@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  --ink: #07111f;
  --ink-2: #0b192a;
  --paper: #f5f7f8;
  --white: #ffffff;
  --muted: #5b6875;
  --line: #d7dee4;
  --cyan: #38e8d0;
  --cyan-dark: #087f74;
  --blue: #4e8cff;
  --mono: "IBM Plex Mono", Consolas, monospace;
  --sans: "Manrope", Arial, sans-serif;
  --shell: 1180px;
  --shadow: 0 28px 70px rgba(6, 20, 35, .15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: clip; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 1rem; line-height: 1.65; }
a { color: inherit; text-underline-offset: .25em; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .7rem 1rem; color: var(--ink); background: var(--cyan); font-weight: 700; }
.skip-link:focus { top: 1rem; }
.page-grid { position: fixed; inset: 0; z-index: -1; pointer-events: none; background-image: linear-gradient(rgba(7,17,31,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(7,17,31,.025) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to bottom, #000, transparent 70%); }

.site-header { position: relative; z-index: 5; background: rgba(245,247,248,.9); border-bottom: 1px solid rgba(7,17,31,.1); backdrop-filter: blur(18px); }
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.wordmark { display: inline-flex; align-items: center; gap: .75rem; font-weight: 700; text-decoration: none; letter-spacing: -.02em; }
.mark { display: grid; place-items: center; width: 34px; height: 34px; background: var(--ink); color: var(--cyan); font: 500 .78rem var(--mono); }
nav { display: flex; align-items: center; gap: 1.8rem; }
nav a { color: #344252; font-size: .88rem; font-weight: 600; text-decoration: none; }
nav a:hover { color: var(--ink); }
nav .nav-contact { border: 1px solid var(--ink); padding: .55rem .9rem; color: var(--ink); }

.hero { min-height: 690px; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); align-items: center; gap: clamp(3rem, 7vw, 7rem); padding-block: 6.5rem 7rem; }
.hero > * { min-width: 0; }
.eyebrow, .section-index { margin: 0 0 1.1rem; color: var(--cyan-dark); font: 500 .78rem/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.pulse { display: inline-block; width: 8px; height: 8px; margin-right: .55rem; border-radius: 50%; background: var(--cyan-dark); box-shadow: 0 0 0 5px rgba(8,127,116,.11); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 740px; margin-bottom: 1.5rem; font-size: clamp(3.2rem, 6.7vw, 6.8rem); font-weight: 600; line-height: .98; letter-spacing: -.065em; }
h1 span, .case-hero h1 span { color: var(--cyan-dark); }
.hero-lede { max-width: 680px; margin-bottom: 2.2rem; color: #405061; font-size: clamp(1.08rem, 1.6vw, 1.3rem); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.button { display: inline-flex; min-height: 49px; align-items: center; justify-content: center; padding: .75rem 1.15rem; border: 1px solid transparent; font-size: .9rem; font-weight: 700; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: var(--white); box-shadow: 8px 8px 0 rgba(8,127,116,.17); }
.button-primary:hover { box-shadow: 4px 4px 0 rgba(8,127,116,.3); }
.button-secondary { border-color: #aeb9c3; background: rgba(255,255,255,.5); }
.identity-links { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.2rem; color: #536171; font: 400 .82rem var(--mono); }
.identity-links a:hover { color: var(--cyan-dark); }

.hero-panel { overflow: hidden; border: 1px solid #26384b; background: var(--ink); color: #cbd7e3; box-shadow: var(--shadow); transform: translateY(18px); }
.panel-top { display: flex; align-items: center; justify-content: space-between; padding: .85rem 1rem; border-bottom: 1px solid #223246; background: #0b1828; color: #718399; font: .74rem var(--mono); }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #405166; }
.hero-panel pre { overflow: auto; margin: 0; padding: clamp(1.4rem, 3vw, 2.6rem); font: clamp(.78rem, 1.1vw, .94rem)/1.95 var(--mono); }
.syntax-key { color: #8eb6ff; }.syntax-prop { color: #7fe9d9; }.syntax-string { color: #f0c87a; }
.panel-status { display: flex; align-items: center; gap: .65rem; padding: 1rem; border-top: 1px solid #223246; color: #aebccc; font: .72rem var(--mono); }
.panel-status span { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }

.signal-strip { border-block: 1px solid var(--line); background: rgba(255,255,255,.72); }
.signal-list { display: grid; grid-template-columns: repeat(4, 1fr); }
.signal-list span { position: relative; padding: 1.1rem 1rem 1.1rem 1.4rem; color: #52606e; font: .7rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.signal-list span::before { content: "+"; position: absolute; left: 0; color: var(--cyan-dark); }

.section { padding-block: 8rem; }
.section-heading { display: grid; grid-template-columns: 1.35fr .65fr; gap: 4rem; align-items: end; margin-bottom: 3.3rem; }
.section-heading h2, .section-divided h2, .case-sidebar h2 { max-width: 800px; margin-bottom: 0; font-size: clamp(2.1rem, 4.4vw, 4rem); font-weight: 600; line-height: 1.05; letter-spacing: -.05em; }
.section-heading > p { max-width: 470px; margin-bottom: .2rem; color: var(--muted); }

.project-card { position: relative; overflow: hidden; border: 1px solid var(--line); background: var(--white); }
.project-featured { display: grid; grid-template-columns: 1.08fr .92fr; gap: 3rem; min-height: 580px; padding: clamp(2rem, 5vw, 4.5rem); border-top: 4px solid var(--ink); box-shadow: 0 18px 50px rgba(19,34,51,.07); }
.project-number { position: absolute; top: 1.3rem; right: 1.5rem; color: #a9b5c0; font: .78rem var(--mono); }
.project-kicker { display: flex; gap: .55rem; margin-bottom: 1.7rem; }
.project-kicker span { padding: .25rem .55rem; background: #e8f8f5; color: #08766d; font: 500 .68rem var(--mono); text-transform: uppercase; }
.project-featured h3 { max-width: 560px; margin-bottom: 1.2rem; font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.05; letter-spacing: -.045em; }
.project-summary { max-width: 620px; color: #425161; font-size: 1.08rem; }
.evidence-list { display: grid; gap: .55rem; margin: 1.7rem 0; padding: 0; list-style: none; }
.evidence-list li { position: relative; padding-left: 1.4rem; color: #526171; font-size: .9rem; }
.evidence-list li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan-dark); font-weight: 700; }
.tag-list { display: flex; flex-wrap: wrap; gap: .45rem; margin: 1.6rem 0; padding: 0; list-style: none; }
.tag-list li { padding: .38rem .58rem; border: 1px solid #d4dde4; color: #4d5c6a; background: #f8fafb; font: .68rem var(--mono); }
.text-link { display: inline-block; margin-top: .5rem; color: var(--ink); font-weight: 700; text-decoration-color: var(--cyan-dark); text-decoration-thickness: 2px; }
.text-link span { color: var(--cyan-dark); }
.system-map { position: relative; min-height: 395px; align-self: center; border: 1px solid #24364b; background: var(--ink); background-image: radial-gradient(#2e445c 1px, transparent 1px); background-size: 20px 20px; color: var(--white); }
.map-label { position: absolute; top: 1rem; left: 1rem; color: #72849a; font: .65rem var(--mono); text-transform: uppercase; }
.map-node { position: absolute; z-index: 2; min-width: 112px; padding: .75rem .85rem; border: 1px solid #43556a; background: #0d1d2f; font: 500 .74rem var(--mono); box-shadow: 0 10px 25px rgba(0,0,0,.2); }
.map-node small { display: block; margin-top: .18rem; color: #7f91a5; font-size: .64rem; }
.map-client { left: 8%; top: 21%; }.map-api { left: 38%; top: 43%; border-color: var(--cyan); }.map-data { right: 7%; top: 21%; }.map-tests { left: 8%; bottom: 14%; }.map-ops { right: 7%; bottom: 14%; }
.map-line { position: absolute; z-index: 1; height: 1px; background: #4b617a; transform-origin: left; }.line-one { width: 40%; left: 25%; top: 37%; transform: rotate(13deg); }.line-two { width: 33%; left: 58%; top: 47%; transform: rotate(-24deg); }
.project-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.3rem; margin-top: 1.3rem; }
.project-compact { min-height: 360px; padding: 2.3rem; }
.project-icon { display: grid; place-items: center; width: 50px; height: 50px; margin-bottom: 2.5rem; border: 1px solid #8b9aa9; color: var(--cyan-dark); font: 500 .75rem var(--mono); }
.project-compact h3 { font-size: 1.65rem; letter-spacing: -.035em; }
.project-compact p { max-width: 550px; color: var(--muted); }

.section-divided { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(3rem, 8vw, 9rem); border-top: 1px solid var(--line); }
.about-copy .lead, .case-content > .lead { margin-bottom: 1.5rem; color: var(--ink); font-size: 1.25rem; font-weight: 500; line-height: 1.65; }
.about-copy > p:not(.lead) { color: var(--muted); }
.progression { margin-top: 3rem; border-top: 1px solid var(--line); }
.progression > div { display: grid; grid-template-columns: 42px 1fr 1fr; gap: 1.3rem; align-items: center; padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
.progression span { color: var(--cyan-dark); font: .72rem var(--mono); }
.progression strong { font-size: .94rem; }.progression small { color: var(--muted); font-size: .83rem; }
.skills-grid { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid var(--line); background: var(--white); }
.skills-grid article { min-height: 260px; padding: 2rem; border-right: 1px solid var(--line); }.skills-grid article:last-child { border-right: 0; }
.skill-code { color: var(--cyan-dark); font: 500 .72rem var(--mono); }
.skills-grid h3 { margin: 3rem 0 .8rem; font-size: 1.12rem; }.skills-grid p { color: var(--muted); font-size: .88rem; }

.contact-section { padding-block: 6.5rem; background: var(--ink); color: var(--white); }
.contact-section .section-index { color: var(--cyan); }
.contact-inner { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 4rem; }
.contact-inner h2 { margin-bottom: 1rem; font-size: clamp(2.5rem, 5vw, 5rem); line-height: 1; letter-spacing: -.055em; }.contact-inner p:not(.section-index) { max-width: 670px; margin-bottom: 0; color: #aebdca; }
.contact-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .6rem; }
.button-light { background: var(--cyan); color: var(--ink); }.button-outline-light { border-color: #53667a; color: var(--white); }
.site-footer { background: #040b14; color: #8292a1; }
.footer-inner { min-height: 92px; display: flex; align-items: center; gap: 2rem; font: .7rem var(--mono); }.footer-inner span:nth-child(2) { margin-left: auto; }.footer-inner a { color: #a7b5c2; }

/* Case study */
.case-hero { padding-block: 4rem 5rem; }.back-link { display: inline-block; margin-bottom: 5rem; color: var(--muted); font: .75rem var(--mono); text-decoration: none; }.back-link:hover { color: var(--cyan-dark); }
.case-title-row { display: grid; grid-template-columns: 1.25fr .75fr; gap: 5rem; align-items: end; }.case-hero h1 { margin-bottom: 0; font-size: clamp(3.5rem, 8vw, 7.5rem); }.case-intro { margin-bottom: .65rem; color: #435263; font-size: 1.2rem; }
.case-meta { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; margin: 4.5rem 0 0; border: 1px solid var(--line); background: var(--line); }.case-meta div { padding: 1.2rem 1.4rem; background: var(--white); }.case-meta dt { color: var(--muted); font: .65rem var(--mono); text-transform: uppercase; }.case-meta dd { margin: .25rem 0 0; font-size: .88rem; font-weight: 600; }
.case-band { padding-block: 4.5rem; background: var(--ink); color: var(--white); }.case-band-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 5rem; align-items: start; }.case-band-grid span { color: var(--cyan); font: .73rem var(--mono); }.case-band-grid h2 { margin: .6rem 0 0; font-size: 2rem; }.case-band-grid p { max-width: 750px; margin: 0; color: #c3ced8; font-size: 1.3rem; line-height: 1.7; }
.case-section { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(3rem, 8vw, 9rem); padding-block: 7.5rem; }.case-border { border-top: 1px solid var(--line); }.case-sidebar { align-self: start; position: sticky; top: 2rem; }.case-sidebar h2 { font-size: clamp(2rem, 3.5vw, 3.1rem); }.case-content { min-width: 0; }
.flow-diagram { display: grid; grid-template-columns: 1fr 24px 1fr; margin-top: 3rem; border: 1px solid var(--line); background: var(--white); }.flow-diagram div { min-height: 145px; padding: 1.4rem; }.flow-diagram span { display: block; margin-bottom: 2.2rem; color: var(--cyan-dark); font: .7rem var(--mono); }.flow-diagram strong, .flow-diagram small { display: block; }.flow-diagram small { margin-top: .25rem; color: var(--muted); }.flow-diagram i { align-self: center; width: 24px; height: 1px; background: var(--cyan-dark); }.flow-diagram i:nth-of-type(2) { display: none; }
.architecture-card { display: grid; grid-template-columns: 1fr 42px 1fr 42px 1fr; align-items: stretch; padding: 1.3rem; background: var(--ink); color: var(--white); }.arch-column { display: grid; gap: .5rem; }.arch-column div { padding: .75rem; border: 1px solid #2b3c50; color: #bfccd8; font-size: .75rem; }.arch-column.arch-accent div { border-color: #167b74; background: #0b272a; color: #d8fffa; }.arch-label { margin-bottom: .3rem; color: #7d8fa3; font: .62rem var(--mono); text-transform: uppercase; }.arch-arrow { display: grid; place-items: center; color: var(--cyan); }
.principle-grid { display: grid; grid-template-columns: 1fr 1fr; margin-top: 1.2rem; border: 1px solid var(--line); background: var(--line); gap: 1px; }.principle-grid article { padding: 1.8rem; background: var(--white); }.principle-grid span { color: var(--cyan-dark); font: .68rem var(--mono); }.principle-grid h3 { margin: 1.4rem 0 .5rem; font-size: 1.05rem; }.principle-grid p { margin: 0; color: var(--muted); font-size: .85rem; }
.capability-list { border-top: 1px solid var(--line); }.capability-list article { display: grid; grid-template-columns: 85px 1fr; gap: 1.3rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }.capability-list article > span { color: var(--cyan-dark); font: .7rem var(--mono); }.capability-list h3 { margin: 0 0 .35rem; font-size: 1.1rem; }.capability-list p { margin: 0; color: var(--muted); font-size: .88rem; }
.case-outcome { padding-block: 6.5rem; background: #e8edef; }.case-outcome-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 7rem; }.case-outcome h2 { font-size: clamp(2.3rem, 4vw, 3.8rem); line-height: 1.06; letter-spacing: -.05em; }.case-outcome-grid > div:last-child > p { font-size: 1.12rem; }.case-outcome .privacy-note { padding-left: 1rem; border-left: 3px solid var(--cyan-dark); color: var(--muted); font-size: .85rem !important; }
.next-project { padding-block: 8rem; text-align: center; }.next-project > p { color: var(--cyan-dark); font: .76rem var(--mono); text-transform: uppercase; }.next-project h2 { max-width: 800px; margin: 0 auto 2.5rem; font-size: clamp(2.4rem, 5vw, 4.8rem); line-height: 1.05; letter-spacing: -.055em; }.next-project .hero-actions { justify-content: center; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-block: 5rem; }.hero-copy { max-width: 760px; }.hero-panel { width: min(100%, 620px); transform: none; }
  .section-heading, .section-divided, .contact-inner, .case-title-row, .case-band-grid, .case-section, .case-outcome-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .project-featured { grid-template-columns: 1fr; }.system-map { min-height: 380px; }.skills-grid { grid-template-columns: 1fr 1fr; }.skills-grid article:nth-child(2) { border-right: 0; }.skills-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }.contact-actions { justify-content: flex-start; }
  .case-sidebar { position: static; }.case-title-row { gap: 2rem; }.case-meta { grid-template-columns: 1fr 1fr; }.case-content { max-width: 720px; }
}

@media (max-width: 640px) {
  .shell { width: min(calc(100% - 32px), var(--shell)); }.nav-wrap { min-height: 68px; }.wordmark > span:last-child, nav a:nth-child(2), nav a:nth-child(3) { display: none; } nav { gap: .9rem; } nav a { font-size: .78rem; } nav .nav-contact { padding: .45rem .65rem; }
  h1 { font-size: clamp(2.85rem, 13vw, 4rem); }.hero { gap: 3rem; padding-block: 4rem; }.hero-actions .button { width: 100%; }.identity-links { display: grid; gap: .4rem; }.identity-links > span { display: none; }.hero-panel pre { font-size: .68rem; }
  .signal-list { grid-template-columns: 1fr 1fr; }.section { padding-block: 5.5rem; }.section-heading { margin-bottom: 2rem; }.project-featured { padding: 1.5rem; }.system-map { min-height: 345px; }.map-node { min-width: 92px; font-size: .65rem; }.map-client,.map-tests { left: 5%; }.map-data,.map-ops { right: 5%; }
  .project-grid, .skills-grid { grid-template-columns: 1fr; }.skills-grid article { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--line); }.project-compact { min-height: 330px; }.progression > div { grid-template-columns: 32px 1fr; }.progression small { grid-column: 2; }.contact-section { padding-block: 5rem; }.contact-actions .button { width: 100%; }.footer-inner { flex-wrap: wrap; padding-block: 1.5rem; gap: .8rem 1.3rem; }.footer-inner span:nth-child(2) { order: 3; width: 100%; margin-left: 0; }
  .case-hero { padding-block: 3rem 4rem; }.back-link { margin-bottom: 3rem; }.case-meta { grid-template-columns: 1fr; }.case-band { padding-block: 3.5rem; }.case-band-grid p { font-size: 1.08rem; }.case-section { padding-block: 5rem; }.flow-diagram { grid-template-columns: 1fr; }.flow-diagram i { width: 1px; height: 24px; margin: 0 auto; }.flow-diagram i:nth-of-type(2) { display: block; }.architecture-card { grid-template-columns: 1fr; }.arch-arrow { min-height: 36px; transform: rotate(90deg); }.principle-grid { grid-template-columns: 1fr; }.capability-list article { grid-template-columns: 55px 1fr; }.case-outcome { padding-block: 5rem; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; } }
@media print { .site-header, .hero-actions, .contact-section, .site-footer, .page-grid { display: none; } body { background: white; color: black; } .section, .case-section { padding-block: 2rem; } }