@font-face {
  font-family: "Baikal Exp";
  src: url("assets/BaikalTrial-ExpandedBook.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Baikal Trial";
  src: url("assets/BaikalTrial-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  --black: #000;
  --cream: #f1efeb;
  --red: #ed1c24;
  --white: #f8f7f4;
  --grey: #9b9a98;
  --rule: #d8d6d2;
  --sans: "Baikal Trial", "Inter", Arial, sans-serif;
  --display: "Baikal Exp", "Inter", Arial, sans-serif;
  --mono: "DM Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--black); color: var(--white); font-family: var(--sans); font-size: 16px; line-height: 1.3; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.shell { width: calc(100% - 200px); max-width: 1240px; margin: 0 auto; }
.skip-link { position: fixed; top: 1rem; left: 1rem; z-index: 20; padding: .65rem .85rem; background: var(--red); color: var(--white); transform: translateY(-150%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }

.black-section { background: var(--black); }
.site-header { display: flex; align-items: center; justify-content: space-between; padding-top: 2rem; padding-bottom: 1.25rem; }
.transition-brand img { width: 220px; height: auto; }
.header-links { display: flex; gap: 2.25rem; color: #a7a7a7; font-family: "Baikal Trial", sans-serif; font-size: 13px; }
.header-links a:first-child { color: var(--white); }
.arrow-up { position: relative; display: inline-block; width: 1em; height: 1em; margin-left: .15em; color: var(--red); vertical-align: -.08em; }
.arrow-up::before { content: ""; position: absolute; top: .52em; left: .12em; width: .72em; height: 2px; background: currentColor; transform: rotate(-45deg); transform-origin: right center; }
.arrow-up::after { content: ""; position: absolute; top: .08em; right: .02em; width: .45em; height: .45em; border-top: 2px solid currentColor; border-right: 2px solid currentColor; }

.transition-grid { position: relative; display: grid; grid-template-columns: 56% 44%; min-height: 768px; }
.transition-copy { grid-column: 1; grid-row: 1; min-width: 0; height: 768px; padding: 4.8rem clamp(2rem, 3.8vw, 5.5rem) 8rem clamp(1.5rem, 7vw, 6rem); }
.transition-copy h1 { margin: 0; max-width: 650px; font-family: var(--display); font-size: clamp(2.4rem, 3.35vw, 3.65rem); font-weight: 400; letter-spacing: -.035em; line-height: 1.11; }
.mobile-headline { display: none; }
.headline-line { display: block; white-space: nowrap; }
.headline-red { color: var(--red); }
.red-rule { width: 42px; height: 2px; margin: 2.25rem 0 1.85rem; background: var(--red); }
.supporting-copy { max-width: 600px; margin: 0; font-family: "Baikal Trial", sans-serif; font-size: clamp(1rem, 1.35vw, 1.18rem); font-weight: 400; line-height: 1.35; }
.next-chapter { position: absolute; left: clamp(1.5rem, 7vw, 6rem); bottom: 2.75rem; display: inline-block; color: #898989; font: 11px var(--mono); letter-spacing: .03em; text-transform: uppercase; }
.next-chapter span { margin-left: .45rem; font-size: 15px; color: var(--grey); }
.next-chapter span img { display: block; width: 12px; height: 20px; object-fit: contain; }
.next-chapter span::after { display: none; }
.stair-image { grid-column: 2; grid-row: 1; height: 768px; margin: 0; overflow: hidden; }
.stair-image img { width: 100%; height: 100%; object-fit: cover; object-position: 53% 47%; transform: scale(1.025); transform-origin: center center; }

.continuation-grid { display: grid; grid-template-columns: minmax(0, 56fr) minmax(0, 44fr); align-items: stretch; gap: 0; min-height: 433px; }
.corridor-image { height: 433px; margin: 0; overflow: hidden; }
.corridor-image img { width: 100%; height: 100%; object-fit: cover; }
.continuation-copy { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; height: 433px; padding: 2.5rem clamp(2.5rem, 5.2vw, 5.5rem); }
.continuation-copy p { max-width: 470px; margin: 0 0 2.2rem; font-family: "Baikal Trial", sans-serif; font-size: clamp(.95rem, 1.2vw, 1.1rem); font-weight: 400; line-height: 1.3; }
.continuation-copy h2 { margin: 0; color: var(--red); font-family: var(--display); font-size: clamp(2.75rem, 4.35vw, 4.3rem); font-weight: 400; letter-spacing: -.065em; line-height: 1.02; }

.cream-section { padding: 4.35rem 0 4.1rem; background: var(--cream); color: var(--black); }
.cta-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(3rem, 5.5vw, 5.5rem); }
.cta-copy { max-width: 455px; margin: 0; font-family: "Baikal Trial", sans-serif; font-size: clamp(1.25rem, 1.9vw, 1.9rem); font-weight: 400; letter-spacing: -.045em; line-height: 1.17; }
.cta-copy a { color: var(--red); }
.cta-links { display: flex; flex-direction: column; align-self: start; }
.cta-links a { display: flex; justify-content: flex-start; align-items: center; gap: .45em; border-bottom: 1px solid var(--rule); padding: .18rem 0 1.05rem; font-family: "Baikal Trial", sans-serif; font-size: clamp(1.1rem, 1.8vw, 1.75rem); font-weight: 400; letter-spacing: -.045em; }
.cta-links a + a { padding-top: 1.15rem; }
.logo-block { margin-top: 3.65rem; padding: 4.9rem 5.3rem 1.25rem; background: var(--black); }
.logo-block img { width: min(603px, 100%); height: auto; }
.logo-block p { margin: 3rem 0 0; color: #676767; font: 10px var(--mono); }

@media (max-width: 800px) {
  html, body { max-width: 100%; overflow-x: hidden; }
  .shell { width: min(100% - 3rem, 600px); }
  .site-header { width: 100%; padding: 1.4rem 1rem 1.5rem; }
  .transition-brand { min-width: 0; flex: 1 1 auto; }
  .transition-brand img { width: 190px; max-width: 100%; }
  .header-links { flex: 0 1 auto; flex-direction: row; align-items: center; gap: .7rem; color: var(--white); font-size: 10px; white-space: nowrap; }
  .header-links a, .header-links a:first-child { color: var(--white); }
  .header-links .arrow-up { color: var(--white); }
  .transition-grid, .continuation-grid, .cta-grid { grid-template-columns: 1fr; gap: 0; }
  .transition-grid { display: flex; flex-direction: column; min-height: 0; padding-top: 3rem; }
  .transition-copy { height: auto; padding: 0 1.5rem 2.5rem; }
  .desktop-headline { display: none; }
  .mobile-headline { display: block; max-width: 100%; font-size: 27px !important; letter-spacing: -.18em; line-height: 1.08 !important; }
  .headline-line { white-space: nowrap; }
  .supporting-copy { max-width: 100%; font-size: 20px; line-height: 1.2; }
  .stair-image { width: min(342px, 100%); height: 200px; aspect-ratio: auto; margin: 0 auto; align-self: center; }
  .stair-image img { object-position: 52% 48%; transform: scale(1.015); }
  .next-chapter { position: static; display: flex; flex-direction: row; align-items: center; gap: .5rem; margin: 2.3rem 1.5rem 3.75rem; font-family: "Baikal Trial", sans-serif; font-size: 14px; font-weight: 700; }
  .next-chapter span { display: inline-flex; margin-left: 0; font-size: 18px; font-weight: 700; line-height: 1; }
  .next-chapter span::after { display: none; }
  .next-chapter span img { display: block; width: 12px; height: 20px; object-fit: contain; }
  .continuation-grid { min-height: 0; margin-top: 3.5rem; }
  .corridor-image { width: min(342px, 100%); height: 200px; aspect-ratio: auto; margin-left: auto; margin-right: auto; }
  .continuation-copy { height: auto; align-items: flex-start; padding: 2.2rem 1.5rem 4rem; text-align: left; }
  .continuation-copy p { max-width: 100%; font-size: 20px; line-height: 1.2; }
  .continuation-copy h2 { font-size: clamp(3rem, 11vw, 4.5rem); text-align: left; }
  .cream-section { padding-top: 4.5rem; padding-bottom: 0; }
  .cta-copy { max-width: 500px; margin-bottom: 3.2rem; font-size: 27px; line-height: 1.14; text-align: left; }
  .cta-links a { font-size: 22px; }
  .cta-links a { justify-content: space-between; }
  .cta-links .arrow-up { color: var(--red); width: 1.15em; height: 1.15em; flex: 0 0 auto; }
  .logo-block { display: flex; flex-direction: column; align-items: center; width: 100%; max-width: none; margin: 4rem 0 0; padding: 3.5rem 2rem 1.25rem; text-align: center; }
  .logo-block img { width: min(360px, 100%); margin: 0 auto; }
  .logo-block p { margin-top: 3rem; text-align: center; }
}

@media (max-width: 440px) {
  .shell { width: calc(100% - 2.25rem); }
  .site-header { align-items: flex-start; }
  .transition-brand img { width: 190px; }
  .header-links { gap: .55rem; font-size: 9px; }
  .stair-image { width: min(342px, 100%); max-width: 100%; }
  .corridor-image { width: min(342px, 100%); max-width: 100%; }
  .logo-block { width: 100%; }
}

@media (min-width: 801px) and (max-width: 1100px) {
  .transition-copy { padding-left: 3.75rem; padding-right: 2rem; }
  .transition-copy h1 { font-size: 2.25rem; }
  .supporting-copy { font-size: .9rem; }
}