/* ============================================================
   กิจรุ่งโรจน์แบตเตอรี่ — ธีมโปสเตอร์ (ดำ/เขียวนีออน)
   ============================================================ */

:root{
  --g:#80D001;          /* เขียวหลัก */
  --g2:#92E901;         /* เขียวสว่าง */
  --g3:#5FA700;         /* เขียวเข้ม */
  --line:#2b3a1f;       /* เส้นขอบเขียวหม่น */
  --red:#E1121A;
  --gold:#E9C25A;
  --gold2:#F7E7A8;
  --bg:#000;
  --panel:#070b06;
  --panel2:#0b1208;
  --txt:#ffffff;
  --dim:#c9d3c2;
  --dim2:#93a08c;
  --wrap:1180px;
  --r:20px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:'Kanit',system-ui,'Segoe UI',sans-serif;
  font-weight:400;line-height:1.55;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}

.wrap{width:min(100% - 28px,var(--wrap));margin-inline:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:var(--g);color:#000;padding:10px 16px;border-radius:10px}

/* พื้นเรืองแสงเขียวจาง ๆ แบบในโปสเตอร์ */
.glow{position:relative;isolation:isolate}
.glow::before{
  content:'';position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(60% 120% at 8% 50%, rgba(128,208,1,.13), transparent 70%),
    radial-gradient(50% 120% at 92% 40%, rgba(128,208,1,.10), transparent 72%);
}

/* สีที่ใส่ได้จากหลังบ้าน: *แดง*  _เขียว_ */
.kr-red{font-style:normal;color:var(--red);font-weight:700}
.kr-green{font-style:normal;color:var(--g)}
.kr-nb{white-space:nowrap}

/* ---------- แถบหัวเว็บ ---------- */
.site-head{position:sticky;top:0;z-index:60;background:#000;border-bottom:1px solid #151a12}
.head-in{display:flex;align-items:center;gap:18px;padding:10px 0 8px}

.brand{display:flex;align-items:center;gap:12px;flex:0 1 auto;min-width:0}
.brand img{width:62px;height:62px;object-fit:contain;filter:drop-shadow(0 0 10px rgba(128,208,1,.35))}
.brand b{display:block;font-weight:700;font-size:23px;line-height:1.1;letter-spacing:.2px}
.brand b .kr-green{font-style:normal;color:var(--g)}
.brand small{display:block;font-size:12.5px;color:var(--dim2);font-weight:300;margin-top:2px}

.head-contacts{margin-left:auto;display:flex;align-items:center;gap:14px}
.hc{display:inline-flex;align-items:center;gap:9px;font-weight:500;font-size:17px;white-space:nowrap}
.hc .ico{
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(180deg,#8fe30a,#4f9c00);color:#04210a;
  box-shadow:0 0 0 2px rgba(128,208,1,.22),0 4px 12px rgba(0,0,0,.6);
}
.hc.line .ico{background:linear-gradient(180deg,#22d24a,#06a13a);color:#fff;font-size:9px;font-weight:700}
.hc .ico svg{width:17px;height:17px}
.hc:hover{color:var(--g2)}

.burger{display:none;margin-left:6px;width:44px;height:40px;border:1px solid #24301c;border-radius:10px;background:#0a0f08}
.burger span,.burger span::before,.burger span::after{
  content:'';display:block;width:20px;height:2px;background:var(--g);margin:auto;position:relative;border-radius:2px}
.burger span::before{position:absolute;top:-6px}
.burger span::after{position:absolute;top:6px}

/* ---------- เมนู ---------- */
.mainnav{background:#000;border-top:1px solid #101509}
.mainnav .wrap{display:flex;justify-content:center;gap:6px;flex-wrap:wrap}
.mainnav a{
  padding:11px 20px;font-size:16.5px;font-weight:400;color:#e6ebe2;position:relative;
}
.mainnav a::after{
  content:'';position:absolute;left:20px;right:20px;bottom:6px;height:2px;
  background:var(--g);transform:scaleX(0);transition:transform .22s;border-radius:2px}
.mainnav a:hover{color:var(--g2)}
.mainnav a:hover::after,.mainnav a.on::after{transform:scaleX(1)}
.mainnav a.on{color:var(--g);font-weight:500}

/* ---------- ฮีโร่ ---------- */
.hero{position:relative;overflow:hidden;background:#02040a}
.hero-bg{
  position:absolute;inset:0;
  background:url('media/hero-truck.webp') right center/cover no-repeat;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,#000 6%,rgba(0,0,0,.92) 26%,rgba(0,0,0,.55) 44%,rgba(0,0,0,.12) 62%,transparent 76%);
}
.hero-in{position:relative;z-index:2;padding:52px 0 46px;min-height:520px}
.hero h1{
  margin:0;font-weight:700;font-size:clamp(34px,5.1vw,62px);line-height:1.12;letter-spacing:-.5px;
  text-shadow:0 4px 22px rgba(0,0,0,.85);
}
.hero h1 .kr-green{font-style:normal;color:var(--g);text-shadow:0 0 26px rgba(128,208,1,.5),0 4px 18px rgba(0,0,0,.8)}
.hero .sub{
  margin:6px 0 26px;font-weight:400;font-size:clamp(17px,2.1vw,27px);color:#f2f6ee;
  text-shadow:0 3px 14px rgba(0,0,0,.85)}
.hero .l2{
  margin:0;font-weight:600;font-size:clamp(20px,2.7vw,34px);color:var(--g);
  text-shadow:0 0 20px rgba(128,208,1,.35),0 3px 12px rgba(0,0,0,.9)}
.hero .l3{display:flex;align-items:baseline;gap:14px;margin:2px 0 26px;flex-wrap:wrap}
.hero .free{
  font-weight:700;font-size:clamp(42px,7vw,84px);line-height:1;color:var(--red);
  -webkit-text-stroke:3px #fff;paint-order:stroke fill;
  text-shadow:0 6px 20px rgba(0,0,0,.9)}
.hero .num{font-weight:700;font-size:clamp(38px,6.4vw,76px);line-height:1;color:#fff;text-shadow:0 6px 20px rgba(0,0,0,.9)}
.hero .hr{font-weight:600;font-size:clamp(20px,2.6vw,32px);color:#fff}

.checks{display:grid;gap:13px}
.checks li{display:flex;align-items:center;gap:12px;font-size:clamp(15px,1.7vw,20px);font-weight:400;
  text-shadow:0 2px 10px rgba(0,0,0,.9)}
.checks .tick{
  width:30px;height:30px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(180deg,#8fe30a,#4f9c00);box-shadow:0 0 14px rgba(128,208,1,.5)}
.checks .tick svg{width:17px;height:17px;color:#062b06}
.checks .kr-red{font-style:normal;color:var(--red);font-weight:700;-webkit-text-stroke:1.5px #fff;paint-order:stroke fill;font-size:1.25em}

/* ตรารับประกัน */
.warranty{
  position:absolute;z-index:3;right:max(14px,calc((100vw - var(--wrap))/2));top:34px;
  width:212px;text-align:center;filter:drop-shadow(0 10px 26px rgba(0,0,0,.75))}
.warranty .shield{position:relative}
.warranty svg.sh{width:100%;height:auto;display:block}
.warranty .txt{position:absolute;inset:0;display:grid;align-content:start;justify-items:center;padding-top:17%}
.warranty .t1{font-size:15px;font-weight:400;color:var(--gold2);line-height:1}
.warranty .t2{font-size:33px;font-weight:700;color:#fff;line-height:1.15;margin-top:2px;
  text-shadow:0 2px 8px rgba(0,0,0,.7)}
.warranty .ribbon{
  position:absolute;left:-13%;right:-13%;bottom:24%;
  background:linear-gradient(180deg,#14170f,#000);border-top:2px solid var(--gold);border-bottom:2px solid var(--gold);
  padding:6px 10px;font-size:13.5px;color:var(--gold2);font-weight:400;
  clip-path:polygon(0 0,100% 0,91% 50%,100% 100%,0 100%,9% 50%);
  line-height:1.25;white-space:nowrap;
}

/* ---------- แถบจุดเด่น 4 ช่อง ---------- */
.panel{
  background:linear-gradient(160deg,#080d06 0%,#050804 45%,#0a1207 100%);
  border:1px solid var(--line);border-radius:var(--r);
  box-shadow:inset 0 0 60px rgba(128,208,1,.06),0 12px 40px rgba(0,0,0,.6);
}
.usp{margin:26px 0}
.usp .panel{display:grid;grid-template-columns:1.02fr 1.3fr 1.06fr .92fr;padding:22px 6px}
.usp .it{display:flex;gap:12px;align-items:center;padding:6px 16px;position:relative;min-width:0}
.usp .it + .it::before{content:'';position:absolute;left:0;top:6%;bottom:6%;width:1px;
  background:linear-gradient(180deg,transparent,#2c3a20,transparent)}
.usp .ic{flex:0 0 auto;color:var(--g);width:52px;height:52px}
.usp .ic svg{width:100%;height:100%}
.usp b{display:block;font-weight:400;font-size:16.5px;line-height:1.3;color:#fff}
.usp .big{font-weight:700;font-size:24px;line-height:1.2;white-space:nowrap}
.usp .big .kr-green{font-style:normal;color:var(--g)}
.usp .kr-red{font-style:normal;color:var(--red);font-weight:700;-webkit-text-stroke:1.2px #fff;paint-order:stroke fill}
.usp small{display:block;font-size:13.5px;color:var(--dim2);font-weight:300;margin-top:4px}

/* ---------- หัวข้อหมวด ---------- */
.sec-head{display:flex;align-items:center;gap:18px;margin:46px 0 20px}
.sec-head::before,.sec-head::after{content:'';flex:1;height:1px;
  background:linear-gradient(90deg,transparent,var(--g3),transparent)}
.sec-head h2{
  margin:0;font-size:clamp(23px,3.2vw,33px);font-weight:700;color:var(--g);white-space:nowrap;
  text-shadow:0 0 24px rgba(128,208,1,.35)}

/* ---------- แบรนด์แบตเตอรี่ ---------- */
.brands .panel{padding:26px 20px 24px}
.bgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.bcard{display:block;text-align:center}
.bcard .ph{
  display:block;overflow:hidden;transition:transform .2s,filter .2s;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 11%,#000 89%,transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 11%,#000 89%,transparent 100%)}
.bcard .ph img{
  -webkit-mask-image:linear-gradient(180deg,transparent 0,#000 9%,#000 91%,transparent 100%);
  mask-image:linear-gradient(180deg,transparent 0,#000 9%,#000 91%,transparent 100%)}
.bcard img{width:100%;height:auto;aspect-ratio:168/162;object-fit:cover}
.bcard .nm{
  display:inline-block;margin-top:12px;padding:6px 18px;border:1px solid var(--g3);border-radius:999px;
  font-size:14px;font-weight:400;color:#fff;background:#04070300;transition:.2s}
.bcard:hover .ph{transform:translateY(-3px) scale(1.03);filter:brightness(1.12)}
.bcard:hover .nm{background:var(--g);color:#04210a;border-color:var(--g)}

.brand-div{height:1px;margin:26px 4px 22px;background:linear-gradient(90deg,transparent,#2c3a20 12%,#2c3a20 88%,transparent)}

.trust{display:grid;grid-template-columns:.95fr .92fr .92fr 1.21fr}
.trust .it{display:flex;align-items:center;gap:11px;padding:4px 10px;position:relative;min-width:0}
.trust .it > span{min-width:0}
.trust .it + .it::before{content:'';position:absolute;left:0;top:8%;bottom:8%;width:1px;
  background:linear-gradient(180deg,transparent,#2c3a20,transparent)}
.ring{width:58px;height:58px;flex:0 0 auto;position:relative;display:grid;place-items:center}
.ring svg.arc{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.ring .gi{width:26px;height:26px;color:#fff}
.trust b{display:block;font-weight:500;font-size:16.5px;color:#fff;white-space:nowrap}
.trust b .kr-green{font-style:normal;color:var(--g)}
.trust small{display:block;font-size:12.5px;color:var(--dim2);font-weight:300;line-height:1.35}

/* ---------- แถบติดต่อ ---------- */
.cta{margin:26px 0}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) 216px 262px;gap:14px}
.cta-main{padding:26px 22px;text-align:center;position:relative;overflow:hidden}
.cta-main h2{margin:0;font-size:clamp(26px,3.6vw,40px);font-weight:700;color:var(--g);
  text-shadow:0 0 26px rgba(128,208,1,.4)}
.cta-main .p2{margin:2px 0 18px;font-size:clamp(18px,2.3vw,25px);font-weight:500;color:#fff}
.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:11px 20px;border-radius:14px;
  font-size:clamp(17px,1.55vw,22px);font-weight:600;color:#052b05;white-space:nowrap;
  background:linear-gradient(180deg,#a6f30d,#63b400);
  box-shadow:0 8px 22px rgba(128,208,1,.28),inset 0 1px 0 rgba(255,255,255,.5);
  transition:transform .18s,box-shadow .18s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(128,208,1,.42)}
.btn .bi{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  background:#fff;color:#0a7a12}
.btn .bi svg{width:19px;height:19px}
.btn.line{background:linear-gradient(180deg,#2fd357,#0a9c33);color:#fff}
.btn.line .bi{background:#fff;color:#06C755;font-size:10px;font-weight:700}
.cta-main .note{margin:18px 0 0;color:var(--dim);font-size:16px;font-weight:300;position:relative}
.cta-main .note::before,.cta-main .note::after{content:'';position:absolute;top:50%;width:14%;height:1px;background:#2c3a20}
.cta-main .note::before{left:2%}
.cta-main .note::after{right:2%}

.cta-qr{padding:16px;text-align:center}
.cta-qr .lbl{color:var(--g);font-size:15px;font-weight:400;margin-bottom:10px}
.cta-qr .card{background:#fff;border-radius:12px;padding:10px;border:2px solid var(--g3)}
.cta-qr img{width:100%;height:auto;border-radius:4px}

.cta-side{padding:24px 18px;text-align:center;display:grid;align-content:center}
.cta-side .s1{font-size:clamp(18px,2.1vw,23px);font-weight:500;color:#fff}
.cta-side .s2{font-size:clamp(24px,3.1vw,33px);font-weight:700;color:var(--g);line-height:1.15;
  text-shadow:0 0 24px rgba(128,208,1,.35)}
.cta-side .s3{
  font-size:clamp(34px,4.8vw,52px);font-weight:700;color:var(--red);line-height:1.1;
  -webkit-text-stroke:2.5px #fff;paint-order:stroke fill}
.cta-side .s4{font-size:11.5px;color:var(--dim2);font-weight:300;margin-top:8px}

/* ---------- ปัญหาที่เราช่วยได้ ---------- */
.probs{margin:26px 0 0}
.probs .panel{display:grid;grid-template-columns:repeat(5,1fr);padding:26px 12px}
.probs .it{text-align:center;padding:0 14px;position:relative}
.probs .it + .it::before{content:'';position:absolute;left:0;top:4%;bottom:4%;width:1px;
  background:linear-gradient(180deg,transparent,#2c3a20,transparent)}
.probs .ring{margin:0 auto 12px;width:66px;height:66px}
.probs .ring .gi{width:32px;height:32px}
.probs b{display:block;font-weight:400;font-size:16px;color:#fff}
.probs small{display:block;font-size:14px;color:var(--dim2);font-weight:300}

/* ---------- ท้ายเว็บ ---------- */
.foot{padding:22px 0 30px;text-align:center;font-size:clamp(15px,1.9vw,19px);font-weight:500}
.foot .fmain{color:#dfe6d9;display:inline-block;max-width:34em;text-wrap:balance}
.foot .kr-green{font-style:normal;color:var(--g)}
.foot .kr-red{font-style:normal;color:var(--red)}
.foot .sm{display:block;margin-top:8px;font-size:13.5px;color:var(--dim2);font-weight:300;text-wrap:pretty}

/* ---------- ปุ่มลอยบนมือถือ ---------- */
.dock{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  grid-template-columns:1fr 1fr;gap:1px;background:#0d1409;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom)}
.dock a{display:flex;align-items:center;justify-content:center;gap:9px;padding:13px 6px;font-weight:600;font-size:17px}
.dock .d1{background:linear-gradient(180deg,#a6f30d,#63b400);color:#052b05}
.dock .d2{background:linear-gradient(180deg,#2fd357,#0a9c33);color:#fff}
.dock svg{width:19px;height:19px}

/* ============================================================
   จอเล็ก
   ============================================================ */
@media (max-width:1080px){
  .cta-grid{grid-template-columns:1fr 230px}
  .cta-side{grid-column:1/-1}
  .usp .panel{grid-template-columns:repeat(2,1fr);gap:18px 0}
  .usp .it:nth-child(odd) + .it::before{background:linear-gradient(180deg,transparent,#2c3a20,transparent)}
  .usp .it:nth-child(3)::before{display:none}
  .bgrid{grid-template-columns:repeat(3,1fr)}
  .trust{grid-template-columns:repeat(2,1fr);gap:16px 0}
  .trust .it:nth-child(3)::before{display:none}
  .probs .panel{grid-template-columns:repeat(3,1fr);gap:22px 0}
  .probs .it:nth-child(4)::before{display:none}
}

@media (max-width:860px){
  .head-contacts .hc span.n{display:none}
  .hero-bg{background-position:72% center}
  .hero-bg::after{background:linear-gradient(180deg,rgba(0,0,0,.86) 0%,rgba(0,0,0,.72) 46%,rgba(0,0,0,.9) 100%)}
  .warranty{width:126px;top:10px;bottom:auto;right:12px}
  .hero h1,.hero .sub{max-width:calc(100% - 136px)}
  .warranty .t2{font-size:23px}
  .warranty .t1{font-size:12px}
  .warranty .ribbon{font-size:10px;padding:4px 6px}
  .mainnav .wrap{
    display:none;flex-direction:column;align-items:stretch;gap:0;padding-bottom:8px}
  .mainnav.open .wrap{display:flex}
  .mainnav a{padding:12px 8px;border-bottom:1px solid #141a10}
  .mainnav a::after{display:none}
  .burger{display:grid;place-items:center}
  .head-contacts{gap:8px}
  .brand img{width:50px;height:50px}
  .brand b{font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .head-in{gap:10px}
  .dock{display:grid}
  body{padding-bottom:58px}
}

@media (max-width:640px){
  .hero-in{padding:34px 0 40px;min-height:auto}
  .checks li{font-size:15px}
  .usp .panel{grid-template-columns:1fr;padding:16px 8px}
  .usp .it + .it::before{left:20px;right:20px;top:0;bottom:auto;width:auto;height:1px;
    background:linear-gradient(90deg,transparent,#2c3a20,transparent)}
  .usp .it{padding:14px 18px}
  .bgrid{grid-template-columns:repeat(2,1fr)}
  .trust{grid-template-columns:1fr}
  .trust .it::before{display:none!important}
  .trust .it{padding:10px 14px}
  .cta-grid{grid-template-columns:1fr}
  .cta-qr{max-width:280px;margin:0 auto;width:100%}
  .cta-main{padding:22px 16px}
  .cta-main .note::before,.cta-main .note::after{display:none}
  .probs .panel{grid-template-columns:repeat(2,1fr)}
  .probs .it::before{display:none!important}
  .brand small{display:none}
  .foot{font-size:14.5px}
  .foot .sm{font-size:12.5px}
  .brand b{font-size:17px}
  .brand img{width:46px;height:46px}
  .head-contacts .hc{display:none}
  .warranty{width:108px;top:8px}
  .warranty .t1{font-size:10.5px}
  .warranty .t2{font-size:19px}
  .warranty .ribbon{font-size:9px;padding:3px 4px}
  .hero h1,.hero .sub{max-width:calc(100% - 116px)}
}

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

/* ============================================================
   ปุ่มโทร / ไลน์ ลอยข้างจอ (มีทุกหน้า)
   ============================================================ */
.fab{
  position:fixed;right:16px;top:50%;transform:translateY(-50%);z-index:65;
  display:flex;flex-direction:column;gap:12px}
.fab a{
  position:relative;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.55);transition:transform .18s,box-shadow .18s}
.fab a:hover{transform:scale(1.08)}
.fab .f-call{background:linear-gradient(180deg,#a6f30d,#4f9c00);color:#04210a}
.fab .f-line{background:linear-gradient(180deg,#2fd357,#06a13a)}
.fab svg{width:27px;height:27px}
.fab .lb{
  position:absolute;right:calc(100% + 10px);top:50%;transform:translateY(-50%) translateX(6px);
  white-space:nowrap;background:#0b1208;border:1px solid var(--line);border-radius:10px;
  padding:7px 13px;font-size:14.5px;font-weight:500;color:#fff;
  opacity:0;pointer-events:none;transition:.2s;box-shadow:0 6px 18px rgba(0,0,0,.5)}
.fab a:hover .lb,.fab a:focus-visible .lb{opacity:1;transform:translateY(-50%) translateX(0)}
.fab .f-call .lb b{color:var(--g)}

/* วงแหวนกระเพื่อมที่ปุ่มโทร ให้สังเกตเห็นง่าย */
.fab .f-call::after{
  content:'';position:absolute;inset:0;border-radius:50%;
  border:2px solid rgba(146,233,1,.75);animation:fabPulse 2.4s ease-out infinite}
@keyframes fabPulse{
  0%{transform:scale(1);opacity:.85}
  70%{transform:scale(1.55);opacity:0}
  100%{transform:scale(1.55);opacity:0}
}

@media (max-width:860px){
  /* บนมือถือมีแถบปุ่มล่างจออยู่แล้ว ยกปุ่มลอยขึ้นมาไม่ให้ทับกัน */
  .fab{right:12px;top:auto;bottom:calc(72px + env(safe-area-inset-bottom));transform:none;gap:10px}
  .fab a{width:50px;height:50px}
  .fab svg{width:24px;height:24px}
  .fab .lb{display:none}
}
@media (prefers-reduced-motion:reduce){ .fab .f-call::after{animation:none;opacity:.5} }