:root {
  --paper: #FAF7F0;
  --ink: #0E0E0C;
  --quiet: #5C5852;
  --rule: #DCD6C8;
  --serif: "Spectral", Cambria, "Times New Roman", Times, serif;
}

* { box-sizing: border-box; }

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 400;
  font-size: 19px;
  line-height: 1.55;
  font-feature-settings: "liga", "kern", "onum";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: var(--rule);
  transition: text-decoration-color .15s ease, text-decoration-thickness .15s ease;
}

a:hover {
  text-decoration-color: var(--ink);
  text-decoration-thickness: 1px;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: clamp(5rem, 14vw, 9rem) clamp(1.5rem, 5vw, 3rem) 4rem;
}

/* --- Top navigation --- */
.topnav {
  margin: 0 0 clamp(5rem, 12vw, 8rem);
  font-size: 1rem;
  color: var(--quiet);
  letter-spacing: .005em;
}

.topnav a {
  color: inherit;
  text-decoration: none;
}

.topnav a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--ink);
  text-underline-offset: 3px;
}

.topnav .here {
  color: var(--ink);
  font-style: normal;
}

.topnav .sep {
  margin: 0 .65em;
  color: var(--rule);
}

/* --- Hero (homepage) --- */
section.hero {
  margin-bottom: clamp(4rem, 12vw, 8rem);
}

.hero-line {
  margin: 0 0 clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 300;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -.022em;
  text-wrap: balance;
  max-width: 30ch;
}

.hero-sub {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--quiet);
  max-width: 38rem;
}

/* --- Page title (subpages) --- */
.page-title {
  margin: 0 0 clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -.018em;
}

.page-lede {
  margin: 0 0 clamp(3rem, 6vw, 4rem);
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--quiet);
  max-width: 36rem;
}

/* --- Prose --- */
article.prose p {
  margin: 0 0 1.4rem;
  text-wrap: pretty;
}

article.prose p:last-child {
  margin-bottom: 0;
}

article.prose .marker {
  display: block;
  margin: clamp(3.5rem, 8vw, 5.5rem) 0 1.5rem;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.35rem, 2.2vw, 1.55rem);
  line-height: 1.2;
  letter-spacing: -.008em;
  color: var(--ink);
}

article.prose .marker:first-of-type {
  margin-top: 0;
}

article.prose em { font-style: italic; }
article.prose strong { font-weight: 500; }

/* --- Index list (writing, speaking) --- */
.index {
  list-style: none;
  margin: 0;
  padding: 0;
}

.index li {
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1.5rem;
  align-items: baseline;
}

.index li:first-child { border-top: none; padding-top: 0; }
.index li:last-child { padding-bottom: 0; }

.index .when {
  font-style: italic;
  font-size: 1rem;
  color: var(--quiet);
}

.index .what {
  font-size: 1.15rem;
  line-height: 1.4;
}

.index .what a {
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1px;
  transition: border-color .15s ease;
}

.index .what a:hover {
  border-bottom-color: var(--ink);
}

.index li { align-items: start; }

.index .note {
  display: block;
  margin-top: .4rem;
  font-size: .98rem;
  color: var(--quiet);
  font-style: italic;
}

/* --- Proof block (home) --- */
.proof {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: var(--measure);
}

.proof li {
  margin: 0 0 1.2rem;
  font-size: 1.05rem;
  line-height: 1.55;
}

.proof li:last-child { margin-bottom: 0; }

.proof strong {
  font-weight: 500;
  color: var(--ink);
}

@media (max-width: 36rem) {
  .index li {
    grid-template-columns: 1fr;
    gap: .3rem;
  }
}

/* --- Form --- */
form {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  max-width: 32rem;
}

.field { margin-bottom: 1.25rem; }

label {
  display: block;
  font-size: .92rem;
  color: var(--quiet);
  margin-bottom: .35rem;
  letter-spacing: .01em;
}

input,
textarea {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: .55rem 0;
  transition: border-color .15s ease;
}

input::placeholder,
textarea::placeholder { color: transparent; }

input:focus,
textarea:focus {
  outline: none;
  border-bottom-color: var(--ink);
}

textarea {
  min-height: 7rem;
  resize: vertical;
  font-family: inherit;
  line-height: 1.5;
}

.honey {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

button {
  margin-top: 1.5rem;
  padding: 0;
  font: inherit;
  font-size: 1.05rem;
  background: none;
  border: none;
  color: var(--ink);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: var(--ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

button:hover { text-decoration-thickness: 2px; }
button:disabled { color: var(--quiet); cursor: progress; text-decoration-color: var(--quiet); }

.form-status {
  margin: 1.25rem 0 0;
  min-height: 1.4em;
  color: var(--quiet);
  font-size: .95rem;
}

.form-status.ok { color: var(--ink); }
.form-status.err { color: #8C2410; }

/* --- Footer --- */
footer {
  margin-top: clamp(5rem, 10vw, 7rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  font-size: .95rem;
  color: var(--quiet);
}

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

footer .links a:hover {
  text-decoration: underline;
  text-decoration-color: var(--quiet);
  text-underline-offset: 3px;
}

footer .links .sep { margin: 0 .4em; color: var(--rule); }

/* --- Now page (sub-headings as prose) --- */
.updated {
  margin-top: clamp(4rem, 8vw, 6rem);
  font-size: .95rem;
  font-style: italic;
  color: var(--quiet);
}

/* --- Mobile --- */
@media (max-width: 28rem) {
  body { font-size: 18px; }
  .hero-line { font-size: 2rem; }
  .hero-sub { font-size: 1.05rem; }
}