:root {
  --paper: #f3ebdd;
  --paper-light: #fcf8ee;
  --coal: #2e312d;
  --ochre: #d4a13c;
  --moss: #58705a;
  --line: rgba(46, 49, 45, 0.24);
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--coal); font-family: var(--sans); }
a { color: inherit; }

.landing-page {
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 12%, rgba(255,255,255,.55), transparent 28rem),
    repeating-linear-gradient(90deg, transparent 0 55px, rgba(46,49,45,.018) 56px),
    var(--paper);
}

.site-header, .hero, .manifesto, .formats, .site-footer {
  width: min(100% - 48px, 1280px);
  margin-inline: auto;
}

.site-header { height: 104px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; align-items: center; gap: 12px; font-size: 1.02rem; font-weight: 800; letter-spacing: -.03em; text-decoration: none; }
.wordmark__mark { display: grid; place-items: center; width: 32px; aspect-ratio: 1; color: var(--paper-light); background: var(--coal); font-family: var(--serif); font-style: italic; }
.header-link, .primary-link { font-family: var(--mono); font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; text-underline-offset: 5px; }
.header-link { text-decoration-thickness: 1px; }

.hero { min-height: 750px; padding: 76px 0 98px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 6vw; }
.eyebrow, .section-number { margin: 0 0 30px; font-family: var(--mono); font-size: .69rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; display: inline-block; width: 28px; height: 3px; margin: 0 12px 2px 0; background: var(--ochre); }
.hero h1 { margin: 0; font-size: clamp(4.4rem, 8.1vw, 8.8rem); line-height: .8; letter-spacing: -.075em; text-transform: uppercase; }
.hero__lead { margin: 34px 0 18px; font-family: var(--serif); font-size: clamp(1.65rem, 2.5vw, 2.75rem); font-style: italic; line-height: 1.08; }
.hero__text { max-width: 570px; margin: 0 0 34px; font-size: 1.08rem; line-height: 1.7; }
.primary-link { display: inline-flex; gap: 42px; align-items: center; min-height: 52px; padding: 0 18px; border: 2px solid var(--coal); background: var(--ochre); box-shadow: 5px 5px 0 var(--coal); text-decoration: none; transition: transform .18s ease, box-shadow .18s ease; }
.primary-link:hover { transform: translate(3px,3px); box-shadow: 2px 2px 0 var(--coal); }
.primary-link:focus-visible, .header-link:focus-visible, .site-footer a:focus-visible { outline: 3px solid var(--ochre); outline-offset: 4px; }

.book-scene { position: relative; min-height: 530px; display: grid; place-items: center; transform: rotate(2deg); }
.book-shadow { position: absolute; width: 86%; height: 34%; bottom: 66px; border-radius: 50%; background: rgba(46,49,45,.25); filter: blur(24px); transform: rotate(-2deg); }
.book { position: relative; display: grid; grid-template-columns: 1fr 1fr; width: min(100%, 590px); aspect-ratio: 1.35; filter: drop-shadow(0 9px 2px rgba(46,49,45,.11)); }
.book__page { position: relative; padding: 11% 9%; overflow: hidden; border: 1px solid rgba(46,49,45,.25); background: var(--paper-light); }
.book__page--left { border-radius: 4px 3% 2% 7%; transform: perspective(600px) rotateY(4deg); transform-origin: right; }
.book__page--right { border-radius: 3% 4px 7% 2%; transform: perspective(600px) rotateY(-4deg); transform-origin: left; }
.book__page::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(0deg, transparent 0 23px, rgba(46,49,45,.035) 24px); }
.book__spine { position: absolute; z-index: 3; top: 2%; bottom: 2%; left: 50%; width: 4px; background: linear-gradient(90deg, rgba(46,49,45,.18), rgba(255,255,255,.85), rgba(46,49,45,.16)); transform: translateX(-50%); }
.book__label { position: relative; z-index: 2; display: inline-block; padding: 5px 8px; color: var(--paper-light); background: var(--coal); font: 700 .58rem/1 var(--mono); letter-spacing: .1em; }
.book__label--moss { background: var(--moss); }
.book__small { margin: 25px 0 12px; font: 700 .56rem/1 var(--mono); letter-spacing: .08em; }
.book__title { margin: 0; font-size: clamp(1.7rem, 3vw, 2.8rem); font-weight: 800; line-height: .94; letter-spacing: -.055em; text-transform: uppercase; }
.book__line { position: absolute; z-index: 2; display: block; height: 3px; background: var(--coal); transform-origin: left; }
.book__line--one { width: 31%; top: 63%; left: 16%; transform: rotate(-12deg); }
.book__line--two { width: 44%; top: 70%; left: 28%; transform: rotate(14deg); }
.book__line--three { width: 25%; top: 78%; left: 58%; transform: rotate(-20deg); }
.book__page-no { position: absolute; z-index: 2; bottom: 6%; font: .55rem var(--mono); }
.book__page--left .book__page-no { left: 10%; }
.book__page--right .book__page-no { right: 10%; }
.trail { position: relative; height: 56%; margin-top: 11%; }
.trail__path { position: absolute; inset: 18% 18% 6% 14%; border: 3px dashed var(--moss); border-color: var(--moss) transparent var(--moss) var(--moss); border-radius: 52% 18% 44% 38%; transform: rotate(-10deg); }
.trail__dot { position: absolute; z-index: 2; display: grid; place-items: center; width: 34px; aspect-ratio: 1; border-radius: 46% 54% 49% 51%; color: var(--paper-light); background: var(--moss); font: 700 .7rem var(--mono); }
.trail__dot--one { left: 4%; bottom: 12%; transform: rotate(-12deg); }
.trail__dot--two { left: 47%; top: 34%; transform: rotate(7deg); }
.trail__dot--three { right: 5%; top: 3%; transform: rotate(-5deg); }
.book__note { position: relative; z-index: 2; margin: -3% 0 0 4%; font-family: var(--serif); font-size: .88rem; font-style: italic; line-height: 1.3; }
.scene-note { position: absolute; z-index: 4; padding: 7px 10px; color: var(--paper-light); background: var(--coal); font: 700 .58rem var(--mono); letter-spacing: .1em; }
.scene-note--top { top: 12%; right: -1%; transform: rotate(7deg); }
.scene-note--bottom { bottom: 10%; left: 4%; color: var(--coal); background: var(--ochre); transform: rotate(-5deg); }

.manifesto { padding: 110px 0 120px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 2fr 7fr 3fr; gap: 32px; align-items: start; }
.section-number { margin: 8px 0 0; }
.manifesto h2 { margin: 0; max-width: 800px; font-size: clamp(2.8rem, 5.2vw, 5.4rem); line-height: .98; letter-spacing: -.06em; }
.manifesto > p:last-child { margin: 9px 0 0; font-family: var(--serif); font-size: 1.08rem; line-height: 1.65; }

.formats { display: grid; grid-template-columns: 7fr 5fr; border: 1px solid var(--coal); }
.format { min-height: 600px; padding: clamp(36px,5vw,76px); }
.format h2 { margin: 32px 0; font-size: clamp(2.6rem, 5vw, 5.5rem); line-height: .94; letter-spacing: -.06em; }
.format > p:not(.section-number):not(.format__meta) { max-width: 580px; font-size: 1.05rem; line-height: 1.7; }
.format--book { background: var(--ochre); }
.format--app { color: var(--paper-light); background: var(--moss); }
.format__meta { margin-top: 70px; padding-top: 18px; border-top: 1px solid currentColor; font: 700 .64rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.app-sketch { margin-top: 64px; padding: 20px; border: 2px solid var(--paper-light); box-shadow: 6px 6px 0 rgba(46,49,45,.45); display: grid; gap: 13px; font: 700 .6rem var(--mono); letter-spacing: .08em; }
.app-sketch strong { font-family: var(--serif); font-size: 1.9rem; font-style: italic; font-weight: 400; letter-spacing: 0; }
.app-sketch i { height: 1px; background: rgba(252,248,238,.55); }

.newsletter { width: min(100% - 48px, 1280px); margin: 120px auto 0; padding: clamp(42px,7vw,92px); display: grid; grid-template-columns: 7fr 5fr; gap: 8vw; color: var(--paper-light); background: var(--coal); }
.eyebrow--light::before { background: var(--ochre); }
.newsletter h2 { margin: 0; max-width: 740px; font-size: clamp(3rem, 5.5vw, 6rem); line-height: .93; letter-spacing: -.06em; }
.newsletter__content { align-self: end; }
.newsletter__content > p:first-child { margin: 0 0 36px; font-family: var(--serif); font-size: 1.12rem; line-height: 1.6; }
.newsletter-form__row { display: grid; grid-template-columns: 1fr auto; border-bottom: 2px solid var(--paper-light); }
.newsletter-form__row input, .newsletter-form button { min-height: 58px; border: 0; border-radius: 0; font: inherit; }
.newsletter-form__row input { min-width: 0; padding: 0 14px 0 0; color: var(--paper-light); background: transparent; font-size: 1rem; }
.newsletter-form__row input::placeholder { color: rgba(252,248,238,.55); }
.newsletter-form__row input:focus { outline: 0; }
.newsletter-form__row:focus-within { outline: 3px solid var(--ochre); outline-offset: 4px; }
.newsletter-form button { padding: 0 18px; cursor: pointer; color: var(--coal); background: var(--ochre); font-family: var(--mono); font-size: .68rem; font-weight: 700; text-transform: uppercase; }
.newsletter-form__consent { margin-top: 16px; display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; color: rgba(252,248,238,.72); font: .62rem/1.5 var(--mono); cursor: pointer; }
.newsletter-form__consent input { width: 17px; height: 17px; margin: 1px 0 0; accent-color: var(--ochre); }
.newsletter-form__consent a { text-underline-offset: 3px; }
.notice { margin: 16px 0 0; padding: 12px 14px; border-left: 4px solid var(--ochre); font: .68rem/1.5 var(--mono); }
.notice--success { color: var(--paper-light); }
.notice--error { color: var(--paper-light); border-color: var(--ochre); }

.site-footer { min-height: 170px; display: grid; grid-template-columns: 3fr 6fr 3fr; gap: 32px; align-items: center; font-size: .78rem; }
.wordmark--small { font-size: .85rem; }
.site-footer p { font-family: var(--serif); font-style: italic; }
.site-footer nav { display: flex; justify-content: flex-end; gap: 24px; font-family: var(--mono); font-size: .65rem; text-transform: uppercase; }
.site-footer a { text-underline-offset: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 60px; }
  .hero__copy { position: relative; z-index: 2; }
  .book-scene { min-height: 480px; }
  .manifesto { grid-template-columns: 1fr; }
  .manifesto h2 { max-width: 880px; }
  .manifesto > p:last-child { max-width: 560px; }
  .formats, .newsletter { grid-template-columns: 1fr; }
  .format { min-height: auto; }
  .newsletter__content { max-width: 600px; }
}

@media (max-width: 600px) {
  .site-header, .hero, .manifesto, .formats, .site-footer, .newsletter { width: min(100% - 28px, 1280px); }
  .site-header { height: 78px; }
  .header-link { font-size: 0; }
  .header-link span { font-size: 1rem; }
  .hero { min-height: 0; padding: 48px 0 72px; gap: 44px; }
  .hero h1 { font-size: clamp(3.55rem, 18vw, 5.3rem); }
  .hero__text { font-size: 1rem; }
  .primary-link { width: 100%; justify-content: space-between; }
  .book-scene { min-height: 340px; }
  .book { width: 94%; }
  .book__page { padding: 9% 7%; }
  .book__small { margin-top: 13px; }
  .book__label { font-size: .45rem; }
  .trail__dot { width: 25px; }
  .book__note { font-size: .66rem; }
  .manifesto { padding: 78px 0; }
  .formats { border-left: 0; border-right: 0; }
  .format { padding: 48px 24px; }
  .format__meta, .app-sketch { margin-top: 46px; }
  .newsletter { margin-top: 72px; padding: 52px 26px; }
  .newsletter h2 { font-size: clamp(2.6rem, 13vw, 4rem); }
  .newsletter-form__row { grid-template-columns: 1fr; gap: 10px; border: 0; }
  .newsletter-form__row input { border-bottom: 2px solid var(--paper-light); }
  .newsletter-form button { width: 100%; }
  .site-footer { padding: 44px 0; grid-template-columns: 1fr; gap: 14px; }
  .site-footer p { margin: 0; }
  .site-footer nav { justify-content: flex-start; margin-top: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .primary-link { transition: none; }
}

.newsletter-honeypot { position:absolute; left:-10000px; width:1px; height:1px; overflow:hidden; }
.newsletter-field label { display:block; margin-bottom:.6rem; font-size:.85rem; }
.newsletter-consent { display:flex; align-items:flex-start; gap:.65rem; font-size:.8rem; line-height:1.5; margin:1rem 0; }
.newsletter-consent input { flex:0 0 auto; width:1.1rem; height:1.1rem; margin-top:.15rem; }
.newsletter-consent a { text-underline-offset:3px; }
.newsletter-error { color:#ffe0cf; }
.newsletter-form button:disabled { cursor:not-allowed; opacity:.6; }
.legal-page, .message-page { max-width:780px; padding:64px 24px; margin:auto; line-height:1.75; }
.legal-page h1, .message-page h1 { font-size:clamp(2.4rem,7vw,4rem); line-height:1.05; letter-spacing:-.04em; margin:3rem 0 2rem; }
.legal-page h2 { margin:2rem 0 .5rem; line-height:1.2; }
.legal-page a, .message-page a { text-underline-offset:3px; }
.message-page button { padding:1rem 1.5rem; border:2px solid var(--coal); background:var(--ochre); color:var(--coal); font:700 1rem var(--sans); cursor:pointer; }
.legal-page footer, .message-page footer { margin-top:3rem; border-top:1px solid var(--line); padding-top:1.5rem; display:flex; gap:1.5rem; }

.newsletter-form fieldset { border:0; padding:0; margin:1.2rem 0 0; min-width:0; }
.email-label { display:block; font-size:.85rem; margin-bottom:.75rem; }
.newsletter-form__consent { font: .82rem/1.55 var(--sans); color:var(--paper-light); }
.newsletter-form :disabled { cursor:not-allowed; }
.newsletter-form fieldset:disabled .newsletter-form__row { opacity:.55; }
.newsletter-form button:focus-visible, .newsletter-form input:focus-visible { outline:3px solid var(--ochre); outline-offset:3px; }