.irp-bite-v1 {
  --bt-paper: #f2eee4;
  --bt-light: #fbf9f3;
  --bt-ink: #111413;
  --bt-soft: #555d5a;
  --bt-navy: #17384a;
  --bt-deep: #0c202b;
  --bt-pale: #d6e0e1;
  --bt-amber: #b97627;
  --bt-line: rgba(17, 20, 19, 0.2);
  --bt-page: max(28px, calc((100vw - 1320px) / 2));
  --bt-section: clamp(92px, 10vw, 164px);
  --bt-serif: "Bodoni Moda", "Bodoni 72", Didot, serif;
  --bt-sans: "Manrope", Arial, sans-serif;
  --bt-ease: cubic-bezier(0.16, 1, 0.3, 1);
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: 0;
  overflow-x: clip;
  color: var(--bt-soft);
  background: var(--bt-paper);
  font: 400 clamp(1rem, 1.13vw, 1.16rem)/1.66 var(--bt-sans);
}

.irp-bite-v1 *,
.irp-bite-v1 *::before,
.irp-bite-v1 *::after { box-sizing: border-box; }
.irp-bite-v1 ::selection { color: var(--bt-light); background: var(--bt-navy); }
.irp-bite-v1 :focus-visible { outline: 3px solid var(--bt-amber); outline-offset: 4px; }
.irp-bite-v1 h1,
.irp-bite-v1 h2,
.irp-bite-v1 h3,
.irp-bite-v1 p { margin-top: 0; }
.irp-bite-v1 h1,
.irp-bite-v1 h2,
.irp-bite-v1 h3 {
  color: var(--bt-ink);
  font-family: var(--bt-serif);
  font-weight: 400;
  letter-spacing: -0.045em;
}
.irp-bite-v1 h2 {
  margin-bottom: 28px;
  font-size: clamp(3.2rem, 6vw, 6rem);
  line-height: 0.95;
  text-wrap: balance;
}
.irp-bite-v1 h3 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 0.98;
}
.irp-bite-v1 a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
}
.irp-bite-v1 img { display: block; max-width: 100%; }
.irp-bite-v1 section[id] { scroll-margin-top: 92px; }

.bt-kicker,
.bt-eyebrow {
  margin-bottom: 20px;
  color: var(--bt-amber);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.bt-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 25px;
  border: 1px solid transparent;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 180ms var(--bt-ease);
}
.bt-action i { position: relative; width: 25px; height: 12px; margin-left: 22px; }
.bt-action i::before,
.bt-action i::after { position: absolute; right: 0; content: ""; }
.bt-action i::before { top: 5px; width: 25px; border-top: 1px solid currentColor; }
.bt-action i::after { top: 2px; width: 7px; height: 7px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: rotate(45deg); }
.bt-action:hover { transform: translateY(-2px); }
.irp-bite-v1 .bt-action--light { color: var(--bt-light); background: var(--bt-navy); }
.irp-bite-v1 .bt-action--light:hover { color: var(--bt-light); background: var(--bt-amber); }
.irp-bite-v1 .bt-action--dark { color: var(--bt-light); background: var(--bt-ink); }
.irp-bite-v1 .bt-action--dark:hover { background: var(--bt-navy); }

.bt-hero {
  display: grid;
  grid-template-columns: minmax(500px, 0.96fr) minmax(500px, 1.04fr);
  min-height: max(820px, calc(100svh - 65px));
  background: var(--bt-light);
}
.bt-hero__copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 88px clamp(54px, 6vw, 94px) 62px var(--bt-page);
}
.bt-hero__copy::after {
  position: absolute;
  right: -32vw;
  bottom: -8vw;
  z-index: -1;
  width: 68vw;
  height: 35vw;
  border: 1px solid rgba(43, 91, 110, 0.3);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}
.bt-hero h1 {
  max-width: 8.4ch;
  margin: 0;
  color: var(--bt-navy);
  font-size: clamp(4.8rem, 6.1vw, 6.6rem);
  line-height: 0.91;
  text-wrap: balance;
}
.bt-hero__lead {
  max-width: 500px;
  margin: 34px 0 0;
  font-size: clamp(1.05rem, 1.35vw, 1.3rem);
  line-height: 1.55;
}
.bt-hero .bt-action { align-self: flex-start; margin-top: 36px; }
.bt-hero__figure {
  position: relative;
  display: grid;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: var(--bt-light);
}
.bt-hero__figure picture,
.bt-hero__figure img { width: 100%; height: 100%; }
.bt-hero__figure picture { display: block; }
.bt-hero__figure img { object-fit: contain; object-position: center; }
.bt-hero__figure figcaption {
  position: absolute;
  right: 24px;
  bottom: 18px;
  left: 24px;
  margin: 0;
  color: rgba(17, 20, 19, 0.66);
  font-size: 0.68rem;
  line-height: 1.45;
  text-align: right;
  text-shadow: 0 1px 10px rgba(251, 249, 243, 0.9);
}

.bt-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 28px var(--bt-page) 0;
  color: rgba(17, 20, 19, 0.58);
  font-size: 0.73rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.bt-breadcrumb a { text-decoration: none; }
.bt-breadcrumb a:hover { color: var(--bt-navy); }

.bt-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(330px, 0.7fr);
  gap: clamp(52px, 9vw, 150px);
  align-items: end;
}
.bt-section-heading .bt-kicker { grid-column: 1 / -1; margin-bottom: -24px; }
.bt-section-heading h2 { max-width: 9.5ch; margin-bottom: 0; }
.bt-section-heading > p:last-child { max-width: 56ch; margin-bottom: 7px; }

.bt-patterns { padding: var(--bt-section) var(--bt-page); }
.bt-patterns__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 90px 0 0;
  border-top: 1px solid var(--bt-line);
}
.bt-patterns__list > div {
  position: relative;
  min-height: 280px;
  padding: 40px 50px 42px 0;
  border-bottom: 1px solid var(--bt-line);
}
.bt-patterns__list > div:nth-child(even) { padding-left: 50px; border-left: 1px solid var(--bt-line); }
.bt-patterns__list dt {
  max-width: 12ch;
  color: var(--bt-ink);
  font: 400 clamp(2.3rem, 4vw, 4.1rem)/0.98 var(--bt-serif);
  letter-spacing: -0.04em;
}
.bt-patterns__list dd { max-width: 44ch; margin: 32px 0 0; }
.bt-patterns__list > div::after {
  position: absolute;
  right: 30px;
  bottom: 34px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--bt-navy);
  border-radius: 50%;
  content: "";
}
.bt-patterns__list > div:first-child::after { background: var(--bt-amber); border-color: var(--bt-amber); }

.bt-reading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(430px, 0.85fr);
  min-height: 760px;
  background: var(--bt-navy);
}
.bt-reading figure { position: relative; display: grid; min-width: 0; margin: 0; background: var(--bt-light); }
.bt-reading picture,
.bt-reading img { width: 100%; height: 100%; }
.bt-reading img { object-fit: contain; }
.bt-reading figcaption {
  position: absolute;
  right: 22px;
  bottom: 17px;
  left: 22px;
  color: rgba(17, 20, 19, 0.65);
  font-size: 0.68rem;
  text-align: left;
}
.bt-reading__copy { align-self: center; padding: 78px var(--bt-page) 78px clamp(55px, 7vw, 105px); color: rgba(251, 249, 243, 0.76); }
.irp-bite-v1 .bt-reading__copy p,
.irp-bite-v1 .bt-reading__copy dd,
.irp-bite-v1 .bt-paths p,
.irp-bite-v1 .bt-stability p,
.irp-bite-v1 .bt-closing p,
.irp-bite-v1 .bt-references p,
.irp-bite-v1 .bt-references li { color: rgba(251, 249, 243, 0.76); }
.bt-reading__copy h2 { max-width: 9ch; color: var(--bt-light); }
.bt-reading__copy > p:not(.bt-kicker) { max-width: 48ch; }
.bt-reading dl { margin: 48px 0 0; border-top: 1px solid rgba(214, 224, 225, 0.28); }
.bt-reading dl > div { display: grid; grid-template-columns: 0.55fr 1.45fr; gap: 26px; padding: 18px 0; border-bottom: 1px solid rgba(214, 224, 225, 0.28); }
.bt-reading dt { color: var(--bt-light); font-family: var(--bt-serif); font-size: 1.35rem; }
.bt-reading dd { margin: 0; font-size: 0.86rem; line-height: 1.55; }

.bt-timing { padding: var(--bt-section) var(--bt-page); }
.bt-timing__intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 0.7fr); gap: clamp(54px, 10vw, 160px); align-items: end; }
.bt-timing__intro .bt-kicker { grid-column: 1 / -1; margin-bottom: -24px; }
.bt-timing h2 { max-width: 10ch; margin-bottom: 0; }
.bt-timing__intro > p:last-child { max-width: 55ch; margin-bottom: 7px; }
.bt-timing ol { display: grid; grid-template-columns: repeat(3, 1fr); margin: 88px 0 0; padding: 0; border-top: 1px solid var(--bt-line); list-style: none; }
.bt-timing li { min-height: 250px; padding: 34px 40px 40px 0; border-bottom: 1px solid var(--bt-line); }
.bt-timing li + li { padding-left: 40px; border-left: 1px solid var(--bt-line); }
.bt-timing li span { color: var(--bt-amber); font: 400 2.1rem/1 var(--bt-serif); }
.bt-timing li p { margin: 50px 0 0; }
.bt-note { max-width: 760px; margin: 58px 0 0; padding: 28px 0 0 34px; border-top: 1px solid var(--bt-line); border-left: 2px solid var(--bt-amber); }
.bt-note strong { display: block; color: var(--bt-ink); font-family: var(--bt-serif); font-size: 1.7rem; font-weight: 400; line-height: 1.1; }

.bt-paths { padding: var(--bt-section) var(--bt-page); color: rgba(251, 249, 243, 0.76); background: var(--bt-deep); }
.bt-section-heading--light h2 { color: var(--bt-light); }
.bt-paths__steps { margin: 92px 0 0; padding: 0; border-top: 1px solid rgba(214, 224, 225, 0.28); list-style: none; }
.bt-paths__steps li { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 34px; padding: 36px 0; border-bottom: 1px solid rgba(214, 224, 225, 0.28); }
.bt-paths__steps li > span { color: var(--bt-amber); font: 400 2.3rem/1 var(--bt-serif); }
.bt-paths__steps li > div { display: grid; grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1.45fr); gap: 42px; align-items: baseline; }
.bt-paths h3 { margin: 0; color: var(--bt-light); }
.bt-paths__steps p { max-width: 64ch; margin: 0; }

.bt-joint { display: grid; grid-template-columns: minmax(300px, 0.7fr) minmax(0, 1.3fr); gap: clamp(60px, 10vw, 160px); padding: var(--bt-section) var(--bt-page); background: var(--bt-light); }
.bt-joint__mark { position: relative; min-height: 500px; border: 1px solid rgba(43, 91, 110, 0.28); border-radius: 50%; }
.bt-joint__mark::before,
.bt-joint__mark::after { position: absolute; content: ""; background: rgba(43, 91, 110, 0.28); }
.bt-joint__mark::before { top: 50%; left: -8%; width: 116%; height: 1px; }
.bt-joint__mark::after { top: -8%; left: 50%; width: 1px; height: 116%; }
.bt-joint__mark span { position: absolute; top: calc(50% - 9px); left: calc(50% - 9px); z-index: 1; width: 18px; height: 18px; border-radius: 50%; background: var(--bt-amber); }
.bt-joint > div:last-child { align-self: center; }
.bt-joint h2 { max-width: 9.4ch; }
.bt-joint > div:last-child p:not(.bt-kicker) { max-width: 64ch; }

.bt-limits { display: grid; grid-template-columns: minmax(0, 0.82fr) minmax(500px, 1.18fr); gap: clamp(70px, 10vw, 160px); padding: var(--bt-section) var(--bt-page); }
.bt-limits__intro { position: sticky; top: 110px; align-self: start; }
.bt-limits h2 { max-width: 8.8ch; }
.bt-limits__intro > p:last-child { max-width: 48ch; }
.bt-limits__list { border-top: 1px solid var(--bt-line); }
.bt-limits__list p { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 34px; margin: 0; padding: 29px 0; border-bottom: 1px solid var(--bt-line); }
.bt-limits__list strong { color: var(--bt-ink); font-family: var(--bt-serif); font-size: 1.55rem; font-weight: 400; line-height: 1.1; }

.bt-stability { display: grid; grid-template-columns: minmax(430px, 0.8fr) minmax(0, 1.2fr); min-height: 720px; color: rgba(251, 249, 243, 0.76); background: var(--bt-navy); }
.bt-stability__copy { align-self: center; padding: 80px clamp(55px, 7vw, 108px) 80px var(--bt-page); }
.bt-stability h2 { max-width: 9.3ch; color: var(--bt-light); }
.bt-stability__copy > p:not(.bt-kicker):not(.bt-note) { max-width: 54ch; }
.bt-stability .bt-note { border-color: rgba(214, 224, 225, 0.25); color: rgba(251, 249, 243, 0.68); }
.bt-stability .bt-note strong { color: var(--bt-light); }
.bt-stability figure { position: relative; display: grid; min-width: 0; margin: 0; background: var(--bt-light); }
.bt-stability picture,
.bt-stability img { width: 100%; height: 100%; }
.bt-stability img { object-fit: contain; }
.bt-stability figcaption { position: absolute; right: 22px; bottom: 17px; left: 22px; color: rgba(17, 20, 19, 0.65); font-size: 0.68rem; text-align: right; }

.bt-alert { display: flex; gap: 70px; align-items: end; justify-content: space-between; padding: 84px var(--bt-page); border-bottom: 1px solid var(--bt-line); background: var(--bt-light); }
.bt-alert > div { max-width: 780px; }
.bt-alert h2 { margin-bottom: 20px; font-size: clamp(2.9rem, 4.8vw, 5rem); }
.bt-alert p:not(.bt-kicker) { max-width: 60ch; margin-bottom: 0; }
.bt-alert .bt-action { flex: 0 0 auto; }

.bt-faq { padding: var(--bt-section) var(--bt-page); }
.bt-faq h2 { max-width: 8ch; }
.bt-faq__list { margin-top: 70px; border-top: 1px solid var(--bt-line); }
.bt-faq details { border-bottom: 1px solid var(--bt-line); }
.bt-faq summary { position: relative; padding: 30px 74px 30px 0; color: var(--bt-ink); font: 400 clamp(1.5rem, 2.35vw, 2.35rem)/1.15 var(--bt-serif); cursor: pointer; list-style: none; }
.bt-faq summary::-webkit-details-marker { display: none; }
.bt-faq summary::after { position: absolute; top: 50%; right: 8px; width: 18px; height: 18px; border-right: 1px solid var(--bt-navy); border-bottom: 1px solid var(--bt-navy); content: ""; transform: translateY(-70%) rotate(45deg); transition: transform 180ms var(--bt-ease); }
.bt-faq details[open] summary::after { transform: translateY(-25%) rotate(225deg); }
.bt-faq details p { max-width: 72ch; margin: -4px 0 32px; padding-right: 80px; }

.bt-closing { display: flex; gap: 70px; align-items: end; justify-content: space-between; padding: var(--bt-section) var(--bt-page); color: rgba(251, 249, 243, 0.75); background: var(--bt-deep); }
.bt-closing > div { max-width: 900px; }
.bt-closing h2 { max-width: 12ch; color: var(--bt-light); }
.bt-closing p:not(.bt-kicker) { max-width: 54ch; margin-bottom: 0; }
.bt-closing .bt-action { flex: 0 0 auto; }

.bt-references { padding: 82px var(--bt-page) 100px; color: rgba(251, 249, 243, 0.68); background: var(--bt-navy); }
.bt-references header { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(45px, 9vw, 140px); align-items: end; }
.bt-references h2 { margin-bottom: 0; color: var(--bt-light); font-size: clamp(2.5rem, 4vw, 4rem); }
.bt-references header p { max-width: 58ch; margin-bottom: 5px; }
.bt-references ol { columns: 2; column-gap: clamp(50px, 8vw, 120px); margin: 62px 0 0; padding: 38px 0 0 24px; border-top: 1px solid rgba(214, 224, 225, 0.25); font-size: 0.73rem; line-height: 1.6; }
.bt-references li { margin: 0 0 22px; padding-left: 7px; break-inside: avoid; }
.bt-references a { color: var(--bt-light); }

@media (max-width: 1120px) {
  .bt-hero { grid-template-columns: minmax(430px, 0.92fr) minmax(430px, 1.08fr); }
  .bt-hero h1 { font-size: clamp(4.1rem, 7vw, 6.6rem); }
  .bt-reading { grid-template-columns: 1fr 1fr; }
  .bt-reading__copy { padding-left: 52px; }
  .bt-stability { grid-template-columns: 1fr 1.05fr; }
}

@media (max-width: 900px) {
  .irp-bite-v1 { --bt-page: clamp(28px, 6vw, 54px); --bt-section: clamp(82px, 12vw, 118px); }
  .bt-hero { grid-template-columns: 1fr; }
  .bt-hero__copy { min-height: 690px; padding: 86px var(--bt-page) 54px; }
  .bt-hero h1 { max-width: 9ch; font-size: clamp(4.8rem, 12vw, 7.2rem); }
  .bt-hero__copy::after { right: -48vw; bottom: -18vw; width: 120vw; height: 70vw; }
  .bt-hero__figure { min-height: 980px; }
  .bt-hero__figure img { object-position: center top; }
  .bt-section-heading,
  .bt-timing__intro { grid-template-columns: 1fr; gap: 28px; }
  .bt-section-heading .bt-kicker,
  .bt-timing__intro .bt-kicker { grid-column: auto; margin-bottom: 0; }
  .bt-patterns__list { margin-top: 66px; }
  .bt-reading,
  .bt-stability { grid-template-columns: 1fr; }
  .bt-reading figure { min-height: 540px; }
  .bt-reading__copy { padding: 90px var(--bt-page); }
  .bt-stability__copy { padding: 90px var(--bt-page); }
  .bt-stability figure { min-height: 540px; }
  .bt-joint { grid-template-columns: 0.65fr 1.35fr; gap: 55px; }
  .bt-joint__mark { min-height: 340px; }
  .bt-limits { grid-template-columns: 1fr; }
  .bt-limits__intro { position: static; }
  .bt-alert,
  .bt-closing { align-items: flex-start; flex-direction: column; }
  .bt-references header { grid-template-columns: 1fr; gap: 26px; }
}

@media (max-width: 620px) {
  .irp-bite-v1 { --bt-page: 24px; --bt-section: 76px; font-size: 1rem; line-height: 1.62; }
  .irp-bite-v1 h2 { font-size: clamp(2.85rem, 14vw, 4.25rem); }
  .bt-hero__copy { min-height: 535px; padding-top: 58px; padding-bottom: 44px; }
  .bt-eyebrow { max-width: 24ch; }
  .bt-hero h1 { max-width: 7.2ch; font-size: clamp(4rem, 19vw, 5.35rem); }
  .bt-hero__lead { margin-top: 28px; font-size: 1.03rem; }
  .bt-hero__figure { min-height: 0; aspect-ratio: 1024 / 950; }
  .bt-hero__figure figcaption { right: 16px; bottom: 12px; left: 16px; font-size: 0.62rem; }
  .bt-breadcrumb { padding-top: 22px; font-size: 0.65rem; }
  .bt-patterns__list { grid-template-columns: 1fr; }
  .bt-patterns__list > div,
  .bt-patterns__list > div:nth-child(even) { min-height: 220px; padding: 30px 38px 32px 0; border-left: 0; }
  .bt-patterns__list dt { font-size: 2.55rem; }
  .bt-patterns__list dd { margin-top: 26px; }
  .bt-patterns__list > div::after { right: 4px; bottom: 30px; }
  .bt-reading figure,
  .bt-stability figure { min-height: 0; aspect-ratio: 3 / 2; }
  .bt-reading__copy { padding: var(--bt-section) var(--bt-page); }
  .bt-reading dl > div { grid-template-columns: 0.72fr 1.28fr; gap: 18px; }
  .bt-timing ol { grid-template-columns: 1fr; margin-top: 60px; }
  .bt-timing li,
  .bt-timing li + li { min-height: 180px; padding: 28px 0 30px; border-left: 0; }
  .bt-timing li p { margin-top: 28px; }
  .bt-note { margin-top: 42px; padding: 24px 0 0 22px; }
  .bt-paths__steps { margin-top: 58px; }
  .bt-paths__steps li { grid-template-columns: 46px minmax(0, 1fr); gap: 18px; padding: 28px 0; }
  .bt-paths__steps li > span { font-size: 1.8rem; }
  .bt-paths__steps li > div { grid-template-columns: 1fr; gap: 14px; }
  .bt-joint { grid-template-columns: 1fr; gap: 54px; }
  .bt-joint__mark { width: min(78vw, 310px); min-height: 0; aspect-ratio: 1; margin: 0 auto; }
  .bt-limits { gap: 50px; }
  .bt-limits__list p { grid-template-columns: 1fr; gap: 13px; padding: 25px 0; }
  .bt-stability__copy { padding: var(--bt-section) var(--bt-page); }
  .bt-alert { gap: 38px; padding: 68px var(--bt-page); }
  .bt-alert h2 { font-size: 2.75rem; }
  .bt-faq__list { margin-top: 48px; }
  .bt-faq summary { padding: 25px 50px 25px 0; font-size: 1.55rem; }
  .bt-faq details p { padding-right: 0; }
  .bt-closing { gap: 42px; }
  .bt-references { padding-top: 68px; }
  .bt-references ol { columns: 1; }
  .bt-action { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .irp-bite-v1 *,
  .irp-bite-v1 *::before,
  .irp-bite-v1 *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}