:root {
  color-scheme: dark light;
  --midnight: #050b16;
  --navy: #07111f;
  --navy-2: #0a192c;
  --navy-3: #0e2138;
  --blue: #1776e8;
  --blue-bright: #3aa7ff;
  --aqua: #1ed5cf;
  --mint: #63f2df;
  --paper: #f1eee7;
  --paper-soft: #f8f6f1;
  --paper-deep: #e5e0d5;
  --ink: #12232b;
  --ink-soft: #53636a;
  --ice: #edf9ff;
  --mist: #9cb2c1;
  --dark-rule: rgba(177, 218, 241, 0.16);
  --light-rule: rgba(18, 35, 43, 0.15);
  --display: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --max: 1440px;
  --grid: 1240px;
  --reading: 690px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--navy); }
body { margin: 0; font-family: var(--sans); background: var(--paper); color: var(--ink); line-height: 1.65; }
img { display: block; max-width: 100%; }
a { color: inherit; }

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--mint);
  color: var(--navy);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 20;
  color: var(--ice);
}
.header-inner {
  width: min(var(--grid), calc(100% - 48px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 92px;
  border-bottom: 1px solid var(--dark-rule);
}
.brand { display: inline-flex; align-items: center; gap: 0.8rem; text-decoration: none; }
.brand-mark { width: 42px; height: 42px; }
.brand-text { font-size: 0.98rem; font-weight: 760; letter-spacing: 0.035em; }
.site-nav { display: flex; gap: clamp(1rem, 2.6vw, 2.2rem); align-items: center; }
.site-nav a { color: var(--mist); text-decoration: none; font-size: 0.84rem; letter-spacing: 0.025em; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--mint); }

.section-dark { color: var(--ice); background: var(--navy); }
.hero {
  position: relative;
  overflow: hidden;
  min-height: 860px;
  background:
    radial-gradient(circle at 78% 42%, rgba(34, 216, 207, 0.11), transparent 27%),
    radial-gradient(circle at 76% 46%, rgba(30, 116, 236, 0.12), transparent 39%),
    linear-gradient(180deg, #040a14 0%, #07111f 66%, #081522 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: min(var(--grid), calc(100% - 48px));
  min-height: 860px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
  padding: 150px 0 90px;
}
.section-label, .overline {
  margin: 0 0 1.4rem;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.145em;
  text-transform: uppercase;
}
.section-label { color: #75c9dd; }
.overline { color: #427c87; }
.overline-aqua { color: #5adfd9; }
.hero h1, .statement-column h2, .record-layer-heading h2, .research-heading h2, .professional-intro h2, .closing-inner h2 {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -0.045em;
  text-wrap: balance;
}
.hero h1 {
  margin: 0;
  max-width: 10.4ch;
  font-size: clamp(4.15rem, 7.6vw, 7.7rem);
  line-height: 0.91;
}
.hero h1 em { font-weight: 400; color: var(--mint); }
.hero-deck {
  max-width: 650px;
  margin: 2rem 0 0;
  color: #b4c7d3;
  font-size: clamp(1.08rem, 1.8vw, 1.34rem);
  line-height: 1.6;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1.6rem; margin-top: 2rem; }
.text-link { color: #9cb2c1; text-decoration: none; border-bottom: 1px solid rgba(156,178,193,0.35); padding-bottom: 0.18rem; font-size: 0.88rem; }
.text-link:hover, .text-link:focus-visible { color: var(--mint); border-color: var(--mint); }
.text-link-bright { color: var(--ice); }
.hero-note { margin: 2.5rem 0 0; max-width: 520px; color: #728797; font-size: 0.78rem; }

.hero-visual { position: relative; min-height: 610px; display: grid; place-items: center; }
.halo { position: absolute; width: 440px; height: 440px; border-radius: 50%; background: radial-gradient(circle, rgba(31,221,209,0.18) 0, rgba(21,111,219,0.12) 38%, transparent 70%); filter: blur(4px); }
.hero-mark-wrap { position: relative; z-index: 3; width: min(430px, 82%); }
.hero-mark { filter: drop-shadow(0 28px 48px rgba(0,0,0,0.5)) drop-shadow(0 0 28px rgba(32,218,207,0.16)); }
.fragment {
  position: absolute;
  z-index: 5;
  color: #92aabd;
  background: rgba(7,17,31,0.72);
  border: 1px solid rgba(113,183,222,0.16);
  padding: 0.56rem 0.78rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.025em;
  box-shadow: 0 14px 34px rgba(0,0,0,0.23);
  backdrop-filter: blur(9px);
}
.fragment-a { top: 14%; left: 1%; }
.fragment-b { top: 27%; right: 2%; }
.fragment-c { bottom: 25%; left: 4%; }
.fragment-d { bottom: 12%; right: 5%; color: var(--mint); }
.fragment-e { top: 46%; left: -5%; }
.record-axis { position: absolute; z-index: 1; bottom: 2.8rem; width: 78%; height: 1px; background: linear-gradient(90deg, transparent, rgba(99,242,223,0.55), transparent); }
.record-axis span { position: absolute; left: 50%; top: 50%; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); transform: translate(-50%,-50%); box-shadow: 0 0 18px rgba(99,242,223,0.65); }
.visual-caption { position: absolute; bottom: 0; margin: 0; color: #708699; font-family: var(--display); font-size: 0.96rem; font-style: italic; }

.manifesto { background: #0a1828; color: var(--ice); border-top: 1px solid var(--dark-rule); border-bottom: 1px solid var(--dark-rule); }
.manifesto-inner { width: min(var(--grid), calc(100% - 48px)); margin: 0 auto; display: grid; grid-template-columns: 90px 1fr; align-items: center; gap: 1.5rem; min-height: 144px; }
.manifesto-number { font-family: var(--mono); color: #4f8ca5; font-size: 0.75rem; }
.manifesto p { margin: 0; max-width: 950px; font-family: var(--display); font-size: clamp(1.35rem, 2.2vw, 2.05rem); line-height: 1.35; color: #d7e9ef; }

.paper { background: var(--paper); color: var(--ink); }
.ink { background: #0a1828; color: var(--ice); }
.editorial-section { padding: clamp(90px, 11vw, 165px) 0; }
.editorial-grid { width: min(var(--grid), calc(100% - 48px)); margin: 0 auto; display: grid; grid-template-columns: 110px minmax(300px, 0.92fr) minmax(360px, 1.08fr); gap: clamp(2rem, 5vw, 5.5rem); align-items: start; }
.quiet-margin { display: grid; gap: 0.5rem; padding-top: 0.35rem; color: #738087; font-family: var(--mono); font-size: 0.63rem; letter-spacing: 0.12em; }
.quiet-margin::after { content: ""; width: 1px; height: 82px; margin-top: 1rem; background: var(--light-rule); }
.quiet-margin-light { color: #658398; }
.quiet-margin-light::after { background: var(--dark-rule); }
.statement-column h2 { margin: 0; font-size: clamp(2.6rem, 4.7vw, 5rem); line-height: 1.02; }
.reading-column { max-width: var(--reading); }
.reading-column p { color: #516169; font-size: 1.04rem; }
.reading-column .lead-paragraph { margin-top: 0; color: #1d333c; font-size: clamp(1.15rem, 1.6vw, 1.35rem); line-height: 1.58; }

.contrast-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--dark-rule); border: 1px solid var(--dark-rule); }
.contrast-block { padding: 2rem; min-height: 345px; }
.contrast-block p:not(.contrast-label) { margin: 1.1rem 0; font-family: var(--display); font-size: 1.38rem; line-height: 1.3; }
.contrast-muted { background: #0c1c2e; color: #8095a5; }
.contrast-clear { background: #0b2332; color: #dbf7f5; }
.contrast-label { margin: 0 0 2rem; color: #5c8296; font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; }
.contrast-clear .contrast-label { color: #48bdb7; }

.wide-statement { grid-column: 2 / -1; }
.process { grid-column: 2 / -1; border-top: 1px solid var(--light-rule); margin-top: 1rem; }
.process-row { display: grid; grid-template-columns: 92px 240px 1fr; align-items: baseline; gap: 1.5rem; padding: 2rem 0; border-bottom: 1px solid var(--light-rule); }
.process-number { font-family: var(--mono); color: #63818a; font-size: 0.72rem; }
.process-row h3 { margin: 0; font-family: var(--display); font-weight: 400; font-size: 2.2rem; }
.process-row p { margin: 0; color: #5c696e; max-width: 620px; }

.record-layer-section { background: var(--paper-soft); padding: clamp(100px, 12vw, 180px) 0; border-top: 1px solid rgba(18,35,43,0.08); border-bottom: 1px solid rgba(18,35,43,0.08); }
.record-layer-inner { width: min(1040px, calc(100% - 48px)); margin: 0 auto; }
.record-layer-heading { display: grid; grid-template-columns: 240px 1fr; gap: 3rem; align-items: start; margin-bottom: 4rem; }
.record-layer-heading .section-label { color: #427c87; }
.record-layer-heading h2 { margin: 0; font-size: clamp(2.4rem, 4.6vw, 4.8rem); line-height: 1.02; }
.record-layers { display: grid; gap: 0; border-top: 1px solid var(--light-rule); }
.record-layer { display: grid; grid-template-columns: 180px 1fr; gap: 2rem; padding: 2.15rem 0; border-bottom: 1px solid var(--light-rule); }
.layer-label { padding-top: 0.3rem; font-size: 0.68rem; font-weight: 780; letter-spacing: 0.12em; text-transform: uppercase; }
.layer-observation .layer-label { color: #1e7687; }
.layer-experience .layer-label { color: #446f94; }
.layer-interpretation .layer-label { color: #7d746b; }
.record-layer blockquote { margin: 0; font-family: var(--display); font-size: clamp(1.45rem, 2.6vw, 2.35rem); line-height: 1.3; }
.layer-interpretation blockquote { color: #697278; }
.record-layer-note { margin: 2rem 0 0 auto; max-width: 650px; color: #637177; font-size: 0.92rem; }

.pattern-section .timeline { grid-column: 3; position: relative; padding-left: 0.2rem; }
.timeline::before { content: ""; position: absolute; left: 101px; top: 1rem; bottom: 1.4rem; width: 1px; background: #a9bab6; }
.timeline-row { display: grid; grid-template-columns: 82px 20px 1fr; gap: 0.75rem; align-items: start; min-height: 98px; }
.timeline-date { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.07em; color: #6a797e; padding-top: 0.2rem; text-align: right; }
.timeline-dot { position: relative; z-index: 2; width: 7px; height: 7px; margin: 0.28rem auto 0; border-radius: 50%; background: #55888a; border: 2px solid var(--paper); box-shadow: 0 0 0 1px #55888a; }
.timeline-row p { margin: 0; color: #526168; }
.timeline-row-final p { color: #17323c; font-weight: 620; }
.timeline-row-final .timeline-dot { background: var(--aqua); box-shadow: 0 0 0 1px #188f8b; }

.research-section { background: #07111f; color: var(--ice); padding: clamp(100px, 12vw, 180px) 0; }
.research-inner { width: min(var(--grid), calc(100% - 48px)); margin: 0 auto; display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(3rem, 8vw, 8rem); }
.research-heading h2 { margin: 0; max-width: 11ch; font-size: clamp(3rem, 5.7vw, 6rem); line-height: 0.98; }
.evidence-list { border-top: 1px solid var(--dark-rule); }
.evidence-row { display: grid; grid-template-columns: 120px 1fr; column-gap: 1.8rem; padding: 2rem 0 2.2rem; border-bottom: 1px solid var(--dark-rule); }
.evidence-tag { grid-row: 1 / 3; color: #4f9db1; font-family: var(--mono); font-size: 0.67rem; letter-spacing: 0.08em; text-transform: uppercase; padding-top: 0.25rem; }
.evidence-row h3 { margin: 0; font-family: var(--display); font-size: 1.55rem; font-weight: 400; line-height: 1.34; }
.evidence-row p { margin: 0.8rem 0 0; color: #8fa8b8; font-size: 0.9rem; }

.professional-section { padding: clamp(100px, 12vw, 175px) 0; }
.professional-inner { width: min(var(--grid), calc(100% - 48px)); margin: 0 auto; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(3rem, 8vw, 8rem); }
.professional-intro h2 { margin: 0; max-width: 11ch; font-size: clamp(3rem, 5.5vw, 5.7rem); line-height: 0.98; }
.professional-intro > p:last-child { max-width: 560px; color: #5d6a6f; margin-top: 1.6rem; }
.professional-links { border-top: 1px solid var(--light-rule); }
.professional-link { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 2rem; padding: 1.55rem 0; border-bottom: 1px solid var(--light-rule); }
.professional-link span:first-child { font-family: var(--display); font-size: 1.35rem; }
.professional-link span:last-child { color: #657278; font-size: 0.88rem; }

.closing-section { padding: clamp(100px, 12vw, 170px) 0; text-align: center; position: relative; overflow: hidden; }
.closing-section::before { content: ""; position: absolute; width: 650px; height: 650px; left: 50%; top: 50%; transform: translate(-50%,-50%); border-radius: 50%; background: radial-gradient(circle, rgba(31,211,203,0.1), transparent 70%); }
.closing-inner { position: relative; z-index: 2; width: min(920px, calc(100% - 48px)); margin: 0 auto; }
.closing-mark { width: 92px; margin: 0 auto 2.5rem; }
.closing-inner h2 { margin: 0; font-size: clamp(3.3rem, 6.2vw, 6.8rem); line-height: 0.95; }
.closing-inner > p:last-child { max-width: 720px; margin: 2rem auto 0; color: #8ba2b2; font-size: 0.88rem; }

.site-footer { background: #040a14; color: #738897; border-top: 1px solid var(--dark-rule); }
.footer-inner { width: min(var(--grid), calc(100% - 48px)); margin: 0 auto; min-height: 150px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 2rem; font-size: 0.72rem; }
.footer-brand { display: flex; align-items: center; gap: 0.85rem; }
.footer-brand img { width: 44px; height: 44px; }
.footer-brand div { display: grid; gap: 0.1rem; }
.footer-brand strong { color: #d8e9ef; font-size: 0.9rem; }
.footer-brand span { color: #647a8a; font-family: var(--display); font-style: italic; }

:focus-visible { outline: 2px solid var(--mint); outline-offset: 4px; }

@media (max-width: 1050px) {
  .site-nav { display: none; }
  .hero-inner { grid-template-columns: 1fr; min-height: auto; padding-top: 150px; }
  .hero-copy { max-width: 850px; }
  .hero-visual { min-height: 560px; }
  .editorial-grid { grid-template-columns: 70px 1fr; }
  .reading-column, .contrast-columns, .pattern-section .timeline { grid-column: 2; }
  .wide-statement { grid-column: 2; }
  .process { grid-column: 2; }
  .research-inner, .professional-inner { grid-template-columns: 1fr; }
  .research-heading h2, .professional-intro h2 { max-width: 15ch; }
}

@media (max-width: 720px) {
  .header-inner, .hero-inner, .manifesto-inner, .editorial-grid, .research-inner, .professional-inner, .footer-inner { width: min(100% - 32px, var(--grid)); }
  .header-inner { min-height: 76px; }
  .brand-mark { width: 36px; height: 36px; }
  .hero { min-height: 0; }
  .hero-inner { padding: 125px 0 70px; gap: 2rem; }
  .hero h1 { font-size: clamp(3.5rem, 16vw, 5.4rem); }
  .hero-deck { font-size: 1.02rem; }
  .hero-visual { min-height: 420px; }
  .hero-mark-wrap { width: min(320px, 78%); }
  .halo { width: 320px; height: 320px; }
  .fragment { font-size: 0.62rem; }
  .fragment-a { top: 8%; left: 0; }
  .fragment-b { top: 24%; right: 0; }
  .fragment-c { bottom: 28%; left: 0; }
  .fragment-d { bottom: 14%; right: 0; }
  .fragment-e { display: none; }
  .manifesto-inner { grid-template-columns: 38px 1fr; min-height: 132px; }
  .editorial-section { padding: 82px 0; }
  .editorial-grid { grid-template-columns: 1fr; gap: 2rem; }
  .quiet-margin { display: flex; gap: 0.8rem; align-items: center; }
  .quiet-margin::after { width: 46px; height: 1px; margin: 0; }
  .statement-column, .reading-column, .contrast-columns, .wide-statement, .process, .pattern-section .timeline { grid-column: 1; }
  .statement-column h2 { font-size: clamp(2.75rem, 12vw, 4.3rem); }
  .contrast-columns { grid-template-columns: 1fr; }
  .contrast-block { min-height: auto; }
  .process-row { grid-template-columns: 48px 1fr; }
  .process-row p { grid-column: 2; }
  .record-layer-inner, .closing-inner { width: min(100% - 32px, 1040px); }
  .record-layer-heading { grid-template-columns: 1fr; gap: 0.6rem; }
  .record-layer { grid-template-columns: 1fr; gap: 0.65rem; }
  .timeline::before { left: 72px; }
  .timeline-row { grid-template-columns: 55px 18px 1fr; }
  .research-heading h2, .professional-intro h2 { font-size: clamp(3rem, 13vw, 4.7rem); }
  .evidence-row { grid-template-columns: 1fr; }
  .evidence-tag { grid-row: auto; margin-bottom: 0.65rem; }
  .professional-link { grid-template-columns: 1fr; gap: 0.35rem; }
  .closing-inner h2 { font-size: clamp(3.2rem, 13.5vw, 5rem); }
  .footer-inner { grid-template-columns: 1fr; gap: 0.7rem; padding: 2rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}
