:root {
  --ink: #10202a;
  --ink-soft: #52616a;
  --paper: #f7f8f5;
  --white: #ffffff;
  --navy: #0c1f2c;
  --navy-lift: #152d3d;
  --signal: #d8f09b;
  --signal-dark: #617d1d;
  --line: #d7dcda;
  --max-width: 1180px;
  --serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  background: var(--white);
  color: var(--navy);
  transform: translateY(-180%);
}

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

.shell {
  width: min(calc(100% - 3rem), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 76px;
  padding: 0.75rem max(1.5rem, calc((100vw - var(--max-width)) / 2));
  border-bottom: 1px solid rgba(12, 31, 44, 0.12);
  background: rgba(247, 248, 245, 0.93);
  backdrop-filter: blur(14px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.96rem;
  font-weight: 680;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.wordmark-mark {
  display: grid;
  width: 2rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 0.4rem;
  background: var(--navy);
  color: var(--signal);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.6vw, 2.25rem);
}

nav a {
  color: #435159;
  font-size: 0.84rem;
  font-weight: 620;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--navy);
  text-decoration: underline;
  text-decoration-color: var(--signal-dark);
  text-underline-offset: 0.35rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.65fr);
  gap: clamp(3rem, 8vw, 7.5rem);
  align-items: center;
  min-height: calc(100vh - 76px);
  min-height: calc(100svh - 76px);
  padding-block: clamp(5rem, 10vh, 8rem);
  scroll-margin-top: 76px;
}

.eyebrow,
.section-index,
.panel-label,
.case-kicker,
.expertise-number,
.education-year {
  margin: 0;
  color: var(--signal-dark);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 860px;
  margin: 1.15rem 0 1.5rem;
  font-family: var(--serif);
  font-size: clamp(3.15rem, 7.2vw, 6.6rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero-intro {
  max-width: 700px;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.7vw, 1.25rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.2rem;
  border: 1px solid var(--navy);
  border-radius: 0.35rem;
  font-size: 0.88rem;
  font-weight: 720;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--navy);
  color: var(--white);
}

.button-primary:hover {
  background: var(--navy-lift);
}

.button-secondary:hover {
  background: var(--white);
}

.hero-panel {
  position: relative;
  padding: 1.75rem;
  border-top: 4px solid var(--signal);
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 24px 70px rgba(12, 31, 44, 0.14);
}

.hero-panel::after {
  content: "";
  position: absolute;
  right: 1.25rem;
  top: 1.35rem;
  width: 0.55rem;
  height: 0.55rem;
  border: 1px solid rgba(216, 240, 155, 0.75);
  border-radius: 50%;
}

.panel-label {
  color: var(--signal);
}

.metrics {
  margin: 1rem 0 1.5rem;
}

.metrics div {
  display: grid;
  grid-template-columns: 7.25rem 1fr;
  align-items: baseline;
  padding-block: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.metrics dt {
  font-family: var(--serif);
  font-size: 2.35rem;
  line-height: 1;
}

.metrics dd {
  margin: 0;
  color: #b9c4c9;
  font-size: 0.85rem;
}

.current-role {
  margin: 0;
  color: #e3e8ea;
  font-size: 0.88rem;
}

.current-role span {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--signal);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section {
  padding-block: clamp(5.5rem, 10vw, 9rem);
  scroll-margin-top: 74px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(145px, 0.45fr) minmax(0, 1.3fr);
  gap: 2rem;
  align-items: start;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-heading h2,
.contact h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.section-heading > div > p {
  max-width: 620px;
  margin: 1rem 0 0;
  color: var(--ink-soft);
  font-size: 1.06rem;
}

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

.case-study {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1.4fr) minmax(220px, 0.6fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding-block: 2.5rem;
  border-bottom: 1px solid var(--line);
}

.case-number {
  color: #839097;
  font-family: var(--serif);
  font-size: 1.25rem;
}

.case-body h3 {
  max-width: 650px;
  margin: 0.5rem 0 0.85rem;
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  font-weight: 550;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.case-body > p:not(.case-kicker) {
  max-width: 720px;
  margin: 0;
  color: var(--ink-soft);
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.case-tags li {
  padding: 0.3rem 0.65rem;
  border: 1px solid #ccd3d0;
  border-radius: 999px;
  color: #45535b;
  font-size: 0.75rem;
  font-weight: 650;
}

.case-outcome {
  align-self: end;
  margin: 0;
  padding-left: 1.1rem;
  border-left: 2px solid var(--signal-dark);
  color: #52616a;
  font-size: 0.87rem;
}

.case-outcome span {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--ink);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-dark {
  background: var(--navy);
  color: var(--white);
}

.section-heading-dark .section-index {
  color: var(--signal);
}

.section-heading-dark > div > p {
  color: #acbac0;
}

.timeline {
  margin-left: calc(145px + 2rem);
}

.role {
  position: relative;
  display: grid;
  grid-template-columns: minmax(155px, 0.36fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  padding: 2.6rem 0 2.6rem 1.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.role::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3.25rem;
  width: 0.45rem;
  height: 0.45rem;
  border: 1px solid #78909c;
  border-radius: 50%;
  background: var(--navy);
}

.role-current::before {
  border-color: var(--signal);
  background: var(--signal);
  box-shadow: 0 0 0 5px rgba(216, 240, 155, 0.11);
}

.role-meta p {
  margin: 0 0 0.45rem;
  color: #aab8be;
  font-size: 0.85rem;
}

.role-meta span {
  color: var(--signal);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.role-copy h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.7vw, 2rem);
  font-weight: 520;
  line-height: 1.25;
}

.company {
  margin: 0.35rem 0 1.25rem;
  color: #aab8be;
  font-size: 0.9rem;
}

.role-copy ul {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding-left: 1.1rem;
  color: #d4dcdf;
}

.role-copy li::marker {
  color: var(--signal);
}

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

.expertise-grid article {
  min-height: 280px;
  padding: clamp(1.7rem, 4vw, 3.25rem);
  background: var(--paper);
}

.expertise-grid h3 {
  margin: 2.5rem 0 0.75rem;
  font-family: var(--serif);
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  font-weight: 550;
  letter-spacing: -0.025em;
}

.expertise-grid article > p:last-child {
  max-width: 480px;
  margin: 0;
  color: var(--ink-soft);
}

.education {
  padding-top: 1rem;
}

.compact-heading {
  align-items: end;
  margin-bottom: 2rem;
}

.education-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1fr);
  gap: clamp(2rem, 8vw, 8rem);
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--white);
  border-left: 4px solid var(--signal-dark);
}

.education-card h3 {
  margin: 0.55rem 0 0.35rem;
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 550;
}

.education-card p {
  margin: 0;
  color: var(--ink-soft);
}

.education-card .education-school {
  margin-bottom: 0.8rem;
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 720;
}

.contact {
  padding-block: clamp(5rem, 9vw, 8rem);
  background: var(--signal);
  color: var(--navy);
  scroll-margin-top: 74px;
}

.contact .section-index {
  color: #4d6716;
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.65fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: end;
}

.contact h2 {
  margin-top: 0.8rem;
}

.contact-links {
  display: grid;
}

.contact-links a {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(12, 31, 44, 0.25);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.contact-links a:hover,
.contact-links a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.3rem;
}

.contact-links span {
  color: #53651f;
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem max(1.5rem, calc((100vw - var(--max-width)) / 2));
  background: var(--navy);
  color: #aab8be;
  font-size: 0.78rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--white);
  text-decoration: none;
}

:focus-visible {
  outline: 3px solid #8aac38;
  outline-offset: 4px;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.7rem;
    padding-block: 0.8rem;
  }

  nav {
    width: 100%;
    gap: 1.25rem;
    padding-bottom: 0.1rem;
    overflow-x: auto;
  }

  nav a {
    white-space: nowrap;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 5rem;
    scroll-margin-top: 116px;
  }

  .hero-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .hero-panel .panel-label,
  .hero-panel::after {
    display: none;
  }

  .metrics {
    margin: 0;
  }

  .current-role {
    align-self: end;
  }

  .case-study {
    grid-template-columns: 2rem 1fr;
  }

  .case-outcome {
    grid-column: 2;
    margin-top: 0.25rem;
  }

  .timeline {
    margin-left: 0;
  }

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

@media (max-width: 640px) {
  .shell {
    width: min(calc(100% - 2rem), var(--max-width));
  }

  .wordmark-mark {
    width: 1.85rem;
  }

  .hero h1 {
    font-size: clamp(3rem, 15vw, 4.25rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-panel {
    grid-template-columns: 1fr;
  }

  .metrics div {
    grid-template-columns: 7.25rem 1fr;
  }

  .section-heading,
  .compact-heading {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .case-study {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .case-number,
  .case-outcome {
    grid-column: 1;
  }

  .role {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding-left: 1.25rem;
  }

  .expertise-grid,
  .education-card {
    grid-template-columns: 1fr;
  }

  .expertise-grid article {
    min-height: auto;
  }

  .education-card {
    gap: 2rem;
  }

  .contact-links a {
    grid-template-columns: 1fr;
    gap: 0.25rem;
    overflow-wrap: anywhere;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
  }
}

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

  .button {
    transition: none;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .site-footer {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .section,
  .contact {
    padding-block: 2.5rem;
  }
}