:root {
  --ink: #0a0d15;
  --ink-soft: #111827;
  --paper: #f5f6f8;
  --white: #ffffff;
  --blue: #2257ff;
  --cyan: #52c7ff;
  --muted: #8b93a7;
  --line: rgba(255, 255, 255, 0.14);
  --max: 1240px;
  --pad: clamp(1.25rem, 4vw, 4rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; color: var(--white); background: var(--ink); font-family: Inter, "Helvetica Neue", Arial, sans-serif; overflow-x: hidden; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; top: .75rem; left: .75rem; z-index: 1000; transform: translateY(-180%); padding: .75rem 1rem; color: var(--ink); background: var(--white); border-radius: .4rem; }
.skip-link:focus { transform: translateY(0); }
.section-shell { width: min(100%, calc(var(--max) + (2 * var(--pad)))); margin-inline: auto; padding-inline: var(--pad); }

.site-header { position: absolute; top: 0; left: 0; z-index: 30; width: 100%; min-height: 6.3rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.5rem var(--pad); }
.brand { display: block; width: clamp(12rem, 17vw, 16rem); line-height: 0; }
.brand img { width: 100%; height: auto; display: block; }
.desktop-nav { display: flex; align-items: center; gap: clamp(1.4rem, 3vw, 3.3rem); font-size: .75rem; letter-spacing: .11em; text-transform: uppercase; }
.desktop-nav a, .mobile-menu a { text-decoration: none; position: relative; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; bottom: -.55rem; width: 100%; height: 1px; background: var(--blue); transform: scaleX(0); transform-origin: right; transition: transform .3s ease; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.menu-button, .mobile-menu { display: none; }

.hero { min-height: max(760px, 100svh); position: relative; isolation: isolate; display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(18rem, .88fr); align-items: center; gap: 2rem; padding: 8.5rem var(--pad) 5rem; overflow: hidden; }
.hero::after { content: ""; position: absolute; z-index: -2; inset: auto 0 0; height: 35%; background: linear-gradient(to top, rgba(34,87,255,.08), transparent); }
.hero-grid { position: absolute; z-index: -3; inset: 0; opacity: .2; background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to right, black, transparent 75%); }
.ambient { position: absolute; z-index: -1; width: 34rem; aspect-ratio: 1; border-radius: 50%; filter: blur(100px); opacity: .24; animation: drift 14s ease-in-out infinite alternate; }
.ambient-one { top: -12rem; right: 4%; background: var(--blue); }
.ambient-two { left: 20%; bottom: -26rem; background: #414cff; animation-delay: -6s; }
.hero-content { width: min(100%, 780px); align-self: center; }
.eyebrow, .section-index { margin: 0 0 1.4rem; color: #b7bfd3; font-size: .7rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; }
h1, h2, h3, p { text-wrap: pretty; }
h1 { margin: 0; max-width: 900px; font-size: clamp(3.7rem, 7.4vw, 8.6rem); font-weight: 520; line-height: .89; letter-spacing: -.065em; }
h1 span, h2 span { color: var(--blue); }
.hero-copy { max-width: 42rem; margin: 2rem 0 2.3rem; color: #b8c0d1; font-size: clamp(1rem, 1.3vw, 1.25rem); line-height: 1.65; }
.text-link { display: inline-flex; align-items: center; gap: 1rem; font-size: .78rem; letter-spacing: .12em; text-decoration: none; text-transform: uppercase; }
.text-link span { color: var(--blue); font-size: 1.3rem; transition: transform .25s ease; }
.text-link:hover span { transform: translate(.3rem, .3rem); }
.system-orbit { position: relative; justify-self: center; width: min(38vw, 34rem); aspect-ratio: 1; transition: transform .25s ease-out; }
.orbit { position: absolute; inset: 10%; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; animation: spin 22s linear infinite; }
.orbit::before { content: ""; position: absolute; top: 12%; left: 3%; width: .55rem; aspect-ratio: 1; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 1.7rem var(--cyan); }
.orbit-b { inset: 25%; border-color: rgba(34,87,255,.5); animation-direction: reverse; animation-duration: 13s; }
.orbit-b::before { top: auto; bottom: 0; left: 50%; background: var(--blue); box-shadow: 0 0 1.8rem var(--blue); }
.core-mark { position: absolute; inset: 36%; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.22); border-radius: 1.1rem; color: var(--blue); background: rgba(10,13,21,.55); box-shadow: 0 0 4rem rgba(34,87,255,.2); font-size: clamp(4rem, 8vw, 8rem); font-weight: 650; line-height: 1; }
.electron-path { position: absolute; inset: 7%; border-radius: 50%; animation: electronOrbit 8s linear infinite; }
.electron-path .node { position: absolute; top: 8%; left: 20%; width: .62rem; aspect-ratio: 1; border-radius: 50%; background: white; box-shadow: 0 0 .7rem white, 0 0 1.8rem rgba(82,199,255,.8); animation: electronFlicker 2.4s ease-in-out infinite; }
.electron-path-b { inset: 17%; transform: rotate(118deg); animation-duration: 6.4s; animation-direction: reverse; }
.electron-path-b .node { top: 15%; left: 77%; background: var(--cyan); box-shadow: 0 0 .8rem var(--cyan), 0 0 2rem rgba(82,199,255,.7); animation-delay: -.8s; }
.electron-path-c { inset: 2%; transform: rotate(236deg); animation-duration: 10.5s; }
.electron-path-c .node { top: 69%; left: 91%; background: var(--blue); box-shadow: 0 0 .8rem var(--blue), 0 0 2rem rgba(34,87,255,.9); animation-delay: -1.4s; }

.intro { display: grid; grid-template-columns: minmax(9rem, .32fr) minmax(0, 1fr); gap: 4rem; padding-top: clamp(7rem, 12vw, 12rem); padding-bottom: clamp(7rem, 12vw, 12rem); }
.display-copy { max-width: 56rem; margin: 0; font-size: clamp(2rem, 4.4vw, 4.7rem); line-height: 1.08; letter-spacing: -.045em; }
.muted-copy { max-width: 37rem; margin: 2.5rem 0 0 auto; color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.25rem); line-height: 1.7; }
.intro-copy { position: relative; }
.intro-copy::before { content: ""; position: absolute; top: -10%; right: -8%; width: 16rem; aspect-ratio: 1; border: 1px solid rgba(34,87,255,.22); border-radius: 50%; box-shadow: 0 0 0 3rem rgba(34,87,255,.025), 0 0 0 6rem rgba(34,87,255,.018); pointer-events: none; }
.decision-signal { position: relative; width: min(100%, 39rem); display: grid; grid-template-columns: auto minmax(2rem,1fr) auto minmax(2rem,1fr) auto; gap: .8rem; align-items: center; margin: 4.5rem 0 0 auto; color: #6f7890; font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; }
.signal-line { position: relative; height: 1px; overflow: visible; background: rgba(255,255,255,.16); }
.signal-line i { position: absolute; top: 50%; left: 0; width: .35rem; aspect-ratio: 1; border-radius: 50%; background: var(--blue); box-shadow: 0 0 1rem var(--blue); transform: translateY(-50%); animation: signalTravel 3.2s ease-in-out infinite; }
.signal-line:nth-of-type(2) i { animation-delay: -1.6s; }

.design-section { padding: 8rem 0 4rem; background: var(--paper); color: var(--ink); }
.section-heading { display: grid; grid-template-columns: minmax(9rem, .32fr) minmax(0, 1fr); gap: 4rem; align-items: start; }
.design-section .section-index, .process-section .section-index { color: #596175; }
.section-heading h2 { margin: 0; font-size: clamp(3rem, 6vw, 6.9rem); font-weight: 520; line-height: .95; letter-spacing: -.06em; }
.capability-list { margin-top: 6rem; }
.capability { display: grid; grid-template-columns: minmax(4rem, .13fr) minmax(0, 1fr) auto; gap: 2rem; align-items: start; padding: 2.6rem 0; border-top: 1px solid rgba(10,13,21,.18); transition: padding .35s ease, background .35s ease; }
.capability:last-child { border-bottom: 1px solid rgba(10,13,21,.18); }
.capability-number { margin: .45rem 0 0; color: #687084; font-size: .72rem; letter-spacing: .14em; }
.capability h3 { margin: 0 0 .75rem; font-size: clamp(1.7rem, 3vw, 3.3rem); font-weight: 520; letter-spacing: -.04em; }
.capability div p { max-width: 43rem; margin: 0; color: #5b6270; line-height: 1.65; }
.expand-toggle { position: relative; width: 3rem; height: 3rem; flex: none; border: 1px solid rgba(34,87,255,.42); border-radius: 50%; background: transparent; cursor: pointer; transition: color .3s ease, background .3s ease, transform .3s ease; }
.expand-toggle span::before, .expand-toggle span::after { content: ""; position: absolute; top: 50%; left: 50%; width: .9rem; height: 1px; background: var(--blue); transform: translate(-50%,-50%); transition: transform .3s ease, background .3s ease; }
.expand-toggle span::after { transform: translate(-50%,-50%) rotate(90deg); }
.expand-toggle:hover, .expand-toggle:focus-visible { color: white; background: var(--blue); transform: scale(1.06); }
.expand-toggle:hover span::before, .expand-toggle:hover span::after, .expand-toggle:focus-visible span::before, .expand-toggle:focus-visible span::after { background: white; }
.expand-toggle[aria-expanded="true"] span::after { transform: translate(-50%,-50%) rotate(0); }
.expandable-detail { padding-top: 1.6rem; color: #50596b; animation: detailIn .35s ease both; }
.expandable-detail > p { max-width: 46rem; margin: 0; line-height: 1.7; }
.expandable-detail ul { display: flex; flex-wrap: wrap; gap: .65rem; margin: 1.25rem 0 0; padding: 0; list-style: none; }
.expandable-detail li { padding: .48rem .7rem; border: 1px solid rgba(34,87,255,.2); border-radius: 999px; color: #34405a; font-size: .72rem; letter-spacing: .04em; }

.system-section { position: relative; min-height: 48rem; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 4rem; padding: clamp(6rem, 10vw, 10rem) var(--pad); overflow: hidden; }
.system-canvas { position: relative; width: min(52vw, 45rem); aspect-ratio: 1.25; }
.system-line { position: absolute; height: 1px; background: linear-gradient(90deg, transparent, rgba(82,199,255,.85), transparent); transform-origin: left center; animation: lineGlow 3.2s ease-in-out infinite; }
.line-one { width: 70%; top: 28%; left: 13%; transform: rotate(16deg); }.line-two { width: 67%; top: 66%; left: 20%; transform: rotate(-28deg); animation-delay: -1s; }.line-three { width: 55%; top: 49%; left: 35%; transform: rotate(51deg); animation-delay: -2s; }
.system-point { position: absolute; width: 1rem; aspect-ratio: 1; border-radius: 50%; background: var(--blue); box-shadow: 0 0 2rem var(--blue); }
.system-point::before { content: ""; position: absolute; inset: -1rem; border: 1px solid rgba(34,87,255,.42); border-radius: 50%; animation: ping 2.7s ease-out infinite; }
.system-point span { position: absolute; top: 1.8rem; left: 50%; color: #8992a8; font-size: .65rem; letter-spacing: .14em; text-transform: uppercase; transform: translateX(-50%); }
.point-one { top: 20%; left: 12%; }.point-two { top: 36%; right: 17%; }.point-three { left: 25%; bottom: 16%; }.point-four { right: 12%; bottom: 22%; }
.system-statement { max-width: 34rem; }
.system-statement h2 { margin: 0; font-size: clamp(3rem, 5.5vw, 6.2rem); font-weight: 520; line-height: .98; letter-spacing: -.055em; }
.system-statement > p:last-child { color: #949cb0; font-size: 1.05rem; line-height: 1.7; }

.process-section { padding-top: clamp(7rem, 11vw, 11rem); padding-bottom: clamp(7rem, 11vw, 11rem); }
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 5rem; background: var(--line); border: 1px solid var(--line); }
.process-grid article { position: relative; min-height: 22rem; padding: 2.2rem 2.2rem 5.8rem; background: var(--ink); transition: background .3s ease, transform .3s ease; }
.process-grid article:hover { background: #10182b; transform: translateY(-.35rem); }
.process-grid article > p:first-child { color: var(--blue); font-size: .7rem; letter-spacing: .16em; }
.process-grid h3 { margin: 5rem 0 1rem; font-size: clamp(2rem, 3.5vw, 3.6rem); font-weight: 500; letter-spacing: -.045em; }
.process-grid article > h3 + p { color: #929caf; line-height: 1.65; }
.process-grid .expand-toggle { position: absolute; right: 2rem; bottom: 2rem; }
.process-detail { color: #a7b1c5; }
.process-detail > p { color: #a7b1c5; font-size: .92rem; }

.contact-section { position: relative; isolation: isolate; overflow: hidden; background: var(--blue); }
.contact-content { min-height: 44rem; display: flex; flex-direction: column; justify-content: center; padding-top: 6rem; padding-bottom: 6rem; }
.contact-content .eyebrow { color: rgba(255,255,255,.72); }
.contact-content h2 { margin: 0; font-size: clamp(3.4rem, 7vw, 8rem); font-weight: 520; line-height: .92; letter-spacing: -.06em; }
.contact-link { width: fit-content; display: flex; align-items: center; gap: 1rem; margin-top: 3rem; padding-bottom: .45rem; border-bottom: 1px solid rgba(255,255,255,.65); font-size: clamp(1rem, 1.6vw, 1.4rem); text-decoration: none; }
.contact-link span { transition: transform .25s ease; }.contact-link:hover span { transform: translate(.3rem, -.3rem); }
.contact-glow { position: absolute; z-index: -1; right: -15%; bottom: -60%; width: 65rem; aspect-ratio: 1; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); box-shadow: 0 0 0 6rem rgba(255,255,255,.035), 0 0 0 12rem rgba(255,255,255,.025); animation: breathe 6s ease-in-out infinite; }

.site-footer { background: #070a11; }
.footer-brand { padding-top: 4.5rem; }
.footer-brand a { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid var(--line); text-decoration: none; }
.footer-brand img { width: clamp(12rem, 20vw, 18rem); height: auto; }
.footer-brand span { color: #8992a7; font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; }
.footer-brand i { margin-left: .6rem; color: var(--blue); font-size: 1rem; font-style: normal; transition: transform .25s ease; }
.footer-brand a:hover i { transform: translateY(-.3rem); }
.footer-statement { display: grid; grid-template-columns: 1fr auto 1fr; gap: 2rem; align-items: center; padding-top: clamp(5rem, 9vw, 9rem); padding-bottom: clamp(5rem, 9vw, 9rem); border-bottom: 1px solid var(--line); }
.footer-statement p { margin: 0; font-size: clamp(2.3rem, 5vw, 5.9rem); line-height: .95; letter-spacing: -.055em; }
.footer-statement p:last-child { text-align: right; color: var(--blue); }
.footer-statement span { color: #657087; font-size: 2rem; }
.footer-meta { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; align-items: end; padding-top: 3rem; padding-bottom: 3rem; color: #8992a7; font-size: .77rem; line-height: 1.6; }
.footer-meta p, .footer-meta address { margin: 0; font-style: normal; }
.footer-meta div > p { margin-bottom: .75rem; color: var(--white); font-weight: 600; letter-spacing: .06em; }
.footer-meta a { justify-self: center; text-decoration-color: #4c566b; text-underline-offset: .35rem; }
.footer-meta > p { justify-self: end; text-align: right; }
.copyright span:last-child { white-space: nowrap; }

[data-reveal] { opacity: 0; transform: translateY(2rem); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 50% { opacity: .25; transform: scale(.6); } }
@keyframes electronOrbit { to { transform: rotate(360deg); } }
@keyframes electronFlicker { 50% { opacity: .55; transform: scale(.68); } }
@keyframes signalTravel { 0% { left: 0; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { left: 100%; opacity: 0; } }
@keyframes detailIn { from { opacity: 0; transform: translateY(-.5rem); } }
@keyframes drift { to { transform: translate(5rem, 3rem) scale(1.18); } }
@keyframes ping { 0% { opacity: .8; transform: scale(.4); } 80%,100% { opacity: 0; transform: scale(1.55); } }
@keyframes lineGlow { 50% { opacity: .3; filter: blur(1px); } }
@keyframes breathe { 50% { transform: scale(1.05); opacity: .7; } }

@media (max-width: 860px) {
  .site-header { position: absolute; min-height: 5.4rem; padding-top: 1.15rem; padding-bottom: 1.15rem; }
  .brand { width: 10.75rem; }
  .desktop-nav { display: none; }
  .menu-button { position: relative; z-index: 32; width: 3rem; height: 3rem; display: grid; place-content: center; gap: .32rem; padding: 0; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; color: white; background: #111725; cursor: pointer; }
  .menu-button span { width: 1.15rem; height: 1px; display: block; background: currentColor; transition: transform .25s ease, opacity .2s ease; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(.38rem) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-.38rem) rotate(-45deg); }
  .mobile-menu { position: absolute; z-index: 31; top: 4.8rem; right: var(--pad); width: min(19rem, calc(100vw - (2 * var(--pad)))); display: grid; gap: 0; padding: .65rem; border: 1px solid #2d3548; border-radius: .8rem; background: #101521; box-shadow: 0 1.3rem 4rem rgba(0,0,0,.5); }
  .mobile-menu[hidden] { display: none; }
  .mobile-menu a { padding: 1rem .9rem; border-bottom: 1px solid rgba(255,255,255,.11); font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; }
  .mobile-menu a:last-child { border-bottom: 0; color: #8dabff; }
  .hero { min-height: 760px; grid-template-columns: 1fr; align-content: center; padding-top: 7rem; padding-bottom: 4rem; }
  .hero-content { position: relative; z-index: 2; }
  h1 { font-size: clamp(3.4rem, 15vw, 6rem); }
  .hero-copy { margin-bottom: 1.7rem; font-size: .98rem; }
  .system-orbit { position: absolute; z-index: -1; right: -9rem; bottom: -7rem; width: 26rem; opacity: .52; }
  .intro, .section-heading { grid-template-columns: 1fr; gap: 1.8rem; }
  .intro-copy::before { right: -5rem; opacity: .7; }
  .decision-signal { margin-left: 0; }
  .muted-copy { margin-left: 0; }
  .design-section { padding-top: 6rem; }
  .capability-list { margin-top: 3.5rem; }
  .capability { grid-template-columns: 2.4rem minmax(0,1fr); gap: 1rem; }
  .capability .expand-toggle { grid-column: 2; justify-self: start; width: 2.7rem; height: 2.7rem; }
  .system-section { min-height: auto; grid-template-columns: 1fr; padding-top: 7rem; padding-bottom: 7rem; }
  .system-canvas { width: 100%; order: 2; }
  .process-grid { grid-template-columns: 1fr; }
  .process-grid article { min-height: 17rem; }
  .process-grid h3 { margin-top: 3rem; }
  .contact-content { min-height: 36rem; }
  .contact-content h2 { font-size: clamp(3.3rem, 14vw, 5.6rem); }
  .footer-statement { grid-template-columns: 1fr; gap: 1rem; }
  .footer-statement p:last-child { text-align: left; }
  .footer-statement span { transform: rotate(45deg); transform-origin: left; }
  .footer-meta { grid-template-columns: 1fr; align-items: start; }
  .footer-meta a, .footer-meta > p { justify-self: start; text-align: left; }
  .footer-brand a { align-items: flex-end; }
  .copyright { display: flex; flex-wrap: wrap; column-gap: .35rem; }
}

@media (max-width: 480px) {
  :root { --pad: 1.1rem; }
  .brand { width: 9.5rem; }
  .hero { min-height: 720px; }
  .hero-copy { line-height: 1.55; }
  .display-copy { font-size: 2.2rem; }
  .capability { padding: 2rem 0; }
  .contact-link { max-width: 100%; font-size: .95rem; overflow-wrap: anywhere; }
  .decision-signal { grid-template-columns: auto 1fr auto; row-gap: .9rem; }
  .decision-signal .signal-line:last-of-type, .decision-signal .signal-label:last-child { display: 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; }
  [data-reveal] { opacity: 1; transform: none; }
}
