/* StruVanta Design - main stylesheet */
:root{
  --paper:#F5F6F4;
  --paper-2:#ECEEEB;
  --ink:#16212E;
  --steel:#4A5866;
  --rule:#D3D8DB;
  --caution:#E3A72F;
  --caution-soft:#F6E3B8;
  --white:#FFFFFF;
  --error:#A42A1E;
  --wrap:1160px;
  --gutter:clamp(16px,4vw,40px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:light}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Archivo",system-ui,sans-serif;font-variation-settings:"wdth" 100;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:3px solid var(--caution);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--white);padding:8px 14px;z-index:20}
.skip:focus{left:8px}

/* Header */
.site-head{position:sticky;top:0;z-index:10;background:rgba(245,246,244,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--rule)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand svg{width:30px;height:30px}
.brand-name{font-variation-settings:"wdth" 118;font-weight:750;font-size:20px;letter-spacing:-.01em;line-height:1}
.brand-name span{font-weight:400;color:var(--steel)}
.nav{display:flex;align-items:center;gap:28px}
.nav a{text-decoration:none;font-size:15px;color:var(--steel)}
.nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:600;font-size:15px;text-decoration:none;border-radius:4px;padding:12px 20px;border:1.5px solid var(--ink);cursor:pointer;transition:background .15s,color .15s}
.btn-solid{background:var(--ink);color:var(--white)}
.btn-solid:hover{background:#24364A;border-color:#24364A}
.btn-line{background:transparent;color:var(--ink)}
.btn-line:hover{background:var(--ink);color:var(--white)}
.nav .btn{color:var(--white);padding:9px 16px}
.menu-btn{display:none;background:none;border:1.5px solid var(--ink);border-radius:4px;padding:7px 12px;font:inherit;font-size:15px;font-weight:600;color:var(--ink)}

/* Hero */
.hero{padding:72px 0 56px;border-bottom:1px solid var(--rule)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-variation-settings:"wdth" 112;font-weight:780;font-size:clamp(38px,5.6vw,66px);line-height:1.02;letter-spacing:-.025em;margin:0 0 22px;max-width:13ch}
.hero p.lede{font-size:clamp(18px,1.7vw,20px);color:var(--steel);max-width:34em;margin:0 0 32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-grid{width:100%;height:auto}
.grid-line{stroke:var(--steel);stroke-width:1;stroke-dasharray:14 4 2 4;opacity:.55}
.grid-bubble circle{fill:var(--paper);stroke:var(--ink);stroke-width:1.4}
.grid-bubble text{font-family:"Archivo",sans-serif;font-weight:650;font-size:15px;fill:var(--ink);text-anchor:middle;dominant-baseline:central}
.beam{stroke:var(--ink);stroke-width:3;stroke-linecap:square}
.col{fill:var(--ink)}
.bay{fill:var(--caution-soft)}
.bay-hatch{stroke:var(--caution);stroke-width:1}
.dim{stroke:var(--steel);stroke-width:1}
.dim-text{font-family:"Archivo",sans-serif;font-size:13px;fill:var(--steel);text-anchor:middle}
@media (prefers-reduced-motion:no-preference){
  .beam{stroke-dasharray:var(--len);stroke-dashoffset:var(--len);animation:draw .7s ease-out forwards;animation-delay:var(--d)}
  .col{opacity:0;animation:appear .3s ease-out forwards;animation-delay:var(--d)}
  .bay{opacity:0;animation:appear .6s ease-out 1.9s forwards}
  @keyframes draw{to{stroke-dashoffset:0}}
  @keyframes appear{to{opacity:1}}
}

/* Credentials */
.creds{background:var(--ink);color:var(--white)}
.creds ul{list-style:none;margin:0;padding:22px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.creds li{font-size:15px;line-height:1.4;padding-left:16px;border-left:3px solid var(--caution)}
.creds strong{display:block;font-weight:650;font-size:16px}

/* Sections */
section.block{padding:88px 0;border-bottom:1px solid var(--rule)}
.block-head{display:grid;grid-template-columns:1fr 1.6fr;gap:48px;margin-bottom:44px}
.block-head h2{font-variation-settings:"wdth" 112;font-weight:760;font-size:clamp(28px,3.2vw,40px);line-height:1.08;letter-spacing:-.02em;margin:0}
.block-head p{margin:0;color:var(--steel);max-width:38em;align-self:end}

/* Services as schedule */
.schedule{width:100%;border-collapse:collapse;font-size:16px}
.schedule th,.schedule td{text-align:left;vertical-align:top;padding:18px 16px 18px 0;border-top:1px solid var(--rule)}
.schedule thead th{font-size:14px;font-weight:600;color:var(--steel);border-top:2px solid var(--ink);padding-top:12px;padding-bottom:12px}
.schedule tbody th{font-weight:650;font-size:17px;width:24%}
.schedule td{color:var(--steel)}
.schedule td.sw{width:22%;font-size:15px}
.codes{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:48px}
.codes h3,.includes h3{font-size:17px;font-weight:650;margin:0 0 10px}
.codes p{margin:0;color:var(--steel)}

/* Process */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);counter-reset:step;position:relative}
.steps li{counter-increment:step;padding:0 20px 0 0;position:relative}
.steps li::before{content:counter(step);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1.5px solid var(--ink);background:var(--paper);font-weight:650;font-size:15px;margin-bottom:18px;position:relative;z-index:1}
.steps li::after{content:"";position:absolute;top:19px;left:38px;right:0;border-top:1px dashed var(--steel)}
.steps li:last-child::after{display:none}
.steps li:last-child::before{background:var(--caution);border-color:var(--ink)}
.steps h3{font-size:17px;font-weight:650;margin:0 0 6px;line-height:1.3}
.steps p{margin:0;font-size:15px;color:var(--steel)}
.includes{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:64px;padding-top:32px;border-top:1px solid var(--rule)}
.includes p{margin:0;font-size:15px;color:var(--steel)}

/* About */
.about{display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start}
.portrait{aspect-ratio:4/5;background:var(--paper-2);border:1px solid var(--rule);border-radius:4px;display:grid;place-items:center;color:var(--steel);font-size:14px;text-align:center;padding:16px}
.portrait img{width:100%;height:100%;object-fit:cover;border-radius:4px}
.about h3{font-variation-settings:"wdth" 108;font-size:26px;font-weight:720;margin:0 0 4px;letter-spacing:-.01em}
.about .role{color:var(--steel);margin:0 0 22px}
.about p{max-width:40em}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;margin:28px 0 0;padding:0}
.facts div{border-top:1px solid var(--rule);padding:14px 0}
.facts dt{font-size:14px;color:var(--steel)}
.facts dd{margin:2px 0 0;font-weight:600}

/* Engagement */
.terms{display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--ink)}
.terms div{padding:22px 24px 8px 0}
.terms div+div{padding-left:24px;border-left:1px solid var(--rule)}
.terms h3{font-size:18px;font-weight:650;margin:0 0 8px}
.terms p{margin:0;font-size:15px;color:var(--steel)}

/* Quote form */
.quote{background:var(--paper-2)}
.quote-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:56px}
.quote-side p{color:var(--steel);margin:0 0 18px}
.quote-side .direct{margin-top:28px;padding-top:20px;border-top:1px solid var(--rule)}
.quote-side .direct a{display:block;font-weight:600;text-decoration:none;margin:4px 0}
.quote-side .direct a:hover{text-decoration:underline}
form.qf{background:var(--white);border:1px solid var(--rule);border-radius:4px;padding:32px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.field .opt{font-weight:400;color:var(--steel)}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:16px;color:var(--ink);background:var(--paper);border:1.5px solid var(--rule);border-radius:4px;padding:11px 12px}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink);background:var(--white)}
.field input[type=file]{padding:9px;background:var(--white)}
.hint{font-size:13px;color:var(--steel);margin-top:6px}
.err{font-size:13px;color:var(--error);margin-top:6px;display:none}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--error)}
.field.invalid .err{display:block}
.hidden{position:absolute;left:-9999px}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:8px}
.form-foot p{margin:0;font-size:13px;color:var(--steel);max-width:30em}

/* Footer as title block */
.titleblock{padding:40px 0 48px}
.tb{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;border:1.5px solid var(--ink)}
.tb > div{padding:14px 16px;border-left:1px solid var(--ink)}
.tb > div:first-child{border-left:0}
.tb dt{font-size:12px;color:var(--steel)}
.tb dd{margin:2px 0 0;font-weight:600;font-size:15px}
.tb dl{margin:0}
.tb a{text-decoration:none}
.tb a:hover{text-decoration:underline}
.note{font-size:13px;color:var(--steel);margin:14px 0 0}

/* Responsive */
@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-grid{max-width:520px}
  .creds ul{grid-template-columns:1fr 1fr}
  .block-head{grid-template-columns:1fr;gap:14px}
  .steps{grid-template-columns:1fr;gap:26px}
  .steps li{display:grid;grid-template-columns:38px 1fr;column-gap:18px;padding:0}
  .steps li::before{margin:0;grid-row:span 2}
  .steps li::after{top:38px;left:19px;right:auto;bottom:-26px;border-top:0;border-left:1px dashed var(--steel)}
  .includes{grid-template-columns:1fr 1fr}
  .about{grid-template-columns:1fr;gap:28px}
  .portrait{max-width:240px}
  .terms{grid-template-columns:1fr 1fr}
  .terms div:nth-child(3){padding-left:0;border-left:0}
  .terms div:nth-child(n+3){border-top:1px solid var(--rule)}
  .quote-grid{grid-template-columns:1fr;gap:32px}
  .tb{grid-template-columns:1fr 1fr}
  .tb > div:nth-child(3){border-left:0}
  .tb > div:nth-child(n+3){border-top:1px solid var(--ink)}
}
@media (max-width:1020px){
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--rule);flex-direction:column;align-items:flex-start;padding:16px var(--gutter) 22px;gap:16px}
  .nav.open{display:flex}
  .menu-btn{display:block}
}
@media (max-width:760px){
  .schedule thead{display:none}
  .schedule tr{display:block;border-top:1px solid var(--rule);padding:16px 0}
  .schedule th,.schedule td{display:block;border:0;padding:2px 0;width:auto!important}
  .schedule tbody th{margin-bottom:4px}
  .codes{grid-template-columns:1fr;gap:24px}
  .row{grid-template-columns:1fr;gap:0}
  form.qf{padding:22px}
}
@media (max-width:520px){
  .creds ul,.includes,.terms,.facts,.tb{grid-template-columns:1fr}
  .terms div,.terms div+div{padding-left:0;border-left:0}
  .terms div+div{border-top:1px solid var(--rule)}
  .tb > div{border-left:0;border-top:1px solid var(--ink)}
  .tb > div:first-child{border-top:0}
  section.block{padding:64px 0}
  .hero{padding:48px 0 40px}
}

/* ---------- Multi-page additions ---------- */
.nav a[aria-current="page"]{color:var(--ink);font-weight:600}
.btn-caution{background:var(--caution);border-color:var(--caution);color:var(--ink)}
.btn-caution:hover{background:#F0BA4C;border-color:#F0BA4C}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:var(--white)}
.btn-ghost:hover{background:var(--white);color:var(--ink)}

/* Inner page header */
.page-head{padding:64px 0 48px;border-bottom:1px solid var(--rule)}
.crumbs{font-size:14px;color:var(--steel);margin:0 0 14px}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.page-head h1{font-variation-settings:"wdth" 112;font-weight:780;font-size:clamp(34px,4.6vw,56px);line-height:1.04;letter-spacing:-.022em;margin:0 0 18px;max-width:18ch}
.page-head p{font-size:clamp(18px,1.6vw,20px);color:var(--steel);max-width:36em;margin:0}

/* Service index rows */
.svc-list{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink)}
.svc-list li{border-bottom:1px solid var(--rule)}
.svc-list a{display:grid;grid-template-columns:1fr 1.4fr auto;gap:32px;align-items:baseline;padding:24px 0;text-decoration:none}
.svc-list a:hover h3{text-decoration:underline}
.svc-list h3{font-size:20px;font-weight:650;margin:0}
.svc-list p{margin:0;color:var(--steel)}
.svc-list .more{font-size:15px;font-weight:600;white-space:nowrap}

/* Service detail */
.detail{display:grid;grid-template-columns:1fr 1fr;gap:48px 56px}
.detail h2{font-size:20px;font-weight:650;margin:0 0 14px;padding-top:14px;border-top:2px solid var(--ink)}
.detail ul{margin:0;padding-left:20px;color:var(--steel)}
.detail li{margin-bottom:8px}
.detail li::marker{color:var(--caution)}
.detail .meta p{margin:0 0 8px;color:var(--steel)}
.other-services{margin-top:56px;padding-top:24px;border-top:1px solid var(--rule)}
.other-services h2{font-size:17px;font-weight:650;margin:0 0 12px}
.other-services ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.other-services a{display:inline-block;padding:8px 14px;border:1.5px solid var(--rule);border-radius:4px;text-decoration:none;font-size:15px}
.other-services a:hover{border-color:var(--ink)}

/* CTA band */
.cta-band{background:var(--ink);color:var(--white);padding:56px 0}
.cta-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{font-variation-settings:"wdth" 110;font-weight:740;font-size:clamp(24px,2.8vw,34px);line-height:1.1;margin:0 0 8px;letter-spacing:-.015em}
.cta-band p{margin:0;color:#C9D1D8}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* Footer nav */
.foot-nav{display:flex;flex-wrap:wrap;gap:24px;margin-bottom:22px}
.foot-nav a{text-decoration:none;font-size:15px;color:var(--steel)}
.foot-nav a:hover{color:var(--ink);text-decoration:underline}

/* Simple pages */
.simple{min-height:60vh;display:grid;align-items:center;padding:80px 0}
.simple h1{font-variation-settings:"wdth" 112;font-weight:760;font-size:clamp(32px,4.5vw,52px);line-height:1.05;letter-spacing:-.02em;margin:0 0 18px;max-width:16ch}
.simple p{color:var(--steel);max-width:34em;margin:0 0 28px}

@media (max-width:960px){
  .detail{grid-template-columns:1fr;gap:36px}
}
@media (max-width:760px){
  .svc-list a{grid-template-columns:1fr;gap:6px}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
}

/* ---------- Projects ---------- */
.proj-list{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink)}
.proj-list li{border-bottom:1px solid var(--rule)}
.proj-list a{display:grid;grid-template-columns:200px 1fr auto;gap:32px;align-items:baseline;padding:26px 0;text-decoration:none}
.proj-list a:hover h3{text-decoration:underline}
.proj-meta{font-size:14px;color:var(--steel);line-height:1.5;padding-left:12px;border-left:3px solid var(--caution)}
.proj-list h3{font-size:20px;font-weight:650;margin:0 0 6px}
.proj-list p{margin:0;color:var(--steel)}
.proj-list .more{font-size:15px;font-weight:600;white-space:nowrap}
.case{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.case-figure{display:grid;gap:28px}
.sheet{margin:0;background:var(--white);border:1.5px solid var(--ink);padding:18px}
.sheet img{width:100%;height:auto}
.sheet figcaption{font-size:13px;color:var(--steel);margin-top:12px;padding-top:10px;border-top:1px solid var(--rule)}
.case-body h2{font-size:20px;font-weight:650;margin:32px 0 10px;padding-top:14px;border-top:2px solid var(--ink)}
.case-body p{margin:0;color:var(--steel)}
.case-facts{margin:0}
.approach{margin:0;padding-left:22px;color:var(--steel)}
.approach li{margin-bottom:10px}
.approach li::marker{color:var(--ink);font-weight:650}

/* Drawing diagrams */
.dg{width:100%;height:auto}
.dg-cap{fill:var(--paper-2);stroke:var(--ink);stroke-width:1.6}
.dg-slab{fill:var(--paper-2);stroke:var(--ink);stroke-width:1.2}
.dg-mast{stroke:var(--ink);stroke-width:2}
.dg-hatch{stroke:var(--caution);stroke-width:1}
.dg-pile{fill:var(--white);stroke:var(--ink);stroke-width:1.6;stroke-dasharray:6 3}
.dg-pole{fill:var(--ink)}
.dg-arm{stroke:var(--ink);stroke-width:2}
.dg-lum{fill:var(--caution);stroke:var(--ink);stroke-width:1}
.dg-ground{stroke:var(--ink);stroke-width:1.6}
.dg-load{stroke:var(--steel);stroke-width:1.2}
.dg-arrowhead{fill:var(--steel)}
.dg-equip{fill:var(--caution-soft);stroke:var(--ink);stroke-width:1.2}
.dg-label{font-family:"Archivo",sans-serif;font-weight:650;font-size:14px;fill:var(--ink)}
.dg-tag{font-family:"Archivo",sans-serif;font-weight:650;font-size:12px;fill:var(--ink)}
.dg-note{font-family:"Archivo",sans-serif;font-size:12px;letter-spacing:.04em;fill:var(--steel)}

/* Tools band */
.tools-band{background:var(--paper-2)}

@media (max-width:960px){
  .case{grid-template-columns:1fr;gap:40px}
}
@media (max-width:760px){
  .proj-list a{grid-template-columns:1fr;gap:10px}
}