/* ==========================================================================
   BK-TON d.o.o. — направление tech-precision
   Тёмный корпус, белые блоки, синий акцент, силуэт авто.
   От telecabmsa (циан, 3D-схема) отличается лотом, галереей и тёмно-белым контрастом.
   ========================================================================== */

:root {
  --bg: #0e1116;
  --bg-alt: #161a22;
  --bg-deep: #08090c;
  --ink: #eef1f5;
  --ink-soft: #8b93a3;
  --ink-invert: #08090c;
  --accent: #3d7eff;
  --accent-soft: #1a2744;
  --line: #2a3140;
  --paper: #f4f6f8;
  --paper-ink: #12141a;
  --paper-soft: #5c6470;

  --font-display: 'DM Sans', 'Segoe UI', sans-serif;
  --font-body: 'DM Sans', 'Segoe UI', sans-serif;
  --tracking-display: -0.03em;
  --radius: 2px;
  --radius-lg: 4px;
  --container: 1160px;
  --shadow: 0 0 0 1px var(--line);
}

body { background: var(--bg); color: var(--ink); }

.site-header {
  background: color-mix(in srgb, var(--bg-deep) 92%, transparent);
  color: var(--ink);
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.nav a:hover { color: var(--accent); }
.btn {
  border-radius: 2px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--paper); color: var(--paper-ink); }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: 0.14em; }

.panel {
  background: var(--paper);
  color: var(--paper-ink);
  padding: clamp(1.35rem, 3vw, 2rem);
}
.panel .eyebrow { color: var(--accent); }
.panel a { color: var(--accent); }
.panel p { color: var(--paper-soft); }
.panel h2, .panel h3 { color: var(--paper-ink); }
.panel--wide { margin-bottom: 0; }
.panel img { width: 100%; height: 200px; object-fit: cover; margin: 0 0 1rem; }

/* --- HERO --- */
.hero {
  position: relative;
  min-height: min(90vh, 860px);
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--bg-deep);
}
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, color-mix(in srgb, var(--bg-deep) 88%, transparent) 0%,
      color-mix(in srgb, var(--bg-deep) 45%, transparent) 55%,
      color-mix(in srgb, var(--bg-deep) 80%, transparent) 100%);
}
.hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(6rem, 14vw, 9rem) clamp(2rem, 5vw, 3.5rem);
  max-width: 42rem;
}
.hero__logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.1rem;
}
.hero__logo p {
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: var(--accent);
}
.hero h1 { max-width: 14ch; }
.hero .lede { color: color-mix(in srgb, var(--ink) 78%, transparent); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.4rem; }
.hero__ghost { color: var(--ink); border-color: var(--paper); }
.hero__ghost:hover { background: var(--paper); color: var(--paper-ink); border-color: var(--paper); }

/* --- LOT --- */
.lot .panel { margin-bottom: var(--gap); }
.lot__grid {
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 760px) {
  .lot__grid { grid-template-columns: 1.2fr 1fr; }
}
.lot__grid img { width: 100%; height: 240px; object-fit: cover; }
.lot__grid figcaption {
  margin-top: 0.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* --- DIAGNOSE --- */
.diagnose__grid {
  display: grid;
  gap: var(--gap);
  align-items: start;
}
@media (min-width: 860px) {
  .diagnose__grid { grid-template-columns: 1.15fr 0.85fr; }
}
.diagnose figure img { width: 100%; }
.diagnose figcaption {
  margin-top: 0.45rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* --- ABOUT --- */
.about__dl {
  display: grid;
  gap: 0.4rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid color-mix(in srgb, var(--paper-ink) 12%, transparent);
}
.about__dl div {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0.5rem;
  font-size: var(--step--1);
}
.about__dl dt { font-weight: 700; color: var(--accent); }

/* --- STOCK --- */
.stock__split {
  display: grid;
  gap: var(--gap);
}
@media (min-width: 800px) {
  .stock__split { grid-template-columns: 1fr 1fr; }
}

/* --- IMPORT --- */
.import__grid {
  display: grid;
  gap: var(--gap);
  align-items: start;
}
@media (min-width: 860px) {
  .import__grid { grid-template-columns: 1fr 1fr; }
}
.import img { width: 100%; }
.import figcaption {
  margin-top: 0.45rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* --- PAPERS --- */
.papers h2 { margin-bottom: 1.25rem; }
.papers__grid {
  display: grid;
  gap: var(--gap);
}
@media (min-width: 800px) {
  .papers__grid { grid-template-columns: repeat(3, 1fr); }
}

/* --- TICKET --- */
.ticket {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.85rem;
}
.ticket fieldset {
  border: 1px solid color-mix(in srgb, var(--paper-ink) 12%, transparent);
  padding: 0.75rem 0.9rem 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
}
.ticket legend {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0 0.35rem;
}
.ticket label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--step--1);
  color: var(--paper-ink);
  cursor: pointer;
}
.ticket input { accent-color: var(--accent); }
.ticket output {
  display: block;
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--paper-ink);
  padding-top: 0.4rem;
}

.contact__layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: var(--gap);
}
@media (min-width: 860px) {
  .contact__layout { grid-template-columns: 0.9fr 1.1fr; }
}
.contact__list { display: grid; gap: 0.5rem; }
.contact__list div {
  display: grid;
  grid-template-columns: 6.2rem 1fr;
  gap: 0.4rem;
  font-size: var(--step--1);
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--line);
}
.contact__list dt { color: var(--accent); font-weight: 700; }
.contact__list a { color: var(--ink); }
.contact__form {
  padding: 1.2rem;
  background: var(--paper);
  color: var(--paper-ink);
}
.contact__form .field label { color: var(--paper-ink); }
.contact__form input,
.contact__form textarea {
  background: var(--paper);
  color: var(--paper-ink);
  border-color: color-mix(in srgb, var(--paper-ink) 18%, transparent);
  border-radius: 2px;
}
.contact__form .btn { justify-self: start; }
.form-status[data-state='ok'] { color: var(--accent); }

/* --- FOOTER --- */
.site-footer {
  background: var(--bg-deep);
  color: var(--ink);
  border-top: 1px solid var(--line);
}
.footer__grid { display: grid; gap: var(--gap); }
@media (min-width: 760px) {
  .footer__grid { grid-template-columns: 1.4fr 0.8fr 1fr; }
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  margin-bottom: 0.55rem;
}
.footer__label {
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.site-footer nav { display: grid; gap: 0.3rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--accent); }
.site-footer .muted { color: var(--ink-soft); }
.site-footer__bottom { border-top-color: var(--line); }

@media (max-width: 699px) {
  .lot__grid img, .panel img { height: 190px; }
}