:root {
  --color-black: #050505;
  --color-black-soft: rgba(255, 255, 255, 0.72);
  --color-black-faint: rgba(255, 255, 255, 0.16);
  --color-paper: #ffffff;
  --color-paper-soft: #f4f4f1;
  --color-paper-line: rgba(17, 17, 17, 0.12);
  --color-paper-text: #111111;
  --color-paper-muted: rgba(17, 17, 17, 0.68);
  --font-brand: "Cormorant Garamond", serif;
  --font-ui: "Cormorant Garamond", serif;
  --font-hero-copy: "Cormorant Garamond", serif;
  --radius-xl: 32px;
  --radius-lg: 24px;
  --section-width: 1280px;
  --section-padding: clamp(4rem, 7vw, 8rem);
  --card-shadow: 0 45px 110px rgba(0, 0, 0, 0.1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--color-black);
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-ui);
  background: var(--color-black);
  color: #ffffff;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

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

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 16%, rgba(255, 255, 255, 0.14), transparent 32%),
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.08), transparent 26%),
    #020202;
}

.hero__canvas,
.hero__grid,
.hero__veil {
  position: absolute;
  inset: 0;
}

.hero__canvas {
  width: 100%;
  height: 100%;
}

.hero__grid {
  inset: auto -12% -18%;
  height: 72%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.32;
  transform: perspective(900px) rotateX(74deg) translateY(26%);
  transform-origin: top center;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), transparent 88%);
}

.hero__veil {
  background:
    radial-gradient(circle at center, rgba(255, 255, 255, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.14), rgba(0, 0, 0, 0.7));
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, 60rem);
  display: grid;
  justify-items: center;
  gap: 1rem;
  padding: 2rem 1rem;
  text-align: center;
}

.hero__nav {
  position: absolute;
  top: clamp(1rem, 3vw, 2rem);
  right: clamp(1rem, 3vw, 2rem);
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem;
}

.hero__nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.55rem;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.hero__nav a:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.hero__mark {
  width: clamp(13rem, 13vw, 13rem);
  height: auto;
}

.hero__wordmark { 
  margin: 0;
  font-family: var(--font-brand);
  font-size: clamp(3.6rem, 10.8vw, 8rem);
  line-height: 0.84;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.hero__tagline {
  margin: 0;
  max-width: 34ch;
  font-family: var(--font-hero-copy);
  font-size: clamp(1rem, 1.65vw, 1.15rem);
  line-height: 1.85;
  font-weight: 400;
  letter-spacing: 0.015em;
  color: rgba(255, 255, 255, 0.8);
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: clamp(1.5rem, 3vw, 2.4rem);
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.9rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(14px);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transform: translateX(-50%);
  animation: hero-float 2.8s ease-in-out infinite;
}

.hero__scroll::after {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
}

.team {
  background: var(--color-paper);
  color: var(--color-paper-text);
  padding: var(--section-padding) 0;
}

.section-shell {
  width: min(100% - 2rem, var(--section-width));
  margin: 0 auto;
}

.section-label {
  margin: 0 0 1rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(17, 17, 17, 0.44);
}

.section-header {
  display: grid;
  gap: 1rem;
  max-width: 58rem;
  margin-bottom: clamp(2.25rem, 5vw, 4.5rem);
}

.section-header h2 {
  margin: 0;
  font-family: var(--font-brand);
  font-size: clamp(2.9rem, 6vw, 5.3rem);
  line-height: 0.92;
  font-weight: 600;
}

.section-header p {
  margin: 0;
  max-width: 44rem;
  font-family: var(--font-hero-copy);
  font-size: clamp(1rem, 1.8vw, 1.16rem);
  line-height: 1.8;
  font-weight: 400;
  letter-spacing: 0.015em;
  color: var(--color-paper-muted);
}

.section-label--inverse {
  color: rgba(255, 255, 255, 0.5);
}

.section-header--inverse h2 {
  color: #ffffff;
}

.section-header--inverse p {
  color: rgba(255, 255, 255, 0.72);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.member-card {
  display: grid;
  gap: 1.45rem;
  min-height: 380px;
  padding: 1.35rem;
  border: 1px solid var(--color-paper-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #ffffff, var(--color-paper-soft));
  box-shadow: var(--card-shadow);
  opacity: 0;
  transform: translateY(34px);
  transition:
    opacity 0.7s ease var(--delay, 0ms),
    transform 0.7s ease var(--delay, 0ms),
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.member-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.member-card:hover {
  transform: translateY(-8px);
  border-color: rgba(17, 17, 17, 0.22);
  box-shadow: 0 55px 125px rgba(0, 0, 0, 0.13);
}

.member-card__portrait {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 20px;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.18), transparent 30%),
    linear-gradient(135deg, #0c0c0c, #030303);
  display: grid;
  place-items: center;
}

.member-card__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-card__initials {
  font-family: var(--font-brand);
  font-size: clamp(2.1rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.95);
}

.member-card__body {
  display: grid;
  gap: 0.7rem;
  align-self: end;
}

.member-card__role {
  margin: 0 0 0.7rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(17, 17, 17, 0.46);
}

.member-card__name {
  margin: 0;
  font-size: 1.42rem;
  line-height: 1.12;
  font-weight: 800;
}

.member-card__bio {
  margin: 0;
  font-family: var(--font-hero-copy);
  color: var(--color-paper-muted);
  font-size: 0.98rem;
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: 0.015em;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
  line-clamp: 6;
  min-height: calc(1em * 1.75 * 6);
  max-height: calc(1em * 1.75 * 6);
}

.member-card.is-expanded .member-card__bio {
  display: block;
  overflow-y: auto;
  -webkit-line-clamp: unset;
  line-clamp: unset;
  padding-right: 0.35rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(17, 17, 17, 0.25) transparent;
}

.member-card__bio::-webkit-scrollbar {
  width: 0.38rem;
}

.member-card__bio::-webkit-scrollbar-thumb {
  background: rgba(17, 17, 17, 0.2);
  border-radius: 999px;
}

.member-card__toggle {
  width: fit-content;
  padding: 0;
  border: 0;
  background: none;
  color: rgba(17, 17, 17, 0.7);
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
}

.member-card__toggle:hover {
  color: rgba(17, 17, 17, 1);
}

.member-card__toggle[hidden] {
  display: none;
}

.research {
  background:
    radial-gradient(circle at 50% 10%, rgba(255, 255, 255, 0.06), transparent 28%),
    #050505;
  color: #ffffff;
  padding: var(--section-padding) 0;
}

.research-list {
  display: grid;
  gap: 1.6rem;
}

.paper-card {
  display: grid;
  grid-template-columns: minmax(320px, 1.2fr) minmax(0, 0.95fr);
  gap: 1.4rem;
  padding: clamp(1.35rem, 2vw, 1.8rem);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 30px;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.08), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  box-shadow: 0 38px 110px rgba(0, 0, 0, 0.36);
  opacity: 0;
  transform: translateY(34px);
  transition:
    opacity 0.7s ease var(--delay, 0ms),
    transform 0.7s ease var(--delay, 0ms),
    border-color 0.25s ease,
    background 0.25s ease;
}

.paper-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.paper-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.1), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025));
}

.paper-card__intro {
  display: grid;
  align-content: start;
  gap: 1rem;
}

.paper-card__index {
  margin: 0;
  color: rgba(255, 255, 255, 0.46);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.paper-card__title {
  margin: 0;
  font-family: var(--font-brand);
  font-size: clamp(1.6rem, 2.3vw, 2.35rem);
  line-height: 0.94;
  font-weight: 600;
  color: #ffffff;
}

.paper-card__authors {
  margin: 0;
  font-family: var(--font-hero-copy);
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
}

.paper-card__abstract-label {
  margin: 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.paper-card__abstract {
  margin: 0;
  font-family: var(--font-hero-copy);
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.72);
}

.paper-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.paper-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.25rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.paper-chip--link {
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.paper-chip--link:hover {
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.paper-chip--button {
  appearance: none;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.paper-chip--button:hover {
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.paper-chip--button.is-copied {
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}

.paper-card__figures {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.paper-figure {
  margin: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  aspect-ratio: 4 / 3;
  min-height: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    #090909;
}

.paper-figure__frame {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  padding: 1rem;
  background:
    linear-gradient(
      180deg,
      #b8b8b8 0%,
      #d0d0d0 18%,
      #ebebeb 34%,
      #f7f7f7 50%,
      #ebebeb 66%,
      #d0d0d0 82%,
      #b8b8b8 100%
    );
}

.paper-figure__media {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.paper-figure__placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 50% 28%, rgba(5, 5, 5, 0.08), transparent 34%),
    linear-gradient(135deg, rgba(5, 5, 5, 0.05), rgba(5, 5, 5, 0.015));
  color: rgba(5, 5, 5, 0.88);
  font-family: var(--font-brand);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.18em;
}

.paper-figure__caption {
  padding: 0.95rem 1rem 1rem;
  font-family: var(--font-hero-copy);
  font-size: 0.96rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.76);
  text-align: center;
}

.analysis {
  background: var(--color-paper);
  color: var(--color-paper-text);
  padding: var(--section-padding) 0;
}

.analysis-list {
  display: grid;
  gap: 1.6rem;
}

.analysis-card {
  display: grid;
  gap: 1.35rem;
  padding: clamp(1.45rem, 2.2vw, 2rem);
  border: 1px solid rgba(17, 17, 17, 0.09);
  border-radius: 34px;
  background:
    linear-gradient(120deg, rgba(17, 17, 17, 0.045), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 245, 240, 0.98));
  box-shadow: 0 38px 100px rgba(0, 0, 0, 0.09);
  opacity: 0;
  transform: translateY(34px);
  transition:
    opacity 0.7s ease var(--delay, 0ms),
    transform 0.7s ease var(--delay, 0ms),
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.analysis-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.analysis-card:hover {
  border-color: rgba(17, 17, 17, 0.16);
  box-shadow: 0 48px 120px rgba(0, 0, 0, 0.12);
}

.analysis-card__masthead {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.2rem;
  align-items: start;
}

.analysis-card__index {
  margin: 0;
  padding-top: 0.15rem;
  color: rgba(17, 17, 17, 0.42);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}

.analysis-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.analysis-tag {
  display: grid;
  gap: 0.22rem;
  min-width: min(12rem, 100%);
  padding: 0.75rem 0.95rem;
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 18px;
  background: rgba(17, 17, 17, 0.02);
}

.analysis-tag__label {
  color: rgba(17, 17, 17, 0.44);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.analysis-tag__value {
  color: var(--color-paper-text);
  font-family: var(--font-hero-copy);
  font-size: 0.98rem;
  line-height: 1.4;
  font-weight: 600;
}

.analysis-card__summary {
  margin: 0;
  max-width: 28ch;
  font-family: var(--font-brand);
  font-size: clamp(1.75rem, 3.1vw, 2.7rem);
  line-height: 0.98;
  font-weight: 600;
  color: var(--color-paper-text);
}

.analysis-card__details {
  margin: 0;
  max-width: 72ch;
  font-family: var(--font-hero-copy);
  font-size: 1rem;
  line-height: 1.85;
  font-weight: 400;
  letter-spacing: 0.015em;
  color: var(--color-paper-muted);
}

.analysis-card__figures {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 0.95rem;
}

.analysis-figure {
  flex: 0 1 clamp(220px, 22vw, 300px);
  margin: 0;
  display: grid;
  gap: 0.7rem;
}

.analysis-figure__frame {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(17, 17, 17, 0.06), rgba(17, 17, 17, 0.025)),
    #f2f2ee;
  padding: 0.8rem;
}

.analysis-figure__media {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.analysis-figure__caption {
  margin: 0;
  font-family: var(--font-hero-copy);
  font-size: 0.92rem;
  line-height: 1.55;
  color: rgba(17, 17, 17, 0.64);
}

.site-footer {
  background: #050505;
  color: rgba(255, 255, 255, 0.56);
  padding: 0 1rem 2.5rem;
}

.site-footer p {
  width: min(100%, var(--section-width));
  margin: 0 auto;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer__dot {
  margin: 0 0.65rem;
  color: rgba(255, 255, 255, 0.28);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.page-404 {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background:
    radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.14), transparent 26%),
    #020202;
}

.error-shell {
  width: min(100%, 38rem);
  display: grid;
  justify-items: center;
  gap: 1.25rem;
  text-align: center;
}

.error-shell h1 {
  margin: 0;
  font-family: var(--font-brand);
  font-size: clamp(4rem, 16vw, 8rem);
  line-height: 0.82;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.error-shell p {
  margin: 0;
  max-width: 30rem;
  color: var(--color-black-soft);
  line-height: 1.8;
}

.error-shell a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(14px);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

@keyframes hero-float {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

@media (max-width: 860px) {
  .hero__nav {
    top: 1rem;
    right: 1rem;
  }

  .hero__wordmark {
    letter-spacing: 0.08em;
  }

  .member-card {
    min-height: 340px;
  }

  .paper-card {
    grid-template-columns: 1fr;
  }

  .paper-figure__frame {
    width: 100%;
  }

  .analysis-card__masthead {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .hero__nav {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }

  .hero__content {
    gap: 0.8rem;
  }

  .hero__scroll {
    bottom: 1.25rem;
  }

  .section-header h2 {
    max-width: 12ch;
  }

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

  .analysis-card__tags {
    gap: 0.55rem;
  }

  .analysis-tag {
    width: 100%;
    min-width: 0;
  }

  .analysis-figure {
    flex-basis: 100%;
  }

}

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

  .hero__scroll {
    animation: none;
  }

  .member-card,
  .reveal {
    transition: none;
  }
}