/* ==========================================================================
   ERGON d.o.o. — style.css
   Autor: Apis Development · apisdevelopment.com
   --------------------------------------------------------------------------
   SADRŽAJ
   01. Brend i tokeni          07. Katalog
   02. Reset i osnove          08. Sekcije sadržaja
   03. Tipografija             09. Forma
   04. Zaglavlje i navigacija  10. Podnožje
   05. Dugmad i linkovi        11. Plutajući sloj (AI + back-to-top)
   06. Hero                    12. Animacije i responsive
   ========================================================================== */

/* ============================ 01. BREND I TOKENI ========================= */
/*  >>> BRENDIRANJE: ako se hex vrednosti iz logotipa razlikuju, menjaju se
        ISKLJUČIVO ove dve linije. Sve ostalo na sajtu se povlači iz njih.   */
:root {
  --brand-green: #229B07;   /* ERGON zelena — uzorkovana iz ergon-logo.png   */
  --brand-blue:  #0B4F8C;   /* ERGON plava — NEMA je u logotipu, zadržana    */

  /* izvedene nijanse */
  --green-700: #16640A;
  --green-600: #1C7F08;
  --green-400: #45BE2B;
  --green-300: #7FD86A;

  /*  Markna zelena (#229B07) je tačna boja iz logotipa i koristi se za površine,
      linije i ikonice. Kao TEKST na svetloj podlozi daje 3.1:1 i pada WCAG AA,
      a ispod belog teksta 3.65:1 — takođe pada. Zato dve izvedene nijanse:      */
  --green-text: #16640A;   /* zelena kao tekst na svetlom — 6.24:1 ✓            */
  --green-cta:  #1C7F08;   /* zelena kao podloga ispod belog teksta — 5.14:1 ✓  */
  --blue-800:  #06305A;
  --blue-700:  #083F71;
  --blue-400:  #2E7FC2;

  /* neutralne — "obrađeni aluminijum" */
  --paper:     #ECEDE9;
  --paper-2:   #F6F7F4;
  --paper-3:   #E0E2DC;
  --line:      #CFD2CB;
  --line-2:    #DDE0D9;

  /* neutralne — "mašinska sala" */
  --ink:       #0E1417;
  --ink-2:     #161E22;
  --ink-3:     #202B31;
  --ink-line:  rgba(255,255,255,.10);
  --ink-line-2:rgba(255,255,255,.18);

  --text:      #131A1D;
  --text-2:    #4A565B;
  --text-3:    #5E6B71;   /* bilo #78868C — 3.2:1, palo AA */
  --text-inv:  #E9EEF0;
  --text-inv-2:#9FAFB6;

  /* tipografija */
  /* Saira = kvadratni industrijski grotesk (Eurostile/Microgramma porodica),
     ista DNK kao natpis u logotipu. Osa wdth 50–125 — naslovi idu ŠIRE od 100. */
  --f-display: "Saira", "Arial Narrow", system-ui, sans-serif;
  --f-body:    "Barlow", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --f-mono:    "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* skala */
  --step--2: clamp(.688rem, .66rem + .12vw, .75rem);
  --step--1: clamp(.8rem, .77rem + .15vw, .875rem);
  --step-0:  clamp(.95rem, .92rem + .18vw, 1.0625rem);
  --step-1:  clamp(1.1rem, 1.03rem + .35vw, 1.35rem);
  --step-2:  clamp(1.35rem, 1.2rem + .75vw, 1.85rem);
  --step-3:  clamp(1.7rem, 1.4rem + 1.5vw, 2.7rem);
  /* Saira na wdth 112 je osetno šira od Archivo na wdth 88 — vrh skale spušten
     da naslovi ne prelivaju na 390px. */
  --step-4:  clamp(1.9rem, 1.45rem + 2.3vw, 3.6rem);
  --step-5:  clamp(2.25rem, 1.5rem + 3.9vw, 5.2rem);

  /* prostor i geometrija */
  --gut: clamp(1.15rem, 4vw, 3.5rem);
  --maxw: 1320px;
  --sec-y: clamp(4rem, 9vw, 9rem);
  --r: 0;                /* bez zaobljenja — sve je pravougaono */
  --r-lg: 0;
  --hdr-h: 76px;

  /* kretanje */
  --e-out: cubic-bezier(.16,1,.3,1);
  --e-in-out: cubic-bezier(.65,0,.35,1);
  --t-fast: .22s var(--e-out);
  --t: .45s var(--e-out);
  --t-slow: .9s var(--e-out);
}

/* ============================ 02. RESET I OSNOVE ========================= */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--hdr-h) + 16px);
}

body {
  font-family: var(--f-body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  font-feature-settings: "kern" 1, "liga" 1, "tnum" 0;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

::selection { background: var(--brand-green); color: #fff; }

:focus-visible {
  outline: 2px solid var(--brand-green);
  outline-offset: 3px;
}

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: #fff; padding: .8rem 1.2rem;
}
.skip:focus { left: 8px; top: 8px; }
.vh {
  position: absolute !important; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* mrežasta „nacrtna“ podloga */
.grid-bg { position: relative; isolation: isolate; }
.grid-bg::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(19,26,29,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(19,26,29,.055) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 25%, transparent 78%);
}
.sec--dark .grid-bg::before,
.grid-bg--dark::before {
  background-image:
    linear-gradient(to right, rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.055) 1px, transparent 1px);
}

/* skenirajuće linije preko postojećeg zrna — 1px na 3px koraka, jedva vidljivo */
.scan { position: relative; isolation: isolate; }
.scan::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: repeating-linear-gradient(180deg,
    rgba(255,255,255,.02) 0 1px, transparent 1px 3px);
}
.scan > .wrap, .scan > .marq { position: relative; z-index: 2; }

/* prelaz svetlo → tamno: zelena vlas i crtica u levom oluku, ne tvrd rez */
.sec--dark { border-top: 1px solid rgba(34,155,7,.5); }
.sec--dark > .wrap { position: relative; }
.sec--dark > .wrap::before {
  content: ""; position: absolute; top: 0; left: var(--gut); width: 1px; height: 24px;
  background: var(--brand-green);
}

/* zrnasta tekstura (SVG noise, bez slike) */
.noise::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  opacity: .5; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.32'/%3E%3C/svg%3E");
}

/* ============================= 03. TIPOGRAFIJA =========================== */
h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 700;
  line-height: .95;
  letter-spacing: -.015em;
  text-wrap: balance;
}
h1 { font-size: var(--step-5); font-variation-settings: "wdth" 112, "wght" 700; }
h2 { font-size: var(--step-4); font-variation-settings: "wdth" 110, "wght" 700; }
h3 { font-size: var(--step-2); font-variation-settings: "wdth" 106, "wght" 600; line-height: 1.08; }
h4 { font-size: var(--step-1); font-variation-settings: "wdth" 104, "wght" 600; line-height: 1.18; letter-spacing: -.008em; }

/* svi brojevi tabelarno — DN/PN, oznake, brojači */
.data, .stat__n, .tag, .item__code, .modal__spec b, .ticker__item, .spec-tbl {
  font-variant-numeric: tabular-nums;
}

p { text-wrap: pretty; }
.lead { font-size: var(--step-1); line-height: 1.5; color: var(--text-2); max-width: 62ch; }
.sec--dark .lead { color: var(--text-inv-2); }

/* oznaka sekcije: kod → naslov */
.eyebrow {
  font-family: var(--f-mono);
  font-size: var(--step--2);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--green-text);
  display: inline-flex; align-items: center; gap: .6rem;
  margin-bottom: 1.1rem;
}
.sec--dark .eyebrow, .hero .eyebrow, .cta .eyebrow { color: var(--green-400); }
.eyebrow::before {
  content: ""; width: 26px; height: 1px; background: currentColor;
  transform-origin: left; transform: scaleX(0);
  transition: transform .7s var(--e-out) .1s;
}
.is-in .eyebrow::before { transform: scaleX(1); }

.sec-head { max-width: 74ch; margin-bottom: clamp(2rem, 4vw, 3.6rem); }
.sec-head .lead { margin-top: 1.15rem; }

/* dvokolonsko tehničko zaglavlje sekcije: indeks + podatak | naslov */
.sec-head--tech { max-width: none; display: grid; gap: 1.1rem; }
@media (min-width: 900px) {
  .sec-head--tech { grid-template-columns: 12.5rem 1fr; gap: clamp(2rem,5vw,4rem); }
}
.sec-head__l { display: grid; gap: .7rem; align-content: start; }
.sec-head__idx, .sec-head__d {
  font-family: var(--f-mono); font-size: var(--step--2);
  letter-spacing: .16em; text-transform: uppercase;
}
.sec-head__idx { color: var(--green-text); }
.sec--dark .sec-head__idx { color: var(--green-400); }
.sec-head__d { color: var(--text-3); }
.sec--dark .sec-head__d { color: var(--text-inv-2); }
.sec-head__r > .lead { margin-top: 1.15rem; }
.sec-head--flush { margin-bottom: 0; }

/* ugaone zagrade — okvir umesto ivice sa sve četiri strane */
.brk { position: relative; }
.brk::before, .brk::after {
  content: ""; position: absolute; width: 12px; height: 12px; pointer-events: none;
  border: 0 solid var(--brand-green); z-index: 4;
}
.brk::before { top: -1px; left: -1px; border-top-width: 1px; border-left-width: 1px; }
.brk::after { bottom: -1px; right: -1px; border-bottom-width: 1px; border-right-width: 1px; }

/* tehnička šina u levoj margini — samo na širokim ekranima */
.rail { display: none; }
@media (min-width: 1200px) {
  .rail {
    display: block; position: absolute; top: 0; z-index: 5; width: 1px;
    left: max(1.1rem, calc((100vw - var(--maxw)) / 2 - 2.2rem));
    background: var(--line);
    pointer-events: none;
  }
  /* crtice na svakih 96px — jedan gradijent umesto ~250 čvorova u DOM-u */
  .rail::before {
    content: ""; position: absolute; left: -3px; top: 0; bottom: 0; width: 7px;
    background-image: linear-gradient(var(--text-3) 1px, transparent 1px);
    background-size: 7px 96px;
  }
  .rail__i {
    position: absolute; left: 7px; transform: translateY(-.5em);
    font-family: var(--f-mono); font-size: .58rem; letter-spacing: .16em;
    color: var(--text-2); white-space: nowrap;
  }
}

.rule {
  height: 1px; background: var(--line); border: 0; margin: 0;
  transform-origin: left; transform: scaleX(0);
  transition: transform 1s var(--e-out);
}
.is-in .rule { transform: scaleX(1); }
.sec--dark .rule { background: var(--ink-line-2); }

/* podatkovna (datasheet) linija */
.data { font-family: var(--f-mono); font-size: var(--step--1); font-variant-numeric: tabular-nums; }
.data-key { color: var(--text-3); letter-spacing: .06em; text-transform: uppercase; font-size: var(--step--2); }
.sec--dark .data-key { color: var(--text-inv-2); }

/* ==================== 04. ZAGLAVLJE I NAVIGACIJA ========================= */
/*  Na vrhu strane zaglavlje je POTPUNO providno. Ranije je bilo svetlo i
    poluprovidno, pa je na svakoj stranici stajalo kao siva traka preko skoro
    crnog heroja. Posle ~24px skrola prelazi u skoro crnu traku sa vlasi.      */
.hdr {
  position: fixed; inset: 0 0 auto 0; z-index: 90;
  height: var(--hdr-h);
  display: flex; align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: height var(--t), background var(--t), border-color var(--t),
              backdrop-filter var(--t);
}
.hdr.is-stuck {
  height: 62px;
  background: rgba(14,20,23,.88);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border-bottom-color: rgba(255,255,255,.12);
}
.hdr__in { display: flex; align-items: center; gap: clamp(1rem,3vw,2.5rem); width: 100%; }

/* logotip: tamna i svetla varijanta jedna preko druge, menja se po kontekstu.
   Sivi natpis (#777271) na tamnom daje ~3.9:1 i pada AA — otud svetla verzija. */
.brand { display: flex; align-items: center; margin-right: auto; position: relative; }
.brand__logo { height: 32px; width: auto; flex: none; transition: opacity var(--t); }
.brand__logo--light { position: absolute; inset: 0 auto auto 0; }
[data-hero="dark"] .brand__logo--dark  { opacity: 0; }
[data-hero="dark"] .brand__logo--light { opacity: 1; }
.ftr .brand__logo { height: 40px; }

.nav { display: flex; align-items: center; gap: clamp(.4rem, 1.4vw, 1.4rem); }
.nav a {
  font-size: var(--step--1); font-weight: 500; letter-spacing: .01em;
  padding: .55rem .2rem; position: relative; color: var(--text-2);
  transition: color var(--t-fast);
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--brand-green); transform: scaleX(0); transform-origin: right;
  transition: transform .38s var(--e-out);
}
.nav a:hover { color: var(--text); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.nav a[aria-current="page"] { color: var(--text); }

/* navigacija uvek stoji na tamnom (providno zaglavlje ili skoro crna traka) */
[data-hero="dark"] .nav a { color: rgba(255,255,255,.72); }
[data-hero="dark"] .nav a:hover,
[data-hero="dark"] .nav a[aria-current="page"] { color: #fff; }

/* Specifičnost mora da nadjača `.btn { display:inline-flex }`, koje je
   definisano kasnije u fajlu — inače se dugme vidi i na telefonu i gura logo. */
.hdr .hdr__cta { display: none; }
@media (min-width: 1100px) { .hdr .hdr__cta { display: inline-flex; } }

/* traka napretka skrola */
.progress {
  position: fixed; top: 0; left: 0; height: 2px; z-index: 95;
  width: 0%; background: linear-gradient(90deg, var(--brand-blue), var(--brand-green));
  transition: width .1s linear;
}

/* mobilni meni */
.burger {
  width: 44px; height: 44px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: var(--r); background: rgba(255,255,255,.4);
}
[data-hero="dark"] .burger { border-color: rgba(255,255,255,.24); background: rgba(255,255,255,.06); }
[data-hero="dark"] .burger span { background: #fff; }
.burger span { display: block; width: 19px; height: 1.5px; background: var(--ink); transition: transform var(--t), opacity var(--t-fast); }
.burger span + span { margin-top: 5px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
@media (min-width: 1000px) { .burger { display: none; } }

.mnav {
  position: fixed; inset: 0; z-index: 89; background: var(--ink);
  display: grid; align-content: center; padding: 6rem var(--gut) 3rem;
  clip-path: inset(0 0 100% 0); pointer-events: none;
  transition: clip-path .65s var(--e-out);
}
.mnav.is-open { clip-path: inset(0 0 0 0); pointer-events: auto; }
.mnav a {
  font-family: var(--f-display); font-size: clamp(1.9rem, 8vw, 3.2rem);
  font-variation-settings: "wdth" 108, "wght" 700;
  color: var(--text-inv); padding: .32em 0; display: flex; align-items: baseline; gap: 1rem;
  border-bottom: 1px solid var(--ink-line);
  opacity: 0; transform: translateY(24px);
  transition: opacity .5s var(--e-out), transform .5s var(--e-out), color var(--t-fast);
}
.mnav.is-open a { opacity: 1; transform: none; }
.mnav a:hover { color: var(--brand-green); }
.mnav a span { font-family: var(--f-mono); font-size: .8rem; color: var(--brand-green); letter-spacing: .1em; }
.mnav__foot { margin-top: 2.4rem; color: var(--text-inv-2); font-family: var(--f-mono); font-size: var(--step--1); }
.mnav__foot a { font-family: inherit; font-size: inherit; border: 0; padding: 0; display: inline; color: var(--text-inv); }

@media (min-width: 1000px) { .nav--desk { display: flex; } .mnav { display: none; } }
@media (max-width: 999px)  { .nav--desk { display: none; } }

/* ========================= 05. DUGMAD I LINKOVI ========================== */
.btn {
  --bg: var(--green-cta); --fg: #fff; --bd: var(--green-cta);
  position: relative; display: inline-flex; align-items: center; gap: .7rem;
  padding: .95rem 1.6rem; border: 1px solid var(--bd); background: var(--bg); color: var(--fg);
  font-family: var(--f-mono); font-size: var(--step--1); font-weight: 500;
  letter-spacing: .07em; text-transform: uppercase; border-radius: var(--r);
  overflow: hidden; isolation: isolate; transition: color var(--t-fast), border-color var(--t-fast);
}
/* prelaz s leva na desno + zelena linija koja se iscrtava po donjoj ivici */
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: var(--ink);
  transform: translateX(-101%); transition: transform .45s var(--e-out);
}
.btn:hover::before { transform: translateX(0); }
.btn::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: var(--brand-green); transform: scaleX(0); transform-origin: left;
  transition: transform .45s var(--e-out) .1s;
}
.btn:hover::after { transform: scaleX(1); }
.btn:hover { color: #fff; border-color: var(--ink); }
.btn svg { width: 15px; height: 15px; transition: transform var(--t); }
.btn:hover svg { transform: translateX(4px); }

.btn--ghost { --bg: transparent; --fg: var(--text); --bd: var(--line); }
.btn--ghost:hover { color: #fff; }
/* .hero nije .sec--dark, pa je ghost dugme ranije ostajalo skoro crno na
   tamnoj podlozi — nevidljivo. */
.sec--dark .btn--ghost, .hero .btn--ghost, .cta .btn--ghost { --fg: var(--text-inv); --bd: var(--ink-line-2); }
.sec--dark .btn--ghost::before, .hero .btn--ghost::before, .cta .btn--ghost::before { background: var(--green-cta); }
.btn--sm { padding: .7rem 1.15rem; font-size: var(--step--2); }
.btn--wide { width: 100%; justify-content: center; }

.link-u {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--f-mono); font-size: var(--step--1); letter-spacing: .06em;
  text-transform: uppercase; color: var(--green-text);
  padding-bottom: 3px; background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px; background-repeat: no-repeat; background-position: 0 100%;
  transition: background-size .45s var(--e-out);
}
.link-u:hover { background-size: 100% 1px; }

/* ================================ 06. HERO =============================== */
.hero {
  position: relative; background: var(--ink); color: var(--text-inv);
  padding-top: calc(var(--hdr-h) + clamp(2.5rem, 7vw, 6rem));
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
  overflow: hidden; isolation: isolate;
}
/*  Slojevi heroja, odozdo naviše:
      .hero::before    gradijentna osnova           z-index -3
      .hero__bg        fotografije preko celog      z-index -2
      .hero::after     nacrtna mreža                z-index -1
      .wrap            tekst i uokvirena kartica    z-index  1            */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -3;
  background:
    radial-gradient(115% 80% at 78% 12%, rgba(11,79,140,.42), transparent 62%),
    radial-gradient(85% 70% at 12% 88%, rgba(34,155,7,.24), transparent 60%),
    linear-gradient(180deg, #0B1114, var(--ink) 55%, #10181C);
}

/* ---------------- fotografije preko cele sekcije (pozadinski sloj) -------- */
.hero__bg { position: absolute; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.hero__bg picture { display: contents; }
.hero__bg-img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity 1.2s var(--e-in-out);
  /* fotografije su svetli studijski kadrovi na sivom podu — bez ovoga bi
     isprale beli naslov. Bez blura: slika treba da se vidi, ne da bude kaša. */
  filter: grayscale(.45) contrast(1.08) brightness(.78);
  transform: scale(1.04);
}
.hero__bg-img.is-on { opacity: 1; }
.hero__bg-img.is-on { animation: heroKen 7s linear forwards; }
/* smenjivanje težišta uvećanja da ne deluje mehanički */
.hero__bg-img[data-bg="0"] { transform-origin: 30% 40%; }
.hero__bg-img[data-bg="1"] { transform-origin: 70% 55%; }
.hero__bg-img[data-bg="2"] { transform-origin: 45% 35%; }
@keyframes heroKen { from { transform: scale(1.04); } to { transform: scale(1.12); } }

/*  Dva gradijenta se MNOŽE po neprovidnosti: gde je vodoravni .95 a uspravni
    .88, zbir je ~0.99 i slika nestaje. Zato uspravni drži samo krajeve (vrh
    zbog zaglavlja, dno zbog trake sa specifikacijama), a sredinu pušta skroz.  */
.hero__bg-scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(100deg,
      rgba(14,20,23,.98) 0%,
      rgba(14,20,23,.95) 30%,
      rgba(14,20,23,.88) 50%,
      rgba(14,20,23,.46) 70%,
      rgba(14,20,23,.24) 100%),
    linear-gradient(180deg,
      rgba(14,20,23,.70) 0%,
      rgba(14,20,23,0) 18%,
      rgba(14,20,23,0) 70%,
      var(--ink) 100%);
}

@media (max-width: 900px) {
  /* tekst stoji preko sredine slike, pa vodoravni gradijent ne pomaže */
  .hero__bg-scrim {
    background: linear-gradient(180deg,
      rgba(14,20,23,.90) 0%, rgba(14,20,23,.86) 42%, rgba(14,20,23,.80) 72%, var(--ink) 100%);
  }
  .hero__bg-img { filter: grayscale(.55) contrast(1.06) brightness(.72); }
}

@media (prefers-reduced-motion: reduce) {
  /* Selektor mora da nadjača `.hero__bg-img.is-on` (0,2,0) — medijski upit sam
     po sebi ne diže specifičnost, pa je bez ovoga Ken Burns i dalje radio. */
  .hero__bg-img, .hero__bg-img.is-on {
    transition: none; animation: none; transform: none;
  }
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.35) 70%, transparent 100%);
}

.hero__grid {
  display: grid; gap: clamp(2rem, 5vw, 3.5rem);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 960px) { .hero__grid { grid-template-columns: 1.05fr .95fr; gap: clamp(2rem,4vw,4.5rem); } }

/* animacija ose širine — ono što ume samo varijabilni font. 92 → 112. */
.hero h1 {
  color: #fff; margin-bottom: 1.4rem;
  font-variation-settings: "wdth" 92, "wght" 700;
  animation: h1Widen 1.6s var(--e-out) .35s forwards;
}
@keyframes h1Widen {
  from { font-variation-settings: "wdth" 92, "wght" 700; }
  to   { font-variation-settings: "wdth" 112, "wght" 700; }
}
@media (prefers-reduced-motion: reduce) {
  .hero h1 { animation: none; font-variation-settings: "wdth" 112, "wght" 700; }
}

/* otkrivanje naslova po znaku.
   NAZIV: .chsplit, NE .split — .split je već zauzet za dvokolonski raspored
   (display:grid), pa bi svaki znak postao poseban red mreže. */
.chsplit { overflow: visible; }
/* Reč je celina — prelom reda pada samo između reči. Overflow je na reči, uz
   malo prostora dole da se ne odseku podužnice (j, g, p, ć). */
.chsplit__w {
  display: inline-block; white-space: nowrap; overflow: hidden;
  padding-bottom: .14em; margin-bottom: -.14em;
}
.chsplit__c {
  display: inline-block; transform: translateY(105%); opacity: 0;
  transition: transform .62s var(--e-out), opacity .4s linear;
}
.is-in .chsplit__c, .chsplit.is-in .chsplit__c { transform: none; opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .chsplit__c { transform: none !important; opacity: 1 !important; transition: none; }
}

/* paralaks nacrtne mreže — samo transform, bez preračunavanja rasporeda */
.grid-bg::before, .hero::after { transform: translateY(var(--par, 0)); will-change: transform; }
@media (prefers-reduced-motion: reduce) {
  .grid-bg::before, .hero::after { transform: none; }
}
.hero h1 .ln { display: block; overflow: hidden; }
.hero h1 .ln > span {
  display: block; transform: translateY(105%);
  animation: lineUp 1.05s var(--e-out) forwards;
}
.hero h1 .ln:nth-child(2) > span { animation-delay: .1s; }
.hero h1 .ln:nth-child(3) > span { animation-delay: .2s; }
@keyframes lineUp { to { transform: translateY(0); } }

.hero__accent { color: var(--brand-green); }
.hero__lead { color: var(--text-inv-2); max-width: 54ch; font-size: var(--step-1); }
.hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }

.hero__badge {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .16em;
  text-transform: uppercase; color: var(--text-inv-2);
  border: 1px solid var(--ink-line-2);
  padding: .45rem .95rem; margin-bottom: 1.6rem;
}
.dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--brand-green);
  box-shadow: 0 0 0 0 rgba(34,155,7,.6); animation: ping 2.4s infinite;
}
@keyframes ping {
  0%   { box-shadow: 0 0 0 0 rgba(34,155,7,.55); }
  70%  { box-shadow: 0 0 0 9px rgba(34,155,7,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,155,7,0); }
}

/* ------------------- foto baner u heroju unutrašnjih strana --------------- */
.has-banner { position: relative; overflow: hidden; }
.has-banner > .wrap { position: relative; z-index: 2; }
.pbanner {
  position: absolute; inset: 0; z-index: 0;
  /* --pbanner postavlja inline skripta u <head>; bez JS-a ostaje hero-1 */
  background-image: var(--pbanner, url("../assets/img/hero-1-960.webp"));
  background-size: cover; background-position: center;
}
.pbanner::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, var(--ink) 18%, rgba(14,20,23,.72) 62%, rgba(14,20,23,.58));
}
@media (min-width: 900px) {
  .pbanner { inset: 0 0 0 auto; width: 52%; }
  .pbanner::after {
    background: linear-gradient(90deg, var(--ink) 20%, rgba(14,20,23,.55) 70%, transparent);
  }
}
.pbanner__meta {
  position: absolute; right: clamp(1rem,3vw,2rem); bottom: clamp(1rem,3vw,2rem); z-index: 3;
  display: grid; gap: .35rem; justify-items: end; text-align: right;
  font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .16em;
  text-transform: uppercase; color: rgba(255,255,255,.66);
}
.pbanner__meta span:first-child { color: var(--brand-green); }

/* ---------------------------- hero slider (fotografije) ------------------ */
.hs { position: relative; width: 100%; max-width: 620px; margin-inline: auto; }
.hs:focus-visible { outline: 2px solid var(--brand-green); outline-offset: 6px; }
.hs__frame {
  position: relative; aspect-ratio: 16 / 9;   /* rezerviše mesto — bez skoka */
  overflow: hidden; background: var(--ink-2);
}

/* ugaone zagrade umesto pune ivice — tehnički okvir */
.hs__frame::before, .hs__frame::after {
  content: ""; position: absolute; width: 14px; height: 14px; z-index: 3;
  pointer-events: none; border: 0 solid rgba(255,255,255,.55);
}
.hs__frame::before { top: 0; left: 0; border-top-width: 1px; border-left-width: 1px; }
.hs__frame::after { top: 0; right: 0; border-top-width: 1px; border-right-width: 1px; }

.hs__slide {
  position: absolute; inset: 0; margin: 0;
  opacity: 0; transition: opacity 1.1s var(--e-in-out);
}
.hs__slide.is-on { opacity: 1; }
.hs__slide picture, .hs__slide img { width: 100%; height: 100%; display: block; }
.hs__slide img { object-fit: cover; transform: scale(1); }
.hs__slide.is-on img { animation: kenburns 7.6s linear forwards; }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.06); } }

.hs__ticks { position: absolute; right: 12px; bottom: 12px; z-index: 4; display: flex; gap: 8px; }
.tick { width: 34px; height: 14px; display: grid; align-items: center; padding: 0; }
.tick i { display: block; height: 2px; width: 100%; background: rgba(255,255,255,.34); position: relative; }
.tick i::after {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 0; background: var(--brand-green);
}
.tick.is-on i::after { width: 100%; }
.is-playing .tick.is-on i::after { animation: tickWipe 7s linear forwards; }
@keyframes tickWipe { from { width: 0; } to { width: 100%; } }

.hs__readout {
  display: flex; flex-wrap: wrap; gap: 1.2rem; margin-top: .9rem;
  font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-inv-2);
}

@media (prefers-reduced-motion: reduce) {
  .hs__slide { transition: none; }
  .hs__slide.is-on img { animation: none; }
  .is-playing .tick.is-on i::after { animation: none; width: 100%; }
}

/* potpisni element: presek kuglaste slavine (zamenjen sliderom) */
.valve {
  position: relative; width: 100%; max-width: 560px; margin-inline: auto;
  aspect-ratio: 1 / 1;
}
.valve svg { width: 100%; height: 100%; overflow: visible; }
.valve__ring { animation: spin 34s linear infinite; transform-origin: 260px 260px; }
.valve__ring--rev { animation: spin 52s linear infinite reverse; transform-origin: 260px 260px; }
@keyframes spin { to { transform: rotate(360deg); } }
#valveBall { transform-origin: 260px 260px; transition: transform .18s linear; }
.flow-dot { opacity: 0; }

.valve__readout {
  position: absolute; left: 0; bottom: -6px;
  font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .12em;
  color: var(--text-inv-2); text-transform: uppercase;
  display: flex; gap: 1.4rem; flex-wrap: wrap;
}
.valve__readout b { color: var(--brand-green); font-weight: 600; }

/* traka sa specifikacijama ispod heroja */
.ticker {
  position: relative; margin-top: clamp(2.4rem, 5vw, 4rem);
  border-block: 1px solid var(--ink-line); padding-block: .9rem;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker__track { display: flex; width: max-content; animation: marq 38s linear infinite; }
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__item {
  display: inline-flex; align-items: center; gap: .65rem; padding-inline: 1.5rem;
  font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .13em;
  text-transform: uppercase; color: var(--text-inv-2); white-space: nowrap;
}
.ticker__item i { width: 4px; height: 4px; background: var(--brand-green); border-radius: 50%; }
@keyframes marq { to { transform: translateX(-50%); } }

/* brojači */
.stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--ink-line); border: 1px solid var(--ink-line);
  margin-top: clamp(2rem, 4vw, 3rem);
}
@media (min-width: 760px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--ink); padding: clamp(1.1rem,2.5vw,1.7rem); }
.stat__n {
  font-family: var(--f-display); font-variation-settings: "wdth" 106, "wght" 700;
  font-size: clamp(1.9rem, 4.5vw, 3rem); line-height: 1; color: #fff;
  font-variant-numeric: tabular-nums;
}
.stat__n sup { font-size: .42em; vertical-align: super; color: var(--brand-green); margin-left: .12em; }
.stat__l { font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .1em; text-transform: uppercase; color: var(--text-inv-2); margin-top: .55rem; }

/* ============================== 07. KATALOG ============================== */
.sec { padding-block: var(--sec-y); position: relative; }
.sec--tight { padding-block: clamp(3rem, 6vw, 5.5rem); }
.sec--dark { background: var(--ink); color: var(--text-inv); }
.sec--dark h1, .sec--dark h2, .sec--dark h3, .sec--dark h4 { color: #fff; }
.sec--alt { background: var(--paper-2); }

.filters { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 2rem; }
.chip {
  font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .08em;
  text-transform: uppercase; padding: .55rem 1rem; border: 1px solid var(--line);
  color: var(--text-2); background: transparent;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.chip:hover { border-color: var(--text-3); color: var(--text); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }

.search {
  display: flex; align-items: center; gap: .7rem; margin-bottom: 1.4rem;
  border: 1px solid var(--line); border-radius: var(--r); background: var(--paper-2);
  padding: .2rem .2rem .2rem .95rem; max-width: 460px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.search:focus-within { border-color: var(--brand-green); box-shadow: 0 0 0 3px rgba(34,155,7,.14); }
.search input { flex: 1; border: 0; background: none; padding: .8rem 0; outline: none; font-size: var(--step--1); }
.search svg { width: 17px; height: 17px; color: var(--text-3); flex: none; }
.search button { padding: .6rem .8rem; color: var(--text-3); font-family: var(--f-mono); font-size: var(--step--2); }

.cat-grid {
  display: grid; gap: 1px; background: var(--line);
  border: 1px solid var(--line);
  grid-template-columns: 1fr;
}
@media (min-width: 620px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .cat-grid { grid-template-columns: repeat(3, 1fr); } }

/* Kartica = tehnički list: fotografija gore, mono tabela specifikacija dole. */
.card {
  background: var(--paper-2); display: flex; flex-direction: column;
  position: relative; isolation: isolate; overflow: hidden;
  transition: background var(--t-fast);
}
.card::before {
  content: ""; position: absolute; inset: auto 0 0 0; height: 2px; z-index: 3;
  background: var(--brand-green); transform: scaleX(0); transform-origin: left;
  transition: transform .5s var(--e-out);
}
.card:hover { background: #fff; }
.card:hover::before { transform: scaleX(1); }
.card.is-hidden { display: none; }

.card__ph { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-3); }
.card__ph img {
  width: 100%; height: 100%; object-fit: contain; padding: 8%;
  filter: saturate(.9) contrast(1.04);
  transition: filter .5s var(--e-out), transform .7s var(--e-out);
}
.card:hover .card__ph img { filter: saturate(.06) contrast(1.16); transform: scale(1.04); }
.card__ph--none { width: 100%; height: 100%; background: var(--paper-3); }
.card__ph::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(14,20,23,.34), transparent 42%);
}
.card__ph .card__ico {
  position: absolute; top: .75rem; left: .85rem; z-index: 2;
  width: 28px; height: 28px; color: var(--brand-green);
  transition: transform .55s var(--e-out);
}
.card:hover .card__ph .card__ico { transform: translateY(-2px) scale(1.06); }
.card__idx {
  position: absolute; top: .7rem; right: .8rem; z-index: 2;
  font-family: var(--f-mono); font-size: var(--step--2);
  color: #fff; letter-spacing: .1em;
  background: rgba(14,20,23,.82); padding: .15rem .4rem;   /* čip — fotografija
     proizvoda je često bela, pa gola bela oznaka na njoj ne bi bila čitljiva */
}
.card__body { padding: clamp(1.1rem,2.2vw,1.5rem); display: grid; gap: .85rem; }
.card h3 { font-size: var(--step-1); font-variation-settings: "wdth" 108, "wght" 650; }
.card__lead { font-size: var(--step--1); color: var(--text-2); line-height: 1.5; }
.card__specs { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .3rem; }

/* mono tabela specifikacija — redovi se pale sa razmakom od 40 ms */
.spec-tbl { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.spec-tbl > div {
  background: var(--paper-2); display: grid; grid-template-columns: 5.5rem 1fr;
  font-family: var(--f-mono); font-size: var(--step--2);
  transition: background .25s var(--e-out);
}
.spec-tbl dt { padding: .5rem .7rem; color: var(--text-3); text-transform: uppercase; letter-spacing: .1em; }
.spec-tbl dd { padding: .5rem .7rem; color: var(--text); border-left: 1px solid var(--line); }
.card:hover .spec-tbl > div { background: #fff; }
.card:hover .spec-tbl > div:nth-child(1) { transition-delay: 0ms; }
.card:hover .spec-tbl > div:nth-child(2) { transition-delay: 40ms; }
.card:hover .spec-tbl > div:nth-child(3) { transition-delay: 80ms; }

/* prekidač prikaza: mreža / tabela */
.viewtog {
  display: flex; gap: 1px; background: var(--line); border: 1px solid var(--line);
  width: max-content; margin-bottom: 1.2rem;
}
.viewtog__b {
  display: inline-flex; align-items: center; gap: .5rem; padding: .55rem .95rem;
  background: var(--paper-2); font-family: var(--f-mono); font-size: var(--step--2);
  letter-spacing: .1em; text-transform: uppercase; color: var(--text-2);
  transition: background var(--t-fast), color var(--t-fast);
}
.viewtog__b svg { width: 13px; height: 13px; }
.viewtog__b.is-on { background: var(--ink); color: #fff; }

/* prikaz kao tabela — jedan red po kategoriji */
.cat-grid--list { grid-template-columns: 1fr !important; }
.cat-grid--list .card { flex-direction: row; align-items: stretch; }
.cat-grid--list .card__ph { width: 116px; flex: none; aspect-ratio: auto; }
.cat-grid--list .card__ph::after,
.cat-grid--list .card__ph .card__ico,
.cat-grid--list .card__idx,
.cat-grid--list .card__more { display: none; }
.cat-grid--list .card__body {
  display: grid; align-items: center; width: 100%; gap: 1rem;
  grid-template-columns: minmax(13rem, 1.5fr) repeat(3, minmax(5.5rem, .7fr));
}
.cat-grid--list .spec-tbl { display: contents; }
.cat-grid--list .spec-tbl > div { border: 0; background: none; grid-template-columns: 1fr; gap: .15rem; }
.cat-grid--list .spec-tbl dt { padding: 0; }
.cat-grid--list .spec-tbl dd { padding: 0; border-left: 0; }
.cat-grid--list .card:hover .spec-tbl > div { background: none; }
@media (max-width: 760px) {
  .cat-grid--list .card__body { grid-template-columns: 1fr 1fr; gap: .6rem; }
  .cat-grid--list .card h3 { grid-column: 1 / -1; }
}
.tag {
  font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .05em;
  padding: .25rem .55rem; border: 1px solid var(--line); border-radius: var(--r);
  color: var(--text-2); background: var(--paper); white-space: nowrap;
}
.tag--g { color: var(--green-600); border-color: rgba(34,155,7,.35); background: rgba(34,155,7,.07); }
.tag--b { color: var(--blue-700); border-color: rgba(11,79,140,.3); background: rgba(11,79,140,.06); }

.card__more {
  font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .1em;
  text-transform: uppercase; color: var(--green-text);
  display: inline-flex; align-items: center; gap: .45rem;
}
.card__more svg { width: 13px; height: 13px; transition: transform var(--t); }
.card:hover .card__more svg { transform: translateX(3px); }
.card__link { position: absolute; inset: 0; z-index: 2; }

/* katalozi za preuzimanje */
.dl-block { margin-top: 3rem; }
.dl-grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 760px) { .dl-grid { grid-template-columns: repeat(3, 1fr); } }
.dl {
  background: var(--paper-2); padding: 1.15rem 1.35rem; display: grid; gap: .3rem;
  transition: background var(--t-fast), color var(--t-fast);
}
.dl:hover { background: var(--ink); color: #fff; }
.dl__t {
  font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .18em;
  color: var(--green-text);
}
.dl__l { font-weight: 600; }
.dl__m {
  font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .1em;
  text-transform: uppercase; color: var(--text-3); font-variant-numeric: tabular-nums;
}
.dl:hover .dl__m { color: var(--green-300); }

.empty {
  padding: 3rem 1rem; text-align: center; color: var(--text-2);
  border: 1px dashed var(--line); grid-column: 1 / -1; background: var(--paper-2);
}

/* modal sa specifikacijom */
.modal {
  position: fixed; inset: 0; z-index: 120; display: grid; place-items: end center;
  background: rgba(10,16,18,.62); backdrop-filter: blur(5px);
  opacity: 0; pointer-events: none; transition: opacity .35s var(--e-out);
}
.modal.is-open { opacity: 1; pointer-events: auto; }
.modal__box {
  width: min(920px, 100%); max-height: 92vh; overflow-y: auto; background: var(--paper-2);
  border-top: 3px solid var(--brand-green);
  transform: translateY(40px); transition: transform .5s var(--e-out);
  padding: clamp(1.5rem, 4vw, 3rem);
}
.modal.is-open .modal__box { transform: none; }
@media (min-width: 900px) { .modal { place-items: center; } .modal__box { border: 1px solid var(--line); border-top: 3px solid var(--brand-green); } }

.modal__x {
  position: sticky; top: 0; margin-left: auto; display: grid; place-items: center;
  width: 42px; height: 42px; border: 1px solid var(--line); background: var(--paper);
  border-radius: var(--r); z-index: 3;
}
.modal__x:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.modal h3 { margin-bottom: .8rem; }
.modal__spec {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px;
  background: var(--line); border: 1px solid var(--line); margin: 1.6rem 0;
}
.modal__spec > div { background: var(--paper-2); padding: .95rem 1.1rem; }
.modal__spec b { display: block; font-family: var(--f-mono); font-size: var(--step-0); margin-top: .3rem; }

/* modal: fotografija uz blok specifikacija */
.modal__top { display: grid; gap: 1.4rem; margin: 1.4rem 0; align-items: start; }
@media (min-width: 760px) { .modal__top { grid-template-columns: 240px 1fr; } }
.modal__ph {
  width: 100%; height: auto; background: #fff; border: 1px solid var(--line);
  padding: .6rem;
}
.modal__top .modal__spec { margin: 1.2rem 0 0; }

.items { border-top: 1px solid var(--line); }
.item {
  padding: 1.1rem 0; border-bottom: 1px solid var(--line-2);
  display: grid; gap: .45rem;
}
/* tip sa fotografijom: slika levo, podaci desno */
@media (min-width: 620px) {
  .item--ph { grid-template-columns: 104px 1fr; column-gap: 1.2rem; }
  .item--ph > .item__ph { grid-row: 1 / span 4; align-self: start; }
}
.item__ph {
  width: 104px; height: auto; background: #fff; border: 1px solid var(--line);
  padding: .35rem;
}
.item__desc { font-size: var(--step--1); color: var(--text-2); line-height: 1.55; }
.item__top { display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem 1rem; }
.item__name { font-weight: 600; font-size: var(--step-0); }
.item__code {
  font-family: var(--f-mono); font-size: var(--step--2); color: #fff;
  background: var(--ink); padding: .15rem .5rem; border-radius: var(--r); letter-spacing: .04em;
}
.item__en { font-family: var(--f-mono); font-size: var(--step--2); color: var(--text-3); }
.item__note { font-size: var(--step--1); color: var(--text-2); }
.item__dims { display: flex; gap: .4rem; flex-wrap: wrap; }

/* ======================== 08. SEKCIJE SADRŽAJA =========================== */
.split { display: grid; gap: clamp(2rem, 5vw, 4rem); grid-template-columns: 1fr; align-items: start; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .split--wide { grid-template-columns: 1.15fr .85fr; } }

.numbered { counter-reset: st; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.sec--dark .numbered { background: var(--ink-line); border-color: var(--ink-line); }
@media (min-width: 780px) { .numbered { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .numbered { grid-template-columns: repeat(4, 1fr); } }
.step { background: var(--paper-2); padding: clamp(1.3rem, 2.6vw, 1.9rem); counter-increment: st; position: relative; }
.sec--dark .step { background: var(--ink); }
.step::before {
  content: "0" counter(st); font-family: var(--f-mono); font-size: var(--step--2);
  color: var(--brand-green); letter-spacing: .12em; display: block; margin-bottom: 1.4rem;
}
/* h3 umesto h4 zbog redosleda naslova (h2 -> h4 je preskakalo nivo i palo je
   na Lighthouse „heading-order“). Vizuelna veličina ostaje kao h4. */
.step h3, .ind h3 {
  font-size: var(--step-1); font-variation-settings: "wdth" 104, "wght" 600;
  line-height: 1.18; letter-spacing: -.008em;
}
.step h3 { margin-bottom: .55rem; }
.step p { font-size: var(--step--1); color: var(--text-2); }
.sec--dark .step p { color: var(--text-inv-2); }

.list-check { display: grid; gap: .8rem; }
.list-check li { display: flex; gap: .8rem; font-size: var(--step--1); color: var(--text-2); line-height: 1.5; }
.sec--dark .list-check li { color: var(--text-inv-2); }
.list-check li::before {
  content: ""; flex: none; width: 8px; height: 8px; margin-top: .48em;
  border-left: 1.5px solid var(--brand-green); border-bottom: 1.5px solid var(--brand-green);
  transform: rotate(-45deg);
}

.panel {
  border: 1px solid var(--line); background: var(--paper-2);
  padding: clamp(1.4rem, 3vw, 2.2rem);
}
.sec--dark .panel { border-color: var(--ink-line); background: var(--ink-2); }

.acc { border-top: 1px solid var(--line); }
.sec--dark .acc { border-color: var(--ink-line); }
.acc__item { border-bottom: 1px solid var(--line); }
.sec--dark .acc__item { border-color: var(--ink-line); }
.acc__btn {
  width: 100%; display: flex; align-items: center; gap: 1rem; text-align: left;
  padding: 1.35rem 0; font-family: var(--f-display); font-variation-settings: "wdth" 106, "wght" 600;
  font-size: var(--step-1); color: inherit;
}
.acc__btn span:first-child { font-family: var(--f-mono); font-size: var(--step--2); color: var(--brand-green); letter-spacing: .1em; }
.acc__btn em { margin-left: auto; font-style: normal; flex: none; width: 22px; height: 22px; position: relative; }
.acc__btn em::before, .acc__btn em::after {
  content: ""; position: absolute; inset: 50% 0 auto 0; height: 1.5px; background: currentColor;
  transition: transform .4s var(--e-out);
}
.acc__btn em::after { transform: rotate(90deg); }
.acc__btn[aria-expanded="true"] em::after { transform: rotate(0); }
.acc__panel { overflow: hidden; height: 0; transition: height .45s var(--e-out); }
.acc__inner { padding-bottom: 1.6rem; }

.wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 1px; background: var(--ink-line); border: 1px solid var(--ink-line); }
.wall span {
  background: var(--ink); padding: 1.15rem 1.2rem; font-family: var(--f-mono);
  font-size: var(--step--1); color: var(--text-inv-2); letter-spacing: .02em;
  transition: background var(--t-fast), color var(--t-fast);
}
.wall span:hover { background: var(--brand-green); color: #fff; }

.marq {
  overflow: hidden; border-block: 1px solid var(--line); padding-block: clamp(1rem,2.5vw,1.6rem);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.sec--dark .marq { border-color: var(--ink-line); }
.marq__track { display: flex; width: max-content; animation: marq 26s linear infinite; }
.marq__track span {
  font-family: var(--f-display); font-variation-settings: "wdth" 110, "wght" 700;
  font-size: clamp(1.6rem, 5vw, 3.2rem); letter-spacing: -.01em;
  padding-inline: clamp(1rem,3vw,2.4rem); color: var(--text-3); white-space: nowrap;
  display: inline-flex; align-items: center; gap: clamp(1rem,3vw,2.4rem);
}
.marq__track span::after { content: ""; width: 9px; height: 9px; background: var(--brand-green); flex: none; }
.sec--dark .marq__track span { color: var(--text-inv-2); }

.news { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 800px) { .news { grid-template-columns: repeat(2, 1fr); } }
.news article { background: var(--paper-2); padding: clamp(1.5rem, 3vw, 2.4rem); display: grid; gap: .9rem; align-content: start; }
.news time { font-family: var(--f-mono); font-size: var(--step--2); color: var(--green-text); letter-spacing: .1em; text-transform: uppercase; }

.ind { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 700px) { .ind { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1060px) { .ind { grid-template-columns: repeat(3, 1fr); } }
.ind > div { background: var(--paper-2); padding: clamp(1.3rem,2.6vw,1.9rem); transition: background var(--t-fast); }
.ind > div:hover { background: #fff; }
.ind h3 { margin-bottom: .4rem; }
.ind p { font-size: var(--step--1); color: var(--text-2); }

/* CTA blok */
.cta {
  background: linear-gradient(135deg, var(--blue-800), var(--ink) 46%, var(--green-700));
  color: #fff; position: relative; overflow: hidden; isolation: isolate;
}
.cta .wrap { position: relative; z-index: 2; }
.cta h2 { color: #fff; max-width: 18ch; }
.cta__row { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin-top: 2rem; }

/* ================================ 09. FORMA ============================== */
.form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: .45rem; }
.field label {
  font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .1em;
  text-transform: uppercase; color: var(--text-3);
}
.field input, .field select, .field textarea {
  border: 1px solid var(--line); background: var(--paper-2); padding: .85rem 1rem;
  border-radius: var(--r); font-size: var(--step--1); width: 100%;
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand-green); background: #fff;
  box-shadow: 0 0 0 3px rgba(34,155,7,.14);
}
.field--2 { display: grid; gap: 1.1rem; }
@media (min-width: 640px) { .field--2 { grid-template-columns: 1fr 1fr; } }
.form__note { font-size: var(--step--2); color: var(--text-3); }
.form__msg {
  border: 1px solid var(--line); border-left: 3px solid var(--brand-green);
  background: rgba(34,155,7,.07); padding: .9rem 1.1rem; font-size: var(--step--1);
  display: none;
}
.form__msg.is-on { display: block; animation: fadeUp .5s var(--e-out); }
.form__msg--err { border-left-color: #B4442E; background: rgba(180,68,46,.07); }

.contact-grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 700px) { .contact-grid { grid-template-columns: repeat(2, 1fr); } }
.contact-grid > div { background: var(--paper-2); padding: clamp(1.2rem,2.4vw,1.7rem); }
.contact-grid a:hover { color: var(--brand-green); }

.map { border: 1px solid var(--line); overflow: hidden; background: var(--paper-3); }
.map iframe { width: 100%; height: 100%; min-height: 340px; border: 0; display: block; filter: grayscale(1) contrast(.95); transition: filter var(--t); }
.map:hover iframe { filter: grayscale(0) contrast(1); }

/* ============================== 10. PODNOŽJE ============================= */
.ftr { background: var(--ink); color: var(--text-inv-2); padding-block: clamp(3rem, 6vw, 5rem) 2rem; }
.ftr__grid { display: grid; gap: 2.4rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .ftr__grid { grid-template-columns: 1.4fr 1fr 1fr; } }
@media (min-width: 1060px) { .ftr__grid { grid-template-columns: 1.6fr 1fr 1fr 1.1fr; } }
.ftr h3 { color: #fff; font-size: var(--step--1); font-family: var(--f-mono); font-weight: 500; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 1.1rem; }
.ftr ul { display: grid; gap: .55rem; }
.ftr a { font-size: var(--step--1); transition: color var(--t-fast); }
.ftr a:hover { color: var(--brand-green); }
.ftr__brand .brand__name { color: #fff; }
.ftr__brand .brand__sub { color: var(--text-inv-2); }
.ftr__bot {
  margin-top: clamp(2.4rem,5vw,3.6rem); padding-top: 1.6rem; border-top: 1px solid var(--ink-line);
  display: flex; flex-wrap: wrap; gap: .8rem 1.6rem; justify-content: space-between;
  font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .04em;
}
.ftr__bot a { color: var(--text-inv); }

/* =================== 11. PLUTAJUĆI SLOJ (AI + BACK TO TOP) =============== */
/*  Oba elementa dele istu osnovnu liniju (bottom) i istu veličinu.          */
:root { --dock-b: 22px; --dock-s: 56px; }
@media (max-width: 640px) { :root { --dock-b: 16px; --dock-s: 52px; } }

.dock-l, .dock-r {
  position: fixed; bottom: var(--dock-b); z-index: 110;
  width: var(--dock-s); height: var(--dock-s);
}
.dock-l { left: var(--dock-b); }
.dock-r { right: var(--dock-b); }

/* back to top */
.totop {
  width: 100%; height: 100%; display: grid; place-items: center; position: relative;
  background: var(--ink); color: #fff; border-radius: 50%;
  box-shadow: 0 8px 26px rgba(10,16,18,.28);
  opacity: 0; transform: translateY(14px) scale(.9); pointer-events: none;
  transition: opacity .4s var(--e-out), transform .4s var(--e-out), background var(--t-fast);
}
.totop.is-on { opacity: 1; transform: none; pointer-events: auto; }
.totop:hover { background: var(--brand-green); }
.totop svg.ico { width: 18px; height: 18px; position: relative; z-index: 2; transition: transform var(--t); }
.totop:hover svg.ico { transform: translateY(-3px); }
.totop__ring { position: absolute; inset: 0; transform: rotate(-90deg); }
.totop__ring circle { fill: none; stroke-width: 2; }
.totop__ring .bg { stroke: rgba(255,255,255,.18); }
.totop__ring .fg { stroke: var(--brand-green); stroke-linecap: round; transition: stroke-dashoffset .1s linear; }
.totop:hover .totop__ring .fg { stroke: #fff; }

/* AI asistent */
.ai-btn {
  width: 100%; height: 100%; display: grid; place-items: center; position: relative;
  background: var(--brand-green); color: #fff; border-radius: 50%;
  box-shadow: 0 8px 26px rgba(34,155,7,.34);
  transition: transform var(--t), background var(--t-fast);
}
.ai-btn:hover { transform: scale(1.06); }
.ai-btn svg { width: 24px; height: 24px; }
.ai-btn::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 1px solid var(--brand-green); opacity: .55;
  animation: haloPulse 2.8s var(--e-in-out) infinite;
}
@keyframes haloPulse {
  0%,100% { transform: scale(1);    opacity: .5; }
  50%     { transform: scale(1.18); opacity: 0; }
}
.ai-btn__pill {
  position: absolute; left: calc(100% + 10px); top: 50%; transform: translateY(-50%) translateX(-6px);
  background: var(--ink); color: #fff; white-space: nowrap; border-radius: 100px;
  font-family: var(--f-mono); font-size: var(--step--2); letter-spacing: .08em; text-transform: uppercase;
  padding: .5rem .9rem; opacity: 0; pointer-events: none;
  transition: opacity var(--t), transform var(--t);
}
.ai-btn:hover .ai-btn__pill, .ai-btn:focus-visible .ai-btn__pill { opacity: 1; transform: translateY(-50%) translateX(0); }
@media (max-width: 520px) { .ai-btn__pill { display: none; } }

.ai-panel {
  position: fixed; left: var(--dock-b); bottom: calc(var(--dock-b) + var(--dock-s) + 12px);
  width: min(392px, calc(100vw - 2 * var(--dock-b)));
  height: min(560px, calc(100vh - var(--dock-b) * 2 - var(--dock-s) - 24px));
  background: var(--paper-2); border: 1px solid var(--line);
  box-shadow: 0 26px 70px rgba(10,16,18,.3);
  display: flex; flex-direction: column; overflow: hidden; z-index: 111;
  opacity: 0; transform: translateY(16px) scale(.97); transform-origin: 0 100%;
  pointer-events: none; transition: opacity .34s var(--e-out), transform .34s var(--e-out);
}
.ai-panel.is-open { opacity: 1; transform: none; pointer-events: auto; }

.ai-head {
  display: flex; align-items: center; gap: .75rem; padding: .95rem 1rem;
  background: var(--ink); color: #fff; flex: none;
}
.ai-head__ico { width: 34px; height: 34px; background: var(--brand-green); display: grid; place-items: center; flex: none; }
.ai-head__ico svg { width: 18px; height: 18px; }
.ai-head strong { font-size: var(--step--1); font-weight: 600; display: block; line-height: 1.2; }
.ai-head small { font-family: var(--f-mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; color: var(--green-300); display: flex; align-items: center; gap: .35rem; }
.ai-head__x { margin-left: auto; width: 32px; height: 32px; display: grid; place-items: center; border-radius: var(--r); color: var(--text-inv-2); }
.ai-head__x:hover { background: rgba(255,255,255,.1); color: #fff; }

.ai-log { flex: 1; overflow-y: auto; padding: 1rem; display: grid; gap: .7rem; align-content: start; scroll-behavior: smooth; }
.ai-log::-webkit-scrollbar { width: 5px; }
.ai-log::-webkit-scrollbar-thumb { background: var(--line); }

.msg { max-width: 88%; padding: .7rem .9rem; font-size: var(--step--1); line-height: 1.55; animation: msgIn .38s var(--e-out) both; }
@keyframes msgIn { from { opacity: 0; transform: translateY(9px); } }
.msg--bot { background: var(--paper); border: 1px solid var(--line); border-bottom-left-radius: 3px; justify-self: start; }
.msg--me  { background: var(--ink); color: #fff; border-bottom-right-radius: 3px; justify-self: end; }
.msg strong { font-weight: 600; }
.msg a { color: var(--brand-green); text-decoration: underline; text-underline-offset: 2px; }
.msg ul { display: grid; gap: .3rem; margin: .5rem 0 .1rem; }
.msg li { padding-left: .95rem; position: relative; }
.msg li::before { content: "▸"; position: absolute; left: 0; color: var(--brand-green); }
.msg code { font-family: var(--f-mono); font-size: .92em; background: rgba(0,0,0,.06); padding: .05em .3em; border-radius: 2px; }

.typing { display: inline-flex; gap: 4px; padding: .2rem 0; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--text-3); animation: blink 1.25s infinite; }
.typing i:nth-child(2) { animation-delay: .18s; }
.typing i:nth-child(3) { animation-delay: .36s; }
@keyframes blink { 0%,60%,100% { opacity: .25; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

.ai-sug { display: flex; gap: .4rem; flex-wrap: wrap; padding: 0 1rem .7rem; }
.ai-sug button {
  font-family: var(--f-mono); font-size: .66rem; letter-spacing: .05em; text-transform: uppercase;
  border: 1px solid var(--line); padding: .42rem .75rem; color: var(--text-2);
  background: var(--paper); transition: all var(--t-fast);
}
.ai-sug button:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

.ai-form { display: flex; gap: .5rem; padding: .75rem; border-top: 1px solid var(--line); background: var(--paper); flex: none; }
.ai-form input {
  flex: 1; border: 1px solid var(--line); padding: .68rem 1rem;
  font-size: var(--step--1); background: #fff; outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.ai-form input:focus { border-color: var(--brand-green); box-shadow: 0 0 0 3px rgba(34,155,7,.14); }
.ai-form button { width: 42px; height: 42px; flex: none; background: var(--brand-green); color: #fff; display: grid; place-items: center; transition: background var(--t-fast), transform var(--t-fast); }
.ai-form button:hover { background: var(--ink); transform: rotate(-8deg); }
.ai-form button svg { width: 17px; height: 17px; }

/* ==================== 12. ANIMACIJE I RESPONSIVE ========================= */
.rv { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--e-out), transform .8s var(--e-out); }
.rv.is-in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .08s; }
.rv-d2 { transition-delay: .16s; }
.rv-d3 { transition-delay: .24s; }
.rv-d4 { transition-delay: .32s; }
.rv-d5 { transition-delay: .40s; }

.rv-clip { clip-path: inset(0 100% 0 0); transition: clip-path 1.05s var(--e-out); }
.rv-clip.is-in { clip-path: inset(0 0 0 0); }

@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } }

.tilt { transition: transform .5s var(--e-out); transform-style: preserve-3d; will-change: transform; }

/* prilagođeni kursor (samo desktop, samo miš) */
.cursor {
  position: fixed; top: 0; left: 0; width: 26px; height: 26px; border-radius: 50%;
  border: 1px solid rgba(34,155,7,.85); pointer-events: none; z-index: 200;
  transform: translate(-50%, -50%); transition: width .3s var(--e-out), height .3s var(--e-out), background .3s var(--e-out), opacity .3s;
  display: none; mix-blend-mode: difference; opacity: 0;
}
.cursor.is-live { opacity: 1; }
@media (hover: hover) and (pointer: fine) and (min-width: 1100px) { .cursor { display: block; } }
.cursor.is-lg { width: 54px; height: 54px; background: rgba(34,155,7,.14); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important; scroll-behavior: auto !important;
  }
  .rv, .rv-clip { opacity: 1; transform: none; clip-path: none; }
  .hero h1 .ln > span { transform: none; }
  .cursor { display: none !important; }
}

@media print {
  .hdr, .mnav, .dock-l, .dock-r, .ai-panel, .progress, .cursor, .cta { display: none !important; }
  body { background: #fff; color: #000; }
  .sec--dark { background: #fff !important; color: #000 !important; }
}