:root {
  --paper: #f7f3ed;
  --paper-raised: #fffdf9;
  --slate: #27343e;
  --slate-soft: #4a5964;
  --muted: #687680;
  --line: #c9cbc7;
  --line-dark: #68747d;
  --coral: #c94f43;
  --coral-soft: #f2b2aa;
  --teal: #4da9a2;
  --teal-dark: #176f6b;
  --teal-pale: #d8efec;
  --blue-focus: #0758a8;
  --white: #ffffff;
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --font-body: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --text-xs: 0.72rem;
  --text-micro: 0.65rem;
  --text-sm: 0.86rem;
  --text-base: 1rem;
  --text-md: 1.08rem;
  --text-lg: clamp(1.14rem, 1.8vw, 1.38rem);
  --text-h3: clamp(1.35rem, 2vw, 1.72rem);
  --text-h2: clamp(2.05rem, 4.2vw, 3.75rem);
  --text-h1: clamp(3rem, 6vw, 5.6rem);
  --leading-tight: 1;
  --leading-heading: 1.08;
  --leading-body: 1.62;
  --tracking-wide: 0.1em;
  --tracking-wider: 0.15em;
  --space-1: 0.3rem;
  --space-2: 0.55rem;
  --space-3: 0.8rem;
  --space-4: 1.1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: clamp(5rem, 9vw, 8rem);
  --gutter: clamp(1.2rem, 4vw, 3.5rem);
  --content: 78rem;
  --copy: 48rem;
  --target: 2.75rem;
  --border: 1px;
  --border-heavy: 2px;
  --radius-sm: 0.35rem;
  --radius-md: 0.8rem;
  --radius-round: 999px;
  --shadow: 0.45rem 0.45rem 0 var(--slate);
  --duration-fast: 160ms;
  --duration-enter: 560ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--target) + var(--space-5));
}

body {
  margin: 0;
  color: var(--slate);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--slate) 3%, transparent) var(--border), transparent var(--border)),
    linear-gradient(to bottom, color-mix(in srgb, var(--slate) 3%, transparent) var(--border), transparent var(--border));
  background-size: var(--space-7) var(--space-7);
  content: "";
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration-thickness: var(--border);
  text-underline-offset: var(--space-1);
}

a:hover {
  text-decoration-thickness: var(--border-heavy);
}

a:focus-visible {
  outline: var(--border-heavy) solid var(--blue-focus);
  outline-offset: var(--space-1);
}

p,
h1,
h2,
h3,
dl,
dd {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
}

main:focus {
  outline: none;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-2) var(--space-4);
  color: var(--white);
  background: var(--blue-focus);
  transform: translateY(calc(-100% - var(--space-5)));
  transition: transform var(--duration-fast) ease;
}

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

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  min-height: calc(var(--target) + var(--space-4));
  padding: var(--space-3) var(--gutter);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  border-bottom: var(--border) solid var(--line-dark);
  color: var(--paper);
  background: color-mix(in srgb, var(--slate) 97%, transparent);
  backdrop-filter: blur(var(--space-3));
}

.identity {
  display: inline-flex;
  min-height: var(--target);
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
}

.identity-mark {
  display: grid;
  width: var(--target);
  height: var(--target);
  place-items: center;
  border: var(--border) solid var(--paper);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-2), 2vw, var(--space-5));
}

.site-header nav a {
  display: inline-flex;
  min-height: var(--target);
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  text-transform: uppercase;
}

.site-header nav a:hover,
.site-header nav a[aria-current="true"] {
  color: var(--teal-pale);
}

.nav-contact {
  padding-inline: var(--space-4);
  border: var(--border) solid currentColor;
}

.hero {
  display: grid;
  max-width: var(--content);
  margin-inline: auto;
  padding: var(--space-8) var(--gutter) var(--space-7);
  align-items: center;
  grid-template-columns: minmax(13rem, 0.52fr) minmax(0, 1.48fr);
  gap: clamp(var(--space-6), 5vw, var(--space-8));
}

.portrait-frame {
  position: relative;
  width: min(100%, 23rem);
  aspect-ratio: 0.79;
  justify-self: center;
}

.portrait-frame::before {
  position: absolute;
  inset: var(--space-3) calc(var(--space-3) * -1) calc(var(--space-3) * -1) var(--space-3);
  border: var(--border-heavy) solid var(--slate);
  border-radius: 50%;
  background: var(--teal-pale);
  content: "";
}

.portrait-frame::after {
  position: absolute;
  top: var(--space-5);
  right: calc(var(--space-4) * -1);
  width: var(--space-7);
  height: var(--space-2);
  background: var(--coral);
  content: "";
  transform: rotate(-8deg);
}

.portrait-frame img {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  border: var(--border-heavy) solid var(--slate);
  border-radius: 50%;
  object-fit: cover;
  object-position: 50% 42%;
}

.eyebrow,
.section-label,
.card-type,
.delivery-stage > span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: var(--space-4);
  color: var(--teal-dark);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 500;
}

h1 {
  font-size: var(--text-h1);
  line-height: var(--leading-tight);
  letter-spacing: -0.05em;
}

.role {
  margin-top: var(--space-3);
  color: var(--coral);
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.2vw, 2.75rem);
  font-weight: 500;
  line-height: var(--leading-heading);
}

.role span {
  color: var(--teal-dark);
  font-style: italic;
}

.hero-summary {
  max-width: 49rem;
  margin-top: var(--space-5);
  color: var(--slate-soft);
  font-size: var(--text-lg);
  line-height: 1.55;
}

.hero-background {
  max-width: 49rem;
  margin-top: var(--space-4);
  padding-left: var(--space-4);
  border-left: var(--space-1) solid var(--teal);
  color: var(--slate-soft);
  font-size: var(--text-md);
}

.hero-actions {
  display: flex;
  margin-top: var(--space-6);
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
}

.hero-actions a {
  display: inline-flex;
  min-height: var(--target);
  align-items: center;
  gap: var(--space-2);
  color: var(--teal-dark);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
}

.button {
  padding: var(--space-3) var(--space-5);
  justify-content: center;
  border: var(--border-heavy) solid var(--slate);
  color: var(--paper) !important;
  background: var(--slate);
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  text-transform: uppercase;
  transition: transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

.button:hover {
  box-shadow: var(--space-2) var(--space-2) 0 var(--coral);
  transform: translate(calc(var(--space-1) * -1), calc(var(--space-1) * -1));
}

.career-facts {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: var(--border) solid var(--line-dark);
}

.career-facts div {
  display: grid;
  min-height: 8.5rem;
  padding: var(--space-5);
  align-content: start;
  gap: var(--space-2);
}

.career-facts div + div {
  border-left: var(--border) solid var(--line);
}

.career-facts dt {
  color: var(--coral);
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 600;
  line-height: var(--leading-heading);
}

.career-facts dd {
  max-width: 27ch;
  color: var(--slate-soft);
  font-size: var(--text-sm);
  line-height: 1.55;
}

.section {
  max-width: var(--content);
  margin-inline: auto;
  padding: var(--space-9) var(--gutter);
  border-top: var(--border) solid var(--line-dark);
}

.section-heading {
  display: grid;
  margin-bottom: var(--space-7);
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  column-gap: var(--space-7);
  align-items: start;
}

.section-label {
  min-width: 10rem;
  padding: var(--space-3) var(--space-4);
  grid-column: 2;
  grid-row: 1 / span 2;
  border: var(--border) solid var(--teal-dark);
  color: var(--teal-dark);
  background: var(--teal-pale);
  text-align: center;
}

.section-heading h2 {
  max-width: 20ch;
  grid-column: 1;
  grid-row: 1;
  font-size: var(--text-h2);
  line-height: var(--leading-heading);
  letter-spacing: -0.035em;
}

.section-heading > p:last-child {
  max-width: var(--copy);
  margin-top: var(--space-5);
  grid-column: 1;
  grid-row: 2;
  color: var(--slate-soft);
  font-size: var(--text-md);
}

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

.section-heading-compact h2 {
  max-width: 20ch;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.case-card,
.project-card,
.system-card,
.background-card {
  padding: var(--space-6);
  border: var(--border) solid var(--line-dark);
  background: color-mix(in srgb, var(--paper-raised) 91%, transparent);
}

.card-type {
  margin-bottom: var(--space-4);
  color: var(--teal-dark);
}

.case-card h3,
.project-card h3,
.system-card h3,
.background-card h3,
.delivery-stage h3 {
  font-size: var(--text-h3);
  line-height: var(--leading-heading);
}

.case-card > p:not(.stack-line),
.project-card > p:not(.card-type),
.system-card > p:not(.card-type, .stack-line),
.background-card p,
.delivery-stage p {
  margin-top: var(--space-4);
  color: var(--slate-soft);
}

.stack-line {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: var(--border) solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.capability-section {
  position: relative;
}

.capability-section::before {
  position: absolute;
  z-index: -1;
  inset: 0 calc(50% - 50vw);
  background: var(--slate);
  content: "";
}

.capability-section,
.capability-section .section-heading > p:last-child {
  color: var(--paper);
}

.capability-section .section-label {
  border-color: var(--teal-pale);
  color: var(--slate);
  background: var(--teal-pale);
}

.delivery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: var(--border) solid var(--line-dark);
  list-style: none;
}

.delivery-stage {
  padding: var(--space-5);
}

.delivery-stage:not(:nth-child(4n + 1)) {
  border-left: var(--border) solid var(--line-dark);
}

.delivery-stage:nth-child(n + 5) {
  border-top: var(--border) solid var(--line-dark);
}

.delivery-stage > span {
  color: var(--teal-pale);
}

.delivery-stage h3 {
  margin-top: var(--space-4);
}

.delivery-stage p {
  color: color-mix(in srgb, var(--paper) 78%, transparent);
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.system-card {
  display: flex;
  min-height: 24rem;
  flex-direction: column;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.project-card {
  display: flex;
  min-height: 20rem;
  flex-direction: column;
}

.project-card a {
  display: inline-flex;
  min-height: var(--target);
  margin-top: auto;
  padding-top: var(--space-5);
  align-items: center;
  gap: var(--space-2);
  color: var(--teal-dark);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
}

.background-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.background-card {
  border-top: var(--space-1) solid var(--coral);
}

.contact-section {
  position: relative;
  display: grid;
  max-width: var(--content);
  margin-inline: auto;
  padding: var(--space-8) var(--gutter);
  grid-template-columns: minmax(0, 0.8fr) minmax(22rem, 1.2fr);
  align-items: stretch;
  gap: var(--space-7);
  color: var(--paper);
  background: var(--slate);
  overflow: hidden;
}

.contact-section::before {
  position: absolute;
  top: var(--space-7);
  right: calc(var(--space-7) * -1);
  width: calc(var(--space-9) * 1.5);
  aspect-ratio: 1;
  border: var(--border-heavy) solid var(--teal);
  border-radius: 50%;
  content: "";
  opacity: 0.5;
}

.contact-heading {
  position: relative;
  z-index: 1;
  align-self: center;
}

.contact-heading h2 {
  margin-top: var(--space-3);
  font-size: var(--text-h2);
}

.contact-heading > p:last-child {
  max-width: 28rem;
  margin-top: var(--space-4);
  color: color-mix(in srgb, var(--paper) 74%, transparent);
}

.contact-section .section-label,
.contact-panel > p {
  color: var(--teal-pale);
}

.contact-heading .section-label {
  display: inline-block;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
}

.contact-panel {
  position: relative;
  z-index: 1;
  padding: var(--space-6);
  border: var(--border) solid var(--line-dark);
  background: color-mix(in srgb, var(--slate) 84%, var(--teal-dark));
}

.contact-panel > p {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.contact-email {
  display: flex;
  min-height: var(--target);
  margin-top: var(--space-5);
  padding-block: var(--space-4);
  flex-direction: column;
  justify-content: center;
  border-block: var(--border) solid var(--line-dark);
  text-decoration: none;
}

.contact-email span {
  color: var(--coral-soft);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.contact-email strong {
  margin-top: var(--space-1);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 500;
}

.contact-social {
  display: flex;
  margin-top: var(--space-4);
  flex-wrap: wrap;
  gap: var(--space-5);
}

.contact-social a {
  display: inline-flex;
  min-height: var(--target);
  align-items: center;
  gap: var(--space-2);
  color: var(--teal-pale);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
}

footer {
  display: flex;
  max-width: var(--content);
  margin-inline: auto;
  padding: var(--space-5) var(--gutter);
  justify-content: space-between;
  gap: var(--space-5);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

footer a {
  display: inline-flex;
  min-height: var(--target);
  align-items: center;
}

.js .reveal {
  opacity: 0;
  transform: translateY(var(--space-4));
  transition: opacity var(--duration-enter) var(--ease-out), transform var(--duration-enter) var(--ease-out);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1050px) {
  .identity > span:last-child {
    display: none;
  }

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

  .delivery-stage:not(:nth-child(4n + 1)) {
    border-left: 0;
  }

  .delivery-stage:nth-child(even) {
    border-left: var(--border) solid var(--line-dark);
  }

  .delivery-stage:nth-child(n + 3) {
    border-top: var(--border) solid var(--line-dark);
  }

  .contact-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
  }

  .site-header nav {
    max-width: 25rem;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .site-header nav a {
    min-height: var(--target);
  }

  .hero {
    grid-template-columns: minmax(10rem, 0.45fr) minmax(0, 1.55fr);
  }

  .portrait-frame {
    align-self: start;
  }

  .section-heading {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }

  .section-heading > p:last-child {
    grid-column: 1;
    grid-row: 3;
  }

  .section-heading .section-label {
    width: fit-content;
    min-width: 0;
    grid-column: 1;
    grid-row: 1;
  }

  .section-heading h2 {
    grid-column: 1;
    grid-row: 2;
    margin-top: var(--space-4);
  }

  .system-grid,
  .background-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    position: static;
    padding-block: var(--space-2);
  }

  .identity-mark {
    width: calc(var(--target) - var(--space-1));
    height: calc(var(--target) - var(--space-1));
  }

  .site-header nav {
    gap: var(--space-1) var(--space-3);
  }

  .site-header nav a {
    font-size: var(--text-micro);
  }

  .nav-contact {
    padding-inline: var(--space-3);
  }

  .hero {
    padding-top: var(--space-6);
    grid-template-columns: 1fr;
  }

  .portrait-frame {
    width: min(70vw, 17rem);
    aspect-ratio: 0.86;
    justify-self: start;
  }

  h1 {
    font-size: clamp(2.8rem, 15vw, 4.4rem);
  }

  .role {
    font-size: clamp(1.4rem, 8vw, 2rem);
  }

  .hero-actions,
  .contact-social {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions a,
  .contact-social a {
    width: 100%;
    justify-content: flex-start;
  }

  .hero-actions .button {
    justify-content: center;
  }

  .career-facts {
    grid-template-columns: 1fr;
  }

  .career-facts div + div {
    border-top: var(--border) solid var(--line);
    border-left: 0;
  }

  .section,
  .contact-section {
    padding-block: var(--space-8);
  }

  .case-card,
  .project-card,
  .system-card,
  .background-card,
  .contact-panel {
    padding: var(--space-5);
  }

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

  .delivery-stage:nth-child(even) {
    border-left: 0;
  }

  .delivery-stage:nth-child(n + 2) {
    border-top: var(--border) solid var(--line-dark);
  }

  .contact-email strong {
    overflow-wrap: anywhere;
  }

  footer {
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

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