/* =========================================================
   Fundación Radix · Exploraciones computacionales
   ========================================================= */

.explorations-hero {
  border-bottom: 1px solid var(--radix-gray);
}

.explorations-hero-inner {
  width: min(calc(100% - (2 * var(--page-gutter))), var(--content-width));
  min-height: clamp(540px, 70vh, 700px);
  margin-inline: auto;
  padding-block: clamp(4rem, 8vw, 6.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 6rem);
}

.explorations-hero h1 {
  margin: 0;
  font-size: clamp(3.1rem, 7vw, 5.5rem);
  letter-spacing: -0.045em;
  line-height: 0.97;
}

.explorations-lead {
  max-width: 680px;
  margin: 1.55rem 0 0;
  color: var(--ink-700);
  font-size: clamp(1.08rem, 2vw, 1.25rem);
  line-height: 1.72;
}

.field-figure {
  width: min(100%, 470px);
  margin: 0 auto;
}

.field-stage {
  position: relative;
  aspect-ratio: 1;
}

.field-stage::before {
  content: "";
  position: absolute;
  inset: 4.5%;
  border: 1px solid rgba(49, 91, 125, 0.25);
  border-radius: 50%;
  pointer-events: none;
}

#fieldCanvas {
  width: 100%;
  height: 100%;
}

.field-caption {
  max-width: 45ch;
  margin: 1rem auto 0;
  color: var(--radix-muted);
  font-size: 0.78rem;
  line-height: 1.55;
  text-align: center;
}

.field-caption strong { color: var(--radix-ink); }

.field-controls {
  margin-top: 0.65rem;
  text-align: center;
}

.field-reset {
  padding: 0;
  color: var(--radix-green);
  background: transparent;
  border: 0;
  border-bottom: 1px solid transparent;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
}

.field-reset:hover,
.field-reset:focus-visible { border-bottom-color: currentColor; }

.explorations-note {
  width: min(calc(100% - (2 * var(--page-gutter))), 820px);
  margin-inline: auto;
  padding-block: clamp(3.3rem, 7vw, 5rem);
  text-align: center;
}

.explorations-note p {
  margin: 0;
  color: var(--ink-700);
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 3vw, 1.95rem);
  line-height: 1.5;
}

.exploration-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, 1.5rem);
  margin-top: clamp(2.5rem, 5vw, 3.8rem);
}

.exploration-card {
  position: relative;
  min-height: 285px;
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--radix-paper-light);
  border: 1px solid var(--radix-gray);
  border-radius: var(--radius-medium);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.exploration-card:hover {
  transform: translateY(-2px);
  border-color: var(--radix-green);
}

.exploration-card::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -55px;
  width: 145px;
  height: 145px;
  border: 1px solid var(--card-accent, var(--radix-gray));
  border-radius: 50%;
  opacity: 0.12;
}

.exploration-card[data-accent="green"] { --card-accent: var(--radix-green); border-top: 3px solid var(--radix-green); }
.exploration-card[data-accent="blue"] { --card-accent: var(--radix-blue); border-top: 3px solid var(--radix-blue); }
.exploration-card[data-accent="terracotta"] { --card-accent: var(--radix-terracotta); border-top: 3px solid var(--radix-terracotta); }

.exploration-index {
  color: var(--radix-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.exploration-category {
  margin-top: 0.65rem;
  color: var(--card-accent, var(--radix-green));
  font-family: var(--font-mono);
  font-size: 0.67rem;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.exploration-card h3 {
  margin: 0.85rem 0 0;
  font-size: 1.45rem;
  line-height: 1.18;
}

.exploration-card p {
  margin: 0.8rem 0 0;
  color: var(--radix-muted);
  font-size: 0.94rem;
  line-height: 1.68;
}

.exploration-link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 1.2rem;
  color: var(--radix-green);
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
}

.exploration-link::after { content: " →"; }
.exploration-link:hover { text-decoration: underline; }

.experimental-note {
  margin-top: 1rem;
  color: var(--radix-muted);
  font-size: 0.76rem;
}

@media (max-width: 960px) {
  .explorations-hero-inner { grid-template-columns: 1fr; }
  .field-figure { width: min(82%, 450px); }
  .exploration-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .explorations-hero-inner { padding-block: 3.8rem; }
  .explorations-hero h1 { font-size: clamp(2.8rem, 14vw, 4.15rem); }
  .field-figure { width: min(96%, 390px); }
  .exploration-grid { grid-template-columns: 1fr; }
}