.kdd-page {
  --kdd-ink: #11100d;
  --kdd-paper: #f3efe3;
  --kdd-white: #fffdf7;
  --kdd-gold: #c7a348;
  --kdd-rust: #a3472f;
  --kdd-teal: #356f69;
  --kdd-blue: #395796;
  background: var(--kdd-ink);
  color: var(--kdd-paper);
}
.kdd-page * {
  letter-spacing: 0;
}

.kdd-hero {
  position: relative;
  min-height: 690px;
  height: 78vh;
  max-height: 820px;
  display: flex;
  align-items: flex-end;
  padding: 68px 5vw;
  background-image: url("kdd2026-hero-v2.webp");
  background-size: cover;
  background-position: center 50%;
  isolation: isolate;
}

.kdd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(8, 8, 8, 0.58);
}

.kdd-hero-copy {
  width: min(850px, 100%);
  text-shadow: 0 2px 22px rgba(0, 0, 0, 0.7);
}

.kdd-hero .kicker {
  color: #f0c95c;
}

.kdd-hero h1 {
  max-width: 820px;
  margin: 12px 0 18px;
  color: #ffffff;
  font-size: 64px;
  line-height: 1.02;
}

.kdd-hero .lead {
  max-width: 760px;
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 21px;
  line-height: 1.55;
}

.kdd-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.kdd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.kdd-hero-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 4px;
  color: #ffffff;
  font-weight: 700;
}

.kdd-hero-actions a:first-child {
  border-color: var(--kdd-gold);
  background: var(--kdd-gold);
  color: var(--kdd-ink);
}

.kdd-fact-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid rgba(199, 163, 72, 0.24);
}

.kdd-fact-strip div {
  min-height: 132px;
  padding: 28px 5vw;
  border-right: 1px solid rgba(199, 163, 72, 0.18);
}

.kdd-fact-strip div:last-child {
  border-right: 0;
}

.kdd-fact-strip strong {
  display: block;
  color: #ffffff;
  font-size: 31px;
  line-height: 1.1;
}

.kdd-fact-strip span {
  display: block;
  margin-top: 8px;
  color: rgba(243, 239, 227, 0.68);
  font-size: 13px;
  line-height: 1.45;
}

.kdd-band {
  padding: 92px 5vw;
}

.kdd-band.light {
  background: var(--kdd-paper);
  color: var(--kdd-ink);
}

.kdd-band.white {
  background: var(--kdd-white);
  color: var(--kdd-ink);
}

.kdd-intro {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: 7vw;
  align-items: start;
}

.kdd-band h2 {
  margin: 8px 0 22px;
  font-size: 42px;
  line-height: 1.12;
}

.kdd-band h3 {
  margin: 38px 0 14px;
  font-size: 25px;
  line-height: 1.2;
}

.kdd-copy {
  max-width: 820px;
}

.kdd-copy p,
.kdd-copy li,
.kdd-paper-copy p,
.kdd-paper-copy li,
.kdd-faq p {
  font-size: 17px;
  line-height: 1.82;
}

.kdd-copy p:first-child {
  margin-top: 0;
  font-size: 22px;
  line-height: 1.62;
}

.kdd-paper {
  display: grid;
  grid-template-columns: minmax(340px, 0.86fr) minmax(0, 1.14fr);
  gap: 6vw;
  align-items: start;
}

.kdd-paper.reverse {
  grid-template-columns: minmax(0, 1.14fr) minmax(340px, 0.86fr);
}

.kdd-paper.reverse .kdd-paper-visual {
  order: 2;
}

.kdd-paper-visual {
  margin: 0;
}

.kdd-paper-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid rgba(17, 16, 13, 0.15);
}

.kdd-paper-visual.landscape img {
  aspect-ratio: 4 / 3;
}

.kdd-paper-visual figcaption,
.kdd-gallery figcaption {
  margin-top: 10px;
  color: rgba(17, 16, 13, 0.62);
  font-size: 13px;
  line-height: 1.5;
}

.kdd-paper-title {
  margin: 4px 0 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 37px;
  line-height: 1.12;
}

.kdd-venue {
  margin: 0 0 28px;
  color: var(--kdd-rust);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.5;
  text-transform: uppercase;
}

.kdd-formula {
  margin: 26px 0;
  padding: 18px 20px;
  border-left: 3px solid var(--kdd-teal);
  background: rgba(53, 111, 105, 0.09);
  color: #173b38;
  font-family: Consolas, "Courier New", monospace;
  font-size: 15px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.kdd-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 30px 0;
  border-block: 1px solid rgba(17, 16, 13, 0.2);
}

.kdd-metrics div {
  padding: 20px 18px 20px 0;
}

.kdd-metrics strong {
  display: block;
  color: var(--kdd-rust);
  font-size: 28px;
}

.kdd-metrics span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.5;
}

.kdd-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 28px;
}

.kdd-link-row a {
  color: var(--kdd-rust);
  font-weight: 800;
}

.kdd-depth {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 34px 0;
  border-top: 1px solid rgba(17, 16, 13, 0.18);
}

.kdd-depth div {
  padding: 18px 18px 18px 0;
  border-bottom: 1px solid rgba(17, 16, 13, 0.18);
}

.kdd-depth strong {
  display: block;
  color: var(--kdd-teal);
  font-size: 18px;
}

.kdd-depth span {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.55;
}

.kdd-bridge {
  max-width: 1060px;
  margin: 0 auto;
  text-align: center;
}

.kdd-bridge p {
  color: rgba(243, 239, 227, 0.76);
  font-size: 21px;
  line-height: 1.72;
}

.kdd-boundaries {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(17, 16, 13, 0.16);
  border: 1px solid rgba(17, 16, 13, 0.16);
}

.kdd-boundaries article {
  min-height: 220px;
  padding: 28px;
  background: var(--kdd-white);
}

.kdd-boundaries h3 {
  margin-top: 0;
}

.kdd-boundaries p,
.kdd-boundaries li {
  font-size: 15px;
  line-height: 1.7;
}

.kdd-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.kdd-gallery figure {
  margin: 0;
}

.kdd-gallery img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.kdd-faq {
  max-width: 960px;
  margin: 0 auto;
}

.kdd-faq details {
  padding: 20px 0;
  border-bottom: 1px solid rgba(17, 16, 13, 0.18);
}

.kdd-faq summary {
  cursor: pointer;
  font-size: 19px;
  font-weight: 800;
}

.kdd-source-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.kdd-source-list a {
  color: var(--kdd-rust);
  overflow-wrap: anywhere;
}

.kdd-paper-index {
  max-width: 1120px;
  margin: 0 auto;
}

.kdd-tech-record {
  padding: 42px 0;
  border-top: 1px solid rgba(17, 16, 13, 0.18);
}

.kdd-tech-record:first-of-type {
  border-top: 0;
}

.kdd-citation {
  padding: 18px 20px;
  border-left: 3px solid var(--kdd-blue);
  background: rgba(57, 87, 150, 0.08);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 16px;
  line-height: 1.65;
}

@media (max-width: 980px) {
  .kdd-hero {
    min-height: 620px;
    height: 74vh;
    background-position: 46% 50%;
  }

  .kdd-hero h1 {
    font-size: 48px;
  }

  .kdd-fact-strip,
  .kdd-depth {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kdd-intro,
  .kdd-paper,
  .kdd-paper.reverse {
    grid-template-columns: 1fr;
  }

  .kdd-paper.reverse .kdd-paper-visual {
    order: 0;
  }

  .kdd-paper-visual {
    width: min(680px, 100%);
  }
}

@media (max-width: 680px) {
  .kdd-hero {
    min-height: 610px;
    height: 78vh;
    padding: 42px 5vw;
    background-position: 24% 50%;
  }

  .kdd-hero h1 {
    font-size: 38px;
    line-height: 1.06;
  }

  .kdd-hero .lead {
    font-size: 17px;
  }

  .kdd-hero-meta {
    font-size: 12px;
  }

  .kdd-fact-strip,
  .kdd-metrics,
  .kdd-depth,
  .kdd-boundaries,
  .kdd-gallery {
    grid-template-columns: 1fr;
  }

  .kdd-fact-strip div {
    min-height: 104px;
    padding: 22px 5vw;
    border-right: 0;
    border-bottom: 1px solid rgba(199, 163, 72, 0.18);
  }

  .kdd-band {
    padding: 70px 5vw;
  }

  .kdd-band h2 {
    font-size: 34px;
  }

  .kdd-paper-title {
    font-size: 31px;
  }

  .kdd-copy p:first-child {
    font-size: 19px;
  }
}