.abstract-space-page .abstract-hero,
.abstract-space-page .abstract-section,
.abstract-space-page .abstract-final-cta {
  position: relative;
  z-index: 1;
}

.abstract-hero {
  min-height: min(540px, 66vh);
  padding: clamp(4.55rem, 5.1vw, 5.15rem) 2rem clamp(0.75rem, 1.5vw, 1.15rem);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.abstract-hero::before {
  content: '';
  position: absolute;
  inset: 12% 0 auto;
  height: 62%;
  background:
    radial-gradient(circle at 18% 38%, rgba(0, 229, 255, 0.18), transparent 34%),
    radial-gradient(circle at 80% 16%, rgba(123, 47, 255, 0.22), transparent 32%),
    linear-gradient(135deg, rgba(0, 229, 255, 0.08), transparent 46%, rgba(255, 45, 107, 0.08));
  filter: blur(4px);
  opacity: 0.8;
  pointer-events: none;
}

.abstract-hero-grid {
  width: min(100%, var(--container-wide));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(1.25rem, 2.8vw, 2.35rem);
  align-items: center;
}

.abstract-hero-copy {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.abstract-hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3.45rem, 7vw, 6rem);
  line-height: 0.96;
  letter-spacing: 0;
  color: var(--text-primary);
  text-shadow: 0 0 34px rgba(0, 229, 255, 0.16);
}

.abstract-hero-kicker {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--cyan);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.abstract-actions {
  margin-top: 0.55rem;
}

.abstract-signal-panel {
  position: relative;
  min-height: 390px;
  padding: clamp(0.72rem, 1.35vw, 0.95rem);
  border: 1px solid var(--border);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(17, 34, 56, 0.72), rgba(5, 10, 20, 0.52)),
    radial-gradient(circle at 50% 28%, rgba(0, 229, 255, 0.15), transparent 45%);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34), inset 0 0 42px rgba(0, 229, 255, 0.035);
  overflow: hidden;
}

.abstract-signal-panel::before,
.abstract-signal-panel::after {
  content: '';
  position: absolute;
  inset: 1rem;
  border: 1px solid rgba(0, 229, 255, 0.1);
  border-radius: 6px;
  pointer-events: none;
}

.abstract-signal-panel::after {
  inset: auto 0 0;
  height: 2px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.35);
}

.signal-panel-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.panel-tag {
  color: var(--cyan);
}

.panel-index {
  color: var(--text-muted);
}

.research-artifact {
  position: relative;
  width: 100%;
  max-width: 820px;
  margin: clamp(0.6rem, 1.35vw, 0.95rem) auto;
  padding: clamp(0.52rem, 1vw, 0.72rem);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 8px;
  background:
    linear-gradient(rgba(0, 229, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.055) 1px, transparent 1px),
    radial-gradient(circle at 74% 26%, rgba(123, 47, 255, 0.18), transparent 42%),
    rgba(2, 4, 8, 0.42);
  background-size: 34px 34px, 34px 34px, auto, auto;
  box-shadow: inset 0 0 38px rgba(0, 229, 255, 0.055), 0 0 70px rgba(123, 47, 255, 0.12);
  overflow: hidden;
}

.research-artifact::before,
.research-artifact::after {
  content: '';
  position: absolute;
  pointer-events: none;
}

.research-artifact::before {
  inset: 0;
  background: linear-gradient(110deg, transparent, rgba(0, 229, 255, 0.08), transparent 58%);
  transform: translateX(-38%);
}

.research-artifact::after {
  width: 9px;
  height: 9px;
  right: 1.2rem;
  top: 1.2rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.8);
}

.math-artifact,
.math-artifact-label {
  position: relative;
  z-index: 1;
}

.math-artifact {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: 0.68rem 1.05rem;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid rgba(0, 229, 255, 0.18);
  border-radius: 8px;
  background: rgba(2, 8, 20, 0.45);
  color: var(--text-primary);
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 229, 255, 0.35) rgba(2, 8, 20, 0.4);
}

.math-artifact mjx-container {
  max-width: 100%;
  margin: 0 !important;
  font-size: 86% !important;
  line-height: 1.4 !important;
}

.math-artifact mjx-container svg {
  max-width: none;
}

.math-artifact-label {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.signal-list {
  display: grid;
  gap: 0.38rem;
}

.signal-list div {
  padding: 0.46rem 0.6rem;
  border: 1px solid rgba(0, 229, 255, 0.12);
  border-radius: 6px;
  background: rgba(2, 4, 8, 0.36);
}

.signal-list strong {
  display: block;
  margin-bottom: 0.14rem;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 0.95rem;
  line-height: 1.2;
}

.signal-list span {
  display: block;
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.3;
}

.abstract-section {
  padding: clamp(1.25rem, 2vw, 1.75rem) 2rem;
}

.abstract-space-page .hero-subtitle {
  max-width: 740px;
  margin-top: 0.82rem;
  line-height: 1.54;
}

.community-origin-note {
  max-width: 740px;
  margin: 0.82rem 0 0.95rem;
  padding: 0.72rem 0.9rem;
  border: 1px solid rgba(0, 229, 255, 0.13);
  border-left: 3px solid rgba(0, 229, 255, 0.72);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(0, 229, 255, 0.075), rgba(0, 229, 255, 0.026)),
    rgba(2, 8, 20, 0.28);
  box-shadow: 0 12px 34px rgba(0, 229, 255, 0.045);
  color: rgba(225, 239, 255, 0.84);
  font-size: clamp(0.9rem, 1.05vw, 0.96rem);
  line-height: 1.48;
}

.abstract-section .section-header {
  max-width: 940px;
  margin-bottom: clamp(0.62rem, 1.05vw, 0.85rem);
}

.abstract-section .section-title {
  max-width: 900px;
}

.abstract-card-grid,
.format-grid {
  width: min(100%, var(--container-wide));
  margin: 0 auto;
  display: grid;
  gap: 0.8rem;
}

.abstract-card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.abstract-card,
.format-card {
  position: relative;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(17, 34, 56, 0.62), rgba(5, 10, 20, 0.6));
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.abstract-card:hover,
.format-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-bright);
  box-shadow: 0 20px 45px rgba(0, 229, 255, 0.08);
}

.abstract-card {
  padding: clamp(1.1rem, 1.8vw, 1.45rem);
}

.abstract-card::before,
.format-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), transparent);
  opacity: 0.75;
}

.abstract-card-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 6px;
  color: var(--cyan);
  background: var(--cyan-dim);
  box-shadow: 0 0 22px rgba(0, 229, 255, 0.08);
}

.math-artifact-icon {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0;
}

.math-artifact-icon sup {
  font-size: 0.62em;
}

.abstract-card h3,
.format-card h3 {
  margin-bottom: 0.48rem;
  font-family: var(--font-display);
  font-size: 1.14rem;
  color: var(--text-primary);
}

.abstract-card p,
.format-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

.join-section {
  position: relative;
  padding-top: clamp(1rem, 1.6vw, 1.4rem);
  padding-bottom: clamp(1.15rem, 1.8vw, 1.55rem);
}

#how-to-join {
  scroll-margin-top: 96px;
}

.join-section .section-header {
  margin-bottom: clamp(0.48rem, 0.8vw, 0.68rem);
}

.join-section .section-title {
  font-size: clamp(1.8rem, 3vw, 2.65rem);
}

.join-section .section-subtitle {
  margin-top: 0.85rem;
}

.join-grid {
  width: min(100%, var(--container-wide));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.58rem;
}

.join-card {
  position: relative;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.38rem;
  padding: clamp(0.58rem, 0.78vw, 0.72rem);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(17, 34, 56, 0.62), rgba(5, 10, 20, 0.6));
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

.join-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), transparent);
  opacity: 0.75;
}

.join-card-featured {
  border-color: rgba(0, 229, 255, 0.34);
  background:
    radial-gradient(circle at 12% 14%, rgba(0, 229, 255, 0.14), transparent 34%),
    linear-gradient(180deg, rgba(17, 34, 56, 0.72), rgba(5, 10, 20, 0.68));
}

.join-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.join-icon {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 6px;
  color: var(--cyan);
  background: var(--cyan-dim);
  box-shadow: 0 0 22px rgba(0, 229, 255, 0.08);
  font-size: 1.1rem;
}

.join-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.24rem 0.48rem;
  border: 1px solid rgba(0, 229, 255, 0.18);
  border-radius: 999px;
  color: rgba(235, 250, 255, 0.82);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.join-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-primary);
}

.join-features {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.3;
}

.join-features li {
  position: relative;
  padding-left: 1.15rem;
}

.join-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.55);
}

.join-card .cta-button,
.join-card .cta-button-secondary {
  width: fit-content;
  margin-top: 0.05rem;
}

.format-number {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.format-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.format-card {
  padding: clamp(0.72rem, 1vw, 0.9rem);
}

.format-number {
  display: inline-block;
  margin-bottom: 0.52rem;
}

.abstract-final-cta {
  padding: clamp(0.85rem, 1.35vw, 1.15rem) 2rem clamp(0.65rem, 1.05vw, 0.95rem);
}

.abstract-space-page .final-cta-content {
  padding: clamp(0.95rem, 1.55vw, 1.35rem) clamp(1rem, 2vw, 1.6rem);
}

.abstract-space-page .final-cta-content h2 {
  font-size: clamp(1.45rem, 2.35vw, 2rem);
  margin-bottom: 0.55rem;
}

.abstract-space-page .final-cta-content p {
  margin-bottom: 0.8rem;
  font-size: 0.96rem;
  line-height: 1.5;
}

.abstract-space-page .footer {
  padding-top: clamp(1.35rem, 2.1vw, 2.1rem);
}

.abstract-space-page .footer-container {
  margin-bottom: clamp(2rem, 3vw, 3rem);
}

@media (max-width: 1100px) {
  .abstract-hero-grid,
  .abstract-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .abstract-hero-grid {
    align-items: start;
  }

  .abstract-signal-panel {
    min-height: auto;
  }
}

@media (max-width: 900px) {
  .join-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .abstract-hero {
    min-height: auto;
    padding: 5.75rem 1.25rem 1.85rem;
  }

  .abstract-hero-grid,
  .abstract-card-grid,
  .join-grid,
  .format-grid {
    grid-template-columns: 1fr;
  }

  .abstract-hero-title {
    font-size: clamp(3.1rem, 16vw, 5rem);
    line-height: 1;
  }

  .abstract-hero-kicker {
    font-size: 0.86rem;
    line-height: 1.55;
  }

  .community-origin-note {
    margin: 0.72rem 0 0.85rem;
    padding: 0.65rem 0.78rem;
    font-size: 0.9rem;
    line-height: 1.46;
  }

  .abstract-section {
    padding: 1.65rem 1.25rem;
  }

  .math-artifact mjx-container {
    font-size: 74% !important;
  }

  .math-artifact {
    justify-content: flex-start;
    padding: 0.85rem 1rem;
  }

}

@media (max-width: 480px) {
  .abstract-hero {
    padding: 5.65rem 1rem 1.65rem;
  }

  .abstract-hero-title {
    font-size: clamp(2.8rem, 17vw, 4.2rem);
  }

  .abstract-signal-panel,
  .abstract-card,
  .join-card,
  .format-card {
    border-radius: 6px;
  }

  .research-artifact {
    width: 100%;
  }
}