:root {
  --revon-black: #050505;
  --carbon-black: #101112;
  --graphite-grey: #232528;
  --steel-grey: #8d9298;
  --titanium-silver: #d6d8da;
  --performance-red: #e30613;
  --pure-white: #ffffff;
  --line: rgba(255, 255, 255, .12);
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

section,
article {
  scroll-margin-top: 92px;
}

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

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0 54%, rgba(227, 6, 19, .09) 54.1% 54.3%, transparent 54.5%),
    linear-gradient(180deg, rgba(255, 255, 255, .03), transparent 34%),
    var(--revon-black);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(5, 5, 5, .8);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  backdrop-filter: blur(16px);
}

.brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  min-width: 142px;
  font-family: "Barlow Condensed", Inter, sans-serif;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: .09em;
  line-height: 1;
}

.brand-rev { color: var(--pure-white); }
.brand-on { color: var(--performance-red); }

.gauge {
  position: absolute;
  right: 0;
  top: -9px;
  width: 34px;
  height: 20px;
  border-top: 2px solid var(--titanium-silver);
  border-radius: 40px 40px 0 0;
}

.gauge i {
  position: absolute;
  bottom: 1px;
  left: 15px;
  width: 1px;
  height: 8px;
  background: var(--titanium-silver);
  transform-origin: bottom center;
}

.gauge i:nth-child(1) { transform: rotate(-46deg); }
.gauge i:nth-child(2) { transform: rotate(-18deg); }
.gauge i:nth-child(3) { transform: rotate(18deg); background: var(--performance-red); }
.gauge i:nth-child(4) { transform: rotate(46deg); background: var(--performance-red); }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
  color: rgba(255, 255, 255, .74);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.nav a {
  padding-block: 8px;
  transition: color .2s ease;
}

.nav a:hover { color: var(--performance-red); }

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  isolation: isolate;
  padding: 128px clamp(18px, 5vw, 72px) 42px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(0deg, rgba(5, 5, 5, .54) 0%, rgba(5, 5, 5, .34) 42%, rgba(5, 5, 5, .28) 100%),
    url("../images/hero-workshop.png") center/cover;
  filter: saturate(.76) contrast(1.08);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(5, 5, 5, .08), #050505 96%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .034) 0 1px, transparent 1px 118px);
}

.hero-content,
.section-wide,
.section-narrow {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 390px);
  gap: clamp(28px, 6vw, 72px);
  align-items: end;
}

.hero-copy {
  max-width: 760px;
  padding-bottom: 28px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--performance-red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .24em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-family: "Barlow Condensed", Inter, sans-serif;
  font-size: clamp(84px, 17vw, 210px);
  line-height: .76;
  letter-spacing: .04em;
  text-transform: uppercase;
  text-shadow: 0 18px 44px rgba(0, 0, 0, .56);
}

.subline {
  max-width: 660px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, .82);
  font-size: clamp(19px, 2.1vw, 27px);
  line-height: 1.35;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}

.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--performance-red); border-color: var(--performance-red); color: var(--pure-white); }
.btn-secondary { background: rgba(5, 5, 5, .42); color: var(--pure-white); }
.btn-secondary:hover { border-color: var(--performance-red); }

.hero-panel {
  margin: 0;
  padding: 26px;
  background: rgba(10, 11, 12, .72);
  border: 1px solid var(--line);
  border-radius: 8px;
  backdrop-filter: blur(16px);
}

.hero-panel p {
  margin: 0 0 14px;
  color: var(--steel-grey);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.hero-panel strong {
  display: block;
  font-family: "Barlow Condensed", Inter, sans-serif;
  font-size: 34px;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.hero-panel dl {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 26px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.hero-panel div {
  min-width: 0;
  padding: 14px 10px;
  background: rgba(5, 5, 5, .84);
}

.hero-panel dt {
  color: var(--performance-red);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .12em;
}

.hero-panel dd {
  margin: 7px 0 0;
  color: rgba(255, 255, 255, .76);
  font-size: 12px;
  font-weight: 800;
}

.section-wide,
.section-narrow {
  position: relative;
  z-index: 1;
  padding-inline: clamp(18px, 4vw, 36px);
}

.section-narrow { max-width: 920px; }

.section-heading h2,
.process-content h2,
.statement h2,
.contact h2 {
  margin: 0;
  font-family: "Barlow Condensed", Inter, sans-serif;
  font-weight: 600;
  line-height: .98;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.statement h2,
.contact h2 {
  font-size: clamp(42px, 6vw, 82px);
}

.statement > p,
.contact p {
  margin: 0;
  color: rgba(255, 255, 255, .72);
  font-size: 17px;
  line-height: 1.75;
}

.services {
  padding-block: 82px 88px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 36px;
  margin-bottom: 26px;
}

.section-heading h2 {
  max-width: 650px;
  font-size: clamp(38px, 5vw, 70px);
}

.partner-slider {
  position: relative;
  overflow: hidden;
  margin: 28px 0 0;
  padding-block: 11px;
  border-block: 1px solid rgba(255, 255, 255, .12);
}

.partner-slider::before,
.partner-slider::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 1;
  width: clamp(42px, 9vw, 120px);
  pointer-events: none;
}

.partner-slider::before {
  left: 0;
  background: linear-gradient(90deg, var(--revon-black), transparent);
}

.partner-slider::after {
  right: 0;
  background: linear-gradient(270deg, var(--revon-black), transparent);
}

.partner-track {
  display: flex;
  width: max-content;
  gap: 12px;
  animation: partner-slide 34s linear infinite;
}

.partner-slider:hover .partner-track {
  animation-play-state: paused;
}

.partner-track span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: clamp(138px, 15vw, 210px);
  min-height: 54px;
  padding: 0 22px;
  background: rgba(255, 255, 255, .055);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 4px;
  color: rgba(255, 255, 255, .76);
  font-family: "Barlow Condensed", Inter, sans-serif;
  font-size: clamp(20px, 2.3vw, 30px);
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

@keyframes partner-slide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .partner-track {
    animation: none;
  }
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  grid-auto-rows: minmax(260px, auto);
  gap: 12px;
}

.service-card {
  position: relative;
  grid-column: span 2;
  overflow: hidden;
  min-width: 0;
  padding: 28px;
  background: linear-gradient(180deg, rgba(35, 37, 40, .86), rgba(14, 15, 16, .92));
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 8px;
}

.service-card::before {
  content: "";
  position: absolute;
  left: 28px;
  right: 28px;
  top: 0;
  height: 3px;
  background: var(--performance-red);
  transform: scaleX(.32);
  transform-origin: left;
  transition: transform .2s ease;
}

.service-card:hover::before { transform: scaleX(1); }

.service-card-featured {
  grid-column: span 3;
  background:
    linear-gradient(90deg, rgba(10, 10, 10, .92), rgba(10, 10, 10, .64)),
    url("../images/performance-parts-audi.png") center/cover;
}

#raeder {
  grid-column: span 3;
}

.card-number {
  color: rgba(255, 255, 255, .48);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
}

.service-card h3 {
  margin: 72px 0 16px;
  font-family: "Barlow Condensed", Inter, sans-serif;
  font-size: clamp(31px, 3vw, 46px);
  line-height: 1;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.service-card p {
  max-width: 460px;
  margin: 0;
  color: rgba(255, 255, 255, .72);
  line-height: 1.65;
}

.service-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.service-card li {
  padding: 8px 10px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 4px;
  color: rgba(255, 255, 255, .78);
  font-size: 12px;
  font-weight: 800;
}

.process {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: 0;
  align-items: stretch;
  padding-bottom: 88px;
}

.process-media {
  min-height: 520px;
  border-radius: 8px 0 0 8px;
  background:
    linear-gradient(180deg, rgba(5, 5, 5, .1), rgba(5, 5, 5, .66)),
    url("../images/process-workshop-nissan.png") center/cover;
}

.process-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 5vw, 58px);
  background: #111315;
  border: 1px solid rgba(255, 255, 255, .1);
  border-left: 0;
  border-radius: 0 8px 8px 0;
}

.process-content h2 {
  max-width: 600px;
  font-size: clamp(40px, 5vw, 76px);
}

.steps {
  display: grid;
  gap: 1px;
  margin-top: 34px;
  background: rgba(255, 255, 255, .11);
  border: 1px solid rgba(255, 255, 255, .11);
}

.steps div {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 20px;
  background: #0b0c0d;
}

.steps span {
  color: var(--performance-red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
}

.steps h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.steps p {
  grid-column: 2;
  margin: 0;
  color: rgba(255, 255, 255, .66);
  line-height: 1.55;
}

.statement {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: end;
  padding-block: 76px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.contact {
  padding-block: 96px 104px;
  text-align: center;
}

.contact .eyebrow { margin-bottom: 16px; }

.contact p {
  max-width: 620px;
  margin: 22px auto 0;
}

.contact-actions {
  justify-content: center;
}

.footer {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 72px);
  border-top: 1px solid rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .5);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}

@media (max-width: 1080px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding-bottom: 0;
  }

  .hero-panel {
    max-width: 620px;
  }

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

  .service-card,
  .service-card-featured {
    grid-column: auto;
  }

  #raeder {
    grid-column: auto;
  }
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
  }

  .nav {
    max-width: 360px;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 4px 14px;
    font-size: 11px;
  }

  .statement,
  .process {
    grid-template-columns: 1fr;
  }

  .process-media {
    min-height: 360px;
    border-radius: 8px 8px 0 0;
  }

  .process-content {
    border-left: 1px solid rgba(255, 255, 255, .1);
    border-radius: 0 0 8px 8px;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: fixed;
    align-items: center;
    min-height: 72px;
    padding: 14px 18px;
  }

  .brand {
    font-size: 30px;
  }

  .menu-toggle {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 9px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 4px;
    color: var(--pure-white);
    cursor: pointer;
  }

  .menu-toggle > span:not(.sr-only) {
    display: block;
    width: 100%;
    height: 2px;
    background: currentColor;
    transition: transform .2s ease, opacity .2s ease;
  }

  .menu-toggle[aria-expanded="true"] > span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] > span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] > span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    max-width: none;
    padding: 12px 18px 18px;
    margin: 0;
    background: rgba(5, 5, 5, .97);
    border-bottom: 1px solid var(--line);
    text-align: center;
  }

  .nav.nav-open {
    display: grid;
  }

  .nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 6px;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 4px;
  }

  .hero {
    min-height: auto;
    padding-top: 118px;
    padding-bottom: 34px;
  }

  .hero-bg {
    background-position: 62% center;
  }

  .hero h1 {
    font-size: clamp(78px, 24vw, 116px);
  }

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

  .btn {
    width: 100%;
    min-height: 52px;
    padding-inline: 14px;
  }

  .hero-panel {
    padding: 20px;
  }

  .hero-panel strong {
    font-size: 28px;
  }

  .hero-panel dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services {
    padding-block: 62px 64px;
  }

  .section-heading {
    display: block;
    margin-bottom: 20px;
  }

  .partner-slider {
    margin-top: 22px;
  }

  .partner-track {
    animation-duration: 28s;
  }

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

  .service-card,
  .service-card-featured {
    grid-column: auto;
    min-height: 250px;
    padding: 24px;
  }

  .service-card h3 {
    margin-top: 54px;
  }

  .process {
    padding-bottom: 64px;
  }

  .process-media {
    min-height: 300px;
  }

  .process-content {
    padding: 28px 22px;
  }

  .steps div {
    grid-template-columns: 38px 1fr;
    padding: 18px;
  }

  .statement {
    padding-block: 58px;
  }

  .contact {
    padding-block: 72px 80px;
  }

  .contact .btn {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .footer {
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .site-header {
    padding-inline: 14px;
  }

  .hero {
    padding-top: 108px;
    padding-inline: 14px;
  }

  .eyebrow {
    letter-spacing: .18em;
  }

  .subline {
    font-size: 18px;
  }

  .section-wide,
  .section-narrow {
    padding-inline: 14px;
  }

  .service-card,
  .service-card-featured {
    padding: 22px;
  }

  .service-card::before {
    right: 22px;
    left: 22px;
  }

  .statement h2,
  .contact h2 {
    font-size: clamp(38px, 13vw, 54px);
  }

  .footer {
    padding-inline: 14px;
  }
}

@media (max-width: 350px) {
  .nav {
    font-size: 10px;
  }

  .hero h1 {
    font-size: 72px;
  }

  .hero-panel {
    padding: 18px;
  }
}