:root {
  --stone: #f1ecdf;
  --stone-deep: #e4dac8;
  --forest: #183129;
  --forest-soft: #284a3f;
  --copper: #914529;
  --ink: #1b211f;
  --muted: #5b605b;
  --line: rgba(27, 33, 31, 0.22);
  --serif: "Iowan Old Style", "Baskerville", "Palatino Linotype", serif;
  --sans: "Avenir Next", "Helvetica Neue", sans-serif;
  --mono: "SFMono-Regular", "Cascadia Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--stone);
  color: var(--ink);
  font-family: var(--sans);
}

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

.proposal-header,
main,
footer {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.proposal-header {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 42px;
  height: 72px;
  border-bottom: 1px solid var(--ink);
}

.proposal-header p,
.proposal-header time,
footer,
.section-mark,
.eyebrow {
  font: 700 9px var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.proposal-header p,
.proposal-header time {
  margin: 0;
  color: var(--muted);
}

.brand {
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.brand span {
  margin-left: 8px;
  color: var(--muted);
  font: 700 8px var(--mono);
  font-style: normal;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.cover {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 70px;
  align-items: end;
  min-height: 720px;
  padding: clamp(90px, 12vw, 165px) 0 70px;
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
}

.cover-number {
  position: absolute;
  top: 45px;
  right: -12px;
  color: rgba(24, 49, 41, 0.07);
  font-family: var(--serif);
  font-size: clamp(180px, 26vw, 360px);
  font-style: italic;
  line-height: 0.8;
}

.eyebrow {
  margin: 0;
  color: var(--copper);
}

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

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 500;
}

h1 {
  position: relative;
  max-width: 900px;
  margin: 24px 0 0;
  font-size: clamp(64px, 9.5vw, 132px);
  letter-spacing: -0.07em;
  line-height: 0.82;
}

.lede {
  max-width: 720px;
  margin: 42px 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: clamp(21px, 2.5vw, 32px);
  line-height: 1.4;
}

.cover-meta {
  position: relative;
  margin: 0;
  padding: 25px 0 0;
  border-top: 5px solid var(--copper);
}

.cover-meta div {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.cover-meta dt,
.cover-meta dd {
  margin: 0;
}

.cover-meta dt {
  color: var(--muted);
  font: 700 8px var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.cover-meta dd {
  margin-top: 6px;
  font-size: 12px;
  font-weight: 700;
}

.thesis,
.evidence,
.scope,
.deliverables,
.assumptions {
  display: grid;
  grid-template-columns: 105px minmax(0, 1fr) minmax(240px, 0.42fr);
  gap: clamp(35px, 5vw, 70px);
  padding: 90px 0;
  border-bottom: 1px solid var(--line);
}

.section-mark {
  color: var(--muted);
}

.section-mark span {
  display: block;
  color: var(--copper);
  font-size: 10px;
}

.section-mark p {
  margin: 10px 0 0;
  line-height: 1.5;
}

h2 {
  margin: 0;
  font-size: clamp(42px, 5.5vw, 78px);
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.thesis > div:nth-child(2) > p,
.commercial-copy > p:last-child,
.acceptance > p {
  max-width: 700px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.thesis aside {
  align-self: end;
  padding: 28px 0 0;
  border-top: 1px solid var(--ink);
}

.thesis aside strong {
  display: block;
  color: var(--forest);
  font-family: var(--serif);
  font-size: 76px;
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.8;
}

.thesis aside span {
  display: block;
  margin-top: 22px;
  font-size: 13px;
  line-height: 1.55;
}

.thesis aside small {
  display: block;
  margin-top: 18px;
  color: var(--muted);
  font: 700 8px var(--mono);
  text-transform: uppercase;
}

.outcome {
  margin: 0 calc(50% - 50vw);
  padding: 85px max(20px, calc((100vw - 1200px) / 2));
  background: var(--forest);
  color: var(--stone);
}

.outcome > p {
  margin: 0;
  color: #b5d0c5;
  font: 700 9px var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.outcome h2 {
  max-width: 1050px;
  margin-top: 22px;
}

.outcome-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 70px;
  border-top: 1px solid rgba(241, 236, 223, 0.25);
}

.outcome-metrics article {
  min-height: 190px;
  padding: 28px 28px 0 0;
  border-right: 1px solid rgba(241, 236, 223, 0.2);
}

.outcome-metrics article:not(:first-child) {
  padding-left: 28px;
}

.outcome-metrics article:last-child {
  border-right: 0;
}

.outcome-metrics strong {
  display: block;
  color: #d6a186;
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 82px);
  font-weight: 500;
  letter-spacing: -0.06em;
}

.outcome-metrics span {
  display: block;
  max-width: 24ch;
  margin-top: 16px;
  color: rgba(241, 236, 223, 0.65);
  font-size: 12px;
  line-height: 1.55;
}

.evidence,
.scope,
.deliverables,
.assumptions {
  grid-template-columns: 105px minmax(0, 1fr);
}

.quotes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 55px;
  background: var(--ink);
  border: 1px solid var(--ink);
}

blockquote {
  margin: 0;
  padding: 35px;
  background: var(--stone);
  font-family: var(--serif);
  font-size: clamp(21px, 2.5vw, 31px);
  line-height: 1.35;
}

cite {
  display: block;
  margin-top: 36px;
  color: var(--muted);
  font: 700 8px var(--mono);
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scope ol {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 55px 0 0;
  padding: 0;
  background: var(--ink);
  border: 1px solid var(--ink);
  list-style: none;
}

.scope li {
  min-height: 440px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--stone);
}

.scope li > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font: 700 8px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scope li > div b {
  color: var(--copper);
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 500;
}

.scope h3 {
  margin: 64px 0 0;
  font-size: 34px;
  letter-spacing: -0.04em;
}

.scope li > p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.scope ul {
  margin: auto 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.scope ul li {
  min-height: 0;
  padding: 5px 0 5px 15px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
}

.scope ul li::before {
  margin-left: -15px;
  margin-right: 8px;
  color: var(--copper);
  content: "—";
}

.deliverable-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 55px;
  border-top: 1px solid var(--ink);
}

.deliverable-grid article {
  min-height: 230px;
  padding: 28px 35px 28px 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.deliverable-grid article:nth-child(even) {
  padding-left: 35px;
  border-right: 0;
}

.deliverable-grid span {
  color: var(--copper);
  font: 700 9px var(--mono);
}

.deliverable-grid h3 {
  margin: 35px 0 0;
  font-size: 30px;
  letter-spacing: -0.035em;
}

.deliverable-grid p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.commercials {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.55fr);
  gap: 55px 80px;
  margin: 0 calc(50% - 50vw);
  padding: 90px max(20px, calc((100vw - 1200px) / 2));
  background: var(--stone-deep);
}

.price {
  padding: 30px;
  border: 1px solid var(--forest);
  background: var(--stone);
}

.price span {
  color: var(--muted);
  font: 700 8px var(--mono);
  text-transform: uppercase;
}

.price strong {
  display: block;
  margin-top: 32px;
  color: var(--forest);
  font-family: var(--serif);
  font-size: clamp(56px, 6vw, 82px);
  font-weight: 500;
  letter-spacing: -0.065em;
}

.price p {
  margin: 25px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.terms {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  border-top: 1px solid var(--ink);
}

.terms div {
  padding: 22px 22px 0 0;
  border-right: 1px solid var(--line);
}

.terms div:not(:first-child) {
  padding-left: 22px;
}

.terms div:last-child {
  border-right: 0;
}

.terms dt,
.terms dd {
  margin: 0;
}

.terms dt {
  color: var(--muted);
  font: 700 8px var(--mono);
  text-transform: uppercase;
}

.terms dd {
  margin-top: 8px;
  font-size: 11px;
  font-weight: 700;
}

.assumptions ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 45px;
  margin: 50px 0 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  list-style: none;
}

.assumptions li {
  padding: 20px 0 20px 25px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.assumptions li::before {
  margin-left: -25px;
  margin-right: 12px;
  color: var(--copper);
  content: "◆";
  font-size: 7px;
}

.acceptance {
  padding: 95px 0;
  border-bottom: 1px solid var(--ink);
}

.acceptance h2 {
  max-width: 920px;
  margin-top: 20px;
}

.signatures {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 70px;
  margin-top: 85px;
}

.signatures span,
.signatures small {
  display: block;
  color: var(--muted);
  font: 700 8px var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.signatures i {
  display: block;
  height: 60px;
  border-bottom: 1px solid var(--ink);
}

.signatures small {
  margin-top: 8px;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 24px 0 50px;
  color: var(--muted);
}

a:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 4px;
}

@media (max-width: 780px) {
  .proposal-header {
    grid-template-columns: 1fr auto;
  }

  .proposal-header time {
    display: none;
  }

  .cover {
    grid-template-columns: 1fr;
    min-height: 0;
    gap: 55px;
    padding: 75px 0 55px;
  }

  .cover-number {
    top: 45px;
    font-size: 180px;
  }

  .cover-meta {
    max-width: 420px;
  }

  .thesis,
  .evidence,
  .scope,
  .deliverables,
  .assumptions {
    grid-template-columns: 55px 1fr;
    gap: 28px;
    padding: 65px 0;
  }

  .thesis aside {
    grid-column: 2;
  }

  .outcome {
    padding-top: 65px;
    padding-bottom: 65px;
  }

  .outcome-metrics {
    grid-template-columns: 1fr;
  }

  .outcome-metrics article,
  .outcome-metrics article:not(:first-child) {
    min-height: 0;
    padding: 25px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(241, 236, 223, 0.2);
  }

  .quotes,
  .scope ol {
    grid-template-columns: 1fr;
  }

  .scope li {
    min-height: 370px;
  }

  .commercials {
    grid-template-columns: 1fr;
    padding-top: 65px;
    padding-bottom: 65px;
  }

  .terms {
    grid-column: auto;
    grid-template-columns: repeat(2, 1fr);
  }

  .terms div:nth-child(2) {
    border-right: 0;
  }

  .terms div:nth-child(n + 3) {
    padding-top: 22px;
    border-top: 1px solid var(--line);
  }

  .signatures {
    gap: 35px;
  }
}

@media (max-width: 520px) {
  .brand span {
    display: none;
  }

  h2 {
    font-size: clamp(34px, 11vw, 42px);
    overflow-wrap: anywhere;
  }

  .thesis,
  .evidence,
  .scope,
  .deliverables,
  .assumptions {
    grid-template-columns: 1fr;
  }

  .section-mark {
    display: flex;
    gap: 10px;
  }

  .section-mark p {
    margin: 0;
  }

  .thesis aside {
    grid-column: auto;
  }

  .deliverable-grid,
  .assumptions ul,
  .signatures {
    grid-template-columns: 1fr;
  }

  .deliverable-grid article,
  .deliverable-grid article:nth-child(even) {
    min-height: 0;
    padding: 28px 0;
    border-right: 0;
  }

  .signatures {
    margin-top: 55px;
  }
}

@media print {
  body {
    background: white;
  }

  .cover {
    min-height: 92vh;
    break-after: page;
  }

  .outcome,
  .commercials {
    margin-right: 0;
    margin-left: 0;
    padding-right: 30px;
    padding-left: 30px;
  }

  .scope li,
  .deliverable-grid article,
  .price,
  .assumptions li,
  .signatures > div {
    break-inside: avoid;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}