/* ============================================================
   solution.css — page-specific styles for solution.html
   Loaded alongside styles.css
   ============================================================ */
 
/* ---------- 01 Solution overview (sketch + prose) ---------- */
.solution-overview {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  margin-top: 1.5rem;
}
 
.overview-figure { margin: 0; }
 
.overview-figure .frame {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--bg-alt);
  border: 1px solid var(--rule);
  overflow: hidden;
  background-image:
    repeating-linear-gradient(45deg, transparent 0 24px, rgba(0,0,0,0.018) 24px 25px);
}
 
.overview-figure .frame::before {
  content: "Concept sketch";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
 
.overview-figure img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.8rem;
  background: var(--bg);
  border: none;
  z-index: 1;
}
 
.overview-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 0.9rem;
}
 
.overview-text .lede {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.15rem, 1.6vw, 1.35rem);
  font-weight: 300;
  line-height: 1.5;
  color: var(--ink);
  margin: 0 0 1.2rem;
  max-width: none;
}
 
.overview-text p {
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--ink);
  max-width: 50ch;
}
 
/* ---------- Callout (highlighted aside, e.g., IMU note) ---------- */
.callout {
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  padding: 1.6rem 1.8rem;
  margin: 3.5rem 0 0;
}
 
.callout-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  display: block;
  margin-bottom: 0.5rem;
}
 
.callout p {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.5;
  color: var(--ink);
  max-width: none;
}
 
/* ---------- 02 Capabilities (numbered editorial list) ---------- */
.capabilities {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.8rem 4rem;
  margin-top: 2rem;
  list-style: none;
  padding: 0;
  counter-reset: cap;
  max-width: none;
}
 
.capabilities li {
  counter-increment: cap;
  position: relative;
  padding-left: 3.5em;
  line-height: 1.6;
  color: var(--ink);
  margin: 0;
  font-size: 1rem;
}
 
.capabilities li::before {
  content: counter(cap, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15em;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
 
/* ---------- 03 Three-column system breakdown ---------- */
.system {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: 2rem;
}
 
.system-col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: var(--accent);
  margin: 0 0 1.2rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--rule);
}
 
.system-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: none;
}
 
.system-col li {
  position: relative;
  padding-left: 1.4em;
  margin-bottom: 0.7em;
  line-height: 1.55;
  color: var(--ink);
  font-size: 0.98rem;
}
 
.system-col li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 500;
}
 
/* ---------- 04 Architecture (block diagram) ---------- */
.architecture { margin-top: 2rem; }
 
.architecture .frame {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--rule);
  overflow: hidden;
  padding: 1.5rem;
  min-height: 240px;
  background-image:
    repeating-linear-gradient(45deg, transparent 0 24px, rgba(0,0,0,0.012) 24px 25px);
}
 
.architecture img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 620px;
  object-fit: contain;
  border: none;
  background: var(--bg);
}
 
.architecture figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 0.9rem;
}
 
/* ---------- 05 CAD grid (paired views) ---------- */
.cad-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: 2rem;

    width: 100vw;
  max-width: 1500px;
  margin-left: 50%;
  transform: translateX(-50%);
  padding-inline: clamp(1.5rem, 5vw, 4rem);
  box-sizing: border-box;
}
 
.cad-figure { margin: 0; }
 
.cad-figure .frame {
  position: relative;
  aspect-ratio: 19 / 10;
  background: var(--bg);
  border: 1px solid var(--rule);
  overflow: hidden;
}
 
.cad-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.8rem;
  border: none;
}
 
.cad-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 0.8rem;
}
 
/* ---------- Mobile stacking ---------- */
@media (max-width: 720px) {
  .solution-overview,
  .capabilities,
  .system,
  .cad-grid {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }
}