:root {
  --ink: #0b0d0c;
  --paper: #f1f0ea;
  --paper-deep: #e5e3da;
  --muted: #666b66;
  --line: rgba(11, 13, 12, 0.18);
  --lime: #c7ff4a;
  --green: #386800;
  --white: #fbfbf7;
  --shell: min(1240px, calc(100% - 48px));
  --ease: cubic-bezier(0.2, 0.75, 0.25, 1);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  background: var(--lime);
  transform: translateY(-150%);
}

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

.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;
}

/* Keeps hyphenated words such as "cross-disciplinary" from breaking across lines at the hyphen. */
.nowrap { white-space: nowrap; }

.section-shell {
  width: var(--shell);
  margin-inline: auto;
}

.section-pad { padding-block: 140px; }

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  width: var(--shell);
  height: 84px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  transition: background 240ms ease, width 240ms ease, padding 240ms ease, box-shadow 240ms ease;
}

.site-header.scrolled {
  width: 100%;
  padding-inline: max(24px, calc((100% - 1240px) / 2));
  background: rgba(241, 240, 234, 0.9);
  box-shadow: 0 8px 30px rgba(11, 13, 12, 0.07);
  backdrop-filter: blur(16px);
}

.monogram {
  font-size: 20px;
  font-weight: 850;
  letter-spacing: -0.08em;
  text-decoration: none;
}

.monogram span { color: #5eb900; }

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.2vw, 34px);
}

.site-nav a {
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a:not(.nav-cta) { position: relative; }

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms var(--ease);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  padding: 11px 17px;
  color: var(--paper);
  background: var(--ink);
}

.menu-toggle { display: none; }

.hero {
  min-height: 100svh;
  padding-top: 145px;
  padding-bottom: 38px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(400px, 0.92fr);
  column-gap: clamp(50px, 7vw, 110px);
  align-items: center;
}

.eyebrow,
.section-number {
  margin: 0 0 28px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-copy h1,
.profile-main h2,
.contact h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.92;
}

.hero-copy h1 {
  max-width: 760px;
  font-size: clamp(72px, 8.3vw, 126px);
}

.hero-copy h1 em,
.profile-main h2 em,
.contact h2 em {
  color: var(--green);
  font-weight: 400;
}

.hero-summary {
  max-width: 650px;
  margin: 30px 0 0;
  color: #3f433f;
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.65;
}

.hero-actions,
.contact-links {
  margin-top: 42px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.button {
  min-height: 52px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 180ms var(--ease), background 180ms ease, color 180ms ease;
}

.button:hover,
.button:focus-visible { transform: translateY(-3px); }

.button-primary {
  color: var(--paper);
  background: var(--ink);
}

.button-primary:hover { background: #26371d; }

.text-link {
  display: inline-flex;
  gap: 18px;
  padding-block: 9px;
  border-bottom: 1px solid currentColor;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.hero-portrait {
  min-width: 0;
}

.portrait-label,
.portrait-meta {
  display: flex;
  justify-content: space-between;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.portrait-label { margin-bottom: 14px; }

.portrait-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #c8c7c1;
  box-shadow: 18px 18px 0 var(--paper-deep);
}

.portrait-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(11, 13, 12, 0.18);
  pointer-events: none;
}

.portrait-frame picture {
  width: 100%;
  height: 100%;
  display: block;
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 28%;
  filter: saturate(0.86) contrast(1.03);
}

.portrait-meta {
  margin-top: 28px;
  gap: 18px;
}

.portrait-meta div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.portrait-meta span { color: var(--muted); }
.portrait-meta strong { font-weight: 650; }

.hero-stack {
  grid-column: 1 / -1;
  align-self: end;
  margin-top: 55px;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-stack i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #8cb33c;
}

.profile {
  background: var(--paper-deep);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.profile-grid {
  display: grid;
  grid-template-columns: 0.55fr 1.7fr 0.75fr;
  gap: clamp(34px, 5vw, 80px);
  align-items: start;
}

.section-number { color: var(--muted); }

.profile-main h2,
.contact h2 {
  font-size: clamp(52px, 6vw, 88px);
}

.profile-lead {
  max-width: 780px;
  margin: 38px 0 0;
  color: #3f433f;
  font-size: clamp(17px, 1.45vw, 21px);
  line-height: 1.7;
}

.profile-side {
  padding-top: 78px;
}


.engineering-focus {
  background: var(--paper);
}

.focus-panel {
  padding: clamp(38px, 5vw, 68px);
  color: var(--white);
  background: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
}

.focus-kicker {
  margin: 0 0 clamp(52px, 6vw, 84px);
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(54px, 6vw, 82px) clamp(48px, 7vw, 98px);
}

.focus-item {
  min-width: 0;
}

.focus-icon {
  width: 32px;
  height: 32px;
  margin-bottom: 24px;
  fill: none;
  stroke: rgba(255, 255, 255, 0.78);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.focus-item h3 {
  margin: 0;
  color: var(--white);
  font-size: clamp(22px, 2.1vw, 31px);
  font-weight: 720;
  letter-spacing: -0.035em;
  line-height: 1.16;
}

.focus-item p {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(15px, 1.35vw, 19px);
  line-height: 1.55;
}

.contact {
  color: var(--white);
  background: #24321d;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.7fr 2fr 0.9fr;
  gap: 34px;
  align-items: end;
}

.contact .section-number {
  align-self: start;
  color: var(--lime);
}

.contact h2 em { color: var(--lime); }

.contact-grid > p:not(.section-number) {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
  line-height: 1.7;
}

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

.light-link { color: var(--white); }

.site-footer {
  color: rgba(255, 255, 255, 0.56);
  background: var(--ink);
}

.footer-inner {
  min-height: 120px;
  display: grid;
  grid-template-columns: 0.7fr 2fr 0.9fr;
  gap: 34px;
  align-items: center;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-logo { color: var(--white); }
.footer-inner p:last-child { text-align: right; }

/* Hidden only when JavaScript is running (see js-flag.js); without it, content renders normally. */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

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

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 140px;
  }

  .hero-copy { max-width: 850px; }

  .hero-portrait {
    width: min(680px, 90%);
    margin-top: 72px;
    justify-self: end;
  }

  .hero-stack { margin-top: 72px; }

  .profile-grid,
  .contact-grid {
    grid-template-columns: 0.7fr 2fr;
  }

  .profile-side,
  .contact-grid > p:not(.section-number) {
    grid-column: 2;
  }

  .profile-side { padding-top: 10px; }

}

@media (max-width: 780px) {
  :root { --shell: min(100% - 36px, 640px); }
  .section-pad { padding-block: 94px; }

  .site-header,
  .site-header.scrolled {
    width: 100%;
    height: 70px;
    padding-inline: 18px;
  }

  .menu-toggle {
    position: relative;
    z-index: 22;
    width: 42px;
    height: 42px;
    padding: 0;
    display: grid;
    place-content: center;
    gap: 7px;
    border: 0;
    background: transparent;
  }

  .menu-toggle span:not(.sr-only) {
    width: 24px;
    height: 1px;
    background: var(--ink);
    transition: transform 180ms ease;
  }

  .menu-open .menu-toggle span:nth-child(2) { transform: translateY(4px) rotate(45deg); }
  .menu-open .menu-toggle span:nth-child(3) { transform: translateY(-4px) rotate(-45deg); }

  .site-nav {
    position: fixed;
    inset: 0;
    padding: 120px 28px 40px;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    background: var(--paper);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 180ms ease, visibility 180ms ease, transform 180ms ease;
  }

  .site-nav a {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 32px;
    font-weight: 400;
    letter-spacing: -0.03em;
    text-transform: none;
  }

  .site-nav .nav-cta {
    padding: 10px 16px;
    font-family: inherit;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .menu-open .site-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .hero {
    min-height: auto;
    padding-top: 118px;
  }

  .hero-copy h1 { font-size: clamp(60px, 18vw, 82px); }
  .hero-summary { font-size: 17px; }
  .hero-actions, .contact-links { align-items: flex-start; flex-direction: column; }

  .hero-portrait {
    width: calc(100% - 12px);
    margin-top: 64px;
  }

  .portrait-frame {
    aspect-ratio: 5 / 6;
    box-shadow: 12px 12px 0 var(--paper-deep);
  }

  .portrait-meta { flex-wrap: wrap; }

  .hero-stack {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

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

  .profile-side,
  .contact-grid > p:not(.section-number) {
    grid-column: 1;
  }

  .profile-main h2,
  .contact h2 {
    font-size: clamp(48px, 15vw, 68px);
  }

  .focus-panel {
    padding: 34px 26px 42px;
    border-radius: 8px;
  }

  .focus-kicker { margin-bottom: 54px; }
  .focus-grid { grid-template-columns: 1fr; gap: 54px; }
  .focus-item h3 { font-size: 25px; }
  .focus-item p { font-size: 16px; }

  .contact-links { grid-column: 1; }

  .footer-inner {
    padding-block: 38px;
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .footer-inner p { margin: 0; }
  .footer-inner p:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}

/* 404 page, served by CloudFront for missing paths (see custom_error_response in terraform/main.tf). */
.error-page {
  min-height: 100svh;
  display: grid;
  align-content: center;
  gap: 28px;
}

.error-page h1 {
  margin: 0;
  font-size: clamp(48px, 9vw, 120px);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.error-page h1 em { color: var(--green); }

.error-page p:not(.eyebrow) {
  max-width: 46ch;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.error-page .button { justify-self: start; }