:root {
  --bg: #f4f0e8;
  --bg-soft: #fbf8f2;
  --ink: #1c2127;
  --muted: #5f676f;
  --line: rgba(28, 33, 39, 0.1);
  --brand: #d85a1e;
  --brand-deep: #a83e10;
  --brand-soft: #ffd9c8;
  --accent: #1f6f78;
  --dark: #11161b;
  --card: rgba(255, 255, 255, 0.78);
  --shadow: 0 24px 80px rgba(17, 22, 27, 0.12);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(216, 90, 30, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(31, 111, 120, 0.12), transparent 22%),
    linear-gradient(180deg, #f7f2e9 0%, #f3efe8 48%, #f8f5ef 100%);
}

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

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

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(247, 242, 233, 0.75);
  border-bottom: 1px solid rgba(28, 33, 39, 0.06);
}

.header-inner,
.footer-inner,
.hero-grid,
.metrics-grid,
.product-grid,
.advantage-grid,
.case-grid,
.about-grid,
.contact-box {
  display: grid;
}

.header-inner {
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 78px;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: rgba(28, 33, 39, 0.06);
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
}

.lang-btn.active {
  background: white;
  color: var(--ink);
  box-shadow: 0 8px 20px rgba(17, 22, 27, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand) 0%, #f28d46 100%);
  color: white;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-text {
  display: grid;
  gap: 3px;
}

.brand-text strong,
.brand-text em {
  font-style: normal;
}

.brand-text strong {
  font-size: 1rem;
}

.brand-text em {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav {
  display: inline-flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 0.96rem;
  color: var(--muted);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--ink);
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.header-cta {
  min-height: 48px;
  padding: 0 22px;
  background: var(--dark);
  color: white;
  font-weight: 600;
}

.btn:hover,
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(17, 22, 27, 0.15);
}

.hero {
  padding: 72px 0 56px;
}

.hero-grid {
  grid-template-columns: 1.05fr 0.95fr;
  gap: 42px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-deep);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.about-grid h2,
.contact-box h2 {
  margin: 0;
  line-height: 1.04;
}

.hero h1 {
  font-size: clamp(2.8rem, 5vw, 5rem);
}

.hero-text,
.section-heading p,
.about-text,
.contact-box p,
.product-card p,
.advantage-grid p,
.case-grid p {
  color: var(--muted);
  line-height: 1.8;
}

.hero-text {
  max-width: 640px;
  margin: 20px 0 0;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.btn {
  min-height: 54px;
  padding: 0 26px;
  font-weight: 700;
}

.btn-primary {
  background: var(--brand);
  color: white;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(28, 33, 39, 0.08);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.hero-points li {
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(28, 33, 39, 0.06);
}

.hero-visual {
  position: relative;
  min-height: 560px;
}

.stats-card,
.process-card,
.product-card,
.advantage-grid article,
.case-grid article {
  background: var(--card);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
}

.stats-card {
  position: absolute;
  top: 0;
  right: 10px;
  padding: 24px 26px;
  width: 260px;
  border-radius: 24px;
  z-index: 2;
}

.stats-card span,
.product-tag {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(216, 90, 30, 0.12);
  color: var(--brand-deep);
  font-weight: 700;
  font-size: 0.84rem;
}

.stats-card strong {
  display: block;
  margin-top: 16px;
  font-size: 2rem;
}

.stats-card p {
  margin: 8px 0 0;
  color: var(--muted);
}

.treadmill-stage {
  position: absolute;
  inset: 82px 0 0;
  border-radius: 36px;
  background:
    linear-gradient(145deg, rgba(17, 22, 27, 0.96), rgba(31, 111, 120, 0.96)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), transparent);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.track-glow {
  position: absolute;
  inset: auto 10% 16% 10%;
  height: 120px;
  background: radial-gradient(circle, rgba(216, 90, 30, 0.45), transparent 70%);
  filter: blur(10px);
}

.treadmill {
  position: absolute;
  inset: 50% auto auto 50%;
  width: min(72%, 360px);
  aspect-ratio: 1.25 / 1;
  transform: translate(-50%, -50%) rotate(-10deg);
}

.treadmill span {
  position: absolute;
  display: block;
  border-radius: 999px;
}

.handle {
  width: 14px;
  height: 210px;
  right: 34%;
  top: 2%;
  background: linear-gradient(180deg, #f4f5f6 0%, #7f8b96 100%);
  box-shadow: 78px 18px 0 -2px rgba(244, 245, 246, 0.92);
}

.screen {
  width: 118px;
  height: 72px;
  right: 10%;
  top: 7%;
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(244, 245, 246, 0.9), rgba(127, 139, 150, 0.85));
  transform: skew(-10deg);
}

.belt {
  width: 86%;
  height: 116px;
  left: 6%;
  bottom: 18%;
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(46, 56, 64, 0.98), rgba(16, 21, 24, 0.98));
  box-shadow:
    0 0 0 10px rgba(255, 255, 255, 0.1),
    inset 0 0 0 5px rgba(244, 245, 246, 0.12);
}

.base {
  width: 94%;
  height: 24px;
  left: 3%;
  bottom: 12%;
  background: linear-gradient(180deg, #bbc4cc 0%, #6a757f 100%);
}

.speed-tag {
  position: absolute;
  left: 24px;
  top: 26px;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.speed-tag-alt {
  left: auto;
  right: 24px;
  bottom: 24px;
  top: auto;
}

.metrics {
  padding-bottom: 26px;
}

.metrics-grid {
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.metrics-grid article {
  padding: 28px 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(28, 33, 39, 0.05);
  text-align: center;
}

.metrics-grid strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 2.3rem;
  color: var(--brand-deep);
}

.metrics-grid span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.section {
  padding: 92px 0;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4), transparent);
}

.section-dark {
  color: white;
  background:
    radial-gradient(circle at top left, rgba(216, 90, 30, 0.2), transparent 30%),
    linear-gradient(180deg, #0f161c 0%, #151f27 100%);
}

.section-dark .eyebrow,
.section-dark p {
  color: rgba(255, 255, 255, 0.72);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading h2,
.about-grid h2,
.contact-box h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.section-heading.narrow {
  max-width: 680px;
}

.product-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card,
.advantage-grid article,
.case-grid article,
.process-card {
  border-radius: var(--radius);
  padding: 28px;
}

.product-card h3,
.advantage-grid h3,
.case-grid h3,
.process-card h3 {
  margin: 20px 0 12px;
  font-size: 1.35rem;
}

.product-card ul,
.process-card ol {
  padding-left: 20px;
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.featured {
  background:
    linear-gradient(180deg, rgba(216, 90, 30, 0.98), rgba(168, 62, 16, 0.98));
  color: white;
}

.featured .product-tag {
  background: rgba(255, 255, 255, 0.16);
  color: white;
}

.featured p,
.featured ul {
  color: rgba(255, 255, 255, 0.82);
}

.advantage-grid,
.case-grid {
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.about-grid {
  grid-template-columns: 1.08fr 0.92fr;
  gap: 26px;
  align-items: start;
}

.contact-section {
  padding-top: 0;
}

.contact-box {
  grid-template-columns: 1.1fr auto;
  gap: 24px;
  align-items: center;
  padding: 38px;
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(255, 247, 241, 0.96), rgba(255, 255, 255, 0.9));
  border: 1px solid rgba(28, 33, 39, 0.06);
  box-shadow: var(--shadow);
}

.contact-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-footer {
  padding: 28px 0 42px;
}

.footer-inner {
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

.registration-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.info-card {
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(28, 33, 39, 0.06);
  box-shadow: var(--shadow);
}

.info-card.wide {
  grid-column: span 3;
}

.info-label {
  display: inline-block;
  margin-bottom: 16px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(31, 111, 120, 0.11);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.84rem;
}

.info-card h3 {
  margin: 0;
  line-height: 1.35;
  font-size: 1.28rem;
}

.info-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

@media (max-width: 980px) {
  .header-inner,
  .hero-grid,
  .product-grid,
  .about-grid,
  .contact-box,
  .footer-inner {
    grid-template-columns: 1fr;
  }

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

  .header-cta {
    display: none;
  }

  .header-tools {
    justify-content: flex-start;
  }

  .hero-visual {
    min-height: 500px;
  }

  .metrics-grid,
  .registration-grid,
  .advantage-grid,
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .info-card.wide {
    grid-column: span 2;
  }

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
  }

  .hero {
    padding-top: 40px;
  }

  .hero h1 {
    font-size: 2.45rem;
  }

  .hero-visual {
    min-height: 420px;
  }

  .stats-card {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    margin-bottom: 18px;
  }

  .treadmill-stage {
    inset: 0;
  }

  .metrics-grid,
  .registration-grid,
  .advantage-grid,
  .case-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .info-card.wide {
    grid-column: span 1;
  }

  .section,
  .contact-section {
    padding: 72px 0;
  }

  .contact-box {
    padding: 28px;
  }
}