/* TEKORA TOV — electronics & IT hardware distribution, Kyiv.
   Bespoke stylesheet, prefix tko-. Dark technical theme. Not shared with any sibling site. */

:root {
  --tko-bg: #0a111f;
  --tko-bg-2: #0e1a2e;
  --tko-panel: #12213a;
  --tko-panel-2: #17294697;
  --tko-ink: #e9f0fb;
  --tko-ink-soft: #99acc9;
  --tko-ink-dim: #6a7d9c;
  --tko-line: #203450;
  --tko-line-2: #2b466b;
  --tko-cyan: #29d3e6;
  --tko-cyan-2: #7fecf6;
  --tko-blue: #5b8cff;
  --tko-amber: #f6a935;
  --tko-max: 1160px;
  --tko-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --tko-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--tko-sans);
  color: var(--tko-ink);
  background: var(--tko-bg);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--tko-cyan); }
h1, h2, h3, h4 { line-height: 1.14; }

::selection { background: var(--tko-cyan); color: #04121a; }

.tko-skip {
  position: absolute; left: -999px; top: 0;
  background: var(--tko-cyan); color: #04121a; padding: .6rem 1rem; z-index: 80;
  font-weight: 700; border-radius: 0 0 8px 0;
}
.tko-skip:focus { left: 0; top: 0; }

.tko-wrap { width: 100%; max-width: var(--tko-max); margin: 0 auto; padding: 0 1.5rem; }

/* ---------- utility strip ---------- */
.tko-utility {
  background: #060c17;
  border-bottom: 1px solid var(--tko-line);
  font-family: var(--tko-mono);
  font-size: .72rem;
  color: var(--tko-ink-dim);
  letter-spacing: .03em;
}
.tko-utility-inner {
  max-width: var(--tko-max); margin: 0 auto; padding: .4rem 1.5rem;
  display: flex; align-items: center; gap: .55rem; flex-wrap: wrap;
}
.tko-utility a { color: var(--tko-ink-soft); text-decoration: none; }
.tko-utility a:hover { color: var(--tko-cyan); }
.tko-utility .tko-dot { color: var(--tko-line-2); }
.tko-utility .tko-u-right { margin-left: auto; color: var(--tko-cyan); }

/* ---------- top nav ---------- */
.tko-nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(10,17,31,.86);
  backdrop-filter: saturate(1.3) blur(10px);
  border-bottom: 1px solid var(--tko-line);
}
.tko-nav-inner {
  max-width: var(--tko-max); margin: 0 auto; padding: .8rem 1.5rem;
  display: flex; align-items: center; gap: 1.2rem;
}
.tko-brand { display: flex; align-items: center; gap: .65rem; text-decoration: none; }
.tko-brand-mark { width: 34px; height: 34px; }
.tko-brand-text {
  display: flex; flex-direction: column; line-height: 1;
  font-weight: 800; font-size: 1.16rem; letter-spacing: .16em; color: var(--tko-ink);
}
.tko-brand-sub {
  font-family: var(--tko-mono); font-weight: 500; font-size: .58rem; letter-spacing: .22em;
  text-transform: uppercase; color: var(--tko-cyan); margin-top: 5px;
}
.tko-nav-links { display: flex; gap: 1.6rem; margin-left: auto; }
.tko-nav-links a {
  position: relative; text-decoration: none; color: var(--tko-ink-soft);
  font-size: .9rem; font-weight: 500; padding: .25rem 0; letter-spacing: .01em;
  display: inline-flex; align-items: center; gap: .4rem;
}
.tko-nav-links a::before {
  content: ""; width: 6px; height: 6px; border-radius: 2px;
  background: var(--tko-line-2); transition: background .18s ease, box-shadow .18s ease;
}
.tko-nav-links a:hover, .tko-nav-links a[aria-current="page"] { color: var(--tko-ink); }
.tko-nav-links a:hover::before, .tko-nav-links a[aria-current="page"]::before {
  background: var(--tko-cyan); box-shadow: 0 0 8px var(--tko-cyan);
}
.tko-nav-toggle {
  display: none; margin-left: auto; background: transparent; color: var(--tko-ink);
  border: 1px solid var(--tko-line-2); border-radius: 7px; padding: .4rem .8rem;
  font: inherit; font-size: .85rem; cursor: pointer;
}
.tko-nav-toggle:hover { border-color: var(--tko-cyan); color: var(--tko-cyan); }

/* ---------- buttons ---------- */
.tko-btn {
  display: inline-flex; align-items: center; gap: .55rem;
  background: var(--tko-cyan); color: #04121a; text-decoration: none;
  padding: .78rem 1.4rem; border-radius: 8px; font-size: .92rem; font-weight: 700;
  border: 1px solid var(--tko-cyan); letter-spacing: .01em;
  transition: transform .14s ease, box-shadow .18s ease, background .18s ease;
}
.tko-btn::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #04121a; }
.tko-btn:hover { background: var(--tko-cyan-2); transform: translateY(-1px); box-shadow: 0 10px 26px -14px var(--tko-cyan); }
.tko-btn-ghost { background: transparent; color: var(--tko-cyan); border-color: var(--tko-line-2); }
.tko-btn-ghost::before { background: var(--tko-cyan); box-shadow: 0 0 8px var(--tko-cyan); }
.tko-btn-ghost:hover { background: rgba(41,211,230,.08); border-color: var(--tko-cyan); box-shadow: none; }

/* ---------- kicker label ---------- */
.tko-kicker {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--tko-mono); font-size: .72rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--tko-cyan); font-weight: 600;
}
.tko-kicker::before { content: ""; width: 22px; height: 2px; background: var(--tko-cyan); box-shadow: 0 0 8px var(--tko-cyan); }

/* ---------- hero ---------- */
.tko-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--tko-line);
  background: radial-gradient(120% 90% at 82% -10%, rgba(91,140,255,.16), transparent 55%),
              radial-gradient(90% 80% at 8% 110%, rgba(41,211,230,.10), transparent 60%),
              var(--tko-bg); }
.tko-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(var(--tko-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--tko-line) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(110% 70% at 70% 0%, #000 30%, transparent 78%);
          mask-image: radial-gradient(110% 70% at 70% 0%, #000 30%, transparent 78%);
}
.tko-hero-inner { position: relative; z-index: 1; padding: 4.8rem 0 3.2rem; }
.tko-hero h1 {
  font-size: clamp(2.35rem, 6vw, 4.1rem); font-weight: 800; letter-spacing: -.02em;
  margin: 1.1rem 0 1.1rem; max-width: 17ch;
}
.tko-hero h1 em { font-style: normal; color: transparent;
  background: linear-gradient(100deg, var(--tko-cyan), var(--tko-blue)); -webkit-background-clip: text; background-clip: text; }
.tko-hero-lead { font-size: 1.1rem; color: var(--tko-ink-soft); max-width: 54ch; margin: 0 0 1.8rem; }
.tko-hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }

.tko-chips { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2.6rem; }
.tko-chip {
  display: inline-flex; align-items: center; gap: .5rem;
  border: 1px solid var(--tko-line-2); background: rgba(18,33,58,.6); border-radius: 999px;
  padding: .5rem .95rem; font-size: .82rem; color: var(--tko-ink-soft);
}
.tko-chip svg { width: 15px; height: 15px; color: var(--tko-cyan); }

/* ---------- section base ---------- */
.tko-section { padding: 4rem 0; border-bottom: 1px solid var(--tko-line); }
.tko-section.tko-alt { background: linear-gradient(180deg, var(--tko-bg-2), var(--tko-bg)); }
.tko-sec-head { max-width: 66ch; margin-bottom: 2.4rem; }
.tko-sec-head h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); font-weight: 700; letter-spacing: -.01em; margin: .8rem 0 .6rem; }
.tko-sec-head p { margin: 0; color: var(--tko-ink-soft); font-size: 1.02rem; }

/* ---------- category tiles ---------- */
.tko-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.tko-tile {
  position: relative; border: 1px solid var(--tko-line); border-radius: 12px;
  background: linear-gradient(180deg, rgba(18,33,58,.7), rgba(10,17,31,.4));
  padding: 1.5rem 1.35rem 1.3rem; overflow: hidden;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.tko-tile::after {
  content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 42px;
  background: linear-gradient(90deg, var(--tko-cyan), var(--tko-blue));
  transition: width .22s ease;
}
.tko-tile:hover { transform: translateY(-4px); border-color: var(--tko-line-2); box-shadow: 0 18px 40px -26px rgba(41,211,230,.55); }
.tko-tile:hover::after { width: 100%; }
.tko-tile-code { font-family: var(--tko-mono); font-size: .7rem; letter-spacing: .12em; color: var(--tko-cyan); }
.tko-tile-ic { width: 34px; height: 34px; color: var(--tko-cyan); margin: .9rem 0 .8rem; }
.tko-tile h3 { font-size: 1.16rem; font-weight: 700; margin: 0 0 .5rem; }
.tko-tile p { margin: 0 0 .8rem; font-size: .93rem; color: var(--tko-ink-soft); }
.tko-tile-tags { font-family: var(--tko-mono); font-size: .72rem; color: var(--tko-ink-dim); letter-spacing: .01em; }

/* ---------- spec table (distribution / services) ---------- */
.tko-spec { border: 1px solid var(--tko-line); border-radius: 12px; overflow: hidden; }
.tko-spec-row {
  display: grid; grid-template-columns: 92px 1fr 2fr; gap: 1.1rem; align-items: baseline;
  padding: 1.15rem 1.3rem; border-bottom: 1px solid var(--tko-line);
  background: rgba(18,33,58,.35);
}
.tko-spec-row:last-child { border-bottom: 0; }
.tko-spec-row:nth-child(odd) { background: rgba(10,17,31,.35); }
.tko-spec-code { font-family: var(--tko-mono); font-size: .78rem; color: var(--tko-cyan); }
.tko-spec-name { font-weight: 700; font-size: 1.03rem; }
.tko-spec-desc { color: var(--tko-ink-soft); font-size: .93rem; }

/* ---------- about + registry ---------- */
.tko-about { display: grid; grid-template-columns: 1.35fr 1fr; gap: 2.6rem; align-items: start; }
.tko-about p { color: var(--tko-ink-soft); }
.tko-about h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); font-weight: 700; margin: .6rem 0 1rem; letter-spacing: -.01em; }
.tko-registry {
  border: 1px solid var(--tko-line-2); border-radius: 12px; overflow: hidden;
  background: linear-gradient(180deg, #0c1727, #0a1220); font-family: var(--tko-mono);
}
.tko-registry-head {
  display: flex; align-items: center; gap: .5rem; padding: .7rem 1rem;
  border-bottom: 1px solid var(--tko-line); font-size: .72rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--tko-ink-dim);
}
.tko-registry-head .tko-led { width: 9px; height: 9px; border-radius: 50%; background: var(--tko-cyan); box-shadow: 0 0 8px var(--tko-cyan); }
.tko-registry dl { margin: 0; padding: .6rem 1rem 1rem; }
.tko-registry dt { font-size: .64rem; letter-spacing: .12em; text-transform: uppercase; color: var(--tko-ink-dim); margin-top: .85rem; }
.tko-registry dd { margin: .18rem 0 0; font-size: .9rem; color: var(--tko-ink); font-family: var(--tko-sans); }
.tko-registry dd a { color: var(--tko-cyan-2); }

/* ---------- CTA band ---------- */
.tko-cta { position: relative; overflow: hidden;
  background: linear-gradient(120deg, #0e2036, #0a1220 60%);
  border-bottom: 1px solid var(--tko-line); }
.tko-cta::before {
  content: ""; position: absolute; inset: 0; opacity: .35; pointer-events: none;
  background-image: radial-gradient(circle at 1px 1px, var(--tko-line-2) 1px, transparent 0);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 40%, #000 60%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 40%, #000 60%, transparent);
}
.tko-cta .tko-wrap { position: relative; padding: 3.6rem 1.5rem; text-align: center; }
.tko-cta h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 800; margin: 0 0 .8rem; letter-spacing: -.01em; }
.tko-cta p { color: var(--tko-ink-soft); max-width: 56ch; margin: 0 auto 1.7rem; font-size: 1.03rem; }

/* ---------- footer ---------- */
.tko-footer { background: #060c17; color: var(--tko-ink-soft); padding: 3rem 0 1.8rem; }
.tko-footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
.tko-footer-brand .tko-brand { margin-bottom: .8rem; }
.tko-footer-brand p { margin: 0; font-size: .9rem; max-width: 40ch; }
.tko-footer h4 { color: var(--tko-ink); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 .9rem; }
.tko-footer ul { list-style: none; margin: 0; padding: 0; }
.tko-footer li { padding: .2rem 0; font-size: .9rem; }
.tko-footer a { color: var(--tko-ink-soft); text-decoration: none; }
.tko-footer a:hover { color: var(--tko-cyan); }
.tko-footer-registry {
  margin-top: 2.4rem; padding-top: 1.3rem; border-top: 1px solid var(--tko-line);
  display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; align-items: center;
  font-family: var(--tko-mono); font-size: .78rem; color: var(--tko-ink-dim);
}
.tko-footer-registry b { color: var(--tko-ink); }
.tko-footer-registry a { color: var(--tko-cyan-2); }
.tko-footer-registry .tko-sep { color: var(--tko-line-2); }
.tko-footer-base { margin-top: 1rem; font-size: .78rem; color: var(--tko-ink-dim); }

/* ---------- interior page hero ---------- */
.tko-page-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--tko-line);
  background: radial-gradient(120% 120% at 90% -20%, rgba(91,140,255,.14), transparent 55%), var(--tko-bg); }
.tko-page-hero .tko-wrap { padding: 3.4rem 1.5rem 2.4rem; position: relative; z-index: 1; }
.tko-page-hero h1 { font-size: clamp(2rem, 5vw, 3.1rem); font-weight: 800; letter-spacing: -.02em; margin: .9rem 0 .7rem; }
.tko-page-hero p { color: var(--tko-ink-soft); max-width: 62ch; margin: 0; font-size: 1.05rem; }

/* ---------- prose ---------- */
.tko-prose { max-width: 74ch; }
.tko-prose h2 { font-size: 1.4rem; font-weight: 700; margin: 2.2rem 0 .6rem; }
.tko-prose h3 { font-size: 1.06rem; font-weight: 700; margin: 1.5rem 0 .4rem; color: var(--tko-ink); }
.tko-prose p, .tko-prose li { color: var(--tko-ink-soft); }
.tko-prose ul { padding-left: 1.15rem; }
.tko-prose li { margin: .3rem 0; }
.tko-prose a { color: var(--tko-cyan-2); }
.tko-note {
  font-family: var(--tko-mono); font-size: .82rem; color: var(--tko-ink-soft);
  border-left: 3px solid var(--tko-cyan); background: rgba(41,211,230,.05);
  padding: .7rem .9rem; margin: 1.5rem 0; border-radius: 0 8px 8px 0;
}

/* ---------- detail grids used on products/distribution ---------- */
.tko-panel-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
.tko-panel {
  border: 1px solid var(--tko-line); border-radius: 12px; padding: 1.4rem 1.35rem;
  background: linear-gradient(180deg, rgba(18,33,58,.55), rgba(10,17,31,.35));
}
.tko-panel-code { font-family: var(--tko-mono); font-size: .7rem; letter-spacing: .12em; color: var(--tko-cyan); }
.tko-panel h3 { font-size: 1.14rem; font-weight: 700; margin: .5rem 0 .55rem; }
.tko-panel p { margin: 0 0 .7rem; font-size: .93rem; color: var(--tko-ink-soft); }
.tko-panel ul { margin: 0; padding-left: 1.1rem; }
.tko-panel li { font-size: .88rem; color: var(--tko-ink-soft); margin: .22rem 0; }

/* ---------- contact ---------- */
.tko-contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 1.4rem; }
.tko-contact-card {
  border: 1px solid var(--tko-line); border-radius: 12px; padding: 1.5rem 1.4rem;
  background: linear-gradient(180deg, rgba(18,33,58,.55), rgba(10,17,31,.35));
}
.tko-contact-card h3 { font-size: 1.1rem; font-weight: 700; margin: 0 0 .8rem; display: flex; align-items: center; gap: .5rem; }
.tko-contact-card h3 svg { width: 18px; height: 18px; color: var(--tko-cyan); }
.tko-contact-card p { margin: .25rem 0; color: var(--tko-ink-soft); font-size: .95rem; }
.tko-contact-card a { color: var(--tko-cyan-2); }
.tko-kv { display: grid; grid-template-columns: auto 1fr; gap: .35rem 1rem; font-size: .92rem; }
.tko-kv dt { color: var(--tko-ink-dim); font-family: var(--tko-mono); font-size: .78rem; }
.tko-kv dd { margin: 0; color: var(--tko-ink); }

/* ---------- reveal-on-scroll ---------- */
[data-tko-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
[data-tko-reveal].tko-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  [data-tko-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .tko-tiles { grid-template-columns: repeat(2, 1fr); }
  .tko-about { grid-template-columns: 1fr; }
  .tko-footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .tko-nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: .2rem; margin: 0;
    background: var(--tko-bg-2); border-bottom: 1px solid var(--tko-line);
    padding: .7rem 1.5rem 1.1rem;
  }
  .tko-nav-links.tko-open { display: flex; }
  .tko-nav-links a { padding: .55rem 0; }
  .tko-nav-toggle { display: inline-block; }
  .tko-tiles { grid-template-columns: 1fr; }
  .tko-panel-grid, .tko-contact-grid { grid-template-columns: 1fr; }
  .tko-spec-row { grid-template-columns: 70px 1fr; }
  .tko-spec-desc { grid-column: 1 / -1; }
  .tko-footer-top { grid-template-columns: 1fr; }
  .tko-utility .tko-u-right { margin-left: 0; }
}