/* ============================================================
   TRANG CHỦ - UI ĐẸP & HIỆU ỨNG ẤN TƯỢNG
   ============================================================ */

/* ============================================================
   SLIDER - HIỆU ỨNG ĐỘC ĐÁO
   ============================================================ */
.slider-section {
  width: 100%;
  background: #0f0f1a;
  position: relative;
}

.slider-container {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.slider-wrapper {
  display: flex;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide {
  min-width: 100%;
  position: relative;
}

.slide img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  filter: brightness(0.95) saturate(1.1);
  transition: filter 0.5s ease;
}

.slide:hover img {
  /* filter: brightness(0.85) saturate(1.2); */
}

/* ===== SLIDER BUTTONS ===== */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(15px);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.15);
  width: 55px;
  height: 55px;
  border-radius: 50%;
  font-size: 22px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider-btn:hover {
  background: linear-gradient(135deg, #e67e22, #d35400);
  border-color: #e67e22;
  transform: translateY(-50%) scale(1.15);
  box-shadow: 0 8px 30px rgba(230, 126, 34, 0.4);
}

.slider-btn:active {
  transform: translateY(-50%) scale(0.9);
}

.prev-btn {
  left: 30px;
}

.next-btn {
  right: 30px;
}

/* ===== SLIDER DOTS ===== */
.slider-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 14px;
  z-index: 10;
}

.dot {
  width: 12px;
  height: 12px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
}

.dot:hover {
  background: rgba(255, 255, 255, 0.6);
  transform: scale(1.2);
}

.dot.active {
  background: #e67e22;
  width: 35px;
  border-radius: 10px;
  border-color: #ffd700;
  box-shadow: 0 0 25px rgba(230, 126, 34, 0.4);
}

/* ============================================================
   COMMITMENT SECTION - HIỆU ỨNG ĐẸP
   ============================================================ */
.commitment-section {
  padding: 80px 20px 90px;
  background: linear-gradient(135deg, #faf6f2 0%, #ffffff 50%, #fef9f5 100%);
  position: relative;
  overflow: hidden;
}

/* Background decoration */
.commitment-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(230, 126, 34, 0.03),
    transparent 70%
  );
  border-radius: 50%;
  pointer-events: none;
}

.commitment-section::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(243, 156, 18, 0.03),
    transparent 70%
  );
  border-radius: 50%;
  pointer-events: none;
}

.commitment-container {
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* ===== HEADER ===== */
.commitment-header {
  text-align: center;
  margin-bottom: 55px;
}

.commitment-title {
  font-size: 44px;
  font-weight: 800;
  color: #2c3e50;
  font-family: "Playfair Display", serif;
  position: relative;
  display: inline-block;
}

.commitment-title::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, #e67e22, #f39c12);
  border-radius: 2px;
  animation: titleLinePulse 2s ease-in-out infinite;
}

@keyframes titleLinePulse {
  0%,
  100% {
    width: 60px;
    opacity: 1;
  }
  50% {
    width: 100px;
    opacity: 0.6;
  }
}

.commitment-subtitle {
  font-size: 18px;
  color: #e67e22;
  font-weight: 500;
  margin-top: 12px;
  letter-spacing: 1px;
}

.title-underline {
  display: none;
}

/* ===== GRID ===== */
.commitment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

/* ===== CARD ===== */
.commitment-card {
  background: #ffffff;
  border-radius: 24px;
  padding: 35px 28px 30px;
  text-align: center;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.04);
  border: 1px solid #f0f0f0;
  position: relative;
  overflow: hidden;
}

/* Card glow border */
.commitment-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 26px;
  padding: 2px;
  background: linear-gradient(135deg, transparent 40%, #e67e22 100%);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.commitment-card:hover::before {
  opacity: 1;
}

/* Shine effect on hover */
.commitment-card::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    135deg,
    transparent 40%,
    rgba(255, 255, 255, 0.05) 50%,
    transparent 60%
  );
  transform: rotate(45deg) translateX(-100%);
  transition: transform 0.8s ease;
  pointer-events: none;
}

.commitment-card:hover::after {
  transform: rotate(45deg) translateX(100%);
}

.commitment-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 25px 60px rgba(230, 126, 34, 0.12);
  border-color: #e67e22;
}

/* ===== CARD ICON ===== */
.card-icon {
  width: 85px;
  height: 85px;
  background: linear-gradient(135deg, #e67e2215, #f39c1215);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.card-icon::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: all 0.5s ease;
}

.commitment-card:hover .card-icon::before {
  border-color: #e67e22;
  transform: scale(1.1);
}

.card-icon i {
  font-size: 38px;
  color: #e67e22;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.commitment-card:hover .card-icon {
  background: linear-gradient(135deg, #e67e22, #d35400);
  transform: scale(1.08) rotate(-5deg);
  box-shadow: 0 8px 30px rgba(230, 126, 34, 0.25);
}

.commitment-card:hover .card-icon i {
  color: #ffffff;
  transform: scale(1.1) rotate(5deg);
}

/* ===== CARD TITLE ===== */
.commitment-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

.commitment-card:hover h3 {
  color: #e67e22;
}

.commitment-card h3::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, #e67e22, #f39c12);
  margin: 10px auto 0;
  border-radius: 2px;
  transition: width 0.4s ease;
}

.commitment-card:hover h3::after {
  width: 70px;
}

/* ===== CARD DESCRIPTION ===== */
.commitment-card p {
  font-size: 14px;
  line-height: 1.8;
  color: #666;
  margin: 0;
}

/* ===== HIGHLIGHT CARD ===== */
.commitment-card.highlight {
  background: linear-gradient(135deg, #e67e22, #d35400);
  border: none;
}

.commitment-card.highlight::before {
  display: none;
}

.commitment-card.highlight::after {
  background: linear-gradient(
    135deg,
    transparent 40%,
    rgba(255, 255, 255, 0.08) 50%,
    transparent 60%
  );
}

.commitment-card.highlight .card-icon {
  background: rgba(255, 255, 255, 0.15);
}

.commitment-card.highlight .card-icon i {
  color: #ffffff;
}

.commitment-card.highlight h3 {
  color: #ffffff;
}

.commitment-card.highlight h3::after {
  background: #ffffff;
}

.commitment-card.highlight p {
  color: rgba(255, 255, 255, 0.9);
}

.commitment-card.highlight:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 25px 60px rgba(230, 126, 34, 0.4);
}

/* ============================================================
   CATEGORIES SECTION
   ============================================================ */
.categories-section {
  padding: 80px 20px 90px;
  background: #ffffff;
  position: relative;
}

.categories-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #e67e22, #f39c12, #e67e22);
  background-size: 200% 100%;
  animation: gradientMove 3s ease-in-out infinite;
}

@keyframes gradientMove {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.categories-container {
  max-width: 1300px;
  margin: 0 auto;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.category-card {
  background: #ffffff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.04);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: 1px solid #f0f0f0;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
}

/* Card border glow */
.category-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 21px;
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: -1;
}

.category-card:hover::before {
  opacity: 1;
}

.category-card:hover {
  transform: translateY(-14px) scale(1.02);
  box-shadow: 0 30px 70px rgba(230, 126, 34, 0.15);
  border-color: #e67e22;
}

/* ===== CATEGORY IMAGE ===== */
.category-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}

.category-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-card:hover .category-image img {
  transform: scale(1.08);
}

.category-image .category-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.4));
  opacity: 0;
  transition: opacity 0.5s ease;
}

.category-card:hover .category-overlay {
  opacity: 1;
}

/* ===== CATEGORY CONTENT ===== */
.category-content {
  padding: 22px 20px 20px;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
}

.category-content .category-icon {
  width: 65px;
  height: 65px;
  background: linear-gradient(135deg, #e67e2215, #f39c1215);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: -40px auto 12px;
  font-size: 30px;
  color: #e67e22;
  border: 3px solid white;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
  flex-shrink: 0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-card:hover .category-icon {
  background: linear-gradient(135deg, #e67e22, #d35400);
  color: #ffffff;
  transform: scale(1.1) rotate(-10deg);
  box-shadow: 0 8px 25px rgba(230, 126, 34, 0.3);
}

.category-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 6px;
  transition: color 0.3s ease;
}

.category-card:hover h3 {
  color: #e67e22;
}

.category-content p {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s ease;
}

.category-card:hover p {
  color: #555;
}

.category-content .btn-view {
  display: inline-block;
  padding: 8px 28px;
  background: linear-gradient(135deg, #e67e22, #d35400);
  color: white;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: auto;
  align-self: center;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.btn-view::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.6s ease;
}

.btn-view:hover::before {
  left: 100%;
}

.category-content .btn-view:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 25px rgba(230, 126, 34, 0.35);
}

/* ============================================================
   REVIEWS SECTION - ẤN TƯỢNG
   ============================================================ */
.reviews-section {
  padding: 70px 20px 90px;
  background: linear-gradient(135deg, #faf6f2 0%, #ffffff 50%, #fef9f5 100%);
  position: relative;
  overflow: hidden;
}

.reviews-section::before {
  content: "❝";
  position: absolute;
  top: 20px;
  left: 30px;
  font-size: 120px;
  color: #e67e22;
  opacity: 0.03;
  font-family: "Playfair Display", serif;
}

.reviews-section::after {
  content: "❞";
  position: absolute;
  bottom: 20px;
  right: 30px;
  font-size: 120px;
  color: #e67e22;
  opacity: 0.03;
  font-family: "Playfair Display", serif;
}

.reviews-container {
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* ===== HEADER ===== */
.reviews-header {
  text-align: center;
  margin-bottom: 45px;
}

.reviews-title {
  font-size: 38px;
  font-weight: 800;
  color: #2c3e50;
  font-family: "Playfair Display", serif;
}

.reviews-title span {
  color: #e67e22;
}

.reviews-subtitle {
  font-size: 16px;
  color: #888;
  font-weight: 300;
  margin-top: 6px;
}

/* ===== REVIEWS SLIDER ===== */
.reviews-slider-wrapper {
  position: relative;
  overflow: hidden;
  padding: 10px 60px;
}

.reviews-track {
  display: flex;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  gap: 30px;
  will-change: transform;
}

/* ===== REVIEW CARD ===== */
.review-card {
  width: calc(33.333% - 20px);
  min-width: calc(33.333% - 20px);
  max-width: calc(33.333% - 20px);
  background: white;
  border-radius: 24px;
  padding: 30px 26px 26px;
  box-shadow: 0 5px 30px rgba(0, 0, 0, 0.04);
  border: 1px solid #f0f0f0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.review-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  right: 22px;
  font-size: 55px;
  color: #e67e22;
  opacity: 0.08;
  font-family: "Playfair Display", serif;
  line-height: 1;
}

.review-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 20px 60px rgba(230, 126, 34, 0.1);
  border-color: #e67e22;
}

/* ===== RATING STARS ===== */
.review-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  flex-shrink: 0;
}

.review-stars i {
  color: #f39c12;
  font-size: 16px;
  transition: all 0.3s ease;
}

.review-card:hover .review-stars i {
  animation: starPop 0.5s ease;
}

@keyframes starPop {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.3);
  }
  100% {
    transform: scale(1);
  }
}

.review-stars i.empty {
  color: #e0e0e0;
}

.review-stars i.fa-star-half-alt {
  color: #f39c12;
}

/* ===== REVIEW CONTENT ===== */
.review-content {
  font-size: 14px;
  line-height: 1.8;
  color: #555;
  margin-bottom: 16px;
  font-style: italic;
  flex: 1;
  max-height: none;
  overflow: visible;
  display: block;
}

/* ===== AUTHOR ===== */
.review-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid #f0f0f0;
  flex-shrink: 0;
  margin-top: auto;
  transition: border-color 0.3s ease;
}

.review-card:hover .review-author {
  border-color: #e67e22;
}

.review-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  flex-shrink: 0;
  background: linear-gradient(135deg, #e67e22, #d35400);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: white;
  overflow: hidden;
  transition: all 0.4s ease;
}

.review-card:hover .review-avatar {
  transform: scale(1.08);
  box-shadow: 0 4px 20px rgba(230, 126, 34, 0.3);
}

.review-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.review-avatar.no-avatar {
  background: linear-gradient(135deg, #e67e22, #d35400);
  color: white;
}

.review-author-name {
  font-weight: 700;
  font-size: 15px;
  color: #2c3e50;
  display: flex;
  align-items: center;
  gap: 6px;
}

.review-author-name .verified {
  color: #4caf50;
  font-size: 14px;
  animation: verifiedPulse 2s ease-in-out infinite;
}

@keyframes verifiedPulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

.review-author-course {
  font-size: 12px;
  color: #999;
  margin-top: 2px;
}

/* ===== REVIEWS CONTROLS ===== */
.reviews-controls {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  z-index: 10;
  padding: 0 5px;
}

.reviews-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid #e67e22;
  background: white;
  color: #e67e22;
  cursor: pointer;
  font-size: 18px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  z-index: 11;
  flex-shrink: 0;
}

.reviews-btn:hover {
  background: linear-gradient(135deg, #e67e22, #d35400);
  color: white;
  transform: scale(1.1);
  box-shadow: 0 8px 35px rgba(230, 126, 34, 0.3);
}

.reviews-btn:disabled {
  opacity: 0.2;
  cursor: not-allowed;
  transform: none;
  pointer-events: none;
}

.reviews-btn:disabled:hover {
  background: white;
  color: #e67e22;
  transform: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

/* ===== REVIEWS DOTS ===== */
.reviews-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}

.reviews-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ddd;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  padding: 0;
}

.reviews-dot.active {
  background: #e67e22;
  width: 35px;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(230, 126, 34, 0.2);
}

.reviews-dot:hover {
  background: #e67e22;
  transform: scale(1.2);
}

/* ============================================================
   CTA BOTTOM - CUỐI TRANG (TỐI ƯU)
   ============================================================ */
.cta-bottom {
  padding: 70px 20px 80px;
  background: linear-gradient(145deg, #aa0815 0%, #7a0510 50%, #4a030a 100%);
  position: relative;
  overflow: hidden;
  border-radius: 30px 30px 0 0;
  margin-top: 20px;
}

/* Hiệu ứng nền */
.cta-bottom::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.05), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-bottom::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.03), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-bottom-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.cta-bottom-icon {
  font-size: 56px;
  margin-bottom: 12px;
  display: block;
  animation: ctaIconFloat 3s ease-in-out infinite;
}

@keyframes ctaIconFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.cta-bottom-content h2 {
  font-size: 38px;
  font-weight: 800;
  font-family: "Playfair Display", serif;
  color: #ffffff;
  margin-bottom: 12px;
}

.cta-bottom-content p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto 24px;
}

.cta-bottom-content p strong {
  color: #ffd700;
}

.cta-bottom-stats {
  display: flex;
  justify-content: center;
  gap: 50px;
  margin-bottom: 28px;
}

.cta-bottom-stats .stat {
  text-align: center;
}

.cta-bottom-stats .stat .number {
  font-size: 32px;
  font-weight: 800;
  color: #ffd700;
  display: block;
}

.cta-bottom-stats .stat .label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.cta-bottom-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-bottom-btn-primary {
  padding: 16px 44px;
  background: linear-gradient(135deg, #ffd700, #f5a623);
  color: #7a0510;
  border-radius: 50px;
  font-weight: 700;
  font-size: 17px;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 6px 30px rgba(255, 215, 0, 0.3);
}

.cta-bottom-btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 45px rgba(255, 215, 0, 0.4);
}

.cta-bottom-btn-zalo {
  padding: 16px 34px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: white;
  border-radius: 50px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.cta-bottom-btn-zalo:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.cta-bottom-note {
  margin-top: 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}

.cta-bottom-note i {
  color: #ffd700;
  margin-right: 6px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .cta-bottom {
    padding: 50px 20px 60px;
    border-radius: 20px 20px 0 0;
  }
  .cta-bottom-content h2 {
    font-size: 30px;
  }
  .cta-bottom-stats {
    gap: 30px;
  }
  .cta-bottom-stats .stat .number {
    font-size: 26px;
  }
}

@media (max-width: 480px) {
  .cta-bottom {
    padding: 40px 16px 50px;
    border-radius: 16px 16px 0 0;
  }
  .cta-bottom-content h2 {
    font-size: 24px;
  }
  .cta-bottom-content p {
    font-size: 15px;
  }
  .cta-bottom-stats {
    flex-direction: column;
    gap: 10px;
  }
  .cta-bottom-buttons {
    flex-direction: column;
    align-items: center;
  }
  .cta-bottom-btn-primary,
  .cta-bottom-btn-zalo {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
    font-size: 15px;
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
  .commitment-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }

  .review-card {
    width: calc(50% - 15px);
    min-width: calc(50% - 15px);
    max-width: calc(50% - 15px);
  }

  .reviews-btn {
    width: 44px;
    height: 44px;
    font-size: 16px;
  }

  .reviews-slider-wrapper {
    padding: 10px 45px;
  }

  .commitment-title {
    font-size: 36px;
  }

  .reviews-title {
    font-size: 32px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .commitment-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .categories-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .review-card {
    width: 100%;
    min-width: 100%;
    max-width: 100%;
    padding: 22px 18px;
  }

  .reviews-btn {
    width: 38px;
    height: 38px;
    font-size: 14px;
  }

  .reviews-slider-wrapper {
    padding: 10px 30px;
  }

  .reviews-controls {
    padding: 0 5px;
  }

  .commitment-title {
    font-size: 28px;
  }

  .reviews-title {
    font-size: 26px;
  }

  .reviews-subtitle {
    font-size: 14px;
  }

  .commitment-card {
    padding: 28px 20px 24px;
  }

  .commitment-card h3 {
    font-size: 18px;
  }

  .card-icon {
    width: 70px;
    height: 70px;
  }

  .card-icon i {
    font-size: 32px;
  }

  .category-image {
    height: 160px;
  }

  .slider-btn {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  .prev-btn {
    left: 15px;
  }

  .next-btn {
    right: 15px;
  }

  .dot {
    width: 8px;
    height: 8px;
  }

  .dot.active {
    width: 25px;
  }
}

/* Mobile nhỏ */
@media (max-width: 480px) {
  .commitment-section {
    padding: 50px 15px 60px;
  }

  .categories-section {
    padding: 50px 15px 60px;
  }

  .reviews-section {
    padding: 40px 15px 60px;
  }

  .categories-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .commitment-title {
    font-size: 24px;
  }

  .reviews-title {
    font-size: 22px;
  }

  .commitment-card {
    padding: 20px 16px;
  }

  .card-icon {
    width: 60px;
    height: 60px;
  }

  .card-icon i {
    font-size: 28px;
  }

  .commitment-card h3 {
    font-size: 16px;
  }

  .commitment-card p {
    font-size: 13px;
  }

  .category-image {
    height: 180px;
  }

  .category-content h3 {
    font-size: 16px;
  }

  .review-card {
    padding: 16px 14px;
  }

  .review-avatar {
    width: 40px;
    height: 40px;
    font-size: 14px;
  }

  .review-author-name {
    font-size: 13px;
  }

  .reviews-btn {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .reviews-slider-wrapper {
    padding: 10px 20px;
  }

  .slider-btn {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .prev-btn {
    left: 10px;
  }

  .next-btn {
    right: 10px;
  }
}
/* ============================================================
   SCROLL REVEAL - HIỆU ỨNG TRỒI LÊN (FIX)
   ============================================================ */

/* Trạng thái ban đầu - ẩn */
.reveal {
  opacity: 0 !important;
  transform: translateY(60px) !important;
  transition: all 0.9s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* Trạng thái hiển thị - hiện ra */
.reveal.active {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Delay cho từng card */
.reveal-d1 {
  transition-delay: 0.05s !important;
}
.reveal-d2 {
  transition-delay: 0.12s !important;
}
.reveal-d3 {
  transition-delay: 0.19s !important;
}
.reveal-d4 {
  transition-delay: 0.26s !important;
}
.reveal-d5 {
  transition-delay: 0.33s !important;
}
.reveal-d6 {
  transition-delay: 0.4s !important;
}
.reveal-d7 {
  transition-delay: 0.47s !important;
}
.reveal-d8 {
  transition-delay: 0.54s !important;
}
.reveal-d9 {
  transition-delay: 0.61s !important;
}
.reveal-d10 {
  transition-delay: 0.68s !important;
}
.reveal-d11 {
  transition-delay: 0.75s !important;
}
.reveal-d12 {
  transition-delay: 0.82s !important;
}

/* Hiệu ứng icon pop khi xuất hiện */
.reveal.active .card-icon {
  animation: iconPop 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both !important;
}

@keyframes iconPop {
  0% {
    transform: scale(0.3) rotate(-15deg);
    opacity: 0;
  }
  60% {
    transform: scale(1.2) rotate(5deg);
    opacity: 1;
  }
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
}

/* Hiệu ứng ảnh khi xuất hiện */
.reveal.active .category-image img {
  animation: imageReveal 0.7s cubic-bezier(0.4, 0, 0.2, 1) 0.15s both !important;
}

@keyframes imageReveal {
  0% {
    transform: scale(1.15);
    opacity: 0.4;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Responsive */
@media (max-width: 768px) {
  .reveal {
    transform: translateY(40px) !important;
    transition-duration: 0.6s !important;
  }
}

@media (max-width: 480px) {
  .reveal {
    transform: translateY(30px) !important;
    transition-duration: 0.5s !important;
  }
}