:root {
  --bp-ground: #F5F6E9;
  --bp-ink: #222F25;
  --bp-berry: #822C52;
  --bp-mint: #C5E2DA;
  --bp-surface: #FCFCFA;
  --bp-display: 'Chonburi', Georgia, serif;
  --bp-reading: 'Livvic', 'Trebuchet MS', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; color: var(--bp-ink); background: var(--bp-ground); font: 400 18px/1.65 var(--bp-reading); }
a { color: var(--bp-berry); text-decoration-thickness: 1.5px; text-underline-offset: 5px; transition: color 150ms ease, text-decoration-thickness 150ms ease; }
a:hover { color: var(--bp-ink); text-decoration-thickness: 3px; }
a:focus-visible { outline: 3px solid var(--bp-berry); outline-offset: 6px; }
img { max-width: 100%; display: block; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2 { font-family: var(--bp-display); font-weight: 400; }
h1 { text-wrap: balance; }
h2 { font-size: 36px; line-height: 1.22; }
h3 { font-size: 24px; font-weight: 600; line-height: 1.35; }
p + p { margin-top: 20px; }
[data-lucide], .lucide { display: inline-block; width: 20px; height: 20px; flex: 0 0 auto; vertical-align: -3px; stroke-width: 1.8; }
.bp-skip { position: fixed; left: 20px; top: -100px; z-index: 20; padding: 12px 20px; background: var(--bp-surface); color: var(--bp-ink); }
.bp-skip:focus { top: 16px; }

/* The wordmark rests on the cut-line; the opening holds a vertical reading menu. */
.bp-cutline { position: relative; min-height: 146px; background: var(--bp-mint); overflow: hidden; }
.bp-cutline::before { content: ''; position: absolute; width: 470px; height: 235px; right: 50px; bottom: 0; background: var(--bp-ground); border-radius: 250px 250px 0 0; }
.bp-wordmark { position: absolute; left: 3.8%; bottom: 18px; color: var(--bp-ink); font: 400 clamp(46px, 5.8vw, 86px)/1 var(--bp-display); text-decoration: none; letter-spacing: -2.4px; }
.bp-wordmark:hover { color: var(--bp-berry); text-decoration: none; }
.bp-wordmark:focus-visible { outline-offset: 4px; }
.bp-mast-nav { position: absolute; right: 139px; bottom: 17px; display: flex; flex-direction: column; gap: 3px; }
.bp-mast-nav a { display: flex; align-items: center; gap: 11px; font-size: 16px; font-weight: 600; line-height: 1.55; text-decoration: none; }
.bp-mast-nav a:hover { text-decoration: underline; }
.bp-mast-nav [aria-current=page] { text-decoration: underline; text-decoration-thickness: 3px; }
.bp-mast-nav a:hover svg { transform: translateX(3px); }
.bp-mast-nav svg { transition: transform 150ms ease; }

/* A whole street, rather than a thumbnail. Every word sits on an opaque ground. */
.bp-dawn { position: relative; isolation: isolate; min-height: 680px; overflow: hidden; padding: 36px 0 26px; background: var(--bp-mint); }
.bp-hero-ground { position: relative; z-index: 2; width: 52%; margin-left: 43%; min-height: 300px; padding: 32px 40px 32px 36px; background: var(--bp-ground); border-left: 12px solid var(--bp-mint); box-shadow: 14px 14px 0 var(--bp-berry); }
.bp-hero-ground h1 { max-width: 760px; font-size: clamp(48px, 4.7vw, 70px); line-height: 1.06; letter-spacing: -1.6px; }
.bp-welcome { max-width: 670px; margin-top: 23px; font-size: 19px; line-height: 1.5; }
.bp-aperture-shelf { position: relative; z-index: 3; margin: 40px 6vw 0 9vw; padding: 22px 42px 23px 0; display: grid; grid-template-columns: 160px minmax(0, 1fr); align-items: center; gap: 38px; background: var(--bp-surface); border-bottom: 6px solid var(--bp-mint); box-shadow: 12px 12px 0 var(--bp-berry); }
.bp-aperture { position: relative; left: -22px; display: flex; justify-content: center; align-items: center; width: 160px; height: 160px; padding: 25px; border-radius: 50%; background: var(--bp-berry); color: var(--bp-surface); font-size: 19px; font-weight: 600; text-decoration: none; text-align: center; line-height: 1.25; box-shadow: -10px 10px 0 var(--bp-mint); transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease; }
.bp-aperture:hover { color: var(--bp-surface); background: var(--bp-ink); transform: translate(3px, -3px); box-shadow: -13px 13px 0 var(--bp-mint); text-decoration: none; }
.bp-aperture:focus-visible { outline: 4px solid var(--bp-ink); outline-offset: 7px; }
.bp-aperture-copy { max-width: 900px; font-size: 17px; line-height: 1.6; }
.bp-photographic-sun { position: absolute; z-index: -1; inset: 0; margin: 0; pointer-events: none; }
.bp-photographic-sun img { width: 100%; height: 100%; max-width: none; object-fit: cover; object-position: 28% 45%; }
.bp-photographic-sun::after { content: ''; position: absolute; left: -76px; top: -120px; width: 460px; height: 460px; border: 15px solid var(--bp-ground); border-radius: 50%; }
.bp-dawn-caption { position: relative; z-index: 2; margin: 25px 6vw 0 auto; padding: 9px 15px; max-width: 515px; background: var(--bp-surface); font-size: 14px; line-height: 1.45; }

/* One off-centre sun, three deep rays; the photographs escape their planes. */
.bp-reading-field { position: relative; isolation: isolate; padding: 130px 5vw 120px; overflow: hidden; }
.bp-reading-field::before { content: ''; position: absolute; z-index: -1; left: -30px; top: 65px; width: 390px; height: 390px; border-radius: 50%; background: var(--bp-berry); }
.bp-ray { position: relative; max-width: 1140px; margin-bottom: 130px; padding: 52px 48px 0; background: var(--bp-mint); }
.bp-ray::before { content: ''; position: absolute; z-index: -1; inset: 0; background: var(--bp-mint); transform-origin: -100px 50%; box-shadow: 12px 14px 0 var(--bp-berry); }
.bp-ray:nth-child(1) { margin-left: 19%; }
.bp-ray:nth-child(1)::before { transform: rotate(-4deg); }
.bp-ray:nth-child(2) { margin-left: 7%; margin-right: 9%; background: var(--bp-surface); }
.bp-ray:nth-child(2)::before { background: var(--bp-surface); transform: rotate(3deg); box-shadow: -14px 14px 0 var(--bp-mint); }
.bp-ray:nth-child(3) { margin-left: 17%; margin-bottom: 0; }
.bp-ray:nth-child(3)::before { transform: rotate(-3deg); }
.bp-ray-number { position: absolute; left: -126px; top: 12px; color: var(--bp-berry); font: 400 88px/1 var(--bp-display); }
.bp-ray-number svg, .bp-ray-number i { width: 42px; height: 42px; display: block; margin: 15px auto 0; }
.bp-ray:first-child .bp-ray-number { color: var(--bp-surface); }
.bp-ray-top { display: grid; grid-template-columns: minmax(0, 1fr) 210px; gap: 36px; align-items: start; }
.bp-ray h2 { margin-bottom: 25px; max-width: 640px; }
.bp-ray-prose > p:first-of-type { font-size: 22px; line-height: 1.5; }
.bp-ray-window { margin: 48px -78px 0 0; padding: 10px; background: var(--bp-surface); transform: rotate(4deg); box-shadow: 12px 12px 0 var(--bp-berry); }
.bp-ray-window img { width: 100%; height: 300px; object-fit: cover; object-position: 48% 35%; }
.bp-ray:nth-child(2) .bp-ray-window { transform: rotate(-4deg); box-shadow: 12px 12px 0 var(--bp-mint); }
.bp-ray:nth-child(3) .bp-ray-window { margin-top: 85px; }
.bp-ray-depth { position: relative; margin: 35px -48px 0; padding: 34px 48px 40px; background: var(--bp-surface); border-bottom: 10px solid var(--bp-berry); }
.bp-ray:nth-child(2) .bp-ray-depth { background: var(--bp-ground); }
.bp-ray-depth h3 { margin-bottom: 15px; }
.bp-ray-depth p { max-width: 780px; }

/* Smaller photographic bands carry the same street light into the guides. */
.bp-page-head { position: relative; padding: 27px 5vw 0; margin: 0 auto; isolation: isolate; }
.bp-breadcrumb { position: relative; z-index: 3; font-size: 15px; margin-bottom: 24px; }
.bp-breadcrumb span { margin: 0 9px; }
.bp-title-ground { position: relative; z-index: 2; background: var(--bp-ground); max-width: 920px; padding: 12px 35px 35px 0; }
.bp-title-ground h1 { max-width: 850px; font-size: clamp(38px, 3.7vw, 56px); line-height: 1.14; }
.bp-title-ground p { margin-top: 22px; max-width: 760px; font-size: 20px; line-height: 1.55; }
.bp-page-with-photo .bp-title-ground { max-width: 790px; margin-top: 28px; padding: 33px 38px 38px; border-left: 10px solid var(--bp-mint); box-shadow: 12px 12px 0 var(--bp-berry); }
.bp-inner-photo { position: relative; z-index: -1; margin: -185px -5vw 0; }
.bp-inner-photo img { width: 100%; height: 370px; max-width: none; object-fit: cover; object-position: 50% 43%; }
.bp-inner-photo figcaption { margin: 0 0 0 auto; max-width: 650px; padding: 13px 5vw 13px 25px; font-size: 14px; line-height: 1.5; background: var(--bp-surface); border-left: 7px solid var(--bp-mint); }
.bp-essay-layout { display: grid; grid-template-columns: 220px minmax(0, 780px); column-gap: 130px; max-width: 1350px; margin: 85px auto 110px; padding: 0 5vw; align-items: start; }
.bp-index-rail { position: sticky; top: 35px; padding: 22px 22px 20px; background: var(--bp-surface); box-shadow: -12px 12px 0 var(--bp-mint); border-top: 9px solid var(--bp-berry); }
.bp-index-rail p { margin-bottom: 20px; font: 400 24px/1.2 var(--bp-display); }
.bp-index-rail ol { padding: 0; margin: 0; list-style: none; }
.bp-index-rail li { margin: 15px 0; font-size: 16px; line-height: 1.45; }
.bp-index-rail a { text-decoration: none; }
.bp-index-rail a:hover { text-decoration: underline; }
.bp-essay { min-width: 0; }
.bp-essay-part { position: relative; margin-top: 75px; }
.bp-essay-part:first-child { margin-top: 0; }
.bp-section-marker { position: absolute; top: 0; left: -85px; width: 66px; color: var(--bp-berry); font: 400 42px/1 var(--bp-display); }
.bp-section-marker svg, .bp-section-marker i { display: block; width: 25px; height: 25px; margin: 12px 0 0; }
.bp-essay h2 { margin: 0 0 25px; }
.bp-essay h3 { margin: 32px 0 14px; }
.bp-essay p { max-width: 740px; }
.bp-essay p + p { margin-top: 22px; }
.bp-essay-part > p:first-of-type { font-size: 20px; line-height: 1.65; }
.bp-essay table { width: 100%; border-collapse: collapse; font-size: 16px; line-height: 1.55; margin: 30px 0; }
.bp-essay th { text-align: left; background: var(--bp-berry); color: var(--bp-surface); padding: 16px; font-weight: 600; }
.bp-essay td { padding: 17px 16px; vertical-align: top; background: var(--bp-surface); border-bottom: 5px solid var(--bp-ground); }
.bp-essay td:first-child { width: 27%; background: var(--bp-mint); font-weight: 600; }
.bp-table-wrap { overflow-x: auto; }
.bp-end-light { padding: 46px 5vw 48px; background: var(--bp-mint); position: relative; border-top: 10px solid var(--bp-surface); }
.bp-end-light-inner { max-width: 1300px; margin: auto; display: grid; grid-template-columns: 90px 1fr 1fr; gap: 45px; }
.bp-daymark { width: 90px; height: 70px; }
.bp-footer-note { max-width: 430px; font-size: 16px; line-height: 1.6; }
.bp-footer-links { display: flex; flex-wrap: wrap; align-content: start; gap: 10px 25px; font-size: 16px; }
.bp-footer-links a { white-space: nowrap; }
.bp-copyright { font-size: 14px; margin-top: 22px; }
.bp-missing-page { max-width: 820px; margin: 0 auto; padding: 80px 25px 130px; }
.bp-missing-page h1 { font-size: 54px; line-height: 1.2; margin-bottom: 25px; }
.bp-missing-page p { margin: 25px 0; }

/* One gentle photo arrival; text has no entrance animation or hidden state. */
@keyframes bp-sun-rise { from { transform: translateY(8px) scale(1.015); } to { transform: translateY(0) scale(1); } }
.bp-photographic-sun img { animation: bp-sun-rise 700ms ease-out both; }
@media (min-width: 1600px) {
  .bp-dawn { min-height: 730px; padding-top: 48px; }
  .bp-hero-ground { max-width: 900px; min-height: 325px; }
  .bp-aperture-shelf { max-width: 1400px; }
}
@media (max-width: 1100px) {
  .bp-cutline { min-height: 140px; }
  .bp-cutline::before { width: 330px; height: 165px; right: 20px; }
  .bp-mast-nav { right: 80px; }
  .bp-wordmark { font-size: 53px; letter-spacing: -1.6px; }
  .bp-hero-ground { width: 60%; margin-left: 35%; padding: 30px; min-height: 330px; }
  .bp-hero-ground h1 { font-size: 48px; }
  .bp-welcome { font-size: 18px; }
  .bp-aperture-shelf { margin-left: 8vw; margin-right: 5vw; gap: 18px; padding-right: 26px; }
  .bp-essay-layout { grid-template-columns: 190px minmax(0, 1fr); column-gap: 95px; }
  .bp-index-rail { padding-left: 15px; padding-right: 15px; }
  .bp-section-marker { left: -75px; font-size: 38px; }
  .bp-ray { padding: 38px 36px 0; }
  .bp-ray-top { grid-template-columns: minmax(0, 1fr) 165px; gap: 25px; }
  .bp-ray-window { margin-right: -53px; }
  .bp-ray-window img { height: 250px; }
  .bp-ray h2 { font-size: 31px; }
  .bp-ray-depth { margin-left: -36px; margin-right: -36px; padding: 30px 36px; }
  .bp-ray-number { left: -85px; font-size: 62px; }
  .bp-end-light-inner { gap: 25px; grid-template-columns: 75px 1fr 1fr; }
}
@media (max-width: 700px) {
  body { font-size: 17px; line-height: 1.65; }
  .bp-cutline { min-height: 108px; }
  .bp-cutline::before { width: 145px; height: 84px; right: -7px; border-radius: 100px 100px 0 0; }
  .bp-wordmark { left: 18px; bottom: 23px; max-width: 215px; font-size: 30px; line-height: 1.05; letter-spacing: -1px; }
  .bp-mast-nav { right: 13px; bottom: 13px; gap: 4px; }
  .bp-mast-nav a { font-size: 13px; line-height: 1.55; gap: 5px; }
  .bp-mast-nav svg, .bp-mast-nav [data-lucide] { width: 13px; height: 13px; }
  .bp-dawn { min-height: 0; padding: 0; display: flex; flex-direction: column; background: var(--bp-ground); }
  .bp-hero-ground { width: 100%; margin: 0; padding: 24px 18px 20px; min-height: 0; border: 0; box-shadow: none; }
  .bp-hero-ground h1 { font-size: 28px; line-height: 1.18; letter-spacing: -0.35px; text-wrap: pretty; }
  .bp-welcome { margin-top: 16px; font-size: 17px; line-height: 1.5; }
  .bp-aperture-shelf { margin: 0; padding: 0 18px 20px; grid-template-columns: 112px minmax(0, 1fr); align-items: start; gap: 17px; background: var(--bp-ground); border: 0; box-shadow: none; }
  .bp-aperture { left: 0; width: 112px; height: 112px; padding: 14px; font-size: 16px; line-height: 1.2; box-shadow: -5px 5px 0 var(--bp-mint); margin-top: 5px; }
  .bp-aperture-copy { font-size: 16px; line-height: 1.42; }
  .bp-photographic-sun { position: relative; z-index: 0; width: 100%; height: 220px; inset: auto; margin: 0; flex: 0 0 auto; overflow: hidden; }
  .bp-photographic-sun img { width: 100%; height: 100%; object-position: 28% 35%; }
  .bp-photographic-sun::after { width: 90px; height: 90px; left: -18px; top: -22px; border-width: 7px; }
  .bp-dawn-caption { margin: 0 0 0 35px; padding: 13px 18px; max-width: none; font-size: 13px; line-height: 1.5; border-left: 6px solid var(--bp-mint); }
  .bp-reading-field { padding: 40px 0 0; overflow: hidden; }
  .bp-reading-field::before { display: none; }
  .bp-ray, .bp-ray:nth-child(1), .bp-ray:nth-child(2), .bp-ray:nth-child(3) { margin: 0; width: 100%; padding: 30px 22px 0; }
  .bp-ray::before { display: none; }
  .bp-ray-number { position: static; display: flex; gap: 14px; align-items: center; font-size: 52px; margin-bottom: 22px; color: var(--bp-berry); }
  .bp-ray:first-child .bp-ray-number { color: var(--bp-berry); }
  .bp-ray-number svg, .bp-ray-number i { display: inline-block; width: 30px; height: 30px; margin: 0; }
  .bp-ray-top { display: flex; flex-direction: column; gap: 26px; }
  .bp-ray h2 { font-size: 29px; margin-bottom: 22px; }
  .bp-ray-prose > p:first-of-type { font-size: 20px; }
  .bp-ray-window, .bp-ray:nth-child(3) .bp-ray-window { width: calc(100% - 24px); margin: 0 0 12px 12px; padding: 8px; transform: rotate(2deg); box-shadow: 8px 8px 0 var(--bp-berry); }
  .bp-ray:nth-child(2) .bp-ray-window { transform: rotate(-2deg); box-shadow: 8px 8px 0 var(--bp-mint); }
  .bp-ray-window img { width: 100%; height: 200px; }
  .bp-ray-depth { margin: 24px -22px 0; padding: 28px 22px 36px; border-bottom-width: 8px; }
  .bp-ray-depth h3 { font-size: 22px; }
  .bp-page-head { padding: 23px 20px 0; }
  .bp-breadcrumb { font-size: 14px; margin-bottom: 25px; }
  .bp-title-ground, .bp-page-with-photo .bp-title-ground { max-width: none; margin: 0; padding: 0; border: 0; box-shadow: none; }
  .bp-title-ground h1 { font-size: 32px; line-height: 1.2; letter-spacing: -0.4px; }
  .bp-title-ground p { font-size: 18px; line-height: 1.6; margin-top: 20px; }
  .bp-inner-photo { z-index: 0; margin: 25px -20px 0; }
  .bp-inner-photo img { height: 230px; }
  .bp-inner-photo figcaption { margin: -18px 0 0 28px; padding: 12px 18px; font-size: 13px; position: relative; border-left-width: 6px; }
  .bp-essay-layout { display: flex; flex-direction: column; margin: 36px auto 65px; padding: 0 20px; gap: 42px; }
  .bp-index-rail { position: static; width: calc(100% - 9px); margin-left: 9px; padding: 19px 20px 10px; border-top-width: 7px; box-shadow: -9px 9px 0 var(--bp-mint); }
  .bp-index-rail p { font-size: 23px; margin-bottom: 14px; }
  .bp-index-rail li { margin: 13px 0; font-size: 16px; }
  .bp-essay { width: 100%; }
  .bp-essay-part { margin-top: 48px; }
  .bp-section-marker { position: static; display: flex; align-items: center; gap: 15px; width: auto; font-size: 42px; margin-bottom: 16px; }
  .bp-section-marker svg, .bp-section-marker i { margin: 0; }
  .bp-essay h2 { font-size: 28px; margin: 0 0 22px; }
  .bp-essay h3 { font-size: 22px; }
  .bp-essay-part > p:first-of-type { font-size: 18px; }
  .bp-essay table { table-layout: fixed; font-size: 16px; }
  .bp-essay th, .bp-essay td { padding: 10px 8px; overflow-wrap: anywhere; }
  .bp-essay td:first-child { width: 28%; }
  .bp-end-light { padding: 35px 22px; }
  .bp-end-light-inner { grid-template-columns: 1fr; gap: 22px; }
  .bp-daymark { width: 82px; height: 62px; }
  .bp-footer-links { gap: 14px 23px; }
  .bp-copyright { margin-top: 17px; }
  .bp-missing-page { padding: 50px 22px 80px; }
  .bp-missing-page h1 { font-size: 34px; }
}
@media (max-width: 360px) {
  .bp-wordmark { max-width: 180px; font-size: 27px; }
  .bp-mast-nav { right: 10px; }
  .bp-aperture-shelf { gap: 13px; padding-left: 15px; padding-right: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}