:root{
  --navy:#07182f;
  --navy2:#0b2a53;
  --teal:#22d3b5;
  --teal2:#5be6ce;
  --ink:#0f2343;
  --muted:#66738b;
  --soft:#f5f9fd;
  --line:#e6edf5;
  --white:#fff;
  --shadow:0 18px 50px rgba(7,24,47,.10);
  --radius:24px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,
  "Segoe UI","Noto Sans Thai","Noto Sans Lao","Arial",sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.65;
}
a{text-decoration:none;color:inherit}
button{font:inherit}
img{display:block;max-width:100%}
.container{width:min(1180px,calc(100% - 40px));margin:auto}

header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(230,237,245,.9);
}

.nav{
  min-height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
}
.brand img{height:40px}

.nav-center{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:30px;
  font-size:14px;
  font-weight:700;
}
.nav-links a{
  position:relative;
  padding:8px 0;
}
.nav-links a:after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  height:2px;
  width:0;
  background:var(--teal);
  transition:.2s ease;
}
.nav-links a:hover:after,
.nav-links a.active:after{width:100%}

.lang-switcher{position:relative}
.lang-btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:46px;
  padding:0 14px;
  border-radius:14px;
  border:1px solid #d9e3ef;
  background:#fff;
  color:var(--navy);
  cursor:pointer;
  font-weight:700;
}
.lang-btn:hover{border-color:#bcd0e8}
.lang-flag{
  width:20px;
  height:14px;
  border-radius:2px;
  object-fit:cover;
  border:1px solid rgba(7,24,47,.12);
}
.lang-caret{font-size:12px;color:#68809f}
.lang-menu{
  position:absolute;
  top:calc(100% + 10px);
  right:0;
  width:210px;
  background:#fff;
  border:1px solid #e6edf5;
  border-radius:16px;
  box-shadow:0 24px 60px rgba(7,24,47,.14);
  padding:8px;
  display:none;
}
.lang-menu.open{display:block}
.lang-option{
  width:100%;
  display:flex;
  align-items:center;
  gap:12px;
  border:0;
  background:transparent;
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  color:var(--navy);
  font-weight:600;
  text-align:left;
}
.lang-option:hover,
.lang-option.active{background:#f3f8fc}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:0 22px;
  border-radius:999px;
  font-weight:800;
  border:1px solid transparent;
  transition:.2s ease;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--teal),#14bfa8 48%,var(--navy2));
  box-shadow:0 12px 28px rgba(20,191,168,.22);
}
.btn-primary:hover{transform:translateY(-2px)}
.btn-outline{
  border-color:#cbd7e6;
  color:var(--navy);
  background:#fff;
}
.btn-outline:hover{border-color:var(--teal);color:#0a9c88}

.hero{
  position:relative;
  overflow:hidden;
  padding:94px 0 88px;
  background:
    radial-gradient(circle at 82% 18%,rgba(34,211,181,.18),transparent 30%),
    radial-gradient(circle at 70% 82%,rgba(46,120,210,.10),transparent 32%),
    linear-gradient(180deg,#fbfdff,#f6fbff 68%,#fff);
}
.hero:before{
  content:"X7X";
  position:absolute;
  right:1%;
  top:6%;
  font-weight:1000;
  font-size:220px;
  letter-spacing:-.1em;
  color:rgba(34,211,181,.05);
  transform:rotate(-5deg);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:64px;
  align-items:center;
}
.eyebrow{
  margin:0 0 14px;
  color:#0b9f8b;
  font-weight:900;
  letter-spacing:.22em;
  font-size:12px;
}
h1{
  margin:0;
  color:var(--navy);
  font-size:clamp(46px,6vw,78px);
  line-height:1.03;
  letter-spacing:-.04em;
}
h1 .accent{
  background:linear-gradient(135deg,#0d88a7,var(--teal));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-copy{
  margin:24px 0 32px;
  max-width:650px;
  color:var(--muted);
  font-size:18px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

.visual{
  position:relative;
  min-height:520px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.visual-core{
  width:min(390px,80%);
  aspect-ratio:1/1;
  border-radius:42px;
  background:linear-gradient(145deg,#fff,#edf8f7);
  box-shadow:0 36px 90px rgba(7,24,47,.18);
  border:1px solid rgba(255,255,255,.9);
  display:grid;
  place-items:center;
  transform:rotate(3deg);
}
.visual-core img{width:56%}
.float{
  position:absolute;
  border:1px solid #ebf0f6;
  border-radius:18px;
  background:rgba(255,255,255,.96);
  box-shadow:var(--shadow);
  padding:16px 18px;
}
.float small{
  display:block;
  color:#8995a8;
  font-size:11px;
  margin-top:4px;
}
.f1{left:0;top:55px;width:180px}
.f2{right:0;top:100px;width:220px}
.f3{left:20px;bottom:48px;width:190px}
.f4{right:0;bottom:38px;width:210px;background:var(--navy);color:#fff}
.big-number{font-weight:1000;color:var(--teal);font-size:34px;line-height:1}
.mini-bars{display:flex;align-items:end;gap:7px;height:60px;margin-top:10px}
.mini-bars i{display:block;width:14px;background:var(--teal);border-radius:6px 6px 2px 2px}
.mini-bars i:nth-child(1){height:26%}
.mini-bars i:nth-child(2){height:42%}
.mini-bars i:nth-child(3){height:36%}
.mini-bars i:nth-child(4){height:65%}
.mini-bars i:nth-child(5){height:83%}
.mini-bars i:nth-child(6){height:72%}
.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.quick span{
  display:grid;
  place-items:center;
  height:44px;
  border-radius:11px;
  background:rgba(255,255,255,.08);
  font-size:20px;
}

section{padding:86px 0}
.section-head{
  text-align:center;
  max-width:760px;
  margin:0 auto 46px;
}
.kicker{
  color:#0a9f8c;
  font-size:12px;
  font-weight:900;
  letter-spacing:.22em;
}
h2{
  margin:8px 0 12px;
  color:var(--navy);
  font-size:clamp(34px,4vw,50px);
  line-height:1.15;
}
.section-head p{
  margin:0;
  color:var(--muted);
  font-size:17px;
}
.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.card{
  padding:30px;
  border-radius:var(--radius);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:0 12px 36px rgba(16,35,74,.06);
}
.icon{
  width:60px;
  height:60px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:#f1f7fb;
  color:#0da994;
  font-size:26px;
  margin-bottom:18px;
}
.card h3{margin:0 0 8px;color:var(--navy);font-size:20px}
.card p{margin:0;color:var(--muted)}

.band{
  padding:50px 0;
  text-align:center;
  color:#fff;
  background:
    linear-gradient(135deg,rgba(34,211,181,.08),transparent 45%),
    linear-gradient(135deg,#06172f,#0a2d59);
}
.band strong{
  font-size:clamp(28px,4vw,48px);
  letter-spacing:.13em;
}
.band .dot{color:var(--teal)}
.band p{margin:8px 0 0;color:var(--teal2);font-size:20px}

.feature-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.feature{
  display:flex;
  gap:18px;
  padding:34px 28px;
  border-right:1px solid var(--line);
}
.feature:last-child{border-right:0}
.round{
  width:62px;
  height:62px;
  min-width:62px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:#f3f8fc;
  color:#0ca895;
  font-size:26px;
}
.feature h4{margin:2px 0 6px;color:var(--navy);font-size:17px}
.feature p{margin:0;color:var(--muted);font-size:14px}

.cta{
  background:var(--soft);
  padding:72px 0;
}
.cta-box{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  padding:50px;
  border-radius:28px;
  background:linear-gradient(135deg,#fff,#f1fbf8);
  border:1px solid #e5efef;
}
.cta h2{margin:0 0 8px;font-size:36px}
.cta p{margin:0;color:var(--muted)}

footer{
  color:#dce8f8;
  background:linear-gradient(135deg,#05162c,#092952);
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr repeat(3,1fr);
  gap:40px;
}
.footer-logo{
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
  font-weight:900;
  letter-spacing:.1em;
  font-size:20px;
}
.footer-logo img{height:34px}
.footer-copy{
  margin-top:12px;
  max-width:320px;
  color:#aabbd4;
}
.footer-col h5{margin:0 0 12px;color:#fff;font-size:14px}
.footer-col a{display:block;margin:8px 0;color:#aabbd4;font-size:14px}
.footer-col a:hover{color:var(--teal2)}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-top:42px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.09);
  color:#8fa4c0;
  font-size:13px;
}

@media(max-width:980px){
  .nav-center{gap:14px}
  .nav-links{gap:18px}
}
@media(max-width:900px){
  .nav-links{display:none}
  .hero-grid{grid-template-columns:1fr}
  .visual{min-height:430px}
  .cards,.feature-row{grid-template-columns:1fr}
  .feature{border-right:0;border-bottom:1px solid var(--line)}
  .feature:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-box{flex-direction:column;align-items:flex-start}
}
@media(max-width:560px){
  .container{width:min(100% - 28px,1180px)}
  .brand img{height:34px}
  .nav{min-height:74px}
  .hero{padding:52px 0 58px}
  .visual{min-height:360px}
  .visual-core{width:72%;border-radius:30px}
  .f1{left:0;top:8px;width:145px}
  .f2{right:0;top:62px;width:155px}
  .f3{left:0;bottom:10px;width:150px}
  .f4{right:0;bottom:0;width:160px}
  section{padding:62px 0}
  .cta-box{padding:30px}
  .footer-grid{grid-template-columns:1fr}
  .lang-btn span.label-text{display:none}
}