/* Ironbound Geotechnical Partners — main stylesheet
   Author: in-house / 2026 rebuild
   Palette: graphite + copper, technical drawing accents            */

:root{
  --ink:#11161c;
  --ink-2:#1a222b;
  --ink-3:#263140;
  --paper:#f4f2ee;
  --paper-2:#ebe7e0;
  --line:rgba(17,22,28,.12);
  --line-dark:rgba(244,242,238,.14);
  --copper:#b4552a;
  --copper-lt:#d97a44;
  --sand:#c9a227;
  --slate:#5d6b7a;
  --white:#fff;
  --shadow:0 18px 44px -24px rgba(17,22,28,.45);
  --shadow-sm:0 6px 18px -12px rgba(17,22,28,.5);
  --r:4px;
  --maxw:1200px;
  --grid:linear-gradient(rgba(17,22,28,.045) 1px,transparent 1px),
         linear-gradient(90deg,rgba(17,22,28,.045) 1px,transparent 1px);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:16.5px;line-height:1.65;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:"Archivo","IBM Plex Sans",sans-serif;font-weight:700;line-height:1.1;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5vw,3.9rem)}
h2{font-size:clamp(1.65rem,3.3vw,2.6rem)}
h3{font-size:1.18rem}
p{margin:0 0 1rem}
.mono{font-family:"IBM Plex Mono",ui-monospace,Menlo,monospace}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--copper);color:#fff;padding:10px 16px;z-index:200}
.skip:focus{left:8px;top:8px}

/* ---------- topbar ---------- */
.topbar{background:var(--ink);color:#cfd6de;font-size:.8rem;letter-spacing:.02em}
.topbar .wrap{display:flex;gap:18px;justify-content:space-between;align-items:center;min-height:38px;flex-wrap:wrap}
.topbar a:hover{color:var(--copper-lt)}
.topbar .tb-r{display:flex;gap:18px;flex-wrap:wrap}
.dot{width:7px;height:7px;border-radius:50%;background:#4ec27a;display:inline-block;margin-right:7px;
  box-shadow:0 0 0 0 rgba(78,194,122,.7);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(78,194,122,0)}100%{box-shadow:0 0 0 0 rgba(78,194,122,0)}}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:120;background:rgba(244,242,238,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);transition:box-shadow .3s,background .3s}
.site-head.stuck{box-shadow:0 10px 30px -22px rgba(17,22,28,.6);background:rgba(244,242,238,.96)}
.head-in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px}
.brand svg{width:38px;height:38px;flex:none}
.brand b{font-family:"Archivo",sans-serif;font-size:1.02rem;letter-spacing:-.01em;display:block;line-height:1.15}
.brand span{font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--slate)}
nav.main{display:flex;align-items:center;gap:4px}
nav.main a{padding:9px 12px;font-size:.9rem;font-weight:500;border-radius:var(--r);position:relative;transition:color .2s}
nav.main a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--copper);
  transform:scaleX(0);transform-origin:left;transition:transform .28s cubic-bezier(.2,.7,.3,1)}
nav.main a:hover::after,nav.main a[aria-current="page"]::after{transform:scaleX(1)}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:var(--r);font-weight:600;
  font-size:.9rem;border:1px solid transparent;cursor:pointer;transition:transform .2s,background .2s,color .2s,border-color .2s;
  font-family:inherit}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--copper);color:#fff}
.btn-primary:hover{background:#9d4622}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(17,22,28,.04)}
.btn-light{background:var(--paper);color:var(--ink)}
.btn-outline-lt{border-color:var(--line-dark);color:#f4f2ee}
.btn-outline-lt:hover{background:rgba(255,255,255,.08)}
.burger{display:none;width:44px;height:40px;border:1px solid var(--line);background:none;border-radius:var(--r);cursor:pointer}
.burger i{display:block;width:20px;height:2px;background:var(--ink);margin:4px auto;transition:.25s}
.burger.on i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.on i:nth-child(2){opacity:0}
.burger.on i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

@media(max-width:960px){
  nav.main{position:fixed;inset:112px 0 auto;background:var(--paper);flex-direction:column;align-items:stretch;
    padding:14px 22px 26px;border-bottom:1px solid var(--line);gap:0;
    transform:translateY(-140%);transition:transform .38s cubic-bezier(.2,.8,.2,1);max-height:80vh;overflow:auto}
  nav.main.open{transform:none}
  nav.main a{padding:14px 4px;border-bottom:1px solid var(--line)}
  nav.main .btn{margin-top:16px;justify-content:center}
  .burger{display:block}
}

/* ---------- hero ---------- */
.hero{position:relative;color:#f4f2ee;background:var(--ink);overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;background:url("../hero.jpg") center 55%/cover no-repeat;
  transform:scale(1.06);animation:kb 26s ease-in-out infinite alternate;z-index:-2}
@keyframes kb{to{transform:scale(1.16) translateY(-14px)}}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(11,15,19,.94) 0%,rgba(11,15,19,.78) 45%,rgba(11,15,19,.35) 100%)}
.hero .wrap{padding-top:96px;padding-bottom:96px;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:"IBM Plex Mono",monospace;font-size:.73rem;
  letter-spacing:.2em;text-transform:uppercase;color:var(--copper-lt);border:1px solid rgba(217,122,68,.4);
  padding:7px 14px;border-radius:999px;margin-bottom:22px;background:rgba(180,85,42,.1)}
.hero h1{max-width:17ch}
.hero h1 em{font-style:normal;color:var(--copper-lt)}
.hero p.lead{font-size:1.1rem;max-width:56ch;color:#d6dbe1}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:64px;
  border-top:1px solid var(--line-dark)}
.hero-facts div{padding:22px 20px 6px;border-right:1px solid var(--line-dark)}
.hero-facts div:last-child{border-right:0}
.hero-facts b{display:block;font-family:"Archivo",sans-serif;font-size:2rem;line-height:1}
.hero-facts span{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:#9aa6b2}
@media(max-width:760px){.hero-facts{grid-template-columns:1fr 1fr}.hero-facts div{border-bottom:1px solid var(--line-dark)}}

/* ---------- marquee ---------- */
.marquee{background:var(--ink-2);color:#8b98a5;border-top:1px solid var(--line-dark);overflow:hidden;padding:13px 0}
.marquee ul{display:flex;gap:52px;list-style:none;margin:0;padding:0;white-space:nowrap;
  font-family:"IBM Plex Mono",monospace;font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;
  animation:slide 34s linear infinite;will-change:transform}
.marquee:hover ul{animation-play-state:paused}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
section{padding:82px 0;position:relative}
.sec-head{max-width:62ch;margin-bottom:44px}
.kicker{font-family:"IBM Plex Mono",monospace;font-size:.73rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--copper);display:flex;align-items:center;gap:10px;margin-bottom:14px}
.kicker::before{content:"";width:26px;height:1px;background:var(--copper)}
.lead{font-size:1.05rem;color:#3c4753}
.dark{background:var(--ink);color:#e6eaee}
.dark h2,.dark h3{color:#fff}
.dark .lead,.dark p{color:#b9c3cd}
.dark .kicker{color:var(--copper-lt)}
.dark .kicker::before{background:var(--copper-lt)}
.tinted{background:var(--paper-2);background-image:var(--grid);background-size:34px 34px}

.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:960px){.g3,.g4{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.g2,.g3,.g4{grid-template-columns:1fr}}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:32px}}

.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:26px;
  transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--copper);transition:width .4s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(17,22,28,.2)}
.card:hover::before{width:100%}
.card .num{font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--slate);letter-spacing:.16em}
.card h3{margin:12px 0 8px}
.card p{color:#48525d;font-size:.95rem;margin:0}
.card ul{margin:12px 0 0;padding-left:18px;font-size:.9rem;color:#48525d}
.dark .card{background:var(--ink-2);border-color:var(--line-dark)}
.dark .card p,.dark .card ul{color:#aab5c0}
.dark .card .num{color:#7d8b98}

.ico{width:44px;height:44px;border-radius:var(--r);display:grid;place-items:center;background:rgba(180,85,42,.1);
  border:1px solid rgba(180,85,42,.25);color:var(--copper)}
.ico svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7}

.figure{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.figure img{transition:transform .9s cubic-bezier(.2,.8,.2,1)}
.figure:hover img{transform:scale(1.05)}
.figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 20px 14px;font-size:.8rem;color:#eceff2;
  background:linear-gradient(transparent,rgba(11,15,19,.85));font-family:"IBM Plex Mono",monospace;letter-spacing:.08em}
.badge-float{position:absolute;background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:14px 18px;box-shadow:var(--shadow);right:-14px;bottom:-18px;max-width:210px}
.badge-float b{display:block;font-family:"Archivo",sans-serif;font-size:1.6rem;line-height:1}
.badge-float span{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--slate)}
@media(max-width:900px){.badge-float{right:10px;bottom:10px}}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark)}
.stats div{background:var(--ink-2);padding:30px 24px}
.stats b{display:block;font-family:"Archivo",sans-serif;font-size:2.5rem;line-height:1;color:#fff}
.stats span{font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:#8d99a5}
@media(max-width:820px){.stats{grid-template-columns:1fr 1fr}}

/* process timeline */
.steps{counter-reset:s;border-left:2px solid var(--line);padding-left:0;list-style:none;margin:0}
.steps li{counter-increment:s;position:relative;padding:0 0 34px 34px}
.steps li::before{content:"0" counter(s);position:absolute;left:-19px;top:0;width:36px;height:36px;border-radius:50%;
  background:var(--copper);color:#fff;display:grid;place-items:center;font-family:"IBM Plex Mono",monospace;font-size:.74rem}
.steps h3{margin:4px 0 6px}
.steps p{color:#48525d;font-size:.95rem;margin:0}

/* accordion */
.acc{border-top:1px solid var(--line)}
.acc details{border-bottom:1px solid var(--line)}
.acc summary{cursor:pointer;padding:20px 44px 20px 0;position:relative;font-weight:600;list-style:none;
  font-family:"Archivo",sans-serif;font-size:1.03rem}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";position:absolute;right:8px;top:16px;font-size:1.5rem;color:var(--copper);
  transition:transform .3s;font-weight:400}
.acc details[open] summary::after{transform:rotate(45deg)}
.acc .body{padding:0 40px 22px 0;color:#48525d;font-size:.96rem;animation:fadeUp .4s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* table */
.tbl{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--white);border:1px solid var(--line)}
.tbl th,.tbl td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--line)}
.tbl th{background:var(--paper-2);font-family:"IBM Plex Mono",monospace;font-size:.74rem;letter-spacing:.12em;
  text-transform:uppercase;color:#3c4753}
.tbl tr:hover td{background:rgba(180,85,42,.05)}
.tbl-scroll{overflow-x:auto}

/* quote */
.quote{background:var(--white);border:1px solid var(--line);border-left:3px solid var(--copper);padding:30px 30px;
  border-radius:var(--r)}
.quote p{font-size:1.06rem;font-style:italic;color:#2b333c}
.quote footer{font-size:.85rem;color:var(--slate);font-family:"IBM Plex Mono",monospace}

/* cta band */
.cta-band{background:linear-gradient(115deg,#141b22,#22303c);color:#fff;border-radius:var(--r);
  padding:48px;display:flex;gap:30px;align-items:center;justify-content:space-between;flex-wrap:wrap;
  position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(180,85,42,.42),transparent 65%)}
.cta-band h2{margin:0 0 6px;max-width:24ch}
.cta-band p{margin:0;color:#c3ccd5;max-width:52ch}

/* form */
form.enq{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:16px}
.field label{display:block;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:#3c4753;margin-bottom:6px;
  font-family:"IBM Plex Mono",monospace}
.field input,.field select,.field textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:var(--r);
  font-family:inherit;font-size:.95rem;background:#fbfaf8;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--copper);
  box-shadow:0 0 0 3px rgba(180,85,42,.14)}
.field.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:600px){.field.row{grid-template-columns:1fr}}
.consent{display:flex;gap:10px;font-size:.82rem;color:#4c5661;align-items:flex-start}
.consent input{width:16px;height:16px;margin-top:3px;flex:none}
.form-note{font-size:.78rem;color:var(--slate);margin-top:12px}
.ok-msg{display:none;background:#e8f5ec;border:1px solid #b6dcc3;color:#1e5b34;padding:12px 14px;border-radius:var(--r);
  font-size:.9rem;margin-bottom:14px}

/* page hero */
.page-hero{background:var(--ink);color:#fff;padding:70px 0 62px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;opacity:.22;
  background:url("../newark.jpg") center/cover no-repeat}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#11161c 20%,rgba(17,22,28,.55))}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{margin-bottom:12px}
.page-hero p{color:#c3ccd5;max-width:60ch;margin:0}
.crumbs{font-family:"IBM Plex Mono",monospace;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;
  color:#8d99a5;margin-bottom:18px}
.crumbs a:hover{color:var(--copper-lt)}

/* legal typography */
.legal{max-width:78ch}
.legal h2{margin-top:2.2rem;font-size:1.5rem}
.legal h3{margin-top:1.6rem}
.legal ul{padding-left:20px;color:#3c4753}
.legal li{margin-bottom:.5rem}
.legal .toc{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:20px 24px}
.legal .toc a{color:var(--copper);text-decoration:underline;text-underline-offset:3px}
.updated{font-family:"IBM Plex Mono",monospace;font-size:.78rem;color:var(--slate)}

/* footer */
footer.site{background:#0d1216;color:#9fabb6;padding:64px 0 26px;font-size:.9rem}
footer.site h4{font-family:"Archivo",sans-serif;color:#fff;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;
  margin:0 0 16px}
footer.site a:hover{color:var(--copper-lt)}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
@media(max-width:900px){.f-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.f-grid{grid-template-columns:1fr}}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{margin-bottom:9px}
.f-bot{border-top:1px solid var(--line-dark);margin-top:44px;padding-top:20px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:.8rem;color:#7c8896}
.f-brand svg{width:40px;height:40px}
.f-brand{display:flex;gap:11px;align-items:center;margin-bottom:14px;color:#fff}
.f-brand b{font-family:"Archivo",sans-serif;display:block;line-height:1.15}
.f-brand span{font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:#8d99a5}

/* reveal + misc */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}
#bar{position:fixed;top:0;left:0;height:3px;background:var(--copper);z-index:300;width:0}
#top{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;
  border:none;cursor:pointer;display:grid;place-items:center;opacity:0;pointer-events:none;transition:.3s;z-index:130;
  box-shadow:var(--shadow)}
#top.show{opacity:1;pointer-events:auto}
#top:hover{background:var(--copper)}

/* cookie banner */
#cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:200;background:var(--ink);color:#dde3e9;
  border:1px solid var(--line-dark);border-radius:var(--r);padding:20px 22px;display:none;gap:22px;
  align-items:center;justify-content:space-between;flex-wrap:wrap;box-shadow:0 24px 60px -28px rgba(0,0,0,.8);
  max-width:1140px;margin:0 auto;animation:cUp .5s cubic-bezier(.2,.8,.2,1)}
@keyframes cUp{from{transform:translateY(30px);opacity:0}to{transform:none;opacity:1}}
#cookie.show{display:flex}
#cookie p{margin:0;font-size:.86rem;max-width:64ch;color:#b9c3cd}
#cookie a{color:var(--copper-lt);text-decoration:underline}
#cookie .c-btns{display:flex;gap:10px;flex-wrap:wrap}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.chips li{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid var(--line);padding:6px 11px;border-radius:999px;color:#3c4753;background:var(--white)}
.dark .chips li{border-color:var(--line-dark);color:#aab5c0;background:transparent}