/* afrokk.studio placeholder. Palette and type follow brand/logo/kit (Ink, Paper, Violet; Jost + JetBrains Mono). */

:root {
  --ink: #131211;
  --paper: #f6f4ef;
  --violet: #7b2cbf;
  --violet-light: #b26cef;

  --bg: var(--paper);
  --fg: var(--ink);
  --dot: var(--violet);
  --on-dot: var(--paper);
  --muted: color-mix(in srgb, var(--fg) 60%, var(--bg));
  --soft: color-mix(in srgb, var(--fg) 80%, var(--bg));
  --faint: color-mix(in srgb, var(--fg) 42%, var(--bg));
  --line: color-mix(in srgb, var(--fg) 12%, transparent);
  --rule: color-mix(in srgb, var(--fg) 26%, transparent);
  --underline: color-mix(in srgb, var(--fg) 42%, transparent);
  --chip-line: color-mix(in srgb, var(--fg) 20%, transparent);
  --grid: color-mix(in srgb, var(--fg) 5%, transparent);
  --guide: color-mix(in srgb, var(--dot) 55%, transparent);
  --guide-text: color-mix(in srgb, var(--dot) 85%, var(--bg));

  --display: "Jost", "Futura", "Avenir Next", "Century Gothic", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  /* header height = padding above and below + the wordmark's height (its viewBox is 1230.34 × 186) */
  --pad: clamp(20px, 3.6vw, 44px);
  --gutter: clamp(20px, 4.4vw, 56px);
  --wm: clamp(140px, 13vw, 176px);
  --top-h: calc(var(--pad) * 2 + var(--wm) * 0.1512);

  color-scheme: light dark;
}

/* dark follows the system until the visitor picks a theme (theme.js sets data-theme on <html>) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: var(--ink);
    --fg: var(--paper);
    --dot: var(--violet-light);
    --on-dot: var(--ink);
    --grid: color-mix(in srgb, var(--fg) 4%, transparent);
    --guide: color-mix(in srgb, var(--dot) 45%, transparent);
  }
}

:root[data-theme="dark"] {
  --bg: var(--ink);
  --fg: var(--paper);
  --dot: var(--violet-light);
  --on-dot: var(--ink);
  --grid: color-mix(in srgb, var(--fg) 4%, transparent);
  --guide: color-mix(in srgb, var(--dot) 45%, transparent);
  color-scheme: dark;
}

:root[data-theme="light"] {
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  position: relative;
  margin: 0;
  padding: 0 var(--gutter);
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.5 var(--display);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* a faint drafting grid behind the first screen, strongest behind the drawing */
body::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 100vh;
  height: 100svh;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: center;
  -webkit-mask-image: radial-gradient(ellipse 70% 65% at 72% 48%, #000 30%, transparent 78%);
  mask-image: radial-gradient(ellipse 70% 65% at 72% 48%, #000 30%, transparent 78%);
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--dot);
  outline-offset: 4px;
  border-radius: 999px;
}

.wrap {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
}

/* ---------------------------------------------------------------- header */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--top-h);
}

.brand {
  display: block;
  line-height: 0;
  color: var(--fg);
}

.wordmark {
  width: var(--wm);
  height: auto;
}

.wm-ink {
  fill: currentColor;
}

.wm-dot {
  fill: var(--dot);
}

.top-end {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.6vw, 22px);
}

/* theme switch: a half-filled disc that turns over */
.theme {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  transition: border-color 0.25s var(--ease);
}

.theme:hover {
  border-color: var(--rule);
}

.theme svg {
  width: 16px;
  height: 16px;
  transition: transform 0.6s var(--ease);
}

.theme[data-current="dark"] svg {
  transform: rotate(180deg);
}

.status {
  margin: 0;
  font: 500 11.5px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------------------------------------------------------------- hero */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  align-items: center;
  align-content: center;
  gap: clamp(24px, 5vw, 88px);
  padding: clamp(24px, 3vw, 40px) 0 calc(var(--pad) + clamp(24px, 3vw, 48px));
}

@media (min-width: 901px) {
  .hero {
    min-height: calc(100vh - var(--top-h));
    min-height: calc(100svh - var(--top-h));
  }
}

/* single-screen pages (the 404) keep their footer in view */
.solo {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
  min-height: 100svh;
}

.solo .hero {
  min-height: 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 clamp(20px, 2.6vw, 32px);
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

h1,
h2 {
  margin: 0;
  font-weight: 500;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.7rem, 1.2rem + 4.9vw, 6.4rem);
  line-height: 0.96;
  letter-spacing: -0.038em;
}

.stop {
  color: var(--dot);
}

.lede {
  margin: clamp(22px, 2.6vw, 32px) 0 0;
  max-width: 34ch;
  font-size: clamp(1.06rem, 0.96rem + 0.42vw, 1.32rem);
  line-height: 1.5;
  color: var(--soft);
  text-wrap: pretty;
}

.cta {
  margin-top: clamp(28px, 3.4vw, 44px);
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  height: 54px;
  padding: 0 22px 0 28px;
  border: 0;
  border-radius: 999px;
  background: var(--fg);
  color: var(--bg);
  font: 500 16px/1 var(--display);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease), opacity 0.3s var(--ease);
}

.button svg {
  width: 18px;
  height: 18px;
  transition: transform 0.35s var(--ease);
}

.button:hover {
  background: var(--dot);
  color: var(--on-dot);
}

.button:hover svg {
  transform: translateX(4px);
}

.button.down:hover svg {
  transform: translateY(3px);
}

/* ---------------------------------------------------------------- the drawing */

.drawing {
  margin: 0;
  justify-self: end;
  width: 100%;
  max-width: 660px;
}

.drawing-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.g,
.socket,
.cross {
  fill: none;
  stroke: var(--guide);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.g {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: draw 1.5s cubic-bezier(0.65, 0, 0.35, 1) forwards;
  animation-delay: calc(0.2s + var(--i) * 0.1s);
}

.socket {
  stroke-dasharray: 2 3;
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  animation: fade 0.8s var(--ease) 1.5s forwards, spin 48s linear 1.5s infinite;
}

.cross {
  opacity: 0;
  animation: fade 0.6s var(--ease) 1.1s forwards;
}

.mark-a {
  fill: var(--fg);
  opacity: 0;
  animation: settle 1s var(--ease) 0.65s forwards;
}

.mark-dot {
  fill: var(--dot);
}

.drop {
  opacity: 0;
  transform: translateY(-54px);
  animation: drop 0.85s cubic-bezier(0.34, 1.45, 0.55, 1) 1.45s forwards;
}

.notes text {
  font: 500 6.4px var(--mono);
  letter-spacing: 0.06em;
  fill: var(--guide-text);
  opacity: 0;
  animation: fade 0.8s var(--ease) 1.9s forwards;
}

/* ---------------------------------------------------------------- contact */

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  align-items: start;
  gap: clamp(40px, 5vw, 88px);
  padding: clamp(64px, 9vw, 136px) 0;
  border-top: 1px solid var(--line);
}

h2 {
  font-size: clamp(2.3rem, 1.3rem + 2.8vw, 4.2rem);
  line-height: 1;
  letter-spacing: -0.034em;
}

.contact-intro p {
  margin: clamp(18px, 2vw, 26px) 0 0;
  max-width: 30ch;
  font-size: clamp(1.06rem, 0.96rem + 0.42vw, 1.32rem);
  line-height: 1.5;
  color: var(--soft);
  text-wrap: pretty;
}

.contact-intro .direct {
  margin-top: clamp(28px, 3vw, 40px);
  font: 400 13px/1.5 var(--mono);
  letter-spacing: 0.02em;
  color: var(--muted);
}

.contact-intro .places-label {
  margin: clamp(36px, 4vw, 56px) 0 12px;
  font: 500 11px/1.4 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.places {
  margin: 0;
  max-width: 340px;
  font: 400 12px/1.4 var(--mono);
  letter-spacing: 0.04em;
}

.places div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.places div:last-child {
  border-bottom: 1px solid var(--line);
}

.places dt {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.places dd {
  margin: 0;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.direct a,
.form-status a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: text-decoration-color 0.25s var(--ease);
}

.direct a:hover,
.form-status a:hover {
  text-decoration-color: var(--dot);
}

/* the form and its thank-you note share one cell, so the section keeps its height when it swaps */
.panel {
  display: grid;
}

.panel > * {
  grid-area: 1 / 1;
}

.form {
  display: grid;
  gap: clamp(28px, 3vw, 40px);
  align-content: start;
  transition: opacity 0.4s var(--ease);
}

.trap {
  display: none;
}

.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 3vw, 40px) clamp(20px, 2.6vw, 36px);
}

.field {
  display: grid;
  gap: 6px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.field-head,
.stage legend {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font: 500 11px/1.4 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--soft);
}

.err,
.opt {
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: none;
}

.err {
  color: var(--dot);
}

.opt {
  color: var(--faint);
}

/* an underline that draws itself across on focus, like the guides in the drawing */
.control {
  position: relative;
}

.control::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--dot);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
  pointer-events: none;
}

.control:focus-within::after,
.field[data-invalid] .control::after {
  transform: scaleX(1);
}

.field[data-invalid] .control::after {
  height: 1px;
}

.field[data-invalid] .control:focus-within::after {
  height: 2px;
}

.control input,
.control textarea {
  display: block;
  width: 100%;
  margin: 0;
  padding: 8px 0 12px;
  border: 0;
  border-bottom: 1px solid var(--underline);
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  font: 400 clamp(1.1rem, 1rem + 0.3vw, 1.28rem)/1.45 var(--display);
  appearance: none;
  outline: none;
  transition: border-color 0.25s var(--ease);
}

.control input:hover,
.control textarea:hover {
  border-bottom-color: color-mix(in srgb, var(--fg) 70%, transparent);
}

.control textarea {
  min-height: calc(4 * 1.45em + 20px);
  max-height: 18em;
  resize: vertical;
}

@supports (field-sizing: content) {
  .control textarea {
    field-sizing: content;
    resize: none;
  }
}

::placeholder {
  color: var(--faint);
  opacity: 1;
}

/* keep browser autofill on-palette */
.control input:-webkit-autofill {
  -webkit-text-fill-color: var(--fg);
  box-shadow: 0 0 0 100px var(--bg) inset;
  caret-color: var(--fg);
}

.stage legend {
  float: left;
  width: 100%;
  padding: 0;
}

.chips {
  clear: both;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 12px;
}

.chip {
  position: relative;
}

/* the real radio sits over the pill so clicks, touch and keyboard all just work */
.chip input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.chip span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 42px;
  padding: 0 18px 0 15px;
  border: 1px solid var(--chip-line);
  border-radius: 999px;
  font-size: 15px;
  color: var(--soft);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

/* each option carries a small dot that fills violet when chosen */
.chip span::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px var(--faint);
  transition: background-color 0.25s var(--ease), box-shadow 0.25s var(--ease), transform 0.35s cubic-bezier(0.34, 1.6, 0.55, 1);
}

.chip:hover span {
  border-color: var(--underline);
  color: var(--fg);
}

.chip input:checked + span {
  border-color: var(--fg);
  color: var(--fg);
}

.chip input:checked + span::before {
  background: var(--dot);
  box-shadow: inset 0 0 0 1px var(--dot);
  transform: scale(1.12);
}

.chip input:focus-visible {
  outline: none;
}

.chip input:focus-visible + span {
  outline: 2px solid var(--dot);
  outline-offset: 3px;
}

.send {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 4px;
}

.send .button {
  min-width: 132px;
  justify-content: space-between;
}

.form[data-state="sending"] .button {
  opacity: 0.55;
  cursor: progress;
}

.reply-note {
  margin: 0;
  font: 400 13px/1.5 var(--mono);
  color: var(--muted);
}

.reply-note strong {
  font-weight: 500;
  color: var(--fg);
}

.form-status {
  flex-basis: 100%;
  margin: 0;
  max-width: 44ch;
  font: 400 13px/1.5 var(--mono);
  color: var(--muted);
}

.form-status:empty {
  display: none;
}

/* ---------------------------------------------------------------- thank-you note */

.sent {
  align-self: start;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s var(--ease), visibility 0s 0.3s;
}

.panel[data-state="sent"] .form {
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s var(--ease), visibility 0s 0.3s;
}

.panel[data-state="sent"] .sent {
  visibility: visible;
  opacity: 1;
  transition: opacity 0.6s var(--ease) 0.2s;
}

.sent-mark {
  display: block;
  width: 72px;
  height: auto;
  margin-bottom: clamp(28px, 3vw, 40px);
  overflow: visible;
}

.sent-a {
  fill: var(--fg);
}

.sent-dot {
  fill: var(--dot);
}

.panel[data-state="sent"] .sent-drop {
  animation: drop 0.85s cubic-bezier(0.34, 1.45, 0.55, 1) 0.45s both;
}

.sent h3 {
  margin: 0;
  font-weight: 500;
  font-size: clamp(2rem, 1.2rem + 2.2vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.032em;
}

.sent h3:focus {
  outline: none;
}

.sent p {
  margin: 18px 0 0;
  max-width: 36ch;
  font-size: clamp(1.06rem, 0.96rem + 0.42vw, 1.32rem);
  line-height: 1.5;
  color: var(--soft);
}

.sent-email {
  color: var(--fg);
}

.again {
  margin-top: clamp(24px, 3vw, 36px);
  padding: 0;
  border: 0;
  background: none;
  color: var(--muted);
  font: 400 13px/1.5 var(--mono);
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-underline-offset: 4px;
  cursor: pointer;
}

.again:hover {
  color: var(--fg);
  text-decoration-color: var(--dot);
}

/* ---------------------------------------------------------------- footer */

.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 20px 0 var(--pad);
  border-top: 1px solid var(--line);
  font: 400 12px/1.4 var(--mono);
  letter-spacing: 0.04em;
  color: var(--muted);
}

.foot nav {
  display: flex;
  gap: 22px;
}

.foot a {
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.foot a:hover {
  color: var(--fg);
}

/* ---------------------------------------------------------------- entrance */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: up 0.95s var(--ease) forwards;
  animation-delay: calc(0.1s + var(--d, 0) * 0.09s);
}

@keyframes up {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes fade {
  to {
    opacity: 1;
  }
}

@keyframes settle {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes drop {
  0% {
    opacity: 0;
    transform: translateY(-54px);
  }
  35% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

@keyframes spin {
  to {
    transform: rotate(1turn);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .g {
    stroke-dashoffset: 0;
  }
  .reveal,
  .mark-a,
  .drop,
  .cross,
  .socket,
  .notes text {
    opacity: 1;
    transform: none;
  }
}

/* ---------------------------------------------------------------- small screens */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    gap: 8px;
  }
  .drawing {
    order: -1;
    justify-self: center;
    max-width: 440px;
    margin: -8px 0 0;
  }
  .contact {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .notes {
    display: none;
  }
  .drawing {
    max-width: 320px;
  }
  .hero .button {
    width: 100%;
    justify-content: space-between;
  }
  .row {
    grid-template-columns: minmax(0, 1fr);
  }
  .send {
    flex-direction: column;
    align-items: stretch;
  }
  .reply-note {
    text-align: center;
  }
  .foot {
    flex-direction: column;
    align-items: flex-start;
  }
}