:root {
  --lime: #d4ff02;
  --ink: #080808;
  --paper: #ffffff;
  --muted: #747474;
  --font-geist-sans: "Geist", Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-geist-sans), Arial, Helvetica, sans-serif;
  font-weight: 500;
  letter-spacing: -0.012em;
  -webkit-font-smoothing: antialiased;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.masthead {
  padding: 0 0.75rem 0.75rem;
}

.wordmark {
  margin: 0;
  padding: 0.35rem 0 0.15rem;
  font-size: clamp(2.7rem, 8.72vw, 9rem);
  font-weight: 850;
  line-height: 0.92;
  letter-spacing: -0.072em;
  white-space: nowrap;
}

.hero-shell {
  position: relative;
  min-height: calc(100vh - 9.2vw - 1rem);
  overflow: hidden;
  border-radius: 1.25rem;
  color: white;
  background:
    linear-gradient(100deg, rgba(1, 8, 18, 0.91) 0%, rgba(2, 11, 24, 0.48) 44%, rgba(1, 8, 18, 0.14) 74%),
    url("../images/motion-background.jpg") 50% 52% / cover no-repeat;
}

.hero-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(to top, rgba(0, 6, 14, 0.46), transparent 50%);
}

.site-header {
  position: relative;
  z-index: 2;
  padding: 0;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  min-height: 4.6rem;
  padding: 0 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.34);
}

.mini-mark {
  justify-self: start;
}

.mini-mark,
.header-cta {
  transition: opacity 180ms ease;
}

.mini-mark:hover,
.header-cta:hover {
  opacity: 0.62;
}

.nav-prompt {
  justify-self: center;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.7rem;
}

.header-cta {
  justify-self: end;
  padding-bottom: 0.2rem;
  border-bottom: 1px solid currentColor;
}

.nav-carousel {
  overflow: hidden;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(2, 10, 20, 0.2);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.nav-carousel-track {
  display: flex;
  width: max-content;
  animation: nav-carousel 34s linear infinite;
}

.nav-carousel:hover .nav-carousel-track {
  animation-play-state: paused;
}

.nav-carousel-group {
  display: flex;
  gap: 0.75rem;
  padding-right: 0.75rem;
}

.nav-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 1fr;
  min-width: clamp(13rem, 18vw, 18rem);
  min-height: 6.6rem;
  padding: 0.95rem 1.05rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 0.7rem;
  background: rgba(255, 255, 255, 0.14);
  transition: background 180ms ease, color 180ms ease;
}

.nav-card span {
  grid-column: 1 / -1;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
}

.nav-card strong {
  align-self: end;
  font-size: clamp(1rem, 1.3vw, 1.3rem);
  font-weight: 850;
  line-height: 1;
  letter-spacing: -0.04em;
}

.nav-card b {
  align-self: end;
  font-size: 1rem;
}

.nav-card:hover,
.nav-card:focus-visible {
  outline: none;
  background: var(--lime);
  color: var(--ink);
}

.nav-card:hover span,
.nav-card:focus-visible span {
  color: var(--ink);
}

@keyframes nav-carousel {
  to { transform: translateX(-50%); }
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: calc(100vh - 9.2vw - 5rem);
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(2rem, 4vw, 4.8rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.15rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow span {
  display: block;
  width: 2rem;
  height: 0.28rem;
  background: var(--lime);
}

.hero-content h2 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(4rem, 9vw, 9rem);
  font-weight: 850;
  line-height: 0.82;
  letter-spacing: -0.07em;
  text-transform: uppercase;
}

.hero-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 2.5rem;
}

.hero-bottom p {
  max-width: 31rem;
  margin: 0;
  font-size: clamp(0.95rem, 1.25vw, 1.2rem);
  line-height: 1.45;
}

.button {
  display: inline-flex;
  min-width: 11.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.05rem 1.15rem;
  border-radius: 0.4rem;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease;
}

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

.button-light {
  color: var(--ink);
  background: white;
}

.button-light:hover {
  background: var(--lime);
}

.ticker {
  overflow: hidden;
  background: var(--lime);
  border-block: 1px solid var(--ink);
  color: white;
}

.ticker-track {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 2.4rem;
  padding: 1.35rem 0;
  animation: ticker 22s linear infinite;
  font-size: clamp(0.95rem, 1.35vw, 1.3rem);
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ticker-track b {
  font-size: 0.45rem;
}

@keyframes ticker {
  to { transform: translateX(-50%); }
}

.section-wrap {
  width: min(100% - 3rem, 1320px);
  margin-inline: auto;
  padding-block: clamp(5.5rem, 9vw, 9rem);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(16rem, 0.5fr);
  align-items: end;
  gap: 4rem;
  margin-bottom: clamp(2.75rem, 5vw, 5rem);
}

.section-heading.compact {
  display: block;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1.15rem;
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.section-label span {
  display: inline-grid;
  width: 1.6rem;
  height: 1.6rem;
  place-items: center;
  border-radius: 50%;
  background: var(--lime);
  letter-spacing: 0;
}

.section-heading h2,
.manifesto h2,
.newsletter h2 {
  margin: 0;
  font-size: clamp(3.3rem, 7.3vw, 7.25rem);
  font-weight: 850;
  line-height: 0.86;
  letter-spacing: -0.068em;
  text-transform: uppercase;
}

.section-intro {
  max-width: 25rem;
  margin: 0 0 0.5rem;
  color: #444;
  font-size: 1rem;
  line-height: 1.55;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.article-cover {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border-radius: 0.8rem;
  background: #0c1622;
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(.2,.7,.2,1), filter 300ms ease;
}

.article-cover:hover img {
  transform: scale(1.025);
  filter: brightness(0.88);
}

.cover-vo2 img { object-position: center top; }
.cover-easy img { object-position: center top; }
.cover-abstract img { object-position: 54% center; }

.article-arrow {
  position: absolute;
  right: 1rem;
  top: 1rem;
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  border-radius: 50%;
  color: var(--ink);
  background: var(--lime);
  font-size: 1.25rem;
  transition: transform 180ms ease;
}

.article-cover:hover .article-arrow { transform: rotate(45deg); }

.article-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 1.05rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.article-card h3 {
  margin: 0.8rem 0 0;
  font-size: clamp(1.35rem, 2vw, 2rem);
  font-weight: 750;
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.article-card h3 a:hover { text-decoration: underline; text-decoration-thickness: 2px; }

.article-card > p {
  max-width: 26rem;
  margin: 0.8rem 0 0;
  color: #565656;
  font-size: 0.91rem;
  line-height: 1.5;
}

.text-link {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 4rem;
  margin-top: 3.5rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--ink);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.manifesto {
  display: grid;
  grid-template-columns: 0.5fr 1.3fr 0.7fr;
  align-items: end;
  gap: clamp(2rem, 5vw, 6rem);
  padding: clamp(4rem, 7vw, 7rem) max(1.5rem, calc((100vw - 1320px) / 2));
  background: #f2f2ee;
  border-block: 1px solid #d9d9d2;
}

.manifesto-mark {
  align-self: start;
  width: max-content;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.manifesto-copy {
  padding-bottom: 0.35rem;
}

.manifesto-copy p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.55;
}

.manifesto-copy p + p { margin-top: 1.25rem; }

.topics { padding-bottom: clamp(5rem, 8vw, 8rem); }

.topic-list {
  border-top: 1px solid var(--ink);
}

.topic-list > a {
  display: grid;
  grid-template-columns: 5rem 1fr minmax(16rem, 0.7fr) 3rem;
  align-items: center;
  gap: 2rem;
  min-height: 9rem;
  border-bottom: 1px solid var(--ink);
  transition: background 180ms ease, padding 180ms ease;
}

.topic-list > a:hover {
  padding-inline: 1.25rem;
  background: var(--lime);
}

.topic-number {
  font-size: 0.68rem;
  font-weight: 800;
}

.topic-list h3 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 850;
  line-height: 0.9;
  letter-spacing: -0.058em;
  text-transform: uppercase;
}

.topic-list p {
  margin: 0;
  color: #4e4e4e;
  font-size: 0.9rem;
  line-height: 1.45;
}

.topic-arrow {
  font-size: 1.5rem;
  text-align: right;
}

.newsletter {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: end;
  gap: clamp(3rem, 8vw, 9rem);
  margin: 0 0.75rem;
  padding: clamp(3.5rem, 7vw, 7rem);
  border-radius: 1.25rem;
  background: var(--lime);
}

.newsletter .section-label span { background: var(--paper); }

.newsletter-form-wrap > p {
  max-width: 27rem;
  margin: 0 0 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
}

.newsletter form {
  display: flex;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--ink);
}

.newsletter input {
  min-width: 0;
  flex: 1;
  padding: 1rem 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
}

.newsletter input::placeholder { color: rgba(8, 8, 8, 0.62); }

.newsletter button {
  border: 0;
  border-radius: 0.35rem;
  padding: 0.9rem 1rem;
  background: var(--ink);
  color: white;
  cursor: pointer;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.newsletter small {
  display: block;
  margin-top: 0.8rem;
  font-size: 0.68rem;
}

.success-message {
  padding: 1.2rem;
  border: 2px solid var(--ink);
  font-weight: 700;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem 3rem;
  padding: 4rem max(1.5rem, calc((100vw - 1320px) / 2)) 2rem;
}

.footer-brand {
  font-size: clamp(2rem, 5vw, 5rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.065em;
}

footer > p {
  align-self: end;
  margin: 0;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-links {
  grid-column: 1 / -1;
  display: flex;
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ink);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-links span { margin-left: auto; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track,
  .nav-carousel-track { animation: none; }
}

@media (max-width: 720px) {
  .masthead { padding: 0 0.5rem 0.5rem; }
  .wordmark {
    padding: 0.55rem 0 0.35rem;
    font-size: clamp(2rem, 10.2vw, 4.5rem);
  }
  .hero-shell {
    min-height: 78svh;
    border-radius: 0.8rem;
    background-position: 56% 50%;
  }
  .site-header {
    padding: 0;
  }
  .header-top {
    display: flex;
    justify-content: space-between;
    min-height: 3.8rem;
    padding: 0 1rem;
  }
  .nav-prompt { display: none; }
  .header-cta { font-size: 0.68rem; }
  .nav-carousel { padding: 0.65rem 0; }
  .nav-card {
    min-width: 11.5rem;
    min-height: 5.4rem;
    padding: 0.8rem 0.85rem;
  }
  .nav-card strong { font-size: 1rem; }
  .hero-content {
    min-height: calc(78svh - 3.4rem);
    padding: 1.25rem;
  }
  .hero-content h2 {
    font-size: clamp(3.2rem, 17vw, 5.4rem);
  }
  .hero-bottom {
    align-items: stretch;
    flex-direction: column;
    margin-top: 1.75rem;
  }
  .hero-bottom p { max-width: 19rem; }
  .button { width: 100%; }

  .section-wrap {
    width: min(100% - 2rem, 1320px);
    padding-block: 5rem;
  }

  .section-heading {
    display: block;
    margin-bottom: 2.5rem;
  }

  .section-heading h2,
  .manifesto h2,
  .newsletter h2 {
    font-size: clamp(3rem, 15vw, 5rem);
  }

  .section-intro { margin-top: 1.5rem; }

  .article-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .article-cover { aspect-ratio: 4 / 4.8; }

  .text-link {
    width: 100%;
    justify-content: space-between;
  }

  .manifesto {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 2.25rem;
    padding: 4rem 1rem;
  }

  .topic-list > a {
    grid-template-columns: 2.25rem 1fr 2rem;
    gap: 0.8rem;
    min-height: 7rem;
  }

  .topic-list p { display: none; }
  .topic-list h3 { font-size: clamp(2.25rem, 12vw, 4rem); }

  .newsletter {
    grid-template-columns: 1fr;
    gap: 3rem;
    margin: 0 0.5rem;
    padding: 3.5rem 1.25rem;
    border-radius: 0.8rem;
  }

  .newsletter form { display: block; }
  .newsletter input { width: 100%; }
  .newsletter button { width: 100%; margin-top: 0.75rem; }

  footer {
    grid-template-columns: 1fr;
    padding: 3rem 1rem 1.5rem;
  }

  .footer-links { flex-wrap: wrap; margin-top: 1.5rem; }
  .footer-links span { width: 100%; margin-left: 0; }
}