/* * landing.css — public landing page (the "Antacog Research Log"). * * Tokens: every palette is expressed in --landing-* names that drive the * editorial layout. Where a value lines up with the in-product token * scale (declared in app/assets/tailwind/application.css), we reuse it * via var() so the two surfaces never drift. The default (Cream) palette * is sharper than the Stone in-app theme; switch palettes by setting * data-palette on . * * Loaded via stylesheet_link_tag "landing" from layouts/landing.html.erb. */ :root { /* ——— Ink (default — dark, the brand's primary register) ——— */ --landing-bg: #141210; --landing-bg-warm: #1C1915; --landing-ink: #FAF9F6; --landing-ink-soft: #E8E4DB; --landing-ink-mid: #C9C2B3; --landing-ink-mute: var(--color-text-muted, #9C9585); --landing-ink-faint: var(--color-text-secondary, #6B6459); --landing-rule: #524A3E; --landing-rule-soft: #3A342B; --landing-amber: var(--color-accent-amber, #E8943A); --landing-amber-deep:#F2B76A; --landing-pulse: var(--color-accent-amber, #E8943A); --landing-selection-bg: var(--color-accent-amber, #E8943A); --landing-selection-fg: #141210; --landing-serif: 'Source Serif 4', Georgia, serif; --landing-sans: 'IBM Plex Sans', system-ui, sans-serif; --landing-mono: 'IBM Plex Mono', ui-monospace, monospace; --landing-measure: 760px; --landing-gutter: 200px; } /* ——— Cream (sharpened editorial register, light) ——— */ [data-palette="cream"] { --landing-bg: #F4EFE6; --landing-bg-warm: #ECE5D7; --landing-ink: #14110C; --landing-ink-soft: #2A241B; --landing-ink-mid: #4A4238; --landing-ink-mute: #76695A; --landing-ink-faint: #A39884; --landing-rule: #B8AB91; --landing-rule-soft: #D4C7AE; --landing-amber: var(--color-accent-amber-text, #B8690A); --landing-amber-deep:#6B3408; --landing-pulse: var(--color-accent-amber-text, #B8690A); --landing-selection-bg: var(--landing-ink); --landing-selection-fg: var(--landing-bg); } /* ——— Stone (workspace palette — continuity with the in-app product) ——— */ [data-palette="stone"] { --landing-bg: var(--color-bg, #F7F5F0); --landing-bg-warm: var(--color-bg-chrome, #EDEAE3); --landing-ink: var(--color-text-primary, #1C1915); --landing-ink-soft: #2D2820; --landing-ink-mid: var(--color-text-body, #3D3830); --landing-ink-mute: var(--color-text-secondary, #6B6459); --landing-ink-faint: var(--color-text-muted, #9C9585); --landing-rule: #B5AC9C; --landing-rule-soft: #D8D1C2; --landing-amber: var(--color-accent-amber-text, #B8690A); --landing-amber-deep:#8A4A05; --landing-pulse: var(--color-accent-amber, #E8943A); --landing-selection-bg: var(--landing-ink); --landing-selection-fg: var(--landing-bg); } /* ——— Paper (cool near-white, near-black ink) ——— */ [data-palette="paper"] { --landing-bg: #F2F0EB; --landing-bg-warm: #E8E5DE; --landing-ink: #0E0D0A; --landing-ink-soft: #232118; --landing-ink-mid: #3A372E; --landing-ink-mute: #6E695C; --landing-ink-faint: #9E978A; --landing-rule: #A89F8A; --landing-rule-soft: #CFC8B6; --landing-amber: #9A4F12; --landing-amber-deep:#6B3408; --landing-pulse: #B8690A; --landing-selection-bg: var(--landing-ink); --landing-selection-fg: var(--landing-bg); } /* ——— Graphite (cool dark — preprint / arXiv register) ——— */ [data-palette="graphite"] { --landing-bg: #15161A; --landing-bg-warm: #1D1E22; --landing-ink: #F2F2F0; --landing-ink-soft: #DEDED8; --landing-ink-mid: #B8B8B0; --landing-ink-mute: #898980; --landing-ink-faint: #5C5C55; --landing-rule: #4A4A45; --landing-rule-soft: #34342F; --landing-amber: #E0A05A; --landing-amber-deep:#F0BC7E; --landing-pulse: #E0A05A; --landing-selection-bg: #E0A05A; --landing-selection-fg: #15161A; } /* ——— Oxblood (warm dark with red-brown undertone — literary / journal) ——— */ [data-palette="oxblood"] { --landing-bg: #1A100E; --landing-bg-warm: #221814; --landing-ink: #F4ECDF; --landing-ink-soft: #DCD0BE; --landing-ink-mid: #BCAE99; --landing-ink-mute: #8B7E6C; --landing-ink-faint: #5E5347; --landing-rule: #4A3830; --landing-rule-soft: #2E211C; --landing-amber: #D88A4A; --landing-amber-deep:#E8A570; --landing-pulse: #D88A4A; --landing-selection-bg: #D88A4A; --landing-selection-fg: #1A100E; } /* ——— hide asterism in dark palettes (default + graphite/oxblood) — sharper rules carry the break. Light palettes get the typographic ornament back. */ .landing-asterism { display: none; } [data-palette="cream"] .landing-asterism, [data-palette="paper"] .landing-asterism, [data-palette="stone"] .landing-asterism { display: block; } /* ——— base ——— */ body.landing-page { margin: 0; background: var(--landing-bg); color: var(--landing-ink); font-family: var(--landing-serif); font-size: 19px; line-height: 1.65; font-weight: 400; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; font-feature-settings: "kern", "liga", "onum"; } body.landing-page *, body.landing-page *::before, body.landing-page *::after { box-sizing: border-box; } html.landing-page-html { scroll-behavior: smooth; } body.landing-page ::selection { background: var(--landing-selection-bg); color: var(--landing-selection-fg); } body.landing-page a { color: var(--landing-ink); text-decoration: none; border-bottom: 1px solid var(--landing-rule); transition: border-color .2s ease, color .2s ease; } body.landing-page a:hover { border-bottom-color: var(--landing-ink); } body.landing-page em, body.landing-page .italic { font-style: italic; } /* ——— page frame ——— */ .landing-page-frame { max-width: 1480px; margin: 0 auto; padding: 28px 56px 96px; position: relative; } /* Reading column: 1200px shell so the page actually fills modern monitors. Body prose is independently capped (see the per-element max-widths below) at ~880px so line length stays in the readable 75–95ch range; the wider shell lets section heads, the diagram, and the findings band span the full editorial measure. */ .landing-shell { max-width: 1200px; margin: 0 auto; } @media (max-width: 1280px) { .landing-page-frame { padding: 28px 32px 96px; max-width: 100%; } .landing-shell { max-width: 100%; } } @media (max-width: 680px) { .landing-page-frame { padding: 20px 22px 72px; } body.landing-page { font-size: 17px; } } /* ——— masthead ——— */ .landing-masthead { display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 14px; margin-bottom: 12px; border-bottom: 1px solid var(--landing-rule); } .landing-wordmark { font-family: var(--landing-serif); font-size: 19px; font-weight: 500; letter-spacing: -0.005em; color: var(--landing-ink); border: none; } .landing-wordmark .landing-wordmark-dot { color: var(--landing-amber); } .landing-nav { display: flex; gap: 26px; font-family: var(--landing-sans); font-size: 12.5px; letter-spacing: 0.02em; } .landing-nav a { color: var(--landing-ink-mid); border: none; padding-bottom: 2px; border-bottom: 1px solid transparent; transition: color .25s ease, border-color .25s ease; } .landing-nav a:hover { color: var(--landing-ink); border-bottom-color: var(--landing-rule); } .landing-nav a.is-active { color: var(--landing-ink); border-bottom-color: var(--landing-amber); } /* ——— status strip ——— */ .landing-status { font-family: var(--landing-mono); font-size: 11px; letter-spacing: 0.02em; color: var(--landing-ink-mute); display: flex; gap: 18px; flex-wrap: wrap; padding-bottom: 40px; } .landing-status .landing-status-key { color: var(--landing-ink-faint); text-transform: uppercase; letter-spacing: 0.14em; font-size: 10px; margin-right: 6px; } .landing-status .landing-status-val { color: var(--landing-ink-mute); } .landing-status .landing-status-flight { border: none; display: inline-flex; align-items: baseline; } .landing-status .landing-status-flight-label { font-family: var(--landing-serif); font-style: italic; font-size: 13px; color: var(--landing-ink-mid); letter-spacing: 0; } .landing-status .landing-pulse { display: inline-block; width: 6px; height: 6px; background: var(--landing-pulse); border-radius: 50%; margin-right: 8px; transform: translateY(-1px); animation: landing-pulse 2.4s ease-in-out infinite; } @keyframes landing-pulse { 0%, 100% { opacity: 0.45; } 50% { opacity: 1; } } @media (max-width: 680px) { .landing-status { padding-bottom: 64px; gap: 12px; font-size: 10.5px; } } /* ——— hero ——— */ .landing-hero { padding-top: 8px; padding-bottom: 28px; position: relative; text-align: center; } .landing-eyebrow { font-family: var(--landing-sans); font-size: 10.5px; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--landing-ink-mute); margin: 0 0 32px; line-height: 1.5; } .landing-eyebrow .landing-eyebrow-sep { color: var(--landing-ink-faint); padding: 0 8px; } .landing-hero-title { font-family: var(--landing-serif); font-size: 64px; line-height: 1; font-weight: 500; letter-spacing: -0.025em; color: var(--landing-ink); margin: 0 0 36px; font-feature-settings: "kern", "liga", "onum"; } @media (max-width: 680px) { .landing-hero-title { font-size: 48px; margin-bottom: 28px; } } .landing-thesis { font-family: var(--landing-serif); font-size: 32px; line-height: 1.18; font-weight: 400; letter-spacing: -0.014em; color: var(--landing-ink); margin: 0 0 28px; text-wrap: pretty; font-feature-settings: "kern", "liga", "onum"; } @media (max-width: 680px) { .landing-thesis { font-size: 24px; } } .landing-thesis em { font-style: italic; font-weight: 400; color: var(--landing-amber); } .landing-hero-bridge { font-family: var(--landing-mono); font-size: 11px; line-height: 1.55; letter-spacing: 0; text-transform: uppercase; color: var(--landing-ink-mute); max-width: 720px; margin: 0 auto 26px; } .landing-hero .landing-lede { font-size: 19px; color: var(--landing-ink-soft); max-width: 880px; line-height: 1.6; margin: 0 auto 18px; text-align: left; } .landing-hero .landing-lede em { font-style: italic; color: var(--landing-ink); } .landing-personal { font-family: var(--landing-serif); font-size: 16.5px; line-height: 1.6; color: var(--landing-ink-mid); max-width: 880px; margin: 0 auto 28px; text-align: left; } .landing-personal em { font-style: italic; } .landing-background { font-family: var(--landing-sans); font-size: 13px; line-height: 1.6; color: var(--landing-ink-mute); max-width: 880px; margin: 8px auto 0; padding: 16px 0 0; border-top: 1px solid var(--landing-rule-soft); text-align: left; } .landing-background em { font-style: italic; color: var(--landing-ink-mid); } /* ——— manifesto ——— */ .landing-manifesto { padding-top: 32px; padding-bottom: 72px; position: relative; } .landing-claim { padding: 22px 0; position: relative; } .landing-claim + .landing-claim { border-top: 1px solid var(--landing-rule-soft); } .landing-claim:first-of-type { padding-top: 0; } .landing-claim:last-of-type { padding-bottom: 0; } .landing-claim h2 { font-family: var(--landing-serif); font-style: italic; font-weight: 400; font-size: 23px; line-height: 1.32; color: var(--landing-ink); margin: 0 auto 12px; letter-spacing: -0.005em; text-wrap: balance; max-width: 880px; } .landing-claim p { color: var(--landing-ink-soft); font-size: 18px; line-height: 1.62; margin: 0 auto; max-width: 880px; } .landing-claim .landing-roman-mark { position: absolute; left: -56px; top: 26px; font-family: var(--landing-serif); font-style: italic; font-size: 14px; color: var(--landing-ink-faint); } .landing-claim:first-of-type .landing-roman-mark { top: 4px; } @media (max-width: 1100px) { .landing-claim .landing-roman-mark { display: none; } } /* ——— asterism ——— */ .landing-asterism { text-align: center; font-family: var(--landing-serif); font-size: 14px; color: var(--landing-ink-faint); letter-spacing: 0.6em; padding: 8px 0 24px; user-select: none; } /* ——— current investigation ——— */ .landing-current { margin-bottom: 96px; position: relative; } .landing-current[data-variant="inline"] { display: flex; gap: 18px; align-items: baseline; padding: 18px 0; border-top: 1px solid var(--landing-rule-soft); border-bottom: 1px solid var(--landing-rule-soft); } .landing-current[data-variant="inline"] .landing-current-stamp { font-family: var(--landing-mono); font-size: 11px; letter-spacing: 0.04em; color: var(--landing-ink-mute); white-space: nowrap; padding-top: 4px; flex-shrink: 0; } .landing-current[data-variant="inline"] .landing-pulse-inline { display: inline-block; width: 5px; height: 5px; background: var(--landing-pulse); border-radius: 50%; margin-right: 8px; transform: translateY(-1px); animation: landing-pulse 2.4s ease-in-out infinite; } .landing-current[data-variant="inline"] .landing-current-body { font-family: var(--landing-serif); font-style: italic; font-size: 17px; color: var(--landing-ink-soft); line-height: 1.55; } .landing-current[data-variant="callout"] { padding: 22px 26px; background: var(--landing-bg-warm); border-left: 2px solid var(--landing-pulse); } .landing-current[data-variant="callout"] .landing-current-stamp { display: block; font-family: var(--landing-sans); font-size: 10px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--landing-amber-deep); margin-bottom: 10px; } .landing-current[data-variant="callout"] .landing-pulse-inline { display: none; } .landing-current[data-variant="callout"] .landing-current-body { font-family: var(--landing-serif); font-style: italic; font-size: 17px; color: var(--landing-ink); line-height: 1.55; } .landing-current[data-variant="quiet"] { padding: 0; margin-bottom: 80px; } .landing-current[data-variant="quiet"] .landing-current-stamp { font-family: var(--landing-mono); font-size: 10.5px; letter-spacing: 0.04em; color: var(--landing-ink-mute); margin-right: 12px; text-transform: uppercase; } .landing-current[data-variant="quiet"] .landing-pulse-inline { display: none; } .landing-current[data-variant="quiet"] .landing-current-body { display: inline; font-family: var(--landing-serif); font-style: italic; font-size: 17px; color: var(--landing-ink-mid); line-height: 1.55; } /* ——— section heads ——— */ .landing-section-head { display: flex; align-items: baseline; justify-content: space-between; font-family: var(--landing-sans); font-size: 10.5px; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--landing-ink-mute); margin-bottom: 32px; padding-bottom: 14px; border-bottom: 1px solid var(--landing-rule); } .landing-section-head .landing-section-num { color: var(--landing-ink-faint); font-weight: 400; margin-left: 10px; letter-spacing: 0.14em; } .landing-section-head .landing-section-meta { color: var(--landing-ink-faint); font-weight: 400; letter-spacing: 0.14em; font-size: 10px; } /* ——— findings ——— */ .landing-findings { padding-bottom: 96px; } /* Five-at-a-time progressive disclosure. The Stimulus controller toggles `is-expanded` on the section root; without it, items beyond the cap are hidden and a fade peeks out from the last visible row. */ .landing-finding-collapsed { display: none; } .landing-findings.is-expanded .landing-finding-collapsed { display: block; } .landing-show-more-row { display: flex; justify-content: center; padding-top: 32px; border-top: 1px solid var(--landing-rule-soft); } .landing-show-more { background: none; border: 1px solid var(--landing-rule-soft); color: var(--landing-faint); font-family: "IBM Plex Mono", monospace; font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; padding: 10px 20px; border-radius: 999px; cursor: pointer; transition: color 200ms, border-color 200ms; } .landing-show-more:hover { color: var(--landing-ink); border-color: var(--landing-rule); } .landing-finding { padding: 32px 0; border-bottom: 1px solid var(--landing-rule-soft); position: relative; transition: padding-left .4s cubic-bezier(0.22, 0.61, 0.36, 1); } .landing-finding::before { content: ''; position: absolute; left: -14px; top: 38px; bottom: 30px; width: 1px; background: var(--landing-amber); opacity: 0; transform: scaleY(0.3); transform-origin: top; transition: opacity .35s ease, transform .55s cubic-bezier(0.22, 0.61, 0.36, 1); pointer-events: none; } .landing-finding:hover::before { opacity: 0.7; transform: scaleY(1); } .landing-finding:first-of-type::before { top: 12px; } .landing-finding:first-of-type { padding-top: 4px; } .landing-finding:last-of-type { border-bottom: none; padding-bottom: 12px; } .landing-finding .landing-finding-meta { display: flex; align-items: baseline; gap: 12px; margin-bottom: 12px; font-family: var(--landing-mono); font-size: 11.5px; font-weight: 400; color: var(--landing-ink-mute); letter-spacing: 0.02em; flex-wrap: wrap; } .landing-finding .landing-finding-num { color: var(--landing-amber-deep); font-weight: 500; border: none; padding-bottom: 0; } .landing-finding .landing-finding-num:hover { color: var(--landing-ink); } .landing-finding .landing-finding-dot { width: 3px; height: 3px; background: var(--landing-rule); border-radius: 50%; align-self: center; flex-shrink: 0; } .landing-finding h3 { font-family: var(--landing-serif); font-size: 26px; line-height: 1.22; font-weight: 400; letter-spacing: -0.012em; color: var(--landing-ink); margin: 0 0 14px; text-wrap: pretty; } @media (max-width: 680px) { .landing-finding h3 { font-size: 22px; } } .landing-finding h3 a { color: inherit; border: none; transition: color .25s ease; } .landing-finding h3 a:hover { color: var(--landing-amber-deep); } .landing-finding .landing-finding-synopsis { color: var(--landing-ink-soft); font-size: 18px; line-height: 1.6; margin: 0 auto 18px; max-width: 880px; } .landing-finding .landing-read { font-family: var(--landing-sans); font-size: 12.5px; letter-spacing: 0.02em; color: var(--landing-ink-mid); border: none; display: inline-flex; align-items: center; gap: 8px; padding-bottom: 2px; border-bottom: 1px solid var(--landing-rule); transition: color .2s ease, border-color .2s ease; } .landing-finding .landing-read:hover { color: var(--landing-amber-deep); border-bottom-color: var(--landing-amber-deep); } .landing-finding .landing-arrow { display: inline-block; transition: transform .25s ease; font-family: var(--landing-serif); } .landing-finding .landing-read:hover .landing-arrow { transform: translateX(3px); } .landing-finding .landing-roman-mark { position: absolute; left: calc(-1 * var(--landing-gutter) + 32px); top: 36px; width: calc(var(--landing-gutter) - 64px); font-family: var(--landing-mono); font-size: 10px; letter-spacing: 0.16em; color: var(--landing-ink-faint); text-transform: uppercase; line-height: 1.5; } .landing-finding:first-of-type .landing-roman-mark { top: 8px; } .landing-finding .landing-roman-mark .landing-row { display: block; } .landing-finding .landing-roman-mark .landing-row + .landing-row { margin-top: 4px; } @media (max-width: 1100px) { .landing-finding .landing-roman-mark { display: none; } } /* ——— open questions ——— */ .landing-questions { padding-bottom: 96px; } .landing-question { padding: 28px 0; border-bottom: 1px solid var(--landing-rule-soft); position: relative; } .landing-question:first-of-type { padding-top: 4px; } .landing-question:last-of-type { border-bottom: none; padding-bottom: 12px; } .landing-question .landing-question-text { font-family: var(--landing-serif); font-size: 22px; line-height: 1.32; font-weight: 400; color: var(--landing-ink); margin: 0 auto 16px; letter-spacing: -0.008em; text-wrap: pretty; max-width: 880px; } .landing-question .landing-question-grid { max-width: 880px; margin-left: auto; margin-right: auto; } @media (max-width: 680px) { .landing-question .landing-question-text { font-size: 19px; } } .landing-question .landing-question-grid { display: grid; grid-template-columns: 96px 1fr; gap: 8px 18px; font-size: 16px; color: var(--landing-ink-soft); line-height: 1.55; margin: 0; } .landing-question .landing-question-grid dt { font-family: var(--landing-sans); font-size: 10px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--landing-ink-mute); padding-top: 5px; } .landing-question .landing-question-grid dd { padding-bottom: 6px; margin: 0; } .landing-question .landing-question-grid dd:last-of-type { padding-bottom: 0; } @media (max-width: 600px) { .landing-question .landing-question-grid { grid-template-columns: 1fr; gap: 2px 0; } .landing-question .landing-question-grid dt { padding-top: 8px; } .landing-question .landing-question-grid dd { padding-bottom: 8px; } } .landing-question .landing-roman-mark { position: absolute; left: calc(-1 * var(--landing-gutter) + 32px); top: 32px; width: calc(var(--landing-gutter) - 64px); font-family: var(--landing-serif); font-style: italic; font-size: 14px; color: var(--landing-ink-faint); line-height: 1.5; } .landing-question:first-of-type .landing-roman-mark { top: 8px; } @media (max-width: 1100px) { .landing-question .landing-roman-mark { display: none; } } /* ——— methodology + access ——— */ .landing-method, .landing-access { padding-bottom: 96px; } .landing-method p, .landing-access p { font-family: var(--landing-serif); color: var(--landing-ink-soft); font-size: 18px; line-height: 1.6; max-width: 880px; margin: 0 auto; } .landing-access p em { font-style: italic; color: var(--landing-ink); } .landing-pointer { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; font-family: var(--landing-sans); font-size: 13px; color: var(--landing-ink); border: none; border-bottom: 1px solid var(--landing-rule); padding-bottom: 2px; } .landing-pointer:hover { border-bottom-color: var(--landing-ink); } .landing-access .landing-pointer:hover { color: var(--landing-amber); } .landing-pointer .landing-arrow { transition: transform .25s ease; font-family: var(--landing-serif); } .landing-pointer:hover .landing-arrow { transform: translateX(3px); } /* ——— footer ——— */ .landing-footer { border-top: 1px solid var(--landing-rule); padding-top: 28px; font-family: var(--landing-mono); font-size: 11px; color: var(--landing-ink-mute); letter-spacing: 0.02em; display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 20px; } .landing-footer .landing-footer-left, .landing-footer .landing-footer-right { display: flex; gap: 22px; flex-wrap: wrap; } .landing-footer a { color: var(--landing-ink-mute); border: none; } .landing-footer a:hover { color: var(--landing-ink); } .landing-footer .landing-footer-copy { color: var(--landing-ink-faint); } /* ——— sign-in (editorial register, single screen) ——— */ .landing-signin { max-width: 380px; margin: 0 auto; padding: 88px 24px 64px; text-align: left; } .landing-signin-wordmark { display: inline-block; font-family: var(--landing-serif); font-size: 19px; font-weight: 500; letter-spacing: -0.005em; color: var(--landing-ink); border: none; margin: 0 0 56px; } .landing-signin-heading { font-family: var(--landing-serif); font-weight: 400; font-size: 28px; line-height: 1.2; letter-spacing: -0.012em; color: var(--landing-ink); margin: 0 0 6px; } .landing-signin-sub { font-family: var(--landing-serif); font-style: italic; font-size: 15px; color: var(--landing-ink-mute); margin: 0 0 32px; } .landing-signin-form { margin: 0; } .landing-signin-field { margin-bottom: 18px; } .landing-signin-label { display: block; font-family: var(--landing-sans); font-size: 10.5px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--landing-ink-mute); margin-bottom: 8px; } .landing-signin-input { width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--landing-rule); padding: 8px 0 10px; font-family: var(--landing-serif); font-size: 16px; color: var(--landing-ink); outline: none; transition: border-color .2s ease; } .landing-signin-input:focus { border-bottom-color: var(--landing-amber); } .landing-signin-input::placeholder { color: var(--landing-ink-faint); } .landing-signin-row { display: flex; align-items: center; justify-content: space-between; margin: 14px 0 28px; font-family: var(--landing-sans); font-size: 12.5px; } .landing-signin-remember { display: inline-flex; align-items: center; gap: 8px; color: var(--landing-ink-mute); } .landing-signin-remember input[type="checkbox"] { accent-color: var(--landing-amber); } .landing-signin-meta { color: var(--landing-ink-mute); border: none; border-bottom: 1px solid transparent; padding-bottom: 1px; transition: color .2s ease, border-color .2s ease; } .landing-signin-meta:hover { color: var(--landing-ink); border-bottom-color: var(--landing-rule); } .landing-signin-submit { width: 100%; background: var(--landing-amber); color: var(--landing-bg); font-family: var(--landing-sans); font-size: 13.5px; font-weight: 500; letter-spacing: 0.02em; padding: 12px 16px; border: 0; border-radius: 4px; cursor: pointer; transition: filter .15s ease; } .landing-signin-submit:hover { filter: brightness(1.05); } .landing-signin-submit:active { filter: brightness(0.95); } .landing-signin-footer { margin: 28px 0 0; font-family: var(--landing-sans); font-size: 12.5px; color: var(--landing-ink-mute); text-align: center; } .landing-signin-footer a { color: var(--landing-amber); border: none; border-bottom: 1px solid transparent; padding-bottom: 1px; transition: color .2s ease, border-color .2s ease; } .landing-signin-footer a:hover { color: var(--landing-amber-deep); border-bottom-color: var(--landing-amber-deep); } .landing-flash { max-width: 380px; margin: 0 auto 18px; font-family: var(--landing-sans); font-size: 13px; } @media (max-width: 480px) { .landing-signin { padding: 56px 22px 48px; } } /* Variant: a wider editorial column for the TOS gate and invite flows */ .landing-signin.is-wide { max-width: 640px; } /* Disabled / read-only inputs (the invite-show email field, locked because the invite carries the email). Keeps the same rule-bottom register but reads as quietly inert. */ .landing-signin-input:disabled, .landing-signin-input[disabled] { color: var(--landing-ink-mute); opacity: 0.7; cursor: not-allowed; } .landing-signin-hint { font-family: var(--landing-sans); font-size: 11px; color: var(--landing-ink-faint); margin: 6px 0 0; } .landing-signin-errors { margin: 0 0 18px; padding: 12px 14px; border-left: 2px solid var(--landing-amber); background: var(--landing-bg-warm); font-family: var(--landing-sans); font-size: 13px; color: var(--landing-ink-soft); } .landing-signin-errors ul { margin: 0; padding-left: 18px; } /* Long-form editorial prose (TOS document, etc.). Inherits typographic register from landing-page; this just adds rhythm and bounded width. */ .landing-prose { font-family: var(--landing-serif); color: var(--landing-ink-soft); font-size: 17px; line-height: 1.65; max-width: 680px; margin: 0 auto; padding: 64px 24px 80px; } .landing-prose h1 { font-family: var(--landing-serif); font-size: 32px; line-height: 1.18; font-weight: 400; letter-spacing: -0.018em; color: var(--landing-ink); margin: 0 0 24px; text-wrap: balance; } .landing-prose h2 { font-family: var(--landing-serif); font-size: 22px; font-weight: 400; font-style: italic; letter-spacing: -0.005em; color: var(--landing-ink); margin: 36px 0 12px; } .landing-prose h3 { font-family: var(--landing-sans); font-size: 11px; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--landing-ink-mute); margin: 28px 0 10px; } .landing-prose p { margin: 0 0 14px; } .landing-prose ul, .landing-prose ol { margin: 0 0 14px 20px; padding: 0; } .landing-prose li { margin-bottom: 6px; } .landing-prose strong { color: var(--landing-ink); font-weight: 500; } .landing-prose em { font-style: italic; } .landing-prose a { color: var(--landing-ink); border-bottom: 1px solid var(--landing-rule); } .landing-prose a:hover { border-bottom-color: var(--landing-ink); } .landing-prose hr { border: 0; border-top: 1px solid var(--landing-rule-soft); margin: 32px 0; } /* TOS gate — embedded scroll-window over the markdown copy so the form below sits on one screen. */ .landing-tos-window { max-height: 360px; overflow-y: auto; margin: 24px 0; padding: 18px 22px; border: 1px solid var(--landing-rule); background: var(--landing-bg-warm); color: var(--landing-ink-soft); font-family: var(--landing-serif); font-size: 15px; line-height: 1.6; } .landing-tos-window h1, .landing-tos-window h2 { font-size: 17px; margin: 14px 0 8px; font-family: var(--landing-serif); font-weight: 500; color: var(--landing-ink); } .landing-tos-window h3 { font-family: var(--landing-sans); font-size: 11px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--landing-ink-mute); margin: 14px 0 6px; } .landing-tos-window p { margin: 0 0 10px; } .landing-tos-window ul, .landing-tos-window ol { margin: 0 0 10px 18px; padding: 0; } .landing-tos-window li { margin-bottom: 4px; } .landing-acknowledge { margin: 20px 0; padding: 18px 20px; border-left: 2px solid var(--landing-amber); background: var(--landing-bg-warm); font-family: var(--landing-sans); font-size: 13.5px; color: var(--landing-ink-soft); line-height: 1.55; } .landing-acknowledge ul { margin: 8px 0 0 18px; padding: 0; } .landing-acknowledge li { margin-bottom: 4px; } .landing-acknowledge strong { color: var(--landing-ink); font-weight: 500; } .landing-signin-checkbox { display: flex; gap: 10px; align-items: flex-start; margin: 18px 0 24px; font-family: var(--landing-sans); font-size: 13.5px; color: var(--landing-ink-soft); } .landing-signin-checkbox input[type="checkbox"] { margin-top: 4px; accent-color: var(--landing-amber); } .landing-signin-actions { display: flex; gap: 12px; align-items: center; } .landing-signin-actions .landing-signin-submit { flex: 1; } .landing-signin-actions .landing-signin-submit:disabled { opacity: 0.5; cursor: not-allowed; } .landing-signin-cancel { font-family: var(--landing-sans); font-size: 13px; color: var(--landing-ink-mute); border: none; border-bottom: 1px solid transparent; padding-bottom: 1px; } .landing-signin-cancel:hover { color: var(--landing-ink); border-bottom-color: var(--landing-rule); } .landing-error { font-family: var(--landing-serif); text-align: center; padding: 88px 24px 64px; max-width: 480px; margin: 0 auto; } .landing-error h1 { font-family: var(--landing-serif); font-size: 26px; font-weight: 400; color: var(--landing-ink); margin: 0 0 12px; letter-spacing: -0.012em; } .landing-error p { color: var(--landing-ink-mute); font-size: 16px; line-height: 1.55; margin: 0 0 16px; } .landing-error a { color: var(--landing-amber); border: none; border-bottom: 1px solid transparent; padding-bottom: 1px; } .landing-error a:hover { color: var(--landing-amber-deep); border-bottom-color: var(--landing-amber-deep); } /* ——— reading-progress hairline ——— */ .landing-progress { position: fixed; top: 0; left: 0; height: 1px; width: 0%; background: var(--landing-amber); z-index: 1001; transition: width 0.12s linear; pointer-events: none; } /* ——— page-load reveal ——— */ body.landing-page .landing-fade { opacity: 0; transform: translateY(8px); } body.landing-page.is-revealed .landing-fade { animation: landing-fadein 0.8s cubic-bezier(0.22, 0.61, 0.36, 1) forwards; } body.landing-page.is-revealed .landing-fade-1 { animation-delay: 0.05s; } body.landing-page.is-revealed .landing-fade-2 { animation-delay: 0.14s; } body.landing-page.is-revealed .landing-fade-3 { animation-delay: 0.24s; } body.landing-page.is-revealed .landing-fade-4 { animation-delay: 0.36s; } body.landing-page.is-revealed .landing-fade-5 { animation-delay: 0.48s; } body.landing-page.is-revealed .landing-fade-6 { animation-delay: 0.60s; } body.landing-page.is-revealed .landing-fade-7 { animation-delay: 0.72s; } body.landing-page.is-revealed .landing-fade-8 { animation-delay: 0.84s; } @keyframes landing-fadein { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } } @media (prefers-reduced-motion: reduce) { body.landing-page .landing-fade { opacity: 1; transform: none; } body.landing-page.is-revealed .landing-fade { animation: none; } .landing-progress { display: none; } html.landing-page-html { scroll-behavior: auto; } } /* ——— position section ——— */ .landing-position { padding-bottom: 16px; position: relative; } .landing-position-lead { font-family: var(--landing-serif); font-style: italic; font-weight: 400; font-size: 26px; line-height: 1.24; color: var(--landing-ink); letter-spacing: -0.008em; margin-bottom: 22px; text-wrap: balance; max-width: 620px; } @media (max-width: 680px) { .landing-position-lead { font-size: 22px; } } .landing-position-body { color: var(--landing-ink-soft); font-size: 17.5px; line-height: 1.62; margin-bottom: 14px; max-width: 620px; } .landing-position-body:last-of-type { margin-bottom: 0; } .landing-position-body em { font-style: italic; } .landing-position-emphasis em { color: var(--landing-ink); } /* "Agents execute. Ant governs." — the architectural punch line between the setup paragraph and the emphasis paragraph. Italic serif at lead size, with its own breathing room. */ .landing-position-punch { font-family: var(--landing-serif); font-style: italic; font-size: 22px; line-height: 1.32; color: var(--landing-ink); letter-spacing: -0.008em; margin: 8px 0 24px; max-width: 620px; } @media (max-width: 680px) { .landing-position-punch { font-size: 19px; } } .landing-position-roman { position: absolute; left: calc(-1 * var(--landing-gutter) + 32px); top: 76px; width: calc(var(--landing-gutter) - 64px); font-family: var(--landing-serif); font-style: italic; font-size: 13px; color: var(--landing-ink-faint); letter-spacing: 0; } @media (max-width: 1100px) { .landing-position-roman { display: none; } } /* ——— diagram figure (Fig. 1 — The Ant Loop) ——— */ /* The figure breaks out of the narrow content measure so the diagram has room to breathe. The page itself is capped at (--landing-measure + --landing-gutter + 64px) and centred, so stretching to 100vw (clamped) lets the diagram fill the full visual gutter without bleeding to the edges on wide displays. */ .landing-diagram-figure { margin: 40px 0 0; padding: 0; position: relative; width: 100%; max-width: 100%; } /* In the hero, the figure fills the shell (1200px max) — already wide enough to give the diagram presence without negative-margin breakout. */ .landing-hero .landing-diagram-figure { width: 100%; margin: 18px 0 32px; max-width: 100%; } .landing-diagram-scroll { border-top: 1px solid var(--landing-rule-soft); padding: 28px 0 22px; overflow-x: auto; -webkit-overflow-scrolling: touch; background: var(--landing-bg); } .landing-diagram { width: 100%; height: auto; display: block; min-width: 720px; max-width: 1100px; margin: 0 auto; } /* In the hero column the available width is ~760px; let the SVG scale down to fit instead of forcing horizontal scroll. */ .landing-hero .landing-diagram { min-width: 0; } /* Inspector — fills with content on hover of a diagram element */ .landing-diagram-inspector { border-top: 1px solid var(--landing-rule-soft); border-bottom: 1px solid var(--landing-rule-soft); background: var(--landing-bg-warm); padding: 22px 28px 26px; min-height: 146px; position: relative; } .landing-diagram-inspector-empty { font-family: var(--landing-serif); font-style: italic; color: var(--landing-ink-faint); font-size: 14.5px; line-height: 1.6; text-align: center; max-width: 600px; margin: 0 auto; } .landing-diagram-inspector-empty kbd { font-family: var(--landing-mono); font-style: normal; font-size: 11px; padding: 1px 6px; border: 1px solid var(--landing-rule); border-radius: 2px; color: var(--landing-ink-soft); background: var(--landing-bg); margin: 0 1px; } .landing-diagram-inspector-card { display: none; max-width: 620px; margin: 0 auto; text-align: center; } .landing-diagram-inspector-card.is-shown { display: block; } .landing-diagram-inspector-eyebrow { font-family: var(--landing-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--landing-ink-mute); margin-bottom: 8px; } .landing-diagram-inspector-title { font-family: var(--landing-serif); font-weight: 400; font-style: italic; font-size: 22px; color: var(--landing-amber-deep); margin-bottom: 10px; letter-spacing: -0.005em; line-height: 1.2; } .landing-diagram-inspector-body { font-family: var(--landing-serif); font-size: 15.5px; line-height: 1.55; color: var(--landing-ink-soft); margin-bottom: 12px; text-wrap: pretty; } .landing-diagram-inspector-eg { font-family: var(--landing-mono); font-size: 11.5px; color: var(--landing-ink-mute); line-height: 1.55; letter-spacing: 0.01em; padding-top: 12px; border-top: 1px solid var(--landing-rule-soft); } .landing-diagram-figcaption { font-family: var(--landing-serif); font-size: 14.5px; line-height: 1.55; color: var(--landing-ink-mute); text-align: center; margin: 18px auto 0; max-width: 720px; text-wrap: pretty; } .landing-diagram-figcaption em { font-style: italic; color: var(--landing-ink-mid); } /* SVG diagram element styles */ .landing-diagram-label-serif { font-family: var(--landing-serif); font-style: italic; fill: var(--landing-ink); } .landing-diagram-label-amber { font-family: var(--landing-serif); font-style: italic; fill: var(--landing-amber-deep); } .landing-diagram-label-mute { font-family: var(--landing-serif); font-style: italic; fill: var(--landing-ink-mute); } .landing-diagram-meta-mono { font-family: var(--landing-mono); letter-spacing: 0.18em; fill: var(--landing-ink-mute); } .landing-diagram-meta-faint { font-family: var(--landing-mono); letter-spacing: 0.18em; fill: var(--landing-ink-faint); } .landing-diagram-arc-ink { stroke: var(--landing-ink); stroke-width: 1; fill: none; transition: stroke .2s ease, stroke-width .2s ease; } .landing-diagram-arc-amber { stroke: var(--landing-amber); stroke-width: 1.4; fill: none; transition: stroke .2s ease, stroke-width .2s ease; } .landing-diagram-arc-mute { stroke: var(--landing-ink-mute); stroke-width: 1; fill: none; transition: stroke .2s ease, stroke-width .2s ease; } .landing-diagram-fill-ink { fill: var(--landing-ink); stroke: none; } .landing-diagram-fill-amber { fill: var(--landing-amber); stroke: none; } .landing-diagram-fill-mute { fill: var(--landing-ink-mute); stroke: none; } .landing-diagram-particle-ink { fill: var(--landing-ink); } .landing-diagram-particle-amber { fill: var(--landing-amber); } .landing-diagram-ant-box { fill: var(--landing-bg); stroke: var(--landing-ink); stroke-width: 1.25; } /* Hover targets */ .landing-diagram-hot { cursor: pointer; } .landing-diagram-hit { fill: transparent; pointer-events: all; } .landing-diagram-hit-stroke { stroke: transparent; fill: none; stroke-width: 18; pointer-events: stroke; } /* Hover state — respect the color hierarchy. Ink stays ink (weight only). Amber deepens within its family. Mute lifts to ink. Arcs thicken. */ .landing-diagram-hot text { transition: fill .2s ease, font-weight .2s ease; } .landing-diagram-hot.is-hover .landing-diagram-label-serif { font-weight: 500; } .landing-diagram-hot.is-hover .landing-diagram-label-amber { fill: var(--landing-amber-deep); font-weight: 500; } .landing-diagram-hot.is-hover .landing-diagram-label-mute { fill: var(--landing-ink); font-weight: 500; } .landing-diagram-hot .landing-diagram-arc-ink, .landing-diagram-hot .landing-diagram-arc-amber, .landing-diagram-hot .landing-diagram-arc-mute { transition: stroke-width .2s ease; } .landing-diagram-hot.is-hover .landing-diagram-arc-ink { stroke-width: 1.6; } .landing-diagram-hot.is-hover .landing-diagram-arc-amber { stroke-width: 2.0; } .landing-diagram-hot.is-hover .landing-diagram-arc-mute { stroke-width: 1.3; } /* Directional arrow glyphs inside outcome labels stay amber so the eye reads direction even when the surrounding word is muted. */ .landing-diagram-arrow-amber { fill: var(--landing-amber); } .landing-diagram-hot.is-hover .landing-diagram-arrow-amber { fill: var(--landing-amber-deep); } /* Substrate row styling — the four rows inside the Ant box */ .landing-diagram-substrate-row .landing-diagram-row-bg { fill: transparent; transition: fill .2s ease; } .landing-diagram-substrate-row .landing-diagram-row-num { font-family: var(--landing-mono); font-size: 8.5px; letter-spacing: 0.04em; fill: var(--landing-ink-faint); transition: fill .2s ease; } .landing-diagram-substrate-row .landing-diagram-row-name { font-family: var(--landing-serif); font-style: italic; font-size: 13px; fill: var(--landing-ink-mute); transition: fill .2s ease; } .landing-diagram-substrate-row.is-hover .landing-diagram-row-bg { fill: var(--landing-amber); fill-opacity: 0.06; } .landing-diagram-substrate-row.is-hover .landing-diagram-row-num { fill: var(--landing-ink-mute); } .landing-diagram-substrate-row.is-hover .landing-diagram-row-name { fill: var(--landing-ink); font-weight: 500; } @media (prefers-reduced-motion: reduce) { .landing-diagram animateMotion { display: none; } } /* ============================================================================ ENHANCEMENT LAYER — small-press research-log artifact ---------------------------------------------------------------------------- Atmospheric texture, page anatomy, and editorial micro-details that turn the page from a clean document into a physical-feeling artifact. Strictly additive — no existing rules are modified. Reduced-motion is honoured at the end of the block. ============================================================================ */ /* ——— paper grain ——— Fixed full-viewport SVG fractal-noise overlay at very low opacity. Sits above the background and below all content via z-index, with pointer-events: none so it never intercepts interactions. Inline data-URI so there are no extra HTTP requests. */ body.landing-page::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 1; opacity: 0.045; background-image: url("data:image/svg+xml;utf8,"); mix-blend-mode: overlay; } /* Lift content above the grain. */ .landing-page-frame, .landing-plate-marks, .landing-spine { position: relative; z-index: 2; } /* ——— plate marks ——— Four small crosshairs anchored to the viewport corners, mimicking the printer's plate registration marks on a press-set page. Tiny enough to read as ornament; persistent so they frame every section as you scroll. */ .landing-plate-marks { position: fixed; inset: 0; pointer-events: none; z-index: 3; } .landing-plate-mark { position: absolute; width: 16px; height: 16px; opacity: 0.42; background-image: linear-gradient(var(--landing-ink-faint), var(--landing-ink-faint)), linear-gradient(var(--landing-ink-faint), var(--landing-ink-faint)); background-size: 100% 1px, 1px 100%; background-position: center, center; background-repeat: no-repeat; } .landing-plate-mark--tl { top: 16px; left: 16px; } .landing-plate-mark--tr { top: 16px; right: 16px; } .landing-plate-mark--bl { bottom: 16px; left: 16px; } .landing-plate-mark--br { bottom: 16px; right: 16px; } @media (max-width: 680px) { .landing-plate-marks { display: none; } } /* ——— spine label ——— Vertical edition mark on the left edge of the viewport — a journal spine reading top-to-bottom. Hidden below 1280px where it would crowd the shell; aria-hidden because the same info is in the status strip. */ .landing-spine { position: fixed; left: 28px; top: 50%; transform: translateY(-50%) rotate(-90deg); transform-origin: left center; pointer-events: none; font-family: var(--landing-mono); font-size: 10px; letter-spacing: 0.36em; text-transform: uppercase; color: var(--landing-ink-faint); white-space: nowrap; z-index: 3; } .landing-spine::before, .landing-spine::after { content: ""; display: inline-block; width: 22px; height: 1px; background: var(--landing-ink-faint); vertical-align: middle; margin: 0 14px; opacity: 0.55; } @media (max-width: 1280px) { .landing-spine { display: none; } } /* (Drop cap removed — overpowered the lede.) */ /* ——— folio plate (findings) ——— Surface the existing .landing-roman-mark as the folio marker even on narrower viewports where the original design hid it. Becomes a small inline column on the left of each finding article, with a hairline divider separating it from the body. */ .landing-finding { position: relative; padding-left: 0; } .landing-finding .landing-roman-mark { position: static; display: block; width: auto; margin: 0 0 14px; padding: 10px 0 12px; font-family: var(--landing-mono); font-style: normal; font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--landing-ink-faint); border-top: 1px solid var(--landing-rule-soft); border-bottom: 1px solid var(--landing-rule-soft); } .landing-finding .landing-roman-mark .landing-row { display: inline-block; margin-right: 18px; } .landing-finding .landing-roman-mark .landing-row + .landing-row::before { content: "·"; color: var(--landing-ink-faint); margin-right: 18px; opacity: 0.6; } .landing-finding .landing-roman-mark .landing-row + .landing-row { margin-left: 0; } /* The first row (number) gets weight — it's the folio's plate number. */ .landing-finding .landing-roman-mark .landing-row:first-child { color: var(--landing-amber-deep); font-weight: 500; letter-spacing: 0.18em; } @media (max-width: 1100px) { .landing-finding .landing-roman-mark { display: block; } } /* The legacy inline meta row becomes redundant once the folio is visible. */ .landing-finding .landing-finding-meta { display: none; } /* ——— case study (open questions) ——— The marginal Roman numeral becomes a hung display mark — large italic serif lowered into the case-study block. Stakes/Best-guess/Evidence grid is reframed as a letterpress key-value table with bracketed labels. */ .landing-question { padding: 36px 0 32px; } .landing-question .landing-roman-mark { position: absolute; display: block; top: 30px; left: -64px; width: 48px; text-align: right; font-family: var(--landing-serif); font-style: italic; font-size: 28px; letter-spacing: -0.01em; color: var(--landing-amber); opacity: 0.85; } @media (max-width: 1100px) { .landing-question .landing-roman-mark { position: static; width: auto; text-align: left; font-size: 22px; margin-bottom: 10px; } } .landing-question .landing-question-grid { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--landing-rule-soft); grid-template-columns: 120px 1fr; } .landing-question .landing-question-grid dt { font-family: var(--landing-mono); font-size: 9.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--landing-ink-faint); } .landing-question .landing-question-grid dt::before { content: "[ "; } .landing-question .landing-question-grid dt::after { content: " ]"; } .landing-question .landing-question-grid dd { font-family: var(--landing-serif); font-style: italic; color: var(--landing-ink-mid); } .landing-question .landing-question-grid dd em { font-style: normal; color: var(--landing-ink); } /* ——— manifesto fleurons ——— Replace the plain hairline between manifesto claims with a centered typographic ornament. Subtle so it reads as editorial rhythm, not decoration for its own sake. */ .landing-manifesto .landing-claim + .landing-claim { border-top: none; position: relative; padding-top: 38px; } .landing-manifesto .landing-claim + .landing-claim::before { content: "✦"; position: absolute; top: 14px; left: 0; right: 0; text-align: center; font-family: var(--landing-serif); font-size: 11px; color: var(--landing-ink-faint); opacity: 0.7; letter-spacing: 0; } .landing-manifesto .landing-claim h2 { font-style: italic; font-size: 23px; color: var(--landing-ink); } /* Lift the Roman mark on manifesto items into view at the new layout's gutter width (page-frame 1120 - shell 760 = 360, ÷2 = 180 on each side). Position it inside the shell's left side, not in the original off-page marginal slot. */ .landing-manifesto .landing-claim .landing-roman-mark { position: absolute; top: 0; left: -72px; font-family: var(--landing-serif); font-style: italic; font-size: 14px; color: var(--landing-amber); opacity: 0.7; letter-spacing: 0; width: 56px; text-align: right; } .landing-manifesto .landing-claim + .landing-claim .landing-roman-mark { top: 38px; } @media (max-width: 1100px) { .landing-manifesto .landing-claim .landing-roman-mark { display: none; } } /* ——— section heads: small flourish ——— A monospace asterisk separator between label and metadata, plus a finer underline that mimics a letterpress hairline. */ .landing-section-head { border-bottom: none; position: relative; padding-bottom: 16px; } .landing-section-head::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: linear-gradient(to right, var(--landing-rule) 0%, var(--landing-rule) 38%, transparent 42%, transparent 58%, var(--landing-rule) 62%, var(--landing-rule) 100%); } .landing-section-head .landing-section-label { position: relative; display: inline-flex; align-items: baseline; gap: 12px; } .landing-section-head .landing-section-label::after { content: "✻"; font-family: var(--landing-serif); font-size: 10px; color: var(--landing-ink-faint); opacity: 0.5; letter-spacing: 0; display: inline-block; margin-left: 6px; } /* ——— colophon (footer) ——— The footer is re-read as a colophon: small caps, italic typewriter notes, set-in-type credits beneath. The wordmark dot becomes the signature. */ .landing-footer { position: relative; padding-top: 40px; margin-top: 56px; } .landing-footer::before { content: "✻"; position: absolute; left: 50%; top: 14px; transform: translateX(-50%); font-size: 13px; color: var(--landing-ink-faint); opacity: 0.6; } .landing-footer .landing-footer-copy, .landing-footer span, .landing-footer a { font-family: var(--landing-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; } .landing-footer a { color: var(--landing-ink-mute); } /* ——— sticky masthead ——— The diagram-in-hero is tall, so the masthead scrolls off-screen quickly and the sign-in / nav links become hard to find. Pinning the masthead to the top of the viewport keeps wayfinding accessible everywhere on the page. Frosted-glass background so content reads through subtly, and the bottom hairline still draws in on load like ink settling. */ .landing-masthead { position: sticky; top: 0; z-index: 40; margin: 0 -56px 12px; padding: 16px 56px 14px; background-color: color-mix(in srgb, var(--landing-bg) 85%, transparent); -webkit-backdrop-filter: blur(10px) saturate(115%); backdrop-filter: blur(10px) saturate(115%); border-bottom: 1px solid transparent; } @media (max-width: 1280px) { .landing-masthead { margin: 0 -32px 12px; padding: 16px 32px 14px; } } @media (max-width: 680px) { .landing-masthead { margin: 0 -22px 12px; padding: 14px 22px 12px; } .landing-nav a[href="/users/sign_in"] { display: none; } } /* Bottom hairline as a pseudo-element so it survives the sticky bg. */ .landing-masthead::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--landing-rule); transform: scaleX(0); transform-origin: left center; transition: none; } body.landing-page.is-revealed .landing-masthead::after { animation: landing-rule-draw 1.1s cubic-bezier(0.22, 0.61, 0.36, 1) 0.1s both; } @keyframes landing-rule-draw { to { transform: scaleX(1); } } @media (prefers-reduced-motion: reduce) { .landing-masthead::after { transform: scaleX(1); } body.landing-page.is-revealed .landing-masthead::after { animation: none; } } /* ——— featured question callout ——— A single open question lifted out of Antacog's own corpus, surfaced between Findings and Methodology. Stamped, postmarked feel — the research log naming a thing it doesn't yet know. */ .landing-question-callout { position: relative; margin: 24px auto 96px; max-width: 1000px; padding: 36px 40px 32px 44px; background: var(--landing-bg-warm); border-left: 2px solid var(--landing-amber); } .landing-question-callout::before, .landing-question-callout::after { /* Hairline tick marks at the top corners — letterpress register cues framing the callout as a printed insert. */ content: ""; position: absolute; top: -1px; width: 28px; height: 1px; background: var(--landing-amber); } .landing-question-callout::before { left: -2px; } .landing-question-callout::after { right: 0; } .landing-question-callout-mark { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; font-family: var(--landing-mono); font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; } .landing-question-callout-stamp { color: var(--landing-amber-deep); font-weight: 500; } .landing-question-callout-status { color: var(--landing-ink-faint); font-style: normal; } .landing-question-callout-dot { display: inline-block; width: 4px; height: 4px; background: var(--landing-ink-faint); border-radius: 50%; opacity: 0.7; } .landing-question-callout-text { font-family: var(--landing-serif); font-size: 25px; line-height: 1.32; color: var(--landing-ink); margin: 0 0 14px; letter-spacing: -0.008em; text-wrap: pretty; } @media (max-width: 680px) { .landing-question-callout-text { font-size: 21px; } } .landing-question-callout-pull { font-family: var(--landing-serif); font-style: italic; font-size: 19px; line-height: 1.4; color: var(--landing-amber-deep); margin: 0 0 26px; text-wrap: pretty; } @media (max-width: 680px) { .landing-question-callout-pull { font-size: 17px; } } .landing-question-callout-foot { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; padding-top: 18px; border-top: 1px solid var(--landing-rule-soft); flex-wrap: wrap; } .landing-question-callout-source { font-family: var(--landing-mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--landing-ink-mute); } .landing-question-callout-cta { margin-top: 0; } @media (max-width: 680px) { .landing-question-callout { padding: 28px 22px 26px 24px; margin-bottom: 72px; } }