/* Homepage hero: oversized type on the left, the data-core visual in a measured frame. */
.hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); grid-template-areas: "copy visual" "principles principles"; column-gap: 48px; padding-top: 72px; }
.hero-copy { grid-area: copy; align-self: center; min-width: 0; padding-bottom: 40px; }
.hero-tag { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 32px; padding: 6px 12px; border: 1px solid var(--ink); }
.hero-tag > span { width: 7px; height: 7px; background: var(--red); animation: hero-pulse 2.4s ease-in-out infinite; }
.hero h1 { margin: 0 0 32px; font-size: clamp(44px, 5.6vw, 92px); line-height: 1.06; letter-spacing: -.055em; }
html[lang=en] .hero h1 { line-height: 1; letter-spacing: -.05em; }
.hero-lead { max-width: 480px; margin-bottom: 36px; color: var(--muted); font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.core-visual { grid-area: visual; margin: 0; min-width: 0; align-self: center; }
.core-frame { position: relative; padding: 36px 20px 20px; background-image: radial-gradient(#d5d9de 1px, transparent 1px); background-size: 22px 22px; background-position: center; }
.core-frame::before, .core-frame::after { content: ''; position: absolute; width: 18px; height: 18px; border: 0 solid var(--ink); pointer-events: none; }
.core-frame::before { top: 0; left: 0; border-top-width: 1px; border-left-width: 1px; }
.core-frame::after { right: 0; bottom: 0; border-right-width: 1px; border-bottom-width: 1px; }
.frame-label { position: absolute; top: 8px; left: 28px; color: var(--muted); font-size: 11px; }
.frame-label--end { left: auto; right: 0; top: 8px; color: var(--red); }
.core-scene { position: relative; width: 100%; aspect-ratio: 660 / 540; }
.core-scene img, .core-scene canvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; }
.core-scene canvas { opacity: 0; }
.core-visual.is-ready canvas { opacity: 1; }
.core-visual.is-ready [data-brain-fallback] { visibility: hidden; }
.core-motion { position: absolute; left: 0; bottom: 0; display: inline-flex; align-items: center; gap: 8px; min-height: 36px; padding: 6px 10px; border: 1px solid var(--line); background: #fff; color: var(--muted); font-size: 11px; }
.core-motion[hidden] { display: none; }
.core-motion:hover { border-color: var(--ink); color: var(--ink); }
.motion-symbol { width: 8px; height: 9px; border-left: 2px solid currentColor; border-right: 2px solid currentColor; }
.core-motion[aria-pressed=true] .motion-symbol { width: 0; height: 0; border: 5px solid transparent; border-right: 0; border-left: 7px solid currentColor; }

.principles { grid-area: principles; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 56px 0 0; padding: 0; border-top: 1px solid var(--ink); }
.principles li { padding: 22px 24px 32px 0; min-width: 0; }
.principles li + li { padding-left: 24px; border-left: 1px solid var(--line); }
.principles .mono { color: var(--red); font-size: 11px; }
.principles strong { display: block; margin: 10px 0 4px; color: var(--ink); font-size: 19px; letter-spacing: -.02em; line-height: 1.4; }
.principles p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }

@keyframes hero-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }
@media (max-width: 1100px) {
  .hero { column-gap: 24px; padding-top: 56px; }
  .hero-lead { font-size: 17px; }
}
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; grid-template-areas: "copy" "visual" "principles"; padding-top: 44px; }
  .hero-copy { padding-bottom: 32px; }
  .core-visual { width: min(100%, 560px); justify-self: center; }
  .principles { margin-top: 40px; }
}
@media (max-width: 640px) {
  .hero { padding-top: 32px; }
  .hero-tag { margin-bottom: 24px; }
  .hero h1 { font-size: clamp(40px, 12.5vw, 60px); margin-bottom: 24px; }
  .hero-lead { font-size: 16px; margin-bottom: 28px; }
  .hero-actions .button { flex: 1 1 100%; justify-content: space-between; }
  .core-frame { padding: 32px 4px 12px; }
  .frame-label:not(.frame-label--end) { left: 24px; }
  .principles { grid-template-columns: 1fr; }
  .principles li, .principles li + li { padding: 18px 0; border-left: 0; border-bottom: 1px solid var(--line); }
}
@media (prefers-reduced-motion: reduce) { .hero-tag > span { animation: none; } }