:root {
  --deep:#143f37;
  --teal:#287768;
  --teal-dark:#205e52;
  --sun:#efd580;
  --cream:#faf9f5;
  --mint:#eef3ec;
  --ink:#243b35;
  --muted:#607069;
  --line:#dce3dc;
  --white:#fff;
  --font-body:'Be Vietnam Pro',system-ui,sans-serif;
}

* {
  box-sizing:border-box;
  margin:0;
  padding:0;
}

img {
  height:auto;
}

.float-btns .f-zalo {
  width:80px;
  white-space:nowrap;
}

@media(max-width:600px) {
  .float-btns .f-zalo {
    width:auto;
  }
}

html {
  scroll-behavior:smooth;
  scroll-padding-top:100px;
}

body {
  font-family:var(--font-body);
  background:var(--cream);
  color:var(--ink);
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}

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

a {
  color:inherit;
  text-decoration:none;
}

button,input,select,textarea {
  font:inherit;
}

button,summary {
  cursor:pointer;
}

ul {
  list-style:none;
}

button {
  color:inherit;
}

svg[aria-hidden=true] {
  fill:none;
  stroke:currentColor;
  stroke-width:1.7;
  stroke-linecap:round;
  stroke-linejoin:round;
  width:22px;
  height:22px;
  flex:none;
}

:focus-visible {
  outline:3px solid #b47717;
  outline-offset:5px;
}

::selection {
  background:#e4d59f;
  color:var(--deep);
}

[hidden] {
  display:none!important;
}

.container {
  width:min(1160px,calc(100% - 96px));
  margin-inline:auto;
}

section {
  padding:88px 0;
}

h1,h2,h3 {
  color:var(--deep);
  font-weight:600;
  line-height:1.3;
  letter-spacing:-.04em;
}

h1 {
  font-size:clamp(38px,4.1vw,58px);
  line-height:1.18;
}

h2 {
  font-size:clamp(28px,3vw,40px);
}

h3 {
  font-size:19px;
  letter-spacing:-.025em;
}

p {
  text-wrap:pretty;
}

.eyebrow,.kicker {
  display:block;
  font-size:11px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--teal);
  margin-bottom:18px;
}

.section-head {
  max-width:670px;
  margin-bottom:40px;
}

.section-head p {
  color:var(--muted);
  margin-top:16px;
  max-width:580px;
}

.split-head {
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:40px;
  margin-bottom:36px;
}

.split-head .section-head {
  margin:0;
}

.split-head>p {
  max-width:330px;
  color:var(--muted);
  font-size:14px;
}

.text-link {
  display:inline-flex;
  gap:10px;
  align-items:center;
  font-size:14px;
  font-weight:600;
  border-bottom:1px solid var(--teal);
  padding-bottom:4px;
  color:var(--teal-dark);
}

.btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  padding:15px 24px;
  border:1px solid transparent;
  border-radius:8px;
  font-size:14px;
  font-weight:600;
  line-height:1.4;
  min-height:50px;
  transition:background .18s,transform .18s;
}

.btn-cta {
  background:var(--deep);
  color:#fff;
}

.btn-cta:hover {
  background:var(--teal-dark);
}

.btn-ghost {
  border-color:var(--line);
  background:transparent;
  color:var(--deep);
}

.btn-ghost:hover {
  background:var(--mint);
}

.btn:disabled {
  opacity:.6;
  cursor:wait;
}

.btn-center {
  margin-top:28px;
  text-align:center;
}

.skip-link {
  position:fixed;
  left:16px;
  top:-100px;
  padding:12px 20px;
  z-index:200;
  background:var(--deep);
  color:white;
}

.skip-link:focus {
  top:10px;
}

.topbar {
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(250,249,245,.97);
  border-bottom:1px solid var(--line);
}

.nav {
  height:82px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:28px;
}

.brand {
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:600;
  line-height:1.3;
  color:var(--deep);
  white-space:nowrap;
  letter-spacing:-.04em;
}

.brand img {
  width:42px;
  height:42px;
  object-fit:contain;
}

.brand small {
  display:block;
  margin-top:4px;
  font-size:10px;
  font-weight:400;
  letter-spacing:.15em;
  color:var(--muted);
}

.nav-links {
  display:flex;
  gap:28px;
  font-size:12px;
  font-weight:500;
  color:var(--muted);
}

.nav-links a:hover {
  color:var(--deep);
}

.topbar .btn {
  font-size:12px;
  min-height:42px;
  padding:10px 17px;
}

.hero {
  padding:64px 0 0;
}

.hero-grid {
  display:grid;
  grid-template-columns:1.04fr 1fr;
  align-items:center;
  gap:64px;
}

.hero-copy {
  padding-block:16px 28px;
}

.hero .eyebrow {
  margin-bottom:22px;
}

.hero h1 span {
  color:var(--teal);
}

.hero .lead {
  margin:24px 0 26px;
  max-width:465px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
}

.hero-ctas {
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  align-items:center;
}

.hero-ctas .text-link {
  font-size:13px;
}

.hero-note {
  font-size:12px;
  color:var(--muted);
  margin-top:17px;
}

.hero-visual {
  position:relative;
}

.hero-photo {
  border-radius:16px 16px 80px 16px;
  overflow:hidden;
  background:#e9e9de;
}

.hero-photo img {
  width:100%;
  aspect-ratio:1.02;
  object-fit:cover;
  object-position:50% 42%;
}

.photo-caption {
  position:absolute;
  bottom:24px;
  left:-24px;
  background:var(--cream);
  border:1px solid var(--line);
  padding:14px 20px;
  border-radius:8px;
  font-size:12px;
  line-height:1.7;
}

.photo-caption b {
  display:block;
  color:var(--deep);
  font-weight:600;
}

.photo-caption span {
  color:var(--muted);
}

.class-facts {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  margin-top:48px;
  border-block:1px solid var(--line);
  padding:24px 0;
}

.class-facts>div {
  padding:0 26px;
  border-left:1px solid var(--line);
}

.class-facts>div:first-child {
  padding-left:0;
  border:0;
}

.class-facts dt {
  font-size:10px;
  letter-spacing:.08em;
  color:var(--muted);
  margin-bottom:5px;
  text-transform:uppercase;
}

.class-facts dd {
  color:var(--deep);
  font-size:14px;
  font-weight:500;
}

.class-facts a {
  text-decoration:underline;
  text-underline-offset:3px;
}

.intro-section {
  padding-bottom:80px;
}

.intro-top {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:80px;
  align-items:start;
  margin-bottom:42px;
}

.intro-top p {
  color:var(--muted);
  padding-top:32px;
}

.benefit-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:36px;
}

.benefit {
  padding-top:24px;
  border-top:1px solid var(--line);
}

.benefit .number {
  font-size:12px;
  color:var(--teal);
  margin-bottom:18px;
  display:block;
}

.benefit h3 {
  margin-bottom:12px;
}

.benefit p {
  color:var(--muted);
  font-size:14px;
}

.principle {
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:32px;
  color:var(--teal-dark);
  font-size:13px;
}

.principle svg {
  width:18px;
  height:18px;
}

.session-section {
  background:var(--mint);
}

.session-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:stretch;
}

.session-photo {
  display:flex;
  flex-direction:column;
}

.session-photo img {
  width:100%;
  height:100%;
  max-height:440px;
  object-fit:cover;
  border-radius:12px;
}

.session-photo figcaption {
  font-size:11px;
  color:var(--muted);
  margin-top:12px;
}

.timeline {
  border-top:1px solid #cbd8cb;
}

.tl-row {
  display:grid;
  grid-template-columns:64px 1fr;
  gap:20px;
  padding:21px 0;
  border-bottom:1px solid #cbd8cb;
}

.tl-time {
  font-size:13px;
  color:var(--teal);
  padding-top:3px;
  font-variant-numeric:tabular-nums;
}

.tl-row h3 {
  font-size:17px;
  margin-bottom:6px;
}

.tl-row p {
  font-size:13px;
  color:var(--muted);
}

.timeline-note {
  margin-top:16px;
  font-size:11px;
  color:var(--muted);
}

.session-details {
  margin-top:30px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}

.plain-details {
  border-top:1px solid #cbd8cb;
  padding-top:16px;
}

.plain-details summary {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  list-style:none;
  font-size:13px;
  font-weight:500;
  color:var(--deep);
}

summary::-webkit-details-marker {
  display:none;
}

.plain-details summary::after {
  content:'+';
  font-size:22px;
  font-weight:400;
}

.plain-details[open] summary::after {
  content:'−';
}

.detail-body {
  font-size:13px;
  color:var(--muted);
  margin-top:14px;
}

.detail-body ol {
  padding-left:20px;
  display:grid;
  gap:8px;
}

.sample-label {
  font-size:11px;
  display:block;
  margin-bottom:8px;
}

.sample-message {
  background:white;
  border-radius:10px;
  padding:16px;
  font-size:13px;
  color:var(--ink);
}

.team-layout {
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:80px;
}

.team-intro p {
  color:var(--muted);
  font-size:14px;
  margin:20px 0;
}

.ratio {
  display:flex;
  gap:18px;
  align-items:center;
  margin:28px 0 22px;
}

.ratio strong {
  font-size:44px;
  font-weight:500;
  letter-spacing:-.06em;
  color:var(--teal);
  line-height:1;
}

.ratio span {
  font-size:12px;
  color:var(--muted);
  line-height:1.7;
  max-width:150px;
}

.commit {
  padding:22px 0;
  border-bottom:1px solid var(--line);
}

.commit:first-child {
  padding-top:0;
}

.commit h3 {
  font-size:17px;
  margin-bottom:8px;
}

.commit p {
  font-size:13px;
  color:var(--muted);
}

.stats-strip {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-block:1px solid var(--line);
  margin-top:48px;
  padding:26px 0;
}

.stat {
  text-align:center;
  padding:0 20px;
  border-left:1px solid var(--line);
}

.stat:first-child {
  border:0;
}

.stat b {
  display:block;
  font-size:32px;
  font-weight:500;
  letter-spacing:-.05em;
  color:var(--deep);
  line-height:1.2;
}

.stat span {
  display:block;
  font-size:11px;
  color:var(--muted);
  margin-top:8px;
}

.brand-line {
  font-size:11px;
  color:var(--muted);
  margin-top:14px;
  text-align:right;
}

.teachers-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:30px;
}

.teacher img {
  height:100px;
  border-radius:8px;
}

.teacher p {
  font-size:13px;
}

.gallery-section {
  padding-top:0;
}

.polaroids {
  display:grid;
  grid-template-columns:1.35fr 1fr 1fr;
  gap:16px;
}

.polaroid {
  position:relative;
  overflow:hidden;
  border-radius:10px;
  background:var(--mint);
  min-width:0;
}

.polaroid button {
  height:100%;
}

.polaroid img {
  width:100%;
  height:260px;
  object-fit:cover;
  transition:transform .3s;
}

.polaroid:hover img {
  transform:scale(1.025);
}

.polaroid figcaption {
  padding:10px;
  font-size:12px;
}

.polaroid .more-overlay {
  position:absolute;
  inset:0;
  background:#143f3777;
  color:#fff;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  font-size:30px;
  font-weight:500;
}

.more-overlay small {
  font-size:12px;
}

.gallery-section .btn-center {
  text-align:right;
  margin-top:18px;
}

.gallery-section .btn {
  font-size:12px;
  min-height:42px;
  padding:10px 16px;
}

.testimonials-section {
  background:#f0eee6;
}

.testi-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:26px;
}

.testi {
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:24px;
  padding-top:20px;
  border-top:1px solid #d7d8cb;
}

.testi p.tx {
  font-size:14px;
  line-height:1.85;
  color:var(--ink);
}

.testi p.tx::before {
  content:'“';
  font-family:Georgia,serif;
  font-size:36px;
  color:var(--teal);
  display:block;
  line-height:1;
  margin-bottom:8px;
}

.who {
  display:flex;
  gap:12px;
  align-items:center;
}

.who b {
  display:block;
  font-size:12px;
  font-weight:500;
}

.who span {
  display:block;
  font-size:10px;
  color:var(--muted);
}

.who .ava {
  display:none;
}

.survey-note {
  font-size:11px;
  color:var(--muted);
  margin-top:28px;
}

.price-wrap {
  display:grid;
  grid-template-columns:1.25fr 1fr;
  gap:24px;
  align-items:stretch;
}

.price-card {
  border:1px solid var(--line);
  border-radius:12px;
  background:white;
  padding:32px;
}

.p-label {
  font-size:13px;
  color:var(--muted);
  margin-bottom:22px;
}

.price-plans {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  padding-bottom:26px;
  border-bottom:1px solid var(--line);
}

.price-plan+.price-plan {
  border-left:1px solid var(--line);
  padding-left:24px;
}

.pp-name {
  font-size:13px;
  color:var(--teal-dark);
  font-weight:500;
  margin-bottom:10px;
}

.p-num {
  font-size:30px;
  line-height:1.3;
  font-weight:600;
  letter-spacing:-.06em;
  color:var(--deep);
  white-space:nowrap;
}

.p-num small {
  display:block;
  letter-spacing:0;
  font-size:11px;
  font-weight:400;
  color:var(--muted);
  margin:5px 0 12px;
}

.pp-note {
  font-size:11px;
  color:var(--muted);
}

.price-inc {
  display:grid;
  gap:12px;
  margin:24px 0 0;
}

.price-inc li {
  display:flex;
  gap:10px;
  font-size:13px;
  color:var(--muted);
}

.price-inc svg {
  width:17px;
  height:17px;
  margin-top:3px;
  color:var(--teal);
}

.price-footnote {
  font-size:11px;
  color:var(--muted);
  margin-top:18px;
}

.price-offer {
  border-radius:12px;
  background:#f1e9cd;
  padding:32px;
  display:flex;
  flex-direction:column;
}

.trial-label {
  font-size:11px;
  color:var(--teal-dark);
  font-weight:500;
  margin-bottom:12px;
  letter-spacing:.06em;
}

.trial-price {
  font-size:32px;
  font-weight:500;
  letter-spacing:-.05em;
  color:var(--deep);
  line-height:1.3;
}

.trial-price small {
  font-size:15px;
  letter-spacing:-.02em;
}

.trial-note {
  font-size:12px;
  color:#5c634f;
  margin-top:12px;
}

.offer-divider {
  border:0;
  border-top:1px solid #d6cfb7;
  margin:24px 0;
}

.po-title {
  font-size:12px;
  font-weight:500;
  margin-bottom:10px;
}

.po-list {
  display:grid;
  gap:8px;
  font-size:12px;
  color:#4e5e4e;
}

.po-list b {
  font-weight:600;
  color:var(--deep);
}

.po-note {
  font-size:10px;
  color:#5c634f;
  margin:12px 0 24px;
}

.price-offer .btn {
  margin-top:auto;
  align-self:start;
}

.fit-details {
  margin-top:24px;
}

.fit-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  padding:8px 0;
}

.fit-grid h3 {
  font-size:15px;
  margin-bottom:12px;
}

.fit-grid ul {
  list-style:disc;
  padding-left:18px;
  font-size:13px;
  color:var(--muted);
}

.fit-grid li+li {
  margin-top:8px;
}

.faq-section {
  padding-top:40px;
}

.faq-layout {
  display:grid;
  grid-template-columns:.7fr 1.3fr;
  gap:80px;
}

.faq-list details {
  border-top:1px solid var(--line);
}

.faq-list details:last-child {
  border-bottom:1px solid var(--line);
}

.faq-list summary {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  font-size:14px;
  font-weight:500;
  color:var(--deep);
  padding:21px 0;
  list-style:none;
  line-height:1.6;
}

.faq-list .plus {
  font-size:22px;
  font-weight:400;
  flex:none;
  color:var(--teal);
}

.faq-list .plus svg {
  width:18px;
  height:18px;
}

.faq-list details[open] .plus {
  transform:rotate(45deg);
}

.ans {
  font-size:13px;
  color:var(--muted);
  padding-bottom:22px;
  line-height:1.9;
}

.ans p+p {
  margin-top:12px;
}

.ans ul {
  list-style:disc;
  padding-left:18px;
}

.ans li+li {
  margin-top:10px;
}

.ans strong {
  font-weight:600;
  color:var(--ink);
}

.form-sec {
  background:var(--deep);
  color:#e1ebe5;
}

.form-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:100px;
  align-items:start;
}

.contact-copy h2 {
  color:#fff;
  max-width:430px;
}

.form-sec .eyebrow {
  color:#d8ca8e;
}

.contact-copy>p {
  font-size:14px;
  color:#c0d3c8;
  margin:20px 0 28px;
  max-width:410px;
}

.alt-links {
  display:grid;
  gap:0;
  margin-top:30px;
}

.alt-links a {
  display:flex;
  align-items:center;
  gap:16px;
  padding:18px 0;
  border-top:1px solid #ffffff26;
  font-size:14px;
}

.alt-links svg {
  color:#dece91;
  width:21px;
  height:21px;
}

.alt-links small {
  display:block;
  font-size:11px;
  color:#bcd0c4;
  font-weight:400;
}

.alt-steps {
  margin-top:28px;
  list-style:none;
  font-size:12px;
  color:#c0d3c8;
  display:grid;
  gap:10px;
}

.alt-steps li {
  display:flex;
  gap:12px;
}

.alt-steps b {
  color:#e5d49a;
  font-weight:400;
}

.form-card {
  padding:30px;
  background:var(--cream);
  border-radius:12px;
  color:var(--ink);
}

.form-card h3 {
  font-size:20px;
  margin-bottom:6px;
}

.form-caption {
  font-size:12px;
  color:var(--muted);
  margin-bottom:24px;
}

.f-row {
  display:grid;
  gap:7px;
  margin-bottom:18px;
}

.f-row label {
  font-size:12px;
  font-weight:500;
  color:var(--deep);
}

.f-row em {
  color:#a34a32;
  font-style:normal;
}

.f-row input,.f-row select,.f-row textarea {
  border:1px solid #cdd7ce;
  border-radius:6px;
  min-height:48px;
  padding:11px 13px;
  width:100%;
  min-width:0;
  background:#fff;
  color:var(--ink);
  font-size:14px;
}

.f-row textarea {
  resize:vertical;
}

.f-row input:focus,.f-row select:focus,.f-row textarea:focus {
  outline:2px solid var(--teal);
  outline-offset:2px;
}

.err {
  display:none;
  font-size:11px;
  color:#a34a32;
  gap:6px;
  align-items:start;
}

.err svg {
  width:14px;
  height:14px;
  margin-top:3px;
}

.has-err .err {
  display:flex;
}

.has-err input,.has-err select {
  border-color:#a34a32;
}

.optional-fields {
  margin:4px 0 22px;
  border:0;
  padding:0;
}

.optional-fields summary {
  font-size:12px;
}

.optional-fields .detail-body {
  margin-top:16px;
}

.f-hp {
  position:absolute;
  left:-9999px;
  width:1px;
  height:1px;
  overflow:hidden;
}

.form-card .btn {
  width:100%;
  background:var(--sun);
  color:var(--deep);
}

.form-card .btn:hover {
  background:#e5c969;
}

.form-soothe {
  font-size:10px;
  color:var(--muted);
  margin-top:14px;
  line-height:1.9;
}

.form-soothe a {
  text-decoration:underline;
  text-underline-offset:3px;
}

.form-error {
  padding:16px;
  border:1px solid #e1bdad;
  border-radius:6px;
  background:#fff1e9;
  color:#95412a;
  font-size:12px;
  margin-top:18px;
}

.fe-actions {
  display:flex;
  gap:10px;
  margin-top:12px;
}

.fe-actions .btn {
  font-size:11px;
  min-height:42px;
  padding:9px 12px;
}

.form-ok {
  display:none;
  text-align:center;
  padding:30px 0;
}

.okico {
  width:60px;
  height:60px;
  background:var(--mint);
  border-radius:50%;
  margin:0 auto 20px;
  display:grid;
  place-items:center;
}

.form-ok p {
  font-size:13px;
  color:var(--muted);
  margin-top:14px;
}

footer {
  padding:40px 0 28px;
  background:var(--cream);
}

.foot-grid {
  display:flex;
  justify-content:space-between;
  gap:40px;
  align-items:start;
}

.foot-brand p {
  font-size:11px;
  color:var(--muted);
  margin-top:12px;
  max-width:310px;
}

.foot-contact {
  font-size:11px;
  color:var(--muted);
  display:grid;
  gap:9px;
  max-width:410px;
}

.foot-contact li {
  display:flex;
  align-items:start;
  gap:9px;
}

.foot-contact svg {
  width:15px;
  height:15px;
  margin-top:2px;
}

.foot-bottom {
  border-top:1px solid var(--line);
  padding-top:20px;
  margin-top:28px;
  color:var(--muted);
  font-size:10px;
  display:flex;
  justify-content:space-between;
  gap:20px;
}

.foot-bottom a {
  text-decoration:underline;
  text-underline-offset:3px;
}

.float-btns {
  position:fixed;
  bottom:24px;
  right:24px;
  z-index:55;
  display:flex;
  background:var(--cream);
  border:1px solid var(--line);
  border-radius:10px;
  box-shadow:0 4px 20px #143f3710;
  overflow:hidden;
}

.float-btns a {
  width:52px;
  height:48px;
  display:grid;
  place-items:center;
  color:var(--deep);
  font-size:11px;
  font-weight:600;
}

.float-btns a+a {
  border-left:1px solid var(--line);
}

.float-btns svg {
  width:18px;
  height:18px;
}

body.modal-open .float-btns,body.modal-open .topbar {
  visibility:hidden;
}

.g-overlay {
  position:fixed;
  inset:0;
  z-index:70;
  background:#143f37;
  overflow:auto;
  padding:32px 0 60px;
  color:white;
}

.g-head {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}

.g-head h2 {
  font-size:24px;
  color:#fff;
}

.g-head p {
  font-size:12px;
  color:#c0d3c8;
  margin-top:8px;
}

.g-close {
  background:transparent;
  color:white;
  border:1px solid #ffffff66;
  display:flex;
  align-items:center;
  gap:8px;
  padding:10px 16px;
  border-radius:6px;
  font-size:12px;
  min-height:44px;
}

.g-close svg {
  width:16px;
  height:16px;
}

.g-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}

.g-grid button {
  border:0;
  border-radius:8px;
  overflow:hidden;
  background:#214c43;
}

.g-grid img {
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}

.lightbox {
  position:fixed;
  inset:0;
  z-index:80;
  background:#0a201bf5;
  display:flex;
  align-items:center;
  justify-content:center;
}

.lightbox img {
  max-width:90vw;
  max-height:80vh;
  object-fit:contain;
}

.lb-btn,.lb-close {
  position:absolute;
  display:grid;
  place-items:center;
  background:#143f37b3;
  border:1px solid #ffffff66;
  border-radius:50%;
  width:44px;
  height:44px;
  color:white;
}

.lb-prev {
  left:20px;
}

.lb-next {
  right:20px;
}

.lb-close {
  right:20px;
  top:20px;
}

.lb-count {
  position:absolute;
  bottom:22px;
  color:#fff;
  font-size:12px;
}

.g-overlay :focus-visible,.lightbox :focus-visible,.form-sec :focus-visible {
  outline-color:var(--sun);
}

@media(min-width:1500px) {
  .container {
    width:min(1220px,calc(100% - 120px));
  }
  .hero-grid {
    gap:80px;
  }
}

@media(max-width:1100px) {
  .container {
    width:calc(100% - 64px);
  }
  .nav-links {
    gap:18px;
  }
  .hero-grid {
    gap:36px;
  }
  .hero h1 {
    font-size:44px;
  }
  .hero-ctas {
    gap:18px;
  }
  .class-facts>div {
    padding-inline:18px;
  }
  .class-facts dd {
    font-size:12px;
  }
  .team-layout {
    gap:48px;
  }
  .form-grid {
    gap:48px;
  }
  .price-card,.price-offer {
    padding:26px;
  }
  .p-num {
    font-size:26px;
  }
  .faq-layout {
    gap:48px;
  }
  .testi-grid {
    gap:20px;
  }
  .polaroid img {
    height:220px;
  }
}

@media(max-width:850px) {
  section {
    padding:64px 0;
  }
  .nav-links {
    display:none;
  }
  .hero-grid {
    gap:28px;
  }
  .hero h1 {
    font-size:36px;
  }
  .hero .lead {
    font-size:14px;
  }
  .hero .eyebrow {
    font-size:10px;
  }
  .hero-ctas {
    align-items:start;
    flex-direction:column;
    gap:14px;
  }
  .photo-caption {
    left:-12px;
    bottom:16px;
    padding:10px 14px;
    font-size:10px;
  }
  .intro-top {
    gap:40px;
  }
  .benefit-grid {
    gap:24px;
  }
  .benefit h3 {
    font-size:17px;
  }
  .session-grid {
    gap:32px;
  }
  .session-photo img {
    max-height:460px;
  }
  .tl-row {
    grid-template-columns:48px 1fr;
    gap:12px;
    padding:18px 0;
  }
  .tl-row h3 {
    font-size:15px;
  }
  .tl-row p {
    font-size:12px;
  }
  .team-layout {
    gap:36px;
  }
  .testi-grid {
    grid-template-columns:1fr 1fr;
    gap:26px 32px;
  }
  .price-wrap {
    grid-template-columns:1fr;
    gap:20px;
  }
  .price-plans {
    gap:40px;
  }
  .p-num {
    font-size:34px;
  }
  .price-offer .btn {
    margin-top:12px;
  }
  .faq-layout {
    grid-template-columns:1fr;
    gap:0;
  }
  .faq-layout .section-head {
    margin-bottom:30px;
  }
  .form-grid {
    gap:36px;
  }
  .form-card {
    padding:24px;
  }
  .foot-bottom {
    padding-right:90px;
  }
  .class-facts {
    grid-template-columns:repeat(2,1fr);
    gap:20px 0;
  }
  .class-facts>div:nth-child(3) {
    padding-left:0;
    border:0;
  }
  .class-facts dd {
    font-size:13px;
  }
}

@media(max-width:600px) {
  html {
    scroll-padding-top:84px;
  }
  .container {
    width:calc(100% - 40px);
  }
  body {
    font-size:14px;
  }
  section {
    padding:52px 0;
  }
  .nav {
    height:66px;
    gap:10px;
  }
  .brand {
    gap:8px;
    font-size:13px;
  }
  .brand img {
    width:32px;
    height:32px;
  }
  .brand small {
    font-size:8px;
    margin-top:3px;
  }
  .topbar .btn {
    font-size:10px;
    padding:10px 12px;
    min-height:38px;
  }
  .hero {
    padding-top:30px;
  }
  .hero-grid {
    grid-template-columns:1fr;
    gap:26px;
  }
  .hero-copy {
    padding:0;
  }
  .hero .eyebrow {
    font-size:9px;
    letter-spacing:.12em;
    margin-bottom:16px;
  }
  .hero h1 {
    font-size:36px;
    max-width:360px;
    line-height:1.2;
  }
  .hero .lead {
    font-size:14px;
    margin:18px 0 22px;
    max-width:390px;
  }
  .hero-ctas {
    flex-direction:row;
    align-items:center;
    gap:18px;
  }
  .hero-ctas .btn {
    padding:14px 18px;
    font-size:12px;
  }
  .hero-ctas .text-link {
    font-size:11px;
  }
  .hero-note {
    font-size:10px;
    margin-top:12px;
  }
  .hero-photo {
    border-radius:10px 10px 44px 10px;
  }
  .hero-photo img {
    aspect-ratio:1.55;
    object-position:center 43%;
  }
  .photo-caption {
    left:12px;
    bottom:12px;
    border:0;
    padding:8px 12px;
    font-size:9px;
  }
  .class-facts {
    margin-top:28px;
    padding:20px 0;
    gap:18px 0;
  }
  .class-facts>div {
    padding-left:18px;
    padding-right:0;
  }
  .class-facts dt {
    font-size:8px;
  }
  .class-facts dd {
    font-size:11px;
  }
  .eyebrow,.kicker {
    font-size:9px;
    margin-bottom:12px;
  }
  h2 {
    font-size:28px;
  }
  h3 {
    font-size:17px;
  }
  .section-head {
    margin-bottom:28px;
  }
  .section-head p {
    font-size:13px;
    margin-top:12px;
  }
  .intro-section {
    padding-bottom:48px;
  }
  .intro-top {
    display:block;
    margin-bottom:28px;
  }
  .intro-top p {
    padding-top:18px;
    font-size:13px;
  }
  .benefit-grid {
    grid-template-columns:1fr;
    gap:0;
  }
  .benefit {
    display:grid;
    grid-template-columns:26px 1fr;
    gap:8px 16px;
    padding:20px 0;
  }
  .benefit .number {
    grid-row:1/3;
    margin:1px 0 0;
    font-size:10px;
  }
  .benefit h3 {
    margin:0;
  }
  .benefit p {
    font-size:13px;
    grid-column:2;
  }
  .principle {
    margin-top:12px;
    font-size:11px;
    align-items:start;
  }
  .principle svg {
    margin-top:2px;
  }
  .split-head {
    display:block;
    margin-bottom:26px;
  }
  .split-head>p {
    font-size:12px;
    margin-top:14px;
  }
  .split-head .text-link {
    margin-top:16px;
  }
  .session-grid {
    grid-template-columns:1fr;
    gap:24px;
  }
  .session-photo img {
    height:auto;
    aspect-ratio:1.65;
    max-height:none;
    object-position:50% 42%;
  }
  .session-photo figcaption {
    font-size:10px;
    margin-top:8px;
  }
  .tl-row {
    padding:17px 0;
    grid-template-columns:48px 1fr;
    gap:18px;
  }
  .tl-row h3 {
    font-size:15px;
  }
  .tl-row p {
    font-size:12px;
  }
  .tl-time {
    font-size:12px;
  }
  .timeline-note {
    font-size:10px;
    margin-top:12px;
  }
  .session-details {
    grid-template-columns:1fr;
    gap:16px;
    margin-top:24px;
  }
  .plain-details summary {
    font-size:12px;
  }
  .detail-body {
    font-size:12px;
  }
  .team-layout {
    grid-template-columns:1fr;
    gap:28px;
  }
  .team-intro p {
    font-size:13px;
    margin:16px 0;
  }
  .ratio {
    margin:22px 0 18px;
  }
  .ratio strong {
    font-size:38px;
  }
  .commit {
    padding:18px 0;
  }
  .commit h3 {
    font-size:15px;
  }
  .commit p {
    font-size:12px;
  }
  .stats-strip {
    margin-top:28px;
    grid-template-columns:1fr 1fr;
    gap:22px 0;
    padding:22px 0;
  }
  .stat:nth-child(3) {
    border:0;
  }
  .stat b {
    font-size:28px;
  }
  .stat span {
    font-size:10px;
    margin-top:6px;
  }
  .brand-line {
    text-align:left;
    font-size:10px;
  }
  .gallery-section {
    padding-top:0;
  }
  .polaroids {
    grid-template-columns:1fr 1fr;
    gap:10px;
  }
  .polaroid:first-child {
    grid-column:1/-1;
  }
  .polaroid img {
    height:auto;
    aspect-ratio:1.35;
  }
  .polaroid:first-child img {
    aspect-ratio:1.75;
  }
  .polaroid {
    border-radius:8px;
  }
  .gallery-section .btn-center {
    text-align:center;
    margin-top:18px;
  }
  .gallery-section .btn {
    font-size:11px;
  }
  .testi-grid {
    grid-template-columns:1fr;
    gap:22px;
  }
  .testi {
    gap:16px;
    padding-top:18px;
  }
  .testi p.tx {
    font-size:13px;
    line-height:1.8;
  }
  .testi p.tx::before {
    font-size:28px;
    margin-bottom:4px;
  }
  .who b {
    font-size:11px;
  }
  .who span {
    font-size:10px;
  }
  .survey-note {
    font-size:10px;
    margin-top:24px;
  }
  .price-card,.price-offer {
    padding:24px 20px;
  }
  .price-plans {
    gap:14px;
  }
  .price-plan+.price-plan {
    padding-left:18px;
  }
  .pp-name {
    font-size:12px;
  }
  .p-num {
    font-size:25px;
  }
  .p-num small {
    font-size:10px;
  }
  .pp-note {
    font-size:10px;
  }
  .p-label {
    font-size:11px;
    margin-bottom:20px;
  }
  .price-inc li {
    font-size:12px;
  }
  .price-inc {
    gap:12px;
    margin-top:20px;
  }
  .price-footnote {
    font-size:10px;
  }
  .trial-price {
    font-size:30px;
  }
  .po-list {
    font-size:12px;
    gap:10px;
  }
  .po-note {
    font-size:10px;
  }
  .price-offer .btn {
    align-self:stretch;
  }
  .fit-grid {
    grid-template-columns:1fr;
    gap:24px;
  }
  .faq-section {
    padding-top:12px;
  }
  .faq-list summary {
    font-size:12px;
    padding:18px 0;
    gap:20px;
  }
  .ans {
    font-size:12px;
    padding-bottom:18px;
  }
  .form-grid {
    grid-template-columns:1fr;
    gap:30px;
  }
  .contact-copy h2 {
    max-width:320px;
  }
  .contact-copy>p {
    font-size:13px;
    margin:18px 0 20px;
  }
  .alt-links {
    margin-top:22px;
  }
  .alt-links a {
    padding:14px 0;
    font-size:13px;
  }
  .alt-links small {
    font-size:10px;
  }
  .alt-steps {
    margin-top:20px;
    font-size:11px;
    gap:8px;
  }
  .form-card {
    padding:24px 20px;
  }
  .form-card h3 {
    font-size:19px;
  }
  .form-caption {
    font-size:11px;
    margin-bottom:22px;
  }
  .f-row input,.f-row select,.f-row textarea {
    font-size:16px;
    min-height:48px;
  }
  .f-row {
    margin-bottom:16px;
  }
  .form-soothe {
    font-size:10px;
  }
  .foot-grid {
    display:grid;
    gap:24px;
  }
  .foot-brand p {
    font-size:11px;
  }
  .foot-contact {
    font-size:10px;
  }
  .foot-bottom {
    display:block;
    padding-right:0;
    font-size:9px;
    margin-top:24px;
  }
  .foot-bottom>span {
    display:block;
    margin-top:8px;
  }
  footer {
    padding:30px 0 90px;
  }
  .float-btns {
    left:0;
    right:0;
    bottom:0;
    display:grid;
    grid-template-columns:1fr 1fr;
    border-radius:0;
    border:0;
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -4px 18px #143f370a;
  }
  .float-btns a {
    width:auto;
    height:48px;
    font-size:12px;
    display:flex;
    justify-content:center;
    gap:8px;
  }
  .float-btns .f-phone::after {
    content:'Gọi tư vấn';
  }
  .g-overlay {
    padding-top:22px;
  }
  .g-grid {
    grid-template-columns:1fr 1fr;
    gap:10px;
  }
  .g-head h2 {
    font-size:19px;
  }
  .g-head p {
    font-size:10px;
  }
  .g-close {
    padding:8px 12px;
    font-size:10px;
  }
  .lb-prev {
    left:8px;
  }
  .lb-next {
    right:8px;
  }
  .lightbox img {
    max-width:100vw;
  }
  .teachers-grid {
    grid-template-columns:1fr;
  }
}

@media(max-width:360px) {
  .container {
    width:calc(100% - 32px);
  }
  .brand {
    font-size:12px;
  }
  .topbar .btn {
    padding-inline:10px;
    font-size:9px;
  }
  .hero h1 {
    font-size:32px;
  }
  .hero-ctas {
    gap:12px;
  }
  .hero-ctas .btn {
    font-size:11px;
    padding-inline:14px;
  }
  .hero-ctas .text-link {
    font-size:10px;
  }
  .p-num {
    font-size:22px;
  }
  .price-card {
    padding-inline:16px;
  }
}

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