:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --surface: #ffffff;
  --ink: #18201d;
  --muted: #5c6661;
  --line: #d9ded8;
  --green: #2f6f4e;
  --blue: #285a7a;
  --amber: #a56820;
  --soft-green: #e4efe7;
  --soft-blue: #e8f0f5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(246, 247, 244, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.brand img,
.release-panel img {
  border-radius: 8px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
  font-size: 0.95rem;
}

nav a {
  color: var(--ink);
  text-decoration: none;
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.intro {
  min-height: calc(100vh - 70px);
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  align-items: center;
  gap: clamp(24px, 6vw, 72px);
  padding: clamp(42px, 8vw, 92px) 0;
}

.intro-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 20px;
  font-size: clamp(2.45rem, 7vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(1.55rem, 3vw, 2.5rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
  letter-spacing: 0;
}

.intro p {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
}

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

.button.secondary {
  color: var(--ink);
  background: var(--surface);
}

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

.release-panel dl {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
}

.release-panel div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.release-panel div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

dt {
  color: var(--muted);
  font-size: 0.86rem;
}

dd {
  margin: 0;
  font-weight: 700;
}

.section {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.profile-card {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.profile-card:nth-child(2) {
  background: var(--soft-blue);
}

.profile-card:nth-child(3) {
  background: var(--soft-green);
}

.profile-card p {
  color: var(--muted);
}

code {
  display: inline-block;
  max-width: 100%;
  overflow-wrap: anywhere;
  padding: 3px 6px;
  color: #111816;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 0.88rem;
}

.note {
  margin-top: 18px;
  color: var(--amber);
  font-weight: 700;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
}

.link-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.link-list a,
.dev-links a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}

.command-band {
  display: grid;
  gap: 10px;
  padding: 18px;
  background: #eef2ee;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.command-band code {
  background: var(--surface);
}

.dev-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 24px;
  margin-top: 20px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 36px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 820px) {
  .site-header,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .intro,
  .profile-grid,
  .split,
  .dev-links {
    grid-template-columns: 1fr;
  }

  .intro {
    min-height: auto;
  }

  .release-panel {
    order: -1;
  }

  .section-heading {
    display: block;
  }
}