:root {
  color-scheme: dark;
  --ink: #f5f2e8;
  --muted: #c8c1b0;
  --dim: #8f8878;
  --black: #11100e;
  --black-2: #191714;
  --line: #37322a;
  --panel: #201d19;
  --panel-2: #28231d;
  --green: #9eff6d;
  --amber: #ffbe55;
  --red: #ff6b5f;
  --teal: #53d7c6;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--black);
  font-size: 16px;
  line-height: 1.55;
}

body::selection {
  color: #14110d;
  background: var(--green);
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  color: #12100d;
  background: var(--green);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(17, 16, 14, 0.94);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.notice {
  padding: 10px 22px;
  color: #17120b;
  background: var(--amber);
  font-size: 0.9rem;
  text-align: center;
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.domain-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.domain-mark small {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.mark-symbol {
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-items: center;
  color: #10100d;
  background: var(--green);
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 900;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-links a {
  text-decoration: none;
}

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

.hero {
  position: relative;
  min-height: 82vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("assets/hero-bmx-unsplash-keagan-henman.jpg");
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(17, 16, 14, 0.92), rgba(17, 16, 14, 0.62) 42%, rgba(17, 16, 14, 0.18)),
    linear-gradient(0deg, rgba(17, 16, 14, 0.62), rgba(17, 16, 14, 0));
}

.hero-inner {
  position: relative;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding: 80px 22px 96px;
}

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

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: 5rem;
  line-height: 0.95;
}

.hero-copy {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--ink);
  font-size: 1.25rem;
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #10100d;
  background: var(--green);
  border-color: var(--green);
}

.button.secondary {
  color: var(--ink);
  background: rgba(17, 16, 14, 0.46);
}

.status-band,
.split-band,
.principles-band,
.roadmap-band,
.visitor-band,
.contact-band {
  padding: 84px 22px;
  border-bottom: 1px solid var(--line);
}

.status-band,
.principles-band,
.visitor-band {
  background: var(--black);
}

.split-band,
.roadmap-band,
.contact-band {
  background: var(--black-2);
}

.content-grid,
.split-grid,
.contact-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 52px;
  align-items: start;
}

h2 {
  margin: 0;
  font-size: 2.6rem;
  line-height: 1.05;
}

h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

p {
  color: var(--muted);
}

.content-grid > div > p:last-child,
.contact-inner > div > p:last-child {
  margin-bottom: 0;
}

.status-list {
  display: grid;
  gap: 12px;
}

.status-item {
  min-height: 70px;
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.status-item span {
  width: 12px;
  height: 12px;
  display: inline-block;
  border-radius: 50%;
}

.status-item.ok span {
  background: var(--green);
}

.status-item.warn span {
  background: var(--amber);
}

.status-item p {
  margin: 0;
  color: var(--ink);
}

.paired-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.paired-list article,
.roadmap article,
.visitor-grid article {
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.paired-list ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.paired-list li + li {
  margin-top: 10px;
}

.paired-list article:last-child {
  border-color: rgba(255, 107, 95, 0.45);
}

.section-head {
  max-width: 1180px;
  margin: 0 auto 34px;
}

.checklist {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.checklist label {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.checklist input {
  width: 20px;
  height: 20px;
  accent-color: var(--green);
}

.roadmap,
.visitor-grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.roadmap span {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--green);
  font-weight: 900;
}

.roadmap p,
.visitor-grid p {
  margin-bottom: 0;
}

.visitor-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-box {
  padding: 24px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.contact-box code {
  display: block;
  margin-bottom: 14px;
  color: var(--ink);
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.copy-button {
  min-height: 42px;
  padding: 0 16px;
  color: #10100d;
  background: var(--teal);
  border: 0;
  border-radius: 6px;
  font-weight: 900;
  cursor: pointer;
}

.copy-status {
  min-height: 22px;
  margin: 12px 0 0;
  color: var(--green);
  font-size: 0.9rem;
}

.site-footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 22px 44px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  color: var(--dim);
  font-size: 0.9rem;
}

.site-footer p {
  max-width: 520px;
  margin: 0;
}

@media (max-width: 920px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: 76vh;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(17, 16, 14, 0.94), rgba(17, 16, 14, 0.68)),
      linear-gradient(0deg, rgba(17, 16, 14, 0.55), rgba(17, 16, 14, 0));
  }

  .hero h1 {
    font-size: 3.6rem;
  }

  .content-grid,
  .split-grid,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .paired-list,
  .checklist,
  .roadmap,
  .visitor-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .notice {
    text-align: left;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .hero-copy {
    font-size: 1.08rem;
  }

  h2 {
    font-size: 2rem;
  }

  .status-band,
  .split-band,
  .principles-band,
  .roadmap-band,
  .visitor-band,
  .contact-band {
    padding: 62px 18px;
  }

  .hero-inner,
  .nav,
  .site-footer {
    padding-left: 18px;
    padding-right: 18px;
  }
}