.hero-home { position: relative; display: flex; min-height: 100svh; align-items: center; overflow: hidden; padding: calc(var(--nav-height) + 4rem) 0 5rem; isolation: isolate; }
.hero-home::before { content: ""; position: absolute; z-index: -3; inset: 0; background: radial-gradient(circle at 50% 45%, var(--hero-center) 0%, var(--page-bg) 56%); }
.hero-topology { position: absolute; z-index: -2; inset: 0; opacity: .12; background-image: radial-gradient(circle, color-mix(in srgb, var(--text-primary) 62%, transparent) 1px, transparent 1.8px), linear-gradient(color-mix(in srgb, var(--brand-blue) 20%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--brand-blue) 20%, transparent) 1px, transparent 1px); background-size: 90px 90px, 90px 90px, 90px 90px; mask-image: radial-gradient(circle 260px at var(--mouse-x, 68%) var(--mouse-y, 42%), #000 0%, transparent 80%); -webkit-mask-image: radial-gradient(circle 260px at var(--mouse-x, 68%) var(--mouse-y, 42%), #000 0%, transparent 80%); }
.hero-glow { position: absolute; z-index: -1; width: 650px; height: 650px; left: var(--mouse-x, 68%); top: var(--mouse-y, 42%); transform: translate(-50%, -50%); opacity: .2; background: radial-gradient(circle, rgba(41,211,255,.15), rgba(83,109,255,.05) 32%, transparent 70%); pointer-events: none; }
html[data-theme="light"] .hero-glow { opacity: .11; }
.hero-content { min-width: 0; max-width: 1050px; }
.hero-home h1 { margin-bottom: 2rem; }
.hero-home .lead { margin-bottom: 2.2rem; }
.hero-meta { position: absolute; right: 2.5rem; bottom: 2rem; display: flex; gap: 2rem; color: var(--text-muted); font-family: ui-monospace, monospace; font-size: .65rem; letter-spacing: .08em; }
.hero-brand-mark { position: absolute; right: 7%; top: 22%; z-index: -1; width: min(28vw, 410px); opacity: .14; }
html[data-theme="light"] .hero-brand-mark { opacity: .08; }

.thesis-flow { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 5rem; border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); }
.thesis-step { position: relative; padding: 2rem 1rem; color: var(--text-muted); font-size: .72rem; font-weight: 700; letter-spacing: .17em; transition: color .5s ease, background .5s ease; }
.thesis-step:not(:last-child) { border-right: 1px solid var(--border-subtle); }
.thesis-step::after { content: ""; position: absolute; bottom: -1px; left: 0; width: 0; height: 1px; background: var(--erebrix-spectrum); transition: width .7s ease; }
.thesis-step.is-active { color: var(--text-primary); background: var(--surface-soft); }
.thesis-step.is-active::after { width: 100%; }

.intelligence-model { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 5rem; }
.model-step { position: relative; min-height: 280px; padding: 2rem; border: 1px solid var(--border-subtle); transition: background .4s ease, border-color .4s ease; }
.model-step + .model-step { border-left: 0; }
.model-step::before { content: ""; display: block; width: 34px; height: 2px; margin-bottom: 4.5rem; background: var(--erebrix-spectrum); }
.model-step h3 { margin-bottom: 1.1rem; font-size: clamp(1.5rem, 2vw, 2.1rem); letter-spacing: .02em; }
.model-step:hover { z-index: 2; border-color: rgba(41,211,255,.4); background: color-mix(in srgb, var(--brand-cyan) 4%, var(--surface-1)); }

.portfolio-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 5rem; background: var(--border-subtle); border: 1px solid var(--border-subtle); }
.portfolio-card { position: relative; min-height: 340px; padding: 2.5rem; overflow: hidden; background: var(--page-bg); transition: background .3s ease; }
.portfolio-card::after { content: ""; position: absolute; inset: 0; opacity: 0; background: radial-gradient(circle at var(--panel-x, 70%) var(--panel-y, 50%), rgba(41,211,255,.09), transparent 36%); transition: opacity .35s ease; pointer-events: none; }
.portfolio-card:hover { background: var(--surface-1); }
.portfolio-card:hover::after { opacity: 1; }
.portfolio-card .category-icon { display: grid; width: 46px; height: 46px; place-items: center; margin-bottom: 4.5rem; border: 1px solid var(--border-subtle); color: color-mix(in srgb, var(--brand-cyan) 75%, var(--text-primary)); font-size: 1.2rem; }
.portfolio-card h3 { max-width: 520px; margin-bottom: 1.1rem; }
.portfolio-card p { max-width: 540px; }
.portfolio-card .link-arrow { margin-top: 2rem; }

.service-architecture { margin-top: 4rem; border-top: 1px solid var(--border-subtle); }
.service-row { display: grid; grid-template-columns: 52px 1fr 1fr 30px; gap: 2rem; align-items: center; padding: 1.8rem 1rem; border-bottom: 1px solid var(--border-subtle); transition: background .25s ease, padding-left .25s ease; }
.service-row:hover { padding-left: 1.5rem; background: var(--surface-soft); }
.service-row .service-icon { color: color-mix(in srgb, var(--brand-cyan) 75%, var(--text-primary)); font-size: 1.15rem; }
.service-row h3 { font-size: clamp(1.3rem, 2vw, 2rem); }
.service-row > i:last-child { color: var(--text-muted); }

.education-feature { display: grid; grid-template-columns: .8fr 1.2fr; gap: 1px; margin-top: 4rem; background: var(--border-subtle); border: 1px solid var(--border-subtle); }
.education-intro, .education-offerings { padding: clamp(2rem, 5vw, 4rem); background: var(--surface-1); }
.education-offering { display: block; padding: 2rem 0; border-top: 1px solid var(--border-subtle); }
.education-offering:last-child { border-bottom: 1px solid var(--border-subtle); }
.education-offering h3 { margin-bottom: .8rem; }

.labs-section { overflow: hidden; background: var(--surface-1); }
.labs-section::before { content: ""; position: absolute; inset: 0; opacity: .12; background-image: linear-gradient(120deg, transparent 46%, rgba(41,211,255,.17) 46.1%, transparent 46.3%), linear-gradient(45deg, transparent 65%, rgba(132,104,255,.14) 65.1%, transparent 65.3%); }
.research-categories { display: flex; flex-wrap: wrap; gap: .7rem; margin: 3rem 0; }
.research-categories span, .tag { padding: .48rem .75rem; border: 1px solid var(--border-subtle); border-radius: 999px; color: var(--text-secondary); font-size: .72rem; letter-spacing: .04em; }

.principles-system { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 4rem; }
.principle { position: relative; min-height: 220px; padding: 2rem 1.4rem; border: 1px solid var(--border-subtle); }
.principle:not(:first-child) { border-left: 0; }
.principle::before { content: ""; display: block; width: 18px; height: 1px; margin-bottom: 3.5rem; background: var(--brand-cyan); }
.principle::after { content: ""; position: absolute; top: 50%; right: -9px; z-index: 3; width: 17px; height: 1px; background: var(--brand-cyan); }
.principle:last-child::after { display: none; }
.principle h3 { margin-bottom: 1rem; font-size: 1.35rem; }

.cinematic-cta { min-height: 620px; display: flex; align-items: center; overflow: hidden; text-align: center; }
.cinematic-cta::before { content: ""; position: absolute; inset: 10% 0 -20%; opacity: .45; background: radial-gradient(circle at center, rgba(41,211,255,.12) 0, rgba(83,109,255,.06) 24%, transparent 54%); animation: breathe 8s ease-in-out infinite; }
.cinematic-cta .container-erebrix { position: relative; }
.cinematic-cta .lead { margin: 1.5rem auto 2.4rem; }
.cinematic-cta .button-group { justify-content: center; }

.content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 4rem; }
.content-card { position: relative; min-height: 300px; padding: 2rem; overflow: hidden; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); background: var(--surface-1); transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease; }
.content-card::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; background: var(--erebrix-spectrum); transform: scaleX(0); transform-origin: left; transition: transform .4s ease; }
.content-card:hover { transform: translateY(-4px); border-color: rgba(41,211,255,.28); box-shadow: var(--shadow); }
.content-card:hover::after { transform: scaleX(1); }
.content-card h3 { margin: 1.5rem 0 1rem; }
.card-meta { display: flex; justify-content: space-between; gap: 1rem; color: color-mix(in srgb, var(--brand-cyan) 72%, var(--text-primary)); font-family: ui-monospace, monospace; font-size: .7rem; letter-spacing: .08em; }
.card-footer-link { position: absolute; bottom: 1.8rem; left: 2rem; }

.editorial-list { margin-top: 4rem; }
.editorial-item { display: grid; grid-template-columns: 1fr 1.3fr; gap: 4rem; padding: 5rem 0; border-top: 1px solid var(--border-subtle); }
.editorial-item:last-child { border-bottom: 1px solid var(--border-subtle); }
.editorial-kicker { display: flex; align-items: center; gap: .7rem; margin-bottom: 1rem; color: color-mix(in srgb, var(--brand-cyan) 75%, var(--text-primary)); font-family: ui-monospace, monospace; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.editorial-kicker::before { content: ""; width: 24px; height: 1px; background: currentColor; }
.editorial-item p + p { margin-top: 1rem; }
.detail-label { margin-bottom: .45rem; color: var(--text-primary); font-size: .68rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.detail-block + .detail-block { margin-top: 1.6rem; }

.capability-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 2.5rem; margin: 2rem 0 0; padding: 0; list-style: none; }
.capability-list li { position: relative; padding: .85rem 0 .85rem 1.4rem; border-bottom: 1px solid var(--border-subtle); color: var(--text-secondary); }
.capability-list li::before { content: ""; position: absolute; top: 1.55rem; left: 0; width: 7px; height: 1px; background: var(--brand-cyan); }
.process-flow { display: flex; flex-wrap: wrap; align-items: center; margin-top: 3rem; border: 1px solid var(--border-subtle); }
.process-flow span { flex: 1 1 130px; position: relative; padding: 1.4rem; color: var(--text-primary); font-size: .78rem; font-weight: 700; letter-spacing: .09em; text-align: center; }
.process-flow span:not(:last-child) { border-right: 1px solid var(--border-subtle); }
.process-flow span:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; top: 50%; right: -9px; transform: translateY(-50%); padding: 0 4px; background: var(--page-bg); color: var(--brand-cyan); }

.filter-bar { display: flex; flex-wrap: wrap; gap: .55rem; margin: 3rem 0 2rem; }
.filter-button { padding: .55rem .85rem; border: 1px solid var(--border-subtle); background: transparent; color: var(--text-secondary); border-radius: 999px; font-size: .78rem; transition: all .2s ease; }
.filter-button:hover, .filter-button.active { border-color: var(--brand-cyan); background: rgba(41,211,255,.08); color: var(--text-primary); }
.search-field { position: relative; max-width: 430px; }
.search-field i { position: absolute; top: 50%; left: 1rem; transform: translateY(-50%); color: var(--text-muted); }
.search-field .form-control { padding-left: 2.8rem; }
.filter-item.hidden { display: none; }
.empty-state { display: none; padding: 3rem; border: 1px solid var(--border-subtle); color: var(--text-secondary); text-align: center; }
.empty-state.visible { display: block; }

.contact-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 7rem; align-items: start; }
.contact-panel { padding: 2.5rem; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); background: var(--surface-1); box-shadow: var(--shadow); }
.legal-content { max-width: 850px; }
.legal-content h2 { margin: 3.5rem 0 1rem; font-size: 2rem; }
.not-found { display: flex; min-height: 100svh; align-items: center; overflow: hidden; text-align: center; }
.not-found-code { position: absolute; inset: 50% auto auto 50%; z-index: -1; transform: translate(-50%, -50%); color: color-mix(in srgb, var(--text-primary) 3%, transparent); font-family: "Space Grotesk"; font-size: clamp(14rem, 40vw, 38rem); font-weight: 600; }
.reveal-signature { width: 72px; height: auto; margin-bottom: 2rem; }

@media (max-width: 991.98px) {
  .intelligence-model { grid-template-columns: repeat(2, 1fr); }
  .model-step + .model-step { border-left: 1px solid var(--border-subtle); }
  .model-step:nth-child(even) { border-left: 0; }
  .model-step:nth-child(n+3) { border-top: 0; }
  .content-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; gap: 4rem; }
  .education-feature { grid-template-columns: 1fr; }
}
@media (max-width: 767.98px) {
  .hero-home { min-height: 90svh; padding-top: calc(var(--nav-height) + 5rem); }
  .hero-brand-mark, .hero-meta { display: none; }
  .thesis-flow { grid-template-columns: 1fr 1fr; }
  .thesis-step:nth-child(2) { border-right: 0; }
  .thesis-step:nth-child(-n+2) { border-bottom: 1px solid var(--border-subtle); }
  .intelligence-model, .portfolio-grid { grid-template-columns: 1fr; }
  .model-step, .model-step:nth-child(even) { min-height: 240px; border-left: 1px solid var(--border-subtle); }
  .model-step + .model-step { border-top: 0; }
  .model-step::before { margin-bottom: 3rem; }
  .portfolio-card { min-height: 310px; padding: 2rem; }
  .portfolio-card .category-icon { margin-bottom: 3rem; }
  .service-row { grid-template-columns: 38px 1fr 20px; gap: 1rem; padding-inline: 0; }
  .service-row p { display: none; }
  .principles-system { grid-template-columns: 1fr 1fr; }
  .principle:nth-child(odd) { border-left: 1px solid var(--border-subtle); }
  .principle:nth-child(n+3) { border-top: 0; }
  .principle:nth-child(2)::after { display: none; }
  .content-grid, .capability-list { grid-template-columns: 1fr; }
  .editorial-item { grid-template-columns: 1fr; gap: 2rem; padding: 3.5rem 0; }
  .cinematic-cta { min-height: 540px; }
  .process-flow { display: grid; grid-template-columns: 1fr 1fr; }
  .process-flow span:not(:last-child) { border-right: 0; border-bottom: 1px solid var(--border-subtle); }
  .process-flow span:not(:last-child)::after { display: none; }
}
@media (max-width: 575.98px) {
  .contact-panel { padding: 1.35rem; }
  .content-card { min-height: 285px; padding: 1.5rem; }
  .card-footer-link { left: 1.5rem; }
  .principles-system { grid-template-columns: 1fr; }
  .principle, .principle:nth-child(even) { border-left: 1px solid var(--border-subtle); }
  .principle + .principle { border-top: 0; }
  .principle::after { display: none; }
}