/* ==========================================================================
   Zamjenski Ključ — theme.css
   Industrial/technical design system. Display: Geist · Body: Rethink Sans.
   Graphite ink + amber accent. Built on the Rea Consulting architecture.
   ========================================================================== */

/* ─── Tokens ──────────────────────────────────────────────────────────── */
:root {
  --zk-ink:        #14181f;   /* graphite near-black */
  --zk-ink-2:      #2b323d;
  --zk-ink-3:      #5b6675;
  --zk-ink-4:      #8a94a3;
  --zk-body:       #424b58;

  --zk-bg:         #f6f7f9;   /* light steel */
  --zk-bg-2:       #eef1f4;
  --zk-surface:    #ffffff;

  --zk-amber:      #ff7a00;   /* primary accent */
  --zk-amber-2:    #ff9027;
  --zk-amber-soft: rgba(255,122,0,0.10);
  --zk-blue:       #1f6feb;   /* secondary / links */

  --zk-line:        rgba(20,24,31,0.10);
  --zk-line-soft:   rgba(20,24,31,0.06);
  --zk-line-strong: rgba(20,24,31,0.16);

  --zk-display: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --zk-font:    'Rethink Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  --zk-r-sm: 8px; --zk-r-md: 12px; --zk-r-lg: 18px; --zk-r-xl: 24px; --zk-r-pill: 999px;

  --zk-container: 1240px;
  --zk-narrow: 880px;
  --zk-pad-x: clamp(18px, 4vw, 40px);

  --zk-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --zk-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --zk-dur: 0.28s;
  --zk-header-h: 76px;
  --zk-shadow-sm: 0 1px 2px rgba(20,24,31,0.04), 0 2px 8px rgba(20,24,31,0.05);
  --zk-shadow-md: 0 6px 24px rgba(20,24,31,0.08);
  --zk-shadow-lg: 0 20px 50px rgba(20,24,31,0.14);
}

/* ─── Base ────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--zk-font); font-size: 16px; line-height: 1.55;
  color: var(--zk-ink); background: var(--zk-bg);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
h1,h2,h3,h4,h5,h6 { font-family: var(--zk-display); font-weight: 700; margin: 0; letter-spacing: -0.02em; color: var(--zk-ink); line-height: 1.12; }
p { margin: 0; }
a { color: inherit; text-decoration: none; transition: color var(--zk-dur) var(--zk-ease); }
img, svg { display: block; max-width: 100%; height: auto; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--zk-amber-soft); color: var(--zk-ink); }
.zk-icon { display: inline-block; flex-shrink: 0; }

.zk-container { max-width: var(--zk-container); margin: 0 auto; padding-left: var(--zk-pad-x); padding-right: var(--zk-pad-x); }
.container-narrow { max-width: var(--zk-narrow); margin: 0 auto; }

/* Ambient technical grid background */
.zk-grid-bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(var(--zk-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--zk-line-soft) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
}

/* Scroll progress */
.zk-scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 100%; background: linear-gradient(90deg, var(--zk-amber), var(--zk-amber-2)); transform: scaleX(0); transform-origin: 0 50%; z-index: 1000; transition: transform .1s linear; }

/* ─── Buttons ─────────────────────────────────────────────────────────── */
.zk-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--zk-display); font-weight: 700; font-size: 0.95rem; padding: 13px 22px; border-radius: var(--zk-r-pill); border: 1.5px solid transparent; transition: transform var(--zk-dur) var(--zk-ease), background var(--zk-dur), box-shadow var(--zk-dur); cursor: pointer; }
.zk-btn--accent { background: var(--zk-amber); color: var(--zk-ink); box-shadow: 0 6px 18px rgba(255,122,0,0.28); }
.zk-btn--accent:hover { background: var(--zk-amber-2); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(255,122,0,0.36); }
.zk-btn--ghost { background: transparent; color: var(--zk-ink); border-color: var(--zk-line-strong); }
.zk-btn--ghost:hover { border-color: var(--zk-ink); transform: translateY(-2px); }
.zk-btn--text { background: transparent; color: var(--zk-ink-3); border: none; font-size: 0.88rem; }
.zk-btn--text:hover { color: var(--zk-amber); }
.zk-btn--block { width: 100%; }

.zk-link-arrow { display: inline-flex; align-items: center; gap: 6px; font-family: var(--zk-display); font-weight: 600; font-size: 0.9rem; color: var(--zk-ink-2); }
.zk-link-arrow:hover { color: var(--zk-amber); }
.zk-link-arrow svg { transition: transform var(--zk-dur) var(--zk-ease); }
.zk-link-arrow:hover svg { transform: translateX(4px); }

.zk-eyebrow { display: inline-block; font-family: var(--zk-display); font-weight: 600; font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--zk-amber); margin-bottom: 18px; }

/* ─── Header ──────────────────────────────────────────────────────────── */
.zk-header { position: sticky; top: 0; z-index: 900; background: rgba(246,247,249,0.82); backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid transparent; transition: border-color var(--zk-dur), background var(--zk-dur), box-shadow var(--zk-dur); }
.zk-header.is-scrolled { border-color: var(--zk-line); background: rgba(255,255,255,0.9); box-shadow: var(--zk-shadow-sm); }
.zk-header-row { display: flex; align-items: center; gap: 24px; height: var(--zk-header-h); transition: height var(--zk-dur) var(--zk-ease); }
.zk-header.is-scrolled .zk-header-row { height: 64px; }

.zk-brand { display: inline-flex; align-items: center; gap: 10px; }
.zk-brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 10px; background: var(--zk-ink); color: var(--zk-amber); }
.zk-brand-mark--light { background: var(--zk-amber); color: var(--zk-ink); }
.zk-brand-text { font-family: var(--zk-display); font-weight: 600; font-size: 1.15rem; letter-spacing: -0.02em; color: var(--zk-ink); }
.zk-brand-text strong { font-weight: 800; color: var(--zk-amber); }
.zk-brand-text--light { color: #fff; }

.zk-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.zk-nav-link { position: relative; font-family: var(--zk-display); font-weight: 600; font-size: 0.94rem; color: var(--zk-ink-2); padding: 8px 14px; border-radius: var(--zk-r-sm); }
.zk-nav-link:hover { color: var(--zk-ink); background: var(--zk-bg-2); }
.zk-nav-link.is-active { color: var(--zk-amber); }

.zk-header-actions { display: flex; align-items: center; gap: 12px; }
.zk-header-phone { display: inline-flex; align-items: center; gap: 7px; font-family: var(--zk-display); font-weight: 600; font-size: 0.9rem; color: var(--zk-ink); }
.zk-header-phone svg { color: var(--zk-amber); }
.zk-header-phone:hover { color: var(--zk-amber); }
.zk-header-cart { position: relative; display: inline-flex; color: var(--zk-ink); }
.zk-header-cart:hover { color: var(--zk-amber); }
.zk-cart-count { position: absolute; top: -8px; right: -10px; min-width: 18px; height: 18px; padding: 0 4px; border-radius: 999px; background: var(--zk-amber); color: var(--zk-ink); font-size: 0.66rem; font-weight: 800; display: flex; align-items: center; justify-content: center; font-family: var(--zk-display); }
.zk-hamburger { display: none; background: none; border: none; color: var(--zk-ink); padding: 4px; }

.zk-mobile-menu { display: none; flex-direction: column; padding: 8px var(--zk-pad-x) 20px; background: var(--zk-surface); border-bottom: 1px solid var(--zk-line); }
.zk-mobile-menu a { padding: 13px 4px; font-family: var(--zk-display); font-weight: 600; font-size: 1.05rem; border-bottom: 1px solid var(--zk-line-soft); }
.zk-mobile-phone { display: flex; align-items: center; gap: 8px; color: var(--zk-amber) !important; }
body.zk-menu-open .zk-mobile-menu { display: flex; }

/* ─── Hero + Quick-Select ─────────────────────────────────────────────── */
.zk-hero { position: relative; padding: clamp(48px, 8vw, 96px) 0 clamp(40px, 6vw, 72px); overflow: hidden; }
.zk-hero::before { content: ""; position: absolute; top: -20%; right: -10%; width: 60vw; height: 60vw; max-width: 760px; max-height: 760px; background: radial-gradient(circle, rgba(255,122,0,0.14), transparent 62%); pointer-events: none; }
.zk-hero-inner { max-width: 880px; margin: 0 auto; text-align: center; }
.zk-hero-title { font-size: clamp(2.2rem, 5.4vw, 4rem); font-weight: 800; letter-spacing: -0.035em; margin-bottom: 18px; }
.zk-hero-sub { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--zk-body); max-width: 620px; margin: 0 auto 36px; }

.zk-qs { background: var(--zk-surface); border: 1px solid var(--zk-line); border-radius: var(--zk-r-xl); box-shadow: var(--zk-shadow-lg); padding: clamp(18px, 3vw, 28px); max-width: 820px; margin: 0 auto; text-align: center; }
.zk-qs-tabs { display: inline-flex; gap: 6px; padding: 5px; background: var(--zk-bg-2); border-radius: var(--zk-r-pill); margin-bottom: 22px; }
.zk-qs-tab { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border: none; background: transparent; border-radius: var(--zk-r-pill); font-family: var(--zk-display); font-weight: 600; font-size: 0.92rem; color: var(--zk-ink-3); transition: background var(--zk-dur), color var(--zk-dur), box-shadow var(--zk-dur); }
.zk-qs-tab svg { color: currentColor; }
.zk-qs-tab.is-active { background: var(--zk-surface); color: var(--zk-ink); box-shadow: var(--zk-shadow-sm); }
.zk-qs-tab.is-active svg { color: var(--zk-amber); }

.zk-qs-panel { display: none; animation: zk-fade-up .35s var(--zk-ease-out); }
.zk-qs-panel.is-active { display: block; }
.zk-qs-label { font-family: var(--zk-display); font-weight: 600; font-size: 0.92rem; color: var(--zk-ink-3); margin-bottom: 14px; }

.zk-chips { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; }
.zk-chip { display: inline-flex; align-items: center; gap: 7px; padding: 9px 15px; background: var(--zk-bg); border: 1.5px solid var(--zk-line); border-radius: var(--zk-r-pill); font-family: var(--zk-display); font-weight: 600; font-size: 0.9rem; color: var(--zk-ink); transition: border-color var(--zk-dur), background var(--zk-dur), transform var(--zk-dur), box-shadow var(--zk-dur); }
.zk-chip:hover { border-color: var(--zk-amber); background: var(--zk-amber-soft); transform: translateY(-2px); box-shadow: 0 6px 14px rgba(255,122,0,0.16); }
.zk-chip-count { font-size: 0.72rem; font-weight: 700; color: var(--zk-ink-4); background: var(--zk-bg-2); padding: 1px 7px; border-radius: 999px; }
.zk-chip:hover .zk-chip-count { color: var(--zk-amber); background: #fff; }
.zk-chip--more { background: var(--zk-ink); color: #fff; border-color: var(--zk-ink); }
.zk-chip--more:hover { background: var(--zk-ink-2); color: #fff; }

.zk-qs-search { display: flex; align-items: center; gap: 10px; margin-top: 22px; padding: 6px 6px 6px 16px; background: var(--zk-bg); border: 1.5px solid var(--zk-line); border-radius: var(--zk-r-pill); transition: border-color var(--zk-dur), box-shadow var(--zk-dur); }
.zk-qs-search:focus-within { border-color: var(--zk-amber); box-shadow: 0 0 0 4px var(--zk-amber-soft); }
.zk-qs-search svg { color: var(--zk-ink-4); }
.zk-qs-search input { flex: 1; border: none; background: none; outline: none; font-family: var(--zk-font); font-size: 1rem; color: var(--zk-ink); }
.zk-qs-search button { padding: 11px 22px; border: none; border-radius: var(--zk-r-pill); background: var(--zk-amber); color: var(--zk-ink); font-family: var(--zk-display); font-weight: 700; }
.zk-qs-search button:hover { background: var(--zk-amber-2); }

/* ─── Trust strip ─────────────────────────────────────────────────────── */
.zk-trust { border-top: 1px solid var(--zk-line); border-bottom: 1px solid var(--zk-line); background: var(--zk-surface); }
.zk-trust-row { display: flex; flex-wrap: wrap; gap: 14px 36px; padding: 22px 0; justify-content: space-between; }
.zk-trust-item { display: inline-flex; align-items: center; gap: 12px; font-family: var(--zk-display); font-weight: 600; font-size: 0.96rem; color: var(--zk-ink-2); }
.zk-trust-icon { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 12px; background: var(--zk-amber-soft); color: var(--zk-amber); }

/* ─── Sections ────────────────────────────────────────────────────────── */
.zk-section { padding: clamp(48px, 7vw, 84px) 0; }
.zk-section--alt { background: var(--zk-bg-2); }
.zk-section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 36px; }
.zk-section-head h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); font-weight: 800; letter-spacing: -0.03em; }

/* Category grid */
.zk-cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.zk-cat-card { position: relative; display: flex; flex-direction: column; background: var(--zk-surface); border: 1px solid var(--zk-line); border-radius: var(--zk-r-lg); overflow: hidden; box-shadow: var(--zk-shadow-sm); transition: transform var(--zk-dur) var(--zk-ease), box-shadow var(--zk-dur), border-color var(--zk-dur); }
.zk-cat-card:hover { transform: translateY(-4px); box-shadow: var(--zk-shadow-md); border-color: var(--zk-line-strong); }
.zk-cat-thumb { aspect-ratio: 16/10; background: #fff center/contain no-repeat; background-origin: content-box; padding: 16px; border-bottom: 1px solid var(--zk-line-soft); }
.zk-cat-thumb:empty, .zk-cat-thumb:not([style]) { background-color: var(--zk-bg-2); }
.zk-cat-meta { padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.zk-cat-meta h3 { font-size: 1.05rem; }
.zk-cat-meta span { font-size: 0.82rem; color: var(--zk-ink-4); font-weight: 600; }

/* ─── Product grid + card ─────────────────────────────────────────────── */
.zk-grid-products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; transition: opacity var(--zk-dur); }
.zk-grid-products.is-loading { opacity: .5; pointer-events: none; }
.zk-shop-main .zk-grid-products { grid-template-columns: repeat(3, 1fr); }

.zk-card { display: flex; flex-direction: column; background: var(--zk-surface); border: 1px solid var(--zk-line); border-radius: var(--zk-r-lg); overflow: hidden; box-shadow: var(--zk-shadow-sm); transition: transform var(--zk-dur) var(--zk-ease), box-shadow var(--zk-dur), border-color var(--zk-dur); }
.zk-card:hover { transform: translateY(-4px); box-shadow: var(--zk-shadow-md); border-color: var(--zk-line-strong); }
.zk-card-media { position: relative; display: block; aspect-ratio: 1/1; background: #fff; padding: 14px; }
.zk-card-media img { width: 100%; height: 100%; object-fit: contain; transition: transform var(--zk-dur) var(--zk-ease); }
.zk-card:hover .zk-card-media img { transform: scale(1.04); }
.zk-card-badge { position: absolute; top: 12px; left: 12px; z-index: 2; background: var(--zk-amber); color: var(--zk-ink); font-family: var(--zk-display); font-weight: 800; font-size: 0.7rem; letter-spacing: 0.04em; text-transform: uppercase; padding: 4px 9px; border-radius: 6px; }
.zk-card-body { display: flex; flex-direction: column; gap: 8px; padding: 14px 16px 16px; flex: 1; border-top: 1px solid var(--zk-line-soft); }
.zk-card-cat { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--zk-ink-4); }
.zk-card-title { font-size: 0.98rem; font-weight: 600; line-height: 1.3; }
.zk-card-title a:hover { color: var(--zk-amber); }
.zk-card-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 6px; }
.zk-card-price { font-family: var(--zk-display); font-weight: 800; font-size: 1.05rem; color: var(--zk-ink); }
.zk-card-price del { color: var(--zk-ink-4); font-weight: 600; font-size: 0.85rem; margin-right: 4px; }
.zk-card-price ins { text-decoration: none; color: var(--zk-amber); }
.zk-card-cta { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background: var(--zk-bg-2); color: var(--zk-ink); transition: background var(--zk-dur), color var(--zk-dur), transform var(--zk-dur); }
.zk-card-cta:hover { background: var(--zk-amber); color: var(--zk-ink); transform: translateX(2px); }

/* ─── CTA band ────────────────────────────────────────────────────────── */
.zk-cta-band { background: var(--zk-ink); color: #fff; }
.zk-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: clamp(40px, 6vw, 64px) 0; flex-wrap: wrap; }
.zk-cta-band h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 10px; }
.zk-cta-band p { color: rgba(255,255,255,0.7); max-width: 460px; }
.zk-cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.zk-cta-band .zk-btn--ghost { color: #fff; border-color: rgba(255,255,255,0.3); }
.zk-cta-band .zk-btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,0.06); }

/* ─── Page hero ───────────────────────────────────────────────────────── */
.zk-page-hero { padding: clamp(40px, 6vw, 72px) 0 clamp(20px, 3vw, 32px); }
.zk-page-hero h1 { font-size: clamp(1.9rem, 4.4vw, 3rem); font-weight: 800; letter-spacing: -0.03em; }
.zk-page-hero p { color: var(--zk-body); margin-top: 12px; max-width: 640px; }
.zk-prose { color: var(--zk-body); line-height: 1.7; }
.zk-prose h2, .zk-prose h3 { margin: 1.6em 0 .6em; }
.zk-prose p { margin-bottom: 1em; }
.zk-prose a { color: var(--zk-blue); }

/* ─── Shop layout ─────────────────────────────────────────────────────── */
.zk-shop-layout { display: grid; grid-template-columns: 280px 1fr; gap: 32px; align-items: start; }
.zk-filters { position: sticky; top: calc(var(--zk-header-h) + 16px); background: var(--zk-surface); border: 1px solid var(--zk-line); border-radius: var(--zk-r-lg); box-shadow: var(--zk-shadow-sm); overflow: hidden; }
.zk-filters-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--zk-line); }
.zk-filters-head h2 { font-size: 1.05rem; }
.zk-filters-close { display: none; background: none; border: none; color: var(--zk-ink-3); }
.zk-filter-form { padding: 6px 0 14px; }

.zk-fgroup { border-bottom: 1px solid var(--zk-line-soft); }
.zk-fgroup-head { display: flex; align-items: center; justify-content: space-between; width: 100%; background: none; border: none; padding: 14px 18px; font-family: var(--zk-display); font-weight: 600; font-size: 0.94rem; color: var(--zk-ink); }
.zk-fgroup-head svg { color: var(--zk-ink-4); transition: transform var(--zk-dur) var(--zk-ease); }
.zk-fgroup.is-open .zk-fgroup-head svg { transform: rotate(180deg); }
.zk-fgroup-body { display: none; padding: 0 18px 14px; }
.zk-fgroup.is-open .zk-fgroup-body { display: block; animation: zk-fade-up .25s var(--zk-ease-out); }

.zk-fsearch { display: flex; align-items: center; gap: 8px; padding: 8px 12px; background: var(--zk-bg); border: 1px solid var(--zk-line); border-radius: var(--zk-r-sm); margin-bottom: 10px; }
.zk-fsearch svg { color: var(--zk-ink-4); }
.zk-fsearch input { flex: 1; border: none; background: none; outline: none; font-family: var(--zk-font); font-size: 0.9rem; }
.zk-fsearch--main { margin: 12px 18px 4px; }

.zk-foptions { list-style: none; margin: 0; padding: 0; max-height: 240px; overflow-y: auto; }
.zk-foptions::-webkit-scrollbar { width: 6px; }
.zk-foptions::-webkit-scrollbar-thumb { background: var(--zk-line-strong); border-radius: 3px; }
.zk-fopt { display: flex; align-items: center; gap: 9px; padding: 6px 2px; cursor: pointer; font-size: 0.9rem; }
.zk-fopt input { accent-color: var(--zk-amber); width: 16px; height: 16px; flex-shrink: 0; }
.zk-fopt-name { flex: 1; color: var(--zk-ink-2); }
.zk-fopt:hover .zk-fopt-name { color: var(--zk-ink); }
.zk-fopt-count { font-size: 0.74rem; font-weight: 700; color: var(--zk-ink-4); }

.zk-price-inputs { display: flex; align-items: center; gap: 8px; }
.zk-price-inputs input { width: 100%; padding: 9px 11px; border: 1px solid var(--zk-line); border-radius: var(--zk-r-sm); font-family: var(--zk-font); font-size: 0.9rem; outline: none; }
.zk-price-inputs input:focus { border-color: var(--zk-amber); box-shadow: 0 0 0 3px var(--zk-amber-soft); }
.zk-price-inputs span { color: var(--zk-ink-4); }

.zk-filter-actions { padding: 16px 18px 4px; display: flex; flex-direction: column; gap: 8px; }

/* Toolbar */
.zk-shop-toolbar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
.zk-result-count { font-family: var(--zk-display); font-weight: 700; font-size: 0.94rem; color: var(--zk-ink); }
.zk-active-pills { display: flex; flex-wrap: wrap; gap: 7px; flex: 1; }
.zk-pill { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; background: var(--zk-amber-soft); color: var(--zk-ink); border: 1px solid rgba(255,122,0,0.3); border-radius: var(--zk-r-pill); font-size: 0.8rem; font-weight: 600; font-family: var(--zk-display); }
.zk-pill span { color: var(--zk-amber); font-weight: 800; }
.zk-pill:hover { background: var(--zk-amber); }
.zk-sort { display: inline-flex; align-items: center; gap: 8px; font-size: 0.86rem; color: var(--zk-ink-3); margin-left: auto; }
.zk-sort select { padding: 8px 12px; border: 1px solid var(--zk-line); border-radius: var(--zk-r-sm); font-family: var(--zk-font); font-size: 0.88rem; background: var(--zk-surface); outline: none; }

.zk-filter-trigger { display: none; align-items: center; gap: 8px; padding: 11px 18px; background: var(--zk-ink); color: #fff; border: none; border-radius: var(--zk-r-pill); font-family: var(--zk-display); font-weight: 700; margin-bottom: 18px; }

.zk-empty { grid-column: 1 / -1; padding: 48px 0; text-align: center; color: var(--zk-ink-3); }
.zk-shop-loader { display: flex; justify-content: center; padding: 28px 0; }
.zk-spinner { width: 30px; height: 30px; border: 3px solid var(--zk-line); border-top-color: var(--zk-amber); border-radius: 50%; animation: zk-spin .7s linear infinite; }
@keyframes zk-spin { to { transform: rotate(360deg); } }

/* Pagination */
.zk-pagination { margin-top: 36px; display: flex; justify-content: center; }
.zk-pagination .page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 8px; margin: 0 3px; border: 1px solid var(--zk-line); border-radius: var(--zk-r-sm); font-family: var(--zk-display); font-weight: 600; font-size: 0.9rem; color: var(--zk-ink-2); cursor: pointer; transition: all var(--zk-dur); }
.zk-pagination .page-numbers:hover { border-color: var(--zk-amber); color: var(--zk-amber); }
.zk-pagination .page-numbers.current { background: var(--zk-amber); border-color: var(--zk-amber); color: var(--zk-ink); }
.zk-pagination .zk-dots { padding: 0 4px; color: var(--zk-ink-4); }

/* ─── Footer ──────────────────────────────────────────────────────────── */
.zk-footer { background: var(--zk-ink); color: rgba(255,255,255,0.72); padding: clamp(48px, 6vw, 72px) 0 28px; }
.zk-footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.zk-footer-tagline { font-family: var(--zk-display); font-weight: 600; color: #fff; margin: 16px 0 10px; }
.zk-footer-desc { font-size: 0.92rem; line-height: 1.6; }
.zk-footer-col h4 { color: #fff; font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; }
.zk-footer-col nav { display: flex; flex-direction: column; gap: 10px; }
.zk-footer-col nav a, .zk-footer-addr { display: inline-flex; align-items: center; gap: 8px; font-size: 0.92rem; color: rgba(255,255,255,0.72); }
.zk-footer-col nav a:hover { color: var(--zk-amber); }
.zk-footer-col svg { color: var(--zk-amber); }
.zk-footer-legal { display: flex; justify-content: space-between; align-items: center; gap: 14px 24px; flex-wrap: wrap; padding-top: 24px; font-size: 0.84rem; }
.zk-footer-legal-links { display: flex; gap: 20px; }
.zk-footer-legal-links a { color: rgba(255,255,255,0.72); }
.zk-footer-legal-links a:hover { color: var(--zk-amber); }
.zk-footer-credit a { color: var(--zk-amber); }

/* Back to top */
.zk-top { position: fixed; bottom: 24px; left: 24px; z-index: 800; width: 44px; height: 44px; border-radius: 50%; background: var(--zk-ink); color: #fff; border: none; display: flex; align-items: center; justify-content: center; opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity var(--zk-dur), transform var(--zk-dur), background var(--zk-dur); box-shadow: var(--zk-shadow-md); }
.zk-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.zk-top:hover { background: var(--zk-amber); color: var(--zk-ink); }

/* ─── Content pages (O nama / Usluge / Upute / Kontakt) ───────────────── */
.zk-note { margin-top: 28px; color: var(--zk-ink-3); font-size: 0.95rem; }

/* O nama */
.zk-onama-layout { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.zk-info-card { background: var(--zk-surface); border: 1px solid var(--zk-line); border-radius: var(--zk-r-lg); box-shadow: var(--zk-shadow-sm); padding: 24px; position: sticky; top: calc(var(--zk-header-h) + 16px); }
.zk-info-card h3 { font-size: 1.1rem; margin-bottom: 16px; }
.zk-info-list { list-style: none; margin: 0 0 20px; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.zk-info-list li { display: flex; flex-direction: column; gap: 2px; padding-bottom: 12px; border-bottom: 1px solid var(--zk-line-soft); }
.zk-info-list li:last-child { border-bottom: none; padding-bottom: 0; }
.zk-info-list span { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--zk-ink-4); font-weight: 700; }
.zk-info-list strong { font-family: var(--zk-display); font-weight: 600; color: var(--zk-ink); }
.zk-info-list a:hover { color: var(--zk-amber); }

/* Usluge */
.zk-services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.zk-service-card { background: var(--zk-surface); border: 1px solid var(--zk-line); border-radius: var(--zk-r-lg); box-shadow: var(--zk-shadow-sm); padding: 26px 24px; transition: transform var(--zk-dur) var(--zk-ease), box-shadow var(--zk-dur), border-color var(--zk-dur); }
.zk-service-card:hover { transform: translateY(-4px); box-shadow: var(--zk-shadow-md); border-color: var(--zk-line-strong); }
.zk-service-icon { display: inline-flex; align-items: center; justify-content: center; width: 50px; height: 50px; border-radius: 14px; background: var(--zk-amber-soft); color: var(--zk-amber); margin-bottom: 16px; }
.zk-service-card h3 { font-size: 1.12rem; margin-bottom: 10px; }
.zk-service-card p { color: var(--zk-body); font-size: 0.94rem; line-height: 1.6; }

/* Upute brand grid */
.zk-brand-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.zk-brand-card { display: flex; align-items: center; justify-content: space-between; gap: 10px; background: var(--zk-surface); border: 1px solid var(--zk-line); border-radius: var(--zk-r-md); padding: 16px 18px; box-shadow: var(--zk-shadow-sm); transition: transform var(--zk-dur) var(--zk-ease), border-color var(--zk-dur), box-shadow var(--zk-dur); }
.zk-brand-card:hover { transform: translateY(-3px); border-color: var(--zk-amber); box-shadow: var(--zk-shadow-md); }
.zk-brand-name { font-family: var(--zk-display); font-weight: 600; font-size: 0.96rem; color: var(--zk-ink); }
.zk-brand-go { color: var(--zk-ink-4); transition: transform var(--zk-dur) var(--zk-ease), color var(--zk-dur); }
.zk-brand-card:hover .zk-brand-go { color: var(--zk-amber); transform: translateX(3px); }
a.zk-brand-card { cursor: pointer; }
span.zk-brand-card { cursor: default; }

/* Upute lightbox */
.zk-lightbox { position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center; justify-content: center; padding: clamp(16px, 4vw, 48px); background: rgba(10,12,16,0.86); backdrop-filter: blur(5px); animation: zk-fade-up .2s var(--zk-ease-out); }
.zk-lightbox[hidden] { display: none; }
body.zk-lb-open { overflow: hidden; }
.zk-lightbox-close { position: fixed; top: 18px; right: 20px; width: 44px; height: 44px; border-radius: 50%; border: none; background: rgba(255,255,255,0.14); color: #fff; display: inline-flex; align-items: center; justify-content: center; transition: background var(--zk-dur); }
.zk-lightbox-close:hover { background: var(--zk-amber); color: var(--zk-ink); }
.zk-lightbox-fig { margin: 0; display: flex; flex-direction: column; width: 100%; max-width: 900px; max-height: 90vh; background: var(--zk-surface); border-radius: var(--zk-r-lg); overflow: hidden; box-shadow: var(--zk-shadow-lg); }
.zk-lightbox-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--zk-line); }
.zk-lightbox-bar figcaption { font-family: var(--zk-display); font-weight: 700; font-size: 1rem; color: var(--zk-ink); }
.zk-lightbox-bar a { font-family: var(--zk-display); font-weight: 600; font-size: 0.84rem; color: var(--zk-ink-3); display: inline-flex; align-items: center; gap: 6px; }
.zk-lightbox-bar a:hover { color: var(--zk-amber); }
.zk-lightbox-body { position: relative; overflow: auto; display: flex; align-items: flex-start; justify-content: center; background: var(--zk-bg-2); }
.zk-lightbox-body .zk-spinner { position: absolute; top: 40px; left: 50%; margin-left: -15px; }
.zk-lightbox.is-loading .zk-spinner { display: block; }
.zk-lightbox:not(.is-loading) .zk-spinner { display: none; }
.zk-lightbox-body img { display: block; width: 100%; height: auto; }
.zk-lightbox.is-loading .zk-lightbox-body img { opacity: 0; }

/* Kontakt */
.zk-kontakt-layout { display: grid; grid-template-columns: 360px 1fr; gap: 40px; align-items: start; }
.zk-contact-cards { display: flex; flex-direction: column; gap: 12px; }
.zk-contact-card { display: flex; align-items: center; gap: 16px; background: var(--zk-surface); border: 1px solid var(--zk-line); border-radius: var(--zk-r-md); box-shadow: var(--zk-shadow-sm); padding: 18px 20px; transition: border-color var(--zk-dur), transform var(--zk-dur); }
a.zk-contact-card:hover { border-color: var(--zk-amber); transform: translateY(-2px); }
.zk-contact-icon { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 12px; background: var(--zk-amber-soft); color: var(--zk-amber); flex-shrink: 0; }
.zk-contact-meta { display: flex; flex-direction: column; gap: 2px; }
.zk-contact-meta span { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--zk-ink-4); font-weight: 700; }
.zk-contact-meta strong { font-family: var(--zk-display); font-weight: 600; color: var(--zk-ink); }

.zk-contact-form { background: var(--zk-surface); border: 1px solid var(--zk-line); border-radius: var(--zk-r-lg); box-shadow: var(--zk-shadow-sm); padding: 28px; }
.zk-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.zk-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.zk-field label { font-family: var(--zk-display); font-weight: 600; font-size: 0.86rem; color: var(--zk-ink-2); }
.zk-field input, .zk-field select, .zk-field textarea { font-family: var(--zk-font); font-size: 0.96rem; padding: 11px 14px; border: 1px solid var(--zk-line); border-radius: var(--zk-r-sm); background: var(--zk-bg); outline: none; transition: border-color var(--zk-dur), box-shadow var(--zk-dur); }
.zk-field input:focus, .zk-field select:focus, .zk-field textarea:focus { border-color: var(--zk-amber); box-shadow: 0 0 0 3px var(--zk-amber-soft); background: #fff; }
.zk-form-note { margin-top: 12px; font-size: 0.82rem; color: var(--zk-ink-4); text-align: center; }
.zk-form-note a { color: var(--zk-ink-3); text-decoration: underline; }
.zk-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.zk-form-status { margin-top: 14px; padding: 12px 14px; border-radius: var(--zk-r-sm); font-size: 0.92rem; font-weight: 600; font-family: var(--zk-display); }
.zk-form-status:empty { display: none; }
.zk-form-status.is-ok { background: rgba(56,176,0,0.1); color: #2f8f2f; }
.zk-form-status.is-err { background: rgba(217,83,79,0.1); color: #c9302c; }

@media (max-width: 900px) {
  .zk-onama-layout, .zk-kontakt-layout { grid-template-columns: 1fr; }
  .zk-info-card, .zk-contact-card { position: static; }
  .zk-services-grid { grid-template-columns: repeat(2, 1fr); }
  .zk-brand-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .zk-services-grid, .zk-brand-grid { grid-template-columns: 1fr 1fr; }
  .zk-field-row { grid-template-columns: 1fr; }
}

/* ─── Reveal animation ────────────────────────────────────────────────── */
.zk-reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s var(--zk-ease-out), transform .6s var(--zk-ease-out); }
.zk-reveal.is-in { opacity: 1; transform: none; }
@keyframes zk-fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ─── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .zk-grid-products { grid-template-columns: repeat(3, 1fr); }
  .zk-shop-main .zk-grid-products { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .zk-nav, .zk-header-phone { display: none; }
  .zk-hamburger { display: inline-flex; }
  .zk-footer-grid { grid-template-columns: 1fr 1fr; }
  .zk-footer-brand { grid-column: 1 / -1; }
  .zk-cat-grid { grid-template-columns: repeat(2, 1fr); }

  /* Filters become a slide-over drawer */
  .zk-shop-layout { grid-template-columns: 1fr; }
  .zk-filter-trigger { display: inline-flex; }
  .zk-filters { position: fixed; top: 0; left: 0; bottom: 0; width: min(360px, 86vw); z-index: 1200; border-radius: 0; transform: translateX(-100%); transition: transform .32s var(--zk-ease-out); overflow-y: auto; }
  body.zk-filters-open .zk-filters { transform: translateX(0); box-shadow: var(--zk-shadow-lg); }
  body.zk-filters-open::after { content: ""; position: fixed; inset: 0; background: rgba(20,24,31,0.4); z-index: 1100; }
  .zk-filters-close { display: inline-flex; }
}
@media (max-width: 600px) {
  .zk-grid-products, .zk-shop-main .zk-grid-products { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .zk-cat-grid { grid-template-columns: 1fr; }
  .zk-qs-tabs { display: flex; width: 100%; }
  .zk-qs-tab { flex: 1; justify-content: center; }
  .zk-footer-grid { grid-template-columns: 1fr; }
  .zk-cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  .zk-reveal { opacity: 1; transform: none; }
}