/* Proactive Infrastructure Consulting — static site styles */
:root{
  --blue:#1b4c6e; --green:#00a481; --ink:#222; --muted:#777;
  --page:#f2f2f2; --card:#fff; --wrap:1100px;
  --font:"nimbus-sans","Helvetica Neue",Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--page);color:var(--ink);font:15px/1.6 var(--font);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
a:hover{color:var(--green)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Header */
.site-header{background:var(--blue);position:sticky;top:0;z-index:20}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100px}
.logo img{height:auto;width:230px}
#site-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:28px}
#site-nav a{color:#fff;text-decoration:none;font-size:16px;font-weight:500}
#site-nav a:hover,#site-nav a[aria-current]{color:var(--green)}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:transform .2s,opacity .2s}

/* Main content area */
main{background:var(--card)}
.content{padding:40px 0 70px}
.banner{width:100%;margin-bottom:32px}
.prose p{margin:0 0 1.1em}
.prose ul{margin:0 0 1.1em;padding-left:1.3em}
.prose li{margin-bottom:.4em}
.page-title{color:var(--blue);font-size:28px;font-weight:600;margin:0 0 20px}

/* Home slider */
.slider{position:relative;height:348px;background:#333;overflow:hidden}
/* Home: banner scales with screen height */
body.home .slider{height:clamp(448px,calc(55vh + 100px),700px)}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;text-decoration:none;opacity:0;transition:opacity 1s ease;pointer-events:none}
.slide.is-active{opacity:1;pointer-events:auto}
.slide::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.12)}
.slide h2{position:relative;margin:0;padding:0 70px;text-align:center;color:#fff;font-size:45px;font-style:italic;font-weight:600;text-transform:uppercase;letter-spacing:.01em;text-shadow:2px 2px 5px rgba(0,0,0,.4);line-height:1.15}
.slider-btn{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:64px;border:0;background:rgba(0,0,0,.25);cursor:pointer;z-index:2;display:flex;align-items:center;justify-content:center}
.slider-btn:hover{background:rgba(0,0,0,.45)}
.slider-btn svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.6}
.slider-btn.prev{left:0}.slider-btn.next{right:0}
.tagline{padding:56px 0;text-align:center}
.tagline h1{margin:0;color:var(--blue);font-size:22px;font-weight:600;line-height:1.35}

/* Projects grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{position:relative;display:block;aspect-ratio:600/403;overflow:hidden;background:#ddd}
.card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:16px;text-align:center;color:#fff;font-weight:600;font-size:18px;background:rgba(27,76,110,.82);opacity:0;transition:opacity .25s}
.card:hover img,.card:focus-visible img{transform:scale(1.04)}
.card:hover span,.card:focus-visible span{opacity:1}

/* Project page */
.project-head{display:flex;align-items:center;gap:22px;margin-bottom:28px}
.project-head h1{flex:1;margin:0;color:var(--blue);font-size:28px;font-weight:600;line-height:1.25}
.project-head svg{display:block}
.all svg{width:22px;height:22px;fill:none;stroke:#bbb;stroke-width:1.3}
.all:hover svg{stroke:var(--green)}
.pn{display:flex;gap:6px}
.pn svg{width:26px;height:26px;fill:none;stroke:#bbb;stroke-width:1.3}
.pn a:hover svg{stroke:var(--green)}
.project-body.has-side{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.side{display:grid;gap:16px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:300px 1fr;column-gap:84px;align-items:start;margin-top:-10px}
.headshot{width:300px;height:auto}
.contact-info{padding-top:24px}
.contact-info p{margin:0 0 1em}
.contact-info a{text-decoration:none}
.contact-info a:hover{text-decoration:underline}
.contact-info a.tel{color:inherit}
.contact-name{color:var(--blue);font-size:22px;font-weight:600;line-height:1.35;margin:0 0 14px}


/* Footer */
.site-footer{background:var(--page);color:var(--muted);font-size:12px;padding:17px 0}
/* Footer sits at the bottom of the window on short pages */
body{min-height:100vh;display:flex;flex-direction:column}
main{flex:1 0 auto}

/* Responsive */
@media (max-width:900px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .slide h2{font-size:34px}
}
@media (max-width:700px){
  .header-inner{height:72px}
  .logo img{width:180px}
  .nav-toggle{display:block}
  #site-nav{position:absolute;left:0;right:0;top:72px;background:var(--blue);display:none;border-top:1px solid rgba(255,255,255,.12)}
  #site-nav.open{display:block}
  #site-nav ul{flex-direction:column;gap:0;padding:8px 24px 16px}
  #site-nav a{display:block;padding:10px 0}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .wrap{padding:0 16px}
  .slider{height:240px}
  body.home .slider{height:340px}
  .slide h2{font-size:24px;padding:0 52px}
  .tagline{padding:36px 0}.tagline h1{font-size:18px}
  .grid{grid-template-columns:1fr}
  .card span{opacity:1;inset:auto 0 0 0;justify-content:flex-start;font-size:15px;padding:10px 14px}
  .project-head h1{font-size:22px}
  .project-body.has-side,.contact-grid{grid-template-columns:1fr}
  .contact-grid{column-gap:0;row-gap:8px}
  .headshot{width:220px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* About: services banner (photo collage + live text) */
.services-banner{position:relative;aspect-ratio:1200/500;background:#0d1b26;overflow:hidden;margin-bottom:36px}
.collage{position:absolute;inset:0;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(2,1fr);gap:3px}
.collage span{background-size:cover;background-position:center}
.services-banner::before{content:"";position:absolute;inset:0;z-index:1;background:rgba(14,36,54,.66)}
.services-text{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:16px;text-align:center;color:#fff}
.services-text .mark{width:clamp(34px,5vw,58px);height:auto;fill:var(--green)}
.services-text p{margin:0;font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:clamp(15px,2.3vw,26px);line-height:1.3;text-shadow:0 1px 3px rgba(0,0,0,.4)}
.two-col{column-count:2;column-gap:40px}

/* Project card without a photo yet */
.card.no-photo{background:linear-gradient(135deg,#1b4c6e,#123850)}
.card.no-photo span{opacity:1;background:none;inset:0!important;justify-content:center!important;font-size:18px!important;padding:20px!important}

@media (max-width:700px){.two-col{column-count:1}}