@font-face {
  font-family: "Archivo";
  src: url("assets/fonts/archivo-400.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Archivo";
  src: url("assets/fonts/archivo-700.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Archivo";
  src: url("assets/fonts/archivo-900.ttf") format("truetype");
  font-style: normal;
  font-weight: 900;
  font-display: swap;
}

@font-face {
  font-family: "Fragment Mono";
  src: url("assets/fonts/fragment-mono-400.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Fragment Mono";
  src: url("assets/fonts/fragment-mono-italic.ttf") format("truetype");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

:root {
  --paper: #f3efea;
  --proof-paper: #f9f5f0;
  --ink: #000000;
  --soft-ink: #262626;
  --muted: #68645f;
  --blue: #0d52e5;
  --blue-dark: #083aa4;
  --citrus: #eef69a;
  --fine-line: rgba(0, 0, 0, 0.28);
  --dark-line: rgba(255, 255, 255, 0.24);
  --site-width: 1448px;
  --gutter: clamp(1.15rem, 3vw, 2.8rem);
  --section-space: clamp(5.5rem, 10vw, 9.5rem);
  color-scheme: light;
}

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

html {
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background-color: var(--paper);
  background-image: url("assets/proof-paper-texture.webp");
  background-repeat: repeat;
  background-size: 640px;
  background-blend-mode: multiply;
  font-family: "Archivo", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  color: #ffffff;
  background: var(--blue);
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input {
  font: inherit;
}

button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.24em;
}

:focus-visible {
  outline: 3px solid var(--citrus);
  outline-offset: 4px;
  box-shadow: 0 0 0 7px var(--blue);
}

h1,
h2,
h3,
p,
figure {
  margin-top: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

.site-shell {
  width: min(calc(100% - (var(--gutter) * 2)), var(--site-width));
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 1rem;
  left: 1rem;
  padding: 0.7rem 1rem;
  color: var(--ink);
  background: var(--citrus);
  font-family: "Fragment Mono", monospace;
  font-size: 0.8rem;
  transform: translateY(-200%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Site index */

.site-header {
  position: relative;
  z-index: 20;
  color: #ffffff;
  background: var(--ink);
}

.site-header__inner {
  display: grid;
  min-height: 3.9rem;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
}

.wordmark {
  width: max-content;
  font-family: "Fragment Mono", monospace;
  font-size: clamp(1.15rem, 2vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav ul {
  display: flex;
  padding: 0;
  margin: 0;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  list-style: none;
}

.site-nav a,
.header-action {
  display: inline-flex;
  gap: 0.65rem;
  align-items: center;
  font-family: "Fragment Mono", monospace;
  font-size: 0.78rem;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.86);
}

.site-nav a span {
  color: var(--blue);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--citrus);
}

.header-action {
  min-height: 2.75rem;
  padding-inline: 0.95rem;
  justify-self: end;
  color: #ffffff;
  background: var(--blue);
}

.header-action:hover {
  color: var(--ink);
  background: var(--citrus);
}

.header-action svg {
  width: 1rem;
  height: 1rem;
  color: currentColor;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-width: 1.8;
}

/* First viewport */

.hero {
  display: grid;
  min-height: 37rem;
  padding-block: clamp(3.5rem, 6vw, 5.8rem);
  grid-template-columns: minmax(0, 46rem) minmax(21rem, 27rem);
  gap: clamp(3rem, 6vw, 5.5rem);
  align-items: center;
  justify-content: center;
}

.hero__copy {
  padding-left: 0;
}

.hero h1 {
  max-width: 15ch;
  margin-bottom: clamp(1.4rem, 2.5vw, 2.2rem);
  font-size: clamp(3.25rem, 4.6vw, 4.65rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

.hero h1 span,
.about h2 span,
.field-notes h2 span {
  position: relative;
  display: inline-block;
  z-index: 0;
}

.hero h1 span::after,
.about h2 span::after,
.field-notes h2 span::after {
  position: absolute;
  z-index: -1;
  right: -0.08em;
  bottom: -0.04em;
  left: -0.03em;
  height: 0.085em;
  background: var(--blue);
  content: "";
  transform: scaleX(1);
}

.hero__intro {
  max-width: 44rem;
  margin-bottom: 1.55rem;
  font-size: clamp(1.05rem, 1.55vw, 1.32rem);
  line-height: 1.34;
}

.hero__newsletter {
  display: grid;
  width: min(100%, 39rem);
  min-height: 6.2rem;
  padding: 1.05rem 1.2rem;
  margin-bottom: 1.55rem;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
  color: #ffffff;
  background: var(--blue);
  text-decoration: none;
}

.hero__newsletter:hover {
  color: #ffffff;
  background: var(--blue-dark);
}

.hero__newsletter strong,
.hero__newsletter-message,
.hero__newsletter small {
  display: block;
}

.hero__newsletter strong {
  font-size: clamp(1.25rem, 1.8vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
}

.hero__newsletter-message {
  margin-top: 0.5rem;
  font-family: "Fragment Mono", monospace;
  font-size: clamp(0.68rem, 0.9vw, 0.82rem);
  line-height: 1.3;
}

.hero__newsletter small {
  margin-top: 0.45rem;
  color: rgba(255, 255, 255, 0.82);
  font-family: "Fragment Mono", monospace;
  font-size: clamp(0.62rem, 0.85vw, 0.74rem);
  line-height: 1.25;
}

.hero__newsletter svg {
  width: 1.6rem;
  height: 1.6rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-width: 1.6;
}

.hero__method {
  display: flex;
  width: fit-content;
  max-width: 100%;
  margin-bottom: 1.45rem;
  gap: 0.65rem;
  align-items: center;
  color: var(--blue-dark);
  font-family: "Fragment Mono", monospace;
  font-size: clamp(0.72rem, 1.12vw, 0.98rem);
  line-height: 1.3;
}

.hero__method span {
  border-bottom: 1px solid currentColor;
}

.hero__method i {
  position: relative;
  display: block;
  width: 1.1rem;
  height: 1px;
  flex: 0 0 1.1rem;
  background: currentColor;
}

.hero__method i::after {
  position: absolute;
  top: -2px;
  right: 0;
  width: 5px;
  height: 5px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  content: "";
  transform: rotate(45deg);
}

.hero__proof {
  display: flex;
  margin-bottom: 0;
  gap: 0.65rem;
  align-items: center;
  font-family: "Fragment Mono", monospace;
  font-size: clamp(0.72rem, 1vw, 0.88rem);
}

.hero__proof > span {
  width: 3px;
  height: 3px;
  background: currentColor;
}

.proof-mark {
  position: relative;
  font-weight: 400;
}

.proof-mark::after {
  position: absolute;
  right: -0.15em;
  bottom: -0.35em;
  left: -0.15em;
  height: 0.34em;
  background: var(--citrus);
  content: "";
  transform: rotate(-1.2deg);
  z-index: -1;
}

.portrait-proof {
  position: relative;
  width: min(100%, 29.5rem);
  padding: 1.55rem 1.25rem 1.7rem;
  margin: 0;
  justify-self: end;
  color: #ffffff;
  background: var(--ink);
}

.portrait-proof img {
  width: 100%;
  height: clamp(18rem, 25vw, 22rem);
  object-fit: cover;
  object-position: center 62%;
  filter: saturate(0.88) contrast(1.02);
}

.proof-rail {
  position: absolute;
  right: 1.25rem;
  left: 1.25rem;
  display: flex;
  justify-content: space-between;
  font-family: "Fragment Mono", monospace;
  font-size: 0.65rem;
  line-height: 1;
  text-transform: uppercase;
}

.proof-rail--top { top: 0.52rem; }
.proof-rail--bottom { bottom: 0.5rem; padding-inline: 2.5rem 0.8rem; color: var(--blue); }
.proof-rail span:nth-child(2) { color: var(--blue); }

.portrait-proof__edge {
  position: absolute;
  top: 44%;
  left: 0.18rem;
  color: var(--blue);
  font-family: "Fragment Mono", monospace;
  font-size: 0.62rem;
  transform: rotate(-90deg);
}

.portrait-proof figcaption {
  position: absolute;
  right: -4.8rem;
  bottom: 20%;
  width: 4.2rem;
  color: var(--soft-ink);
  font-family: "Fragment Mono", monospace;
  font-size: 0.78rem;
  font-style: italic;
  line-height: 1.1;
  transform: rotate(-5deg);
}

.portrait-proof figcaption::after {
  display: block;
  width: 2.8rem;
  height: 2px;
  margin-top: 0.35rem;
  background: currentColor;
  content: "";
  transform: rotate(-11deg);
}

/* Compact method loop */

.method-loop {
  overflow: hidden;
  color: #ffffff;
  background: var(--ink);
}

.method-loop__inner {
  display: grid;
  min-height: 38rem;
  padding-block: clamp(2.75rem, 5vw, 4.75rem);
  grid-template-columns: minmax(20rem, 0.78fr) minmax(28rem, 1.22fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: center;
}

.method-loop__copy h2 {
  max-width: 10ch;
  margin-bottom: 1.8rem;
  font-size: clamp(3.5rem, 6.5vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.92;
}

.method-loop__copy h2 span {
  border-bottom: 0.08em solid var(--blue);
}

.method-loop__copy p {
  max-width: 28rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: clamp(1.05rem, 1.45vw, 1.28rem);
  line-height: 1.4;
}

.method-loop__diagram {
  width: min(100%, 40rem);
  height: auto;
  justify-self: end;
  overflow: visible;
  font-family: "Fragment Mono", monospace;
}

.method-loop__track,
.method-loop__arc {
  fill: none;
}

.method-loop__track {
  stroke: rgba(255, 255, 255, 0.18);
  stroke-width: 2;
}

.method-loop__arc {
  stroke: var(--blue);
  stroke-width: 3;
}

#method-arrow path {
  fill: var(--blue);
}

.method-loop__stage circle {
  fill: var(--proof-paper);
  stroke: var(--blue);
  stroke-width: 3;
}

.method-loop__stage > text:not(.method-loop__label) {
  fill: var(--ink);
  font-size: 22px;
  text-anchor: middle;
}

.method-loop__label {
  fill: #ffffff;
  font-size: 21px;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.method-loop__stage--one .method-loop__label,
.method-loop__stage--three .method-loop__label {
  text-anchor: middle;
}

.method-loop__stage--two .method-loop__label {
  text-anchor: start;
}

.method-loop__stage--four .method-loop__label {
  text-anchor: end;
}

.method-loop__center {
  fill: #ffffff;
  font-family: "Archivo", Arial, sans-serif;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-anchor: middle;
}

.method-loop__cursor {
  fill: var(--citrus);
  stroke: var(--ink);
  stroke-width: 4;
}

/* Continuous proof sequence */

.proof-sequence { padding-block: 0 3.5rem; }

.proof-sequence__intro {
  display: grid;
  padding-block: clamp(3.5rem, 6vw, 5.2rem) 1.6rem;
  border-top: 1px solid var(--fine-line);
  grid-template-columns: 1fr minmax(18rem, 0.65fr);
  gap: 3rem;
  align-items: end;
}

.proof-sequence__intro h2 {
  margin: 0;
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.proof-sequence__intro p {
  max-width: 36rem;
  margin: 0;
  font-family: "Fragment Mono", monospace;
  font-size: clamp(0.78rem, 1.1vw, 0.96rem);
  line-height: 1.45;
}

.proof-sequence__list {
  display: grid;
  padding: 0.35rem 0 0;
  margin-block: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  color: #ffffff;
  background: var(--ink);
  list-style: none;
}

.proof-step {
  min-width: 0;
  padding: 0 0.4rem;
}

.proof-step + .proof-step { border-left: 1px solid var(--dark-line); }

.proof-step--review {
  background: var(--blue-dark);
}

.proof-step--review .proof-step__header,
.proof-step--review h3 {
  color: var(--citrus);
}

.proof-step--review .proof-step__frame {
  border-color: var(--citrus);
}

.proof-step--review .proof-step__meta {
  background: var(--blue-dark);
}

.proof-step__header {
  display: flex;
  height: 2.25rem;
  padding-inline: 0.35rem;
  gap: 0.7rem;
  align-items: center;
  color: var(--blue);
  font-family: "Fragment Mono", monospace;
  font-size: 1.25rem;
  font-style: italic;
}

.proof-step__run {
  position: relative;
  display: block;
  height: 1px;
  flex: 1;
  background: currentColor;
}

.proof-step__run::after {
  position: absolute;
  top: -3px;
  right: 0;
  width: 6px;
  height: 6px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  content: "";
  transform: rotate(45deg);
}

.proof-step__frame {
  position: relative;
  height: 15rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: var(--proof-paper);
}

.proof-step__meta {
  position: absolute;
  z-index: 2;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  height: 1.35rem;
  padding-inline: 0.45rem;
  align-items: center;
  justify-content: space-between;
  color: #ffffff;
  background: var(--ink);
  font-family: "Fragment Mono", monospace;
  font-size: 0.48rem;
  text-transform: uppercase;
}

.proof-step__meta span:nth-child(2) { color: var(--blue); }

.proof-step__frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.proof-step h3 {
  min-height: 3.8rem;
  padding: 0.9rem 0.65rem 0.5rem;
  margin: 0;
  color: #ffffff;
  font-family: "Fragment Mono", monospace;
  font-size: clamp(0.68rem, 1.05vw, 0.92rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-align: center;
  text-transform: uppercase;
}

.proof-step__description {
  max-width: 31rem;
  padding: 0 0.8rem 1.4rem;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.7);
  font-size: clamp(0.76rem, 0.9vw, 0.88rem);
  line-height: 1.4;
  text-align: center;
}

.proof-step--review .proof-step__description {
  color: rgba(255, 255, 255, 0.78);
}

.workflow-map {
  position: relative;
  width: 100%;
  height: 100%;
  color: var(--blue-dark);
  background-image: url("assets/proof-paper-texture.webp");
  background-size: 320px;
  font-family: "Fragment Mono", monospace;
}

.workflow-node {
  position: absolute;
  z-index: 1;
  display: grid;
  width: 24%;
  min-height: 4.3rem;
  padding: 0.45rem 0.2rem;
  place-content: center;
  border: 1px solid currentColor;
  background: rgba(249, 245, 240, 0.9);
  text-align: center;
}

.workflow-node strong {
  font-size: 0.72rem;
  font-weight: 400;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.workflow-node span {
  margin-top: 0.28rem;
  font-size: 0.48rem;
  line-height: 1.35;
}

.workflow-node--input { top: 31%; left: 4%; }
.workflow-node--ai { top: 25%; left: 38%; width: 28%; min-height: 5.35rem; }
.workflow-node--output { top: 31%; right: 3%; }
.workflow-node--tools { bottom: 5%; left: 40%; width: 26%; min-height: 3.7rem; }

.workflow-link {
  position: absolute;
  height: 1px;
  background: var(--blue-dark);
}

.workflow-link::after {
  position: absolute;
  top: -2px;
  right: -1px;
  width: 5px;
  height: 5px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  content: "";
  transform: rotate(45deg);
}

.workflow-link--one { top: 50%; left: 29%; width: 8%; }
.workflow-link--two { top: 50%; left: 67%; width: 8%; }
.workflow-link--tools { bottom: 34%; left: 53%; width: 11%; transform: rotate(90deg); transform-origin: left; }

.workflow-run {
  display: grid;
  height: 100%;
  padding-top: 1.35rem;
  grid-template-columns: 1.08fr 0.92fr;
  color: #e8eee9;
  background: #101516;
  font-family: "Fragment Mono", monospace;
  font-size: 0.53rem;
}

.workflow-run__checklist,
.workflow-run__terminal {
  min-width: 0;
  padding: 0.6rem 0.55rem;
}

.workflow-run__terminal { border-left: 1px solid #344044; }
.workflow-run p { margin-bottom: 0.55rem; white-space: nowrap; }

.workflow-run__checklist > p {
  padding-bottom: 0.35rem;
  border-bottom: 1px solid #344044;
  color: #9ea8a8;
}

.workflow-run ol {
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: run-step;
}

.workflow-run li {
  display: flex;
  margin-bottom: 0.37rem;
  gap: 0.32rem;
  align-items: center;
  counter-increment: run-step;
  white-space: nowrap;
}

.workflow-run li::before {
  width: 0.7rem;
  color: #728081;
  content: counter(run-step) ".";
}

.workflow-run li > span {
  position: relative;
  display: block;
  width: 0.55rem;
  height: 0.55rem;
  border: 1px solid #83c785;
}

.workflow-run li > span::after {
  position: absolute;
  top: 0;
  left: 0.16rem;
  width: 0.16rem;
  height: 0.34rem;
  border-right: 1px solid #83c785;
  border-bottom: 1px solid #83c785;
  content: "";
  transform: rotate(42deg);
}

.terminal-ok { color: #a9dc91; }
.terminal-ok::before { content: "/ "; color: #d5f2a9; }

.terminal-cursor {
  display: inline-block;
  width: 0.35rem;
  height: 0.72rem;
  background: #ffffff;
  vertical-align: -0.13rem;
}

.review-loop {
  display: grid;
  height: 100%;
  padding: 3.7rem 1rem 1.4rem;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0.55rem;
  align-content: center;
  align-items: center;
  color: var(--blue-dark);
  background-image: url("assets/proof-paper-texture.webp");
  background-size: 320px;
  font-family: "Fragment Mono", monospace;
}

.review-loop > span {
  display: grid;
  min-height: 4.25rem;
  padding: 0.45rem;
  place-items: center;
  border: 1px solid currentColor;
  background: rgba(249, 245, 240, 0.9);
  font-size: clamp(0.55rem, 0.75vw, 0.68rem);
  text-align: center;
}

.review-loop > i {
  position: relative;
  display: block;
  width: 0.8rem;
  height: 1px;
  background: currentColor;
}

.review-loop > i::after {
  position: absolute;
  top: -2px;
  right: 0;
  width: 5px;
  height: 5px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  content: "";
  transform: rotate(45deg);
}

.review-loop p {
  grid-column: 1 / -1;
  padding-top: 0.8rem;
  margin: 0;
  border-top: 1px solid currentColor;
  font-size: 0.62rem;
  text-align: center;
  text-transform: uppercase;
}

.field-note-signup {
  height: 100%;
  padding: 2.55rem clamp(0.75rem, 1.3vw, 1.35rem) 0.4rem;
  color: var(--ink);
  background: var(--proof-paper);
}

.field-note-signup__title {
  margin-bottom: 0.45rem;
  font-size: clamp(0.78rem, 1vw, 1rem);
  font-weight: 700;
}

.field-note-signup form,
.field-notes form {
  display: grid;
  gap: 0.32rem;
}

.field-note-signup label,
.field-notes label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.field-note-signup input,
.field-note-signup button,
.field-notes input,
.field-notes button {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.55rem 0.72rem;
  border: 1px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  background: transparent;
  font-size: 0.74rem;
}

.field-note-signup button,
.field-notes button {
  border-color: var(--blue);
  color: #ffffff;
  background: var(--blue);
  font-weight: 700;
}

button:disabled { cursor: not-allowed; opacity: 0.68; }
input[readonly] { cursor: default; }

input::placeholder {
  color: #5d5954;
  opacity: 1;
}

.field-note-signup__promise {
  margin: 0.45rem 0 0;
  font-family: "Fragment Mono", monospace;
  font-size: 0.68rem;
  line-height: 1.3;
}

.field-note-signup__status {
  display: inline-block;
  padding: 0.18rem 0.35rem;
  margin: 0.3rem 0 0;
  background: var(--citrus);
  font-family: "Fragment Mono", monospace;
  font-size: 0.64rem;
  line-height: 1.2;
}

/* Proof caption below the fold */

.studio-proof {
  display: grid;
  padding: clamp(2.4rem, 4vw, 4rem) clamp(3rem, 6vw, 6rem);
  border-top: 1px solid var(--blue);
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4rem;
  align-items: center;
}

.studio-proof > p {
  max-width: 43rem;
  margin: 0;
  font-family: "Fragment Mono", monospace;
  font-size: clamp(0.85rem, 1.2vw, 1.06rem);
  line-height: 1.45;
}

.studio-proof__actions {
  display: flex;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.destination {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  font-family: "Fragment Mono", monospace;
  font-size: 0.9rem;
}

.destination + .destination {
  padding-left: clamp(2rem, 4vw, 4rem);
  border-left: 1px solid var(--ink);
}

.destination > svg {
  width: 1.8rem;
  flex: 0 0 1.8rem;
  color: var(--blue);
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.4;
}

.destination > span {
  border-bottom: 2px solid var(--blue);
  line-height: 1.2;
}

.destination small {
  display: block;
  margin-top: 0.28rem;
  color: var(--muted);
  font-size: 0.55rem;
  text-transform: uppercase;
}

/* Small problems bridge */

.small-solutions {
  border-top: 1px solid var(--fine-line);
}

.small-solutions__inner {
  display: grid;
  padding-block: clamp(4.8rem, 8vw, 7.2rem);
  border-top: 4px solid var(--ink);
  grid-template-columns: minmax(0, 1fr) minmax(22rem, 0.8fr);
  gap: clamp(4rem, 10vw, 10rem);
  align-items: center;
}

.small-solutions h2 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3.2rem, 6vw, 5.7rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.94;
}

.small-solutions h2 span {
  border-bottom: 0.08em solid var(--blue);
}

.small-solutions__copy > p:first-child {
  max-width: 39rem;
  margin-bottom: 1.8rem;
  font-size: clamp(1.1rem, 1.7vw, 1.42rem);
  line-height: 1.38;
}

.small-solutions__copy > p:last-child {
  max-width: 40rem;
  padding-top: 1rem;
  margin: 0;
  border-top: 1px solid var(--ink);
  color: var(--blue-dark);
  font-family: "Fragment Mono", monospace;
  font-size: clamp(0.76rem, 1vw, 0.9rem);
  line-height: 1.5;
}

/* Personal story */

.about {
  display: grid;
  padding-block: var(--section-space);
  border-top: 1px solid var(--fine-line);
  grid-template-columns: 0.22fr 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 5rem);
}

.about__index {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: var(--blue);
  font-family: "Fragment Mono", monospace;
  font-size: 0.76rem;
  text-transform: uppercase;
}

.about h2,
.field-notes h2 {
  max-width: 10ch;
  margin-bottom: 2rem;
  font-size: clamp(3rem, 6vw, 5.8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.about__lead > p {
  max-width: 37rem;
  margin-bottom: 0;
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  line-height: 1.38;
}

.about__story {
  max-width: 38rem;
  align-self: end;
}

.about__story p { margin-bottom: 1.25rem; }

.about__story-lead {
  padding-top: 1rem;
  border-top: 3px solid var(--ink);
  font-family: "Fragment Mono", monospace;
  font-size: clamp(1.05rem, 1.45vw, 1.3rem);
  line-height: 1.35;
}

/* Working examples */

.examples {
  color: #ffffff;
  background: var(--ink);
}

.examples__inner {
  display: grid;
  padding-block: var(--section-space);
  grid-template-columns: minmax(18rem, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(4rem, 9vw, 9rem);
}

.examples__intro h2 {
  max-width: 10ch;
  margin-bottom: 2rem;
  font-size: clamp(3.4rem, 6.5vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.92;
}

.examples__intro p {
  max-width: 35rem;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(1.05rem, 1.6vw, 1.32rem);
}

.examples__list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.examples__list li {
  display: grid;
  padding: 1.5rem 0;
  border-top: 1px solid var(--dark-line);
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  gap: 1.2rem;
  align-items: start;
}

.examples__list li:last-child { border-bottom: 1px solid var(--dark-line); }

.examples__number {
  color: var(--blue);
  font-family: "Fragment Mono", monospace;
  font-size: 0.78rem;
}

.examples__list h3 {
  margin-bottom: 0.55rem;
  font-size: clamp(1.08rem, 1.55vw, 1.32rem);
  line-height: 1.2;
}

.examples__list p {
  max-width: 40rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
}

.examples__status {
  display: inline-block;
  padding: 0.25rem 0.45rem;
  color: var(--ink);
  background: var(--citrus);
  font-family: "Fragment Mono", monospace;
  font-size: 0.66rem;
  line-height: 1.15;
  text-transform: uppercase;
  white-space: nowrap;
}

.examples__status--building {
  color: #ffffff;
  background: var(--blue);
}

.examples__closing {
  max-width: 47rem;
  padding-top: 1.6rem;
  margin: 0;
  border-top: 3px solid var(--blue);
  grid-column: 2;
  font-family: "Fragment Mono", monospace;
  font-size: clamp(0.82rem, 1.15vw, 1rem);
  line-height: 1.5;
}

/* Primary field-notes conversion */

.field-notes {
  display: grid;
  padding-block: var(--section-space);
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(4rem, 10vw, 10rem);
  align-items: end;
}

.field-notes__copy > p {
  max-width: 40rem;
  margin: 0;
  font-size: clamp(1.1rem, 1.7vw, 1.4rem);
}

.field-notes__copy > p + p {
  margin-top: 1rem;
}

.field-notes__form {
  padding-top: 1.4rem;
  border-top: 4px solid var(--ink);
}

.field-notes__form > p:first-child {
  font-family: "Fragment Mono", monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.field-notes__button {
  display: inline-flex;
  width: fit-content;
  min-height: 3.6rem;
  min-width: 12rem;
  padding: 0.9rem 1.15rem;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: var(--blue);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.field-notes__button:hover {
  color: #ffffff;
  background: var(--blue-dark);
}

.field-notes__promise { margin: 0.8rem 0 0; color: var(--muted); font-size: 0.78rem; }

/* Recurring-problem invitation */

.callout {
  border-top: 1px solid var(--fine-line);
}

.callout__inner {
  display: grid;
  padding-block: var(--section-space);
  grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.75fr);
  gap: clamp(4rem, 10vw, 10rem);
  align-items: start;
}

.callout h2 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3.3rem, 6.5vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.94;
}

.callout__copy {
  padding-top: 1.4rem;
  border-top: 4px solid var(--ink);
}

.callout__copy p {
  margin-bottom: 1.15rem;
  font-size: clamp(1rem, 1.45vw, 1.22rem);
}

.callout__action {
  display: grid;
  min-height: 4.9rem;
  padding: 0.9rem 1rem;
  margin-top: 1.8rem;
  place-content: center start;
  color: #ffffff;
  background: var(--blue);
  text-decoration: none;
}

.callout__action:hover {
  color: #ffffff;
  background: var(--blue-dark);
}

.callout__action strong {
  font-size: 1.12rem;
}

.callout__action small {
  margin-top: 0.3rem;
  color: rgba(255, 255, 255, 0.78);
  font-family: "Fragment Mono", monospace;
  font-size: 0.66rem;
  text-transform: uppercase;
}

/* External destinations */

.elsewhere {
  padding-block: clamp(4.5rem, 8vw, 7rem);
  color: #ffffff;
  background: var(--blue-dark);
}

.elsewhere__inner {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: clamp(4rem, 10vw, 10rem);
}

.elsewhere h2 {
  margin-bottom: 1.5rem;
  font-size: clamp(2.8rem, 5vw, 4.9rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.96;
}

.elsewhere p { max-width: 31rem; margin-bottom: 0; color: rgba(255, 255, 255, 0.72); }
.elsewhere ul { padding: 0; margin: 0; list-style: none; }

.elsewhere li {
  display: flex;
  padding: 1rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.34);
  align-items: baseline;
  justify-content: space-between;
}

.elsewhere li:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.34); }
.elsewhere li span { font-family: "Fragment Mono", monospace; font-size: clamp(1.05rem, 1.7vw, 1.35rem); }

.elsewhere li small {
  color: var(--citrus);
  font-family: "Fragment Mono", monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
}

/* Closing conversion */

.closing {
  border-bottom: 1px solid var(--dark-line);
  color: #ffffff;
  background: var(--ink);
}

.closing__inner {
  display: grid;
  padding-block: clamp(5rem, 9vw, 8rem);
  grid-template-columns: minmax(0, 1.25fr) minmax(19rem, 0.55fr);
  gap: clamp(4rem, 9vw, 9rem);
  align-items: end;
}

.closing h2 {
  max-width: 16ch;
  margin: 0;
  font-size: clamp(3.25rem, 6vw, 5.8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.94;
}

.closing p {
  margin-bottom: 1.6rem;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(1rem, 1.45vw, 1.2rem);
}

.closing a {
  display: inline-flex;
  min-height: 3.6rem;
  padding: 0.9rem 1.15rem;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

.closing a:hover {
  color: var(--ink);
  background: var(--citrus);
}

/* Footer */

.site-footer { color: #ffffff; background: var(--ink); }

.site-footer__inner {
  display: grid;
  min-height: 5.2rem;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  font-family: "Fragment Mono", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
}

.site-footer p { margin: 0; }
.site-footer p span { color: rgba(255, 255, 255, 0.56); }
.site-footer a { justify-self: end; }

/* Responsive sequence */

@media (max-width: 1180px) {
  .hero { grid-template-columns: minmax(0, 1.35fr) minmax(19rem, 0.65fr); gap: 3.5rem; }
  .hero__copy { padding-left: 0; }
  .portrait-proof figcaption { display: none; }
  .workflow-run { font-size: 0.48rem; }
  .studio-proof { padding-inline: 0; grid-template-columns: 1fr; gap: 2.4rem; }
  .studio-proof__actions { justify-content: flex-start; }
}

@media (min-width: 1181px) and (max-width: 1280px) {
  .portrait-proof figcaption { display: none; }
}

@media (max-width: 940px) {
  .site-header__inner { grid-template-columns: 1fr auto; }
  .site-nav { display: none; }
  .hero { min-height: auto; padding-block: 3.5rem; grid-template-columns: 1fr 0.75fr; gap: 2rem; }
  .hero h1 { font-size: clamp(3.2rem, 8vw, 5rem); }
  .hero__method { flex-wrap: wrap; }
  .method-loop__inner { min-height: 0; grid-template-columns: 1fr; gap: 1rem; }
  .method-loop__copy h2 { max-width: 12ch; }
  .method-loop__diagram { width: min(100%, 35rem); justify-self: center; }
  .proof-sequence__intro { grid-template-columns: 1fr; gap: 1rem; }
  .proof-sequence__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-step:nth-child(3) { border-left: 0; }
  .proof-step:nth-child(n + 3) { border-top: 1px solid var(--dark-line); }
  .proof-step__frame { height: 18rem; }
  .small-solutions__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .about { grid-template-columns: 0.18fr 1fr; }
  .about__story { grid-column: 2; margin-top: 1rem; }
  .examples__inner,
  .field-notes,
  .callout__inner,
  .elsewhere__inner,
  .closing__inner { grid-template-columns: 1fr; gap: 4rem; }
  .examples__closing { grid-column: 1; }
}

@media (max-width: 680px) {
  :root { --gutter: 1rem; }
  html { scroll-padding-top: 1rem; }
  .site-header__inner { min-height: 3.55rem; }
  .wordmark { font-size: 1.1rem; }
  .header-action { font-size: 0.65rem; }

  .wordmark,
  .header-action {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
  }

  .hero { display: flex; padding-block: 3rem 2rem; flex-direction: column; align-items: stretch; }
  .hero h1 { max-width: 13ch; font-size: clamp(2.85rem, 13vw, 4.25rem); }
  .hero__intro { font-size: 1.08rem; }
  .hero__newsletter { width: 100%; min-height: 6.2rem; gap: 0.8rem; }

  .hero__method {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .hero__method i { width: 1px; height: 0.7rem; margin-left: 0.2rem; background: currentColor; }
  .hero__method i::after { top: auto; right: -2px; bottom: 0; transform: rotate(135deg); }
  .hero__method span { width: fit-content; }
  .hero__proof { flex-wrap: wrap; line-height: 1.6; }
  .portrait-proof { width: calc(100% - 1.25rem); margin-top: 1rem; justify-self: auto; }
  .portrait-proof img { height: 24rem; }
  .portrait-proof figcaption { display: none; }

  .method-loop__inner { padding-block: 4.5rem 3.2rem; gap: 0.5rem; }
  .method-loop__copy h2 { margin-bottom: 1.25rem; font-size: clamp(3rem, 13.5vw, 4.5rem); }
  .method-loop__copy p { max-width: 22rem; font-size: 1.05rem; }
  .method-loop__diagram { width: calc(100% + 0.5rem); max-width: 27rem; margin-inline: -0.25rem; }

  .proof-sequence { padding-bottom: 2rem; }
  .proof-sequence__intro { padding-block: 3.5rem 1.4rem; }
  .proof-sequence__intro h2 { font-size: clamp(2.7rem, 13vw, 4rem); }
  .proof-sequence__list { grid-template-columns: 1fr; }
  .proof-step,
  .proof-step + .proof-step,
  .proof-step:nth-child(3) { border: 0; }
  .proof-step + .proof-step { border-top: 1px solid var(--dark-line); }
  .proof-step__frame { height: min(72vw, 22rem); }
  .proof-step h3 { min-height: 0; padding-block: 0.95rem 0.55rem; font-size: 0.88rem; }
  .proof-step__description { padding-bottom: 1.5rem; font-size: 0.86rem; }
  .workflow-run { font-size: clamp(0.48rem, 2.2vw, 0.66rem); }
  .review-loop { padding-inline: 1.25rem; }
  .field-note-signup { padding-inline: 1.35rem; }
  .field-note-signup__title { font-size: 1.05rem; }
  .field-note-signup input,
  .field-note-signup button { min-height: 3rem; font-size: 0.85rem; }
  .field-note-signup__promise { font-size: 0.72rem; }

  .studio-proof { gap: 2rem; }
  .studio-proof__actions { align-items: stretch; flex-direction: column; gap: 1.4rem; }
  .destination + .destination { padding: 1.4rem 0 0; border-top: 1px solid var(--ink); border-left: 0; }

  .small-solutions__inner { padding-block: 4.8rem; gap: 2rem; }
  .small-solutions h2 { font-size: clamp(3rem, 13.5vw, 4.6rem); }
  .about { padding-block: 5.5rem; grid-template-columns: 1fr; gap: 2rem; }
  .about__index { flex-direction: row; }
  .about__story { grid-column: auto; }
  .about h2,
  .field-notes h2 { font-size: clamp(3.3rem, 15vw, 5rem); }

  .examples__inner,
  .field-notes,
  .callout__inner,
  .elsewhere__inner,
  .closing__inner { padding-block: 5.5rem; gap: 3rem; }
  .examples__intro h2,
  .callout h2,
  .closing h2 { font-size: clamp(3.1rem, 14vw, 5rem); }
  .examples__list li { grid-template-columns: 2.25rem 1fr; }
  .examples__status { grid-column: 2; justify-self: start; }
  .field-notes__button { width: 100%; }
  .elsewhere li { gap: 1rem; align-items: flex-start; flex-direction: column; }
  .site-footer__inner { min-height: auto; padding-block: 1.5rem; grid-template-columns: 1fr auto; }
  .site-footer p:nth-child(2) { display: none; }
  .site-footer a { display: inline-flex; min-height: 2.75rem; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero h1 span::after,
  .about h2 span::after,
  .field-notes h2 span::after { transform: scaleX(1); }
  .method-loop__cursor { display: none; }
}