/* =================================================================
   DELTA UROŠEVIĆ d.o.o. — Homepage stylesheet
   Editorial-industrial · monochrome-first + single signal accent
   Content visible by default; animation is progressive enhancement.
   ================================================================= */

/* ---------- 1. DESIGN TOKENS ---------- */
:root{
  /* palette — sampled from company logo (navy triangle + bright-blue
     gradient + red DELTA lettering). */
  --ink:       #131A38;   /* very dark cool navy — primary text + dark sections */
  --paper:     #F4F6FA;   /* cool near-white background */
  --graphite:  #5B6478;   /* secondary text / borders */
  --line:      #DDE1EA;   /* hairline dividers */
  --accent:    #E1141B;   /* RED (DELTA letters) — CTAs / active states / marks */
  --accent-ink:#0E0F11;
  --white:     #FFFFFF;

  /* brand blues — structural accent echoing the logo.
     --brand    deep navy  → labels/links/marks on LIGHT backgrounds
     --brand-2  bright blue → fills, scrims, gradients (logo triangle)
     --brand-bright lighter → text/labels on DARK backgrounds (AA contrast) */
  --brand:       #1E2A6E;
  --brand-2:     #1C77BE;
  --brand-bright:#4C9BE0;

  /* derived */
  --ink-80:    rgba(19,26,56,0.80);
  --ink-60:    rgba(19,26,56,0.60);
  --paper-dim: #E8ECF4;
  --accent-hover:#C10F16;

  /* type */
  --font-display:'Space Grotesk', system-ui, sans-serif;
  --font-body:   'Inter', system-ui, sans-serif;
  --font-mono:   'Space Mono', ui-monospace, monospace;

  /* type scale (fluid) */
  --fs-eyebrow: 0.8125rem;
  --fs-body:    1rem;
  --fs-lead:    clamp(1.05rem, 0.98rem + 0.4vw, 1.25rem);
  --fs-h3:      clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
  --fs-h2:      clamp(1.9rem, 1.4rem + 2.4vw, 3.25rem);
  --fs-h1:      clamp(2.4rem, 1.6rem + 3.8vw, 4.75rem);

  /* spacing scale (8pt rhythm) */
  --sp-1: 0.5rem;  --sp-2: 1rem;   --sp-3: 1.5rem;  --sp-4: 2rem;
  --sp-5: 3rem;    --sp-6: 4rem;   --sp-7: 6rem;    --sp-8: 8rem;

  --container: 1240px;
  --radius:    14px;
  --radius-sm: 8px;

  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
  --dur:       260ms;

  /* z-index scale */
  --z-header: 100;
  --z-menu:   200;
  --z-float:  400;
  --z-panel:  500;
  --z-preloader: 1000;

  /* dynamic viewport height, set by JS (--vh) with fallbacks */
  --vh: 1vh;
}

/* ---------- 2. RESET / BASE ---------- */
*,*::before,*::after{ box-sizing:border-box; }
/* Ensure the [hidden] attribute always wins over component display rules
   (e.g. .assistant__panel{display:flex}) so hidden elements stay hidden. */
[hidden]{ display:none !important; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

body{
  margin:0;
  font-family:var(--font-body);
  font-size:var(--fs-body);
  line-height:1.6;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
/* When Lenis is active (desktop only), it manages scroll */
html.lenis, html.lenis body{ height:auto; }
.lenis.lenis-smooth{ scroll-behavior:auto !important; }
.lenis.lenis-stopped{ overflow:hidden; }

img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }
h1,h2,h3,p,ul,figure,address{ margin:0; }
ul{ list-style:none; padding:0; }
address{ font-style:normal; }
.icon{ width:1.15em; height:1.15em; flex:none; }

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

.container{ width:100%; max-width:var(--container); margin-inline:auto; padding-inline:clamp(1.25rem, 4vw, 3rem); }
.section{ padding-block:clamp(3.5rem, 6vw, var(--sp-8)); }

.skip-link{
  position:fixed; top:0; left:50%; transform:translate(-50%,-120%);
  background:var(--ink); color:var(--white); padding:.75rem 1.25rem;
  border-radius:0 0 8px 8px; z-index:1100; transition:transform var(--dur) var(--ease);
}
.skip-link:focus{ transform:translate(-50%,0); }

/* ---------- 3. TYPOGRAPHY HELPERS ---------- */
.section-head{ max-width:56ch; margin-bottom:clamp(2rem,4vw,3.5rem); }
.section-head__eyebrow,
.hero__eyebrow,
.cta-band__eyebrow{
  font-family:var(--font-mono);
  font-size:var(--fs-eyebrow);
  letter-spacing:.18em; text-transform:uppercase;
  color:var(--brand); margin:0 0 var(--sp-2);   /* structural label = brand blue */
}
.section-head__title,
.about__title,
.spotlight__title,
.cta-band__title{
  font-family:var(--font-display);
  font-weight:600; line-height:1.05; letter-spacing:-0.02em;
  font-size:var(--fs-h2);
}
.section-head__lead,.about__lead,.spotlight__lead,.cta-band__lead{
  font-size:var(--fs-lead); color:var(--graphite); margin-top:var(--sp-3); max-width:60ch;
}

/* ---------- 4. BRAND LOGO ---------- */
.brand{ display:inline-flex; align-items:center; line-height:0; }
.brand__logo{ height:46px; width:auto; display:block; transition:filter var(--dur) var(--ease); }
.brand--footer .brand__logo{ height:58px; }
/* Over the dark hero (header transparent) the logo's navy parts fade —
   a soft light glow lifts it off the image; removed once header solidifies. */
.site-header:not(.is-scrolled) .brand__logo{
  filter:drop-shadow(0 0 1px rgba(255,255,255,.55)) drop-shadow(0 2px 10px rgba(0,0,0,.45));
}
/* Footer sits on --ink; same subtle lift keeps the mark crisp. */
.brand--footer .brand__logo{ filter:drop-shadow(0 0 1px rgba(255,255,255,.4)); }

/* ---------- 5. BUTTONS ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  font-weight:600; font-size:.95rem; line-height:1;
  min-height:48px; padding:0 1.5rem; border-radius:999px;
  border:1.5px solid transparent; cursor:pointer;
  transition:background var(--dur) var(--ease), color var(--dur) var(--ease),
             border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn--lg{ min-height:54px; padding:0 2rem; font-size:1rem; }
.btn--accent{ background:var(--accent); color:var(--white); }
.btn--accent:hover{ background:var(--accent-hover); transform:translateY(-2px); }
.btn--outline{ border-color:var(--ink); color:var(--ink); background:transparent; }
.btn--outline:hover{ background:var(--ink); color:var(--paper); }
.btn--ghost{ border-color:rgba(255,255,255,.5); color:var(--white); background:rgba(255,255,255,.06); backdrop-filter:blur(4px); }
.btn--ghost:hover{ background:rgba(255,255,255,.16); border-color:#fff; }

/* ---------- 6. HEADER / NAV ---------- */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:var(--z-header);
  transition:background var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  border-bottom:1px solid transparent;
}
.site-header__inner{
  max-width:var(--container); margin-inline:auto;
  padding:1rem clamp(1.25rem,4vw,3rem);
  display:flex; align-items:center; justify-content:space-between; gap:2rem;
}
/* transparent over hero → light text */
.site-nav__link{ color:rgba(246,245,242,.85); }
.header-phone{ color:rgba(246,245,242,.9); }

/* solid state on scroll */
.site-header.is-scrolled{ background:var(--paper); border-bottom-color:var(--line); box-shadow:0 4px 24px rgba(16,17,20,.05); }
.site-header.is-scrolled .site-nav__link{ color:var(--ink); }
.site-header.is-scrolled .header-phone{ color:var(--ink); }

.site-nav__list{ display:flex; gap:2rem; }
.site-nav__link{ position:relative; font-size:.95rem; font-weight:500; padding:.4rem 0; transition:color var(--dur) var(--ease); }
/* structural accent = brand blue; brighter over the dark hero */
.site-nav__link::after{ content:""; position:absolute; left:0; bottom:0; width:100%; height:2px; background:var(--brand-bright); transform:scaleX(0); transform-origin:left; transition:transform var(--dur) var(--ease); }
.site-header.is-scrolled .site-nav__link::after{ background:var(--brand); }
.site-nav__link:hover::after,.site-nav__link.is-active::after{ transform:scaleX(1); }

.site-header__actions{ display:flex; align-items:center; gap:1.25rem; }
.header-phone{ display:inline-flex; align-items:center; gap:.5rem; font-family:var(--font-mono); font-size:.85rem; font-weight:700; }
.header-cta{ min-height:44px; padding:0 1.25rem; font-size:.9rem; }

/* hamburger */
.nav-toggle{ display:none; width:48px; height:48px; border:0; background:transparent; padding:12px; }
.nav-toggle__bar{ display:block; height:2px; background:var(--paper); border-radius:2px; transition:transform var(--dur) var(--ease), opacity var(--dur) var(--ease), background var(--dur) var(--ease); }
.nav-toggle__bar+.nav-toggle__bar{ margin-top:6px; }
.site-header.is-scrolled .nav-toggle__bar{ background:var(--ink); }
body.menu-open .nav-toggle__bar{ background:var(--ink); }
body.menu-open .nav-toggle__bar:nth-child(1){ transform:translateY(8px) rotate(45deg); }
body.menu-open .nav-toggle__bar:nth-child(2){ opacity:0; }
body.menu-open .nav-toggle__bar:nth-child(3){ transform:translateY(-8px) rotate(-45deg); }

/* mobile overlay menu */
.mobile-menu{
  position:fixed; inset:0; z-index:var(--z-menu);
  background:var(--paper);
  display:flex; flex-direction:column; justify-content:center; gap:2.5rem;
  padding:6rem 2rem 3rem;
  opacity:0; visibility:hidden; transform:translateY(-8px);
  transition:opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
}
body.menu-open .mobile-menu{ opacity:1; visibility:visible; transform:none; }
.mobile-menu__nav{ display:flex; flex-direction:column; gap:1.25rem; }
.mobile-menu__link{ font-family:var(--font-display); font-weight:600; font-size:clamp(1.8rem,8vw,2.75rem); letter-spacing:-.02em; }
.mobile-menu__link:active{ color:var(--accent); }
.mobile-menu__foot{ display:flex; flex-direction:column; gap:1rem; border-top:1px solid var(--line); padding-top:1.5rem; }
.mobile-menu__phone{ font-family:var(--font-mono); font-weight:700; font-size:1.1rem; }

/* ---------- 7. HERO SLIDER ---------- */
.hero{
  position:relative;
  /* robust one-viewport height: JS --vh fallback, then dvh/svh upgrades */
  height:100vh;
  height:calc(var(--vh, 1vh) * 100);
  min-height:520px;
  overflow:hidden;
  display:flex; align-items:flex-end;
  color:var(--paper);
  background:var(--ink);
}
@supports (height:100svh){ .hero{ height:100svh; } }

.hero__slides{ position:absolute; inset:0; z-index:0; }
.hero__slide{
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  opacity:0; transition:opacity 1200ms ease;
  will-change:opacity;
}
.hero__slide.is-active{ opacity:1; }
/* subtle Ken-Burns (enhancement) — added/removed by JS via .is-anim */
.hero__slide.is-anim.is-active{ animation:kenburns 8s ease-out both; }
@keyframes kenburns{ from{ transform:scale(1.06); } to{ transform:scale(1.0); } }

.hero__scrim{
  position:absolute; inset:0; z-index:1;
  /* Strong navy panel on the LEFT (where the headline sits) fading to clear
     on the right so the product photo — and its baked-in logo — stays visible.
     Bright-blue tint at the base echoes the logo gradient. */
  background:
    linear-gradient(105deg, rgba(19,26,56,.90) 0%, rgba(19,26,56,.78) 38%, rgba(19,26,56,.30) 66%, rgba(19,26,56,.08) 85%),
    linear-gradient(to top, rgba(19,26,56,.78) 0%, rgba(19,26,56,.30) 40%, rgba(30,42,110,.45) 100%);
}

.hero__content{
  position:relative; z-index:2;
  max-width:var(--container); width:100%;
  margin-inline:auto;
  padding:0 clamp(1.25rem,4vw,3rem) clamp(4rem,9vh,7rem);
}
.hero__eyebrow{ color:var(--paper); opacity:.85; }
.hero__title{
  font-family:var(--font-display); font-weight:600;
  font-size:var(--fs-h1); line-height:1.02; letter-spacing:-.025em;
  max-width:20ch; margin:0;
}
.hero__subtitle{ font-size:var(--fs-lead); max-width:52ch; margin-top:var(--sp-3); color:rgba(246,245,242,.9); }
.hero__cta{ display:flex; flex-wrap:wrap; gap:1rem; margin-top:var(--sp-4); }

/* arrows */
.hero__arrow{
  position:absolute; top:50%; transform:translateY(-50%); z-index:3;
  width:52px; height:52px; border-radius:50%;
  display:grid; place-items:center;
  background:rgba(16,17,20,.35); color:var(--paper);
  border:1px solid rgba(255,255,255,.25); backdrop-filter:blur(4px);
  transition:background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.hero__arrow:hover{ background:rgba(16,17,20,.6); }
.hero__arrow .icon{ width:22px; height:22px; }
.hero__arrow--prev{ left:clamp(.75rem,2vw,1.5rem); }
.hero__arrow--next{ right:clamp(.75rem,2vw,1.5rem); }

/* dots */
.hero__dots{ position:absolute; z-index:3; bottom:1.5rem; left:50%; transform:translateX(-50%); display:flex; gap:.6rem; }
.hero__dot{ width:40px; height:44px; padding:20px 0; background:transparent; border:0; position:relative; }
.hero__dot::before{ content:""; position:absolute; left:0; top:50%; transform:translateY(-50%); width:100%; height:3px; background:rgba(246,245,242,.4); border-radius:3px; transition:background var(--dur) var(--ease); }
.hero__dot.is-active::before{ background:var(--brand-bright); }

.hero__scroll{
  position:absolute; z-index:3; right:clamp(1.25rem,4vw,3rem); bottom:1.5rem;
  display:none; align-items:center; gap:.5rem;
  font-family:var(--font-mono); font-size:.7rem; letter-spacing:.15em; text-transform:uppercase;
  color:rgba(246,245,242,.75);
}
.hero__scroll .icon{ animation:bob 2s ease-in-out infinite; }
@keyframes bob{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(4px);} }

/* ---------- 8. TRUST BAR ---------- */
.trust-bar{ background:var(--ink); color:var(--paper); border-block:1px solid rgba(255,255,255,.08); }
.trust-bar__list{
  max-width:var(--container); margin-inline:auto;
  padding:1.5rem clamp(1.25rem,4vw,3rem);
  display:flex; flex-wrap:wrap; gap:1.5rem 3rem; justify-content:space-between;
}
.trust-bar__item{ display:flex; flex-direction:column; gap:.15rem; }
.trust-bar__num{ font-family:var(--font-display); font-weight:600; font-size:1.05rem; letter-spacing:.01em; }
.trust-bar__label{ font-size:.82rem; color:rgba(246,245,242,.6); }

/* ---------- 9. PROIZVODNI PROGRAM ---------- */
.program__grid{
  display:grid; gap:1.25rem;
  grid-template-columns:repeat(auto-fill, minmax(min(100%, 320px), 1fr));
}
.prog-card{
  display:flex; flex-direction:column;
  background:var(--white);
  border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
  transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.prog-card:hover{ transform:translateY(-6px); box-shadow:0 18px 40px rgba(19,26,56,.12); border-color:transparent; }
/* photo media header + overlaid icon badge */
.prog-card__media{ position:relative; display:block; aspect-ratio:16/10; background:var(--ink); overflow:hidden; }
.prog-card__media img{ width:100%; height:100%; object-fit:cover; transition:transform 600ms var(--ease); }
.prog-card:hover .prog-card__media img{ transform:scale(1.05); }
.prog-card__icon{ position:absolute; left:1rem; bottom:1rem; width:46px; height:46px; display:grid; place-items:center; border-radius:12px; background:var(--paper); color:var(--brand); box-shadow:0 6px 18px rgba(19,26,56,.28); }
.prog-card__icon svg{ width:26px; height:26px; }
.prog-card:hover .prog-card__icon{ color:var(--accent); }
.prog-card__body{ display:flex; flex-direction:column; gap:.6rem; padding:1.5rem 1.6rem 1.75rem; flex:1; }
.prog-card__title{ font-family:var(--font-display); font-weight:600; font-size:var(--fs-h3); letter-spacing:-.01em; }
.prog-card__desc{ color:var(--graphite); font-size:.95rem; flex:1; }
.prog-card__more{ display:inline-flex; align-items:center; gap:.4rem; font-weight:600; font-size:.9rem; color:var(--brand); }
.prog-card__more .icon{ transition:transform var(--dur) var(--ease); }
.prog-card:hover .prog-card__more .icon{ transform:translateX(4px); }

/* ---------- 10. SIGNATURE SPOTLIGHT ---------- */
.spotlight{ background:var(--paper-dim); }
.spotlight__grid{ display:grid; gap:clamp(2rem,5vw,4.5rem); align-items:center; grid-template-columns:1fr 1fr; }
.spotlight__media{ position:relative; }
.spotlight__img{ width:100%; height:100%; max-height:640px; object-fit:cover; border-radius:var(--radius); background:var(--ink); }
.spotlight__badge{
  position:absolute; top:1rem; left:1rem;
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase;
  background:var(--accent); color:var(--white); padding:.45rem .8rem; border-radius:999px;
}
.spotlight__features{ display:flex; flex-direction:column; gap:1.5rem; margin:var(--sp-4) 0; }
.feature{ display:flex; gap:1rem; }
.feature__mark{ flex:none; width:44px; height:44px; border-radius:50%; display:grid; place-items:center; background:var(--white); border:1px solid var(--line); color:var(--brand); }
.feature__mark svg{ width:24px; height:24px; }
.feature__title{ font-family:var(--font-display); font-weight:600; font-size:1.05rem; margin-bottom:.15rem; }
.feature__desc{ color:var(--graphite); font-size:.92rem; }

/* ---------- 11. O NAMA ---------- */
.about__grid{ display:grid; grid-template-columns:1.2fr .8fr; gap:clamp(2rem,5vw,4.5rem); align-items:center; }
.about__lead{ margin-bottom:var(--sp-4); }
.about__stats{ display:grid; gap:1rem; }
.stat{ border:1px solid var(--line); border-radius:var(--radius); padding:1.5rem 1.75rem; background:var(--white); }
.stat__num{ display:block; font-family:var(--font-display); font-weight:700; font-size:clamp(2rem,4vw,2.75rem); line-height:1; letter-spacing:-.02em; }
.stat__num--mono{ font-family:var(--font-mono); font-weight:700; font-size:clamp(1.6rem,3vw,2.1rem); }
.stat__label{ display:block; margin-top:.5rem; color:var(--graphite); font-size:.9rem; }
.about__banner-wrap{ margin-top:clamp(2rem,4vw,3.5rem); }
.about__banner{ margin:0; border-radius:var(--radius); overflow:hidden; aspect-ratio:21/6; background:var(--ink); }
.about__banner img{ width:100%; height:100%; object-fit:cover; }
@media (max-width:640px){ .about__banner{ aspect-ratio:16/9; } }

/* ---------- 12. CTA BAND ---------- */
.cta-band{ background:linear-gradient(135deg, var(--ink) 0%, var(--brand) 100%); color:var(--paper); }
.cta-band__inner{ padding-block:clamp(3rem,6vw,6rem); display:flex; flex-wrap:wrap; gap:2rem; align-items:center; justify-content:space-between; }
.cta-band__title{ color:var(--paper); max-width:22ch; }
.cta-band__lead{ color:rgba(246,245,242,.7); }
.cta-band__eyebrow{ color:var(--brand-bright); }   /* brighter blue on dark */

/* ---------- 13. FOOTER ---------- */
.footer{ background:var(--ink); color:rgba(246,245,242,.75); }
.footer__grid{ display:grid; gap:2.5rem; grid-template-columns:1.4fr 1fr 1fr 1.2fr; padding-block:clamp(3rem,5vw,5rem); }
.footer__blurb{ margin-top:1.25rem; font-size:.92rem; max-width:34ch; color:rgba(246,245,242,.6); }
.footer__heading{ font-family:var(--font-display); font-weight:600; font-size:.85rem; letter-spacing:.14em; text-transform:uppercase; color:var(--paper); margin-bottom:1.25rem; }
.footer__contact p{ margin-bottom:.5rem; font-size:.95rem; }
.footer__contact a:hover,.footer__nav a:hover,.footer__credit a:hover{ color:var(--brand-bright); }
.footer__nav li{ margin-bottom:.5rem; }
.footer__nav a,.footer__contact a{ transition:color var(--dur) var(--ease); }
.footer__map{ display:flex; flex-direction:column; gap:.4rem; align-items:flex-start; padding:1.25rem; border:1px dashed rgba(255,255,255,.18); border-radius:var(--radius); transition:border-color var(--dur) var(--ease), background var(--dur) var(--ease); }
.footer__map:hover{ border-color:var(--brand-bright); background:rgba(46,122,209,.08); }
.footer__map svg{ width:28px; height:28px; color:var(--brand-bright); }
.footer__map-cta{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:var(--brand-bright); }
.footer__bottom{ border-top:1px solid rgba(255,255,255,.08); }
.footer__bottom-inner{ display:flex; flex-wrap:wrap; gap:.5rem 2rem; justify-content:space-between; padding-block:1.5rem; font-size:.82rem; color:rgba(246,245,242,.5); }
.footer__credit a{ color:var(--paper); font-weight:600; transition:color var(--dur) var(--ease); }

/* ---------- 14. AI ASSISTANT (bottom-left) ---------- */
.assistant{ position:fixed; left:clamp(1rem,3vw,1.75rem); bottom:clamp(1rem,3vw,1.75rem); z-index:var(--z-panel); }
.assistant__toggle{
  display:inline-flex; align-items:center; gap:.6rem;
  min-height:52px; padding:0 1.25rem 0 1rem; border-radius:999px; border:0;
  background:var(--ink); color:var(--paper);
  box-shadow:0 10px 30px rgba(16,17,20,.25);
  transition:transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.assistant__toggle:hover{ transform:translateY(-2px); background:#191b20; }
.assistant__toggle svg{ width:24px; height:24px; color:var(--brand-bright); }
.assistant__label{ font-weight:600; font-size:.95rem; }

.assistant__panel{
  position:absolute; left:0; bottom:calc(52px + .75rem);
  width:min(360px, calc(100vw - 2rem));
  max-height:min(560px, calc(100vh - 6rem));
  display:flex; flex-direction:column;
  background:var(--white); color:var(--ink);
  border:1px solid var(--line); border-radius:18px;
  box-shadow:0 24px 60px rgba(16,17,20,.22);
  overflow:hidden;
  transform-origin:bottom left;
  animation:panelIn var(--dur) var(--ease);
}
@keyframes panelIn{ from{ opacity:0; transform:translateY(8px) scale(.98); } to{ opacity:1; transform:none; } }
.assistant__header{ display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:1rem 1.1rem; background:var(--ink); color:var(--paper); }
.assistant__header-id{ display:flex; align-items:center; gap:.7rem; }
.assistant__avatar{ width:38px; height:38px; border-radius:50%; display:grid; place-items:center; background:rgba(255,255,255,.08); color:var(--brand-bright); }
.assistant__avatar svg{ width:22px; height:22px; }
.assistant__name{ font-weight:600; font-size:.95rem; }
.assistant__status{ font-size:.75rem; color:rgba(246,245,242,.6); }
.assistant__close{ width:36px; height:36px; border:0; background:rgba(255,255,255,.08); color:var(--paper); border-radius:50%; display:grid; place-items:center; }
.assistant__close svg{ width:20px; height:20px; }
.assistant__close:hover{ background:rgba(255,255,255,.16); }

.assistant__log{ flex:1; overflow-y:auto; padding:1.1rem; display:flex; flex-direction:column; gap:.75rem; background:var(--paper); }
.msg{ max-width:85%; padding:.7rem .9rem; border-radius:14px; font-size:.9rem; line-height:1.5; }
.msg--bot{ align-self:flex-start; background:var(--white); border:1px solid var(--line); border-bottom-left-radius:4px; }
.msg--user{ align-self:flex-end; background:var(--ink); color:var(--paper); border-bottom-right-radius:4px; }
.msg a{ color:var(--brand); font-weight:600; text-decoration:underline; }
.msg--bot strong{ color:var(--ink); }

.assistant__chips{ display:flex; flex-wrap:wrap; gap:.5rem; padding:.85rem 1.1rem; border-top:1px solid var(--line); background:var(--white); }
.assistant__chip{
  font-size:.82rem; font-weight:500;
  padding:.5rem .8rem; min-height:38px;
  background:var(--paper); color:var(--ink);
  border:1px solid var(--line); border-radius:999px;
  transition:background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.assistant__chip:hover{ background:var(--ink); color:var(--paper); border-color:var(--ink); }

.assistant__actions{ display:flex; gap:.6rem; padding:.85rem 1.1rem; border-top:1px solid var(--line); background:var(--white); }
.assistant__call{ flex:1; display:inline-flex; align-items:center; justify-content:center; gap:.5rem; min-height:44px; background:var(--accent); color:var(--white); border-radius:999px; font-weight:600; font-size:.9rem; }
.assistant__call:hover{ background:var(--accent-hover); }
.assistant__call svg{ width:18px; height:18px; }
.assistant__dismiss{ min-height:44px; padding:0 1.1rem; background:transparent; border:1px solid var(--line); border-radius:999px; font-weight:600; font-size:.9rem; color:var(--ink); }
.assistant__dismiss:hover{ background:var(--paper); }

/* ---------- 15. BACK-TO-TOP (bottom-right) ---------- */
.back-to-top{
  position:fixed; right:clamp(1rem,3vw,1.75rem); bottom:clamp(1rem,3vw,1.75rem); z-index:var(--z-float);
  width:52px; height:52px; border-radius:50%; border:0;
  background:var(--ink); color:var(--paper);
  display:grid; place-items:center;
  box-shadow:0 10px 30px rgba(16,17,20,.25);
  opacity:0; transform:translateY(12px) scale(.9); pointer-events:none;
  transition:opacity var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.back-to-top.is-visible{ opacity:1; transform:none; pointer-events:auto; }
.back-to-top:hover{ background:var(--brand); }
.back-to-top .icon{ width:22px; height:22px; }

/* ---------- 16. PRELOADER ---------- */
#preloader{
  position:fixed; inset:0; z-index:var(--z-preloader);
  background:var(--paper); color:var(--ink);       /* light, so full-color logo reads */
  display:grid; place-items:center;
  transition:opacity 600ms ease, visibility 600ms;
}
#preloader.is-hidden{ opacity:0; visibility:hidden; pointer-events:none; }
.preloader__inner{ display:flex; flex-direction:column; align-items:center; gap:1.4rem; }
.preloader__logo{ height:96px; width:auto; }
.preloader__bar{ width:180px; height:3px; background:var(--line); border-radius:3px; overflow:hidden; }
.preloader__bar span{ display:block; height:100%; width:40%; background:var(--brand); border-radius:3px; animation:loadbar 1.1s ease-in-out infinite; }
@keyframes loadbar{ 0%{ transform:translateX(-120%);} 100%{ transform:translateX(360%);} }
.preloader__tag{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.2em; color:var(--graphite); }

/* ---------- 17. SCROLL REVEAL (enhancement) ---------- */
/* Only hide pre-animation when JS is present AND motion allowed. */
html.js [data-reveal]{ opacity:0; transform:translateY(24px); transition:opacity 700ms var(--ease), transform 700ms var(--ease); }
html.js [data-reveal].is-in{ opacity:1; transform:none; }

/* ---------- 18. RESPONSIVE ---------- */
@media (min-width:1025px){
  .hero__scroll{ display:inline-flex; }
}
@media (max-width:1024px){
  .about__grid{ grid-template-columns:1fr; }
  .footer__grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:900px){
  .site-nav{ display:none; }
  .header-phone{ display:none; }
  .header-cta{ display:none; }
  .nav-toggle{ display:block; }
  .spotlight__grid{ grid-template-columns:1fr; }
  .spotlight__media{ order:-1; }
  .spotlight__img{ max-height:420px; }
}
@media (max-width:640px){
  .footer__grid{ grid-template-columns:1fr; }
  .hero__arrow{ display:none; }
  .trust-bar__list{ gap:1.25rem 1.5rem; }
  .trust-bar__item{ flex:1 1 40%; }
  .assistant__label{ display:none; }
  .assistant__toggle{ width:52px; padding:0; justify-content:center; }
}

/* ---------- 19. REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
  .hero__slide{ transition:opacity .001ms; }
  .hero__slide.is-anim.is-active{ animation:none; }
  html.js [data-reveal]{ opacity:1; transform:none; }
  .hero__scroll .icon{ animation:none; }
  .preloader__bar span{ animation:none; width:100%; }
}

/* =================================================================
   SUBPAGE STYLES (proizvodi / o-nama / kvalitet / kontakt)
   Reuse the tokens + components above; only add what's new.
   ================================================================= */

/* ---------- 20. PAGE HERO (single image, ~66vh) ---------- */
.page-hero{
  position:relative; display:flex; align-items:flex-end; overflow:hidden;
  height:66vh; height:calc(var(--vh, 1vh) * 66); min-height:440px;
  background:var(--ink); color:var(--paper);
}
@supports (height:100svh){ .page-hero{ height:66svh; } }
.page-hero__img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:0; }
.page-hero__scrim{
  position:absolute; inset:0; z-index:1;
  background:
    linear-gradient(105deg, rgba(19,26,56,.92) 0%, rgba(19,26,56,.74) 42%, rgba(19,26,56,.34) 72%, rgba(19,26,56,.12) 100%),
    linear-gradient(to top, rgba(19,26,56,.85) 0%, rgba(19,26,56,.22) 55%, rgba(30,42,110,.42) 100%);
}
.page-hero__content{
  position:relative; z-index:2; width:100%; max-width:var(--container); margin-inline:auto;
  padding:0 clamp(1.25rem,4vw,3rem) clamp(3rem,7vh,5rem);
}
.page-hero__title{
  font-family:var(--font-display); font-weight:600; font-size:var(--fs-h1);
  line-height:1.03; letter-spacing:-.025em; max-width:20ch; margin:.6rem 0 0;
}
.page-hero__subtitle{ font-size:var(--fs-lead); max-width:54ch; margin-top:var(--sp-3); color:rgba(244,246,250,.9); }
@media (max-width:640px){ .page-hero{ height:calc(var(--vh, 1vh) * 52); min-height:360px; } }

/* breadcrumb */
.breadcrumb{ display:flex; flex-wrap:wrap; align-items:center; gap:.5rem; font-family:var(--font-mono); font-size:.74rem; letter-spacing:.12em; text-transform:uppercase; color:rgba(244,246,250,.8); }
.breadcrumb a{ color:rgba(244,246,250,.8); transition:color var(--dur) var(--ease); }
.breadcrumb a:hover{ color:#fff; }
.breadcrumb__sep{ opacity:.5; }
.breadcrumb [aria-current]{ color:var(--brand-bright); }

/* ---------- 21. SUBPAGE SECTION HELPERS ---------- */
.section--alt{ background:var(--paper-dim); }
.lead-intro{ max-width:62ch; font-size:var(--fs-lead); color:var(--graphite); }

/* editorial split */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(2rem,5vw,4.5rem); align-items:center; }
.split + .split{ margin-top:clamp(3rem,6vw,5rem); }
.split__media{ border-radius:var(--radius); overflow:hidden; aspect-ratio:4/3; background:var(--ink); }
.split__media img{ width:100%; height:100%; object-fit:cover; }
.split__title{ font-family:var(--font-display); font-weight:600; font-size:var(--fs-h2); letter-spacing:-.02em; line-height:1.08; }
.split__body p{ color:var(--graphite); margin-top:var(--sp-3); }
.split__body p strong{ color:var(--ink); }
@media (max-width:860px){
  .split{ grid-template-columns:1fr; }
  .split--rev .split__media{ order:-1; }
}

/* timeline */
.timeline{ position:relative; margin-top:var(--sp-4); padding-left:2.25rem; }
.timeline::before{ content:""; position:absolute; left:.42rem; top:.4rem; bottom:.4rem; width:2px; background:var(--line); }
.timeline__item{ position:relative; padding:0 0 1.75rem; }
.timeline__item:last-child{ padding-bottom:0; }
.timeline__item::before{ content:""; position:absolute; left:-1.9rem; top:.3rem; width:12px; height:12px; border-radius:50%; background:var(--brand); box-shadow:0 0 0 4px var(--paper); }
.timeline__year{ font-family:var(--font-mono); font-weight:700; color:var(--accent); font-size:.85rem; letter-spacing:.06em; }
.timeline__text{ margin-top:.25rem; color:var(--graphite); }
.timeline__text strong{ color:var(--ink); font-family:var(--font-display); font-weight:600; }

/* ---------- 22. FEATURE BLOCKS / PROCESS STEPS (kvalitet) ---------- */
.feature-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(min(100%,280px),1fr)); gap:1.25rem; }
.feature-block{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:2rem 1.75rem; transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.feature-block:hover{ transform:translateY(-4px); box-shadow:0 16px 36px rgba(19,26,56,.10); }
.feature-block__icon{ width:52px; height:52px; border-radius:12px; background:var(--paper-dim); color:var(--brand); display:grid; place-items:center; margin-bottom:1rem; }
.feature-block__icon svg{ width:28px; height:28px; }
.feature-block h3{ font-family:var(--font-display); font-weight:600; font-size:var(--fs-h3); letter-spacing:-.01em; margin-bottom:.5rem; }
.feature-block p{ color:var(--graphite); font-size:.95rem; }

.process{ counter-reset:step; display:grid; gap:1rem; margin-top:var(--sp-2); }
.process__step{ display:flex; gap:1.25rem; align-items:flex-start; background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:1.5rem 1.75rem; }
.process__num{ counter-increment:step; flex:none; width:46px; height:46px; border-radius:50%; background:var(--ink); color:var(--paper); display:grid; place-items:center; font-family:var(--font-display); font-weight:700; }
.process__num::before{ content:counter(step, decimal-leading-zero); }
.process__step h3{ font-family:var(--font-display); font-weight:600; font-size:1.1rem; margin-bottom:.2rem; }
.process__step p{ color:var(--graphite); font-size:.93rem; }

/* ---------- 23. CONTACT PAGE + RFQ FORM ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(2rem,4vw,3.5rem); align-items:start; }
@media (max-width:860px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-info{ display:flex; flex-direction:column; gap:1.4rem; }
.contact-item{ display:flex; gap:1rem; align-items:flex-start; }
.contact-item__icon{ flex:none; width:44px; height:44px; border-radius:12px; background:var(--paper-dim); color:var(--brand); display:grid; place-items:center; }
.contact-item__icon svg{ width:22px; height:22px; }
.contact-item__label{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:var(--graphite); margin-bottom:.15rem; }
.contact-item__val{ font-size:1.02rem; font-weight:500; line-height:1.5; }
.contact-item__val a{ transition:color var(--dur) var(--ease); }
.contact-item__val a:hover{ color:var(--accent); }

.contact-media{ border-radius:var(--radius); overflow:hidden; aspect-ratio:4/3; background:var(--ink); margin-top:1.75rem; }
.contact-media img{ width:100%; height:100%; object-fit:cover; }

.rfq{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:clamp(1.5rem,3vw,2.5rem); }
.rfq__row{ display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
@media (max-width:520px){ .rfq__row{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:.4rem; margin-bottom:1rem; }
.field > label{ font-size:.85rem; font-weight:600; }
.field .req{ color:var(--accent); }
.field input,.field select,.field textarea{
  font-family:inherit; font-size:1rem; color:var(--ink); background:var(--paper);
  border:1.5px solid var(--line); border-radius:10px; padding:.75rem .9rem; min-height:48px;
  transition:border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field textarea{ min-height:130px; resize:vertical; }
.field input:focus,.field select:focus,.field textarea:focus{ outline:none; border-color:var(--brand-2); box-shadow:0 0 0 3px rgba(28,119,190,.15); }
.field.is-error input,.field.is-error select,.field.is-error textarea{ border-color:var(--accent); background:rgba(225,20,27,.03); }
.field__error{ font-size:.8rem; color:var(--accent); display:none; }
.field.is-error .field__error{ display:block; }
.rfq__status{ margin-top:1rem; padding:.9rem 1rem; border-radius:10px; font-size:.92rem; display:none; }
.rfq__status.is-ok{ display:block; background:rgba(28,119,190,.10); color:var(--brand); border:1px solid rgba(28,119,190,.30); }
.rfq__note{ margin-top:.85rem; font-size:.82rem; color:var(--graphite); }

/* map embed */
.map-embed{ border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); aspect-ratio:16/9; background:var(--paper-dim); }
.map-embed iframe{ width:100%; height:100%; border:0; display:block; }

/* ---------- 24. CATEGORY PAGE (kategorija.html) ---------- */
/* filter chips */
.kat-filters{ display:flex; flex-wrap:wrap; gap:.6rem; margin:0 0 2rem; }
.kat-filter{ font-size:.85rem; font-weight:600; padding:.55rem .95rem; min-height:44px; border-radius:999px; background:var(--white); border:1px solid var(--line); color:var(--ink); transition:background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.kat-filter:hover{ border-color:var(--brand-2); }
.kat-filter.is-active{ background:var(--ink); color:var(--paper); border-color:var(--ink); }

/* product grid + cards */
.prod-grid{ display:grid; gap:1.25rem; grid-template-columns:repeat(auto-fill, minmax(min(100%,300px),1fr)); }
.prod-card{ display:flex; flex-direction:column; background:var(--white); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.prod-card:hover{ transform:translateY(-5px); box-shadow:0 16px 36px rgba(19,26,56,.10); border-color:transparent; }
.prod-card.is-hidden{ display:none; }
.prod-card__media{ position:relative; aspect-ratio:16/10; background:var(--ink); overflow:hidden; border:0; padding:0; width:100%; cursor:pointer; }
.prod-card__media img{ width:100%; height:100%; object-fit:cover; transition:transform 600ms var(--ease); }
.prod-card:hover .prod-card__media img{ transform:scale(1.05); }
.prod-card__zoom{ position:absolute; top:.7rem; right:.7rem; width:34px; height:34px; border-radius:50%; background:rgba(19,26,56,.55); color:#fff; display:grid; place-items:center; backdrop-filter:blur(3px); }
.prod-card__zoom svg{ width:18px; height:18px; }
.prod-card__body{ display:flex; flex-direction:column; gap:.65rem; padding:1.4rem 1.5rem 1.6rem; flex:1; }
.prod-card__title{ font-family:var(--font-display); font-weight:600; font-size:1.1rem; letter-spacing:-.01em; }
.prod-card__desc{ color:var(--graphite); font-size:.92rem; flex:1; }
.chips{ display:flex; flex-wrap:wrap; gap:.4rem; }
.chip{ font-family:var(--font-mono); font-size:.7rem; letter-spacing:.02em; padding:.3rem .55rem; border-radius:6px; background:var(--paper-dim); color:var(--brand); }
.prod-card__foot{ display:flex; flex-wrap:wrap; gap:.6rem; align-items:center; margin-top:.35rem; }
.prod-card__foot .btn{ min-height:44px; padding:0 1.1rem; font-size:.9rem; }
.btn--sm{ min-height:44px; padding:0 1.1rem; font-size:.9rem; }

.kat-note{ margin-top:2rem; font-size:.9rem; color:var(--graphite); display:flex; gap:.6rem; align-items:flex-start; }
.kat-note svg{ width:20px; height:20px; color:var(--brand); flex:none; margin-top:.1rem; }

/* fallback (invalid slug) reuses .program__grid + .prog-card */
.kat-fallback{ text-align:center; max-width:56ch; margin:0 auto clamp(2rem,4vw,3rem); }

/* ---------- 25. QUICK-VIEW MODAL ---------- */
.kat-modal{ position:fixed; inset:0; z-index:var(--z-preloader); display:none; }
.kat-modal.is-open{ display:block; }
.kat-modal__backdrop{ position:absolute; inset:0; background:rgba(19,26,56,.55); backdrop-filter:blur(3px); }
.kat-modal__dialog{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:min(900px, calc(100vw - 2rem)); max-height:calc(100vh - 3rem);
  background:var(--white); border-radius:18px; overflow:hidden;
  display:grid; grid-template-columns:1.05fr 1fr;
  box-shadow:0 30px 80px rgba(19,26,56,.38);
  animation:modalIn var(--dur) var(--ease);
}
@keyframes modalIn{ from{ opacity:0; transform:translate(-50%,-47%) scale(.98); } to{ opacity:1; transform:translate(-50%,-50%) scale(1); } }
.kat-modal__media{ background:var(--ink); min-height:280px; }
.kat-modal__media img{ width:100%; height:100%; object-fit:cover; }
.kat-modal__body{ padding:clamp(1.6rem,3vw,2.4rem); overflow-y:auto; }
.kat-modal__eyebrow{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; color:var(--brand); }
.kat-modal__title{ font-family:var(--font-display); font-weight:600; font-size:clamp(1.35rem,2.5vw,1.7rem); letter-spacing:-.01em; margin:.35rem 0 .75rem; }
.kat-modal__desc{ color:var(--graphite); margin-bottom:1.1rem; }
.kat-modal__specs{ margin:0 0 1.4rem; }
.kat-modal__specs h4{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:var(--graphite); margin-bottom:.5rem; }
.kat-modal__close{ position:absolute; top:.8rem; right:.8rem; width:40px; height:40px; border-radius:50%; background:rgba(19,26,56,.55); color:#fff; border:0; display:grid; place-items:center; z-index:2; backdrop-filter:blur(3px); }
.kat-modal__close svg{ width:20px; height:20px; }
@media (max-width:720px){
  .kat-modal__dialog{ grid-template-columns:1fr; max-height:calc(100vh - 2rem); overflow-y:auto; }
  .kat-modal__media{ min-height:200px; max-height:38vh; }
}
body.modal-locked{ overflow:hidden; }
@media (prefers-reduced-motion: reduce){ .kat-modal__dialog{ animation:none; } }