/* ============================================
   HOME PAGE — css/home.css
   ============================================ */

/* ── NAV ── */
#main-nav {
  display: block !important;
  height: auto !important;
  justify-content: unset !important;
  position: sticky;
  top: 0;
  z-index: 200;
  background-color: #0d1547;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

#main-nav.scrolled {
  background-color: rgba(13,21,71,0.97);
  backdrop-filter: blur(8px);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff !important;
  text-decoration: none;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.nav-logo::after { display: none !important; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  height: 60px;
}

.nav-links a {
  color: rgba(255,255,255,0.9) !important;
  text-decoration: none;
  padding: 0 14px;
  height: 60px;
  display: flex;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background-color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 2px;
  background-color: #f9a825;
  transition: width 0.2s;
}

.nav-links a:hover { background-color: rgba(255,255,255,0.08); }
.nav-links a:hover::after { width: 70%; }

.nav-links .dropdown { position: relative; height: 60px; display: flex; align-items: center; }
.nav-links .dropdown > a::after { display: none; }

.nav-links .dropdown-content {
  display: none;
  position: absolute;
  top: 100%; left: 0;
  background-color: #0d1547;
  min-width: 200px;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  border-top: 2px solid #f9a825;
  z-index: 300;
}

.nav-links .dropdown-content a {
  display: block;
  height: auto;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.9rem;
}

.nav-links .dropdown-content a:last-child { border-bottom: none; }
.nav-links .dropdown-content a:hover { background-color: rgba(249,168,37,0.12); color: #f9a825 !important; }
.nav-links .dropdown:hover .dropdown-content { display: block; }

.nav-cta {
  background-color: #f9a825 !important;
  color: #1c1c2e !important;
  padding: 8px 18px !important;
  border-radius: 50px !important;
  font-weight: 700 !important;
  font-size: 0.9rem !important;
  height: auto !important;
  margin-left: 8px;
}

.nav-cta::after { display: none !important; }

.nav-login {
  color: #fff !important;
  border: 1px solid rgba(255,255,255,0.42);
  background-color: rgba(255,255,255,0.1);
  padding: 8px 16px !important;
  border-radius: 50px !important;
  font-weight: 700 !important;
  font-size: 0.9rem !important;
  height: auto !important;
  margin-left: 8px;
}

.nav-login::before {
  content: "\f2f6";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  margin-right: 7px;
  font-size: 0.82rem;
}

.nav-login::after { display: none !important; }
.nav-login:hover { background-color: rgba(255,255,255,0.18) !important; }
.nav-cta:hover { filter: brightness(1.08); background-color: #f9a825 !important; }

.mobile-header-login {
  display: none;
}

/* ── HERO ── */
.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
  min-height: calc(100vh - 60px);
}

.hero-content {
  opacity: 1;
  transform: none;
}

.hero-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #f57f17;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
  display: block;
}

.hero-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 3.8rem;
  font-weight: 700;
  color: #0d1547;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-title span {
  color: #1a237e;
  position: relative;
  display: inline-block;
}

.hero-title span::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 0;
  width: 100%; height: 6px;
  background-color: #f9a825;
  border-radius: 3px;
  opacity: 0.5;
  z-index: -1;
}

.hero-sub {
  font-size: 1.05rem;
  color: #6b7280;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-trust-row {
  margin-top: 1.15rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.hero-trust-item {
  min-height: 76px;
  padding: 0.85rem 0.9rem;
  border: 1px solid rgba(13,21,71,0.1);
  border-radius: 16px;
  background: rgba(255,255,255,0.82);
  box-shadow: 0 10px 28px rgba(13,21,71,0.08);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.22rem;
}

.hero-trust-item strong {
  color: #0d1547;
  font-size: 0.94rem;
  font-weight: 850;
  line-height: 1.2;
}

.hero-trust-item span {
  color: #667085;
  font-size: 0.82rem;
  font-weight: 650;
  line-height: 1.35;
}

.btn-primary {
  display: inline-block;
  padding: 13px 30px;
  background-color: #1a237e;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 8px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(26,35,126,0.3);
  transition: background-color 0.2s, transform 0.2s;
}

.btn-primary:hover {
  background-color: #3949ab;
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-block;
  padding: 13px 30px;
  background-color: transparent;
  color: #1a237e;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  border: 2px solid #1a237e;
  transition: background-color 0.2s, color 0.2s;
}

.btn-outline:hover {
  background-color: #1a237e;
  color: #fff;
}

.hero-image {
  opacity: 1;
  transform: none;
}

.hero-image .swiper {
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
  aspect-ratio: 4/3;
  width: 100%;
  background-color: #3949ab;
}

.hero-image .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── SECTIONS CHUNG ── */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.2rem;
  color: #0d1547;
  margin-bottom: 0.5rem;
}

.section-header p {
  color: #6b7280;
  font-size: 1.05rem;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #f57f17;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 0.5rem;
}

/* ── CÁC LỚP ── */
.classes-section {
  padding: 4rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.classes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.class-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  border: 1px solid #e5e7eb;
  transition: transform 0.3s, box-shadow 0.3s;
}

.class-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(26,35,126,0.15);
}

.class-img {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background-color: #e8eaf6;
}

.class-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}

.class-card:hover .class-img img { transform: scale(1.05); }

.class-info {
  padding: 1.25rem;
  flex: 1;
}

.class-tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  background: #e8eaf6;
  color: #1a237e;
  margin-bottom: 0.5rem;
}

.class-info h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.1rem;
  color: #0d1547;
  margin-bottom: 6px;
}

.class-info p {
  font-size: 0.9rem;
  color: #6b7280;
  line-height: 1.5;
}

.class-card--cta {
  background: linear-gradient(135deg, #0d1547, #1a237e);
  border: none;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 200px;
}

.class-cta-inner {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.class-cta-inner i { font-size: 2.5rem; color: #f9a825; }
.class-cta-inner h3 { color: #fff; font-size: 1.1rem; }
.class-cta-inner p { color: rgba(255,255,255,0.7); font-size: 0.9rem; }

/* ── FEATURES ── */
.features-section {
  background: linear-gradient(135deg, #f0f2ff, #fafafa);
  padding: 4rem 1.5rem;
}

.features-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.features-text h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.2rem;
  color: #0d1547;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.features-desc {
  color: #6b7280;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: #1c1c2e;
}

.features-list li i { color: #f57f17; font-size: 1.1rem; margin-top: 2px; flex-shrink: 0; }

.features-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border-top: 3px solid #f9a825;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-num {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2rem;
  font-weight: 700;
  color: #1a237e;
}

.stat-label { font-size: 0.9rem; color: #6b7280; line-height: 1.4; }

/* ── CONTACT ── */
.contact-section {
  padding: 4rem 1.5rem;
  background-color: #0d1547;
  color: #fff;
}

.contact-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info .section-label { color: #f9a825; }

.contact-info h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2rem;
  color: #fff;
  margin-bottom: 1rem;
}

.contact-info > p { color: rgba(255,255,255,0.75); line-height: 1.7; margin-bottom: 1.5rem; }

.contact-details { display: flex; flex-direction: column; gap: 12px; margin-bottom: 1.5rem; }

.contact-item { display: flex; align-items: flex-start; gap: 12px; font-size: 0.95rem; color: rgba(255,255,255,0.85); }
.contact-item i { color: #f9a825; font-size: 1rem; margin-top: 2px; flex-shrink: 0; width: 16px; }
.contact-item a { color: rgba(255,255,255,0.85); text-decoration: none; }
.contact-item a:hover { color: #f9a825; }

.contact-socials { display: flex; gap: 1rem; }

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: 50px;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: border-color 0.2s, color 0.2s;
}

.social-link:hover { border-color: #f9a825; color: #f9a825; }

.contact-form-wrap {
  background: #fff;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.contact-form h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.4rem;
  color: #1a237e;
  margin-bottom: 1.5rem;
  text-align: center;
}

.contact-form label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: #1c1c2e;
  margin-bottom: 6px;
  margin-top: 1rem;
}

.contact-form label:first-of-type { margin-top: 0; }

.contact-form input,
.contact-form select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid #e5e7eb;
  border-radius: 8px;
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  background: #fff;
  color: #1c1c2e;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form input:focus,
.contact-form select:focus {
  border-color: #f9a825;
  box-shadow: 0 0 0 3px rgba(249,168,37,0.2);
}

/* ── TESTIMONIAL ── */
.testimonial-section {
  padding: 4rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border-left: 4px solid #f9a825;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.testimonial-stars { color: #f9a825; font-size: 1.1rem; letter-spacing: 2px; }

.testimonial-quote {
  font-size: 0.95rem;
  color: #1c1c2e;
  line-height: 1.7;
  font-style: italic;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 0.5rem;
  border-top: 1px solid #e5e7eb;
}

.author-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a237e, #3949ab);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.1rem; flex-shrink: 0;
}

.testimonial-author strong { display: block; font-size: 0.9rem; color: #0d1547; }
.testimonial-author span { font-size: 0.8rem; color: #6b7280; }

/* ── FOOTER ── */
.site-footer {
  background-color: #0d1547;
  color: rgba(255,255,255,0.8);
  padding: 3rem 1.5rem 0;
  border-top: 3px solid #f9a825;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.footer-brand h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 1rem;
}

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

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: #f9a825;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 1rem;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.footer-col ul li {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  display: flex; align-items: flex-start; gap: 8px;
}

.footer-col ul li i { color: #f9a825; font-size: 0.85rem; margin-top: 2px; flex-shrink: 0; }

.footer-col ul li a,
.footer-col ul a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-col ul li a:hover,
.footer-col ul a:hover { color: #f9a825; }

.footer-socials { display: flex; gap: 10px; margin-top: 1rem; }

.footer-socials a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s;
}

.footer-socials a:hover { background-color: #f9a825; color: #1c1c2e; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1rem 0;
  text-align: center;
  max-width: 1100px;
  margin: 0 auto;
}

.footer-bottom p { font-size: 0.9rem; color: rgba(255,255,255,0.5); }

/* ── HAMBURGER MENU ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-section {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2rem;
    text-align: center;
  }
  .hero-actions { justify-content: center; }
  .hero-image { max-width: 560px; margin: 0 auto; }
  .hero-title { font-size: 3rem; }
  .classes-grid { grid-template-columns: repeat(2, 1fr); }
  .features-inner { grid-template-columns: 1fr; }
  .features-stats { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .classes-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.4rem; }
  .footer-inner { grid-template-columns: 1fr; }

  /* Mobile nav */
  .nav-hamburger { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #0d1547;
    flex-direction: column;
    height: auto;
    padding: 0.5rem 0;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    z-index: 300;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    height: auto;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    width: 100%;
  }

  .nav-links .dropdown { height: auto; flex-direction: column; }
  .nav-links .dropdown-content {
    position: static;
    display: none;
    box-shadow: none;
    border-top: none;
    border-radius: 0;
    background-color: rgba(255,255,255,0.05);
  }
  .nav-links .dropdown.open .dropdown-content { display: block; }
  .nav-links .dropdown-content a { padding-left: 36px; }

  .nav-links .nav-cta {
    margin: 8px 16px;
    border-radius: 8px !important;
    text-align: center;
    justify-content: center;
  }

  .nav-links .nav-login {
    margin: 8px 16px 0;
    border-radius: 8px !important;
    text-align: center;
    justify-content: center;
  }

  #main-nav { position: relative; }
  .nav-inner { position: relative; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-outline { width: 100%; text-align: center; }
  .nav-links a { padding: 0 8px; font-size: 0.85rem; }
}

/* ── PAGE HERO (các trang con) ── */
.page-hero {
  background: linear-gradient(135deg, #0d1547 0%, #1a237e 60%, #283593 100%);
  padding: 3rem 1.5rem;
  text-align: center;
  color: #fff;
}

.page-hero-inner { max-width: 700px; margin: 0 auto; }

.page-hero h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
  letter-spacing: 1px;
}

.page-hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.6;
}

/* ── PAGE CONTENT ── */
.page-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.page-content .section h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.6rem;
  color: #0d1547;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #f9a825;
  display: inline-block;
}

/* ── CONTACT BLOCK ── */
.contact-block p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  color: #1c1c2e;
}

.contact-block p i { color: #f57f17; flex-shrink: 0; margin-top: 3px; }
.contact-block a { color: #1a237e; text-decoration: none; }
.contact-block a:hover { text-decoration: underline; }

/* ── SCHEDULE CTA ── */
.schedule-cta {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: #1a237e;
  letter-spacing: 0.5px;
}

/* ── TOOL CARD ── */
.tool-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  padding: 2rem;
  margin-bottom: 2rem;
  border-top: 3px solid #f9a825;
}

.tool-hint {
  font-size: 0.9rem;
  color: #6b7280;
  margin: 0.5rem 0;
}

.tool-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.tool-btns { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* Override random-tool trong tool-card */
.tool-card .random-tool {
  margin: 0;
  padding: 0;
  max-width: 100%;
  align-items: flex-start;
}

.tool-card .random-tool h1 { display: none; }

/* Override random1-page trong tool-card */
.tool-card .random1-page {
  background: transparent;
  padding: 0;
  margin: 0;
}

.tool-card .random1-page h1 { display: none; }

.tool-card .random1-page .container {
  max-width: 100%;
  padding: 0;
  margin: 0;
}

.tool-card .random1-page .box {
  border-top: 3px solid #f9a825;
}

.tool-card .random1-page .box h2 {
  font-family: 'Playfair Display', Georgia, serif;
  color: #0d1547;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

/* ── NÚT LÊN ĐẦU TRANG ── */
#back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  background-color: #1a237e;
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(26,35,126,0.35);
  transition: background-color 0.2s, transform 0.2s;
  z-index: 998;
}

#back-to-top:hover {
  background-color: #3949ab;
  transform: translateY(-3px);
}

#back-to-top.visible { display: flex; }

/* ── DARK MODE ── */
body.dark-mode {
  background-color: #0f1117;
  color: #e2e8f0;
}

body.dark-mode .hero-title { color: #e2e8f0; }
body.dark-mode .hero-sub { color: #94a3b8; }
body.dark-mode .hero-label { color: #fbbf24; }
body.dark-mode .hero-section { background-color: #0f1117; }
body.dark-mode .btn-outline { color: #93c5fd; border-color: #93c5fd; }
body.dark-mode .btn-outline:hover { background-color: #93c5fd; color: #0f1117; }

body.dark-mode .classes-section,
body.dark-mode .testimonial-section { background-color: #0f1117; }

body.dark-mode .class-card,
body.dark-mode .testimonial-card,
body.dark-mode .stat-card,
body.dark-mode .tool-card,
body.dark-mode .contact-form-wrap,
body.dark-mode .random1-page .box {
  background-color: #1e2433;
  border-color: #2d3748;
  color: #e2e8f0;
}

body.dark-mode .class-info h3,
body.dark-mode .class-info p,
body.dark-mode .testimonial-quote,
body.dark-mode .testimonial-author strong { color: #e2e8f0; }

body.dark-mode .class-info p,
body.dark-mode .testimonial-author span,
body.dark-mode .stat-label,
body.dark-mode .features-desc,
body.dark-mode .tool-hint { color: #94a3b8; }

body.dark-mode .features-section { background: linear-gradient(135deg, #1a1f2e, #0f1117); }
body.dark-mode .features-text h2 { color: #e2e8f0; }
body.dark-mode .features-list li { color: #e2e8f0; }

body.dark-mode .section { background-color: #1e2433; }
body.dark-mode .section h2,
body.dark-mode .page-content .section h2 { color: #93c5fd; }
body.dark-mode .contact-block p { color: #e2e8f0; }
body.dark-mode .contact-block a { color: #93c5fd; }

body.dark-mode .contact-form h3 { color: #93c5fd; }
body.dark-mode .contact-form label { color: #e2e8f0; }
body.dark-mode .contact-form input,
body.dark-mode .contact-form select {
  background-color: #2d3748;
  border-color: #4a5568;
  color: #e2e8f0;
}

body.dark-mode .random1-page { background-color: #0f1117; }
body.dark-mode .random1-page .box h2 { color: #93c5fd; }
body.dark-mode .random1-page textarea,
body.dark-mode .random1-page input[type="number"],
body.dark-mode .random-tool textarea,
body.dark-mode .random-tool input[type="number"] {
  background-color: #2d3748;
  border-color: #4a5568;
  color: #e2e8f0;
}
body.dark-mode .random1-page .result { background-color: #1e2433; border-color: #f9a825; color: #f9a825; }
body.dark-mode .random-tool .group { background-color: #1e2433; border-color: #3949ab; }
body.dark-mode .random-tool .group h3 { background: #1a237e; }
body.dark-mode .random-tool .student { border-color: #2d3748; color: #e2e8f0; }

body.dark-mode .section-header h2 { color: #e2e8f0; }
body.dark-mode .section-header p { color: #94a3b8; }

/* Badge dark */
body.dark-mode .class-tag { background: #1e3a5f; color: #93c5fd; }
body.dark-mode .badge-toan  { background: #1e3a5f; color: #93c5fd; }
body.dark-mode .badge-anh   { background: #1e3a5f; color: #60a5fa; }
body.dark-mode .badge-ielts { background: #14432a; color: #4ade80; }

/* Testimonial dark */
body.dark-mode .testimonial-card { border-left-color: #f9a825; }
body.dark-mode .author-avatar { background: linear-gradient(135deg, #1a237e, #3949ab); }
body.dark-mode .stat-num { color: #93c5fd; }

/* Notice dark */
body.dark-mode .notice-card { background: #1e2433; border-left-color: #3949ab; }
body.dark-mode .notice-body h3 { color: #e2e8f0; }
body.dark-mode .notice-body p { color: #94a3b8; }
body.dark-mode .filter-btn { background: #1e2433; border-color: #2d3748; color: #94a3b8; }
body.dark-mode .filter-btn:hover,
body.dark-mode .filter-btn.active { background: #1a237e; border-color: #1a237e; color: #fff; }
body.dark-mode .notice-badge.khai-giang { background: #1e3a5f; color: #93c5fd; }
body.dark-mode .notice-badge.lich-thi   { background: #1e3a5f; color: #60a5fa; }
body.dark-mode .notice-badge.nghi-le    { background: #431407; color: #fbbf24; }
body.dark-mode .notice-badge.khac       { background: #1e2433; color: #94a3b8; }

/* Page hero dark */
body.dark-mode .page-hero {
  background: linear-gradient(135deg, #060910 0%, #0d1547 60%, #1a237e 100%);
}

/* Dark mode toggle button */
#dark-toggle {
  position: fixed;
  bottom: 74px;
  right: 20px;
  width: 44px;
  height: 44px;
  background-color: #1a237e;
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(26,35,126,0.35);
  transition: background-color 0.2s, transform 0.2s;
  z-index: 997;
}

#dark-toggle:hover { background-color: #3949ab; transform: scale(1.1); }

body.dark-mode #dark-toggle { background-color: #f9a825; color: #1c1c2e; }
body.dark-mode #dark-toggle:hover { background-color: #f57f17; }

/* ══════════════════════════════════════
   MOBILE RESPONSIVE FIXES
══════════════════════════════════════ */

/* Tablet: <= 768px */
@media (max-width: 768px) {
  .hero-section { padding: 2.5rem 1.25rem; gap: 2rem; min-height: auto; }
  .hero-title { font-size: 2.8rem; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; }
}

/* Mobile: <= 600px */
@media (max-width: 600px) {
  .hero-section { padding: 2rem 1rem; min-height: auto; text-align: center; }
  .hero-image {
    width: 100%;
    max-width: 100%;
  }
  .hero-image .swiper {
    aspect-ratio: 16 / 9;
    border-radius: 12px;
  }
  .hero-actions {
    justify-content: center;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }
  .btn-primary, .btn-outline { width: 100%; text-align: center; padding: 12px 20px; }
  .hero-title { font-size: 2.2rem; }
  .hero-sub { font-size: 0.92rem; }
  .classes-grid { grid-template-columns: 1fr; gap: 1rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .page-hero { padding: 2rem 1rem; }
  .page-hero h1 { font-size: 1.8rem; }
  .section-header h2 { font-size: 1.7rem; }
  .social-fixed {
    top: auto;
    left: 50%;
    right: auto;
    bottom: 16px;
    transform: translateX(-50%);
    flex-direction: row;
    gap: 10px;
    padding: 6px;
    border-radius: 999px;
    background: rgba(255,255,255,0.92);
    box-shadow: 0 8px 24px rgba(13,21,71,0.14);
    backdrop-filter: blur(10px);
  }
  .social-btn { width: 40px; height: 40px; }
  .social-btn img { width: 20px; height: 20px; }
  #dark-toggle  { bottom: 80px;  right: 10px; width: 40px; height: 40px; }
  #back-to-top  { bottom: 30px;  right: 10px; width: 40px; height: 40px; }
}

/* Small mobile: <= 480px */
@media (max-width: 480px) {
  .hero-title { font-size: 1.9rem; }
  .hero-sub { margin-bottom: 1.5rem; }
  .features-stats { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .stat-num { font-size: 2rem; }
  .testimonial-card { padding: 1.25rem; }
  .testimonial-quote { font-size: 0.9rem; }
  .schedule-grid { grid-template-columns: 1fr; }
  .social-fixed { bottom: 14px; gap: 8px; }
  .social-btn { width: 36px; height: 36px; font-size: 0.85rem; }
  .social-btn img { width: 18px; height: 18px; }
}

@media (max-width: 600px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .announcement-marquee,
  #main-nav,
  .hero-section,
  .hero-content,
  .hero-actions,
  .hero-image,
  .classes-section {
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }

  .hero-section {
    display: flex;
    flex-direction: column;
    width: 100%;
    margin: 0;
    padding: 2rem 1rem;
    gap: 1.25rem;
    overflow: hidden;
  }

  .hero-content,
  .hero-actions,
  .hero-image {
    width: 100%;
  }

  .hero-sub {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .hero-sub br {
    display: none;
  }

  .btn-primary,
  .btn-outline {
    width: 100%;
    max-width: 100%;
  }

  .hero-image .swiper {
    width: 100% !important;
    max-width: 100% !important;
    aspect-ratio: 16 / 9;
    height: auto !important;
    margin: 0 auto;
  }

  .hero-image .swiper-wrapper,
  .hero-image .swiper-slide {
    min-width: 0;
  }
}

@media (max-width: 768px) {
  html,
  body {
    inline-size: 100%;
    max-inline-size: 100%;
    overflow-x: hidden !important;
  }

  [data-animate],
  [data-animate="slide-left"],
  [data-animate="slide-right"] {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-section {
    display: flex !important;
    flex-direction: column !important;
    inline-size: 100% !important;
    max-inline-size: 100% !important;
    margin-inline: 0 !important;
    padding: 2rem 1rem !important;
    gap: 1.25rem !important;
    overflow: hidden !important;
  }

  .hero-content,
  .hero-actions,
  .hero-image {
    inline-size: 100% !important;
    max-inline-size: 100% !important;
    min-inline-size: 0 !important;
    margin-inline: 0 !important;
  }

  .hero-title,
  .hero-sub,
  .hero-label {
    max-inline-size: 100% !important;
    overflow-wrap: anywhere;
  }

  .hero-sub br {
    display: none !important;
  }

  .hero-actions {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-outline {
    display: block !important;
    inline-size: 100% !important;
    max-inline-size: 100% !important;
    margin-inline: 0 !important;
  }

  .hero-image .swiper,
  .hero-image .swiper-wrapper,
  .hero-image .swiper-slide {
    inline-size: 100% !important;
    max-inline-size: 100% !important;
    min-inline-size: 0 !important;
  }

  .hero-image .swiper {
    aspect-ratio: 16 / 9 !important;
    block-size: auto !important;
    border-radius: 12px !important;
  }

  .social-fixed {
    top: auto !important;
    left: 50% !important;
    right: auto !important;
    bottom: 14px !important;
    transform: translateX(-50%) !important;
    flex-direction: row !important;
  }
}

/* ══════════════════════════════════════
   PUBLIC SITE UX REFRESH — 25/05/2026
══════════════════════════════════════ */

.quick-value-section,
.home-open-classes,
.parent-guide-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.quick-value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.quick-value-item {
  min-height: 142px;
  padding: 1.2rem;
  border: 1px solid rgba(13,21,71,0.1);
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #f7f9ff 100%);
  box-shadow: 0 12px 34px rgba(13,21,71,0.08);
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 0.55rem;
}

.quick-value-item i {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #1a237e;
  background: #eef3ff;
}

.quick-value-item strong,
.home-open-card span,
.open-class-row strong,
.parent-guide-heading h2,
.parent-guide-item strong {
  color: #10172a;
  font-weight: 800;
}

.quick-value-item span,
.home-open-card strong,
.home-open-card em,
.open-class-meta,
.parent-guide-heading p,
.parent-guide-item span {
  color: #667085;
  line-height: 1.5;
}

.home-open-classes {
  padding-top: 0.5rem;
}

.section-header.compact {
  margin-bottom: 1.25rem;
}

.section-header.compact h2 {
  margin-bottom: 0.45rem;
}

.home-open-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.home-open-card {
  min-height: 136px;
  padding: 1.15rem;
  border: 1px solid rgba(26,35,126,0.13);
  border-radius: 18px;
  background: #fff;
  text-decoration: none;
  box-shadow: 0 14px 36px rgba(13,21,71,0.08);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.home-open-card:hover {
  transform: translateY(-3px);
  border-color: rgba(26,35,126,0.32);
  box-shadow: 0 18px 44px rgba(13,21,71,0.12);
}

.home-open-card em {
  margin-top: auto;
  font-style: normal;
  font-weight: 700;
  color: #f57f17;
}

.home-open-list {
  display: grid;
  gap: 0.85rem;
}

.open-class-row {
  min-height: 104px;
  padding: 1rem;
  border: 1px solid rgba(13,21,71,0.1);
  border-radius: 18px;
  background: #fff;
  text-decoration: none;
  box-shadow: 0 14px 36px rgba(13,21,71,0.08);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 1rem;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.open-class-row:hover {
  transform: translateY(-2px);
  border-color: rgba(26,35,126,0.3);
  box-shadow: 0 18px 44px rgba(13,21,71,0.12);
}

.open-class-main {
  min-width: 0;
  display: grid;
  gap: 0.35rem;
}

.open-class-subject,
.open-class-status,
.open-class-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  border-radius: 999px;
  font-weight: 850;
  white-space: nowrap;
}

.open-class-subject {
  padding: 0.28rem 0.65rem;
  color: #1a237e;
  background: #eef3ff;
  font-size: 0.78rem;
}

.open-class-row strong {
  font-size: 1.08rem;
}

.open-class-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.92rem;
  font-weight: 650;
}

.open-class-meta i {
  color: #1a237e;
  margin-right: 0.3rem;
}

.open-class-status {
  padding: 0.45rem 0.75rem;
  color: #067647;
  background: #dcfae6;
  font-size: 0.84rem;
}

.open-class-row:nth-child(3) .open-class-status {
  color: #b54708;
  background: #fff1d6;
}

.open-class-action {
  min-width: 92px;
  padding: 0.72rem 1rem;
  color: #fff;
  background: linear-gradient(135deg, #1a237e, #0ea5e9);
  box-shadow: 0 12px 28px rgba(26,35,126,0.18);
}

.parent-guide-section {
  padding-top: 0.25rem;
}

.parent-guide-card {
  padding: 1.35rem;
  border: 1px solid rgba(13,21,71,0.09);
  border-radius: 22px;
  background: linear-gradient(135deg, #ffffff 0%, #f7f9ff 100%);
  box-shadow: 0 18px 46px rgba(13,21,71,0.08);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.5fr);
  gap: 1.35rem;
  align-items: start;
}

.parent-guide-heading h2 {
  margin: 0.35rem 0 0.6rem;
  font-size: clamp(1.5rem, 2.4vw, 2.05rem);
  line-height: 1.15;
}

.parent-guide-heading p {
  margin: 0;
  font-weight: 650;
}

.parent-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.parent-guide-item {
  min-height: 166px;
  padding: 1rem;
  border: 1px solid rgba(13,21,71,0.08);
  border-radius: 18px;
  background: #fff;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 0.55rem;
}

.parent-guide-item i {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  color: #b54708;
  background: #fff1d6;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.schedule-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1.5rem;
  align-items: start;
}

.schedule-main-panel,
.schedule-side-panel {
  background: #fff;
  border: 1px solid rgba(13,21,71,0.09);
  border-radius: 22px;
  box-shadow: 0 16px 42px rgba(13,21,71,0.08);
}

.schedule-main-panel {
  padding: 1.5rem;
}

.schedule-side-panel {
  position: sticky;
  top: 84px;
  padding: 1.35rem;
}

.schedule-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.schedule-top-cta,
.schedule-card-action,
.schedule-side-button {
  border: 0;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.schedule-top-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.05rem;
  color: #fff;
  background: linear-gradient(135deg, #1a73e8, #0ea5e9);
  white-space: nowrap;
}

.schedule-summary {
  margin: -0.8rem 0 1rem;
  color: #667085;
  font-weight: 600;
}

.schedule-toolbar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.schedule-filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.65rem;
  border-radius: 18px;
  background: #f5f7fb;
}

.schedule-filter-group span {
  width: 100%;
  color: #667085;
  font-size: 0.82rem;
  font-weight: 800;
}

.schedule-filter-group button {
  border: 0;
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
  color: #344054;
  background: #fff;
  font-weight: 800;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(13,21,71,0.08);
}

.schedule-filter-group button.active {
  color: #fff;
  background: #1a237e;
  box-shadow: none;
}

.schedule-box-upgraded {
  min-height: 226px;
  padding: 1.2rem;
  border-radius: 18px;
  border: 1px solid rgba(13,21,71,0.09);
  box-shadow: 0 12px 30px rgba(13,21,71,0.07);
}

.schedule-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.schedule-status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.schedule-status-pill.open { color: #067647; background: #dcfae6; }
.schedule-status-pill.coming { color: #b54708; background: #fff1d6; }
.schedule-status-pill.full { color: #475467; background: #eaecf0; }

.schedule-card-meta {
  display: grid;
  gap: 0.45rem;
  margin: 0.8rem 0 1rem;
}

.schedule-card-meta p {
  margin: 0;
  color: #667085;
}

.schedule-card-meta i {
  color: #1a237e;
  margin-right: 0.4rem;
}

.schedule-card-action {
  margin-top: auto;
  width: 100%;
  padding: 0.78rem 1rem;
  color: #fff;
  background: #1a237e;
}

.schedule-card-action.muted {
  color: #1a237e;
  background: #eef3ff;
}

.schedule-side-panel h2,
.schedule-side-panel h3 {
  margin: 0 0 0.75rem;
  color: #10172a;
  font-size: 1.35rem;
}

.schedule-side-panel p,
.schedule-side-panel li {
  color: #667085;
  line-height: 1.55;
}

.schedule-side-panel ul {
  margin: 1rem 0;
  padding-left: 1.2rem;
}

.schedule-side-actions {
  display: grid;
  gap: 0.65rem;
  margin-top: 1rem;
}

.schedule-side-actions a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.78rem 1rem;
  border-radius: 999px;
  color: #1a237e;
  background: #eef3ff;
  text-decoration: none;
  font-weight: 800;
}

.schedule-side-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.82rem 1rem;
  color: #fff;
  background: #1a237e;
}

.schedule-side-button.secondary {
  color: #1a237e;
  background: #eef3ff;
}

.mobile-action-bar {
  display: none;
}

body.dark-mode .quick-value-item,
body.dark-mode .home-open-card,
body.dark-mode .hero-trust-item,
body.dark-mode .open-class-row,
body.dark-mode .parent-guide-card,
body.dark-mode .parent-guide-item,
body.dark-mode .schedule-main-panel,
body.dark-mode .schedule-side-panel,
body.dark-mode .schedule-box-upgraded {
  background: #171d2b;
  border-color: rgba(255,255,255,0.08);
}

body.dark-mode .quick-value-item strong,
body.dark-mode .home-open-card span,
body.dark-mode .hero-trust-item strong,
body.dark-mode .open-class-row strong,
body.dark-mode .parent-guide-heading h2,
body.dark-mode .parent-guide-item strong,
body.dark-mode .schedule-side-panel h3,
body.dark-mode .schedule-box-upgraded h3 {
  color: #e2e8f0;
}

body.dark-mode .quick-value-item span,
body.dark-mode .home-open-card strong,
body.dark-mode .hero-trust-item span,
body.dark-mode .open-class-meta,
body.dark-mode .parent-guide-heading p,
body.dark-mode .parent-guide-item span,
body.dark-mode .schedule-summary,
body.dark-mode .schedule-card-meta p,
body.dark-mode .schedule-side-panel p,
body.dark-mode .schedule-side-panel li {
  color: #94a3b8;
}

body.dark-mode .schedule-filter-group {
  background: #111827;
}

body.dark-mode .schedule-filter-group button {
  color: #e2e8f0;
  background: #1f2937;
}

@media (max-width: 900px) {
  .quick-value-grid,
  .home-open-grid,
  .parent-guide-card,
  .schedule-layout {
    grid-template-columns: 1fr;
  }

  .hero-trust-row,
  .parent-guide-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .schedule-side-panel {
    position: static;
  }
}

@media (max-width: 720px) {
  body {
    padding-bottom: 86px;
  }

  .announcement-marquee {
    display: none;
  }

  .nav-inner {
    height: 54px;
    padding: 0 1rem;
  }

  .nav-logo {
    font-size: 1.02rem;
    letter-spacing: 0.2px;
  }

  .nav-hamburger {
    display: flex;
  }

  .mobile-header-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    margin-left: auto;
    margin-right: 0.55rem;
    min-height: 38px;
    padding: 0 0.85rem;
    border-radius: 999px;
    color: #0d1547;
    background: #fff;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 900;
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  }

  .mobile-header-login i {
    color: #1a73e8;
    font-size: 0.86rem;
  }

  .nav-links .nav-login {
    display: none !important;
  }

  #main-nav {
    position: sticky !important;
    top: 0;
  }

  #main-nav .nav-links.mobile-menu-panel {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 12px;
    right: 12px;
    height: auto;
    padding: 0.85rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
    border: 1px solid rgba(13,21,71,0.08);
    border-radius: 22px;
    background: rgba(255,255,255,0.97);
    box-shadow: 0 22px 54px rgba(13,21,71,0.22);
    backdrop-filter: blur(16px);
    z-index: 1200;
  }

  #main-nav .nav-links.mobile-menu-panel.open {
    display: grid;
  }

  #main-nav .nav-links.mobile-menu-panel::before,
  #main-nav .nav-links.mobile-menu-panel .dropdown::before {
    grid-column: 1 / -1;
    color: #667085;
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }

  #main-nav .nav-links.mobile-menu-panel::before {
    content: "Điều hướng";
  }

  #main-nav .nav-links.mobile-menu-panel .dropdown::before {
    content: "Công cụ học tập";
    margin-top: 0.25rem;
  }

  #main-nav .nav-links.mobile-menu-panel a {
    width: auto;
    min-width: 0;
    min-height: 54px;
    height: auto;
    padding: 0.75rem 0.85rem;
    border: 0;
    border-radius: 16px;
    color: #10172a !important;
    background: #f3f6ff;
    font-size: 0.92rem;
    font-weight: 850;
    line-height: 1.25;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.55rem;
    box-shadow: inset 0 0 0 1px rgba(13,21,71,0.06);
  }

  #main-nav .nav-links.mobile-menu-panel a::after {
    display: none !important;
  }

  #main-nav .nav-links.mobile-menu-panel a::before {
    width: 30px;
    height: 30px;
    border-radius: 10px;
    color: #1a237e;
    background: #fff;
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
  }

  #main-nav .nav-links.mobile-menu-panel > a[href="/"]::before { content: "\f015"; }
  #main-nav .nav-links.mobile-menu-panel > a[href="/lich"]::before { content: "\f073"; }
  #main-nav .nav-links.mobile-menu-panel > a[href="/tin"]::before { content: "\f0a1"; }
  #main-nav .nav-links.mobile-menu-panel > a.nav-login::before { content: "\f2f6"; }

  #main-nav .nav-links.mobile-menu-panel .dropdown {
    grid-column: 1 / -1;
    display: grid;
    gap: 0.6rem;
    height: auto;
  }

  #main-nav .nav-links.mobile-menu-panel .dropdown > a {
    display: none !important;
  }

  #main-nav .nav-links.mobile-menu-panel .dropdown-content {
    position: static;
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
    min-width: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  #main-nav .nav-links.mobile-menu-panel .dropdown-content a {
    padding-left: 0.85rem;
  }

  #main-nav .nav-links.mobile-menu-panel .dropdown-content a[href="/nhom"]::before { content: "\f0c0"; }
  #main-nav .nav-links.mobile-menu-panel .dropdown-content a[href="/random"]::before { content: "\f522"; }
  #main-nav .nav-links.mobile-menu-panel .dropdown-content a[href="/dem"]::before { content: "\f017"; }

  #main-nav .nav-links.mobile-menu-panel .dropdown-content a:last-child {
    grid-column: 1 / -1;
  }

  #main-nav .nav-links.mobile-menu-panel .nav-login {
    display: none !important;
  }

  #main-nav .nav-links.mobile-menu-panel .nav-cta {
    grid-column: 1 / -1;
    margin: 0;
    min-height: 52px;
    justify-content: center;
    color: #fff !important;
    background: linear-gradient(135deg, #1a73e8, #0ea5e9) !important;
    box-shadow: 0 12px 28px rgba(26,115,232,0.24);
  }

  #main-nav .nav-links.mobile-menu-panel .nav-cta::before {
    content: "\f274";
    color: #1a237e;
  }

  .page-hero {
    padding: 1.65rem 1rem;
  }

  .page-hero h1 {
    font-size: 1.8rem;
  }

  .hero-section {
    padding-top: 1.15rem !important;
  }

  .hero-actions {
    gap: 0.65rem !important;
  }

  .hero-trust-row {
    grid-template-columns: 1fr;
    gap: 0.55rem;
    margin-top: 0.85rem;
  }

  .hero-trust-item {
    min-height: auto;
    padding: 0.72rem 0.82rem;
    border-radius: 14px;
  }

  .hero-actions .btn-outline {
    display: none !important;
  }

  .quick-value-section,
  .home-open-classes,
  .parent-guide-section,
  .page-content {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .quick-value-section {
    padding-bottom: 1.5rem;
  }

  .quick-value-item,
  .home-open-card {
    min-height: auto;
    border-radius: 16px;
  }

  .open-class-row {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 0.95rem;
    border-radius: 16px;
  }

  .open-class-meta {
    display: grid;
    gap: 0.35rem;
    font-size: 0.88rem;
  }

  .open-class-status,
  .open-class-action {
    width: 100%;
  }

  .parent-guide-card {
    padding: 1rem;
    border-radius: 18px;
  }

  .parent-guide-grid {
    grid-template-columns: 1fr;
  }

  .parent-guide-item {
    min-height: auto;
    border-radius: 16px;
  }

  .schedule-main-panel,
  .schedule-side-panel {
    border-radius: 18px;
    padding: 1rem;
  }

  .schedule-heading-row {
    display: block;
  }

  .schedule-top-cta {
    width: 100%;
    margin-top: 0.25rem;
  }

  .schedule-summary {
    margin: 0 0 1rem;
  }

  .schedule-toolbar {
    grid-template-columns: 1fr;
  }

  .schedule-filter-group {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding: 0.55rem;
  }

  .schedule-filter-group span {
    width: auto;
    min-width: max-content;
    align-self: center;
  }

  .schedule-filter-group button {
    white-space: nowrap;
  }

  .schedule-box-upgraded {
    min-height: auto;
  }

  .social-fixed,
  #back-to-top {
    display: none !important;
  }

  #dark-toggle {
    display: none !important;
  }

  .hero-image .swiper-button-next,
  .hero-image .swiper-button-prev {
    display: none !important;
  }

  .mobile-action-bar {
    position: fixed;
    top: auto !important;
    left: 12px;
    right: 12px;
    bottom: max(12px, env(safe-area-inset-bottom));
    z-index: 1001;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.35rem;
    padding: 0.45rem;
    border: 1px solid rgba(13,21,71,0.08);
    border-radius: 22px;
    background: rgba(255,255,255,0.94);
    box-shadow: 0 16px 44px rgba(13,21,71,0.18);
    backdrop-filter: blur(14px);
  }

  .mobile-action-bar a {
    min-width: 0;
    min-height: 52px;
    border-radius: 16px;
    color: #1a237e;
    text-decoration: none;
    font-size: 0.78rem;
    font-weight: 800;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.22rem;
    background: #f3f6ff;
  }

  .mobile-action-bar a.mobile-action-primary {
    color: #fff;
    background: linear-gradient(135deg, #1a73e8, #0ea5e9);
  }

  .mobile-action-bar i {
    font-size: 1rem;
  }
}

/* ══════════════════════════════════════
   BRAND REFRESH — LOP HOC TUNI
══════════════════════════════════════ */

body.brand-refresh {
  --tuni-ink: #15231f;
  --tuni-deep: #203f3a;
  --tuni-teal: #1e8a7a;
  --tuni-coral: #ef704d;
  --tuni-amber: #f4bd3a;
  --tuni-leaf: #e6f4ed;
  --tuni-paper: #fbfdfb;
  --tuni-soft: #edf6f2;
  --tuni-muted: #66746f;
  --tuni-line: rgba(21,35,31,0.12);
  --tuni-shadow: 0 24px 70px rgba(21,35,31,0.12);
  margin: 0;
  color: var(--tuni-ink);
  background:
    linear-gradient(180deg, #f5fbf8 0%, #ffffff 36%, #f7faf8 100%);
  font-family: "Be Vietnam Pro", Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body.brand-refresh .announcement-marquee {
  color: #fff7df;
  background:
    linear-gradient(90deg, rgba(248,183,79,0.96) 0%, rgba(21,35,31,0.98) 9%, var(--tuni-deep) 50%, rgba(21,35,31,0.98) 91%, rgba(248,183,79,0.96) 100%);
  box-shadow: none;
}

body.brand-refresh .announcement-marquee a,
body.brand-refresh .announcement-marquee span {
  color: #fff7df !important;
  text-shadow: 0 1px 1px rgba(0,0,0,0.28);
}

body.brand-refresh .announcement-marquee::before {
  background: linear-gradient(90deg, rgba(248,183,79,0.96), rgba(248,183,79,0));
}

body.brand-refresh .announcement-marquee::after {
  background: linear-gradient(270deg, rgba(248,183,79,0.96), rgba(248,183,79,0));
}

body.brand-refresh #main-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(251,253,251,0.92);
  border-bottom: 1px solid var(--tuni-line);
  box-shadow: 0 10px 30px rgba(21,35,31,0.08);
  backdrop-filter: blur(18px);
}

body.brand-refresh #main-nav.scrolled {
  background: rgba(251,253,251,0.96);
}

body.brand-refresh .nav-inner {
  max-width: 1240px;
  height: 72px;
}

body.brand-refresh .nav-logo {
  color: var(--tuni-ink) !important;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.35rem;
  letter-spacing: 0;
}

body.brand-refresh .nav-links {
  height: 72px;
  gap: 0.25rem;
}

body.brand-refresh .nav-links a {
  height: auto;
  min-height: 42px;
  padding: 0 0.9rem;
  border-radius: 999px;
  color: var(--tuni-ink) !important;
  font-size: 0.93rem;
  font-weight: 800;
}

body.brand-refresh .nav-links a::after {
  display: none;
}

body.brand-refresh .nav-links a:hover {
  background: var(--tuni-soft);
}

body.brand-refresh .nav-links .dropdown {
  height: auto;
}

body.brand-refresh .nav-links .dropdown-content {
  top: 100%;
  border: 1px solid var(--tuni-line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--tuni-shadow);
}

body.brand-refresh .nav-links .dropdown:hover .dropdown-content,
body.brand-refresh .nav-links .dropdown:focus-within .dropdown-content,
body.brand-refresh .nav-links .dropdown.open .dropdown-content {
  display: block;
}

body.brand-refresh .nav-links .dropdown-content a {
  border: 0;
  border-radius: 12px;
  margin: 0.3rem;
  color: var(--tuni-ink) !important;
}

body.brand-refresh .nav-login {
  color: var(--tuni-ink) !important;
  border: 1px solid rgba(30,138,122,0.24);
  background: #fff;
  box-shadow: 0 10px 24px rgba(21,35,31,0.08);
}

body.brand-refresh .nav-cta {
  color: #fff !important;
  background: linear-gradient(135deg, var(--tuni-coral), #f49d52) !important;
  box-shadow: 0 14px 30px rgba(239,112,77,0.24);
}

body.brand-refresh.public-subpage .page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3.2rem, 6vw, 5.4rem) 1.5rem clamp(2.4rem, 4vw, 3.4rem);
  color: var(--tuni-ink);
  background:
    radial-gradient(circle at 16% 8%, rgba(244,189,58,0.22), transparent 30%),
    radial-gradient(circle at 88% 18%, rgba(30,138,122,0.16), transparent 32%),
    linear-gradient(135deg, rgba(230,244,237,0.92), rgba(255,255,255,0.72));
  border-bottom: 1px solid var(--tuni-line);
}

body.brand-refresh.public-subpage .page-hero::before {
  content: "";
  position: absolute;
  inset: 1.1rem clamp(1rem, 6vw, 4rem);
  border: 1px solid rgba(30,138,122,0.12);
  border-radius: 32px;
  background:
    repeating-linear-gradient(90deg, rgba(21,35,31,0.04) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(180deg, rgba(21,35,31,0.035) 0 1px, transparent 1px 92px);
  pointer-events: none;
}

body.brand-refresh.public-subpage .page-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

body.brand-refresh.public-subpage .page-hero h1 {
  margin: 0.8rem 0 0.7rem;
  color: var(--tuni-ink);
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2.55rem, 6vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

body.brand-refresh.public-subpage .page-hero p {
  max-width: 620px;
  margin: 0 auto;
  color: var(--tuni-muted);
  font-size: clamp(1rem, 1.6vw, 1.17rem);
  line-height: 1.7;
}

body.brand-refresh.public-subpage .page-content {
  max-width: 1240px;
  padding: clamp(2rem, 4vw, 3.2rem) 1.5rem 4rem;
}

body.brand-refresh.public-subpage .subpage-trust-strip,
body.brand-refresh.public-subpage .notice-quick-strip {
  max-width: 1240px;
  margin: -1.35rem auto 0;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  position: relative;
  z-index: 2;
}

body.brand-refresh.public-subpage .subpage-trust-strip > div,
body.brand-refresh.public-subpage .notice-quick-strip > div {
  min-height: 118px;
  padding: 1rem;
  border: 1px solid var(--tuni-line);
  border-radius: 24px;
  background: rgba(255,255,255,0.92);
  box-shadow: 0 18px 48px rgba(21,35,31,0.08);
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 0.78rem;
  align-items: start;
}

body.brand-refresh.public-subpage .subpage-trust-strip i,
body.brand-refresh.public-subpage .notice-quick-strip i {
  grid-row: span 2;
  width: 44px;
  height: 44px;
  border-radius: 16px;
  color: var(--tuni-teal);
  background: var(--tuni-leaf);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

body.brand-refresh.public-subpage .subpage-trust-strip strong,
body.brand-refresh.public-subpage .notice-quick-strip strong {
  color: var(--tuni-ink);
  font-weight: 900;
}

body.brand-refresh.public-subpage .subpage-trust-strip span,
body.brand-refresh.public-subpage .notice-quick-strip span {
  color: var(--tuni-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

body.brand-refresh.public-subpage .schedule-main-panel,
body.brand-refresh.public-subpage .schedule-side-panel,
body.brand-refresh.public-subpage .contact-block,
body.brand-refresh.public-subpage .notice-shell,
body.brand-refresh.public-subpage .tool-card,
body.brand-refresh.public-subpage .tool-guide-card {
  border: 1px solid var(--tuni-line);
  border-radius: 30px;
  background: #fff;
  box-shadow: var(--tuni-shadow);
}

body.brand-refresh.public-subpage .schedule-main-panel,
body.brand-refresh.public-subpage .schedule-side-panel {
  box-shadow: 0 20px 58px rgba(21,35,31,0.08);
}

body.brand-refresh.public-subpage .schedule-heading-row h2,
body.brand-refresh.public-subpage .schedule-side-panel h2,
body.brand-refresh.public-subpage .page-content .section h2,
body.brand-refresh.public-subpage .tool-guide-card h2 {
  color: var(--tuni-ink);
  font-family: "Fraunces", Georgia, serif;
  letter-spacing: 0;
}

body.brand-refresh.public-subpage .schedule-top-cta,
body.brand-refresh.public-subpage .schedule-card-action,
body.brand-refresh.public-subpage .schedule-side-button {
  background: var(--tuni-ink);
  box-shadow: 0 16px 34px rgba(21,35,31,0.16);
}

body.brand-refresh.public-subpage .schedule-filter-group {
  background: var(--tuni-soft);
}

body.brand-refresh.public-subpage .schedule-filter-group button.active,
body.brand-refresh.public-subpage .filter-btn.active,
body.brand-refresh.public-subpage .filter-btn:hover {
  color: #fff;
  background: var(--tuni-teal);
  border-color: var(--tuni-teal);
}

body.brand-refresh.public-subpage .schedule-status-pill.open,
body.brand-refresh.public-subpage .open-class-status {
  color: var(--tuni-deep);
  background: var(--tuni-leaf);
}

body.brand-refresh.public-subpage .contact-block {
  padding: 1.5rem;
}

body.brand-refresh.public-subpage .contact-block p,
body.brand-refresh.public-subpage .contact-block a {
  color: var(--tuni-muted);
}

body.brand-refresh.public-subpage .contact-block p i {
  color: var(--tuni-coral);
}

body.brand-refresh.public-subpage .notice-shell {
  padding: clamp(1.1rem, 2vw, 1.6rem);
}

body.brand-refresh.public-subpage .notice-filter {
  margin-bottom: 1.3rem !important;
  padding: 0.65rem;
  border-radius: 22px;
  background: var(--tuni-soft);
}

body.brand-refresh.public-subpage .filter-btn {
  border-color: transparent !important;
  color: var(--tuni-ink) !important;
  background: #fff !important;
  font-family: "Be Vietnam Pro", Inter, sans-serif !important;
  font-weight: 900;
}

body.brand-refresh.public-subpage .filter-btn.active,
body.brand-refresh.public-subpage .filter-btn:hover {
  color: #fff !important;
  background: var(--tuni-teal) !important;
}

body.brand-refresh.public-subpage .notice-list {
  gap: 0.85rem !important;
}

body.brand-refresh.public-subpage .notice-card {
  border: 1px solid var(--tuni-line) !important;
  border-left: 0 !important;
  border-radius: 24px !important;
  box-shadow: none !important;
  background: #fff !important;
}

body.brand-refresh.public-subpage .notice-card:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 18px 44px rgba(21,35,31,0.09) !important;
}

body.brand-refresh.public-subpage .notice-body h3 {
  color: var(--tuni-ink) !important;
  font-family: "Fraunces", Georgia, serif !important;
  letter-spacing: 0;
}

body.brand-refresh.public-subpage .notice-body p,
body.brand-refresh.public-subpage .notice-meta span {
  color: var(--tuni-muted) !important;
}

body.brand-refresh.public-subpage .tool-workspace {
  display: grid;
  grid-template-columns: minmax(260px, 0.38fr) minmax(0, 1fr);
  gap: 1.2rem;
  align-items: start;
}

body.brand-refresh.public-subpage .tool-guide-card {
  position: sticky;
  top: 92px;
  padding: 1.35rem;
}

body.brand-refresh.public-subpage .tool-guide-card h2 {
  margin: 0.85rem 0 1rem;
  font-size: 1.55rem;
  line-height: 1.05;
}

body.brand-refresh.public-subpage .tool-guide-card ol {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--tuni-muted);
  line-height: 1.72;
}

body.brand-refresh.public-subpage .tool-card {
  margin: 0;
  border-top: 0;
  padding: clamp(1.25rem, 2.4vw, 2rem);
}

body.brand-refresh.public-subpage .tool-workspace .contact-block {
  grid-column: 1 / -1;
}

body.brand-refresh.public-subpage .tool-card textarea,
body.brand-refresh.public-subpage .tool-card input[type="text"],
body.brand-refresh.public-subpage .tool-card input[type="number"],
body.brand-refresh.public-subpage .tool-card input[type="file"] {
  border-color: var(--tuni-line) !important;
  border-radius: 16px !important;
  font-family: "Be Vietnam Pro", Inter, sans-serif !important;
}

body.brand-refresh.public-subpage .tool-card button,
body.brand-refresh.public-subpage .timer-btn-start {
  border: 0 !important;
  border-radius: 999px !important;
  color: #fff !important;
  background: var(--tuni-ink) !important;
  box-shadow: 0 16px 34px rgba(21,35,31,0.18) !important;
  font-family: "Be Vietnam Pro", Inter, sans-serif !important;
  font-weight: 900 !important;
}

body.brand-refresh.public-subpage .timer-presets button {
  color: var(--tuni-ink) !important;
  background: var(--tuni-soft) !important;
  box-shadow: none !important;
}

body.brand-refresh.public-subpage .timer-clock {
  color: var(--tuni-teal) !important;
}

body.brand-refresh.public-subpage .random1-page .box {
  border: 1px solid var(--tuni-line);
  border-top: 0;
  border-radius: 24px;
  background: var(--tuni-paper);
}

body.brand-refresh .brand-hero-shell {
  position: relative;
  max-width: 1240px;
  min-height: auto;
  padding: clamp(3rem, 6vw, 5.5rem) 1.5rem 2.25rem;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.18fr);
  gap: clamp(2rem, 5vw, 4.5rem);
}

body.brand-refresh .brand-hero-shell::before {
  content: "";
  position: absolute;
  inset: 1.25rem 1.5rem auto;
  height: 72%;
  border: 1px solid rgba(30,138,122,0.1);
  border-radius: 36px;
  background:
    linear-gradient(135deg, rgba(230,244,237,0.75), rgba(255,255,255,0.38)),
    repeating-linear-gradient(90deg, rgba(21,35,31,0.045) 0 1px, transparent 1px 86px);
  z-index: -1;
}

body.brand-refresh .hero-copy-panel {
  padding-inline-start: clamp(1.15rem, 3.2vw, 2.7rem);
}

body.brand-refresh .hero-label,
body.brand-refresh .section-label {
  width: fit-content;
  padding: 0.42rem 0.7rem;
  border-radius: 999px;
  color: var(--tuni-coral);
  background: rgba(239,112,77,0.1);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

body.brand-refresh .hero-title,
body.brand-refresh .section-header h2,
body.brand-refresh .features-text h2,
body.brand-refresh .contact-info h2,
body.brand-refresh .parent-guide-heading h2,
body.brand-refresh .outcome-copy h2,
body.brand-refresh .footer-brand h3 {
  font-family: "Fraunces", Georgia, serif;
  letter-spacing: 0;
}

body.brand-refresh .hero-title {
  margin: 1rem 0 1.1rem;
  max-width: 610px;
  color: var(--tuni-ink);
  font-size: clamp(3.8rem, 8vw, 6.4rem);
  line-height: 0.9;
}

body.brand-refresh .hero-title span {
  color: var(--tuni-teal);
}

body.brand-refresh .hero-title span::after {
  bottom: 0.08em;
  height: 0.12em;
  background: var(--tuni-amber);
  opacity: 0.65;
}

body.brand-refresh .hero-sub {
  max-width: 560px;
  margin-bottom: 1.45rem;
  color: var(--tuni-muted);
  font-size: clamp(1.05rem, 1.7vw, 1.22rem);
  line-height: 1.75;
}

body.brand-refresh .btn-primary,
body.brand-refresh .btn-outline {
  min-height: 50px;
  border-radius: 999px;
  font-weight: 900;
}

body.brand-refresh .btn-primary {
  background: var(--tuni-ink);
  box-shadow: 0 18px 38px rgba(21,35,31,0.22);
}

body.brand-refresh .btn-primary:hover {
  background: var(--tuni-deep);
}

body.brand-refresh .btn-outline {
  color: var(--tuni-ink);
  border: 1.5px solid rgba(21,35,31,0.22);
  background: rgba(255,255,255,0.72);
}

body.brand-refresh .btn-outline:hover {
  color: var(--tuni-ink);
  background: var(--tuni-leaf);
}

body.brand-refresh .hero-trust-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 1.45rem;
}

body.brand-refresh .hero-trust-item {
  min-height: 98px;
  padding: 0.95rem;
  border-color: var(--tuni-line);
  border-radius: 22px;
  background: rgba(255,255,255,0.78);
  box-shadow: 0 16px 40px rgba(21,35,31,0.08);
}

body.brand-refresh .hero-trust-item strong {
  color: var(--tuni-ink);
  font-size: 0.96rem;
}

body.brand-refresh .hero-trust-item span {
  color: var(--tuni-muted);
  font-size: 0.82rem;
}

body.brand-refresh .hero-media-stack {
  position: relative;
}

body.brand-refresh .hero-visual-frame {
  position: relative;
  padding: 0.8rem;
  border: 1px solid var(--tuni-line);
  border-radius: 34px;
  background: #fff;
  box-shadow: var(--tuni-shadow);
}

body.brand-refresh .hero-image .swiper {
  aspect-ratio: 1.08 / 1;
  border-radius: 26px;
  background: var(--tuni-soft);
  box-shadow: none;
}

body.brand-refresh .hero-image .swiper-slide img {
  object-fit: cover;
  object-position: center;
}

body.brand-refresh .heroSwiper .swiper-button-next,
body.brand-refresh .heroSwiper .swiper-button-prev {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: #fff;
  background: rgba(21,35,31,0.72);
  backdrop-filter: blur(10px);
}

body.brand-refresh .heroSwiper .swiper-button-next::after,
body.brand-refresh .heroSwiper .swiper-button-prev::after {
  font-size: 1rem;
  font-weight: 900;
}

body.brand-refresh .heroSwiper .swiper-pagination-bullet {
  background: #fff;
  opacity: 0.7;
}

body.brand-refresh .heroSwiper .swiper-pagination-bullet-active {
  background: var(--tuni-amber);
  opacity: 1;
}

body.brand-refresh .hero-proof-strip {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

body.brand-refresh .hero-proof-item {
  padding: 1.1rem;
  border: 1px solid var(--tuni-line);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 18px 44px rgba(21,35,31,0.08);
}

body.brand-refresh .hero-proof-item span {
  color: var(--tuni-coral);
  font-weight: 900;
}

body.brand-refresh .hero-proof-item strong {
  display: block;
  margin: 0.28rem 0;
  color: var(--tuni-ink);
  font-size: 1.05rem;
}

body.brand-refresh .hero-proof-item p {
  margin: 0;
  color: var(--tuni-muted);
  line-height: 1.55;
}

body.brand-refresh .quick-value-section,
body.brand-refresh .home-open-classes,
body.brand-refresh .parent-guide-section,
body.brand-refresh .outcome-section,
body.brand-refresh .classes-section,
body.brand-refresh .testimonial-section {
  max-width: 1240px;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

body.brand-refresh .section-header {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

body.brand-refresh .section-header h2,
body.brand-refresh .features-text h2,
body.brand-refresh .parent-guide-heading h2,
body.brand-refresh .outcome-copy h2 {
  color: var(--tuni-ink);
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.02;
}

body.brand-refresh .section-header p,
body.brand-refresh .features-desc {
  color: var(--tuni-muted);
  line-height: 1.7;
}

body.brand-refresh .brand-principles {
  padding-top: 2rem;
}

body.brand-refresh .quick-value-grid,
body.brand-refresh .classes-grid,
body.brand-refresh .testimonial-grid {
  gap: 1rem;
}

body.brand-refresh .quick-value-item,
body.brand-refresh .class-card,
body.brand-refresh .testimonial-card,
body.brand-refresh .parent-guide-item,
body.brand-refresh .stat-card {
  border: 1px solid var(--tuni-line);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(21,35,31,0.08);
}

body.brand-refresh .quick-value-item {
  min-height: 184px;
  padding: 1.3rem;
}

body.brand-refresh .quick-value-item i,
body.brand-refresh .parent-guide-item i {
  color: var(--tuni-teal);
  background: var(--tuni-leaf);
}

body.brand-refresh .quick-value-item strong,
body.brand-refresh .class-info h3,
body.brand-refresh .testimonial-author strong,
body.brand-refresh .parent-guide-item strong {
  color: var(--tuni-ink);
}

body.brand-refresh .quick-value-item span,
body.brand-refresh .class-info p,
body.brand-refresh .testimonial-author span,
body.brand-refresh .parent-guide-item span,
body.brand-refresh .testimonial-quote {
  color: var(--tuni-muted);
}

body.brand-refresh .program-lanes {
  padding-top: 1.5rem;
}

body.brand-refresh .conversion-open-classes {
  position: relative;
}

body.brand-refresh .conversion-open-classes .section-header {
  margin-bottom: 1.6rem;
}

body.brand-refresh .home-open-list {
  gap: 0.75rem;
}

body.brand-refresh .open-class-table {
  padding: 0.65rem;
  border: 1px solid var(--tuni-line);
  border-radius: 32px;
  background: rgba(255,255,255,0.62);
  box-shadow: 0 24px 70px rgba(21,35,31,0.08);
}

body.brand-refresh .open-class-row {
  min-height: 118px;
  grid-template-columns: minmax(0, 1fr) auto auto;
  border-radius: 26px;
  border-color: var(--tuni-line);
  background: #fff;
  box-shadow: none;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

body.brand-refresh .open-class-row:hover {
  border-color: rgba(30,138,122,0.32);
  transform: translateY(-2px);
  box-shadow: 0 18px 44px rgba(21,35,31,0.1);
}

body.brand-refresh .open-class-subject {
  color: var(--tuni-teal);
  background: var(--tuni-leaf);
}

body.brand-refresh .open-class-row strong {
  color: var(--tuni-ink);
  font-size: 1.14rem;
}

body.brand-refresh .open-class-meta,
body.brand-refresh .open-class-meta i {
  color: var(--tuni-muted);
}

body.brand-refresh .open-class-status {
  color: var(--tuni-deep);
  background: var(--tuni-leaf);
}

body.brand-refresh .open-class-row:nth-child(3) .open-class-status {
  color: #8a3f25;
  background: rgba(239,112,77,0.12);
}

body.brand-refresh .open-class-action {
  background: var(--tuni-ink);
  box-shadow: none;
  white-space: nowrap;
}

body.brand-refresh .parent-assurance-section {
  max-width: 1240px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 0;
}

body.brand-refresh .assurance-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

body.brand-refresh .assurance-card {
  min-height: 210px;
  padding: 1.25rem;
  border: 1px solid var(--tuni-line);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.96), rgba(246,251,248,0.88));
  box-shadow: 0 18px 48px rgba(21,35,31,0.08);
}

body.brand-refresh .assurance-card i {
  width: 44px;
  height: 44px;
  margin-bottom: 1rem;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--tuni-teal);
  background: var(--tuni-leaf);
  font-size: 1.05rem;
}

body.brand-refresh .assurance-card strong {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--tuni-ink);
  font-size: 1.05rem;
}

body.brand-refresh .assurance-card span {
  color: var(--tuni-muted);
  line-height: 1.62;
  font-size: 0.92rem;
}

body.brand-refresh .learning-rhythm-section {
  max-width: none;
  margin: 0;
  padding: 4rem 1.5rem;
  background: var(--tuni-ink);
}

body.brand-refresh .parent-guide-card {
  max-width: 1240px;
  margin: 0 auto;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.45fr);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 34px;
  background: linear-gradient(135deg, #203f3a, #15231f);
  box-shadow: 0 30px 80px rgba(21,35,31,0.2);
}

body.brand-refresh .parent-guide-heading h2,
body.brand-refresh .parent-guide-heading p {
  color: #fff;
}

body.brand-refresh .parent-guide-heading p {
  color: rgba(255,255,255,0.68);
}

body.brand-refresh .parent-guide-item {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.12);
  box-shadow: none;
}

body.brand-refresh .parent-guide-item strong {
  color: #fff;
}

body.brand-refresh .parent-guide-item span {
  color: rgba(255,255,255,0.68);
}

body.brand-refresh .classes-section {
  padding-top: 4.5rem;
}

body.brand-refresh .class-card {
  overflow: hidden;
}

body.brand-refresh .class-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 28px 70px rgba(21,35,31,0.13);
}

body.brand-refresh .class-img {
  background: var(--tuni-soft);
}

body.brand-refresh .class-tag {
  color: var(--tuni-teal);
  background: var(--tuni-leaf);
}

body.brand-refresh .class-card--cta {
  background: var(--tuni-deep);
}

body.brand-refresh .class-cta-inner i {
  color: var(--tuni-amber);
}

body.brand-refresh .features-section {
  background: linear-gradient(135deg, #f2faf6, #ffffff);
}

body.brand-refresh .features-inner {
  max-width: 1240px;
}

body.brand-refresh .features-list li {
  color: var(--tuni-ink);
}

body.brand-refresh .features-list li i {
  color: var(--tuni-coral);
}

body.brand-refresh .stat-card {
  border-top: 0;
}

body.brand-refresh .stat-num {
  color: var(--tuni-teal);
}

body.brand-refresh .outcome-section {
  margin: 0 auto;
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

body.brand-refresh .outcome-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: center;
  padding: clamp(1.4rem, 3vw, 2rem);
  border: 1px solid var(--tuni-line);
  border-radius: 34px;
  background: #fff;
  box-shadow: var(--tuni-shadow);
}

body.brand-refresh .outcome-copy p {
  color: var(--tuni-muted);
  line-height: 1.75;
}

body.brand-refresh .outcome-board {
  display: grid;
  gap: 0.7rem;
}

body.brand-refresh .outcome-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border-radius: 22px;
  color: var(--tuni-ink);
  background: var(--tuni-soft);
}

body.brand-refresh .outcome-row span {
  color: var(--tuni-muted);
  font-weight: 800;
}

body.brand-refresh .outcome-row strong {
  text-align: right;
}

body.brand-refresh .contact-section,
body.brand-refresh .site-footer {
  background: var(--tuni-ink);
}

body.brand-refresh .contact-inner,
body.brand-refresh .footer-inner,
body.brand-refresh .footer-bottom {
  max-width: 1240px;
}

body.brand-refresh .contact-form-wrap {
  border-radius: 30px;
  box-shadow: 0 28px 80px rgba(0,0,0,0.22);
}

body.brand-refresh .contact-form h3 {
  color: var(--tuni-ink);
}

body.brand-refresh .form-fast-note {
  margin: -0.2rem 0 1rem;
  color: var(--tuni-muted);
  line-height: 1.6;
}

body.brand-refresh .contact-form input:focus,
body.brand-refresh .contact-form select:focus {
  border-color: var(--tuni-teal);
  box-shadow: 0 0 0 4px rgba(30,138,122,0.14);
}

body.brand-refresh .testimonial-card {
  border-left: 0;
}

body.brand-refresh .testimonial-stars {
  color: var(--tuni-amber);
}

body.brand-refresh .author-avatar {
  background: linear-gradient(135deg, var(--tuni-teal), var(--tuni-coral));
}

body.brand-refresh .social-btn {
  box-shadow: 0 16px 40px rgba(21,35,31,0.2);
}

body.brand-refresh #dark-toggle {
  background: var(--tuni-ink);
}

body.dark-mode.brand-refresh {
  color: #e6f4ed;
  background: #101815;
}

body.dark-mode.brand-refresh #main-nav,
body.dark-mode.brand-refresh .hero-proof-item,
body.dark-mode.brand-refresh .quick-value-item,
body.dark-mode.brand-refresh .open-class-row,
body.dark-mode.brand-refresh .class-card,
body.dark-mode.brand-refresh .testimonial-card,
body.dark-mode.brand-refresh .outcome-inner,
body.dark-mode.brand-refresh .hero-visual-frame {
  background: #17221f;
  border-color: rgba(255,255,255,0.1);
}

body.dark-mode.brand-refresh .nav-logo,
body.dark-mode.brand-refresh .nav-links a,
body.dark-mode.brand-refresh .hero-title,
body.dark-mode.brand-refresh .quick-value-item strong,
body.dark-mode.brand-refresh .open-class-row strong,
body.dark-mode.brand-refresh .class-info h3,
body.dark-mode.brand-refresh .section-header h2,
body.dark-mode.brand-refresh .outcome-copy h2,
body.dark-mode.brand-refresh .outcome-row strong {
  color: #f5fbf8 !important;
}

body.dark-mode.brand-refresh .hero-sub,
body.dark-mode.brand-refresh .quick-value-item span,
body.dark-mode.brand-refresh .section-header p,
body.dark-mode.brand-refresh .class-info p,
body.dark-mode.brand-refresh .outcome-copy p,
body.dark-mode.brand-refresh .hero-proof-item p {
  color: #a8b8b2;
}

body.dark-mode.brand-refresh .outcome-row {
  background: #20302b;
}

body.dark-mode.brand-refresh .open-class-table,
body.dark-mode.brand-refresh .assurance-card,
body.dark-mode.brand-refresh.public-subpage .subpage-trust-strip > div,
body.dark-mode.brand-refresh.public-subpage .notice-quick-strip > div,
body.dark-mode.brand-refresh.public-subpage .schedule-main-panel,
body.dark-mode.brand-refresh.public-subpage .schedule-side-panel,
body.dark-mode.brand-refresh.public-subpage .contact-block,
body.dark-mode.brand-refresh.public-subpage .notice-shell,
body.dark-mode.brand-refresh.public-subpage .tool-card,
body.dark-mode.brand-refresh.public-subpage .tool-guide-card,
body.dark-mode.brand-refresh.public-subpage .notice-card {
  background: #17221f;
  border-color: rgba(255,255,255,0.1);
}

body.dark-mode.brand-refresh .assurance-card strong,
body.dark-mode.brand-refresh.public-subpage .subpage-trust-strip strong,
body.dark-mode.brand-refresh.public-subpage .notice-quick-strip strong,
body.dark-mode.brand-refresh.public-subpage .schedule-heading-row h2,
body.dark-mode.brand-refresh.public-subpage .schedule-side-panel h2,
body.dark-mode.brand-refresh.public-subpage .tool-guide-card h2,
body.dark-mode.brand-refresh.public-subpage .notice-body h3 {
  color: #f5fbf8;
}

body.dark-mode.brand-refresh .assurance-card span,
body.dark-mode.brand-refresh .form-fast-note,
body.dark-mode.brand-refresh.public-subpage .subpage-trust-strip span,
body.dark-mode.brand-refresh.public-subpage .notice-quick-strip span,
body.dark-mode.brand-refresh.public-subpage .schedule-summary,
body.dark-mode.brand-refresh.public-subpage .tool-guide-card ol,
body.dark-mode.brand-refresh.public-subpage .notice-body p,
body.dark-mode.brand-refresh.public-subpage .notice-meta span {
  color: #a8b8b2;
}

@media (max-width: 980px) {
  body.brand-refresh .brand-hero-shell,
  body.brand-refresh .features-inner,
  body.brand-refresh .contact-inner,
  body.brand-refresh .outcome-inner {
    grid-template-columns: 1fr;
  }

  body.brand-refresh .hero-proof-strip,
  body.brand-refresh .quick-value-grid,
  body.brand-refresh .classes-grid,
  body.brand-refresh .testimonial-grid,
  body.brand-refresh .parent-guide-grid,
  body.brand-refresh .assurance-grid {
    grid-template-columns: 1fr;
  }

  body.brand-refresh .parent-guide-card {
    grid-template-columns: 1fr;
  }

  body.brand-refresh.public-subpage .subpage-trust-strip,
  body.brand-refresh.public-subpage .notice-quick-strip,
  body.brand-refresh.public-subpage .tool-workspace {
    grid-template-columns: 1fr;
  }

  body.brand-refresh.public-subpage .tool-guide-card {
    position: static;
  }
}

@media (max-width: 720px) {
  body.brand-refresh {
    padding-bottom: 88px;
  }

  body.brand-refresh .nav-inner {
    height: 58px;
  }

  body.brand-refresh .mobile-header-login {
    color: var(--tuni-ink);
    background: #fff;
  }

  body.brand-refresh .brand-hero-shell {
    padding: 1.3rem 1rem 1.75rem;
    gap: 1.35rem;
  }

  body.brand-refresh.public-subpage .page-hero {
    padding: 2.1rem 1rem 2rem;
  }

  body.brand-refresh.public-subpage .page-hero::before {
    inset: 0.65rem;
    border-radius: 24px;
  }

  body.brand-refresh.public-subpage .page-hero h1 {
    font-size: clamp(2.35rem, 12vw, 3.25rem);
  }

  body.brand-refresh.public-subpage .page-content,
  body.brand-refresh.public-subpage .subpage-trust-strip,
  body.brand-refresh.public-subpage .notice-quick-strip {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  body.brand-refresh.public-subpage .subpage-trust-strip,
  body.brand-refresh.public-subpage .notice-quick-strip {
    margin-top: -0.8rem;
  }

  body.brand-refresh.public-subpage .subpage-trust-strip > div,
  body.brand-refresh.public-subpage .notice-quick-strip > div {
    min-height: auto;
  }

  body.brand-refresh.public-subpage .schedule-toolbar {
    grid-template-columns: 1fr;
  }

  body.brand-refresh.public-subpage .schedule-heading-row {
    display: grid;
  }

  body.brand-refresh.public-subpage .schedule-top-cta {
    width: 100%;
  }

  body.brand-refresh.public-subpage .notice-card {
    padding: 1rem !important;
  }

  body.brand-refresh .hero-copy-panel {
    padding-inline-start: 0.55rem;
    padding-inline-end: 0.35rem;
  }

  body.brand-refresh .brand-hero-shell::before {
    inset: 0.65rem 0.75rem auto;
    height: 55%;
    border-radius: 24px;
  }

  body.brand-refresh .hero-title {
    font-size: clamp(3.15rem, 16vw, 4.3rem);
  }

  body.brand-refresh .hero-sub {
    font-size: 1rem;
  }

  body.brand-refresh .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  body.brand-refresh .hero-actions .btn-outline {
    display: inline-flex !important;
  }

  body.brand-refresh .hero-trust-row,
  body.brand-refresh .hero-proof-strip {
    grid-template-columns: 1fr;
  }

  body.brand-refresh .hero-trust-item {
    min-height: auto;
  }

  body.brand-refresh .hero-image .swiper {
    aspect-ratio: 4 / 3;
  }

  body.brand-refresh .hero-proof-strip,
  body.brand-refresh .quick-value-section,
  body.brand-refresh .home-open-classes,
  body.brand-refresh .parent-guide-section,
  body.brand-refresh .parent-assurance-section,
  body.brand-refresh .outcome-section,
  body.brand-refresh .classes-section,
  body.brand-refresh .testimonial-section {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  body.brand-refresh .learning-rhythm-section {
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
  }

  body.brand-refresh .parent-guide-card,
  body.brand-refresh .outcome-inner {
    border-radius: 24px;
  }

  body.brand-refresh .open-class-row {
    grid-template-columns: 1fr;
  }

  body.brand-refresh .open-class-table {
    padding: 0.5rem;
    border-radius: 24px;
  }

  body.brand-refresh .assurance-card {
    min-height: auto;
  }

  body.brand-refresh .outcome-row {
    display: grid;
    gap: 0.25rem;
  }

  body.brand-refresh .outcome-row strong {
    text-align: left;
  }

  body.brand-refresh #main-nav .nav-links.mobile-menu-panel {
    background: rgba(255,255,255,0.98);
  }
}