@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@400;600&display=swap');

:root {
  --paper: #f5ead4;
  --paper-deep: #e8e0be;
  --ink: #17251d;
  --muted: #596159;
  --rule: #b9b2a2;
  --accent: #a84f31;
  --display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --body: Aptos, "Segoe UI", Helvetica, Arial, sans-serif;
  --handwriting: 'Caveat', 'Comic Sans MS', cursive;
  --type-display: clamp(3.25rem, 6.4vw, 6rem);
  --type-section: clamp(2.75rem, 5vw, 4rem);
  --type-subheading: clamp(1.5rem, 2.4vw, 2.35rem);
  --type-body: clamp(1rem, .96rem + .18vw, 1.125rem);
  --type-note: .82rem;
  --page: min(calc(100% - 2rem), 80rem);
  --header-height: 4.5rem;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
}

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

::selection {
  background: var(--accent);
  color: var(--paper);
}

html {
  scroll-behavior: smooth;
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3E%3Cline x1='15' y1='3' x2='15' y2='27' stroke='%2317251d' stroke-width='2' stroke-linecap='round'/%3E%3Cline x1='3' y1='15' x2='27' y2='15' stroke='%2317251d' stroke-width='2' stroke-linecap='round'/%3E%3Cline x1='6' y1='6' x2='24' y2='24' stroke='%2317251d' stroke-width='2' stroke-linecap='round'/%3E%3Cline x1='24' y1='6' x2='6' y2='24' stroke='%2317251d' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") 14 14, auto;
}

a, button, summary, [role="button"], label[for] {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3E%3Cline x1='15' y1='3' x2='15' y2='27' stroke='%23a84f31' stroke-width='2' stroke-linecap='round'/%3E%3Cline x1='3' y1='15' x2='27' y2='15' stroke='%23a84f31' stroke-width='2' stroke-linecap='round'/%3E%3Cline x1='6' y1='6' x2='24' y2='24' stroke='%23a84f31' stroke-width='2' stroke-linecap='round'/%3E%3Cline x1='24' y1='6' x2='6' y2='24' stroke='%23a84f31' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") 14 14, pointer;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: var(--type-body);
  line-height: 1.65;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .18;
  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='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
}

a {
  color: inherit;
}

:focus-visible {
  outline: .18rem solid var(--accent);
  outline-offset: .25rem;
}

.skip-link {
  position: fixed;
  inset: .75rem auto auto .75rem;
  z-index: 30;
  padding: .65rem .9rem;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-200%);
}

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

.site-footer,
main > section {
  width: var(--page);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  width: 100%;
  min-height: var(--header-height);
  border-bottom: 1px solid var(--rule);
  background: #efe3cd;
}

.site-header__inner {
  width: var(--page);
  margin-inline: auto;
  min-height: var(--header-height);
  display: flex;
  align-items: stretch;
  justify-content: space-between;
}

.identity {
  display: flex;
  align-items: center;
  font-family: var(--display);
  font-size: var(--type-subheading);
  text-decoration: none;
}

.identity__tail {
  display: inline-block;
  overflow: hidden;
  max-width: 5em;
  transition: max-width 400ms var(--ease-out);
}

.is-scrolled .identity__tail {
  max-width: 0;
}

.primary-navigation {
  display: flex;
  align-items: stretch;
  gap: clamp(1rem, 2.2vw, 2rem);
}

.primary-navigation a {
  position: relative;
  display: flex;
  align-items: center;
  font-size: var(--type-note);
  text-decoration: none;
}

.primary-navigation a::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms var(--ease-out);
}

.primary-navigation a:hover::after,
.primary-navigation a.is-active::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
}

.menu-toggle__hamburger,
.menu-toggle__close {
  display: block;
  width: 1.5rem;
  height: 1.5rem;
}

.menu-toggle__close {
  display: none;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__hamburger {
  display: none;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__close {
  display: block;
}

.menu-toggle--bottom {
  display: none;
}

section {
  scroll-margin-top: calc(var(--header-height) + 2rem);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
.technical-case h3,
.commitment h2 {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -.045em;
  text-wrap: balance;
}

.hero {
  width: 100%;
  min-height: auto;
  display: grid;
  align-content: center;
  padding-block: clamp(2.75rem, 4.5vw, 4rem) clamp(3rem, 6vw, 5rem);
  background: #efe3cd;
}

.hero__inner {
  width: var(--page);
  margin-inline: auto;
}

.hero__top {
  display: grid;
  grid-template-columns: minmax(18rem, 1fr) minmax(18rem, 1fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 4.5rem);
}

.hero__content,
.hero__media-wrap,
.transition__image,
.transition__copy,
.depth__top > *,
.ai-practice__layout > *,
.section-heading > *,
.commitment__inner > * {
  min-width: 0;
}

.hero__illustration {
  width: 100%;
  max-width: 100%;
  height: auto;
  justify-self: end;
}

.hero__eyebrow,
.commitment__eyebrow,
.trajectory-stage__label {
  margin-bottom: 1.25rem;
  color: var(--accent);
  font-size: var(--type-note);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 20ch;
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
  font-size: clamp(2.1rem, 3.6vw, 3.25rem);
  line-height: .98;
}

.hero__intro,
.hero__intent {
  max-width: 61ch;
}

.hero__intro {
  color: var(--ink);
}

.hero__intent {
  margin-top: 1rem;
  color: var(--muted);
}

.hero__actions {
  margin-top: 2rem;
}

.primary-link,
.contact__primary {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding: .7rem 1rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  transition: background 180ms ease, transform 180ms ease;
}

.primary-link:hover,
.contact__primary:hover {
  background: var(--accent);
}

.primary-link:active,
.contact__primary:active {
  transform: translateY(1px) scale(.99);
}

.text-link,
.contact__secondary {
  text-underline-offset: .3em;
  text-decoration-thickness: 1px;
}

.proof-list {
  margin: clamp(2rem, 4vw, 3.5rem) 0 0;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  border-top: 1px solid var(--rule);
}

.proof-list div {
  padding: 1.15rem 1rem 0 0;
}

.proof-list dt {
  font-family: var(--display);
  font-size: var(--type-subheading);
  line-height: 1;
}

.proof-list dd {
  max-width: 26ch;
  min-height: 3.3em;
  margin: .5rem 0 0;
  color: var(--muted);
  font-size: var(--type-note);
}

/* Skills ticker */
.hero__ticker {
  margin-top: 1.25rem;
  margin-bottom: .25rem;
  overflow: hidden;
}

.hero__ticker-track {
  display: flex;
  gap: 1.5rem;
  white-space: nowrap;
  width: max-content;
  animation: ticker-scroll 26s linear infinite;
  font-family: var(--handwriting);
  font-size: clamp(.95rem, 1.5vw, 1.1rem);
  font-weight: 600;
  color: var(--accent);
}

.hero__ticker-track span[aria-hidden] {
  color: var(--rule);
}

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Selected clients */
.hero__clients {
  margin-top: 2rem;
  display: flex;
  align-items: baseline;
  gap: 2rem;
}

.hero__clients-label {
  font-size: var(--type-note);
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.hero__clients-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero__clients-list li {
  font-family: var(--display);
  font-size: var(--type-note);
  color: var(--ink);
}

/* Work section */
.section.work {
  border-top: none;
}

.work__inner {
  width: var(--page);
  margin-inline: auto;
}

.project-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: clamp(2rem, 5vw, 4rem);
}

.project {
  border-top: 1px solid var(--rule);
  padding-top: 1.5rem;
}

.project h3 {
  font-family: var(--display);
  font-size: var(--type-subheading);
  font-weight: 400;
  margin-bottom: .75rem;
}

.project p {
  color: var(--muted);
  font-size: var(--type-note);
  max-width: 46ch;
}

.project__role {
  margin-top: .5rem;
  font-style: italic;
}

@media (max-width: 48rem) {
  .project-list {
    grid-template-columns: 1fr;
  }
}

.section {
  padding-block: clamp(5rem, 10vw, 9rem);
  border-top: 1px solid var(--rule);
}

.capabilities {
  width: 100%;
  border-top: none;
  background: #f5e8d0;
}

.capabilities__inner {
  width: var(--page);
  margin-inline: auto;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(12rem, .7fr) minmax(0, 1.5fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: start;
  margin-bottom: clamp(3rem, 7vw, 6rem);
}

.section-heading h2 {
  max-width: 12ch;
  margin-bottom: 0;
  font-size: var(--type-section);
  line-height: .95;
}

.section-heading p {
  max-width: 56ch;
  margin-bottom: 0;
  margin-top: 0;
  color: var(--muted);
}

.depth__top {
  display: grid;
  grid-template-columns: minmax(18rem, 1fr) minmax(18rem, 1fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 4.5rem);
  margin-bottom: clamp(3rem, 7vw, 6rem);
}

.depth__top .section-heading {
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-bottom: 0;
}

.depth__illustration {
  width: 100%;
  height: auto;
}

.capabilities__layout {
  display: grid;
  grid-template-columns: minmax(18rem, 1fr) minmax(18rem, 1fr);
  align-items: start;
  gap: clamp(2rem, 6vw, 4.5rem);
}

.capabilities__copy .section-heading {
  display: block;
  margin-bottom: 1.5rem;
}

.capabilities__copy .section-heading h2 {
  margin-bottom: 1.2rem;
}

.capabilities__illustration {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
}

.contribution {
  width: 100%;
  padding-block: 0;
}

.contribution__sticky-track {
  height: 500vh;
}

.contribution__sticky {
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  width: var(--page);
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(16rem, .42fr) 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
  padding-block: clamp(2.5rem, 4vw, 4rem);
}

.contribution__left {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contribution__left h2 {
  max-width: 12ch;
  font-size: var(--type-section);
  line-height: .95;
  margin-bottom: 0;
}

.contribution__nav {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.contribution__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--rule);
  background: none;
  color: var(--ink);
  flex-shrink: 0;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.contribution__arrow:hover:not(:disabled) {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.contribution__arrow:disabled {
  opacity: .3;
}

.contribution__arrow svg {
  width: 1rem;
  height: 1rem;
}

.contribution__counter {
  font-size: var(--type-note);
  color: var(--muted);
  min-width: 5.5ch;
  text-align: center;
}

.contribution__cards {
  position: relative;
  height: 100%;
  max-height: min(72vh, 40rem);
  align-self: center;
  overflow: hidden;
  background: var(--ink);
  border-radius: 2px;
}

.contribution-lane {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: clamp(2rem, 5vw, 3.5rem);
  padding: clamp(2rem, 4vw, 3.5rem);
  transform: translateY(105%);
  opacity: 0;
  transition: transform 600ms var(--ease-out), opacity 400ms ease;
  will-change: transform, opacity;
}

.contribution-lane.is-active {
  transform: translateY(0);
  opacity: 1;
}

.contribution-lane.is-past {
  transform: translateY(-105%);
  opacity: 0;
}

.contribution-lane h3 {
  max-width: 22ch;
  margin-bottom: 1.25rem;
  font-family: var(--display);
  font-size: var(--type-subheading);
  font-weight: 400;
  line-height: 1.05;
  color: var(--paper);
}

.contribution-lane p {
  max-width: 46ch;
  margin-bottom: 0;
  color: rgba(245, 234, 212, 0.6);
}


.depth {
  width: 100%;
  border-top: none;
  border-bottom: none;
  background: #F1DFC4;
}

.depth__inner {
  width: min(100%, 88rem);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 4rem);
}

.technical-cases {
  display: grid;
  grid-template-columns: 1fr;
}

.technical-case {
  min-width: 0;
  border-top: 1px solid var(--rule);
}

.technical-case__heading {
  margin-bottom: 0;
}

.technical-case__toggle {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  width: 100%;
  padding-block: clamp(1.75rem, 4vw, 2.75rem);
  background: none;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.technical-case__number {
  flex-shrink: 0;
  color: var(--accent);
  font-size: var(--type-note);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.technical-case__title {
  flex: 1;
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: -.045em;
  text-wrap: balance;
  font-size: var(--type-subheading);
  line-height: 1.05;
}

.technical-case__arrow {
  flex-shrink: 0;
  margin-left: auto;
  width: clamp(3rem, 6vw, 4.5rem);
  color: var(--ink);
}

.technical-case__arrow svg {
  display: block;
  width: 100%;
  height: auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 220ms var(--ease-out);
}

.technical-case__toggle[aria-expanded="true"] .technical-case__arrow svg {
  transform: rotate(90deg);
}

.technical-case__panel {
  padding-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.technical-case__lead {
  max-width: 60ch;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--muted);
}

.case-evidence-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
}

.case-evidence {
  min-width: 0;
  padding: clamp(1.25rem, 2.5vw, 2rem);
}

.case-evidence + .case-evidence {
  border-left: 1px solid var(--rule);
}

.case-evidence p {
  margin-bottom: 0;
}

.case-evidence--result {
  background: var(--accent);
  color: var(--paper);
}

.capability-list {
  border-bottom: 1px solid var(--rule);
}

.capability-group {
  border-top: 1px solid var(--rule);
}

.capability-group__heading {
  margin-bottom: 0;
}

.capability-group__toggle {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  width: 100%;
  padding-block: clamp(1.25rem, 3vw, 2rem);
  background: none;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.capability-group__toggle::after {
  content: '+';
  flex-shrink: 0;
  margin-left: auto;
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--muted);
  transition: transform 220ms var(--ease-out);
}

.capability-group__toggle[aria-expanded="true"]::after {
  transform: rotate(45deg);
}

.capability-group__title {
  flex: 1;
  font-family: var(--display);
  font-weight: 400;
  font-size: calc(var(--type-subheading) * 0.7);
  line-height: 1.05;
}

.capability-group__panel {
  padding-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.capability-group__panel > p {
  color: var(--muted);
}

.skill-list {
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .45rem;
  list-style: none;
  font-size: var(--type-note);
}

.skill-list li {
  padding-top: .45rem;
  border-top: 1px solid color-mix(in srgb, var(--rule), transparent 25%);
}

.ai-practice {
  width: 100%;
  border-top: none;
  background: #eee2c9;
}

.ai-practice__inner {
  width: var(--page);
  margin-inline: auto;
}

.ai-practice__layout {
  display: grid;
  grid-template-columns: minmax(18rem, 1fr) minmax(18rem, 1fr);
  align-items: start;
  gap: clamp(2rem, 6vw, 4.5rem);
}

.ai-practice .section-heading {
  display: block;
  margin-bottom: 1.5rem;
}

.ai-practice .section-heading h2 {
  margin-bottom: 1rem;
}

.ai-practice__frame {
  position: relative;
  padding: .6rem;
  border: 1px solid var(--rule);
  overflow: hidden;
}

.ai-practice__illustration {
  display: block;
  width: 100%;
  height: auto;
}

.ai-practice__media .text-link {
  display: inline-block;
  margin-top: 1.25rem;
}

.ai-practice__copy {
  max-width: none;
}

.ai-practice__copy p:last-child {
  margin-bottom: 2rem;
}

.experience {
  width: 100%;
}

.experience__inner {
  width: var(--page);
  margin-inline: auto;
}

.trajectory {
  margin: 0;
  padding: 0;
  list-style: none;
}

.trajectory-stage {
  display: grid;
  grid-template-columns: minmax(10rem, .45fr) minmax(16rem, .9fr) minmax(20rem, 1.2fr);
  gap: clamp(1rem, 3vw, 3rem);
  padding-block: clamp(1.5rem, 3vw, 2.5rem);
  border-top: 1px solid var(--rule);
}

.trajectory-stage h3 {
  margin-bottom: 0;
  font-family: var(--display);
  font-size: var(--type-subheading);
  font-weight: 400;
  line-height: 1;
}

.trajectory-stage > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.education-summary {
  margin: 2rem 0 0;
}

.selected-initiative {
  margin-top: clamp(3rem, 7vw, 6rem);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--ink);
  color: var(--paper);
}

.selected-initiative h3 {
  margin-bottom: 2rem;
  font-family: var(--display);
  font-size: var(--type-subheading);
  font-weight: 400;
}

.selected-initiative ul {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(2rem, 5vw, 5rem);
  list-style: none;
}

.initiative-item {
  padding-block: 1rem;
  border-top: 1px solid rgba(238, 234, 222, .35);
}

.commitment {
  width: 100%;
  padding-block: clamp(7rem, 14vw, 12rem);
  border-top-color: var(--rule);
}

.commitment__inner {
  width: var(--page);
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(17rem, .5fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: end;
}

.commitment h2 {
  max-width: 12ch;
  margin-bottom: 2rem;
  font-size: var(--type-display);
  line-height: .93;
}

.commitment__copy > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.commitment__contact {
  display: grid;
  gap: .75rem;
}

.commitment__contact > p {
  margin-bottom: .5rem;
  color: var(--muted);
  font-size: var(--type-note);
}

.contact__education {
  margin-bottom: .5rem;
  color: var(--muted);
  font-size: var(--type-note);
}

.contact__portrait {
  width: min(12rem, 65%);
  aspect-ratio: 1;
  margin: 0 0 1.25rem;
  overflow: hidden;
  border-radius: 50%;
  background: var(--paper-deep);
  filter: grayscale(1);
}

.contact__portrait img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.contact__tags {
  margin: .6rem 0 0;
  font-family: var(--handwriting);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: .01em;
}

.handwritten-note {
  font-family: var(--handwriting);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-weight: 600;
  color: var(--accent);
  line-height: 1.4;
  margin-top: 1.25rem;
}

.contact__primary {
  justify-self: start;
}

.contact__secondary {
  justify-self: start;
}

.site-footer {
  min-height: 7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--rule);
  font-size: var(--type-note);
}

.site-footer p {
  margin-bottom: 0;
}

.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 650ms ease, transform 650ms var(--ease-out);
}

.reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 64rem) {
  .project {
    grid-template-columns: minmax(10rem, .6fr) minmax(0, 1.4fr);
  }

  .project__responsibility {
    grid-column: 2;
  }

  .project__link {
    grid-column: 2;
    justify-self: start;
  }

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

  .case-evidence:nth-child(3),
  .case-evidence:nth-child(4) {
    border-top: 1px solid var(--rule);
  }

  .case-evidence:nth-child(3) {
    border-left: 0;
  }
}

@media (max-width: 48rem) {
  :root {
    --page: min(calc(100% - 2.5rem), 80rem);
    --type-display: clamp(2.5rem, 12vw, 3.8rem);
    --type-section: clamp(1.75rem, 7.5vw, 2.4rem);
    --type-subheading: clamp(1.25rem, 5vw, 1.75rem);
  }

  .section {
    padding-block: clamp(3rem, 8vw, 5rem);
  }

  .hero h1 {
    line-height: 1.05;
  }

  .contribution-lane h3,
  .trajectory-stage h3,
  .proof-list dt,
  .selected-initiative h3 {
    line-height: 1.2;
  }

  .menu-toggle {
    display: inline-flex;
    min-width: 3rem;
    min-height: 3rem;
    align-items: center;
    justify-content: center;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
  }

  .menu-toggle--bottom {
    display: inline-flex;
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 20;
    width: 3.25rem;
    height: 3.25rem;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 50%;
    background: var(--ink);
    color: var(--paper);
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0,0,0,.18);
  }

  .primary-navigation {
    position: fixed;
    inset: var(--header-height) 0 auto;
    z-index: 15;
    display: grid;
    padding: 1rem 0 1.5rem;
    background: var(--paper);
    border-bottom: 1px solid var(--ink);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-100%);
    pointer-events: none;
    transition: visibility 0s 280ms, opacity 280ms ease, transform 280ms var(--ease-out);
  }

  .primary-navigation.is-open--from-bottom {
    inset: auto 0 5rem;
    border-bottom: none;
    border-top: 1px solid var(--ink);
    transform: translateY(100%);
  }

  .primary-navigation.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    transition-delay: 0s;
  }

  .primary-navigation a {
    padding-inline: 1.5rem;
    font-size: 1.125rem;
  }

  .primary-navigation a {
    min-height: 2.75rem;
    display: flex;
    align-items: center;
  }

  .hero {
    padding-block: 0 3rem;
  }

  .hero__top {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }

  .hero__media-wrap {
    order: -1;
    width: 100%;
  }

  .person-trigger {
    display: none;
  }

  .person-panel {
    display: none !important;
  }

  .depth__top {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
  }

  .depth__illustration {
    width: min(100%, 18rem);
    margin-inline: auto;
  }

  .capabilities__layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }

  .capabilities__media {
    order: -1;
    width: min(100%, 18rem);
    margin-inline: auto;
  }

  .proof-list,
  .case-evidence-grid,
  .selected-initiative ul {
    grid-template-columns: minmax(0, 1fr);
  }

  .contribution__sticky-track {
    height: auto;
  }

  .contribution__sticky {
    position: static;
    height: auto;
    grid-template-columns: 1fr;
    padding-block: clamp(3rem, 8vw, 5rem);
    gap: 2rem;
    align-items: start;
  }

  .contribution__cards {
    height: auto;
    max-height: none;
    overflow: visible;
    display: grid;
    gap: 1px;
    background: var(--rule);
    border: 1px solid var(--rule);
  }

  .contribution-lane {
    position: static;
    transform: none;
    opacity: 1;
    transition: none;
    background: var(--ink);
  }

  .contribution__nav {
    display: none;
  }

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

  .transition__image {
    max-width: 16rem;
    margin-inline: auto;
  }

  .proof-list div {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--rule);
  }

  .section-heading,
  .trajectory-stage,
  .commitment__inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .ai-practice__layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }

  .ai-practice__media {
    order: -1;
    width: min(100%, 22rem);
    margin-inline: auto;
  }

  .section-heading {
    gap: 1rem;
    margin-bottom: 3rem;
  }

  .section-heading h2 {
    max-width: 11ch;
  }

  .case-evidence + .case-evidence {
    border-left: 0;
    border-top: 1px solid var(--rule);
  }

  .technical-case__toggle,
  .capability-group__toggle {
    gap: .75rem;
  }

  .technical-case__title,
  .capability-group__title {
    max-width: 20ch;
  }

  .trajectory-stage {
    gap: .75rem;
  }

  .trajectory-stage__label {
    margin-bottom: 0;
  }

  .commitment__inner {
    align-items: start;
  }

  .contact__portrait {
    width: 8rem;
  }

  .site-footer {
    gap: 1rem;
    align-items: flex-start;
  }
}

/* ── Person trigger ─────────────────────────────────────── */

.person-trigger {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem .75rem;
  border: 0;
  background: none;
  color: inherit;
  font-family: var(--body);
  font-size: var(--type-note);
}

.person-trigger img {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  object-fit: cover;
  filter: grayscale(1);
  border: 1px solid var(--rule);
  flex-shrink: 0;
}

.person-trigger__label {
  white-space: nowrap;
}

/* ── Person panel ───────────────────────────────────────── */

.person-panel {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: none;
  grid-template-columns: 1fr min(100%, 36rem);
}

.person-panel.is-open {
  display: grid;
}

.person-panel__backdrop {
  background: rgba(23, 37, 29, .45);
}

.person-panel__sheet {
  background: var(--paper);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.person-panel__header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}

.person-panel__title {
  margin-bottom: 0;
  font-family: var(--display);
  font-size: var(--type-subheading);
  font-weight: 400;
  letter-spacing: -.03em;
}

.person-panel__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: none;
  color: inherit;
}

.person-panel__close svg {
  width: 1.25rem;
  height: 1.25rem;
}

.person-panel__body {
  padding: 1.5rem;
  flex: 1;
}

.person-panel__video-slot:empty {
  display: none;
}

.person-quote {
  margin: 0 0 2rem;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--accent);
  font-style: italic;
  color: var(--muted);
  font-size: var(--type-note);
}

.person-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.person-card {
  background: var(--paper);
  padding: 1.25rem;
  min-width: 0;
}

.person-card--wide {
  grid-column: 1 / -1;
}

.person-card__label {
  margin-bottom: .75rem;
  font-size: calc(var(--type-note) * .9);
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--accent);
}

.person-card__mbti {
  margin-bottom: .75rem;
}

.person-card__type {
  display: block;
  font-family: var(--display);
  font-size: calc(var(--type-subheading) * 1.15);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -.045em;
}

.person-card__type-name {
  display: block;
  color: var(--muted);
  font-size: var(--type-note);
  margin-top: .25rem;
}

.person-card__stat {
  font-family: var(--display);
  font-size: var(--type-section);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -.045em;
  margin-bottom: .5rem;
}

.person-card__stat span {
  color: var(--accent);
}

.person-card__heading {
  font-family: var(--display);
  font-size: var(--type-subheading);
  font-weight: 400;
  letter-spacing: -.045em;
  margin-bottom: .5rem;
  line-height: 1.05;
}

.person-card__body {
  margin-bottom: 0;
  color: var(--muted);
  font-size: var(--type-note);
}

.person-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1rem;
}

.person-card__tags span {
  padding: .25rem .6rem;
  background: var(--paper-deep);
  font-size: var(--type-note);
}

.person-card__chips {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  margin-top: .5rem;
}

.person-card__chips span {
  font-size: var(--type-note);
  color: var(--muted);
}

.person-strengths {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.person-strengths li {
  font-size: var(--type-note);
  color: var(--muted);
  padding: .5rem 0;
  border-top: 1px solid var(--rule);
}

.person-strengths li:first-child {
  border-top: 0;
  padding-top: 0;
}

/* ── Transition section ─────────────────────────────────── */

.transition-section {
  border-top: none;
  padding-top: 0;
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

.transition__inner {
  width: var(--page);
  margin-inline: auto;
}

.transition__layout {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.transition__image,
.transition__copy {
  flex: 1 1 20rem;
  min-width: 0;
}

.transition__image-placeholder {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--paper-deep);
  border: 1px solid var(--rule);
}

.transition__image-img {
  width: 100%;
  height: auto;
  display: block;
}

.transition__copy h2 {
  max-width: 15ch;
  margin-bottom: 1.5rem;
  font-family: var(--display);
  font-size: var(--type-section);
  font-weight: 400;
  letter-spacing: -.045em;
  line-height: .95;
}

.transition__copy p {
  max-width: 56ch;
  color: var(--muted);
}

.transition__copy > p:last-child {
  margin-bottom: 0;
}

/* ── Hero greeting ──────────────────────────────────────── */

.hero__greeting {
  margin-bottom: .75rem;
  color: var(--accent);
  font-family: var(--handwriting);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  line-height: 1;
}

/* ── Hero media wrap + callout ──────────────────────────── */

.hero__media-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-self: end;
}

.hero__callout {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  margin: 0;
  padding: 0;
  border-left: none;
  font-family: var(--handwriting);
  font-style: normal;
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  font-weight: 400;
  color: var(--paper);
  text-shadow: 0 1px 10px rgba(0,0,0,.65);
  line-height: 1.4;
  max-width: 32ch;
  opacity: 1;
  pointer-events: none;
  z-index: 1;
}

/* ── Contribution standout line ─────────────────────────── */

.contribution__standout {
  margin: 0;
  max-width: 34ch;
  font-family: var(--body);
  font-size: var(--type-body);
  font-weight: 400;
  line-height: 1.55;
  color: var(--muted);
}

/* ── Case practical callout ─────────────────────────────── */

.case-practical {
  margin: 1.5rem 0 0;
  padding: .9rem 1.25rem;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-left: 3px solid var(--accent);
  font-size: var(--type-note);
}

.case-practical__label {
  display: block;
  margin-bottom: .3rem;
  font-size: calc(var(--type-note) * .85);
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ── AI callout ─────────────────────────────────────────── */

.ai-callout {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  margin: 0;
  padding: 0;
  border-left: none;
  font-family: var(--handwriting);
  font-style: normal;
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  font-weight: 400;
  color: var(--paper);
  text-shadow: 0 1px 10px rgba(0,0,0,.65);
  line-height: 1.4;
  max-width: 32ch;
  opacity: 1;
  pointer-events: none;
  z-index: 1;
}

/* ── Commitment final statement ─────────────────────────── */

.commitment__final-statement {
  margin-top: 1.75rem;
  margin-bottom: 0;
  font-family: var(--display);
  font-size: clamp(1.1rem, 1.8vw, 1.45rem);
  font-weight: 400;
  letter-spacing: -.03em;
  line-height: 1.2;
  color: var(--ink);
}

/* ── Loading screen ─────────────────────────────────────── */

.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 200;
  overflow: hidden;
  transition: opacity 400ms ease;
}

.loading-screen::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(to right, rgba(0,0,0,.5) 0%, rgba(0,0,0,.15) 42%, transparent 68%),
    linear-gradient(to bottom, rgba(0,0,0,.2) 0%, transparent 45%);
  pointer-events: none;
}

.loading-screen.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-screen__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% center;
}

.loading-screen__content {
  position: absolute;
  top: 14%;
  left: 5%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.loading-screen__message {
  margin: 0;
  font-family: var(--handwriting);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 600;
  color: #fff;
  line-height: 1.25;
  text-shadow: 0 1px 3px rgba(0,0,0,.7), 0 4px 20px rgba(0,0,0,.5);
}

/* Sketched bar loader */
.loading-screen__bar {
  width: clamp(10rem, 24vw, 15rem);
  height: auto;
}

.bar-fill-rect {
  transition: width 0.1s linear;
}

/* Paper veil — torn top edge, sweeps up from below */
.loading-screen__veil {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 115%;
  background: var(--paper);
  transform: translateY(100%);
  z-index: 3;
  clip-path: polygon(
    0% 10%,
    1.8% 5%,  4% 11%,  7.5% 4%,  9.5% 8%,
    12% 3%,   14% 9%,  17% 5%,   19.5% 12%,
    22% 4%,   25% 8%,  27% 3%,   30% 10%,
    32.5% 5%, 35% 9%,  38% 3%,   40% 8%,
    43% 5%,   45.5% 12%, 48% 4%, 51% 8%,
    53% 3%,   56% 10%, 58% 5%,   61% 9%,
    64% 3%,   66.5% 8%, 69% 5%,  72% 12%,
    74% 4%,   77% 8%,  79.5% 3%, 82% 9%,
    85% 5%,   87% 11%, 90% 4%,   92.5% 8%,
    95% 3%,   97.5% 9%, 100% 5%,
    100% 100%, 0% 100%
  );
  transition: transform 1900ms cubic-bezier(.16, 1, .3, 1);
}

.loading-screen.is-sweeping .loading-screen__veil {
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal-ready [data-reveal] {
    opacity: 1;
    transform: none;
  }

}

/* ── Late mobile overrides (selectors defined after the main breakpoint block) ── */
@media (max-width: 48rem) {
  .person-trigger {
    display: none;
  }

  .menu-toggle {
    margin-left: auto;
  }

  .transition__image {
    max-width: 16rem;
    margin-inline: auto;
  }
}