/* ===== APLACO a.s. — engineering monochrome ===== */
:root{
  --ink:#1c1f24;          /* grafitová (zesvětleno) */
  --ink-2:#242830;
  --panel:#2c313a;
  --line:#3c4250;
  --line-soft:#30353f;
  --fog:#a7adb8;          /* sekundární text */
  --fog-2:#767d8a;
  --paper:#f3f5f7;        /* světlý text */
  --white:#ffffff;
  --steel:#3a7fd0;        /* brand modrá z loga */
  --steel-soft:#5e9ae0;
  --r:2px;
  --wrap:1240px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:'Archivo',system-ui,sans-serif;
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}

/* selection */
::selection{background:var(--steel);color:#fff}

/* ===== EYEBROW / SECTION HEAD ===== */
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--steel-soft);margin-bottom:18px;
}
.eyebrow--light{color:var(--steel-soft)}
.sec-head{max-width:760px;margin-bottom:54px}
.sec-head--row{display:flex;justify-content:space-between;align-items:end;gap:24px;max-width:none}
.sec-title{
  font-size:clamp(1.9rem,4vw,3.2rem);
  font-weight:800;line-height:1.04;letter-spacing:-.02em;
}
.sec-sub{color:var(--fog);margin-top:18px;font-size:1.05rem;max-width:60ch}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'Archivo Narrow',sans-serif;
  font-weight:600;font-size:.95rem;letter-spacing:.06em;text-transform:uppercase;
  padding:15px 30px;border:1px solid transparent;border-radius:var(--r);
  cursor:pointer;transition:.3s var(--ease);
}
.btn--solid{background:var(--steel);color:#fff}
.btn--solid:hover{background:var(--steel-soft);transform:translateY(-2px)}
.btn--ghost{border-color:var(--line);color:var(--paper)}
.btn--ghost:hover{border-color:var(--paper);background:rgba(255,255,255,.04)}
.btn--full{width:100%;justify-content:center}

/* ===== NAV ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:.4s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(28,31,36,.85);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line-soft);
}
.nav__inner{
  max-width:var(--wrap);margin:0 auto;padding:16px 28px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav__brand{display:flex;align-items:center;gap:12px}
.nav__logo{width:30px;height:auto}
.nav__name{font-weight:800;font-size:1.18rem;letter-spacing:.04em}
.nav__as{color:var(--fog);font-weight:500;font-size:.78rem;margin-left:5px;vertical-align:super}
.nav__links{display:flex;align-items:center;gap:34px}
.nav__links a{
  font-family:'Archivo Narrow',sans-serif;font-size:.95rem;
  letter-spacing:.04em;color:var(--fog);transition:.25s;position:relative;
}
.nav__links a:not(.nav__cta):hover{color:var(--paper)}
.nav__links a:not(.nav__cta)::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;
  background:var(--steel-soft);transition:.3s var(--ease);
}
.nav__links a:not(.nav__cta):hover::after{width:100%}
.nav__cta{
  border:1px solid var(--line);padding:9px 20px;border-radius:var(--r);
  color:var(--paper)!important;
}
.nav__cta:hover{border-color:var(--steel);background:var(--steel)}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__burger span{width:24px;height:2px;background:var(--paper);transition:.3s}
.nav__burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger.open span:nth-child(2){opacity:0}
.nav__burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-menu{
  position:fixed;inset:0 0 0 auto;width:min(82vw,360px);z-index:55;
  background:var(--ink-2);border-left:1px solid var(--line);
  transform:translateX(100%);transition:.45s var(--ease);
  display:flex;flex-direction:column;justify-content:center;gap:8px;padding:40px;
}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu a{
  font-size:1.5rem;font-weight:700;padding:12px 0;border-bottom:1px solid var(--line-soft);
  color:var(--paper);transition:.25s;
}
.mobile-menu a:hover{color:var(--steel-soft);padding-left:10px}

/* ===== HERO ===== */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:140px 0 180px;overflow:hidden;
}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__img{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(1) contrast(1.03) brightness(.85);
}
.hero__veil{
  position:absolute;inset:0;
  background:
    linear-gradient(to right,rgba(28,31,36,.92) 0%,rgba(28,31,36,.6) 45%,rgba(28,31,36,.18) 100%),
    linear-gradient(to top,var(--ink) 2%,transparent 42%);
}
.hero__grid{
  position:absolute;inset:0;opacity:.5;
  background-image:
    linear-gradient(var(--line-soft) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 30% 50%,#000,transparent 75%);
          mask-image:radial-gradient(circle at 30% 50%,#000,transparent 75%);
}
.hero__content{position:relative;z-index:2;max-width:var(--wrap);margin:0 auto;padding:0 28px;width:100%}
.hero__title{
  font-size:clamp(3.2rem,11vw,9rem);font-weight:900;line-height:.92;
  letter-spacing:-.03em;margin:8px 0 0;
}
.hero__title span{display:block}
.hero__title span:last-child{color:transparent;-webkit-text-stroke:1.5px var(--paper)}
.hero__lede{max-width:46ch;margin:30px 0 38px;color:var(--paper);font-size:1.15rem;opacity:.92}
.hero__actions{display:flex;gap:16px;flex-wrap:wrap}

.acronym{
  position:absolute;right:28px;bottom:120px;z-index:2;
  display:flex;flex-direction:column;gap:14px;align-items:flex-end;text-align:right;
  font-family:'Archivo Narrow',sans-serif;
}
.acronym__item{
  font-size:1.05rem;letter-spacing:.1em;color:var(--fog);text-transform:lowercase;
  border-right:2px solid var(--steel);padding-right:16px;
}
.acronym__item b{color:var(--paper);font-weight:800;text-transform:uppercase;letter-spacing:.06em}
.hero__coords{
  position:absolute;left:28px;bottom:46px;z-index:2;
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.18em;color:var(--fog-2);
}

/* ===== INTRO / METRICS ===== */
.intro{padding:110px 0;border-bottom:1px solid var(--line-soft)}
.intro__lead{max-width:900px;margin-bottom:64px}
.intro__h{font-size:clamp(1.6rem,3.6vw,2.7rem);font-weight:700;line-height:1.18;letter-spacing:-.015em}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.metric{background:var(--ink);padding:34px 26px;display:flex;flex-direction:column;gap:12px}
.metric__num{font-size:clamp(2.2rem,4vw,3.1rem);font-weight:800;letter-spacing:-.02em;line-height:1}
.metric__num i{font-style:normal;font-size:.42em;color:var(--steel-soft);margin-left:4px;font-weight:600}
.metric__lbl{font-size:.85rem;color:var(--fog);font-family:'Archivo Narrow',sans-serif;letter-spacing:.02em}

/* ===== PROJECTS ===== */
.projects{padding:110px 0}
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.proj--wide{grid-column:span 3}
.proj__link{display:block;height:100%}
.proj{border:1px solid var(--line-soft);background:var(--ink-2);border-radius:var(--r);overflow:hidden;transition:.4s var(--ease)}
.proj:hover{border-color:var(--line);transform:translateY(-4px)}
.proj__img{overflow:hidden;aspect-ratio:4/3;background:var(--panel)}
.proj--wide .proj__img{aspect-ratio:21/9}
.proj__img img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.02) brightness(1.04);transition:1s var(--ease),filter .6s}
.proj:hover .proj__img img{transform:scale(1.05);filter:grayscale(1) contrast(1.05) brightness(1.12)}
.proj__body{padding:26px 26px 30px}
.proj--wide .proj__body{max-width:620px}
.proj__tag{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--steel-soft)}
.proj__name{font-size:1.4rem;font-weight:800;margin:12px 0 10px;letter-spacing:-.01em}
.proj--wide .proj__name{font-size:1.9rem}
.proj__desc{color:var(--fog);font-size:.96rem}

/* ===== ONGOING / TIMELINE ===== */
.ongoing{padding:100px 0;background:var(--ink-2);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.timeline{list-style:none;margin-top:50px;border-top:1px solid var(--line)}
.timeline__item{
  display:grid;grid-template-columns:180px 1fr;gap:34px;align-items:start;
  padding:32px 0;border-bottom:1px solid var(--line);transition:.3s;
}
.timeline__item:hover{padding-left:10px;background:linear-gradient(90deg,rgba(47,111,191,.06),transparent)}
.timeline__year{font-family:'IBM Plex Mono',monospace;font-size:1.05rem;color:var(--steel-soft);letter-spacing:.06em;padding-top:4px}
.timeline__item h3{font-size:1.3rem;font-weight:700;margin-bottom:8px}
.timeline__item p{color:var(--fog);max-width:62ch}

/* ===== APPROACH ===== */
.approach{padding:110px 0}
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft)}
.pillar{background:var(--ink);padding:40px 30px 46px;transition:.35s var(--ease);position:relative}
.pillar:hover{background:var(--ink-2)}
.pillar__no{font-family:'IBM Plex Mono',monospace;font-size:.9rem;color:var(--fog-2);letter-spacing:.1em}
.pillar h3{font-size:1.35rem;font-weight:800;margin:22px 0 14px;letter-spacing:-.01em}
.pillar p{color:var(--fog);font-size:.96rem}
.pillar::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--steel);transition:.4s var(--ease)}
.pillar:hover::after{width:100%}

/* ===== SERVICES / TDD ===== */
.services{padding:110px 0;background:var(--ink-2);border-top:1px solid var(--line-soft)}
.tdd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:30px}
.tdd{border:1px solid var(--line-soft);border-radius:var(--r);padding:34px 30px;background:var(--ink);transition:.35s}
.tdd:hover{border-color:var(--steel);transform:translateY(-3px)}
.tdd h3{font-size:1.45rem;font-weight:800}
.tdd__loc{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel-soft);margin:8px 0 16px}
.tdd p{color:var(--fog);font-size:.95rem}
.tdd-map{border:1px solid var(--line-soft);border-radius:var(--r);padding:34px 30px}
.tdd-map__list{list-style:none;display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}
.tdd-map__list li{
  font-family:'Archivo Narrow',sans-serif;font-size:1.05rem;color:var(--paper);
  border:1px solid var(--line);border-radius:var(--r);padding:10px 18px;display:flex;gap:10px;align-items:center;
}
.tdd-map__list span{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--steel-soft);letter-spacing:.1em}

/* ===== ABOUT ===== */
.about{padding:120px 0}
.about__wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:64px;align-items:center}
.about__media{position:relative;border-radius:var(--r);overflow:hidden}
.about__media img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.02) brightness(1.05);aspect-ratio:4/5}
.about__cap{
  position:absolute;left:20px;bottom:18px;font-family:'IBM Plex Mono',monospace;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--paper);
  background:rgba(28,31,36,.72);padding:8px 14px;backdrop-filter:blur(6px);
}
.about__text .sec-title{font-size:clamp(1.5rem,2.8vw,2.2rem);margin-bottom:22px}
.about__text p{color:var(--fog);margin-bottom:18px;font-size:1.05rem}

/* ===== CERTS ===== */
.certs{padding:100px 0;background:var(--ink-2);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:880px}
.cert{display:flex;gap:26px;align-items:center;border:1px solid var(--line-soft);border-radius:var(--r);padding:30px 32px;background:var(--ink);transition:.3s}
.cert:hover{border-color:var(--steel)}
.cert__logo{width:78px;height:78px;object-fit:contain;flex-shrink:0;background:#fff;border-radius:var(--r);padding:8px}
.cert h3{font-size:1.2rem;font-weight:800}
.cert__id{font-family:'IBM Plex Mono',monospace;font-size:.82rem;color:var(--steel-soft);letter-spacing:.06em;margin:4px 0}
.cert p:last-child{color:var(--fog);font-size:.95rem}

/* ===== PARTNERS / CSR ===== */
.partners{padding:90px 0}
.partners__wrap{display:grid;grid-template-columns:1fr 1.3fr;gap:60px}
.partners__list{list-style:none;margin-top:6px}
.partners__list li a{display:flex;flex-direction:column;gap:3px;padding:18px 0;border-bottom:1px solid var(--line-soft);transition:.25s}
.partners__list li a:hover{padding-left:10px;color:var(--steel-soft)}
.partners__list li a{font-size:1.18rem;font-weight:700}
.partners__list span{font-size:.86rem;color:var(--fog);font-weight:400}
.partners__list--csr li a{font-size:1.02rem;font-weight:600}
.partners__csr{color:var(--fog);margin:6px 0 22px;max-width:56ch}

/* ===== CONTACT ===== */
.contact{padding:120px 0 100px;position:relative}
.contact__head{max-width:640px;margin-bottom:56px}
.contact__title{font-size:clamp(2.4rem,6vw,4.2rem);font-weight:900;letter-spacing:-.03em;line-height:1}
.contact__lede{color:var(--fog);margin-top:20px;font-size:1.1rem}
.contact__cols{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;margin-bottom:60px}

.cform label{display:block;font-family:'Archivo Narrow',sans-serif;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--fog);margin-bottom:18px}
.cform__row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cform input,.cform textarea{
  width:100%;margin-top:8px;background:var(--ink-2);border:1px solid var(--line);
  border-radius:var(--r);padding:14px 16px;color:var(--paper);
  font-family:'Archivo',sans-serif;font-size:1rem;letter-spacing:0;text-transform:none;
  transition:.25s;
}
.cform input::placeholder,.cform textarea::placeholder{color:var(--fog-2)}
.cform input:focus,.cform textarea:focus{outline:none;border-color:var(--steel);background:var(--ink)}
.cform textarea{resize:vertical}
.cform__note{font-family:'Archivo',sans-serif;text-transform:none;letter-spacing:0;color:var(--fog-2);font-size:.85rem;margin-top:14px}

.cinfo{display:flex;flex-direction:column;gap:30px}
.cinfo__lbl{display:block;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--fog-2);margin-bottom:8px}
.cinfo__big{font-size:1.5rem;font-weight:800;letter-spacing:-.01em;transition:.25s}
.cinfo__big:hover{color:var(--steel-soft)}
.cinfo__grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 20px;border-top:1px solid var(--line-soft);padding-top:30px}
.cinfo__grid p{color:var(--paper);font-size:.98rem}
.contact__map{border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.contact__map iframe{display:block;filter:grayscale(1) invert(.92) contrast(.9)}

/* ===== FOOTER ===== */
.footer{padding:50px 0;border-top:1px solid var(--line-soft);background:var(--ink-2)}
.footer__wrap{display:flex;flex-direction:column;gap:14px;align-items:center;text-align:center}
.footer__brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.1rem;letter-spacing:.04em}
.footer__logo{width:26px}
.footer__addr{color:var(--fog);font-size:.88rem;max-width:80ch}
.footer__copy{color:var(--fog-2);font-size:.82rem;font-family:'IBM Plex Mono',monospace;letter-spacing:.08em}

/* ===== TO TOP ===== */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:50;
  width:46px;height:46px;display:grid;place-items:center;
  background:var(--steel);color:#fff;border-radius:var(--r);font-size:1.2rem;
  opacity:0;transform:translateY(12px);pointer-events:none;transition:.35s var(--ease);
}
.to-top.show{opacity:1;transform:translateY(0);pointer-events:auto}
.to-top:hover{background:var(--steel-soft)}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(28px);transition:.8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== RESPONSIVE ===== */
@media(max-width:980px){
  .proj-grid,.tdd-grid{grid-template-columns:repeat(2,1fr)}
  .proj--wide{grid-column:span 2}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .pillars{grid-template-columns:repeat(2,1fr)}
  .about__wrap,.partners__wrap,.contact__cols{grid-template-columns:1fr;gap:40px}
  .about__media img{aspect-ratio:16/10}
  .acronym{display:none}
}
@media(max-width:680px){
  .wrap{padding:0 20px}
  .nav__links{display:none}
  .nav__burger{display:flex}
  .hero{padding:120px 0 90px;min-height:auto}
  .hero__title{font-size:clamp(2.3rem,12vw,4rem);line-height:.96}
  .hero__title span:last-child{-webkit-text-stroke:1px var(--paper)}
  .hero__veil{background:linear-gradient(to top,var(--ink) 6%,rgba(28,31,36,.45) 60%,rgba(28,31,36,.2) 100%)}
  .proj-grid,.tdd-grid,.cert-grid{grid-template-columns:1fr}
  .proj--wide{grid-column:span 1}
  .proj--wide .proj__img{aspect-ratio:16/10}
  .metrics{grid-template-columns:1fr 1fr}
  .pillars{grid-template-columns:1fr}
  .timeline__item{grid-template-columns:1fr;gap:8px}
  .cform__row,.cinfo__grid{grid-template-columns:1fr}
  .cert{flex-direction:column;text-align:center;gap:16px}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important;transition:none}
  .proj__img img,.pillar,.btn{transition:none}
}