PHANTOM/docs/static/css/defense-theme.css

:root {
  --phantom-bg: #eef3f7;
  --phantom-paper: rgba(255, 255, 255, 0.78);
  --phantom-paper-solid: #ffffff;
  --phantom-ink: #1f2a38;
  --phantom-muted: #59636e;
  --phantom-faint: #dce5eb;
  --phantom-line: rgba(31, 42, 56, 0.13);
  --phantom-teal: #28aaa5;
  --phantom-teal-dark: #16837f;
  --phantom-blue: #527dad;
  --phantom-blue-soft: rgba(82, 125, 173, 0.18);
  --phantom-shadow: 0 28px 80px rgba(31, 42, 56, 0.12);
  --phantom-soft-shadow: 0 14px 45px rgba(31, 42, 56, 0.08);
}

html {
  scroll-behavior: smooth;
  background: var(--phantom-bg);
}

body {
  color: var(--phantom-ink);
  background:
    radial-gradient(70rem 22rem at 72% 8%, rgba(31, 42, 56, 0.15), transparent 58%),
    radial-gradient(54rem 24rem at 20% 62%, rgba(31, 42, 56, 0.12), transparent 62%),
    linear-gradient(180deg, #f7fafc 0%, var(--phantom-bg) 48%, #f8fafb 100%);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  letter-spacing: -0.02em;
}

body::before {
  content: "";
  position: fixed;
  inset: -20vh -10vw auto -10vw;
  height: 72vh;
  pointer-events: none;
  z-index: -1;
  opacity: 0.88;
  filter: blur(30px);
  background:
    radial-gradient(45rem 16rem at 9% 34%, rgba(18, 23, 31, 0.11), transparent 62%),
    radial-gradient(35rem 11rem at 65% 24%, rgba(18, 23, 31, 0.13), transparent 65%),
    radial-gradient(42rem 17rem at 45% 88%, rgba(82, 125, 173, 0.13), transparent 68%);
}

strong, b {
  font-weight: 700;
  color: inherit;
}

a {
  color: var(--phantom-blue);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

main {
  overflow: hidden;
}

.container.is-max-desktop {
  max-width: 1180px !important;
}

.section,
.hero-body {
  position: relative;
}

.section {
  padding: 5rem 1.5rem;
}

.title,
.subtitle,
h1,
h2,
h3,
h4,
button,
.button {
  /* important needed to beat index.css serif heading rule */
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace !important;
  letter-spacing: -0.04em;
}

/* Defense cover */
.defense-cover {
  min-height: 92vh;
  padding: 2rem 0 3.5rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(238, 243, 247, 0.92));
}

.defense-cover::after {
  content: "";
  position: absolute;
  right: -10vw;
  bottom: -13rem;
  width: 64vw;
  height: 26rem;
  background: rgba(31, 42, 56, 0.12);
  filter: blur(38px);
  border-radius: 65% 35% 47% 53%;
  transform: rotate(-8deg);
  pointer-events: none;
}

.defense-cover .hero-body {
  padding: 5.5rem 1.5rem 4rem;
}

.defense-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.72fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: center;
}

.defense-kicker,
.defense-meta-row,
.defense-chip-row,
.defense-mini-label,
.tpu-credit {
  color: rgba(31, 42, 56, 0.66);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.defense-kicker {
  margin-bottom: 1.2rem;
}

.publication-title.defense-title {
  margin: 0;
  color: var(--phantom-ink);
  font-size: clamp(4.25rem, 12vw, 10rem);
  line-height: 0.82;
  font-weight: 800;
  letter-spacing: -0.09em;
  text-transform: uppercase;
}

.defense-subtitle {
  max-width: 950px;
  margin: clamp(1.5rem, 3vw, 2.3rem) 0 0;
  color: var(--phantom-ink);
  font-size: clamp(1.55rem, 3.2vw, 3.35rem);
  line-height: 1.35;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.mark,
mark,
.defense-highlight {
  background: linear-gradient(0deg, var(--phantom-blue) 0%, var(--phantom-blue) 100%);
  color: #ffffff;
  padding: 0 0.1em;
  line-height: inherit;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.defense-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 0.9rem;
  margin-top: 2.15rem;
  text-transform: none;
  letter-spacing: -0.02em;
  font-size: clamp(0.92rem, 1.4vw, 1.2rem);
}

.defense-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: rgba(31, 42, 56, 0.70);
}

.defense-chip::before {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: var(--phantom-blue);
  box-shadow: 0 0 0 0.35rem var(--phantom-blue-soft);
}

.defense-meta-card {
  margin-top: 2.4rem;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  align-items: center;
  padding: 0.85rem 1rem;
  border: 1px solid var(--phantom-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(18px);
  box-shadow: var(--phantom-soft-shadow);
  color: rgba(31, 42, 56, 0.74);
  font-size: 0.95rem;
}

.defense-meta-card .dot {
  width: 0.26rem;
  height: 0.26rem;
  border-radius: 50%;
  background: var(--phantom-teal);
}

.defense-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.defense-links .button,
.publication-links .button {
  border: 1px solid rgba(31, 42, 56, 0.18) !important;
  background: rgba(31, 42, 56, 0.92) !important;
  color: #ffffff !important;
  box-shadow: 0 12px 30px rgba(31, 42, 56, 0.16);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.defense-links .button:hover,
.publication-links .button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(31, 42, 56, 0.20);
  background: var(--phantom-ink) !important;
}

.defense-links .button.is-light-outline {
  background: rgba(255, 255, 255, 0.72) !important;
  color: var(--phantom-ink) !important;
}

.tpu-credit {
  margin-top: 1.35rem;
  text-transform: none;
  letter-spacing: 0.02em;
}

.tpu-credit .accent {
  color: var(--phantom-blue);
  font-weight: 700;
}

.defense-visual {
  justify-self: end;
  width: min(100%, 430px);
}

.defense-orbit-card {
  position: relative;
  min-height: 435px;
  border: 1px solid var(--phantom-line);
  border-radius: 2rem;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.84), rgba(238, 243, 247, 0.68));
  box-shadow: var(--phantom-shadow);
  overflow: hidden;
}

.defense-orbit-card::before {
  content: "";
  position: absolute;
  inset: 2rem;
  border: 1px dashed rgba(31, 42, 56, 0.22);
  border-radius: 44% 56% 58% 42%;
  transform: rotate(-14deg);
}

.defense-orbit-card::after {
  content: "";
  position: absolute;
  right: -4rem;
  bottom: -5rem;
  width: 18rem;
  height: 12rem;
  background: rgba(40, 170, 165, 0.14);
  border-radius: 50%;
  filter: blur(18px);
}

.defense-art-stack {
  position: relative;
  display: grid;
  min-height: 435px;
  place-items: center;
  z-index: 1;
}

.defense-art-stack .agent-art {
  width: min(70%, 250px);
  transform: translateY(-12px);
  filter: drop-shadow(0 28px 28px rgba(31, 42, 56, 0.12));
}

.defense-art-stack .mini-token {
  position: absolute;
  width: 4.8rem;
  height: 4.8rem;
  display: grid;
  place-items: center;
  border-radius: 1.3rem;
  border: 1px solid rgba(82, 125, 173, 0.28);
  background: rgba(255, 255, 255, 0.72);
  color: var(--phantom-blue);
  box-shadow: var(--phantom-soft-shadow);
  font-size: 1.35rem;
}

.defense-art-stack .mini-token:nth-child(2) { top: 3.1rem; right: 3.2rem; }
.defense-art-stack .mini-token:nth-child(3) { left: 2.8rem; bottom: 6.1rem; color: var(--phantom-teal-dark); }
.defense-art-stack .mini-token:nth-child(4) { right: 5.6rem; bottom: 3.2rem; color: var(--phantom-ink); }

/* Defense overview strip */
.defense-overview-strip {
  margin-top: -3.8rem;
  padding: 0 1.5rem 4.6rem;
  position: relative;
  z-index: 2;
}

.defense-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.defense-overview-card,
.actor-card,
.defense-step,
.hf-callout,
.coi-equation,
pre,
.publication-banner {
  border: 1px solid var(--phantom-line);
  background: var(--phantom-paper);
  box-shadow: var(--phantom-soft-shadow);
  backdrop-filter: blur(18px);
}

.defense-overview-card {
  min-height: 9rem;
  padding: 1.3rem;
  border-radius: 1.4rem;
}

.defense-overview-card .num {
  color: var(--phantom-blue);
  font-weight: 700;
  font-size: 0.85rem;
}

.defense-overview-card h3 {
  margin: 1rem 0 0.45rem;
  color: var(--phantom-ink);
  font-size: clamp(1.15rem, 2vw, 1.65rem);
  line-height: 1.05;
}

.defense-overview-card p {
  color: var(--phantom-muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

/* Main sections */
.hero.teaser,
.hero.is-small,
.hero.is-small.is-light,
.hero.is-light,
.section.hero.is-light,
.defense-block {
  background: transparent !important;
}

.publication-banner {
  padding: 1rem;
  border-radius: 1.5rem;
  overflow: hidden;
}

.publication-banner img,
.actor-art img {
  filter: drop-shadow(0 18px 22px rgba(31, 42, 56, 0.10));
}

.defense-heading,
.title.is-3,
.content h2.title {
  color: var(--phantom-ink) !important;
  font-size: clamp(2rem, 4.5vw, 4.8rem) !important;
  /* enough leading that .mark backgrounds on wrapped lines don't overlap adjacent text */
  line-height: 1.2 !important;
  font-weight: 700 !important;
  letter-spacing: -0.06em !important;
  text-align: left !important;
  margin-bottom: 2rem !important;
}

.title.is-4,
.content h3.title {
  color: var(--phantom-ink) !important;
  font-size: clamp(1.35rem, 2.2vw, 2rem) !important;
  font-weight: 700 !important;
  letter-spacing: -0.05em !important;
  margin-top: 2rem !important;
}

.content {
  color: var(--phantom-muted);
  font-size: 1.02rem;
  line-height: 1.68;
}

.content.has-text-justified,
.content.has-text-justified p {
  text-align: left !important;
}

.content p + p {
  margin-top: 1.05rem;
}

.defense-block,
.section.hero.is-light {
  position: relative;
}

.defense-block::before,
.section.hero.is-light::before {
  content: "";
  position: absolute;
  inset: 1rem 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(31, 42, 56, 0.13), transparent);
}

.defense-block .defense-heading {
  margin-bottom: 3.5rem !important;
}

.actor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  position: relative;
  z-index: 1;
}

.actor-card {
  display: flex;
  flex-direction: column;
  min-height: 25rem;
  padding: 1.4rem;
  border-radius: 1.5rem;
}

.actor-card h3 {
  margin-top: 1.1rem;
  color: var(--phantom-ink);
  font-size: clamp(1.6rem, 3vw, 2.55rem);
  line-height: 1;
  font-weight: 700;
}

.actor-card p {
  margin-top: 1rem;
  color: var(--phantom-muted);
  font-size: 1rem;
  line-height: 1.45;
}

.actor-art {
  min-height: 12rem;
  display: grid;
  place-items: center;
}

.actor-art img {
  max-height: 10.5rem;
  width: auto;
}

.actor-icon {
  display: grid;
  width: 8.75rem;
  height: 8.75rem;
  place-items: center;
  border: 2px solid rgba(82, 125, 173, 0.55);
  border-radius: 1.7rem;
  background: linear-gradient(145deg, rgba(40, 170, 165, 0.20), rgba(255, 255, 255, 0.94));
  color: var(--phantom-teal-dark);
  font-size: 3.6rem;
  transform: rotate(-6deg);
}

.underline {
  text-decoration: underline;
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.13em;
}

.coi-equation {
  border-radius: 1.7rem;
  padding: clamp(1.6rem, 4vw, 3rem);
}

.coi-equation .formula {
  color: #111111;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 9vw, 7.6rem);
  line-height: 1;
  letter-spacing: -0.07em;
}

.coi-equation .caption {
  max-width: 780px;
  margin-top: 1.3rem;
  color: var(--phantom-muted);
  font-size: 1.05rem;
}

.defense-method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.defense-step {
  border-radius: 1.4rem;
  padding: 1.35rem;
}

.defense-step .step-num {
  display: inline-grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(40, 170, 165, 0.38);
  border-radius: 50%;
  color: var(--phantom-teal-dark);
  background: rgba(40, 170, 165, 0.10);
  font-weight: 700;
}

.defense-step h3 {
  margin: 0 0 0.55rem !important;
  font-size: 1.45rem !important;
}

.defense-step p {
  color: var(--phantom-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.takeaways {
  list-style: none;
  margin: 2rem 0 0 !important;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.takeaways li {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--phantom-line);
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.68);
}

.takeaways .num {
  color: var(--phantom-blue);
  font-size: 1.4rem;
  font-weight: 700;
}

.takeaways .stat {
  display: block;
  margin-top: 0.45rem;
  color: var(--phantom-muted);
  font-size: 0.9rem;
}

.deploy-line {
  margin: 2rem 0 0;
  color: var(--phantom-ink);
  font-size: clamp(1.45rem, 3vw, 2.5rem);
  line-height: 1.25;
  font-weight: 700;
}

.deploy-line strong {
  background: var(--phantom-blue);
  color: #ffffff;
  padding: 0 0.1em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.hf-callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  margin-top: 1.6rem;
  padding: 1.2rem;
  border-radius: 1.3rem;
}

.hf-emoji {
  width: 3.6rem;
  height: 3.6rem;
  display: grid;
  place-items: center;
  border-radius: 1rem;
  background: rgba(255, 215, 0, 0.20);
  font-size: 1.9rem;
}

.hf-callout h4 {
  margin: 0 0 0.3rem;
  color: var(--phantom-ink);
  font-size: 1.12rem;
}

.hf-callout p {
  margin: 0 0 0.35rem;
  color: var(--phantom-muted);
}

pre#bibtex-code,
pre {
  border-radius: 1.2rem;
  color: var(--phantom-ink);
}

.footer {
  background: rgba(255, 255, 255, 0.54);
  border-top: 1px solid var(--phantom-line);
  color: var(--phantom-muted);
}

.more-works-container,
.scroll-to-top {
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.more-works-btn,
.scroll-to-top {
  background: rgba(255, 255, 255, 0.78) !important;
  color: var(--phantom-ink) !important;
  border: 1px solid var(--phantom-line) !important;
  box-shadow: var(--phantom-soft-shadow) !important;
  backdrop-filter: blur(16px);
}

.more-works-dropdown {
  border: 1px solid var(--phantom-line) !important;
  border-radius: 1.2rem !important;
  box-shadow: var(--phantom-shadow) !important;
}

@media (max-width: 900px) {
  .defense-hero-grid,
  .defense-overview-grid,
  .actor-grid,
  .defense-method-grid {
    grid-template-columns: 1fr;
  }

  .defense-cover .hero-body {
    padding-top: 4rem;
  }

  .defense-visual {
    justify-self: stretch;
  }

  .defense-orbit-card,
  .defense-art-stack {
    min-height: 330px;
  }

  .defense-art-stack .agent-art {
    width: min(56%, 205px);
  }

  .defense-meta-card {
    border-radius: 1.2rem;
  }

  .publication-title.defense-title {
    font-size: clamp(4rem, 18vw, 6.2rem);
  }
}

@media (max-width: 560px) {
  .section {
    padding: 3.6rem 1.1rem;
  }

  .defense-cover .hero-body {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }

  .defense-subtitle {
    letter-spacing: 0.02em;
  }

  .takeaways li,
  .hf-callout {
    grid-template-columns: 1fr;
  }

  .defense-chip-row,
  .defense-links {
    flex-direction: column;
    align-items: stretch;
  }

  .defense-links .button {
    justify-content: center;
  }
}