/* IndussMart site styles — built from Design System v3 tokens (navy/cyan/orange, Montserrat, blueprint masthead) */

:root{
  --navy:#0C263D; --navy-700:#16334F; --navy-900:#081A2C;
  --cyan:#24ADCA; --cyan-bright:#3CC0DC; --cyan-deep:#17859E; --cyan-tint:#E4F6FA;
  --orange:#F26522; --orange-bright:#FF7A3D; --orange-deep:#C7470F; --orange-tint:#FDECE2;
  --ink:#16202B; --steel:#566375; --mute:#8A94A1; --stone:#8A8680;
  --sand:#CFC7C0; --sand-tint:#EFEBE5;
  --line:#DCE2EA; --line-soft:#EAEEF3; --paper:#FFFFFF; --paper-2:#F4F6F9;
  --ok:#1C8B57; --warn:#B97400;
  --display:"Montserrat",system-ui,sans-serif;
  --body:"Montserrat",system-ui,sans-serif;
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:96px;
  --r-sm:3px; --r-md:6px; --r-lg:10px;
  --sh-1:0 1px 2px rgba(12,38,61,.06), 0 1px 3px rgba(12,38,61,.05);
  --sh-2:0 4px 12px rgba(12,38,61,.09), 0 2px 4px rgba(12,38,61,.05);
  --maxw:1160px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.55;-webkit-font-smoothing:antialiased;font-feature-settings:"tnum" 1}
h1,h2,h3,h4{line-height:1.12;letter-spacing:-0.01em;color:var(--navy);font-weight:800}
img{max-width:100%;display:block}
a{color:var(--cyan-deep);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--s5)}
.kicker{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan-deep)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--body);font-weight:600;font-size:15px;
  padding:12px 22px;border-radius:var(--r-md);border:1px solid transparent;cursor:pointer;transition:.15s;white-space:nowrap;line-height:1}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-cta{background:var(--orange);color:#fff}
.btn-cta:hover{background:var(--orange-deep);color:#fff}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-900);color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-outline{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-outline:hover{border-color:var(--navy);color:var(--navy)}
.btn-sm{padding:9px 16px;font-size:14px}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:var(--s5);height:68px}
.nav{height:74px}
.nav .logo{display:flex;align-items:center;gap:6px}
.nav .logo img{height:50px;width:auto}
.nav .logo .wordmark{font-family:var(--display);font-weight:700;font-size:26px;color:var(--navy);letter-spacing:.005em}
.nav .logo .wordmark b{color:var(--cyan-deep);font-weight:700}
.nav .logo:hover,.nav .logo:hover .wordmark,.nav .logo:hover *{text-decoration:none}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:var(--s6);font-size:14px;font-weight:600}
.nav-links a{color:var(--steel)}
.nav-links a:hover{color:var(--navy);text-decoration:none}
.nav .nav-cta{margin-left:var(--s4)}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;cursor:pointer}

/* ---------- Masthead / Hero ---------- */
.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.hero .blueprint{position:absolute;inset:0;opacity:.13;
  background-image:linear-gradient(rgba(124,196,217,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(124,196,217,.5) 1px,transparent 1px);
  background-size:28px 28px}
.hero .glow{position:absolute;right:-160px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(36,173,202,.22),transparent 62%);pointer-events:none}
.hero-inner{position:relative;padding:var(--s9) 0 var(--s8)}
.hero h1{color:#fff;font-size:clamp(34px,5.2vw,58px);line-height:1.05;margin:0 0 var(--s5);letter-spacing:-.02em;max-width:16ch}
.hero h1 .hl{color:var(--cyan)}
.hero .sub{font-size:clamp(17px,2vw,20px);color:#C6D2DD;max-width:60ch;font-weight:500}
.hero .acts{display:flex;gap:var(--s4);margin-top:var(--s7);flex-wrap:wrap}
.hero .trust{margin-top:var(--s6);font-size:14px;color:#9FB1C1;display:flex;align-items:center;gap:10px}
.hero .trust b{color:#fff;font-weight:700}
.hero .trust .dot{width:6px;height:6px;border-radius:50%;background:var(--orange-bright)}

/* ---------- Requirement band ---------- */
.reqband{background:var(--navy-900);color:#fff}
.reqband .inner{display:flex;align-items:center;justify-content:space-between;gap:var(--s6);padding:var(--s7) 0;flex-wrap:wrap}
.reqband h2{color:#fff;font-size:clamp(22px,3vw,30px);max-width:22ch}
.reqband p{color:#B9C6D2;max-width:52ch;margin-top:8px;font-size:15px}

/* ---------- Sections ---------- */
.section{padding:var(--s9) 0}
.section.alt{background:var(--paper-2)}
.section-head{max-width:64ch;margin-bottom:var(--s7)}
.section-head h2{font-size:clamp(26px,3.6vw,40px);margin-top:8px}
.section-head p{color:var(--steel);font-size:17px;margin-top:var(--s3)}

/* ---------- Category grid ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s4)}
.cat{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:.15s;display:block}
.cat:hover{border-color:var(--cyan);box-shadow:var(--sh-2);text-decoration:none;transform:translateY(-2px)}
.cat .thumb{aspect-ratio:16/10;background:#fff;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.cat .thumb img{width:100%;height:100%;object-fit:cover;object-position:center;transition:.3s}
.cat .thumb.contain img{object-fit:contain;padding:14px}
.cat:hover .thumb img{transform:scale(1.04)}
.cat .body{padding:var(--s5)}
.cat .nm{font-family:var(--display);font-weight:700;font-size:18px;color:var(--navy);margin-bottom:6px}
.cat .ds{font-size:14px;color:var(--steel);line-height:1.5}
.cat .go{margin-top:var(--s4);font-size:13px;font-weight:600;color:var(--orange-deep)}

/* ---------- Solutions ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s4)}
.sol{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:var(--s5);display:flex;gap:var(--s4);transition:.15s;align-items:flex-start}
.sol:hover{border-color:var(--cyan);box-shadow:var(--sh-2);transform:translateY(-2px)}
.sol .si{flex:none;width:48px;height:48px;border-radius:11px;background:var(--cyan-tint);display:flex;align-items:center;justify-content:center;color:var(--cyan-deep)}
.sol .si svg{width:26px;height:26px}
.sol h3{font-size:18px;margin-bottom:6px}
.sol p{color:var(--steel);font-size:14.5px}
.sol .go{margin-top:var(--s3);font-size:13px;font-weight:600;color:var(--orange-deep)}

/* Nav dropdown */
.has-drop{position:relative;display:flex;align-items:center;height:74px}
.has-drop>a{display:inline-flex;align-items:center;gap:5px}
.has-drop .caret{transition:.15s}
.has-drop:hover .caret{transform:rotate(180deg)}
.drop{position:absolute;top:100%;left:-16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:var(--s5) var(--s5) var(--s4);display:flex;gap:var(--s6);opacity:0;visibility:hidden;transform:translateY(8px);transition:.16s;z-index:70}
.has-drop:hover .drop{opacity:1;visibility:visible;transform:none}
.dcol{min-width:160px}
.dcol .dh{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);font-weight:700;margin-bottom:8px}
.dcol a{display:block;padding:6px 8px;margin:0 -8px;border-radius:6px;font-size:13.5px;color:var(--steel);font-weight:500}
.dcol a:hover{background:var(--paper-2);color:var(--navy);text-decoration:none}

/* Products page filter */
.filter-bar{display:flex;gap:var(--s4);align-items:center;flex-wrap:wrap;margin-bottom:var(--s6)}
.filter-search{position:relative;flex:1;min-width:240px;max-width:420px}
.filter-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--mute)}
.filter-search input{width:100%;padding:12px 14px 12px 42px;border:1px solid var(--line);border-radius:var(--r-md);font-family:var(--body);font-size:15px;background:#fff}
.filter-search input:focus{outline:none;border-color:var(--cyan)}
.filter-chips{display:flex;gap:8px;flex-wrap:wrap}
.fchip{font-size:13px;font-weight:600;color:var(--steel);background:#fff;border:1px solid var(--line);border-radius:100px;padding:8px 16px;cursor:pointer;transition:.12s}
.fchip:hover{border-color:var(--cyan);color:var(--navy)}
.fchip.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.cat.hide{display:none}
.no-results{display:none;color:var(--steel);padding:var(--s6) 0}

/* ---------- Why / value row ---------- */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s5)}
.why .n{font-family:var(--display);font-size:13px;font-weight:700;color:var(--orange-deep);letter-spacing:.02em;margin-bottom:var(--s3)}
.why h4{font-size:18px;color:var(--navy);margin-bottom:var(--s3)}
.why p{font-size:14.5px;color:var(--steel)}

/* ---------- Brands strip ---------- */
.brands{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2)}
.brands .inner{padding:var(--s6) 0;text-align:center}
.brands .lab{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);margin-bottom:var(--s5)}
.brand-row{display:flex;flex-wrap:wrap;gap:var(--s4) var(--s7);justify-content:center;align-items:center}
.brand-row span{font-family:var(--display);font-weight:700;font-size:17px;color:var(--steel);opacity:.85}

/* ---------- CTA band ---------- */
.ctaband{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.ctaband .blueprint{position:absolute;inset:0;opacity:.1;background-image:linear-gradient(rgba(124,196,217,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(124,196,217,.5) 1px,transparent 1px);background-size:28px 28px}
.ctaband .inner{position:relative;padding:var(--s8) 0;text-align:center}
.ctaband h2{color:#fff;font-size:clamp(24px,3.4vw,36px);margin-bottom:var(--s5)}
.ctaband .acts{display:flex;gap:var(--s4);justify-content:center;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-foot{background:var(--navy-900);color:#B9C6D2;padding:var(--s8) 0 var(--s6)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:var(--s6)}
.foot-grid h5{color:#fff;font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:var(--s4)}
.foot-grid ul{list-style:none}
.foot-grid li{margin-bottom:10px;font-size:14px}
.foot-grid a{color:#B9C6D2}
.foot-grid a:hover{color:#fff;text-decoration:none}
.foot-brand .wordmark{font-family:var(--display);font-weight:700;font-size:22px;color:#fff;margin-bottom:var(--s3)}
.foot-brand .wordmark b{color:var(--cyan)}
.foot-brand p{font-size:14px;max-width:34ch}
.foot-contact div{margin-bottom:8px;font-size:14px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:var(--s7);padding-top:var(--s5);display:flex;justify-content:space-between;gap:var(--s4);flex-wrap:wrap;font-size:13px;color:#7E8E9E}
.foot-bottom .tag{color:#9FB1C1}

/* ---------- Product page components ---------- */
.prod-hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.prod-hero .blueprint{position:absolute;inset:0;opacity:.12;background-image:linear-gradient(rgba(124,196,217,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(124,196,217,.5) 1px,transparent 1px);background-size:28px 28px}
.prod-hero .inner{position:relative;padding:var(--s8) 0;display:grid;grid-template-columns:1.3fr 1fr;gap:var(--s7);align-items:center}
.prod-hero .crumb{font-size:13px;color:#9FB1C1;margin-bottom:var(--s4)}
.prod-hero .crumb a{color:#9FB1C1}
.prod-hero h1{color:#fff;font-size:clamp(30px,4.4vw,48px);margin-bottom:var(--s4)}
.prod-hero .sub{color:#C6D2DD;font-size:18px;max-width:48ch}
.prod-hero .acts{margin-top:var(--s6);display:flex;gap:var(--s4);flex-wrap:wrap}
.prod-hero .shot{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:#fff}
.prod-hero .shot img{width:100%;height:100%;object-fit:contain;aspect-ratio:4/3;display:block;padding:6px}
.prod-hero .shot.contain img{object-fit:contain}

/* Product image gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s4);margin-top:var(--s5)}
.gimg{aspect-ratio:1/1;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;display:flex;align-items:center;justify-content:center;padding:14px;transition:.15s}
.gimg:hover{border-color:var(--cyan);box-shadow:var(--sh-1)}
.gimg img{max-width:100%;max-height:100%;object-fit:contain}
.gcap{grid-column:1/-1;font-size:13px;color:var(--mute);margin-top:-6px}
.acc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--s4);margin-top:var(--s5)}
.acc{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:.15s}
.acc:hover{border-color:var(--cyan);box-shadow:var(--sh-1)}
.acc .ai{aspect-ratio:1/1;background:#fff;display:flex;align-items:center;justify-content:center;padding:16px;border-bottom:1px solid var(--line-soft)}
.acc .ai img{max-width:100%;max-height:100%;object-fit:contain}
.acc .an{padding:12px 10px;font-size:13.5px;font-weight:600;color:var(--navy);text-align:center}
@media(max-width:640px){.gallery{grid-template-columns:repeat(2,1fr)}.acc-grid{grid-template-columns:repeat(2,1fr)}}
.page-section{padding:var(--s8) 0;border-bottom:1px solid var(--line)}
.page-section:last-of-type{border-bottom:none}
.page-section h2{font-size:clamp(24px,3.2vw,34px);margin-bottom:var(--s4)}
.rg-card .q{margin-top:var(--s4)}

.intro-lead{font-size:19px;color:var(--steel);max-width:70ch}

.range-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s4)}
.rg-group{grid-column:1/-1;font-family:var(--display);font-weight:700;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan-deep);margin-top:var(--s5)}
.rg-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:var(--s5);overflow:hidden;transition:.15s}
.rg-card:hover{border-color:var(--cyan);box-shadow:var(--sh-1)}
.rg-card .rgi{margin:calc(-1*var(--s5)) calc(-1*var(--s5)) var(--s4);aspect-ratio:16/10;background:#fff;display:flex;align-items:center;justify-content:center;padding:16px;border-bottom:1px solid var(--line-soft)}
.rg-card .rgi img{max-width:100%;max-height:100%;object-fit:contain}
.rg-card h4{font-size:16px;color:var(--navy);margin-bottom:6px}
.rg-card p{font-size:14px;color:var(--steel)}
.rg-card .q{margin-top:var(--s4);font-size:13px;font-weight:600;color:var(--orange-deep)}

.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin:var(--s4) 0}
.chip{font-family:var(--display);font-weight:600;font-size:13px;color:var(--navy);background:var(--cyan-tint);border:1px solid #CDE9F0;border-radius:100px;padding:6px 14px}

.spec-table{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.spec-table th{background:var(--navy);color:#fff;text-align:left;padding:12px 14px;font-size:12px;letter-spacing:.04em;text-transform:uppercase;font-weight:600}
.spec-table td{padding:11px 14px;border-top:1px solid var(--line-soft);color:var(--ink)}
.spec-table tr:nth-child(even) td{background:var(--paper-2)}
.table-wrap{overflow-x:auto}

.why-list{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s4)}
.why-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:var(--s5);border-top:2px solid var(--orange)}
.why-item b{display:block;color:var(--navy);font-size:16px;margin-bottom:6px}
.why-item p{font-size:14px;color:var(--steel)}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .cat-grid,.range-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .prod-hero .inner{grid-template-columns:1fr}
  .prod-hero .shot{order:-1;max-width:420px}
}
@media(max-width:640px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:flex-start;background:#fff;border-bottom:1px solid var(--line);padding:var(--s4) var(--s5);gap:var(--s4)}
  .nav-toggle{display:block}
  .has-drop{height:auto;display:block}
  .has-drop .caret{display:none}
  .drop{display:none}
  .cat-grid,.range-grid,.sol-grid,.why-grid,.why-list,.foot-grid{grid-template-columns:1fr}
  .reqband .inner{flex-direction:column;align-items:flex-start}
  .section{padding:var(--s8) 0}
}