:root{
  --green-950:#082625;
  --green-900:#0b3a38;
  --green-800:#105852;
  --green-700:#12766e;
  --green-600:#1a9187;
  --green-500:#2aa99e;
  --green-100:#e9f7f5;
  --green-50:#f3fbfa;

  --amber:#f2a51a;
  --amber-2:#ffbf42;

  --ink:#102126;
  --ink-2:#263a42;
  --muted:#667781;
  --line:#dbe7e9;
  --bg:#f7faf9;
  --white:#ffffff;

  --shadow:0 24px 70px rgba(8,38,37,.16);
  --shadow-soft:0 14px 34px rgba(8,38,37,.09);

  --radius-xl:28px;
  --radius-lg:20px;
  --radius-md:14px;
  --container:1180px;

  --font:"Be Vietnam Pro",Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}

*,
*::before,
*::after{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  text-size-adjust:100%;
}

body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  font-weight:500;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

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

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

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

button{
  border:0;
}

svg{
  width:1em;
  height:1em;
  fill:currentColor;
}

.skip-link,
.visually-hidden{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

.skip-link:focus{
  width:auto;
  height:auto;
  clip:auto;
  margin:0;
  left:14px;
  top:14px;
  z-index:9999;
  padding:10px 14px;
  border-radius:999px;
  background:var(--amber);
  color:#0b2525;
  font-weight:800;
}

.container{
  width:min(var(--container),calc(100% - 40px));
  margin-inline:auto;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(18,63,63,.08);
}

.nav-wrap{
  height:70px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-width:max-content;
}

.brand-mark{
  width:38px;
  height:38px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,var(--green-700),var(--green-900));
  color:#fff;
  font-size:14px;
  font-weight:900;
  letter-spacing:-.04em;
  box-shadow:0 10px 22px rgba(19,111,105,.24);
}

.brand-text{
  display:grid;
  line-height:1.12;
}

.brand-text strong{
  font-size:15px;
  color:var(--green-900);
  font-weight:900;
  letter-spacing:-.02em;
}

.brand-text small{
  font-size:12px;
  color:var(--muted);
  font-weight:600;
}

.main-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:30px;
  font-size:13px;
  font-weight:800;
  color:#4a5b62;
}

.main-nav a{
  position:relative;
  padding:24px 0;
}

.main-nav a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:16px;
  height:2px;
  border-radius:999px;
  background:var(--amber);
  transform:scaleX(0);
  transform-origin:center;
  transition:.22s ease;
}

.main-nav a:hover,
.main-nav a:focus{
  color:var(--green-800);
}

.main-nav a:hover::after,
.main-nav a:focus::after{
  transform:scaleX(1);
}

.hotline{
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:42px;
  padding:0 18px;
  border-radius:999px;
  color:#fff;
  background:linear-gradient(135deg,var(--green-700),var(--green-800));
  font-size:13px;
  font-weight:900;
  box-shadow:0 14px 30px rgba(18,107,99,.24);
  border:1px solid rgba(255,255,255,.22);
  transition:transform .2s ease, box-shadow .2s ease;
}

.hotline svg{
  font-size:16px;
}

.hotline:hover{
  transform:translateY(-1px);
  box-shadow:0 18px 35px rgba(18,107,99,.28);
}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  background:transparent;
  padding:0;
  cursor:pointer;
}

.nav-toggle span{
  display:block;
  width:24px;
  height:2px;
  margin:5px auto;
  border-radius:999px;
  background:var(--green-900);
  transition:.22s ease;
}

.nav-toggle.is-open span:nth-child(1){
  transform:translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2){
  opacity:0;
}

.nav-toggle.is-open span:nth-child(3){
  transform:translateY(-7px) rotate(-45deg);
}

/* Reusable */
.section-dark{
  position:relative;
  color:#fff;
  overflow:hidden;
  background:
    radial-gradient(circle at 82% 8%,rgba(138,217,137,.28),transparent 30%),
    radial-gradient(circle at 0% 80%,rgba(3,50,54,.55),transparent 36%),
    linear-gradient(135deg,#10625c 0%,#1f9287 62%,#55a36b 130%);
}

.section{
  padding:90px 0;
  background:#fff;
}

.section-head{
  max-width:720px;
  margin-bottom:38px;
}

.section-head.center{
  text-align:center;
  margin-inline:auto;
}

.eyebrow,
.pill,
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--green-700);
  font-size:12px;
  line-height:1.2;
  font-weight:900;
  letter-spacing:.045em;
  text-transform:uppercase;
}

.section-kicker{
  margin-bottom:12px;
}

.section-kicker.light{
  color:#c8fff8;
}

.eyebrow{
  color:#dcfffa;
  text-transform:none;
  letter-spacing:.01em;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  padding:9px 15px;
  border-radius:999px;
  backdrop-filter:blur(12px);
}

.eyebrow svg{
  color:var(--amber);
}

h1,
h2,
h3,
p{
  overflow-wrap:break-word;
}

.hero h1,
.section h2,
.split-copy h2,
.about-copy h2,
.form-panel h2{
  margin:0;
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.045em;
}

.section h2,
.split-copy h2,
.about-copy h2,
.form-panel h2{
  color:var(--ink);
  font-size:clamp(28px,3vw,44px);
}

.section-head p,
.split-copy p,
.about-copy p,
.form-panel p{
  color:var(--muted);
  font-size:15px;
  font-weight:600;
  line-height:1.75;
  margin:14px 0 0;
}

/* Hero */
.hero{
  padding:78px 0 0;
  min-height:650px;
}

.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr .94fr;
  align-items:center;
  gap:66px;
  padding-bottom:82px;
}

.hero h1{
  margin:20px 0 18px;
  max-width:760px;
  color:#fff;
  font-size:clamp(40px,4.9vw,66px);
}

.hero-lead{
  max-width:650px;
  margin:0;
  color:rgba(255,255,255,.88);
  font-size:clamp(16px,1.35vw,19px);
  font-weight:600;
  line-height:1.75;
}

.hero-actions{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:52px;
  padding:0 24px;
  border-radius:999px;
  font-size:14px;
  font-weight:900;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.btn:hover{
  transform:translateY(-2px);
}

.btn-primary{
  color:#0e2f2f;
  background:linear-gradient(135deg,var(--amber),var(--amber-2));
  box-shadow:0 18px 38px rgba(242,165,26,.3);
}

.btn-ghost{
  color:#fff;
  background:rgba(255,255,255,.11);
  border-color:rgba(255,255,255,.28);
  backdrop-filter:blur(10px);
}

.btn-submit{
  width:100%;
  color:#fff;
  background:linear-gradient(135deg,var(--green-700),var(--green-600));
  box-shadow:0 14px 28px rgba(21,116,109,.25);
}

.btn-submit:disabled{
  cursor:not-allowed;
  opacity:.72;
  transform:none;
}

.trust-row{
  display:flex;
  flex-wrap:wrap;
  gap:18px 24px;
  margin-top:32px;
  color:rgba(255,255,255,.88);
  font-size:13px;
  font-weight:800;
}

.trust-row span{
  display:inline-flex;
  align-items:center;
  gap:8px;
}

.trust-row i{
  position:relative;
  width:17px;
  height:17px;
  border-radius:999px;
  border:2px solid rgba(255,189,58,.65);
}

.trust-row i::after{
  content:"";
  position:absolute;
  inset:4px;
  border-radius:inherit;
  background:var(--amber);
}

.hero-visual{
  position:relative;
  justify-self:end;
  width:min(530px,100%);
}

.hero-visual img{
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:cover;
  border-radius:30px;
  filter:drop-shadow(0 28px 44px rgba(1,29,32,.22));
}

.float-badge{
  position:absolute;
  display:flex;
  align-items:center;
  gap:10px;
  max-width:220px;
  padding:13px 16px;
  border-radius:18px;
  color:var(--green-900);
  background:#fff;
  font-size:13px;
  font-weight:900;
  box-shadow:var(--shadow-soft);
  border:1px solid rgba(12,73,73,.08);
}

.float-badge svg{
  color:var(--green-700);
  font-size:21px;
}

.badge-top{
  right:-24px;
  top:42px;
}

.badge-bottom{
  left:-24px;
  bottom:-14px;
  display:grid;
  grid-template-columns:auto 1fr;
  line-height:1.15;
}

.badge-bottom strong{
  color:var(--green-800);
  font-size:22px;
}

.badge-bottom span{
  color:var(--muted);
  font-size:12px;
  font-weight:800;
}

.ticker{
  position:relative;
  z-index:2;
  overflow:hidden;
  white-space:nowrap;
  background:rgba(7,68,64,.72);
  border-top:1px solid rgba(255,255,255,.12);
}

.ticker-track{
  display:inline-flex;
  gap:46px;
  padding:15px 0;
  animation:ticker 26s linear infinite;
  color:#e6fffb;
  font-size:13px;
  font-weight:900;
}

@keyframes ticker{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}

/* Features */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}

.feature-card{
  padding:28px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:#fff;
  box-shadow:0 10px 24px rgba(10,61,64,.04);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.feature-card:hover{
  transform:translateY(-4px);
  border-color:#c5dddf;
  box-shadow:var(--shadow-soft);
}

.icon-box{
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  margin-bottom:18px;
  border-radius:15px;
  color:var(--green-700);
  background:var(--green-100);
}

.icon-box svg{
  font-size:22px;
}

.feature-card h3{
  margin:0 0 8px;
  color:var(--ink);
  font-size:17px;
  font-weight:900;
  letter-spacing:-.02em;
}

.feature-card p{
  margin:0;
  color:var(--muted);
  font-size:14px;
  font-weight:600;
  line-height:1.65;
}

/* Split */
.split-section{
  padding:84px 0;
  background:#eef7f6;
}

.split-grid{
  display:grid;
  grid-template-columns:.95fr 1fr;
  align-items:center;
  gap:46px;
}

.split-image img{
  width:100%;
  aspect-ratio:16 / 10;
  object-fit:cover;
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
}

.pill{
  margin-bottom:16px;
  padding:8px 13px;
  border-radius:999px;
  color:#7c5208;
  background:#fff3d7;
  text-transform:none;
  letter-spacing:0;
}

.check-list{
  list-style:none;
  display:grid;
  gap:14px;
  margin:24px 0 0;
  padding:0;
}

.check-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:#31444d;
  font-weight:800;
}

.check-list li::before{
  content:"✓";
  display:grid;
  place-items:center;
  flex:0 0 22px;
  width:22px;
  height:22px;
  border-radius:999px;
  color:var(--green-700);
  background:var(--green-100);
  font-size:13px;
  font-weight:900;
}

/* Process */
.process{
  background:#fff;
}

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

.step{
  position:relative;
  padding:24px 18px 24px 0;
}

.step:not(:last-child)::after{
  content:"";
  position:absolute;
  top:53px;
  right:-16px;
  width:34px;
  height:10px;
  background:linear-gradient(90deg,#c9dcde,transparent);
  clip-path:polygon(0 40%,70% 40%,70% 0,100% 50%,70% 100%,70% 60%,0 60%);
}

.step-num{
  display:block;
  color:#062d34;
  font-size:44px;
  line-height:1;
  font-weight:900;
  letter-spacing:-.07em;
}

.step h3{
  margin:8px 0 8px;
  color:var(--ink);
  font-size:17px;
  font-weight:900;
  letter-spacing:-.02em;
}

.step p{
  margin:0;
  color:var(--muted);
  font-size:14px;
  font-weight:600;
  line-height:1.65;
}

/* About */
.about{
  padding:78px 0;
}

.about-grid{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  align-items:center;
  gap:46px;
}

.about-image img{
  width:100%;
  aspect-ratio:16 / 10.5;
  object-fit:cover;
  border-radius:var(--radius-xl);
  box-shadow:0 30px 60px rgba(0,0,0,.22);
}

.about-copy h2{
  color:#fff;
}

.about-copy p{
  color:rgba(255,255,255,.88);
}

.about-lead{
  max-width:710px;
}

.metric-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  margin-top:28px;
}

.metric-grid div{
  padding:18px;
  text-align:center;
  border:1px solid rgba(255,255,255,.18);
  border-radius:18px;
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(10px);
}

.metric-grid strong{
  display:block;
  color:var(--amber-2);
  font-size:24px;
  line-height:1;
  font-weight:900;
}

.metric-grid span{
  display:block;
  margin-top:7px;
  color:rgba(255,255,255,.88);
  font-size:12px;
  font-weight:800;
}

.contact-inline{
  display:flex;
  flex-wrap:wrap;
  gap:14px 20px;
  margin-top:28px;
  color:#fff;
  font-size:14px;
  font-weight:800;
}

.contact-inline a{
  display:inline-flex;
  align-items:center;
  gap:8px;
}

.contact-icon{
  color:var(--amber-2);
}

/* FAQ */
.faq-section{
  background:#fbfdfd;
}

.faq-grid{
  display:grid;
  grid-template-columns:.75fr 1fr;
  gap:44px;
}

.faq-list{
  display:grid;
  gap:14px;
}

details{
  padding:0 20px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
  box-shadow:0 10px 22px rgba(10,61,64,.04);
}

summary{
  display:flex;
  justify-content:space-between;
  gap:18px;
  padding:18px 0;
  color:var(--green-900);
  font-weight:900;
  cursor:pointer;
  list-style:none;
}

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

summary::after{
  content:"+";
  color:var(--green-700);
  font-size:22px;
  line-height:1;
}

details[open] summary::after{
  content:"−";
}

details p{
  margin:0;
  padding:0 0 18px;
  color:var(--muted);
  font-weight:600;
}

/* Form */
.form-section{
  padding:92px 0 78px;
  background:#fff;
}

.form-card{
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:stretch;
  max-width:990px;
  border-radius:30px;
  background:#fff;
  box-shadow:var(--shadow);
  overflow:hidden;
  border:1px solid var(--line);
}

.form-media{
  position:relative;
  min-height:560px;
  background:linear-gradient(180deg,rgba(15,116,109,.1),rgba(15,116,109,.02));
}

.form-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.form-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 32%,rgba(11,75,73,.84));
}

.form-media-text{
  position:absolute;
  z-index:1;
  left:28px;
  right:28px;
  bottom:28px;
  color:#fff;
}

.form-media-text h2{
  margin:0 0 6px;
  font-size:26px;
  line-height:1.18;
  font-weight:900;
  letter-spacing:-.035em;
}

.form-media-text p{
  margin:0;
  color:rgba(255,255,255,.88);
  font-size:14px;
  font-weight:700;
}

.form-panel{
  padding:42px;
}

.form-panel h2{
  font-size:34px;
}

.form-panel p{
  margin-top:4px;
}

.field{
  margin-top:16px;
}

.field label{
  display:block;
  margin-bottom:7px;
  color:#26373d;
  font-size:13px;
  font-weight:900;
}

.field label span{
  color:#b22727;
}

.field input,
.field select,
.field textarea{
  width:100%;
  padding:13px 14px;
  color:var(--ink);
  background:#fff;
  border:1px solid #ccd9dd;
  border-radius:12px;
  outline:none;
  transition:border-color .2s ease, box-shadow .2s ease;
}

.field textarea{
  resize:vertical;
  min-height:106px;
}

.field input:focus,
.field select:focus,
.field textarea:focus{
  border-color:var(--green-700);
  box-shadow:0 0 0 4px rgba(21,116,109,.12);
}

.field.is-error input,
.field.is-error select,
.field.is-error textarea{
  border-color:#c73838;
  box-shadow:0 0 0 4px rgba(199,56,56,.1);
}

.error-msg{
  display:none;
  margin-top:6px;
  color:#c73838;
  font-size:12px;
  font-weight:700;
}

.field.is-error .error-msg{
  display:block;
}

.form-note{
  text-align:center;
  font-size:12px!important;
  margin-top:10px!important;
}

.form-status{
  display:none;
  margin-top:12px;
  padding:12px 14px;
  border-radius:12px;
  font-size:14px;
  font-weight:800;
}

.form-status.success{
  display:block;
  color:#146139;
  background:#e9f7ef;
}

.form-status.error{
  display:block;
  color:#9b1c1c;
  background:#fff1f1;
}

.hidden-frame{
  display:none;
  width:0;
  height:0;
  border:0;
}


/* ===== NÚT GỌI + ZALO CỐ ĐỊNH ===== */
.lf-float{
  position:fixed;
  right:18px;
  bottom:92px;
  z-index:9999;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.lf-float a{
  width:56px;
  height:56px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#fff;
  box-shadow:0 12px 30px rgba(0,0,0,.18);
  border:1px solid rgba(0,0,0,.06);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.lf-float a:hover{
  transform:translateY(-3px) scale(1.04);
}

.lf-float__call{
  background:rgba(34,197,94,.12)!important;
  border-color:rgba(34,197,94,.25)!important;
  animation:lf-call-pulse 1.8s infinite;
}

.lf-float__zalo{
  background:rgba(0,104,255,.10)!important;
  border-color:rgba(0,104,255,.28)!important;
  animation:lf-zalo-pulse 2.2s infinite;
}

.lf-float svg{
  width:27px;
  height:27px;
}

.lf-float img{
  width:30px;
  height:30px;
  object-fit:contain;
  display:block;
}

@keyframes lf-call-pulse{
  0%{box-shadow:0 0 0 0 rgba(34,197,94,.45);}
  70%{box-shadow:0 0 0 14px rgba(34,197,94,0);}
  100%{box-shadow:0 0 0 0 rgba(34,197,94,0);}
}

@keyframes lf-zalo-pulse{
  0%{box-shadow:0 0 0 0 rgba(0,104,255,.45);}
  70%{box-shadow:0 0 0 14px rgba(0,104,255,0);}
  100%{box-shadow:0 0 0 0 rgba(0,104,255,0);}
}

/* Footer */
.site-footer{
  padding:46px 0 0;
  color:#d7e6e8;
  background:#102126;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr .8fr;
  gap:42px;
}

.footer-brand .brand-text strong{
  color:#fff;
}

.footer-brand .brand-text small{
  color:#b7c8ca;
}

.site-footer p{
  margin:8px 0;
  color:#b7c8ca;
  font-weight:600;
}

.site-footer h3{
  margin:0 0 14px;
  color:#fff;
  font-size:16px;
  font-weight:900;
}

.site-footer a:hover{
  color:#fff;
}

.footer-bottom{
  margin-top:34px;
  padding:18px 20px;
  text-align:center;
  border-top:1px solid rgba(255,255,255,.09);
}

.footer-bottom p{
  margin:4px 0;
  font-size:12px;
}

.disclaimer{
  opacity:.75;
}

/* Animation */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s ease, transform .6s ease;
}

.reveal.is-visible{
  opacity:1;
  transform:none;
}

/* Responsive */
@media (max-width:1100px){
  .hero-grid{
    grid-template-columns:1fr;
    gap:46px;
  }

  .hero-visual{
    justify-self:center;
    max-width:560px;
  }

  .hero{
    padding-top:64px;
  }

  .feature-grid,
  .process-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .step:not(:last-child)::after{
    display:none;
  }

  .split-grid,
  .about-grid,
  .faq-grid{
    grid-template-columns:1fr;
  }

  .about-image{
    order:2;
  }

  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}

@media (max-width:900px){
  .main-nav{
    gap:20px;
  }
}

@media (max-width:860px){
  .container{
    width:min(100% - 28px,var(--container));
  }

  .nav-wrap{
    height:64px;
  }

  .hotline span{
    display:none;
  }

  .hotline{
    justify-content:center;
    width:44px;
    height:44px;
    padding:0;
  }

  .nav-toggle{
    display:block;
    order:3;
  }

  .main-nav{
    position:absolute;
    left:14px;
    right:14px;
    top:70px;
    display:grid;
    gap:0;
    padding:8px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:20px;
    box-shadow:var(--shadow-soft);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:.2s ease;
  }

  .main-nav.is-open{
    opacity:1;
    visibility:visible;
    transform:none;
  }

  .main-nav a{
    padding:13px 14px;
    border-radius:12px;
  }

  .main-nav a:hover{
    background:var(--green-100);
  }

  .main-nav a::after{
    display:none;
  }

  .hero{
    min-height:auto;
  }

  .hero h1{
    font-size:clamp(36px,9.8vw,54px);
  }

  .hero-grid{
    padding-bottom:56px;
  }

  .ticker-track{
    animation-duration:18s;
  }

  .form-card{
    grid-template-columns:1fr;
  }

  .form-media{
    min-height:350px;
  }
}

@media (max-width:640px){
  body{
    font-size:15px;
  }

  .section{
    padding:66px 0;
  }

  .hero{
    padding-top:46px;
  }

  .hero-actions .btn{
    width:100%;
  }

  .trust-row{
    gap:12px;
  }

  .trust-row span{
    width:100%;
  }

  .feature-grid,
  .process-grid,
  .metric-grid,
  .footer-grid{
    grid-template-columns:1fr;
  }

  .feature-card{
    padding:22px;
  }

  .split-section,
  .form-section,
  .about{
    padding:62px 0;
  }

  .badge-top{
    right:8px;
    top:14px;
  }

  .badge-bottom{
    left:8px;
    bottom:8px;
  }

  .float-badge{
    transform:scale(.9);
    transform-origin:center;
  }

  .form-panel{
    padding:28px 22px;
  }

  .form-media{
    min-height:310px;
  }

  .section h2,
  .split-copy h2,
  .about-copy h2,
  .form-panel h2{
    font-size:29px;
  }

  .step{
    padding:18px 0;
    border-bottom:1px solid var(--line);
  }

  .step:last-child{
    border-bottom:0;
  }

  .footer-bottom{
    padding-bottom:88px;
  }
}


@media(max-width:860px){
  .hotline{
    display:none;
  }
}

@media(max-width:768px){
  .lf-float{
    right:12px;
    bottom:112px;
    gap:12px;
  }

  .lf-float a{
    width:52px;
    height:52px;
  }

  .lf-float svg{
    width:25px;
    height:25px;
  }

  .lf-float img{
    width:28px;
    height:28px;
  }
}

@media (prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    scroll-behavior:auto!important;
    transition-duration:.01ms!important;
  }

  .reveal{
    opacity:1;
    transform:none;
  }
}


/* =========================================================
   PRO UI UPDATE - HEADER, LOGO, MENU, MOBILE EXPERIENCE
   ========================================================= */

.site-header{
  background:rgba(255,255,255,.94);
  box-shadow:0 10px 34px rgba(8,38,37,.06);
}

.nav-wrap{
  display:grid;
  grid-template-columns:minmax(245px,1fr) auto minmax(205px,1fr);
  align-items:center;
  height:76px;
  gap:22px;
}

.brand{
  gap:13px;
  min-width:0;
  justify-self:start;
}

.brand-mark{
  width:50px;
  height:50px;
  flex:0 0 50px;
  border-radius:18px;
  background:#fff;
  color:var(--green-800);
  box-shadow:0 12px 28px rgba(8,38,37,.12);
  border:1px solid rgba(15,118,110,.12);
  overflow:hidden;
  padding:5px;
}

.brand-mark img{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
}

.brand-text{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:4px;
  line-height:1.05;
  min-width:0;
}

.brand-text strong{
  font-size:17px;
  font-weight:900;
  letter-spacing:-.025em;
  color:var(--green-950);
  white-space:nowrap;
}

.brand-text small{
  font-size:12.5px;
  font-weight:700;
  color:#6b7d84;
  letter-spacing:-.01em;
  white-space:nowrap;
}

.main-nav{
  justify-self:center;
  gap:4px;
  padding:6px;
  border:1px solid rgba(15,118,110,.12);
  border-radius:999px;
  background:rgba(255,255,255,.72);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.5);
}

.main-nav a{
  padding:10px 13px;
  border-radius:999px;
  color:#465b62;
  font-size:13px;
  line-height:1;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}

.main-nav a::after{
  display:none;
}

.main-nav a:hover,
.main-nav a:focus{
  color:var(--green-900);
  background:var(--green-100);
  transform:translateY(-1px);
}

.hotline{
  justify-self:end;
  min-height:46px;
  padding:0 20px;
  font-size:14px;
}

.hero h1{
  letter-spacing:-.055em;
}

.hero-lead{
  max-width:620px;
}

/* Better visual balance for image badges */
.badge-top{
  right:-18px;
}

.badge-bottom{
  left:-18px;
}

/* Floating buttons should not cover content too much */
.lf-float{
  right:22px;
  bottom:88px;
}

.lf-float a{
  background:#fff;
}

/* Mobile header */
@media (max-width:1040px){
  .nav-wrap{
    grid-template-columns:auto 1fr auto;
  }

  .brand{
    grid-column:1 / 2;
  }

  .main-nav{
    grid-column:1 / -1;
    justify-self:stretch;
  }

  .hotline{
    display:none;
  }

  .nav-toggle{
    display:block;
    justify-self:end;
    grid-column:3 / 4;
  }
}

@media (max-width:860px){
  .site-header{
    background:rgba(255,255,255,.97);
  }

  .nav-wrap{
    height:68px;
    display:grid;
    grid-template-columns:minmax(0,1fr) auto;
    gap:12px;
  }

  .brand{
    max-width:260px;
    gap:11px;
  }

  .brand-mark{
    width:44px;
    height:44px;
    flex-basis:44px;
    border-radius:16px;
    padding:5px;
  }

  .brand-text{
    gap:5px;
  }

  .brand-text strong{
    font-size:16px;
  }

  .brand-text small{
    font-size:12px;
  }

  .nav-toggle{
    width:46px;
    height:46px;
    border-radius:14px;
    background:var(--green-50);
    border:1px solid rgba(15,118,110,.12);
  }

  .main-nav{
    position:absolute;
    left:14px;
    right:14px;
    top:76px;
    display:grid;
    padding:10px;
    gap:4px;
    border-radius:22px;
    background:rgba(255,255,255,.98);
    box-shadow:0 24px 70px rgba(8,38,37,.18);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
  }

  .main-nav.is-open{
    opacity:1;
    visibility:visible;
    transform:none;
  }

  .main-nav a{
    border-radius:14px;
    padding:14px 16px;
    text-align:left;
    font-size:14px;
  }

  .hero{
    padding-top:38px;
  }

  .hero h1{
    font-size:clamp(34px,9vw,48px);
    line-height:1.07;
    letter-spacing:-.055em;
  }

  .hero-lead{
    font-size:15.5px;
    line-height:1.75;
  }

  .hero-grid{
    gap:34px;
  }

  .hero-visual img{
    border-radius:24px;
  }

  .float-badge{
    font-size:12px;
  }
}

@media (max-width:520px){
  .container{
    width:min(100% - 28px,var(--container));
  }

  .brand{
    max-width:220px;
  }

  .brand-mark{
    width:42px;
    height:42px;
    flex-basis:42px;
    border-radius:15px;
  }

  .brand-text strong{
    font-size:15.5px;
  }

  .brand-text small{
    font-size:11.5px;
  }

  .hero-actions{
    margin-top:26px;
  }

  .badge-top{
    right:8px;
    top:12px;
  }

  .badge-bottom{
    left:8px;
    bottom:8px;
  }

  .lf-float{
    right:12px;
    bottom:92px;
  }

  .lf-float a{
    width:50px;
    height:50px;
  }
}


/* =========================================================
   HERO IMAGE UPDATE - BANNER VAY NHANH 3 PHÚT
   ========================================================= */
.hero-visual-ad{
  width:min(610px,100%);
}

.hero-visual-ad img{
  aspect-ratio:4 / 3;
  object-fit:cover;
  object-position:center;
  border-radius:30px;
  background:#fff;
  box-shadow:0 28px 70px rgba(1,29,32,.22);
  filter:none;
}

.hero-visual-ad .float-badge{
  display:none!important;
}

@media (max-width:1100px){
  .hero-visual-ad{
    max-width:660px;
  }
}

@media (max-width:640px){
  .hero-visual-ad img{
    border-radius:24px;
  }
}