/* ============================================================
   RUBOLKA Website 2.0 — Shared Site CSS
   Industrial editorial · Oswald + Inter + JetBrains Mono
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

:root,
:root[data-theme="dark"] {
  --bg:           #0D0D0D;
  --bg-2:         #141414;
  --bg-3:         #1c1c1c;
  --bg-deep:      #0a0a0a;
  --line:         rgba(255,255,255,0.10);
  --line-2:       rgba(255,255,255,0.18);
  --line-red:     rgba(232,0,29,0.40);
  --fg:           #FFFFFF;
  --fg-dim:       rgba(255,255,255,0.62);
  --fg-mute:      rgba(255,255,255,0.42);
  --fg-faint:     rgba(255,255,255,0.30);
  --red:          #E8001D;
  --red-hot:      #ff0a25;
  --red-deep:     #B30016;
  --red-tint:     rgba(232,0,29,0.06);
  --red-glow:     rgba(232,0,29,0.30);
  --tg-blue:      #2AABEE;
  --noise-blend:  overlay;
  --noise-opacity:0.06;
  --img-filter:   brightness(0.92) contrast(1.08) saturate(0.95);
  --hairline-img: rgba(255,255,255,0.06);
  --shadow-cta:   0 8px 28px rgba(232,0,29,0.22);
}

:root[data-theme="light"] {
  --bg:           #F4F2EC;
  --bg-2:         #FFFFFF;
  --bg-3:         #ECEAE3;
  --bg-deep:      #E6E3DA;
  --line:         rgba(13,13,13,0.12);
  --line-2:       rgba(13,13,13,0.24);
  --line-red:     rgba(232,0,29,0.50);
  --fg:           #0D0D0D;
  --fg-dim:       rgba(13,13,13,0.66);
  --fg-mute:      rgba(13,13,13,0.46);
  --fg-faint:     rgba(13,13,13,0.30);
  --red:          #E8001D;
  --red-hot:      #ff0a25;
  --red-deep:     #B30016;
  --red-tint:     rgba(232,0,29,0.04);
  --red-glow:     rgba(232,0,29,0.20);
  --tg-blue:      #229ed9;
  --noise-blend:  multiply;
  --noise-opacity:0.05;
  --img-filter:   brightness(0.96) contrast(1.04) saturate(0.95);
  --hairline-img: rgba(13,13,13,0.10);
  --shadow-cta:   0 8px 24px rgba(232,0,29,0.18);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}
body::before {
  content:""; position:fixed; inset:0; pointer-events:none; z-index:1;
  opacity: var(--noise-opacity); mix-blend-mode: var(--noise-blend);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1   0 0 0 0 1   0 0 0 0 1   0 0 0 0.6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

.wrap { max-width: 1320px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 2; }
@media (min-width: 768px) { .wrap { padding: 0 40px; } }

/* ── Type ─────────────────────────────────────────── */
.disp { font-family: 'Oswald', sans-serif; font-weight: 700; text-transform: uppercase; letter-spacing: -0.005em; line-height: 0.96; }
.mono { font-family: 'JetBrains Mono', monospace; }
.eyebrow { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--fg-mute); }
.eyebrow .dot { display: inline-block; width: 6px; height: 6px; background: var(--red); border-radius: 50%; transform: translateY(-2px); margin-right: 10px; }
.eyebrow b { color: var(--fg); font-weight: 500; }
.red { color: var(--red); }
.stamp { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--fg-mute); letter-spacing: 0.12em; }
.stamp b { color: var(--fg); font-weight: 500; }

h1, h2, h3 { margin: 0; }

/* ── Topbar ──────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-progress { position: absolute; left: 0; right: 0; top: 0; height: 2px; background: transparent; pointer-events: none; }
.topbar-progress .bar { height: 100%; background: var(--red); width: 0%; transition: width .08s linear; }
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0; gap: 20px;
}
.brand {
  font-family: 'Oswald', sans-serif; font-weight: 700; letter-spacing: 0.02em;
  text-transform: uppercase; font-size: 22px; line-height: 1;
  display: inline-flex; align-items: baseline; gap: 4px;
}
.brand .bolka { position: relative; }
.brand .bolka::after { content: ""; position: absolute; left: 0; right: 0; bottom: -5px; height: 3px; background: var(--red); }
.brand .opt {
  font-family: 'JetBrains Mono', monospace; font-size: 9px; color: var(--fg-mute);
  letter-spacing: 0.24em; margin-left: 8px; align-self: center;
}

.nav { display: none; gap: 28px; flex: 1; justify-content: center; }
.nav a {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-dim); transition: color .15s; padding: 8px 0;
  position: relative;
}
.nav a:hover { color: var(--fg); }
.nav a.on { color: var(--fg); }
.nav a.on::after { content:""; position: absolute; left: 50%; transform: translateX(-50%); bottom: -2px; width: 22px; height: 2px; background: var(--red); }
@media (min-width: 1024px) { .nav { display: flex; } }

.top-tools { display: flex; align-items: center; gap: 6px; }
.icon-btn {
  width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid transparent; color: var(--fg-dim);
  cursor: pointer; transition: color .15s, border-color .15s, background .15s;
  position: relative;
}
.icon-btn:hover { color: var(--fg); border-color: var(--line-2); }
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn .cart-count {
  position: absolute; top: 4px; right: 4px;
  min-width: 16px; height: 16px; padding: 0 4px;
  border-radius: 999px; background: var(--red); color: #fff;
  font-family: 'JetBrains Mono', monospace; font-size: 9px; font-weight: 500;
  display: inline-flex; align-items: center; justify-content: center;
  letter-spacing: 0;
}
.top-cta {
  font-family: 'Oswald', sans-serif; font-size: 13px; letter-spacing: 0.08em;
  text-transform: uppercase; font-weight: 600;
  padding: 10px 18px; border: 1px solid var(--line-2); border-radius: 999px;
  background: transparent; color: var(--fg);
  transition: background .15s, color .15s, border-color .15s; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
}
.top-cta:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.top-cta .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); }
.top-burger { display: inline-flex; }
@media (min-width: 1024px) { .top-burger { display: none; } }
.top-cta-text-hide { display: none; }
@media (min-width: 600px) { .top-cta-text-hide { display: inline; } }

/* ── Mobile menu (burger drawer) ─────────────────── */
.nav-mobile-backdrop {
  position: fixed; inset: 0; z-index: 44;
  background: rgba(0,0,0,0.55); backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px);
  opacity: 0; pointer-events: none; transition: opacity .3s ease;
}
.nav-mobile-backdrop.open { opacity: 1; pointer-events: auto; }
.nav-mobile {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(420px, 88vw); z-index: 48;
  background: var(--bg); border-left: 1px solid var(--line-2);
  transform: translateX(101%);
  transition: transform .36s cubic-bezier(.6,0,.2,1);
  overflow-y: auto; -webkit-overflow-scrolling: touch;
  padding: 92px 30px 36px;
  display: flex;
}
.nav-mobile.open { transform: translateX(0); box-shadow: -28px 0 80px rgba(0,0,0,0.42); }
.nav-mobile-close {
  position: absolute; top: 20px; right: 22px;
  width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--line-2); color: var(--fg);
  font-size: 26px; line-height: 1; cursor: pointer; transition: border-color .15s, color .15s, background .15s;
}
.nav-mobile-close:hover { border-color: var(--red); color: var(--red); }
.nav-mobile-inner { display: flex; flex-direction: column; gap: 2px; width: 100%; }
.nm-link {
  font-family: 'Oswald', sans-serif; font-weight: 700; text-transform: uppercase;
  font-size: clamp(26px, 7vw, 34px); line-height: 1.18; letter-spacing: 0.005em;
  color: var(--fg); padding: 11px 0; border-bottom: 1px solid var(--line);
  transition: color .15s, padding-left .15s;
}
.nm-link:hover, .nm-link.on { color: var(--red); padding-left: 8px; }
.nm-seg-label {
  font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fg-mute); margin: 26px 0 10px;
}
.nm-sub {
  font-family: 'Oswald', sans-serif; font-weight: 500; text-transform: uppercase;
  font-size: 18px; letter-spacing: 0.02em; color: var(--fg-dim); padding: 8px 0;
  transition: color .15s, padding-left .15s;
}
.nm-sub:hover { color: var(--fg); padding-left: 6px; }
.nm-cta { margin-top: 30px; justify-content: space-between; width: 100%; }
body.menu-open { overflow: hidden; }

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 18px 28px; font-family: 'Oswald', sans-serif; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase; font-size: 15px;
  border: 1px solid transparent; border-radius: 4px; cursor: pointer;
  transition: transform .15s, background .15s, border-color .15s, color .15s, box-shadow .2s;
  color: #fff; background: transparent; line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn-red { background: var(--red); color: #fff; box-shadow: var(--shadow-cta); }
.btn-red:hover { background: var(--red-hot); }
.btn-ghost { border-color: var(--line-2); color: var(--fg); }
.btn-ghost:hover { border-color: var(--fg); }
.btn-white { background: var(--fg); color: var(--bg); }
.btn-white:hover { background: var(--fg); color: var(--bg); opacity: 0.92; }
.btn-xl { padding: 22px 34px; font-size: 18px; }
.btn-sm { padding: 12px 18px; font-size: 13px; gap: 8px; }
.btn .arrow { width: 18px; height: 10px; border-top: 1.5px solid currentColor; position: relative; flex-shrink: 0; }
.btn .arrow::after { content: ""; position: absolute; right: 0; top: -4px; width: 8px; height: 8px; border-top: 1.5px solid currentColor; border-right: 1.5px solid currentColor; transform: rotate(45deg); }

/* ── Section primitive ──────────────────────────── */
section.s { padding: 80px 0; border-bottom: 1px solid var(--line); position: relative; }
@media (min-width: 768px) { section.s { padding: 120px 0; } }
section.s-narrow { padding: 56px 0; }
@media (min-width: 768px) { section.s-narrow { padding: 88px 0; } }
.s-head {
  display: grid; grid-template-columns: 1fr; gap: 20px;
  margin-bottom: 48px; align-items: end;
}
@media (min-width: 1024px) {
  .s-head { grid-template-columns: 1.4fr 1fr; gap: 48px; }
}
.s-title { font-family: 'Oswald', sans-serif; font-weight: 700; text-transform: uppercase; letter-spacing: -0.005em; line-height: 0.96; font-size: clamp(36px, 5.5vw, 76px); margin: 0; }
.s-title .red { color: var(--red); }
.s-kicker { color: var(--fg-dim); max-width: 480px; font-size: 16px; }
.s-num {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: var(--fg-mute); letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 14px;
}
.s-num .red { color: var(--red); }

/* ── Footer ──────────────────────────────────────── */
.footer {
  background: var(--bg-deep); border-top: 1px solid var(--line);
  padding: 88px 0 28px; position: relative; overflow: hidden;
}
.footer-mega {
  position: absolute; left: 0; right: 0; bottom: -8px;
  font-family: 'Oswald', sans-serif; font-weight: 700;
  text-transform: uppercase; letter-spacing: -0.02em;
  font-size: clamp(120px, 22vw, 320px); line-height: 0.8;
  text-align: center; pointer-events: none; user-select: none;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.18);
}
:root[data-theme="light"] .footer-mega { -webkit-text-stroke: 1px rgba(13,13,13,0.20); }
.footer-mega .red-dot { color: var(--red); -webkit-text-stroke: 0; }
.footer-grid {
  display: grid; grid-template-columns: 1fr; gap: 40px;
  position: relative; z-index: 2;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; } }
.footer-col h4 {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--fg-mute);
  margin: 0 0 18px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-family: 'Oswald', sans-serif; font-weight: 500;
  font-size: 15px; letter-spacing: 0.02em; color: var(--fg-dim);
  text-transform: uppercase; transition: color .15s; line-height: 1.3;
  display: inline-flex; align-items: center; gap: 8px;
}
.footer-col a:hover { color: var(--fg); }
.footer-col a .ext { width: 5px; height: 5px; border-radius: 50%; background: var(--red); opacity: 0.7; }
.footer-col p {
  font-size: 14px; color: var(--fg-dim); line-height: 1.6; margin: 0 0 16px;
}
.footer-contact-row { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; font-size: 14px; }
.footer-contact-row .lab {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-mute); display: block; margin-bottom: 2px;
}
.footer-contact-row a { color: var(--fg); font-family: 'Oswald', sans-serif; font-size: 16px; letter-spacing: 0.02em; text-transform: uppercase; font-weight: 500; }
.footer-contact-row a:hover { color: var(--red); }
.footer-bottom {
  margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between;
  font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--fg-mute);
  letter-spacing: 0.12em; text-transform: uppercase; position: relative; z-index: 2;
}
.footer-bottom a { color: var(--fg-mute); transition: color .15s; }
.footer-bottom a:hover { color: var(--fg); }
.footer-bottom-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-brand-row { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.footer-brand-row .brand { font-size: 28px; }

/* ── Floating Telegram CTA ─────────────────────── */
.fab-tg {
  position: fixed; bottom: 24px; right: 24px; z-index: 60;
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--tg-blue); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 28px rgba(42,171,238,0.40), 0 4px 8px rgba(0,0,0,0.4);
  transition: transform .15s; cursor: pointer; border: none;
}
.fab-tg:hover { transform: translateY(-2px) scale(1.04); }
.fab-tg svg { width: 28px; height: 28px; }

/* ── Card primitives ──────────────────────────── */
.rb-card {
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 0; padding: 28px; position: relative;
  transition: border-color .2s, background .2s;
}
.rb-card:hover { border-color: var(--line-2); }
.rb-card-pn {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--red);
  display: block; margin-bottom: 14px;
}
.rb-card h3 {
  font-family: 'Oswald', sans-serif; font-weight: 700; text-transform: uppercase;
  font-size: 26px; line-height: 1.05; letter-spacing: 0.01em; margin: 0 0 12px;
}
.rb-card p { font-size: 14.5px; color: var(--fg-dim); margin: 0; line-height: 1.55; }
.rb-card.red-edge { border-color: var(--line-red); }

/* Image with corner brackets — brand motif */
.img-frame {
  position: relative; background: var(--bg-2);
  border: 1px solid var(--line); overflow: hidden;
}
.img-frame img { width: 100%; height: 100%; object-fit: cover; filter: var(--img-filter); transition: transform .5s ease, filter .3s; }
.img-frame:hover img { transform: scale(1.03); filter: var(--img-filter) brightness(1.04); }
.img-frame .corner {
  position: absolute; width: 14px; height: 14px;
}
.img-frame .corner.tl { top: 10px; left: 10px; border-top: 2px solid var(--red); border-left: 2px solid var(--red); }
.img-frame .corner.tr { top: 10px; right: 10px; border-top: 2px solid var(--red); border-right: 2px solid var(--red); }
.img-frame .corner.bl { bottom: 10px; left: 10px; border-bottom: 2px solid var(--red); border-left: 2px solid var(--red); }
.img-frame .corner.br { bottom: 10px; right: 10px; border-bottom: 2px solid var(--red); border-right: 2px solid var(--red); }
.img-frame .tag-overlay {
  position: absolute; left: 14px; top: 14px; padding: 6px 10px;
  background: rgba(0,0,0,0.65); backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.18);
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  color: #fff; letter-spacing: 0.14em; text-transform: uppercase;
}
.img-frame .tag-overlay .red { color: var(--red); }

/* Hairline divider */
.hairline { height: 1px; background: var(--line); border: none; margin: 0; }

/* Eq-grid: 1px gap revealed as line color */
.eq-grid {
  display: grid; gap: 1px; background: var(--line);
  border: 1px solid var(--line);
}
.eq-grid > * { background: var(--bg); padding: 28px; }

/* Stat strip */
.stat-strip {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
@media (min-width: 768px) { .stat-strip { grid-template-columns: repeat(4, 1fr); } }
.stat-cell { background: var(--bg); padding: 28px 22px; }
.stat-cell .num {
  font-family: 'Oswald', sans-serif; font-weight: 700;
  font-size: clamp(34px, 4.4vw, 56px); line-height: 1; letter-spacing: -0.01em;
}
.stat-cell .num small { color: var(--red); font-size: 0.55em; vertical-align: top; margin-left: 2px; }
.stat-cell .lab { margin-top: 8px; font-size: 12px; color: var(--fg-mute); letter-spacing: 0.05em; text-transform: uppercase; }

/* Chips (sizes, filters) */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 6px 10px; border: 1px solid var(--line-2); color: var(--fg-dim);
  background: transparent; cursor: pointer; transition: all .15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.chip:hover { color: var(--fg); border-color: var(--fg); }
.chip.on { background: var(--fg); color: var(--bg); border-color: var(--fg); }

/* Breadcrumbs */
.crumbs {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-mute);
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  padding: 24px 0;
}
.crumbs a { color: var(--fg-mute); transition: color .15s; }
.crumbs a:hover { color: var(--fg); }
.crumbs .sep { color: var(--fg-faint); }
.crumbs .here { color: var(--fg); }

/* Page hero base (for inner pages) */
.page-hero {
  padding: 56px 0 64px; border-bottom: 1px solid var(--line);
  position: relative; overflow: hidden;
}
@media (min-width: 768px) { .page-hero { padding: 72px 0 96px; } }
.page-hero h1 { font-family: 'Oswald', sans-serif; font-weight: 700; text-transform: uppercase; letter-spacing: -0.005em; line-height: 0.96; font-size: clamp(40px, 6vw, 96px); margin: 16px 0 24px; }
.page-hero h1 .red { color: var(--red); }
.page-hero .lead { color: var(--fg-dim); font-size: clamp(16px, 1.7vw, 20px); max-width: 640px; line-height: 1.5; }

/* Theme transition smoothness */
body, .topbar, .footer, .rb-card, .btn, .nav a, .icon-btn, .top-cta, .img-frame, .chip {
  transition: background-color .25s, color .25s, border-color .25s, box-shadow .25s;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Print: hide chrome */
@media print {
  .topbar, .footer, .fab-tg, .tweaks-panel { display: none !important; }
}