/* Irwin Consulting Engineers (draft). Accent = logo bar blue #0081C9 (sampled from irwin-logo.png).
   Text/button blue darkened to #006aa6 for WCAG AA contrast on white. No web fonts: system stack for speed. */
:root{--blue:#0081c9;--blue-d:#006aa6;--blue-dd:#005184;--ink:#111;--body:#2a2a2a;--muted:#5a5a5a;--line:#e2e5e8;--alt:#f4f6f8;--max:1120px;--r:6px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--body);background:#fff;line-height:1.6;font-size:17px}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--blue-d)}
a:hover{color:var(--blue-dd)}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
h1,h2,h3{color:var(--ink);line-height:1.2}
h1{font-size:clamp(32px,5.5vw,52px);margin:0 0 18px;letter-spacing:-.015em}
h2{font-size:clamp(24px,3.2vw,32px);margin:0 0 14px}
h3{font-size:19px;margin:0 0 8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:#111;color:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}
.draft-banner{background:#111;color:#fff;text-align:center;font-weight:700;font-size:14px;padding:8px 12px;border-bottom:4px solid var(--blue)}
.ph-inline{color:#ffd24d}
.ph{background:#fff4c2;color:#5c4700;padding:1px 5px;border-radius:3px;font-style:normal;font-weight:600;font-size:.92em}
.ph-note{margin-top:28px}

/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line);z-index:20;position:relative}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
.brand img{width:160px}
.nav-toggle{display:none;font:inherit;font-weight:700;background:#fff;border:2px solid var(--ink);border-radius:var(--r);padding:6px 14px;cursor:pointer}
#site-nav{display:flex;gap:4px 20px;flex-wrap:wrap;font-size:15px}
#site-nav a{color:var(--ink);text-decoration:none;font-weight:600;padding:6px 0;border-bottom:3px solid transparent}
#site-nav a:hover{color:var(--blue-d)}
#site-nav a[aria-current=page]{border-bottom-color:var(--blue)}
#site-nav .nav-cta{color:var(--blue-d)}
@media (max-width:760px){
  .js .nav-toggle{display:block}
  .js #site-nav{display:none;width:100%;flex-direction:column;gap:0;padding:6px 0 4px;border-top:1px solid var(--line)}
  .js #site-nav.open{display:flex}
  .js #site-nav a{padding:11px 2px;border-bottom:1px solid var(--line)}
  .js #site-nav a[aria-current=page]{border-left:4px solid var(--blue);padding-left:10px;border-bottom-color:var(--line)}
}
@media (min-width:761px){.site-header{position:sticky;top:0}.brand img{width:190px}}

/* hero */
.hero{padding:56px 0 60px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff 0,#f7f9fb 100%)}
.hero-grid{display:grid;gap:36px;align-items:center}
.eyebrow{color:var(--blue-d);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:13px;margin:0 0 10px}
.lead{font-size:clamp(17px,2vw,20px);max-width:720px;color:#222}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-note{color:var(--muted);font-size:15px;margin-top:22px}
.hero-fig{margin:0;background:#fff;border:1px solid var(--line);border-left:6px solid var(--blue);border-radius:var(--r);padding:18px}
.hero-fig figcaption{font-size:13px;color:var(--muted);margin-top:8px}
.page-hero{padding:48px 0 40px;border-bottom:1px solid var(--line);background:#f7f9fb}
.page-hero .lead{margin-bottom:0}
.jump{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.jump a{border:1px solid var(--line);background:#fff;padding:6px 12px;border-radius:999px;text-decoration:none;font-weight:600;font-size:14px;color:var(--ink)}
.jump a:hover{border-color:var(--blue)}

/* buttons */
.btn{display:inline-block;padding:12px 20px;border-radius:var(--r);font-weight:700;text-decoration:none;border:2px solid var(--blue-d);font-size:16px;line-height:1.3;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--blue-d);color:#fff}
.btn-primary:hover{background:var(--blue-dd);border-color:var(--blue-dd);color:#fff}
.btn-ghost{color:var(--ink);border-color:var(--ink);background:#fff}
.btn-ghost:hover{color:var(--blue-d);border-color:var(--blue-d)}
.text-link{font-weight:700;text-decoration:none}

/* sections */
.section{padding:60px 0}
.section-alt{background:var(--alt)}
.section-head{max-width:720px;margin-bottom:24px}
.section-head p{margin:0;color:var(--muted)}
.cards{display:grid;grid-template-columns:1fr;gap:16px;margin:8px 0 20px}
.card{border:1px solid var(--line);border-top:4px solid var(--blue);padding:20px;background:#fff;border-radius:0 0 var(--r) var(--r)}
.card p{margin:0;color:#333}
.card-link{text-decoration:none;color:inherit;transition:box-shadow .15s,transform .15s}
.card-link:hover{box-shadow:0 6px 18px rgba(0,0,0,.08);transform:translateY(-2px);color:inherit}
.card-link h3::after{content:" \2192";color:var(--blue-d)}
.split{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
.split-top{align-items:start}
.panel,.cta-box{background:#fff;border:1px solid var(--line);border-left:6px solid var(--blue);padding:24px;border-radius:var(--r)}
.cta-box{background:var(--ink);color:#eee;border-left-color:var(--blue)}
.cta-box h2{color:#fff}
.cta-row{text-align:center;max-width:720px}
.cta-row p{color:var(--muted)}
.ticks{padding:0;list-style:none;margin:14px 0}
.ticks li{padding-left:26px;position:relative;margin:9px 0}
.ticks li::before{content:"";position:absolute;left:0;top:.5em;width:5px;height:14px;background:var(--blue)}
.towns{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:16px 0}
.towns li{border:2px solid var(--ink);padding:5px 12px;font-weight:700;font-size:15px;background:#fff}
.towns-sm li{border-width:1px;font-size:14px;padding:3px 10px}
.small{font-size:14px;color:var(--muted)}
.muted{color:var(--muted)}

/* services */
.svc-list{display:grid;gap:22px}
.svc{border:1px solid var(--line);border-left:6px solid var(--blue);padding:24px;border-radius:var(--r);scroll-margin-top:100px}
.svc>p{max-width:760px}
.svc .ticks{columns:1}
.svc-cta{margin:18px 0 6px}

/* 3D steps */
.steps{list-style:none;counter-reset:s;padding:0;display:grid;gap:16px;margin:10px 0 0}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);padding:20px 20px 20px 70px;position:relative;border-radius:var(--r)}
.steps li::before{content:counter(s);position:absolute;left:18px;top:18px;width:36px;height:36px;border-radius:50%;background:var(--blue-d);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.steps p{margin:0}

/* about */
.creds-panel h3{margin-bottom:6px}
.creds-panel .credentials{border-left:0;padding-left:0;margin:0}
.creds-panel .credentials li{margin:0;padding:8px 0;border-bottom:1px solid var(--line)}
.creds-panel .credentials li:last-child{border-bottom:0;padding-bottom:0}
.credentials{list-style:none;padding:0;margin:12px 0 0;border-left:4px solid var(--blue);padding-left:16px}
.credentials li{margin:6px 0;font-weight:600;color:var(--ink)}
.contact-list{display:grid;grid-template-columns:130px 1fr;gap:10px 16px;margin:18px 0 26px}
.contact-list dt{font-weight:700;color:var(--ink)}
.contact-list dd{margin:0}

/* service area */
.area-map{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:24px}
.region p{margin-bottom:6px}

/* contact form */
.form-card{background:var(--alt);border:1px solid var(--line);border-top:4px solid var(--blue);padding:24px;border-radius:0 0 var(--r) var(--r)}
.form-card label{display:block;font-weight:700;margin:14px 0 4px;color:var(--ink);font-size:15px}
.form-card input,.form-card select,.form-card textarea{width:100%;font:inherit;padding:10px 12px;border:1px solid #b9c0c7;border-radius:var(--r);background:#fff}
.form-card button{margin-top:18px;width:100%}

/* footer */
.site-footer{border-top:4px solid var(--blue);background:#fff;padding:36px 0 18px;font-size:15px;color:var(--muted)}
.footer-grid{display:grid;gap:22px}
.footer-grid p{margin:4px 0}
.f-head{font-weight:800;color:var(--ink);text-transform:uppercase;letter-spacing:.06em;font-size:13px}
.footer-logo{width:150px;margin-bottom:8px}
.legal{border-top:1px solid var(--line);margin-top:22px;padding-top:14px;font-size:13px}

@media (min-width:720px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1.15fr 1fr}
  .hero-grid{grid-template-columns:1.25fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr}
  .svc .ticks{columns:2;column-gap:32px}
  .svc .ticks li{break-inside:avoid}
}
@media (min-width:1000px){
  .cards{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(4,1fr)}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card-link{transition:none}}
@media print{.draft-banner,.nav-toggle,#site-nav,.form-card{display:none}}
.hero-photo{display:block;width:100%;height:auto;border-radius:var(--r)}