:root {
  --lavender: #f3cff8;
  --mint: #d4ffd9;
  --black: #000;
  --white: #fff;
  --blue: #b6efff;
  --purple: #f0c2ff;
  --green: #c9ffc3;
  --pink: #ffcaca;

  --page-x: clamp(2rem, 7vw, 8rem);
  --content-max: 1420px;
  --section-y: clamp(7rem, 13vw, 13rem);

  --max: var(--content-max);
  --gutter: var(--page-x);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.45;
  color: var(--black);
  background: var(--black);
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(calc(100% - (var(--page-x) * 2)), var(--content-max));
  margin-inline: auto;
}

.section-lavender {
  background: var(--lavender);
}

.section-mint {
  background: var(--mint);
}

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

/* Header */

.site-header {
  position: absolute;
  z-index: 1000;
  width: 100%;

  padding-inline: var(--page-x);
  padding-top: clamp(1.4rem, 3vw, 2.5rem);

  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.nav {
  grid-column: 2;
  display: flex;
  justify-content: center;
  gap: clamp(2rem, 7vw, 6rem);

  font-size: 0.9rem;
  font-weight: 700;
}

.nav a {
  padding: 0.25rem;
}

.nav a:hover {
  text-decoration: underline;
}

/* Language switch */

.language-switch {
  grid-column: 3;
  justify-self: end;

  display: flex;
  gap: 0.12rem;
  padding: 0.13rem;

  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(12px);
  border-radius: 999px;
}

.language-switch a {
  min-width: 2.3rem;
  padding: 0.43rem 0.62rem;

  border-radius: 999px;

  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1;
  text-align: center;

  color: #111;
}

.language-switch a.active {
  background: #fff;
  color: #000;
}

.language-switch a:not(.active) {
  opacity: 0.55;
}

.language-switch a:hover:not(.active) {
  opacity: 1;
}

/* Hero */

.hero {
  min-height: 42rem;
  display: grid;
  align-items: center;
  padding-block: 7rem 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(210px, 0.7fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: center;
}

.eyebrow {
  margin: 0 0 1.2rem;
  font-size: 0.78rem;
  font-weight: 700;
}

h1 {
  margin: 0 0 1.6rem;
  font-size: clamp(3.2rem, 8vw, 6rem);
  line-height: 0.9;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.hero-copy p:not(.eyebrow) {
  max-width: 41rem;
  font-size: clamp(0.9rem, 1.3vw, 1rem);
}

.portrait-wrap {
  margin: 0;
  justify-self: center;
}

.portrait {
  width: clamp(170px, 28vw, 260px);
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 50% / 28%;
  display: block;
}

/* Shared section layout */

.projects,
.cv {
  padding-block: var(--section-y);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(13rem, 0.75fr) minmax(0, 2fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: start;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 0.95;
  letter-spacing: 0.03em;
}

/* Projects */

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  width: 100%;
  max-width: 46rem;
}

.card {
  color: var(--black);
  background: var(--white);
  min-height: 18rem;
  padding: 1.2rem;

  display: flex;
  flex-direction: column;

  border: 1px solid rgba(255, 255, 255, 0.18);
}

.card span,
.card .line {
  text-transform: uppercase;
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.card h3 {
  margin: 0.4rem 0 1.15rem;
  font-size: 1.12rem;
  line-height: 0.95;
  letter-spacing: 0.03em;
}

.card p {
  margin: 0 0 0.85rem;
  font-size: 0.74rem;
}

.card .line {
  border-top: 1.5px solid currentColor;
  padding-top: 0.6rem;
  margin-bottom: 1rem;
}

.pill {
  align-self: flex-end;
  margin-top: auto;
  border-radius: 999px;
  padding: 0.38rem 0.8rem;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--black);
}

.accent-blue .line,
.accent-blue .pill {
  border-color: var(--blue);
  background: var(--blue);
}

.accent-purple .line,
.accent-purple .pill {
  border-color: var(--purple);
  background: var(--purple);
}

.accent-green .line,
.accent-green .pill {
  border-color: var(--green);
  background: var(--green);
}

.accent-pink .line,
.accent-pink .pill {
  border-color: var(--pink);
  background: var(--pink);
}

/* CV */

.timeline {
  display: grid;
  gap: clamp(5.5rem, 10vw, 9rem);
}

.timeline-group {
  display: grid;
  grid-template-columns: minmax(9rem, 0.55fr) minmax(0, 2fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.timeline-group h3 {
  justify-self: end;
  margin: 0.15rem 0 0;

  color: var(--white);
  background: var(--black);

  border-radius: 999px;
  padding: 0.36rem 0.82rem;

  font-size: 0.7rem;
  white-space: nowrap;
}

.entries {
  display: grid;
  gap: 2.4rem clamp(3rem, 5vw, 5rem);
}

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

.entries article {
  max-width: 20rem;
}

time {
  display: block;
  font-size: 0.66rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

h4 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
  line-height: 1.05;
}

.entries p {
  margin: 0;
  font-size: 0.76rem;
}

.publication-link {
  display: inline-block;
  margin-top: 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  opacity: 0.7;
}

.publication-link:hover {
  opacity: 1;
  text-decoration: underline;
}

/* Footer */

.footer {
  min-height: 29rem;
  display: grid;
  align-items: end;
  padding-block: 6rem;
}

.footer-inner {
  width: min(calc(100% - (var(--page-x) * 2)), var(--content-max));
  margin-inline: auto;
}

.footer h2 {
  margin-bottom: 0.9rem;
}

.footer p {
  font-size: 0.8rem;
  margin-bottom: 4rem;
  max-width: 36rem;
}

.contact-links {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.contact-links a {
  color: var(--black);
  background: var(--blue);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font-size: 0.68rem;
  font-weight: 700;
}

/* Responsive */

/* Responsive */

@media (max-width: 900px) {
  :root {
    --page-x: 1.25rem;
    --section-y: 5rem;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding-inline: var(--page-x);
  }

  .nav {
    grid-column: 1;
    justify-self: start;
    gap: 1rem;
    font-size: 0.72rem;
    max-width: calc(100vw - 8rem);
    flex-wrap: wrap;
  }

  .language-switch {
    grid-column: 2;
    justify-self: end;
  }

  .section-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero {
    min-height: auto;
    padding-top: 7rem;
  }

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

  .portrait-wrap {
    justify-self: start;
    order: -1;
  }

  .cards {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .card {
    width: 100%;
    min-height: auto;
    padding: 1.35rem;
  }

  .card h3 {
    font-size: clamp(1.15rem, 6vw, 1.55rem);
    line-height: 1;
  }

  .card p {
    font-size: 0.9rem;
  }

  .pill {
    align-self: flex-start;
    margin-top: 1.5rem;
  }

  .timeline-group {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .timeline-group h3 {
    justify-self: start;
  }

  .two-col {
    grid-template-columns: 1fr;
  }

  .entries article {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .language-switch {
    grid-column: 1;
    justify-self: start;
  }

  .nav {
    max-width: 100%;
  }

  h1 {
    font-size: 3rem;
  }

  .hero-copy p:not(.eyebrow) {
    font-size: 0.9rem;
  }

  .card {
    padding: 1.15rem;
  }

  .card .line {
    margin-left: -1.15rem;
    margin-right: -1.15rem;
    padding-left: 1.15rem;
  }
}