:root {
  --bb-ground: #fbe9e7;
  --bb-ink: #1c2c28;
  --bb-accent: #317d6a;
  --bb-support: #c3e2c1;
  --bb-white: #fff;
  --bb-reading: "Faustina", Georgia, serif;
  --bb-sign: "Gabarito", "Trebuchet MS", sans-serif;
}
* { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
body { margin: 0; background: var(--bb-ground); color: var(--bb-ink); font: 19px/1.6 var(--bb-reading); }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 5px; }
a:hover { text-decoration-thickness: 3px; }
a:focus-visible { outline: 3px solid var(--bb-accent); outline-offset: 5px; }
svg { display: block; }
::selection { background: var(--bb-support); color: var(--bb-ink); }
.bb-boundary { width: calc(100% - 160px); max-width: 1280px; margin-inline: auto; }
.bb-skip { position: absolute; z-index: 20; left: 20px; top: -120px; background: var(--bb-white); padding: 12px 20px; font: 18px var(--bb-sign); }
.bb-skip:focus { top: 12px; }

/* The masthead is a blunt fork, rather than a row of controls. */
.bb-top { padding-top: 19px; height: 132px; }
.bb-signpost { position: relative; height: 100px; max-width: 950px; margin: auto; font-family: var(--bb-sign); }
.bb-signpost::before { content: ""; position: absolute; left: calc(50% - 3px); top: 1px; height: 65px; width: 6px; background: var(--bb-accent); }
.bb-route-upper { position: absolute; left: 14%; top: 0; width: 36%; border-bottom: 6px solid var(--bb-accent); padding-bottom: 3px; }
.bb-route-lower { position: absolute; left: 50%; top: 31px; width: 47%; border-top: 6px solid var(--bb-accent); display: flex; gap: 28px; padding: 4px 0 0 28px; }
.bb-route-upper a, .bb-route-lower a { font-size: 17px; text-decoration: none; white-space: nowrap; padding: 2px 5px; transition: background-color .18s; }
.bb-route-upper a:hover, .bb-route-lower a:hover { background: var(--bb-support); text-decoration: underline; }
.bb-brand { position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); font-size: 29px; font-weight: 700; line-height: 1.2; white-space: nowrap; text-decoration: none; }
.bb-brand:hover { text-decoration: underline; }

/* A full-width photograph, with the solid stepped edge of a rose canopy. */
.bb-opening { position: relative; isolation: isolate; background: var(--bb-support); }
.bb-hero-photo { position: absolute; z-index: -2; inset: 0; background-size: max(115%, 1100px) auto; background-position: left 51%; }
.bb-hero-inner { position: relative; padding-block: 34px 64px; }
.bb-canopy-label { position: relative; isolation: isolate; width: 736px; margin-left: -40px; padding: 32px 40px 36px; }
.bb-canopy-label::before { content: ""; position: absolute; z-index: -1; inset: 0 -40px 0 0; background: var(--bb-ground); clip-path: polygon(0 0, 100% 0, 100% 36%, 95% 36%, 95% 100%, 0 100%); }
.bb-canopy-label::after { content: ""; position: absolute; top: 0; left: 0; right: -40px; height: 8px; background: var(--bb-accent); }
.bb-home-title { max-width: 670px; margin: 0; font: 600 72px/1.01 var(--bb-sign); letter-spacing: -.04em; }
.bb-root-copy { width: 550px; max-width: 100%; margin-top: 24px; }
.bb-welcome { margin: 0 0 24px; font: 22px/1.38 var(--bb-reading); }
.bb-open-hem { padding: 4px 0 18px 22px; border-left: 12px solid var(--bb-support); border-bottom: 10px solid var(--bb-support); }
.bb-open-hem p { margin: 0; font: 17px/1.46 var(--bb-sign); color: var(--bb-ink); }
.bb-fan-ledge { position: absolute; inset: auto 0 -53px; pointer-events: none; }
.bb-photo-fan { position: relative; height: 222px; width: 440px; margin-left: auto; filter: drop-shadow(12px 12px 0 var(--bb-support)); transform-origin: 50% 100%; animation: bb-unfold .8s cubic-bezier(.2,.7,.2,1) both; }
.bb-photo-fan::before { content: ""; position: absolute; inset: -12px -12px -7px; background: var(--bb-ground); border-radius: 45% 45% 14% 14%; clip-path: polygon(0 0, 50% 19%, 100% 0, 80% 88%, 50% 100%, 20% 88%); }
.bb-wing { position: absolute; top: 0; width: calc(50% - 14px); height: 100%; background-color: var(--bb-support); background-size: 460px 307px; background-repeat: no-repeat; }
.bb-wing-left { left: 0; border-radius: 56% 23% 0 13%; clip-path: polygon(0 0, 100% 15%, 100% 100%, 37% 83%); background-position: 13% 48%; }
.bb-wing-right { right: 0; border-radius: 23% 56% 13% 0; clip-path: polygon(0 15%, 100% 0, 63% 83%, 0 100%); background-position: 86% 48%; }
.bb-umbrella-tip { position: absolute; left: calc(50% - 3px); top: 36%; width: 7px; height: 63px; transform: rotate(18deg); background: var(--bb-ink); border-radius: 80% 80% 0 0; }
.bb-umbrella-tip::after { content: ""; position: absolute; top: 13px; left: -11px; height: 17px; width: 30px; background: var(--bb-ink); border-radius: 100% 100% 0 0; clip-path: polygon(50% 0, 100% 100%, 0 100%); }
@keyframes bb-unfold { from { transform: translateY(9px) rotate(-3deg); } to { transform: translateY(0) rotate(0); } }

/* Two unequal reading branches. The second leaves the first one's baseline. */
.bb-choose { padding-block: 96px 106px; background: var(--bb-white); }
.bb-choose h2 { max-width: 830px; margin: 0; font: 500 54px/1.06 var(--bb-sign); letter-spacing: -.03em; }
.bb-root-explanation { margin: 20px 0 0; max-width: 680px; font-size: 22px; }
.bb-browse-fork { margin-top: 28px; width: 100%; height: 76px; object-fit: fill; }
.bb-two-paths { display: grid; grid-template-columns: 1.12fr .88fr; gap: 100px; align-items: start; }
.bb-essay { position: relative; min-width: 0; }
.bb-essay-left { padding: 24px 0 0 28px; border-left: 8px solid var(--bb-accent); }
.bb-essay-right { margin-top: 80px; padding: 32px; background: var(--bb-support); border-top: 8px solid var(--bb-accent); box-shadow: 16px 16px 0 var(--bb-ground); }
.bb-essay-right::before { content: ""; position: absolute; left: -32px; top: -8px; height: 8px; width: 32px; background: var(--bb-accent); }
.bb-branch-title { display: grid; grid-template-columns: 65px 1fr; gap: 18px; align-items: start; }
.bb-branch-title > span { font: 500 104px/.8 var(--bb-sign); color: var(--bb-accent); margin-top: -7px; }
.bb-branch-title h3, .bb-accountability h2 { margin: 0 0 29px; font: 500 37px/1.08 var(--bb-sign); letter-spacing: -.025em; }
.bb-essay p { margin: 0 0 22px; font-size: 21px; line-height: 1.57; }
.bb-topic-links { margin-top: 29px; display: grid; }
.bb-topic-link { display: flex; gap: 12px; align-items: center; padding: 15px 4px; border-bottom: 3px solid var(--bb-accent); font: 18px/1.3 var(--bb-sign); text-decoration: none; transition: background-color .18s, transform .18s; }
.bb-topic-link:hover { background: var(--bb-ground); transform: translateX(4px); text-decoration: underline; }
.bb-topic-link svg, .bb-marker svg, i[data-lucide] { width: 22px; height: 22px; flex: 0 0 22px; stroke-width: 1.7; }
i[data-lucide] { display: inline-block; position: relative; }
i[data-lucide]::before { content: ""; position: absolute; left: 5px; top: 3px; width: 11px; height: 15px; border-left: 2px solid currentColor; border-bottom: 2px solid currentColor; }
i[data-lucide]::after { content: ""; position: absolute; left: 5px; top: 3px; width: 11px; height: 6px; border-bottom: 2px solid currentColor; }
.bb-accountability { background: var(--bb-support); padding: 79px 0 84px; border-top: 12px solid var(--bb-accent); }
.bb-accountability-inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.bb-accountability .bb-branch-title { grid-template-columns: 82px 1fr; }
.bb-accountability .bb-branch-title > span { font-size: 136px; }
.bb-accountability h2 { font-size: 43px; }
.bb-accountability p { margin: 0 0 22px; font-size: 21px; }
.bb-second-fork { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; border-top: 8px solid var(--bb-accent); margin-top: 31px; padding-top: 20px; }
.bb-second-fork .bb-topic-link { align-items: start; border: 0; background: var(--bb-white); padding: 19px 16px; box-shadow: 6px 6px 0 var(--bb-accent); }
.bb-second-fork .bb-topic-link:hover { background: var(--bb-ground); transform: translateY(-3px); }

/* Photo-led article heads, followed by open white reading ground. */
.bb-guide-masthead { border-top: 8px solid var(--bb-accent); }
.bb-page-opening { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 65px; align-items: center; padding-block: 48px 55px; }
.bb-page-opening.bb-without-photo { display: block; max-width: 1000px; padding-block: 51px 58px; }
.bb-marker { display: flex; gap: 10px; align-items: center; font: 17px/1.3 var(--bb-sign); margin: 0 0 23px; }
.bb-guide-title { font: 500 60px/1.04 var(--bb-sign); letter-spacing: -.035em; margin: 0; }
.bb-page-deck { font-size: 23px; line-height: 1.4; margin: 25px 0 0; max-width: 650px; }
.bb-small-scene { position: relative; isolation: isolate; margin: 18px -24px -36px -12px; padding-bottom: 12px; }
.bb-small-scene::before { content: ""; position: absolute; z-index: -1; inset: 19px -14px 53px 18px; background: var(--bb-support); border-radius: 120px 0 80px 0; clip-path: polygon(0 0, 100% 0, 91% 100%, 5% 100%); }
.bb-photo-band { width: 100%; height: 305px; background-color: var(--bb-support); background-size: cover; background-position: center; border-radius: 120px 0 80px 0; clip-path: polygon(0 0, 100% 0, 91% 100%, 5% 100%); transform: rotate(-2deg); }
.bb-small-scene figcaption { margin: 24px 0 0 32px; max-width: 340px; font: 16px/1.4 var(--bb-sign); }
.bb-reading-surface { background: var(--bb-white); }
.bb-reading-layout { display: grid; grid-template-columns: minmax(0, 730px) 240px; gap: 115px; padding-block: 78px 90px; justify-content: center; align-items: start; }
.bb-reading { min-width: 0; }
.bb-reading h2 { font: 500 35px/1.14 var(--bb-sign); letter-spacing: -.018em; margin: 58px 0 22px; }
.bb-reading h2:first-child { margin-top: 0; }
.bb-reading h3 { font: 500 26px/1.2 var(--bb-sign); margin: 32px 0 16px; }
.bb-reading p { font-size: 21px; margin: 0 0 23px; }
.bb-reading ul { padding-left: 25px; }
.bb-reading li { padding-left: 4px; margin-bottom: 14px; font-size: 21px; }
.bb-reading li::marker { color: var(--bb-accent); }
.bb-reading blockquote { border-left: 8px solid var(--bb-support); margin: 30px 0 30px -30px; padding-left: 25px; }
.bb-reading blockquote p { font-size: 25px; }
.bb-leaf-note { position: sticky; top: 35px; margin-top: 47px; padding: 25px 22px 28px; border-top: 8px solid var(--bb-accent); font-family: var(--bb-sign); background: var(--bb-support); box-shadow: 13px 13px 0 var(--bb-ground); }
.bb-leaf-note::before { content: ""; position: absolute; left: -30px; top: -8px; height: 8px; width: 30px; background: var(--bb-accent); }
.bb-leaf-note::after { content: ""; position: absolute; left: -30px; top: -8px; height: 44px; width: 8px; background: var(--bb-accent); }
.bb-leaf-note h2 { font-size: 22px; line-height: 1.2; font-weight: 500; margin: 0 0 16px; }
.bb-leaf-note a { display: block; font-size: 17px; line-height: 1.4; padding-block: 11px; transition: background-color .18s; }
.bb-leaf-note a:hover { background: var(--bb-ground); }
.bb-leaf-note p { font: 17px/1.45 var(--bb-sign); margin: 18px 0 0; }
.bb-bottom { padding-block: 42px 28px; border-top: 8px solid var(--bb-accent); font: 17px/1.5 var(--bb-sign); }
.bb-footer-row { display: flex; justify-content: space-between; gap: 40px; align-items: start; }
.bb-footer-row p { max-width: 660px; margin: 0; }
.bb-footer-links { display: flex; gap: 24px; }
.bb-copyright { margin: 27px 0 0; font-size: 16px; }
.bb-lost { padding: 45px 0 90px; max-width: 900px; }
.bb-lost h1 { margin: 0 0 25px; font: 500 64px/1.06 var(--bb-sign); }
.bb-lost p { max-width: 600px; }

@media (min-width: 1600px) {
  .bb-hero-photo { background-position: left 48%; }
  .bb-canopy-label { width: 770px; }
  .bb-home-title { font-size: 76px; }
}
@media (max-width: 1100px) {
  .bb-boundary { width: calc(100% - 80px); }
  .bb-canopy-label { width: 620px; margin-left: -20px; padding-inline: 28px; }
  .bb-canopy-label::before { right: -18px; }
  .bb-canopy-label::after { right: -18px; }
  .bb-home-title { font-size: 62px; }
  .bb-root-copy { width: 490px; }
  .bb-welcome { font-size: 21px; }
  .bb-photo-fan { height: 178px; width: 345px; }
  .bb-wing { background-size: 370px 247px; }
  .bb-two-paths { gap: 62px; }
  .bb-branch-title { grid-template-columns: 52px 1fr; gap: 12px; }
  .bb-branch-title > span { font-size: 84px; }
  .bb-branch-title h3 { font-size: 32px; }
  .bb-essay-right { padding: 27px; }
  .bb-accountability-inner { gap: 50px; }
  .bb-accountability .bb-branch-title { display: block; }
  .bb-accountability .bb-branch-title > span { display: block; margin-bottom: 20px; }
  .bb-accountability h2 { font-size: 37px; }
  .bb-guide-title { font-size: 48px; }
  .bb-page-opening { gap: 32px; }
  .bb-photo-band { height: 285px; }
  .bb-small-scene { margin-inline: 0 -12px; }
  .bb-reading-layout { grid-template-columns: minmax(0, 1fr) 210px; gap: 65px; }
}
@media (min-width: 701px) and (max-width: 850px) {
  .bb-canopy-label { width: 540px; }
  .bb-home-title { font-size: 57px; }
  .bb-root-copy { width: 435px; }
  .bb-photo-fan { width: 300px; height: 155px; }
  .bb-two-paths { gap: 45px; }
  .bb-essay-left { padding-left: 20px; }
  .bb-essay-right { padding: 22px; }
  .bb-branch-title { display: block; }
  .bb-branch-title > span { display: block; margin-bottom: 20px; }
}
@media (max-width: 700px) {
  .bb-boundary { width: calc(100% - 36px); }
  .bb-top { padding-top: 12px; height: 97px; }
  .bb-signpost { height: 85px; }
  .bb-signpost::before { top: 0; height: 48px; width: 4px; left: calc(50% - 2px); }
  .bb-route-upper { left: 5%; width: 45%; border-width: 3px; top: 0; padding-bottom: 1px; line-height: 1.35; }
  .bb-route-lower { left: 50%; top: 25px; width: 50%; border-width: 3px; gap: 12px; padding: 3px 0 0 8px; line-height: 1.3; }
  .bb-route-upper a, .bb-route-lower a { font-size: 13px; padding: 0; }
  .bb-brand { font-size: 23px; bottom: 4px; }
  .bb-opening { display: flex; flex-direction: column; }
  .bb-hero-inner { width: 100%; margin: 0; padding: 0; }
  .bb-canopy-label { width: 100%; margin: 0; padding: 25px 18px 38px; }
  .bb-canopy-label::before { inset: 0; clip-path: none; }
  .bb-canopy-label::after { height: 5px; right: 18px; left: 18px; }
  .bb-home-title { max-width: 354px; font-size: 30px; line-height: 1.04; letter-spacing: -.025em; }
  .bb-root-copy { width: 100%; margin-top: 18px; }
  .bb-welcome { font: 19px/1.4 var(--bb-reading); margin-bottom: 18px; }
  .bb-open-hem { padding: 3px 0 16px 17px; border-left-width: 9px; border-bottom-width: 8px; }
  .bb-open-hem p { font-size: 16px; line-height: 1.43; }
  .bb-hero-photo { position: relative; z-index: 0; inset: auto; height: 176px; width: 100%; background-size: cover; background-position: center 45%; }
  .bb-hero-photo::before { content: ""; position: absolute; width: 50%; top: -16px; height: 16px; background: var(--bb-ground); }
  .bb-fan-ledge { width: calc(100% - 36px); bottom: -20px; z-index: 1; }
  .bb-photo-fan { height: 80px; width: 240px; margin-right: 3px; filter: drop-shadow(6px 7px 0 var(--bb-support)); }
  .bb-wing { background-size: 260px 173px; }
  .bb-wing-left { background-position: 15% 52%; }
  .bb-wing-right { background-position: 86% 52%; }
  .bb-umbrella-tip { width: 4px; height: 33px; top: 27%; }
  .bb-umbrella-tip::after { width: 17px; height: 9px; left: -6px; top: 7px; }
  .bb-choose { padding-block: 62px 64px; }
  .bb-choose h2 { font-size: 35px; line-height: 1.08; }
  .bb-root-explanation { font-size: 19px; margin-top: 17px; }
  .bb-browse-fork { height: 43px; margin-top: 25px; }
  .bb-two-paths { display: block; }
  .bb-essay-left { padding: 28px 0 0 17px; border-left-width: 5px; }
  .bb-essay-right { padding: 29px 22px; margin: 48px 9px 0 9px; box-shadow: 9px 10px 0 var(--bb-ground); border-top-width: 6px; }
  .bb-essay-right::before { left: -14px; top: -6px; width: 14px; height: 6px; }
  .bb-branch-title { display: grid; grid-template-columns: 43px 1fr; gap: 13px; }
  .bb-branch-title > span { font-size: 70px; margin-top: -2px; }
  .bb-branch-title h3, .bb-accountability h2 { font-size: 29px; line-height: 1.13; margin-bottom: 22px; }
  .bb-essay p, .bb-accountability p { font-size: 19px; line-height: 1.58; margin-bottom: 20px; }
  .bb-topic-link { font-size: 17px; padding-block: 15px; }
  .bb-accountability { padding-block: 43px; border-top-width: 8px; }
  .bb-accountability-inner { display: block; }
  .bb-accountability .bb-branch-title { display: grid; grid-template-columns: 58px 1fr; }
  .bb-accountability .bb-branch-title > span { font-size: 90px; }
  .bb-second-fork { grid-template-columns: 1fr 1fr; gap: 19px; margin-top: 22px; padding-top: 17px; border-top-width: 6px; }
  .bb-second-fork .bb-topic-link { display: block; padding: 16px 13px; box-shadow: 4px 4px 0 var(--bb-accent); }
  .bb-second-fork svg, .bb-second-fork i { margin-bottom: 11px; }
  .bb-guide-masthead { border-top-width: 5px; }
  .bb-page-opening, .bb-page-opening.bb-without-photo { display: block; padding-block: 28px 34px; }
  .bb-marker { font-size: 16px; margin-bottom: 17px; }
  .bb-guide-title { font-size: 37px; line-height: 1.08; letter-spacing: -.025em; }
  .bb-page-deck { font-size: 20px; margin-top: 20px; }
  .bb-small-scene { margin: 31px 5px 0 8px; padding-bottom: 5px; }
  .bb-small-scene::before { inset: 12px -7px 42px 10px; border-radius: 65px 0 40px 0; }
  .bb-photo-band { height: 173px; border-radius: 65px 0 40px 0; }
  .bb-small-scene figcaption { font-size: 16px; margin: 20px 0 0 15px; max-width: 300px; }
  .bb-reading-layout { display: block; padding-block: 42px 57px; }
  .bb-reading h2 { font-size: 29px; margin-top: 42px; }
  .bb-reading p, .bb-reading li { font-size: 19px; }
  .bb-reading p { margin-bottom: 20px; }
  .bb-reading blockquote { margin-left: 0; }
  .bb-leaf-note { position: static; margin: 46px 9px 0 17px; padding: 23px; box-shadow: 9px 9px 0 var(--bb-ground); }
  .bb-leaf-note::before { width: 17px; left: -17px; }
  .bb-leaf-note::after { left: -17px; width: 6px; }
  .bb-leaf-note a, .bb-leaf-note p { font-size: 17px; }
  .bb-bottom { padding-top: 29px; }
  .bb-footer-row { display: block; }
  .bb-footer-links { gap: 22px; margin-top: 22px; }
  .bb-lost { padding-block: 35px 65px; }
  .bb-lost h1 { font-size: 39px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bb-photo-fan { animation: none; }
  a { transition: none; }
  .bb-topic-link:hover { transform: none; }
}