:root{
  --bg:#0c1a2e; --bg2:#112440; --panel:#16304f; --line:#264565;
  --concrete:#8ea0b4; --text:#eaf0f7; --mute:#a7b8cc;
  --accent:#2fcb74; --accent-ink:#04210f; --accent2:#3b82f6; --green:#1e9a52; --blue:#1d5fd0;
  --light:#edf1f5; --ink:#0f1b2d; --deep:#07111f; --link:#0c7a3d;
  --r:4px; --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Prompt','Noto Sans Thai',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.noise::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.18;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
.hazard{height:12px;background:repeating-linear-gradient(-45deg,var(--green) 0 18px,var(--blue) 18px 36px)}

/* header */
.top{background:var(--deep);font-size:13px;color:var(--mute);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:7px;padding-bottom:7px;flex-wrap:wrap}
.top b{color:var(--accent);font-weight:600}
header.nav{position:sticky;top:0;z-index:50;background:rgba(12,26,46,.94);backdrop-filter:blur(8px);border-bottom:3px solid var(--accent)}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.5px;line-height:1.1}
.brand img{height:50px;width:50px;object-fit:contain;background:#fff;border-radius:3px;padding:2px}
.brand small{display:block;font-weight:400;font-size:11px;color:var(--mute);letter-spacing:1.5px}
nav ul{list-style:none;display:flex;gap:2px}
nav a{display:block;padding:8px 13px;font-size:14.5px;font-weight:500;color:#d3deea;border-radius:var(--r);transition:.2s}
nav a:hover,nav a.on{color:var(--accent-ink);background:var(--accent)}
.burger{display:none;background:none;border:2px solid var(--accent);color:var(--accent);width:44px;height:40px;font-size:22px;cursor:pointer;border-radius:var(--r)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;font-weight:700;font-size:15px;border:2px solid var(--accent);cursor:pointer;transition:.2s;font-family:inherit;border-radius:var(--r);
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px))}
.btn.solid{background:var(--accent);color:var(--accent-ink)}
.btn.solid:hover{background:#fff;border-color:#fff}
.btn.ghost{color:var(--accent);background:transparent}
.btn.ghost:hover{background:var(--accent);color:var(--accent-ink)}

/* hero */
.hero{position:relative;min-height:min(88vh,760px);display:flex;align-items:center;overflow:hidden;isolation:isolate}
.hero .bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center}
.hero{background:#4a5560;border-bottom:6px solid var(--green)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(58,61,64,.95) 22%,rgba(70,73,76,.68) 58%,rgba(90,93,96,.3))}
.hero h1{text-shadow:0 2px 14px rgba(0,0,0,.35)}
.hero h1 em{color:#fff;background:linear-gradient(90deg,var(--green),#1f7fb8 60%,var(--blue));padding:0 14px;margin-left:-14px;display:inline-block;line-height:1.3;text-shadow:none}
.hero p{color:#f1f0ec}
.hero .btn.solid{background:var(--green);border-color:var(--green);color:#fff}
.hero .btn.solid:hover{background:#fff;border-color:#fff;color:#111}
.hero .btn.ghost{color:#fff;border-color:#fff}
.hero .btn.ghost:hover{background:#fff;color:#111}
.hero .kicker{color:#fff}.hero .kicker::before{background:var(--green)}
.hero .wrap{width:100%}
.kicker{display:inline-block;font-size:13px;letter-spacing:3px;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:14px;padding-left:44px;position:relative}
.kicker::before{content:"";position:absolute;left:0;top:50%;width:32px;height:3px;background:var(--accent)}
h1,h2,h3{font-weight:800;line-height:1.2}
.hero h1{font-size:clamp(34px,6vw,70px);max-width:820px;text-transform:uppercase;letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{max-width:560px;margin:20px 0 32px;color:#d4d3ce;font-size:18px}
.cta{display:flex;gap:14px;flex-wrap:wrap}
.badge30{position:absolute;right:4%;bottom:10%;width:min(230px,28vw);filter:drop-shadow(0 10px 30px #000)}

/* stats */
.stats{background:linear-gradient(90deg,var(--green),var(--blue));color:#fff;position:relative}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:26px 18px;border-right:2px solid rgba(255,255,255,.22);text-align:center}
.stat:last-child{border:0}
.stat b{display:block;font-size:clamp(28px,4vw,46px);font-weight:800;line-height:1.1}
.stat>span{font-size:14px;font-weight:500}

/* sections */
section{padding:88px 0;position:relative}
.light{background:var(--light);color:var(--ink)}
.light .mute{color:#555}
.alt{background:var(--bg2)}
.sec-head{margin-bottom:46px;max-width:720px}
.sec-head h2{font-size:clamp(28px,4vw,46px);text-transform:uppercase}
.sec-head p{color:var(--mute);margin-top:12px}
.light .sec-head p{color:#555}
.center{margin-left:auto;margin-right:auto;text-align:center}
.center .kicker{padding-left:0}.center .kicker::before{display:none}

.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}

/* product cards */
.pcard{position:relative;display:block;overflow:hidden;background:var(--deep);aspect-ratio:3/4;border:1px solid var(--line)}
.pcard img{width:100%;height:100%;object-fit:cover;transition:.6s;filter:grayscale(.35) contrast(1.05)}
.pcard:hover img{transform:scale(1.07);filter:none}
.pcard .cap{position:absolute;inset:auto 0 0 0;padding:70px 20px 22px;background:linear-gradient(transparent,rgba(7,17,31,.94))}
.pcard .num{font-size:13px;color:var(--accent);letter-spacing:3px;font-weight:600}
.pcard h3{font-size:22px;margin:2px 0 6px}
.pcard p{font-size:14px;color:#c9c8c3;line-height:1.5}
.pcard .go{display:inline-block;margin-top:10px;color:var(--accent);font-weight:600;font-size:14px}
.pcard::after{content:"";position:absolute;left:0;bottom:0;height:5px;width:0;background:var(--accent);transition:.4s}
.pcard:hover::after{width:100%}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .pic{position:relative}
.split .pic img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line)}
.split .pic::after{content:"";position:absolute;right:-14px;bottom:-14px;width:60%;height:60%;border-right:6px solid var(--accent);border-bottom:6px solid var(--accent);z-index:-1}
.split h2{font-size:clamp(26px,3.6vw,40px);text-transform:uppercase;margin-bottom:16px}
.split p{color:var(--mute);margin-bottom:14px}
.light .split p{color:#444}
.checks{list-style:none;margin:18px 0 26px}
.checks li{padding:8px 0 8px 34px;position:relative;border-bottom:1px dashed rgba(128,128,128,.35)}
.checks li::before{content:"";position:absolute;left:0;top:14px;width:18px;height:18px;background:var(--accent);clip-path:polygon(14% 44%,0 65%,50% 100%,100% 16%,80% 0,43% 62%)}

/* feature tiles */
.tile{padding:30px 26px;background:var(--panel);border:1px solid var(--line);border-top:4px solid var(--accent);transition:.25s}
.tile:hover{transform:translateY(-6px);background:#1c3a5e}
.tile .ic{font-size:34px;line-height:1;margin-bottom:12px}
.tile h3{font-size:19px;margin-bottom:8px}
.tile p{color:var(--mute);font-size:15px}
.light .tile{background:#fff;border-color:#d5dde6;border-top-color:var(--accent)}
.light .tile p{color:#555}

/* page head */
.phead{position:relative;padding:110px 0 70px;overflow:hidden;isolation:isolate}
.phead .bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center}
.phead::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(9,24,46,.95),rgba(14,45,86,.62))}
.phead h1{font-size:clamp(32px,5vw,58px);text-transform:uppercase}
.phead p{color:#d3deea;max-width:620px;margin-top:10px}
.crumb{font-size:13px;color:var(--mute);margin-bottom:14px}
.crumb a:hover{color:var(--accent)}

/* tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;min-width:520px}
th{background:var(--accent);color:var(--accent-ink);text-align:left;padding:14px 18px;font-weight:700}
td{padding:14px 18px;border-top:1px solid var(--line);vertical-align:top}
tbody tr:nth-child(even){background:rgba(255,255,255,.04)}
tbody tr:hover{background:rgba(47,203,116,.1)}
td.k{font-weight:800;color:var(--accent);white-space:nowrap;font-size:18px}
.light td{border-color:#d0d9e3}.light tbody tr:nth-child(even){background:rgba(0,0,0,.04)}
.light .tbl-wrap{border-color:#d0d9e3}.light td.k{color:var(--link)}

/* steps */
.steps{counter-reset:s;display:grid;gap:14px}
.step{counter-increment:s;display:flex;gap:18px;padding:18px 20px;background:var(--panel);border-left:5px solid var(--accent)}
.step::before{content:counter(s,decimal-leading-zero);font-size:30px;font-weight:800;color:var(--accent);line-height:1}
.step b{display:block;margin-bottom:2px}
.step span{color:var(--mute);font-size:15px}

/* gallery */
.gallery{columns:3 280px;column-gap:14px}
.gallery figure{break-inside:avoid;margin-bottom:14px;position:relative;overflow:hidden;cursor:zoom-in;background:#000}
.gallery img{width:100%;transition:.5s;filter:grayscale(.3)}
.gallery figure:hover img{transform:scale(1.05);filter:none}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:30px 14px 10px;background:linear-gradient(transparent,rgba(0,0,0,.85));font-size:13.5px;opacity:0;transition:.3s}
.gallery figure:hover figcaption{opacity:1}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filters button{font-family:inherit;background:transparent;color:var(--text);border:2px solid var(--line);padding:8px 18px;cursor:pointer;font-weight:500;border-radius:var(--r);transition:.2s}
.filters button.on,.filters button:hover{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
#lb{position:fixed;inset:0;background:rgba(0,0,0,.94);z-index:200;display:none;align-items:center;justify-content:center;padding:20px;cursor:zoom-out}
#lb.open{display:flex}#lb img{max-height:92vh;max-width:96vw;object-fit:contain}

/* faq */
details{background:var(--panel);border:1px solid var(--line);border-left:5px solid var(--accent);margin-bottom:12px}
summary{padding:18px 56px 18px 22px;font-weight:600;cursor:pointer;list-style:none;position:relative;font-size:17px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:28px;color:var(--accent);transition:.2s}
details[open] summary::after{content:"\2212"}
details p{padding:0 22px 20px;color:var(--mute)}

/* cta band */
.band{background:linear-gradient(100deg,var(--green),var(--blue));color:#fff;padding:56px 0;position:relative;overflow:hidden}
.band .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.band h2{font-size:clamp(24px,3.4vw,38px);text-transform:uppercase}
.band .btn{background:#fff;color:var(--ink);border-color:#fff}
.band .btn:hover{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}

/* contact + footer */
.cbox{display:flex;gap:16px;padding:22px;background:var(--panel);border:1px solid var(--line)}
.cbox .ic{font-size:28px;color:var(--accent);line-height:1}
.cbox b{display:block;margin-bottom:2px}
.cbox a:hover{color:var(--accent)}
.map{width:100%;height:100%;min-height:360px;border:0;filter:grayscale(1) contrast(1.1) invert(.92)}
footer{background:var(--deep);border-top:1px solid var(--line);padding-top:56px;font-size:15px}
footer .grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;padding-bottom:40px}
footer h4{color:var(--accent);margin-bottom:14px;text-transform:uppercase;letter-spacing:1.5px;font-size:14px}
footer li{list-style:none;margin-bottom:6px}
footer li a,footer p{color:var(--mute)}footer li a:hover{color:var(--accent)}
.social{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.social a{border:1px solid var(--line);padding:6px 12px;font-size:13px;color:var(--text)}
.social a:hover{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.copy{border-top:1px solid var(--line);padding:18px 0;color:#77766f;font-size:13px;text-align:center}

/* float */
.float{position:fixed;right:16px;bottom:76px;z-index:60;display:flex;flex-direction:column;gap:10px}
.float a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;font-weight:800;box-shadow:0 6px 20px #000a;font-size:13px}
.float .line{background:#06c755;color:#fff}.float .tel{background:var(--accent);color:var(--accent-ink);font-size:22px}

.reveal{opacity:0;transform:translateY(28px);transition:.7s}
.reveal.in{opacity:1;transform:none}

@media(max-width:960px){
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:34px}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:2px solid rgba(0,0,0,.18)}
  footer .grid{grid-template-columns:1fr 1fr}
  .burger{display:block}
  nav{position:absolute;top:75px;left:0;right:0;background:var(--bg);border-bottom:3px solid var(--accent);display:none}
  nav.open{display:block}
  nav ul{flex-direction:column;padding:10px 20px 18px}
  nav a{padding:13px 10px;font-size:16px;border-bottom:1px solid var(--line)}
  .badge30{display:none}
}
@media(max-width:600px){
  section{padding:64px 0}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .pcard{aspect-ratio:4/3}
  footer .grid{grid-template-columns:1fr}
  .top .wrap>span:last-child{display:none}
  .hero{min-height:80vh}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}

.hero h1 em{color:#fff}

.light .kicker{color:var(--link)}.light .kicker::before{background:var(--link)}
.light .checks li::before{background:var(--link)}
.hero .btn.solid{color:#fff}

/* ===================== v2 : sporty / dynamic ===================== */
html,body{overflow-x:hidden}
.kicker,.stat b,.pcard .num,.sec-head::before{font-family:'Barlow Condensed','Prompt',sans-serif}
.kicker{font-size:15px;letter-spacing:4px;font-weight:700}
.btn{padding:15px 36px;clip-path:polygon(14px 0,100% 0,calc(100% - 14px) 100%,0 100%);border-radius:0}
body{background:radial-gradient(1200px 600px at 85% -10%,rgba(29,95,208,.18),transparent 60%),var(--bg)}

/* hero */
.hero{clip-path:polygon(0 0,100% 0,100% calc(100% - 64px),0 100%);padding-bottom:64px;border-bottom:0;min-height:min(92vh,800px)}
.hero .bg{top:-12%;height:124%;will-change:transform}
.hero h1{font-size:clamp(38px,6.4vw,84px);line-height:1.12;letter-spacing:-1px}
.mascot-hero{position:absolute;right:7%;bottom:72px;height:min(66%,540px);width:auto;z-index:2;filter:drop-shadow(0 26px 30px rgba(0,0,0,.55));animation:bob 4.2s ease-in-out infinite}
.badge30{top:9%;bottom:auto;right:3%;width:min(150px,16vw)}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-1.5deg)}50%{transform:translateY(-14px) rotate(1.5deg)}}

/* ticker */
.ticker{position:relative;z-index:6;margin:-38px -20px 0;transform:rotate(-1.6deg);background:linear-gradient(90deg,var(--green),var(--blue));overflow:hidden;white-space:nowrap;box-shadow:0 14px 40px rgba(0,0,0,.45)}
.ticker .track{display:inline-flex;animation:tick 32s linear infinite;padding:13px 0}
.ticker span{font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:22px;letter-spacing:3px;color:#fff;padding:0 22px}
.ticker i{font-style:normal;color:rgba(255,255,255,.55);font-size:14px;align-self:center}
@keyframes tick{to{transform:translateX(-50%)}}

/* stats as floating cards */
.stats{background:none;color:var(--text);padding:64px 0 0}
.stats .wrap{gap:16px}
.stat{background:var(--panel);border:1px solid var(--line);border-top:4px solid var(--accent);clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);padding:26px 18px 30px}
.stat:nth-child(even){border-top-color:#3b82f6}
.stat b{font-size:clamp(34px,4.6vw,58px);background:linear-gradient(90deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat>span{color:var(--mute)}

/* ghost headings */
.sec-head{position:relative}
.sec-head>*{position:relative;z-index:1}
.sec-head::before{content:attr(data-g);position:absolute;left:-8px;top:-46px;font-weight:800;font-size:clamp(64px,11vw,150px);line-height:1;text-transform:uppercase;color:transparent;-webkit-text-stroke:1.5px rgba(255,255,255,.08);white-space:nowrap;pointer-events:none;z-index:0}
.light .sec-head::before{-webkit-text-stroke-color:rgba(15,27,45,.09)}
.sec-head.center::before{left:50%;transform:translateX(-50%)}
section{overflow:hidden}

/* product cards */
.pcard{clip-path:polygon(0 0,100% 0,100% calc(100% - 28px),calc(100% - 28px) 100%,0 100%);aspect-ratio:3/4.1;border:0}
.pcard .num{font-size:78px;line-height:.85;font-weight:700;color:transparent;-webkit-text-stroke:2px var(--accent);letter-spacing:0;display:block}
.pcard .cap{padding-top:90px}
@media(min-width:961px){.grid.g4>.pcard:nth-child(even){margin-top:36px}.grid.g4{padding-bottom:36px}}

/* pictures */
.split .pic img{clip-path:polygon(0 0,100% 0,100% calc(100% - 32px),calc(100% - 32px) 100%,0 100%)}

/* diagonal light sections */
.light{clip-path:polygon(0 44px,100% 0,100% calc(100% - 44px),0 100%);padding:128px 0;margin:-1px 0}
.light .tile{box-shadow:0 14px 30px rgba(15,27,45,.08)}
.trucks{margin-top:46px;gap:30px}
.trucks figure{background:#fff;border:1px solid #d5dde6;border-top:4px solid var(--green);padding:14px 14px 22px;text-align:center}
.trucks img{width:100%;mix-blend-mode:multiply;max-height:300px;object-fit:contain}
.trucks figcaption b{display:block;font-size:19px;color:var(--ink)}
.trucks figcaption span{color:#4a5a70;font-size:15px}

/* page head diagonal */
.phead{clip-path:polygon(0 0,100% 0,100% calc(100% - 44px),0 100%);padding:116px 0 112px}
.phead::after{background:linear-gradient(90deg,rgba(9,24,46,.96),rgba(14,45,86,.55))}
.phead h1{font-size:clamp(34px,5.4vw,66px)}
.hazard{height:10px}

/* band + mascot */
.band{overflow:visible;margin-top:60px;padding:50px 0}
.band .wrap{justify-content:flex-start}
.band .wrap>div{flex:1 1 300px}
.band .btn{margin-left:auto}
.bm{height:200px;width:auto;margin-top:-108px;margin-bottom:-50px;filter:drop-shadow(0 14px 14px rgba(0,0,0,.35));animation:bob 4.2s ease-in-out infinite;position:relative;z-index:2}

/* faq */
.faqgrid{max-width:1100px;display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.faqside{position:sticky;top:100px;text-align:center;background:var(--panel);border:1px solid var(--line);border-top:4px solid var(--accent);padding:26px 22px 30px}
.faqside img{height:210px;width:auto;margin:-70px auto 12px;animation:bob 4.2s ease-in-out infinite;filter:drop-shadow(0 14px 14px rgba(0,0,0,.4))}
.bubble{margin-bottom:18px}.bubble b{display:block;font-size:19px}.bubble span{color:var(--mute);font-size:14.5px}
.faqside .btn{font-size:14px;padding:13px 22px}

@media(max-width:960px){
  .faqgrid{grid-template-columns:1fr}.faqside{position:static;margin-top:60px}
  .mascot-hero{height:42%;right:3%}.badge30{display:none}
  .stats{padding-top:56px}
  .band .btn{margin-left:0}
}
@media(max-width:600px){
  .hero .wrap{padding-bottom:150px}
  .mascot-hero{height:auto;width:42vw;right:2%;bottom:70px}
  .light{clip-path:polygon(0 26px,100% 0,100% calc(100% - 26px),0 100%);padding:96px 0}
  .bm{height:140px;margin-top:-84px}
  .ticker span{font-size:18px}
}
@media(prefers-reduced-motion:reduce){.mascot-hero,.bm,.faqside img,.ticker .track{animation:none}}

/* calculator */
.calc-sec{background:var(--bg)}
.calc{display:grid;grid-template-columns:1.15fr 1fr;gap:0;border:1px solid var(--line);background:var(--panel);clip-path:polygon(0 0,100% 0,100% calc(100% - 28px),calc(100% - 28px) 100%,0 100%)}
.calc-form{padding:30px}
.calc-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.calc-tabs button{font-family:inherit;font-size:14px;font-weight:500;color:var(--text);background:transparent;border:2px solid var(--line);padding:8px 14px;cursor:pointer;transition:.2s}
.calc-tabs button:hover{border-color:var(--accent)}
.calc-tabs button.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:700}
.calc-fields,.calc-opts{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.calc-opts{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line)}
.calc label{display:block;font-size:13.5px;color:var(--mute)}
.calc input,.calc select{display:block;width:100%;margin-top:6px;padding:12px 14px;font-family:inherit;font-size:17px;font-weight:600;color:#fff;background:var(--bg);border:2px solid var(--line);border-radius:0;outline:none;transition:.2s}
.calc input:focus,.calc select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,203,116,.18)}
.calc-out{padding:30px;background:linear-gradient(160deg,#10416a,#0d2c57 60%,#0b2a3f);border-left:4px solid var(--accent)}
.calc-k{font-size:14px;color:var(--mute);letter-spacing:1px}
.calc-big{display:flex;align-items:baseline;gap:10px;margin:4px 0 14px}
.calc-big span{font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:clamp(54px,7vw,84px);line-height:1;background:linear-gradient(90deg,#fff,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.calc-big small{color:#cfe0f0;font-size:15px}
.calc-rows{list-style:none;margin-bottom:10px}
.calc-rows li{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:15px}
.calc-rows span{color:#cfe0f0}
.calc-note{min-height:22px;color:var(--accent);font-size:14px;margin:8px 0 6px}
.calc-act{display:flex;gap:12px;flex-wrap:wrap;margin:10px 0 14px}
.calc-act .btn{padding:12px 24px;font-size:14px}
.calc-warn{font-size:12.5px;color:#9db3c9;line-height:1.55}
@media(max-width:900px){.calc{grid-template-columns:1fr}.calc-out{border-left:0;border-top:4px solid var(--accent)}}
@media(max-width:480px){.calc-fields,.calc-opts{grid-template-columns:1fr}.calc-form,.calc-out{padding:22px}}

.fcalc{max-width:1000px;margin:0 auto}
.calc-fields.one{grid-template-columns:1fr}
.calc-hint{color:#cfe0f0;font-size:15px;margin:14px 0}
.fcalc .calc-rows li b{text-align:right}
.calc-note:empty{display:none}
.calc-note#fErr{color:#ff9d9d;font-weight:600}
[hidden]{display:none!important}

/* ready-mix calc (items) + tips + block calc */
.calc.rm{max-width:1000px;margin:0 auto}
.calc .lbl{display:block;font-size:13.5px;color:var(--mute)}
.dims{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.hint{display:block;margin-top:6px;color:var(--mute);font-size:12.5px}
.items{margin-top:18px;display:grid;gap:8px}
.items #emptyList{color:var(--mute);text-align:center;padding:14px;border:1px dashed var(--line);font-size:14.5px}
.item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 14px;background:var(--bg);border:1px solid var(--line);border-left:4px solid var(--accent);font-size:14.5px}
.item b{color:#fff;margin-right:8px}.item span{color:var(--mute);font-size:13px}
.item>div:last-child{display:flex;align-items:center;gap:12px;white-space:nowrap}
.item button{font-family:inherit;background:transparent;color:#ff9d9d;border:1px solid #ff9d9d55;padding:4px 12px;cursor:pointer}
.item button:hover{background:#ff9d9d22}
.wlbl{display:block;margin-top:16px;font-size:14px;color:#cfe0f0}
.calc-out .wlbl select{background:#0a2140}
details.tips{max-width:1000px;margin:26px auto 0}
details.tips ul{padding:0 22px 18px 44px;color:var(--mute)}
details.tips li{margin-bottom:6px}
.bcalc{max-width:1060px;margin:0 auto;background:#f8fafc;border:1px solid #d0d9e3;border-top:4px solid var(--green);box-shadow:0 14px 30px rgba(15,27,45,.1)}
.bcalc iframe{display:block;width:100%;height:1500px;border:0}
@media(max-width:600px){.dims{grid-template-columns:1fr}.item{flex-direction:column;align-items:flex-start}.bcalc iframe{height:2200px}}

.fullpic .pic img{aspect-ratio:auto;object-fit:contain;background:#fff}

.specs .big{font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:54px;line-height:1;color:var(--accent);margin:4px 0 10px}
.specs .big small{font-size:18px;color:var(--mute);font-weight:600}

.priceopt{margin-top:22px;padding:16px 18px 18px;border:1px dashed var(--line);background:rgba(255,255,255,.02)}
.priceopt legend{padding:0 8px;font-weight:600;color:var(--accent);font-size:14.5px}
.priceopt p{font-size:13.5px;color:var(--mute);margin-bottom:12px}
.priceopt input{font-size:15px;padding:10px 12px}