:root{--navy:#1F4E79;--navy2:#173A58;--steel:#5E7FA1;--steel2:#365A7A;--paper:#F7F7F4;--white:#fff;--ink:#1A1A1A;--muted:#65707A;--line:#D8E0E6;--soft:#EEF3F6;--soft2:#E6EDF2;--max:1240px;--header:74px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"DM Sans",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.55}body.menu-open,body.modal-open{overflow:hidden}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}svg,img{display:block;max-width:100%}.container{width:min(calc(100% - 48px),var(--max));margin:auto}h1,h2,h3,.brand-word{font-family:"Fraunces",Georgia,serif;letter-spacing:-.025em}h1{font-size:clamp(48px,6vw,76px);line-height:.96;color:var(--navy);margin:0}h2{font-size:clamp(34px,4vw,50px);line-height:1.02;color:var(--navy);margin:0 0 18px}.eyebrow{margin:0 0 16px;font-size:11px;text-transform:uppercase;letter-spacing:.17em;font-weight:700;color:var(--steel2)}.lead{font-size:18px;color:#46515A;max-width:760px}.muted{color:var(--muted)}.section{padding:94px 0}.section-soft{background:var(--soft)}
.site-header{position:sticky;top:0;z-index:1000;height:var(--header);background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:box-shadow .2s}.site-header.scrolled{box-shadow:0 7px 24px rgba(16,44,66,.09)}.header-inner{height:100%;display:flex;align-items:center;gap:32px}.brand{display:flex;align-items:flex-end;gap:10px;white-space:nowrap}.brand-word{font-size:25px;font-weight:700;line-height:1;color:var(--navy)}.brand-sub{font-size:10px;color:var(--steel2);font-weight:700;letter-spacing:.06em}.nav{display:flex;gap:28px;margin-left:auto;align-items:center}.nav a{font-size:14px;font-weight:600;position:relative;padding:7px 0}.nav a:after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:1px;background:var(--navy);transition:right .18s}.nav a:hover:after,.nav a.active:after{right:0}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--navy);padding:12px 20px;background:transparent;color:var(--navy);font-weight:700;font-size:14px;cursor:pointer;border-radius:0}.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:var(--navy2)}.btn-secondary:hover{background:var(--soft2)}.hamburger{display:none;margin-left:auto;border:0;background:none;width:42px;height:42px;padding:8px}.hamburger span{display:block;height:2px;background:var(--navy);margin:5px 0}.mobile-menu{display:none}
.hero{display:grid;grid-template-columns:58% 42%;min-height:640px;background:var(--paper)}.hero-left{display:flex;align-items:center;background-image:linear-gradient(rgba(31,78,121,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(31,78,121,.045) 1px,transparent 1px);background-size:20px 20px}.hero-inner{padding:78px 56px 78px max(24px,calc((100vw - var(--max))/2))}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.hero-trust{display:flex;flex-wrap:wrap;font-size:11px;text-transform:uppercase;letter-spacing:.07em;font-weight:700;color:#5B6570;margin-top:24px}.hero-trust span:not(:last-child):after{content:"|";margin:0 10px;color:var(--steel)}.hero-right{background:var(--navy);display:flex;align-items:center;justify-content:center;padding:34px;position:relative}.hero-right:before{content:"TECHNICAL / TBM CUTTERHEAD";position:absolute;top:24px;left:26px;color:rgba(255,255,255,.45);font-size:9px;letter-spacing:.16em}.tbm-svg{width:min(560px,95%)}.tbm-svg .l{fill:none;stroke:#E7EDF2;stroke-width:1.3}.tbm-svg .f{fill:none;stroke:rgba(231,237,242,.28);stroke-width:1}.tbm-svg .a{fill:none;stroke:#9CB5C8;stroke-width:1.2}.tbm-svg .d{fill:#9CB5C8}.tbm-svg text{fill:#BBD0DF;font:11px "DM Sans"}
.buyers-strip{background:var(--navy);color:white}.buyers-grid{display:grid;grid-template-columns:repeat(4,1fr)}.buyers-item{padding:22px;border-right:1px solid rgba(255,255,255,.15)}.buyers-item:first-child{padding-left:0}.buyers-item:last-child{border-right:0}.buyers-item strong{display:block;font-size:16px}.buyers-item span{font-size:12px;color:#C5D3DE}
.home-products-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}.catalogue-tools{display:grid;grid-template-columns:1fr 220px;gap:12px;margin-bottom:24px}.catalogue-tools input,.catalogue-tools select{height:48px;border:1px solid #BAC5CD;background:white;padding:0 14px;outline:none;border-radius:0}.catalogue-tools input:focus,.catalogue-tools select:focus{border-color:var(--navy);box-shadow:0 0 0 2px rgba(31,78,121,.1)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card{background:white;border:1px solid var(--line);border-left:3px solid var(--steel);padding:22px;min-height:275px;display:flex;flex-direction:column;transition:box-shadow .18s,border-color .18s}.product-card:hover{box-shadow:0 12px 28px rgba(20,51,75,.08);border-color:#B6C3CC}.product-code{font:12px monospace;color:var(--muted)}.product-card h3{font-family:"DM Sans";font-size:18px;line-height:1.35;margin:14px 0 8px}.product-card p{font-size:13px;color:var(--muted);margin:0 0 14px}.product-meta{display:flex;justify-content:space-between;gap:12px;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:#6C7780;border-top:1px solid var(--line);padding-top:12px;margin-top:auto}.product-price{font-size:21px;font-weight:700;color:#2B3B47;margin-top:13px}.product-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}.product-actions .btn{padding:10px 12px}.no-results{display:none;padding:35px;border:1px solid var(--line);background:white;color:var(--muted);text-align:center}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line)}.why-item{background:white;padding:25px}.why-item .n{font-family:"Fraunces";font-size:34px;color:var(--steel)}.why-item h3{font-family:"DM Sans";font-size:16px;margin:10px 0 5px}.why-item p{font-size:13px;color:var(--muted);margin:0}
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.industry{background:var(--navy);color:white;min-height:180px;padding:24px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}.industry:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:18px 18px}.industry h3{font-family:"DM Sans";font-size:17px;color:white;margin:0;position:relative}.industry span{font-size:12px;color:#BDCEDA;position:relative}
.client-panel{background:var(--navy);color:white;padding:56px}.client-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px}.client-panel h2{color:white}.client-quote{font-family:"Fraunces";font-size:34px;line-height:1.25}.client-details{border-left:1px solid #91AABD;padding-left:28px;display:grid;gap:14px}.client-details strong{display:block;font-size:11px;color:#B7CBD9;letter-spacing:.08em;text-transform:uppercase;margin-bottom:3px}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}.step{border-top:2px solid var(--steel);padding-top:16px}.step .n{font-family:"Fraunces";font-size:38px;color:var(--steel)}.step h3{font-family:"DM Sans";font-size:16px;margin:8px 0 4px}.step p{font-size:13px;color:var(--muted);margin:0}
.download-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.download-card{background:white;border:1px solid var(--line);padding:22px;min-height:170px;display:flex;flex-direction:column}.download-card .doc{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--steel2)}.download-card h3{font-family:"DM Sans";font-size:16px;margin:12px 0 4px}.download-card p{font-size:13px;color:var(--muted);margin:0}.download-card .btn{margin-top:auto}
.page-hero{padding:76px 0 60px;background-image:linear-gradient(rgba(31,78,121,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(31,78,121,.045) 1px,transparent 1px);background-size:20px 20px;border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(44px,5vw,66px);max-width:860px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:60px}.spec-table{width:100%;border-collapse:collapse;background:white}.spec-table td{padding:15px;border-bottom:1px solid var(--line)}.spec-table td:first-child{width:42%;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px}.form{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}label{font-size:12px;text-transform:uppercase;letter-spacing:.05em;font-weight:700;color:#55616A}input,select,textarea{border:1px solid #BBC5CD;background:#fff;padding:12px 13px;outline:none;border-radius:0}textarea{min-height:124px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--navy);box-shadow:0 0 0 2px rgba(31,78,121,.1)}.invalid{border-color:#8E3A3A!important}.contact-card{border-left:3px solid var(--steel);padding-left:24px}.contact-card address{font-style:normal;color:var(--muted)}.contact-card a{color:var(--navy);font-weight:700}
footer{background:var(--navy);color:white;padding:58px 0 0}.footer-grid{display:grid;grid-template-columns:1.1fr .7fr 1.15fr;gap:48px;padding-bottom:40px}.footer-grid h3{font-family:"DM Sans";font-size:12px;color:#B9CBD8;text-transform:uppercase;letter-spacing:.08em}.footer-grid p,.footer-grid a{font-size:13px;color:#D8E2EA}.footer-links{display:grid;gap:8px}.footer-bottom{border-top:1px solid rgba(255,255,255,.2);padding:17px 0;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#CBD8E1}
.rfq-float{position:fixed;right:18px;bottom:18px;z-index:900;background:var(--navy);color:white;border:1px solid #7F9AB0;padding:13px 16px;font-weight:700;font-size:13px;box-shadow:0 10px 24px rgba(20,50,74,.18);cursor:pointer}.modal{position:fixed;inset:0;background:rgba(8,23,35,.68);z-index:2000;display:none;align-items:center;justify-content:center;padding:20px}.modal.open{display:flex}.modal-panel{background:white;width:min(630px,100%);max-height:90vh;overflow:auto;padding:28px;border-top:4px solid var(--navy)}.modal-head{display:flex;justify-content:space-between;gap:18px}.modal-head h2{font-size:31px}.modal-close{border:0;background:none;font-size:28px;color:var(--navy);cursor:pointer}
@media(max-width:930px){.nav,.header-cta{display:none}.hamburger{display:block}.mobile-menu{position:fixed;inset:74px 0 0;background:var(--navy);z-index:999;padding:28px;display:none}.mobile-menu.open{display:block}.mobile-menu a{display:block;color:white;font-family:"Fraunces";font-size:34px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.16)}.hero{grid-template-columns:1fr}.hero-right{min-height:520px}.buyers-grid{grid-template-columns:repeat(2,1fr)}.product-grid,.why-grid{grid-template-columns:repeat(2,1fr)}.industry-grid{grid-template-columns:repeat(2,1fr)}.client-grid,.two-col,.contact-grid{grid-template-columns:1fr}.timeline{grid-template-columns:1fr 1fr}.download-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:1/-1}}
@media(max-width:600px){.container{width:min(calc(100% - 24px),var(--max))}.brand-sub{display:none}.section{padding:66px 0}.hero-inner{padding:64px 18px}.hero-right{min-height:420px;padding:14px}.buyers-grid{grid-template-columns:1fr 1fr}.buyers-item{padding:18px 10px}.home-products-head{display:block}.catalogue-tools{grid-template-columns:1fr}.product-grid,.why-grid,.industry-grid,.timeline,.download-grid,.related-grid{grid-template-columns:1fr}.form{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column}.rfq-float{left:12px;right:12px;text-align:center}}