/* Oilpaw Environmental Services Inc. — site stylesheet
   Design language follows the Oilpaw report series (navy / paper / Lora + Source Sans 3). */
:root{
  --navy:#13293D; --navy-2:#1C3A55; --ink:#1E2328; --muted:#5D6670; --rule:#D9D4CB;
  --paper:#FBFAF7; --sand:#F3F0EA; --accent:#2F6B5A; --accent-soft:#EEF2EF;
  --ochre:#A8792F; --gold:#C9A66B; --high:#9A3B32; --brand:#1A40BA;
  --serif:"Lora",Georgia,"Times New Roman",serif;
  --sans:"Source Sans 3","Segoe UI",Helvetica,Arial,sans-serif;
  --wrap:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--navy);text-decoration-color:var(--rule);text-underline-offset:3px}
a:hover{text-decoration-color:var(--accent)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 40px}
.sr{position:absolute;left:-9999px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(251,250,247,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--rule)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo img{height:34px;width:auto}
.nav{display:flex;align-items:center;gap:34px}
.nav a{font-size:13px;letter-spacing:1.6px;text-transform:uppercase;font-weight:600;color:var(--ink);text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{color:var(--navy);border-bottom-color:var(--accent)}
.nav a.btn{border:1px solid var(--navy);padding:10px 18px;color:var(--navy)}
.nav a.btn:hover{background:var(--navy);color:#fff}
.menu-btn{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px}
.menu-btn span{display:block;height:2px;background:var(--navy);margin:6px 8px}

/* ---------- hero ---------- */
.hero{position:relative;min-height:600px;color:#fff;display:flex;align-items:flex-end;overflow:hidden;background:var(--navy)}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero .shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(19,41,61,.94) 0%,rgba(19,41,61,.80) 42%,rgba(19,41,61,.18) 80%)}
.hero .wrap{position:relative;padding-bottom:84px;padding-top:120px;width:100%}
.hero.short{min-height:420px}
.hero.short .wrap{padding-bottom:64px}
.eyebrow{font-size:12px;letter-spacing:2.4px;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:18px}
.hero h1{font-family:var(--serif);font-weight:400;font-size:56px;line-height:1.12;max-width:720px;letter-spacing:-.3px}
.hero p.sub{margin-top:22px;max-width:560px;font-size:18px;line-height:1.6;color:#D7DEE5}
.hero .ctas{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.btn-solid,.btn-line{display:inline-block;font-size:13px;letter-spacing:1.6px;text-transform:uppercase;font-weight:600;text-decoration:none;padding:15px 24px;border:1px solid}
.btn-solid{background:#fff;color:var(--navy);border-color:#fff}
.btn-solid:hover{background:var(--gold);border-color:var(--gold);color:var(--navy)}
.btn-line{color:#fff;border-color:rgba(255,255,255,.55)}
.btn-line:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-navy{display:inline-block;font-size:13px;letter-spacing:1.6px;text-transform:uppercase;font-weight:600;text-decoration:none;padding:15px 24px;background:var(--navy);color:#fff;border:1px solid var(--navy)}
.btn-navy:hover{background:var(--accent);border-color:var(--accent)}

/* ---------- sections ---------- */
section{padding:96px 0}
section.tight{padding:72px 0}
section.sand{background:var(--sand)}
section.navy{background:var(--navy);color:#E6EBF0}
.sec{font-size:12px;letter-spacing:2.2px;text-transform:uppercase;color:var(--accent);font-weight:700;padding-bottom:10px;border-bottom:1px solid var(--rule);margin-bottom:28px}
section.navy .sec{color:var(--gold);border-bottom-color:rgba(255,255,255,.18)}
h2{font-family:var(--serif);font-weight:400;font-size:40px;line-height:1.2;color:var(--navy);letter-spacing:-.2px}
section.navy h2{color:#fff}
h3{font-family:var(--serif);font-weight:500;font-size:23px;line-height:1.3;color:var(--navy)}
.lead{font-family:var(--serif);font-size:24px;line-height:1.5;color:var(--navy);max-width:900px}
.lead em{font-style:italic}
.muted{color:var(--muted)}
p + p{margin-top:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.grid-12{display:grid;grid-template-columns:5fr 7fr;gap:72px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.split-img img{width:100%;height:100%;min-height:440px;object-fit:cover}
.caption{font-size:12.5px;color:var(--muted);margin-top:10px;letter-spacing:.2px}

/* stats band (from report series) */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--navy);border-bottom:1px solid var(--rule);margin-top:48px}
.stat{padding:24px 24px 26px 0}
.stat + .stat{padding-left:24px;border-left:1px solid var(--rule)}
.stat .n{font-family:var(--serif);font-size:48px;line-height:1.05;color:var(--navy)}
.stat .n.acc{color:var(--accent)}
.stat .l{font-size:14px;line-height:1.45;color:var(--muted);margin-top:8px}
section.navy .stats{border-top-color:#fff;border-bottom-color:rgba(255,255,255,.18)}
section.navy .stat + .stat{border-left-color:rgba(255,255,255,.18)}
section.navy .stat .n{color:#fff}
section.navy .stat .l{color:#B9C4CF}

/* practice cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--navy)}
.card{padding:34px 34px 38px 0;border-bottom:1px solid var(--rule)}
.card:nth-child(3n+2),.card:nth-child(3n){padding-left:34px;border-left:1px solid var(--rule)}
.card .num{font-family:var(--serif);font-size:15px;color:var(--ochre);margin-bottom:14px}
.card h3{margin-bottom:12px}
.card p{font-size:15.5px;color:var(--ink)}
.card a.more{display:inline-block;margin-top:16px;font-size:12.5px;letter-spacing:1.6px;text-transform:uppercase;font-weight:700;color:var(--accent);text-decoration:none}
.card a.more:hover{color:var(--navy)}

/* numbered list (recs style) */
ol.recs{list-style:none;counter-reset:r}
ol.recs li{counter-increment:r;position:relative;padding-left:44px;margin-bottom:20px;font-size:16.5px}
ol.recs li:before{content:counter(r);position:absolute;left:0;top:1px;width:28px;height:28px;border-radius:14px;background:var(--navy);color:#fff;font-size:13px;font-weight:700;text-align:center;line-height:28px}
ol.recs b{font-weight:600;color:var(--navy)}
section.navy ol.recs li:before{background:var(--gold);color:var(--navy)}
section.navy ol.recs b{color:#fff}

.callout{padding:22px 26px;background:var(--accent-soft);border-left:3px solid var(--accent);font-size:16px;line-height:1.6}
.callout b{color:var(--navy)}
.quote{font-family:var(--serif);font-size:30px;line-height:1.4;color:var(--navy);max-width:960px}
.quote:before{content:"";display:block;width:56px;height:2px;background:var(--ochre);margin-bottom:28px}

/* tables & tags (report series) */
table.data{width:100%;border-collapse:collapse;font-size:15px}
table.data th{text-align:left;font-weight:600;color:var(--muted);font-size:11.5px;letter-spacing:.8px;text-transform:uppercase;padding:0 10px 8px 0;border-bottom:1px solid var(--navy);vertical-align:bottom}
table.data td{padding:10px 10px 10px 0;border-bottom:1px solid var(--rule);vertical-align:top}
table.data td.num,table.data th.num{text-align:right}
.tag{display:inline-block;font-size:10.5px;line-height:1.5;font-weight:700;letter-spacing:.9px;text-transform:uppercase;padding:1px 7px;border-radius:2px}
.t-high{color:#fff;background:var(--high)}
.t-med{color:#fff;background:var(--ochre)}
.t-low{color:#fff;background:var(--accent)}

/* product blocks */
.product{display:grid;grid-template-columns:5fr 7fr;gap:64px;padding:64px 0;border-top:1px solid var(--rule)}
.product:first-of-type{border-top:1px solid var(--navy)}
.product .tagline{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--ochre);font-weight:700;margin-bottom:12px}
.product h3{font-size:30px;margin-bottom:16px}
.product ul.ticks{list-style:none;margin-top:18px}
.product ul.ticks li{position:relative;padding-left:22px;margin-bottom:10px;font-size:15.5px}
.product ul.ticks li:before{content:"";position:absolute;left:0;top:10px;width:10px;height:2px;background:var(--accent)}

/* sample output panel */
.panel{background:#fff;border:1px solid var(--rule);padding:28px 30px;box-shadow:0 1px 0 rgba(19,41,61,.04),0 18px 40px -28px rgba(19,41,61,.35)}
.panel .ph{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--navy);padding-bottom:10px;margin-bottom:18px}
.panel .ph b{font-family:var(--serif);font-weight:500;color:var(--navy);font-size:17px}
.panel .ph span{font-size:11px;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted)}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-bottom:1px solid var(--rule);margin-bottom:18px}
.kpi{padding:4px 12px 14px 0}
.kpi + .kpi{padding-left:12px;border-left:1px solid var(--rule)}
.kpi .n{font-family:var(--serif);font-size:30px;color:var(--navy);line-height:1.1}
.kpi .n.red{color:var(--high)}
.kpi .l{font-size:11.5px;color:var(--muted);line-height:1.35;margin-top:4px}
.bars{margin-top:6px}
.bar{display:grid;grid-template-columns:170px 1fr 62px;gap:12px;align-items:center;font-size:13.5px;padding:5px 0}
.bar .track{height:9px;background:#ECE8E1;position:relative}
.bar .fill{position:absolute;left:0;top:0;bottom:0}
.bar .v{white-space:nowrap;text-align:right;font-variant-numeric:tabular-nums;color:var(--muted)}
.f-red{background:var(--high)} .f-amb{background:var(--ochre)} .f-grn{background:var(--accent)} .f-navy{background:var(--navy)}
.note{font-size:12.5px;line-height:1.5;color:var(--muted);margin-top:14px}

/* process steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--navy)}
.step{padding:28px 26px 30px 0}
.step + .step{padding-left:26px;border-left:1px solid var(--rule)}
.step .k{font-family:var(--serif);font-size:38px;color:var(--ochre);line-height:1}
.step h3{font-size:20px;margin:14px 0 10px}
.step p{font-size:15px;color:var(--ink)}
.steps.three{grid-template-columns:repeat(3,1fr)}
section.navy .steps{border-top-color:#fff}
section.navy .step + .step{border-left-color:rgba(255,255,255,.18)}
section.navy .step h3{color:#fff}
section.navy .step p{color:#C7D0D9}

/* decision tree figure */
.tree{display:grid;grid-template-columns:1fr;gap:0;font-size:14px}
.node{border:1px solid var(--navy);background:#fff;padding:12px 16px;text-align:center;color:var(--navy);font-weight:600}
.node.q{background:var(--navy);color:#fff}
.branch{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:0}
.conn{height:22px;border-left:1px solid var(--navy);margin-left:50%}
.leaf{border:1px solid var(--rule);background:var(--paper);padding:12px 14px;font-size:13.5px;line-height:1.45}
.leaf b{display:block;color:var(--navy);margin-bottom:3px}
.leaf.hi{border-left:3px solid var(--high)} .leaf.md{border-left:3px solid var(--ochre)} .leaf.lo{border-left:3px solid var(--accent)}

/* experience list */
.engagements{border-top:1px solid var(--navy)}
.eng{display:grid;grid-template-columns:200px 1fr 260px;gap:40px;padding:30px 0;border-bottom:1px solid var(--rule)}
.eng .yr{font-family:var(--serif);color:var(--ochre);font-size:18px}
.eng h3{font-size:22px;margin-bottom:8px}
.eng p{font-size:15.5px}
.eng .chips{display:flex;flex-wrap:wrap;gap:6px;align-content:flex-start}
.chip{font-size:11px;letter-spacing:1px;text-transform:uppercase;font-weight:600;color:var(--navy);border:1px solid var(--rule);padding:3px 8px;background:#fff}

/* contact */
form.contact{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px}
form.contact label{display:block;font-size:11.5px;letter-spacing:1.4px;text-transform:uppercase;font-weight:700;color:var(--muted);margin-bottom:6px}
form.contact input,form.contact select,form.contact textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1px solid var(--rule);background:#fff;color:var(--ink);border-radius:0}
form.contact input:focus,form.contact select:focus,form.contact textarea:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}
form.contact .full{grid-column:1 / -1}
form.contact textarea{min-height:150px;resize:vertical}
.form-msg{display:none;margin-top:16px}
.contact-card{border-top:1px solid var(--navy);padding-top:22px}
.contact-card dt{font-size:11.5px;letter-spacing:1.4px;text-transform:uppercase;font-weight:700;color:var(--muted);margin-top:20px}
.contact-card dd{font-family:var(--serif);font-size:20px;color:var(--navy);margin-top:4px}

/* CTA band */
.cta-band{background:var(--navy);color:#fff;padding:80px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:40px}
.cta-band h2{color:#fff;max-width:720px}
.cta-band p{color:#B9C4CF;margin-top:12px;max-width:640px}

/* footer */
.site-foot{background:#0E1F2E;color:#9FB0C0;padding:64px 0 36px;font-size:14.5px}
.site-foot .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-foot img{height:30px;width:auto;margin-bottom:18px}
.site-foot h4{font-size:11.5px;letter-spacing:1.8px;text-transform:uppercase;color:#fff;font-weight:700;margin-bottom:14px}
.site-foot a{color:#C7D0D9;text-decoration:none;display:block;margin-bottom:8px}
.site-foot a:hover{color:#fff}
.site-foot .legal{display:flex;justify-content:space-between;gap:20px;padding-top:24px;font-size:12.5px;color:#7F92A4}

/* responsive */
@media (max-width:1000px){
  .hero h1{font-size:44px}
  .grid-2,.grid-12,.product{grid-template-columns:1fr;gap:40px}
  .cards{grid-template-columns:1fr 1fr}
  .card:nth-child(n){padding-left:0;border-left:0;padding-right:24px}
  .card:nth-child(2n){padding-left:28px;border-left:1px solid var(--rule)}
  .steps,.stats{grid-template-columns:1fr 1fr}
  .step:nth-child(3),.stat:nth-child(3){padding-left:0;border-left:0}
  .eng{grid-template-columns:1fr;gap:12px}
  .site-foot .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:16px}
  .wrap{padding:0 22px}
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:78px;left:0;right:0;background:var(--paper);flex-direction:column;align-items:flex-start;gap:0;padding:8px 22px 20px;border-bottom:1px solid var(--rule)}
  .nav.open{display:flex}
  .nav a{padding:12px 0;width:100%;border-bottom:1px solid var(--rule)}
  .nav a.btn{margin-top:12px;text-align:center}
  .hero{min-height:520px}
  .hero h1{font-size:36px}
  h2{font-size:31px}
  .lead{font-size:20px}
  .quote{font-size:23px}
  section{padding:68px 0}
  .cards,.steps,.stats,.kpis{grid-template-columns:1fr}
  .card:nth-child(n),.step:nth-child(n),.stat:nth-child(n),.kpi:nth-child(n){padding-left:0;border-left:0}
  .bar{grid-template-columns:110px 1fr 56px;font-size:12.5px}
  .steps.three{grid-template-columns:1fr}
  form.contact{grid-template-columns:1fr}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
  .site-foot .cols{grid-template-columns:1fr}
  .site-foot .legal{flex-direction:column}
}

/* experience eras */
.era{font-family:var(--serif);font-size:24px;color:var(--navy);padding:6px 0 18px;display:flex;align-items:baseline;gap:18px;flex-wrap:wrap}
.era span{font-family:var(--sans);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700;color:#fff;background:var(--navy);padding:4px 10px}

/* leadership */
.leader{display:grid;grid-template-columns:120px 1fr;gap:36px;align-items:start;padding-top:6px;max-width:900px}
.leader .mono{width:120px;height:120px;border-radius:60px;background:var(--navy);color:#fff;font-family:var(--serif);font-size:40px;display:flex;align-items:center;justify-content:center}
.leader h3{font-size:26px}
.leader .role{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--ochre);font-weight:700;margin:6px 0 14px}
@media (max-width:760px){.leader{grid-template-columns:1fr;gap:18px}.leader .mono{width:84px;height:84px;font-size:28px}}

img.mono{object-fit:cover;object-position:center 30%;border:1px solid var(--rule)}

/* advantages grid */
.adv{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--navy);margin-top:40px}
.adv-i{padding:28px 30px 30px 0;border-bottom:1px solid var(--rule)}
.adv-i:nth-child(3n+2),.adv-i:nth-child(3n){padding-left:30px;border-left:1px solid var(--rule)}
.adv-i .k{font-family:var(--serif);color:var(--ochre);font-size:15px;margin-bottom:10px}
.adv-i h3{font-size:21px;margin-bottom:10px}
.adv-i p{font-size:15.5px}
@media (max-width:1000px){.adv{grid-template-columns:1fr 1fr}.adv-i:nth-child(n){padding-left:0;border-left:0;padding-right:24px}.adv-i:nth-child(2n){padding-left:28px;border-left:1px solid var(--rule)}}
@media (max-width:760px){.adv{grid-template-columns:1fr}.adv-i:nth-child(n){padding-left:0;border-left:0}}

.stats.three{grid-template-columns:repeat(3,1fr)}
@media (max-width:1000px){.stats.three{grid-template-columns:1fr 1fr}}
@media (max-width:760px){.stats.three{grid-template-columns:1fr}}

.card .fund{margin-top:12px;font-size:13.5px;color:var(--accent);font-weight:600}

.hero-sub2{display:block;font-family:var(--serif);font-size:1.45em;line-height:1.3;color:#fff;margin-bottom:14px}

/* siloed -> one model band */
.navy-band{background:var(--navy);color:#fff}
.navy-band h2,.navy-band .lead{color:#fff}
.navy-band p{color:rgba(255,255,255,.82)}
.navy-band .sec{color:var(--gold)}
.silo{display:grid;grid-template-columns:1.1fr auto 1fr auto 1.1fr;gap:22px;align-items:center;margin-top:56px}
.silo-in,.silo-res{display:grid;gap:10px}
.silo-in div{border:1px solid rgba(255,255,255,.35);padding:12px 16px;font-size:14px;letter-spacing:1.5px;text-transform:uppercase}
.silo-res div{border-left:3px solid var(--gold);padding:10px 16px;font-family:var(--serif);font-size:19px}
.silo-arrow{font-size:30px;color:var(--gold);text-align:center}
.silo-out{background:#fff;color:var(--navy);padding:34px 26px;text-align:center;font-family:var(--serif);font-size:24px;line-height:1.25}
.silo-out span{display:block;font-size:13px;font-family:var(--sans);letter-spacing:2px;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:8px}
@media (max-width:1000px){.silo{grid-template-columns:1fr}.silo-arrow{transform:rotate(90deg)}}
@media (max-width:1000px){.steps:not(.three){grid-template-columns:1fr 1fr}}

.silo-note{margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.2);font-size:16px}
.silo-note b{color:#fff}.silo-note a{color:var(--gold);white-space:nowrap}
.scale{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:48px;border-top:1px solid var(--navy)}
.scale-col{padding:32px 36px 8px 0}
.scale-col+.scale-col{padding-left:36px;border-left:1px solid var(--rule)}
.scale-col h3{font-size:22px;margin:8px 0 24px}
.scale-flow{display:grid;grid-template-columns:120px 1fr;gap:18px 22px;align-items:center}
.scale-flow p{font-size:15px;margin:0}
.seg-line{display:flex;gap:0;height:12px}
.seg-line span{flex:1;background:var(--navy);opacity:.25}
.seg-line.cut{gap:5px}
.seg-line.scored span:nth-child(1){background:var(--accent);opacity:1}
.seg-line.scored span:nth-child(2){background:var(--ochre);opacity:1}
.seg-line.scored span:nth-child(3){background:var(--accent);opacity:1}
.seg-line.scored span:nth-child(4){background:var(--high);opacity:1}
.seg-line.scored span:nth-child(5){background:var(--accent);opacity:1}
.seg-site{width:34px;height:34px;border-radius:50%;background:var(--navy);opacity:.25;margin:0 auto}
.seg-site.scored{background:var(--accent);opacity:1}
.seg-one{height:34px;background:var(--navy);display:flex;align-items:center;justify-content:center}
.seg-one::after{content:"ONE MODEL";color:#fff;font-size:11px;letter-spacing:2px;font-weight:700}
@media (max-width:900px){.scale{grid-template-columns:1fr}.scale-col,.scale-col+.scale-col{padding:28px 0 8px;border-left:0}.scale-col+.scale-col{border-top:1px solid var(--rule)}}
.scale-col .tagline{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--ochre);font-weight:700}
.scale-list{font-size:14px;color:var(--muted,#5b6470);margin:-14px 0 24px;line-height:1.6}

.sectors{display:flex;flex-wrap:wrap;gap:8px 8px;align-items:center}
.sectors span{border:1px solid var(--rule);padding:6px 12px;font-size:13px;letter-spacing:.5px;color:var(--navy);background:rgba(255,255,255,.6)}
.sectors .sectors-l{border:0;background:none;padding-left:0;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--ochre);font-weight:700}
.leader-email{display:inline-block;margin:-6px 0 14px;font-size:15px;color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(47,107,90,.35)}
.leader-email:hover{border-bottom-color:var(--accent)}
.era-contact{margin:18px 0 0;padding:14px 18px;background:var(--sand);border-left:3px solid var(--accent);font-size:15px}
.era-contact a{color:var(--accent);font-weight:600}