@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT@9..144,300..800,0..100&family=Source+Serif+4:opsz,wght@8..60,300..700&display=swap');

:root {
  --bg:            #f7f3ec;
  --bg-alt:        #efeadf;
  --ink:           #1b1c1a;
  --ink-soft:      #3b3d39;
  --ink-muted:     #6c6e68;
  --rule:          #d9d2c3;
  --accent:        #3a5848;
  --accent-deep:   #2b4235;
  --highlight:     #d4a574;

  --serif-display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --serif-body:    "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;

  --measure:       48rem;
  --measure-wide:  48rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding-left: 1.25em; }
img { max-width: 100%; display: block; }
a { color: inherit; }

html {
  font-size: 17px;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif-body);
  font-weight: 400;
  line-height: 1.6;
  font-feature-settings: "onum", "kern", "liga";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(rgba(60, 50, 30, 0.035) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: 0.6;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 243, 236, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}

.site-nav__inner {
  max-width: 64rem;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.site-nav__brand {
  font-family: var(--serif-display);
  font-variation-settings: "opsz" 144, "wght" 500, "SOFT" 20;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
  white-space: nowrap;
}

.site-nav__brand span {
  color: var(--ink-muted);
  font-variation-settings: "opsz" 144, "wght" 400, "SOFT" 20;
  font-style: italic;
}

.site-nav__links {
  display: flex;
  gap: 1.6rem;
  font-family: var(--serif-body);
  font-size: 0.92rem;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.site-nav__links a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.site-nav__links a:hover,
.site-nav__links a[aria-current="page"] {
  color: var(--accent-deep);
  border-bottom-color: var(--accent);
}

.site-nav__links a:focus-visible {
  color: var(--accent-deep);
  border-bottom-color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

main {
  position: relative;
  z-index: 1;
  max-width: 64rem;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 6rem;
}

.prose {
  max-width: var(--measure);
  margin: 0 auto;
}

h1, h2, h3, h4 {
  font-family: var(--serif-display);
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  font-variation-settings: "opsz" 144, "wght" 500, "SOFT" 30;
  margin-bottom: 0.75rem;
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2rem);
  font-variation-settings: "opsz" 100, "wght" 500, "SOFT" 20;
  margin-top: 3rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.2rem;
  font-variation-settings: "opsz" 30, "wght" 600, "SOFT" 10;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  color: var(--ink-soft);
}

p {
  margin-bottom: 1em;
  font-variation-settings: "opsz" 14;
}

.prose p + p {
  margin-top: 0;
}

.prose a {
  color: var(--accent-deep);
  text-decoration: underline;
  text-decoration-color: rgba(58, 88, 72, 0.35);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: text-decoration-color 0.15s ease;
}

.prose a:hover {
  text-decoration-color: var(--accent);
}

.prose a:focus-visible {
  text-decoration-color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.prose ul, .prose ol {
  margin-bottom: 1.2em;
  padding-left: 1.4em;
}

.prose li {
  margin-bottom: 0.35em;
}

.prose li::marker {
  color: var(--ink-muted);
}

.page-header {
  max-width: var(--measure-wide);
  margin: 0 auto 3.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--rule);
}

.page-header__eyebrow {
  font-family: var(--serif-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.page-header__eyebrow::before {
  content: "";
  display: inline-block;
  width: 2rem;
  height: 1px;
  background: var(--ink-muted);
}

.page-header__lede {
  font-family: var(--serif-display);
  font-variation-settings: "opsz" 144, "wght" 300, "SOFT" 40;
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  color: var(--ink-soft);
  line-height: 1.45;
  max-width: 44rem;
  font-style: italic;
  margin-top: 1rem;
}

.section-number {
  font-family: var(--serif-display);
  font-variation-settings: "opsz" 144, "wght" 300, "SOFT" 50;
  font-size: 0.95rem;
  color: var(--highlight);
  display: inline-block;
  margin-right: 0.6rem;
  font-feature-settings: "lnum";
}

.section-number::before {
  content: "§ ";
  color: var(--ink-muted);
}

.meta-panel {
  background: var(--bg-alt);
  border-left: 2px solid var(--accent);
  padding: 1.4rem 1.6rem;
  margin: 2rem 0 2.5rem;
  font-size: 0.95rem;
}

.meta-panel dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.45rem 1.4rem;
  margin: 0;
}

.meta-panel dt {
  font-family: var(--serif-body);
  font-weight: 600;
  color: var(--ink-muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-top: 0.45rem;
}

.meta-panel dd {
  margin: 0;
  color: var(--ink-soft);
}

.meta-panel a {
  color: var(--accent-deep);
  text-decoration: underline;
  text-decoration-color: rgba(58, 88, 72, 0.35);
  text-underline-offset: 2px;
}

.meta-panel .outcome-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.home-intro {
  max-width: var(--measure-wide);
  margin: 0 auto 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--rule);
}

.home-intro__name {
  font-family: var(--serif-display);
  font-variation-settings: "opsz" 144, "wght" 500, "SOFT" 60;
  font-size: clamp(2.6rem, 7vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}

.home-intro__name em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "wght" 400, "SOFT" 80;
  color: var(--accent-deep);
}

.home-intro__subtitle {
  font-family: var(--serif-body);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}

.contents {
  max-width: var(--measure-wide);
  margin: 3rem auto 5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.contents__item {
  padding: 1.8rem 1.6rem 2rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  color: var(--ink);
  transition: background 0.15s ease;
  display: block;
}

.contents__item:nth-last-child(-n+2) { border-bottom: none; }
.contents__item:nth-child(2n) { border-right: none; }

.contents__item:hover {
  background: var(--bg-alt);
}

.contents__item:focus-visible {
  background: var(--bg-alt);
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.contents__item-num {
  font-family: var(--serif-display);
  font-variation-settings: "opsz" 144, "wght" 300, "SOFT" 50;
  font-size: 0.8rem;
  color: var(--highlight);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.6rem;
  font-feature-settings: "lnum";
}

.contents__item-num::before {
  content: "§ ";
  color: var(--ink-muted);
}

.contents__item-title {
  display: block;
  font-family: var(--serif-display);
  font-variation-settings: "opsz" 72, "wght" 500, "SOFT" 20;
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 0.5rem;
}

.contents__item-desc {
  display: block;
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

@media (max-width: 42em) {
  .contents { grid-template-columns: 1fr; }
  .contents__item {
    border-right: none;
    border-bottom: 1px solid var(--rule);
  }
  .contents__item:nth-last-child(-n+2) { border-bottom: 1px solid var(--rule); }
  .contents__item:last-child { border-bottom: none; }
}

.page-end {
  max-width: var(--measure-wide);
  margin: 5rem auto 0;
  padding-top: 3rem;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.page-end__link {
  text-decoration: none;
  color: var(--ink-soft);
  max-width: 22rem;
}

.page-end__link--next { text-align: right; margin-left: auto; }

.page-end__label {
  font-family: var(--serif-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  display: block;
  margin-bottom: 0.4rem;
}

.page-end__title {
  font-family: var(--serif-display);
  font-variation-settings: "opsz" 72, "wght" 500, "SOFT" 20;
  font-size: 1.2rem;
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}

.page-end__link:hover .page-end__title {
  border-bottom-color: var(--accent);
}

.page-end__link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.page-end__link:focus-visible .page-end__title {
  border-bottom-color: var(--accent);
}

.site-footer {
  position: relative;
  z-index: 1;
  max-width: 64rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  border-top: 1px solid var(--rule);
  font-size: 0.85rem;
  color: var(--ink-muted);
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-footer a {
  color: var(--ink-soft);
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-underline-offset: 2px;
}

.site-footer a:hover {
  text-decoration-color: var(--accent);
}

.video-frame {
  position: relative;
  width: 100%;
  max-width: var(--measure-wide);
  margin: 2rem auto 2.5rem;
  aspect-ratio: 16 / 9;
  background: var(--ink);
  border: 1px solid var(--rule);
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.prose code {
  font-family: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Consolas, monospace;
  font-size: 0.88em;
  background: var(--bg-alt);
  padding: 0.1em 0.4em;
  border-radius: 2px;
  color: var(--accent-deep);
}

figure {
  margin: 2.5rem 0;
}

figure img {
  border: 1px solid var(--rule);
  background: var(--bg-alt);
}

figcaption {
  font-family: var(--serif-body);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--ink-muted);
  text-align: center;
  margin-top: 0.8rem;
  line-height: 1.5;
}

.screenshot-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin: 2.5rem 0;
}

@media (max-width: 40em) {
  .screenshot-pair { grid-template-columns: 1fr; }
}

.screenshot-pair img {
  width: 100%;
  height: auto;
}

.screenshot-pair figcaption {
  text-align: left;
  font-style: normal;
}

.single-screenshot {
  margin: 2.5rem auto;
  max-width: 22rem;
}

.single-screenshot img {
  width: 100%;
  height: auto;
}

.single-screenshot figcaption {
  text-align: left;
  font-size: 0.88rem;
  line-height: 1.55;
  margin-top: 0.8rem;
  color: var(--ink-soft);
  font-style: normal;
}

.outcome-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.outcome-list li {
  font-family: var(--serif-body);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--bg-alt);
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  margin-bottom: 0;
}

.prose > .dropcap::first-letter {
  font-family: var(--serif-display);
  font-variation-settings: "opsz" 144, "wght" 500, "SOFT" 40;
  font-size: 3.6em;
  float: left;
  line-height: 0.85;
  padding-right: 0.12em;
  padding-top: 0.08em;
  color: var(--accent-deep);
}

.center { text-align: center; }
.muted { color: var(--ink-muted); }
.small { font-size: 0.9rem; }

@media print {
  body::before { display: none; }
  .site-nav, .site-footer, .page-end { display: none; }
  body { background: white; color: black; }
  main { padding: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}