/* =========================================================================
   VINEL — Components
   Header, buttons, cards, form, footer, page transitions, AI assistant.
   ========================================================================= */

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: var(--z-header);
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(247, 245, 239, 0.0);
  border-bottom: 1px solid transparent;
  transition: background var(--d-base) var(--ease-out),
              border-color var(--d-base) var(--ease-out),
              height var(--d-base) var(--ease-out),
              backdrop-filter var(--d-base) var(--ease-out);
}
.site-header.is-condensed {
  background: rgba(247, 245, 239, 0.92);
  border-bottom-color: var(--line);
  height: var(--header-h-condensed);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
}
.site-header__inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--gutter-x);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--s-32);
}

.brand-mark {
  display: inline-flex; align-items: baseline; gap: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--t-21);
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
  transition: color var(--d-base) var(--ease-out);
}
.brand-mark__dot { color: var(--volt); margin-left: 2px; transform: translateY(-1px); display: inline-block; }
.brand-mark__sub {
  font-family: var(--font-mono); font-size: var(--t-12); margin-left: 6px;
  color: var(--steel); letter-spacing: var(--ls-mono);
  transition: color var(--d-base) var(--ease-out);
}

/* ---------- Brand logo images (replace text wordmark) ----------
   Fixed heights keep the navbar/menu/footer/preloader layout stable;
   width auto preserves the logo's aspect ratio responsively. */
.brand-mark__logo {
  display: block;
  height: 36px;
  width: auto;
  max-height: 40px;
}
.site-header.is-condensed .brand-mark__logo { height: 30px; }
@media (max-width: 640px) {
  .brand-mark__logo { height: 30px; }
}
.mobile-menu .brand-mark--light .brand-mark__logo { height: 32px; max-height: 34px; }
.site-footer__logo {
  display: block;
  height: 68px;
  width: auto;
  max-width: 320px;
}
@media (max-width: 560px) {
  .site-footer__logo { height: 56px; }
}
.preloader__logo {
  width: clamp(200px, 40vw, 420px);
  height: auto;
  max-height: none;
}

/* ---------- Over-hero (transparent) state ----------
   When the homepage header sits over the dark hero (not yet scrolled),
   flip wordmark + nav links to white. The volt dot stays volt. Once the
   header condenses to the light bar, colors animate back to ink. */
body[data-page="home"] .site-header:not(.is-condensed) .brand-mark { color: var(--paper); }
body[data-page="home"] .site-header:not(.is-condensed) .brand-mark__sub { color: rgba(255,255,255,0.6); }
body[data-page="home"] .site-header:not(.is-condensed) .nav-link { color: var(--paper); }
body[data-page="home"] .site-header:not(.is-condensed) .nav-link__idx { color: rgba(255,255,255,0.55); }
body[data-page="home"] .site-header:not(.is-condensed) .nav-link__caret { color: rgba(255,255,255,0.55); }
body[data-page="home"] .site-header:not(.is-condensed) .nav-item--dropdown.is-open .nav-link__caret { color: var(--paper); }
body[data-page="home"] .site-header:not(.is-condensed) .header-search-btn {
  border-color: rgba(255,255,255,0.28); color: var(--paper);
}
body[data-page="home"] .site-header:not(.is-condensed) .header-search-btn:hover {
  background: rgba(255,255,255,0.08); border-color: var(--paper);
}
/* Header CTA: ghost-on-hero, solid-on-light */
body[data-page="home"] .site-header:not(.is-condensed) .header-actions .btn {
  background: transparent;
  color: var(--paper);
  border-color: rgba(255,255,255,0.45);
}
body[data-page="home"] .site-header:not(.is-condensed) .header-actions .btn::before { background: var(--volt); }
body[data-page="home"] .site-header:not(.is-condensed) .header-actions .btn:hover { color: var(--ink); border-color: var(--volt); }
/* Mobile menu button on dark hero */
body[data-page="home"] .site-header:not(.is-condensed) .menu-btn {
  border-color: rgba(255,255,255,0.30);
}
body[data-page="home"] .site-header:not(.is-condensed) .menu-btn-bars::before,
body[data-page="home"] .site-header:not(.is-condensed) .menu-btn-bars::after { background: var(--paper); }

.nav-main { display: flex; align-items: center; gap: clamp(8px, 1.6vw, 28px); justify-content: center; }
.nav-item { position: relative; }
.nav-link {
  position: relative;
  display: inline-flex; align-items: center; gap: var(--s-8);
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  color: var(--ink);
  padding: 10px 4px;
  white-space: nowrap;
  transition: color var(--d-base) var(--ease-out);
}
.nav-link__idx { color: var(--steel); transition: color var(--d-base) var(--ease-out); }
.nav-link__caret { transition: transform var(--d-base) var(--ease-out), color var(--d-base) var(--ease-out); color: var(--steel); }
.nav-item--dropdown.is-open .nav-link__caret { transform: rotate(180deg); color: var(--ink); }
.nav-link::after {
  content: ""; position: absolute; left: 4px; right: 4px; bottom: 4px;
  height: 1px; background: var(--volt);
  transform: scaleX(0); transform-origin: left center;
  transition: transform var(--d-base) var(--ease-out);
}
.nav-link:hover::after, .nav-link.is-active::after,
.nav-item--dropdown.is-open .nav-link::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--ink); }

/* ---------- Nav dropdown (Proizvodi) ---------- */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  width: min(720px, calc(100vw - 80px));
  max-width: 88vw;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px -24px rgba(23,23,15,0.32), 0 0 0 1px rgba(23,23,15,0.06);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--d-base) var(--ease-out), transform var(--d-base) var(--ease-out);
  z-index: 110;
}
.nav-dropdown::before {
  content: ""; position: absolute; top: -12px; left: 0; right: 0; height: 12px;
}
.nav-dropdown::after {
  content: ""; position: absolute; left: 0; top: 0; right: 0; height: 2px;
  background: var(--volt);
  transform: scaleX(0); transform-origin: left;
  transition: transform 500ms var(--ease-out);
}
.nav-item--dropdown.is-open .nav-dropdown {
  opacity: 1; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-item--dropdown.is-open .nav-dropdown::after { transform: scaleX(1); }
@media (prefers-reduced-motion: reduce) {
  .nav-dropdown { transition: opacity 0ms; transform: translateX(-50%) translateY(0); }
  .nav-dropdown::after { transition: transform 0ms; }
}

.nav-dropdown__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 24px;
}
.nav-dropdown__group { padding: 8px 16px; }
.nav-dropdown__group + .nav-dropdown__group { border-left: 1px solid var(--line); }
.nav-dropdown__group-head {
  display: flex; align-items: baseline; gap: 10px;
  margin-bottom: 16px; padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.nav-dropdown__group-idx {
  font-family: var(--font-mono); font-size: var(--t-12);
  letter-spacing: var(--ls-mono); color: var(--steel); text-transform: uppercase;
}
.nav-dropdown__group-title {
  font-family: var(--font-display); font-size: var(--t-16);
  letter-spacing: -0.005em; color: var(--ink); font-weight: 500;
}
.nav-dropdown__list { display: flex; flex-direction: column; gap: 0; }
.nav-dropdown__link {
  position: relative;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 10px 4px;
  font-family: var(--font-body);
  font-size: var(--t-14);
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: padding-left var(--d-fast) var(--ease-out), color var(--d-fast);
}
.nav-dropdown__link::before {
  content: ""; position: absolute; left: -4px; top: 50%; width: 0; height: 1px;
  background: var(--volt);
  transform: translateY(-50%);
  transition: width var(--d-base) var(--ease-out);
}
.nav-dropdown__link:hover { padding-left: 16px; }
.nav-dropdown__link:hover::before { width: 12px; }
.nav-dropdown__link:focus-visible { padding-left: 16px; outline: 0; }
.nav-dropdown__link:focus-visible::before { width: 12px; }
.nav-dropdown__link-name {
  font-family: inherit; text-transform: none; letter-spacing: 0;
}
.nav-dropdown__link-count {
  font-family: var(--font-mono); font-size: var(--t-12);
  letter-spacing: var(--ls-mono-tight); color: var(--steel);
}
.nav-dropdown__cta {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  margin-top: 8px;
}
.nav-dropdown__cta-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  font-family: var(--font-mono); font-size: var(--t-12);
  letter-spacing: var(--ls-mono); text-transform: uppercase;
  color: var(--ink);
  background: var(--paper-2);
  transition: background var(--d-base) var(--ease-out), color var(--d-base) var(--ease-out);
}
.nav-dropdown__cta-link:hover { background: var(--ink); color: var(--volt); }

@media (max-width: 900px) {
  .nav-dropdown { display: none; }
}

.header-actions { display: flex; align-items: center; gap: var(--s-12); justify-content: flex-end; }
.header-search-btn { width: 40px; height: 40px; border-radius: var(--r-pill); display:inline-grid; place-items:center; border: 1px solid var(--line); transition: background var(--d-fast), border-color var(--d-fast); }
.header-search-btn:hover { background: var(--paper-2); border-color: var(--ink); }

.menu-btn { display: none; }

@media (max-width: 900px) {
  .nav-main { display: none; }
  /* Hide the "Pošalji upit" CTA from the top bar on mobile — it overlaps the
     hamburger and crowds the bar. The CTA is moved into the mobile menu. */
  .site-header .header-actions .btn { display: none; }
  /* Hamburger flush right with comfortable padding from the edge. */
  .header-actions { gap: 0; }
  .menu-btn { display: inline-grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: var(--r-pill); }
  .menu-btn-bars { width: 18px; height: 12px; position: relative; }
  .menu-btn-bars::before, .menu-btn-bars::after { content: ""; position: absolute; left: 0; right: 0; height: 1.5px; background: var(--ink); }
  .menu-btn-bars::before { top: 2px; } .menu-btn-bars::after { bottom: 2px; }
}

/* ---------- Mobile menu ---------- */
.mobile-menu {
  position: fixed; inset: 0; z-index: var(--z-modal);
  background: var(--char); color: #fff;
  transform: translate3d(0, -100%, 0);
  transition: transform var(--d-slow) var(--ease-out);
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.mobile-menu.is-open { transform: none; }
.mobile-menu__top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px var(--gutter-x);
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
/* Brand mark in mobile menu — always WHITE letters, volt dot. */
.mobile-menu .brand-mark--light,
.mobile-menu .brand-mark { color: var(--paper); }
.mobile-menu .brand-mark__sub { color: rgba(255,255,255,0.55); }

.mobile-menu__close {
  width: 44px; height: 44px; display: grid; place-items: center;
  color: #fff; border: 1px solid rgba(255,255,255,0.18); border-radius: var(--r-pill);
  background: transparent;
  transition: background var(--d-fast), border-color var(--d-fast);
}
.mobile-menu__close:hover { background: rgba(255,255,255,0.08); border-color: var(--paper); }

.mobile-menu__list {
  padding: var(--s-12) var(--gutter-x) var(--s-12);
  display: flex; flex-direction: column;
  gap: 0;
}
.mobile-menu__link {
  display: grid;
  grid-template-columns: 38px 1fr 28px;
  align-items: center; gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-family: var(--font-display);
  font-size: var(--t-32);
  font-weight: 500;
  line-height: 1.05;
  color: var(--paper);
  letter-spacing: -0.015em;
  transition: color var(--d-fast), transform var(--d-fast);
  /* Stagger reveal — set initial state and animate when menu is open. */
  opacity: 0; transform: translateY(10px);
}
.mobile-menu.is-open .mobile-menu__link {
  opacity: 1; transform: none;
  transition:
    opacity var(--d-base) var(--ease-out),
    transform var(--d-base) var(--ease-out),
    color var(--d-fast),
    border-color var(--d-fast);
}
.mobile-menu.is-open .mobile-menu__link:nth-child(1) { transition-delay: 120ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(2) { transition-delay: 200ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(3) { transition-delay: 280ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(4) { transition-delay: 360ms; }
.mobile-menu__idx {
  font-family: var(--font-mono); font-size: var(--t-12);
  letter-spacing: var(--ls-mono); text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  align-self: center;
}
.mobile-menu__label { display: block; }
.mobile-menu__arrow {
  display: inline-grid; place-items: center;
  width: 28px; height: 28px; color: rgba(255,255,255,0.45);
  transition: transform var(--d-fast), color var(--d-fast);
}
.mobile-menu__link:hover .mobile-menu__label,
.mobile-menu__link.is-active .mobile-menu__label { color: var(--volt); }
.mobile-menu__link:hover .mobile-menu__arrow { color: var(--volt); transform: translate(2px, -2px); }

/* Bottom block — primary CTA + quick contact + address. */
.mobile-menu__bottom {
  padding: var(--s-24) var(--gutter-x) calc(var(--s-32) + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid rgba(255,255,255,0.10);
  display: flex; flex-direction: column; gap: var(--s-20);
  opacity: 0; transform: translateY(12px);
  transition: opacity var(--d-base) var(--ease-out), transform var(--d-base) var(--ease-out);
}
.mobile-menu.is-open .mobile-menu__bottom { opacity: 1; transform: none; transition-delay: 460ms; }

.mobile-menu__cta {
  width: 100%;
  justify-content: space-between;
}

.mobile-menu__quick { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid rgba(255,255,255,0.12); border-radius: 4px; overflow: hidden; }
.mobile-menu__quick-item {
  display: flex; flex-direction: column; gap: 4px;
  padding: 14px 14px;
  color: var(--paper);
}
.mobile-menu__quick-item + .mobile-menu__quick-item { border-left: 1px solid rgba(255,255,255,0.12); }
.mobile-menu__quick-item:hover { background: rgba(255,255,255,0.04); }
.mobile-menu__quick-label {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: var(--ls-mono); text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}
.mobile-menu__quick-value {
  font-family: var(--font-mono); font-size: var(--t-13);
  letter-spacing: var(--ls-mono-tight);
  color: var(--paper);
  word-break: break-all;
}
.mobile-menu__addr {
  font-family: var(--font-mono); font-size: var(--t-12);
  letter-spacing: var(--ls-mono-tight); text-transform: uppercase;
  color: rgba(255,255,255,0.42);
}

@media (prefers-reduced-motion: reduce) {
  .mobile-menu, .mobile-menu__link, .mobile-menu__bottom { transition: none; }
  .mobile-menu__link { opacity: 1; transform: none; }
  .mobile-menu__bottom { opacity: 1; transform: none; }
}

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex; align-items: center; gap: var(--s-12);
  font-family: var(--font-mono); font-size: var(--t-13); letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  padding: 16px 22px;
  border-radius: var(--r-pill);
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  transition: color var(--d-base) var(--ease-out), background var(--d-base) var(--ease-out), border-color var(--d-base) var(--ease-out), transform var(--d-fast) var(--ease-out);
}
.btn__label { position: relative; z-index: 2; }
.btn__arrow {
  position: relative; z-index: 2;
  display: inline-grid; place-items: center;
  width: 16px; height: 16px;
  transition: transform var(--d-base) var(--ease-out);
}
.btn:hover .btn__arrow { transform: translate(2px, -2px); }
.btn:active { transform: translateY(1px); }

/* "Voltage sweep" — primary button hover */
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(90deg, var(--volt) 0%, var(--volt) 100%);
  transform: translateX(-101%);
  transition: transform var(--d-slow) var(--ease-out);
}
.btn:hover::before { transform: translateX(0); }
.btn:hover { color: var(--ink); }

.btn--volt {
  background: var(--volt); color: var(--ink); border-color: var(--ink);
}
.btn--volt::before { background: var(--ink); }
.btn--volt:hover { color: var(--volt); }

.btn--ghost {
  background: transparent; color: var(--ink); border-color: var(--ink);
}
.btn--ghost::before { background: var(--ink); }
.btn--ghost:hover { color: var(--paper); }

.btn--char-ghost {
  background: transparent; color: var(--paper); border-color: rgba(255,255,255,0.30);
}
.btn--char-ghost::before { background: var(--volt); }
.btn--char-ghost:hover { color: var(--ink); border-color: var(--volt); }

.btn--sm { padding: 10px 16px; font-size: var(--t-12); }
.btn--xl { padding: 22px 32px; font-size: var(--t-14); }

/* Plain text link with voltage underline */
.tlink {
  display: inline-flex; align-items: center; gap: var(--s-8);
  font-family: var(--font-mono); font-size: var(--t-13); letter-spacing: var(--ls-mono-tight); text-transform: uppercase;
  padding: 4px 0; position: relative; color: var(--ink);
}
.tlink::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor;
}
.tlink::before {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; background: var(--volt);
  width: 100%; transform: scaleX(0); transform-origin: left;
  transition: transform var(--d-slow) var(--ease-out);
}
.tlink:hover::before { transform: scaleX(1); }

/* ---------- Cards: Category ---------- */
.cat-card {
  position: relative;
  display: block;
  padding: clamp(20px, 2.4vw, 32px);
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--r-0);
  overflow: hidden;
  transition: border-color var(--d-base) var(--ease-out), transform var(--d-base) var(--ease-out);
}
.cat-card__top {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: var(--s-16); margin-bottom: var(--s-32);
}
.cat-card__idx { font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); color: var(--steel); text-transform: uppercase; }
.cat-card__count { font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); color: var(--ink); text-transform: uppercase; }
.cat-card__title {
  font-family: var(--font-display); font-weight: 500;
  font-size: var(--t-24); letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 0 0 var(--s-12);
}
.cat-card__desc { font-size: var(--t-14); color: var(--steel); line-height: var(--lh-base); margin-bottom: var(--s-32); }
.cat-card__cta {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); text-transform: uppercase;
}
.cat-card__cta-arrow {
  width: 36px; height: 36px; display: grid; place-items: center;
  border: 1px solid var(--ink); border-radius: var(--r-pill);
  transition: background var(--d-base) var(--ease-out), color var(--d-base) var(--ease-out);
}
.cat-card:hover { border-color: var(--ink); }
.cat-card:hover .cat-card__cta-arrow { background: var(--ink); color: var(--paper); }
.cat-card:hover .cat-card__cta-arrow svg { transform: translate(2px, -2px); }
.cat-card__cta-arrow svg { transition: transform var(--d-base) var(--ease-out); }

/* Voltage sweep on card */
.cat-card::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px; background: var(--volt);
  transform: scaleY(0); transform-origin: top;
  transition: transform var(--d-slow) var(--ease-out);
}
.cat-card:hover::after { transform: scaleY(1); }

/* ---------- Product cards ---------- */
/* Unified product image system:
   - Consistent neutral paper-2 surface behind every product photo (white,
     yellow desk, wood-table sources all read on the same field).
   - Hairline ink frame + soft shadow lifts the card off the page.
   - Gentle desaturation by default; resolves to full color on hover.
   - Subtle zoom on hover; volt sweep line on top edge.
*/
.prod-card {
  position: relative;
  display: grid; grid-template-rows: auto 1fr auto;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(23,23,15,0.02), 0 6px 24px -16px rgba(23,23,15,0.18);
  transition:
    border-color var(--d-base) var(--ease-out),
    box-shadow var(--d-base) var(--ease-out),
    transform var(--d-base) var(--ease-out);
}
.prod-card:hover {
  border-color: var(--ink);
  box-shadow: 0 1px 0 rgba(23,23,15,0.04), 0 22px 50px -22px rgba(23,23,15,0.28);
  transform: translateY(-2px);
}
.prod-card__media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--paper-2);
  display: grid; place-items: center;
  padding: var(--s-16);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.prod-card__img {
  max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain;
  mix-blend-mode: multiply;
  filter: saturate(0.78) contrast(1.02);
  transition: transform 500ms var(--ease-out), filter 400ms var(--ease-out);
}
.prod-card:hover .prod-card__img {
  transform: scale(1.05);
  filter: saturate(1) contrast(1.02);
}
/* Voltage sweep across top edge on hover */
.prod-card::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: var(--volt); transform: scaleX(0); transform-origin: left;
  transition: transform 600ms var(--ease-out);
  z-index: 4;
}
.prod-card:hover::after { transform: scaleX(1); }
@media (prefers-reduced-motion: reduce) {
  .prod-card, .prod-card__img { transition: none; }
  .prod-card:hover { transform: none; }
  .prod-card:hover .prod-card__img { transform: none; }
}
/* Empty media slot — minimal hairline frame only (used only when even the
   category cover SVG is missing — should not happen in practice). */
.prod-card__placeholder {
  width: 64%; aspect-ratio: 1;
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(45deg,
      transparent 0,
      transparent 10px,
      rgba(23,23,15,0.04) 10px,
      rgba(23,23,15,0.04) 11px);
}

/* Cover-mode product card: SVG illustration over a soft paper field. */
.prod-card__img.is-cover {
  max-width: 80%; max-height: 80%;
  mix-blend-mode: normal;
  filter: none;
  opacity: 0.92;
}
.prod-card--cover .prod-card__media {
  background:
    radial-gradient(120% 70% at 50% 40%, rgba(220,35,51,0.06) 0%, transparent 60%),
    linear-gradient(160deg, #F3F0E5 0%, #E9E6D9 100%);
}
.prod-card__top {
  position: absolute; top: 12px; left: 12px; right: 12px;
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: var(--s-8); pointer-events: none;
}
.prod-card__sifra { font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono-tight); padding: 4px 8px; background: var(--surface); border: 1px solid var(--line); }
.prod-card__brand { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; padding: 4px 8px; background: var(--ink); color: var(--paper); }
.prod-card__body { padding: var(--s-20); display: flex; flex-direction: column; gap: var(--s-8); min-height: 110px; }
.prod-card__title { font-family: var(--font-display); font-weight: 500; font-size: var(--t-16); line-height: 1.25; letter-spacing: -0.01em; color: var(--ink); }
.prod-card__cat { font-size: var(--t-13); color: var(--steel); }
.prod-card__footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--s-16) var(--s-20);
  border-top: 1px solid var(--line);
  background: var(--paper);
}
.prod-card__price { font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); text-transform: uppercase; color: var(--ink); }
.prod-card__arrow { display: grid; place-items: center; width: 28px; height: 28px; border-radius: var(--r-pill); transition: background var(--d-base), color var(--d-base); }
.prod-card:hover .prod-card__arrow { background: var(--volt); }

/* Scan-line reveal on scroll */
.scan-init {
  position: relative; overflow: hidden;
}
.scan-init::before {
  content: ""; position: absolute; inset: 0; background: var(--paper); z-index: 5;
  transform: translateX(0); transition: transform 900ms var(--ease-out);
}
.scan-init.is-in::before { transform: translateX(101%); }
@media (prefers-reduced-motion: reduce) { .scan-init::before { display: none; } }

/* ---------- Service / feature blocks ---------- */
.service {
  position: relative;
  padding: var(--s-32) 0;
  border-top: 1px solid var(--line);
}
/* Animated hairline draw-in on the top border. */
.service::before {
  content: ""; position: absolute; left: 0; top: 0; height: 1px;
  width: 0; background: var(--ink);
  transition: width 800ms var(--ease-out);
}
.service.is-in::before { width: 100%; }
.service__row { display: grid; grid-template-columns: 64px 1fr 64px; gap: var(--s-24); align-items: center; padding: var(--s-8) 0; }
.service__idx { font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); color: var(--steel); padding-top: 4px; align-self: flex-start; }
.service__title {
  font-family: var(--font-display); font-size: var(--t-32); line-height: 1.1; letter-spacing: -0.02em;
  transition: transform var(--d-base) var(--ease-out), color var(--d-base) var(--ease-out);
}
.service:hover .service__title { transform: translateX(6px); }
.service__desc { font-size: var(--t-16); color: var(--steel); max-width: 56ch; margin-top: var(--s-8); }

/* Premium circular arrow button (flush right, vertically centered). */
.service__arrow {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  border-radius: var(--r-pill);
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  align-self: center;
  position: relative;
  overflow: hidden;
  transition: color var(--d-base) var(--ease-out), border-color var(--d-base) var(--ease-out);
}
.service__arrow::before {
  content: ""; position: absolute; inset: 0;
  background: var(--volt);
  transform: scale(0); transform-origin: center;
  transition: transform 500ms var(--ease-spike, cubic-bezier(0.16,1.36,0.4,1));
  border-radius: 50%;
  z-index: 0;
}
.service__arrow svg {
  position: relative; z-index: 1;
  transition: transform var(--d-base) var(--ease-out);
}
.service:hover .service__arrow,
.service__row:hover .service__arrow {
  border-color: var(--volt); color: var(--ink);
}
.service:hover .service__arrow::before,
.service__row:hover .service__arrow::before { transform: scale(1.08); }
.service:hover .service__arrow svg,
.service__row:hover .service__arrow svg { transform: translate(4px, -4px); }

/* Subtle volt-sweep line that animates left → right on hover of the row. */
.service::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--volt);
  transform: scaleX(0); transform-origin: left;
  transition: transform 600ms var(--ease-out);
  pointer-events: none;
  opacity: 0;
}
.service:hover::after { transform: scaleX(0.36); opacity: 1; }

/* Staggered reveal of the row content (index/title/arrow). */
.service__row > * {
  opacity: 0; transform: translateY(18px);
  transition: opacity var(--d-slow) var(--ease-out), transform var(--d-slow) var(--ease-out);
}
.service.is-in .service__row > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 80ms; }
.service.is-in .service__row > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 180ms; }
.service.is-in .service__row > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 280ms; }

@media (prefers-reduced-motion: reduce) {
  .service::before { transition: none; width: 100%; }
  .service::after { transition: none; }
  .service__row > * { transition: none; opacity: 1; transform: none; }
  .service__title { transition: none; }
  .service__arrow, .service__arrow svg, .service__arrow::before { transition: none; }
  .service:hover .service__title { transform: none; }
}

@media (max-width: 600px) {
  .service__row { grid-template-columns: 36px 1fr 44px; gap: var(--s-16); }
  .service__title { font-size: var(--t-24); }
  .service__arrow { width: 44px; height: 44px; }
}

/* ---------- Brand badges ---------- */
.brand-row {
  display: grid; gap: 0;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.brand-cell {
  padding: var(--s-32) var(--s-20);
  display: flex; flex-direction: column; gap: var(--s-8);
  position: relative;
}
.brand-cell + .brand-cell { border-left: 1px solid var(--line); }
.brand-cell__name { font-family: var(--font-display); font-size: var(--t-32); letter-spacing: -0.025em; line-height: 1; color: var(--ink); }
.brand-cell__meta { font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); color: var(--steel); text-transform: uppercase; }
.brand-cell::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--volt);
  transform: scaleX(0); transform-origin: left; transition: transform var(--d-slow) var(--ease-out);
}
.brand-cell:hover::after { transform: scaleX(1); }

@media (max-width: 760px) {
  .brand-row { grid-template-columns: repeat(2, 1fr); }
  .brand-cell + .brand-cell:nth-child(3) { border-top: 1px solid var(--line); }
  .brand-cell:nth-child(3) { border-left: 0; }
  .brand-cell:nth-child(4) { border-top: 1px solid var(--line); }
}

/* ---------- Stat counters ---------- */
.stat {
  border-top: 1px solid var(--line);
  padding-block: var(--s-32);
}
.stat__num {
  font-family: var(--font-display); font-weight: 500;
  font-size: var(--t-88); line-height: 0.9; letter-spacing: -0.04em;
  display: block;
}
.stat__label { font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); text-transform: uppercase; color: var(--steel); margin-top: var(--s-12); display: block; }

/* ---------- Footer ---------- */
.site-footer { background: var(--char); color: #ECEAE0; padding: var(--s-80) 0 var(--s-32); position: relative; overflow: hidden; }
.site-footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--s-40); padding-bottom: var(--s-64); }
.site-footer__brand { font-family: var(--font-display); font-size: var(--t-44); letter-spacing: -0.035em; line-height: 0.95; }
.site-footer__sub { font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); color: var(--steel-2); text-transform: uppercase; margin-top: var(--s-8); }
.site-footer h4 { font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); text-transform: uppercase; color: var(--steel-2); margin: 0 0 var(--s-20); font-weight: 500; }
.site-footer ul { display: flex; flex-direction: column; gap: var(--s-8); }
.site-footer a { color: #ECEAE0; transition: color var(--d-fast); }
.site-footer a:hover { color: var(--volt); }
.site-footer__bottom { display: flex; justify-content: space-between; gap: var(--s-32); padding-top: var(--s-32); border-top: 1px solid var(--line-dark); font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); text-transform: uppercase; color: var(--steel-2); }
.site-footer__credit a { color: var(--volt); }

@media (max-width: 900px) {
  .site-footer__top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .site-footer__top { grid-template-columns: 1fr; gap: var(--s-32); padding-bottom: var(--s-40); }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; gap: var(--s-12); padding-top: var(--s-24); }
}

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: var(--s-6); margin-bottom: var(--s-20); }
.field__label { font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); text-transform: uppercase; color: var(--steel); }
.field__label .req { color: var(--danger); margin-left: 2px; }
.input, .textarea, .select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 14px 16px;
  font-size: var(--t-16);
  font-family: var(--font-body);
  color: var(--ink);
  border-radius: var(--r-0);
  transition: border-color var(--d-fast), box-shadow var(--d-fast);
}
.input:focus, .textarea:focus, .select:focus { outline: 0; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(220,35,51,0.20); }
.textarea { min-height: 140px; resize: vertical; }
.hint { font-size: var(--t-13); color: var(--steel); margin-top: var(--s-6); }

/* ---------- Pills (filter chips) ---------- */
.pill {
  display: inline-flex; align-items: center; gap: var(--s-8);
  padding: 8px 14px; border: 1px solid var(--line); background: var(--surface);
  font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono-tight); text-transform: uppercase; color: var(--ink);
  border-radius: var(--r-pill); cursor: pointer;
  transition: background var(--d-fast), color var(--d-fast), border-color var(--d-fast);
}
.pill__count { color: var(--steel); }
.pill:hover { border-color: var(--ink); }
.pill.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.pill.is-active .pill__count { color: var(--steel-2); }

/* ---------- Search bar ---------- */
.search-wrap { position: relative; }
.search-input {
  width: 100%; height: 60px; padding: 0 60px 0 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: var(--t-16);
  color: var(--ink);
  transition: border-color var(--d-fast), box-shadow var(--d-fast);
}
.search-input::placeholder { color: var(--steel-2); }
.search-input:focus { outline: 0; border-color: var(--ink); box-shadow: 0 0 0 4px rgba(220,35,51,0.20); }
.search-icon {
  position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 24px; color: var(--steel);
}
.search-results {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: var(--surface); border: 1px solid var(--line);
  max-height: 60vh; overflow-y: auto;
  z-index: 30;
  display: none;
}
.search-results.is-open { display: block; }
.search-result { display: grid; grid-template-columns: 56px 1fr auto; gap: var(--s-12); padding: 12px 16px; border-bottom: 1px solid var(--line); align-items: center; }
.search-result:last-child { border-bottom: 0; }
.search-result:hover { background: var(--paper-2); }
.search-result__img { width: 56px; height: 56px; object-fit: contain; background: var(--paper-2); border: 1px solid var(--line); }
.search-result__title { font-family: var(--font-display); font-size: var(--t-14); }
.search-result__cat { font-family: var(--font-mono); font-size: var(--t-12); color: var(--steel); letter-spacing: var(--ls-mono-tight); text-transform: uppercase; }
.search-result__sifra { font-family: var(--font-mono); font-size: var(--t-12); color: var(--ink); }

/* ---------- Page transition curtain ---------- */
.page-curtain {
  position: fixed; inset: 0; z-index: 950;
  pointer-events: none;
  display: grid; place-items: center;
}
.page-curtain__panel {
  position: absolute; inset: 0;
  background: var(--char);
  transform: translate3d(0, 100%, 0);
}
.page-curtain__panel--volt { background: var(--volt); }
.page-curtain__mark { position: relative; color: #fff; font-family: var(--font-display); font-size: var(--t-44); opacity: 0; }

/* ---------- Preloader ---------- */
.preloader {
  position: fixed; inset: 0; z-index: var(--z-preloader);
  background: var(--char); color: #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  overflow: hidden;
}
.preloader__line {
  position: absolute; left: 0; right: 0; top: 50%;
  height: 2px; background: var(--volt);
  transform-origin: left center;
  transform: scaleX(0);
  box-shadow: 0 0 24px var(--volt);
}
.preloader__center {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: var(--s-24);
}
.preloader__brand {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(2.8rem, 12vw, 9rem); letter-spacing: -0.04em;
  line-height: 0.85;
  opacity: 0;
}
.preloader__brand .dot { color: var(--volt); }
.preloader__meta {
  font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); text-transform: uppercase;
  display: flex; gap: var(--s-24); color: var(--steel-2);
  opacity: 0;
}
.preloader__counter { color: var(--volt); }

.preloader.is-leaving { transition: clip-path 900ms var(--ease-out); }

/* ---------- Floating action buttons ---------- */
/* Mirrored pair: AI assistant bottom-left, back-to-top bottom-right.
   Identical size, identical distance from bottom + side edges. */
:root {
  --float-edge: 24px;
  --float-size: 48px;
}
@media (max-width: 600px) {
  :root { --float-edge: 16px; }
}

.back-top {
  position: fixed; right: var(--float-edge); bottom: var(--float-edge);
  width: var(--float-size); height: var(--float-size);
  background: var(--ink); color: var(--paper);
  display: grid; place-items: center;
  border-radius: var(--r-pill);
  opacity: 0; pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--d-base) var(--ease-out), transform var(--d-base) var(--ease-out), background var(--d-base), color var(--d-base);
  z-index: 80;
}
.back-top.is-visible { opacity: 1; pointer-events: auto; transform: none; }
.back-top:hover { background: var(--volt); color: var(--ink); }

/* ---------- AI Assistant Widget ---------- */
.ai-launcher {
  position: fixed; left: var(--float-edge); bottom: var(--float-edge); z-index: 80;
  width: var(--float-size); height: var(--float-size);
  display: grid; place-items: center;
  padding: 0;
  background: var(--ink); color: var(--paper);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background var(--d-base), color var(--d-base);
}
.ai-launcher:hover { background: var(--volt); color: var(--ink); }
.ai-launcher__dot {
  position: absolute; top: 6px; right: 6px;
  width: 8px; height: 8px; background: var(--volt); border-radius: 50%;
  box-shadow: 0 0 8px var(--volt);
  animation: pulse-dot 2.2s ease-in-out infinite;
}
.ai-launcher:hover .ai-launcher__dot { background: var(--ink); box-shadow: none; }
.ai-launcher__icon { width: 20px; height: 20px; display: block; }
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.ai-panel {
  position: fixed; left: var(--float-edge); bottom: calc(var(--float-edge) + var(--float-size) + 12px); z-index: 81;
  width: min(380px, calc(100vw - (var(--float-edge) * 2)));
  height: min(560px, calc(100vh - 200px));
  background: var(--surface); border: 1px solid var(--line);
  display: none; flex-direction: column;
  box-shadow: var(--shadow-2);
  transform-origin: left bottom;
}
.ai-panel.is-open { display: flex; }
.ai-panel__head { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.ai-panel__title { font-family: var(--font-display); font-size: var(--t-18); }
.ai-panel__sub { font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); color: var(--steel); text-transform: uppercase; }
.ai-panel__close { width: 32px; height: 32px; display: grid; place-items: center; border-radius: var(--r-pill); border: 1px solid var(--line); }
.ai-panel__messages { flex: 1; overflow-y: auto; padding: 16px 20px; display: flex; flex-direction: column; gap: var(--s-12); background: var(--paper); }
.ai-msg { padding: 10px 14px; border-radius: 14px; max-width: 80%; font-size: var(--t-14); line-height: 1.4; }
.ai-msg--bot { background: var(--surface); border: 1px solid var(--line); align-self: flex-start; }
.ai-msg--user { background: var(--ink); color: var(--paper); align-self: flex-end; }
.ai-panel__form { display: grid; grid-template-columns: 1fr auto; gap: var(--s-8); padding: 12px; border-top: 1px solid var(--line); }
.ai-panel__form input { border: 1px solid var(--line); padding: 10px 12px; }
.ai-panel__form button { padding: 10px 14px; background: var(--ink); color: var(--paper); font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono); text-transform: uppercase; }
.ai-suggestions { display: flex; gap: 6px; flex-wrap: wrap; padding: 8px 12px 0; }
.ai-suggestion { font-family: var(--font-mono); font-size: var(--t-12); letter-spacing: var(--ls-mono-tight); text-transform: uppercase; padding: 6px 10px; background: var(--paper-2); border: 1px solid var(--line); cursor: pointer; }
.ai-suggestion:hover { background: var(--volt); border-color: var(--volt); }