:root {
  --bg: #030304;
  --panel: rgba(16, 16, 18, 0.82);
  --panel-strong: rgba(22, 22, 24, 0.96);
  --text: #f7f0df;
  --muted: #b9ad99;
  --gold: #f4c85b;
  --gold-soft: rgba(244, 200, 91, 0.18);
  --red: #ef101c;
  --red-soft: rgba(239, 16, 28, 0.18);
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 8%, rgba(244, 200, 91, 0.18), transparent 34%),
    radial-gradient(circle at 88% 12%, rgba(239, 16, 28, 0.15), transparent 30%),
    linear-gradient(180deg, #000 0%, var(--bg) 55%, #070708 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(244, 200, 91, 0.06), transparent 35%, rgba(239, 16, 28, 0.06)),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.015) 0, rgba(255, 255, 255, 0.015) 1px, transparent 1px, transparent 6px);
  opacity: 0.75;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

.site-shell {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  letter-spacing: 0.16em;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 32px;
  color: #fff3ce;
  background: linear-gradient(135deg, #8e6100, var(--gold));
  border: 1px solid rgba(255, 220, 120, 0.7);
  border-radius: 8px;
  box-shadow: 0 0 30px rgba(244, 200, 91, 0.2);
  letter-spacing: 0.05em;
}

.brand-text {
  color: var(--text);
  font-size: 0.92rem;
}

.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--gold);
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  align-items: end;
  padding: 40px 0 70px;
}

.hero-visual {
  position: absolute;
  inset: 24px 50% auto 50%;
  transform: translateX(-50%);
  width: min(1180px, 100%);
  height: 395px;
  background-image: linear-gradient(180deg, rgba(0, 0, 0, 0.0), rgba(0, 0, 0, 0.72)), url("assets/club369-racing.png");
  background-size: cover;
  background-position: center;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(244, 200, 91, 0.12), transparent 45%, rgba(239, 16, 28, 0.12));
}

.hero-content {
  position: relative;
  width: min(850px, 100%);
  margin-top: 360px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(12, 12, 14, 0.94), rgba(20, 17, 12, 0.78));
  box-shadow: var(--shadow);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(2.8rem, 8vw, 6.4rem);
  line-height: 0.92;
  letter-spacing: -0.08em;
  text-transform: uppercase;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.18rem;
}

.hero-copy,
.section-text,
.cta-section p,
.product-card p,
.timeline p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-copy {
  max-width: 760px;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
}

.button-primary {
  color: #fff8e4;
  background: linear-gradient(135deg, #a9060e, var(--red));
  border: 1px solid rgba(255, 91, 98, 0.7);
  box-shadow: 0 12px 34px rgba(239, 16, 28, 0.22);
}

.button-secondary {
  color: var(--gold);
  background: rgba(244, 200, 91, 0.06);
  border: 1px solid rgba(244, 200, 91, 0.32);
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.status-strip span {
  padding: 9px 12px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section {
  padding: 84px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: start;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 32px;
}

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

.product-card {
  min-height: 270px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent),
    var(--panel);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
}

.product-card:nth-child(even) {
  background:
    linear-gradient(180deg, rgba(239, 16, 28, 0.12), transparent),
    var(--panel);
}

.card-number {
  display: inline-block;
  margin-bottom: 42px;
  color: var(--gold);
  font-weight: 900;
  letter-spacing: 0.18em;
}

.roadmap-section {
  position: relative;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline li {
  padding: 24px;
  border: 1px solid rgba(244, 200, 91, 0.16);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(244, 200, 91, 0.09), rgba(255, 255, 255, 0.03));
}

.timeline span {
  display: block;
  margin-bottom: 16px;
  color: var(--red);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.timeline strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1rem;
}

.cta-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 40px;
  margin-bottom: 70px;
  border: 1px solid rgba(239, 16, 28, 0.25);
  border-radius: calc(var(--radius) + 8px);
  background:
    linear-gradient(120deg, rgba(239, 16, 28, 0.15), rgba(244, 200, 91, 0.09)),
    var(--panel-strong);
}

.cta-section h2 {
  margin-bottom: 12px;
}

.cta-section p {
  max-width: 720px;
  margin-bottom: 0;
}

.site-footer {
  padding: 36px 0 46px;
  text-align: center;
  color: var(--muted);
}

.footer-logo {
  width: min(520px, 100%);
  height: 160px;
  margin: 0 auto 18px;
  background-image: url("assets/club369-dark.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.9;
}

.site-footer p {
  margin: 8px 0;
  font-size: 0.88rem;
}

.footer-note {
  color: var(--gold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    padding-bottom: 48px;
  }

  .hero-visual {
    position: relative;
    inset: auto;
    transform: none;
    width: 100%;
    height: 310px;
  }

  .hero-content {
    margin-top: -36px;
  }

  .split-section,
  .product-grid,
  .timeline {
    grid-template-columns: 1fr 1fr;
  }

  .cta-section {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .site-shell {
    width: min(100% - 22px, 1180px);
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .hero-visual {
    height: 220px;
    border-radius: 18px;
  }

  .hero-content {
    padding: 24px;
    border-radius: 18px;
  }

  h1 {
    letter-spacing: -0.06em;
  }

  .split-section,
  .product-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 58px 0;
  }

  .product-card {
    min-height: auto;
  }

  .card-number {
    margin-bottom: 24px;
  }

  .cta-section {
    padding: 26px;
  }
}

.section-lead {
  max-width: 860px;
  color: var(--muted);
  line-height: 1.75;
}

.tuning-section {
  position: relative;
}

.tuning-section::before {
  content: "";
  position: absolute;
  inset: 38px -5% auto auto;
  width: 260px;
  height: 260px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(239, 16, 28, 0.18), transparent 68%);
  filter: blur(10px);
}

.tuning-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 22px;
}

.tuning-card,
.keyword-panel,
.compliance-note {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(244, 200, 91, 0.08), rgba(239, 16, 28, 0.08)),
    var(--panel);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.26);
}

.tuning-card {
  padding: 24px;
  min-height: 260px;
}

.card-tag {
  display: inline-flex;
  margin-bottom: 34px;
  padding: 8px 10px;
  color: var(--gold);
  border: 1px solid rgba(244, 200, 91, 0.26);
  border-radius: 999px;
  background: rgba(244, 200, 91, 0.08);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tuning-card p {
  color: var(--muted);
  line-height: 1.7;
}

.keyword-panel {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 28px;
  padding: 28px;
  margin-top: 18px;
}

.keyword-panel h3 {
  font-size: clamp(1.6rem, 3vw, 2.7rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.keyword-cloud span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  color: #fff6dd;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.055);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.keyword-cloud span:nth-child(3n) {
  color: var(--gold);
  border-color: rgba(244, 200, 91, 0.25);
  background: rgba(244, 200, 91, 0.08);
}

.keyword-cloud span:nth-child(4n) {
  color: #ffd7d9;
  border-color: rgba(239, 16, 28, 0.28);
  background: rgba(239, 16, 28, 0.08);
}

.compliance-note {
  margin-top: 18px;
  padding: 18px 20px;
  color: var(--muted);
  line-height: 1.7;
}

.compliance-note strong {
  color: var(--gold);
}

@media (max-width: 980px) {
  .tuning-grid,
  .keyword-panel {
    grid-template-columns: 1fr;
  }
}