:root {
  --paper: #f2eee5;
  --paper-deep: #e6ddcf;
  --ink: #171916;
  --ink-soft: #30342f;
  --muted: #686d64;
  --line: rgba(23, 25, 22, 0.18);
  --acid: #c9f45c;
  --blue: #3f50f4;
  --coral: #ff7350;
  --gold: #f2bc3c;
  --white: #fffdf8;
  --surface: #fffdf8;
  --surface-translucent: rgba(255, 253, 248, 0.58);
  --header-bg: rgba(242, 238, 229, 0.88);
  --inverse-bg: #171916;
  --inverse-bg-soft: #30342f;
  --inverse-text: #fffdf8;
  --dark-ink: #171916;
  --grain: rgba(23, 25, 22, 0.18);
  --leadership: #c9f45c;
  --technology: #7e8aff;
  --research: #ff8a68;
  --mechanical: #f2bc3c;
  --serif: "DM Serif Display", Georgia, serif;
  --sans: "Instrument Sans", Arial, sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --shadow: 0 22px 60px rgba(30, 29, 24, 0.12);
}

html[data-theme="dark"] {
  --paper: #11130f;
  --paper-deep: #1b1e19;
  --ink: #f3efe6;
  --muted: #aab0a4;
  --line: rgba(243, 239, 230, 0.2);
  --surface: #1a1d18;
  --surface-translucent: rgba(29, 32, 27, 0.82);
  --header-bg: rgba(17, 19, 15, 0.9);
  --inverse-bg: #050605;
  --inverse-bg-soft: #0b0d0a;
  --inverse-text: #f8f4ec;
  --grain: rgba(248, 244, 236, 0.12);
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 6%, rgba(255, 115, 80, 0.08), transparent 26rem),
    radial-gradient(circle at 92% 18%, rgba(63, 80, 244, 0.09), transparent 30rem),
    var(--paper);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: color 180ms ease, background-color 180ms ease;
}

body::before {
  position: fixed;
  z-index: 100;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.22;
  background-image: radial-gradient(var(--grain) 0.55px, transparent 0.55px);
  background-size: 5px 5px;
  mix-blend-mode: multiply;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  color: inherit;
  font: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 4px;
}

::selection {
  color: var(--dark-ink);
  background: var(--acid);
}

.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;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 1rem;
  left: 1rem;
  padding: 0.7rem 1rem;
  color: var(--inverse-text);
  background: var(--inverse-bg);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell {
  width: min(100% - 3rem, 1280px);
  margin-inline: auto;
}

.section-block {
  padding-block: clamp(4rem, 7vw, 6.5rem);
}

.eyebrow {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin: 0 0 1.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: flex;
  min-height: 76px;
  align-items: stretch;
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(18px);
}

.wordmark {
  display: inline-flex;
  min-width: 220px;
  align-items: center;
  gap: 0.9rem;
  padding-inline: 1.5rem;
  border-right: 1px solid var(--line);
  font-weight: 680;
}

.wordmark__mark {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  color: var(--inverse-text);
  background: var(--inverse-bg);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: -0.06em;
}

.wordmark__text {
  letter-spacing: -0.02em;
}

.site-navigation {
  display: flex;
  flex: 1;
  justify-content: flex-end;
  margin-left: auto;
}

.site-navigation a {
  display: flex;
  min-width: 0;
  max-width: 150px;
  flex: 1 1 110px;
  align-items: center;
  gap: 0.7rem;
  justify-content: center;
  padding-inline: 0.55rem;
  border-left: 1px solid var(--line);
  font-size: 0.76rem;
  font-weight: 620;
  white-space: nowrap;
  transition: color 160ms ease, background 160ms ease;
}

.site-navigation a:hover {
  color: var(--inverse-text);
  background: var(--inverse-bg);
}

.site-navigation a span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
}

.site-navigation a:hover span {
  color: var(--acid);
}

.menu-button {
  display: none;
  margin-left: 0;
  align-items: center;
  gap: 0.8rem;
  padding-inline: 1.2rem;
  border: 0;
  border-left: 1px solid var(--line);
  background: transparent;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.menu-button__lines,
.menu-button__lines::before {
  display: block;
  width: 1.4rem;
  height: 1px;
  background: var(--ink);
  content: "";
  transition: transform 160ms ease;
}

.menu-button__lines::before {
  transform: translateY(6px);
}

.menu-button[aria-expanded="true"] .menu-button__lines {
  transform: rotate(45deg);
}

.menu-button[aria-expanded="true"] .menu-button__lines::before {
  transform: rotate(-90deg);
}

.theme-toggle {
  display: grid;
  width: 76px;
  flex: 0 0 76px;
  place-items: center;
  border: 0;
  border-left: 1px solid var(--line);
  background: transparent;
  transition: color 160ms ease, background 160ms ease;
}

.theme-toggle:hover {
  color: var(--inverse-text);
  background: var(--inverse-bg);
}

.theme-toggle__icon {
  font-size: 1.45rem;
  line-height: 1;
  transition: transform 180ms ease;
}

.theme-toggle:hover .theme-toggle__icon {
  transform: rotate(14deg);
}

.theme-toggle__icon--sun {
  display: none;
}

html[data-theme="dark"] .theme-toggle__icon--moon {
  display: none;
}

html[data-theme="dark"] .theme-toggle__icon--sun {
  display: block;
}

.hero {
  display: grid;
  min-height: calc(100vh - 76px);
  align-items: center;
  gap: clamp(3rem, 7vw, 8rem);
  padding-block: clamp(4rem, 8vw, 8rem);
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
}

.hero__copy {
  position: relative;
}

.hero__copy h1 {
  max-width: 850px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(4rem, 7vw, 7rem);
  font-weight: 400;
  line-height: 0.78;
  letter-spacing: -0.055em;
}

.hero__copy h1 em {
  position: relative;
  display: inline-block;
  color: var(--blue);
  font-weight: 400;
}

.hero__copy h1 em::after {
  position: absolute;
  right: -0.08em;
  bottom: -0.06em;
  left: 0.08em;
  height: 0.09em;
  background: var(--acid);
  content: "";
  transform: rotate(-2deg);
}

.hero__lede {
  max-width: 700px;
  margin: clamp(2.5rem, 5vw, 4.5rem) 0 0;
  font-size: clamp(1.18rem, 2vw, 1.55rem);
  line-height: 1.45;
  letter-spacing: -0.022em;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3.35rem;
  align-items: center;
  gap: 1.5rem;
  justify-content: space-between;
  padding: 0.85rem 1rem 0.85rem 1.2rem;
  border: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  box-shadow: 5px 5px 0 var(--coral);
  transform: translate(-3px, -3px);
}

.button--primary {
  color: var(--inverse-text);
  background: var(--inverse-bg);
}

.button--primary span {
  color: var(--acid);
}

.button--quiet {
  background: var(--surface-translucent);
}

.hero__facts {
  display: grid;
  max-width: 700px;
  margin: 3.25rem 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.hero__facts div {
  padding: 1.2rem 1rem 1.2rem 0;
}

.hero__facts div + div {
  padding-left: 1.2rem;
  border-left: 1px solid var(--line);
}

.hero__facts dt {
  margin-bottom: 0.4rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__facts dd {
  margin: 0;
  font-size: clamp(0.9rem, 1.3vw, 1.05rem);
  font-weight: 650;
}

.hero__portrait {
  position: relative;
  max-width: 475px;
  justify-self: end;
}

.portrait-frame {
  position: relative;
  z-index: 1;
  padding: 0.75rem;
  border: 1px solid var(--ink);
  background: var(--surface);
  box-shadow: 22px 22px 0 var(--blue);
  transform: rotate(1.4deg);
}

.portrait-frame::before {
  position: absolute;
  z-index: -1;
  top: -1.8rem;
  left: -1.5rem;
  width: 5.2rem;
  height: 5.2rem;
  border-radius: 50%;
  background: var(--acid);
  content: "";
}

.portrait-frame img {
  width: 100%;
  aspect-ratio: 1 / 1.08;
  filter: saturate(0.78) contrast(1.06);
  object-fit: cover;
  object-position: center 32%;
}

.portrait-frame__label {
  position: absolute;
  padding: 0.42rem 0.65rem;
  color: var(--inverse-text);
  background: var(--inverse-bg);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.portrait-frame__label--top {
  top: 2rem;
  left: -1.4rem;
}

.portrait-frame__label--bottom {
  right: -1.4rem;
  bottom: 2.2rem;
  background: var(--coral);
}

.portrait-note {
  margin: 2.7rem 0 0 2.2rem;
  font-size: 0.85rem;
  line-height: 1.55;
}

.portrait-note span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.manifesto {
  display: grid;
  align-items: start;
  padding: clamp(3.5rem, 6vw, 6rem) max(1.5rem, calc((100vw - 1280px) / 2));
  color: var(--inverse-text);
  background: var(--blue);
  gap: 2rem;
  grid-template-columns: 1fr 5fr;
}

.manifesto__index {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.manifesto > p:last-child {
  max-width: 1100px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 5rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
}

.manifesto em {
  color: var(--acid);
  font-weight: 400;
}

.philosophy-band {
  padding-block: clamp(3rem, 5vw, 4.5rem);
  border-bottom: 1px solid var(--line);
  background: var(--paper-deep);
}

.philosophy-band__heading {
  display: grid;
  align-items: end;
  gap: 2rem;
  margin-bottom: 2rem;
  grid-template-columns: 0.7fr 1.3fr;
}

.philosophy-band__heading .eyebrow {
  margin: 0;
}

.philosophy-band__heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.8rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
}

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

.philosophy-card {
  display: grid;
  gap: 1.25rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--ink);
  grid-template-columns: 2.2rem 1fr;
}

.philosophy-card > span {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.philosophy-card h3 {
  margin: 0 0 0.45rem;
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.3vw, 2.2rem);
  font-weight: 400;
  line-height: 1.05;
}

.philosophy-card p {
  max-width: 600px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.ai-section {
  border-bottom: 1px solid var(--line);
  background: var(--surface-translucent);
}

.ai-journey {
  display: grid;
  padding: 0;
  margin: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.ai-journey__item {
  display: flex;
  min-height: 230px;
  flex-direction: column;
  padding: 1.15rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.ai-journey__item:first-child {
  border-left: 1px solid var(--line);
}

.ai-journey__number,
.ai-journey__phase {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ai-journey__number {
  color: var(--blue);
}

.ai-journey__phase {
  margin: auto 0 0.35rem;
  color: var(--muted);
}

.ai-journey__item h3 {
  margin: 0 0 0.55rem;
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.2vw, 2.15rem);
  font-weight: 400;
  line-height: 1;
}

.ai-journey__item > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.skills-panel {
  display: grid;
  gap: 2rem;
  margin-top: 1rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  color: var(--inverse-text);
  background: var(--inverse-bg);
}

.skills-panel__heading {
  display: grid;
  align-items: end;
  gap: 2rem;
  grid-template-columns: 1.3fr 0.7fr;
}

.skills-panel__heading .eyebrow {
  margin-bottom: 0.7rem;
  color: var(--acid);
}

.skills-panel__heading h3,
.conversion-panel h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4.5vw, 4.8rem);
  font-weight: 400;
  line-height: 0.96;
  letter-spacing: -0.035em;
}

.skills-panel__heading > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.88rem;
}

.skills-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 1.25rem 0 0;
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  list-style: none;
}

.skills-cloud li {
  padding: 0.48rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-family: var(--mono);
  font-size: 0.64rem;
  line-height: 1.2;
}

.skills-cloud__item--highlight {
  color: var(--dark-ink);
  border-color: var(--acid);
  background: var(--acid);
}

.skills-cloud__item--border {
  border-color: var(--coral);
}

.conversion-panel {
  display: grid;
  align-items: end;
  gap: clamp(2rem, 6vw, 6rem);
  margin-top: 1rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  color: var(--dark-ink);
  border: 1px solid var(--dark-ink);
  background: var(--acid);
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
}

.conversion-panel .eyebrow {
  margin-bottom: 0.75rem;
}

.conversion-panel > div:last-child > p {
  margin: 0 0 1.25rem;
}

.conversion-panel .button--primary {
  color: var(--inverse-text);
  border-color: var(--dark-ink);
  background: var(--dark-ink);
}

.section-heading {
  display: grid;
  align-items: end;
  gap: clamp(2rem, 8vw, 8rem);
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
}

.section-heading h2,
.research-intro h2,
.contact-layout h2 {
  max-width: 900px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.2rem, 6.3vw, 6.5rem);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: -0.045em;
}

.section-heading > p {
  max-width: 580px;
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.work-controls {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.2rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-button,
.timeline-filter {
  padding: 0.58rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.02em;
  transition: color 140ms ease, background 140ms ease, border 140ms ease;
}

.filter-button:hover,
.filter-button.is-active {
  color: var(--inverse-text);
  border-color: var(--inverse-bg);
  background: var(--inverse-bg);
}

.search-field {
  display: flex;
  min-width: 310px;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--ink);
}

.search-field input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 0.82rem;
}

.search-field input::placeholder {
  color: var(--muted);
}

.archive-status {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding-block: 1.2rem 1.7rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

.project-card {
  position: relative;
  display: flex;
  min-height: 270px;
  flex-direction: column;
  padding: clamp(1.15rem, 2vw, 1.55rem);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface-translucent);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.project-card::after {
  position: absolute;
  right: -3rem;
  bottom: -3rem;
  width: 7rem;
  height: 7rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  content: "";
  transition: transform 220ms ease;
}

.project-card:hover {
  z-index: 1;
  border-color: var(--ink);
  box-shadow: var(--shadow);
  transform: translateY(-5px);
}

.project-card:hover::after {
  transform: scale(1.35);
}

.project-card--feature {
  min-height: 320px;
  color: var(--inverse-text);
  border-color: var(--inverse-bg);
  background: var(--inverse-bg);
  grid-column: 1 / -1;
}

.project-card--feature::after {
  width: 17rem;
  height: 17rem;
  border-color: rgba(201, 244, 92, 0.55);
}

.project-card__meta {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.75;
}

.project-card__client {
  margin: 1.35rem 0 0.45rem;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-card--feature .project-card__client {
  color: var(--acid);
}

.project-card h3 {
  max-width: 720px;
  margin: 0 0 0.7rem;
  font-family: var(--serif);
  font-size: clamp(1.65rem, 2.5vw, 2.45rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.project-card--feature h3 {
  font-size: clamp(2.35rem, 4vw, 3.8rem);
}

.project-card h3 a {
  text-decoration-color: var(--coral);
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.12em;
}

.project-card h3 a:hover {
  text-decoration-line: underline;
}

.project-card > p:not(.project-card__client) {
  max-width: 720px;
  margin: 0 0 1.15rem;
  color: var(--muted);
  font-size: 0.91rem;
  line-height: 1.45;
}

.project-card--feature > p:not(.project-card__client) {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.98rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}

.tag {
  display: inline-flex;
  padding: 0.27rem 0.45rem;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 0.59rem;
  line-height: 1.25;
  opacity: 0.76;
}

.relationship-list {
  margin-top: auto;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
}

.relationship-list__label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.relationship-list > div {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.relationship-link {
  display: inline-flex;
  padding: 0.28rem 0.42rem;
  border: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 0.57rem;
  line-height: 1.25;
  opacity: 0.72;
  transition: opacity 160ms ease, background 160ms ease;
}

.relationship-link:hover,
.relationship-link:focus-visible {
  background: rgba(125, 125, 125, 0.13);
  opacity: 1;
}

.relationship-list + .tag-list {
  margin-top: 0.65rem;
}

.project-card--feature .relationship-list,
.timeline-entry .relationship-list {
  border-color: rgba(255, 255, 255, 0.2);
}

.project-card--feature .relationship-list__label,
.timeline-entry .relationship-list__label {
  color: rgba(255, 255, 255, 0.52);
}

.project-card,
.timeline-entry__card,
.community-card {
  scroll-margin-top: 7rem;
}

.project-card.is-linked-target,
.timeline-entry.is-linked-target .timeline-entry__card,
.community-card.is-linked-target {
  outline: 3px solid var(--acid);
  outline-offset: 4px;
}

.archive-button {
  display: block;
  min-width: min(100%, 360px);
  margin: 2.5rem auto 0;
  padding: 1rem 1.4rem;
  border: 1px solid var(--ink);
  background: transparent;
  font-family: var(--mono);
  font-size: 0.72rem;
  transition: color 160ms ease, background 160ms ease;
}

.archive-button:hover {
  color: var(--inverse-text);
  background: var(--inverse-bg);
}

.noscript-note {
  padding: 1rem;
  border: 1px solid var(--coral);
}

.timeline-section {
  color: var(--inverse-text);
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    var(--inverse-bg);
  background-size: 48px 48px;
}

.section-heading--light > p {
  color: rgba(255, 255, 255, 0.64);
}

.timeline-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-block: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.timeline-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.75);
  border-color: rgba(255, 255, 255, 0.2);
}

.timeline-filter i {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--inverse-text);
}

.timeline-filter[data-timeline-filter="leadership"] i {
  background: var(--leadership);
}

.timeline-filter[data-timeline-filter="technology"] i {
  background: var(--technology);
}

.timeline-filter[data-timeline-filter="research"] i {
  background: var(--research);
}

.timeline-filter[data-timeline-filter="mechanical"] i {
  background: var(--mechanical);
}

.timeline-filter:hover,
.timeline-filter.is-active {
  color: var(--dark-ink);
  border-color: var(--inverse-text);
  background: var(--inverse-text);
}

.timeline {
  position: relative;
  max-width: 1050px;
  margin: 2.75rem auto 0;
}

.timeline::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 183px;
  width: 1px;
  background: rgba(255, 255, 255, 0.22);
  content: "";
}

.timeline-entry {
  position: relative;
  display: grid;
  align-items: start;
  margin-bottom: 0.7rem;
  gap: 0;
  grid-template-columns: 170px 27px minmax(0, 1fr);
}

.timeline-entry__period {
  padding: 0.9rem 1.7rem 0 0;
  color: rgba(255, 255, 255, 0.58);
  font-family: var(--mono);
  font-size: 0.65rem;
  line-height: 1.45;
  text-align: right;
  text-transform: uppercase;
}

.timeline-entry__marker {
  z-index: 1;
  width: 13px;
  height: 13px;
  margin-top: 0.95rem;
  border: 3px solid var(--inverse-bg);
  border-radius: 50%;
  background: var(--inverse-text);
}

.timeline-entry[data-track="leadership"] .timeline-entry__marker {
  background: var(--leadership);
}

.timeline-entry[data-track="technology"] .timeline-entry__marker {
  background: var(--technology);
}

.timeline-entry[data-track="research"] .timeline-entry__marker {
  background: var(--research);
}

.timeline-entry[data-track="mechanical"] .timeline-entry__marker {
  background: var(--mechanical);
}

.timeline-entry__card {
  padding: 0.9rem 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.17);
  background: rgba(255, 255, 255, 0.035);
  transition: background 160ms ease, border 160ms ease, transform 160ms ease;
}

.timeline-entry__card:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.07);
  transform: translateX(5px);
}

.timeline-entry__topline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: space-between;
  margin-bottom: 0.45rem;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.track-label {
  color: rgba(255, 255, 255, 0.52);
}

.parallel-label {
  padding: 0.2rem 0.45rem;
  color: var(--dark-ink);
  background: var(--acid);
}

.timeline-entry h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2.3vw, 1.9rem);
  font-weight: 400;
  line-height: 1.08;
}

.timeline-entry__organization {
  margin: 0.3rem 0 0;
  font-weight: 650;
}

.timeline-entry__detail {
  margin: 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.82rem;
}

.timeline-entry .tag-list {
  margin-top: 0.65rem;
}

.practice-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.practice-card {
  position: relative;
  display: flex;
  min-height: 430px;
  flex-direction: column;
  padding: 1.8rem;
  border: 1px solid var(--ink);
  background: var(--surface);
}

.practice-card:nth-child(2) {
  color: var(--inverse-text);
  background: var(--blue);
}

.practice-card:nth-child(3) {
  color: var(--dark-ink);
  background: var(--acid);
}

.practice-card__number {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  font-family: var(--serif);
  font-size: 5.5rem;
  line-height: 1;
  opacity: 0.14;
}

.practice-card__subtitle {
  max-width: 180px;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.practice-card h3 {
  margin: auto 0 1.2rem;
  font-family: var(--serif);
  font-size: clamp(4rem, 7vw, 6rem);
  font-weight: 400;
  line-height: 0.88;
}

.practice-card > p:not(.practice-card__subtitle) {
  margin: 0 0 2.2rem;
}

.research-section {
  color: var(--inverse-text);
  background: var(--inverse-bg-soft);
}

.research-layout {
  display: grid;
  align-items: start;
  gap: clamp(3rem, 8vw, 8rem);
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
}

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

.research-intro h2 {
  margin-bottom: 2rem;
}

.research-intro > p:not(.eyebrow) {
  max-width: 560px;
  color: rgba(255, 255, 255, 0.65);
}

.text-link {
  display: inline-flex;
  gap: 1rem;
  align-items: center;
  margin-top: 1rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--acid);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.text-link span {
  color: var(--acid);
}

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

.foundation-card {
  min-height: 280px;
  padding: 1.6rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
}

.foundation-card > span {
  color: var(--acid);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.foundation-card h3 {
  margin: 3rem 0 1rem;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.3vw, 3.2rem);
  font-weight: 400;
  line-height: 1;
}

.foundation-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
}

.foundation-card--accent {
  color: var(--dark-ink);
  border-color: var(--acid);
  background: var(--acid);
}

.foundation-card--accent > span,
.foundation-card--accent p {
  color: var(--dark-ink);
}

.testimonial-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.testimonials {
  color: var(--inverse-text);
  background: var(--inverse-bg-soft);
}

.testimonials .section-heading {
  border-color: rgba(255, 255, 255, 0.22);
}

.testimonials .section-heading > p,
.testimonials .quote-card figcaption span {
  color: rgba(255, 255, 255, 0.62);
}

.testimonials .quote-card {
  background: rgba(255, 255, 255, 0.045);
}

.quote-card {
  display: flex;
  min-height: 280px;
  flex-direction: column;
  margin: 0;
  padding: 1.8rem;
  border-top: 4px solid var(--blue);
  background: var(--surface-translucent);
}

.quote-card:nth-child(2) {
  border-color: var(--coral);
}

.quote-card:nth-child(3) {
  border-color: var(--acid);
}

.quote-card blockquote {
  margin: 0 0 3rem;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 2.7vw, 2.6rem);
  line-height: 1.08;
}

.quote-card figcaption {
  display: flex;
  flex-direction: column;
  margin-top: auto;
  font-size: 0.8rem;
}

.quote-card figcaption span {
  color: var(--muted);
}

.community-section {
  color: var(--dark-ink);
  border-top: 1px solid var(--dark-ink);
  border-bottom: 1px solid var(--dark-ink);
  background: var(--coral);
}

.section-heading--community {
  border-color: rgba(17, 19, 15, 0.35);
}

.section-heading--community > p {
  color: rgba(17, 19, 15, 0.7);
}

.community-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
}

.community-card {
  display: flex;
  min-height: 220px;
  flex-direction: column;
  padding: 1.35rem;
  border: 1px solid var(--dark-ink);
  background: rgba(255, 255, 255, 0.13);
}

.community-card__period,
.community-card__role {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.community-card__period {
  opacity: 0.68;
}

.community-card__role {
  margin-top: 1.5rem;
  color: var(--blue);
}

.community-card h3 {
  margin: 0.3rem 0 0.65rem;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 400;
  line-height: 1.05;
}

.community-card > p:not(.community-card__period, .community-card__role) {
  margin: 0 0 1rem;
  max-width: 760px;
}

.community-card .relationship-list {
  border-color: rgba(17, 19, 15, 0.28);
}

.community-card .relationship-list__label {
  color: rgba(17, 19, 15, 0.62);
}

.contact-section {
  padding-block: clamp(5rem, 9vw, 8rem);
}

.contact-layout {
  display: grid;
  align-items: end;
  gap: clamp(3rem, 8vw, 8rem);
  grid-template-columns: 1.2fr 0.8fr;
}

.contact-layout h2 {
  max-width: 750px;
}

.contact-layout h2 + p {
  margin: 1.5rem 0 0;
  color: var(--blue);
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  font-style: italic;
}

.contact-fit {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0;
  margin: 1.5rem 0 0;
  list-style: none;
}

.contact-fit li {
  padding: 0.38rem 0.55rem;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.contact-links {
  border-top: 1px solid var(--ink);
}

.contact-links a {
  display: grid;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line);
  font-weight: 650;
  grid-template-columns: 0.7fr 1.3fr auto;
  transition: padding 160ms ease, color 160ms ease;
}

.contact-links a:hover {
  padding-inline: 0.7rem;
  color: var(--blue);
}

.contact-links a span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 400;
}

.contact-links a i {
  font-style: normal;
}

.site-footer {
  display: grid;
  align-items: center;
  gap: 1rem;
  padding: 1.3rem max(1.5rem, calc((100vw - 1280px) / 2));
  color: rgba(255, 255, 255, 0.6);
  background: var(--inverse-bg);
  font-family: var(--mono);
  font-size: 0.62rem;
  grid-template-columns: repeat(3, 1fr);
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}

.site-footer p:nth-child(2) {
  text-align: center;
}

.site-footer a {
  color: var(--acid);
  text-align: right;
}

.contact-dock {
  position: fixed;
  z-index: 90;
  right: calc(1rem + env(safe-area-inset-right));
  bottom: calc(1rem + env(safe-area-inset-bottom));
  display: flex;
  align-items: flex-end;
  flex-direction: column;
  gap: 0.55rem;
}

.contact-dock__link {
  display: grid;
  width: 3.25rem;
  min-width: 0;
  min-height: 3.25rem;
  overflow: hidden;
  align-items: center;
  border: 1px solid rgba(23, 25, 22, 0.38);
  box-shadow: 5px 5px 0 rgba(23, 25, 22, 0.22);
  font-family: var(--mono);
  font-size: 0.67rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  grid-template-columns: 3.15rem max-content;
  text-transform: uppercase;
  transition: width 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.contact-dock__link:hover,
.contact-dock__link:focus-visible {
  width: 8.4rem;
  box-shadow: 7px 7px 0 rgba(23, 25, 22, 0.28);
  transform: translate(-2px, -2px);
}

.contact-dock__link--email {
  color: var(--dark-ink);
  background: var(--coral);
}

.contact-dock__link--call {
  color: var(--inverse-text);
  background: var(--blue);
}

.contact-dock__link--whatsapp {
  color: #092b19;
  background: #25d366;
}

.contact-dock__icon {
  display: grid;
  width: 3.15rem;
  min-height: 3.15rem;
  place-items: center;
  font-family: var(--sans);
  font-size: 1.35rem;
  line-height: 1;
}

.contact-dock__icon--whatsapp img {
  width: 1.4rem;
  height: 1.4rem;
}

.contact-dock__label {
  padding-right: 0.9rem;
  opacity: 0;
  white-space: nowrap;
  transition: opacity 120ms ease;
}

.contact-dock__link:hover .contact-dock__label,
.contact-dock__link:focus-visible .contact-dock__label {
  opacity: 1;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 620ms ease, transform 620ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

[hidden] {
  display: none !important;
}

@media (max-width: 1280px) {
  .theme-toggle {
    margin-left: auto;
  }

  .menu-button {
    display: inline-flex;
  }

  .site-navigation {
    position: absolute;
    top: 76px;
    right: 0;
    left: 0;
    display: none;
    padding: 0.8rem 1.5rem 1.5rem;
    border-bottom: 1px solid var(--ink);
    background: var(--paper);
  }

  .site-navigation.is-open {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-navigation a {
    width: 100%;
    max-width: none;
    min-height: 3.3rem;
    justify-content: flex-start;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    border-left: 0;
  }
}

@media (max-width: 1080px) {

  .hero {
    gap: 4rem;
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  }

  .hero__copy h1 {
    font-size: clamp(4rem, 8.5vw, 6rem);
  }

  .ai-journey {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .practice-card {
    min-height: 410px;
  }
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding-top: 4.5rem;
    grid-template-columns: 1fr;
  }

  .hero__portrait {
    width: min(82%, 520px);
    justify-self: center;
  }

  .manifesto {
    grid-template-columns: 1fr;
  }

  .philosophy-band__heading {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .section-heading,
  .research-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: start;
  }

  .ai-journey {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .skills-panel__heading,
  .conversion-panel {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .practice-grid {
    grid-template-columns: 1fr;
  }

  .practice-card {
    min-height: 360px;
  }

  .research-intro {
    position: static;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .quote-card {
    min-height: 280px;
  }

}

@media (max-width: 680px) {
  .section-shell {
    width: min(100% - 2rem, 1280px);
  }

  .section-block {
    padding-block: 4rem;
  }

  .wordmark {
    min-width: 0;
    padding-inline: 1rem;
    border-right: 0;
  }

  .wordmark__text {
    display: none;
  }

  .theme-toggle {
    width: 52px;
    flex-basis: 52px;
  }

  .menu-button {
    padding-inline: 0.85rem;
  }

  .site-navigation.is-open {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 4.5rem;
    padding-block: 3.5rem 5rem;
  }

  .hero__copy h1 {
    font-size: clamp(3.55rem, 17vw, 4.5rem);
  }

  .hero__lede {
    font-size: 1.1rem;
  }

  .hero__actions,
  .button {
    width: 100%;
  }

  .hero__facts {
    grid-template-columns: 1fr;
  }

  .hero__facts div + div {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .hero__portrait {
    width: calc(100% - 1.2rem);
  }

  .portrait-frame {
    box-shadow: 12px 12px 0 var(--blue);
  }

  .portrait-frame__label--top {
    left: -0.6rem;
  }

  .portrait-frame__label--bottom {
    right: -0.6rem;
  }

  .manifesto {
    padding-block: 3.5rem;
  }

  .manifesto > p:last-child {
    font-size: clamp(2.3rem, 12vw, 3.5rem);
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
  }

  .philosophy-card {
    padding-block: 1rem;
  }

  .ai-journey {
    display: flex;
    overflow-x: auto;
    padding-bottom: 0.55rem;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .ai-journey__item {
    min-width: min(82vw, 310px);
    scroll-snap-align: start;
  }

  .skills-panel,
  .conversion-panel {
    padding: 1.25rem;
  }

  .section-heading h2,
  .research-intro h2,
  .contact-layout h2 {
    font-size: clamp(2.9rem, 14vw, 4.4rem);
  }

  .work-controls {
    align-items: stretch;
    flex-direction: column;
  }

  .filter-group {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.3rem;
    scrollbar-width: thin;
  }

  .filter-button {
    white-space: nowrap;
  }

  .search-field {
    min-width: 0;
  }

  .archive-status {
    align-items: flex-start;
    flex-direction: column;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .project-card,
  .project-card--feature {
    min-height: 285px;
    grid-column: auto;
  }

  .project-card--feature h3 {
    font-size: clamp(2.2rem, 11vw, 3.3rem);
  }

  .timeline-controls {
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .timeline-filter {
    white-space: nowrap;
  }

  .timeline::before {
    left: 6px;
  }

  .timeline-entry {
    gap: 0;
    grid-template-columns: 20px 1fr;
  }

  .timeline-entry__period {
    padding: 0 0 0.45rem 1rem;
    text-align: left;
    grid-column: 2;
    grid-row: 1;
  }

  .timeline-entry__marker {
    margin-top: 0.15rem;
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .timeline-entry__card {
    grid-column: 2;
    grid-row: 2;
  }

  .timeline-entry__topline {
    align-items: flex-start;
    flex-direction: column;
  }

  .foundation-grid {
    grid-template-columns: 1fr;
  }

  .foundation-card {
    min-height: 290px;
  }

  .contact-links a {
    align-items: start;
    grid-template-columns: 1fr auto;
  }

  .contact-links a span {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .site-footer {
    grid-template-columns: 1fr auto;
  }

  .site-footer p:nth-child(2) {
    display: none;
  }

  .contact-dock {
    right: calc(0.75rem + env(safe-area-inset-right));
    bottom: calc(0.75rem + env(safe-area-inset-bottom));
    align-items: center;
    flex-direction: row;
    gap: 0.45rem;
  }

  .contact-dock__link {
    width: 3rem;
    min-height: 3rem;
    grid-template-columns: 2.9rem max-content;
  }

  .contact-dock__icon {
    width: 2.9rem;
    min-height: 2.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}