:root{
  --radius: 26px;

  --l-bg: #f4fbf6;
  --l-bg2:#eef9f1;
  --l-card:#ffffff;
  --l-text:#102218;
  --l-muted:#5f7667;
  --l-stroke: rgba(16,34,24,.10);
  --l-shadow: 0 18px 60px rgba(16,34,24,.08);

  --d-bg:#07110b;
  --d-bg2:#0a1610;
  --d-card: rgba(10,22,16,.72);
  --d-text:#ecfff1;
  --d-muted: rgba(236,255,241,.72);
  --d-stroke: rgba(255,255,255,.10);
  --d-shadow: 0 22px 90px rgba(0,0,0,.42);

  --green:#22c55e;
  --green2:#16a34a;
  --green3:#4ade80;
  --mint:#86efac;
  --gold:#fbbf24;
}

*{ box-sizing:border-box; }
html, body{ height:100%; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  overflow-x:hidden;
}

body.theme-light{
  color: var(--l-text);
  background:
    radial-gradient(700px 400px at 20% 20%, rgba(34,197,94,.08), transparent 55%),
    radial-gradient(700px 400px at 80% 70%, rgba(74,222,128,.08), transparent 55%),
    linear-gradient(180deg, var(--l-bg), var(--l-bg2));
}

body.theme-dark{
  color: var(--d-text);
  background:
    radial-gradient(700px 420px at 20% 20%, rgba(34,197,94,.10), transparent 55%),
    radial-gradient(700px 420px at 80% 70%, rgba(74,222,128,.08), transparent 55%),
    linear-gradient(180deg, var(--d-bg), var(--d-bg2));
}

.ui{ position: relative; z-index: 3; }
.container{ width: min(1220px, 92vw); margin:0 auto; }

/* background */
.bgDecor{
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events:none;
  overflow:hidden;
}

body.theme-light .bgDecor::before,
body.theme-light .bgDecor::after,
body.theme-dark .bgDecor::before,
body.theme-dark .bgDecor::after{
  display:none;
}

/* floating math symbols */
.mathFloat{
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.mathSymbol{
  position: absolute;
  font-weight: 900;
  user-select: none;
  opacity: .12;
  transition: transform .15s linear;
  line-height: 1;
}

body.theme-light .mathSymbol{ color: rgba(22,163,74,.34); }
body.theme-dark .mathSymbol{ color: rgba(134,239,172,.20); }

.mathSymbol.s1{ top: 14%; left: 8%; font-size: 34px; }
.mathSymbol.s2{ top: 24%; right: 10%; font-size: 40px; }
.mathSymbol.s3{ top: 46%; left: 12%; font-size: 28px; }
.mathSymbol.s4{ top: 60%; right: 14%; font-size: 36px; }
.mathSymbol.s5{ top: 76%; left: 22%; font-size: 30px; }
.mathSymbol.s6{ top: 82%; right: 24%; font-size: 42px; }

/* header */
.header{
  position: sticky;
  top: 0;
  z-index: 50;
}

body.theme-light .header{
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(244,251,246,.92), rgba(244,251,246,.66));
  border-bottom: 1px solid rgba(16,34,24,.06);
}

body.theme-dark .header{
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(7,17,11,.82), rgba(7,17,11,.45));
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.headerInner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  font-weight: 900;
  text-decoration:none;
  white-space: nowrap;
}

.brandLogo{
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 12px;
}

.brandText{
  font-size: 18px;
  font-weight: 1000;
  letter-spacing: -0.3px;
}

body.theme-light .brandText{ color: #166534; }
body.theme-dark .brandText{
  background: linear-gradient(90deg, #86efac, #4ade80, #22c55e);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav{
  display:flex;
  align-items:center;
  gap: 10px;
  font-size: 14px;
}

body.theme-light .nav{ color: #5f7667; }
body.theme-dark .nav{ color: rgba(236,255,241,.72); }

.nav a{
  color: inherit;
  text-decoration:none;
  padding: 8px 10px;
  border-radius: 999px;
}

body.theme-light .nav a:hover{ background: rgba(16,34,24,.05); color: #102218; }
body.theme-dark .nav a:hover{ background: rgba(255,255,255,.06); color: #ecfff1; }

.headerActions{ display:flex; align-items:center; gap:10px; }

.btn{
  height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(16,34,24,.10);
  background: rgba(255,255,255,.84);
  color: inherit;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size: 14px;
  box-shadow: 0 10px 30px rgba(16,34,24,.06);
  transition: .18s ease;
  cursor:pointer;
  white-space: nowrap;
}

body.theme-dark .btn{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(10,22,16,.60);
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}

.btn:hover{ transform: translateY(-1px); }

.btnPrimary{
  border: 1px solid rgba(34,197,94,.22);
  background: linear-gradient(90deg, var(--green), var(--green2));
  color: white;
}

body.theme-dark .btnPrimary{
  border: 1px solid rgba(134,239,172,.20);
  background: linear-gradient(90deg, var(--green3), var(--green2));
}

.themeToggle{
  width: 46px;
  padding: 0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight: 900;
}

.burger{
  width: 46px;
  padding:0;
  font-weight: 900;
  display:none;
}

@media(max-width: 980px){
  .nav{ display:none; }
  .burger{ display:inline-flex; }
}

.mobileSheet{
  position: fixed;
  inset: 0;
  z-index: 80;
  display:flex;
  align-items:flex-start;
  justify-content:center;
  padding: 16px;
}

.mobileSheetBackdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(6px);
}

.mobileSheetPanel{
  position: relative;
  width: min(520px, 94vw);
  border-radius: 24px;
  padding: 14px;
  margin-top: 64px;
}

body.theme-light .mobileSheetPanel{
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(16,34,24,.10);
  box-shadow: var(--l-shadow);
}

body.theme-dark .mobileSheetPanel{
  background: rgba(10,22,16,.78);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--d-shadow);
}

.mobileNav{
  display:grid;
  gap: 10px;
  padding: 10px;
}

.mobileNav a{
  padding: 12px 14px;
  border-radius: 16px;
  text-decoration:none;
  color: inherit;
}

body.theme-light .mobileNav a{
  background: rgba(16,34,24,.03);
  border:1px solid rgba(16,34,24,.06);
}

body.theme-dark .mobileNav a{
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
}

.mobileActions{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px;
}

@media(max-width: 420px){
  .mobileActions{ grid-template-columns: 1fr; }
}

/* hero */
.hero{
  padding: 58px 0 18px;
  position: relative;
}

.heroInner{
  display:flex;
  flex-direction: column;
  align-items:center;
  justify-content:center;
  text-align:center;
  gap: 24px;
}

.teacherCard{
  border-radius: 30px;
  padding: 18px;
  position: relative;
  overflow:hidden;
  width: min(420px, 92vw);
  margin: 0 auto;
}

body.theme-light .teacherCard{
  background: rgba(255,255,255,.90);
  border: 1px solid var(--l-stroke);
  box-shadow: var(--l-shadow);
}

body.theme-dark .teacherCard{
  background: rgba(10,22,16,.62);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--d-shadow);
}

.teacherCard::before{
  content:"";
  position:absolute;
  inset:-50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(34,197,94,.18), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(134,239,172,.18), transparent 55%);
  filter: blur(18px);
  opacity:.8;
}

.teacherImgWrap{
  position: relative;
  border-radius: 24px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
}

.teacherImg{
  width: 100%;
  height: min(460px, 58vh);
  object-fit: cover;
  display:block;
}

.teacherEntrance{
  opacity: 0;
  transform: translateY(70px);
  animation: teacherUp 1.1s cubic-bezier(.2,.9,.2,1) forwards;
  animation-delay: .15s;
}

@keyframes teacherUp{
  0%{ opacity:0; transform: translateY(80px) scale(.98); }
  65%{ opacity:1; transform: translateY(-8px) scale(1.01); }
  100%{ opacity:1; transform: translateY(0) scale(1); }
}

.centerBrandTitle{
  margin: 0;
  font-size: 36px;
  font-weight: 1000;
  letter-spacing: -.5px;
}

body.theme-light .centerBrandTitle{ color: #166534; }
body.theme-dark .centerBrandTitle{ color: #dcfce7; }

.heroSubline{
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.9;
  max-width: 62ch;
  font-weight: 700;
}

body.theme-light .heroSubline{ color: rgba(16,34,24,.62); }
body.theme-dark .heroSubline{ color: rgba(236,255,241,.70); }

.greenLineWrap{
  width: min(340px, 80vw);
  margin: 16px auto 0;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
}

body.theme-light .greenLineWrap{ background: rgba(34,197,94,.12); }
body.theme-dark .greenLineWrap{ background: rgba(255,255,255,.08); }

.greenLine{
  display:block;
  width: 42%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--mint), var(--green2));
  animation: greenMove 2.4s ease-in-out infinite;
}

@keyframes greenMove{
  0%{ transform: translateX(-20%); }
  50%{ transform: translateX(180%); }
  100%{ transform: translateX(-20%); }
}

.heroActions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content:center;
  margin-top: 14px;
}

@media(max-width: 520px){
  .heroActions{
    display:grid;
    grid-template-columns: 1fr;
    width: 100%;
  }
  .heroActions .btn{ width: 100%; }
}

/* section */
.section{ padding: 42px 0 70px; position: relative; }

.sectionTitle{
  text-align:center;
  margin-bottom: 26px;
}

.sectionTitle h2{
  position: relative;
  display: inline-block;
  margin:0;
  font-size: 42px;
  letter-spacing:-0.4px;
  padding-bottom: 18px;
  transform-origin: center;
}

.sectionTitle h2::before,
.sectionTitle h2::after{
  content:"";
  position:absolute;
  left:50%;
  bottom: 2px;
  transform: translateX(-50%);
  border-radius:999px;
}

.sectionTitle h2::before{
  width: min(220px, 72%);
  height: 14px;
  opacity: .45;
  filter: blur(10px);
}

.sectionTitle h2::after{
  width: min(220px, 72%);
  height: 8px;
  opacity: .95;
}

body.theme-light .sectionTitle h2::before,
body.theme-light .sectionTitle h2::after{
  background: linear-gradient(90deg, var(--green), var(--green2));
}

body.theme-dark .sectionTitle h2::before,
body.theme-dark .sectionTitle h2::after{
  background: linear-gradient(90deg, var(--green3), var(--mint), var(--green2));
}

.sectionTitle p{
  margin: 10px auto 0;
  max-width: 62ch;
  line-height: 1.8;
}

body.theme-light .sectionTitle p{ color: var(--l-muted); }
body.theme-dark .sectionTitle p{ color: var(--d-muted); }

/* subjects */
.subjectsGrid{
  display:grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  align-items: stretch;
}

@media(max-width: 1200px){
  .subjectsGrid{ grid-template-columns: repeat(3, 1fr); }
}

@media(max-width: 820px){
  .subjectsGrid{ grid-template-columns: repeat(2, 1fr); }
}

@media(max-width: 560px){
  .subjectsGrid{ grid-template-columns: 1fr; }
}

.subjectCard{
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  padding: 0;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease;
}

.subjectCard:hover{ transform: translateY(-6px); }

body.theme-light .subjectCard{
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(0,0,0,.08);
  box-shadow: 0 16px 45px rgba(0,0,0,.08);
}

body.theme-dark .subjectCard{
  background: rgba(12,24,17,.70);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 18px 55px rgba(0,0,0,.35);
}

.subjectImageWrap{
  position: relative;
  height: 200px;
  overflow: hidden;
}

.subjectImage{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.subjectCard:hover .subjectImage{
  transform: scale(1.06);
}

.subjectImageOverlay{
  position:absolute;
  inset:0;
  background: linear-gradient(to bottom, rgba(0,0,0,.12), rgba(0,0,0,.58));
}

.subjectContent{
  padding: 22px;
  text-align: right;
  display:flex;
  flex-direction:column;
  height:100%;
}

.subjectTop{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.subjectMiniIcon{
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 18px;
  font-weight: 900;
  flex: 0 0 auto;
}

body.theme-light .subjectMiniIcon{
  background: rgba(34,197,94,.10);
  border: 1px solid rgba(34,197,94,.14);
  color: #15803d;
}

body.theme-dark .subjectMiniIcon{
  background: rgba(134,239,172,.08);
  border: 1px solid rgba(134,239,172,.14);
  color: #bbf7d0;
}

.subjectTitle{
  font-size: 19px;
  font-weight: 1000;
  margin: 0 0 6px;
}

body.theme-light .subjectTitle{ color:#166534; }
body.theme-dark .subjectTitle{ color:#bbf7d0; }

.subjectGrade{
  font-size: 14px;
  opacity: .75;
  margin: 0 0 16px;
}

.subjectPills{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0 0 18px;
}

.subjectPill{
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  opacity:.95;
}

body.theme-light .subjectPill{
  border: 1px solid rgba(16,34,24,.10);
  background: rgba(16,34,24,.03);
}

body.theme-dark .subjectPill{
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
}

.subjectBtn{
  width: 100%;
  padding: 14px;
  border-radius: 14px;
  border: none;
  cursor: pointer;
  font-weight: 800;
  font-size: 14px;
  transition: .2s ease;
  text-decoration: none;
  text-align: center;
  margin-top:auto;
}

.subjectBtn:hover{ transform: translateY(-1px); }

body.theme-light .subjectBtn{
  background: linear-gradient(90deg, var(--green), var(--green2));
  color:white;
}

body.theme-dark .subjectBtn{
  background: linear-gradient(90deg, var(--green3), var(--green2));
  color:white;
}

/* features */
.featureGrid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

@media(max-width: 980px){
  .featureGrid{ grid-template-columns: 1fr; }
}

.featureCard{
  border-radius: var(--radius);
  padding: 18px;
  position: relative;
  overflow:hidden;
  min-height: 118px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

body.theme-light .featureCard{
  background: #ffffff;
  border: 1px solid rgba(16,34,24,.10);
  box-shadow: 0 18px 55px rgba(16,34,24,.10);
}

body.theme-dark .featureCard{
  background: rgba(10,22,16,.60);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 22px 85px rgba(0,0,0,.45);
}

.featureCard:hover{
  transform: translateY(-4px);
  border-color: rgba(34,197,94,.22);
}

.featureRow{
  display:flex;
  flex-direction: row-reverse;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
}

.featureText{
  flex: 1;
  min-width: 0;
  text-align: right;
}

.featureTitle{
  margin:0 0 6px;
  font-size: 16px;
  font-weight: 950;
}

.featureDesc{
  margin:0;
  font-size: 13px;
  line-height: 1.75;
}

body.theme-light .featureDesc{ color: rgba(16,34,24,.62); }
body.theme-dark .featureDesc{ color: rgba(236,255,241,.70); }

.featureIconWrap{
  width: 54px;
  height: 54px;
  border-radius: 18px;
  flex: 0 0 auto;
  display:flex;
  align-items:center;
  justify-content:center;
}

.featureIcon{
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight: 900;
  font-size: 20px;
  animation: iconPulse 3.4s ease-in-out infinite;
}

body.theme-light .featureIcon{
  background: rgba(34,197,94,.08);
  border: 1px solid rgba(34,197,94,.16);
  box-shadow: 0 12px 28px rgba(34,197,94,.12);
}

body.theme-dark .featureIcon{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow:
    0 0 0 2px rgba(134,239,172,.08),
    0 0 22px rgba(134,239,172,.12);
}

@keyframes iconPulse{
  0%, 100%{ transform: translateY(0) scale(1); filter: brightness(1); }
  50%{ transform: translateY(-2px) scale(1.03); filter: brightness(1.06); }
}

/* footer */
.footer{
  position: relative;
  padding: 54px 0 26px;
}

body.theme-light .footer{
  background: rgba(255,255,255,.55);
  border-top: 1px solid rgba(16,34,24,.06);
}

body.theme-dark .footer{
  background: linear-gradient(180deg, rgba(7,17,11,.2), rgba(7,17,11,.85));
  border-top: 1px solid rgba(255,255,255,.06);
}

.footerGrid{
  display:grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 20px;
  align-items: start;
}

@media(max-width: 980px){
  .footerGrid{ grid-template-columns: 1fr; }
}

.footerCol h4{
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 900;
}

body.theme-light .footerCol h4{ color: rgba(16,34,24,.85); }
body.theme-dark .footerCol h4{ color: rgba(236,255,241,.90); }

.footerLinks{
  display:grid;
  gap: 10px;
  font-size: 13px;
}

.footerLinks a{
  text-decoration:none;
  color: inherit;
  opacity:.85;
}

.footerLinks a:hover{ opacity:1; }

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

.footerBrand .logo{
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight: 900;
}

body.theme-light .footerBrand .logo{
  background: rgba(34,197,94,.10);
  border: 1px solid rgba(34,197,94,.18);
  color: #15803d;
}

body.theme-dark .footerBrand .logo{
  background: rgba(134,239,172,.10);
  border: 1px solid rgba(134,239,172,.18);
  color: #bbf7d0;
}

.footerBrand p{
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.8;
}

body.theme-light .footerBrand p{ color: rgba(16,34,24,.62); }
body.theme-dark .footerBrand p{ color: rgba(236,255,241,.70); }

.socialRow{
  display:flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.socialBtn{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
}

body.theme-light .socialBtn{
  background: rgba(16,34,24,.04);
  border: 1px solid rgba(16,34,24,.10);
  color: rgba(16,34,24,.75);
}

body.theme-dark .socialBtn{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.10);
  color: rgba(236,255,241,.85);
}

.socialBtn:hover{ transform: translateY(-1px); }

.copyright{
  margin-top: 28px;
  font-size: 12px;
  opacity:.75;
  text-align:center;
}

/* loading */
.loadingOverlay{
  position: fixed;
  inset: 0;
  z-index: 9999;
  display:flex;
  align-items:center;
  justify-content:center;
}

body.theme-light .loadingOverlay{
  background:
    radial-gradient(700px 400px at 20% 20%, rgba(34,197,94,.08), transparent 55%),
    radial-gradient(700px 400px at 80% 70%, rgba(74,222,128,.08), transparent 55%),
    linear-gradient(180deg, var(--l-bg), var(--l-bg2));
}

body.theme-dark .loadingOverlay{
  background:
    radial-gradient(700px 420px at 20% 20%, rgba(34,197,94,.10), transparent 55%),
    radial-gradient(700px 420px at 80% 70%, rgba(74,222,128,.08), transparent 55%),
    linear-gradient(180deg, var(--d-bg), var(--d-bg2));
}

.loadingBox{
  width: min(520px, 92vw);
  border-radius: 28px;
  padding: 24px 20px;
  text-align:center;
  backdrop-filter: blur(14px);
}

body.theme-light .loadingBox{
  background: rgba(255,255,255,.88);
  border: 1px solid rgba(16,34,24,.10);
  box-shadow: var(--l-shadow);
}

body.theme-dark .loadingBox{
  background: rgba(10,22,16,.62);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--d-shadow);
}

.loadingLine{
  height: 10px;
  border-radius: 999px;
  overflow:hidden;
  margin: 12px auto 16px;
  width: min(360px, 86%);
}

body.theme-light .loadingLine{ background: rgba(34,197,94,.12); }
body.theme-dark .loadingLine{ background: rgba(255,255,255,.08); }

.loadingLine span{
  display:block;
  height: 100%;
  width: 45%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--mint), var(--green2));
  animation: move 1.05s ease-in-out infinite;
}

@keyframes move{
  0%{ transform: translateX(-20%); }
  100%{ transform: translateX(140%); }
}

.loadingTitle{
  margin:0;
  font-size: 26px;
  font-weight: 900;
}

body.theme-light .loadingTitle{ color:#166534; }
body.theme-dark .loadingTitle{ color:#bbf7d0; }

.loadingSub{
  margin: 6px 0 0;
  font-size: 13px;
  opacity:.75;
}

.loadingHide{ animation: fadeOut .35s ease forwards; }

@keyframes fadeOut{
  to{ opacity:0; transform: scale(.98); }
}

/* reveal */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .75s ease, transform .75s ease;
  will-change: opacity, transform;
}

.reveal.show{
  opacity: 1;
  transform: translateY(0);
}

/* mobile */
@media(max-width: 767.98px){
  .header .headerActions > a.btn,
  .header .headerActions > a.btn.btnPrimary{
    display: none !important;
  }

  .header .headerInner{
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
  }

  .header .headerActions{
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
  }

  html, body{
    overflow-x: hidden !important;
    max-width: 100% !important;
  }

  .ui, .container, .header, main, section, footer{
    max-width: 100% !important;
  }

  .teacherImg{
    height: 360px;
  }

  .centerBrandTitle{
    font-size: 28px;
  }

  .sectionTitle h2{
    font-size: 32px;
  }
}

@media (prefers-reduced-motion: reduce){
  *,
  *::before,
  *::after{
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}