/* Steel Impex India — responsive industrial B2B website */
:root{--ink:#142b3a;--ink2:#1d3d4e;--steel:#476477;--copper:#c77a4b;--paper:#f4f3ef;--white:#fff;--muted:#6e7c83;--line:#dce1e2;--shadow:0 18px 50px rgba(13,37,51,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);font-family:"DM Sans",Arial,sans-serif;font-size:16px;line-height:1.65;background:var(--paper)}h1,h2,h3,h4{font-family:Manrope,Arial,sans-serif;line-height:1.13;letter-spacing:-.035em;margin:0 0 18px}h1{font-size:clamp(2.8rem,6vw,5.6rem);font-weight:700}h2{font-size:clamp(2rem,4vw,3.5rem);font-weight:700}h3{font-size:1.35rem}p{margin:0 0 18px;color:var(--muted)}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.container{width:min(1160px,calc(100% - 48px));margin-inline:auto}.topbar{background:#0c202d;color:#d5e0e5;font-size:12px;letter-spacing:.02em}.topbar-inner{display:flex;justify-content:space-between;gap:20px;padding:8px 0}.topbar a{color:#fff}.topbar-sep{padding:0 12px;color:#607683}.site-header{background:rgba(255,255,255,.97);border-bottom:1px solid #e7e9e7;position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:84px;gap:28px}.brand{display:inline-flex;align-items:center;gap:12px;min-width:220px}.brand-mark{display:grid;place-items:center;width:44px;height:44px;background:var(--ink);color:#fff;font-family:Manrope;font-weight:800;letter-spacing:-.08em;border-radius:3px;font-size:19px;border-bottom:3px solid var(--copper)}.brand-name{font:800 15px/1.15 Manrope;letter-spacing:.02em}.brand-name b{color:var(--copper)}.brand-name small{display:block;font:600 8px/1.6 "DM Sans";letter-spacing:.13em;color:#70818a;margin-top:4px}.main-nav{display:flex;align-items:center;gap:27px;font-size:13px;font-weight:600}.main-nav>a:not(.nav-cta){color:#4c606b;transition:color .2s}.main-nav>a:hover,.main-nav>a.active{color:var(--copper)}.nav-cta{background:var(--ink);color:#fff;padding:13px 17px;border-radius:2px;white-space:nowrap}.nav-cta span,.btn span{margin-left:10px;color:#e3a47f}.menu-toggle{display:none;border:0;background:transparent;padding:8px}.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px}
.hero{min-height:610px;position:relative;overflow:hidden;display:flex;align-items:center;background:#102938 url('https://images.unsplash.com/photo-1567789884554-0b844b597180?auto=format&fit=crop&w=2000&q=85') center/cover no-repeat;color:#fff}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,28,41,.97) 0%,rgba(12,34,48,.88) 48%,rgba(12,34,48,.28) 100%)}.hero-content{position:relative;padding:90px 0;z-index:1}.eyebrow{display:flex;align-items:center;gap:11px;color:#d4a080;font-size:10px;font-weight:700;letter-spacing:.19em;margin-bottom:25px}.eyebrow-line{display:inline-block;width:28px;height:2px;background:var(--copper)}.eyebrow.dark{color:#697c85}.hero h1{max-width:790px;margin-bottom:25px}.hero h1 em,.page-hero h1 em,.dark-section h2 em{font-style:normal;color:#dba17d}.hero-content>p{color:#d3dfe4;font-size:18px;max-width:600px;line-height:1.75}.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:15px 21px;border:1px solid transparent;border-radius:2px;font-size:12px;font-weight:700;letter-spacing:.02em;cursor:pointer;transition:transform .2s,background .2s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--copper);color:#fff}.btn-primary:hover{background:#ad6239}.btn-outline{border-color:rgba(255,255,255,.48);color:#fff}.btn-dark{background:var(--ink);color:#fff}.btn-full{width:100%}.hero-note{margin-top:34px;color:#c1cfd5;font-size:11px}.pulse-dot{display:inline-block;width:7px;height:7px;background:#83b5a5;border-radius:50%;margin-right:9px}.hero-side-label{position:absolute;right:22px;bottom:32px;writing-mode:vertical-rl;letter-spacing:.15em;font-size:9px;color:#d5e0e5}.hero-side-label span{color:#dba17d}.trust-strip{background:#fff;border-bottom:1px solid var(--line)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:26px 0}.trust-grid>div{padding:4px 25px;border-right:1px solid var(--line)}.trust-grid>div:first-child{padding-left:0}.trust-grid>div:last-child{border:0}.trust-grid strong{display:block;font:700 20px Manrope;color:var(--ink)}.trust-grid span{font-size:11px;color:#78878d}
.section{padding:100px 0}.section-light{background:var(--paper)}.section-heading{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end;margin-bottom:45px}.section-heading>p{max-width:440px;margin-bottom:7px}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.product-card{position:relative;display:flex;flex-direction:column;min-height:265px;padding:25px 23px 22px;background:#fff;border:1px solid #e3e5e2;transition:transform .2s,border .2s,box-shadow .2s}.product-card:hover{transform:translateY(-4px);border-color:#c98b66;box-shadow:var(--shadow)}.product-number{position:absolute;top:21px;right:22px;color:#b0babd;font-size:10px;font-weight:700}.product-symbol{display:grid;place-items:center;width:46px;height:46px;background:#f4eee8;color:var(--copper);font-size:25px;margin-bottom:25px}.product-card h3{font-size:18px;margin-bottom:10px}.product-card p{font-size:12px;line-height:1.7;margin-bottom:22px}.card-link{margin-top:auto;border-top:1px solid #e8e9e7;padding-top:14px;font-size:11px;font-weight:700}.card-link b{float:right;color:var(--copper)}.center-action{text-align:center;margin-top:35px}.dark-section{background:var(--ink);color:#fff}.split-section{display:grid;grid-template-columns:1fr 1fr;gap:100px}.dark-section h2{font-size:clamp(2.4rem,4.6vw,4rem)}.large-copy{font-size:18px;color:#d2dde2;line-height:1.7}.check-list{margin-top:30px;border-top:1px solid #35505f}.check-list>div{padding:15px 0;border-bottom:1px solid #35505f;font-size:13px;color:#e0e7e9}.check-list span{color:#dba17d;margin-right:18px;font-size:10px}.quote-band{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:55px;background:#fff;border:1px solid #e0e4e3}.quote-band h2{margin-bottom:10px}.quote-band p{margin:0}.page-hero{background:var(--ink);color:#fff;padding:100px 0 95px;position:relative;overflow:hidden}.page-hero:after{content:"";position:absolute;right:-60px;top:-160px;width:470px;height:470px;border:1px solid rgba(255,255,255,.08);border-radius:50%;box-shadow:0 0 0 55px rgba(255,255,255,.025),0 0 0 110px rgba(255,255,255,.02)}.page-hero .container{position:relative;z-index:1}.page-hero h1{font-size:clamp(2.6rem,5vw,4.7rem)}.page-hero p{color:#cbd7dc;max-width:640px;font-size:17px}.page-hero.compact{padding:70px 0 65px}.about-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}.prose p{font-size:16px;line-height:1.85}.note-box{padding:18px 20px;border-left:3px solid var(--copper);background:#ebe9e2;color:#5d6d73;font-size:12px;line-height:1.7;margin:25px 0}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:55px}.steps-grid>div{border-top:1px solid #426071;padding-top:23px}.steps-grid b{font-size:11px;color:#dba17d}.steps-grid h3{margin-top:22px}.steps-grid p{color:#b9c9d0;font-size:13px}.catalog-intro{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:35px}.catalog-intro h2{font-size:2.2rem;margin-bottom:8px}.catalog-intro p{margin:0}.catalog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.catalog-card{background:#fff;border:1px solid #e0e4e3;padding:27px;scroll-margin-top:110px}.catalog-top{display:flex;justify-content:space-between;color:#9aa7aa;font-size:11px;font-weight:700}.mini-arrow{color:var(--copper);font-size:20px}.catalog-card h3{font-size:24px;margin:18px 0 10px}.catalog-card>p{font-size:13px}.catalog-detail{border-top:1px solid #e8e9e6;padding:14px 0 0;margin-top:14px}.catalog-detail b{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:#526772}.catalog-detail p{font-size:12px;line-height:1.7;margin:7px 0 0;overflow-wrap:anywhere}.text-link{display:inline-flex;gap:12px;align-items:center;margin-top:18px;font-size:12px;font-weight:700;color:var(--ink)}.text-link span{color:var(--copper)}.product-detail-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:70px}.detail-block{padding:0 0 30px;margin-bottom:28px;border-bottom:1px solid var(--line)}.detail-label{display:block;color:var(--copper);font-size:10px;letter-spacing:.16em;font-weight:700;margin-bottom:16px}.detail-block h2{font-size:2.3rem}.detail-block h3{font-size:1.3rem}.detail-block p{line-height:1.85}.enquiry-aside{align-self:start;background:#fff;padding:30px;border:1px solid var(--line);box-shadow:var(--shadow)}.enquiry-aside h3{font-size:22px}.enquiry-aside p{font-size:13px}.aside-contact{border-top:1px solid var(--line);padding-top:20px;margin-top:22px}.aside-contact a{font-weight:700;color:var(--copper)}.contact-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}.contact-layout h2{font-size:2.5rem}.contact-item{padding:19px 0;border-bottom:1px solid var(--line)}.contact-item>span{font-size:10px;letter-spacing:.16em;color:var(--copper);font-weight:700}.contact-item p{margin:7px 0 0;line-height:1.8}.contact-item a{color:var(--ink)}.form-panel{background:#fff;border:1px solid #e0e4e3;padding:32px}.form-panel h2{font-size:1.8rem;margin-bottom:9px}.form-panel>p{font-size:13px}.form-panel form>label,.form-row label{display:flex;flex-direction:column;gap:7px;font-size:11px;font-weight:700;color:#435965;margin-bottom:17px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-panel input:not([type=checkbox]),.form-panel textarea,.form-panel select{width:100%;border:1px solid #d9dfdf;border-radius:2px;padding:12px 13px;background:#fbfbf9;color:var(--ink);outline:none;font-size:13px;font-weight:400}.form-panel input:focus,.form-panel textarea:focus,.form-panel select:focus{border-color:var(--copper);box-shadow:0 0 0 2px #c77a4b1a}.form-panel textarea{resize:vertical}.consent{display:flex!important;flex-direction:row!important;align-items:flex-start;gap:10px!important;font-weight:400!important;line-height:1.5}.consent input{margin-top:3px;accent-color:var(--copper)}.form-small{font-size:10px!important;margin:13px 0 0!important}.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.quote-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:75px}.quote-guidance h2{font-size:2rem}.guidance-list{list-style:none;padding:0;margin:28px 0}.guidance-list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}.guidance-list li:before{content:"↗";color:var(--copper);margin-right:12px}.status-panel{max-width:720px;margin:30px auto;text-align:center;background:#fff;padding:70px 35px;border:1px solid var(--line)}.status-panel h1{font-size:clamp(2rem,4vw,3.3rem)}.status-panel p{max-width:550px;margin:0 auto 25px}.success-mark{display:grid;place-items:center;width:48px;height:48px;background:#e0eee7;color:#2e7759;border-radius:50%;font-size:24px;margin:0 auto 25px}
.footer{background:#0c202d;color:#fff;padding:65px 0 0}.footer-grid{display:grid;grid-template-columns:1.5fr .8fr 1fr 1.3fr;gap:45px;padding-bottom:55px}.brand-light .brand-mark{background:#fff;color:var(--ink)}.brand-light .brand-name{color:#fff}.brand-light .brand-name small{color:#91a5af}.footer-about p{font-size:12px;color:#9fb1ba;max-width:300px;margin-top:23px}.footer h3{font-size:12px;letter-spacing:.08em;margin:6px 0 22px}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;align-items:flex-start}.footer-grid>div>a:not(.brand){font-size:12px;color:#aebdc4;margin-bottom:11px}.footer-grid>div>a:hover{color:#e5a57f}.footer-grid>div>p{font-size:12px;color:#aebdc4;line-height:1.8}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #29404c;padding:20px 0;font-size:10px;color:#81959f}.whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:10;display:grid;place-items:center;width:49px;height:49px;border-radius:50%;background:#238b62;color:white;font-weight:800;font-size:12px;box-shadow:0 5px 18px #0002}
@media(max-width:1000px){.main-nav{gap:15px}.brand{min-width:195px}.brand-name{font-size:13px}.product-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.split-section{gap:50px}.about-layout,.contact-layout{gap:45px}.quote-layout{gap:35px}}
@media(max-width:760px){.container{width:min(100% - 34px,600px)}.topbar-inner{flex-direction:column;gap:2px}.topbar-sep{padding:0 7px}.nav-wrap{min-height:72px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:18px 22px 25px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0}.main-nav.is-open{display:flex}.main-nav>a{padding:12px 0}.main-nav .nav-cta{text-align:center;margin-top:8px;padding:14px}.hero{min-height:570px;background-position:58% center}.hero-overlay{background:linear-gradient(90deg,rgba(9,28,41,.96),rgba(9,28,41,.75))}.hero-content{padding:75px 0}.hero-content>p{font-size:16px}.hero-side-label{display:none}.trust-grid{grid-template-columns:repeat(2,1fr);row-gap:20px}.trust-grid>div{padding:4px 15px}.trust-grid>div:nth-child(2){border-right:0}.trust-grid>div:nth-child(3){padding-left:0}.section{padding:70px 0}.section-heading{grid-template-columns:1fr;gap:15px}.section-heading>p{max-width:none}.product-grid{gap:10px}.product-card{padding:20px 16px;min-height:270px}.product-card h3{font-size:16px}.product-card p{font-size:11px}.product-symbol{width:40px;height:40px;margin-bottom:20px}.split-section,.about-layout,.contact-layout,.quote-layout,.product-detail-layout{grid-template-columns:1fr;gap:38px}.quote-band{padding:28px;align-items:flex-start;flex-direction:column}.page-hero{padding:75px 0}.page-hero.compact{padding:55px 0}.catalog-grid{grid-template-columns:1fr}.catalog-intro{align-items:flex-start;flex-direction:column}.steps-grid{grid-template-columns:1fr;gap:12px}.steps-grid>div{padding:18px 0}.steps-grid h3{margin-top:10px}.form-panel{padding:23px 18px}.form-row{grid-template-columns:1fr;gap:0}.footer-grid{grid-template-columns:1fr 1fr;gap:35px 25px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:6px}.status-panel{padding:50px 20px}.hero-actions .btn{width:100%}}
@media(max-width:400px){.brand{min-width:0;gap:8px}.brand-mark{width:39px;height:39px}.brand-name{font-size:11px}.brand-name small{font-size:7px}.product-grid{grid-template-columns:1fr}.product-card{min-height:225px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}


/* Steel Impex India — enhanced catalogue experience */
:root{--ink:#10283f;--ink2:#173b56;--steel:#58778b;--copper:#d27a43;--paper:#f5f7f9;--white:#fff;--muted:#637382;--line:#dbe3e9;--shadow:0 20px 55px rgba(16,40,63,.11);--accent-blue:#167b9e;--soft-blue:#eaf3f7}
body{font-family:"DM Sans",Arial,sans-serif;letter-spacing:.002em}h1,h2,h3,h4{font-family:"Space Grotesk",Manrope,Arial,sans-serif;letter-spacing:-.045em}h1{font-weight:700}h2{font-weight:700}strong,b{font-weight:700}.brand-name,.eyebrow,.main-nav,.btn,.catalog-detail>b,.detail-label,.footer h3,.tool-kicker,.grade-card-top,.service-index{letter-spacing:.055em}.site-header{box-shadow:0 6px 25px rgba(16,40,63,.045)}.brand-mark{border-radius:8px;background:linear-gradient(145deg,#10283f,#1a536f);border-bottom:3px solid var(--copper)}.nav-cta{border-radius:5px;background:var(--copper);box-shadow:0 8px 18px rgba(210,122,67,.18)}.nav-cta:hover{background:#b85e2e}.main-nav{gap:20px;font-size:11px}.main-nav>a:not(.nav-cta),.nav-dropdown>a{padding:12px 0}.nav-dropdown{position:relative}.nav-dropdown>a{display:flex;align-items:center;gap:6px;color:#4c606b}.nav-chevron{font-size:16px;color:var(--copper)}.dropdown-panel{display:none;position:absolute;top:100%;left:-20px;width:310px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:12px;border-radius:8px;z-index:40}.dropdown-panel-wide{width:330px}.nav-dropdown:hover .dropdown-panel,.nav-dropdown:focus-within .dropdown-panel{display:block}.dropdown-heading{font-size:10px;font-weight:800;letter-spacing:.14em;color:var(--copper);padding:12px 12px 8px}.dropdown-panel a{display:block;padding:11px 12px;border-radius:5px;font-size:12px;font-weight:700;color:var(--ink)}.dropdown-panel a:hover{background:var(--soft-blue);color:var(--accent-blue)}.dropdown-panel small{display:block;font-size:10px;font-weight:500;color:var(--muted);margin-top:3px}.dropdown-panel .dropdown-all{border-top:1px solid var(--line);margin-top:6px;border-radius:0;color:var(--accent-blue);font-size:10px}.hero{background-position:center 48%;min-height:640px}.hero-overlay{background:linear-gradient(90deg,rgba(8,27,43,.97) 0%,rgba(10,37,57,.89) 52%,rgba(10,37,57,.22) 100%)}.hero h1 em,.page-hero h1 em,.dark-section h2 em{color:#f2ad79}.eyebrow{font-size:10px}.btn{border-radius:5px;min-height:48px}.btn-primary{background:linear-gradient(135deg,#d7834c,#bd6334);box-shadow:0 8px 20px rgba(189,99,52,.15)}.btn-dark{border-radius:5px}.btn-light-outline{border:1px solid #c8d8e1;color:#fff;background:rgba(255,255,255,.06);padding:15px 21px;border-radius:5px;font-size:12px;font-weight:700}.product-card{border-radius:9px;box-shadow:0 3px 14px rgba(16,40,63,.025)}.product-card:hover{border-color:#d27a43}.product-symbol{border-radius:9px;background:linear-gradient(145deg,#eef5f8,#e0edf2);color:#167b9e}.product-card h3{font-size:17px}.product-card p{font-size:12px;line-height:1.7}.section-heading h2{line-height:1.12}.page-hero{background:radial-gradient(circle at 80% 20%,rgba(36,112,145,.38),transparent 33%),linear-gradient(120deg,#10283f,#173e58);color:#fff}.page-hero p{color:#c7d6df;max-width:720px}.page-hero h1{font-size:clamp(2.5rem,5vw,4.4rem)}.page-hero .eyebrow{color:#f0b18a}.catalog-intro h2{font-size:clamp(2rem,3vw,2.7rem)}.catalog-card{border-radius:10px;padding:27px;background:#fff;box-shadow:0 5px 20px rgba(16,40,63,.035)}.catalog-card h3{font-size:21px}.catalog-card-rich{display:flex;flex-direction:column;min-height:100%}.catalog-top{font-size:10px;letter-spacing:.08em}.catalog-detail{margin-top:17px}.catalog-detail>b{font-size:10px;color:var(--accent-blue)}.catalog-detail p{font-size:12px;line-height:1.75;margin:7px 0 0}.availability-note{display:flex;gap:8px;align-items:flex-start;margin:18px 0;padding:12px;background:#f0f6f8;border-radius:6px;color:#4e6572;font-size:11px;line-height:1.65}.availability-dot{width:7px;height:7px;flex:0 0 7px;background:#29966d;border-radius:50%;margin-top:6px}.catalog-search{display:grid;grid-template-columns:1fr minmax(260px,2fr) auto;gap:14px;align-items:center;margin:26px 0 28px;padding:17px 20px;background:#fff;border:1px solid var(--line);border-radius:9px}.catalog-search label{font-size:10px;font-weight:800;letter-spacing:.1em;color:var(--ink)}.catalog-search input{width:100%;border:1px solid #d4e0e6;border-radius:5px;padding:12px 14px;background:#fbfdfe;outline:none}.catalog-search input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #167b9e1c}.catalog-search>span{font-size:10px;font-weight:700;letter-spacing:.06em;color:var(--muted);white-space:nowrap}.catalog-card[hidden],.grade-card[hidden]{display:none!important}.empty-state{padding:35px;text-align:center;border:1px dashed var(--line);border-radius:8px}.empty-state a{color:var(--accent-blue);font-weight:700}.note-box{border-left:4px solid var(--copper);border-radius:0 7px 7px 0;background:#edf3f6;padding:19px 22px;color:#506371;font-size:12px;line-height:1.8}.technical-section{background:#eaf1f5}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tool-card{display:flex;flex-direction:column;align-items:flex-start;padding:29px;background:#fff;border:1px solid #dce5eb;border-radius:10px;min-height:260px;transition:transform .2s,box-shadow .2s}.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.tool-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:9px;background:#e5f1f5;color:var(--accent-blue);font:700 27px "Space Grotesk";margin-bottom:25px}.tool-kicker{font-size:9px;font-weight:800;color:var(--copper);margin-bottom:10px}.tool-card h3{font-size:21px}.tool-card p{font-size:13px}.tool-card .text-link{margin-top:auto}.service-preview{display:grid;grid-template-columns:.9fr 1.1fr;gap:75px;align-items:center}.service-preview h2{font-size:clamp(2.1rem,3.5vw,3rem)}.service-preview-list{border-top:1px solid var(--line)}.service-preview-list>a{display:grid;grid-template-columns:35px 1fr 20px;align-items:center;gap:14px;padding:20px 0;border-bottom:1px solid var(--line)}.service-preview-list>a>span:first-child{font:700 12px "Space Grotesk";color:var(--copper)}.service-preview-list b{display:block;font-size:12px;letter-spacing:.07em}.service-preview-list small{display:block;font-size:11px;color:var(--muted);margin-top:5px}.service-preview-list>a>span:last-child{color:var(--accent-blue)}.cta-actions{display:flex;flex-wrap:wrap;gap:10px}.section-bottom-cta{padding-top:25px}.grade-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.grade-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px;box-shadow:0 5px 20px rgba(16,40,63,.035)}.grade-card-top{display:flex;justify-content:space-between;font-size:10px;color:var(--copper);font-weight:800}.grade-card h3{margin-top:18px;font-size:21px}.grade-card p{font-size:12px}.grade-chips{display:flex;flex-wrap:wrap;gap:7px;margin:20px 0 23px}.grade-chips span{display:inline-block;padding:6px 9px;background:#edf4f7;color:#31576c;border:1px solid #dce9ef;border-radius:4px;font-size:10px;font-weight:700}.service-detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.service-detail-card{position:relative;padding:28px;background:#fff;border:1px solid var(--line);border-radius:10px}.service-index{font-size:10px;color:var(--copper);font-weight:800}.service-graphic{display:grid;place-items:center;width:58px;height:58px;background:var(--soft-blue);color:var(--accent-blue);border-radius:10px;font-size:32px;margin:20px 0}.service-detail-card h3{font-size:18px}.service-detail-card p,.service-detail-card li{font-size:12px;line-height:1.75}.service-detail-card ul{padding-left:18px;color:#4e6472}.service-detail-card li{margin:8px 0}.service-fineprint{font-size:10px!important;color:#75838b!important;border-top:1px solid var(--line);padding-top:12px}.footer{background:#0a1e2e}.footer h3{font-size:10px}.footer-contact-heading{margin-top:16px!important}.footer-whatsapp{display:inline-block;margin-top:8px;padding:11px 13px;background:#173e50;border:1px solid #315b6c;border-radius:5px;color:#d9f4e5!important;font-size:10px!important;font-weight:800;letter-spacing:.06em}.whatsapp-float{width:58px;height:58px;right:22px;bottom:22px;background:#20a66a;box-shadow:0 9px 28px rgba(12,70,47,.25);padding:15px}.whatsapp-float svg{width:100%;height:100%;fill:#fff}.footer-bottom{font-size:9px;letter-spacing:.025em}
@media(max-width:1100px){.main-nav{gap:12px;font-size:10px}.nav-wrap{gap:15px}.brand{min-width:195px}.dropdown-panel{left:auto;right:-20px}}
@media(max-width:900px){.main-nav{gap:10px}.main-nav>a,.nav-dropdown>a{font-size:9px}.brand-name{font-size:12px}.service-detail-grid{grid-template-columns:1fr}.tool-grid{grid-template-columns:1fr 1fr}.service-preview{gap:35px}}
@media(max-width:760px){.main-nav{font-size:12px}.main-nav>a,.nav-dropdown>a{font-size:12px}.nav-dropdown{width:100%}.nav-dropdown>a{padding:12px 0}.dropdown-panel,.dropdown-panel-wide{display:none;position:static;width:100%;box-shadow:none;border:0;border-left:2px solid var(--copper);border-radius:0;margin:0 0 8px 8px;padding:4px 8px}.nav-dropdown:hover .dropdown-panel,.nav-dropdown:focus-within .dropdown-panel{display:block}.catalog-search{grid-template-columns:1fr;gap:9px;padding:15px}.catalog-search>span{white-space:normal}.tool-grid,.grade-grid{grid-template-columns:1fr}.service-preview{grid-template-columns:1fr;gap:28px}.service-detail-grid{grid-template-columns:1fr}.cta-actions{width:100%}.cta-actions .btn{width:100%}.hero{min-height:600px}.page-hero h1{font-size:clamp(2.3rem,9vw,3.5rem)}}

/* Calculator, chart and technical reference components */
.tool-intro{max-width:760px;margin:0 0 28px}.tool-intro h2{font-size:clamp(2rem,3.5vw,2.8rem);margin:10px 0 15px}.tool-intro p{font-size:13px}.tool-panel{padding:30px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 35px rgba(16,40,63,.055)}.calc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.calc-grid label,.form-panel label{display:flex;flex-direction:column;gap:8px;font-size:11px;font-weight:700;color:var(--ink)}.calc-grid input,.calc-grid select{width:100%;min-width:0;border:1px solid #d6e0e6;background:#fbfdfe;padding:12px 13px;border-radius:5px;color:var(--ink);outline:none}.calc-grid input:focus,.calc-grid select:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #167b9e1c}.tool-actions{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.tool-result{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0 12px}.tool-result>div{padding:19px;background:#10283f;border-radius:7px;color:#fff}.tool-result span{display:block;color:#b8ccd7;font-size:9px;font-weight:800;letter-spacing:.1em;margin-bottom:9px}.tool-result strong{font:700 clamp(1.2rem,2.3vw,1.8rem) "Space Grotesk";color:#fff;overflow-wrap:anywhere}.tool-note{font-size:11px;color:#647784;margin:12px 0 0}.chart-tools{display:flex;align-items:center;gap:14px;margin:24px 0 15px}.chart-tools input{flex:1;min-width:150px;border:1px solid #d6e0e6;background:#fff;padding:13px 15px;border-radius:5px;outline:none}.chart-tools input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #167b9e1c}.chart-tools span{font-size:10px;font-weight:800;letter-spacing:.07em;color:var(--muted);white-space:nowrap}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 8px 24px rgba(16,40,63,.04)}.pipe-table{border-collapse:separate;border-spacing:0;width:100%;min-width:1050px;font-size:11px;font-variant-numeric:tabular-nums}.pipe-table th{background:#10283f;color:#fff;padding:13px 10px;text-align:center;border-right:1px solid #2b465c;border-bottom:1px solid #2b465c;white-space:nowrap;font-size:10px;letter-spacing:.04em}.pipe-table thead tr:nth-child(2) th{background:#173b56}.pipe-table th small{color:#b9d0dc;font-size:9px}.pipe-table td{padding:11px 10px;text-align:center;border-right:1px solid #e8edf0;border-bottom:1px solid #e8edf0;white-space:nowrap}.pipe-table tbody tr:nth-child(even){background:#f4f8fa}.pipe-table tbody tr:hover{background:#eaf3f7}.pipe-table td:first-child{font-weight:800;color:var(--ink)}.pipe-table tr[hidden]{display:none}.tool-note + .center-action{margin-top:25px}.calculator-panel .tool-note{min-height:18px}.form-panel{border-radius:10px}.service-detail-card .text-link,.grade-card .text-link{font-size:10px}.footer-whatsapp:hover{background:#1c5c55}.center-action{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.center-action .btn{margin-top:12px}
@media(max-width:760px){.calc-grid{grid-template-columns:1fr 1fr}.tool-panel{padding:18px}.tool-result{grid-template-columns:1fr}.tool-result>div{padding:15px}.chart-tools{align-items:stretch;flex-direction:column}.chart-tools .btn{width:100%}.chart-tools span{white-space:normal}.pipe-table{min-width:1000px}}
@media(max-width:430px){.calc-grid{grid-template-columns:1fr}.tool-actions .btn{width:100%}}
@media print{.topbar,.site-header,.footer,.whatsapp-float,.page-hero .btn,.chart-tools button,.center-action{display:none!important}.section{padding:10px 0}.container{width:100%;max-width:none}.pipe-table{min-width:0;font-size:8px}.pipe-table th,.pipe-table td{padding:4px}.table-wrap{overflow:visible;box-shadow:none}}

.brand-mark{display:grid;place-items:center;width:48px;height:48px;overflow:hidden;background:#fff;border:1px solid #dfe8ed;border-bottom:3px solid var(--copper);border-radius:8px;padding:4px;flex:0 0 48px}.brand-mark img{display:block;width:100%;height:100%;object-fit:contain}.brand-light .brand-mark{background:#fff;border-color:#dce5eb;border-bottom-color:var(--copper)}

.resources-preview{background:#fff}.resource-preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.resource-preview-grid>a{padding:25px;background:#f5f8fa;border:1px solid var(--line);border-radius:9px;transition:transform .2s,box-shadow .2s}.resource-preview-grid>a:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.resource-preview-grid span,.resource-number{display:block;font-size:9px;font-weight:800;letter-spacing:.1em;color:var(--copper);margin-bottom:15px}.resource-preview-grid h3{font-size:19px}.resource-preview-grid p{font-size:12px}.resource-preview-grid b{font-size:10px;letter-spacing:.07em;color:var(--accent-blue)}.resource-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:50px;align-items:start}.resource-toc{position:sticky;top:115px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px;display:flex;flex-direction:column;gap:0}.resource-toc a{padding:12px 0;border-bottom:1px solid #edf1f3;font-size:12px;font-weight:700;color:#425969}.resource-toc a:hover{color:var(--accent-blue)}.resource-content{min-width:0}.resource-article{padding:0 0 35px;margin:0 0 35px;border-bottom:1px solid var(--line);scroll-margin-top:120px}.resource-article h2{font-size:clamp(1.8rem,3vw,2.6rem);margin-bottom:16px}.resource-article p,.resource-article li{font-size:13px;line-height:1.85}.resource-checklist{padding-left:22px;margin:20px 0 25px;color:#536775}.resource-checklist li{padding:4px 0}.resource-action-row{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.resource-fineprint{font-size:11px!important;color:#75838b!important}.resource-article details{border:1px solid var(--line);border-radius:6px;background:#fff;margin:9px 0;padding:0 16px}.resource-article summary{cursor:pointer;padding:15px 0;font-size:13px;font-weight:700;color:var(--ink)}.resource-article details p{margin:0;padding:0 0 15px}.brand-mark{font:800 19px "Space Grotesk";letter-spacing:-.09em;color:#1479a4;background:#fff}
@media(max-width:760px){.resource-preview-grid{grid-template-columns:1fr}.resource-layout{grid-template-columns:1fr;gap:25px}.resource-toc{position:static}.resource-action-row .btn{width:100%}}


/* Product-grade landing pages: focused internal links and scannable catalogue cards */
.specific-products-section{margin-top:64px;padding-top:54px;border-top:1px solid #dfe5e5}
.specific-products-section .section-heading{display:grid;grid-template-columns:1fr .7fr;align-items:end;gap:30px;margin-bottom:25px}
.specific-products-section .section-heading h2{font-size:clamp(1.8rem,3vw,2.5rem);margin-bottom:0}
.specific-products-section .section-heading p{margin:0;font-size:13px;line-height:1.8}
.specific-products-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.specific-product-card{display:flex;flex-direction:column;min-width:0;padding:23px;background:#fff;border:1px solid #dfe5e5;transition:transform .2s,border-color .2s,box-shadow .2s}
.specific-product-card:hover,.specific-product-card:focus-visible{transform:translateY(-3px);border-color:var(--copper);box-shadow:var(--shadow)}
.specific-product-category{font-size:9px;letter-spacing:.1em;font-weight:800;color:var(--copper);margin-bottom:13px}
.specific-product-card h3{font-size:17px;line-height:1.4;margin:0 0 10px}
.specific-product-card p{font-size:12px;line-height:1.75;color:#536775;margin:0 0 15px}
.specific-product-card .text-link{margin-top:auto;padding-top:13px;border-top:1px solid #e8e9e7}
.related-product-section{margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.related-product-section h2{font-size:clamp(1.6rem,2.5vw,2.2rem);margin:12px 0 20px}
.related-product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.related-product-card{display:flex;flex-direction:column;gap:7px;padding:16px;background:#fff;border:1px solid var(--line);transition:border-color .2s}
.related-product-card:hover{border-color:var(--copper)}
.related-product-card strong{font-size:13px;line-height:1.5}
.related-product-card span{font-size:11px;color:#61737d}
@media(max-width:900px){.specific-products-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.specific-products-section .section-heading{grid-template-columns:1fr}}
@media(max-width:600px){.specific-products-grid,.related-product-grid{grid-template-columns:1fr}.specific-products-section{margin-top:42px;padding-top:35px}.specific-product-card{padding:20px}}


/* ===== Product directory, two-column menu and product data tables (added) ===== */
.dropdown-panel-cols{width:640px}
.nav-dropdown:hover .dropdown-panel-cols,.nav-dropdown:focus-within .dropdown-panel-cols{display:grid;grid-template-columns:1fr 1fr;column-gap:8px}
.dropdown-panel-cols .dropdown-col+.dropdown-col{border-left:1px solid var(--line);padding-left:8px}
.dropdown-panel-cols .dropdown-all{grid-column:1/-1}

.product-directory{margin-top:64px;padding-top:54px;border-top:1px solid #dfe5e5}
.product-directory .section-heading{display:grid;grid-template-columns:1fr .7fr;align-items:end;gap:30px;margin-bottom:28px}
.product-directory .section-heading h2{font-size:clamp(1.8rem,3vw,2.5rem);margin-bottom:0}
.product-directory .section-heading p{margin:0;font-size:13px;line-height:1.8}
.directory-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.directory-col{background:#fff;border:1px solid var(--line);border-top:3px solid var(--copper);padding:26px 26px 10px}
.directory-col-title{font-size:20px;margin:0 0 18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.directory-group{margin-bottom:20px}
.directory-group h4{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--copper);font-family:"DM Sans",Arial,sans-serif;font-weight:800;margin:0 0 9px}
.directory-group ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:2px 14px}
.directory-group a{display:block;padding:5px 0;font-size:13px;font-weight:600;color:var(--ink);border-bottom:1px dashed transparent}
.directory-group a:hover{color:var(--copper)}

.spec-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 8px 24px rgba(16,40,63,.04);margin:6px 0 4px}
.spec-table{border-collapse:separate;border-spacing:0;width:100%;font-size:13px;font-variant-numeric:tabular-nums}
.spec-table caption{text-align:left;font-weight:700;padding:0 0 10px}
.spec-table thead th{background:#10283f;color:#fff;padding:12px 14px;text-align:left;font-size:11px;letter-spacing:.03em;white-space:nowrap;border-right:1px solid #2b465c}
.spec-table thead th:last-child{border-right:0}
.spec-table td,.spec-table tbody th{padding:11px 14px;border-bottom:1px solid #e8edf0;text-align:left;vertical-align:top}
.spec-table tbody th{font-weight:700;color:var(--ink);white-space:nowrap}
.spec-table td{color:#40525e}
.spec-table tbody tr:nth-child(even){background:#f4f8fa}
.spec-table tbody tr:last-child td,.spec-table tbody tr:last-child th{border-bottom:0}
.spec-table a{color:var(--ink);font-weight:700}
.spec-table a:hover{color:var(--copper)}
.spec-kv tbody th{width:34%;white-space:normal;color:#536775;font-weight:600}
.spec-kv td{color:var(--ink)}
.spec-basis{font-size:12px;color:var(--muted);margin:10px 0 0}
.spec-list{margin:0;padding:0 0 0 18px;color:#40525e;line-height:1.9}
.detail-block .spec-wrap+p{margin-top:12px}

@media(max-width:1100px){.dropdown-panel-cols{width:560px}}
@media(max-width:900px){.directory-cols{grid-template-columns:1fr}.product-directory .section-heading{grid-template-columns:1fr}}
@media(max-width:760px){.dropdown-panel-cols{width:100%}.nav-dropdown:hover .dropdown-panel-cols,.nav-dropdown:focus-within .dropdown-panel-cols{grid-template-columns:1fr}.dropdown-panel-cols .dropdown-col+.dropdown-col{border-left:0;padding-left:0;border-top:1px solid var(--line);margin-top:6px}.directory-group ul{grid-template-columns:1fr}.directory-col{padding:20px 18px 6px}.spec-table{font-size:12px}}
.spec-table td{white-space:nowrap}.spec-kv td{white-space:normal}
.product-detail-layout>div{min-width:0}.spec-basis{margin-bottom:18px}

/* ===== Quick details, also-searched-as and buyer questions (SEO additions) ===== */
.quick-details{margin:0 0 34px;padding:24px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--copper);box-shadow:0 8px 24px rgba(16,40,63,.04)}
.quick-details h3{font-size:1.2rem;margin:0 0 14px}
.quick-details .spec-wrap{box-shadow:none;margin:0}
.also-known{font-size:12px;line-height:1.8;color:#536775;margin:14px 0 0}
.also-known b{color:var(--ink)}
.faq-list details{border-bottom:1px solid var(--line);background:#fff}
.faq-list details:first-child{border-top:1px solid var(--line)}
.faq-list summary{cursor:pointer;padding:15px 40px 15px 16px;font-weight:700;font-size:14px;color:var(--ink);position:relative;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:16px;top:11px;font-size:20px;color:var(--copper)}
.faq-list details[open] summary::after{content:"–"}
.faq-list details p{padding:0 16px 16px;margin:0;font-size:13px;line-height:1.8}
@media(max-width:760px){.quick-details{padding:18px 14px}}

/* Accessibility: small text meets WCAG AA contrast (4.5:1) and is at least 11-12px on phones.
   Buttons and backgrounds keep the brand copper; only small copper text uses the deeper shade. */
:root{--muted:#56656f;--copper-text:#a65829}
.brand-name b,.tool-kicker,.service-preview-list a>span,.resource-preview-grid a>span,.card-link b,.detail-label,.contact-item>span,.text-link span,.aside-contact a,.guidance-list li:before{color:var(--copper-text)}
.brand-name small{color:#56656f;font-size:10px}
.trust-grid span{color:#56656f;font-size:12px}
.eyebrow{font-size:11.5px}.eyebrow.dark{color:#56656f}
.product-number{color:#66757c;font-size:11px}
.hero-note,.card-link,.service-preview-list small{font-size:12px}
.tool-kicker,.resource-preview-grid span,.resource-number{font-size:11px}.resource-preview-grid b{font-size:12px}
.footer-bottom{font-size:12px}.footer h3{font-size:12px}.footer-grid>div>a:not(.brand){font-size:13px}
.service-preview-list>a>span:first-child{color:var(--copper-text)}
/* on dark backgrounds the lighter copper reads best (6.4:1 or better) */
.footer .brand-name b,.dark-section .text-link span,.page-hero .text-link span,.dark-section .card-link b{color:#e09a6e}
.quick-details h2{font-size:1.2rem;margin:0 0 14px}
.catalog-top{color:#66757c;font-size:11px}
.specific-product-category,.directory-group h4,.resource-number,.service-index{color:var(--copper-text)}
.directory-group h4{font-size:11px}
.resource-fineprint,.service-fineprint{color:#56656f}
.service-fineprint,.resource-fineprint{color:#56656f!important;font-size:12px!important}
.service-index{font-size:11px}