/* ACM Material Solutions & Transport — concept D (brushed silver, full-width hero) */
:root{
  --bg:#eef0f2;
  --surface:#ffffff;
  --ink:#0b2233;
  --ink-2:#34414d;
  --muted:#4a5561;
  --label:#4f5b66;
  --line:#c9ced4;
  --line-2:#b9bfc6;
  --accent:#0f5f9c;
  --accent-hover:#0b4c7d;
  --accent-bright:#1a7fc1;
  --silver-1:#f7f8f9;
  --silver-2:#dde1e5;
  --silver-3:#c8cdd3;
  --footer-1:#d7dbe0;
  --footer-2:#b3bac2;
  --r:12px;
  --r-sm:10px;
  --wrap:1200px;
  --gutter:clamp(16px,5vw,64px);
  --head:"Rajdhani",system-ui,sans-serif;
  --body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--body);font-size:16px;line-height:1.6;color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--accent-bright)}
h1,h2,h3,h4{font-family:var(--head);font-weight:700;text-transform:uppercase;line-height:1;margin:0;color:var(--ink);letter-spacing:.01em}
p{margin:0}
.wrap{max-width:calc(var(--wrap) + 2*var(--gutter));margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:16px;top:16px}
:focus-visible{outline:3px solid var(--accent-bright);outline-offset:2px}
.r{border-top-right-radius:var(--r);border-bottom-left-radius:var(--r)}
.eyebrow{font-family:var(--head);font-weight:600;font-size:17px;letter-spacing:.14em;text-transform:uppercase;color:var(--label)}
.lead{font-size:19px;line-height:1.6;color:var(--ink-2)}
.muted{color:var(--muted)}
.rule{height:4px;width:clamp(120px,22vw,280px);background:linear-gradient(90deg,#aab1b8,#fff,#aab1b8)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--head);font-weight:700;font-size:18px;letter-spacing:.06em;text-transform:uppercase;padding:14px 26px;border:2px solid transparent;border-top-right-radius:var(--r-sm);border-bottom-left-radius:var(--r-sm);cursor:pointer;line-height:1.1;transition:background .15s,color .15s,border-color .15s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);color:#fff}
.btn-ghost{background:rgba(255,255,255,.72);border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}
.link-arrow{font-family:var(--head);font-weight:700;font-size:18px;letter-spacing:.06em;text-transform:uppercase;border-bottom:2px solid var(--ink);padding-bottom:2px}

/* header */
.topbar{background:var(--ink);color:#dfe6ec;font-size:14px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px}
.topbar a{color:#fff}
.topbar a:hover{color:#9fd3f7}
.topbar-links{display:flex;gap:22px;flex-wrap:wrap}
.site-header{position:sticky;top:0;z-index:50;background:linear-gradient(180deg,#fff 0%,#e4e7ea 100%);border-bottom:1px solid var(--line-2)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:88px}
.brand img{height:54px;width:auto}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-family:var(--head);font-weight:600;font-size:17px;letter-spacing:.06em;text-transform:uppercase}
.nav a[aria-current="page"]{color:var(--accent)}
.nav .btn{font-size:17px;padding:11px 20px;color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--line-2);border-radius:8px;width:46px;height:46px;cursor:pointer;color:var(--ink)}
.nav-toggle svg{width:24px;height:24px}

/* hero (home) */
.hero{position:relative;min-height:640px;overflow:hidden;background:var(--silver-2);display:flex;align-items:center}
.hero picture,.hero>img{position:absolute;inset:0}
.hero img.hero-img{position:absolute;right:0;top:0;width:100%;height:100%;object-fit:cover;object-position:60% 50%}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(240,242,244,1) 0%,rgba(236,239,242,.9) 30%,rgba(225,229,233,.45) 48%,rgba(225,229,233,0) 64%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:160px;z-index:1;background:linear-gradient(180deg,rgba(238,240,242,0) 0%,var(--bg) 100%)}
.hero-copy{position:relative;z-index:2;max-width:560px;display:flex;flex-direction:column;gap:24px;padding:72px 0 120px}
.hero h1{font-size:clamp(48px,6.2vw,78px);line-height:.93}
.hero .lead{max-width:480px}

/* inner page hero */
.page-hero{background:linear-gradient(135deg,var(--silver-1) 0%,var(--silver-2) 55%,var(--silver-3) 100%);border-bottom:1px solid var(--line-2)}
.page-hero .wrap{padding-top:56px;padding-bottom:56px;display:flex;flex-direction:column;gap:16px}
.page-hero h1{font-size:clamp(42px,5.4vw,66px);line-height:.95}
.page-hero .lead{max-width:720px}
.crumbs{font-size:14px;color:var(--label);display:flex;gap:8px;flex-wrap:wrap}
.crumbs a{color:var(--label);text-decoration:underline;text-underline-offset:3px}
.page-hero.has-img{position:relative;overflow:hidden}
.page-hero.has-img .bgimg{position:absolute;right:0;top:0;width:60%;height:100%;object-fit:cover}
.page-hero.has-img::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,var(--silver-1) 0%,rgba(236,239,242,.95) 42%,rgba(225,229,233,.55) 62%,rgba(225,229,233,.1) 100%)}
.page-hero.has-img .wrap{position:relative;z-index:2}

/* sections */
.section{padding:72px 0}
.section.tight{padding:48px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(34px,4vw,44px)}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-top-right-radius:var(--r);border-bottom-left-radius:var(--r);padding:32px;display:flex;flex-direction:column;gap:12px}
.card .num{font-family:var(--head);font-weight:700;font-size:16px;color:var(--accent)}
.card h3{font-size:26px}
.card p{color:var(--muted)}
.card .link-arrow{margin-top:auto;align-self:flex-start;font-size:16px}

/* product cards */
.pcard{background:var(--surface);border:1px solid var(--line);border-top-right-radius:var(--r);border-bottom-left-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.pcard:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(40,50,60,.12);color:var(--ink)}
.pcard img{width:100%;aspect-ratio:4/3;object-fit:cover}
.pcard .pbody{padding:16px 20px 20px;display:flex;flex-direction:column;gap:6px}
.pcard .pname{font-family:var(--head);font-weight:700;font-size:20px;text-transform:uppercase;line-height:1.05}
.pcard .pdesc{font-size:14px;color:var(--muted);line-height:1.5}
.cat{margin-bottom:56px}
.cat h2{font-size:32px;margin-bottom:20px;display:flex;align-items:center;gap:16px}
.cat h2::after{content:"";flex:1;height:2px;background:linear-gradient(90deg,#aab1b8,rgba(170,177,184,0))}

/* band */
.band{background:linear-gradient(90deg,#fff 0%,#e9ecef 100%);border:1px solid var(--line-2);border-top-right-radius:var(--r);border-bottom-left-radius:var(--r);padding:36px 48px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.band .big{font-family:var(--head);font-weight:700;font-size:52px;line-height:1}
.band .eyebrow{font-size:16px;letter-spacing:.1em}
.band-dark{background:var(--ink);color:#fff;border:none}
.band-dark h2,.band-dark .big{color:#fff}
.band-dark .eyebrow{color:#9fb4c4}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .copy{display:flex;flex-direction:column;gap:18px}
.split .copy h2{font-size:clamp(34px,4vw,44px)}
.split .copy p{color:var(--ink-2)}
.frame{border:6px solid #fff;box-shadow:0 20px 40px rgba(40,50,60,.18);border-top-right-radius:16px;border-bottom-left-radius:16px;overflow:hidden}
.frame img{width:100%;height:100%;object-fit:cover}
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.ticks li{padding-left:28px;position:relative;color:var(--ink-2)}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:14px;height:8px;border-left:3px solid var(--accent);border-bottom:3px solid var(--accent);transform:rotate(-45deg)}

/* services list */
.svc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;background:var(--surface);border:1px solid var(--line);border-top-right-radius:var(--r);border-bottom-left-radius:var(--r);overflow:hidden}
.svc div{padding:32px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.svc div:nth-child(odd){border-right:1px solid var(--line)}
.svc div:nth-last-child(-n+2){border-bottom:none}
.svc .num{font-family:var(--head);font-weight:700;color:var(--accent)}
.svc h3{font-size:22px}
.svc p{color:var(--muted)}

/* product detail */
.pd{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:start}
.pd .frame img{aspect-ratio:4/3}
.pd .copy{display:flex;flex-direction:column;gap:18px}
.pd dl{display:grid;grid-template-columns:auto 1fr;gap:10px 24px;margin:0;padding:24px;background:var(--surface);border:1px solid var(--line);border-top-right-radius:var(--r);border-bottom-left-radius:var(--r)}
.pd dt{font-family:var(--head);font-weight:700;text-transform:uppercase;color:var(--label)}
.pd dd{margin:0}

/* calculator */
.calc{display:grid;grid-template-columns:1.1fr 1fr;gap:0;background:var(--surface);border:1px solid var(--line);border-top-right-radius:16px;border-bottom-left-radius:16px;overflow:hidden}
.calc .in{padding:36px;display:grid;gap:18px}
.calc .out{padding:36px;background:linear-gradient(160deg,var(--ink) 0%,#16384f 100%);color:#fff;display:flex;flex-direction:column;gap:14px}
.calc .out h3{color:#fff;font-size:22px}
.calc .res{font-family:var(--head);font-weight:700;font-size:64px;line-height:1}
.calc .res small{font-size:26px;color:#9fd3f7;margin-left:6px}
.calc .out ul{margin:10px 0 0;padding-left:18px;color:#c8d6e0;font-size:14px;display:grid;gap:6px}
.fld{display:flex;flex-direction:column;gap:6px}
.fld label{font-family:var(--head);font-weight:700;text-transform:uppercase;letter-spacing:.04em;font-size:16px}
.fld .hint{font-size:13px;color:var(--muted)}
.inrow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.unit{position:relative}
.unit span{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px;pointer-events:none}
input,select,textarea{font:inherit;color:var(--ink);width:100%;padding:13px 14px;background:#fff;border:1px solid var(--line-2);border-top-right-radius:8px;border-bottom-left-radius:8px}
textarea{min-height:150px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-bright);outline-offset:0;border-color:var(--accent-bright)}

/* forms */
.form{display:grid;gap:18px;background:var(--surface);border:1px solid var(--line);border-top-right-radius:16px;border-bottom-left-radius:16px;padding:36px}
.req{color:#b3261e}
.hp{position:absolute;left:-9999px}
.points{display:grid;gap:16px}
.point{background:var(--surface);border:1px solid var(--line);border-top-right-radius:var(--r);border-bottom-left-radius:var(--r);padding:22px 24px;display:grid;grid-template-columns:40px 1fr;gap:4px 14px}
.point .num{grid-row:span 2;font-family:var(--head);font-weight:700;font-size:22px;color:var(--accent)}
.point .eyebrow{font-size:14px;letter-spacing:.1em}
.point a,.point span{font-weight:600}

/* FAF */
.faf-top{display:grid;grid-template-columns:1fr 1.2fr;gap:24px;margin-bottom:48px}
.faf-now{background:linear-gradient(160deg,var(--ink) 0%,#16384f 100%);color:#fff;padding:36px;border-top-right-radius:16px;border-bottom-left-radius:16px;display:flex;flex-direction:column;gap:8px}
.faf-now .eyebrow{color:#9fb4c4}
.faf-big{font-family:var(--head);font-weight:700;font-size:96px;line-height:1}
.faf-big span{font-size:44px;color:#9fd3f7}
.faf-now p{color:#c8d6e0}
.formula{font-family:var(--head);font-weight:700;font-size:21px;background:#fff;padding:14px 18px;border-left:4px solid var(--accent);border-top-right-radius:8px;border-bottom-left-radius:8px}
.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:15px}
.table th{background:var(--ink);color:#fff;font-family:var(--head);font-weight:700;text-transform:uppercase;letter-spacing:.04em;text-align:left;padding:12px 16px}
.table td{padding:10px 16px;border-bottom:1px solid #e3e6ea}
.table td:last-child,.table th:last-child{text-align:right}
.table tr.on td{background:var(--accent);color:#fff;font-weight:700}
.note{font-size:14px;color:var(--muted)}
.note a{color:var(--accent);text-decoration:underline}

/* gallery */
.gal{columns:4 260px;column-gap:16px}
.gal a{display:block;margin-bottom:16px;break-inside:avoid;border-top-right-radius:var(--r);border-bottom-left-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#fff}
.gal img{width:100%;height:auto;transition:transform .25s}
.gal a:hover img{transform:scale(1.03)}
.lb{position:fixed;inset:0;background:rgba(11,34,51,.92);display:none;align-items:center;justify-content:center;z-index:200;padding:24px}
.lb.open{display:flex}
.lb img{max-width:100%;max-height:88vh;border-radius:6px}
.lb button{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;width:52px;height:52px;border-radius:50%;font-size:26px;cursor:pointer}
.lb .x{top:18px;right:18px}.lb .pv{left:18px;top:50%;transform:translateY(-50%)}.lb .nx{right:18px;top:50%;transform:translateY(-50%)}

/* yards strip */
.yards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.yard{background:var(--surface);border:1px solid var(--line);border-top-right-radius:var(--r);border-bottom-left-radius:var(--r);padding:28px;display:flex;flex-direction:column;gap:6px}
.yard h3{font-size:22px}
.yard a{color:var(--accent);font-weight:600}

/* footer */
.site-footer{margin-top:72px;background:linear-gradient(180deg,var(--footer-1) 0%,var(--footer-2) 100%);border-top:1px solid #9aa2ab}
.site-footer .wrap{padding-top:48px;padding-bottom:28px}
.fgrid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:32px}
.fgrid h4{font-size:19px;margin-bottom:10px}
.fgrid p,.fgrid li{font-size:15px;line-height:1.7}
.fgrid ul{list-style:none;margin:0;padding:0}
.fgrid img{height:46px;width:auto;margin-bottom:14px}
.fbase{margin-top:36px;padding-top:18px;border-top:1px solid rgba(11,34,51,.18);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--ink-2)}

/* call button (mobile) */
.callfab{display:none}


/* mobile tap targets + overflow guards (audit 29 Sep 2026) */
.form,.form>*,.inrow>*,.fld,.points,.point{min-width:0}
select{max-width:100%;text-overflow:ellipsis}
.topbar a{display:inline-block;padding:8px 0}
.crumbs a{display:inline-block;padding:6px 0}
.fgrid li a{display:inline-block;padding:7px 0}
.fbase a{display:inline-block;padding:6px 0}
.yard a,.point a{display:inline-block;padding:6px 0}

@media (max-width:1100px){
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line-2);padding:8px var(--gutter) 20px;box-shadow:0 16px 30px rgba(40,50,60,.12)}
  .nav.open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid #e3e6ea}
  .nav .btn{margin-top:14px;border-bottom:0}
  .site-header .wrap{min-height:74px;position:relative}
  .brand img{height:44px}
  .topbar .hide-sm{display:none}
  .g3,.g2,.split,.pd,.calc,.faf-top,.yards{grid-template-columns:1fr}
  .hero{min-height:0;display:block}
  .hero picture{position:relative;display:block}
  .hero img.hero-img{position:relative;width:100%;height:300px}
  .hero::before{display:none}
  .hero::after{display:none}
  .hero-copy{padding:36px 0 40px;max-width:none}
  .svc{grid-template-columns:1fr}
  .svc div:nth-child(odd){border-right:none}
  .svc div:nth-last-child(2){border-bottom:1px solid var(--line)}
  .page-hero.has-img .bgimg{width:100%;opacity:.35}
  .band{padding:28px}
  .callfab{display:flex;position:fixed;right:16px;bottom:16px;z-index:60;background:var(--accent);color:#fff;font-family:var(--head);font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:14px 20px;border-top-right-radius:var(--r-sm);border-bottom-left-radius:var(--r-sm);box-shadow:0 10px 24px rgba(11,34,51,.3)}
  .callfab:hover{color:#fff}
}
@media (max-width:560px){
  .g4,.inrow,.fgrid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .card,.form,.calc .in,.calc .out{padding:24px}
  .faf-big{font-size:72px}
  .band .big{font-size:42px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}