/* ============================================================
   KURS NEKS — design tokens
   ============================================================ */
:root{
  --ink:#0E1620;
  --ink-2:#16212E;
  --ink-3:#1D2C3B;
  --steel:#2F5D82;
  --steel-light:#5085AC;
  --slate:#5B6470;
  --slate-light:#8A93A0;
  --paper:#F6F5F2;
  --paper-2:#EEEBE4;
  --line:#DDDAD1;
  --line-dark:rgba(255,255,255,.12);
  --brass:#A8853E;
  --white:#fff;
  --radius:2px;
  --maxw:1240px;
  --font-display:'Archivo',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  margin:0 0 .5em;
  line-height:1.08;
  letter-spacing:-.01em;
  font-weight:800;
}
p{margin:0 0 1em;color:var(--slate);}
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
section{padding:96px 0;}
@media(max-width:768px){section{padding:56px 0;} .container{padding:0 20px;}}

/* -------------------- eyebrow / doc-code signature -------------------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--brass);
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:var(--brass);
  display:inline-block;
}
.on-dark .eyebrow{color:#C7A968;}

/* -------------------- header -------------------- */
header.site{
  position:sticky;top:0;z-index:100;
  background:rgba(14,22,32,.97);
  border-bottom:1px solid var(--line-dark);
  backdrop-filter:blur(6px);
}
.nav{
  max-width:var(--maxw);margin:0 auto;padding:0 32px;
  height:78px;display:flex;align-items:center;justify-content:space-between;
}
.brand{
  font-family:var(--font-display);
  font-weight:800;font-size:19px;letter-spacing:.01em;color:var(--white);
  display:flex;align-items:center;gap:10px;
}
.brand .mark{
  width:9px;height:9px;background:var(--brass);
}
.brand small{
  display:block;font-family:var(--font-mono);font-weight:400;font-size:9.5px;
  letter-spacing:.14em;color:var(--slate-light);text-transform:uppercase;margin-top:1px;
}
.navlinks{display:flex;gap:34px;align-items:center;}
.navlinks a{
  font-size:14px;color:#C9D0D8;font-weight:500;position:relative;padding:6px 0;
  transition:color .2s;
}
.navlinks a:hover,.navlinks a.active{color:var(--white);}
.navlinks a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brass);
}
.navcta{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.03em;
  color:var(--ink)!important;background:var(--brass);
  padding:11px 20px;font-weight:600;white-space:nowrap;
}
.navcta:hover{background:#BB9750;}
.burger{display:none;background:none;border:0;color:var(--white);font-size:22px;cursor:pointer;}
@media(max-width:960px){
  .navlinks{position:fixed;top:78px;left:0;right:0;bottom:0;background:var(--ink);
    flex-direction:column;align-items:flex-start;padding:30px 28px;gap:22px;
    transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;}
  .navlinks.open{transform:translateX(0);}
  .navlinks a{font-size:17px;}
  .burger{display:block;}
  .navcta{margin-top:10px;}
}

/* -------------------- hero -------------------- */
.hero{
  position:relative;background:var(--ink);color:var(--white);
  padding:150px 0 100px;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(14,22,32,.97) 0%,rgba(14,22,32,.86) 46%,rgba(14,22,32,.55) 100%);
  z-index:1;
}
.hero-bg{position:absolute;inset:0;object-fit:cover;width:100%;height:100%;opacity:.9;}
.hero-inner{position:relative;z-index:2;max-width:760px;}
.hero h1{font-size:clamp(34px,5vw,58px);color:var(--white);}
.hero .lede{font-size:18px;color:#C9D0D8;max-width:560px;}
.hero-actions{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.03em;font-weight:600;
  padding:15px 26px;border:1px solid transparent;cursor:pointer;transition:all .2s;
}
.btn-primary{background:var(--brass);color:var(--ink);}
.btn-primary:hover{background:#BB9750;}
.btn-outline{border-color:rgba(255,255,255,.3);color:var(--white);}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.06);}
.btn-outline.on-light{border-color:var(--ink);color:var(--ink);}
.btn-outline.on-light:hover{background:var(--ink);color:var(--white);}

.hero-stats{
  position:relative;z-index:2;display:flex;gap:0;margin-top:64px;
  border-top:1px solid var(--line-dark);padding-top:28px;flex-wrap:wrap;
}
.hero-stats .stat{padding-right:48px;margin-right:48px;border-right:1px solid var(--line-dark);}
.hero-stats .stat:last-child{border-right:0;}
.hero-stats .num{font-family:var(--font-display);font-size:32px;font-weight:800;color:var(--white);}
.hero-stats .label{font-family:var(--font-mono);font-size:11.5px;color:var(--slate-light);text-transform:uppercase;letter-spacing:.05em;margin-top:2px;}
@media(max-width:768px){.hero{padding:120px 0 70px;} .hero-stats .stat{padding-right:26px;margin-right:26px;}}

/* -------------------- page header (sub pages) -------------------- */
.pagehead{background:var(--ink);color:var(--white);padding:150px 0 60px;}
.pagehead h1{color:var(--white);font-size:clamp(28px,4vw,42px);}
.pagehead .lede{color:#C9D0D8;max-width:640px;font-size:17px;}
.crumb{font-family:var(--font-mono);font-size:12px;color:var(--slate-light);margin-bottom:20px;text-transform:uppercase;letter-spacing:.04em;}
.crumb a{color:var(--slate-light);}
.crumb a:hover{color:var(--white);}

/* -------------------- generic section headings -------------------- */
.sec-head{max-width:680px;margin-bottom:56px;}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);}
.on-dark h2,.on-dark h3{color:var(--white);}
.on-dark p{color:#C9D0D8;}
section.on-dark{background:var(--ink);}

/* -------------------- grid utilities -------------------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
@media(max-width:900px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}

/* -------------------- cards -------------------- */
.card{
  background:var(--white);border:1px solid var(--line);padding:34px 30px;
}
.card h3{font-size:19px;margin-bottom:10px;}
.card .num{font-family:var(--font-mono);color:var(--brass);font-size:13px;margin-bottom:16px;display:block;}
.card p{margin-bottom:0;font-size:14.5px;}
.card a.more{display:inline-block;margin-top:16px;font-size:13px;font-weight:600;color:var(--steel);border-bottom:1px solid var(--steel);}

.service-row{
  display:grid;grid-template-columns:120px 1fr 200px;gap:28px;align-items:start;
  padding:34px 0;border-top:1px solid var(--line);
}
.service-row:last-child{border-bottom:1px solid var(--line);}
.service-row .num{font-family:var(--font-mono);color:var(--brass);font-size:14px;padding-top:4px;}
.service-row h3{font-size:21px;margin-bottom:8px;}
.service-row ul{margin:10px 0 0;padding:0;list-style:none;font-size:13.5px;color:var(--slate);}
.service-row ul li{padding:3px 0;}
.service-row ul li::before{content:"— ";color:var(--brass);}
@media(max-width:768px){.service-row{grid-template-columns:1fr;gap:10px;}}

/* -------------------- why-us / features -------------------- */
.feature{border-top:1px solid var(--line);padding:26px 0;}
.feature h3{font-size:17px;margin-bottom:6px;}
.feature p{font-size:14.5px;margin:0;}

/* -------------------- industries -------------------- */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line);}
.ind-item{background:var(--paper);padding:26px 20px;min-height:110px;display:flex;flex-direction:column;justify-content:flex-end;}
.ind-item span{font-family:var(--font-mono);font-size:11px;color:var(--brass);}
.ind-item h4{font-size:15px;margin:6px 0 0;font-weight:700;}
@media(max-width:900px){.ind-grid{grid-template-columns:repeat(2,1fr);}}

/* -------------------- process / methodology -------------------- */
.proc-list{border-top:1px solid var(--line-dark);}
.on-light .proc-list{border-top-color:var(--line);}
.proc-item{
  display:grid;grid-template-columns:70px 1fr;gap:26px;
  padding:30px 0;border-bottom:1px solid var(--line-dark);
}
.on-light .proc-item{border-bottom-color:var(--line);}
.proc-item .pn{font-family:var(--font-mono);font-size:22px;color:var(--brass);font-weight:600;}
.proc-item h3{font-size:19px;margin-bottom:6px;}
.proc-item p{font-size:14.5px;margin:0;}

/* -------------------- doc pyramid (ISO page signature) -------------------- */
.pyramid{display:flex;flex-direction:column;gap:2px;max-width:560px;margin:0 auto;}
.pyramid .lvl{
  background:var(--ink-2);color:var(--white);padding:20px 26px;
  display:flex;align-items:center;gap:18px;
}
.pyramid .lvl .tag{font-family:var(--font-mono);font-size:12px;color:var(--brass);min-width:120px;}
.pyramid .lvl .name{font-weight:700;font-family:var(--font-display);font-size:16px;}
.pyramid .lvl .sub{font-size:12.5px;color:var(--slate-light);margin-top:2px;}
.pyramid .lvl:nth-child(1){width:100%;}
.pyramid .lvl:nth-child(2){width:92%;align-self:center;background:var(--ink-3);}
.pyramid .lvl:nth-child(3){width:84%;align-self:center;background:#233648;}
.pyramid .lvl:nth-child(4){width:76%;align-self:center;background:#2A415A;}

/* -------------------- FAQ -------------------- */
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;background:none;border:0;cursor:pointer;
  padding:24px 0;display:flex;justify-content:space-between;align-items:center;
  font-family:var(--font-display);font-weight:700;font-size:16.5px;color:var(--ink);
  gap:20px;
}
.faq-q .plus{font-family:var(--font-mono);font-size:20px;color:var(--brass);transition:transform .2s;flex-shrink:0;}
.faq-item.open .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-a p{padding-bottom:22px;margin:0;font-size:14.5px;max-width:680px;}

/* -------------------- CTA band -------------------- */
.cta-band{background:var(--ink);color:var(--white);text-align:center;padding:90px 0;}
.cta-band h2{color:var(--white);max-width:640px;margin:0 auto 28px;}

/* -------------------- footer -------------------- */
footer.site{background:var(--ink);color:#9AA4B0;padding:70px 0 30px;border-top:1px solid var(--line-dark);}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px;}
.foot-grid h5{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:#C9D0D8;margin:0 0 16px;}
.foot-grid ul{list-style:none;padding:0;margin:0;}
.foot-grid li{margin-bottom:10px;font-size:14px;}
.foot-grid a:hover{color:#fff;}
.foot-bottom{border-top:1px solid var(--line-dark);padding-top:24px;display:flex;justify-content:space-between;font-size:12.5px;flex-wrap:wrap;gap:10px;font-family:var(--font-mono);}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr;}}

/* -------------------- contact page -------------------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;}
.info-row{border-top:1px solid var(--line);padding:22px 0;}
.info-row .lbl{font-family:var(--font-mono);font-size:11.5px;color:var(--brass);text-transform:uppercase;letter-spacing:.05em;display:block;margin-bottom:6px;}
form.contact-form{display:flex;flex-direction:column;gap:18px;}
form.contact-form label{font-family:var(--font-mono);font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--slate);display:block;margin-bottom:6px;}
form.contact-form input,form.contact-form select,form.contact-form textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line);background:var(--white);
  font-family:var(--font-body);font-size:15px;color:var(--ink);
}
form.contact-form textarea{resize:vertical;min-height:110px;}
form.contact-form button{align-self:flex-start;}
.form-note{font-size:12.5px;color:var(--slate-light);margin-top:-6px;}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;}}

/* -------------------- misc -------------------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px;}