:root {
  color-scheme: light;
  --ink: #17261f;
  --muted: #5a6a62;
  --paper: #f4f0e7;
  --surface: #fffdf7;
  --line: #d9d2c4;
  --accent: #d4552d;
  --green: #2f7254;
  --lime: #dbe86b;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 12%, rgb(219 232 107 / 34%), transparent 22rem),
    var(--paper);
}

a {
  color: inherit;
}

main,
footer {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.hero {
  min-height: 680px;
  display: grid;
  grid-template-rows: auto 1fr;
  border-inline: 1px solid var(--line);
}

nav {
  min-height: 82px;
  padding: 18px clamp(20px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05rem;
  font-weight: 760;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--surface);
  background: var(--ink);
  font-family: Georgia, serif;
  font-size: 1.35rem;
}

.environment {
  padding: 8px 12px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 720;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-content {
  padding: clamp(72px, 12vw, 144px) clamp(20px, 8vw, 96px) 72px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: balance;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.7rem, 9vw, 7.8rem);
  font-weight: 500;
  line-height: 0.91;
  letter-spacing: -0.055em;
}

.lead {
  max-width: 710px;
  margin: 36px 0 30px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.55;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 4px;
  color: var(--surface);
  background: var(--ink);
  font-size: 0.9rem;
  line-height: 1.4;
}

.status-dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgb(219 232 107 / 14%);
}

.modes {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  border-inline: 1px solid var(--line);
  border-top: 1px solid var(--line);
}

.section-heading,
.modes article {
  min-height: 310px;
  padding: clamp(32px, 5vw, 58px);
}

.section-heading,
.modes article:first-of-type {
  border-right: 1px solid var(--line);
}

h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.15rem, 4vw, 3.6rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.modes article {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--surface);
}

.number {
  position: absolute;
  top: 38px;
  right: 38px;
  color: var(--accent);
  font-family: Georgia, serif;
  font-size: 1.15rem;
}

h3 {
  margin: 0 0 14px;
  font-size: 1.38rem;
}

.modes article p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.roadmap {
  padding: clamp(64px, 10vw, 116px) clamp(20px, 8vw, 96px);
  display: grid;
  grid-template-columns: minmax(240px, 0.85fr) minmax(360px, 1.15fr);
  gap: clamp(52px, 9vw, 120px);
  border: 1px solid var(--line);
  background: var(--ink);
  color: var(--surface);
}

.roadmap .eyebrow {
  color: var(--lime);
}

.roadmap ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.roadmap li {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid rgb(255 253 247 / 20%);
  color: rgb(255 253 247 / 62%);
}

.roadmap li:first-child {
  border-top: 1px solid rgb(255 253 247 / 20%);
}

.roadmap li.done,
.roadmap li.active {
  color: var(--surface);
}

.roadmap li.active strong {
  color: var(--lime);
}

.roadmap strong {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

footer {
  padding: 28px 0 48px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 0.82rem;
}

footer p {
  margin: 0;
}

@media (max-width: 820px) {
  main,
  footer {
    width: min(100% - 24px, 680px);
  }

  .hero {
    min-height: 620px;
  }

  nav {
    min-height: 72px;
  }

  .environment {
    max-width: 140px;
    text-align: center;
  }

  h1 {
    font-size: clamp(3.4rem, 15vw, 5.5rem);
  }

  .modes,
  .roadmap {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .modes article {
    min-height: 250px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .roadmap {
    gap: 44px;
  }

  footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .status-dot {
    animation: pulse 2.4s ease-in-out infinite;
  }

  @keyframes pulse {
    50% {
      opacity: 0.48;
    }
  }
}