/* ============================================================
   EMPIRE INTEGRITY SERVICES — black / silver / white
   Display: Barlow Condensed · Body: Inter · Labels: IBM Plex Mono
   ============================================================ */

:root{
  --black:#0A0B0D;
  --carbon:#141619;
  --steel-line:#2A2E33;
  --silver:#C2C9D2;
  --silver-bright:#E6EAEF;
  --paper:#F4F5F7;
  --white:#FFFFFF;
  --text-dark:#17191C;
  --text-muted:#5E646C;
  --text-dark-muted:#9AA1AA;
  --max:1200px;
  --pad:clamp(20px,4vw,48px);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}

body{
  font-family:'Inter',system-ui,sans-serif;
  font-size:16px;line-height:1.7;
  color:var(--text-dark);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}

img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--silver);outline-offset:3px;
}

h1,h2,h3,.display{
  font-family:'Barlow Condensed',sans-serif;
  font-weight:600;line-height:1.05;
  text-transform:uppercase;letter-spacing:.01em;
}

.mono-label{
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;
}

.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

/* ---------- signature: pipeline rule ---------- */
.pipe-rule{position:relative;height:1px;background:var(--steel-line);margin:0 auto;max-width:var(--max)}
.pipe-rule::before,.pipe-rule::after{
  content:"";position:absolute;top:-3px;width:7px;height:7px;border-radius:50%;
  background:var(--silver);
}
.pipe-rule::before{left:0}
.pipe-rule::after{right:0}
.pipe-rule.on-light{background:#D7DBE0}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:rgba(10,11,13,.92);
  border-bottom:1px solid var(--steel-line);
  backdrop-filter:blur(8px);
  transition:background .3s;
}
.header-inner{
  max-width:var(--max);margin:0 auto;
  padding:0 var(--pad);
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.brand{display:flex;align-items:center;gap:14px;color:var(--white);min-width:0;flex:1 1 auto;overflow:hidden}

/* logo image + glossy shine sweep */
.brand-logo{
  position:relative;display:inline-block;flex:none;
  height:46px;overflow:hidden;
  border-radius:2px;
}
.brand-logo img{display:block;height:100%;width:auto;max-width:none}
.brand-logo::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(
    115deg,
    transparent 32%,
    rgba(255,255,255,.18) 46%,
    rgba(255,255,255,.55) 50%,
    rgba(255,255,255,.18) 54%,
    transparent 68%
  );
  transform:translateX(-150%);
  mix-blend-mode:overlay;
  animation:brand-shine 7s cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes brand-shine{
  0%,55%{transform:translateX(-150%)}
  82%,100%{transform:translateX(150%)}
}
@media (prefers-reduced-motion:reduce){
  .brand-logo::after{animation:none;display:none}
}
.brand-name{
  position:relative;
  font-family:'Barlow Condensed',sans-serif;font-weight:700;
  font-size:19px;letter-spacing:.08em;text-transform:uppercase;line-height:1.1;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;
  color:var(--white);
}
.brand-name span{color:var(--silver);font-weight:600}
.brand-name::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(
    115deg,
    transparent 32%,
    rgba(255,255,255,.18) 46%,
    rgba(255,255,255,.55) 50%,
    rgba(255,255,255,.18) 54%,
    transparent 68%
  );
  transform:translateX(-150%);
  mix-blend-mode:overlay;
  animation:brand-shine 7s cubic-bezier(.4,0,.2,1) infinite;
}
@media (prefers-reduced-motion:reduce){
  .brand-name::after{animation:none;display:none}
}

/* ---------- always-on hamburger button ---------- */
.nav-toggle{
  display:flex;align-items:center;justify-content:center;
  position:relative;
  width:46px;height:46px;padding:0;flex:none;
  background:transparent;border:1px solid var(--steel-line);
  cursor:pointer;
  transition:border-color .25s,background .25s,transform .5s cubic-bezier(.4,0,.2,1);
}
.nav-toggle:hover{border-color:var(--silver);background:rgba(255,255,255,.04)}
.nav-toggle .bar{
  position:absolute;left:50%;top:50%;
  width:22px;height:2px;margin-left:-11px;
  background:var(--silver-bright);
  transition:transform .42s cubic-bezier(.4,0,.2,1),opacity .25s,background .25s;
  transform-origin:center;
}
.nav-toggle .bar:nth-child(1){transform:translateY(-7px)}
.nav-toggle .bar:nth-child(2){transform:translateY(0)}
.nav-toggle .bar:nth-child(3){transform:translateY(7px)}
.nav-toggle[aria-expanded="true"]{
  transform:rotate(180deg);border-color:var(--silver);background:rgba(255,255,255,.06);
}
.nav-toggle[aria-expanded="true"] .bar{background:var(--white)}
.nav-toggle[aria-expanded="true"] .bar:nth-child(1){transform:translateY(0) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .bar:nth-child(2){opacity:0;transform:scaleX(0)}
.nav-toggle[aria-expanded="true"] .bar:nth-child(3){transform:translateY(0) rotate(-45deg)}

/* ---------- right-side sliding drawer menu ---------- */
.main-nav{
  position:fixed;inset:0;
  z-index:150; /* below header (200), above page */
  background:rgba(10,11,13,0);
  visibility:hidden;pointer-events:none;
  transition:background .28s ease,visibility 0s linear .28s;
}
.main-nav.open{
  background:rgba(10,11,13,.5);
  backdrop-filter:blur(4px);
  visibility:visible;pointer-events:auto;
  transition:background .28s ease,visibility 0s;
}
.menu-inner{
  position:absolute;top:0;right:0;bottom:0;
  width:min(360px,86vw);
  background:var(--carbon);
  border-left:1px solid var(--steel-line);
  box-shadow:-12px 0 36px rgba(0,0,0,.4);
  padding:96px 28px 36px;
  overflow-y:auto;text-align:left;
  transform:translateX(100%);
  transition:transform .36s cubic-bezier(.4,0,.2,1);
}
.main-nav.open .menu-inner{transform:translateX(0)}
.main-nav a{
  display:block;padding:15px 0;
  font-family:'Barlow Condensed',sans-serif;font-weight:500;
  font-size:19px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--silver-bright);
  border-bottom:1px solid var(--steel-line);
  transition:color .2s ease,padding-left .25s ease;
}
.main-nav a:hover{color:var(--white);padding-left:5px}
.main-nav a[aria-current="page"]{color:var(--white)}
.main-nav a.sub{
  position:relative;
  font-family:'Inter',sans-serif;font-weight:400;
  font-size:13px;letter-spacing:.02em;text-transform:none;
  padding:9px 0 9px 22px;
  color:var(--text-dark-muted);
  border-bottom:1px solid rgba(42,46,51,.5);
}
.main-nav a.sub::before{
  content:"›";
  position:absolute;left:8px;top:50%;
  transform:translateY(-50%);
  color:var(--text-dark-muted);opacity:.75;
  font-size:14px;
}
.main-nav a.sub:hover{color:var(--silver);padding-left:28px}
.menu-phone{
  margin-top:22px!important;display:inline-block!important;
  font-family:'IBM Plex Mono',monospace!important;
  font-size:13px!important;letter-spacing:.12em;
  border:1px solid var(--silver)!important;
  padding:12px 22px!important;text-transform:none!important;
  border-bottom:1px solid var(--silver)!important;
}
.menu-phone:hover{
  background:var(--silver);color:var(--black)!important;
  padding-left:22px!important;
}
@media (prefers-reduced-motion:reduce){
  .nav-toggle,.nav-toggle .bar,.menu-inner,.main-nav,.main-nav a{transition:none}
}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100svh;
  display:flex;align-items:flex-end;
  background:var(--black);color:var(--white);
  overflow:hidden;
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media video{width:100%;height:100%;object-fit:cover}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(to top,rgba(10,11,13,.94) 0%,rgba(10,11,13,.45) 45%,rgba(10,11,13,.55) 100%);
}
.hero-content{
  position:relative;z-index:2;width:100%;
  max-width:var(--max);margin:0 auto;
  padding:140px var(--pad) clamp(56px,9vh,110px);
}
.hero .mono-label{color:var(--silver);margin-bottom:18px}
.hero h1{
  font-size:clamp(52px,9vw,118px);
  color:var(--white);max-width:13ch;
}
.hero h1 .thin{font-weight:300;color:var(--silver-bright)}
.hero-sub{
  margin-top:22px;max-width:560px;
  color:var(--silver);font-size:clamp(15px,1.4vw,18px);line-height:1.75;
}
.hero-ctas{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}

.btn{
  display:inline-block;
  font-family:'Barlow Condensed',sans-serif;font-weight:600;
  font-size:17px;letter-spacing:.1em;text-transform:uppercase;
  padding:14px 30px;border:1px solid var(--white);
  transition:background .2s,color .2s,border-color .2s;
}
.btn-solid{background:var(--white);color:var(--black)}
.btn-solid:hover{background:var(--silver);border-color:var(--silver)}
.btn-ghost{color:var(--white)}
.btn-ghost:hover{background:var(--white);color:var(--black)}
.btn-dark{border-color:var(--black);background:var(--black);color:var(--white)}
.btn-dark:hover{background:var(--carbon)}
.btn-ghost-dark{border-color:var(--black);color:var(--black)}
.btn-ghost-dark:hover{background:var(--black);color:var(--white)}

/* ---------- placeholder slots ---------- */
.ph{
  position:relative;
  background:
    repeating-linear-gradient(45deg,#1B1E22 0 14px,#15171A 14px 28px);
  border:1px dashed #3A3F46;
  display:flex;align-items:center;justify-content:center;
  text-align:center;padding:20px;
}
.ph-light{
  background:repeating-linear-gradient(45deg,#E7EAEE 0 14px,#EFF1F4 14px 28px);
  border:1px dashed #B9C0C9;
}
.ph .ph-tag{
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--silver);
  background:rgba(10,11,13,.85);border:1px solid var(--steel-line);
  padding:8px 14px;line-height:1.6;
}
.ph-light .ph-tag{color:var(--text-muted);background:rgba(255,255,255,.9);border-color:#C9CFD7}

/* ---------- sections ---------- */
.section{padding:clamp(64px,9vw,120px) 0}
.section-dark{background:var(--black);color:var(--white)}
.section-carbon{background:var(--carbon);color:var(--white)}
.section-paper{background:var(--paper)}
.section-head{margin-bottom:clamp(36px,5vw,60px)}
.section-head .mono-label{color:var(--text-muted);display:block;margin-bottom:14px}
.section-dark .section-head .mono-label,
.section-carbon .section-head .mono-label{color:var(--silver)}
.section-head h2{font-size:clamp(34px,4.6vw,58px)}
.section-head p{max-width:640px;margin-top:16px;color:var(--text-muted)}
.section-dark .section-head p,.section-carbon .section-head p{color:var(--text-dark-muted)}

/* ---------- three industry panels ---------- */
.panels{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--steel-line)}
.panel{
  position:relative;background:var(--carbon);
  min-height:440px;display:flex;flex-direction:column;justify-content:flex-end;
  padding:28px;color:var(--white);overflow:hidden;
}
.panel .ph{position:absolute;inset:0;z-index:0}
.panel-body{position:relative;z-index:2;background:rgba(10,11,13,.82);padding:22px;border-top:1px solid var(--steel-line)}
.panel h3{font-size:30px;margin-bottom:8px}
.panel p{font-size:14px;color:var(--text-dark-muted);margin-bottom:14px}
.panel-link{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--silver);
  border-bottom:1px solid var(--silver);padding-bottom:3px;
}
.panel-link:hover{color:var(--white);border-color:var(--white)}

/* ---------- services grid ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px}
.svc-card{
  background:var(--white);border:1px solid #DDE1E6;
  padding:30px 28px;display:flex;flex-direction:column;gap:12px;
  transition:border-color .2s,transform .2s;
}
.svc-card:hover{border-color:var(--black);transform:translateY(-3px)}
.svc-card .mono-label{color:var(--text-muted)}
.svc-card h3{font-size:25px}
.svc-card p{font-size:14.5px;color:var(--text-muted);flex:1}
.svc-card .panel-link{color:var(--text-dark);border-color:var(--text-dark)}
.svc-card .panel-link:hover{color:var(--black);border-color:var(--silver)}

/* ---------- zero strip ---------- */
.zeroes{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--steel-line);border:1px solid var(--steel-line)}
.zero{
  background:var(--black);padding:clamp(28px,4vw,48px);text-align:center;
}
.zero .big{
  font-family:'Barlow Condensed',sans-serif;font-weight:700;
  font-size:clamp(56px,7vw,96px);line-height:1;color:var(--white);display:block;
}
.zero .mono-label{color:var(--silver);display:block;margin-top:10px}

/* ---------- cert strip ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}
.cert{
  border:1px solid var(--steel-line);background:var(--carbon);
  min-height:84px;display:flex;align-items:center;justify-content:center;
  padding:14px;text-align:center;
}
.cert span{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--silver);line-height:1.6;
}

/* ---------- page hero (interior pages) ---------- */
.page-hero{
  background:var(--black);color:var(--white);
  padding:170px 0 64px;position:relative;overflow:hidden;
}
.page-hero .mono-label{color:var(--silver);display:block;margin-bottom:14px}
.page-hero h1{font-size:clamp(42px,6.5vw,84px);max-width:16ch}
.page-hero p{max-width:660px;margin-top:18px;color:var(--text-dark-muted)}

/* ---------- spec list (services provided) ---------- */
.spec-list{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:0 48px;max-width:900px;
}
.spec-list li{
  list-style:none;display:flex;align-items:baseline;gap:14px;
  padding:14px 0;border-bottom:1px solid #DDE1E6;
  font-size:15.5px;
}
.section-dark .spec-list li,.section-carbon .spec-list li{border-color:var(--steel-line);color:var(--silver-bright)}
.spec-list .tick{
  flex:none;width:10px;height:10px;border:2px solid var(--black);
  transform:rotate(45deg);position:relative;top:-1px;
}
.section-dark .spec-list .tick,.section-carbon .spec-list .tick{border-color:var(--silver)}

/* ---------- two-col with media ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,64px);align-items:center}
.split .ph,.split .ph-light{min-height:380px}
.split h2{font-size:clamp(32px,4vw,50px);margin-bottom:18px}
.split p{color:var(--text-muted);margin-bottom:14px}
.section-dark .split p,.section-carbon .split p{color:var(--text-dark-muted)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--black);color:var(--white);text-align:center}
.cta-band h2{font-size:clamp(36px,5vw,64px)}
.cta-band p{color:var(--text-dark-muted);max-width:560px;margin:16px auto 30px}

/* ---------- forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid .full{grid-column:1 / -1}
label{
  display:block;
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);
  margin-bottom:7px;
}
input[type=text],input[type=email],input[type=tel],input[type=date],input[type=number],select,textarea{
  width:100%;padding:13px 14px;
  border:1px solid #C8CDD4;background:var(--white);
  font-family:'Inter',sans-serif;font-size:15px;color:var(--text-dark);
}
input:focus,select:focus,textarea:focus{border-color:var(--black)}
textarea{min-height:130px;resize:vertical}
.check-row{display:flex;align-items:center;gap:10px;padding:6px 0}
.check-row label{margin:0;text-transform:none;font-family:'Inter',sans-serif;font-size:14.5px;letter-spacing:0;color:var(--text-dark)}
.check-row input{width:17px;height:17px;accent-color:var(--black)}
fieldset{border:1px solid #DDE1E6;padding:24px;margin:34px 0 0}
legend{
  font-family:'Barlow Condensed',sans-serif;font-weight:600;font-size:21px;
  text-transform:uppercase;letter-spacing:.04em;padding:0 10px;
}
.form-note{font-size:13px;color:var(--text-muted);margin-top:10px}

/* ---------- contact cards ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.contact-card{border:1px solid #DDE1E6;background:var(--white);padding:28px}
.contact-card h3{font-size:23px;margin-bottom:10px}
.contact-card p{font-size:15px;color:var(--text-muted);line-height:1.8}
.contact-card a{color:var(--text-dark);border-bottom:1px solid var(--silver)}
.contact-card a:hover{border-color:var(--black)}
.contact-card .mono-label{color:var(--text-muted);display:block;margin-bottom:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--black);color:var(--silver);border-top:1px solid var(--steel-line)}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:40px;padding:clamp(48px,6vw,80px) 0;
}
.footer-grid h4{
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;font-weight:500;
  letter-spacing:.2em;text-transform:uppercase;color:var(--text-dark-muted);
  margin-bottom:16px;
}
.footer-grid a,.footer-grid p{display:block;color:var(--silver);font-size:14px;line-height:2}
.footer-grid a:hover{color:var(--white)}
.footer-brand .brand-logo{height:64px;margin-bottom:18px;display:block}
.footer-brand p{margin-top:0;max-width:300px;color:var(--text-dark-muted);font-size:13.5px;line-height:1.8}
.footer-brand p:first-of-type{margin-top:14px}
.footer-bottom{
  border-top:1px solid var(--steel-line);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.08em;
  color:var(--text-dark-muted);text-transform:uppercase;
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .panels{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .zeroes{grid-template-columns:1fr}
}
@media (max-width:880px){
  .form-grid{grid-template-columns:1fr}
}
@media (max-width:540px){
  .brand-name{font-size:12px;letter-spacing:.04em}
  .brand-logo{height:38px}
  .header-inner{height:64px;gap:10px}
  .menu-inner{padding:84px 22px 32px}
}

/* --- brochure cover (re-applied from Claude Code's direct edit) --- */
.brochure-cover{
  display:block;position:relative;
  background:var(--white);
  box-shadow:0 8px 28px rgba(0,0,0,.18);
  transition:transform .25s ease,box-shadow .25s ease;
  align-self:start;
}
.brochure-cover:hover{
  transform:translateY(-4px);
  box-shadow:0 14px 36px rgba(0,0,0,.26);
}
.brochure-cover img{display:block;width:100%;height:auto}

/* --- split-section service photos --- */
.split-img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
  display:block;
  background:var(--carbon);
}
@supports not (aspect-ratio:3/2){
  .split-img{height:380px}
}

/* --- service page photo gallery --- */
.photo-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:14px;
}
.photo-grid-item{
  width:100%;
  display:block;
  background:var(--carbon);
  aspect-ratio:2/3;
  object-fit:cover;
}
.photo-grid-item.wide{
  aspect-ratio:3/2;
  grid-column:span 2;
}
@media (max-width:640px){
  .photo-grid{grid-template-columns:1fr}
  .photo-grid-item.wide{grid-column:span 1;aspect-ratio:3/2}
}
.gallery-section:not(:has(.photo-grid-item)){display:none}

/* --- CTA band with side image --- */
.cta-with-image{text-align:left}
.cta-with-image .cta-split{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:clamp(32px,5vw,64px);
  align-items:center;
}
.cta-with-image .cta-text h2{max-width:12ch}
.cta-with-image .cta-text p{margin:16px 0 30px;color:var(--text-dark-muted);max-width:44ch}
.cta-with-image .cta-image img{
  display:block;
  width:100%;
  max-width:420px;
  margin-left:auto;
  aspect-ratio:4/3;
  object-fit:cover;
  border:1px solid var(--steel-line);
}
@media (max-width:820px){
  .cta-with-image{text-align:center}
  .cta-with-image .cta-split{grid-template-columns:1fr;gap:32px}
  .cta-with-image .cta-text h2,
  .cta-with-image .cta-text p{max-width:none}
  .cta-with-image .cta-image img{margin:0 auto}
}