*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  color-scheme: dark;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--color-accent) 14%, transparent), transparent 28%),
    radial-gradient(circle at 12% 18%, color-mix(in srgb, var(--color-line) 18%, transparent), transparent 30%),
    linear-gradient(160deg, var(--color-page), color-mix(in srgb, var(--color-page) 72%, black)),
    var(--texture-a);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.55;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.18em;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

input[type="search"]::-webkit-search-cancel-button {
  display: none;
}

.site-shell {
  position: relative;
  min-height: 100vh;
  padding: 1.25rem;
}

.site-shell::before,
.site-shell::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}

.site-shell::before {
  background:
    var(--texture-b) center top / 420px 420px repeat,
    radial-gradient(circle at 80% 12%, color-mix(in srgb, var(--color-line) 12%, transparent), transparent 24%);
  opacity: 0.32;
}

.site-shell::after {
  background:
    linear-gradient(180deg, transparent, color-mix(in srgb, var(--color-page) 84%, black)),
    var(--texture-c) left top / 320px 320px repeat;
  opacity: 0.18;
}

.page-stack {
  display: grid;
  gap: 2rem;
  max-width: 1380px;
  margin: 0 auto;
  padding: 1rem 0 3rem;
}

.site-header,
.site-footer,
.hero-split,
.track-module,
.rail-block,
.saved-races-panel {
  position: relative;
  overflow: clip;
  border: 1px solid color-mix(in srgb, var(--color-line) 18%, transparent);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--color-panel) 94%, transparent), color-mix(in srgb, var(--color-soft) 92%, transparent)),
    var(--texture-a) center/280px 280px repeat;
  border-radius: 1.55rem;
  box-shadow:
    0 1rem 3rem color-mix(in srgb, var(--color-page) 62%, black),
    inset 0 1px 0 color-mix(in srgb, white 6%, transparent);
}

.site-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  max-width: 1380px;
  margin: 0 auto;
  padding: 1rem 1.2rem;
  position: sticky;
  top: 1rem;
  z-index: 20;
  backdrop-filter: blur(14px);
}

.brand-lockup {
  display: grid;
  gap: 0.12rem;
  text-decoration: none;
}

.brand-lockup__eyebrow {
  font-family: var(--font-accent);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-line);
}

.brand-lockup__title {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 1.7vw, 1.6rem);
  font-weight: 700;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem;
}

.site-nav__link,
.city-switch,
.inline-button,
.secondary-button,
.ghost-button,
.primary-button {
  border-radius: 999px;
  text-decoration: none;
}

.site-nav__link {
  padding: 0.55rem 0.9rem;
  border: 1px solid transparent;
  color: color-mix(in srgb, var(--color-muted) 88%, white);
  transition: transform 240ms ease, border-color 240ms ease, color 240ms ease, background-color 240ms ease;
}

.site-nav__link:hover,
.site-nav__link:focus-visible,
.site-nav__link.is-active {
  border-color: color-mix(in srgb, var(--color-line) 24%, transparent);
  background: color-mix(in srgb, var(--color-line) 11%, transparent);
  color: var(--color-text);
  transform: translateY(-1px);
}

.city-switch {
  justify-self: end;
  padding: 0.65rem 1rem;
  border: 1px solid color-mix(in srgb, var(--color-accent) 24%, transparent);
  background: linear-gradient(120deg, color-mix(in srgb, var(--color-accent) 18%, transparent), transparent);
  font-size: 0.92rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-family: var(--font-accent);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-line);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-heading);
  line-height: 1.05;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 5.2rem);
}

h2 {
  font-size: clamp(1.4rem, 2.2vw, 2.4rem);
}

p {
  margin: 0;
}

.lead-paragraph {
  font-size: clamp(1.05rem, 1.5vw, 1.34rem);
  color: var(--color-text);
}

.soft-paragraph,
.site-footer__text,
.result-board__text {
  color: color-mix(in srgb, var(--color-muted) 92%, white);
}

.hero-split,
.track-module,
.rail-block,
.saved-races-panel {
  padding: clamp(1.2rem, 2vw, 2rem);
}

.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  gap: 1.5rem;
  align-items: center;
}

.hero-split__copy,
.track-module__copy,
.track-panel,
.scenario-card__body,
.info-card,
.detail-block {
  display: grid;
  gap: 0.95rem;
}

.hero-split__poster,
.track-module__poster,
.scenario-card__poster {
  position: relative;
}

.poster-frame {
  position: relative;
  display: block;
  border-radius: 1.3rem;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--color-line) 14%, transparent);
  background: color-mix(in srgb, var(--color-page) 80%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, white 4%, transparent);
}

.poster-frame::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 30%;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--color-page) 64%, transparent));
  pointer-events: none;
}

.poster-frame img {
  width: 100%;
  object-fit: cover;
}

.track-module {
  display: grid;
  gap: 1.4rem;
}

.track-module--full {
  min-height: 78vh;
}

.track-module__hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 1.5rem;
  align-items: center;
}

.bullet-rail,
.detail-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.bullet-rail {
  display: grid;
  gap: 0.6rem;
}

.bullet-rail li,
.detail-list li {
  position: relative;
  padding-left: 1.3rem;
}

.bullet-rail li::before,
.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--color-line), var(--color-accent));
  box-shadow: 0 0 0.7rem color-mix(in srgb, var(--color-line) 26%, transparent);
}

.track-module__controls {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  border-radius: 1.25rem;
  background:
    linear-gradient(140deg, color-mix(in srgb, var(--color-page) 42%, transparent), transparent),
    color-mix(in srgb, var(--color-page) 34%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-line) 10%, transparent);
}

.control-block {
  display: grid;
  gap: 0.65rem;
}

.control-block__title,
.result-board__label,
.site-footer__label {
  font-family: var(--font-accent);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.choice-chip,
.primary-button,
.secondary-button,
.ghost-button,
.inline-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border: 1px solid color-mix(in srgb, var(--color-line) 14%, transparent);
  padding: 0.72rem 1rem;
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--color-line) 10%, transparent), transparent),
    color-mix(in srgb, var(--color-panel) 74%, transparent);
  color: var(--color-text);
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    background-color 200ms ease,
    box-shadow 220ms ease;
}

.choice-chip {
  font-size: 0.94rem;
}

.choice-chip:hover,
.choice-chip:focus-visible,
.choice-chip.is-active,
.primary-button:hover,
.primary-button:focus-visible,
.secondary-button:hover,
.secondary-button:focus-visible,
.ghost-button:hover,
.ghost-button:focus-visible,
.inline-button:hover,
.inline-button:focus-visible {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--color-line) 32%, transparent);
  box-shadow: 0 0.8rem 1.6rem color-mix(in srgb, var(--color-page) 48%, black);
}

.choice-chip--ghost,
.ghost-button {
  background: color-mix(in srgb, var(--color-page) 36%, transparent);
}

.choice-chip.is-active {
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--color-accent) 18%, transparent), color-mix(in srgb, var(--color-line) 15%, transparent)),
    color-mix(in srgb, var(--color-soft) 78%, transparent);
}

.primary-button {
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--color-accent) 48%, transparent), color-mix(in srgb, var(--color-line) 24%, transparent)),
    color-mix(in srgb, var(--color-soft) 82%, transparent);
}

.secondary-button,
.inline-button {
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--color-line) 22%, transparent), transparent),
    color-mix(in srgb, var(--color-panel) 82%, transparent);
}

.search-box {
  display: grid;
  gap: 0.55rem;
}

.search-box span {
  font-family: var(--font-accent);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.search-box input {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  border: 1px solid color-mix(in srgb, var(--color-line) 18%, transparent);
  background: color-mix(in srgb, var(--color-page) 32%, transparent);
  color: var(--color-text);
}

.search-box input:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--color-line) 42%, transparent);
  outline-offset: 2px;
}

.track-module__actions,
.saved-races-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.search-results {
  display: grid;
  gap: 0.55rem;
}

.search-results:empty {
  display: none;
}

.search-result {
  display: grid;
  gap: 0.25rem;
  padding: 0.8rem 0.9rem;
  border-radius: 1rem;
  border: 1px solid color-mix(in srgb, var(--color-line) 14%, transparent);
  background: color-mix(in srgb, var(--color-page) 28%, transparent);
  text-decoration: none;
}

.search-result small {
  color: var(--color-muted);
}

.track-module__stage {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 1rem;
  align-items: stretch;
}

.track-canvas,
.track-panel {
  position: relative;
  min-height: 28rem;
  border-radius: 1.35rem;
  border: 1px solid color-mix(in srgb, var(--color-line) 14%, transparent);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--color-page) 36%, transparent), color-mix(in srgb, var(--color-panel) 76%, transparent)),
    var(--texture-b) center/260px 260px repeat;
}

.track-canvas {
  overflow: hidden;
}

.track-canvas::before {
  content: "";
  position: absolute;
  inset: 1rem;
  border-radius: 1.1rem;
  border: 1px solid color-mix(in srgb, var(--color-text) 6%, transparent);
}

.track-canvas__line {
  position: absolute;
  inset: 8%;
  width: 84%;
  height: 84%;
}

.track-canvas__line polyline {
  fill: none;
  stroke: color-mix(in srgb, var(--color-line) 78%, white);
  stroke-width: 4.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 7 5;
  animation: dash-flow 7s linear infinite;
}

.track-node,
.track-car {
  position: absolute;
  left: var(--x);
  top: var(--y);
  transform: translate(-50%, -50%);
}

.track-node {
  display: grid;
  gap: 0.45rem;
  justify-items: center;
  width: clamp(7rem, 11vw, 9rem);
  padding: 0.7rem 0.5rem;
  border: 1px solid color-mix(in srgb, var(--color-line) 18%, transparent);
  border-radius: 1rem;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--color-soft) 88%, transparent), color-mix(in srgb, var(--color-panel) 90%, transparent));
  color: var(--color-text);
  opacity: 0.22;
  pointer-events: none;
  transition:
    opacity 220ms ease,
    transform 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.track-node.is-visible {
  opacity: 0.95;
  pointer-events: auto;
}

.track-node.is-current {
  border-color: color-mix(in srgb, var(--color-accent) 44%, transparent);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--color-accent) 16%, transparent),
    0 0 1.8rem color-mix(in srgb, var(--color-accent) 18%, transparent);
  transform: translate(-50%, -50%) scale(1.03);
}

.track-node span {
  font-size: 0.82rem;
  line-height: 1.25;
}

.track-car {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 999px;
  background:
    radial-gradient(circle at 35% 35%, white, color-mix(in srgb, var(--color-line) 64%, white) 35%, var(--color-accent) 75%);
  box-shadow:
    0 0 1rem color-mix(in srgb, var(--color-line) 40%, transparent),
    0 0 0 0.35rem color-mix(in srgb, var(--color-line) 12%, transparent);
  transition: left 380ms ease, top 380ms ease, transform 280ms ease;
  animation: car-idle 2.6s ease-in-out infinite;
}

.track-panel {
  padding: 1.25rem;
}

.track-panel__eyebrow {
  font-family: var(--font-accent);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-line);
}

.detail-list {
  display: grid;
  gap: 0.65rem;
}

.result-board {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  border-radius: 1.15rem;
  border: 1px solid color-mix(in srgb, var(--color-accent) 18%, transparent);
  background:
    linear-gradient(125deg, color-mix(in srgb, var(--color-accent) 10%, transparent), transparent),
    color-mix(in srgb, var(--color-page) 24%, transparent);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  font-family: var(--font-accent);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.status-pill--free {
  background: color-mix(in srgb, #1fc48d 16%, transparent);
  border-color: color-mix(in srgb, #1fc48d 28%, transparent);
}

.status-pill--conditional {
  background: color-mix(in srgb, #f4c14e 16%, transparent);
  border-color: color-mix(in srgb, #f4c14e 28%, transparent);
}

.status-pill--separate {
  background: color-mix(in srgb, #ff6d7a 16%, transparent);
  border-color: color-mix(in srgb, #ff6d7a 28%, transparent);
}

.rail-block {
  display: grid;
  gap: 1rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card-grid--compact {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card-grid--wide {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card,
.scenario-card,
.tip-card,
.saved-race-card {
  border-radius: 1.2rem;
  border: 1px solid color-mix(in srgb, var(--color-line) 12%, transparent);
  background:
    linear-gradient(140deg, color-mix(in srgb, var(--color-page) 26%, transparent), color-mix(in srgb, var(--color-soft) 66%, transparent));
}

.info-card,
.tip-card,
.saved-race-card {
  padding: 1rem;
}

.info-card--compact h2 {
  font-size: clamp(1.15rem, 1.4vw, 1.45rem);
}

.scenario-card {
  display: grid;
  grid-template-columns: minmax(220px, 0.95fr) minmax(0, 1.05fr);
  overflow: hidden;
}

.scenario-card__body {
  padding: 1rem;
}

.content-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.detail-block {
  padding: 1rem;
  border-radius: 1.2rem;
  border: 1px solid color-mix(in srgb, var(--color-line) 10%, transparent);
  background: color-mix(in srgb, var(--color-page) 28%, transparent);
}

.tip-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.tip-card {
  display: grid;
  gap: 0.8rem;
}

.saved-races-panel {
  display: grid;
  gap: 1rem;
}

.saved-races-panel__list {
  display: grid;
  gap: 0.85rem;
}

.saved-races-panel__list:empty::before {
  content: "Сохранённых заездов пока нет. Пройдите трассу и нажмите «Сохранить мой заезд».";
  display: block;
  padding: 1rem;
  border-radius: 1rem;
  border: 1px dashed color-mix(in srgb, var(--color-line) 18%, transparent);
  color: var(--color-muted);
}

.saved-race-card {
  display: grid;
  gap: 0.6rem;
}

.saved-race-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.site-footer {
  display: grid;
  gap: 1rem;
  max-width: 1380px;
  margin: 0 auto;
  padding: 1.2rem;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 1rem;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid color-mix(in srgb, var(--color-line) 12%, transparent);
  color: var(--color-muted);
}

:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--color-line) 44%, transparent);
  outline-offset: 3px;
}

.is-pulse {
  animation: pulse-flash 420ms ease;
}

@keyframes dash-flow {
  from {
    stroke-dashoffset: 0;
  }

  to {
    stroke-dashoffset: -48;
  }
}

@keyframes car-idle {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
  }

  50% {
    transform: translate(-50%, calc(-50% - 3px)) scale(1.06);
  }
}

@keyframes pulse-flash {
  0% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-line) 0%, transparent);
  }

  50% {
    box-shadow: 0 0 0 0.45rem color-mix(in srgb, var(--color-line) 18%, transparent);
  }

  100% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-line) 0%, transparent);
  }
}

@media (max-width: 1180px) {
  .card-grid--compact,
  .tip-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .site-footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .site-header {
    position: static;
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .city-switch {
    justify-self: start;
  }

  .hero-split,
  .track-module__hero,
  .track-module__stage,
  .scenario-card,
  .content-columns {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .card-grid--compact,
  .card-grid--wide,
  .tip-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-shell {
    padding: 0.8rem;
  }

  .page-stack {
    gap: 1.2rem;
  }

  .hero-split,
  .track-module,
  .rail-block,
  .saved-races-panel,
  .site-footer {
    padding: 1rem;
    border-radius: 1.15rem;
  }

  .card-grid,
  .card-grid--compact,
  .card-grid--wide,
  .tip-grid,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .track-canvas,
  .track-panel {
    min-height: 24rem;
  }

  .track-node {
    width: 6.25rem;
    padding: 0.55rem 0.4rem;
  }

  .track-node span {
    font-size: 0.72rem;
  }

  .result-board {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .track-canvas__line polyline {
    stroke-dasharray: none;
  }

  .track-car {
    box-shadow: 0 0 0 0.3rem color-mix(in srgb, var(--color-line) 10%, transparent);
  }

  .poster-frame::after {
    height: 14%;
  }
}