:root {
  color-scheme: dark;
  --background: #050505;
  --surface: #0a0a0a;
  --surface-raised: #101214;
  --foreground: #f4f4f5;
  --muted: #a1a1aa;
  --dim: #71717a;
  --line: rgba(255, 255, 255, 0.12);
  --cyan: #22d3ee;
  font-family: "IBM Plex Sans", sans-serif;
  background: var(--background);
  color: var(--foreground);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(ellipse at 82% 8%, rgba(34, 211, 238, 0.075), transparent 34rem),
    var(--background);
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding-inline: max(1.5rem, calc((100vw - 78rem) / 2));
}

.site-header {
  position: sticky;
  z-index: 5;
  top: 0;
  min-height: 4rem;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 5, 5, 0.9);
  backdrop-filter: blur(18px);
}

.wordmark {
  flex: 0 0 auto;
  color: var(--foreground);
  font: 700 0.85rem "JetBrains Mono", monospace;
  letter-spacing: 0.12em;
  text-decoration: none;
}

.wordmark span,
.resume-link span,
.site-footer > a:last-child {
  color: var(--cyan);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  font: 0.68rem "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-header nav a,
.site-footer > a:last-child {
  text-decoration: none;
  transition: color 160ms ease;
}

.site-header nav a:not(.resume-link) {
  color: var(--muted);
}

.site-header nav a:hover,
.site-footer > a:last-child:hover {
  color: var(--cyan);
}

.resume-link {
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(34, 211, 238, 0.55);
  color: var(--cyan);
}

.hero,
.section {
  width: min(100% - 3rem, 78rem);
  margin-inline: auto;
}

.hero {
  position: relative;
  display: grid;
  min-height: min(47rem, calc(100svh - 4rem));
  grid-template-columns: minmax(0, 1.12fr) minmax(19rem, 0.88fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7.5rem);
  padding-block: clamp(5rem, 10vw, 8rem);
}

.eyebrow,
.card-domain,
.card-index,
.principle-index,
.system-sketch,
.evidence-meta,
.evidence-number,
.service-result > span,
.engagement-steps > li > span {
  font-family: "JetBrains Mono", monospace;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 1.4rem;
  color: var(--cyan);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  line-height: 1.7;
}

.hero h1,
.section h2,
.service-card h3,
.principle h3 {
  font-family: Chivo, sans-serif;
}

.hero h1 {
  max-width: 48rem;
  margin: 0 0 1.6rem;
  font-size: clamp(3.4rem, 6vw, 5.7rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 0.99;
  text-transform: uppercase;
}

.hero h1 > .headline-line {
  display: block;
  color: var(--foreground);
  white-space: nowrap;
}

.hero h1 > .headline-outline,
.section h2 > span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(34, 211, 238, 0.78);
}

.hero-intro {
  max-width: 39rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.14rem);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 1.8rem;
  margin-top: 2rem;
}

.button-primary {
  display: inline-flex;
  min-height: 3.2rem;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 0.8rem 1.2rem;
  border: 1px solid var(--cyan);
  background: var(--cyan);
  color: #050505;
  cursor: pointer;
  font: 700 0.68rem "JetBrains Mono", monospace;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 160ms ease, color 160ms ease;
}

.button-primary:hover {
  background: transparent;
  color: var(--cyan);
}

.text-link,
.inline-link {
  color: var(--muted);
  font: 0.66rem "JetBrains Mono", monospace;
  letter-spacing: 0.09em;
  line-height: 1.8;
  text-decoration-color: rgba(255, 255, 255, 0.28);
  text-underline-offset: 0.32rem;
  text-transform: uppercase;
  transition: color 160ms ease;
}

.text-link:hover,
.inline-link:hover {
  color: var(--foreground);
}

.career-priority {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem 0.55rem;
  margin: 2rem 0 0;
  color: var(--dim);
  font-size: 0.8rem;
  line-height: 1.7;
}

.career-priority a {
  color: var(--muted);
  text-underline-offset: 0.2rem;
}

.career-priority a:hover {
  color: var(--cyan);
}

.status-mark {
  width: 0.42rem;
  height: 0.42rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0.8rem rgba(34, 211, 238, 0.35);
}

.system-sketch {
  position: relative;
  overflow: hidden;
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(150deg, rgba(16, 18, 20, 0.95), rgba(5, 5, 5, 0.96));
  background-size: 2rem 2rem, 2rem 2rem, auto;
}

.system-sketch::before {
  position: absolute;
  top: -1px;
  left: -1px;
  width: 2.5rem;
  height: 2.5rem;
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
  content: "";
}

.sketch-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  line-height: 1.6;
}

.sketch-index {
  color: var(--dim);
  white-space: nowrap;
}

.system-flow {
  display: grid;
  justify-items: start;
  padding-block: 1.15rem 0.75rem;
}

.flow-node {
  display: grid;
  width: min(100%, 21rem);
  grid-template-columns: 2.4rem 1fr;
  align-items: center;
  gap: 0.9rem;
  padding: 0.8rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(5, 5, 5, 0.75);
}

.flow-node.flow-model {
  border-color: rgba(34, 211, 238, 0.55);
  background: rgba(34, 211, 238, 0.055);
}

.flow-node.flow-review {
  border-left: 2px solid var(--cyan);
}

.node-index {
  color: var(--cyan);
  font-size: 0.65rem;
}

.flow-node strong,
.flow-node small {
  display: block;
}

.flow-node strong {
  margin-bottom: 0.16rem;
  color: var(--foreground);
  font-family: Chivo, sans-serif;
  font-size: 1.03rem;
  letter-spacing: 0.02em;
}

.flow-node small {
  color: var(--dim);
  font: 0.57rem "JetBrains Mono", monospace;
  letter-spacing: 0.035em;
}

.flow-connector {
  width: 1px;
  height: 0.8rem;
  margin-left: 2.18rem;
  background: linear-gradient(var(--cyan), rgba(34, 211, 238, 0.12));
}

.sketch-caption {
  max-width: 25rem;
  margin: 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 0.68rem/1.7 "IBM Plex Sans", sans-serif;
  letter-spacing: 0;
  text-transform: none;
}

.section {
  padding-block: clamp(4.8rem, 9vw, 7.5rem);
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 55rem;
  margin-bottom: 2.7rem;
}

.section-heading .eyebrow,
.evidence-intro .eyebrow,
.engagement-intro .eyebrow,
.inquiry-intro .eyebrow {
  margin-bottom: 1.1rem;
}

.section-heading .eyebrow > span,
.evidence-intro .eyebrow > span,
.engagement-intro .eyebrow > span,
.inquiry-intro .eyebrow > span {
  margin-right: 0.5rem;
}

.section h2 {
  margin: 0 0 1rem;
  font-size: clamp(2.15rem, 5vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.02;
  text-transform: uppercase;
}

.section-copy {
  max-width: 43rem;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-card {
  display: flex;
  min-height: 28rem;
  flex-direction: column;
  padding: clamp(1.35rem, 3vw, 2.25rem);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.028), transparent 66%);
  transition: background 180ms ease;
}

.service-card:hover {
  background: linear-gradient(145deg, rgba(34, 211, 238, 0.055), transparent 72%);
}

.card-heading {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.9rem;
}

.card-index {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid rgba(34, 211, 238, 0.38);
  color: var(--cyan);
  font-size: 0.62rem;
}

.card-domain {
  margin: 0;
  color: var(--dim);
  font-size: 0.57rem;
  letter-spacing: 0.12em;
}

.service-card h3,
.principle h3 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
  line-height: 1.13;
}

.service-question {
  margin: 0 0 0.75rem;
  color: var(--foreground);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.55;
}

.service-detail,
.service-result p,
.service-fit,
.principle p,
.evidence-detail,
.engagement-steps p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.75;
}

.service-detail {
  margin: 0 0 1.5rem;
}

.service-result {
  margin-top: auto;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.service-result > span {
  color: var(--cyan);
  font-size: 0.56rem;
  letter-spacing: 0.13em;
}

.service-result p {
  margin: 0.45rem 0 0;
  font-size: 0.82rem;
}

.service-fit {
  margin: 0;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 0.76rem;
}

.evidence-section {
  display: grid;
  grid-template-columns: minmax(15rem, 0.74fr) minmax(0, 1.26fr);
  align-items: start;
  gap: clamp(2.5rem, 7vw, 7rem);
}

.evidence-intro {
  position: sticky;
  top: 7rem;
}

.evidence-intro .section-copy {
  font-size: 0.92rem;
}

.inline-link {
  display: inline-block;
  margin-top: 1.5rem;
}

.evidence-list {
  border-top: 1px solid var(--line);
}

.evidence-item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) auto;
  align-items: start;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.evidence-item[href] {
  transition: background 180ms ease;
}

.evidence-item[href]:hover .evidence-content > strong,
.evidence-item[href]:hover .evidence-arrow {
  color: var(--cyan);
}

.evidence-number {
  padding-top: 0.1rem;
  color: var(--dim);
  font-size: 0.62rem;
}

.evidence-content {
  display: block;
  min-width: 0;
}

.evidence-meta {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--cyan);
  font-size: 0.54rem;
  letter-spacing: 0.1em;
  line-height: 1.7;
}

.evidence-content > strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: Chivo, sans-serif;
  font-size: 1.3rem;
  transition: color 160ms ease;
}

.evidence-detail {
  display: block;
  font-size: 0.84rem;
}

.evidence-takeaway {
  display: block;
  margin-top: 0.8rem;
  padding-left: 0.75rem;
  border-left: 1px solid rgba(34, 211, 238, 0.52);
  color: var(--dim);
  font-size: 0.75rem;
  line-height: 1.65;
}

.evidence-takeaway b {
  color: var(--muted);
  font-weight: 500;
}

.evidence-arrow {
  color: var(--dim);
  transition: color 160ms ease, transform 160ms ease;
}

.evidence-item[href]:hover .evidence-arrow {
  transform: translate(2px, -2px);
}

.experience-evidence {
  cursor: default;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.principle {
  padding: 1.5rem clamp(1rem, 2.5vw, 2rem) 0 0;
}

.principle + .principle {
  padding-left: clamp(1rem, 2.5vw, 2rem);
  border-left: 1px solid var(--line);
}

.principle-index {
  display: block;
  margin-bottom: 1.4rem;
  color: var(--cyan);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
}

.principle h3 {
  max-width: 17rem;
  font-size: 1.3rem;
}

.principle p {
  margin: 0;
  font-size: 0.83rem;
}

.engagement-section {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  align-items: start;
  gap: clamp(2.5rem, 7vw, 7rem);
}

.engagement-intro .section-copy {
  font-size: 0.93rem;
}

.engagement-steps {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.engagement-steps > li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.75rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line);
}

.engagement-steps > li > span {
  padding-top: 0.15rem;
  color: var(--cyan);
  font-size: 0.63rem;
}

.engagement-steps strong {
  font-family: Chivo, sans-serif;
  font-size: 1.08rem;
}

.engagement-steps p {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
}

.inquiry-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
  gap: clamp(2rem, 7vw, 6rem);
  padding-bottom: clamp(5rem, 10vw, 8rem);
}

.inquiry-intro {
  position: sticky;
  top: 7rem;
}

.inquiry-intro .section-copy {
  font-size: 0.92rem;
}

.inquiry-alternative {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 0.82rem;
  line-height: 1.75;
}

.inquiry-alternative a {
  display: inline-block;
  color: var(--muted);
  text-underline-offset: 0.22rem;
}

.inquiry-alternative a:hover {
  color: var(--cyan);
}

#inquiry-form {
  display: grid;
  gap: 1.15rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.026), transparent 70%);
}

.form-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.5rem;
}

.field label {
  color: var(--foreground);
  font-size: 0.79rem;
  line-height: 1.5;
}

.field label > span {
  color: var(--dim);
  font-size: 0.72rem;
}

.field input,
.field textarea {
  width: 100%;
  min-height: 2.9rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0;
  background: rgba(5, 5, 5, 0.82);
  color: var(--foreground);
  font: 0.87rem "IBM Plex Sans", sans-serif;
  transition: border-color 160ms ease;
}

.field input:focus,
.field textarea:focus {
  border-color: rgba(34, 211, 238, 0.68);
}

.field textarea {
  min-height: 6rem;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #66666f;
  opacity: 1;
}

.form-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  margin-top: 0.1rem;
}

.form-actions > p,
.privacy-note,
.form-status {
  margin: 0;
  color: var(--dim);
  font-size: 0.73rem;
  line-height: 1.65;
}

.form-actions > p {
  max-width: 18rem;
}

.privacy-note {
  max-width: 38rem;
}

.form-status {
  color: var(--cyan);
}

.site-footer {
  min-height: 5.5rem;
  border-top: 1px solid var(--line);
}

.site-footer > p {
  margin: 0;
  color: var(--dim);
  font-size: 0.76rem;
  text-align: center;
}

.site-footer > a:last-child {
  font: 0.65rem "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 2.5rem;
    padding-block: 5rem;
  }

  .hero-copy {
    max-width: 48rem;
  }

  .system-sketch {
    width: min(100%, 35rem);
    justify-self: end;
  }

  .hero {
    min-height: auto;
  }

  .evidence-section,
  .engagement-section {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 2.5rem;
  }
}

@media (max-width: 700px) {
  .desktop-link {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr);
    gap: 3rem;
    padding-block: 5rem 4.5rem;
  }

  .hero h1 {
    max-width: 40rem;
    font-size: clamp(2.45rem, 11.5vw, 4.5rem);
  }

  .system-sketch {
    width: min(100%, 34rem);
  }

  .service-card {
    min-height: auto;
  }

  .evidence-section,
  .engagement-section,
  .inquiry-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }

  .evidence-intro,
  .inquiry-intro {
    position: static;
  }

  .principle-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .principle,
  .principle + .principle {
    padding: 1.3rem 0;
    border-bottom: 1px solid var(--line);
    border-left: 0;
  }

  .principle-index {
    margin-bottom: 0.85rem;
  }

  .principle h3 {
    max-width: 30rem;
  }
}

@media (max-width: 520px) {
  .site-header,
  .site-footer {
    padding-inline: 1rem;
  }

  .site-header {
    min-height: 3.75rem;
  }

  .site-header nav {
    gap: 0.75rem;
    font-size: 0.58rem;
  }

  .site-header nav > a:first-child {
    max-width: 5rem;
    line-height: 1.4;
  }

  .resume-link {
    padding: 0.5rem;
  }

  .hero,
  .section {
    width: min(100% - 2rem, 78rem);
  }

  .hero {
    gap: 2.5rem;
    padding-top: 4rem;
  }

  .hero h1 {
    font-size: clamp(2.45rem, 11.5vw, 3.8rem);
  }

  .hero-intro {
    font-size: 0.97rem;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .career-priority {
    align-items: flex-start;
  }

  .system-sketch {
    padding: 1rem;
  }

  .flow-node {
    gap: 0.65rem;
    padding: 0.72rem 0.75rem;
  }

  .flow-node small {
    font-size: 0.52rem;
  }

  .sketch-heading {
    font-size: 0.52rem;
  }

  .section h2 {
    font-size: clamp(2rem, 9vw, 3.15rem);
  }

  .service-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .service-card {
    padding: 1.25rem;
  }

  .evidence-item {
    grid-template-columns: 1.5rem minmax(0, 1fr) auto;
    gap: 0.65rem;
  }

  .evidence-meta {
    font-size: 0.5rem;
  }

  #inquiry-form {
    padding: 1rem;
  }

  .form-pair {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-footer {
    min-height: auto;
    flex-wrap: wrap;
    padding-block: 1.15rem;
  }

  .site-footer > p {
    order: 3;
    width: 100%;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}