:root {
  --night: #10110f;
  --ink: #171612;
  --line: #3a362f;
  --paper: #f3ecdf;
  --mist: #c8bba8;
  --brass: #e4c27a;
  --brass-ink: #1c160c;
  --tally: #c4382f;
  --serif: "Newsreader", "Iowan Old Style", Palatino, serif;
  --sans: "Source Sans 3", "Avenir Next", "Segoe UI", sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(ellipse 70% 40% at 0% -10%, rgba(228, 194, 122, 0.08), transparent 55%),
    var(--night);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

::selection { background: var(--brass); color: var(--brass-ink); }

a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--brass);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: 0;
  transform: translateY(-120%);
  background: var(--paper);
  color: var(--night);
  padding: 0.6rem 0.9rem;
  z-index: 5;
}

.skip:focus { transform: none; }

.shell {
  width: min(1040px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--paper);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.tally {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--tally);
  box-shadow: 0 0 0 4px rgba(196, 56, 47, 0.16);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.15rem;
}

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

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

.hero { padding: 4.5rem 0 3rem; max-width: 40rem; }

.kicker {
  margin: 0 0 1.1rem;
  color: var(--brass);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 560;
  font-size: clamp(2.55rem, 9vw, 5.5rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
}

.lede {
  max-width: 38rem;
  margin: 1.5rem 0 0;
  color: var(--mist);
  font-size: 1.25rem;
  line-height: 1.45;
}

.signup { margin-top: 2rem; max-width: 36rem; }

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
}

.row { display: flex; gap: 0.6rem; }

.signup input[type="email"] {
  flex: 1;
  min-width: 0;
  min-height: 3rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid #8a8174;
  border-radius: 2px;
  background: var(--ink);
  color: var(--paper);
  font: 1rem var(--sans);
}

.signup input[type="email"]:user-invalid {
  border-color: var(--tally);
}

.signup button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.1rem;
  border: 0;
  border-radius: 2px;
  background: var(--brass);
  color: var(--brass-ink);
  font: 600 1rem var(--sans);
  text-decoration: none;
  cursor: pointer;
}

.button.secondary {
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--line);
}

.hint,
.fine {
  margin: 0.7rem 0 0;
  color: var(--mist);
  font-size: 0.95rem;
}

.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.success {
  margin-top: 1.5rem;
  max-width: 36rem;
  padding-left: 1rem;
  border-left: 2px solid var(--brass);
}

.success h2 { margin: 0 0 0.4rem; font-family: var(--serif); font-weight: 560; font-size: 2rem; }

.success p { margin: 0; color: var(--mist); }

.success .actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; }

.steps { margin: 1rem 0 0; }

.steps ol {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.steps li {
  margin: 0;
  padding: 1.5rem 1.4rem 1.6rem 0;
}

.steps li + li {
  padding-left: 1.4rem;
  border-left: 1px solid var(--line);
}

.steps h2,
.scope h2,
.prose h2 {
  margin: 0 0 0.45rem;
  font-family: var(--serif);
  font-weight: 560;
  font-size: 1.7rem;
  letter-spacing: -0.02em;
}

.steps p,
.scope dd,
.prose p { margin: 0; color: var(--mist); line-height: 1.5; }

.scope { padding: 2.5rem 0 1rem; }

.scope h2 { margin-bottom: 0.4rem; }

.scope dl { margin: 1rem 0 0; }

.scope div {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.scope dt {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.25rem;
}

.company {
  margin: 2rem 0 0;
  max-width: 40rem;
}

.company a,
.prose a,
.site-footer a { text-underline-offset: 0.18em; }

.prose { padding-bottom: 3rem; max-width: 42rem; }

.prose h1 { font-size: clamp(2.6rem, 6vw, 4.15rem); }
.prose .hero { padding-bottom: 1.5rem; }
.stack { margin-top: 0.5rem; padding-top: 0.2rem; border-top: 1px solid var(--line); }
.stack article { padding: 1.15rem 0; border-bottom: 1px solid var(--line); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2rem;
  margin-top: 0.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.note {
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: var(--mist);
}

.site-footer {
  padding: 1.5rem 0 2.5rem;
  color: var(--mist);
  font-size: 0.95rem;
}

@media (max-width: 760px) {
  .shell { width: min(1040px, calc(100% - 2.5rem)); }
  .site-header { align-items: flex-start; flex-direction: column; gap: 0.8rem; }
  .hero { padding-top: 2.4rem; }
  .row,
  .split,
  .steps ol,
  .scope div { display: block; }
  .signup input[type="email"] { width: 100%; margin-bottom: 0.6rem; }
  .signup button,
  .button { width: 100%; }
  .steps li,
  .steps li + li {
    padding: 1.15rem 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .steps ol { border-top: 0; }
  .scope dt { margin-bottom: 0.25rem; }
}


.proof {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(15rem, 0.7fr);
  gap: 2rem 3rem;
  margin-top: 2rem;
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.proof-intro { max-width: 42rem; }
.proof-intro h2 { margin: 0 0 0.7rem; font-family: var(--serif); font-weight: 560; font-size: 2rem; line-height: 1.05; }
.proof-intro p:not(.kicker) { margin: 0.8rem 0; max-width: 58ch; color: var(--mist); }
.proof-intro a { display: inline-block; margin-top: 0.35rem; text-underline-offset: 0.18em; }
.proof-list { margin: 0; }
.proof-list div { padding: 0.8rem 0; border-top: 1px solid var(--line); }
.proof-list div:first-child { border-top: 0; }
.proof-list dt { margin-bottom: 0.25rem; font-family: var(--serif); font-size: 1.25rem; }
.proof-list dd { margin: 0; color: var(--mist); }
code { padding: 0.06em 0.28em; border: 1px solid var(--line); color: var(--paper); font-size: 0.9em; }

@media (max-width: 760px) {
  .proof { display: block; }
  .proof-list { margin-top: 1.4rem; }
}