:root{--green:#005647;--deep:#003a31;--forest:#003e36;--gold:#f1d27c;--gold-text:#b8913a;--champagne:#e2d7b8;--ink:#172f2a;--muted:#61736d;--pale:#f3f6f3;--line:#dce5df;--white:#fff;--radius:10px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:'DM Sans',Arial,sans-serif;color:var(--ink);font-size:16px;line-height:1.65;background:#fff;-webkit-font-smoothing:antialiased}
h1,h2,h3,p,figure,ol,ul{margin:0}
h1,h2,h3{font-family:Manrope,Arial,sans-serif;line-height:1.15}
h2{font-size:clamp(28px,3.4vw,38px);font-weight:800;letter-spacing:-1px}
h3{font-size:19px;font-weight:800;letter-spacing:-.3px}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
img{display:block;max-width:100%;height:auto}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--gold-text);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:#fff;padding:8px 14px;border-radius:4px}
.skip:focus{left:8px}
.wrap{width:min(1160px,calc(100% - 64px));margin:auto}
.section{padding:88px 0}
.pale{background:var(--pale)}
.dark{background:var(--deep);color:#fff}
.eyebrow,.small-label{display:block;font-size:11px;font-weight:700;letter-spacing:2px;color:var(--green);line-height:1.6}
.eyebrow{margin-bottom:14px}
.light{color:var(--champagne)!important}
.lead{font-size:17px;color:var(--muted);max-width:620px}
.lead.light{color:rgba(255,255,255,.78)!important}
.fine{font-size:12px;line-height:1.6;color:var(--muted)}
.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:15px 24px;border-radius:3px;font-size:14px;font-weight:700;border:1px solid transparent;transition:background .2s,color .2s,transform .2s;white-space:nowrap}
.button:hover{transform:translateY(-1px)}
.button-gold{background:var(--gold);color:var(--deep)}
.button-gold:hover{background:#f7e09a}
.button-green{background:var(--green);color:#fff}
.button-green:hover{background:var(--deep)}
.button-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.button-ghost:hover{background:rgba(255,255,255,.1)}
.button-outline{border-color:var(--green);color:var(--green)}
.button-outline:hover{background:var(--green);color:#fff}
.text-link{font-size:14px;font-weight:700;color:var(--green)}
.inline-button{background:none;border:0;padding:0;text-decoration:underline;color:var(--green);font-weight:600}

/* header */
.header{position:fixed;inset:0 0 auto;z-index:50;height:76px;border-bottom:1px solid rgba(255,255,255,.14);transition:background .25s,box-shadow .25s}
.header.scrolled{background:rgba(0,58,49,.96);backdrop-filter:blur(8px);box-shadow:0 8px 24px rgba(0,0,0,.12)}
.header-in{height:100%;display:flex;align-items:center;gap:28px}
.brand img{width:168px}
#main-nav{display:flex;gap:24px;margin-left:auto}
#main-nav a{color:rgba(255,255,255,.86);font-size:14px;font-weight:600}
#main-nav a:hover{color:var(--gold)}
.header-actions{display:flex;align-items:center;gap:14px}
.lang{display:flex;border:1px solid rgba(255,255,255,.35);border-radius:3px;overflow:hidden}
.lang button{background:none;border:0;color:#fff;font-size:12px;font-weight:700;padding:7px 10px;letter-spacing:1px}
.lang button[aria-pressed="true"]{background:var(--gold);color:var(--deep)}
.header-cta{padding:11px 18px}
.menu-toggle{display:none;background:none;border:0;width:40px;height:40px;padding:10px 8px;flex-direction:column;justify-content:space-between}
.menu-toggle span{display:block;height:2px;background:#fff;border-radius:2px}

/* hero — cinematic with inline booking */
.hero{position:relative;isolation:isolate;min-height:min(100vh,900px);background:#012722;color:#fff;overflow:hidden;display:flex;align-items:center;padding:110px 0 70px}
.hero-photo{position:absolute;z-index:-1;right:0;top:0;bottom:0;width:62%;background:linear-gradient(90deg,#003e36,#005647)}
.hero-photo img{position:absolute;right:6%;bottom:0;height:96%;width:auto;max-width:none;mask-image:linear-gradient(90deg,transparent 0,#000 18%,#000 82%,transparent 100%);-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18%,#000 82%,transparent 100%);animation:photo-in 1.2s cubic-bezier(.2,.7,.2,1) both}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#012722 0%,rgba(1,39,34,.85) 18%,rgba(1,39,34,0) 48%),linear-gradient(0deg,#012722 0%,rgba(1,39,34,0) 30%)}
.hero-inner{position:relative;width:min(1240px,calc(100% - 64px))}
.hero-copy{max-width:640px}
.hero-tag{display:inline-flex;gap:12px;align-items:center;font-size:12px;letter-spacing:2.5px;text-transform:uppercase;font-weight:700;color:var(--gold);margin-bottom:22px}
.hero-tag i{width:38px;height:1.5px;background:var(--gold)}
.hero h1{display:grid;font-weight:800;font-size:clamp(62px,8vw,124px);line-height:.88;letter-spacing:-.05em;text-transform:uppercase}
.h1-outline{color:transparent;-webkit-text-stroke:2px var(--gold)}
.hero-sub{font-size:18px;line-height:1.6;color:rgba(255,255,255,.8);max-width:480px;margin:24px 0 30px}
.hero .hero-form{position:relative;max-width:660px;background:none;padding:0;border-radius:0;box-shadow:none;color:#fff}
.hero-fields{display:flex;gap:6px;align-items:stretch;background:rgba(255,255,255,.08);border:1px solid rgba(241,210,124,.4);backdrop-filter:blur(10px);border-radius:60px;padding:7px}
.hero-fields label{flex:1;min-width:0;display:flex}
.hero-fields label+label{border-left:1px solid rgba(255,255,255,.18)}
.hero-fields input{width:100%;background:transparent;border:0;border-radius:0;color:#fff;font-size:15px;padding:0 16px;outline:0}
.hero-fields input::placeholder{color:rgba(255,255,255,.6)}
.hero-fields input:focus{outline:0;background:rgba(255,255,255,.06);border-radius:30px}
.validated .hero-fields input:invalid{box-shadow:inset 0 -2px 0 #ff8a80}
.hero .hero-submit{width:auto;flex:none;border:0;border-radius:40px;background:var(--gold);color:var(--deep);font-weight:800;font-size:15px;padding:15px 24px;white-space:nowrap;transition:background .2s,transform .2s}
.hero-submit:hover{background:#f7e09a;transform:translateY(-1px)}
.hero-consent{display:flex;gap:9px;align-items:center;margin-top:12px;padding-left:18px;font-size:12.5px;color:rgba(255,255,255,.62)}
.hero-consent input{width:16px;height:16px;accent-color:var(--gold);flex:none}
.hero-consent .inline-button{color:var(--gold)}
.validated .hero-consent input:invalid{outline:2px solid #ff8a80}
.hero-form .form-status{margin:8px 0 0 18px;color:var(--gold)}
.hero-form .form-status.error{color:#ff9e94}
.hero .hero-success{position:absolute;inset:0;bottom:auto;min-height:100%;display:flex;flex-direction:row;align-items:center;gap:14px;text-align:left;justify-content:flex-start;background:#023a32;border:1px solid rgba(241,210,124,.4);border-radius:22px;padding:14px 18px;color:#fff}
.hero-success h3{font-size:16px;color:var(--gold)}.hero-success p{font-size:13px;color:rgba(255,255,255,.75);margin:2px 0}
.hero-success .inline-button{color:var(--gold);font-size:13px}
.hero-success .success-check{width:40px;height:40px;font-size:18px;flex:none}
.hero-creds{position:absolute;right:0;bottom:-30px;list-style:none;margin:0;padding:0;display:grid;gap:10px;width:280px}
.hero-creds li{display:flex;gap:14px;align-items:center;background:rgba(1,39,34,.72);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:12px 16px;font-size:13px;line-height:1.35}
.hero-creds b{font-family:Manrope,Arial,sans-serif;font-size:22px;color:var(--gold);min-width:30px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@keyframes photo-in{from{transform:translateX(24px)}to{transform:none}}

/* section heads */
.section-head{margin-bottom:44px;display:grid;gap:14px}
.section-head h2{max-width:720px}
.section-head.split{grid-template-columns:1fr 1fr;align-items:end;gap:40px}

/* credentials */
.creds{background:linear-gradient(180deg,#f5efe3 0%,#fbf8f2 100%)}
.creds-head{display:grid;grid-template-columns:1fr auto;align-items:end;gap:40px;margin-bottom:44px}
.creds-head h2{font-size:clamp(34px,4.4vw,56px);letter-spacing:-1.6px;line-height:1.05;color:var(--deep)}
.creds-head h2 em{font-family:Georgia,'Times New Roman',serif;font-weight:400;color:var(--gold-text)}
.creds-count{display:flex;align-items:center;gap:16px;max-width:330px;border-left:2px solid var(--gold-text);padding-left:18px}
.creds-count b{font-family:Manrope,Arial,sans-serif;font-size:56px;line-height:1;color:var(--deep)}
.creds-count span{font-size:13.5px;color:var(--muted);line-height:1.5}
.cert-grid{display:grid;grid-template-columns:1.36fr 1fr 1fr;align-items:start;grid-template-rows:auto auto;gap:22px}
.cert{margin:0;display:flex;flex-direction:column;gap:14px}
.cert-main{grid-row:1/3}
.cert-frame{position:relative;display:block;width:100%;padding:12px;border:0;border-radius:6px;background:#fff;box-shadow:0 1px 0 rgba(0,0,0,.04),0 18px 40px -18px rgba(0,58,49,.35);outline:1px solid rgba(184,145,58,.35);outline-offset:-6px;transition:transform .3s,box-shadow .3s;cursor:zoom-in}
.cert-frame img{width:100%;height:auto;border-radius:2px}
.cert:not(.cert-main) .cert-frame img{aspect-ratio:4/3;object-fit:cover;object-position:top}
.cert-frame:hover{transform:translateY(-4px) rotate(-.4deg);box-shadow:0 30px 50px -20px rgba(0,58,49,.45)}
.cert-zoom{position:absolute;right:18px;bottom:18px;width:34px;height:34px;border-radius:50%;background:var(--deep);color:var(--gold);display:grid;place-items:center;font-size:15px;opacity:0;transition:opacity .2s}
.cert-frame:hover .cert-zoom,.cert-frame:focus-visible .cert-zoom{opacity:1}
.cert figcaption{display:grid;gap:3px;padding:0 4px}
.cert-tag{font-size:11px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--gold-text)}
.cert figcaption strong{font-family:Manrope,Arial,sans-serif;font-size:17px;line-height:1.3;color:var(--deep)}
.cert-main figcaption strong{font-size:21px}
.cert-issuer{font-size:13.5px;color:var(--muted)}
.edu-strip{display:grid;grid-template-columns:1fr 1fr 1.3fr;margin-top:44px;border-radius:14px;overflow:hidden;background:var(--deep);color:#fff}
.edu{padding:24px 26px;display:grid;gap:4px;align-content:start}
.edu+.edu{border-left:1px solid rgba(255,255,255,.12)}
.edu-k{font-size:11px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;color:var(--gold)}
.edu strong{font-family:Manrope,Arial,sans-serif;font-size:18px}
.edu span:last-child{font-size:14px;color:var(--champagne)}
.edu-more span:last-child{line-height:1.6}
.creds-note{margin-top:14px}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.about-grid h2{margin-bottom:18px}
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:30px}
.pillars div{background:#fff;border-radius:var(--radius);padding:18px;display:grid;gap:4px}
.pillars span{font-family:Manrope,Arial,sans-serif;font-weight:800;color:var(--gold-text);font-size:13px}
.pillars strong{font-family:Manrope,Arial,sans-serif;font-size:16px}
.timeline{list-style:none;padding:0;position:relative}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--line)}
.timeline li{position:relative;padding:0 0 26px 36px;display:grid;gap:2px}
.timeline li::before{content:"";position:absolute;left:0;top:5px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--green)}
.timeline li:last-child::before{background:var(--gold);border-color:var(--gold)}
.t-mark{font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--gold-text)}
.timeline strong{font-weight:600;font-size:16px}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{position:relative;padding:0;border:0;border-radius:var(--radius);overflow:hidden;background:#0b2b25;aspect-ratio:4/3}
.case img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.case:hover img{transform:scale(1.03)}
.case-label{position:absolute;left:12px;top:12px;background:rgba(0,58,49,.88);color:var(--gold);font-size:12px;font-weight:700;letter-spacing:1px;padding:5px 10px;border-radius:3px}

/* services */
.services{position:relative;background:#f5efe3;color:var(--ink);overflow:hidden}
.services::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(0,86,71,.12) 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(180deg,#000,transparent 60%);-webkit-mask-image:linear-gradient(180deg,#000,transparent 60%);pointer-events:none}
.services .wrap{position:relative}
.services-head{text-align:center;max-width:720px;margin:0 auto 54px;display:grid;gap:14px;justify-items:center}
.services-head h2{font-size:clamp(34px,4.4vw,54px);letter-spacing:-1.6px;line-height:1.06;color:var(--deep)}
.services-head h2 em{font-family:Georgia,'Times New Roman',serif;font-weight:400;color:var(--gold-text)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc{position:relative;display:flex;flex-direction:column;gap:16px;padding:34px 30px 30px;border-radius:22px;background:radial-gradient(120% 70% at 100% 0%,#0b6a58 0%,transparent 60%),linear-gradient(165deg,#014236,#012722);color:#fff;border:1px solid rgba(241,210,124,.25);box-shadow:0 24px 50px -30px rgba(0,58,49,.7);overflow:hidden;transition:transform .35s,border-color .35s,box-shadow .35s}
.svc::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,transparent,var(--gold),transparent);transform:scaleX(0);transition:transform .45s}
.svc:hover{transform:translateY(-8px);border-color:rgba(241,210,124,.6);box-shadow:0 30px 60px -25px rgba(0,0,0,.6),0 0 0 1px rgba(241,210,124,.15)}
.svc:hover::after{transform:scaleX(1)}
.svc-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:6px}
.svc-num{font-family:Manrope,Arial,sans-serif;font-weight:800;font-size:15px;letter-spacing:2px;color:var(--gold)}
.svc-icon{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 30% 30%,rgba(241,210,124,.25),rgba(241,210,124,.05));border:1px solid rgba(241,210,124,.35);transition:transform .45s}
.svc:hover .svc-icon{transform:rotate(-8deg) scale(1.06)}
.svc-icon svg{width:52px;height:52px;fill:none;stroke:var(--gold);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.svc h3{font-size:26px;letter-spacing:-.6px;line-height:1.15}
.svc p{color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.6}
.svc ul{list-style:none;margin:0;padding:16px 0 0;border-top:1px solid rgba(255,255,255,.12);display:grid;gap:10px}
.svc li{position:relative;padding-left:24px;font-size:14.5px;color:rgba(255,255,255,.88);line-height:1.5}
.svc li::before{content:"";position:absolute;left:0;top:7px;width:12px;height:7px;border-left:2px solid var(--gold);border-bottom:2px solid var(--gold);transform:rotate(-45deg)}
.svc-actions{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.svc-cta{display:inline-flex;align-items:center;gap:12px;background:var(--gold);color:var(--deep);border-radius:40px;padding:6px 6px 6px 20px;font-weight:800;font-size:14px;transition:background .2s}
.svc-cta i{font-style:normal;width:36px;height:36px;border-radius:50%;background:var(--deep);color:var(--gold);display:grid;place-items:center;transition:transform .25s}
.svc-cta:hover{background:#f7e09a}.svc-cta:hover i{transform:rotate(-45deg)}
.svc-link{font-size:14px;font-weight:700;color:var(--gold);border-bottom:1px solid rgba(241,210,124,.4);padding-bottom:2px}

/* pricing */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tab{background:#fff;border:1px solid var(--line);border-radius:30px;padding:9px 16px;font-size:14px;font-weight:600;color:var(--ink)}
.tab[aria-selected="true"]{background:var(--green);border-color:var(--green);color:#fff}
.price-panel{background:#fff;border-radius:var(--radius);padding:8px 24px 22px;box-shadow:0 1px 0 var(--line)}
.table-wrap{overflow-x:auto}
.price-table{width:100%;border-collapse:collapse;font-size:15px}
.price-table th,.price-table td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.price-table thead th{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--muted);font-weight:700}
.price-table tbody th{font-family:Manrope,Arial,sans-serif;font-weight:700}
.price-table td{font-variant-numeric:tabular-nums;font-weight:600}
.price-table td.origin{color:var(--muted);font-weight:400}
.price-note{margin-top:16px;font-size:13.5px;color:var(--muted)}
.price-cta{margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;background:var(--deep);color:#fff;border-radius:var(--radius);padding:22px 26px}
.price-cta p{font-family:Manrope,Arial,sans-serif;font-weight:700;font-size:18px}
.price-cta .button-green{background:var(--gold);color:var(--deep)}

/* process */
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
.steps li{border-top:2px solid var(--green);padding:22px 4px 0;display:grid;gap:8px;align-content:start}
.steps span{font-family:Manrope,Arial,sans-serif;font-weight:800;font-size:30px;color:var(--gold-text);line-height:1}
.steps p{color:var(--muted);font-size:15px}

/* faq */
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:start}
.faq-grid h2{margin-bottom:12px}
.faq-grid .lead{margin-bottom:22px}
.faq-list{display:grid;gap:10px}
details{background:#fff;border-radius:var(--radius);padding:0 22px}
summary{list-style:none;padding:18px 30px 18px 0;font-family:Manrope,Arial,sans-serif;font-weight:700;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:0;top:14px;font-size:22px;color:var(--green);font-weight:400}
details[open] summary::after{content:"–"}
details p{padding-bottom:20px;color:var(--muted)}

/* booking */
.book{background:linear-gradient(120deg,var(--forest),var(--deep) 60%,var(--green));color:#fff}
.book-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.book-copy h2{margin-bottom:14px}
.contact-card{margin:28px 0;padding:20px 22px;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);display:grid;gap:6px}
.contact-card a{font-family:Manrope,Arial,sans-serif;font-size:22px;font-weight:800;color:var(--gold)}
.contact-card p{color:rgba(255,255,255,.75);font-size:14px}
.book-photo{border-radius:var(--radius);aspect-ratio:16/10;object-fit:cover;width:100%}
.lead-form{position:relative;background:#fff;color:var(--ink);border-radius:var(--radius);padding:30px;box-shadow:0 30px 60px rgba(0,0,0,.25)}
.form-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:12px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px;margin-bottom:16px}
.form-grid label{display:grid;gap:6px;font-size:13px;font-weight:600}
.form-grid .full{grid-column:1/-1}
input,select,textarea{width:100%;border:1px solid #cbd8d1;border-radius:4px;padding:12px 13px;background:#fff;font-size:15px}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--green);outline:2px solid rgba(0,86,71,.18)}
.validated :invalid{border-color:#b3261e}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin-bottom:18px}
.consent input{width:18px;height:18px;margin-top:2px;flex:none;accent-color:var(--green)}
.validated .consent input:invalid{outline:2px solid #b3261e}
.submit{width:100%;padding:17px}
.form-status{min-height:22px;margin:12px 0 4px;font-size:14px;color:var(--green)}
.form-status.error{color:#b3261e}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-success{position:absolute;inset:0;background:#fff;border-radius:var(--radius);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;padding:30px}
.success-check{width:56px;height:56px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-size:26px}
.form-success p{color:var(--muted);max-width:380px}

/* footer */
footer{background:#02221d;color:rgba(255,255,255,.75);padding:56px 0 24px;font-size:14px}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-main img{width:180px;margin-bottom:14px}
.footer-main div{display:grid;gap:8px;align-content:start}
.footer-main a:hover{color:var(--gold)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px 28px;padding-top:20px;font-size:12px;align-items:center}
.footer-bottom button{background:none;border:0;padding:0;color:inherit;text-decoration:underline}
.footer-bottom p:last-child{margin-left:auto}

/* floating + mobile */
.zalo-float{position:fixed;right:22px;bottom:22px;z-index:40;width:58px;height:58px;border-radius:50%;background:#0068ff;color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px;box-shadow:0 10px 26px rgba(0,104,255,.35)}
.zalo-float:hover{transform:scale(1.05)}
.mobile-cta{display:none}
dialog{border:0;border-radius:var(--radius);padding:30px;max-width:min(900px,calc(100% - 32px));width:100%}
dialog::backdrop{background:rgba(0,30,25,.75)}
#privacy-dialog{max-width:560px}
#privacy-dialog h2{font-size:26px;margin-bottom:12px}
#privacy-dialog p{margin-bottom:10px;color:var(--muted)}
#image-dialog img{width:100%;border-radius:6px}
#image-dialog p{margin-top:12px;font-size:14px;color:var(--muted)}
.dialog-close{position:absolute;right:10px;top:6px;background:none;border:0;font-size:30px;line-height:1;color:var(--muted)}
.noscript{position:fixed;bottom:0;inset-inline:0;background:#fff3cd;padding:12px;text-align:center;z-index:99}

@media (max-width:1080px){
  #main-nav{position:fixed;top:76px;left:0;right:0;background:var(--deep);flex-direction:column;gap:0;padding:8px 32px 20px;display:none}
  #main-nav.open{display:flex}
  #main-nav a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
  .menu-toggle{display:flex;height:32px}
  .header-actions{margin-left:auto}
  .cert-grid{grid-template-columns:1fr 1fr}
  .cert-main{grid-row:auto;grid-column:1/-1;max-width:420px;justify-self:center}
  .svc-grid{gap:14px}
  .svc{padding:28px 22px 24px}
}
@media (max-width:820px){
  .wrap{width:calc(100% - 32px)}
  .section{padding:64px 0}
  .header{height:64px}
  #main-nav{top:64px;padding:8px 16px 18px}
  .header-cta{display:none}
  .brand img{width:136px}
  .hero{display:block;padding:0 0 40px;min-height:0}
  .hero-photo{position:relative;width:auto;height:440px}
  .hero-photo img{right:50%;transform:translateX(50%);height:100%;animation:none;mask-image:linear-gradient(90deg,transparent 0,#000 12%,#000 88%,transparent 100%);-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 12%,#000 88%,transparent 100%)}
  .hero-photo::after{background:linear-gradient(0deg,#012722 0%,rgba(1,39,34,0) 45%)}
  .hero-inner{width:calc(100% - 32px);margin:-96px auto 0}
  .hero h1{font-size:56px}
  .hero-sub{font-size:15.5px;margin:16px 0 22px}
  .hero-fields{flex-direction:column;border-radius:18px;padding:8px;gap:0}
  .hero-fields label+label{border-left:0;border-top:1px solid rgba(255,255,255,.18)}
  .hero-fields input{padding:15px 12px}
  .hero .hero-submit{width:100%;margin-top:8px;border-radius:12px;padding:16px}
  .hero-consent{padding-left:4px;align-items:flex-start}
  .hero-creds{position:static;width:auto;grid-template-columns:1fr 1fr;margin-top:24px}
  .hero-creds li{padding:10px 12px;font-size:12px;gap:10px}
  .hero-creds b{font-size:18px;min-width:auto}
  .section-head.split,.about-grid,.faq-grid,.book-grid{grid-template-columns:1fr;gap:28px}
  .svc-grid{grid-template-columns:1fr;gap:16px}
  .svc{padding:26px 22px}
  .svc-icon{width:72px;height:72px}
  .svc-icon svg{width:42px;height:42px}
  .services-head{margin-bottom:34px}
  .creds-head{grid-template-columns:1fr;gap:20px;margin-bottom:28px}
  .creds-count b{font-size:42px}
  .cert-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;margin:0 -16px;padding:4px 16px 18px}
  .cert{flex:0 0 78%;scroll-snap-align:center}
  .cert-main{flex-basis:70%}
  .cert-zoom{opacity:1}
  .edu-strip{grid-template-columns:1fr;margin-top:26px}
  .edu+.edu{border-left:0;border-top:1px solid rgba(255,255,255,.12)}
  .edu{padding:18px 20px}
  .case-grid{grid-template-columns:1fr 1fr;gap:10px}
  .steps{grid-template-columns:1fr 1fr}
  .price-panel{padding:4px 14px 18px}
  .price-table{font-size:14px}
  .price-table th,.price-table td{padding:12px 8px}
  .price-table th:first-child{position:sticky;left:0;background:#fff}
  .form-grid{grid-template-columns:1fr}
  .lead-form{padding:22px 18px}
  .footer-main{grid-template-columns:1fr;gap:26px}
  .footer-bottom p:last-child{margin-left:0}
  footer{padding-bottom:96px}
  .zalo-float{display:none}
  .mobile-cta{display:grid;grid-template-columns:1.5fr 1fr;gap:8px;position:fixed;inset:auto 0 0;z-index:45;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);box-shadow:0 -6px 20px rgba(0,0,0,.1)}
  .mobile-zalo{background:#0068ff;color:#fff}
  .mobile-cta{transition:transform .25s,opacity .25s}
  .mobile-cta.is-hidden{transform:translateY(110%);opacity:0;pointer-events:none}
}
@media (max-width:520px){
  .lang button{padding:6px 8px}
  .case-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .pillars{grid-template-columns:1fr 1fr}
  .price-table.cols-5 thead{display:none}
  .price-table.cols-5,.price-table.cols-5 tbody,.price-table.cols-5 tr{display:block}
  .price-table.cols-5 tr{padding:12px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:2px 10px}
  .price-table.cols-5 th,.price-table.cols-5 td{border:0;padding:3px 0;position:static}
  .price-table.cols-5 td.origin{text-align:right}
  .price-table.cols-5 td[data-label]{display:flex;justify-content:space-between;grid-column:1/-1}
  .price-table.cols-5 td[data-label]::before{content:attr(data-label);color:var(--muted);font-weight:500}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}