@charset "utf-8";

/* ---------------------------------------------
   KP AUTOMATION — design tokens
   Identity: industrial blueprint / control-panel.
   Sharp edges, condensed technical display type,
   real project photography, single green accent.
--------------------------------------------- */
:root{
  --bg:            #ffffff;
  --bg-alt:        #f2f5f1;
  --ink:           #12140f;
  --ink-soft:      #565b53;
  --line:          #d8dcd6;
  --accent:        #10c65a;
  --accent-deep:   #0a7f3c;
  --panel-dark:    #15170f;
  --panel-dark-2:  #1e2117;
  --max:           1180px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Work Sans', Arial, Helvetica, sans-serif;
  font-size:17px;
  line-height:1.55;
}
h1,h2,h3,h4{
  font-family:'Oswald', Arial, Helvetica, sans-serif;
  font-weight:600;
  letter-spacing:.2px;
  margin:0 0 .4em 0;
  color:var(--ink);
}
a{ color:var(--accent-deep); }
img{ max-width:100%; display:block; }
.wrap{ max-width:var(--max); margin:0 auto; padding:0 28px; }

/* ---------- top nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:var(--panel-dark);
  border-bottom:2px solid var(--accent);
}
.site-header.header-overlay{
  position:fixed; left:0; right:0; top:0;
  background:transparent;
  border-bottom-color:transparent;
  transition:background .3s ease, border-color .3s ease;
}
.site-header.header-overlay::before{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,0) 100%);
  z-index:-1;
  pointer-events:none;
  transition:opacity .3s ease;
}
.site-header.header-overlay.is-solid{
  background:var(--panel-dark);
  border-bottom-color:var(--accent);
}
.site-header.header-overlay.is-solid::before{ opacity:0; }

.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:76px; max-width:none;
}
.site-header .logo{ display:flex; align-items:center; gap:12px; }
.site-header .logo img{ height:56px; width:auto; }
.site-header .logo span{
  font-family:'Oswald', Arial, sans-serif;
  color:#fff; font-size:20px; letter-spacing:.5px;
}
.site-nav ul{ list-style:none; display:flex; gap:2px; margin:0; padding:0; }
.site-nav a{
  display:block; padding:10px 18px;
  color:#dfe4dd; text-decoration:none;
  font-family:'Oswald', Arial, sans-serif;
  font-size:15px; letter-spacing:.4px;
  border-bottom:3px solid transparent;
  position:relative;
}
.site-nav a:hover{
  color:#fff;
}
.site-nav a.current{
  color:#fff; font-weight:600; border-bottom-color:transparent;
}
.site-nav a.current::before,
.site-nav a.current::after{
  content:"";
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:2px; height:16px;
  background:var(--accent);
}
.site-nav a.current::before{ left:2px; }
.site-nav a.current::after{ right:2px; }
.nav-toggle{ display:none; }

/* ---------- language switch ---------- */
.nav-group{ display:flex; align-items:center; gap:22px; }
.lang-switch{
  display:flex; align-items:center; gap:7px;
  padding-left:18px; margin-left:2px;
  border-left:1px solid rgba(255,255,255,.22);
}
.lang-switch a{
  color:#8b9184; text-decoration:none;
  font-family:'Oswald', Arial, sans-serif;
  font-size:13px; letter-spacing:.5px;
}
.lang-switch a.current{ color:#fff; font-weight:600; }
.lang-switch a:hover{ color:var(--accent); }
.lang-switch span{ color:#4c5148; font-size:12px; }


.site-header .rail{
  position:relative;
  height:7px;
  background:rgba(255,255,255,.9);
}
.site-header .rail.mid{ flex:1; margin:0 32px 0 12px; }
.site-header .rail.edge{ flex:0 0 40px; }
.site-header .rail.rail-start{ margin:0 12px 0 -28px; }
.site-header .rail.rail-end{ margin:0 -28px 0 20px; }

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:78vh;
  display:flex; align-items:flex-end;
  background:#000 center 20%/cover no-repeat;
  color:#fff;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(0deg, rgba(10,12,8,.92) 0%, rgba(10,12,8,.55) 45%, rgba(10,12,8,.2) 100%);
}
.hero-inner{
  position:relative; z-index:1;
  max-width:760px;
  padding:110px 28px 64px;
}
.hero-eyebrow{
  color:var(--accent);
  font-family:'Oswald', Arial, sans-serif;
  font-size:15px;
  letter-spacing:.5px;
  margin-bottom:14px;
}
.hero h1{
  color:#fff;
  font-size:clamp(34px,5.4vw,58px);
  line-height:1.05;
  margin-bottom:.35em;
}
.hero p{
  color:#dfe4dd;
  font-size:19px;
  max-width:560px;
  margin-bottom:26px;
}
.btn{
  display:inline-block;
  background:var(--accent);
  color:#0a0c07;
  font-family:'Oswald', Arial, sans-serif;
  font-size:15px; letter-spacing:.4px;
  padding:13px 26px;
  text-decoration:none;
  border:2px solid var(--accent);
}
.btn:hover{ background:transparent; color:#fff; }
.btn-outline{
  background:transparent; color:#fff; border-color:#fff;
}
.btn-outline:hover{ background:#fff; color:var(--ink); }

/* ---------- section scaffolding ---------- */
section{ padding:78px 0; }
.section-alt{ background:var(--bg-alt); }
.section-dark{ background:var(--panel-dark); color:#dfe4dd; }
.section-dark h2, .section-dark h3{ color:#fff; }
.section-head{ max-width:640px; margin-bottom:44px; }
.section-tag{
  color:var(--accent-deep);
  font-family:'Oswald', Arial, sans-serif;
  font-size:14px; letter-spacing:.4px;
  margin-bottom:8px;
}
.section-dark .section-tag{ color:var(--accent); }
.section-head h2{ font-size:clamp(26px,3vw,36px); }
.section-head p{ color:var(--ink-soft); font-size:17px; }
.section-dark .section-head p{ color:#c3c9bd; }

/* ---------- three pillars (home) ---------- */
.pillars{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:5px;
  background:var(--bg);
}
.pillar{
  position:relative;
  min-height:420px;
  background:#000 center/cover no-repeat;
  color:#fff;
  text-decoration:none;
  display:flex; align-items:flex-end;
  overflow:hidden;
}
.pillar::before{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(0deg, rgba(8,10,6,.88) 0%, rgba(8,10,6,.15) 60%);
  transition:background .25s ease;
}
.pillar:hover::before{ background:linear-gradient(0deg, rgba(8,10,6,.94) 0%, rgba(8,10,6,.35) 60%); }
.pillar-label{
  position:relative; z-index:1;
  padding:26px;
  width:100%;
}
.pillar-label .k{
  font-family:'Oswald', Arial, sans-serif;
  font-size:21px; letter-spacing:.3px;
}
.pillar-label .arrow{
  display:inline-block; margin-left:6px; color:var(--accent);
  transition:transform .2s ease;
}
.pillar:hover .arrow{ transform:translateX(5px); }

/* ---------- spec list (services) ---------- */
.spec-groups{ display:grid; grid-template-columns:1fr 1fr; gap:50px; }
.spec-group h3{
  font-size:22px; color:var(--accent-deep);
  border-bottom:2px solid var(--line);
  padding-bottom:10px; margin-bottom:6px;
}
.spec-item{
  border-left:3px solid var(--accent);
  padding:16px 0 16px 20px;
  border-bottom:1px solid var(--line);
}
.spec-item h4{ font-size:18px; margin-bottom:4px; }
.spec-item p{ margin:0; color:var(--ink-soft); font-size:15px; }
.spec-item a{ font-size:14px; }

/* ---------- project case-study cards ---------- */
.project-category{
  font-size:15px;
  font-family:'Oswald', Arial, sans-serif;
  letter-spacing:.4px;
  color:var(--accent-deep);
  border-bottom:2px solid var(--line);
  padding-bottom:10px;
  margin:52px 0 24px;
}
.project-category:first-of-type{ margin-top:0; }
.project-cards{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(260px,1fr));
  gap:24px;
}
.project-card{
  background:#fff;
  border:1px solid var(--line);
}
.project-card img,
.project-photo-placeholder{
  width:100%; height:160px; object-fit:cover;
}
.project-photo-placeholder{
  display:flex; align-items:center; justify-content:center;
  text-align:center; background:var(--bg-alt);
  color:var(--ink-soft); font-size:13px; line-height:1.4;
}
.project-body{ padding:16px 18px 20px; }
.project-card h3{ font-size:16px; margin-bottom:6px; }
.project-card p{ font-size:14px; color:var(--ink-soft); margin:0 0 10px; }
.project-card a{ font-size:13px; font-weight:600; text-decoration:none; }
.project-card a:hover{ text-decoration:underline; }

/* ---------- contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:50px; align-items:start; }
.contact-list{ list-style:none; margin:0; padding:0; }
.contact-list li{ padding:14px 0; border-bottom:1px solid rgba(255,255,255,.14); }
.contact-list .k{
  display:block; font-family:'Oswald', Arial, sans-serif;
  color:var(--accent); font-size:13px; letter-spacing:.4px; margin-bottom:3px;
}
.contact-list a{ color:#fff; text-decoration:none; font-size:19px; }
.contact-list a:hover{ color:var(--accent); }
.map-frame{ border:0; width:100%; height:340px; filter:grayscale(.3); }

/* ---------- footer ---------- */
.site-footer{
  background:var(--panel-dark-2);
  color:#8b9184;
  padding:34px 0 26px;
  font-size:14px;
}
.site-footer .wrap{
  display:flex; justify-content:space-between; align-items:flex-start;
  flex-wrap:wrap; gap:24px;
}
.site-footer .accent{ color:var(--accent); }
.footer-brand{ max-width:280px; }
.footer-name{ margin-bottom:6px; }
.footer-copy{ font-size:12px; color:#5f6459; }
.footer-contact{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:6px; }
.footer-contact a{ color:#8b9184; text-decoration:none; }
.footer-contact a:hover{ color:var(--accent); }
.footer-links{ display:flex; align-items:center; gap:16px; }
.footer-links a{ color:#8b9184; text-decoration:none; }
.footer-links a:hover{ color:var(--accent); }
.footer-social{
  display:inline-flex; align-items:center; justify-content:center;
  width:30px; height:30px; border-radius:50%;
  border:1px solid rgba(255,255,255,.22); color:#8b9184;
}
.footer-social:hover{ color:var(--accent); border-color:var(--accent); }

/* ---------- responsive ---------- */
@media (max-width: 900px){
  .pillars{ grid-template-columns:1fr; }
  .spec-groups{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .site-nav ul{ gap:0; }
  .site-nav a{ padding:10px 12px; font-size:14px; }
}
@media (max-width: 620px){
  .site-header .logo span{ display:none; }
  .hero{ min-height:64vh; }
  section{ padding:56px 0; }
  .lang-switch{ padding-left:10px; gap:5px; }
  .site-footer .wrap{ flex-direction:column; gap:18px; }
}


/* ---------- mobile nav (menu) ---------- */
.site-header .logo{ flex-shrink:0; }
.nav-toggle{
  align-items:center; justify-content:center;
  width:40px; height:40px;
  background:none; border:0; padding:0; cursor:pointer;
  flex-shrink:0;
}
.nav-toggle span{
  position:relative;
  display:block; width:22px; height:2px; background:#fff;
  transition:background .2s ease;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:""; position:absolute; left:0;
  width:22px; height:2px; background:#fff;
  transition:transform .2s ease, top .2s ease;
}
.nav-toggle span::before{ top:-7px; }
.nav-toggle span::after{ top:7px; }
.nav-toggle[aria-expanded="true"] span{ background:transparent; }
.nav-toggle[aria-expanded="true"] span::before{ top:0; transform:rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after{ top:0; transform:rotate(-45deg); }

@media (max-width: 900px){
  .site-header .rail.mid{ display:none; }
  .nav-toggle{ display:flex; }
  .nav-group{
    position:fixed; top:76px; left:0; right:0;
    flex-direction:column; align-items:stretch; gap:0;
    background:var(--panel-dark);
    border-bottom:2px solid var(--accent);
    max-height:0; overflow:hidden;
    transition:max-height .25s ease;
  }
  .nav-group.is-open{ max-height:80vh; overflow-y:auto; }
  .site-nav{ width:100%; }
  .site-nav ul{ flex-direction:column; gap:0; width:100%; }
  .site-nav a{ padding:16px 28px; border-top:1px solid rgba(255,255,255,.08); }
  .site-nav a.current::before,
  .site-nav a.current::after{ display:none; }
  .lang-switch{
    padding:16px 28px; margin:0; border-left:0;
    border-top:1px solid rgba(255,255,255,.08);
    justify-content:flex-start;
  }
}