:root {
  --yellow: #fff200;
  --yellow-dark: #e0d500;
  --black: #000000;
  --surface: #111111;
  --surface-2: #1b1b1b;
  --text: #f5f5f5;
  --muted: #b5b5b5;
  --danger: #ff5a52;
  --ok: #c6f56a;
  --border: #2b2b2b;
  color-scheme: dark;
  font-family: "Barlow", "Segoe UI", sans-serif;
  line-height: 1.6;
  font-weight: 400;
  color: var(--text);
  background: var(--black);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--black);
}

a {
  color: var(--yellow);
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--yellow-dark);
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  background: var(--yellow);
  color: var(--black);
  padding: 0.4rem 0.7rem;
  z-index: 5;
  font-weight: 700;
}

.skip:focus {
  top: 0.75rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding: 0.8rem 1.25rem;
  background: var(--black);
  border-bottom: 3px solid var(--yellow);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text);
  text-decoration: none;
  font-family: "Barlow Condensed", "Barlow", sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  background: var(--yellow);
  color: var(--black);
  border-radius: 2px;
  font-size: 1rem;
}

.logo-accent {
  color: var(--yellow);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-family: "Barlow Condensed", "Barlow", sans-serif;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.98rem;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
  color: var(--yellow);
}

.wrap {
  width: min(68rem, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2.25rem 0 3.5rem;
}

.kicker {
  margin: 0 0 0.6rem;
  color: var(--yellow);
  font-family: "Barlow Condensed", "Barlow", sans-serif;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

h1 {
  margin: 0 0 1rem;
  max-width: 18em;
  font-family: "Barlow Condensed", "Barlow", sans-serif;
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.lead,
.note {
  max-width: 40rem;
  font-size: 1.125rem;
}

.note {
  color: var(--muted);
}

.features {
  display: grid;
  gap: 0.9rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.features li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--yellow);
  padding: 1.1rem 1.15rem 1.2rem;
}

.features h2,
.panel h2,
.prose h2 {
  font-family: "Barlow Condensed", "Barlow", sans-serif;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.features h2 {
  margin: 0 0 0.4rem;
  font-size: 1.35rem;
}

.features p,
.panel p,
.prose p,
.prose li {
  color: var(--text);
}

.features p {
  margin: 0;
  color: var(--muted);
}

.docs {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.docs h2 {
  margin: 0 0 0.4rem;
  font-family: "Barlow Condensed", "Barlow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.docs ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
  font-family: "Barlow Condensed", "Barlow", sans-serif;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.page-title {
  max-width: 16em;
  font-size: clamp(2rem, 4vw, 3rem);
}

.updated {
  margin-top: -0.25rem;
  color: var(--muted);
}

.prose {
  max-width: 68rem;
}

.prose > p,
.prose > ul,
.prose > h2,
.prose > .updated {
  max-width: 42rem;
}

.prose a {
  overflow-wrap: anywhere;
}

.prose h2 {
  margin: 2rem 0 0.55rem;
  font-size: 1.35rem;
  line-height: 1.15;
}

.prose p,
.prose li {
  font-size: 1.05rem;
}

.prose ul {
  margin: 0.4rem 0 1rem;
  padding-left: 1.15rem;
}

.prose li + li {
  margin-top: 0.35rem;
}

.prose li::marker {
  color: var(--yellow);
}

.split {
  display: grid;
  gap: 0.9rem;
  margin: 1rem 0 1.5rem;
}

.split article {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1rem 1.1rem 1.15rem;
}

.split h2 {
  margin-top: 0;
}

.panel {
  max-width: 42rem;
  margin-top: 1.5rem;
  padding: 1.15rem 1.15rem 1.3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--yellow);
}

.panel h2 {
  margin: 0 0 0.8rem;
  font-size: 1.4rem;
}

form {
  display: grid;
  gap: 0.85rem;
}

label {
  display: grid;
  gap: 0.3rem;
  font-family: "Barlow Condensed", "Barlow", sans-serif;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  text-transform: none;
  letter-spacing: 0;
  font-family: "Barlow", "Segoe UI", sans-serif;
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.45;
}

.check input {
  margin-top: 0.25rem;
  accent-color: var(--yellow);
}

input[type="email"],
input[type="password"] {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  border-radius: 2px;
  padding: 0.6rem 0.7rem;
  font: inherit;
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: none;
  outline: none;
}

input:focus {
  border-color: var(--yellow);
}

.btn {
  justify-self: start;
  border: 0;
  border-radius: 2px;
  padding: 0.65rem 1rem;
  font-family: "Barlow Condensed", "Barlow", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  background: var(--yellow);
  color: var(--black);
}

.btn:hover:not(:disabled) {
  background: var(--yellow-dark);
}

.btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.btn:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

.form-status {
  min-height: 1.4em;
  margin: 0;
  font-weight: 600;
}

.form-status.ok {
  color: var(--ok);
}

.form-status.err {
  color: var(--danger);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 1.25rem 2rem;
}

.site-footer-inner {
  width: min(68rem, 100%);
  margin: 0 auto;
  display: grid;
  gap: 1.25rem;
}

.site-footer p,
.site-footer li {
  margin: 0;
  color: var(--muted);
}

.site-footer strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: "Barlow Condensed", "Barlow", sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text);
}

.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: "Barlow Condensed", "Barlow", sans-serif;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.contact-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
}

@media (min-width: 800px) {
  .features,
  .split {
    grid-template-columns: 1fr 1fr;
  }

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

  .site-footer-inner {
    grid-template-columns: 1.4fr 1fr 1fr;
    align-items: start;
  }
}

@media print {
  :root {
    color-scheme: light;
  }

  body,
  .site-header,
  .features li,
  .split article,
  .panel {
    background: #fff;
    color: #000;
  }

  a,
  .logo-accent,
  .kicker,
  .prose li::marker {
    color: #000;
  }

  .site-header {
    position: static;
    border-bottom: 2px solid #000;
  }

  .btn {
    background: #fff;
    color: #000;
    border: 1px solid #000;
  }
}