.tech-hero {
  min-height: 100dvh;
  overflow: hidden;
  padding: clamp(9rem, 14vw, 13rem) 0 clamp(5rem, 9vw, 8rem);
  position: relative;
}

.tech-hero::before {
  background: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 4.5rem 4.5rem;
  content: "";
  inset: 5rem -12rem auto 42%;
  height: 42rem;
  opacity: .28;
  position: absolute;
  transform: rotate(-6deg);
  z-index: -1;
}

.tech-hero-grid { align-items: end; display: grid; gap: clamp(3rem, 8vw, 9rem); grid-template-columns: 1.15fr .85fr; }
.tech-hero h1 { font-size: clamp(3.8rem, 8.5vw, 8.5rem); font-weight: 800; letter-spacing: -.08em; line-height: .88; margin: 1.5rem 0 2rem; max-width: 11ch; text-wrap: balance; }
.tech-hero .lede { max-width: 52ch; }
.tech-spec { background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.tech-spec-row { align-items: baseline; display: grid; gap: 1.5rem; grid-template-columns: 8rem 1fr; padding: 1.15rem 1.3rem; }
.tech-spec-row + .tech-spec-row { border-top: 1px solid var(--line); }
.tech-spec-row span:first-child { color: var(--accent); font-family: var(--mono); font-size: .62rem; letter-spacing: .07em; text-transform: uppercase; }
.tech-spec-row strong { font-size: .9rem; font-weight: 650; }

.tech-engine { background: var(--ink); color: var(--paper); }
.tech-engine .kicker { color: var(--accent); }
.tech-engine .section-head > p { color: color-mix(in srgb, var(--paper) 68%, transparent); }
.tech-engine .section-head { margin-bottom: clamp(4rem, 8vw, 7rem); }
.tech-engine .motion-suite { margin-top: 0; }
.tech-engine .motion-suite-head > p,
.tech-engine .motion-rail-head p { color: color-mix(in srgb, var(--paper) 68%, transparent); }
.tech-engine .motion-card .motion-meta p { color: var(--muted); }
.tech-engine .concept-art { margin-top: clamp(6rem, 12vw, 10rem); }

.tech-visual-chapter {
  --plate-paper: #f4f2eb;
  --plate-ink: #132a2f;
  align-items: center;
  border-block: 1px solid color-mix(in srgb, var(--paper) 24%, transparent);
  display: grid;
  gap: clamp(2rem, 5vw, 5rem);
  grid-template-columns: minmax(0, 1.3fr) minmax(18rem, .7fr);
  margin-block: clamp(5.5rem, 11vw, 10rem);
  padding-block: clamp(2rem, 4vw, 4rem);
}

.tech-visual-media { background: var(--plate-paper); border: 1px solid color-mix(in srgb, var(--paper) 28%, transparent); color: var(--plate-ink); min-width: 0; }
.tech-visual-media img { display: block; height: auto; width: 100%; }
.tech-visual-media figcaption { align-items: baseline; border-top: 1px solid rgba(19, 42, 47, .18); display: flex; gap: 1.5rem; justify-content: space-between; padding: 1rem 1.2rem; }
.tech-visual-media figcaption span,
.tech-visual-index { color: var(--accent); font-family: var(--mono); font-size: .64rem; letter-spacing: .09em; text-transform: uppercase; }
.tech-visual-media figcaption strong { color: var(--plate-ink); font-size: .82rem; font-weight: 600; max-width: 54ch; }
.tech-visual-copy h3 { font-size: clamp(2.2rem, 4.4vw, 4.8rem); letter-spacing: -.06em; line-height: .98; margin: 1.2rem 0 1.5rem; max-width: 10ch; text-wrap: balance; }
.tech-visual-copy > p:not(.tech-visual-index) { color: color-mix(in srgb, var(--paper) 74%, transparent); font-size: clamp(1rem, 1.35vw, 1.18rem); line-height: 1.75; max-width: 52ch; }
.tech-visual-facts { border-top: 1px solid color-mix(in srgb, var(--paper) 24%, transparent); margin-top: 2rem; }
.tech-visual-facts div { align-items: baseline; border-bottom: 1px solid color-mix(in srgb, var(--paper) 24%, transparent); display: grid; gap: 1rem; grid-template-columns: 5rem 1fr; padding: .8rem 0; }
.tech-visual-facts dt { color: var(--accent); font-family: var(--mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }
.tech-visual-facts dd { color: color-mix(in srgb, var(--paper) 82%, transparent); font-weight: 600; }
.tech-visual-copy .text-link { display: inline-block; margin-top: 2rem; }

.tech-visual-chapter--family { display: block; }
.tech-visual-chapter--family .tech-visual-copy { align-items: end; display: grid; gap: 1.5rem 4rem; grid-template-columns: minmax(0, .9fr) minmax(18rem, 1.1fr); margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.tech-visual-chapter--family .tech-visual-copy .tech-visual-index { grid-column: 1 / -1; }
.tech-visual-chapter--family .tech-visual-copy h3 { margin: 0; max-width: 11ch; }
.tech-visual-chapter--family .tech-visual-copy > p:not(.tech-visual-index) { justify-self: end; }
.tech-visual-chapter--record { grid-template-columns: minmax(18rem, .7fr) minmax(0, 1.3fr); }

.engine-map { border-top: 1px solid color-mix(in srgb, var(--paper) 24%, transparent); display: grid; margin-top: 4rem; }
.stack-step { align-items: center; border-bottom: 1px solid color-mix(in srgb, var(--paper) 24%, transparent); display: grid; gap: clamp(1.5rem, 4vw, 4rem); grid-template-columns: 5.25rem minmax(13rem, .7fr) minmax(0, 1.3fr); padding: clamp(1.5rem, 3vw, 2.4rem) 0; }
.stack-node { align-items: center; border: 1px solid var(--accent); border-radius: 50%; color: var(--accent); display: flex; font-family: var(--mono); font-size: .82rem; height: 5.25rem; justify-content: center; width: 5.25rem; }
.stack-step h3 { font-size: clamp(1.4rem, 2.2vw, 2rem); margin: 0; }
.stack-step p { color: color-mix(in srgb, var(--paper) 76%, transparent); font-size: clamp(1rem, 1.3vw, 1.15rem); line-height: 1.7; max-width: 58ch; }
.patent-note { align-items: center; border: 1px solid color-mix(in srgb, var(--paper) 24%, transparent); display: flex; gap: 1.5rem; justify-content: space-between; margin-top: 4rem; padding: 1.4rem 1.6rem; }
.patent-note strong { color: var(--accent); }
.patent-note span { color: color-mix(in srgb, var(--paper) 68%, transparent); max-width: 70ch; }

.tech-cta { padding-block: clamp(6rem, 11vw, 10rem); }
.tech-cta-box { align-items: end; background: var(--accent-soft); display: grid; gap: 3rem; grid-template-columns: 1.2fr .8fr; padding: clamp(2rem, 6vw, 6rem); }
.tech-cta h2 { margin: 1.2rem 0 1.5rem; max-width: 13ch; }
.tech-cta-actions { display: flex; flex-direction: column; gap: 1rem; }

@media (max-width: 960px) {
  .tech-hero-grid, .tech-cta-box { grid-template-columns: 1fr; }
  .stack-step { grid-template-columns: 5.25rem minmax(11rem, .75fr) minmax(0, 1.25fr); }
  .tech-visual-chapter,
  .tech-visual-chapter--record,
  .tech-visual-chapter--family .tech-visual-copy { grid-template-columns: 1fr; }
  .tech-visual-chapter--control .tech-visual-copy { max-width: 42rem; }
  .tech-visual-chapter--family .tech-visual-copy > p:not(.tech-visual-index) { justify-self: start; }
}

@media (max-width: 700px) {
  .tech-hero h1 { font-size: clamp(3.2rem, 17vw, 5.5rem); }
  .tech-spec-row { grid-template-columns: 1fr; gap: .35rem; }
  .stack-step { align-items: start; gap: .3rem 1.2rem; grid-template-columns: 4.25rem 1fr; }
  .stack-node { height: 4.25rem; width: 4.25rem; }
  .stack-step h3 { align-self: center; }
  .stack-step p { grid-column: 2; }
  .patent-note { align-items: flex-start; flex-direction: column; }
  .tech-visual-media figcaption { align-items: flex-start; flex-direction: column; gap: .45rem; }
  .tech-visual-copy h3 { font-size: clamp(2.2rem, 12vw, 3.8rem); }
}