:root {
  --black: #050505;
  --charcoal: #101114;
  --charcoal-2: #181a1f;
  --yellow: #FCF000;
  --yellow-dark: #dba600;
  --white: #ffffff;
  --soft-white: #f7f7f2;
  --muted: #b9bcc6;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--white);
  background: var(--black);
}

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

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 22px 6vw;
  background: rgba(5, 5, 5, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.logo {
  width: 300px;
}

.logo img {
  max-width: 100%;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--black);
  background: var(--yellow);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(255, 196, 0, 0.12);
}

.logo span span {
  color: var(--yellow);
}

.logo small {
  font-size: 16px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-weight: 800;
  color: var(--soft-white);
}

.nav a {
  position: relative;
  padding: 7px 0;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 0;
  height: 3px;
  background: var(--yellow);
  border-radius: 999px;
  transition: width 0.2s ease;
}

.nav a:hover::after {
  width: 100%;
}

.header-button,
.button,
.form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 0;
  border-radius: 12px;
  color: var(--black);
  background: var(--yellow);
  font-weight: 900;
  box-shadow: 0 14px 28px rgba(255, 196, 0, 0.22);
  cursor: pointer;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  min-height: 680px;
  gap: 40px;
  padding: 84px 6vw;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 25%, rgba(255, 196, 0, 0.18), transparent 25%),
    linear-gradient(110deg, #050505 0%, #101114 52%, #050505 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.2), transparent 60%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 80px);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--yellow);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.hero h1 {
  max-width: 720px;
  margin-bottom: 24px;
  font-size: clamp(56px, 7.6vw, 100px);
  line-height: 0.94;
  letter-spacing: -4px;
  text-transform: uppercase;
}

.hero h1 span {
  display: block;
  color: var(--yellow);
}

.hero p {
  max-width: 590px;
  color: #e1e3e8;
  font-size: 20px;
  line-height: 1.75;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 34px;
}

.button.outline {
  color: var(--white);
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.7);
  box-shadow: none;
}

.hero-parts {
  position: relative;
  z-index: 2;
  min-height: 470px;
}

.part {
  position: absolute;
  box-shadow: var(--shadow);
}

.wheel {
  top: 25px;
  right: 40px;
  width: 235px;
  height: 235px;
  border-radius: 50%;
  background:
    radial-gradient(circle, #080808 0 15%, #ececec 16% 20%, #0e0e0e 21% 40%, #2b2d31 41% 58%, #050505 59% 100%);
}

.disc {
  top: 145px;
  right: 230px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background:
    radial-gradient(circle, #111827 0 13%, #dadde2 14% 28%, #f5f5f5 29% 55%, #8c929d 56% 100%);
}

.shock {
  top: 55px;
  right: 205px;
  width: 70px;
  height: 300px;
  border-radius: 999px;
  background: repeating-linear-gradient(180deg, var(--yellow) 0 16px, #111 17px 34px);
  transform: rotate(-15deg);
}

.filter {
  left: 70px;
  bottom: 70px;
  width: 118px;
  height: 130px;
  border-radius: 20px;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.16) 1px, transparent 1px) 0 0 / 10px 100%,
    linear-gradient(135deg, var(--yellow), #f4f4f4);
}

.belt {
  left: 130px;
  bottom: 82px;
  width: 265px;
  height: 56px;
  border: 12px solid #171717;
  border-radius: 50%;
  transform: rotate(-8deg);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.wrench {
  right: 45px;
  bottom: 70px;
  width: 270px;
  height: 28px;
  border-radius: 999px;
  background: linear-gradient(90deg, #f0f0f0, #151515);
  transform: rotate(-10deg);
}

.plug {
  bottom: 58px;
  width: 18px;
  height: 130px;
  border-radius: 999px;
  background: linear-gradient(#f4f4f4, #222);
  transform: rotate(70deg);
}

.plug-one {
  left: 265px;
}

.plug-two {
  left: 305px;
  bottom: 42px;
}

.section {
  padding: 86px 6vw;
}

.products {
  color: var(--black);
  background: var(--soft-white);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 46px;
  text-align: center;
}

.section-heading h2,
.contact h2 {
  margin-bottom: 14px;
  font-size: clamp(34px, 4.5vw, 56px);
  line-height: 1.05;
  letter-spacing: -2px;
  text-transform: uppercase;
}

.section-heading p {
  color: #596170;
  font-size: 18px;
  line-height: 1.7;
}

.section-heading h2::after {
  content: "";
  display: block;
  width: 72px;
  height: 4px;
  margin: 18px auto 0;
  background: var(--yellow);
  border-radius: 999px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  min-height: 290px;
  padding: 34px;
  background: #ffffff;
  border: 1px solid #e3e3dc;
  border-radius: 26px;
  box-shadow: 0 18px 45px rgba(5, 5, 5, 0.08);
}

.icon {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  margin-bottom: 28px;
  color: var(--black);
  background: var(--yellow);
  border-radius: 18px;
  font-size: 30px;
  font-weight: 900;
}

.product-card h3 {
  margin-bottom: 12px;
  font-size: 22px;
  color: var(--black);
  text-transform: uppercase;
}

.product-card p {
  color: #596170;
  line-height: 1.7;
}

.why {
  padding: 86px 6vw;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 196, 0, 0.16), transparent 34%),
    var(--black);
}

.section-heading.light h2 {
  color: var(--white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--line);
}

.why-grid article {
  padding: 42px;
  background: var(--charcoal);
  text-align: center;
}

.why-grid span {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin: 0 auto 22px;
  color: var(--black);
  background: var(--yellow);
  border-radius: 50%;
  font-weight: 900;
}

.why-grid h3 {
  margin-bottom: 12px;
  font-size: 22px;
  text-transform: uppercase;
}

.why-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.contact {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  padding: 90px 6vw;
  background: var(--soft-white);
  color: var(--black);
}

.contact-info {
  padding: 48px;
  color: var(--white);
  background:
    linear-gradient(rgba(5,5,5,0.86), rgba(5,5,5,0.86)),
    radial-gradient(circle at 100% 0%, rgba(255, 196, 0, 0.28), transparent 40%);
  border-radius: 30px;
}

.contact-info h2 {
  color: var(--white);
}

.contact-info p {
  color: #d8dbe2;
  font-size: 18px;
  line-height: 1.7;
}

.details {
  display: grid;
  gap: 15px;
  margin-top: 34px;
  font-weight: 800;
}

.details a,
.details span {
  color: var(--white);
}

.form {
  padding: 42px;
  background: #ffffff;
  border: 1px solid #e3e3dc;
  border-radius: 30px;
  box-shadow: 0 18px 45px rgba(5, 5, 5, 0.08);
}

.form h3 {
  margin-bottom: 24px;
  color: var(--black);
  font-size: 25px;
  text-transform: uppercase;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

input,
textarea {
  width: 100%;
  min-height: 56px;
  padding: 0 18px;
  color: var(--black);
  font: inherit;
  background: #ffffff;
  border: 1px solid #d4d7de;
  border-radius: 12px;
  outline: none;
}

textarea {
  min-height: 145px;
  margin-top: 16px;
  padding-top: 18px;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--yellow-dark);
  box-shadow: 0 0 0 4px rgba(255, 196, 0, 0.18);
}

.form button {
  width: 100%;
  margin-top: 16px;
  font-size: 16px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 6vw;
  color: var(--muted);
  background: #050505;
  border-top: 1px solid var(--line);
}

.footer-logo {
  color: var(--white);
  font-size: 22px;
}

.footer p {
  margin: 0;
  font-size: 14px;
}

@media (max-width: 980px) {
  .header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    flex-wrap: wrap;
    gap: 16px 24px;
  }

  .hero,
  .contact {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .header,
  .hero,
  .section,
  .why,
  .contact,
  .footer {
    padding-left: 22px;
    padding-right: 22px;
  }

  .logo {
    font-size: 22px;
  }

  .hero h1 {
    letter-spacing: -2px;
  }

  .actions,
  .footer {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-parts {
    min-height: 330px;
    transform: scale(0.74);
    transform-origin: top center;
    margin-bottom: -90px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .contact-info,
  .form,
  .product-card,
  .why-grid article {
    padding: 26px;
    border-radius: 22px;
  }
}