/* ════════════════════════════════════════════════════════════════
   qoody.ru — design system (Performance / variant C)
   ════════════════════════════════════════════════════════════════ */

:root {
  --bg:        #08090b;
  --bg2:       #101316;
  --card:      #131619;
  --card-hi:   #1a1d22;
  --ink:       #F4F6F8;
  --ink2:      #c8ccd1;
  --dim:       #6c727a;
  --line:      rgba(255,255,255,0.06);
  --line2:     rgba(255,255,255,0.14);

  --neon:      #57DCFC;
  --neon-b:    rgba(87,220,252,0.10);
  --neon-bd:   rgba(87,220,252,0.4);
  --neon-ink:  #001620;
  --neon-dark: #34B8E0;

  --hot:       #FF3D3D;
  --hot-b:     rgba(255,61,61,0.10);
  --warn:      #FFBC42;
  --ok:        #34D27B;

  --mono:      'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans:      'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  --maxw:      1280px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 48px; }

/* ─────────── TICKER BAR (top promo) ─────────── */
.ticker {
  padding: 10px 0; background: var(--neon); color: var(--neon-ink);
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
}
.ticker-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 48px;
  display: flex; justify-content: space-around; gap: 24px;
  flex-wrap: wrap;
}

/* ─────────── HEADER ─────────── */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8,9,11,0.92);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 18px 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}

.logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--ink);
}
.logo-mark {
  width: 32px; height: 32px;
}
.logo-text {
  font-size: 20px; font-weight: 900;
  letter-spacing: -0.02em; text-transform: uppercase;
}

.nav { display: flex; gap: 4px; }
.nav a {
  padding: 10px 16px;
  text-decoration: none; color: var(--ink);
  font-size: 13px; font-weight: 600; letter-spacing: 0.02em;
  display: flex; align-items: center; gap: 8px;
  text-transform: uppercase;
  transition: color 0.15s;
}
.nav a:hover { color: var(--neon); }
.nav a.is-active { color: var(--neon); }
.nav a .num {
  font-family: var(--mono); font-size: 10px;
  color: var(--neon); font-weight: 700;
}
.nav a:hover .num { color: var(--ink); }

/* ─────────── BUTTONS ─────────── */
.btn {
  padding: 14px 22px; font-size: 13px; font-weight: 600;
  font-family: var(--sans); letter-spacing: 0.04em;
  text-decoration: none; display: inline-flex; gap: 10px; align-items: center;
  text-transform: uppercase; cursor: pointer; border: 0;
  transition: transform 0.15s, background 0.15s;
}
.btn-primary {
  background: var(--neon); color: var(--neon-ink);
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  padding: 14px 28px;
}
.btn-primary:hover { background: #6fe5ff; transform: translateY(-1px); }
.btn-ghost {
  color: var(--ink); border: 1px solid var(--line2); background: transparent;
}
.btn-ghost:hover { border-color: var(--neon); color: var(--neon); }
.btn-dark {
  background: var(--ink); color: var(--bg);
}
.btn-block { width: 100%; justify-content: center; }

/* ─────────── INDEX / EYEBROW ─────────── */
.idx-pill {
  display: inline-flex; align-items: center;
  padding: 4px 10px; background: var(--neon); color: var(--neon-ink);
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em;
}
.idx-pill.hot { background: var(--hot); color: #1a0000; }
.idx-pill.dark { background: var(--card-hi); color: var(--neon); border: 1px solid var(--line2); }

.eyebrow {
  font-family: var(--mono); font-size: 10.5px; color: var(--dim);
  letter-spacing: 0.18em; text-transform: uppercase;
}
.eyebrow-neon { color: var(--neon); }

/* ─────────── SECTION HEAD ─────────── */
.section { padding: 72px 0; border-top: 1px solid var(--line); }
.section.alt { background: var(--bg2); }
.section.first { border-top: 0; }

.sec-head { margin-bottom: 40px; }
.sec-head-row {
  display: flex; align-items: center; gap: 16px; margin-bottom: 18px;
}
.sec-head-row .rule { flex: 1; height: 1px; background: var(--line); margin-left: 6px; }
.sec-head h2 {
  font-family: var(--sans); font-size: 56px; font-weight: 800;
  color: var(--ink); margin: 0; line-height: 0.96;
  letter-spacing: -0.035em; text-transform: uppercase;
  text-wrap: balance;
}
.sec-head .sub {
  font-size: 15px; color: var(--ink2); line-height: 1.6;
  max-width: 640px; margin: 18px 0 0; text-wrap: pretty;
}
.sec-head-action {
  display: flex; justify-content: space-between; align-items: end; gap: 32px;
}
.sec-head-action a {
  color: var(--neon); font-size: 13px; font-weight: 600;
  text-decoration: none; letter-spacing: 0.04em;
  text-transform: uppercase; white-space: nowrap;
}

/* ─────────── PRODUCT CARDS ─────────── */
.product-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.product-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.product {
  display: block; text-decoration: none; color: inherit;
  background: var(--card); border: 1px solid var(--line);
  position: relative; overflow: hidden;
  transition: border-color 0.2s;
}
.product:hover { border-color: var(--neon-bd); }
.product .corner-cut {
  position: absolute; top: 0; right: 0; width: 38px; height: 38px;
  background: var(--bg); clip-path: polygon(100% 0, 0 0, 100% 100%);
}
.product .rank {
  position: absolute; top: 6px; right: 8px; z-index: 2;
  font-family: var(--mono); font-size: 11px; color: var(--neon);
  font-weight: 700; letter-spacing: 0.05em;
}
.product .hot-tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 4px 8px; background: var(--hot); color: #1a0000;
  font-family: var(--mono); font-size: 9.5px; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
}
.product .new-tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 4px 8px; background: var(--neon); color: var(--neon-ink);
  font-family: var(--mono); font-size: 9.5px; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
}
.product-img {
  aspect-ratio: 1.05/1;
  background: radial-gradient(ellipse at 50% 60%, var(--bg2) 0%, var(--bg) 75%);
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--line);
}
.product-img img { max-height: 85%; object-fit: contain; }
.product-img svg {
  filter: drop-shadow(0 0 20px rgba(87,220,252,0.18));
}
.product-body { padding: 20px 22px 22px; }
.product .code {
  font-family: var(--mono); font-size: 10px; color: var(--dim);
  letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 10px;
}
.product .name {
  font-size: 19px; color: var(--ink); font-weight: 700;
  margin-bottom: 12px; letter-spacing: -0.01em; text-transform: uppercase;
}
.product .specs { display: flex; gap: 6px; margin-bottom: 18px; flex-wrap: wrap; }
.product .spec-pill {
  padding: 4px 8px; background: rgba(255,255,255,0.04);
  font-family: var(--mono); font-size: 10px; color: var(--ink2);
  letter-spacing: 0.06em;
}
.product-foot {
  display: flex; justify-content: space-between; align-items: baseline;
  border-top: 1px solid var(--line); padding-top: 14px;
}
.product .price {
  font-family: var(--mono); font-size: 15px; color: var(--ink);
  font-weight: 600; letter-spacing: 0.02em;
}
.product .arrow {
  color: var(--neon); font-size: 18px; font-weight: 700;
}

/* product placeholders (SVG) */
.ph {
  filter: drop-shadow(0 0 18px rgba(87,220,252,0.15));
}
.ph-bg-line { stroke: #2a3038; stroke-width: 2; fill: none; }
.ph-bg-line-thin { stroke: #3a4048; stroke-width: 1.5; fill: none; }
.ph-fill { fill: var(--neon); opacity: 0.08; }
.ph-stroke { stroke: var(--neon); stroke-width: 2; fill: none; }
.ph-dot { fill: var(--neon); }

/* ─────────── CATEGORY CARDS ─────────── */
.cat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.cat {
  display: block; text-decoration: none; color: inherit;
  background: var(--card); border: 1px solid var(--line);
  padding: 22px 22px 26px;
  position: relative; overflow: hidden;
  transition: border-color 0.2s;
}
.cat:hover { border-color: var(--neon-bd); }
.cat-num {
  position: absolute; top: -1px; left: -1px;
  padding: 4px 10px; background: var(--neon); color: var(--neon-ink);
  font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
}
.cat-img {
  aspect-ratio: 1.2/1;
  display: flex; align-items: center; justify-content: center;
  margin: 14px 0 16px;
}
.cat-en {
  font-family: var(--mono); font-size: 10px; color: var(--neon);
  letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 8px;
}
.cat-name {
  font-size: 21px; font-weight: 800; color: var(--ink);
  margin-bottom: 6px; letter-spacing: -0.01em; text-transform: uppercase;
}
.cat-foot {
  display: flex; justify-content: space-between; align-items: baseline;
  border-top: 1px solid var(--line); padding-top: 12px; margin-top: 14px;
  font-family: var(--mono); font-size: 11.5px; color: var(--dim);
  letter-spacing: 0.1em;
}
.cat-foot .arrow { color: var(--neon); font-size: 16px; font-weight: 700; }

/* ─────────── HERO IMAGE BOX ─────────── */
.img-box {
  position: relative;
  background: radial-gradient(ellipse 65% 55% at 50% 55%, #1a1d22 0%, var(--bg) 80%);
  overflow: hidden;
  border: 1px solid var(--line2);
}
.img-box.angular {
  clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
}
.img-box img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 45%;
}
.img-box::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 78% 72% at 50% 52%,
    rgba(8,9,11,0) 55%, rgba(8,9,11,0.45) 78%, rgba(8,9,11,0.92) 100%);
}
.img-box .corner-tags {
  position: absolute; left: 18px; top: 18px; z-index: 2;
  display: flex; gap: 8px;
}
.img-box .corner-side {
  position: absolute; right: 18px; bottom: 18px; z-index: 2;
  font-family: var(--mono); font-size: 9.5px; color: var(--neon);
  font-weight: 700; letter-spacing: 0.15em;
  writing-mode: vertical-rl; text-transform: uppercase;
}
.tag-pill {
  padding: 4px 8px; background: rgba(0,0,0,0.6); color: var(--ink);
  font-family: var(--mono); font-size: 9.5px; font-weight: 600; letter-spacing: 0.1em;
  border: 1px solid var(--line2);
}
.tag-pill.neon { background: var(--neon); color: var(--neon-ink); border: 0; }

/* ─────────── STAT BLOCKS ─────────── */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.stat-block {
  padding: 24px 22px;
  background: var(--card); color: var(--ink);
  border: 1px solid var(--line);
  position: relative;
}
.stat-block.featured {
  background: var(--neon); color: var(--neon-ink); border: 0;
}
.stat-block .num {
  font-size: 38px; font-weight: 900;
  letter-spacing: -0.02em; line-height: 1; margin-bottom: 8px;
}
.stat-block .lbl {
  font-family: var(--mono); font-size: 10.5px; opacity: 0.8;
  letter-spacing: 0.15em; text-transform: uppercase;
}

/* ─────────── FOOTER ─────────── */
footer.site {
  padding: 64px 0 32px; background: var(--bg);
  border-top: 1px solid var(--line);
}
.foot-grid {
  max-width: var(--maxw); margin: 0 auto;
  padding: 0 48px;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px;
  margin-bottom: 48px;
}
.foot-grid .col h4 {
  font-family: var(--mono); font-size: 11px; color: var(--neon);
  font-weight: 700; letter-spacing: 0.2em; margin: 0 0 16px;
}
.foot-grid .col .links {
  display: flex; flex-direction: column; gap: 12px;
}
.foot-grid .col a {
  font-size: 14px; color: var(--ink2); text-decoration: none;
}
.foot-grid .col a:hover { color: var(--ink); }
.foot-grid .col p {
  margin: 22px 0 0; font-size: 13px; color: var(--ink2); line-height: 1.65;
  max-width: 280px;
}
.foot-grid .col .badges {
  margin-top: 22px; display: flex; gap: 10px;
}
.foot-grid .col .badges a {
  padding: 8px 14px; border: 1px solid var(--line2);
  color: var(--ink); font-size: 12px; font-weight: 600;
  text-decoration: none; letter-spacing: 0.05em;
}
.foot-bottom {
  max-width: var(--maxw); margin: 0 auto;
  padding: 22px 48px 0;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
}
.foot-bottom .copy { font-size: 13px; color: var(--dim); }
.foot-bottom .meta {
  font-family: var(--mono); font-size: 11px; color: var(--neon);
  font-weight: 700; letter-spacing: 0.18em;
}

/* ─────────── PAGE HEAD ─────────── */
.page-head {
  padding: 56px 0 48px; border-bottom: 1px solid var(--line);
}
.page-head .breadcrumb {
  display: flex; gap: 10px; align-items: center;
  font-family: var(--mono); font-size: 10.5px; color: var(--dim);
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 18px;
}
.page-head .breadcrumb a {
  color: var(--dim); text-decoration: none;
}
.page-head .breadcrumb a:hover { color: var(--neon); }
.page-head .breadcrumb .sep { opacity: 0.4; }
.page-head h1 {
  font-family: var(--sans); font-size: clamp(48px, 5vw, 76px);
  font-weight: 900; color: var(--ink); margin: 0;
  line-height: 0.92; letter-spacing: -0.04em;
  text-transform: uppercase; text-wrap: balance;
}
.page-head h1 .neon { color: var(--neon); }
.page-head .lead {
  margin: 22px 0 0; font-size: 17px; color: var(--ink2);
  line-height: 1.6; max-width: 720px; text-wrap: pretty;
}

/* ─────────── INSTRUCTION CARDS ─────────── */
.inst-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.inst {
  display: block; text-decoration: none; color: inherit;
  padding: 28px 28px; background: var(--card);
  border: 1px solid var(--line); position: relative;
  transition: border-color 0.2s;
}
.inst:hover { border-color: var(--neon-bd); }
.inst .kicker {
  position: absolute; top: 14px; right: 14px;
  padding: 3px 8px; background: var(--hot); color: #1a0000;
  font-family: var(--mono); font-size: 9.5px; font-weight: 700; letter-spacing: 0.12em;
}
.inst .code {
  font-family: var(--mono); font-size: 10px; color: var(--neon);
  letter-spacing: 0.18em; margin-bottom: 16px;
}
.inst .ttl {
  font-size: 22px; font-weight: 800; color: var(--ink);
  margin-bottom: 14px; letter-spacing: -0.01em;
  text-transform: uppercase; line-height: 1.15;
}
.inst .foot {
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--line); padding-top: 14px;
}
.inst .foot .meta {
  font-family: var(--mono); font-size: 11px; color: var(--dim);
  letter-spacing: 0.1em; text-transform: uppercase;
}
.inst .foot .arrow {
  color: var(--neon); font-size: 16px; font-weight: 700;
}

/* ─────────── PRINCIPLE BLOCKS ─────────── */
.principles {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
}
.principle {
  padding: 36px 32px;
  border: 1px solid var(--line);
}
.principle.alt { background: var(--bg2); }
.principle:not(.alt) { background: var(--card); }
.principle .head {
  display: flex; align-items: baseline; gap: 16px; margin-bottom: 18px;
}
.principle .n {
  font-size: 56px; font-weight: 900; color: var(--neon);
  letter-spacing: -0.04em; line-height: 0.9;
}
.principle .head .rule { flex: 1; height: 1px; background: var(--line); }
.principle .t {
  font-size: 22px; font-weight: 800; color: var(--ink);
  margin: 0 0 12px; letter-spacing: -0.01em; text-transform: uppercase;
}
.principle p {
  margin: 0; font-size: 14px; color: var(--ink2); line-height: 1.65;
}

/* ─────────── SUPPORT CTA ─────────── */
.support-band {
  display: grid; grid-template-columns: 1fr 1fr;
  background: var(--neon); color: var(--neon-ink);
  min-height: 300px;
}
.support-band .left { padding: 64px 56px; display: flex; flex-direction: column; justify-content: center; }
.support-band .right {
  padding: 64px 56px; display: flex; flex-direction: column; justify-content: center;
  gap: 10px; background: var(--neon-dark);
}
.support-band .kicker {
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 18px;
}
.support-band h3 {
  font-family: var(--sans); font-size: 48px; font-weight: 900; margin: 0;
  line-height: 0.96; letter-spacing: -0.03em; text-transform: uppercase;
}
.support-band p { margin: 22px 0 0; font-size: 16px; line-height: 1.6; max-width: 440px; }
.support-band .right a {
  padding: 18px 22px; background: var(--neon-ink); color: var(--neon);
  text-decoration: none; font-size: 15px; font-weight: 700;
  display: flex; justify-content: space-between; align-items: center;
  letter-spacing: 0.04em; font-family: var(--mono);
}

/* ─────────── FORMS / FILTERS ─────────── */
.filter-tabs {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px;
}
.filter-tab {
  padding: 10px 16px; background: var(--card);
  border: 1px solid var(--line); color: var(--ink2);
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  transition: all 0.15s;
}
.filter-tab:hover { border-color: var(--neon-bd); color: var(--ink); }
.filter-tab.is-active {
  background: var(--neon); color: var(--neon-ink); border-color: var(--neon);
}
.filter-tab .count {
  margin-left: 6px; opacity: 0.6;
}

.filter-bar {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  font-size: 13px; margin-bottom: 28px;
}
.filter-bar .lbl {
  font-family: var(--mono); font-size: 10.5px; color: var(--dim);
  letter-spacing: 0.15em; text-transform: uppercase;
}
.filter-bar select, .filter-bar input {
  background: var(--card); color: var(--ink);
  border: 1px solid var(--line2); padding: 8px 12px;
  font-family: var(--sans); font-size: 13px;
  appearance: none;
}
.filter-bar .right { margin-left: auto; }

/* ─────────── INFO ROWS ─────────── */
.spec-table {
  display: flex; flex-direction: column;
}
.spec-table .row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 14px 0; border-top: 1px solid var(--line);
  font-size: 14px;
}
.spec-table .row:first-child { border-top: 0; padding-top: 4px; }
.spec-table .k { color: var(--dim); }
.spec-table .v {
  color: var(--ink); font-family: var(--mono); font-size: 13px;
}

/* ─────────── PROSE (legal / about) ─────────── */
.prose {
  max-width: 720px; margin: 0 auto;
  font-size: 15px; color: var(--ink2); line-height: 1.7;
}
.prose h2 {
  font-family: var(--sans); font-size: 28px; font-weight: 800;
  color: var(--ink); margin: 56px 0 16px;
  letter-spacing: -0.02em; text-transform: uppercase;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-size: 18px; font-weight: 700;
  color: var(--ink); margin: 32px 0 12px;
}
.prose p { margin: 0 0 16px; }
.prose ul { padding-left: 22px; margin: 0 0 16px; }
.prose ul li { margin: 8px 0; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose .h-rule { height: 1px; background: var(--line); margin: 48px 0; }

/* ─────────── HELPERS ─────────── */
.grid-bg {
  position: absolute; inset: 0;
  opacity: 0.05; pointer-events: none;
}

/* ─────────── RESPONSIVE ─────────── */
@media (max-width: 1024px) {
  .nav a { padding: 10px 10px; font-size: 12px; }
  .nav a .num { display: none; }
  .wrap, .site-inner, .ticker-inner, .foot-grid, .foot-bottom { padding-left: 24px; padding-right: 24px; }
  .product-grid, .product-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .principles { grid-template-columns: 1fr; }
  .inst-grid { grid-template-columns: 1fr; }
  .support-band { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .sec-head h2 { font-size: 42px; }
  .ticker { font-size: 9.5px; }
}

@media (max-width: 680px) {
  .nav { display: none; }
  .product-grid, .product-grid.cols-4 { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 32px; }
  .ticker-inner > * { font-size: 9px; }
  .ticker-inner > *:nth-child(n+3) { display: none; }
}