@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap");
:root {
  --bg: #0b0d14;
  --panel: #12141f;
  --line: #292c3b;
  --muted: #a7abbc;
  --text: #f2f1f7;
  --accent: #b3a0ff;
  --mint: #88d7c4;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font:
    16px/1.65 "DM Sans",
    sans-serif;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
a,
button {
  touch-action: manipulation;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 5px;
}
::selection {
  background: #7b61c9;
  color: white;
}
.wrap {
  max-width: 1240px;
  margin: auto;
  padding: 0 44px;
}
header {
  border-bottom: 1px solid var(--line);
  background: #0b0d14f5;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  height: 94px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font:
    600 19px/1.15 "Space Grotesk",
    sans-serif;
}
.brand small {
  display: block;
  font:
    11px/1.6 "DM Sans",
    sans-serif;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}
.mark {
  height: 34px;
  width: 34px;
  border: 1px solid var(--accent);
  display: grid;
  place-items: center;
  transform: rotate(-12deg);
  font-size: 22px;
  color: var(--accent);
}
nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
nav a {
  font-size: 14px;
  color: var(--muted);
  padding: 34px 0;
  position: relative;
}
nav a:hover,
nav a.active {
  color: white;
}
nav a.active:after {
  content: "";
  position: absolute;
  bottom: 22px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
}
.edition-chip {
  border: 1px solid #454055;
  padding: 7px 12px;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 1px;
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 28px;
}
.hero {
  padding: 78px 0 65px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 85px;
  align-items: center;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
h3 {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
}
h1 {
  font-size: clamp(58px, 7.6vw, 106px);
  line-height: 1.02;
  letter-spacing: -5px;
  margin-bottom: 30px;
}
h1 em {
  font-style: normal;
  color: var(--accent);
}
.lede {
  font-size: 19px;
  line-height: 1.65;
  color: #b9bdcb;
  max-width: 660px;
  margin-bottom: 28px;
}
.hero-links {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #151120;
  padding: 12px 21px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--accent);
  transition: background 0.2s;
}
.button:hover {
  background: #c7baff;
}
.button.secondary {
  color: #ddd9ee;
  background: transparent;
  border-color: #414251;
}
.button.secondary:hover {
  background: #222330;
}
.date-card {
  border: 1px solid #393446;
  padding: 30px 32px;
  background: linear-gradient(135deg, #1f1a30, #12141e);
  position: relative;
  overflow: hidden;
}
.date-card:before {
  content: "";
  position: absolute;
  width: 310px;
  height: 310px;
  border: 1px solid #6e54894d;
  border-radius: 50%;
  right: -180px;
  top: -160px;
  box-shadow:
    0 0 0 30px #6e548915,
    0 0 0 65px #6e54890b;
}
.card-top {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  color: #c5bbde;
}
.date {
  font:
    500 114px/1.15 "Space Grotesk",
    sans-serif;
  letter-spacing: -7px;
  margin: 26px 0 0;
}
.month {
  font:
    400 23px "Space Grotesk",
    sans-serif;
  letter-spacing: 5px;
  color: var(--accent);
  margin-bottom: 30px;
}
.venue {
  padding-top: 23px;
  border-top: 1px solid #3b344a;
}
.venue b {
  display: block;
  font-size: 19px;
  font-weight: 500;
  margin-bottom: 5px;
}
.venue span {
  font-size: 14px;
  color: var(--muted);
}
.disciplines {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 21px 0;
  margin-top: 62px;
  color: #b3b6c5;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  gap: 12px;
}
.disciplines span + span:before {
  content: "+";
  margin-right: 35px;
  color: var(--accent);
}
.intro {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 95px;
  padding-top: 56px;
}
.intro h2 {
  font-size: 31px;
  line-height: 1.3;
  letter-spacing: -1px;
}
.intro p {
  color: var(--muted);
  font-size: 16px;
  margin: 0;
}
.section {
  padding: 76px 0;
  border-top: 1px solid var(--line);
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  margin-bottom: 34px;
}
.section-head .eyebrow {
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: 39px;
  line-height: 1.2;
  letter-spacing: -1.4px;
  margin: 0;
}
.section-note {
  color: var(--muted);
  font-size: 14px;
  max-width: 310px;
  margin: 0;
}
.people {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px 22px;
}
.portrait {
  aspect-ratio: 1/1.03;
  background: #191c28;
  overflow: hidden;
  position: relative;
}
.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  filter: grayscale(1);
  transition:
    filter 0.4s,
    transform 0.5s;
}
.person:hover img {
  filter: grayscale(0);
  transform: scale(1.025);
}
.person h3 {
  font-size: 19px;
  line-height: 1.3;
  margin: 18px 0 6px;
}
.person p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0;
}
.placeholder {
  border: 1px solid #292a3c;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #191a2a, #10121b);
}
.placeholder .initials {
  font:
    400 60px "Space Grotesk",
    sans-serif;
  color: #605578;
}
.placeholder .number {
  position: absolute;
  left: 17px;
  top: 13px;
  font-size: 12px;
  letter-spacing: 2px;
  color: #666478;
}
.placeholder .tba {
  font:
    400 39px "Space Grotesk",
    sans-serif;
  color: #716583;
  letter-spacing: 5px;
}
.placeholder .caption {
  position: absolute;
  bottom: 17px;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #8e849e;
}
.sprite {
  background-repeat: no-repeat;
  filter: grayscale(1);
}
.sprite:hover {
  filter: none;
}
.program {
  border-top: 1px solid #44404e;
}
.program-row {
  display: grid;
  grid-template-columns: 150px 1fr 170px;
  gap: 28px;
  border-bottom: 1px solid var(--line);
  padding: 25px 0;
  align-items: start;
}
.program-row time {
  color: var(--accent);
  font-family: "Space Grotesk", sans-serif;
  font-size: 15px;
}
.program-row h3 {
  font-size: 19px;
  margin: 0 0 5px;
}
.program-row p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.program-row .tag {
  text-align: right;
  font-size: 12px;
  color: #9a91ac;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.program-row.break {
  opacity: 0.7;
}
.program-row ul {
  padding-left: 18px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.program-row li + li {
  margin-top: 8px;
}
.organiser-tag {
  color: var(--mint);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 12px;
  display: block;
}
.logos-section {
  padding: 47px 0 35px;
  border-top: 1px solid var(--line);
  background: #10121a;
}
.logos {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 14px;
}
.logo {
  height: 83px;
  background: #f3f3f6;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.logos-label {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 2px;
  margin-bottom: 24px;
}
footer {
  padding: 27px 0;
  color: #8d90a2;
  font-size: 12px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 30px;
}
.footer-inner a:hover {
  color: var(--accent);
}
.page-intro {
  padding: 75px 0 55px;
}
.page-intro h1 {
  font-size: 70px;
  margin-bottom: 27px;
}
.page-intro .lede {
  max-width: 770px;
}
.archive-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 76px;
}
.edition {
  padding: 34px;
  border: 1px solid var(--line);
  background: var(--panel);
  transition:
    border-color 0.2s,
    transform 0.2s;
}
.edition:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.edition .year {
  font:
    500 68px/1 "Space Grotesk",
    sans-serif;
  color: var(--accent);
  display: block;
  margin-bottom: 35px;
}
.edition h2 {
  font-size: 28px;
  margin-bottom: 7px;
}
.edition p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 26px;
}
.edition .edition-footer {
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}
.archive-hero {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 65px;
}
.archive-year {
  font: 500 clamp(100px, 17vw, 200px)/1 "Space Grotesk";
  color: #2e273f;
  align-self: center;
  letter-spacing: -12px;
}
.source-link {
  font-size: 13px;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.team-intro {
  max-width: 750px;
}
.country-row {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--mint);
  font-size: 12px;
  letter-spacing: 1px;
  margin-top: 32px;
}
.sr-only,
.skip:not(:focus) {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip:focus {
  position: fixed;
  z-index: 20;
  background: white;
  color: black;
  padding: 10px;
}
.archive-note {
  color: var(--muted);
  font-size: 13px;
  margin-top: 28px;
}
.mobile-menu {
  display: none;
}
.team-grid {
  padding-bottom: 76px;
}
@media (min-width: 1500px) {
  .wrap {
    max-width: 1320px;
  }
  .hero {
    padding-top: 100px;
  }
}
@media (max-width: 900px) {
  .wrap {
    padding: 0 26px;
  }
  .hero-grid {
    gap: 35px;
    grid-template-columns: 1.3fr 1fr;
  }
  h1 {
    font-size: 70px;
  }
  .date-card {
    padding: 24px;
  }
  .date {
    font-size: 90px;
  }
  .intro {
    gap: 40px;
  }
  .logos {
    grid-template-columns: repeat(4, 1fr);
  }
  .people {
    gap: 22px 15px;
  }
  .person h3 {
    font-size: 17px;
  }
  .disciplines span + span:before {
    margin-right: 10px;
  }
  .edition-chip {
    display: none;
  }
}
@media (max-width: 640px) {
  .wrap {
    padding: 0 22px;
  }
  .header-inner {
    height: 80px;
    gap: 12px;
  }
  .brand {
    font-size: 15px;
    gap: 9px;
  }
  .brand small {
    font-size: 8px;
    letter-spacing: 1px;
  }
  .mark {
    width: 27px;
    height: 27px;
    font-size: 18px;
  }
  nav {
    gap: 16px;
  }
  nav a {
    font-size: 12px;
    padding: 28px 0;
  }
  nav a.active:after {
    bottom: 15px;
  }
  .hero {
    padding: 48px 0;
  }
  .hero-grid,
  .intro,
  .archive-hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  h1 {
    font-size: 68px;
    letter-spacing: -3.5px;
  }
  .lede {
    font-size: 17px;
  }
  .date-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 20px;
  }
  .card-top {
    grid-column: 1/-1;
  }
  .date {
    font-size: 75px;
    margin-top: 16px;
  }
  .month {
    font-size: 16px;
    letter-spacing: 2px;
    margin-bottom: 0;
  }
  .venue {
    grid-column: 2;
    grid-row: 2/4;
    align-self: center;
    padding: 0;
    border: 0;
  }
  .venue b {
    font-size: 16px;
  }
  .venue span {
    font-size: 13px;
  }
  .disciplines {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 36px;
    font-size: 10px;
    gap: 15px;
  }
  .disciplines span + span:before {
    display: none;
  }
  .intro {
    padding-top: 36px;
    gap: 12px;
  }
  .intro h2 {
    font-size: 28px;
    margin-bottom: 6px;
  }
  .section {
    padding: 50px 0;
  }
  .section-head {
    display: block;
  }
  .section-head h2 {
    font-size: 32px;
  }
  .section-note {
    margin-top: 15px;
  }
  .people {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 16px;
  }
  .person h3 {
    font-size: 17px;
  }
  .person p {
    font-size: 13px;
  }
  .placeholder .tba {
    font-size: 29px;
  }
  .program-row {
    grid-template-columns: 72px 1fr;
    gap: 16px;
    padding: 22px 0;
  }
  .program-row .tag {
    grid-column: 2;
    text-align: left;
    font-size: 10px;
  }
  .program-row time {
    font-size: 13px;
  }
  .program-row h3 {
    font-size: 17px;
  }
  .logos {
    grid-template-columns: repeat(2, 1fr);
  }
  .logo:last-child {
    grid-column: 1/-1;
    width: 50%;
    justify-self: center;
  }
  .footer-inner {
    flex-direction: column;
    gap: 8px;
  }
  .page-intro {
    padding: 48px 0 35px;
  }
  .page-intro h1 {
    font-size: 51px;
    letter-spacing: -2px;
  }
  .archive-grid {
    grid-template-columns: 1fr;
  }
  .archive-year {
    display: none;
  }
  .country-row {
    gap: 13px;
  }
  .edition {
    padding: 26px;
  }
  .edition .year {
    font-size: 60px;
  }
  .team-grid {
    padding-bottom: 50px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}
@media (max-width: 640px) {
  .header-inner {
    padding-top: 15px;
    padding-bottom: 0;
    flex-wrap: wrap;
    justify-content: center;
  }
  .brand {
    font-size: 17px;
  }
  .brand small {
    font-size: 10px;
  }
  nav {
    width: 100%;
    justify-content: center;
    gap: 30px;
  }
  nav a {
    font-size: 14px;
    padding: 14px 0 17px;
  }
  nav a.active:after {
    bottom: 8px;
  }
  .hero-links .button {
    font-size: 14px;
  }
  html {
    scroll-padding-top: 135px;
  }
}
/* Display the Poznań crest at panel height, excluding the asset's empty lower area. */
.logo-poznan {
  padding: 0;
  overflow: hidden;
}
.logo-poznan img {
  width: 90px;
  height: auto;
  max-width: none;
  max-height: none;
  align-self: flex-start;
}
@media (min-width: 901px) {
  .logos-six {
    grid-template-columns: repeat(6, 1fr);
  }
}
@media (max-width: 640px) {
  .logos-six .logo:last-child {
    grid-column: auto;
    width: 100%;
    justify-self: stretch;
  }
}
/* Square framing of the university's professional lecture portrait. */
.portrait img[src$="massimo-bartoletti-professional.png"] {
  transform: scale(1.55);
  transform-origin: 50% 50%;
  object-position: center;
}
.person:hover img[src$="massimo-bartoletti-professional.png"] {
  transform: scale(1.55);
}

.person-photo-link {
  display: block;
  color: inherit;
  text-decoration: none;
}
.person-name-link {
  color: inherit;
  text-decoration: none;
}
.person-name-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.person-photo-link:focus-visible,
.person-name-link:focus-visible {
  outline: 2px solid var(--accent, #b3a0ff);
  outline-offset: 4px;
}