/* Section 4 — Ecosistema Infinity
   Isolated: do not alter hero / know / routes. */

.scene-eco {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: var(--section-pad-y, 4.5rem) 0;
  background:
    linear-gradient(180deg, #0C1018 0%, #0C1018 45%, #080B0F 100%);
  border-top: 1px solid rgba(123, 77, 255, 0.1);
}

.scene-eco-atmosphere {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 42% 38% at 50% 42%, rgba(123, 77, 255, 0.16), transparent 62%),
    radial-gradient(ellipse 36% 30% at 18% 70%, rgba(123, 77, 255, 0.07), transparent 58%),
    radial-gradient(ellipse 30% 28% at 82% 28%, rgba(255, 138, 0, 0.05), transparent 55%);
}

.scene-eco-shell {
  position: relative;
  z-index: 1;
  width: var(--container-wide, min(100% - 2.5rem, 1760px));
  max-width: var(--container-max-wide, 1760px);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.eco-bridge {
  margin: 0;
  max-width: 34rem;
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.5;
  color: rgba(184, 180, 212, 0.85);
  padding-left: 1rem;
  border-left: 2px solid rgba(123, 77, 255, 0.35);
}

.eco-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #b8b4d4;
}

.eco-eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 138, 0, 0.7), transparent);
}

.eco-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.05rem, 3vw, 2.85rem);
  line-height: 1.14;
  letter-spacing: -0.03em;
  color: #f4f5f8;
  margin: 0 0 1.1rem;
}

.eco-support {
  margin: 0;
  max-width: 34rem;
  font-size: clamp(1.02rem, 1.15vw, 1.12rem);
  line-height: 1.55;
  color: var(--text-soft, #c9ccdb);
}

/* ——— System composition (desktop constellation) ——— */
.eco-system {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  grid-template-rows: auto auto auto;
  gap: 1.15rem 1.35rem;
  min-height: 420px;
  padding: 1rem 0 0.5rem;
  align-items: center;
  justify-items: center;
}

.eco-links {
  position: absolute;
  inset: 8% 10%;
  width: 80%;
  height: 84%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
}

.eco-link {
  stroke: rgba(123, 77, 255, 0.28);
  stroke-width: 0.6;
  stroke-linecap: round;
  transition:
    stroke var(--motion-micro, 280ms) var(--ease-premium, ease),
    opacity var(--motion-micro, 280ms) var(--ease-premium, ease);
}

.eco-core {
  grid-column: 2;
  grid-row: 2;
  z-index: 2;
  position: relative;
  width: min(100%, 200px);
  aspect-ratio: 1;
  display: grid;
  place-content: center;
  text-align: center;
  border-radius: 50%;
  border: 1px solid rgba(123, 77, 255, 0.4);
  background:
    radial-gradient(circle at 45% 40%, rgba(123, 77, 255, 0.35), rgba(23, 28, 38, 0.85) 70%);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    0 0 48px rgba(123, 77, 255, 0.28);
}

.eco-core-mark {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #f4f5f8;
}

.eco-core-sub {
  margin-top: 0.25rem;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(196, 181, 253, 0.65);
}

.eco-module {
  position: relative;
  z-index: 2;
  width: min(100%, 240px);
  padding: 1rem 1.05rem 1.05rem;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 12, 24, 0.45);
  outline: none;
  cursor: default;
  transition:
    opacity var(--motion-micro, 280ms) var(--ease-premium, ease),
    border-color var(--motion-micro, 280ms) var(--ease-premium, ease),
    box-shadow var(--motion-micro, 280ms) var(--ease-premium, ease),
    background var(--motion-micro, 280ms) var(--ease-premium, ease),
    transform var(--motion-micro, 280ms) var(--ease-premium, ease);
}

.eco-mod-alice { grid-column: 2; grid-row: 1; }
.eco-mod-book { grid-column: 1; grid-row: 2; justify-self: end; }
.eco-mod-nexora { grid-column: 3; grid-row: 2; justify-self: start; }
.eco-mod-jill { grid-column: 1; grid-row: 3; justify-self: end; }
.eco-mod-claire { grid-column: 3; grid-row: 3; justify-self: start; }

.eco-mod-visual {
  height: 52px;
  margin-bottom: 0.7rem;
  display: flex;
  align-items: center;
  opacity: 0.72;
  transition: opacity var(--motion-micro, 280ms) var(--ease-premium, ease);
}

.eco-mod-visual-persona {
  height: auto;
  min-height: 52px;
  opacity: 1;
}

.eco-mod-badges {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin: -0.1rem 0 0.55rem;
}

.eco-mod-badges span {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.28rem 0.55rem;
  border-radius: 8px;
  color: #b8d9f0;
  border: 1px solid rgba(121, 185, 232, 0.35);
  background: rgba(121, 185, 232, 0.08);
}

.eco-mod-name {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #f0ecff;
}

.eco-mod-persona .eco-mod-name {
  margin-top: 0.15rem;
}

.eco-mod-line {
  margin: 0 0 0.75rem;
  font-size: 0.86rem;
  line-height: 1.4;
  color: rgba(201, 204, 219, 0.82);
}

.eco-mod-cta {
  display: inline-flex;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #c4b5fd;
  text-decoration: none;
  border-bottom: 1px solid rgba(123, 77, 255, 0.35);
  padding-bottom: 1px;
  transition:
    color var(--motion-micro, 280ms) var(--ease-premium, ease),
    border-color var(--motion-micro, 280ms) var(--ease-premium, ease);
}

.eco-mod-cta:hover,
.eco-mod-cta:focus-visible {
  color: #e9e0ff;
  border-color: rgba(196, 181, 253, 0.7);
}

/* Distinct accents (same family) */
.eco-mod-alice { border-color: rgba(123, 77, 255, 0.22); }
.eco-mod-book { border-color: rgba(123, 77, 255, 0.22); }
.eco-mod-nexora { border-color: rgba(255, 138, 0, 0.22); }
.eco-mod-jill { border-color: rgba(167, 139, 250, 0.22); }
.eco-mod-claire { border-color: rgba(121, 185, 232, 0.22); }

/* ——— Mini visuals ——— */
.eco-alice-wave {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 28px;
  margin-right: 10px;
}

.eco-alice-wave i {
  display: block;
  width: 3px;
  border-radius: 99px;
  background: linear-gradient(180deg, #c4b5fd, #6B7CFF);
  height: 35%;
  opacity: 0.7;
  transform-origin: bottom;
}

.eco-alice-wave i:nth-child(2) { height: 55%; }
.eco-alice-wave i:nth-child(3) { height: 80%; }
.eco-alice-wave i:nth-child(4) { height: 100%; }
.eco-alice-wave i:nth-child(5) { height: 70%; }
.eco-alice-wave i:nth-child(6) { height: 45%; }
.eco-alice-wave i:nth-child(7) { height: 30%; }

.eco-alice-mic {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid rgba(123, 77, 255, 0.45);
  background: rgba(123, 77, 255, 0.2);
  box-shadow: 0 0 12px rgba(123, 77, 255, 0.25);
}

.eco-book-page {
  width: 100%;
  max-width: 140px;
  display: grid;
  gap: 6px;
}

.eco-book-line {
  height: 3px;
  border-radius: 2px;
  background: rgba(196, 181, 253, 0.35);
}

.eco-book-line.is-short { width: 55%; }

.eco-book-bar {
  height: 5px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  margin-top: 4px;
}

.eco-book-bar i {
  display: block;
  height: 100%;
  width: var(--p, 50%);
  border-radius: inherit;
  background: linear-gradient(90deg, #7B4DFF, #6B7CFF);
  transform-origin: left;
  transform: scaleX(0.85);
}

.eco-nexora-desk {
  display: grid;
  gap: 6px;
  width: 100%;
  max-width: 150px;
  padding: 0.45rem 0.55rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 138, 0, 0.25);
  background: rgba(255, 138, 0, 0.06);
}

.eco-nexora-tag {
  font-size: 0.58rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #FFA940;
}

.eco-nexora-msg {
  font-size: 0.78rem;
  color: rgba(232, 234, 242, 0.75);
}

.eco-jill-drill {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eco-jill-q {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 800;
  color: #e9d5ff;
  background: rgba(90, 47, 224, 0.45);
  border: 1px solid rgba(167, 139, 250, 0.4);
}

.eco-jill-pulse {
  width: 36px;
  height: 4px;
  border-radius: 99px;
  background: linear-gradient(90deg, #FF8A00, transparent);
  opacity: 0.7;
}

.eco-claire-chip {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.eco-claire-chip span {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.28rem 0.55rem;
  border-radius: 8px;
  color: #b8d9f0;
  border: 1px solid rgba(121, 185, 232, 0.35);
  background: rgba(121, 185, 232, 0.08);
}

/* ——— Active / dim states (desktop hover + focus) ——— */
.eco-system.is-active .eco-module:not(.is-on) {
  opacity: 0.42;
}

.eco-system.is-active .eco-module.is-on {
  opacity: 1;
  border-color: rgba(196, 181, 253, 0.45);
  box-shadow: 0 0 28px rgba(123, 77, 255, 0.16);
  transform: translateY(-3px);
}

.eco-module.eco-mod-persona:hover,
.eco-module.eco-mod-persona:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(196, 181, 253, 0.38);
  box-shadow: 0 8px 28px rgba(123, 77, 255, 0.12);
}

.eco-system.is-active .eco-module.is-on .eco-mod-visual {
  opacity: 1;
}

.eco-system.is-active .eco-core {
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06) inset,
    0 0 56px rgba(123, 77, 255, 0.4);
}

.eco-system.is-active[data-active="alice"] .eco-link[data-link="alice"],
.eco-system.is-active[data-active="book"] .eco-link[data-link="book"],
.eco-system.is-active[data-active="nexora"] .eco-link[data-link="nexora"],
.eco-system.is-active[data-active="jill"] .eco-link[data-link="jill"],
.eco-system.is-active[data-active="claire"] .eco-link[data-link="claire"] {
  stroke: rgba(196, 181, 253, 0.75);
  opacity: 1;
}

.eco-system.is-active .eco-link:not(.is-lit) {
  opacity: 0.2;
}

.eco-module.is-on .eco-link,
.eco-link.is-lit {
  stroke: rgba(196, 181, 253, 0.75);
}

/* Soft functional motion only when module is on + section in */
.scene-eco.is-in .eco-module.is-on .eco-alice-wave i {
  animation: eco-wave 1.4s ease-in-out infinite;
}
.scene-eco.is-in .eco-module.is-on .eco-alice-wave i:nth-child(2) { animation-delay: 0.08s; }
.scene-eco.is-in .eco-module.is-on .eco-alice-wave i:nth-child(3) { animation-delay: 0.16s; }
.scene-eco.is-in .eco-module.is-on .eco-alice-wave i:nth-child(4) { animation-delay: 0.05s; }
.scene-eco.is-in .eco-module.is-on .eco-alice-wave i:nth-child(5) { animation-delay: 0.2s; }
.scene-eco.is-in .eco-module.is-on .eco-alice-wave i:nth-child(6) { animation-delay: 0.12s; }
.scene-eco.is-in .eco-module.is-on .eco-alice-wave i:nth-child(7) { animation-delay: 0.18s; }

.scene-eco.is-in .eco-module.is-on .eco-book-bar i {
  animation: eco-progress 2.4s var(--ease-premium, ease) infinite;
}

@keyframes eco-wave {
  0%, 100% { transform: scaleY(0.55); opacity: 0.55; }
  50% { transform: scaleY(1); opacity: 1; }
}

@keyframes eco-progress {
  0%, 100% { transform: scaleX(0.55); }
  50% { transform: scaleX(0.9); }
}

/* Reveals (local; tokens from motion.css) */
.eco-reveal {
  opacity: 0;
  filter: blur(var(--reveal-blur-soft, 4px));
  transform: translateY(var(--reveal-distance-soft, 12px));
  transition:
    opacity var(--motion-medium, 750ms) var(--ease-premium, ease),
    filter var(--motion-medium, 750ms) var(--ease-premium, ease),
    transform var(--motion-medium, 750ms) var(--ease-premium, ease);
}

/* Keyword title lives in eco-intro — no full-block blur */
.eco-reveal.has-holo-title {
  filter: none;
}

.scene-eco.is-in .eco-reveal {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

.scene-eco.is-in [data-eco="bridge"] { transition-delay: var(--stagger-0, 0ms); }
.scene-eco.is-in [data-eco="intro"] { transition-delay: var(--stagger-1, 80ms); }
.scene-eco.is-in [data-eco="system"] {
  transition-duration: var(--motion-cinematic, 1150ms);
  transition-delay: var(--stagger-3, 220ms);
  filter: blur(var(--reveal-blur-feature, 6px));
  transform: translateY(var(--reveal-distance-feature, 16px));
}
.scene-eco.is-in [data-eco="system"].eco-reveal {
  filter: blur(0);
  transform: translateY(0);
}

.scene-eco.is-in .eco-module {
  animation: eco-mod-in var(--motion-medium, 750ms) var(--ease-premium, ease) forwards;
}
.scene-eco.is-in .eco-mod-alice { animation-delay: 280ms; }
.scene-eco.is-in .eco-mod-book { animation-delay: 340ms; }
.scene-eco.is-in .eco-mod-nexora { animation-delay: 400ms; }
.scene-eco.is-in .eco-mod-jill { animation-delay: 460ms; }
.scene-eco.is-in .eco-mod-claire { animation-delay: 500ms; }

@keyframes eco-mod-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Active focus — do not clear entrance animation (keeps opacity stable) */
.scene-eco.is-in .eco-system.is-active .eco-module:not(.is-on) {
  opacity: 0.42;
  transform: none;
}
.scene-eco.is-in .eco-system.is-active .eco-module.is-on {
  opacity: 1;
  transform: translateY(-3px);
}

@media (prefers-reduced-motion: reduce) {
  .eco-reveal,
  .scene-eco.is-in .eco-reveal,
  .scene-eco.is-in .eco-module,
  .eco-module.eco-mod-persona:hover,
  .eco-module.eco-mod-persona:focus-visible {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }

  .eco-alice-wave i,
  .eco-book-bar i {
    animation: none !important;
  }

  .eco-system.is-active .eco-module.is-on {
    transform: none;
  }
}

/* Tablet */
@media (max-width: 1100px) {
  .scene-eco {
    padding: 3.5rem 0 3.75rem;
  }

  .scene-eco-shell {
    width: var(--container-wide);
    max-width: var(--container-max-wide);
    gap: 1.85rem;
  }

  .eco-system {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    min-height: 0;
    gap: 1rem;
  }

  .eco-links { display: none; }

  .eco-core {
    grid-column: 1 / -1;
    grid-row: auto;
    width: min(100%, 160px);
    aspect-ratio: auto;
    padding: 1.1rem 1.25rem;
    border-radius: 18px;
    margin-bottom: 0.35rem;
  }

  .eco-mod-alice,
  .eco-mod-book,
  .eco-mod-nexora,
  .eco-mod-jill,
  .eco-mod-claire {
    grid-column: auto;
    grid-row: auto;
    justify-self: stretch;
    width: 100%;
  }
}

/* Mobile — stacked modules, tap/focus */
@media (max-width: 768px) {
  .scene-eco {
    padding: 2.75rem 0 3.25rem;
  }

  .scene-eco-shell {
    width: var(--container);
    max-width: var(--container-max);
    gap: 1.45rem;
  }

  .eco-title {
    font-size: clamp(1.9rem, 7.5vw, 2.4rem);
  }

  .eco-system {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    min-height: 0;
    padding-top: 0.25rem;
  }

  .eco-links { display: none; }

  .eco-core {
    width: 100%;
    border-radius: 14px;
    padding: 0.95rem 1rem;
    margin-bottom: 0.25rem;
  }

  .eco-module {
    width: 100%;
    cursor: pointer;
  }

  .eco-system.is-active .eco-module:not(.is-on) {
    opacity: 0.55;
  }

  .eco-system.is-active .eco-module.is-on {
    transform: none;
  }

  .eco-mod-cta {
    min-height: 44px;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .scene-eco-shell {
    width: var(--container);
    max-width: var(--container-max);
  }
}