:root{--orange:#f97316;--orange-dark:#ea580c;--orange-light:#ffedd5;--black:#0a0a0a;--black-soft:#1c1c1c;--ink:#1f2937;--muted:#6b7280;--bg:#fafaf9;--card:#fff;--border:#e7e5e4}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}a{color:inherit;text-decoration:none}.container{max-width:1000px;margin:0 auto;padding:0 20px}.brand-mark{background:var(--orange);color:var(--black);padding:2px 8px;border-radius:6px;font-weight:900;letter-spacing:.5px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:var(--black);color:#fff;border-bottom:3px solid var(--orange)}.nav-inner{justify-content:space-between;max-width:1100px;margin:0 auto;padding:12px 20px;flex-wrap:wrap;gap:10px}.nav-brand,.nav-inner{display:flex;align-items:center}.nav-brand{font-size:1.3rem;font-weight:800;gap:8px}.nav-links{display:flex;gap:4px;flex-wrap:wrap}.nav-links a{padding:8px 12px;border-radius:8px;font-weight:600;font-size:.92rem;transition:background .2s,color .2s}.nav-links a:hover{color:var(--orange)}.nav-links a.nav-cta{background:var(--orange);color:var(--black)}.nav-links a.nav-cta:hover{background:var(--orange-dark);color:#fff}.nav-links a.active{color:var(--orange)}.nav-call{display:none!important}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:10px;border:0;border-radius:10px;background:var(--black-soft);cursor:pointer}.nav-toggle span{display:block;height:3px;border-radius:2px;background:var(--orange);transition:transform .25s,opacity .2s}.nav-toggle.open span:first-child{transform:translateY(8px) rotate(45deg)}.nav-toggle.open span:nth-child(2){opacity:0}.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}@media (max-width:960px){.nav-inner{flex-wrap:nowrap;padding:8px 16px;position:relative}.nav-brand{font-size:1.15rem}.nav-logo{width:40px;height:40px}.nav-toggle{display:flex}.nav-links{display:none;position:absolute;top:calc(100% + 3px);left:0;right:0;flex-direction:column;gap:0;padding:6px 20px 20px;background:var(--black);border-bottom:3px solid var(--orange);box-shadow:0 16px 30px rgba(0,0,0,.35)}.nav-links.open{display:flex;animation:menuDown .2s ease-out}.nav-links a{padding:14px 4px;font-size:1.05rem;border-radius:0;border-bottom:1px solid #262626}.nav-links a:hover{background:none}.nav-links a.nav-cta{margin-top:16px;padding:13px;border:0;border-radius:12px;text-align:center}.nav-call{display:block!important;margin-top:10px;padding:12px!important;text-align:center;border:1px solid var(--orange)!important;border-radius:12px!important;color:var(--orange)}}@keyframes 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.accent{background:var(--black);color:var(--orange);padding:0 12px;border-radius:10px}.hero p{font-size:1.15rem;max-width:620px;margin:0 auto 26px}.section{padding:56px 0}.section h2{font-size:1.9rem;text-align:center;margin-bottom:8px;color:var(--black)}.section h2:after{content:"";display:block;width:56px;height:4px;border-radius:2px;background:var(--orange);margin:10px auto 0}.section .sub{text-align:center;color:var(--muted);margin-bottom:36px;max-width:680px;margin-left:auto;margin-right:auto}.section-dark{background:var(--black);color:#fff}.section-dark h2{color:#fff}.section-dark .sub{color:#d6d3d1;margin-bottom:26px}.grid{display:grid;grid-gap:20px;gap:20px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;box-shadow:0 2px 10px rgba(0,0,0,.04)}.card h3{color:var(--black);margin-bottom:8px;font-size:1.2rem}.card .tag{color:var(--orange-dark);font-weight:700;font-size:.9rem}.sport{position:relative;display:block;border-top:5px solid var(--orange);transition:transform .2s,box-shadow .2s}.sport:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(0,0,0,.1)}.sport.soon{border-top-color:var(--black)}.sport-icon{font-size:2.6rem;margin-bottom:6px}.sport .more{display:inline-block;margin-top:14px;font-weight:700;color:var(--orange-dark)}.badge{position:absolute;top:18px;right:18px;background:var(--orange);color:var(--black);padding:3px 12px;border-radius:20px;font-size:.78rem;font-weight:800}.badge-soon{background:var(--black);color:var(--orange);border:1px solid var(--orange)}.hero .badge{position:static;display:inline-block;letter-spacing:1px}.schedule{width:100%;border-collapse:collapse;background:var(--card);border-radius:14px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.04)}.schedule th{background:var(--black);color:var(--orange);padding:14px;text-align:left}.schedule td{padding:14px;border-top:1px solid var(--border)}.schedule tr:nth-child(2n) td{background:#f5f5f4}.schedule tr.row-full td{color:var(--muted)}.slot{display:inline-block;padding:3px 12px;border-radius:20px;font-size:.82rem;font-weight:800;white-space:nowrap}.slot-con{background:#dcfce7;color:#166534}.slot-sap-kin{background:var(--orange);color:var(--black)}.slot-kin{background:var(--black);color:#fff}.slot-mo{background:var(--orange-light);color:var(--orange-dark)}.slot-bar{height:6px;border-radius:3px;background:#e7e5e4;margin-top:8px;max-width:160px;overflow:hidden}.slot-bar span{display:block;height:100%;background:var(--orange);border-radius:3px}.row-full .slot-bar span{background:var(--black)}.slot-count{display:block;color:var(--muted);font-size:.78rem;margin-top:3px}.slot-note{text-align:center;color:var(--muted);font-size:.92rem;margin-top:14px}.footer-logo,.hero-logo,.nav-logo,.sport-logo{object-fit:contain;display:inline-block}.nav-logo{width:46px;height:46px}.hero-logo{width:150px;height:150px;margin-bottom:14px;filter:drop-shadow(0 8px 18px rgba(0,0,0,.3))}.footer-logo{width:84px;height:84px;margin-bottom:10px}.sport-logo{width:84px;height:84px;margin-bottom:6px;filter:drop-shadow(0 4px 10px rgba(0,0,0,.15))}.hero-collage{position:relative;background:var(--black);color:#fff}.collage{margin:0 auto;flex-direction:column}.collage,.collage-row{display:flex;gap:4px}.collage-mobile{display:none}.collage-item{flex-basis:0;min-width:0;overflow:hidden}.collage-item img{width:100%;height:100%;object-fit:cover;display:block}.hero-text{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;background:radial-gradient(ellipse at center,hsla(0,0%,4%,.78) 0,hsla(0,0%,4%,.5) 55%,hsla(0,0%,4%,.25) 100%)}.hero-text .eyebrow{color:var(--orange);font-weight:800;text-transform:uppercase;letter-spacing:2px;font-size:.85rem}.hero-text h1{font-size:3.6rem;font-weight:900;margin:6px 0 12px;text-shadow:0 4px 20px rgba(0,0,0,.5)}.hero-text .accent{color:var(--orange)}.hero-text p{font-size:1.15rem;max-width:600px;margin:0 auto}.hero-text .hero-actions{justify-content:center}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn-ghost{display:inline-block;padding:13px 26px;border-radius:30px;font-weight:700;border:2px solid #fff;color:#fff;transition:background .2s,color .2s}.btn-ghost:hover{background:#fff;color:var(--black)}.section-tips{color:#fff;scroll-margin-top:70px;background:radial-gradient(circle at 90% 0,rgba(249,115,22,.28),transparent 45%),radial-gradient(circle at 0 100%,rgba(249,115,22,.18),transparent 40%),var(--black)}.section-tips h2{color:#fff}.section-tips .sub{color:#d6d3d1;margin-bottom:30px}.tips-eyebrow{text-align:center;color:var(--orange);font-weight:800;text-transform:uppercase;letter-spacing:2px;font-size:.85rem;margin-bottom:4px}.tips{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 16px;scrollbar-color:var(--orange) transparent}.tip-card{flex:0 0 230px;scroll-snap-align:start;border-radius:16px;overflow:hidden;background:var(--black-soft);border:1px solid #333;transition:transform .2s,border-color .2s}.tip-card:hover{transform:translateY(-4px);border-color:var(--orange)}.tip-card video{width:100%;aspect-ratio:9/16;display:block;background:#000;object-fit:cover}.tips-ngang{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));overflow:visible;margin-top:18px}.tips-ngang .tip-card video{aspect-ratio:16/9}#video{scroll-margin-top:70px}.tip-info{padding:12px 14px 16px}.tip-info p{font-weight:700;line-height:1.35;margin-top:6px}.tip-tag{display:inline-block;background:var(--orange);color:var(--black);padding:2px 10px;border-radius:20px;font-size:.75rem;font-weight:800}.event{padding:0;overflow:hidden;display:flex;flex-direction:column;position:relative}.event-recap{position:absolute;top:12px;left:12px;background:var(--orange);color:var(--black);padding:3px 12px;border-radius:20px;font-size:.78rem;font-weight:800;pointer-events:none}.event-cover{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;border-bottom:4px solid var(--orange)}.event-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1}.event-meta{color:var(--muted);font-size:.92rem;margin-top:4px}.event-thumbs{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:6px;gap:6px;margin:14px 0 6px}.event-thumbs img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:8px;display:block}.album-head .more,.event .more{font-weight:700;color:var(--orange-dark);margin-top:auto;padding-top:8px}.coach{display:grid;grid-template-columns:320px 1fr;grid-gap:32px;gap:32px;align-items:center;max-width:860px;margin:0 auto}.coach img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:16px;display:block;box-shadow:10px 10px 0 var(--orange)}.coach h3{font-size:1.9rem;color:var(--black);margin:8px 0 4px}.badge-inline{display:inline-block;background:var(--black);color:var(--orange);padding:3px 12px;border-radius:20px;font-size:.8rem;font-weight:800}.assistants{max-width:860px;margin:36px auto 0;display:grid;grid-gap:16px;gap:16px}.assistant{display:flex;gap:20px;align-items:center;background:var(--bg);border:1px solid var(--border);border-left:4px solid var(--orange);border-radius:14px;padding:20px 22px}.assistant-avatar{width:84px;height:84px;border-radius:50%;object-fit:cover;flex-shrink:0}.assistant-icon{display:grid;place-items:center;background:var(--black);font-size:2.2rem}.assistant h4{font-size:1.2rem;margin:6px 0 4px;color:var(--black)}.assistant p{color:var(--ink)}.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:30px}.chip{padding:7px 14px;border-radius:20px;border:1px solid var(--border);background:#fff;font-weight:600;font-size:.9rem}.chip span{color:var(--orange-dark);margin-left:4px}.chip:hover{border-color:var(--orange)}.album{margin-bottom:44px;scroll-margin-top:90px}.album-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}.album-title{font-size:1.3rem;margin-bottom:14px;padding-left:12px;border-left:4px solid var(--orange)}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));grid-gap:10px;gap:10px}.gallery-item{display:block;padding:0;border:0;cursor:zoom-in;background:#eee;border-radius:10px;overflow:hidden;aspect-ratio:1}.gallery-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}.gallery-item:hover img{transform:scale(1.05)}.btn-outline{padding:10px 24px;border-radius:30px;border:2px solid var(--orange);background:#fff;color:var(--orange-dark);font-weight:700;font-size:.95rem;cursor:pointer}.btn-outline:hover{background:var(--orange);color:var(--black)}.lightbox{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.92);display:flex;align-items:center;justify-content:center;padding:20px}.lightbox 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1fr;grid-gap:32px;gap:32px;align-items:start}.contact-layout .contact-grid{grid-template-columns:1fr;gap:12px}.contact-heading{font-size:1.15rem;margin-bottom:14px}.contact-address{margin-top:16px;text-align:center}.contact-address .tag{display:inline-block;margin-top:6px}#dang-ky{scroll-margin-top:90px}.form-card{background:#fff;border:1px solid var(--border);border-top:4px solid var(--orange);border-radius:14px;padding:24px;box-shadow:0 2px 10px rgba(0,0,0,.04)}.form-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.form-grid label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.92rem}.form-grid label b{color:var(--orange-dark)}.form-grid .full{grid-column:1/-1}.form-grid input,.form-grid select,.form-grid textarea{font:inherit;font-weight:400;padding:11px 12px;border:1px solid #d6d3d1;border-radius:10px;background:#fff;color:var(--ink);width:100%}.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(249,115,22,.18)}.form-grid textarea{resize:vertical}.form-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}.form-error{color:#b91c1c;margin-top:14px;font-size:.92rem}.form-error a{font-weight:700;text-decoration:underline}.form-submit{width:100%;margin-top:18px;border:0;cursor:pointer;font-size:1.05rem}.form-submit:disabled{opacity:.6;cursor:wait}.form-done{text-align:center;padding:36px 24px}.form-done-icon{width:60px;height:60px;border-radius:50%;margin:0 auto 12px;display:grid;place-items:center;background:var(--orange);color:var(--black);font-size:2rem;font-weight:900}.form-done p{color:var(--muted);margin:6px 0 18px}.footer{background:var(--black);color:#d6d3d1;text-align:center;padding:34px 20px;border-top:3px solid var(--orange)}.footer-brand{font-size:1.3rem;font-weight:800;color:#fff;margin-bottom:8px}.footer-seo{margin-top:14px;font-size:.9rem;opacity:.8}.hashtags{margin-top:8px;display:flex;flex-wrap:wrap;gap:6px 12px;justify-content:center;font-size:.85rem;color:var(--orange)}.footer a{color:var(--orange);font-weight:600}@media (max-width:760px){.assistant{flex-direction:column;text-align:center}.schedule thead{display:none}.schedule,.schedule tbody,.schedule td,.schedule tr{display:block;width:100%}.schedule{background:none;box-shadow:none}.schedule tr{background:#fff;border:1px solid var(--border);border-left:4px solid var(--orange);border-radius:12px;padding:12px 16px;margin-bottom:12px}.schedule tr.row-full{border-left-color:var(--black)}.schedule td,.schedule tr:nth-child(2n) td{border:0;padding:3px 0;background:none}.schedule td[data-label="Giờ học"],.schedule td[data-label=Bu\1ED5i]{display:inline-block;width:auto;margin-right:12px}.schedule td[data-label="Tình trạng"]{margin-top:8px}.contact-layout,.form-grid{grid-template-columns:1fr}.form-card{padding:18px}.hero-text{position:static;background:var(--black);padding:30px 20px 26px}.hero-text .eyebrow{font-size:.78rem}.hero-text h1{font-size:2.5rem;margin:4px 0 8px}.hero-text p{font-size:1rem}.hero-text .hero-actions{flex-wrap:nowrap;gap:10px;margin-top:20px;width:100%;max-width:420px}.hero-text .hero-actions a{flex:1 1;padding:12px 6px;font-size:.88rem;text-align:center;white-space:nowrap}.hero-text .hero-actions a.cta{flex:1.4 1}.section{padding:42px 0}.section h2{font-size:1.6rem}.section .sub{margin-bottom:26px}.collage,.collage-row{gap:2px}.collage-desktop{display:none}.collage-mobile{display:flex}.coach{grid-template-columns:1fr;text-align:center}.coach img{max-width:300px;margin:0 auto}.gallery{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.tip-card{flex-basis:70%}.hero h1{font-size:2rem}}