/* =========================================================================
   RE:USE by MYOTEK — shared design system
   Industrial / technical B2B. Navy + muted amber. IBM Plex Sans + Mono.
   ========================================================================= */

:root {
  /* Surfaces */
  --navy:      #0f1b2d;   /* primary dark — header, footer, hero */
  --navy-2:    #15263d;   /* raised panels on dark */
  --navy-3:    #1d3149;   /* hover / borders on dark */
  --paper:     #f6f7f8;   /* page background */
  --card:      #ffffff;   /* card / panel surface */
  --card-2:    #fafbfc;   /* inset / table stripe */

  /* Ink */
  --ink:       #11161d;   /* primary text */
  --ink-2:     #44505e;   /* secondary text */
  --muted:     #75808d;   /* tertiary / meta */
  --on-navy:   #e7ecf2;   /* text on navy */
  --on-navy-2: #93a3b6;   /* secondary text on navy */

  /* Lines */
  --line:      #dfe3e8;   /* hairline borders */
  --line-2:    #cdd3da;   /* stronger borders */
  --line-navy: #26384f;   /* borders on dark */

  /* Signal — muted amber, used sparingly */
  --amber:     #e08a1e;
  --amber-ink: #b66f0f;
  --amber-soft:#fbf0dd;

  /* Condition semantics (kept muted, technical) */
  --cond-exc:  #1f7a52;   /* Excellent */
  --cond-exc-bg:#e7f2ec;
  --cond-good: #b66f0f;   /* Good */
  --cond-good-bg:#fbf0dd;
  --cond-fair: #5b6675;   /* Fair */
  --cond-fair-bg:#eef0f2;

  --radius: 2px;
  --maxw: 1240px;

  --sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

img { display: block; max-width: 100%; }
picture { display: contents; } /* keep <picture> (WebP+fallback) transparent for layout */

h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.01em; line-height: 1.1; }

.mono { font-family: var(--mono); }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

/* Eyebrow / kicker label */
.kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.kicker::before {
  content: "";
  width: 18px; height: 1px;
  background: var(--amber);
}
.kicker.on-navy { color: var(--on-navy-2); }

/* =========================================================================
   HEADER / NAV
   ========================================================================= */
.site-head {
  background: var(--navy);
  color: var(--on-navy);
  border-bottom: 1px solid var(--line-navy);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-head .wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.wordmark .re {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 19px;
  color: var(--on-navy);
}
.wordmark .re b { color: var(--amber); font-weight: 600; }
.wordmark .by {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--on-navy-2);
}

.main-nav { display: flex; align-items: center; gap: 4px; margin-left: 12px; }
.main-nav a {
  font-size: 13.5px;
  color: var(--on-navy-2);
  padding: 8px 12px;
  border-radius: var(--radius);
  transition: color .15s, background .15s;
}
.main-nav a:hover { color: var(--on-navy); background: var(--navy-2); }
.main-nav a.active { color: var(--on-navy); }
.main-nav a.active::after {
  content: ""; display: block; height: 2px; background: var(--amber);
  margin-top: 6px; margin-bottom: -10px;
}

.head-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }

/* Language toggle */
.lang {
  display: inline-flex;
  border: 1px solid var(--line-navy);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 11px;
}
.lang button {
  background: transparent;
  color: var(--on-navy-2);
  border: 0;
  padding: 6px 9px;
  cursor: pointer;
  letter-spacing: 0.06em;
  font-family: inherit;
  font-size: inherit;
}
.lang button.on { background: var(--navy-2); color: var(--on-navy); }

/* =========================================================================
   BUTTONS
   ========================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1;
  padding: 11px 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
  white-space: nowrap;
}
.btn-primary { background: var(--amber); color: #1a1206; border-color: var(--amber); }
.btn-primary:hover { background: var(--amber-ink); border-color: var(--amber-ink); color:#fff; }
.btn-dark { background: var(--navy); color: var(--on-navy); border-color: var(--navy); }
.btn-dark:hover { background: var(--navy-2); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-ghost.on-navy { color: var(--on-navy); border-color: #46597a; }
.btn-ghost.on-navy:hover { border-color: var(--on-navy-2); background: var(--navy-2); }
.btn-block { width: 100%; }
.btn-lg { padding: 14px 22px; font-size: 14.5px; }
.btn .arw { font-family: var(--mono); }

/* =========================================================================
   BADGES
   ========================================================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 500;
}
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.cond-excellent { color: var(--cond-exc); background: var(--cond-exc-bg); border-color: #cfe6da; }
.cond-good      { color: var(--cond-good); background: var(--cond-good-bg); border-color: #f0ddbe; }
.cond-fair      { color: var(--cond-fair); background: var(--cond-fair-bg); border-color: #dde1e6; }

/* Availability — stock status. Distinct, plain (no fill) so it doesn't compete
   with the condition chip; dot carries the signal color. */
.stk { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 11px; letter-spacing: .03em; text-transform: uppercase; white-space: nowrap; }
.stk .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; flex: none; }
.stk-instock { color: #1f8a55; }
.stk-order   { color: var(--amber-ink); }
.stk-soon    { color: #7a8794; }

/* Stock-quantity indicator — pill, replaces the condition badge.
   Dot + label carry the signal; mirrors the badge footprint. */
.stock { display: inline-flex; align-items: center; gap: 7px; padding: 4px 9px; border: 1px solid; border-radius: var(--radius);
  font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .03em; text-transform: uppercase; white-space: nowrap; }
.stock .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; flex: none; }
.stock-green { color: #1f8a55; background: var(--cond-exc-bg); border-color: #cfe6da; }
.stock-amber { color: var(--cond-good); background: var(--cond-good-bg); border-color: #f0ddbe; }
.stock-gray  { color: var(--cond-fair); background: var(--cond-fair-bg); border-color: #dde1e6; }

/* =========================================================================
   PRODUCT IMAGE PLACEHOLDER (honest technical placeholder)
   ========================================================================= */
.ph {
  position: relative;
  background:
    radial-gradient(120% 120% at 50% 0%, #fdfdfe, #eef1f4);
  border: 1px solid var(--line);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  padding-bottom: 16%;
}
/* device label, top-left */
.ph::before {
  content: attr(data-label);
  position: absolute;
  top: 12px; left: 13px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #9aa6b3;
}
/* 1U rack-unit silhouette with port row */
.ph::after {
  content: "";
  width: 76%;
  height: 34%;
  min-height: 34px;
  border: 1.5px solid #b9c2cc;
  border-radius: 2px;
  background:
    /* port row */
    repeating-linear-gradient(90deg, transparent 0 7px, #cdd4dc 7px 13px) ,
    linear-gradient(180deg, #f4f6f8, #e3e8ed);
  background-size: 100% 9px, 100% 100%;
  background-position: 12px bottom, 0 0;
  background-repeat: no-repeat, no-repeat;
  box-shadow: inset 0 1px 0 #fff, 0 1px 2px rgba(15,27,45,.06);
}
/* dark-context placeholder (spec panel / hero) */
.ph.on-dark { background: radial-gradient(120% 120% at 50% 0%, #1a2c44, #0f1d31); }
.ph.on-dark::before { color: #5e7088; }
.ph.on-dark::after {
  border-color: #2c405b;
  background:
    repeating-linear-gradient(90deg, transparent 0 7px, #25384f 7px 13px),
    linear-gradient(180deg, #1c2e47, #16263c);
  background-size: 100% 9px, 100% 100%;
  background-position: 12px bottom, 0 0;
  background-repeat: no-repeat, no-repeat;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-foot {
  background: var(--navy);
  color: var(--on-navy-2);
  margin-top: 80px;
  border-top: 1px solid var(--line-navy);
}
.site-foot .wrap { padding-top: 56px; padding-bottom: 40px; }
.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.foot-grid h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-navy-2);
  margin-bottom: 16px;
  font-weight: 500;
}
.foot-grid a { display: block; color: var(--on-navy); font-size: 13.5px; padding: 5px 0; }
.foot-grid a:hover { color: var(--amber); }
.foot-about p { font-size: 13.5px; color: var(--on-navy-2); max-width: 30ch; margin: 14px 0 0; }
.foot-bottom {
  border-top: 1px solid var(--line-navy);
  margin-top: 40px;
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--on-navy-2);
}

/* =========================================================================
   SECTION SCAFFOLD
   ========================================================================= */
.section { padding: 72px 0; }
.section-head { margin-bottom: 36px; max-width: 60ch; }
.section-head h2 { font-size: 28px; margin-top: 12px; color: var(--ink); }
.section-head p { color: var(--ink-2); margin: 12px 0 0; font-size: 15.5px; }

/* utility */
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
.price { font-family: var(--mono); font-weight: 600; }
.price .uah { color: var(--ink); }
.price .usd, .price .eur { color: var(--muted); font-weight: 400; font-size: .82em; }

/* =========================================================================
   PRODUCT CARD (shared: home featured + catalog grid)
   ========================================================================= */
.prod-card { background: var(--card); border: 1px solid var(--line); display: flex; flex-direction: column; transition: border-color .15s, box-shadow .15s; }
.prod-card:hover { border-color: var(--line-2); box-shadow: 0 6px 22px rgba(15,27,45,.07); }
.prod-card .pc-img { height: 158px; position: relative; }
.prod-card .pc-top { position: absolute; top: 10px; left: 10px; right: 10px; display: flex; justify-content: space-between; align-items: flex-start; z-index: 2; }
.prod-card .pc-brand { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; color: var(--ink-2); background: rgba(255,255,255,.86); padding: 3px 7px; border: 1px solid var(--line); }
.prod-card .pc-body { padding: 16px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.prod-card .pc-skline { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.prod-card .pc-sku { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.prod-card .pc-model { font-size: 16px; font-weight: 600; }
.prod-card .pc-line { font-size: 12.5px; color: var(--ink-2); margin-bottom: 6px; }
.prod-card .pc-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-top: 1px solid var(--line); }
.prod-card .pc-price { display: flex; flex-direction: column; line-height: 1.3; }
.prod-card .pc-price .uah { font-family: var(--mono); font-weight: 600; font-size: 15px; white-space: nowrap; }
.prod-card .pc-price .usd, .prod-card .pc-price .eur { font-family: var(--mono); font-size: 11px; color: var(--muted); white-space: nowrap; }

@media (max-width: 920px) {
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .main-nav a:not([href="catalog.html"]) { display: none; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 20px; }
  .section { padding: 48px 0; }
}

/* =========================================================================
   REAL PRODUCT PHOTO (replaces the .ph placeholder when a unit has a photo)
   ========================================================================= */
.pc-img.has-photo {
  background: #fff;
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.pc-img.has-photo img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 16px 18px;
  transition: transform .25s ease;
}
.prod-card:hover .pc-img.has-photo img { transform: scale(1.03); }

/* =========================================================================
   BRANDS STRIP — "Нам довіряють" (typographic wordmark wall)
   ========================================================================= */
.brands { background: var(--card); border-bottom: 1px solid var(--line); }
.brands .wrap { display: flex; align-items: center; gap: 28px 48px; padding: 30px 32px; flex-wrap: wrap; }
.brands .bk { flex: 0 0 auto; max-width: 240px; }
.brands .bk .brands-note { font-size: 12.5px; color: var(--ink-2); margin: 8px 0 0; line-height: 1.45; }
.brands-list { display: flex; align-items: center; gap: 14px 40px; flex-wrap: wrap; flex: 1; min-width: 240px; }
.brands-list .bw {
  font-family: var(--mono); font-size: 18px; font-weight: 600;
  letter-spacing: 0.04em; color: #98a4b1; white-space: nowrap;
  transition: color .15s;
}
.brands-list .bw:hover { color: var(--amber-ink); }
@media (max-width: 720px) {
  .brands .wrap { gap: 18px 32px; padding: 24px 20px; }
  .brands-list { gap: 12px 28px; }
  .brands-list .bw { font-size: 16px; }
}

@media (max-width: 600px) {
  .site-head .wrap {
    gap: 12px;
    padding: 0 12px;
  }
  .site-head .wordmark .by {
    display: none;
  }
  .head-right {
    gap: 8px;
  }
  .site-head .btn {
    padding: 8px 10px;
    font-size: 12px;
  }
  .foot-bottom {
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
  }
}