@font-face {
  font-family: "Public Sans";
  src: url("assets/public-sans-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #ecebe7;
  --surface: #e1dfd9;
  --ink: #38450f;
  --ink-deep: #2b3509;
  --muted: #5d683a;
  --bone: #ecebe7;

  --margin: 32px;
  --radius: 0;

  --step-small: clamp(0.8125rem, 0.79rem + 0.1vw, 0.875rem);
  --step-body: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --step-lead: clamp(1.25rem, 1.1rem + 0.7vw, 1.625rem);
  --step-head: clamp(1.75rem, 1.3rem + 2.4vw, 3.25rem);

  --display: "Imbue", "Iowan Old Style", Georgia, serif;
  --text: "Public Sans", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--text);
  font-size: var(--step-body);
  line-height: 1.55;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; }

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

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

/* ----- Header ----- */

.site-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px var(--margin);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.125rem;
}

.site-bar nav {
  display: flex;
  gap: 28px;
  font-size: 15px;
}

.site-bar nav a { text-decoration: none; }
.site-bar nav a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ----- Buttons: one shape, one fill ----- */

.button {
  display: inline-block;
  background: var(--ink);
  color: var(--bone);
  padding: 16px 26px;
  border-radius: var(--radius);
  font: 500 15px/1 var(--text);
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease;
}

.button:hover { background: var(--ink-deep); }
.button:active { transform: translateY(1px) scale(0.99); }

.button-small { padding: 12px 18px; font-size: 15px; }

/* ----- Hero: the sentence split by a frame ----- */

.hero {
  padding: 56px var(--margin) 0;
  min-height: 88svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-title {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr minmax(0, 40vw) 1fr;
  align-items: center;
  gap: 24px;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(48px, 6vw, 110px);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.hero-half { white-space: nowrap; }
.hero-half-start { justify-self: start; }
.hero-half-end { justify-self: end; text-align: right; }

.hero-frame {
  margin: 0;
  aspect-ratio: 1604 / 962;
  overflow: hidden;
  border-radius: 4px;
}

/* ----- A full-width picture between sections ----- */

.band {
  margin: 160px var(--margin) 0;
}

.band img {
  width: 100%;
  aspect-ratio: 1606 / 1066;
  object-fit: cover;
  object-position: top left;
  border-radius: 4px;
}

.band figcaption {
  margin-top: 16px;
  font-size: 15px;
  color: var(--muted);
}

.hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-foot {
  margin-top: 56px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}

.lede {
  margin: 0;
  max-width: 42ch;
  font-size: 17px;
  line-height: 1.55;
}

/* ----- Features: statements on colour fields ----- */

.fields { margin-top: 160px; }

.field {
  position: relative;
  min-height: 76svh;
  padding: var(--margin);
  background: var(--ink);
  color: var(--bone);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: auto 1fr;
}

.field-text {
  grid-column: 8 / span 5;
  grid-row: 1;
  margin: 0;
  max-width: 34ch;
  font-size: 17px;
  line-height: 1.55;
  align-self: start;
}

.field-phrase {
  grid-column: 1 / span 11;
  grid-row: 2;
  align-self: end;
  margin: 0;
  font-family: var(--text);
  font-weight: 600;
  font-size: clamp(56px, 9vw, 150px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  max-width: 14ch;
}

.field-mirror .field-text { grid-column: 2 / span 5; }
.field-mirror .field-phrase { grid-column: 2 / span 11; justify-self: end; text-align: right; }

/* ----- How it works: a range drives the frame and the clause ----- */

.stages {
  margin-top: 160px;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: auto auto;
  gap: 0 var(--margin);
  padding: 0 var(--margin);
  align-items: start;
}

.stage-copy {
  grid-column: 1 / span 5;
  grid-row: 1;
  padding-top: 24px;
}

.stage-title {
  margin: 0 0 24px;
  font-family: var(--display);
  font-weight: 400;
  font-size: var(--step-head);
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.stage-note {
  margin: 0;
  max-width: 36ch;
  font-size: 17px;
  line-height: 1.55;
}

.stage-frame {
  grid-column: 7 / span 6;
  grid-row: 1;
  margin: 0;
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 1606 / 1066;
  background: var(--surface);
}

.stage-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}

.stage-track {
  grid-column: 1 / -1;
  grid-row: 2;
  margin-top: 56px;
}

.stage-track input[type="range"] {
  width: 100%;
  height: 32px;
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  cursor: pointer;
}

.stage-track input[type="range"]::-webkit-slider-runnable-track {
  height: 8px;
  background: var(--surface);
}

.stage-track input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 32px;
  height: 32px;
  margin-top: -12px;
  background: var(--ink);
  border: 0;
  border-radius: 0;
}

.stage-track input[type="range"]::-moz-range-track {
  height: 8px;
  background: var(--surface);
}

.stage-track input[type="range"]::-moz-range-thumb {
  width: 32px;
  height: 32px;
  background: var(--ink);
  border: 0;
  border-radius: 0;
}

.stage-names {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 16px;
  font-size: 15px;
  color: var(--muted);
}

.stage-names span.is-current { color: var(--ink); font-weight: 600; }

/* ----- Questions: large questions, answers beside ----- */

.questions {
  margin-top: 200px;
  padding: 0 var(--margin);
}

.qa-row {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0 var(--margin);
  align-items: start;
  margin-bottom: 80px;
}

.qa-question {
  grid-column: 1 / span 6;
  margin: 0;
  font-family: var(--text);
  font-weight: 500;
  font-size: clamp(26px, 2.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.questions-title {
  grid-column: 1 / -1;
  margin: 0 0 48px;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(56px, 8vw, 130px);
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.qa-row:first-child { margin-bottom: 64px; }

.qa-answer {
  grid-column: 8 / span 5;
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
  max-width: 44ch;
  padding-top: 0.5em;
}

/* ----- Closing: a sentence and an action ----- */

.closing {
  margin-top: 200px;
  padding: 0 var(--margin);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0 var(--margin);
  align-items: center;
}

.closing-copy { grid-column: 1 / span 6; }

.closing-frame {
  grid-column: 8 / span 5;
  margin: 0;
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--surface);
}

.closing-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}

.closing-sentence {
  margin: 0 0 32px;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(40px, 5vw, 80px);
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.closing-note {
  margin: 0 0 32px;
  max-width: 46ch;
  font-size: 17px;
}

/* ----- Footer: an invitation over a cropped name ----- */

.site-foot {
  margin-top: 200px;
  background: var(--ink);
  color: var(--bone);
  padding: 56px var(--margin) 0;
  min-height: 92svh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.foot-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: flex-start;
}

.foot-invite {
  margin: 0;
  max-width: 14ch;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(40px, 5vw, 80px);
  line-height: 1;
}

.foot-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  font-size: 15px;
}

.foot-links a { text-decoration: none; }
.foot-links a:hover { text-decoration: underline; text-underline-offset: 4px; }

.foot-credits {
  margin: auto 0 0;
  padding-bottom: 16px;
  font-size: 15px;
}

.foot-name {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: 30vw;
  line-height: 0.8;
  white-space: nowrap;
  transform: translateY(30%);
  letter-spacing: -0.02em;
}

/* ----- Motion: entrances, once, with a fallback ----- */

.js-motion .field-text,
.js-motion .field-phrase,
.js-motion .stage-copy,
.js-motion .stage-frame,
.js-motion .qa-row,
.js-motion .closing-sentence,
.js-motion .closing-note,
.js-motion .closing .button,
.js-motion .foot-invite,
.js-motion .foot-name {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js-motion .field-phrase { transition-delay: 80ms; }
.js-motion .stage-frame { transition-delay: 120ms; }
.js-motion .closing-note { transition-delay: 90ms; }
.js-motion .closing .button { transition-delay: 160ms; }

.js-motion .is-in {
  opacity: 1;
  transform: none;
}

.js-motion .foot-name.is-in { transform: translateY(30%); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0ms !important; animation-duration: 0ms !important; }
}

/* ----- Phone: its own composition ----- */

@media (max-width: 900px) {
  :root { --margin: 16px; }

  .site-bar nav { display: none; }

  .hero { min-height: auto; padding-top: 32px; }
  .hero-title {
    grid-template-columns: 1fr;
    gap: 16px;
    font-size: 11vw;
  }
  .hero-half-start, .hero-half-end { justify-self: start; text-align: left; }
  .hero-frame { width: 100%; aspect-ratio: 4 / 3; }
  .hero-foot { flex-direction: column; align-items: flex-start; }

  .fields { margin-top: 96px; }
  .field { min-height: 64svh; }
  .field-text,
  .field-mirror .field-text { grid-column: 1 / -1; max-width: 80%; font-size: 17px; }
  .field-phrase,
  .field-mirror .field-phrase { grid-column: 1 / -1; justify-self: start; text-align: left; font-size: 12vw; }

  .stages { grid-template-columns: 1fr; gap: 32px; margin-top: 96px; }
  .stage-copy, .stage-frame, .stage-track { grid-column: 1; grid-row: auto; }
  .stage-title { font-size: 9vw; }
  .stage-names { grid-template-columns: repeat(2, 1fr); row-gap: 8px; font-size: 15px; }

  .qa-row { grid-template-columns: 1fr; gap: 16px; margin-bottom: 56px; }
  .qa-question, .qa-answer { grid-column: 1; }
  .qa-question { font-size: 24px; }
  .qa-answer { padding-top: 0; font-size: 17px; }

  .band { margin-top: 96px; }
  .closing { margin-top: 96px; grid-template-columns: 1fr; gap: 40px; }
  .closing-copy, .closing-frame { grid-column: 1; }
  .closing-sentence { font-size: 10vw; }

  .site-foot { min-height: 80svh; }
  .foot-top { flex-direction: column; }
  .foot-invite { font-size: 11vw; }
  .foot-name { font-size: 34vw; }
}