.technical-page {
  background: var(--mineral-white);
  color: #161818;
}

.technical-page .site-header {
  background: rgba(8, 11, 10, 0.94);
}

.technical-main {
  padding-top: 78px;
}

.technical-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: clamp(48px, 9vw, 150px);
  padding: clamp(72px, 9vw, 128px) clamp(28px, 6vw, 92px) 76px;
  background: #08100f;
  color: var(--text);
}

.technical-hero h1 {
  max-width: 900px;
  margin: 24px 0 26px;
  font-family: var(--serif);
  font-size: clamp(50px, 7vw, 104px);
  font-weight: 400;
  line-height: 0.95;
}

.technical-hero__lead {
  max-width: 780px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 1.7vw, 24px);
}

.technical-hero__index {
  align-self: end;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: topics;
  border-top: 1px solid var(--line);
}

.technical-hero__index li {
  counter-increment: topics;
  border-bottom: 1px solid var(--line);
}

.technical-hero__index a {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 13px 0;
  color: var(--muted);
  font-size: 13px;
}

.technical-hero__index a::before {
  content: counter(topics, decimal-leading-zero);
  color: var(--accent);
}

.technical-hero__index a:hover {
  color: var(--text);
}

.technical-intro {
  display: grid;
  grid-template-columns: minmax(220px, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(40px, 9vw, 140px);
  padding: 72px clamp(28px, 6vw, 92px);
  background: #e5e1da;
}

.technical-intro h2,
.technical-solution h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.02;
}

.technical-intro h2 {
  font-size: clamp(38px, 5vw, 68px);
}

.technical-intro p {
  max-width: 820px;
  margin: 0;
  color: rgba(22, 24, 24, 0.72);
  font-size: 18px;
}

.technical-solutions {
  background: var(--mineral-white);
}

.technical-solution {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(42px, 8vw, 120px);
  padding: 80px clamp(28px, 6vw, 92px);
  border-top: 1px solid rgba(22, 24, 24, 0.16);
}

.technical-solution:nth-child(even) {
  background: #ece9e3;
}

.solution-number {
  margin: 0 0 22px;
  color: var(--green-grey);
  font-size: 12px;
  font-weight: 700;
}

.technical-solution h2 {
  font-size: clamp(38px, 4.4vw, 66px);
}

.solution-summary {
  margin: 24px 0 0;
  color: rgba(22, 24, 24, 0.7);
  font-size: 17px;
}

.solution-specs {
  display: grid;
  gap: 0;
  margin: 34px 0 0;
}

.solution-specs div {
  display: grid;
  grid-template-columns: minmax(110px, 0.75fr) minmax(0, 1.25fr);
  gap: 20px;
  padding: 12px 0;
  border-top: 1px solid rgba(22, 24, 24, 0.16);
}

.solution-specs dt {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.solution-specs dd {
  margin: 0;
  color: rgba(22, 24, 24, 0.7);
}

.solution-media {
  min-width: 0;
}

.solution-media__heading,
.result-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.solution-media__heading h3,
.result-heading h3 {
  margin: 0;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pdf-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.pdf-links a {
  color: var(--green-grey);
  font-size: 13px;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.drawing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.drawing-grid--single {
  grid-template-columns: minmax(0, 1fr);
}

.drawing-sheet {
  position: relative;
  display: block;
  width: 100%;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(22, 24, 24, 0.16);
  background: #fff;
  cursor: zoom-in;
}

.drawing-sheet img {
  width: 100%;
  height: auto;
  aspect-ratio: 1.414 / 1;
  object-fit: contain;
  background: #fff;
}

.drawing-sheet span {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 5px 8px;
  background: rgba(8, 11, 10, 0.82);
  color: #fff;
  font-size: 11px;
}

.solution-result {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid rgba(22, 24, 24, 0.16);
}

.result-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.result-gallery img,
.solution-result video {
  max-height: 560px;
  background: #111;
  object-fit: cover;
}

.result-gallery img {
  width: 100%;
  aspect-ratio: 4 / 5;
}

.solution-result video {
  display: block;
  width: auto;
  max-width: 100%;
  height: min(70vh, 680px);
  margin: 0 auto;
  object-fit: contain;
}

.drawing-lightbox {
  width: min(96vw, 1500px);
  max-width: none;
  height: min(94vh, 1050px);
  padding: 48px 62px 38px;
  border: 0;
  background: #111;
  color: #fff;
}

.drawing-lightbox::backdrop {
  background: rgba(0, 0, 0, 0.88);
}

.drawing-lightbox img {
  width: 100%;
  height: calc(100% - 34px);
  object-fit: contain;
}

.drawing-lightbox__close,
.drawing-lightbox__nav {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.36);
  background: rgba(17, 17, 17, 0.82);
  color: #fff;
  cursor: pointer;
}

.drawing-lightbox__close {
  top: 10px;
  right: 12px;
  width: 38px;
  height: 38px;
  font-size: 24px;
}

.drawing-lightbox__nav {
  top: 50%;
  width: 42px;
  height: 42px;
  font-size: 20px;
}

.drawing-lightbox__nav--prev { left: 10px; }
.drawing-lightbox__nav--next { right: 10px; }

.drawing-lightbox__caption {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 980px) {
  .technical-hero,
  .technical-intro,
  .technical-solution {
    grid-template-columns: 1fr;
  }

  .technical-hero__index {
    align-self: auto;
  }
}

@media (max-width: 760px) {
  .technical-main { padding-top: 70px; }

  .technical-hero,
  .technical-intro,
  .technical-solution {
    padding: 54px 20px;
  }

  .technical-hero h1 {
    font-size: 50px;
  }

  .drawing-grid,
  .result-gallery {
    grid-template-columns: 1fr;
  }

  .solution-specs div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .solution-media__heading,
  .result-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .drawing-lightbox {
    width: 100vw;
    height: 100vh;
    padding: 52px 46px 34px;
  }
}