
  }

  .roadmap-outcomes-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .roadmap-outcomes-header {
    margin-bottom: 20px;
  }

  /* Phương pháp giảng dạy — 2 cột -> 1 cột */
  .methodology-cards {
    grid-template-columns: 1fr;
  }

  .step-item {
    flex-wrap: wrap;
  }

  /* Thành tích học viên */
  .achievement-stats-list {
    grid-template-columns: 1fr;
  }
}

/* ---------- Small mobile: ≤ 480px ---------- */
@media (max-width: 480px) {
  .hero-title,
  .text-gradient {
    font-size: 26px;
  }

  .hero-badge {
    font-size: 12px;
    padding: 5px 10px;
  }

  .btn {
    padding: 12px 20px;
    font-size: 15px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-number {
    font-size: 24px;
  }

  .why-speaking-card,
  .stat-card,
  .step-item,
  .level-card {
    padding: 20px;
  }

  .step-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .step-icon-box {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }

  .outcomes-item {
    gap: 14px;
    padding: 18px 0;
  }

  .outcomes-number {
    font-size: 24px;
    width: 34px;
  }

  .achievement-grid,
  .why-speaking-grid,
  .roadmap-levels,
  .methodology-cards {
    gap: 16px;
  }
}