:root {
  --bg: oklch(0.105 0 0);
  --surface: oklch(0.155 0.012 50);
  --surface-raised: oklch(0.205 0.018 50);
  --ink: oklch(0.965 0.012 75);
  --muted: oklch(0.72 0.018 70);
  --line: oklch(0.31 0.018 52);
  --primary: oklch(0.704 0.189 49);
  --primary-deep: oklch(0.52 0.145 42);
  --accent: oklch(0.76 0.125 205);
  --success: oklch(0.78 0.12 150);
  --max: 1180px;
  --pad: clamp(1.25rem, 4vw, 3rem);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "Manrope", Arial, sans-serif; line-height: 1.6; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .18; background-image: radial-gradient(circle at 15% 15%, oklch(0.704 0.189 49 / .15), transparent 24rem), radial-gradient(circle at 88% 28%, oklch(0.76 0.125 205 / .1), transparent 22rem); z-index: -1; }
a { color: inherit; }
.shell { width: min(var(--max), calc(100% - (var(--pad) * 2))); margin-inline: auto; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 10; padding: .6rem .9rem; background: var(--primary); color: oklch(.1 0 0); font-weight: 800; }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 5; border-bottom: 1px solid oklch(1 0 0 / .09); background: oklch(.105 0 0 / .88); backdrop-filter: blur(16px); }
.header-inner { min-height: 4.5rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; font-family: "Space Grotesk", Arial, sans-serif; text-decoration: none; font-weight: 700; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 2rem; height: 2rem; background: var(--primary); color: oklch(.1 0 0); font-family: "IBM Plex Mono", monospace; font-size: .7rem; font-weight: 500; }
.site-nav { display: flex; align-items: center; gap: 1.4rem; font-size: .82rem; color: var(--muted); }
.site-nav a { text-decoration: none; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--ink); }
.nav-cta { padding: .65rem .9rem; color: var(--ink); border: 1px solid var(--line); }
.menu-toggle { display: none; border: 1px solid var(--line); background: transparent; color: var(--ink); padding: .5rem .7rem; font: inherit; }
.hero { min-height: 41rem; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(17rem, .8fr); align-items: center; gap: clamp(2rem, 8vw, 7rem); padding-block: clamp(4rem, 10vw, 8rem); }
.signal-line, .section-kicker, .mono-label { margin: 0 0 1.25rem; color: var(--primary); font: 500 .7rem/1.4 "IBM Plex Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.signal-line { display: flex; align-items: center; gap: .6rem; color: var(--accent); }
.signal-dot { width: .45rem; height: .45rem; background: var(--success); border-radius: 50%; box-shadow: 0 0 0 .28rem oklch(.78 .12 150 / .12); }
h1, h2, h3 { font-family: "Space Grotesk", Arial, sans-serif; line-height: 1.04; letter-spacing: -.035em; text-wrap: balance; }
h1 { max-width: 10ch; margin: 0; font-size: clamp(3.2rem, 7.6vw, 6.6rem); }
h1 em { color: var(--primary); font-style: normal; }
.hero-lead { max-width: 58ch; margin: 2rem 0 0; color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.2rem); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.25rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .75rem; min-height: 3rem; padding: .75rem 1rem; text-decoration: none; font-weight: 800; font-size: .86rem; transition: transform .25s ease, background-color .25s ease, color .25s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { background: var(--primary); color: oklch(.1 0 0); }
.button-primary:hover, .button-primary:focus-visible { background: var(--ink); }
.button-outline { border: 1px solid var(--line); color: var(--ink); }
.button-outline:hover, .button-outline:focus-visible { border-color: var(--primary); color: var(--primary); }
.text-link { color: var(--muted); text-decoration-color: var(--primary); text-underline-offset: .35rem; font-size: .86rem; }
.hero-panel { position: relative; border: 1px solid var(--line); background: var(--surface); padding: 1rem; transform: rotate(1.5deg); }
.hero-panel::after { content: ""; position: absolute; inset: 1rem -1rem -1rem 1rem; border: 1px solid oklch(.76 .125 205 / .23); z-index: -1; }
.panel-top, .panel-footer { display: flex; justify-content: space-between; gap: 1rem; color: var(--muted); font: .64rem "IBM Plex Mono", monospace; letter-spacing: .06em; text-transform: uppercase; }
.panel-top { padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.portrait-placeholder { position: relative; display: grid; place-items: center; aspect-ratio: 1.1; margin: 1rem 0; overflow: hidden; background: oklch(.23 .02 49); color: var(--primary); font: 700 clamp(4rem, 10vw, 8rem)/1 "Space Grotesk", sans-serif; }
.portrait-placeholder::before, .portrait-placeholder::after { content: ""; position: absolute; width: 70%; height: 70%; border: 1px solid oklch(.76 .125 205 / .34); transform: rotate(45deg); }
.portrait-placeholder::after { width: 45%; height: 45%; border-color: oklch(.704 .189 49 / .55); transform: rotate(20deg); }
.portrait-placeholder i { position: absolute; width: 180%; height: 1px; background: var(--accent); opacity: .35; transform: rotate(-28deg); }
.hero-panel-body { padding: .5rem .25rem 1.5rem; }
.hero-panel-body .mono-label { margin-bottom: .55rem; color: var(--accent); }
.hero-panel h2 { max-width: 15ch; margin: 0; font-size: clamp(1.4rem, 3vw, 2.4rem); }
.hero-panel-body p:last-child { margin-bottom: 0; color: var(--muted); font-size: .88rem; }
.panel-footer { padding-top: 1rem; border-top: 1px solid var(--line); text-transform: none; letter-spacing: 0; }
.panel-status { color: var(--success); }
.proof-rail { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding-block: 1.25rem 5rem; border-top: 1px solid var(--line); }
.proof-item { display: grid; gap: .35rem; padding-right: 1rem; border-right: 1px solid var(--line); }
.proof-item:last-child { border-right: 0; }
.proof-item strong { color: var(--primary); font: 600 clamp(1.5rem, 3vw, 2.5rem)/1 "Space Grotesk", sans-serif; }
.proof-item span { color: var(--muted); font-size: .75rem; line-height: 1.45; }
.section { padding-block: 6.5rem; }
.section-heading { max-width: 47rem; margin-bottom: 3.5rem; }
.section-heading h2, .method-intro h2, .stack-heading h2 { max-width: 16ch; margin: 0; font-size: clamp(2.2rem, 4vw, 4.5rem); }
.section-heading > p:last-child, .method-intro > p:last-child { max-width: 52ch; margin: 1.35rem 0 0; color: var(--muted); }
.expertise-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); }
.expertise-item { min-height: 18rem; padding: 2rem 2rem 1.75rem 0; border-bottom: 1px solid var(--line); }
.expertise-item:nth-child(odd) { padding-right: 3rem; border-right: 1px solid var(--line); }
.expertise-item:nth-child(even) { padding-left: 3rem; }
.expertise-item .index { color: var(--accent); font: .72rem "IBM Plex Mono", monospace; }
.expertise-item h3 { max-width: 18ch; margin: 2rem 0 1rem; font-size: clamp(1.5rem, 2.6vw, 2.25rem); }
.expertise-item p { max-width: 43ch; margin: 0; color: var(--muted); font-size: .92rem; }
.expertise-item a { display: inline-block; margin-top: 1.5rem; color: var(--primary); font-size: .8rem; text-decoration: none; }
.expertise-item a:hover { color: var(--ink); }
.expertise-primary h3 { color: var(--primary); }
.section-dark { background: var(--surface); border-block: 1px solid var(--line); }
.section-heading-light { margin-bottom: 2rem; }
.section-heading-light h2 { color: var(--ink); }
.delivery-list { border-top: 1px solid var(--line); }
.delivery-row { display: grid; grid-template-columns: 11rem minmax(0, 1fr) 10rem; gap: 2rem; align-items: start; padding-block: 1.75rem; border-bottom: 1px solid var(--line); }
.delivery-meta { display: grid; gap: .4rem; color: var(--accent); font: .7rem "IBM Plex Mono", monospace; text-transform: uppercase; }
.delivery-meta span:first-child { color: var(--primary); }
.delivery-row h3 { margin: 0 0 .65rem; font-size: clamp(1.2rem, 2vw, 1.6rem); }
.delivery-row p { margin: 0; color: var(--muted); font-size: .88rem; }
.delivery-tag { color: var(--primary) !important; font: .68rem "IBM Plex Mono", monospace; text-align: right; text-transform: uppercase; }
.method-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(2rem, 8vw, 8rem); }
.method-steps { border-top: 1px solid var(--line); }
.method-step { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding-block: 1.3rem; border-bottom: 1px solid var(--line); }
.method-step > span { color: var(--primary); font: .7rem "IBM Plex Mono", monospace; }
.method-step h3 { margin: 0 0 .35rem; font-size: 1.4rem; }
.method-step p { margin: 0; color: var(--muted); font-size: .86rem; }
.stack-section { padding-block: 1rem 6.5rem; }
.stack-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid var(--line); }
.stack-heading .section-kicker { margin-bottom: .8rem; }
.stack-heading h2 { font-size: clamp(1.8rem, 3vw, 3rem); }
.stack-groups { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 3rem; }
.stack-groups > div { padding-block: 1.3rem; border-bottom: 1px solid var(--line); }
.stack-groups h3 { margin: 0 0 .5rem; color: var(--accent); font-size: 1rem; letter-spacing: 0; }
.stack-groups p { margin: 0; color: var(--muted); font-size: .8rem; line-height: 1.7; }
.technical-section { padding-top: 5.5rem; }
.technical-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.technical-card { min-height: 13rem; padding: 1.6rem; background: var(--bg); }
.technical-card h3 { margin: 0 0 .75rem; color: var(--accent); font-size: 1.1rem; letter-spacing: 0; }
.technical-card p { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.65; }
.contact-section { background: var(--primary); color: oklch(.1 0 0); }
.contact-inner { display: grid; grid-template-columns: 1.25fr .75fr; gap: 4rem; align-items: end; padding-block: 5rem; }
.contact-section .section-kicker { color: oklch(.22 .05 42); }
.contact-section h2 { max-width: 13ch; margin: 0; font-size: clamp(2.5rem, 5vw, 5.5rem); }
.contact-actions { display: flex; flex-wrap: wrap; gap: .85rem; }
.contact-actions .button-primary { background: oklch(.1 0 0); color: var(--ink); }
.contact-actions .button-primary:hover, .contact-actions .button-primary:focus-visible { background: var(--ink); color: oklch(.1 0 0); }
.contact-actions .button-outline { border-color: oklch(.1 0 0 / .45); color: oklch(.1 0 0); }
.contact-actions .button-outline:hover, .contact-actions .button-outline:focus-visible { border-color: oklch(.1 0 0); }
.contact-actions p { flex-basis: 100%; margin: .5rem 0 0; font: .7rem "IBM Plex Mono", monospace; }
.site-footer { background: var(--bg); color: var(--muted); font-size: .72rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.4rem; }
.footer-inner a { color: var(--ink); text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; }

@media (max-width: 850px) {
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 3rem; }
  .hero-panel { max-width: 31rem; margin-left: auto; margin-right: 1rem; }
  .proof-rail { grid-template-columns: repeat(2, 1fr); row-gap: 2rem; }
  .proof-item:nth-child(2) { border-right: 0; }
  .delivery-row { grid-template-columns: 7rem minmax(0, 1fr); gap: 1rem; }
  .delivery-tag { grid-column: 2; text-align: left; }
  .method-section, .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
  .technical-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 650px) {
  .header-inner { min-height: 4rem; }
  .menu-toggle { display: block; }
  .site-nav { position: absolute; top: 4rem; left: var(--pad); right: var(--pad); display: none; flex-direction: column; align-items: stretch; gap: 0; padding: .5rem; background: var(--surface); border: 1px solid var(--line); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: .8rem; }
  h1 { font-size: clamp(2.9rem, 15vw, 4.7rem); }
  .hero { padding-block: 4rem 5rem; }
  .hero-panel { transform: none; margin-right: 0; }
  .hero-panel::after { inset: .75rem -.65rem -.75rem .65rem; }
  .proof-rail { grid-template-columns: 1fr 1fr; padding-bottom: 4rem; }
  .proof-item { padding-right: .5rem; }
  .proof-item strong { font-size: 1.55rem; }
  .section { padding-block: 4.5rem; }
  .expertise-grid, .stack-groups, .technical-grid { grid-template-columns: 1fr; }
  .expertise-item, .expertise-item:nth-child(odd), .expertise-item:nth-child(even) { min-height: auto; padding: 1.7rem 0; border-right: 0; }
  .delivery-row { grid-template-columns: 1fr; }
  .delivery-tag { grid-column: auto; }
  .stack-heading { display: block; }
  .stack-heading h2 { margin-top: 1.5rem; }
  .contact-inner { padding-block: 4rem; }
  .footer-inner { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}