/* ============================================================
   INTEGRA CONSULTING GROUP — World-class site (folder 04)
   Premium editorial design · video hero · scroll-reveal motion
   Brand: steel-blue logo · NMSDC MBE · Project/Process/Performance/Procurement
   ============================================================ */

:root{
  --ink:#0d1822;
  --navy:#0e1f2e;
  --brand:#17557d;       /* logo steel blue */
  --brand-2:#2e86c1;     /* brighter accent */
  --brand-deep:#0f3d5c;
  --muted:#56657a;
  --line:#e6ebf0;
  --bg:#ffffff;
  --bg-soft:#f4f7fa;
  --gold:#c9a86a;
  --max:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Inter",-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px;}
section{position:relative;}
.display{font-family:"Fraunces","Georgia",serif;font-weight:600;letter-spacing:-.01em;line-height:1.08;}
.eyebrow{font-size:12.5px;letter-spacing:.32em;text-transform:uppercase;font-weight:700;color:var(--brand-2);margin:0 0 18px;}
.scroll-anchor{scroll-margin-top:86px;}

/* ---------- preloader ---------- */
#loader{position:fixed;inset:0;background:var(--navy);z-index:200;display:flex;align-items:center;justify-content:center;transition:opacity .7s ease,visibility .7s;}
#loader.done{opacity:0;visibility:hidden;}
#loader .ring{width:54px;height:54px;border:3px solid rgba(255,255,255,.18);border-top-color:var(--brand-2);border-radius:50%;animation:spin 1s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:100;transition:.4s var(--ease);}
.site-header .bar{max-width:var(--max);margin:0 auto;padding:18px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;transition:.4s var(--ease);}
.site-header.scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line),0 10px 40px rgba(13,24,34,.07);}
.site-header.scrolled .bar{padding:11px 32px;}
.logo img{height:86px;width:auto;transition:.4s var(--ease);filter:brightness(0) invert(1);} /* white over hero */
.site-header.scrolled .logo img{filter:none;height:62px;}
@media(max-width:600px){.logo img{height:64px;}.site-header.scrolled .logo img{height:50px;}}
.nav{display:flex;align-items:center;gap:34px;}
.nav a.link{color:rgba(255,255,255,.92);font-weight:600;font-size:15px;letter-spacing:.01em;position:relative;}
.nav a.link::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--brand-2);transition:width .3s var(--ease);}
.nav a.link:hover::after{width:100%;}
.site-header.scrolled .nav a.link{color:#22323f;}
.nav .cta{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff;font-weight:700;font-size:14.5px;padding:11px 22px;border-radius:8px;transition:.25s var(--ease);}
.nav .cta:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 12px 26px rgba(23,85,125,.35);}
.burger{display:none;background:none;border:none;cursor:pointer;width:30px;height:24px;position:relative;}
.burger span{position:absolute;left:0;height:2px;width:100%;background:#fff;transition:.3s;}
.site-header.scrolled .burger span{background:#22323f;}
.burger span:nth-child(1){top:0;}.burger span:nth-child(2){top:11px;}.burger span:nth-child(3){top:22px;}

/* ---------- hero ---------- */
.hero{height:100vh;min-height:640px;position:relative;display:flex;align-items:center;overflow:hidden;color:#fff;background:var(--navy);}
.hero video,.hero .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero .scrim{position:absolute;inset:0;z-index:1;
  background:linear-gradient(105deg,rgba(8,20,30,.86) 0%,rgba(8,20,30,.62) 42%,rgba(8,20,30,.30) 100%),
             linear-gradient(0deg,rgba(8,20,30,.55),transparent 40%);}
.hero .vid-wrap{position:absolute;inset:0;animation:slowzoom 22s ease-in-out infinite alternate;}
@keyframes slowzoom{from{transform:scale(1.02);}to{transform:scale(1.12);}}
.hero .inner{position:relative;z-index:2;max-width:var(--max);margin:0 auto;padding:0 32px;width:100%;}
.hero .kicker{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.34em;text-transform:uppercase;font-weight:700;color:#bfe0f4;margin-bottom:24px;}
.hero .kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 14px var(--brand-2);}
.hero h1{font-size:clamp(40px,6.4vw,84px);margin:0 0 22px;max-width:15ch;}
.hero h1 .soft{color:#9fc6e0;}
.hero p.sub{font-size:clamp(17px,1.6vw,22px);color:#d4dde6;max-width:60ch;margin:0 0 38px;font-weight:300;}
.hero .actions{display:flex;gap:16px;flex-wrap:wrap;}
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:15.5px;padding:16px 32px;border-radius:9px;cursor:pointer;border:none;transition:.25s var(--ease);}
.btn.primary{background:var(--brand-2);color:#fff;}
.btn.primary:hover{background:#1f6fa8;transform:translateY(-2px);box-shadow:0 16px 36px rgba(46,134,193,.42);}
.btn.ghost{background:rgba(255,255,255,.08);border:1.5px solid rgba(255,255,255,.45);color:#fff;backdrop-filter:blur(4px);}
.btn.ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;}
.hero .scrolldown{position:absolute;left:50%;bottom:30px;transform:translateX(-50%);z-index:2;color:rgba(255,255,255,.7);font-size:11px;letter-spacing:.3em;text-transform:uppercase;text-align:center;}
.hero .scrolldown .mouse{width:24px;height:38px;border:2px solid rgba(255,255,255,.5);border-radius:13px;margin:0 auto 8px;position:relative;}
.hero .scrolldown .mouse::after{content:"";position:absolute;left:50%;top:7px;width:3px;height:7px;background:#fff;border-radius:2px;transform:translateX(-50%);animation:wheel 1.6s infinite;}
@keyframes wheel{0%{opacity:0;top:6px;}40%{opacity:1;}80%{opacity:0;top:16px;}}

/* ---------- trust strip ---------- */
.trust{background:var(--navy);color:#fff;padding:26px 0;border-top:1px solid rgba(255,255,255,.07);}
.trust .row{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.trust .badge{display:flex;align-items:center;gap:16px;}
.trust .badge img{height:62px;width:auto;}
.trust .badge .t small{display:block;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:#8fa6b6;}
.trust .badge .t b{font-size:16px;font-weight:600;}
.trust .four-p{display:flex;gap:8px;flex-wrap:wrap;}
.trust .four-p span{font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;color:#cfe0ec;border:1px solid rgba(255,255,255,.16);padding:8px 16px;border-radius:999px;}

/* ---------- generic section ---------- */
.block{padding:120px 0;}
.block.soft{background:var(--bg-soft);}
.section-title{font-size:clamp(30px,3.6vw,48px);margin:0 0 20px;color:var(--ink);}
.section-lead{font-size:19px;color:var(--muted);max-width:64ch;font-weight:300;}
.center{text-align:center;}
.center .section-lead{margin-left:auto;margin-right:auto;}
.head-flex{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:54px;}

/* who we are — split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:40px;}}
.split .media{position:relative;border-radius:18px;overflow:hidden;box-shadow:0 40px 80px rgba(13,30,46,.18);}
.split .media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split .media .tagchip{position:absolute;left:22px;bottom:22px;background:rgba(14,31,46,.85);backdrop-filter:blur(6px);color:#fff;padding:14px 20px;border-radius:12px;border-left:3px solid var(--brand-2);}
.split .media .tagchip b{font-size:15px;}.split .media .tagchip small{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#9fc6e0;}
.lede{font-size:21px;line-height:1.7;color:#2c3b4a;font-weight:300;margin:0 0 18px;}
.lede strong{font-weight:600;color:var(--ink);}
.mini-list{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media(max-width:520px){.mini-list{grid-template-columns:1fr;}}
.mini-list li{display:flex;gap:11px;align-items:flex-start;font-size:15.5px;color:#33414f;}
.mini-list .ck{flex:none;width:22px;height:22px;border-radius:6px;background:rgba(23,85,125,.1);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:2px;}

/* services grid */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
@media(max-width:900px){.services{grid-template-columns:1fr 1fr;}}
@media(max-width:600px){.services{grid-template-columns:1fr;}}
.svc{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px 30px;transition:.3s var(--ease);position:relative;overflow:hidden;}
.svc::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width .4s var(--ease);}
.svc:hover{transform:translateY(-6px);box-shadow:0 30px 60px rgba(13,30,46,.12);border-color:transparent;}
.svc:hover::before{width:100%;}
.svc .ic{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:20px;}
.svc .ic svg{width:26px;height:26px;}
.svc h3{font-size:21px;margin:0 0 10px;color:var(--ink);}
.svc p{margin:0;color:var(--muted);font-size:15.5px;}

/* video feature band (methodology) */
.feature{position:relative;color:#fff;overflow:hidden;}
.feature video,.feature .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.feature .scrim{position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,28,42,.93),rgba(10,28,42,.74));z-index:1;}
.feature .inner{position:relative;z-index:2;padding:120px 0;}
.feature .section-title{color:#fff;}
.feature .section-lead{color:#c9d6e0;}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:54px;}
@media(max-width:900px){.pillars{grid-template-columns:1fr 1fr;}}
@media(max-width:600px){.pillars{grid-template-columns:1fr;}}
.pillar{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:26px;backdrop-filter:blur(4px);transition:.3s var(--ease);}
.pillar:hover{background:rgba(255,255,255,.1);transform:translateY(-4px);}
.pillar .n{font-family:"Fraunces",serif;font-size:30px;color:var(--brand-2);line-height:1;margin-bottom:12px;}
.pillar h4{margin:0 0 8px;font-size:18px;}
.pillar p{margin:0;color:#c2d0db;font-size:14.5px;}

/* industries */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
@media(max-width:900px){.ind-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:520px){.ind-grid{grid-template-columns:1fr;}}
.ind{position:relative;border-radius:16px;overflow:hidden;min-height:300px;display:flex;align-items:flex-end;color:#fff;background:var(--brand-deep);}
.ind img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.6s var(--ease);}
.ind .ov{position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,24,36,.92),rgba(9,24,36,.25) 70%);transition:.3s;}
.ind:hover img{transform:scale(1.08);}
.ind .c{position:relative;z-index:2;padding:26px;}
.ind h4{margin:0 0 6px;font-size:21px;}
.ind p{margin:0;font-size:14px;color:#cdd9e2;opacity:0;max-height:0;transition:.35s var(--ease);}
.ind:hover p{opacity:1;max-height:120px;}

/* approach / stats band (qualitative, no fabricated numbers) */
.approach{position:relative;color:#fff;overflow:hidden;}
.approach video,.approach .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.approach .scrim{position:absolute;inset:0;background:linear-gradient(120deg,rgba(15,61,92,.94),rgba(10,28,42,.8));z-index:1;}
.approach .inner{position:relative;z-index:2;padding:110px 0;}
.qfacts{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:10px;}
@media(max-width:820px){.qfacts{grid-template-columns:1fr 1fr;}}
.qfact{border-left:2px solid var(--brand-2);padding:10px 0 10px 22px;}
.qfact b{display:block;font-family:"Fraunces",serif;font-size:26px;line-height:1.15;margin-bottom:6px;}
.qfact span{color:#bccdda;font-size:14.5px;}

/* CTA */
.cta-band{position:relative;color:#fff;overflow:hidden;}
.cta-band video,.cta-band .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.cta-band .scrim{position:absolute;inset:0;background:linear-gradient(120deg,rgba(8,20,30,.9),rgba(23,85,125,.78));z-index:1;}
.cta-band .inner{position:relative;z-index:2;padding:120px 0;text-align:center;}
.cta-band h2{font-size:clamp(32px,4.6vw,58px);margin:0 0 18px;}
.cta-band p{font-size:20px;color:#d6e2ec;max-width:56ch;margin:0 auto 34px;font-weight:300;}
.phone-cta{font-family:"Fraunces",serif;font-size:30px;color:#fff;margin-top:18px;display:inline-block;}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr;}}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:7px;font-weight:600;}
.field input,.field textarea{width:100%;padding:14px 15px;border:1px solid #cfd8e1;border-radius:10px;font:inherit;background:#fff;transition:.2s;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(46,134,193,.12);}
.info-card{background:var(--navy);color:#fff;border-radius:18px;padding:40px;align-self:start;}
.info-card h3{margin:0 0 18px;font-size:24px;}
.info-card .line{display:flex;gap:14px;padding:14px 0;border-top:1px solid rgba(255,255,255,.1);align-items:flex-start;}
.info-card .line:first-of-type{border-top:none;}
.info-card .line .ic{flex:none;color:var(--brand-2);}
.info-card .big{font-size:22px;font-weight:700;}

/* footer */
.site-footer{background:#091420;color:#8ea3b4;padding:64px 0 30px;font-size:14.5px;}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08);}
.site-footer .logo img{height:44px;filter:brightness(0) invert(1);opacity:.95;}
.site-footer .four-p{letter-spacing:.2em;text-transform:uppercase;color:#aebecb;font-size:12px;margin-top:18px;}
.foot-links{display:flex;gap:40px;flex-wrap:wrap;}
.foot-links a{display:block;color:#aebecb;padding:5px 0;}
.foot-links a:hover{color:#fff;}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:24px;color:#6f8395;font-size:13px;}
.note{font-size:12.5px;color:#5d7081;margin-top:8px;max-width:70ch;}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.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;}.reveal.d5{transition-delay:.4s;}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}.hero .vid-wrap{animation:none;}}

/* ---------- mobile nav ---------- */
@media(max-width:880px){
  .nav .link{display:none;}
  .nav .cta{display:none;}
  .burger{display:block;}
  .mobile-menu{position:fixed;inset:0;background:var(--navy);z-index:99;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:30px;opacity:0;visibility:hidden;transition:.4s var(--ease);}
  .mobile-menu.open{opacity:1;visibility:visible;}
  .mobile-menu a{color:#fff;font-size:24px;font-family:"Fraunces",serif;}
  .mobile-menu .cta{background:var(--brand-2);padding:14px 30px;border-radius:10px;font-family:"Inter",sans-serif;font-size:17px;}
}
@media(min-width:881px){.mobile-menu{display:none;}}

/* ---------- footer legal links ---------- */
.foot-legal-links a{color:#aebecb;}
.foot-legal-links a:hover{color:#fff;}

/* ---------- legal pages (privacy / terms) ---------- */
.legal-hero{background:linear-gradient(120deg,var(--navy),var(--brand-deep));color:#fff;padding:150px 0 62px;}
.legal-hero h1{font-size:clamp(32px,4.4vw,52px);margin:0;color:#fff;}
.legal-hero .eyebrow{color:#9fc6e0;}
.legal-body{padding:80px 0 100px;}
.legal-prose{max-width:820px;margin:0 auto;}
.legal-prose p{color:#33414f;margin:0 0 18px;}
.legal-prose h2{font-family:"Fraunces","Georgia",serif;font-size:25px;font-weight:600;margin:36px 0 12px;color:var(--ink);}
.legal-prose ul{color:#33414f;margin:0 0 18px;padding-left:20px;}
.legal-prose li{margin:0 0 8px;}
.legal-prose .updated{color:var(--muted);font-size:14px;margin:0 0 26px;}
.legal-prose blockquote{border-left:3px solid var(--brand-2);background:var(--bg-soft);margin:0 0 18px;padding:16px 20px;border-radius:0 12px 12px 0;color:#2c3b4a;}
@media(max-width:600px){.legal-hero{padding:120px 0 48px;}.legal-body{padding:56px 0 72px;}}