/* Cove QMS. Palette 0 (Ink): ink #15181B on paper #FAFAF8, reversed in dark. No brand colour. */

/* Sora, self-hosted (SIL OFL). Variable font, one file covers 400-600, latin subset. */
@font-face {
  font-family: "Sora";
  font-style: normal;
  font-weight: 400 600;
  font-display: optional;
  src: url("/assets/fonts/sora-latin.woff2") format("woff2");
}

:root {
  color-scheme: light dark;
  --ink: #15181B;
  --paper: #FAFAF8;
  --fg: var(--ink);
  --bg: var(--paper);
  --muted: color-mix(in srgb, var(--fg) 64%, transparent);
  --rule: color-mix(in srgb, var(--fg) 13%, transparent);
  --field: color-mix(in srgb, var(--fg) 4%, transparent);
  --sans: "Sora", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --measure: 62ch;
}

:root[data-theme="light"] { color-scheme: light; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --fg: #FAFAF8;
    --bg: #15181B;
    --field: color-mix(in srgb, #FAFAF8 7%, transparent);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --fg: #FAFAF8;
  --bg: #15181B;
  --field: color-mix(in srgb, #FAFAF8 7%, transparent);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2 { font-weight: 600; letter-spacing: -0.025em; line-height: 1.1; margin: 0; }
p { margin: 0; }
a { color: inherit; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--fg); color: var(--bg); padding: 0.6rem 1rem; z-index: 10;
}
.skip:focus { left: 0; }

:where(a, button, input, textarea):focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
}

/* Shell */

.site-head,
.hero-grid,
.band,
.site-foot {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3.5rem);
}

/* Header */

.site-head {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: clamp(1.25rem, 3vw, 2.25rem);
}

.lockup { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.mark { width: 44px; height: 44px; display: block; flex: none; }
.lockup-text { display: flex; align-items: baseline; gap: 0.45rem; line-height: 1; }
.wordmark { font-weight: 600; font-size: 1.6rem; letter-spacing: -0.03em; }
.descriptor { font-size: 0.78rem; font-weight: 500; letter-spacing: 0.24em; color: var(--muted); }

.site-nav { display: flex; gap: 1.35rem; margin-left: auto; margin-right: 0.7rem; font-size: 0.92rem; }
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover { color: var(--fg); }
.site-nav a[aria-current="page"] { color: var(--fg); }

.btn {
  display: inline-block;
  background: var(--fg);
  color: var(--bg);
  border: 1px solid var(--fg);
  border-radius: 999px;
  padding: 0.72rem 1.6rem;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 120ms ease;
}
.btn:hover { opacity: 0.82; }
.btn[disabled] { opacity: 0.45; cursor: default; }
.btn-small { padding: 0.6rem 1.2rem; font-size: 0.9rem; }

/* Hero, inside the cove */

.hero {
  position: relative;
  overflow: hidden;
  margin-top: calc(-1 * round(clamp(4rem, 9vw, 6.5rem), 1px));
  min-height: min(680px, 88vh);
  display: flex;
  align-items: flex-end;
  padding-top: clamp(8rem, 18vw, 12rem);
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.cove {
  position: absolute; inset: 0; pointer-events: none; color: var(--fg);
  /* Fade the object itself so nothing reaches the clip edge (a fade painted over a composited layer leaves a hairline). */
  -webkit-mask-image: linear-gradient(to bottom, #000 0, #000 calc(100% - 18rem), transparent calc(100% - 3rem));
  mask-image: linear-gradient(to bottom, #000 0, #000 calc(100% - 18rem), transparent calc(100% - 3rem));
  /* End the cove 2px above the hero's edge so the compositor never clips it at a fractional row. */
  clip-path: inset(0 0 2px 0);
}
.water {
  position: absolute;
  right: -30%;
  bottom: -40%;
  width: 120%;
  height: 110%;
  border-radius: 50%;
  background: radial-gradient(circle closest-side at 50% 50%,
    color-mix(in srgb, var(--fg) 20%, transparent) 0%,
    color-mix(in srgb, var(--fg) 11%, transparent) 40%,
    color-mix(in srgb, var(--fg) 4%, transparent) 72%,
    transparent 100%);
  transform-origin: 100% 100%;
  animation: breathe 9s ease-in-out infinite;
}
.tide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform-origin: 100% 100%;
  will-change: transform;
  animation: ripple 11s ease-in-out infinite alternate;
}
@keyframes breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }
@keyframes ripple { 0% { transform: scale(0.97); opacity: 0.95; } 100% { transform: scale(1.02); opacity: 0.6; } }
/* Each ring carries its own weight and laps in turn, inner to outer, so the tide
   reads as water rather than a watermark. Light mode runs hotter: ink hairlines on
   paper need more weight than white ones on ink. */
.cove { --amp: 1.55; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .cove { --amp: 1; } }
:root[data-theme="dark"] .cove { --amp: 1; }

.tide circle { stroke-opacity: calc(var(--o, 0.1) * var(--amp)); animation: lap 11s ease-in-out infinite; }
.tide circle:nth-child(1)  { --o: 0.20; }
.tide circle:nth-child(2)  { --o: 0.185; animation-delay: -10.2s; }
.tide circle:nth-child(3)  { --o: 0.17;  animation-delay: -9.4s; }
.tide circle:nth-child(4)  { --o: 0.155; animation-delay: -8.6s; }
.tide circle:nth-child(5)  { --o: 0.14;  animation-delay: -7.8s; }
.tide circle:nth-child(6)  { --o: 0.125; animation-delay: -7.0s; }
.tide circle:nth-child(7)  { --o: 0.11;  animation-delay: -6.2s; }
.tide circle:nth-child(8)  { --o: 0.10;  animation-delay: -5.4s; }
.tide circle:nth-child(9)  { --o: 0.09;  animation-delay: -4.6s; }
.tide circle:nth-child(10) { --o: 0.08;  animation-delay: -3.8s; }
.tide circle:nth-child(11) { --o: 0.07;  animation-delay: -3.0s; }
.tide circle:nth-child(12) { --o: 0.06;  animation-delay: -2.2s; }
@keyframes lap {
  0%, 100% { stroke-opacity: calc(var(--o, 0.1) * var(--amp)); }
  50% { stroke-opacity: calc(var(--o, 0.1) * var(--amp) * 1.9); }
}

@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.rise { animation: rise 900ms cubic-bezier(.2,.7,.2,1) both; }
.rise-1 { animation-delay: 80ms; }
.rise-2 { animation-delay: 160ms; }
@media (prefers-reduced-motion: reduce) {
  .water, .tide, .tide circle { animation: none; }
  .vignette *, .vignette > * { animation: none !important; opacity: 1 !important; transform: none !important; }
  .rise { animation: none; }
}

.hero-grid {
  position: relative;
  z-index: 1;
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
  gap: clamp(1.5rem, 4vw, 3rem);
}
.hero-main { grid-column: 1; display: flex; flex-direction: column; gap: 1.4rem; max-width: 46rem; }
.hero h1 {
  font-size: clamp(2rem, 3.8vw, 3.1rem);
  letter-spacing: -0.04em;
  line-height: 1.04;
  text-wrap: balance;
}
.hero-sub { margin: 0; max-width: 42rem; font-size: clamp(1rem, 1.5vw, 1.15rem); line-height: 1.6; color: var(--muted); text-wrap: pretty; }
.hero-actions { display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; margin-top: 0.2rem; }

.read-letter {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  width: fit-content;
  font-size: 0.95rem;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 3px;
  transition: color 120ms ease, border-color 120ms ease;
}
.read-letter:hover { color: var(--fg); border-color: var(--fg); }

/* Claims: text beside an animated design-preview vignette. The vignettes are the
   one place UI is shown; they loop slowly, are labelled "Design preview", and
   reduced motion shows their finished state. */
.band.claim { display: grid; grid-template-columns: minmax(0, 40rem) minmax(0, 26rem); justify-content: space-between; align-items: center; }
.band.claim.claim-flip { grid-template-columns: minmax(0, 26rem) minmax(0, 40rem); }
.claim-flip .claim-text { order: 2; }
.band.facts { display: block; }
.kicker { margin: 0 0 1rem; font-size: 0.75rem; font-weight: 500; letter-spacing: 0.14em; color: var(--muted); font-variant-numeric: tabular-nums; }
.claim h2 { font-size: clamp(1.5rem, 3vw, 2.3rem); letter-spacing: -0.035em; line-height: 1.1; text-wrap: balance; max-width: 26ch; }
.claim h2 + p { margin: 1.1rem 0 0; max-width: 40rem; color: var(--muted); line-height: 1.6; text-wrap: pretty; }
.talk-letter { margin-top: 1.4rem; }

/* Design-preview vignettes */
.vignette {
  position: relative;
  margin: 0;
  padding: 1.1rem 1.2rem 1.2rem;
  border: 1px solid var(--rule);
  border-radius: 14px;
  background: color-mix(in srgb, var(--fg) 3%, transparent);
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--muted);
}
.vg-tag {
  position: absolute; top: -0.55rem; right: 0.9rem;
  padding: 0.1rem 0.5rem;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-size: 0.6rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase;
}
.vg-bare { border: 0; border-radius: 0; background: none; padding: 1.5rem 0 0; }
.vg-bare .vg-tag { top: 0; }
.ui-head { display: flex; align-items: baseline; gap: 0.6rem; padding-bottom: 0.7rem; border-bottom: 1px solid var(--rule); }
.vg-bare .ui-head { border-bottom: 0; padding-bottom: 0.5rem; }
.ui-doc { font-weight: 600; color: var(--fg); font-variant-numeric: tabular-nums; }
.ui-title { min-width: 0; }
.ui-rev { margin-left: auto; font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }
.ui-lines { display: flex; flex-direction: column; gap: 0.45rem; padding: 0.8rem 0 0.2rem; }
.ui-lines i { display: block; height: 0.5rem; border-radius: 3px; background: color-mix(in srgb, var(--fg) 12%, transparent); transform-origin: left center; }
.ui-lines .ln1 { width: 92%; } .ui-lines .ln2 { width: 78%; } .ui-lines .ln3 { width: 55%; }
.ui-chips { display: flex; flex-wrap: wrap; gap: 0.45rem; padding: 0.55rem 0 0.2rem; }
.chip { border: 1px solid var(--rule); border-radius: 999px; padding: 0.12rem 0.6rem; font-size: 0.72rem; white-space: nowrap; }
.ui-approv { margin-top: 0.65rem; color: var(--fg); }
.ui-trail { list-style: none; margin: 0; padding: 0.35rem 0 0; }
.ui-trail li { display: flex; align-items: center; gap: 0.6rem; padding: 0.45rem 0; }
.v-trail .ui-trail { position: relative; }
.v-trail .ui-trail::before { content: ""; position: absolute; left: calc(0.775rem - 0.5px); top: 0.8rem; bottom: 1rem; width: 1px; background: var(--rule); }
.v-trail .ui-trail li { padding: 0.55rem 0; }
.v-trail .tl-who { position: relative; box-shadow: 0 0 0 5px var(--bg); }
.v-trail .tl-who-ai { background: var(--bg); }
.ui-trail time { margin-left: auto; font-variant-numeric: tabular-nums; font-size: 0.72rem; }
.tl-who {
  flex: none; width: 1.55rem; height: 1.55rem; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.6rem; font-weight: 600; letter-spacing: 0.04em;
  background: var(--fg); color: var(--bg);
}
.tl-who-ai { background: transparent; color: var(--muted); border: 1px dashed color-mix(in srgb, var(--fg) 45%, transparent); }
.ui-trail .signed, .ui-trail .signed time { color: var(--fg); }
.ui-trail .signed span:nth-child(2) { font-weight: 600; }
.ui-gaps { list-style: none; margin: 0; padding: 0.35rem 0 0; }
.ui-gaps li { display: flex; align-items: baseline; gap: 0.65rem; padding: 0.55rem 0; }
.ui-gaps li + li { border-top: 1px solid color-mix(in srgb, var(--fg) 7%, transparent); }
.sev {
  flex: none; font-size: 0.6rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid var(--rule); border-radius: 999px; padding: 0.08rem 0.5rem;
}
.sev-gap { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.ui-gaps .gtext em { font-style: normal; display: block; font-size: 0.7rem; color: color-mix(in srgb, var(--fg) 45%, transparent); }
.gaps-note { margin-top: 0.7rem; font-size: 0.74rem; color: var(--fg); }

/* Each vignette is a staged loop: shared duration, per-element windows. */
.v-draft  > :not(.vg-tag), .v-draft  .ui-lines i, .v-draft .chip { animation-duration: 9s; animation-timing-function: ease; animation-iteration-count: infinite; }
.v-draft  .ui-head   { animation-name: vg-a; }
.v-draft  .ln1       { animation-name: vg-grow-b; }
.v-draft  .ln2       { animation-name: vg-grow-c; }
.v-draft  .ln3       { animation-name: vg-grow-d; }
.v-draft  .ui-chips  { animation-name: vg-hold; }
.v-draft  .ch1       { animation-name: vg-e; }
.v-draft  .ch2       { animation-name: vg-f; }
.v-draft  .ui-approv { animation-name: vg-g; }
.v-trail  > :not(.vg-tag), .v-trail li { animation-duration: 11s; animation-timing-function: ease; animation-iteration-count: infinite; }
.v-trail  .ui-head { animation-name: vg-a; }
.v-trail  .t1 { animation-name: vg-b; }
.v-trail  .t2 { animation-name: vg-c; }
.v-trail  .t3 { animation-name: vg-e; }
.v-trail  .t4 { animation-name: vg-g; }
.v-gaps > :not(.vg-tag), .v-gaps li { animation-duration: 10s; animation-timing-function: ease; animation-iteration-count: infinite; }
.v-gaps .ui-head { animation-name: vg-a; }
.v-gaps .ui-gaps { animation-name: vg-hold; }
.v-gaps .g1 { animation-name: vg-b; }
.v-gaps .g2 { animation-name: vg-d; }
.v-gaps .g3 { animation-name: vg-e; }
.v-gaps .gaps-note { animation-name: vg-g; }

@keyframes vg-hold { 0%, 100% { opacity: 1; } }
@keyframes vg-a { 0%, 2%  { opacity: 0; transform: translateY(6px); } 6%,  90% { opacity: 1; transform: none; } 97%, 100% { opacity: 0; } }
@keyframes vg-b { 0%, 9%  { opacity: 0; transform: translateY(6px); } 14%, 90% { opacity: 1; transform: none; } 97%, 100% { opacity: 0; } }
@keyframes vg-c { 0%, 20% { opacity: 0; transform: translateY(6px); } 26%, 90% { opacity: 1; transform: none; } 97%, 100% { opacity: 0; } }
@keyframes vg-d { 0%, 30% { opacity: 0; transform: translateY(6px); } 36%, 90% { opacity: 1; transform: none; } 97%, 100% { opacity: 0; } }
@keyframes vg-e { 0%, 42% { opacity: 0; transform: translateY(6px); } 48%, 90% { opacity: 1; transform: none; } 97%, 100% { opacity: 0; } }
@keyframes vg-f { 0%, 52% { opacity: 0; transform: translateY(6px); } 58%, 90% { opacity: 1; transform: none; } 97%, 100% { opacity: 0; } }
@keyframes vg-g { 0%, 66% { opacity: 0; transform: translateY(6px); } 72%, 90% { opacity: 1; transform: none; } 97%, 100% { opacity: 0; } }
@keyframes vg-grow-late { 0%, 70% { opacity: 0; transform: scaleX(0); } 80%, 90% { opacity: 1; transform: none; } 97%, 100% { opacity: 0; } }
@keyframes vg-grow-b { 0%, 9%  { opacity: 0; transform: scaleX(0); } 16%, 90% { opacity: 1; transform: none; } 97%, 100% { opacity: 0; } }
@keyframes vg-grow-c { 0%, 17% { opacity: 0; transform: scaleX(0); } 24%, 90% { opacity: 1; transform: none; } 97%, 100% { opacity: 0; } }
@keyframes vg-grow-d { 0%, 25% { opacity: 0; transform: scaleX(0); } 32%, 90% { opacity: 1; transform: none; } 97%, 100% { opacity: 0; } }
.letter-back { padding-top: 0.35rem; }
.letter-more { margin-top: 2rem; }
.fact-more { display: inline-block; margin-top: 1rem; color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--rule); padding-bottom: 2px; }
.fact-more:hover { color: var(--fg); border-color: var(--fg); }

/* Founders page */
.founders-title { font-size: clamp(1.7rem, 3.4vw, 2.6rem); letter-spacing: -0.035em; }
.founders-lede { margin-top: 1rem; max-width: 40rem; color: var(--muted); }
.founder { align-items: start; }
.monogram {
  width: 5.5rem; height: 5.5rem; border-radius: 22px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--fg) 5%, transparent);
  border: 1px solid var(--rule);
  font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; color: var(--fg);
}
.founder-body h2 { font-size: 1.35rem; letter-spacing: -0.03em; }
.founder-role { margin-top: 0.2rem; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.founder-body p:not(.founder-role) { margin-top: 0.9rem; max-width: 38rem; color: var(--muted); }
.founder-links { margin-top: 1rem; }
.founder-links a { color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--rule); padding-bottom: 2px; }
.founder-links a:hover { color: var(--fg); border-color: var(--fg); }
.facts-list {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--muted);
}
.facts-list div { display: flex; flex-direction: column; gap: 0.15rem; }
.facts-list dt { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.facts-list dd { margin: 0; text-wrap: pretty; }

/* Bands */

.band {
  display: grid;
  grid-template-columns: minmax(0, 11rem) minmax(0, 40rem);
  justify-content: start;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-block: clamp(3rem, 7vw, 5.5rem);
  border-top: 1px solid var(--rule);
}

.band-label { display: flex; flex-direction: column; gap: 0.3rem; padding-top: 0.35rem; }
.band-label h2 {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

/* The letter */

.letter-body { grid-column: 2; display: flex; flex-direction: column; gap: clamp(1.25rem, 2.5vw, 1.6rem); }
.letter-title {
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 0;
}
.para { position: relative; display: flex; flex-direction: column; gap: 0.45rem; }
.para p + p { margin-top: 0.75rem; }
.note {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
@media (min-width: 46.01rem) {
  .note {
    position: absolute;
    right: calc(100% + clamp(1.5rem, 4vw, 3rem));
    top: 0.45em;
    width: 11rem;
    text-align: right;
  }
}
.letter-body p {
  font-size: clamp(1.05rem, 1.35vw, 1.19rem);
  line-height: 1.62;
  text-wrap: pretty;
}
.letter-head { display: flex; gap: 0.6rem; font-size: 0.9rem !important; line-height: 1.5 !important; color: var(--muted); margin-top: -0.4rem; }
.letter-head span + span::before { content: "·"; margin-right: 0.6rem; }
.salutation { color: var(--muted); }
.ps { color: inherit; }
.signatures {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.signatures li { display: flex; flex-direction: column; gap: 0.2rem; }
.signatures .who { font-weight: 600; }
.signatures a, .letter-body .role a { text-decoration: none; border-bottom: 1px solid var(--rule); }
.signatures a:hover, .letter-body .role a:hover { border-color: var(--fg); }
.signatures .role { font-size: 0.9rem; line-height: 1.5; color: var(--muted); }

/* Where we are */


/* Talk */

.talk-body { display: flex; flex-direction: column; }
.talk-head {
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.12;
  text-wrap: balance;
}
.talk-lede { margin-top: 0.75rem; max-width: var(--measure); color: var(--muted); text-wrap: pretty; }

/* Form */


.form {
  margin-top: clamp(1.25rem, 3vw, 2rem);
  display: grid;
  gap: 1.15rem;
}
@media (min-width: 40rem) {
  .form { grid-template-columns: 1fr 1fr; }
  .field-wide { grid-column: 1 / -1; }
}

.field { display: grid; gap: 0.4rem; }

label {
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.req {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-left: 0.35rem;
}

input[type="text"], input[type="email"], textarea {
  font: inherit;
  font-size: 1rem;
  color: var(--fg);
  background: var(--field);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  width: 100%;
  transition: border-color 120ms ease;
}
input:hover, textarea:hover { border-color: color-mix(in srgb, var(--fg) 28%, transparent); }
input:focus, textarea:focus { border-color: var(--fg); }
input[aria-invalid="true"] { border-color: color-mix(in srgb, var(--fg) 55%, transparent); }
textarea { resize: vertical; min-height: 6.5rem; }
::placeholder { color: var(--muted); opacity: 1; }

.check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.check input { width: 1rem; height: 1rem; accent-color: var(--fg); flex: none; }
.check label { margin: 0; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  margin-top: 0.35rem;
}
.form-note { font-size: 0.9rem; color: var(--muted); max-width: 34ch; }
.form-note[data-state="error"] { color: var(--fg); }
.field-note { font-size: 0.85rem; color: var(--fg); }
.field-note:empty { display: none; }
.form-thanks { margin-top: clamp(1.25rem, 3vw, 2rem); }
.form-thanks:empty { margin: 0; }

/* Footer */

.site-foot {
  border-top: 1px solid var(--rule);
  padding-block: clamp(2rem, 5vw, 3rem) clamp(2.5rem, 6vw, 4rem);
  font-size: 0.88rem;
  color: var(--muted);
}
.site-foot .foot-body {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
}
.site-foot p { display: flex; gap: 0.75rem; margin: 0; }
.site-foot a { text-decoration: none; border-bottom: 1px solid var(--rule); }
.site-foot a:hover { color: var(--fg); border-color: var(--fg); }

@media (max-width: 60rem) {
  .hero { min-height: 0; padding-top: clamp(7rem, 30vw, 10rem); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-main { grid-column: auto; }
  .facts-list { grid-template-columns: 1fr 1fr; }
  .band.claim, .band.claim.claim-flip { grid-template-columns: 1fr; }
  .claim-flip .claim-text { order: 0; }
  .vignette { max-width: 26rem; }
}

@media (max-width: 46rem) {
  .band { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.6rem; } /* measured: four lines at 375 and 360, so text-wrap: balance engages */
  .letter-body { grid-column: auto; }
  .letter-body, .talk-body { max-width: 34rem; }
  .facts-list { grid-template-columns: 1fr; gap: 1.1rem; }
  .hero-actions { margin-top: 0.6rem; }
  .letter-head { flex-direction: row; gap: 1rem; }
  .band-label { flex-direction: row; align-items: baseline; gap: 1rem; padding-top: 0; }
  .site-head { gap: 0.8rem; }
  .site-nav { gap: 0.9rem; font-size: 0.85rem; }
  .descriptor { display: none; }
  .mark { width: 32px; height: 32px; }
  .wordmark { font-size: 1.25rem; }
  .btn-small { padding: 0.5rem 0.9rem; font-size: 0.85rem; white-space: nowrap; }
  .signatures { grid-template-columns: 1fr; }
}

@media print {
  .site-head, .cove, .facts, .read-letter, .talk, .site-foot, .vignette { display: none !important; }
  .hero { min-height: 0; margin: 0; padding: 0 0 1.5rem; }
  .hero h1 { font-size: 20pt; }
  .band, .hero-grid { grid-template-columns: 1fr; gap: 0.5rem; padding-block: 1.5rem; }
  .letter-body p { font-size: 11.5pt; line-height: 1.5; }
  body { background: #fff; color: #000; }
}

[hidden] { display: none !important; }

@media (max-width: 46rem) {
  textarea { min-height: 8.5rem; }
}