:root {
  --ink: #0b1739;
  --navy: #0b1b46;
  --blue: #1d63d4;
  --peri: #788ef6;
  --ice: #eef4ff;
  --mist: #f5f7fb;
  --line: #d8e1f0;
  --muted: #5c6884;
  --green: #198464;
  --amber: #a56514;
  --red: #b04a56;
  --white: #ffffff;
  --footer: #07132e;
  --font-body: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-machine: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --shadow: 0 18px 60px rgba(10, 28, 72, .10);
  --shadow-sm: 0 8px 30px rgba(10, 28, 72, .08);
  --radius: 22px;
  --max: 1220px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font-body);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
::selection { background: rgba(120, 142, 246, .28); }
.skip-link { position: absolute; left: -9999px; top: auto; }
.skip-link:focus { left: 20px; top: 12px; z-index: 1000; background: white; padding: 10px 14px; border-radius: 8px; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 40px), 850px); margin-inline: auto; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); font-size: .76rem; letter-spacing: .15em; text-transform: uppercase; font-weight: 800; }
.eyebrow::before { content: ""; width: 27px; height: 2px; background: currentColor; border-radius: 2px; }
.kicker { color: var(--blue); font-weight: 750; letter-spacing: .01em; margin-bottom: 8px; }
h1, h2, h3 { line-height: 1.06; margin: 0 0 18px; letter-spacing: -.035em; }
h1 { font-size: clamp(3rem, 6.8vw, 6.55rem); font-weight: 720; }
h2 { font-size: clamp(2.25rem, 4.3vw, 4.2rem); font-weight: 700; }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); font-weight: 700; }
p { margin: 0 0 1rem; }
.lede { font-size: clamp(1.14rem, 2vw, 1.42rem); line-height: 1.55; color: rgba(11,23,57,.80); max-width: 760px; }
.small { font-size: .88rem; color: var(--muted); }
.muted { color: var(--muted); }
.mono, .machine { font-family: var(--font-machine); font-variant-numeric: tabular-nums; }
.rule { height: 1px; background: var(--line); margin: 30px 0; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.90); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(216,225,240,.85); }
.nav-shell { height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; min-width: 260px; flex-shrink: 0; }
.brand img { height: 60px; width: auto; }
.primary-nav { display: flex; align-items: center; gap: 3px; }
.primary-nav a { text-decoration: none; color: rgba(11,23,57,.76); padding: 10px 11px; border-radius: 9px; font-size: .89rem; font-weight: 650; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--ink); background: var(--ice); }
.nav-cta { color: white !important; background: var(--navy) !important; padding-inline: 16px !important; }
.nav-cta:hover { background: var(--blue) !important; }
.menu-toggle { display: none; border: 0; background: transparent; width: 44px; height: 44px; border-radius: 10px; color: var(--navy); }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ""; display: block; width: 22px; height: 2px; background: currentColor; margin: 5px auto; transition: .2s; }

/* Buttons */
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 0 19px; border-radius: 12px; text-decoration: none; font-weight: 750; border: 1px solid transparent; transition: transform .18s, box-shadow .18s, background .18s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--navy); color: white; box-shadow: 0 10px 25px rgba(11,27,70,.18); }
.btn-primary:hover { background: var(--blue); }
.btn-secondary { background: white; border-color: rgba(29,99,212,.34); color: var(--navy); }
.btn-secondary:hover { border-color: var(--blue); box-shadow: var(--shadow-sm); }
.btn-light { background: white; color: var(--navy); }
.btn-ghost { color: white; border-color: rgba(255,255,255,.35); }
.arrow::after { content: "→"; transition: transform .18s; }
.arrow:hover::after { transform: translateX(3px); }

/* Sections */
.section { padding: clamp(78px, 10vw, 138px) 0; position: relative; }
.section-tight { padding: 70px 0; }
.section-ice { background: linear-gradient(180deg, var(--mist) 0%, var(--ice) 100%); }
.section-navy { color: white; background: radial-gradient(circle at 78% 20%, rgba(120,142,246,.25), transparent 38%), linear-gradient(135deg, var(--footer), var(--navy) 68%, rgba(29,99,212,.95)); }
.section-navy .lede, .section-navy .muted, .section-navy .small { color: rgba(255,255,255,.78); }
.section-header { display: grid; grid-template-columns: minmax(0, .78fr) minmax(280px, .42fr); gap: 60px; align-items: end; margin-bottom: 52px; }
.section-header > :last-child { justify-self: end; }
.overline { font-size: .76rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 800; color: var(--blue); }

/* Hero */
.hero { min-height: calc(100vh - 100px); padding: clamp(70px, 9vw, 130px) 0 90px; overflow: hidden; position: relative; background: radial-gradient(circle at 85% 10%, rgba(120,142,246,.17), transparent 27%), linear-gradient(180deg,var(--white),var(--mist) 76%,var(--ice)); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(13,38,92,.038) 1px, transparent 1px), linear-gradient(90deg, rgba(13,38,92,.038) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to bottom, black 0, transparent 74%); }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(430px, .98fr); align-items: center; gap: clamp(45px, 7vw, 105px); }
.hero h1 span { color: var(--blue); }
.hero-copy { max-width: 660px; }
.promise { margin-top: 28px; display: flex; align-items: center; gap: 12px; color: var(--navy); font-weight: 750; }
.promise-dot { width: 11px; height: 11px; border: 3px solid var(--peri); border-radius: 50%; box-shadow: 0 0 0 5px rgba(120,142,246,.13); }
.hero-panel { position: relative; background: rgba(255,255,255,.82); border: 1px solid rgba(166,185,219,.75); border-radius: 26px; padding: 22px; box-shadow: 0 35px 90px rgba(27,54,109,.16); backdrop-filter: blur(16px); }
.hero-panel::after { content: ""; position: absolute; inset: 13px; border: 1px solid rgba(216,225,240,.7); border-radius: 18px; pointer-events: none; }
.signal-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 4px 4px 18px; position: relative; z-index: 1; }
.signal-head strong { font-size: .79rem; text-transform: uppercase; letter-spacing: .12em; }
.live-pill { font-size: .75rem; color: var(--green); background: rgba(25,132,100,.10); border: 1px solid rgba(25,132,100,.30); padding: 5px 8px; border-radius: 999px; font-weight: 800; }
.event-block { position: relative; z-index: 1; background: var(--navy); color: white; border-radius: 16px; padding: 20px 22px; margin-bottom: 15px; }
.event-block .mono { color: rgba(255,255,255,.74); font-size: .75rem; }
.event-block strong { display: block; font-size: 1.18rem; margin-top: 4px; }
.branch-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; position: relative; z-index: 1; }
.branch { min-height: 148px; border: 1px solid var(--line); border-radius: 14px; padding: 15px; background: white; position: relative; overflow: hidden; }
.branch::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--blue); }
.branch.loss::before { background: var(--red); }
.branch.refuse::before { background: var(--peri); }
.branch .label { font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); font-weight: 800; }
.branch strong { display: block; font-size: 1rem; margin-top: 13px; }
.branch .value { font-family: var(--font-machine); font-size: 1.15rem; margin-top: 15px; color: var(--green); }
.branch.loss .value { color: var(--red); }
.branch.refuse .value { color: var(--peri); font-size: .88rem; }
.trace { position: relative; z-index: 1; margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: var(--ice); color: rgba(11,23,57,.78); font-size: .75rem; }

/* Cards and grids */
.grid-2 { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 17px; }
.card { background: white; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: 0 1px 0 rgba(10,28,72,.02); }
.card:hover { border-color: rgba(29,99,212,.32); }

.card p:last-child { margin-bottom: 0; }
.link-card { text-decoration: none; transition: transform .2s, box-shadow .2s; }
.link-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.layer-card { min-height: 235px; display: flex; flex-direction: column; }
.layer-card .question { margin-top: auto; color: var(--blue); font-weight: 760; }
.app-card { min-height: 270px; position: relative; overflow: hidden; }

.app-role { display: inline-flex; background: var(--ice); color: var(--blue); border-radius: 999px; padding: 6px 10px; font-size: .75rem; font-weight: 800; margin-bottom: 24px; }
.status { display: inline-flex; align-items: center; gap: 7px; font-size: .75rem; font-weight: 850; text-transform: uppercase; letter-spacing: .09em; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); }
.status.demonstrated::before { background: var(--green); }
.status.implemented::before { background: var(--blue); }
.status.development::before { background: var(--amber); }
.status.research::before { background: var(--peri); }

/* Diagrams */
.diagram-frame { background: white; border: 1px solid var(--line); border-radius: 24px; padding: clamp(14px,2vw,30px); box-shadow: var(--shadow-sm); }
.diagram-frame img { width: 100%; height: auto; }
.figure-caption { margin-top: 14px; font-size: .82rem; color: var(--muted); }
.mechanism { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 15px; margin-top: 42px; }
.mech-box { border: 1px solid var(--line); background: white; border-radius: 17px; padding: 23px; min-height: 165px; }
.mech-box strong { display: block; font-size: 1.2rem; margin-bottom: 10px; }
.mech-box.active { background: var(--navy); color: white; border-color: var(--navy); }
.mech-arrow { align-self: center; color: var(--blue); font-size: 1.75rem; }
.formula { font-family: var(--font-machine); color: rgba(255,255,255,.72); margin-top: 20px; }

/* Feature rows */
.feature-row { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(40px,8vw,100px); align-items: center; margin-top: 70px; }
.feature-row.reverse { grid-template-columns: 1.2fr .8fr; }
.feature-row.reverse > :first-child { order: 2; }
.list-clean { list-style: none; padding: 0; margin: 24px 0 0; }
.list-clean li { position: relative; padding: 12px 0 12px 28px; border-top: 1px solid var(--line); }
.list-clean li::before { content: ""; position: absolute; left: 2px; top: 20px; width: 8px; height: 8px; border-radius: 50%; background: var(--peri); }

/* Page hero */
.page-hero { padding: 95px 0 75px; background: radial-gradient(circle at 80% 0, rgba(120,142,246,.15), transparent 30%), linear-gradient(180deg,var(--white),var(--mist)); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(3.2rem, 7vw, 6.8rem); max-width: 980px; }
.page-hero .lede { max-width: 850px; }
.breadcrumb { font-size: .8rem; color: var(--muted); margin-bottom: 35px; }
.breadcrumb a { color: var(--blue); text-decoration: none; }

/* Consequence chain */
.chain { display: grid; grid-template-columns: repeat(5,minmax(130px,1fr)); gap: 16px; position: relative; margin-top: 38px; }
.chain::before { content: ""; position: absolute; top: 50%; left: 8%; right: 8%; height: 2px; background: linear-gradient(90deg,var(--blue),var(--peri)); z-index: 0; }
.chain-node { position: relative; z-index: 1; background: white; border: 1px solid var(--line); border-radius: 16px; padding: 18px; min-height: 138px; box-shadow: 0 9px 25px rgba(10,28,72,.07); }
.chain-node .step { font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); font-weight: 800; }
.chain-node strong { display: block; margin: 14px 0 7px; }
.loop-card { background: linear-gradient(135deg,var(--navy),rgba(29,99,212,.90)); color: white; border-radius: 24px; padding: 36px; }

/* Evidence */
.evidence-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: white; }
table { width: 100%; border-collapse: collapse; min-width: 780px; }
th, td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--ice); color: var(--navy); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }
td { font-size: .91rem; }
tr:last-child td { border-bottom: 0; }
.evidence-item { display: grid; grid-template-columns: 150px 1fr auto; gap: 24px; align-items: start; padding: 28px 0; border-top: 1px solid var(--line); }
.evidence-item:first-child { border-top: 0; }
.download { display: inline-flex; align-items: center; gap: 8px; font-weight: 750; color: var(--blue); text-decoration: none; white-space: nowrap; }
.download::after { content: "↓"; }

/* Screenshot gallery */
.screen-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 20px; }
.screen-card { background: var(--navy); border-radius: 22px; padding: 10px; box-shadow: var(--shadow); }
.screen-card img { border-radius: 14px; }
.screen-card figcaption { color: rgba(255,255,255,.72); font-size: .78rem; padding: 12px 8px 5px; }
.screen-stack { display: grid; gap: 20px; }

/* Research */
.paper { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: start; padding: 30px 0; border-top: 1px solid var(--line); }
.paper:first-child { border-top: 0; }

.paper h3 { margin-bottom: 9px; }

/* CTA */
.cta-panel { padding: clamp(40px,6vw,76px); border-radius: 30px; background: radial-gradient(circle at 83% 15%, rgba(120,142,246,.42), transparent 28%), linear-gradient(135deg,var(--footer),var(--navy)); color: white; box-shadow: 0 30px 80px rgba(8,22,51,.25); }
.cta-panel h2 { max-width: 800px; }
.cta-panel p { max-width: 760px; color: rgba(255,255,255,.78); }

/* Contact */
.contact-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; align-items: start; }
.contact-form { background: white; border: 1px solid var(--line); border-radius: 24px; padding: 30px; box-shadow: var(--shadow-sm); }
.field { display: grid; gap: 8px; margin-bottom: 18px; }
.field label { font-size: .82rem; font-weight: 750; color: var(--navy); }
.field input, .field textarea, .field select { width: 100%; border: 1px solid rgba(29,99,212,.30); border-radius: 11px; padding: 13px 14px; background: rgba(238,244,255,.42); color: var(--ink); outline: none; }
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(29,99,212,.10); }

/* Footer */
.site-footer { background: var(--footer); color: rgba(255,255,255,.86); padding: 70px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3,.7fr); gap: 45px; }
.footer-brand { max-width: 370px; }
.footer-brand .brand { min-width: 0; }
.footer-brand .brand img { height: 48px; }
.site-footer h4 { margin: 0 0 16px; color: white; font-size: .82rem; letter-spacing: .11em; text-transform: uppercase; }
.site-footer a { display: block; color: rgba(255,255,255,.68); text-decoration: none; margin: 8px 0; font-size: .9rem; }
.site-footer a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 30px; margin-top: 50px; border-top: 1px solid rgba(255,255,255,.12); font-size: .78rem; color: rgba(255,255,255,.52); }

/* Progressive enhancement: .reveal content is visible by default. The hide-then-
   reveal animation is enabled only when site.js confirms JS + IntersectionObserver
   by setting html.reveal-enh. If JS/observer fails, content is never hidden. */
html.reveal-enh .reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
/* Restore selector must outrank the hide selector (both carry .reveal-enh + .reveal),
   so .visible is scoped under html.reveal-enh to win the cascade. */
html.reveal-enh .reveal.visible { opacity: 1; transform: none; }

/* Light cards inside dark (navy) sections must reset inherited white text. */
.section-navy .card { color: var(--ink); }
.section-navy .card h2, .section-navy .card h3, .section-navy .card h4 { color: var(--ink); }
.section-navy .card p, .section-navy .card .small, .section-navy .card .muted { color: var(--muted); }

@media (max-width: 1050px) {
  .primary-nav { display: none; position: absolute; top: 100px; left: 0; right: 0; padding: 16px 20px 24px; background: rgba(255,255,255,.98); border-bottom: 1px solid var(--line); box-shadow: var(--shadow-sm); flex-direction: column; align-items: stretch; }
  .primary-nav.open { display: flex; }
  .primary-nav a { padding: 12px 14px; }
  .menu-toggle { display: block; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 850px; }
  .hero-panel { max-width: 760px; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .section-header { grid-template-columns: 1fr; gap: 20px; }
  .section-header > :last-child { justify-self: start; }
  .feature-row, .feature-row.reverse { grid-template-columns: 1fr; }
  .feature-row.reverse > :first-child { order: 0; }
  .chain { grid-template-columns: repeat(3,1fr); }
  .chain::before { display: none; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-grid > :last-child { grid-column: 2; }
}
@media (max-width: 760px) {
  .container, .narrow { width: min(calc(100% - 28px), var(--max)); }
  .nav-shell { height: 78px; }
  .primary-nav { top: 78px; }
  .brand { min-width: 200px; }
  .brand img { height: 46px; }
  .hero { min-height: auto; padding-top: 64px; }
  h1 { font-size: clamp(2.75rem, 13vw, 4.5rem); }
  .page-hero h1 { font-size: clamp(2.75rem, 14vw, 4.5rem); }
  .branch-grid { grid-template-columns: 1fr; }
  .branch { min-height: auto; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .mechanism { grid-template-columns: 1fr; }
  .mech-arrow { transform: rotate(90deg); justify-self: center; }
  .chain { grid-template-columns: 1fr; }
  .screen-grid { grid-template-columns: 1fr; }
  .evidence-item, .paper { grid-template-columns: 1fr; }

  .contact-layout { grid-template-columns: 1fr; gap: 35px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; }
  .footer-grid > :last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  /* !important guarantees content is shown regardless of the reveal-enh hide selector. */
  .reveal, html.reveal-enh .reveal { opacity: 1 !important; transform: none !important; }
}


/* v1.1: disciplined composition and accessible interaction */
:focus-visible { outline: 3px solid rgba(29,99,212,.38); outline-offset: 3px; }
.container-wide { width: min(calc(100% - 40px), 1360px); margin-inline: auto; }
.container-left { width: min(calc(100% - 40px), 1080px); margin-left: max(20px, calc((100vw - var(--max)) / 2)); margin-right: auto; }
.container-right { width: min(calc(100% - 40px), 1080px); margin-right: max(20px, calc((100vw - var(--max)) / 2)); margin-left: auto; }
.eyebrow-on-dark { color: rgba(255,255,255,.72) !important; }
.accent-on-dark { color: rgba(255,255,255,.72) !important; }
.text-blue { color: var(--blue) !important; }
.mt-14 { margin-top: 14px !important; }
.mt-22 { margin-top: 22px !important; }
.mt-28 { margin-top: 28px !important; }
.display-compact { font-size: clamp(2.2rem,4vw,3.7rem) !important; }
.display-section { font-size: 2.5rem !important; }
.machine { font-family: var(--font-machine); font-variant-numeric: tabular-nums; }
.inline-proof { display: inline-flex; align-items: center; gap: 6px; margin-top: 7px; color: var(--blue); font-weight: 750; text-decoration: none; font-size: .82rem; }
.inline-proof::after { content: "↗"; }
.matrix-note { display: flex; gap: 16px; align-items: flex-start; padding: 18px 20px; margin-top: 20px; border: 1px solid rgba(29,99,212,.24); border-radius: 14px; background: rgba(238,244,255,.55); }
.matrix-note strong { min-width: 128px; color: var(--navy); }
.location-block { display: grid; gap: 4px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.location-block span { color: var(--muted); font-size: .88rem; }
.founder-profile { display: grid; grid-template-columns: 190px 1fr; gap: 34px; align-items: stretch; }
.founder-mark { min-height: 250px; border-radius: 22px; display: grid; place-items: center; position: relative; overflow: hidden; background: radial-gradient(circle at 70% 20%, rgba(120,142,246,.38), transparent 35%), linear-gradient(145deg,var(--footer),var(--navy)); color: var(--white); }
.founder-mark::before { content: "SF"; font-size: 5.5rem; font-weight: 750; letter-spacing: -.06em; }
.founder-mark::after { content: "FOUNDER"; position: absolute; bottom: 20px; font-size: .75rem; letter-spacing: .18em; color: rgba(255,255,255,.65); }
.matrix-frame { padding: clamp(12px,2vw,24px); }
.integrity-badge { display:inline-flex; align-items:center; gap:8px; padding:8px 11px; border-radius:999px; background:rgba(25,132,100,.10); color:var(--green); font-weight:800; font-size:.75rem; }
.integrity-badge::before { content:"✓"; }
.footer-location { color: rgba(255,255,255,.64); }
@media (max-width:760px) {
  .container-wide, .container-left, .container-right { width:min(calc(100% - 28px), var(--max)); margin-inline:auto; }
  .founder-profile { grid-template-columns:1fr; }
  .founder-mark { min-height:180px; }
  .matrix-note { flex-direction:column; gap:6px; }
}

/* v1.2 interim evidence edition */
.evidence-hero { background: radial-gradient(circle at 82% 18%, rgba(120,142,246,.30), transparent 30%), linear-gradient(135deg,var(--footer),var(--navy)); color: white; }
.evidence-hero .lede { color: rgba(255,255,255,.82); max-width: 880px; }
.evidence-hero .eyebrow { color: rgba(255,255,255,.72); }
.evidence-hero .breadcrumb, .evidence-hero .breadcrumb a { color: rgba(255,255,255,.62); }
.evidence-hero .btn-secondary { background: transparent; color: white; border-color: rgba(255,255,255,.36); }
.evidence-hero .btn-secondary:hover { border-color: white; box-shadow: none; }
.evidence-principle { display:grid; grid-template-columns:minmax(0,.9fr) minmax(300px,.62fr); gap:clamp(36px,7vw,90px); align-items:end; padding:32px 0; }
.evidence-principle p:last-child { margin-bottom:0; }
.proof-gallery { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
.proof-card { display:flex; flex-direction:column; min-width:0; background:white; border:1px solid var(--line); border-radius:22px; overflow:hidden; text-decoration:none; box-shadow:0 1px 0 rgba(10,28,72,.03); transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease; }
.proof-card:hover { transform:translateY(-4px); box-shadow:var(--shadow); border-color:rgba(29,99,212,.35); }
.proof-feature { grid-column:auto; }
.proof-image { aspect-ratio: 1.878 / 1; overflow:hidden; background:#111c31; border-bottom:1px solid var(--line); }
.proof-image img { width:100%; height:100%; object-fit:cover; }
.proof-copy { padding:24px 26px 26px; display:flex; flex-direction:column; flex:1; }
.proof-copy h3 { font-size:clamp(1.25rem,1.8vw,1.65rem); margin-bottom:12px; }
.proof-copy p { color:var(--muted); font-size:.94rem; }
.proof-meta { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:15px; }
.proof-meta span { display:inline-flex; align-items:center; min-height:27px; padding:4px 9px; border-radius:999px; background:var(--ice); color:var(--blue); font-size:.7rem; font-weight:850; letter-spacing:.08em; text-transform:uppercase; }
.proof-meta span + span { background:var(--mist); color:var(--muted); }
.proof-link { margin-top:auto; padding-top:12px; color:var(--blue); font-weight:780; font-size:.82rem; }
.evidence-path { min-height:270px; display:flex; flex-direction:column; }
.evidence-path .evidence-links { display:flex; flex-wrap:wrap; gap:8px 16px; margin-top:auto; padding-top:12px; }
@media (min-width:1180px) {
  .proof-card.proof-feature:first-child, .proof-card.proof-feature:nth-child(2) { grid-column:span 1; }
}
@media (max-width:860px) {
  .evidence-principle { grid-template-columns:1fr; gap:18px; }
  .proof-gallery { grid-template-columns:1fr; }
}