:root {
  --ink: #17202a;
  --muted: #526170;
  --line: #d9dedc;
  --paper: #f7f6f2;
  --white: #fff;
  --slate: #e9eeec;
  --accent: #0d6862;
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Manrope", sans-serif;
  --mono: "DM Mono", monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
}
a {
  color: inherit;
  text-decoration: none;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
.container {
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
}
.section {
  padding: 8.5rem 0;
}
.section-border {
  border-top: 1px solid var(--line);
}
.section-slate {
  background: var(--slate);
}
.skip-link {
  position: fixed;
  z-index: 20;
  left: 1rem;
  top: -5rem;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: #fff;
}
.skip-link:focus {
  top: 1rem;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  clip: rect(0, 0, 0, 0);
  overflow: hidden;
  white-space: nowrap;
}
.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid transparent;
  background: rgb(247 246 242 / 88%);
  backdrop-filter: blur(12px);
  transition: border-color 0.2s;
}
.site-header.is-scrolled {
  border-color: var(--line);
}
.header-inner {
  min-height: 5.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font: 600 1.35rem/1 var(--serif);
  letter-spacing: 0.02em;
}
.wordmark span {
  color: var(--accent);
}
.site-nav {
  display: flex;
  gap: 2rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.site-nav a {
  color: var(--muted);
  transition: color 0.2s;
}
.site-nav a:hover {
  color: var(--accent);
}
.menu-toggle {
  display: none;
  border: 0;
  background: none;
  padding: 0.5rem;
}
.hero {
  min-height: calc(100svh - 5.25rem);
  display: flex;
  align-items: center;
  padding: 6rem 0 7rem;
}
.hero .container {
  width: min(1160px, calc(100% - 144px));
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}
.eyebrow,
.section-label {
  margin: 0 0 1.4rem;
  color: var(--accent);
  font: 500 0.7rem/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  max-width: 690px;
  margin-bottom: 1.6rem;
  font: 600 clamp(4rem, 7.2vw, 7rem)/0.96 var(--serif);
  letter-spacing: -0.035em;
}
h2 {
  margin-bottom: 1.5rem;
  font: 600 clamp(2.45rem, 4.4vw, 4.5rem)/1 var(--serif);
  letter-spacing: -0.025em;
}
h3 {
  font: 600 1.3rem/1.2 var(--serif);
  letter-spacing: -0.01em;
}
.hero-role {
  margin-bottom: 0.9rem;
  font-size: clamp(0.9rem, 1.6vw, 1.08rem);
  font-weight: 700;
}
.hero-role span {
  color: var(--accent);
  padding: 0 0.35rem;
}
.hero-intro {
  max-width: 500px;
  margin-bottom: 2.4rem;
  color: var(--muted);
  font-size: 1.05rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}
.button {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.15rem;
  border: 1px solid var(--ink);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition:
    background 0.2s,
    color 0.2s;
}
.button-primary {
  background: var(--ink);
  color: #fff;
}
.button-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
}
.button-quiet:hover {
  background: var(--ink);
  color: #fff;
}
.hero-mark {
  position: relative;
  justify-self: end;
  width: min(440px, 36vw);
  height: 220px;
  overflow: hidden;
}
.hero-pulse-words {
  position: absolute;
  inset: 0 0 auto;
  height: 155px;
}
.hero-pulse-words span {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  font: 600 clamp(2.5rem, 4.7vw, 4.5rem)/1 var(--serif);
  letter-spacing: -0.06em;
  white-space: nowrap;
  animation-duration: 12s;
  animation-iteration-count: infinite;
}
.hero-pulse-words span:nth-child(1) { opacity: 1; animation-name: hero-pulse-first; }
.hero-pulse-words span:nth-child(2) { animation-name: hero-pulse-second; }
.hero-pulse-words span:nth-child(3) { animation-name: hero-pulse-third; }
.hero-pulse-words span:nth-child(4) { animation-name: hero-pulse-fourth; }
@keyframes hero-pulse-first {
  0%, 21% { opacity: 1; filter: blur(0); transform: scale(1); letter-spacing: -0.06em; }
  25%, 100% { opacity: 0; filter: blur(9px); transform: scale(0.86); letter-spacing: 0.08em; }
}
@keyframes hero-pulse-second {
  0%, 23%, 100% { opacity: 0; filter: blur(9px); transform: scale(0.86); letter-spacing: 0.08em; }
  29%, 46% { opacity: 1; filter: blur(0); transform: scale(1); letter-spacing: -0.06em; }
  50% { opacity: 0; filter: blur(9px); transform: scale(0.86); letter-spacing: 0.08em; }
}
@keyframes hero-pulse-third {
  0%, 48%, 100% { opacity: 0; filter: blur(9px); transform: scale(0.86); letter-spacing: 0.08em; }
  54%, 71% { opacity: 1; filter: blur(0); transform: scale(1); letter-spacing: -0.06em; }
  75% { opacity: 0; filter: blur(9px); transform: scale(0.86); letter-spacing: 0.08em; }
}
@keyframes hero-pulse-fourth {
  0%, 73%, 100% { opacity: 0; filter: blur(9px); transform: scale(0.86); letter-spacing: 0.08em; }
  79%, 96% { opacity: 1; filter: blur(0); transform: scale(1); letter-spacing: -0.06em; }
}
.hero-pulse-line {
  position: absolute;
  right: 0;
  bottom: 22px;
  left: 0;
  height: 1px;
  background: var(--line);
}
.hero-pulse-line::after {
  content: "";
  display: block;
  width: 18%;
  height: 1px;
  background: var(--accent);
  animation: hero-pulse-scan 3s ease-in-out infinite;
}
@keyframes hero-pulse-scan { 50% { transform: translateX(455%); } }
.split-layout {
  display: grid;
  grid-template-columns: 22% 1fr;
  gap: 3rem;
}
.section-label {
  padding-top: 0.65rem;
}
.lead {
  max-width: 650px;
  margin-bottom: 1rem;
  font: 500 clamp(1.35rem, 2.3vw, 2rem)/1.32 var(--serif);
}
.body-copy {
  max-width: 620px;
  color: var(--muted);
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 2.5rem;
}
.section-heading .section-label {
  padding: 0;
}
.section-heading h2 {
  margin: 0;
}
.experience-list {
  border-top: 1px solid #bdc7c4;
}
.experience-item {
  display: grid;
  grid-template-columns: 22% 1fr;
  gap: 3rem;
  padding: 3.3rem 0;
  border-bottom: 1px solid #bdc7c4;
}
.experience-meta {
  font: 0.68rem/1.6 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.experience-meta p {
  margin-bottom: 0.45rem;
}
.experience-meta p + p {
  color: var(--ink);
}
.experience-content h3 {
  margin-bottom: 1.5rem;
  font-size: clamp(1.6rem, 2.7vw, 2.35rem);
}
ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 2.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: #3f4d58;
  font-size: 0.92rem;
}
li {
  position: relative;
  padding-left: 1.1rem;
}
li:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.61rem;
  width: 0.35rem;
  height: 0.35rem;
  background: var(--accent);
}
.education-school {
  margin-bottom: 0.6rem;
  color: var(--accent);
  font: 500 0.72rem/1.5 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.education-specialisation {
  margin-bottom: 0.25rem;
  color: var(--muted);
}
.education-date {
  margin-bottom: 3.4rem;
  font: 0.76rem/1.4 var(--mono);
}
.thesis {
  max-width: 700px;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.thesis .eyebrow {
  margin-bottom: 0.8rem;
}
.thesis h3 {
  margin-bottom: 0.8rem;
}
.thesis p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}
.skills-grid > div {
  padding-top: 1.2rem;
  border-top: 2px solid var(--accent);
}
.skills-grid h3 {
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
}
.skills-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.75;
}
.expertise-section {
  background: var(--ink);
  color: var(--white);
}
.expertise-section .section-label,
.expertise-section .card-number {
  color: #83c8bd;
}
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid #40505b;
  border-left: 1px solid #40505b;
}
.expertise-card {
  min-height: 305px;
  padding: 1.8rem;
  border-right: 1px solid #40505b;
  border-bottom: 1px solid #40505b;
  display: flex;
  flex-direction: column;
}
.card-number {
  margin-bottom: auto;
  font: 0.7rem var(--mono);
}
.expertise-card h3 {
  margin-bottom: 1rem;
  font-size: 1.35rem;
}
.expertise-card p:last-child {
  margin: 0;
  color: #bbc8cf;
  font-size: 0.84rem;
  line-height: 1.65;
}
.expertise-note {
  display: none;
}
.contact-section {
  padding-bottom: 7rem;
}
.contact-inner {
  display: grid;
  grid-template-columns: 22% 1fr;
  gap: 3rem;
}
.contact-inner h2 {
  margin-bottom: 0.8rem;
}
.contact-inner > div > p {
  max-width: 460px;
  color: var(--muted);
}
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2.2rem;
}
.contact-links a {
  display: inline-flex;
  gap: 0.7rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.site-footer {
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 0.65rem/1.4 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.6s,
    transform 0.6s;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .keyword-cube { animation: none; }
}
@media (max-width: 760px) {
  .container,
  .hero .container {
    width: min(100% - 40px, 1160px);
  }
  .section {
    padding: 5.5rem 0;
  }
  .menu-toggle {
    display: grid;
    gap: 5px;
  }
  .menu-toggle span:not(.sr-only) {
    display: block;
    width: 24px;
    height: 1px;
    background: var(--ink);
  }
  .site-nav {
    display: none;
    position: absolute;
    inset: 5.25rem 0 auto;
    padding: 1.5rem 20px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
    flex-direction: column;
    gap: 1rem;
  }
  .site-nav.is-open {
    display: flex;
  }
  .hero {
    min-height: auto;
    padding: 5.5rem 0;
  }
  .hero-grid,
  .split-layout,
  .contact-inner,
  .experience-item {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .hero-mark {
    justify-self: start;
    width: min(100%, 330px);
    height: 165px;
    margin-top: 1.3rem;
  }
  .section-heading {
    display: block;
  }
  .section-heading h2 {
    margin-top: 0.8rem;
  }
  .experience-item {
    padding: 2.5rem 0;
  }
  ul {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2.5rem;
  }
  .expertise-grid {
    grid-template-columns: 1fr 1fr;
  }
  .expertise-card {
    min-height: 250px;
    padding: 1.3rem;
  }
  .site-footer .container {
    flex-direction: column;
  }
}
@media (max-width: 420px) {
  h1 {
    font-size: 3.55rem;
  }
  .expertise-grid {
    grid-template-columns: 1fr;
  }
}