:root {
  --traction-blue: #285f7e;
  --traction-red: #cc000c;
  --traction-light: #b4d3d6;
  --traction-dark: #0d1a22;
  --traction-gray: #dedede;
}

.traction-page {
  background: #fff;
  color: #000;
}

.traction-section {
  padding: 120px 0;
}

.traction-eyebrow {
  display: block;
  margin-bottom: 20px;
  color: var(--traction-blue);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.traction-eyebrow--red {
  color: var(--traction-red);
}

.traction-eyebrow--light {
  color: var(--traction-light);
}

.traction-heading {
  max-width: 980px;
  margin-bottom: 64px;
}

.traction-heading--split {
  max-width: none;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 80px;
  align-items: end;
}

.traction-heading h2,
.traction-cycle h2,
.traction-capacity h2,
.traction-charger h2,
.traction-bms h2,
.traction-contact h2,
.traction-faq h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.2vw, 4.3rem);
  font-weight: 800;
  letter-spacing: -.055em;
  line-height: .98;
}

.traction-heading h2 em,
.traction-capacity h2 em {
  color: var(--traction-blue);
  font-style: normal;
}

.traction-heading > p,
.traction-heading--split > p,
.traction-heading div + p {
  max-width: 58ch;
  margin: 24px 0 0;
  color: rgba(0, 0, 0, .58);
  font-size: 1rem;
  line-height: 1.75;
}

.traction-heading--split > p {
  margin: 0 0 4px;
}

/* Hero */
.traction-hero {
  position: relative;
  min-height: min(900px, 100vh);
  margin-top: 72px;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  background: var(--traction-dark);
  color: #fff;
}

.traction-hero__media,
.traction-hero__shade,
.traction-hero__rings {
  position: absolute;
  inset: 0;
}

.traction-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 63% center;
  filter: saturate(.82) contrast(1.05);
}

.traction-hero__shade {
  background:
    linear-gradient(90deg, rgba(5, 14, 19, .97) 0%, rgba(5, 14, 19, .88) 37%, rgba(5, 14, 19, .28) 70%, rgba(5, 14, 19, .06) 100%),
    linear-gradient(0deg, rgba(5, 14, 19, .7), transparent 48%);
}

.traction-hero__rings {
  inset: auto 5% 8% auto;
  width: 460px;
  height: 460px;
  border: 1px solid rgba(180, 211, 214, .18);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(180, 211, 214, .04), 0 0 0 180px rgba(180, 211, 214, .025);
}

.traction-hero__inner {
  position: relative;
  z-index: 2;
  padding: 84px 0 52px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .55fr);
  gap: 70px;
  align-items: end;
}

.traction-hero__copy {
  max-width: 970px;
}

.traction-hero h1 {
  max-width: 1000px;
  margin: 0;
  font-size: clamp(3.2rem, 6.1vw, 6.8rem);
  font-weight: 800;
  letter-spacing: -.068em;
  line-height: .91;
}

.traction-hero h1 em {
  display: block;
  color: var(--traction-light);
  font-style: normal;
}

.traction-hero__copy > p {
  max-width: 680px;
  margin: 34px 0 0;
  color: rgba(255, 255, 255, .72);
  font-size: 1.08rem;
  line-height: 1.7;
}

.traction-actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.traction-hero__facts {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.traction-hero__facts span {
  position: relative;
  padding-left: 16px;
  color: rgba(255, 255, 255, .7);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .03em;
}

.traction-hero__facts span::before {
  content: '';
  position: absolute;
  top: .42em;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--traction-red);
  border-radius: 50%;
}

.traction-hero__energy {
  position: relative;
  min-height: 210px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .22);
  background: rgba(5, 14, 19, .68);
  backdrop-filter: blur(12px);
}

.traction-hero__energy-label {
  margin-bottom: 12px;
  color: var(--traction-light);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.traction-hero__energy strong {
  max-width: 16ch;
  font-size: 1.15rem;
  line-height: 1.35;
}

.traction-hero__energy i {
  position: absolute;
  top: 28px;
  right: 28px;
  width: 58px;
  height: 32px;
  border: 2px solid var(--traction-light);
}

.traction-hero__energy i::after {
  content: '';
  position: absolute;
  top: 8px;
  right: -8px;
  width: 6px;
  height: 12px;
  background: var(--traction-light);
}

/* Machines */
.traction-machines {
  background: #f7f8f8;
}

.traction-machines__composition {
  min-height: 720px;
  display: grid;
  grid-template-columns: 1.25fr .75fr .75fr;
  grid-template-rows: 1fr 1fr;
  gap: 4px;
}

.traction-machine {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  background: var(--traction-dark);
}

.traction-machine--hero {
  grid-row: 1 / 3;
}

.traction-machine--wide {
  grid-column: 2 / 4;
}

.traction-machine img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.72);
  transition: transform .5s ease, filter .5s ease;
}

.traction-machine::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 40%, rgba(5, 14, 19, .88));
}

.traction-machine span {
  position: absolute;
  right: 24px;
  bottom: 24px;
  left: 24px;
  z-index: 1;
  color: #fff;
  font-size: clamp(1rem, 1.6vw, 1.55rem);
  font-weight: 700;
}

.traction-machine:hover img {
  transform: scale(1.035);
  filter: saturate(1);
}

.traction-machines__tags {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.traction-machines__tags span {
  padding: 10px 16px;
  border: 1px solid rgba(40, 95, 126, .3);
  color: var(--traction-blue);
  font-size: .72rem;
  font-weight: 600;
}

/* Work cycle */
.traction-cycle {
  background: #fff;
}

.traction-cycle__inner {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 100px;
  align-items: center;
}

.traction-cycle p {
  max-width: 55ch;
  margin: 28px 0 0;
  color: rgba(0, 0, 0, .58);
  line-height: 1.75;
}

.traction-cycle__flow {
  position: relative;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  list-style: none;
}

.traction-cycle__flow::before {
  content: '';
  position: absolute;
  top: 29px;
  right: 8%;
  left: 8%;
  height: 1px;
  background: rgba(40, 95, 126, .3);
}

.traction-cycle__flow li {
  position: relative;
  z-index: 1;
  text-align: center;
}

.traction-cycle__flow strong {
  width: 58px;
  height: 58px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(40, 95, 126, .35);
  border-radius: 50%;
  background: #fff;
  color: var(--traction-blue);
  font-size: .7rem;
}

.traction-cycle__flow span {
  font-size: .72rem;
  font-weight: 600;
}

/* Comparison */
.traction-compare {
  background: #f2f5f5;
}

.traction-compare__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.traction-compare article {
  min-height: 560px;
  padding: 52px;
}

.traction-compare__lead {
  border: 1px solid #ccd1d3;
  background: #e6e8e8;
}

.traction-compare__lithium {
  background: var(--traction-blue);
  color: #fff;
}

.traction-compare article > span {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  opacity: .62;
}

.traction-compare h3 {
  margin: 22px 0 34px;
  font-size: clamp(2rem, 3vw, 3.4rem);
  letter-spacing: -.045em;
}

.traction-compare ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.traction-compare li {
  position: relative;
  padding: 17px 0 17px 28px;
  border-top: 1px solid currentColor;
  font-size: .9rem;
  line-height: 1.5;
  opacity: .78;
}

.traction-compare li::before {
  content: '';
  position: absolute;
  top: 23px;
  left: 2px;
  width: 8px;
  height: 8px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.traction-compare__lithium small {
  margin-top: 24px;
  display: block;
  color: rgba(255, 255, 255, .55);
  line-height: 1.55;
}

/* Charging day */
.traction-day {
  background: var(--traction-dark);
  color: #fff;
}

.traction-day .traction-heading--split > p {
  color: rgba(255, 255, 255, .58);
}

.traction-day__timeline {
  position: relative;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
}

.traction-day__timeline::before {
  content: '';
  position: absolute;
  top: 58px;
  right: 10%;
  left: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--traction-blue), var(--traction-light));
}

.traction-day__timeline li {
  position: relative;
  z-index: 1;
  min-height: 210px;
  padding: 0 20px;
  text-align: center;
}

.traction-day__timeline li::before {
  content: '';
  width: 15px;
  height: 15px;
  margin: 31px auto 27px;
  display: block;
  border: 5px solid var(--traction-dark);
  border-radius: 50%;
  background: var(--traction-light);
  box-shadow: 0 0 0 1px var(--traction-light);
}

.traction-day__timeline .is-charge::before {
  background: var(--traction-red);
  box-shadow: 0 0 0 1px var(--traction-red), 0 0 24px rgba(204, 0, 12, .45);
}

.traction-day__timeline time {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
}

.traction-day__timeline span {
  max-width: 22ch;
  margin: 8px auto 0;
  display: block;
  color: rgba(255, 255, 255, .58);
  font-size: .8rem;
  line-height: 1.5;
}

.traction-day__conclusion {
  margin-top: 24px;
  padding-top: 34px;
  display: flex;
  gap: 40px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, .14);
}

.traction-day__conclusion strong {
  max-width: 670px;
  font-size: 1.15rem;
  line-height: 1.5;
}

/* Capacity */
.traction-capacity__inner {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 90px;
  align-items: center;
}

.traction-capacity p {
  margin: 28px 0 0;
  color: rgba(0, 0, 0, .58);
  line-height: 1.75;
}

.traction-capacity blockquote {
  margin: 34px 0 0;
  padding: 24px 0 0 28px;
  border-top: 1px solid var(--traction-gray);
  border-left: 3px solid var(--traction-red);
  color: var(--traction-blue);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
}

.traction-capacity__formula {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
}

.traction-capacity__formula span,
.traction-capacity__formula strong {
  min-height: 150px;
  padding: 22px;
  display: flex;
  align-items: flex-end;
  background: #edf1f2;
  color: var(--traction-dark);
  font-size: .82rem;
  line-height: 1.4;
}

.traction-capacity__formula strong {
  grid-column: 1 / -1;
  min-height: 180px;
  background: var(--traction-blue);
  color: #fff;
  font-size: 1.8rem;
}

.traction-capacity__formula b {
  display: none;
}

/* Retrofit */
.traction-retrofit {
  background: #f5f6f6;
}

.traction-retrofit__steps {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--traction-gray);
  border-left: 1px solid var(--traction-gray);
  list-style: none;
}

.traction-retrofit__steps li {
  min-height: 180px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--traction-gray);
  border-bottom: 1px solid var(--traction-gray);
  background: #fff;
  font-size: .9rem;
  font-weight: 600;
  line-height: 1.45;
}

.traction-retrofit__steps span {
  color: var(--traction-blue);
  font-size: .68rem;
  letter-spacing: .12em;
}

.traction-retrofit__accent {
  margin: 38px 0 0;
  color: rgba(0, 0, 0, .62);
  font-size: 1.15rem;
}

.traction-retrofit__accent strong {
  color: var(--traction-blue);
}

/* Charger */
.traction-charger {
  padding: 130px 0;
  background: var(--traction-blue);
  color: #fff;
}

.traction-charger__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
}

.traction-charger p {
  margin: 30px 0 36px;
  color: rgba(255, 255, 255, .66);
  line-height: 1.75;
}

.traction-charger__diagram {
  min-height: 440px;
  padding: 50px;
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  grid-template-rows: 1fr 80px 1fr;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, .2);
  background: rgba(13, 26, 34, .22);
}

.traction-charger__diagram strong {
  grid-column: 2;
  grid-row: 2;
  width: 110px;
  height: 110px;
  display: grid;
  place-items: center;
  transform: translate(-15px, -15px);
  border-radius: 50%;
  background: #fff;
  color: var(--traction-blue);
  font-size: .86rem;
}

.traction-charger__diagram span {
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, .25);
  text-align: center;
  font-size: .75rem;
  font-weight: 600;
}

.traction-charger__diagram span:first-child {
  grid-column: 1;
  grid-row: 1;
}

.traction-charger__diagram span:last-child {
  grid-column: 3;
  grid-row: 3;
}

.traction-charger__diagram i {
  height: 1px;
  background: rgba(255, 255, 255, .4);
}

/* Engineering */
.traction-engineering__board {
  min-height: 560px;
  padding: 62px;
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 80px;
  align-items: center;
  overflow: hidden;
  background: var(--traction-dark);
  color: #fff;
}

.traction-engineering__core {
  position: relative;
  aspect-ratio: 1;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid rgba(180, 211, 214, .34);
  border-radius: 50%;
  box-shadow: 0 0 0 35px rgba(180, 211, 214, .04), 0 0 0 70px rgba(180, 211, 214, .025);
}

.traction-engineering__core span {
  margin-bottom: 10px;
  color: var(--traction-light);
  font-size: .65rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.traction-engineering__core strong {
  font-size: 1.5rem;
  line-height: 1.3;
}

.traction-engineering__board ul {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, .14);
  border-left: 1px solid rgba(255, 255, 255, .14);
  list-style: none;
}

.traction-engineering__board li {
  min-height: 88px;
  padding: 16px;
  display: flex;
  align-items: flex-end;
  border-right: 1px solid rgba(255, 255, 255, .14);
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  color: rgba(255, 255, 255, .7);
  font-size: .72rem;
}

.traction-text-link {
  margin-top: 28px;
  display: inline-flex;
  gap: 14px;
  align-items: center;
  color: var(--traction-blue);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.traction-text-link span {
  color: var(--traction-red);
  font-size: 1.2rem;
}

/* BMS */
.traction-bms {
  background: var(--traction-dark);
  color: #fff;
}

.traction-bms__inner {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 100px;
  align-items: center;
}

.traction-bms p {
  margin: 28px 0 0;
  color: rgba(255, 255, 255, .56);
  line-height: 1.7;
}

.traction-bms__monitor {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.traction-bms__monitor strong {
  grid-column: 1 / -1;
  min-height: 180px;
  padding: 30px;
  display: flex;
  align-items: flex-end;
  background: var(--traction-blue);
  font-size: 3.8rem;
  letter-spacing: -.05em;
}

.traction-bms__monitor span {
  min-height: 110px;
  padding: 18px;
  display: flex;
  align-items: flex-end;
  border: 1px solid rgba(255, 255, 255, .14);
  color: rgba(255, 255, 255, .65);
  font-size: .7rem;
  line-height: 1.35;
}

/* Economy */
.traction-economy {
  background: #f5f6f6;
}

.traction-economy__formula {
  padding: 52px;
  display: grid;
  grid-template-columns: 1.2fr 60px .85fr 60px .8fr;
  align-items: center;
  background: #fff;
  border: 1px solid var(--traction-gray);
}

.traction-economy__formula > div {
  display: grid;
  grid-template-columns: 1fr 24px 1fr 24px 1fr;
  gap: 7px;
  align-items: center;
}

.traction-economy__formula span {
  min-height: 92px;
  padding: 14px;
  display: grid;
  place-items: center;
  background: #eef1f1;
  color: rgba(0, 0, 0, .64);
  font-size: .65rem;
  font-weight: 600;
  line-height: 1.35;
  text-align: center;
}

.traction-economy__formula b,
.traction-economy__formula > i {
  color: var(--traction-blue);
  font-style: normal;
  text-align: center;
}

.traction-economy__formula > strong,
.traction-economy__formula > em {
  font-size: .85rem;
  font-style: normal;
  line-height: 1.5;
  text-align: center;
}

.traction-economy__formula > em {
  padding: 25px;
  background: var(--traction-blue);
  color: #fff;
  font-weight: 700;
}

.traction-economy__footer {
  margin-top: 32px;
  display: flex;
  gap: 50px;
  align-items: center;
  justify-content: space-between;
}

.traction-economy__footer p {
  max-width: 680px;
  margin: 0;
  color: rgba(0, 0, 0, .6);
  line-height: 1.7;
}

/* Shifts */
.traction-shifts__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.traction-shifts article {
  min-height: 360px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  background: #eef2f2;
}

.traction-shifts article:nth-child(2) {
  background: var(--traction-light);
}

.traction-shifts article:nth-child(3) {
  background: var(--traction-blue);
  color: #fff;
}

.traction-shifts article > span {
  color: var(--traction-blue);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
}

.traction-shifts article:nth-child(3) > span {
  color: var(--traction-light);
}

.traction-shifts h3 {
  margin: 60px 0 20px;
  font-size: 2.6rem;
  letter-spacing: -.04em;
}

.traction-shifts p {
  margin: 0;
  color: inherit;
  line-height: 1.6;
  opacity: .66;
}

.traction-shifts i {
  margin-top: auto;
  padding-top: 30px;
  border-top: 1px solid currentColor;
  font-size: .65rem;
  font-style: normal;
  font-weight: 600;
  opacity: .45;
}

/* Scale */
.traction-scale {
  padding: 130px 0;
  overflow: hidden;
  background: var(--traction-blue);
  color: #fff;
}

.traction-scale__line {
  min-height: 380px;
  display: flex;
  gap: 12px;
  align-items: flex-end;
  justify-content: center;
  border-bottom: 1px solid rgba(255, 255, 255, .35);
}

.traction-scale__line span {
  width: calc(17% * var(--size));
  min-width: 130px;
  height: calc(210px * var(--size));
  padding: 18px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, .25);
  background: rgba(13, 26, 34, .18);
  font-size: .68rem;
  font-weight: 600;
  text-align: center;
}

.traction-scale > .wx__container > p {
  max-width: 760px;
  margin: 36px 0 0 auto;
  color: rgba(255, 255, 255, .62);
  line-height: 1.7;
}

/* Cases */
.traction-cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.traction-cases article {
  min-height: 540px;
  padding: 32px;
  background: linear-gradient(145deg, #e9eeee, #f8f9f9);
  border: 1px solid #d7dede;
}

.traction-cases article > span {
  color: var(--traction-blue);
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.traction-case__media {
  min-height: 180px;
  margin: 24px 0 0;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(145deg, rgba(40, 95, 126, .88), rgba(13, 26, 34, .96));
  color: rgba(255, 255, 255, .72);
  font-size: .72rem;
  font-weight: 600;
}

.traction-case__media::before {
  content: attr(data-file);
  margin-bottom: auto;
  color: rgba(255, 255, 255, .35);
  font-size: .58rem;
  font-weight: 500;
}

.traction-cases dl {
  margin: 0;
}

.traction-cases dl > div {
  padding: 20px 0;
  border-top: 1px solid rgba(40, 95, 126, .18);
}

.traction-cases dt {
  margin-bottom: 8px;
  color: rgba(0, 0, 0, .38);
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
}

.traction-cases dd {
  margin: 0;
  font-size: .78rem;
  line-height: 1.45;
}

/* Data checklist */
.traction-data {
  background: #eef2f2;
}

.traction-data__inner {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 90px;
  align-items: center;
}

.traction-data h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.2vw, 4.3rem);
  line-height: .98;
  letter-spacing: -.055em;
}

.traction-data p {
  margin: 28px 0 34px;
  color: rgba(0, 0, 0, .58);
  line-height: 1.75;
}

.traction-data__checklist {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(40, 95, 126, .2);
  border-left: 1px solid rgba(40, 95, 126, .2);
  list-style: none;
}

.traction-data__checklist li {
  position: relative;
  min-height: 88px;
  padding: 22px 22px 22px 52px;
  display: flex;
  align-items: center;
  border-right: 1px solid rgba(40, 95, 126, .2);
  border-bottom: 1px solid rgba(40, 95, 126, .2);
  background: rgba(255, 255, 255, .55);
  font-size: .76rem;
  line-height: 1.4;
}

.traction-data__checklist li::before {
  content: '✓';
  position: absolute;
  left: 22px;
  color: var(--traction-blue);
  font-weight: 800;
}

/* FAQ */
.traction-faq__inner {
  display: grid;
  grid-template-columns: .65fr 1.35fr;
  gap: 90px;
  align-items: start;
}

.traction-faq__heading {
  position: sticky;
  top: 110px;
}

.traction-faq__list {
  border-top: 1px solid var(--traction-gray);
}

.traction-faq details {
  border-bottom: 1px solid var(--traction-gray);
}

.traction-faq summary {
  position: relative;
  padding: 27px 54px 27px 0;
  cursor: pointer;
  list-style: none;
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.45;
}

.traction-faq summary::-webkit-details-marker {
  display: none;
}

.traction-faq summary::after {
  content: '+';
  position: absolute;
  top: 20px;
  right: 0;
  color: var(--traction-blue);
  font-size: 1.6rem;
  font-weight: 400;
}

.traction-faq details[open] summary::after {
  content: '−';
}

.traction-faq details p {
  max-width: 70ch;
  margin: -4px 0 28px;
  color: rgba(0, 0, 0, .58);
  font-size: .86rem;
  line-height: 1.7;
}

/* Related */
.traction-related {
  background: #f5f6f6;
}

.traction-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--traction-gray);
  border-left: 1px solid var(--traction-gray);
}

.traction-related__grid a {
  min-height: 150px;
  padding: 26px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  border-right: 1px solid var(--traction-gray);
  border-bottom: 1px solid var(--traction-gray);
  background: #fff;
  font-size: .85rem;
  font-weight: 700;
  transition: background .2s ease, color .2s ease;
}

.traction-related__grid a:hover {
  background: var(--traction-blue);
  color: #fff;
}

.traction-related__grid span {
  color: var(--traction-red);
  font-size: 1.2rem;
}

/* Contact */
.traction-contact {
  padding: 130px 0;
  background: var(--traction-dark);
  color: #fff;
}

.traction-contact__inner {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 90px;
  align-items: start;
}

.traction-contact__copy {
  position: sticky;
  top: 110px;
}

.traction-contact__copy > p {
  max-width: 53ch;
  margin: 30px 0;
  color: rgba(255, 255, 255, .6);
  line-height: 1.75;
}

.traction-contact__production {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  color: var(--traction-light);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.traction-form {
  background: #fff;
  color: var(--traction-dark);
}

.traction-form__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.traction-form__attach {
  min-height: 56px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(40, 95, 126, .42);
  color: var(--traction-blue);
  cursor: pointer;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-align: center;
  text-transform: uppercase;
}

/* Reveals */
.traction-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}

.traction-reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1200px) {
  .traction-hero__inner {
    grid-template-columns: 1fr .45fr;
    gap: 40px;
  }

  .traction-machines__composition {
    min-height: 620px;
  }

  .traction-engineering__board {
    gap: 55px;
  }

  .traction-economy__formula {
    padding: 34px;
    grid-template-columns: 1fr 40px .75fr 40px .72fr;
  }
}

@media (max-width: 1024px) {
  .traction-heading--split,
  .traction-cycle__inner,
  .traction-capacity__inner,
  .traction-charger__inner,
  .traction-bms__inner,
  .traction-data__inner,
  .traction-faq__inner,
  .traction-contact__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .traction-heading--split > p {
    margin: 0;
  }

  .traction-hero__inner {
    grid-template-columns: 1fr;
    align-content: end;
  }

  .traction-hero__energy {
    max-width: 480px;
    min-height: 150px;
  }

  .traction-machines__composition {
    min-height: 760px;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr;
  }

  .traction-machine--hero {
    grid-row: 1 / 3;
  }

  .traction-machine--wide {
    grid-column: 1 / 3;
  }

  .traction-cycle__flow {
    max-width: 760px;
  }

  .traction-capacity__formula {
    max-width: 800px;
  }

  .traction-engineering__board {
    grid-template-columns: 1fr;
  }

  .traction-engineering__core {
    max-width: 350px;
  }

  .traction-economy__formula {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .traction-economy__formula > i {
    transform: rotate(90deg);
  }

  .traction-economy__formula > strong,
  .traction-economy__formula > em {
    padding: 24px;
  }

  .traction-scale__line {
    overflow-x: auto;
    justify-content: flex-start;
  }

  .traction-cases__grid {
    grid-template-columns: 1fr;
  }

  .traction-cases article {
    min-height: 0;
  }

  .traction-faq__heading,
  .traction-contact__copy {
    position: static;
  }
}

@media (max-width: 760px) {
  .traction-section,
  .traction-charger,
  .traction-scale,
  .traction-contact {
    padding: 82px 0;
  }

  .traction-hero {
    min-height: 830px;
  }

  .traction-hero__media img {
    object-position: 65% center;
  }

  .traction-hero__shade {
    background: linear-gradient(90deg, rgba(5, 14, 19, .96), rgba(5, 14, 19, .58)), linear-gradient(0deg, rgba(5, 14, 19, .92), transparent 58%);
  }

  .traction-hero__inner {
    padding: 74px 0 34px;
  }

  .traction-hero h1 {
    font-size: clamp(2.65rem, 11vw, 4.4rem);
  }

  .traction-actions,
  .traction-day__conclusion,
  .traction-economy__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .traction-machines__composition {
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .traction-machine,
  .traction-machine--hero,
  .traction-machine--wide {
    grid-column: auto;
    grid-row: auto;
    min-height: 340px;
  }

  .traction-cycle__flow {
    grid-template-columns: 1fr;
  }

  .traction-cycle__flow::before {
    top: 10%;
    bottom: 10%;
    left: 29px;
    width: 1px;
    height: auto;
  }

  .traction-cycle__flow li {
    min-height: 82px;
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 18px;
    align-items: center;
    text-align: left;
  }

  .traction-cycle__flow strong {
    margin: 0;
  }

  .traction-compare__grid,
  .traction-shifts__grid,
  .traction-related__grid,
  .traction-data__checklist {
    grid-template-columns: 1fr;
  }

  .traction-compare article {
    min-height: 0;
    padding: 34px 24px;
  }

  .traction-day__timeline {
    grid-template-columns: 1fr;
  }

  .traction-day__timeline::before {
    top: 35px;
    bottom: 35px;
    left: 7px;
    width: 2px;
    height: auto;
  }

  .traction-day__timeline li {
    min-height: 115px;
    padding: 0 0 0 42px;
    display: grid;
    grid-template-columns: 90px 1fr;
    align-items: center;
    text-align: left;
  }

  .traction-day__timeline li::before {
    position: absolute;
    top: 42px;
    left: 0;
    margin: 0;
  }

  .traction-day__timeline span {
    margin: 0;
  }

  .traction-capacity__formula {
    grid-template-columns: 1fr 1fr;
  }

  .traction-retrofit__steps {
    grid-template-columns: 1fr;
  }

  .traction-retrofit__steps li {
    min-height: 125px;
  }

  .traction-charger__diagram {
    min-height: 340px;
    padding: 25px;
  }

  .traction-engineering__board {
    min-height: 0;
    padding: 30px 20px;
  }

  .traction-engineering__board ul,
  .traction-bms__monitor {
    grid-template-columns: 1fr 1fr;
  }

  .traction-engineering__core {
    width: min(100%, 290px);
  }

  .traction-economy__formula > div {
    grid-template-columns: 1fr;
  }

  .traction-economy__formula b {
    display: block;
  }

  .traction-shifts article {
    min-height: 310px;
  }

  .traction-scale__line {
    min-height: 330px;
  }

  .traction-scale__line span {
    flex: 0 0 150px;
  }

  .traction-data__checklist li {
    min-height: 76px;
  }

  .traction-related__grid a {
    min-height: 110px;
  }

  .traction-form__actions,
  .production-form__row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 460px) {
  .traction-heading h2,
  .traction-cycle h2,
  .traction-capacity h2,
  .traction-charger h2,
  .traction-bms h2,
  .traction-contact h2,
  .traction-faq h2,
  .traction-data h2 {
    font-size: 2.2rem;
  }

  .traction-hero__facts {
    flex-direction: column;
  }

  .traction-hero__energy {
    display: none;
  }

  .traction-capacity__formula {
    grid-template-columns: 1fr;
  }

  .traction-capacity__formula strong {
    grid-column: auto;
  }

  .traction-charger__diagram {
    min-height: 290px;
    grid-template-columns: 1fr 45px 1fr;
    grid-template-rows: 1fr 45px 1fr;
  }

  .traction-charger__diagram strong {
    width: 76px;
    height: 76px;
    transform: translate(-16px, -16px);
    font-size: .64rem;
  }

  .traction-charger__diagram span {
    padding: 10px;
    font-size: .58rem;
  }

  .traction-engineering__board ul,
  .traction-bms__monitor {
    grid-template-columns: 1fr;
  }

  .traction-bms__monitor strong {
    min-height: 140px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .traction-reveal {
    opacity: 1;
    transform: none;
  }

  .traction-machine img,
  .traction-reveal {
    transition: none;
  }
}