:root{
  --brand-1:#2563EB;
  --brand-2:#06B6A4;
  --ink:#0F172A;
  --ink-2:#334155;
  --muted:#64748B;
  --line:#E2E8F0;
  --bg:#FFFFFF;
  --bg-soft:#F6F8FC;
  --radius:18px;
  --shadow:0 18px 50px -22px rgba(15,23,42,.28);
  --container:1120px;
  --font:"Sarabun","Noto Sans Thai","Leelawadee UI","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-head:"Kanit","Sarabun","Noto Sans Thai","Leelawadee UI","Segoe UI",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink-2);
  background:var(--bg);
  line-height:1.7;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--ink);line-height:1.25;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:104px 0}
.section--soft{background:var(--bg-soft)}
.section__eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand-1);margin-bottom:16px;
}
.section__title{font-size:clamp(26px,3.2vw,38px);font-weight:600;margin-bottom:16px}
.section__lead{color:var(--muted);max-width:660px}

/* ---------- header ---------- */
.header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s;
}
.header.is-stuck{border-color:var(--line);box-shadow:0 8px 30px -22px rgba(15,23,42,.45)}
.header__inner{display:flex;align-items:center;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-head)}
.brand__mark{width:40px;height:40px;border-radius:12px;flex:none}
.brand__text{display:flex;flex-direction:column;line-height:1}
.brand__name{font-size:19px;font-weight:700;letter-spacing:.04em;color:var(--ink)}
.brand__sub{font-size:9.5px;font-weight:600;letter-spacing:.32em;color:var(--muted);margin-top:3px}

.nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav a{padding:9px 14px;border-radius:10px;font-size:15.5px;color:var(--ink-2);transition:background .2s,color .2s}
.nav a:hover{background:var(--bg-soft);color:var(--brand-1)}
.header__cta{margin-left:8px}

.btn{
  display:inline-flex;align-items:center;gap:10px;justify-content:center;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:15.5px;
  border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s;
}
.btn--primary{background:linear-gradient(120deg,var(--brand-1),var(--brand-2));color:#fff;box-shadow:0 14px 30px -14px rgba(37,99,235,.75)}
.btn--primary:hover{transform:translateY(-2px)}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:#c9d4e6;transform:translateY(-2px)}
.btn--store{background:var(--ink);color:#fff;padding:12px 20px}
.btn--store:hover{transform:translateY(-2px)}
.btn__icon{width:22px;height:22px;flex:none}
.btn__label{display:flex;flex-direction:column;line-height:1.15;text-align:left}
.btn__label small{font-size:10.5px;font-weight:500;letter-spacing:.06em;opacity:.8;text-transform:uppercase}
.btn__label span{font-size:16px;font-weight:600;font-family:var(--font-head)}

.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:12px;cursor:pointer;padding:11px;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.nav-toggle span+span{margin-top:5px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:96px 0 110px;background:linear-gradient(180deg,#F8FAFF 0%,#FFFFFF 100%)}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;z-index:0}
.hero::before{width:520px;height:520px;background:radial-gradient(circle,#BFDBFE,transparent 65%);top:-180px;right:-120px}
.hero::after{width:460px;height:460px;background:radial-gradient(circle,#A7F3D0,transparent 65%);bottom:-200px;left:-140px}
.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  padding:7px 14px;border-radius:999px;font-size:13.5px;color:var(--muted);margin-bottom:22px;
}
.hero__badge i{width:7px;height:7px;border-radius:50%;background:var(--brand-2);display:inline-block}
.hero h1{font-size:clamp(34px,4.8vw,58px);font-weight:700;letter-spacing:-.01em;margin-bottom:22px}
.hero h1 .grad{background:linear-gradient(120deg,var(--brand-1),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__text{color:var(--muted);font-size:18px;max-width:560px;margin-bottom:34px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero__pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.hero__pills span{font-size:14px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 15px}
.hero__art{display:flex;justify-content:center;position:relative}
.hero__art img{width:min(320px,80%);filter:drop-shadow(0 40px 60px rgba(15,23,42,.25))}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d5deee}
.card__icon{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,#EFF6FF,#ECFDF5);margin-bottom:20px;
}
.card__icon svg{width:26px;height:26px}
.card h3{font-size:20px;font-weight:600;margin-bottom:10px}
.card p{color:var(--muted);font-size:16px}

/* ---------- product ---------- */
.product__inner{display:grid;grid-template-columns:.95fr 1.05fr;gap:72px;align-items:center}
.product__art{display:flex;justify-content:center}
.product__art img{width:min(300px,82%);filter:drop-shadow(0 40px 60px rgba(15,23,42,.22))}
.product__tag{
  display:inline-block;background:#ECFDF5;color:#047857;font-weight:600;font-size:13px;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.feature-list{display:flex;flex-direction:column;gap:18px;margin:30px 0 34px}
.feature-list li{display:flex;gap:14px;align-items:flex-start}
.feature-list .tick{
  width:26px;height:26px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(120deg,var(--brand-1),var(--brand-2));margin-top:2px;
}
.feature-list .tick svg{width:14px;height:14px}
.feature-list b{display:block;color:var(--ink);font-weight:600;font-size:16.5px}
.feature-list span{color:var(--muted);font-size:15.5px}
.product__actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.product__note{margin-top:18px;font-size:13.5px;color:var(--muted)}

/* ---------- mission ---------- */
.mv{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 34px}
.mv__label{font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--brand-2);margin-bottom:12px}
.mv h3{font-size:22px;margin-bottom:12px}
.mv p{color:var(--muted)}

/* ---------- about ---------- */
.about__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start}
.about__box{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.info-row{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line)}
.info-row:last-child{border-bottom:0}
.info-row .ico{width:20px;height:20px;flex:none;margin-top:4px}
.info-row .ico svg{width:20px;height:20px}
.info-row .k{font-size:13px;color:var(--muted);margin-bottom:2px}
.info-row .v{color:var(--ink);font-weight:500;font-size:15.5px;word-break:break-word}

/* ---------- contact ---------- */
.contact{background:linear-gradient(120deg,#0F172A,#132C4E);color:#E2E8F0}
.contact h2,.contact .section__title{color:#fff}
.contact p{color:#9FB2CE}
.contact__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.contact__card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:32px}
.contact__card .info-row{border-bottom-color:rgba(255,255,255,.14)}
.contact__card .info-row .k{color:#93A6C4}
.contact__card .info-row .v{color:#fff}
.contact__card a:hover{color:#7DD3C8}
.contact__card .ico svg path,.contact__card .ico svg{stroke:#7DD3C8}

/* ---------- footer ---------- */
.footer{background:#0B1220;color:#94A3B8;padding:64px 0 34px}
.footer__top{display:grid;grid-template-columns:1.3fr .7fr .9fr;gap:44px}
.footer .brand__name{color:#fff}
.footer .brand__sub{color:#64748B}
.footer__about{margin-top:20px;font-size:15px;max-width:340px;line-height:1.8}
.footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:.02em}
.footer__links{display:flex;flex-direction:column;gap:12px;font-size:15px}
.footer__links a:hover{color:#fff}
.footer__bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;
}

/* ---------- legal pages ---------- */
.legal{padding:64px 0 96px}
.legal__wrap{max-width:820px;margin:0 auto}
.legal h1{font-size:clamp(26px,3vw,36px);margin-bottom:10px}
.legal .updated{color:var(--muted);font-size:14px;margin-bottom:34px}
.legal h2{font-size:20px;margin:34px 0 12px}
.legal p,.legal li{color:var(--ink-2);margin-bottom:12px}
.legal ul{list-style:disc;padding-left:22px}
.legal ul li{color:var(--ink-2)}
.legal .notice{background:#FFF7ED;border:1px solid #FED7AA;color:#9A3412;padding:16px 18px;border-radius:12px;font-size:14.5px;margin-bottom:28px}
.legal__back{display:inline-flex;align-items:center;gap:8px;color:var(--brand-1);font-weight:600;margin-bottom:26px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .section{padding:76px 0}
  .hero{padding:64px 0 80px}
  .hero__inner,.product__inner,.about__inner,.contact__inner{grid-template-columns:1fr;gap:44px}
  .hero__art{order:-1}
  .hero__art img{width:min(260px,70%)}
  .product__art{order:-1}
  .grid-3{grid-template-columns:1fr}
  .footer__top{grid-template-columns:1fr;gap:34px}
  .nav,.header__cta{display:none}
  .nav-toggle{display:block}
  .header.nav-open .nav{
    display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:14px 24px 20px;gap:4px;
  }
  .header.nav-open .nav a{padding:13px 12px}
}
@media (max-width:560px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:60px 0}
  .grid-2{grid-template-columns:1fr}
  .card{padding:26px 22px}
  .footer__bottom{flex-direction:column}
}