/* Approved three-block landing. Brand rules in design/BASELINE.md.
   Color locks: #7A0000 #21333B #F8F7F3 #F4F2EA #475961 #D9DFDB
   Drawing sources are immutable; only CSS opacity, positioning and scaling. */
:root{--red:#7A0000;--ink:#21333B;--ivory:#F8F7F3;--stone:#F4F2EA;--slate:#475961;--line:#D9DFDB;--max:1320px;--header:78px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--header)}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:Inter,Aptos,'Segoe UI',Arial,sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--red);outline-offset:3px}
.site-shell{width:min(calc(100% - 88px),var(--max));margin-inline:auto}
.skip-link{position:fixed;top:-60px;left:10px;background:var(--ivory);padding:12px;z-index:60}.skip-link:focus{top:10px}
.site-header{position:sticky;top:0;height:var(--header);z-index:30;background:var(--ivory);border-bottom:1px solid var(--line)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.header-logo{display:flex;align-items:center;gap:11px;flex-shrink:0}.header-logo img{height:58px;width:auto}
.logo-type{display:flex;flex-direction:column;gap:5px;line-height:1}.logo-type strong{font-size:24px;letter-spacing:.08em}.logo-type b{font-size:15px;color:var(--red);letter-spacing:.31em}.logo-divider{color:var(--red);font-weight:400;padding:0 .17em}
.primary-nav{display:flex;align-items:center;gap:clamp(16px,2vw,33px);font-size:14px;font-weight:650}
.primary-nav>a:not(.btn):hover{text-decoration:underline;text-underline-offset:5px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:12px;min-height:47px;padding:12px 23px;border:1px solid var(--red);border-radius:3px;font-size:14px;font-weight:700;white-space:nowrap;cursor:pointer}
.btn-red{background:var(--red);color:var(--ivory)}.btn-outline{background:var(--ivory);border-color:var(--slate);color:var(--ink)}
.menu-toggle{display:none}
.hero{min-height:calc(100svh - var(--header));position:relative;isolation:isolate;overflow:hidden;display:flex;align-items:flex-start;border-bottom:1px solid var(--line)}
.hero-art{position:absolute;inset:0;z-index:-2;background-image:url('technical/hydraulic-system-plan.png');background-repeat:no-repeat;background-size:100% auto;background-position:center top;opacity:.20}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--ivory),var(--ivory) 12%,transparent 74%)}
.hero-content{padding-block:clamp(64px,7vh,100px) 8vh}.hero-copy{max-width:min(720px,65%)}
.eyebrow{font-size:13px;font-weight:850;text-transform:uppercase;letter-spacing:.19em;color:var(--red);margin:0 0 20px}
h1,h2,h3,p{margin-top:0}.accent{color:var(--red)}
h1{font-size:clamp(58px,6.5vw,108px);line-height:.98;font-weight:840;letter-spacing:-.06em;margin-bottom:25px}
.lede{font-size:clamp(17px,1.55vw,22px);line-height:1.45;color:var(--slate);max-width:650px}
.button-row{display:flex;gap:13px;flex-wrap:wrap;margin:27px 0 31px}
.keywords{display:flex;flex-wrap:wrap;align-items:center;text-transform:uppercase;font-size:12px;font-weight:800;letter-spacing:.09em;color:var(--slate)}
.keywords span{padding:0 18px;border-right:1px solid var(--red)}.keywords span:first-child{padding-left:0}.keywords span:last-child{border:0}
.services{position:relative;background:var(--ivory);padding:76px 0 48px;border-bottom:1px solid var(--line)}
.services-head{max-width:820px;margin-bottom:40px}
h2{font-size:clamp(45px,5vw,75px);font-weight:830;letter-spacing:-.053em;line-height:1.04;margin-bottom:20px}
.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.service{display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 25px 6px;border-right:1px solid var(--line)}
.service:first-child{padding-left:0}.service:last-child{padding-right:0;border:0}
.service img{width:100%;height:clamp(125px,14vw,195px);object-fit:cover;border-radius:3px;margin-bottom:13px}
.service h3{font-size:clamp(22px,2vw,30px);letter-spacing:-.045em;line-height:1.1;margin-bottom:13px}
.service p{color:var(--slate);font-size:clamp(15px,1.35vw,18px);line-height:1.45;max-width:355px;margin-bottom:20px}
.service>a{margin-top:auto;color:var(--red);text-transform:uppercase;font-size:13px;letter-spacing:.03em;font-weight:850}
.service>a:hover{text-decoration:underline;text-underline-offset:5px}
.contact{position:relative;isolation:isolate;background:var(--ivory);padding:30px 0 40px;min-height:650px;display:flex;align-items:center;overflow:hidden}
.contact-art{position:absolute;inset:0 auto 0 0;width:38%;z-index:-1;background-image:url('technical/vertical-backflow-detail.png');background-size:contain;background-repeat:no-repeat;background-position:left center;opacity:.25}
.contact-layout{display:flex;justify-content:flex-end}
.contact-panel{width:74%;padding:34px clamp(24px,3.2vw,54px);background:var(--ivory);border:1px solid var(--line);border-radius:5px;box-shadow:0 4px 20px #21333B12}
.contact-panel .eyebrow{margin-bottom:6px}.contact-panel h2{font-size:clamp(40px,4.2vw,64px);margin-bottom:12px}
.contact-intro{font-size:clamp(15px,1.3vw,19px);color:var(--slate);line-height:1.45;max-width:760px;margin-bottom:18px}
.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px 22px}.span-2{grid-column:1/-1}
.field label{font-size:14px;font-weight:650;display:block;margin-bottom:6px}.required{color:var(--red);font-weight:800}
.field input,.field select,.field textarea{width:100%;display:block;padding:10px 12px;background:var(--ivory);border:1px solid var(--line);color:var(--ink);border-radius:3px;font-size:15px;min-height:44px}
.field textarea{min-height:92px;resize:vertical}.field input::placeholder,.field textarea::placeholder{color:var(--slate);opacity:.75}
.send{margin-top:15px}.form-feedback{color:var(--slate);font-size:12px;line-height:1.45;margin:12px 0 0}
@media(max-width:980px){:root{--header:72px}.site-shell{width:min(calc(100% - 48px),var(--max))}.logo-type strong{font-size:19px}.logo-type b{font-size:12px}.primary-nav{font-size:12px;gap:14px}.primary-nav .btn{padding-inline:13px}.hero-copy{max-width:70%}.contact-panel{width:78%}.contact-art{width:40%}}
@media(max-width:760px){:root{--header:66px}.site-shell{width:min(calc(100% - 36px),var(--max))}.header-logo img{height:44px;width:auto}.logo-type strong{font-size:18px}.logo-type b{font-size:11px}
.menu-toggle{display:flex;flex-direction:column;justify-content:space-between;width:41px;height:41px;padding:10px;border:1px solid var(--line);background:var(--ivory);border-radius:3px}.menu-toggle span{width:100%;height:2px;background:var(--ink)}
.primary-nav{display:none;position:absolute;top:var(--header);left:0;right:0;padding:18px;background:var(--ivory);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:11px}.primary-nav.open{display:flex}
.primary-nav a:not(.btn){padding:9px 12px;font-size:15px}
.hero{min-height:calc(100svh - var(--header));align-items:flex-start}.hero-art{opacity:.14;background-size:100% auto}.hero::before{background:linear-gradient(90deg,var(--ivory),transparent)}
.hero-content{padding-block:10vh 7vh}.hero-copy{max-width:100%}h1{font-size:clamp(45px,10vw,74px)}.lede{font-size:17px}
.keywords{font-size:10px;line-height:1.8}.keywords span{padding-inline:10px}
.services{padding:64px 0 40px}h2{font-size:clamp(38px,8vw,55px)}.service-grid{grid-template-columns:1fr;gap:32px}
.service,.service:first-child,.service:last-child{padding:0 0 25px;border-right:0;border-bottom:1px solid var(--line)}.service:last-child{border:0}
.service img{height:clamp(170px,48vw,290px);max-width:580px}
.contact{padding-block:50px}.contact-art{width:100%;opacity:.14;background-position:left top;background-size:auto 75%}.contact-panel{width:100%;padding:26px 21px}.contact-panel h2{font-size:clamp(36px,7.5vw,50px)}
}
@media(max-width:480px){.logo-type strong{font-size:16px}.logo-type b{font-size:10px}.hero-content{padding-block:52px 60px}h1{font-size:clamp(41px,10.5vw,55px)}.eyebrow{font-size:11px}.button-row .btn{width:100%}.fields{grid-template-columns:1fr}.contact-panel{padding:22px 16px}.contact-panel h2{font-size:36px}.keywords{font-size:9px}.keywords span{padding-inline:6px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}


/* Approved large-monitor desktop scaling (no artwork changes). */
@media (min-width: 1800px) {
  :root { --max: 2200px; --header: 96px; }
  .site-shell { width: min(91vw, var(--max)); }
  .header-logo { gap: 16px; }
  .header-logo img { height: 66px; width: auto; max-height: 76px; }
  .logo-type strong { font-size: clamp(27px, 1.45vw, 36px); }
  .logo-type b { font-size: clamp(15px, .8vw, 20px); }
  .primary-nav { font-size: clamp(16px, .83vw, 20px); gap: clamp(23px, 1.6vw, 44px); }
  .btn { min-height: 55px; padding: 15px 27px; font-size: clamp(16px, .75vw, 19px); }
  .hero { align-items: flex-start; }
  .hero-content { padding-block: clamp(76px, 7vh, 118px) 8vh; }
  .hero-copy { max-width: 49%; }
  .hero .eyebrow { font-size: clamp(15px, .75vw, 19px); margin-bottom: 22px; }
  .hero h1 { font-size: clamp(95px, 5vw, 135px); line-height: .99; margin-bottom: 27px; }
  .hero .lede { max-width: 950px; font-size: clamp(23px, 1.1vw, 29px); line-height: 1.45; }
  .hero .button-row { gap: 17px; margin: 34px 0; }
  .hero .keywords { font-size: clamp(14px, .68vw, 18px); }
  .services { padding: clamp(82px, 6vw, 130px) 0 clamp(80px, 5vw, 116px); }
  .services-head { max-width: 1360px; margin-bottom: 55px; }
  .services h2 { font-size: clamp(77px, 4.2vw, 111px); }
  .services .eyebrow { font-size: clamp(15px, .74vw, 19px); }
  .services .lede { max-width: 1280px; font-size: clamp(22px, 1.03vw, 27px); }
  .service { padding-inline: clamp(28px, 2vw, 54px); }
  .service img { height: clamp(220px, 12.5vw, 310px); }
  .service h3 { font-size: clamp(31px, 1.65vw, 43px); }
  .service p { font-size: clamp(19px, .94vw, 24px); line-height: 1.45; max-width: 530px; }
  .service>a { font-size: clamp(16px, .75vw, 19px); }
  .contact { min-height: 850px; padding-block: 65px; }
  .contact-panel { width: 75%; padding: 54px clamp(45px, 3vw, 75px); }
  .contact-panel .eyebrow { font-size: clamp(15px, .75vw, 20px); }
  .contact-panel h2 { font-size: clamp(65px, 3.65vw, 98px); }
  .contact-intro { font-size: clamp(21px, 1.08vw, 28px); max-width: 1160px; }
  .field label { font-size: clamp(17px, .82vw, 21px); }
  .field input, .field select, .field textarea { font-size: clamp(18px, .87vw, 22px); min-height: 54px; padding: 12px 15px; }
  .field textarea { min-height: 114px; }
  .fields { gap: 22px 28px; }
  .form-feedback { font-size: 16px; }
}

/* Online-only form verification styling; inert for local approved preview. */
.turnstile-container{margin-top:16px;max-width:100%;min-height:0}
.btn:disabled{opacity:.7;cursor:wait;transform:none}
.form-feedback{overflow-wrap:anywhere}

/* Privacy link: adds no colors beyond the approved brand tokens. */
.form-privacy{color:var(--slate);font-size:12px;line-height:1.5;margin:14px 0 0}
.form-privacy a{color:var(--red);text-decoration:underline;text-underline-offset:3px}