:root{
  --bg:#0b0b0c;
  --text:#f3f3f3;
  --muted:#b8b8b8;
  --red:#b30000;
  --red2:#e10600;
  --line:#2a2a2f;
  --shadow: 0 12px 30px rgba(0,0,0,.45);
  --radius:14px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: "Kanit", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, "Noto Sans Thai", sans-serif;
  background: radial-gradient(1200px 500px at 20% -10%, rgba(225,6,0,.22), transparent 60%),
              radial-gradient(900px 600px at 80% 0%, rgba(179,0,0,.18), transparent 55%),
              var(--bg);
  color:var(--text);
}
a{color:inherit; text-decoration:none}
.link{color:#ffd2d2; text-decoration:underline; text-underline-offset:3px}
.wrap{max-width:1080px; margin:0 auto; padding:18px}

.hero{
  padding:22px 18px 16px;
  border-bottom:1px solid var(--line);
  background: linear-gradient(180deg, rgba(20,20,24,.88), rgba(10,10,12,.6));
}
.hero__top{
  max-width:1080px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between; gap:12px;
}
.brand{display:flex; align-items:center; gap:12px}
.brand__logo{
  width:46px; height:46px; border-radius:14px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, var(--red2), var(--red));
  box-shadow: var(--shadow);
  font-weight:800;
  letter-spacing:.5px;
}
.brand__name{font-size:18px; font-weight:800}
.brand__tag{font-size:12px; color:var(--muted)}
.badge{
  font-size:12px;
  padding:8px 12px;
  border:1px solid rgba(225,6,0,.35);
  background: rgba(179,0,0,.12);
  border-radius:999px;
  white-space:nowrap;
}
.hero__mid{max-width:1080px; margin:14px auto 0}
.hero__grid{display:grid; grid-template-columns:1fr; gap:14px}
@media (min-width:920px){ .hero__grid{grid-template-columns:1.15fr .85fr; align-items:stretch;} }

.hero h1{margin:10px 0 6px; font-size:28px}
.sub{margin:0 0 10px; color:var(--muted); line-height:1.65}
.muted{color:var(--muted)}
.mini{
  margin-top:10px; font-size:13px; line-height:1.6;
  padding:10px 12px; border-radius:12px;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}

.cta{display:flex; gap:10px; flex-wrap:wrap; margin-top:10px}
.btn{
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  display:inline-flex; align-items:center; justify-content:center;
  font-weight:700; cursor:pointer;
}
.btn--red{background: linear-gradient(135deg, var(--red2), var(--red)); border-color: rgba(225,6,0,.35);}
.btn--dark{background: rgba(255,255,255,.03)}
.btn--light{background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.14);}
.btn--ghost{background: rgba(255,255,255,.02); border-color: rgba(255,255,255,.08);}

.promoCard{
  height:100%;
  background: rgba(20,20,24,.75);
  border:1px solid rgba(225,6,0,.25);
  border-radius: 18px;
  padding:14px;
  box-shadow: 0 14px 40px rgba(0,0,0,.35);
}
.promoCard__top{display:flex; justify-content:space-between; align-items:center; gap:10px;}
.promoCard__title{font-weight:800;}
.promoCard__chip{
  font-size:11px; padding:6px 10px; border-radius:999px;
  background: rgba(225,6,0,.14); border:1px solid rgba(225,6,0,.25); color:#ffd2d2;
}
.promoCard__price{margin-top:8px; font-size:44px; font-weight:900; line-height:1;}
.promoCard__sub{margin-top:6px}
.promoCard__note{margin-top:8px; color:var(--muted); font-size:12px}
.promoCard__actions{display:flex; gap:10px; flex-wrap:wrap; margin-top:12px}
.promoCard__small{margin-top:12px; color:var(--muted); font-size:12px; line-height:1.6}

.sectionHead{margin-top:18px}
.sectionHead h2{margin:0; font-size:18px}
.sectionHead p{margin:6px 0 0}

.grid{
  margin-top:12px;
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:10px;
}
@media (min-width:920px){ .grid{grid-template-columns: repeat(3, minmax(0,1fr));} }

.card{
  width:100%;
  text-align:left;
  background: rgba(20,20,24,.75);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:12px;
  display:flex;
  align-items:center;
  gap:12px;
  box-shadow: 0 8px 22px rgba(0,0,0,.25);
}
.card:hover{border-color: rgba(225,6,0,.22)}
.card__icon{
  width:44px; height:44px; border-radius:12px;
  display:grid; place-items:center;
  background: rgba(225,6,0,.12);
  border:1px solid rgba(225,6,0,.25);
  font-size:20px;
}
.card__title{font-weight:800}
.card__desc{font-size:12px; color:var(--muted); margin-top:2px}
.card__go{margin-left:auto; opacity:.75; font-size:20px}

.panel{
  margin-top:14px;
  background: rgba(15,15,18,.72);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:14px;
}
.panel__head{display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:10px;}
.panel h2{margin:0; font-size:18px}
.pill{
  font-size:12px; padding:6px 10px; border-radius:999px;
  background: rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.07);
  color:var(--muted);
}

.cols{display:grid; grid-template-columns:1fr; gap:10px}
@media (min-width:920px){ .cols{grid-template-columns:1fr 1fr 1fr;} }

.box{
  background: rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.07);
  border-radius: 12px;
  padding:12px;
}
.box h3{margin:0 0 8px; font-size:14px}
.box ul{margin:0; padding-left:18px; color:var(--muted); line-height:1.7}
.price{font-size:16px; font-weight:900; margin:6px 0 0; color:#fff}

.notice{
  margin-top:12px;
  display:flex; gap:10px; align-items:flex-start;
  padding:12px; border-radius:12px;
  border:1px solid rgba(225,6,0,.18);
  background: rgba(179,0,0,.08);
}
.notice__icon{font-size:20px}
.notice__text{line-height:1.6}

.faq{
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px;
  background: rgba(255,255,255,.03);
  padding:10px 12px;
  margin-top:10px;
}
.faq summary{cursor:pointer; font-weight:800}
.faq__body{margin-top:8px; color:var(--muted); line-height:1.7}

.footer{
  margin-top:14px;
  padding:14px;
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(10,10,12,.65);
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
}
.footer__title{font-weight:900; font-size:14px; margin-bottom:6px}
.footer__line{color:var(--muted); font-size:12px; line-height:1.7}
.small{color:var(--muted); font-size:12px; line-height:1.6}

.fab{
  position:fixed; right:16px; bottom:16px;
  width:54px; height:54px; border-radius:16px;
  border:1px solid rgba(225,6,0,.35);
  background: linear-gradient(135deg, var(--red2), var(--red));
  color:#fff; font-size:22px;
  box-shadow: var(--shadow);
  cursor:pointer;
}
