:root {
  color-scheme: light;
  --ink: #152c38;
  --ink-soft: #35515c;
  --paper: #f8f7f1;
  --white: #ffffff;
  --teal: #147568;
  --teal-dark: #0c5149;
  --orange: #b74618;
  --orange-bright: #ff9867;
  --yellow: #f3c84b;
  --line: #b8c7c8;
  --focus: #005fcc;
  --content: min(1160px, calc(100vw - 3rem));
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 7.5rem;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 1rem/1.65 "Segoe UI", Arial, sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .25;
  background-image: linear-gradient(rgba(21,44,56,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(21,44,56,.035) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
  z-index: -1;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p, figure { margin-top: 0; }
h1, h2, h3 { line-height: 1.02; letter-spacing: -.04em; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .75rem 1rem;
  color: var(--white);
  background: var(--ink);
}

.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.site-header {
  position: relative;
  z-index: 10;
  width: var(--content);
  min-height: 6.5rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  font-weight: 750;
  line-height: 1.05;
  text-decoration: none;
}

.wordmark-mark {
  width: 2.75rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font: 700 .75rem/1 ui-monospace, "Cascadia Code", monospace;
}

.wordmark small {
  display: block;
  margin-top: .3rem;
  color: var(--ink-soft);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .2rem 1.4rem; }
nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-size: .88rem;
  font-weight: 700;
  text-decoration: none;
}
nav a:hover { text-decoration: underline; text-decoration-color: var(--orange); text-decoration-thickness: 3px; text-underline-offset: .4rem; }

.hero {
  width: var(--content);
  margin: 0 auto;
  padding: clamp(3rem, 5vw, 5rem) 0 3rem;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(18rem, .72fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}

.overline, .section-number, .project-kicker, .artifact-label, .organizing-arc {
  font: 700 .78rem/1.4 ui-monospace, "Cascadia Code", monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.overline { margin-bottom: 1.4rem; color: var(--teal-dark); }
.overline span { margin: 0 .45rem; color: var(--orange); }

h1 { max-width: 14ch; margin-bottom: 1.4rem; font-size: clamp(3.25rem, 4.5vw, 4.35rem); }
h1 em { color: var(--teal); font-style: normal; }
.hero-intro { max-width: 44rem; color: var(--ink-soft); font-size: clamp(1.05rem, 1.5vw, 1.22rem); }
.hero-actions, .project-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: 2rem; }

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .7rem 1.1rem;
  border: 1px solid transparent;
  font-weight: 750;
  text-decoration: none;
}

.button-primary { color: var(--white); background: var(--teal-dark); }
.button-dark { color: var(--white); background: var(--ink); }
.button:hover { transform: translateY(-2px); }
.text-link { min-height: 44px; display: inline-flex; align-items: center; gap: .45rem; font-weight: 750; text-underline-offset: .3rem; }
.text-link span { color: var(--orange); font-size: 1.25em; }

.hero-visual { position: relative; margin: 0; align-self: stretch; }
.image-frame {
  position: relative;
  height: min(660px, 66vw);
  min-height: 33rem;
  overflow: hidden;
  background: var(--ink);
  clip-path: polygon(8% 0, 100% 0, 100% 91%, 85% 100%, 0 100%, 0 10%);
}
.image-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(15,38,47,.42)); }
.image-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center 48%; }
.image-index { position: absolute; left: 1rem; bottom: 1rem; z-index: 1; color: var(--white); font: 700 .7rem/1 ui-monospace, monospace; letter-spacing: .08em; }
.hero-visual figcaption { display: flex; justify-content: space-between; gap: 1rem; padding-top: .7rem; font-size: .75rem; }
.hero-visual figcaption span { color: var(--ink-soft); }

.organizing-arc {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.organizing-arc span { display: flex; gap: .65rem; }
.organizing-arc b { color: var(--orange); }
.organizing-arc i { height: 1px; background: var(--line); }

.work-section { padding: clamp(5rem, 10vw, 9rem) max(1.5rem, calc((100vw - 1160px) / 2)); background: var(--white); }
.section-heading { display: grid; grid-template-columns: minmax(10rem,.7fr) minmax(18rem,1.4fr) minmax(15rem,.8fr); gap: 2rem; align-items: end; margin-bottom: clamp(3rem, 6vw, 5.5rem); }
.section-heading > * { margin: 0; }
.section-number { align-self: start; color: var(--orange); }
h2 { font-size: clamp(2.8rem, 6vw, 5.8rem); }
.section-heading > p:last-child { color: var(--ink-soft); }

.budget-feature { display: grid; grid-template-columns: minmax(18rem,.78fr) minmax(0,1.4fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.project-kicker { color: var(--teal-dark); }
.project-kicker span { color: var(--orange); }
.budget-story h3 { margin-bottom: 1.5rem; font-size: clamp(2.25rem, 4.5vw, 4.4rem); }
.project-lead { color: var(--ink); font-size: 1.12rem; font-weight: 650; }
.budget-story > p:not(.project-kicker, .project-lead, .project-note) { color: var(--ink-soft); }
.project-note { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .9rem; }

.budget-artifact { min-width: 0; margin: 0; background: var(--ink); box-shadow: 1.25rem 1.25rem 0 var(--yellow); }
.artifact-label { display: flex; justify-content: space-between; gap: 1rem; padding: .9rem 1rem; color: var(--white); }
.artifact-label code { color: #a8d4cc; font: inherit; text-transform: none; }
.budget-artifact img { width: 100%; aspect-ratio: 1.65; object-fit: cover; object-position: center; }
.budget-artifact figcaption { display: grid; grid-template-columns: auto 1fr; gap: 1rem; padding: 1rem; color: var(--white); font-size: .84rem; }
.budget-artifact figcaption b { color: var(--yellow); }

.project-method { margin-top: 4.5rem; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.project-method div { padding: 1.5rem; border-right: 1px solid var(--line); }
.project-method div:last-child { border-right: 0; }
.project-method span { display: block; margin-bottom: .6rem; color: var(--orange); font: 700 .78rem/1 ui-monospace, monospace; text-transform: uppercase; }
.project-method p { margin: 0; }

.workbook-inspection {
  max-width: 70rem;
  margin: 5rem 0 0 auto;
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.workbook-sheet { position: relative; margin: 0; min-width: 0; }
.workbook-sheet img { border: 1px solid var(--line); background: var(--white); }
.workbook-sheet figcaption { max-width: 42rem; margin-top: .7rem; color: var(--ink-soft); font-size: .86rem; }
.sheet-start { grid-column: 1 / 7; }
.sheet-monthly { grid-column: 4 / 11; margin-top: 4rem; }
.sheet-tab {
  display: inline-block;
  padding: .45rem .75rem;
  color: var(--white);
  background: var(--teal-dark);
  font: 700 .72rem/1 ui-monospace, monospace;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.sheet-monthly .sheet-tab { background: var(--orange); }
.formula-note {
  grid-column: 1 / 4;
  grid-row: 2;
  margin-top: 4rem;
  padding: 1.25rem;
  border-left: 4px solid var(--yellow);
  background: #eff4f2;
}
.formula-note p:last-child { margin-bottom: 0; color: var(--ink-soft); font-size: .9rem; }
.formula-note code { font-size: 1rem; font-weight: 750; }
.annotation-index, .map-label { color: var(--teal-dark); font: 700 .72rem/1.4 ui-monospace, monospace; letter-spacing: .07em; text-transform: uppercase; }

.riverside-section {
  padding: clamp(5rem, 10vw, 9rem) max(1.5rem, calc((100vw - 1160px) / 2));
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.riverside-section .section-number { color: var(--orange-bright); }
.riverside-section .project-kicker { color: #a8d4cc; }
.riverside-section .project-kicker span { color: var(--orange-bright); }
.riverside-heading { display: grid; grid-template-columns: minmax(10rem,.45fr) minmax(0,1.55fr); gap: 2rem; align-items: start; margin-bottom: 4rem; }
.riverside-heading h2 { max-width: 16ch; margin-bottom: 0; font-size: clamp(2.7rem, 5.5vw, 5.4rem); }
.riverside-composition { display: grid; grid-template-columns: minmax(0,1.45fr) minmax(18rem,.65fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.browser-artifact { min-width: 0; overflow: hidden; border: 1px solid #789199; background: var(--white); box-shadow: 1.2rem 1.2rem 0 rgba(255,152,103,.28); }
.browser-bar { min-height: 2.8rem; display: flex; align-items: center; gap: .45rem; padding: 0 .85rem; color: var(--ink); background: #dfe7e8; }
.browser-bar i { width: .65rem; height: .65rem; border-radius: 50%; background: var(--orange); }
.browser-bar i:nth-child(2) { background: var(--yellow); }
.browser-bar i:nth-child(3) { background: var(--teal); }
.browser-bar span { margin-left: .6rem; font: 600 .7rem/1 ui-monospace, monospace; }
.browser-artifact > img { width: 100%; aspect-ratio: 1.55; object-fit: cover; object-position: top; background: #f4f2e9; }
.riverside-story > p:not(.project-lead, .project-note) { color: #c7d4d6; }
.riverside-story .project-lead { font-size: 1.1rem; font-weight: 650; }
.riverside-story .project-note { border-color: #567078; color: #c7d4d6; }
.button-light { color: var(--ink); background: var(--yellow); }
.button-light span { margin-left: .5rem; }
.build-ledger { margin: 2rem 0; border-top: 1px solid #567078; }
.build-ledger div { display: grid; grid-template-columns: 6rem 1fr; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid #567078; }
.build-ledger dt { color: var(--orange-bright); font: 700 .74rem/1.5 ui-monospace, monospace; text-transform: uppercase; }
.build-ledger dd { margin: 0; color: #e5eced; font-size: .92rem; }

.study-section { padding: clamp(5rem, 10vw, 9rem) max(1.5rem, calc((100vw - 1160px) / 2)); background: var(--yellow); }
.study-section .section-number { color: #692909; }
.study-intro { display: grid; grid-template-columns: minmax(10rem,.55fr) minmax(16rem,.75fr) minmax(18rem,1fr); gap: 2rem; align-items: start; }
.study-intro h2 { margin-bottom: 0; }
.study-intro .project-kicker, .study-intro .project-kicker span { color: #563013; }
.study-copy { padding-left: 2rem; border-left: 1px solid rgba(21,44,56,.4); }
.study-copy p:last-child { margin-bottom: 0; }
.sequence-heading { max-width: 48rem; margin: 5rem 0 2rem auto; }
.sequence-heading h3 { margin-bottom: .8rem; font-size: clamp(1.8rem, 3vw, 2.6rem); }
.sequence-heading p { margin-bottom: 0; font-size: .9rem; }
.study-flow { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6,1fr); list-style: none; counter-reset: steps; }
.study-flow li { position: relative; min-height: 13rem; padding: 1.2rem 1rem; border: 1px solid rgba(21,44,56,.7); border-right: 0; }
.study-flow li:last-child { border-right: 1px solid rgba(21,44,56,.7); }
.study-flow li::after { content: "→"; position: absolute; right: -.7rem; top: 50%; z-index: 1; width: 1.4rem; display: grid; place-items: center; background: var(--yellow); font-weight: 800; }
.study-flow li:last-child::after { display: none; }
.study-flow span { display: block; margin-bottom: 3rem; font: 800 .76rem/1 ui-monospace, monospace; }
.study-flow p { margin: 0; font-weight: 700; line-height: 1.35; }

.experience-section { padding: clamp(5rem, 10vw, 9rem) max(1.5rem, calc((100vw - 1160px) / 2)); background: var(--paper); }
.experience-heading { display: grid; grid-template-columns: minmax(10rem,.55fr) minmax(20rem,1fr) minmax(16rem,.65fr); gap: 2rem; align-items: end; margin-bottom: 4rem; }
.experience-heading > * { margin-bottom: 0; }
.experience-heading > p:last-child { color: var(--ink-soft); }
.responsibility-ledger { border-top: 2px solid var(--ink); }
.responsibility-ledger article { display: grid; grid-template-columns: 4rem minmax(15rem,.85fr) minmax(18rem,1fr); gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.responsibility-ledger article > p { margin: 0; color: var(--ink-soft); }
.role-index { color: var(--orange); font: 800 .78rem/1.5 ui-monospace, monospace; }
.role-title h3 { margin-bottom: .5rem; font-size: clamp(1.4rem, 2.3vw, 2rem); letter-spacing: -.025em; }
.role-title p { margin-bottom: 0; color: var(--teal-dark); font-size: .85rem; font-weight: 700; }
.role-title span { color: var(--orange); }

.learning-section { padding: clamp(5rem, 10vw, 9rem) max(1.5rem, calc((100vw - 1160px) / 2)); background: var(--white); }
.learning-heading { display: grid; grid-template-columns: minmax(10rem,.45fr) minmax(20rem,1fr) minmax(16rem,.65fr); gap: 2rem; align-items: end; margin-bottom: 4.5rem; }
.learning-heading > * { margin-bottom: 0; }
.learning-heading > p:last-child { color: var(--ink-soft); }
.learning-map { display: grid; grid-template-columns: .75fr 1fr .8fr; gap: 0; border: 1px solid var(--ink); }
.learning-map > * { padding: clamp(1.5rem, 3vw, 2.5rem); border-right: 1px solid var(--line); }
.learning-map > *:last-child { border-right: 0; }
.coursework-block ul { margin: 2rem 0 0; padding: 0; list-style: none; }
.coursework-block li { padding: .8rem 0; border-bottom: 1px solid var(--line); font-weight: 700; }
.learning-records > div + div { margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.learning-records p:not(.map-label) { margin-bottom: .9rem; font-weight: 700; }
.learning-records p span { display: block; color: var(--ink-soft); font-size: .82rem; font-weight: 500; }
.exploration-note { background: #e6efed; }
.exploration-note > p:nth-child(2) { margin: 2rem 0; font-size: clamp(1.3rem, 2vw, 1.75rem); font-weight: 750; line-height: 1.35; }
.exploration-note > p span { color: var(--orange); }
.exploration-note strong { display: block; padding-top: 1.2rem; border-top: 1px solid var(--teal); color: var(--teal-dark); }

.site-footer { padding: 4rem max(1.5rem, calc((100vw - 1160px) / 2)); color: var(--white); background: var(--ink); }
.footer-primary { display: flex; justify-content: space-between; align-items: start; gap: 2rem; margin-bottom: 3rem; }
.footer-name { margin-bottom: .5rem; font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 800; line-height: 1; letter-spacing: -.04em; }
.footer-primary p:last-child { color: #c7d4d6; }
.site-footer .text-link span { color: var(--orange-bright); }
.site-footer > p:not(.fictional-disclosure) { max-width: 48rem; color: #c7d4d6; }
.fictional-disclosure { margin: 2.5rem 0 0; padding: 1.5rem; border: 1px solid #7d949a; color: var(--white); font-size: 1rem; }
.fictional-disclosure strong { color: var(--yellow); }

@media (max-width: 900px) {
  .site-header { align-items: flex-start; padding: 1rem 0; }
  nav { max-width: 22rem; }
  .hero { grid-template-columns: 1fr .72fr; gap: 2rem; }
  h1 { font-size: clamp(3.1rem, 7.5vw, 4.75rem); }
  .section-heading { grid-template-columns: 1fr 2fr; }
  .section-heading > p:last-child { grid-column: 2; }
  .budget-feature { grid-template-columns: 1fr; }
  .riverside-composition { grid-template-columns: 1fr; }
  .riverside-story { max-width: 44rem; }
  .study-intro { grid-template-columns: 1fr 2fr; }
  .study-copy { grid-column: 2; }
  .study-flow { grid-template-columns: repeat(3,1fr); }
  .study-flow li:nth-child(3) { border-right: 1px solid rgba(21,44,56,.7); }
  .study-flow li:nth-child(-n+3) { border-bottom: 0; }
  .study-flow li:nth-child(3)::after { display: none; }
  .experience-heading, .learning-heading { grid-template-columns: 1fr 2fr; }
  .experience-heading > p:last-child, .learning-heading > p:last-child { grid-column: 2; }
  .responsibility-ledger article { grid-template-columns: 3rem 1fr; }
  .responsibility-ledger article > p { grid-column: 2; }
  .learning-map { grid-template-columns: 1fr 1fr; }
  .learning-map > *:nth-child(2) { border-right: 0; }
  .exploration-note { grid-column: 1 / -1; border-top: 1px solid var(--ink); }
}

@media (max-width: 680px) {
  :root { --content: min(100% - 2rem, 38rem); }
  html { scroll-padding-top: 1rem; }
  .site-header { min-height: auto; display: block; }
  .wordmark { margin-bottom: .7rem; }
  nav { display: grid; grid-template-columns: repeat(4, auto); justify-content: space-between; gap: 0; }
  nav a { font-size: .78rem; }
  .hero { padding-top: 3rem; grid-template-columns: 1fr; }
  h1 { max-width: none; font-size: clamp(3rem, 12vw, 4.5rem); }
  .hero-intro { font-size: 1rem; }
  .hero-visual { order: 2; }
  .image-frame { height: 30rem; min-height: 0; }
  .organizing-arc { order: 3; grid-template-columns: 1fr; gap: .7rem; }
  .organizing-arc i { width: 1px; height: 1.2rem; margin-left: .6rem; }
  .work-section { padding-inline: 1rem; }
  .section-heading { grid-template-columns: 1fr; gap: 1rem; }
  .section-heading > p:last-child { grid-column: auto; }
  .budget-artifact { box-shadow: .6rem .6rem 0 var(--yellow); }
  .artifact-label, .budget-artifact figcaption { grid-template-columns: 1fr; display: grid; }
  .project-method { grid-template-columns: 1fr; }
  .project-method div { border-right: 0; border-bottom: 1px solid var(--line); }
  .project-method div:last-child { border-bottom: 0; }
  .workbook-inspection { display: block; }
  .workbook-sheet, .formula-note { margin: 2.5rem 0 0; }
  .riverside-heading, .study-intro, .experience-heading, .learning-heading { grid-template-columns: 1fr; }
  .riverside-heading h2 { overflow-wrap: anywhere; }
  .browser-artifact > img { aspect-ratio: 1.25; }
  .study-copy, .experience-heading > p:last-child, .learning-heading > p:last-child { grid-column: auto; }
  .study-copy { padding: 1.5rem 0 0; border-top: 1px solid rgba(21,44,56,.4); border-left: 0; }
  .sequence-heading { margin-top: 3.5rem; }
  .study-flow { grid-template-columns: 1fr; }
  .study-flow li { min-height: auto; display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; border-right: 1px solid rgba(21,44,56,.7); border-bottom: 0; }
  .study-flow li:nth-child(-n+3) { border-bottom: 0; }
  .study-flow li:last-child { border-bottom: 1px solid rgba(21,44,56,.7); }
  .study-flow li::after { content: "↓"; right: auto; left: 1.85rem; top: auto; bottom: -.7rem; width: 1.4rem; }
  .study-flow li:nth-child(3)::after { display: grid; }
  .study-flow li:last-child::after { display: none; }
  .study-flow span { margin-bottom: 0; }
  .responsibility-ledger article { grid-template-columns: 2rem 1fr; gap: 1rem; }
  .learning-map { grid-template-columns: 1fr; }
  .learning-map > *, .learning-map > *:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .learning-map > *:last-child { border-bottom: 0; }
  .exploration-note { grid-column: auto; border-top: 0; }
  .footer-primary { display: block; }
  .footer-primary .text-link { margin-top: 1rem; }
}

@media (max-width: 400px) {
  nav { grid-template-columns: repeat(2, 1fr); }
  h1 { font-size: 2.9rem; }
  .hero-actions, .project-actions { align-items: stretch; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}