/* =========================================================
   VeloMotion Bikes — single-page landing
   Editorial / brutalist sport-tech. Mobile-first.
   ========================================================= */

:root {
  /* palette */
  --bg: #ffffff;
  --bg-alt: #f3f3f1;
  --ink: #0a0a0a;
  --ink-2: #1a1a1a;
  --ink-soft: #4a4a4a;
  --line: #0a0a0a;
  --line-soft: #d8d8d4;
  --accent: #d63b2f;
  --accent-2: #1d4ed8;
  --warn: #facc15;

  /* type */
  --f-display: "Bebas Neue", "Space Grotesk", system-ui, sans-serif;
  --f-sans: "Space Grotesk", system-ui, -apple-system, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  /* fluid sizes */
  --fs-mono: clamp(.72rem, .65rem + .25vw, .82rem);
  --fs-body: clamp(1rem, .94rem + .3vw, 1.125rem);
  --fs-lead: clamp(1.05rem, .95rem + .6vw, 1.35rem);
  --fs-h3: clamp(1.25rem, 1.1rem + .8vw, 1.7rem);
  --fs-h2: clamp(2rem, 1.4rem + 3.6vw, 4.6rem);
  --fs-h1: clamp(2.4rem, 1.6rem + 4.5vw, 6rem);
  --fs-mega: clamp(3rem, 1.2rem + 7vw, 8rem);

  /* spacing */
  --pad-x: clamp(1rem, 4vw, 4rem);
  --gap: clamp(1.25rem, 1rem + 1.4vw, 2.5rem);
  --section-y: clamp(4rem, 3rem + 6vw, 9rem);

  /* effects */
  --r: 0px;
  --r-soft: 4px;
  --t-fast: .18s ease;
  --t: .28s cubic-bezier(.2,.7,.2,1);
  --t-slow: .6s cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 var(--fs-body)/1.5 var(--f-sans);
  font-feature-settings: "ss01","cv11";
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.skip-link {
  position: absolute; left: -1000px; top: 0; padding: .75rem 1rem;
  background: var(--ink); color: #fff; z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.visually-hidden {
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); border:0;
}

/* =========================================================
   TOPBAR
========================================================= */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: .85rem var(--pad-x);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px) saturate(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}
.logo {
  display: inline-flex; align-items: baseline; gap: .5rem;
  font-family: var(--f-display);
  font-size: 1.4rem; letter-spacing: .04em;
}
.logo__mark {
  font-family: var(--f-mono);
  font-size: .8rem;
  padding: .15rem .4rem;
  border: 1px solid var(--ink);
  background: var(--ink); color: #fff;
}
.logo--inv .logo__mark { background: #fff; color: var(--ink); border-color: #fff; }
.logo__text { font-weight: 400; }

.nav {
  display: none;
  gap: 1.6rem;
  font-family: var(--f-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.nav a { position: relative; padding: .25rem 0; }
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 1px; background: var(--ink); transition: right var(--t);
}
.nav a:hover::after { right: 0; }

.topbar__cta {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .55rem .9rem;
  background: var(--ink); color: #fff;
  font-family: var(--f-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  border: 1px solid var(--ink);
  transition: background var(--t), color var(--t), transform var(--t);
}
.topbar__cta:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-1px); }

@media (min-width: 920px) {
  .nav { display: flex; }
}

/* =========================================================
   GLOBAL TYPOGRAPHY
========================================================= */
.tag {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase;
  letter-spacing: .12em;
  padding: .35rem .55rem;
  border: 1px solid var(--ink);
}
.tag--mono { background: var(--ink); color: #fff; border-color: var(--ink); }

.t-outline {
  -webkit-text-stroke: 1.5px var(--ink);
  color: transparent;
}
.t-fill { color: var(--ink); }
.t-shift { display: inline-block; transform: translateX(clamp(.5rem, 4vw, 4rem)); }
.t-huge {
  font-size: var(--fs-mega);
  line-height: .85;
  letter-spacing: -.04em;
}

/* =========================================================
   BUTTONS
========================================================= */
.btn {
  display: inline-flex; align-items: center; gap: .65rem;
  padding: .9rem 1.2rem;
  font-family: var(--f-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .1em;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  transition: background var(--t), color var(--t), transform var(--t-fast), border-color var(--t);
  cursor: pointer;
  white-space: nowrap;
}
.btn--solid { background: var(--ink); color: #fff; }
.btn--solid:hover { background: var(--accent); border-color: var(--accent); transform: translate(-2px, -2px); box-shadow: 4px 4px 0 0 var(--ink); }
.btn--ghost:hover { background: var(--ink); color: #fff; transform: translate(-2px, -2px); box-shadow: 4px 4px 0 0 var(--accent); }
.btn--invert { background: #fff; color: var(--ink); border-color: #fff; }
.btn--invert:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn--full { width: 100%; justify-content: space-between; }
.btn__arrow { transition: transform var(--t); }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* =========================================================
   HERO
========================================================= */
.hero {
  position: relative;
  padding: clamp(2.5rem, 2rem + 4vw, 5rem) var(--pad-x) 0;
  border-bottom: 1px solid var(--line);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2vw, 2rem);
  position: relative;
}
.hero__meta { display: flex; gap: .5rem; flex-wrap: wrap; }
.hero__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: var(--fs-h1);
  line-height: .92;
  letter-spacing: -.01em;
  margin: clamp(.5rem, 2vw, 1.5rem) 0 0;
  text-transform: uppercase;
}
.hero__title span { display: block; }
.hero__lead {
  max-width: 56ch;
  font-size: var(--fs-lead);
  color: var(--ink-soft);
  line-height: 1.45;
  margin: clamp(1.5rem, 3vw, 2.5rem) 0 0;
}
.hero__ctas {
  display: flex; flex-wrap: wrap; gap: .75rem;
  margin: clamp(1rem, 2vw, 1.5rem) 0 0;
}
.hero__stats {
  margin: clamp(2rem, 4vw, 3rem) 0 clamp(2rem, 4vw, 3rem);
  padding: 1rem 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  list-style: none;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.hero__stats li { display: flex; flex-direction: column; gap: .15rem; }
.hero__stats b {
  font-family: var(--f-display);
  font-size: clamp(2rem, 1.4rem + 3vw, 3.6rem);
  line-height: 1; letter-spacing: -.02em;
}
.hero__stats span {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--ink-soft);
}
@media (min-width: 720px) {
  .hero__stats { grid-template-columns: repeat(4, 1fr); }
}

.hero__visual {
  position: relative;
  aspect-ratio: 16 / 10;
  margin-top: 1rem;
}
.hero__svg-wrap {
  position: relative; height: 100%; width: 100%;
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(0deg, transparent 0 39px, var(--line-soft) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 39px, var(--line-soft) 39px 40px),
    var(--bg-alt);
  overflow: hidden;
}
.bike-blueprint {
  position: absolute; inset: 0; margin: auto;
  width: 92%; height: 92%;
  object-fit: contain;
  /* делаем диаграмму строго чёрной поверх «миллиметровки» */
  filter: contrast(1.2) saturate(0);
  mix-blend-mode: multiply;
  animation: bpFloat 14s ease-in-out infinite;
}
@keyframes bpFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
.hero__corners {
  position: absolute; inset: 8px;
  pointer-events: none;
}
.hero__corners i {
  position: absolute; width: 18px; height: 18px;
  border: 1px solid var(--ink);
}
.hero__corners i:nth-child(1) { top: 0;    left: 0;    border-right: 0; border-bottom: 0; }
.hero__corners i:nth-child(2) { top: 0;    right: 0;   border-left: 0;  border-bottom: 0; }
.hero__corners i:nth-child(3) { bottom: 0; left: 0;    border-right: 0; border-top: 0; }
.hero__corners i:nth-child(4) { bottom: 0; right: 0;   border-left: 0;  border-top: 0; }

.hero__stamp {
  position: absolute; top: 18px; right: 18px;
  display: flex; flex-direction: column;
  font-family: var(--f-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .12em;
  text-align: right;
  background: #fff;
  padding: .45rem .6rem;
  border: 1px solid var(--ink);
  z-index: 2;
}
.hero__stamp b { font-weight: 700; }
.hero__stamp span { color: var(--ink-soft); font-size: .65rem; margin-top: 2px; }

.callout {
  position: absolute;
  font-family: var(--f-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  background: #fff;
  padding: .4rem .55rem;
  border: 1px solid var(--ink);
  display: inline-flex; align-items: center; gap: .4rem;
}
.callout i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  display: inline-block;
}
.callout--1 { top: 14%; left: 6%; }
.callout--2 { top: 48%; right: 5%; }
.callout--3 { bottom: 14%; left: 12%; }

.hero__scroll {
  display: none;
  position: absolute; bottom: 1.5rem; right: 0;
  flex-direction: column; align-items: center; gap: .5rem;
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .15em;
}
.hero__scroll i {
  width: 1px; height: 48px; background: var(--ink);
  position: relative; overflow: hidden;
}
.hero__scroll i::after {
  content: ""; position: absolute; top: -50%; left: 0; right: 0;
  height: 50%; background: var(--accent);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { top: -50%; }
  100% { top: 100%; }
}

@media (min-width: 1024px) {
  .hero { padding-bottom: 0; }
  .hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    grid-template-areas:
      "meta visual"
      "title visual"
      "lead visual"
      "ctas visual"
      "stats stats";
    column-gap: clamp(2rem, 4vw, 4rem);
  }
  .hero__meta { grid-area: meta; }
  .hero__title { grid-area: title; }
  .hero__lead { grid-area: lead; }
  .hero__ctas { grid-area: ctas; }
  .hero__stats { grid-area: stats; }
  .hero__visual { grid-area: visual; align-self: stretch; aspect-ratio: auto; min-height: 540px; margin-top: 0; }
  .hero__scroll { display: flex; }
}

.ticker {
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink);
  color: #fff;
}
.ticker__track {
  display: flex; gap: 2rem;
  padding: .9rem 0;
  font-family: var(--f-display); font-size: 1.4rem;
  letter-spacing: .15em;
  white-space: nowrap;
  animation: tick 36s linear infinite;
  width: max-content;
}
.ticker__track span:nth-child(2n) { color: var(--accent); }
@keyframes tick {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =========================================================
   SECTION COMMON
========================================================= */
.section {
  padding: var(--section-y) var(--pad-x);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.section__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: clamp(2rem, 1rem + 4vw, 4rem);
  position: relative;
}
.section__num {
  font-family: var(--f-mono);
  font-size: var(--fs-mono);
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.section__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: var(--fs-h2);
  line-height: .95;
  letter-spacing: -.01em;
  margin: 0;
  text-transform: uppercase;
}
.section__lead {
  max-width: 60ch;
  font-size: var(--fs-lead);
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0;
}
@media (min-width: 900px) {
  .section__head {
    grid-template-columns: auto 1fr;
    grid-template-areas:
      "num lead"
      "title title";
    column-gap: clamp(2rem, 4vw, 4rem);
    row-gap: 2rem;
  }
  .section__num { grid-area: num; align-self: end; }
  .section__lead { grid-area: lead; align-self: end; max-width: 50ch; }
  .section__title { grid-area: title; }
}

/* =========================================================
   MODELS
========================================================= */
.models__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
@media (min-width: 720px)  { .models__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .models__grid { grid-template-columns: repeat(3, 1fr); } }

.card {
  position: relative;
  display: flex; flex-direction: column;
  padding: clamp(1.25rem, 2vw, 2rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  transition: background var(--t), color var(--t), transform var(--t);
  outline: none;
  overflow: hidden;
}
.card:hover, .card:focus-visible {
  background: var(--ink); color: #fff;
}
.card:hover .card__media img,
.card:focus-visible .card__media img { filter: invert(1); }
.card:hover .card__link, .card:focus-visible .card__link { color: var(--accent); }
.card:hover .card__index, .card:focus-visible .card__index { color: var(--accent); }

.card--accent { background: var(--bg-alt); }
.card--accent:hover { background: var(--ink); }

.card__index {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .12em;
  color: var(--ink-soft);
  transition: color var(--t);
}
.card__badge {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--accent); color: #fff;
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .1em;
  padding: .2rem .45rem;
}
.card__media {
  position: relative;
  margin: 1.5rem 0 1.25rem;
  aspect-ratio: 16 / 10;
  display: grid; place-items: center;
  background:
    repeating-linear-gradient(0deg, transparent 0 23px, var(--line-soft) 23px 24px),
    repeating-linear-gradient(90deg, transparent 0 23px, var(--line-soft) 23px 24px);
  transition: background var(--t);
}
.card:hover .card__media,
.card:focus-visible .card__media {
  background:
    repeating-linear-gradient(0deg, transparent 0 23px, rgba(255,255,255,.08) 23px 24px),
    repeating-linear-gradient(90deg, transparent 0 23px, rgba(255,255,255,.08) 23px 24px);
}
.card__media img {
  width: 70%; height: 75%;
  object-fit: contain;
  transition: filter var(--t), transform var(--t-slow);
}
.card__media img.is-flipped { transform: scaleX(-1); }
.card:hover .card__media img,
.card:focus-visible .card__media img { transform: translateX(6px) scale(1.04); }
.card:hover .card__media img.is-flipped,
.card:focus-visible .card__media img.is-flipped { transform: scaleX(-1) translateX(6px) scale(1.04); }

.card__media--blueprint {
  position: relative;
}
.card__media--blueprint img {
  width: 90%; height: 90%;
  opacity: .35;
  filter: contrast(1.2) saturate(0);
  mix-blend-mode: multiply;
}
.card:hover .card__media--blueprint img,
.card:focus-visible .card__media--blueprint img { filter: invert(1); opacity: .25; }
.big-q {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--f-display);
  font-size: clamp(5rem, 4rem + 6vw, 9rem);
  line-height: 1;
}

.card__title {
  font-family: var(--f-display); font-weight: 400;
  font-size: var(--fs-h3);
  letter-spacing: .01em;
  text-transform: uppercase;
  margin: 0;
}
.card__sub {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--ink-soft);
  margin: .35rem 0 0;
}
.card:hover .card__sub { color: rgba(255,255,255,.7); }

.card__specs {
  list-style: none; padding: 0;
  margin: 1rem 0 1.25rem;
  display: flex; flex-direction: column; gap: .25rem;
  font-size: .95rem;
}
.card__specs li { padding-left: 1rem; position: relative; }
.card__specs li::before {
  content: ""; position: absolute; left: 0; top: .65em;
  width: .5rem; height: 1px; background: currentColor;
}

.card__foot {
  margin-top: auto;
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; padding-top: 1rem;
  border-top: 1px solid currentColor;
}
.card__price b {
  font-family: var(--f-display);
  font-size: 1.6rem; letter-spacing: -.01em;
}
.card__link {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  transition: color var(--t);
}

/* =========================================================
   CONFIGURATOR
========================================================= */
.config { background: var(--bg-alt); }

.config__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 1024px) {
  .config__layout {
    grid-template-columns: 200px minmax(0, 1fr) 340px;
    gap: 0;
    border: 1px solid var(--line);
    background: var(--bg);
  }
}

.config__steps {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; flex-direction: row; gap: 0;
  overflow-x: auto;
  border: 1px solid var(--line);
}
@media (min-width: 1024px) {
  .config__steps {
    flex-direction: column;
    border: 0;
    border-right: 1px solid var(--line);
    overflow: visible;
  }
}

.step {
  display: block;
  padding: 1rem 1.1rem;
  font-family: var(--f-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  text-align: left;
  white-space: nowrap;
  border-right: 1px solid var(--line);
  width: 100%;
  background: var(--bg);
  transition: background var(--t), color var(--t);
}
@media (min-width: 1024px) {
  .step { border-right: 0; border-bottom: 1px solid var(--line); }
}
.step:hover { background: var(--ink); color: #fff; }
.step.is-active { background: var(--ink); color: #fff; }
.step.is-active::before {
  content: "▸ ";
  color: var(--accent);
}

.config__panel {
  padding: clamp(1.25rem, 2vw, 2rem);
  border: 1px solid var(--line);
  background: var(--bg);
}
@media (min-width: 1024px) {
  .config__panel { border: 0; border-right: 1px solid var(--line); }
}
.config__pane { display: none; }
.config__pane.is-active { display: block; animation: paneIn .35s ease both; }
@keyframes paneIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.config__pane h3 {
  font-family: var(--f-display); font-weight: 400;
  font-size: var(--fs-h3);
  margin: 0 0 1.25rem;
  text-transform: uppercase;
}

.opts {
  display: grid; gap: .5rem;
}
.opts label {
  display: block; cursor: pointer;
  position: relative;
}
.opts input { position: absolute; opacity: 0; pointer-events: none; }
.opts span {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .85rem 1rem;
  border: 1px solid var(--line);
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .06em;
  transition: background var(--t), color var(--t), transform var(--t-fast);
}
.opts span i {
  font-style: normal;
  color: var(--ink-soft);
}
.opts label:hover span { background: var(--ink); color: #fff; transform: translateX(4px); }
.opts label:hover span i { color: var(--warn); }
.opts input:checked + span { background: var(--ink); color: #fff; }
.opts input:checked + span i { color: var(--warn); }
.opts input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.opts--inline { grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 1rem; }
.opts--inline label span { padding: .65rem .5rem; justify-content: center; border-right: 0; }
.opts--inline label:last-child span { border-right: 1px solid var(--line); }

.slider {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
}
.slider input[type="range"] {
  -webkit-appearance: none; appearance: none;
  height: 4px; background: var(--line-soft); border-radius: 4px;
  outline: none;
}
.slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 22px; height: 22px;
  background: var(--ink); border: 2px solid #fff; box-shadow: 0 0 0 1px var(--ink);
  border-radius: 50%;
  cursor: grab;
  transition: transform var(--t-fast);
}
.slider input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.15); cursor: grabbing; }
.slider input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px;
  background: var(--ink); border: 2px solid #fff; box-shadow: 0 0 0 1px var(--ink);
  border-radius: 50%;
  cursor: grab;
}
.slider output {
  font-family: var(--f-display); font-size: 1.6rem;
  min-width: 5ch; text-align: right;
}
.hint {
  margin: 1rem 0 0;
  font-family: var(--f-mono); font-size: var(--fs-mono);
  color: var(--ink-soft);
}

.swatches {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem;
}
@media (min-width: 540px) { .swatches { grid-template-columns: repeat(8, 1fr); } }
.swatches label { cursor: pointer; }
.swatches input { position: absolute; opacity: 0; pointer-events: none; }
.swatches span {
  display: block;
  aspect-ratio: 1/1;
  background: var(--c);
  border: 1px solid var(--line);
  position: relative;
  font-size: 0;
  transition: transform var(--t);
}
.swatches span::after {
  content: ""; position: absolute; inset: -6px;
  border: 1px solid transparent;
  pointer-events: none;
  transition: border-color var(--t);
}
.swatches label:hover span { transform: scale(.95); }
.swatches input:checked + span::after { border-color: var(--ink); }
.swatches input:focus-visible + span::after { border-color: var(--accent); }

.config__nav {
  display: flex; gap: .75rem; justify-content: space-between;
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.config__summary {
  padding: clamp(1.25rem, 2vw, 2rem);
  background: var(--ink);
  color: #fff;
  display: flex; flex-direction: column;
  gap: 1rem;
}
.summary__head { display: flex; flex-direction: column; gap: .25rem; }
.summary__head span {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .12em;
  color: rgba(255,255,255,.55);
}
.summary__head b {
  font-family: var(--f-display); font-size: 1.6rem; font-weight: 400;
  letter-spacing: .02em;
}
.summary__bike {
  position: relative;
  width: 100%; aspect-ratio: 16/10;
  background: rgba(255,255,255,.04);
  border: 1px dashed rgba(255,255,255,.22);
  overflow: hidden;
  --bike-color: #ffffff;
}
.summary__bike-grid {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 19px, rgba(255,255,255,.06) 19px 20px),
    repeating-linear-gradient(90deg, transparent 0 19px, rgba(255,255,255,.06) 19px 20px);
  pointer-events: none;
}
.summary__bike-img {
  position: absolute;
  top: 8%; left: 6%;
  width: 88%; height: 84%;
  object-fit: contain;
  /* чертёж чёрный на белом → инвертируем, чтобы линии стали белыми на тёмном фоне */
  filter: invert(1) contrast(1.1);
}
.summary__bike-swatch {
  position: absolute;
  right: 12px; bottom: 12px;
  width: 28px; height: 28px;
  background: var(--bike-color, #fff);
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px rgba(0,0,0,.4), 4px 4px 0 0 rgba(255,255,255,.15);
  transition: background-color var(--t);
}
.summary__bike-swatch::after {
  content: "цвет рамы";
  position: absolute;
  right: calc(100% + 8px);
  top: 50%; transform: translateY(-50%);
  font-family: var(--f-mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: .1em;
  color: rgba(255,255,255,.55);
  white-space: nowrap;
}
.summary__list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column;
  border-top: 1px solid rgba(255,255,255,.15);
}
.summary__list li {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: .55rem 0;
  border-bottom: 1px solid rgba(255,255,255,.15);
  font-size: .95rem;
}
.summary__list span {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  color: rgba(255,255,255,.55);
}
.summary__list b { font-weight: 500; }

.summary__price {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,.4);
}
.summary__price span {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .12em;
  color: rgba(255,255,255,.55);
}
.summary__price b {
  font-family: var(--f-display);
  font-size: clamp(2rem, 1.5rem + 2vw, 2.8rem);
  letter-spacing: -.01em;
  color: #fff;
  font-weight: 400;
}

.config__summary .btn {
  background: #fff; color: var(--ink); border-color: #fff;
}
.config__summary .btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); box-shadow: 4px 4px 0 0 #fff; }

.summary__note {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  color: rgba(255,255,255,.55);
  margin: 0;
}

/* =========================================================
   COMPARE
========================================================= */
.compare__pickers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--line);
  margin-bottom: 1.5rem;
}
@media (min-width: 720px) { .compare__pickers { grid-template-columns: repeat(3, 1fr); } }

.compare__pickers select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg);
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1rem 1.1rem;
  font: inherit;
  font-family: var(--f-mono);
  font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%),
                    linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 18px) center, calc(100% - 12px) center;
  background-size: 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.5rem;
}
@media (min-width: 720px) {
  .compare__pickers select:last-child { border-right: 0; }
  .compare__pickers select { border-bottom: 0; }
}
.compare__pickers select:hover { background-color: var(--bg-alt); }
.compare__pickers select:focus-visible { background-color: var(--bg-alt); outline-offset: -2px; }

.compare__table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
}
.compare__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
.compare__table th, .compare__table td {
  padding: .85rem 1rem;
  text-align: left;
  vertical-align: top;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: .95rem;
}
.compare__table th:last-child, .compare__table td:last-child { border-right: 0; }
.compare__table tr:last-child td { border-bottom: 0; }

.compare__table thead th {
  background: var(--ink); color: #fff;
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .12em;
  font-weight: 400;
}
.compare__table tbody th {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--ink-soft); font-weight: 400;
  background: var(--bg-alt);
  width: 28%;
}
.compare__table td.is-best {
  background: var(--warn);
  font-weight: 500;
}
.compare__table td.is-best::after {
  content: " ★"; color: var(--ink);
}

/* =========================================================
   REVIEWS
========================================================= */
.reviews__head {
  display: flex; flex-wrap: wrap; gap: 1.5rem;
  align-items: center; justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}
.reviews__rating {
  display: flex; align-items: baseline; gap: .8rem; flex-wrap: wrap;
}
.reviews__rating b {
  font-family: var(--f-display);
  font-size: clamp(2.5rem, 2rem + 2vw, 4rem);
  letter-spacing: -.01em;
}
.reviews__rating > span { font-family: var(--f-mono); font-size: var(--fs-mono); color: var(--ink-soft); text-transform: uppercase; letter-spacing: .1em; }
.stars { font-style: normal; color: var(--accent); letter-spacing: .15em; font-size: 1.25rem; }
.reviews__count { white-space: nowrap; }

.reviews__filter { display: flex; gap: .35rem; flex-wrap: wrap; }
.chip {
  padding: .5rem .8rem;
  border: 1px solid var(--line);
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  background: var(--bg);
  transition: background var(--t), color var(--t);
}
.chip:hover { background: var(--ink); color: #fff; }
.chip.is-active { background: var(--ink); color: #fff; }

.reviews__list {
  display: grid; gap: 0;
  grid-template-columns: 1fr;
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
}
@media (min-width: 720px)  { .reviews__list { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .reviews__list { grid-template-columns: repeat(3, 1fr); } }

.review {
  padding: clamp(1rem, 2vw, 1.5rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; gap: .75rem;
  transition: background var(--t);
}
.review:hover { background: var(--bg-alt); }
.review__head {
  display: flex; align-items: center; gap: .75rem;
}
.review__avatar {
  width: 40px; height: 40px;
  background: var(--ink); color: #fff;
  display: grid; place-items: center;
  font-family: var(--f-display); font-size: 1.05rem;
  border-radius: 50%;
}
.review__name { font-weight: 500; }
.review__meta {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  color: var(--ink-soft); text-transform: uppercase; letter-spacing: .06em;
}
.review__stars { color: var(--accent); letter-spacing: .1em; }
.review__text {
  margin: 0;
  font-size: 1rem; line-height: 1.55;
}
.review__model {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  padding: .25rem .5rem;
  border: 1px solid var(--line);
  align-self: flex-start;
}

.reviews__note {
  margin: 1.5rem 0 0;
  font-family: var(--f-mono); font-size: var(--fs-mono);
  color: var(--ink-soft);
}
.reviews__note code {
  background: var(--bg-alt); padding: .1rem .35rem;
  border: 1px solid var(--line-soft);
}

/* =========================================================
   TRUST
========================================================= */
.trust { padding: 0; border-bottom: 1px solid var(--line); }
.trust__grid {
  display: grid; grid-template-columns: 1fr;
}
@media (min-width: 720px)  { .trust__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .trust__grid { grid-template-columns: repeat(4, 1fr); } }
.trust__cell {
  padding: clamp(2rem, 4vw, 3.5rem) clamp(1.25rem, 2vw, 2rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; gap: .75rem;
  transition: background var(--t);
}
.trust__cell:hover { background: var(--bg-alt); }
.trust__cell--invert {
  background: var(--ink); color: #fff;
}
.trust__cell--invert:hover { background: #1f1f1f; }
.trust__cell b {
  font-family: var(--f-display);
  font-size: clamp(3rem, 2rem + 4vw, 5rem);
  line-height: 1; letter-spacing: -.02em;
}
.trust__cell span {
  font-size: 1rem; line-height: 1.45;
  color: var(--ink-soft);
}
.trust__cell--invert span { color: rgba(255,255,255,.7); }

/* =========================================================
   CONTACT
========================================================= */
.contact__layout {
  display: grid; grid-template-columns: 1fr; gap: 1.5rem;
}
@media (min-width: 1024px) {
  .contact__layout { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(2rem, 4vw, 4rem); }
}

.form { display: flex; flex-direction: column; gap: 1rem; }
.form__row {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
}
@media (min-width: 540px) { .form__row { grid-template-columns: 1fr 1fr; } }

.field { display: flex; flex-direction: column; gap: .35rem; }
.field span {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--ink-soft);
}
.field input, .field textarea {
  font: inherit; color: inherit;
  background: transparent;
  border: 0; border-bottom: 1px solid var(--line);
  padding: .65rem 0;
  resize: vertical;
  transition: border-color var(--t);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.field input:invalid:not(:placeholder-shown) {
  border-bottom-color: var(--accent);
}

.check {
  display: flex; align-items: flex-start; gap: .65rem;
  font-size: .95rem; color: var(--ink-soft);
}
.check input { margin-top: .25rem; accent-color: var(--ink); }
.check a { text-decoration: underline; text-underline-offset: 3px; }

.form__hint {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  margin: 0; min-height: 1.2em;
}
.form__hint.is-error { color: var(--accent); }
.form__hint.is-ok { color: #16a34a; }

.contact__side { display: flex; flex-direction: column; gap: 1.5rem; }
.contact__block {
  padding: 1.25rem;
  border: 1px solid var(--line);
  display: flex; flex-direction: column; gap: .25rem;
}
.contact__block span {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .1em; color: var(--ink-soft);
}
.contact__block b {
  font-family: var(--f-display); font-size: 1.4rem; font-weight: 400;
}
.contact__block p { margin: .35rem 0 0; color: var(--ink-soft); font-size: .95rem; }

.contact__map {
  position: relative;
  border: 1px solid var(--line);
  background: var(--bg-alt);
  overflow: hidden;
}
#map {
  width: 100%;
  aspect-ratio: 16 / 11;
  min-height: 320px;
}
/* Leaflet — лёгкая постобработка под ч/б брутализм. CartoDB Light
   уже монохромная, поэтому только чуть-чуть поднимаем контраст. */
#map .leaflet-tile-pane { filter: grayscale(1) contrast(1.02); }
#map.is-fallback {
  background:
    repeating-linear-gradient(0deg, transparent 0 31px, var(--line-soft) 31px 32px),
    repeating-linear-gradient(90deg, transparent 0 31px, var(--line-soft) 31px 32px),
    var(--bg-alt);
}
#map.is-fallback .leaflet-tile-pane { display: none; }
#map .leaflet-control-zoom a {
  background: #fff; color: var(--ink);
  border: 1px solid var(--ink) !important;
  border-radius: 0 !important;
  font-family: var(--f-mono);
  width: 30px; height: 30px; line-height: 28px;
}
#map .leaflet-control-zoom a:hover { background: var(--ink); color: #fff; }
#map .leaflet-control-attribution {
  background: rgba(255,255,255,.92);
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 0;
}
#map .leaflet-control-attribution a { color: var(--ink); text-decoration: underline; }

.vm-pin {
  display: flex; flex-direction: column; align-items: center; gap: .25rem;
  transform: translateY(-50%);
}
.vm-pin__dot {
  width: 16px; height: 16px;
  border: 2px solid #fff; box-shadow: 0 0 0 1px var(--ink);
  border-radius: 50%;
  animation: pinPulse 2s ease-in-out infinite;
}
.vm-pin__label {
  font-family: var(--f-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: .08em;
  background: #fff; padding: .15rem .35rem; border: 1px solid var(--ink);
  white-space: nowrap;
}
@keyframes pinPulse {
  0%,100% { transform: scale(1); }
  50%     { transform: scale(1.18); }
}

.leaflet-popup-content-wrapper {
  background: var(--ink); color: #fff;
  border-radius: 0;
  box-shadow: 4px 4px 0 0 var(--accent);
}
.leaflet-popup-content {
  margin: .75rem 1rem;
  font-family: var(--f-sans);
  font-size: .9rem;
}
.leaflet-popup-content b {
  display: block; font-family: var(--f-display); font-size: 1.1rem;
  letter-spacing: .02em; margin-bottom: .15rem;
}
.leaflet-popup-content small {
  display: block;
  font-family: var(--f-mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: .1em;
  color: rgba(255,255,255,.55);
  margin-top: .25rem;
}
.leaflet-popup-tip { background: var(--ink); }
.leaflet-popup-close-button { color: #fff !important; font-size: 18px !important; }

.map__legend {
  position: absolute; left: 12px; top: 12px;
  z-index: 500;
  display: flex; flex-direction: column; gap: 4px;
  padding: .5rem .65rem;
  background: rgba(255,255,255,.95);
  border: 1px solid var(--ink);
  font-family: var(--f-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: .08em;
  pointer-events: none;
}
.map__legend span { display: inline-flex; align-items: center; gap: .4rem; }
.map__legend i {
  width: 10px; height: 10px; border-radius: 50%;
  border: 1.5px solid #fff; box-shadow: 0 0 0 1px var(--ink);
}

/* =========================================================
   CTA STRIP
========================================================= */
.cta-strip {
  background: var(--ink);
  color: #fff;
  padding: clamp(3rem, 4vw, 5rem) var(--pad-x);
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: "VELOMOTION · VELOMOTION · VELOMOTION ·";
  position: absolute; bottom: -.4em; left: -2%;
  font-family: var(--f-display);
  font-size: clamp(6rem, 4rem + 12vw, 16rem);
  white-space: nowrap;
  color: rgba(255,255,255,.04);
  pointer-events: none;
  letter-spacing: .02em;
}
.cta-strip__inner {
  position: relative; z-index: 1;
  max-width: 60ch;
  display: flex; flex-direction: column; gap: 1rem; align-items: flex-start;
}
.cta-strip__title {
  font-family: var(--f-display); font-weight: 400;
  font-size: var(--fs-h2); line-height: .95;
  margin: 0; text-transform: uppercase;
}
.cta-strip .t-outline { -webkit-text-stroke-color: #fff; }
.cta-strip p {
  margin: 0; max-width: 50ch; color: rgba(255,255,255,.7);
  font-size: var(--fs-lead); line-height: 1.5;
}

/* =========================================================
   FOOTER
========================================================= */
.footer {
  background: var(--ink); color: #fff;
  padding: clamp(2.5rem, 4vw, 4rem) var(--pad-x) 1.5rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
@media (min-width: 720px)  { .footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }

.footer__brand p {
  margin: 1rem 0 0;
  color: rgba(255,255,255,.6); max-width: 30ch;
}
.footer__col {
  display: flex; flex-direction: column; gap: .5rem;
}
.footer__col span {
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .12em;
  color: rgba(255,255,255,.4);
  margin-bottom: .25rem;
}
.footer__col a { transition: color var(--t); }
.footer__col a:hover { color: var(--accent); }

.footer__base {
  margin-top: 1.5rem;
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .08em;
  color: rgba(255,255,255,.4);
}
.footer__credits {
  margin: 1rem 0 0;
  font-family: var(--f-mono);
  font-size: 11px;
  line-height: 1.5;
  color: rgba(255,255,255,.4);
  max-width: 80ch;
}
.footer__credits a {
  color: rgba(255,255,255,.6);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--t);
}
.footer__credits a:hover { color: var(--accent); }

/* =========================================================
   STICKY MOBILE CTA
========================================================= */
.sticky-cta {
  position: fixed; left: 1rem; right: 1rem; bottom: 1rem;
  z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  padding: .9rem 1.1rem;
  background: var(--ink); color: #fff;
  font-family: var(--f-mono); font-size: var(--fs-mono);
  text-transform: uppercase; letter-spacing: .1em;
  border: 1px solid var(--ink);
  transform: translateY(120%);
  transition: transform var(--t-slow);
  box-shadow: 0 6px 24px rgba(0,0,0,.18);
}
.sticky-cta.is-visible { transform: translateY(0); }
.sticky-cta:hover { background: var(--accent); border-color: var(--accent); }
.sticky-cta i { font-style: normal; transition: transform var(--t); }
.sticky-cta:hover i { transform: translateX(4px); }
@media (min-width: 1024px) { .sticky-cta { display: none; } }

/* =========================================================
   REVEAL ON SCROLL
========================================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1);
}
[data-reveal].is-in {
  opacity: 1; transform: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}