:root {
  --bg: #06080d;
  --bg-2: #0a0f17;
  --panel: rgba(14, 19, 31, 0.86);
  --panel-2: rgba(10, 14, 23, 0.92);
  --text: #f4f7ff;
  --muted: #b8c3da;
  --line: rgba(255,255,255,0.09);
  --accent: #f3b331;
  --accent-2: #ffd36b;
  --accent-red: #ff5c39;
  --shadow: 0 24px 80px rgba(0,0,0,0.45);
  --glow: 0 0 0 1px rgba(255,255,255,0.06), 0 20px 50px rgba(0,0,0,0.45);
  --radius: 22px;
  --radius-sm: 16px;
  --max: 1220px;
}

* { 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(--text);
  background:
    radial-gradient(circle at top right, rgba(243,179,49,0.16), transparent 30%),
    radial-gradient(circle at 15% 15%, rgba(255,92,57,0.12), transparent 24%),
    linear-gradient(180deg, #070a11 0%, #0a1018 40%, #070a11 100%);
  line-height: 1.6;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(125deg, rgba(255,255,255,0.02) 0 2px, transparent 2px 34px),
    linear-gradient(180deg, rgba(255,255,255,0.03), transparent 20%);
  opacity: 0.22;
}

a { color: #fff; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.container {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.narrow { max-width: 860px; }
.center { text-align: center; }
.section {
  position: relative;
  padding: 6rem 0;
}
.section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,0.015), transparent 28%, rgba(255,255,255,0.015));
}
.section-muted {
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.015));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-accent {
  background:
    radial-gradient(circle at top left, rgba(243,179,49,0.15), transparent 28%),
    linear-gradient(135deg, rgba(255,92,57,0.08), rgba(243,179,49,0.06) 35%, rgba(255,255,255,0.015) 100%);
  border-top: 1px solid rgba(243,179,49,0.28);
  border-bottom: 1px solid rgba(243,179,49,0.18);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(4,7,13,0.72);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 1rem;
}
.brand {
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.nav a:not(.button) {
  color: var(--muted);
  font-weight: 700;
  font-size: 0.95rem;
}
.nav a:not(.button):hover { color: #fff; }

.hero {
  padding-top: 7rem;
  padding-bottom: 4rem;
  overflow: hidden;
}
.small-hero { padding-top: 5.5rem; }
.hero::after {
  content: "RACE / DATA / CONTROL";
  position: absolute;
  top: 2rem;
  right: -2rem;
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 900;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.04);
  transform: rotate(-8deg);
  white-space: nowrap;
  pointer-events: none;
}
.hero-grid, .split-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.95fr;
  gap: 2rem;
  align-items: start;
}
.hero-shell {
  position: relative;
  padding: 1.5rem;
  border-radius: 34px;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)),
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
}
.hero-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 0 35%, rgba(255,255,255,0.03) 35% 44%, transparent 44% 100%),
    radial-gradient(circle at right top, rgba(243,179,49,0.22), transparent 28%),
    radial-gradient(circle at left bottom, rgba(255,92,57,0.16), transparent 26%);
  pointer-events: none;
}
.hero-copy, .hero-card { position: relative; z-index: 1; }
.hero-card { align-self: stretch; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.9rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 900;
  background: rgba(243,179,49,0.09);
  border: 1px solid rgba(243,179,49,0.18);
}
.eyebrow::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  box-shadow: 0 0 18px rgba(243,179,49,0.55);
}

h1, h2, h3 {
  line-height: 1.06;
  margin: 0 0 1rem;
}
h1 {
  font-size: clamp(3rem, 6vw, 5.6rem);
  max-width: 10ch;
  text-transform: uppercase;
  letter-spacing: -0.03em;
}
h2 { font-size: clamp(2rem, 3vw, 3.4rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; color: var(--muted); }
.lead {
  font-size: 1.22rem;
  max-width: 60ch;
}
.sublead { max-width: 64ch; }
.support-line {
  margin-top: 1rem;
  color: #fff;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.hero-badges,
.metric-strip,
.service-tags,
.brand-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hero-badges { margin: 1.4rem 0 0.5rem; }
.hero-badges span,
.service-tags span,
.brand-strip span {
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: #fff;
  font-weight: 700;
  font-size: 0.92rem;
}
.metric-strip {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.metric {
  padding: 1rem 1rem 1.05rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}
.metric strong {
  display: block;
  font-size: 1.45rem;
  color: #fff;
  margin-bottom: 0.25rem;
}
.metric span {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 50px;
  padding: 0.9rem 1.35rem;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  color: #111;
  font-weight: 900;
  letter-spacing: 0.01em;
  box-shadow: 0 18px 32px rgba(243,179,49,0.16);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.button:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 24px 44px rgba(243,179,49,0.22);
}
.button-secondary {
  background: linear-gradient(180deg, #ffffff, #dfe6f4);
  color: #121621;
}
.button-ghost {
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: none;
}
.button-sm {
  min-height: 40px;
  padding: 0.7rem 1rem;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}
.center-cta { justify-content: center; }

.card {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.025)),
    linear-gradient(145deg, rgba(243,179,49,0.05), transparent 50%);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--glow);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.03), transparent 45%, rgba(255,92,57,0.06));
  pointer-events: none;
}
.card > * { position: relative; z-index: 1; }
.card-grid {
  display: grid;
  gap: 1.3rem;
}
.two-up { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.four-up { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.compact-grid { align-self: start; }

.section-heading {
  margin-bottom: 1.75rem;
  max-width: 840px;
}

.check-list,
.issue-list,
.faq-list,
.spec-list,
.ticker-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.check-list li,
.issue-list li,
.spec-list li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.85rem;
  color: var(--muted);
}
.check-list li::before,
.issue-list li::before,
.spec-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-2);
  font-weight: 900;
}

.issues-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 1.5rem;
  align-items: start;
}
.issue-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.issue-chip {
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.08);
  font-weight: 700;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}
.step {
  min-height: 100%;
}
.step span {
  display: inline-flex;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(243,179,49,0.26), rgba(255,92,57,0.24));
  color: #fff;
  font-weight: 900;
  margin-bottom: 1rem;
  border: 1px solid rgba(255,255,255,0.08);
}
.testimonial h3 { color: #fff; }
.testimonial p { color: #e7ecfb; }
.note {
  margin-top: 1rem;
  font-size: 0.95rem;
}
.text-link {
  color: var(--accent-2);
  font-weight: 800;
}
.contact-card p,
.contact-card a { color: #fff; }

.visual-stat-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.25rem;
  align-items: stretch;
}
.spec-panel {
  display: grid;
  gap: 1rem;
}
.spec-block {
  padding: 1.15rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.08);
}
.spec-block strong {
  display: block;
  margin-bottom: 0.4rem;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.86rem;
}
.diag-panel {
  position: relative;
  min-height: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255,92,57,0.12), rgba(243,179,49,0.12) 45%, rgba(255,255,255,0.02) 100%),
    repeating-linear-gradient(135deg, rgba(255,255,255,0.02) 0 12px, transparent 12px 24px);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--glow);
}
.diag-panel::before {
  content: "TRACTION\A CONTROL\A BALANCE";
  white-space: pre;
  position: absolute;
  inset: 1.4rem;
  font-weight: 900;
  font-size: clamp(1.8rem, 4vw, 3.4rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: rgba(255,255,255,0.14);
}
.diag-panel::after {
  content: "";
  position: absolute;
  right: -3rem;
  bottom: -3rem;
  width: 13rem;
  height: 13rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(243,179,49,0.32), transparent 65%);
}
.diag-content {
  position: absolute;
  left: 1.4rem;
  right: 1.4rem;
  bottom: 1.4rem;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(6,8,13,0.76);
  border: 1px solid rgba(255,255,255,0.08);
}
.diag-content strong {
  display: block;
  margin-bottom: 0.45rem;
}

.ticker {
  position: relative;
  overflow: hidden;
  padding: 1rem 0 0.5rem;
}
.ticker::before,
.ticker::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 5rem;
  z-index: 2;
  pointer-events: none;
}
.ticker::before {
  left: 0;
  background: linear-gradient(90deg, #0b1018, transparent);
}
.ticker::after {
  right: 0;
  background: linear-gradient(270deg, #0b1018, transparent);
}
.ticker-list {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.ticker-list li {
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.08);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #fff;
}

.faq-item {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 1rem 1.1rem;
  background: rgba(255,255,255,0.035);
  margin-bottom: 0.9rem;
  box-shadow: var(--glow);
}
.faq-item summary {
  cursor: pointer;
  font-weight: 800;
  color: #fff;
}
.faq-item p { margin-top: 0.8rem; }

.final-cta {
  padding-top: 6rem;
  padding-bottom: 6rem;
}
.final-cta .container {
  padding: 2.5rem 1.25rem;
  border-radius: 30px;
  background:
    linear-gradient(135deg, rgba(243,179,49,0.08), rgba(255,92,57,0.08) 50%, rgba(255,255,255,0.03)),
    rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
}
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 3rem;
  background: rgba(0,0,0,0.22);
}
.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 1100px) {
  .four-up,
  .steps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .visual-stat-grid,
  .issues-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .hero-grid,
  .split-grid,
  .two-up,
  .three-up,
  .four-up,
  .steps-grid,
  .metric-strip,
  .issue-panel { grid-template-columns: 1fr; }

  .nav { justify-content: flex-end; }
  .hero::after { right: -8rem; top: 3rem; }
}

@media (max-width: 720px) {
  .section { padding: 4.25rem 0; }
  .hero { padding-top: 4.5rem; }
  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.9rem 0;
  }
  .nav {
    width: 100%;
    justify-content: flex-start;
  }
  h1 { max-width: none; }
  .hero-shell { padding: 1rem; border-radius: 22px; }
  .cta-row,
  .hero-badges,
  .service-tags,
  .brand-strip { flex-direction: column; align-items: stretch; }
}