:root {
  color-scheme: dark;
  --night: #07191d;
  --night-deep: #091218;
  --anthracite: #1a2028;
  --slate: #273239;
  --moon: #9ea8af;
  --chalk: #f1f0ea;
  --mist: #d8deda;
  --line: rgba(207, 222, 221, .18);
  --cyan: #79aeb9;
  --indigo: #45446b;
  --warm: #d8c4a9;
  --serif: "Iowan Old Style", "Baskerville", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --page: min(1440px, calc(100vw - 7vw));
  --read: 72ch;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--night); color: var(--chalk); font: 400 17px/1.72 var(--sans); -webkit-font-smoothing: antialiased; }
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(ellipse at 75% 4%, rgba(86, 118, 127, .085), transparent 45%); }
img, svg { max-width: 100%; }
img { display: block; }
button, input { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration-color: rgba(121, 174, 185, .54); text-underline-offset: .25em; }
a:hover { color: #c7e6e8; text-decoration-color: currentColor; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 5px; }
::selection { color: var(--night); background: var(--cyan); }
.skip-link { position: absolute; z-index: 100; top: -5rem; left: 1rem; padding: .5rem 1rem; background: var(--chalk); color: var(--night); }
.skip-link:focus { top: 1rem; }
.shell { width: var(--page); margin-inline: auto; }
.eyebrow { margin: 0 0 1.3rem; color: var(--cyan); font: 650 .68rem/1.4 var(--sans); letter-spacing: .28em; text-transform: uppercase; }
.kicker { color: var(--moon); font-size: .73rem; font-weight: 650; letter-spacing: .2em; text-transform: uppercase; }
.muted { color: var(--moon); }
.small { font-size: .82rem; line-height: 1.6; }
.serif { font-family: var(--serif); }
.hairline { height: 1px; background: var(--line); border: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* The broken circadian ring is a navigation mark, never a data display. */
.circadian-mark { display: inline-block; flex: 0 0 auto; width: 27px; height: 27px; border: 1.4px solid var(--cyan); border-left-color: transparent; border-radius: 50%; transform: rotate(-26deg); position: relative; }
.circadian-mark::after { content: ""; width: 3px; height: 3px; border-radius: 50%; background: var(--warm); position: absolute; top: 1px; left: 2px; }
.site-header { position: relative; z-index: 20; min-height: 83px; display: flex; align-items: center; border-bottom: 1px solid rgba(215,231,228,.1); background: rgba(7, 25, 29, .95); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .85rem; text-decoration: none; white-space: nowrap; }
.brand:hover { color: var(--chalk); }
.brand-wordmark { font: 550 .83rem/1.05 var(--serif); letter-spacing: .11em; text-transform: uppercase; }
.brand-wordmark span { display: block; }
.brand-wordmark span + span { font-size: .72em; letter-spacing: .24em; margin-top: .3rem; }
.site-nav { display: flex; align-items: center; gap: clamp(.9rem, 2vw, 2rem); }
.site-nav a { color: #d0d9d6; text-decoration: none; font-size: .7rem; font-weight: 650; letter-spacing: .15em; text-transform: uppercase; white-space: nowrap; transition: color .25s ease; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: #fff; }
.site-nav .nav-bioage { color: var(--warm); border-left: 1px solid var(--line); padding-left: clamp(.9rem, 2vw, 2rem); }

.text-link, .button-link { display: inline-flex; align-items: center; gap: .75rem; font-size: .73rem; font-weight: 680; letter-spacing: .16em; text-transform: uppercase; text-decoration: none; }
.text-link::after, .button-link::after { content: "↗"; font-size: 1rem; font-weight: 400; line-height: 1; transition: transform .25s ease; }
.text-link:hover::after, .button-link:hover::after { transform: translate(3px,-3px); }
.text-link { padding-bottom: .45rem; border-bottom: 1px solid var(--cyan); color: var(--chalk); }
.button-link { padding: .9rem 1.15rem; border: 1px solid rgba(241,240,234,.55); color: var(--chalk); transition: background .25s ease, color .25s ease; }
.button-link:hover { background: var(--chalk); color: var(--night); }
.button-link.dark { border-color: var(--night); color: var(--night); }
.button-link.dark:hover { background: var(--night); color: var(--chalk); }

.hero { position: relative; min-height: min(850px, calc(100svh - 83px)); overflow: hidden; display: flex; align-items: flex-end; background: #0b1821; }
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 52%; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,15,21,.58) 0%, rgba(4,15,21,.16) 56%, rgba(4,15,21,.06) 100%), linear-gradient(0deg, rgba(4,15,21,.83) 0%, transparent 55%); pointer-events: none; }
.hero-content { position: relative; z-index: 1; padding-block: 5rem 7.5rem; }
.hero .eyebrow { color: #d7e5e3; }
.hero h1 { margin: 0; max-width: 10ch; font: 400 clamp(4.8rem, 11vw, 11rem)/.87 var(--serif); letter-spacing: -.063em; text-wrap: balance; text-transform: uppercase; text-shadow: 0 6px 45px rgba(0,0,0,.24); }
.hero-line { display: flex; align-items: flex-end; gap: 4vw; margin-top: clamp(2.2rem, 5vw, 5rem); }
.hero-dek { margin: 0; max-width: 28ch; font: 400 clamp(1.17rem, 1.9vw, 1.65rem)/1.35 var(--serif); color: #eef0e9; }
.hero .button-link { margin-left: auto; white-space: nowrap; }
.hero-rail { position: absolute; z-index: 1; right: 3.5vw; bottom: 5rem; writing-mode: vertical-rl; font-size: .6rem; letter-spacing: .3em; text-transform: uppercase; color: rgba(241,240,234,.7); }

section { scroll-margin-top: 5rem; }
.section-pad { padding-block: clamp(5rem, 11vw, 10rem); }
.section-pad-tight { padding-block: clamp(4rem, 7vw, 7rem); }
.section-topline { border-top: 1px solid var(--line); padding-top: 1.3rem; display: flex; justify-content: space-between; gap: 1rem; color: var(--moon); font-size: .68rem; font-weight: 650; letter-spacing: .2em; text-transform: uppercase; }
.section-heading { margin: 1rem 0 1.6rem; max-width: 19ch; font: 400 clamp(2.7rem, 5vw, 5.5rem)/1.05 var(--serif); letter-spacing: -.04em; text-wrap: balance; }
.section-heading-wide { max-width: 26ch; }
.section-lead { max-width: 60ch; color: var(--mist); font-size: clamp(1.08rem, 1.5vw, 1.3rem); line-height: 1.65; }
.section-intro { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(270px,.65fr); gap: min(9vw, 10rem); align-items: end; }
.section-intro p { margin: 0; }
.display-quote { margin: 0; font: 400 clamp(3rem, 6.7vw, 7.2rem)/1.09 var(--serif); letter-spacing: -.05em; text-wrap: balance; }
.display-quote-small { font-size: clamp(2.4rem, 4.3vw, 4.8rem); }
.manifesto-band { position: relative; background: #101f24; border-block: 1px solid var(--line); padding-block: clamp(7rem, 14vw, 14rem); overflow: hidden; }
.manifesto-band .shell { position: relative; z-index: 1; }
.manifesto-band::before { content: ""; position: absolute; right: -10vw; top: 8%; width: 45vw; aspect-ratio: 1; border: 1px solid rgba(121,174,185,.15); border-left-color: transparent; border-radius: 50%; transform: rotate(-30deg); }
.manifesto-band .eyebrow { margin-bottom: 2rem; }
.manifesto-band .text-link { margin-top: 3rem; }

.entry-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: clamp(3rem, 6vw, 6rem); background: var(--line); border: 1px solid var(--line); }
.entry { display: flex; flex-direction: column; align-items: flex-start; min-height: 340px; padding: clamp(1.5rem, 3vw, 3rem); background: var(--night); text-decoration: none; transition: background .3s ease; }
.entry:hover { background: #11282d; color: var(--chalk); }
.entry-index { color: var(--cyan); font-size: .69rem; letter-spacing: .2em; }
.entry h3 { margin: auto 0 1.5rem; font: 400 clamp(2rem, 3vw, 3.45rem)/1.1 var(--serif); letter-spacing: -.035em; }
.entry p { color: var(--moon); max-width: 30ch; margin: 0 0 1.5rem; font-size: .88rem; line-height: 1.55; }
.entry .entry-arrow { margin-top: auto; color: var(--cyan); font-size: 1.3rem; }

.rooms { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin-top: 3.4rem; }
.room { min-height: 220px; padding: clamp(1.3rem, 2.7vw, 2.8rem); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; display: flex; flex-direction: column; justify-content: space-between; transition: background .3s ease; }
.room:hover { background: #13282e; color: var(--chalk); }
.room span { color: var(--moon); font: 650 .63rem/1 var(--sans); letter-spacing: .2em; }
.room strong { font: 400 clamp(1.6rem, 2.5vw, 2.7rem)/1.1 var(--serif); }
.room em { align-self: flex-end; color: var(--cyan); font-style: normal; }

.feature { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(2rem, 7vw, 8rem); align-items: center; }
.feature-art { min-height: 540px; background: #0f2026; border: 1px solid var(--line); position: relative; display: grid; place-items: center; overflow: hidden; }
.feature-art::before { content: ""; width: min(58%, 380px); aspect-ratio: 1; border: 1px solid rgba(121,174,185,.7); border-left-color: transparent; border-bottom-color: rgba(121,174,185,.24); border-radius: 50%; transform: rotate(28deg); box-shadow: 0 0 0 46px rgba(121,174,185,.02), 0 0 0 92px rgba(121,174,185,.018); }
.feature-art::after { content: "NREM · REM  /  VEGLIA"; position: absolute; bottom: 2rem; left: 2rem; font-size: .65rem; letter-spacing: .23em; color: var(--moon); }
.feature-copy h3 { font: 400 clamp(2.65rem, 4.5vw, 5rem)/1.08 var(--serif); letter-spacing: -.04em; margin: .5rem 0 1.5rem; }
.feature-copy p { color: var(--mist); max-width: 50ch; }
.feature-copy .text-link { margin-top: 1.7rem; }
.evidence-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 2rem; }
.evidence-tags span { border: 1px solid var(--line); padding: .3rem .65rem; color: var(--moon); font-size: .65rem; letter-spacing: .12em; text-transform: uppercase; }

.method-panel { background: #0e2227; border-block: 1px solid var(--line); }
.method-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; align-items: start; }
.method-steps { margin: 0; padding: 0; list-style: none; counter-reset: method; border-top: 1px solid var(--line); }
.method-steps li { counter-increment: method; display: flex; gap: 2rem; padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
.method-steps li::before { content: "0" counter(method); color: var(--cyan); font-size: .7rem; letter-spacing: .15em; }
.method-steps strong { display: block; color: var(--chalk); font: 400 1.25rem/1.3 var(--serif); }
.method-steps span { display: block; color: var(--moon); margin-top: .35rem; font-size: .84rem; line-height: 1.55; }

.bioage-threshold { background: #e8e6df; color: #17272a; padding-block: clamp(6rem, 12vw, 13rem); position: relative; overflow: hidden; }
.bioage-threshold::after { content: ""; position: absolute; right: -12vw; top: -20%; width: 45vw; aspect-ratio: 1; border-radius: 50%; border: 1px solid rgba(23,39,42,.19); border-left-color: transparent; transform: rotate(-25deg); }
.bioage-threshold .shell { position: relative; z-index: 1; }
.bioage-threshold .eyebrow { color: #456c73; }
.bioage-threshold h2 { max-width: 14ch; margin: 0 0 2rem; font: 400 clamp(3rem, 6vw, 6.5rem)/1.03 var(--serif); letter-spacing: -.05em; }
.bioage-threshold p { max-width: 60ch; color: #3c4b4c; }
.bioage-threshold .button-link { margin-top: 2rem; }
.bioage-disclosure { font-size: .78rem; margin-top: 2.3rem; }

.site-footer { padding: 4rem 0 2rem; border-top: 1px solid var(--line); background: #081418; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 5vw; padding-bottom: 5rem; }
.footer-grid h2 { font: 400 clamp(2rem, 3.7vw, 3.8rem)/1 var(--serif); letter-spacing: -.04em; margin: 0 0 1rem; max-width: 13ch; }
.footer-grid p { max-width: 35ch; color: var(--moon); font-size: .82rem; }
.footer-grid h3 { color: var(--cyan); font-size: .68rem; text-transform: uppercase; letter-spacing: .2em; margin: 0 0 1rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: .55rem; }
.footer-grid a { color: var(--mist); text-decoration: none; font-size: .82rem; }
.footer-grid a:hover { color: white; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 1.5rem; display: flex; justify-content: space-between; gap: 2rem; color: var(--moon); font-size: .7rem; }

/* Interior pages */
.page-hero { position: relative; padding-block: clamp(6rem, 13vw, 13rem) clamp(4rem, 8vw, 8rem); overflow: hidden; border-bottom: 1px solid var(--line); }
.page-hero::before { content: ""; position: absolute; right: 8vw; top: 8%; width: min(36vw, 530px); aspect-ratio: 1; border: 1px solid rgba(121,174,185,.28); border-left-color: transparent; border-radius: 50%; transform: rotate(28deg); }
.page-hero .shell { position: relative; }
.page-hero h1 { margin: 0 0 2rem; max-width: 14ch; font: 400 clamp(4rem, 8.7vw, 9.5rem)/.96 var(--serif); letter-spacing: -.055em; text-wrap: balance; }
.page-hero p:not(.eyebrow) { max-width: 63ch; color: var(--mist); font-size: clamp(1.08rem, 1.5vw, 1.32rem); }
.page-hero .hero-statement { color: var(--chalk) !important; font-family: var(--serif); font-size: clamp(1.4rem, 2.3vw, 2.4rem) !important; line-height: 1.35; }
.atlante-hero { min-height: min(790px, calc(100svh - 83px)); display: flex; align-items: flex-end; padding-block: 6rem; background: #08171d; }
.atlante-hero::before { display: none; }
.atlante-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4, 15, 21, .64) 0%, rgba(4, 15, 21, .38) 37%, rgba(4, 15, 21, .08) 75%), linear-gradient(0deg, rgba(4, 15, 21, .72), transparent 50%); pointer-events: none; }
.atlante-hero-picture, .atlante-hero-picture img { position: absolute; inset: 0; width: 100%; height: 100%; }
.atlante-hero-picture img { object-fit: cover; object-position: center 50%; }
.atlante-hero .shell { z-index: 1; }
.atlante-hero p:not(.eyebrow) { max-width: 46ch; }
.atlante-hero h1 { max-width: 11ch; text-shadow: 0 5px 35px rgba(0,0,0,.28); }
.page-main { padding-block: clamp(5rem, 8vw, 9rem); }
.breadcrumbs { display: flex; gap: .6rem; color: var(--moon); font-size: .68rem; letter-spacing: .11em; text-transform: uppercase; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs span[aria-hidden="true"] { color: var(--cyan); }
.cluster-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 3rem; }
.cluster-card { min-height: 255px; padding: clamp(1.5rem, 3vw, 3rem); background: var(--night); }
.cluster-card h3 { margin: .8rem 0 1rem; font: 400 clamp(1.9rem, 2.7vw, 2.8rem)/1.15 var(--serif); }
.cluster-card p { max-width: 50ch; margin: 0; color: var(--moon); font-size: .89rem; }
.cluster-card .text-link { margin-top: 1.3rem; }
.cluster-index { margin-top: 5rem; display: grid; grid-template-columns: 1fr 2fr; gap: 7vw; }
.cluster-index h2 { margin: 0; font: 400 clamp(2.2rem, 3.5vw, 3.8rem)/1.1 var(--serif); }
.cluster-index ol { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.cluster-index li { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; border-bottom: 1px solid var(--line); padding: 1.15rem 0; }
.cluster-index li span { color: var(--cyan); font-size: .67rem; letter-spacing: .12em; }
.cluster-index strong { font-weight: 450; }
.cluster-index small { display: block; margin-top: .25rem; color: var(--moon); font-size: .78rem; line-height: 1.5; }
.manifesto-list { list-style: none; padding: 0; margin: 0; counter-reset: manifesto; }
.manifesto-list li { counter-increment: manifesto; display: grid; grid-template-columns: 5rem 1fr; gap: 1rem; padding: clamp(2.5rem, 5vw, 5rem) 0; border-top: 1px solid var(--line); }
.manifesto-list li::before { content: counter(manifesto, decimal-leading-zero); color: var(--cyan); font: 650 .72rem/1.5 var(--sans); letter-spacing: .2em; }
.manifesto-list p { margin: 0; max-width: 26ch; font: 400 clamp(2rem, 4vw, 4.3rem)/1.14 var(--serif); letter-spacing: -.035em; }
.manifesto-list li:nth-child(4n+2) p { margin-left: min(10vw, 140px); }
.evidence-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 3rem; }
.evidence-level { padding: 2rem; background: #0c2024; min-height: 270px; }
.evidence-level span { color: var(--cyan); font-size: .65rem; letter-spacing: .18em; }
.evidence-level h3 { font: 400 1.7rem/1.15 var(--serif); margin: 2rem 0 1rem; }
.evidence-level p { color: var(--moon); font-size: .82rem; line-height: 1.6; }
.method-prose { max-width: 72ch; margin: 0 auto; }
.method-prose h2 { font: 400 clamp(2.2rem, 3.4vw, 3.7rem)/1.15 var(--serif); margin: 4rem 0 1.2rem; }
.method-prose p, .method-prose li { color: var(--mist); }
.method-prose ul { padding-left: 1.2rem; }
.method-prose a { color: #b1d5da; }
.bioage-page-intro { background: #e8e6df; color: #17272a; }
.bioage-page-intro .eyebrow, .bioage-page-intro .breadcrumbs { color: #456c73; }
.bioage-page-intro p:not(.eyebrow) { color: #35484c; }
.bioage-page-intro::before { border-color: rgba(23,39,42,.25); border-left-color: transparent; }
.bioage-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.bioage-steps article { background: var(--night); padding: 2rem; min-height: 260px; }
.bioage-steps span { color: var(--cyan); font-size: .69rem; letter-spacing: .15em; }
.bioage-steps h3 { font: 400 1.8rem/1.2 var(--serif); }
.bioage-steps p { color: var(--moon); font-size: .88rem; }
.boundary-note { padding: 1.6rem 2rem; border-left: 2px solid var(--cyan); background: #10272a; color: var(--mist); font-size: .91rem; }

/* Editorial profile */
.signature-hero h1 { max-width: 11ch; }
.signature-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .82fr); gap: clamp(2rem, 7vw, 8rem); align-items: start; margin-top: 4rem; }
.signature-grid .section-heading { max-width: 13ch; }
.signature-copy { max-width: 66ch; }
.signature-copy p { margin: 0 0 1.5rem; color: var(--mist); font-size: clamp(1rem, 1.25vw, 1.15rem); line-height: 1.75; }
.signature-copy strong { color: var(--chalk); font-weight: 620; }
.signature-copy a:not(.text-link) { color: #b1d5da; overflow-wrap: anywhere; }
.signature-copy .text-link { margin-top: .6rem; }
.signature-band { position: relative; overflow: hidden; padding-block: clamp(6rem, 10vw, 11rem); background: #101f24; border-block: 1px solid var(--line); }
.signature-band::before { content: ""; position: absolute; right: 8%; top: -36%; width: min(55vw, 700px); aspect-ratio: 1; border: 1px solid rgba(121,174,185,.18); border-left-color: transparent; border-radius: 50%; transform: rotate(-26deg); }
.signature-band .shell { position: relative; }
.signature-band h2 { max-width: 22ch; margin: 0; font: 400 clamp(2.7rem, 5.8vw, 6.6rem)/1.1 var(--serif); letter-spacing: -.04em; text-wrap: balance; }
.signature-responsibility { padding-top: 0; }
.signature-detail { border-top: 1px solid var(--line); padding-block: 1.5rem .5rem; }
.signature-detail h3 { margin: 0 0 .8rem; color: var(--cyan); font: 680 .69rem/1.45 var(--sans); letter-spacing: .18em; text-transform: uppercase; }
.signature-detail p { font-size: .95rem; }

/* Long-form article: the measure remains comfortable at 4000 words. */
.reading-progress { position: fixed; z-index: 40; left: 0; top: 0; width: 100%; height: 2px; background: var(--cyan); transform: scaleX(0); transform-origin: left; pointer-events: none; }
.article-hero { padding-block: clamp(4rem, 8vw, 8rem); border-bottom: 1px solid var(--line); }
.article-hero h1 { margin: 1.7rem 0 1.3rem; max-width: 17ch; font: 400 clamp(3.1rem, 6.5vw, 7rem)/1.02 var(--serif); letter-spacing: -.05em; text-wrap: balance; }
.article-dek { max-width: 55ch; color: var(--mist); font: 400 clamp(1.25rem, 2vw, 1.9rem)/1.42 var(--serif); }
.article-meta { display: flex; flex-wrap: wrap; gap: .8rem 2rem; margin-top: 3rem; border-top: 1px solid var(--line); padding-top: 1.2rem; color: var(--moon); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }
.article-visual { min-height: clamp(280px, 38vw, 550px); position: relative; overflow: hidden; display: grid; place-items: center; background: radial-gradient(ellipse at center, #1d343a 0%, #10272d 38%, #07191d 76%); border-bottom: 1px solid var(--line); }
.article-visual::before, .article-visual::after { content: ""; position: absolute; width: min(72vw, 760px); height: 1px; background: linear-gradient(90deg, transparent, rgba(121,174,185,.48), transparent); }
.article-visual::before { transform: rotate(17deg) translateY(-45px); }
.article-visual::after { transform: rotate(-13deg) translateY(48px); }
.article-visual-ring { position: relative; z-index: 1; display: block; width: clamp(150px, 22vw, 300px); aspect-ratio: 1; border: 1px solid rgba(185,221,223,.8); border-left-color: transparent; border-radius: 50%; transform: rotate(-22deg); box-shadow: 0 0 0 42px rgba(121,174,185,.035), 0 0 0 84px rgba(121,174,185,.018); }
.article-visual-label { position: absolute; z-index: 2; bottom: 2rem; left: 3.5vw; color: var(--moon); font-size: .65rem; letter-spacing: .25em; }
.article-visual-label i { color: var(--cyan); font-style: normal; margin-inline: .4rem; }
.article-layout { display: grid; grid-template-columns: 240px minmax(0, var(--read)) 1fr; gap: clamp(2rem, 5vw, 6rem); align-items: start; padding-block: 5rem 9rem; }
.article-toc { position: sticky; top: 2rem; border-top: 1px solid var(--line); padding-top: 1rem; font-size: .8rem; }
.article-toc h2 { margin: 0 0 1.2rem; color: var(--cyan); font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; }
.article-toc a { display: block; padding: .45rem 0; color: var(--moon); text-decoration: none; line-height: 1.4; }
.article-toc a:hover { color: var(--chalk); }
.article-body { max-width: var(--read); }
.draft-note { padding: 1rem 1.3rem; margin-bottom: 3rem; border-left: 2px solid var(--warm); background: #192529; color: var(--mist); font-size: .83rem; line-height: 1.6; }
.draft-note strong { color: var(--chalk); }
.article-body h2 { font: 400 clamp(2rem, 3.5vw, 3.8rem)/1.13 var(--serif); letter-spacing: -.03em; margin: 4rem 0 1.2rem; scroll-margin-top: 2rem; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { font: 400 clamp(1.45rem, 2.1vw, 2.2rem)/1.2 var(--serif); margin: 2.5rem 0 1rem; }
.article-body p, .article-body li { color: #e0e5e2; line-height: 1.85; }
.article-body p { margin: 1.25rem 0; }
.article-body a { color: #b3d7dc; overflow-wrap: anywhere; }
.article-body ol, .article-body ul { padding-left: 1.4rem; }
.article-body blockquote { margin: 3.5rem 0; padding: 0 0 0 1.8rem; border-left: 1px solid var(--cyan); color: var(--chalk); font: 400 clamp(1.6rem, 2.7vw, 2.7rem)/1.3 var(--serif); }
.article-body blockquote p { color: var(--chalk); line-height: 1.35; }
.science-box { margin: 2.7rem 0; padding: 1.5rem 1.8rem; border: 1px solid var(--line); background: #102429; }
.science-box h3 { margin: 0 0 .65rem; color: var(--cyan); font: 700 .68rem/1.4 var(--sans); letter-spacing: .2em; text-transform: uppercase; }
.science-box p { margin: 0; color: var(--mist); font-size: .91rem; }
.article-bioage { margin: 4rem 0; padding: 2.3rem; background: #e8e6df; color: #17272a; }
.article-bioage .eyebrow { color: #456c73; }
.article-bioage h2 { margin: .5rem 0 1rem; color: #17272a; font-size: clamp(2rem, 3vw, 3rem); }
.article-bioage p { color: #35484c; }
.article-bioage .button-link { margin-top: 1rem; }
.source-list { padding-left: 1.4rem; font-size: .84rem; overflow-wrap: anywhere; }
.source-list li { margin-bottom: .8rem; }
.article-aside { color: var(--moon); font-size: .74rem; }

@media (max-width: 1100px) {
  .site-nav { gap: .9rem; }
  .site-nav a { font-size: .64rem; letter-spacing: .1em; }
  .article-layout { grid-template-columns: 190px minmax(0,1fr); }
  .article-aside { display: none; }
}
@media (max-width: 800px) {
  :root { --page: min(100vw - 2.5rem, 680px); }
  .site-header { padding-block: .8rem; }
  .header-inner { flex-direction: column; align-items: flex-start; gap: .9rem; }
  .site-nav { width: 100%; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .45rem .7rem; padding: .2rem 0 .6rem; }
  .site-nav a { white-space: normal; line-height: 1.35; }
  .site-nav .nav-bioage { border-left: 0; padding-left: 0; }
  .hero { min-height: 730px; }
  .atlante-hero { min-height: 700px; padding-block: 5rem; }
  .atlante-hero-picture img { object-position: 72% center; }
  .atlante-hero::after { background: linear-gradient(90deg, rgba(4,15,21,.78), rgba(4,15,21,.25)), linear-gradient(0deg, rgba(4,15,21,.78), transparent 62%); }
  .hero-media { object-position: 59% center; }
  .hero::after { background: linear-gradient(90deg, rgba(4,15,21,.72), rgba(4,15,21,.3)), linear-gradient(0deg, rgba(4,15,21,.9), transparent 65%); }
  .hero-content { padding-block: 10rem 4rem; }
  .hero h1 { font-size: clamp(4.1rem, 13vw, 7rem); }
  .hero-line { align-items: flex-start; flex-direction: column; gap: 2rem; }
  .hero .button-link { margin-left: 0; }
  .hero-rail { display: none; }
  .section-intro, .feature, .method-columns, .cluster-index, .signature-grid { grid-template-columns: 1fr; }
  .section-intro { gap: 1.5rem; }
  .signature-grid { gap: 1.5rem; margin-top: 2rem; }
  .entry-grid { grid-template-columns: 1fr; }
  .entry { min-height: 270px; }
  .rooms { grid-template-columns: repeat(2,1fr); }
  .feature-art { min-height: 380px; }
  .evidence-grid { grid-template-columns: repeat(2,1fr); }
  .bioage-steps { grid-template-columns: 1fr; }
  .article-layout { display: block; padding-top: 2rem; }
  .article-toc { position: static; border-bottom: 1px solid var(--line); padding-bottom: 1.5rem; margin-bottom: 3rem; }
  .article-toc a { display: inline-block; margin-right: 1rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  :root { --page: calc(100vw - 2rem); }
  body { font-size: 16px; }
  .hero { min-height: 680px; }
  .atlante-hero { min-height: 680px; padding-block: 4rem; }
  .atlante-hero-picture img { object-position: 78% center; }
  .atlante-hero::after { background: linear-gradient(90deg, rgba(4,15,21,.86), rgba(4,15,21,.45)), linear-gradient(0deg, rgba(4,15,21,.85), transparent 72%); }
  .hero-media { object-position: 61% center; }
  .hero h1 { font-size: clamp(3.55rem, 14vw, 5.1rem); }
  .hero-content { padding-bottom: 3rem; }
  .page-hero h1 { font-size: clamp(3.3rem, 12vw, 5rem); }
  .rooms { grid-template-columns: 1fr 1fr; }
  .room { min-height: 160px; padding: 1.1rem; }
  .room strong { font-size: 1.5rem; }
  .cluster-grid, .evidence-grid { grid-template-columns: 1fr; }
  .manifesto-list li { grid-template-columns: 2.5rem 1fr; }
  .manifesto-list li:nth-child(4n+2) p { margin-left: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: .4rem; }
  .article-hero h1 { font-size: clamp(2.9rem, 11vw, 4rem); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}