:root {
  --ink: #0a0b09;
  --ink-soft: #141612;
  --paper: #f2f1e9;
  --paper-dim: #d2d2c9;
  --line: rgba(242, 241, 233, 0.18);
  --lime: #d9ff43;
  --lime-dark: #677b00;
  --mono: "DM Mono", monospace;
  --sans: "Manrope", sans-serif;
  --pad: clamp(1.25rem, 4vw, 4.5rem);
  --max: 92rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
::selection { background: var(--lime); color: var(--ink); }
#top, #thesis, #expertise, #approach, #careers, #contact { scroll-margin-top: 4.5rem; }

.skip-link {
  position: fixed; top: 0.75rem; left: 0.75rem; z-index: 1000;
  padding: 0.75rem 1rem; transform: translateY(-150%);
  background: var(--lime); color: var(--ink); font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  height: 5.5rem; padding: 0 var(--pad);
  background: linear-gradient(to bottom, rgba(10,11,9,.92), rgba(10,11,9,0));
  transition: background .25s ease, height .25s ease;
}
.site-header.scrolled { height: 4.5rem; background: rgba(10,11,9,.93); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .75rem; font-weight: 700; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 2rem; height: 2rem; border: 1px solid var(--lime); color: var(--lime); font-family: var(--mono); font-size: .9rem; }
.site-header .brand { font-size: 1.2rem; }
.site-header .brand-mark { width: 2.25rem; height: 2.25rem; font-size: 1rem; }
.site-nav { display: flex; align-items: center; gap: clamp(1.4rem, 3vw, 3rem); font-size: .9rem; }
.site-nav a:not(.nav-cta) { color: var(--paper-dim); transition: color .2s ease; }
.site-nav a:hover { color: var(--lime); }
.site-nav a.active:not(.nav-cta) { color: var(--paper); }
.nav-cta { padding: .7rem 1rem; border: 1px solid var(--line); }
.nav-cta.active { border-color: var(--lime); color: var(--lime); }
.menu-toggle { display: none; border: 0; background: transparent; color: var(--paper); }

.hero {
  position: relative; min-height: 100svh; padding: clamp(8.5rem, 14vh, 11rem) var(--pad) 5rem;
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(23rem, .85fr); gap: 2rem; align-items: center;
  max-width: calc(var(--max) + 2 * var(--pad)); margin: 0 auto;
}
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px); background-size: 5rem 5rem; mask-image: linear-gradient(to bottom, black, transparent 80%); }
.eyebrow { display: flex; align-items: center; gap: .65rem; margin: 0 0 1.6rem; font-family: var(--mono); color: var(--paper-dim); font-size: .875rem; letter-spacing: .09em; text-transform: uppercase; }
.eyebrow > span { width: .45rem; height: .45rem; border-radius: 50%; background: var(--lime); box-shadow: 0 0 1rem rgba(217,255,67,.7); }
.hero h1 { margin: 0; font-size: clamp(3.2rem, 5.7vw, 7rem); line-height: .94; letter-spacing: -.04em; font-weight: 500; }
.hero h1 span { display: block; }
.hero h1 span + span { margin-top: .16em; }
.hero h1 .accent { color: var(--lime); }
.hero-intro { width: min(40rem, 88%); margin: 2.5rem 0 0; }
.hero-intro > p { margin: 0; color: var(--paper-dim); font-size: clamp(1rem, 1.35vw, 1.22rem); line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 1.8rem; margin-top: 1.8rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3.25rem; padding: .85rem 1.25rem; font-weight: 700; font-size: .9rem; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--lime); color: var(--ink); }
.text-link { padding-bottom: .2rem; border-bottom: 1px solid var(--line); font-size: .9rem; }
.text-link span { color: var(--lime); }
.hero-visual { position: relative; margin: 2.5rem 0 0; align-self: end; overflow: hidden; border: 1px solid var(--line); background: #060706; }
.hero-visual::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 7rem #080907; pointer-events: none; }
.semantic-network { height: min(52vh, 35rem); min-height: 28rem; background: radial-gradient(circle at 52% 50%, rgba(217,255,67,.045), transparent 38%), #060706; }
.semantic-network svg { width: 100%; height: 100%; }
.network-links path { fill: none; stroke: rgba(217,255,67,.46); stroke-width: 1.4; stroke-dasharray: 5 10; animation: data-flow 7s linear infinite; }
.network-links .flow-in { animation: data-flow 7s linear infinite, stage-input 12s ease-in-out infinite; }
.network-links .flow-out { animation: data-flow 7s linear infinite, stage-output 12s ease-in-out infinite; }
.network-links .network-link-dim { stroke: rgba(242,241,233,.12); stroke-dasharray: 2 12; animation-duration: 11s; }
.entity { transform-box: fill-box; transform-origin: center; animation: entity-float 7s ease-in-out infinite; }
.entity-input { animation: entity-float 7s ease-in-out infinite, stage-input 12s ease-in-out infinite; }
.entity-output { animation: entity-float 7s ease-in-out infinite, stage-output 12s ease-in-out infinite; }
.entity-b, .entity-e { animation-delay: -2.2s, 0s; }
.entity-c, .entity-d { animation-delay: -4.4s, 0s; }
.entity-shell { fill: url(#glass); stroke: rgba(242,241,233,.28); stroke-width: 1.2; }
.entity-mark { fill: rgba(217,255,67,.08); stroke: rgba(217,255,67,.8); stroke-width: 1.3; }
.entity-detail, .entity-detail-ring { fill: none; stroke: rgba(242,241,233,.38); stroke-width: 1.2; }
.knowledge-core { transform-origin: 480px 310px; animation: stage-core 12s ease-in-out infinite; }
.core-ring { fill: none; stroke: rgba(217,255,67,.48); stroke-width: 1.4; stroke-dasharray: 4 9; transform-origin: 480px 310px; animation: core-spin 18s linear infinite; }
.core-ring-b { stroke: rgba(242,241,233,.28); animation-direction: reverse; animation-duration: 12s; }
.core-mesh { fill: rgba(217,255,67,.025); stroke: rgba(242,241,233,.36); stroke-width: 1.1; }
.core-node, .network-nodes circle { fill: var(--lime); filter: url(#soft-glow); transform-box: fill-box; transform-origin: center; animation: node-pulse 2.8s ease-in-out infinite; }
.network-nodes circle:nth-child(3n+2), .node-delay-1 { animation-delay: -.9s; }
.network-nodes circle:nth-child(3n), .node-delay-2 { animation-delay: -1.8s; }
@keyframes data-flow { to { stroke-dashoffset: -60; } }
@keyframes entity-float { 0%, 100% { transform: translateY(-5px); } 50% { transform: translateY(7px); } }
@keyframes core-spin { to { transform: rotate(360deg); } }
@keyframes node-pulse { 0%, 100% { opacity: .45; transform: scale(.8); } 50% { opacity: 1; transform: scale(1.35); } }
@keyframes stage-input { 0%, 25% { opacity: 1; } 34%, 92% { opacity: .28; } 100% { opacity: 1; } }
@keyframes stage-core { 0%, 25%, 68%, 100% { opacity: .42; } 34%, 59% { opacity: 1; } }
@keyframes stage-output { 0%, 59%, 100% { opacity: .28; } 68%, 92% { opacity: 1; } }
.hero-visual figcaption { position: absolute; inset: auto 1rem 1rem; z-index: 2; padding: .7rem .8rem; background: rgba(10,11,9,.82); border: 1px solid var(--line); backdrop-filter: blur(12px); font-family: var(--mono); font-size: .58rem; letter-spacing: .04em; color: var(--paper-dim); }
.hero-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: .65rem; }
.hero-flow span { display: grid; gap: .14rem; line-height: 1.35; }
.hero-flow b { color: var(--lime); font-size: .54rem; font-weight: 400; }
.hero-flow > i { color: var(--lime); font-style: normal; animation: arrow-breathe 2s ease-in-out infinite; }
.flow-stage { opacity: .38; animation: stage-label 12s ease-in-out infinite; }
.stage-enrich { animation-delay: 4s; }
.stage-transform { animation-delay: 8s; }
@keyframes stage-label { 0%, 26% { opacity: 1; } 34%, 100% { opacity: .38; } }
@keyframes arrow-breathe { 0%, 100% { opacity: .3; transform: translateX(0); } 50% { opacity: 1; transform: translateX(.16rem); } }

.process-canvas { display: none; width: 100%; height: 100%; }
.process-ready .process-canvas { display: block; }
.process-ready .semantic-network svg { display: none; }
.hero-visual .hero-flow { display: block; padding: 0; font-size: .65rem; }
.process-description { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .85rem; border-bottom: 1px solid var(--line); }
.hero-flow .process-description span { display: block; }
.process-pause, .process-stages button { color: var(--paper-dim); background: none; border: 0; font: inherit; cursor: pointer; }
.process-pause { padding: .3rem; text-decoration: underline; text-underline-offset: .25em; }
.process-stages { display: grid; grid-template-columns: repeat(3, 1fr); }
.process-stages button { position: relative; text-align: left; padding: .8rem; border-top: 2px solid transparent; }
.process-stages button + button { border-left: 1px solid var(--line); }
.process-stages button[aria-pressed="true"] { color: var(--paper); border-top-color: var(--lime); background: rgba(217,255,67,.06); }
.process-stages b { display: block; margin-bottom: .3rem; }
.hero-flow button:focus-visible { outline: 2px solid var(--lime); outline-offset: -3px; }

.section { max-width: calc(var(--max) + 2 * var(--pad)); margin: 0 auto; padding: clamp(6rem, 11vw, 10rem) var(--pad); }
.section-label { display: flex; gap: 1rem; padding-bottom: 1rem; margin-bottom: clamp(3.5rem, 7vw, 7rem); border-bottom: 1px solid var(--line); color: var(--paper-dim); font-family: var(--mono); font-size: .875rem; letter-spacing: .09em; text-transform: uppercase; }
.section-label span { color: var(--lime); }
.thesis { max-width: none; border-top: 1px solid rgba(10,11,9,.12); background: var(--paper); color: var(--ink); }
.thesis > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.thesis .section-label { border-color: rgba(10,11,9,.2); color: #5f6159; }
.thesis .section-label span, .thesis .display em { color: var(--lime-dark); }
.thesis-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: clamp(3rem, 9vw, 10rem); align-items: end; }
.display { margin: 0; font-size: clamp(2.8rem, 5.7vw, 6rem); line-height: 1.03; letter-spacing: -.035em; font-weight: 500; }
.display em { color: var(--lime); font-style: normal; }
.body-large { color: #55574f; font-size: clamp(1rem, 1.35vw, 1.2rem); }
.body-large p { margin: 0 0 1.4rem; }

.expertise { background: var(--paper); color: var(--ink); max-width: none; }
.expertise > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.expertise .section-label { border-color: rgba(10,11,9,.2); color: #5f6159; }
.expertise .section-label span { color: var(--lime-dark); }
.expertise-intro { display: grid; grid-template-columns: 1.1fr .6fr; gap: 3rem; align-items: end; margin-bottom: 5rem; }
.expertise-intro h2 { margin: 0; font-size: clamp(2.5rem, 5vw, 5.2rem); line-height: 1.02; letter-spacing: -.035em; font-weight: 500; }
.expertise-intro h2 em { color: var(--lime-dark); font-style: normal; }
.expertise-intro p { margin: 0; color: #5f6159; font-size: 1.05rem; }
.capability { display: grid; grid-template-columns: .25fr .85fr 1fr 1fr; gap: 2rem; padding: 2.4rem 0; border-top: 1px solid rgba(10,11,9,.18); align-items: start; transition: padding .25s ease, background .25s ease; }
.capability:last-child { border-bottom: 1px solid rgba(10,11,9,.18); }
.capability:hover, .capability:focus { padding-left: 1rem; padding-right: 1rem; background: rgba(217,255,67,.28); outline: none; }
.capability-number, .capability-title p { font-family: var(--mono); font-size: .67rem; letter-spacing: .08em; text-transform: uppercase; color: #73756d; }
.capability-title p { margin: 0 0 .45rem; }
.capability-title h3 { margin: 0; font-size: clamp(1.5rem, 2.3vw, 2.25rem); line-height: 1.1; letter-spacing: -.025em; font-weight: 600; }
.capability-copy { margin: 0; color: #454740; max-width: 31rem; }
.capability-tags { display: flex; gap: .45rem; flex-wrap: wrap; }
.capability-tags span { padding: .4rem .65rem; border: 1px solid rgba(10,11,9,.2); font-family: var(--mono); font-size: .62rem; text-transform: uppercase; }

.statement { position: relative; min-height: 42rem; padding: clamp(6rem, 12vw, 11rem) var(--pad); display: grid; align-content: center; overflow: hidden; background: var(--ink); color: var(--paper); }
.statement-inner { position: relative; z-index: 2; width: 100%; max-width: var(--max); margin: 0 auto; }
.statement .eyebrow { color: var(--paper-dim); }
.statement .eyebrow > span { background: var(--lime); box-shadow: 0 0 1rem rgba(217,255,67,.6); }
.statement blockquote { max-width: 72rem; margin: 0; font-size: clamp(2.75rem, 5vw, 5.5rem); line-height: 1.01; letter-spacing: -.035em; font-weight: 600; }
.statement blockquote em { color: var(--lime); font-style: normal; }
.statement-copy { width: min(38rem, 80%); margin: 3rem 0 0 auto; color: var(--paper-dim); font-size: clamp(1rem, 1.5vw, 1.25rem); }
.statement-orbit { position: absolute; top: 50%; right: 8%; width: 38vw; aspect-ratio: 1; transform: translateY(-50%); opacity: .16; }
.statement-orbit span { position: absolute; inset: 0; border: 1px solid var(--paper); border-radius: 50%; }
.statement-orbit span:nth-child(2) { transform: rotate(55deg) scaleX(.38); }
.statement-orbit span:nth-child(3) { transform: rotate(-55deg) scaleX(.38); }

.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.problem { min-height: 17rem; padding: 1.7rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s ease, color .25s ease; }
.problem:hover { background: var(--paper); color: var(--ink); }
.problem > span { color: var(--lime); font-family: var(--mono); font-size: .68rem; }
.problem h3 { margin: 3.2rem 0 .8rem; font-size: 1.4rem; letter-spacing: -.03em; }
.problem p { margin: 0; color: var(--paper-dim); font-size: .92rem; }
.problem:hover p { color: #55574f; }
.problem:hover > span { color: var(--lime-dark); }

.approach { background: var(--paper); color: var(--ink); max-width: none; }
.approach > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.approach .section-label { border-color: rgba(10,11,9,.2); color: #5f6159; }
.approach .section-label span { color: var(--lime-dark); }
.approach-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(4rem, 10vw, 10rem); }
.kicker { margin: 0 0 1.4rem; font-family: var(--mono); color: var(--lime-dark); font-size: .875rem; letter-spacing: .08em; text-transform: uppercase; }
.approach-heading h2 { margin: 0 0 2rem; font-size: clamp(2.6rem, 4.3vw, 4.7rem); line-height: 1; letter-spacing: -.035em; font-weight: 500; }
.approach-heading h2 span { display: block; white-space: nowrap; }
.approach-heading > p:last-child { max-width: 29rem; color: #55574f; }
.process { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(10,11,9,.2); }
.process li { display: grid; grid-template-columns: 4rem 1fr; gap: 1rem; padding: 1.6rem 0; border-bottom: 1px solid rgba(10,11,9,.2); }
.process li > span { font-family: var(--mono); color: var(--lime-dark); font-size: .68rem; }
.process h3 { margin: 0 0 .45rem; font-size: 1.25rem; }
.process p { margin: 0; color: #55574f; }

.principles-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.principles-grid article { min-height: 17rem; padding: 1.7rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s ease, color .25s ease; }
.principles-grid article:hover { background: var(--paper); color: var(--ink); }
.principles-grid article > span { color: var(--lime); font-family: var(--mono); font-size: .68rem; }
.principles-grid h3 { margin: 3.2rem 0 .8rem; font-size: 1.4rem; letter-spacing: -.03em; }
.principles-grid p { margin: 0; color: var(--paper-dim); font-size: .92rem; }
.principles-grid article:hover p { color: #55574f; }
.principles-grid article:hover > span { color: var(--lime-dark); }

.careers { max-width: none; padding-top: clamp(6rem, 9vw, 9rem); background: var(--paper); color: var(--ink); }
.careers > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.careers .section-label { border-color: rgba(10,11,9,.2); color: #5f6159; }
.careers .section-label span { color: var(--lime-dark); }
.careers-card { display: grid; grid-template-columns: 1.3fr .7fr; border-bottom: 1px solid rgba(10,11,9,.2); color: var(--ink); }
.careers-copy { padding: clamp(2rem, 6vw, 6rem); }
.careers-copy .eyebrow { color: #5f6159; }
.careers-copy .eyebrow > span { background: var(--lime-dark); box-shadow: none; }
.careers-copy h2 { max-width: 50rem; margin: 0 0 2rem; font-size: clamp(2.8rem, 5vw, 5.5rem); line-height: 1.02; letter-spacing: -.035em; font-weight: 500; }
.careers-copy > p:not(.eyebrow) { max-width: 39rem; margin-bottom: 2.2rem; }
.button-dark { background: var(--ink); color: var(--paper); }
.careers-aside { display: flex; flex-direction: column; justify-content: flex-start; padding: clamp(2rem, 4vw, 4rem); border-left: 1px solid rgba(10,11,9,.2); }
.careers-aside > p { margin: 0; font-family: var(--mono); font-size: .875rem; letter-spacing: .08em; text-transform: uppercase; }
.careers-aside ul { padding: 0; margin: clamp(2.5rem, 5vw, 5rem) 0 0; list-style: none; }
.careers-aside li { display: grid; grid-template-columns: 2rem 1fr; gap: 1rem; padding: .9rem 0; border-top: 1px solid rgba(10,11,9,.2); font-weight: 600; }
.careers-aside li:last-child { border-bottom: 1px solid rgba(10,11,9,.2); }
.careers-aside li span, .careers-aside small { font-family: var(--mono); font-size: .65rem; font-weight: 400; }

.contact { padding-bottom: 5rem; }
.contact h2 { max-width: 86rem; margin: 0; font-size: clamp(2.6rem, 5.5vw, 6rem); line-height: 1.05; letter-spacing: -.035em; font-weight: 500; }
.contact h2 span { display: block; }
.display, .expertise-intro h2, .statement blockquote, .approach-heading h2, .careers-copy h2, .contact h2 { word-spacing: .065em; }
.hero h1 { word-spacing: .14em; }
.contact-row { display: flex; justify-content: space-between; gap: 3rem; margin-top: 4rem; padding-top: 1.6rem; border-top: 1px solid var(--line); color: var(--paper-dim); }
.contact-row p { margin: 0; font-size: clamp(1.1rem, 1.5vw, 1.35rem); line-height: 1.6; }
.contact-row a { color: var(--lime); font-size: clamp(1.1rem, 2vw, 1.7rem); }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 2rem; padding: 2rem var(--pad); border-top: 1px solid var(--line); color: var(--paper-dim); font-size: .75rem; }
.site-footer p { margin: 0; }
.site-footer > p:nth-child(2) { font-size: clamp(1rem, 1.3vw, 1.2rem); color: var(--paper); }

.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1080px) {
  .menu-toggle { display: flex; align-items: center; gap: .75rem; padding: .5rem 0; }
  .menu-icon, .menu-icon::before { display: block; width: 1.2rem; height: 1px; background: var(--paper); transition: transform .2s ease; }
  .menu-icon::before { content: ""; transform: translateY(-.35rem); }
  .menu-toggle[aria-expanded="true"] .menu-icon { transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-icon::before { transform: rotate(90deg); }
  .site-nav { position: absolute; top: 5.5rem; left: 0; right: 0; display: none; align-items: stretch; padding: 1rem var(--pad) 1.5rem; background: rgba(10,11,9,.98); border-bottom: 1px solid var(--line); }
  .site-nav.open { display: flex; flex-direction: column; gap: 0; }
  .site-nav a { padding: .85rem 0; border-bottom: 1px solid var(--line); }
  .nav-cta { border: 0; }
}

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; align-content: center; padding-top: 8rem; }
  .hero-intro { margin-left: 0; }
  .hero-visual { margin: 2rem 0 1rem 12%; }
  .semantic-network { height: 28rem; min-height: 0; }
  .thesis-grid, .expertise-intro, .approach-layout { grid-template-columns: 1fr; }
  .thesis-grid { gap: 3rem; }
  .body-large { max-width: 38rem; margin-left: auto; }
  .capability { grid-template-columns: .2fr .8fr 1fr; }
  .capability-tags { grid-column: 2 / -1; }
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .principles-grid { grid-template-columns: repeat(2, 1fr); }
  .careers-card { grid-template-columns: 1fr; }
  .careers-aside { border-left: 0; border-top: 1px solid rgba(10,11,9,.2); }
}

@media (min-width: 961px) {
  .hero-copy { position: relative; z-index: 2; min-width: 0; }
  .hero h1 span { white-space: nowrap; }
  .hero-intro { box-sizing: border-box; padding-right: 1rem; }
  .hero-visual { z-index: 1; }
  .contact h2 span { white-space: nowrap; }
}

@media (max-width: 720px) {
  .site-header { height: 4.5rem; }
  .menu-toggle { display: flex; align-items: center; gap: .75rem; padding: .5rem 0; }
  .menu-icon, .menu-icon::before { display: block; width: 1.2rem; height: 1px; background: var(--paper); transition: transform .2s ease; }
  .menu-icon::before { content: ""; transform: translateY(-.35rem); }
  .menu-toggle[aria-expanded="true"] .menu-icon { transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-icon::before { transform: rotate(90deg); }
  .site-nav { position: absolute; top: 4.5rem; left: 0; right: 0; display: none; align-items: stretch; padding: 1rem var(--pad) 1.5rem; background: rgba(10,11,9,.98); border-bottom: 1px solid var(--line); }
  .site-nav.open { display: flex; flex-direction: column; gap: 0; }
  .site-nav a { padding: .85rem 0; border-bottom: 1px solid var(--line); }
  .nav-cta { border: 0; }
  .hero { min-height: auto; padding-top: 7.5rem; }
  .hero h1 { font-size: clamp(3rem, 15vw, 5rem); }
  .hero-intro { width: 100%; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1.1rem; }
  .hero-visual { margin: 2rem -1.25rem 0 2rem; }
  .semantic-network { height: 24rem; }
  .hero-visual figcaption { right: .6rem; bottom: .6rem; left: .6rem; font-size: .52rem; }
  .hero-flow { gap: .4rem; }
  .display { font-size: clamp(2.5rem, 12vw, 4rem); }
  .capability { grid-template-columns: 2.5rem 1fr; gap: 1rem; }
  .capability-copy, .capability-tags { grid-column: 2; }
  .statement { min-height: 38rem; }
  .statement blockquote { font-size: clamp(3rem, 13vw, 5rem); }
  .statement-copy { width: 100%; }
  .problem-grid { grid-template-columns: 1fr; }
  .problem { min-height: 14rem; }
  .principles-grid { grid-template-columns: 1fr; }
  .careers { padding-left: 0; padding-right: 0; }
  .careers > .section-label { margin-left: var(--pad); margin-right: var(--pad); }
  .contact-row { flex-direction: column; gap: 1.5rem; }
  .site-footer { align-items: flex-start; flex-direction: column; }
  .site-footer > p:nth-child(2) { order: -1; }
}

@media (max-width: 420px) {
  .approach-heading h2 { font-size: clamp(2.15rem, 11vw, 2.65rem); }
}

/* A single canvas with three interactive narrative phases. */
.hero .hero-visual { border: 0; background: transparent; }
.hero .semantic-network { background: transparent; }
.sphere-pause { position: absolute; bottom: 1rem; right: 1rem; z-index: 2; font-family: var(--mono); font-size: .65rem; color: var(--paper-dim); }
.sphere-pause:focus-visible { outline: 2px solid var(--lime); outline-offset: 4px; }
.sphere-pause[hidden] { display: none; }
.hero .hero-visual { container-type: inline-size; }
.hero-visual::after { display: none; }
.hero .semantic-network { height: 430px; min-height: 0; }
.hero-visual .hero-flow { position: relative; inset: auto; border: 0; border-top: 1px solid var(--line); background: var(--ink); }
.hero-flow .process-description { border-bottom: 0; font-size: .68rem; }
.process-description > div { display: flex; gap: 1rem; flex-shrink: 0; }
.process-replay { color: var(--paper-dim); background: none; border: 0; font: inherit; cursor: pointer; text-decoration: underline; text-underline-offset: .25em; }
.hero-phases { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-bottom: 1px solid var(--line); }
.hero-phases button { position: relative; padding: .8rem; background: none; border: 0; color: var(--paper-dim); font: inherit; font-size: .7rem; text-align: left; cursor: pointer; }
.hero-phases button::after { content: ''; position: absolute; left: 0; bottom: 0; height: 2px; width: var(--progress,0%); background: var(--lime); }
.hero-phases button[aria-pressed="true"] { color: var(--lime); background: rgba(217,255,67,.05); }
.hero-phases button:focus-visible { outline: 2px solid var(--lime); outline-offset: -3px; }
.hero-phases b { font-family: var(--mono); font-size: .65rem; font-weight: 400; margin-right: .7rem; }
@container (max-width: 649px) {
  .hero .semantic-network { height: 360px; }
  .hero-phases button { font-size: .75rem; padding: .9rem .6rem; }
  .hero-phases b { display: block; margin: 0 0 .4rem; }
  .hero-flow .process-description { align-items: flex-start; }
}
