:root {
  --teal-950: #043f43;
  --teal-900: #07565a;
  --teal-700: #087277;
  --teal-500: #0d918e;
  --teal-100: #dff7f2;
  --coral: #ef6258;
  --coral-dark: #d94a43;
  --yellow: #f8bd35;
  --cream: #fffaf0;
  --mint: #f1fcf9;
  --ink: #143a3c;
  --muted: #5e7474;
  --white: #ffffff;
  --border: #cde9e5;
  --shadow: 0 24px 60px rgba(4, 63, 67, .13);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Inter, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 9999; transform: translateY(-140%); padding: 10px 16px; background: #fff; border-radius: 10px; }
.skip-link:focus { transform: translateY(0); }

.top-strip { padding: 7px 16px; color: #fff; background: var(--teal-950); font-size: .75rem; font-weight: 800; letter-spacing: .16em; text-align: center; }
.site-header { position: sticky; top: 0; z-index: 40; border-bottom: 1px solid rgba(8, 114, 119, .12); background: rgba(255, 255, 255, .94); backdrop-filter: blur(14px); }
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; line-height: 1.1; }
.brand img { width: 52px; height: 52px; object-fit: contain; }
.brand strong { display: block; color: var(--teal-900); font-size: 1rem; font-weight: 900; letter-spacing: .04em; }
.brand small { display: block; max-width: 305px; margin-top: 5px; color: var(--muted); font-size: .66rem; line-height: 1.35; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 28px; }
.nav a { position: relative; color: #294e50; font-size: .9rem; font-weight: 700; text-decoration: none; }
.nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--coral); transition: right .2s ease; }
.nav a:hover::after, .nav a:focus-visible::after { right: 0; }

.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 13px 22px; border: 2px solid var(--coral); border-radius: 999px; color: #fff; background: var(--coral); box-shadow: 0 12px 24px rgba(239, 98, 88, .22); font-size: .94rem; font-weight: 800; line-height: 1.25; text-align: center; text-decoration: none; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); background: var(--coral-dark); box-shadow: 0 16px 30px rgba(239, 98, 88, .28); }
.button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid rgba(248, 189, 53, .75); outline-offset: 3px; }
.button-small { min-height: 42px; padding: 9px 18px; font-size: .85rem; }
.button-outline { border-color: var(--teal-700); color: var(--teal-700); background: transparent; box-shadow: none; }
.button-outline:hover { color: #fff; background: var(--teal-700); box-shadow: 0 14px 28px rgba(8, 114, 119, .18); }
.button-light { border-color: #fff; color: var(--teal-950); background: #fff; box-shadow: none; }
.button-light:hover { color: var(--teal-950); background: var(--yellow); border-color: var(--yellow); }
.button-ghost { border-color: rgba(255,255,255,.42); color: #fff; background: transparent; box-shadow: none; }
.button-ghost:hover { background: rgba(255,255,255,.1); }

.hero { position: relative; overflow: hidden; padding: 76px 0 72px; background: linear-gradient(140deg, #f2fcf9 0%, #fffaf0 55%, #fff 100%); }
.hero::before { content: ""; position: absolute; inset: auto 0 0; height: 120px; background: linear-gradient(to top, rgba(255,255,255,.82), transparent); pointer-events: none; }
.hero-orb { position: absolute; border-radius: 999px; filter: blur(2px); opacity: .5; }
.hero-orb-one { width: 440px; height: 440px; right: -160px; top: -150px; background: radial-gradient(circle, rgba(13,145,142,.22), transparent 67%); }
.hero-orb-two { width: 360px; height: 360px; left: -180px; bottom: -170px; background: radial-gradient(circle, rgba(248,189,53,.25), transparent 68%); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr; align-items: center; gap: 48px; }
.hero-copy { max-width: 960px; }
.eyebrow { margin: 0 0 13px; color: var(--teal-700); font-size: .78rem; font-weight: 900; letter-spacing: .18em; line-height: 1.4; text-transform: uppercase; }
.hero h1 { margin: 0; color: var(--teal-950); font-size: clamp(3.25rem, 5.8vw, 5.55rem); font-weight: 900; letter-spacing: -.025em; line-height: 1.04; }
.hero h1 span { display: block; }
.hero h1 .accent-line { margin-top: 8px; color: var(--coral); font-size: .67em; letter-spacing: -.01em; line-height: 1.15; }
.hero-lead { max-width: 700px; margin: 26px 0 0; color: #33595b; font-size: clamp(1.05rem, 1.8vw, 1.24rem); line-height: 1.7; }
.hero-lead strong { color: var(--teal-950); }
.hero-pills { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 0; }
.hero-pills span { display: inline-flex; align-items: center; min-height: 38px; padding: 8px 13px; border: 1px solid rgba(8,114,119,.17); border-radius: 999px; color: var(--teal-900); background: rgba(255,255,255,.82); font-size: .79rem; font-weight: 750; line-height: 1.3; }
.hero-pills span::before { content: ""; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--yellow); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-visual { position: relative; width: 100%; margin: 0; }
.hero-visual img { width: 100%; height: auto; border: 8px solid #fff; border-radius: var(--radius-xl); object-fit: contain; box-shadow: var(--shadow); }
.hero-visual::before { content: ""; position: absolute; inset: -14px 24px 44px -14px; z-index: -1; border: 2px dashed rgba(8,114,119,.25); border-radius: 38px; }
.hero-visual figcaption { position: relative; width: calc(100% - 40px); margin: -34px auto 0; padding: 18px 20px; border-radius: 18px; color: #fff; background: var(--teal-950); box-shadow: 0 18px 34px rgba(4,63,67,.22); }
.hero-visual figcaption strong, .hero-visual figcaption span { display: block; }
.hero-visual figcaption strong { font-size: 1rem; }
.hero-visual figcaption span { margin-top: 3px; color: #caece8; font-size: .81rem; }

.section { padding: 96px 0; }
.section-heading { max-width: 780px; margin: 0 auto 46px; text-align: center; }
.section-heading h2, .practice-copy h2, .club-copy h2, .faq-heading h2, .final-card h2, .intro-card h2 { margin: 0; color: var(--teal-950); font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 900; letter-spacing: -.025em; line-height: 1.14; }
.section-heading > p:last-child { margin: 18px auto 0; color: var(--muted); font-size: 1.03rem; }
.intro-section { padding-top: 52px; background: #fff; }
.intro-card { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; padding: 42px; border: 1px solid var(--border); border-radius: var(--radius-xl); background: var(--mint); }
.intro-card h2 { font-size: clamp(2rem, 3.7vw, 3rem); }
.intro-copy p { margin: 0; color: #3e6162; font-size: 1.02rem; }
.intro-copy p + p { margin-top: 14px; }
.path-words { display: flex; align-items: center; justify-content: center; gap: 13px; margin: 28px auto 0; color: var(--teal-900); font-size: .86rem; font-weight: 850; letter-spacing: .03em; }
.path-words span { padding: 8px 13px; border-radius: 999px; background: #fff; box-shadow: 0 6px 18px rgba(4,63,67,.08); }
.path-words i { color: var(--coral); font-style: normal; }

.programs-section { background: linear-gradient(180deg, #fff 0%, var(--cream) 100%); }
.program-grid { display: grid; gap: 26px; }
.program-grid-featured { grid-template-columns: 1fr; }
.course-grid { grid-template-columns: 1fr; margin-top: 26px; }
.program-list { width: min(100%, 1040px); margin-left: auto; margin-right: auto; }
.program-card { overflow: hidden; border: 1px solid rgba(8,114,119,.14); border-radius: var(--radius-lg); background: #fff; box-shadow: 0 16px 40px rgba(4,63,67,.08); }
.program-card > img { width: 100%; height: auto; object-fit: contain; border-bottom: 1px solid rgba(8,114,119,.1); background: var(--mint); }
.featured-card > img { height: auto; }
.program-body { padding: 26px; }
.featured-card .program-body { padding: 30px; }
.program-kicker { margin: 0 0 7px; color: var(--coral); font-size: .75rem; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.program-body h3 { margin: 0; color: var(--teal-950); font-size: 1.42rem; font-weight: 850; letter-spacing: -.018em; line-height: 1.25; }
.featured-card .program-body h3 { font-size: clamp(1.55rem, 2.6vw, 2.1rem); }
.program-body p { margin: 13px 0 0; color: var(--muted); font-size: .94rem; line-height: 1.7; }
.program-body ul { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.program-body li { position: relative; padding-left: 23px; color: #315758; font-size: .9rem; }
.program-body li::before { content: "✓"; position: absolute; left: 0; color: var(--teal-500); font-weight: 900; }
.text-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 22px; color: var(--teal-700); font-weight: 850; text-decoration: none; }
.text-link span { color: var(--coral); transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }
.sub-links { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.sub-links a, .level-tags span { padding: 8px 11px; border: 1px solid var(--border); border-radius: 999px; color: var(--teal-700); background: var(--mint); font-size: .76rem; font-weight: 750; line-height: 1.25; text-decoration: none; }
.sub-links a:hover { border-color: var(--teal-500); background: var(--teal-100); }
.home-course-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 20px; color: var(--coral-dark); font-size: .88rem; font-weight: 850; text-decoration: none; }
.home-course-link span { transition: transform .2s ease; }
.home-course-link:hover span { transform: translateX(4px); }
.number { display: inline-block; margin-bottom: 10px; color: var(--coral); font-size: .73rem; font-weight: 900; letter-spacing: .12em; }
.level-tags { display: flex; gap: 8px; margin-top: 16px; }
.text-course { position: relative; min-height: 360px; display: flex; flex-direction: column; justify-content: flex-end; color: #fff; background: var(--teal-900); }
.text-course .program-body { position: relative; z-index: 1; }
.text-course h3, .text-course p, .text-course .number, .text-course .text-link { color: #fff; }
.text-course p { color: rgba(255,255,255,.82); }
.text-course .text-link span { color: var(--yellow); }
.program-icon { position: absolute; top: 26px; right: 28px; color: rgba(255,255,255,.13); font-size: 4.8rem; font-weight: 900; letter-spacing: -.08em; }
.coral-course { background: linear-gradient(150deg, #9b3352, #ef6258); }
.gold-course { background: linear-gradient(150deg, #c47a07, #f8bd35); }
.gold-course .program-body p, .gold-course .program-body h3, .gold-course .number, .gold-course .text-link { color: #523b0b; }
.gold-course .program-icon { color: rgba(82,59,11,.12); }
.gold-course .text-link span { color: #8a3300; }

.practice-section { background: #fff; }
.practice-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; }
.club-grid { display: grid; grid-template-columns: 1fr; gap: 30px; width: min(1040px, calc(100% - 40px)); }
.practice-visual { margin: 0; }
.practice-visual img { width: 100%; height: auto; border-radius: var(--radius-xl); object-fit: contain; box-shadow: var(--shadow); }
.club-visual img { width: 100%; height: auto; border-radius: var(--radius-xl); object-fit: contain; box-shadow: var(--shadow); }
.practice-copy > p:last-of-type, .club-copy > p { color: var(--muted); font-size: 1rem; }
.value-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 28px; }
.value-list div { display: flex; gap: 12px; align-items: flex-start; padding: 15px; border: 1px solid var(--border); border-radius: 16px; background: var(--mint); }
.value-list strong { color: var(--coral); font-size: .74rem; letter-spacing: .08em; }
.value-list span { color: #315758; font-size: .85rem; line-height: 1.5; }
.value-list b { display: block; color: var(--teal-950); }

.operation-section { position: relative; overflow: hidden; color: #fff; background: var(--teal-950); }
.operation-section::after { content: ""; position: absolute; width: 520px; height: 520px; right: -250px; bottom: -280px; border: 80px solid rgba(255,255,255,.035); border-radius: 50%; }
.light-heading { position: relative; z-index: 1; }
.light-heading .eyebrow { color: var(--yellow); }
.light-heading h2 { color: #fff; }
.operation-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.operation-grid article { padding: 26px 22px; border: 1px solid rgba(255,255,255,.14); border-radius: 20px; background: rgba(255,255,255,.07); }
.operation-grid span { color: var(--yellow); font-size: .74rem; font-weight: 900; letter-spacing: .12em; }
.operation-grid h3 { margin: 13px 0 0; color: #fff; font-size: 1.08rem; line-height: 1.35; }
.operation-grid p { margin: 10px 0 0; color: #c8e3e0; font-size: .86rem; line-height: 1.7; }
.operation-grid strong { color: #fff; }
.operation-note { position: relative; z-index: 1; max-width: 820px; margin: 23px auto 0; color: #b7d8d5; font-size: .82rem; text-align: center; }
.center-actions { position: relative; z-index: 1; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 30px; }
.operation-contact { position: relative; z-index: 1; display: grid; justify-items: center; gap: 16px; margin-top: 30px; text-align: center; }
.operation-contact h3 { margin: 0; color: #fff; font-size: clamp(1.25rem, 2.3vw, 1.75rem); line-height: 1.35; }
.button-red { min-width: 210px; border-color: var(--coral); color: #fff; background: var(--coral); }
.button-red:hover { border-color: #ff7c72; background: #ff7c72; }

.club-section { background: var(--mint); }
.club-visual { margin: 0; }
.check-list { margin: 25px 0 30px; padding: 0; list-style: none; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 30px; color: #315758; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; display: grid; width: 21px; height: 21px; place-items: center; border-radius: 50%; color: #fff; background: var(--teal-500); font-size: .75rem; font-weight: 900; }

.audience-section { background: #fff; }
.audience-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.audience-grid article { padding: 38px; border-radius: var(--radius-lg); background: var(--cream); box-shadow: inset 0 0 0 1px rgba(248,189,53,.27); }
.audience-grid article:last-child { background: var(--mint); box-shadow: inset 0 0 0 1px rgba(8,114,119,.15); }
.audience-label { display: inline-flex; padding: 7px 12px; border-radius: 999px; color: #fff; background: var(--coral); font-size: .78rem; font-weight: 850; }
.audience-grid h3 { margin: 20px 0 0; color: var(--teal-950); font-size: 1.45rem; }
.audience-grid p { margin: 11px 0 0; color: var(--muted); }

.media-section { background: linear-gradient(180deg, var(--cream), #fff); }
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.video-card { overflow: hidden; border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow); }
.video-card video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #0c2526; }
.video-card > div { padding: 22px 24px 24px; }
.video-card h3 { margin: 0; color: var(--teal-950); font-size: 1.16rem; }
.video-card p { margin: 7px 0 0; color: var(--muted); font-size: .9rem; }
.video-card-featured { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(300px, .92fr) 1.08fr; align-items: center; background: var(--teal-950); }
.video-card-featured .video-player { padding: 0; background: #0c2526; }
.video-card-featured .video-player video { height: 100%; min-height: 330px; object-fit: contain; }
.video-card-featured.portrait-feature .video-player video { max-height: 610px; aspect-ratio: 9 / 16; margin: 0 auto; }
.video-card-featured .video-copy { padding: 40px; }
.video-card-featured .video-copy h3 { color: #fff; font-size: clamp(1.55rem, 3vw, 2.55rem); line-height: 1.2; }
.video-card-featured .video-copy p:not(.video-kicker) { margin-top: 15px; color: #c8e3e0; font-size: 1rem; line-height: 1.75; }
.video-kicker { margin: 0 0 10px !important; color: var(--yellow) !important; font-size: .73rem !important; font-weight: 900; letter-spacing: .16em; }
.work-heading { max-width: 780px; margin: 76px auto 30px; text-align: center; }
.work-heading h3 { margin: 0; color: var(--teal-950); font-size: clamp(1.65rem, 3.4vw, 2.65rem); line-height: 1.2; }
.work-heading > p:last-child { margin: 16px auto 0; color: var(--muted); }
.work-gallery { display: grid; grid-template-columns: repeat(6, 1fr); gap: 22px; }
.work-card { grid-column: span 2; overflow: hidden; margin: 0; border: 1px solid var(--border); border-radius: 22px; background: #fff; box-shadow: 0 16px 38px rgba(4,63,67,.09); }
.work-card-wide { grid-column: span 3; }
.work-card img { width: 100%; height: auto; object-fit: contain; background: var(--mint); }
.work-card figcaption { display: grid; gap: 5px; padding: 18px 19px 21px; }
.work-card figcaption strong { color: var(--teal-950); font-size: .98rem; }
.work-card figcaption span { color: var(--muted); font-size: .82rem; line-height: 1.55; }

.faq-section { background: #fff; }
.faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; align-items: start; gap: 70px; }
.faq-heading { position: sticky; top: 120px; }
.faq-heading > p:not(.eyebrow) { color: var(--muted); }
.faq-list { display: grid; gap: 12px; }
.faq-list details { padding: 0 22px; border: 1px solid var(--border); border-radius: 18px; background: var(--mint); }
.faq-list summary { cursor: pointer; padding: 21px 36px 21px 0; color: var(--teal-950); font-weight: 800; line-height: 1.45; }
.faq-list details p { margin: 0; padding: 0 0 22px; color: var(--muted); }
.faq-list details::details-content { transition: block-size .2s ease; }

.final-cta { padding: 24px 0 90px; background: #fff; }
.final-card { position: relative; overflow: hidden; padding: 64px 8%; border-radius: 36px; background: linear-gradient(135deg, var(--cream), var(--mint)); text-align: center; box-shadow: inset 0 0 0 1px var(--border); }
.final-card::before, .final-card::after { content: ""; position: absolute; width: 180px; height: 180px; border: 40px solid rgba(13,145,142,.06); border-radius: 50%; }
.final-card::before { left: -100px; top: -100px; }
.final-card::after { right: -100px; bottom: -100px; }
.final-card > p:not(.eyebrow) { max-width: 720px; margin: 17px auto 0; color: var(--muted); }

.footer { padding: 56px 0 20px; color: #d8eeeb; background: #032f32; }
.footer-grid { display: grid; grid-template-columns: 1.15fr .75fr .9fr 1.2fr; gap: 38px; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img { width: 62px; height: 62px; object-fit: contain; }
.footer-brand strong { color: #fff; font-size: 1.06rem; letter-spacing: .04em; }
.footer p { margin: 6px 0 0; color: #a9cecb; font-size: .85rem; }
.footer h2 { margin: 0 0 10px; color: #fff; font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; }
.footer a { display: block; width: fit-content; margin-top: 7px; color: #d8eeeb; font-size: .87rem; text-decoration: none; }
.footer a:hover { color: var(--yellow); }
.footer-bottom { margin-top: 42px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); color: #86b3b0; font-size: .75rem; }
.floating-zalo { position: fixed; right: 20px; bottom: 20px; z-index: 50; display: grid; width: 58px; height: 58px; place-items: center; border: 4px solid #fff; border-radius: 50%; color: #fff; background: #0868ff; box-shadow: 0 14px 30px rgba(8,104,255,.32); font-size: .79rem; font-weight: 900; text-decoration: none; }

@media (max-width: 1020px) {
  .nav { display: none; }
  .header-inner > .button { margin-left: auto; }
  .hero { padding-top: 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-copy { max-width: 820px; }
  .hero-visual { width: min(820px, 100%); }
  .course-grid { grid-template-columns: 1fr; }
  .operation-grid { grid-template-columns: repeat(2, 1fr); }
  .practice-grid, .club-grid { gap: 40px; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 28px, 1180px); }
  .top-strip { padding: 6px 10px; font-size: .66rem; letter-spacing: .11em; }
  .header-inner { min-height: 76px; gap: 10px; }
  .brand img { width: 44px; height: 44px; }
  .brand strong { font-size: .85rem; }
  .brand small { display: block; max-width: 175px; margin-top: 3px; font-size: .54rem; line-height: 1.3; }
  .header-inner > .button { min-height: 38px; padding: 8px 11px; font-size: .72rem; }
  .hero { padding: 44px 0 56px; }
  .hero-grid { gap: 36px; }
  .eyebrow { font-size: .7rem; letter-spacing: .14em; }
  .hero h1 { font-size: clamp(2.5rem, 11.2vw, 4rem); line-height: 1.09; letter-spacing: -.012em; }
  .hero h1 .accent-line { margin-top: 7px; font-size: .66em; line-height: 1.28; }
  .hero-lead { margin-top: 21px; font-size: 1rem; line-height: 1.72; }
  .hero-pills { margin-top: 22px; }
  .hero-pills span { width: 100%; justify-content: flex-start; border-radius: 14px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .hero-visual img { border-width: 5px; border-radius: 24px; }
  .hero-visual figcaption { width: calc(100% - 22px); margin-top: -20px; padding: 15px 16px; }
  .hero-visual figcaption strong { font-size: .92rem; }
  .hero-visual figcaption span { font-size: .75rem; }
  .section { padding: 70px 0; }
  .section-heading { margin-bottom: 32px; text-align: left; }
  .section-heading h2, .practice-copy h2, .club-copy h2, .faq-heading h2, .final-card h2, .intro-card h2 { font-size: clamp(1.8rem, 8.2vw, 2.65rem); line-height: 1.2; letter-spacing: -.012em; }
  .section-heading > p:last-child { font-size: .95rem; }
  .intro-section { padding-top: 34px; }
  .intro-card { grid-template-columns: 1fr; gap: 18px; padding: 26px 22px; border-radius: 24px; }
  .intro-copy p { font-size: .94rem; }
  .path-words { justify-content: flex-start; overflow-x: auto; padding: 2px 2px 10px; white-space: nowrap; }
  .program-grid-featured, .course-grid, .practice-grid, .club-grid, .audience-grid, .video-grid, .faq-grid, .footer-grid { grid-template-columns: 1fr; }
  .video-card-featured { grid-column: auto; grid-template-columns: 1fr; }
  .video-card-featured .video-player video { min-height: 0; }
  .video-card-featured.portrait-feature .video-player video { width: min(100%, 390px); max-height: 610px; }
  .video-card-featured .video-copy { padding: 26px 22px 29px; }
  .work-heading { margin-top: 58px; text-align: left; }
  .work-gallery { grid-template-columns: 1fr; gap: 18px; }
  .work-card, .work-card-wide { grid-column: auto; }
  .program-grid, .course-grid { gap: 18px; }
  .featured-card > img, .program-card > img { width: 100%; height: auto; }
  .program-body, .featured-card .program-body { padding: 23px 21px; }
  .program-body h3 { font-size: 1.3rem; line-height: 1.32; }
  .featured-card .program-body h3 { font-size: 1.55rem; }
  .practice-grid, .club-grid { gap: 30px; }
  .practice-visual { order: 2; }
  .value-list { grid-template-columns: 1fr; }
  .operation-grid { grid-template-columns: 1fr; gap: 12px; }
  .operation-grid article { padding: 22px 20px; }
  .center-actions { display: grid; }
  .center-actions .button { width: 100%; }
  .audience-grid article { padding: 28px 24px; }
  .faq-grid { gap: 30px; }
  .faq-heading { position: static; }
  .faq-list summary { font-size: .94rem; }
  .final-cta { padding: 12px 0 70px; }
  .final-card { width: min(100% - 28px, 1180px); padding: 46px 22px; border-radius: 26px; }
  .footer-grid { gap: 28px; }
  .footer-bottom { margin-top: 30px; }
  .floating-zalo { right: 14px; bottom: 14px; width: 52px; height: 52px; }
}

@media (max-width: 360px) {
  .brand small { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}