:root {
  color-scheme: dark;
  --carbon: #101010;
  --paper: #f2f2ef;
  --muted: #9b9b98;
  --faint: #686866;
  --line: rgba(242, 242, 239, 0.18);
  --gutter: clamp(1.5rem, 4vw, 4.5rem);
  --header-h: 6.5rem;
  --footer-h: 3.5rem;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

@media (max-width: 720px) {
  :root { --gutter: 1.25rem; --header-h: 4.8rem; --footer-h: 2.8rem; }
}
* { box-sizing: border-box; }
html { background: var(--carbon); color: var(--paper); font-family: Inter, "Helvetica Neue", Arial, sans-serif; }
body { margin: 0; min-width: 320px; background: var(--carbon); }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .12; z-index: 10; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E"); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.skip-link { position: fixed; left: var(--gutter); top: -5rem; z-index: 100; padding: .75rem 1rem; background: var(--paper); color: var(--carbon); }
.skip-link:focus { top: .75rem; }
:focus-visible { outline: 2px solid var(--paper); outline-offset: 5px; }
.site { position: relative; background: radial-gradient(circle at 76% 68%, rgba(255,255,255,.035), transparent 29%), var(--carbon); }
.site--home { height: 100dvh; overflow: clip; display: grid; grid-template-rows: var(--header-h) minmax(0, 1fr) var(--footer-h); }
.site--inner { min-height: 100dvh; display: grid; grid-template-rows: var(--header-h) 1fr var(--footer-h); }
.site-header { height: var(--header-h); padding: 0 var(--gutter); display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 20; }
.logo { display: block; }
.logo img { height: 2.6rem; width: auto; display: block; }
.site-nav { display: flex; align-items: center; gap: clamp(1.6rem, 3vw, 3.8rem); color: var(--muted); font-size: .9rem; }
.site-nav a { position: relative; transition: color .25s ease; }
.site-nav a:hover, .site-nav a.active { color: var(--paper); }
.site-nav a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -.75rem; height: 1px; background: currentColor; }
.menu-button { display: none; }
.site-footer { min-height: var(--footer-h); padding: 0 var(--gutter); display: flex; align-items: center; gap: .45rem; color: var(--faint); font-size: .72rem; position: relative; z-index: 5; }
.site-footer a:hover { color: var(--paper); }
.home-page { min-height: 0; height: 100%; padding: clamp(1.2rem, 2.8vh, 2.5rem) var(--gutter) 0; position: relative; display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(16rem, .8fr); grid-template-rows: 1fr auto; }
.hero-title { margin: 0; z-index: 2; align-self: center; font-size: clamp(4.4rem, 8.7vw, 8.4rem); font-weight: 370; line-height: .91; letter-spacing: -.065em; }
.hero-title span { display: block; overflow: hidden; padding-right: .1em; animation: reveal-line 900ms var(--ease-out) both; }
.hero-title span:nth-child(2) { animation-delay: 100ms; }
.hero-title span:nth-child(3) { animation-delay: 200ms; }
.hero-foot { grid-row: 2; margin: 0 0 clamp(1rem, 3vh, 2.5rem); max-width: 24rem; animation: fade-in 1s 450ms both; }
.hero-definition { margin: 0; color: var(--muted); font-size: clamp(.95rem, 1.5vw, 1.35rem); line-height: 1.45; letter-spacing: -.02em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: clamp(1rem, 2.4vh, 1.6rem); }
.cta { display: inline-block; padding: .8rem 1.3rem; border: 1px solid var(--line); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; transition: border-color .25s ease, color .25s ease; }
.cta:hover { border-color: var(--paper); }
.cta--primary { background: var(--paper); color: var(--carbon); border-color: var(--paper); }
.cta--primary:hover { background: transparent; color: var(--paper); }
.signal-field-wrap { position: absolute; width: min(58vw, 760px); right: -1.5vw; bottom: 2vh; opacity: .72; filter: drop-shadow(0 0 20px rgba(255,255,255,.08)); animation: signal-drift 9s ease-in-out infinite alternate; }
.signal-field { display: block; width: 100%; }
.signal-bars { animation: signal-pulse 4.5s ease-in-out infinite alternate; transform-origin: bottom; }
.editorial-page { width: 100%; max-width: 1440px; margin: 0 auto; padding: clamp(4rem, 8vw, 8.5rem) var(--gutter) clamp(6rem, 11vw, 10rem); display: grid; grid-template-columns: minmax(17rem, .85fr) minmax(30rem, 1.15fr); gap: clamp(4rem, 10vw, 10rem); }
.service-page { width: 100%; max-width: 1440px; margin: 0 auto; padding: clamp(4rem, 7vw, 7rem) var(--gutter) clamp(6rem, 10vw, 9rem); }
.service-hero { display: grid; grid-template-columns: minmax(18rem, .8fr) minmax(30rem, 1.2fr); column-gap: clamp(4rem, 10vw, 10rem); align-items: end; padding-bottom: clamp(5rem, 9vw, 9rem); }
.service-hero .section-index { grid-column: 1 / -1; }
.service-hero h1 { margin: 0; font-size: clamp(3.3rem, 6.5vw, 6.5rem); font-weight: 380; line-height: .96; letter-spacing: -.055em; }
.service-hero .lead { margin: 0; }
.service-section { padding: clamp(4rem, 7vw, 7rem) 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: minmax(18rem, .8fr) minmax(30rem, 1.2fr); gap: clamp(4rem, 10vw, 10rem); }
.section-heading h2 { margin: 0; max-width: 28rem; font-size: clamp(2rem, 3.7vw, 3.7rem); line-height: 1.05; font-weight: 390; letter-spacing: -.045em; }
.service-rows { border-top: 1px solid var(--line); }
.service-row { padding: 1.55rem 0 1.8rem; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: minmax(10rem, .55fr) 1fr; gap: 2rem; }
.service-row h3, .workflow-list h3, .output-grid h3, .principle h3 { margin: 0; font-size: 1.05rem; font-weight: 520; letter-spacing: -.02em; }
.service-row p, .workflow-list p, .output-grid p { margin: 0; color: var(--muted); font-size: .95rem; line-height: 1.65; }
.workflow-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.workflow-list li { padding: 1.65rem 0 2rem; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; }
.workflow-list li > span { color: var(--faint); font-size: .72rem; letter-spacing: .14em; padding-top: .2rem; }
.workflow-list h3 { margin-bottom: .55rem; }
.output-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.output-grid article { padding: 1.6rem 1.5rem 2rem 0; border-bottom: 1px solid var(--line); }
.output-grid article:nth-child(even) { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.output-grid h3 { margin-bottom: .55rem; }
.method-section .principles { border-top: 1px solid var(--line); }
.editorial-intro { position: sticky; top: calc(var(--header-h) + 2rem); align-self: start; }
.section-index { margin: 0 0 1.8rem; color: var(--faint); font-size: .72rem; text-transform: uppercase; letter-spacing: .18em; }
.editorial-intro h1, .not-found h1 { margin: 0; font-size: clamp(3.3rem, 6.5vw, 6.5rem); font-weight: 380; line-height: .96; letter-spacing: -.055em; }
.lead { margin: 2.3rem 0 0; max-width: 30rem; color: var(--muted); font-size: clamp(1.1rem, 1.8vw, 1.55rem); line-height: 1.55; letter-spacing: -.025em; }
.principles { border-top: 1px solid var(--line); }
.principle { padding: 2rem 0 2.5rem; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 3.5rem 1fr; gap: 1rem; }
.principle > span { color: var(--faint); font-size: .76rem; letter-spacing: .16em; padding-top: .35rem; }
.principle h2, .legal-sections h2 { margin: 0 0 .8rem; font-size: clamp(1.5rem, 2.2vw, 2.15rem); font-weight: 420; letter-spacing: -.035em; }
.principle h3 { margin-bottom: .65rem; font-size: 1.25rem; }
.principle p, .legal-sections p { margin: 0; color: var(--muted); font-size: 1rem; line-height: 1.65; max-width: 38rem; }
.narrow-page, .legal-page { grid-template-columns: minmax(17rem, .75fr) minmax(32rem, 1.25fr); }
.faq-list, .legal-sections { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { min-height: 5.2rem; display: grid; grid-template-columns: 3rem 1fr 1rem; gap: 1rem; align-items: center; list-style: none; cursor: pointer; font-size: 1.05rem; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--faint); font-size: .72rem; letter-spacing: .15em; }
.faq-list summary i { width: .6rem; height: .6rem; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: rotate(45deg); transition: transform .25s ease; }
.faq-list details[open] summary i { transform: rotate(225deg); }
.faq-list details p { margin: -.35rem 4rem 2rem; max-width: 42rem; color: var(--muted); line-height: 1.7; }
.draft-note { margin: 2.3rem 0 0; padding-top: 1.25rem; max-width: 29rem; border-top: 1px solid var(--line); color: var(--muted); line-height: 1.55; }
.legal-sections section { padding: 2rem 0 2.5rem; border-bottom: 1px solid var(--line); }
.not-found { display: block; min-height: calc(100dvh - var(--header-h) - var(--footer-h)); }
.not-found h1 { max-width: 50rem; }
.text-link { display: inline-block; margin-top: 3rem; padding-bottom: .35rem; border-bottom: 1px solid currentColor; color: var(--muted); }
@keyframes reveal-line { from { opacity: 0; transform: translateY(90%); } to { opacity: 1; transform: translateY(0); } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes signal-drift { from { transform: translate3d(0, 3px, 0); opacity: .58; } to { transform: translate3d(-12px, -5px, 0); opacity: .82; } }
@keyframes signal-pulse { from { opacity: .3; } to { opacity: .72; } }
@media (max-width: 720px) {
  .logo img { height: 2.2rem; }
  .menu-button { display: flex; align-items: center; gap: .7rem; border: 0; padding: .5rem 0; background: transparent; color: var(--paper); font-size: .76rem; text-transform: uppercase; letter-spacing: .12em; }
  .menu-button i, .menu-button i::after { display: block; width: 1.05rem; height: 1px; background: currentColor; content: ""; transition: transform .25s ease; }
  .menu-button i::after { transform: translateY(5px); }
  .menu-button[aria-expanded="true"] i { transform: rotate(45deg); }
  .menu-button[aria-expanded="true"] i::after { transform: rotate(90deg); }
  .site-nav { position: fixed; inset: var(--header-h) 0 0; padding: 2rem var(--gutter) 5rem; background: rgba(16,16,16,.98); flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 0; font-size: clamp(2.4rem, 12vw, 4.2rem); opacity: 0; visibility: hidden; transform: translateY(-1rem); transition: .3s var(--ease-out); }
  .site-nav[data-open="true"] { opacity: 1; visibility: visible; transform: translateY(0); }
  .site-nav a { width: 100%; padding: .3em 0; border-bottom: 1px solid var(--line); }
  .site-nav a.active::after { display: none; }
  .home-page { padding-top: clamp(.6rem, 3vh, 1.4rem); display: block; }
  .hero-title { font-size: clamp(3.05rem, 15vw, 5.5rem); line-height: .95; letter-spacing: -.06em; position: relative; z-index: 2; }
  .hero-foot { position: absolute; left: var(--gutter); bottom: clamp(1rem, 7vh, 3.25rem); width: min(78vw, 21rem); margin: 0; z-index: 2; }
  .hero-definition { font-size: clamp(.8rem, 3.7vw, 1rem); }
  .cta { padding: .65rem 1rem; font-size: .68rem; }
  .signal-field-wrap { width: 120vw; right: -58vw; bottom: 0; opacity: .5; }
  .editorial-page, .narrow-page, .legal-page { padding-top: 3.5rem; grid-template-columns: 1fr; gap: 4rem; }
  .service-page { padding-top: 3.5rem; }
  .service-hero, .service-section { grid-template-columns: 1fr; gap: 3rem; }
  .service-hero { padding-bottom: 5rem; }
  .service-hero .section-index { grid-column: auto; }
  .service-hero .lead { margin-top: 1.8rem; }
  .service-row { grid-template-columns: 1fr; gap: .65rem; }
  .output-grid { grid-template-columns: 1fr; }
  .output-grid article, .output-grid article:nth-child(even) { padding-left: 0; border-left: 0; }
  .editorial-intro { position: static; }
  .editorial-intro h1, .not-found h1 { font-size: clamp(3.1rem, 15vw, 5rem); }
  .lead { font-size: 1.12rem; }
  .faq-list summary { grid-template-columns: 2.3rem 1fr 1rem; font-size: .94rem; }
  .faq-list details p { margin-left: 3.3rem; margin-right: 1rem; }
  .site-footer { font-size: .65rem; }
}
@media (max-height: 650px) {
  .hero-title { font-size: clamp(2.8rem, 11.5vh, 5rem); }
  .hero-foot { bottom: .4rem; max-width: 19rem; }
  .hero-definition { font-size: .8rem; }
  .hero-actions { margin-top: .6rem; }
  .cta { padding: .5rem .85rem; font-size: .62rem; }
  .signal-field-wrap { bottom: -2rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
.beta-body { border-top: 1px solid var(--line); padding-top: 2.5rem; }
.beta-body p { margin: 0 0 2.2rem; max-width: 34rem; color: var(--muted); font-size: 1.05rem; line-height: 1.65; }
.rotator-word { display: inline-block; will-change: transform; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.hero-title { font-size: clamp(3.4rem, 6.6vw, 6.6rem); }
.hero-title .rotator-line em { font-style: normal; }
@media (max-width: 720px) { .hero-title { font-size: clamp(2.3rem, 10.5vw, 4.1rem); } }
@media (max-height: 650px) { .hero-title { font-size: clamp(2.2rem, 9vh, 4rem); } }