[hidden]{display:none!important}
@media(max-width:899px){.header{-webkit-backdrop-filter:none!important;backdrop-filter:none!important}}
*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.6;color:var(--ink);background:var(--bg);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}a{color:inherit}button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.2;font-family:var(--head)}p{margin:0 0 1em}ul,ol{margin:0;padding:0}
svg{width:1em;height:1em;fill:currentColor;flex:0 0 auto}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:8px;z-index:200;background:#000;color:#fff;padding:8px 12px}.skip:focus{left:8px}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid var(--focus,#2563eb);outline-offset:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border-radius:var(--r-btn,10px);border:2px solid transparent;font-weight:600;text-decoration:none;cursor:pointer;line-height:1.2;text-align:center;transition:transform .15s,background .15s}
.btn:active{transform:translateY(1px)}.btn--sm{min-height:40px;padding:8px 14px;font-size:14px}.btn--block{width:100%}
.burger{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;padding:10px;flex-direction:column;justify-content:center;gap:5px}
.burger span{display:block;height:2px;background:currentColor;border-radius:2px;transition:.2s}
body.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}body.menu-open .burger span:nth-child(2){opacity:0}body.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field label,.field .lbl{font-weight:600;font-size:14px}
.field input,.field select,.field textarea{width:100%;min-height:46px;padding:10px 12px;border:1.5px solid var(--line-strong,#c8cdd6);border-radius:var(--r-in,8px);background:#fff;color:#16181d}
.field textarea{min-height:90px;resize:vertical}.field [aria-invalid=true]{border-color:#c62828}.err{color:#c62828;font-size:13px;min-height:0}
.form__ok{padding:12px 14px;border-radius:8px;background:#e8f5e9;color:#1b5e20;font-weight:500}.form__privacy{font-size:13px;color:var(--muted);margin:0}
.float{position:fixed;right:14px;bottom:18px;z-index:70;display:flex;flex-direction:column;gap:10px}
.float__btn{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.2);color:#fff}
.float__btn--zalo{background:#0068ff}.float__btn--zalo svg{width:34px;height:34px}.float__btn--call{background:#16a34a}.float__btn--call svg{width:24px;height:24px}
.demo-badge{position:fixed;left:12px;bottom:12px;z-index:60;font-size:12px;background:#111;color:#fff;padding:6px 10px;border-radius:6px;text-decoration:none}
.social{display:flex;gap:8px;margin-top:14px}.social a{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid currentColor;opacity:.85}.social svg{width:18px;height:18px}
details summary{cursor:pointer;list-style:none}details summary::-webkit-details-marker{display:none}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
:root{--ink:#0c2a3d;--bg:#ffffff;--aq:#0a8fb0;--aq-d:#066a84;--aq-l:#e2f6fb;--deep:#063b5c;--sun:#ffd23f;--coral:#ff6b57;--muted:#4b6474;--line:#d6e9ef;--line-strong:#a9cbd6;--font:"Be Vietnam Pro",system-ui,sans-serif;--head:"Fredoka",system-ui,sans-serif;--r-btn:16px;--r-in:14px;--focus:#0a8fb0}
h1,h2,h3{font-weight:600;color:var(--deep);letter-spacing:0}h2{font-size:clamp(30px,3.8vw,46px)}h3{font-size:22px}
.btn--a{background:var(--aq);color:#fff}.btn--a:hover{background:var(--aq-d)}.btn--y{background:var(--sun);color:var(--deep)}.btn--y:hover{background:#ffdc66}.btn--w{background:#fff;color:var(--deep);border-color:var(--line-strong)}
.header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 2px 0 var(--line)}.header__inner{display:flex;align-items:center;gap:18px;min-height:72px}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;font-family:var(--head);font-weight:700;font-size:24px;color:var(--deep)}.logo__mark{width:42px;height:42px;border-radius:14px;background:var(--aq);color:#fff;display:grid;place-items:center;transform:rotate(-6deg)}.logo__mark svg{width:26px;height:26px}
.nav{margin-left:auto;display:flex;align-items:center;gap:24px}.nav ul{display:flex;gap:22px;list-style:none}.nav a{text-decoration:none;font-weight:600}.nav ul a:hover{color:var(--aq)}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--sun);color:var(--deep);font-weight:700;font-size:14px;border-radius:999px;padding:6px 14px;margin-bottom:14px}
.section{padding:84px 0}.sec-h{text-align:center;max-width:680px;margin:0 auto 38px}.sec-h p{color:var(--muted)}
.hero{background:var(--aq-l);position:relative;padding:56px 0 120px;overflow:hidden}.hero__grid{display:grid;gap:36px;align-items:center}.hero h1{font-size:clamp(38px,5.4vw,68px);line-height:1.05;margin-bottom:16px}.hero h1 span{color:var(--aq)}.hero p{color:var(--muted);font-size:18px;max-width:520px}
.hero__btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.hero__pic{position:relative}.hero__pic img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:46% 54% 42% 58% / 52% 44% 56% 48%;border:8px solid #fff;box-shadow:0 30px 60px rgba(6,59,92,.18)}
.badge{position:absolute;background:#fff;border-radius:18px;padding:12px 16px;box-shadow:0 12px 30px rgba(6,59,92,.15);font-weight:700;font-size:14px;display:flex;gap:10px;align-items:center}.badge b{font-family:var(--head);font-size:26px;color:var(--coral)}.badge--1{left:-6px;bottom:30px}.badge--2{right:0;top:20px}
.wave{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:90px;display:block}
.ages{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:28px}.tab{font:inherit;font-weight:700;border:2px solid var(--line-strong);background:#fff;color:var(--deep);border-radius:999px;padding:10px 20px;cursor:pointer}.tab[aria-pressed=true]{background:var(--deep);border-color:var(--deep);color:#fff}
.cs{display:grid;gap:22px}.co{background:#fff;border:2px solid var(--line);border-radius:26px;overflow:hidden;text-decoration:none;display:flex;flex-direction:column;transition:transform .2s,border-color .2s}.co:hover{transform:translateY(-4px);border-color:var(--aq)}.co[hidden]{display:none}
.co__img{position:relative}.co__img img{width:100%;aspect-ratio:4/3;object-fit:cover}.co__age{position:absolute;left:14px;bottom:-14px;background:var(--coral);color:#fff;font-weight:700;font-size:13px;border-radius:999px;padding:6px 12px}
.co__b{padding:26px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}.co__b p{color:var(--muted);font-size:15px;margin:0}.co__m{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;font-weight:600;color:var(--aq-d)}.co__m span{background:var(--aq-l);border-radius:8px;padding:4px 9px}
.co__p{margin-top:auto;padding-top:10px;display:flex;justify-content:space-between;align-items:center;font-family:var(--head);font-size:22px;color:var(--deep)}.co__p small{font-family:var(--font);font-size:13px;color:var(--muted)}
.sch{background:var(--deep);color:#d9eef5}.sch h2{color:#fff}.sch .sec-h p{color:#a9cfdc}.tw{overflow-x:auto;border-radius:20px;background:#0a4a70}.tt{width:100%;min-width:620px;border-collapse:collapse;font-size:15px}.tt th,.tt td{padding:14px 12px;text-align:center;border-bottom:1px solid rgba(255,255,255,.1)}.tt th{color:var(--sun);font-family:var(--head);font-weight:600;font-size:17px}.tt td:first-child{font-weight:700;color:#fff;text-align:left}
.dot{display:inline-block;padding:4px 10px;border-radius:8px;font-size:13px;font-weight:600}.d1{background:#ffd23f;color:#063b5c}.d2{background:#7fdcf0;color:#063b5c}.d3{background:#ff8f7f;color:#3a0d06}
.why{display:grid;gap:36px;align-items:center}.feat{display:grid;grid-template-columns:1fr 1fr;gap:14px}.ft{background:var(--aq-l);border-radius:22px;padding:20px}.ft b{font-family:var(--head);font-size:32px;color:var(--aq);display:block;line-height:1.1}.ft span{font-size:15px;color:var(--muted)}
.why__pics{display:grid;grid-template-columns:1.4fr 1fr;gap:12px}.why__pics img{width:100%;height:100%;object-fit:cover;border-radius:24px}.why__pics img:first-child{grid-row:span 2;aspect-ratio:3/4}.why__pics img:not(:first-child){aspect-ratio:1}
.safe{background:var(--sun);border-radius:30px;padding:34px;display:grid;gap:24px;align-items:center}.safe h2{font-size:clamp(28px,3.4vw,40px)}.safe ul{list-style:none;display:grid;gap:10px}.safe li{display:flex;gap:10px;font-weight:600}.safe svg{width:22px;height:22px;flex:none}.safe img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:22px}
.reg{display:grid;gap:30px;align-items:start}.reg form{background:#fff;border:2px solid var(--line);border-radius:28px;padding:28px;display:grid;gap:14px;box-shadow:0 20px 50px rgba(6,59,92,.08)}.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.faq details{border-bottom:2px solid var(--line);padding:16px 0}.faq summary{font-weight:700;display:flex;justify-content:space-between;gap:12px;color:var(--deep)}.faq summary::after{content:"+";font-family:var(--head);font-size:24px;line-height:1;color:var(--aq)}.faq details[open] summary::after{content:"−"}.faq p{margin:8px 0 0;color:var(--muted)}
.footer{background:var(--deep);color:#b8d6e2;padding:60px 0 0;font-size:15px}.footer .logo{color:#fff}.footer__grid{display:grid;gap:28px}.footer__title{color:#fff;font-size:20px}.footer__links{list-style:none;display:grid;gap:8px}.footer__links a{text-decoration:none}.footer__links a:hover{color:var(--sun)}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;border-top:1px solid rgba(255,255,255,.15);margin-top:40px;padding-top:18px;padding-bottom:90px;font-size:13px}.footer__bottom p{margin:0}
.bc{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--muted);padding:22px 0}.bc a{color:var(--aq-d);font-weight:600;text-decoration:none}
.pd{display:grid;gap:36px;padding-bottom:70px;align-items:start}.pd__img img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:30px}.pd h1{font-size:clamp(34px,4.6vw,54px);margin-bottom:12px}.pd__lead{font-size:18px;color:var(--muted)}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}.kv div{background:var(--aq-l);border-radius:16px;padding:12px 14px}.kv small{display:block;color:var(--muted);font-size:13px}.kv b{color:var(--deep)}
.steps{list-style:none;counter-reset:s;display:grid;gap:10px;margin:10px 0 22px}.steps li{counter-increment:s;display:flex;gap:12px;align-items:center;font-weight:600}.steps li::before{content:counter(s);width:34px;height:34px;flex:none;border-radius:12px;background:var(--sun);display:grid;place-items:center;font-family:var(--head);color:var(--deep)}
.slots{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 18px}.slot{font:inherit;font-size:14px;font-weight:600;border:2px solid var(--line-strong);background:#fff;color:var(--deep);border-radius:12px;padding:8px 12px;cursor:pointer}.slot[aria-pressed=true]{background:var(--aq);border-color:var(--aq);color:#fff}
.buybox{background:var(--deep);color:#fff;border-radius:24px;padding:22px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}.buybox b{font-family:var(--head);font-size:30px;color:var(--sun);display:block;line-height:1.1}
.rel{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.rel .co__b{padding:20px 14px 14px}.rel h3{font-size:18px}
@media(min-width:640px){.cs{grid-template-columns:1fr 1fr}.rel{grid-template-columns:repeat(3,1fr)}}
@media(min-width:960px){.hero__grid{grid-template-columns:1.05fr .95fr;gap:56px}.cs{grid-template-columns:repeat(3,1fr)}.why{grid-template-columns:1fr 1fr;gap:64px}.safe{grid-template-columns:1.1fr .9fr;padding:48px}.reg{grid-template-columns:.9fr 1.1fr;gap:60px}.footer__grid{grid-template-columns:1.5fr 1fr 1fr}.pd{grid-template-columns:1fr 1fr;gap:60px}.pd__img{position:sticky;top:96px}}
@media(max-width:899px){.burger{display:flex}.nav{position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:#fff;flex-direction:column;align-items:stretch;padding:90px 24px 24px;gap:18px;transform:translateX(100%);transition:transform .25s;box-shadow:-10px 0 40px rgba(0,0,0,.15);z-index:60}
body.menu-open .nav{transform:none}.nav ul{flex-direction:column;gap:2px}.nav ul a{display:block;padding:12px 0;font-size:19px;border-bottom:1px solid var(--line)}.burger{position:relative;z-index:61}}
@media(max-width:480px){.container{padding:0 16px}.row2{grid-template-columns:1fr}.section{padding:60px 0}.reg form{padding:20px}.safe{padding:22px}.hero{padding:34px 0 90px}.badge{font-size:12px;padding:8px 12px}.badge b{font-size:20px}.feat{gap:10px}.ft{padding:14px}.ft b{font-size:26px}.wave{height:50px}}
.hero__grid>*,.why>*,.safe>*,.reg>*,.pd>*{min-width:0}