:root{
  --navy:#121a4c;
  --navy-2:#20285c;
  --green:#67bf57;
  --green-dark:#2f8f43;
  --line:#06c755;
  --text:#172033;
  --muted:#64708a;
  --border:#e7ebf2;
  --soft:#f6f8fb;
  --white:#fff;
  --shadow:0 18px 55px rgba(18,26,76,.12);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  background:#fff;
  font-family:"Noto Sans Thai","Leelawadee UI",Tahoma,Arial,sans-serif;
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button,a{-webkit-tap-highlight-color:transparent}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.narrow{width:min(920px,100%);margin:0 auto}
.center{text-align:center}
.desktop-only{display:flex}
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid rgba(231,235,242,.95);
  backdrop-filter:blur(14px);
}
.header-inner{min-height:78px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand img{width:78px;height:78px;object-fit:contain}
.product-brand{display:flex;align-items:center;gap:10px;margin-right:auto;color:var(--navy);font-weight:800;letter-spacing:.02em}
.product-brand img{width:52px;height:52px;object-fit:contain}
.header-contact{align-items:center;gap:14px;font-size:14px}
.text-link{text-decoration:none;font-weight:800;color:var(--navy)}
.text-link:hover{text-decoration:underline}
.hero{padding:30px 0 42px;background:linear-gradient(180deg,#f8fbff 0%,#fff 78%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);align-items:center;gap:48px}
.product-stage{
  position:relative;
  min-height:560px;
  display:grid;
  place-items:center;
  overflow:hidden;
  border:1px solid var(--border);
  border-radius:34px;
  background:
    radial-gradient(circle at 50% 28%,rgba(103,191,87,.13),transparent 32%),
    linear-gradient(145deg,#fff,#f3f6fa);
  box-shadow:var(--shadow);
}
.product-stage:before{content:"";position:absolute;width:70%;height:12%;left:15%;bottom:7%;background:radial-gradient(ellipse,rgba(19,27,72,.18),transparent 70%);filter:blur(10px)}
.product-stage img{position:relative;z-index:2;width:min(90%,620px);object-fit:contain;mix-blend-mode:multiply}
.badge{position:absolute;z-index:3;top:20px;left:20px;padding:7px 12px;border-radius:999px;background:var(--navy);color:#fff;font-size:12px;font-weight:800;letter-spacing:.08em}
.eyebrow,.section-kicker{margin:0 0 8px;color:var(--green-dark);font-size:13px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
h1,h2{margin:0;color:var(--navy);letter-spacing:-.025em;line-height:1.22}
h1{font-size:clamp(34px,4.3vw,58px);max-width:760px}
h2{font-size:clamp(28px,3.2vw,42px)}
.hero-lead{margin:18px 0 20px;color:#48546c;font-size:17px;line-height:1.8}
.price-card{display:flex;flex-wrap:wrap;align-items:end;gap:7px 14px;padding:18px 20px;margin:0 0 18px;border:1px solid #dfe6ef;border-radius:20px;background:#fff;box-shadow:0 12px 35px rgba(18,26,76,.07)}
.price-label{width:100%;font-weight:800;color:var(--navy)}
.price-card strong{font-size:44px;line-height:1;color:var(--green-dark);letter-spacing:-.04em}
.price-card strong span{font-size:24px;margin-right:4px}
.price-note{color:var(--muted);font-size:13px;padding-bottom:3px}
.hero-actions,.offer-actions{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 18px;border:1px solid transparent;border-radius:14px;text-decoration:none;font-weight:900;text-align:center;line-height:1.25;transition:.2s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 25px rgba(18,26,76,.11)}
.btn-primary{background:var(--line);color:#fff}
.btn-call{background:var(--navy);color:#fff}
.btn-call-alt{background:#fff;color:var(--navy);border-color:#cfd6e3}
.btn-light{background:#fff;color:var(--navy);border-color:rgba(255,255,255,.28)}
.btn-line{background:var(--line);color:#fff}
.btn-small{min-height:40px;padding:8px 12px;border-radius:10px;font-size:13px}
.contact-hint{margin:11px 0 0;color:var(--muted);font-size:13px}
.quick-trust{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.quick-trust span{padding:7px 10px;border:1px solid #dfe5ee;border-radius:999px;background:#fff;color:#465269;font-size:12px;font-weight:700}
.section{padding:78px 0}
.section-tight{padding:18px 0 0}
.section-soft{background:var(--soft)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.trust-card{display:flex;align-items:center;gap:12px;min-height:92px;padding:16px;border:1px solid var(--border);border-radius:18px;background:#fff}
.trust-icon{flex:0 0 38px;width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:#edf8ec;color:var(--green-dark);font-weight:900}
.trust-card strong,.trust-card span{display:block}
.trust-card strong{font-size:14px;color:var(--navy)}
.trust-card span{font-size:12px;color:var(--muted);line-height:1.5;margin-top:2px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.two-col p{color:#526078}
.image-card{margin:0;padding:12px;border:1px solid var(--border);border-radius:28px;background:#fff;box-shadow:0 18px 55px rgba(18,26,76,.08);overflow:hidden}
.image-card img{width:100%;border-radius:20px}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.feature-list>div{padding:16px;border:1px solid var(--border);border-radius:16px;background:#fff}
.feature-list strong,.feature-list span{display:block}
.feature-list strong{font-size:17px;color:var(--green-dark)}
.feature-list span{margin-top:4px;color:var(--muted);font-size:13px;line-height:1.55}
.check-list{list-style:none;padding:0;margin:24px 0}
.check-list li{position:relative;padding:10px 0 10px 34px;border-bottom:1px solid #e7ebf2}
.check-list li:before{content:"✓";position:absolute;left:0;top:10px;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:#eaf7e8;color:var(--green-dark);font-size:12px;font-weight:900}
.inline-cta{display:inline-flex;color:var(--green-dark);font-weight:900;text-decoration:none;border-bottom:1px solid rgba(47,143,67,.35)}
.mode-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:24px}
.mode-grid>div{padding:16px;border:1px solid var(--border);border-radius:16px;background:#fff}
.mode-grid strong,.mode-grid span{display:block}
.mode-grid strong{color:var(--navy);font-size:16px}
.mode-grid span{margin-top:2px;color:var(--muted);font-size:13px}
.compare-section{background:linear-gradient(180deg,#f8fafc,#fff)}
.compare-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.compare-grid>div{padding:20px;border:1px solid var(--border);border-radius:18px;background:#fff}
.compare-grid span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#edf8ec;color:var(--green-dark);font-weight:900}
.compare-grid strong{display:block;margin-top:10px;color:var(--navy);font-size:16px}
.compare-grid p{margin:7px 0 0;color:var(--muted);font-size:13px;line-height:1.65}
.offer-section{padding-top:40px}
.offer-card{display:grid;grid-template-columns:.75fr 1.25fr;align-items:center;gap:34px;overflow:hidden;padding:34px;border-radius:30px;background:linear-gradient(135deg,#121a4c,#252f69);color:#fff;box-shadow:var(--shadow)}
.offer-product{min-height:330px;display:grid;place-items:center;border-radius:24px;background:#fff;overflow:hidden}
.offer-product img{width:100%;max-width:390px;mix-blend-mode:multiply}
.offer-copy h2{color:#fff}
.offer-copy p{color:#d6dcf0}
.offer-price{margin:14px 0 8px;font-size:48px;font-weight:900;letter-spacing:-.04em;color:#8fe17e}
.faq-list{margin-top:26px;border-top:1px solid var(--border)}
details{border-bottom:1px solid var(--border);background:#fff}
summary{cursor:pointer;list-style:none;padding:20px 44px 20px 0;position:relative;color:var(--navy);font-size:16px;font-weight:900}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:6px;top:16px;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:#f2f4f8;color:var(--navy);font-size:20px}
details[open] summary:after{content:"−"}
.faq-answer{padding:0 44px 20px 0;color:#59667e}
.faq-answer p{margin:0}
.final-contact{padding-top:40px;background:#f6f8fb}
.final-contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;padding:30px;border:1px solid var(--border);border-radius:26px;background:#fff}
.footer-logo{width:118px;height:auto;margin-bottom:8px}
.final-contact p{margin-bottom:0;color:var(--muted)}
.final-actions{display:grid;gap:10px}
.contact-box{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border:1px solid var(--border);border-radius:14px;text-decoration:none;background:#fafbfc}
.contact-box span{color:var(--muted)}
.contact-box strong{color:var(--navy);font-size:18px}
.site-footer{padding:26px 0 110px;background:#111833;color:#c7d0e5;font-size:12px}
.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.mobile-cta{display:none}

@media (max-width: 1024px){
  body{font-size:15px}
  .container{width:min(100% - 32px,980px)}
  .desktop-only{display:none}
  .header-inner{min-height:70px}
  .hero{padding-top:22px}
  .hero-grid{grid-template-columns:1fr 1fr;gap:28px}
  .product-stage{min-height:440px}
  h1{font-size:clamp(32px,5vw,46px)}
  .hero-lead{font-size:15px;line-height:1.75}
  .hero-actions,.offer-actions{grid-template-columns:1fr 1fr}
  .hero-actions .btn-primary,.offer-actions .btn-primary{grid-column:1/-1}
  .trust-grid{grid-template-columns:1fr 1fr}
  .compare-grid{grid-template-columns:1fr 1fr}
  .two-col{gap:32px}
}

@media (max-width: 760px){
  body{font-size:15px;line-height:1.68;padding-bottom:76px}
  .container{width:min(100% - 24px,680px)}
  .site-header{position:relative}
  .header-inner{min-height:64px;gap:12px}
  .brand img{width:62px;height:62px}
  .product-brand{margin-left:auto;margin-right:0;gap:6px}
  .product-brand img{width:42px;height:42px}
  .product-brand span{font-size:11px}
  .hero{padding:14px 0 28px}
  .hero-grid{display:flex;flex-direction:column;gap:18px}
  .hero-media{width:100%}
  .product-stage{min-height:0;aspect-ratio:1.08/1;border-radius:24px}
  .product-stage img{width:92%}
  .badge{top:12px;left:12px;font-size:10px;padding:6px 9px}
  .hero-copy{width:100%}
  .eyebrow,.section-kicker{font-size:12px;margin-bottom:6px}
  h1{font-size:30px;line-height:1.23}
  h2{font-size:27px;line-height:1.28}
  .hero-lead{margin:12px 0 14px;font-size:15px;line-height:1.7}
  .price-card{margin-bottom:12px;padding:14px 15px;border-radius:16px}
  .price-card strong{font-size:38px}
  .price-note{width:100%;font-size:12px}
  .hero-actions{grid-template-columns:1fr 1fr;gap:8px}
  .hero-actions .btn-primary{grid-column:1/-1}
  .btn{min-height:48px;padding:11px 12px;border-radius:12px;font-size:14px}
  .contact-hint{font-size:12px}
  .quick-trust{margin-top:12px}
  .quick-trust span{font-size:11px;padding:6px 8px}
  .section{padding:50px 0}
  .section-tight{padding-top:12px}
  .trust-grid{grid-template-columns:1fr;gap:8px}
  .trust-card{min-height:74px;padding:13px}
  .two-col,.final-contact-inner,.offer-card{grid-template-columns:1fr;gap:22px}
  .reverse-mobile figure{order:2}
  .feature-list,.mode-grid,.compare-grid{grid-template-columns:1fr}
  .feature-list>div,.mode-grid>div,.compare-grid>div{padding:14px}
  .image-card{padding:8px;border-radius:20px}
  .image-card img{border-radius:15px}
  .offer-card{padding:18px;border-radius:24px}
  .offer-product{min-height:0;aspect-ratio:1.25/1}
  .offer-product img{width:78%}
  .offer-price{font-size:42px}
  .offer-actions{grid-template-columns:1fr 1fr}
  .offer-actions .btn-primary{grid-column:1/-1}
  summary{padding:17px 42px 17px 0;font-size:15px;line-height:1.45}
  summary:after{top:13px}
  .faq-answer{padding:0 36px 18px 0;font-size:14px}
  .final-contact-inner{padding:20px}
  .site-footer{padding-bottom:28px}
  .footer-inner{display:block;text-align:center}
  .footer-inner span{display:block;margin:4px 0}
  .mobile-cta{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:100;
    display:grid;
    grid-template-columns:1.08fr 1fr 1fr;
    gap:1px;
    padding:6px max(6px,env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(6px,env(safe-area-inset-left));
    background:rgba(17,24,51,.98);
    box-shadow:0 -8px 30px rgba(0,0,0,.16)
  }
  .mobile-cta a{min-width:0;min-height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:10px;text-decoration:none;color:#fff;line-height:1.15;padding:7px 4px}
  .mobile-line{background:var(--line)}
  .mobile-phone{background:#26305e}
  .mobile-cta span{font-size:10px;opacity:.9}
  .mobile-cta strong{font-size:11px;margin-top:3px;white-space:nowrap}
}

@media (max-width: 380px){
  h1{font-size:27px}
  .hero-actions{grid-template-columns:1fr}
  .hero-actions .btn-primary{grid-column:auto}
  .offer-actions{grid-template-columns:1fr}
  .offer-actions .btn-primary{grid-column:auto}
  .mobile-cta strong{font-size:10px}
  .product-brand span{display:none}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}