/* Popina → Enskel → usages (PopinaFlow.astro). La caisse à gauche, Enskel au centre, les usages
   à droite sur un collecteur ; mêmes cartes, pastilles et nœuds carrés que le schéma des
   connexions (blocks-reference.css). Sous 640 px, tout s'empile et le fil descend. */
.popina-flow {
  --wire: 1.5px;
  --port: 7px;
  --head: 9px;
  --row: 46px;
  --gap: 10px;
  --branch: 20px;
  --drop: 40px;
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns:
    minmax(0, 1fr) 36px minmax(0, 0.84fr) 24px
    minmax(0, 0.96fr);
  align-items: center;
  row-gap: 26px;
  max-width: 720px;
  margin: 0;
}
.popina-flow::before {
  content: '';
  position: absolute;
  inset: -32px 0;
  z-index: -1;
  background-image: radial-gradient(
    circle at 0.5px 0.5px,
    var(--color-chart) 0.6px,
    transparent 0.75px
  );
  background-size: 22px 22px;
  opacity: 0.45;
  mask-image: radial-gradient(closest-side, black 45%, transparent);
}

/* Les cartes claires : la caisse et chaque usage. */
.popina-flow-source,
.popina-flow-uses > li {
  position: relative;
  border: 1px solid color-mix(in srgb, var(--color-graphite) 8%, transparent);
  border-radius: 12px;
  background: var(--color-surface);
  box-shadow:
    0 1px 2px rgb(0 0 0 / 0.04),
    0 16px 34px -24px rgb(0 0 0 / 0.24);
}
.popina-flow-source {
  display: grid;
  justify-items: start;
  padding: 14px 16px 12px;
}
.popina-flow-kicker,
.popina-flow-fields > li,
.popina-flow-reads,
.popina-flow-note {
  font: 400 var(--text-micro)/1.5 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.popina-flow-kicker {
  color: var(--color-muted);
}
.popina-flow-name {
  margin: 4px 0 8px;
  font-size: 24px;
  font-weight: 750;
  line-height: 1.1;
  letter-spacing: -0.05em;
}
.popina-flow-source .blocks-pill {
  padding-block: 1px;
  font-size: 12px;
}
.popina-flow-fields {
  justify-self: stretch;
  margin-top: 12px;
}
.popina-flow-fields > li {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 3px 0;
  color: var(--color-muted);
}
.popina-flow-fields > li::before {
  content: '';
  flex: none;
  width: 5px;
  height: 5px;
  background: color-mix(in srgb, var(--color-graphite) 30%, transparent);
}
/* « Ventes » ouvre la liste : ce qui passe, puis ses champs. */
.popina-flow-fields > li:first-child {
  margin-bottom: 3px;
  padding: 9px 0 3px;
  border-top: 1px solid var(--color-line);
  color: var(--color-graphite);
}
.popina-flow-fields > li:first-child::before {
  content: none;
}

/* Enskel, le panneau sombre du milieu. */
.popina-flow-core {
  position: relative;
  display: grid;
  gap: 10px;
  padding: clamp(16px, 1.6vw, 22px);
  border-radius: var(--radius-panel);
  background: var(--surface-dark-background);
  box-shadow: var(--surface-dark-shadow);
  color: var(--color-surface);
}
.popina-flow-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: clamp(21px, 1.8vw, 26px);
  font-weight: 750;
  line-height: 1;
  letter-spacing: -0.06em;
}
.popina-flow-brand::before {
  content: '';
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
}
.popina-flow-reads {
  color: #c9c9c9;
}

/* Les usages, au pas `--row` + `--gap` : un collecteur vertical, une branche par carte. */
.popina-flow-uses {
  position: relative;
  display: grid;
  grid-auto-rows: var(--row);
  row-gap: var(--gap);
  padding-left: var(--branch);
}
.popina-flow-uses > li {
  display: flex;
  align-items: center;
  padding: 0 14px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.025em;
}
.popina-flow-note {
  grid-column: 1 / -1;
  color: var(--color-muted);
  letter-spacing: 0.06em;
  text-transform: none;
}

/* Le fil : traits pleins de 1,5 px, nœuds carrés de 7 px posés sur les bords. */
.popina-flow-wire {
  position: relative;
  align-self: center;
  height: var(--wire);
}
.popina-flow-wire::before,
.popina-flow-uses::before,
.popina-flow-uses > li::before {
  content: '';
  position: absolute;
  background: var(--color-accent);
}
.popina-flow-wire::before {
  inset: 0;
  transform-origin: 0 50%;
}
.popina-flow-uses::before {
  top: calc(var(--row) / 2);
  bottom: calc(var(--row) / 2);
  left: calc(var(--wire) / -2);
  width: var(--wire);
}
.popina-flow-uses > li::before {
  top: calc(50% - var(--wire) / 2);
  right: 100%;
  width: calc(var(--branch) + 1px);
  height: var(--wire);
  transform-origin: 0 50%;
}
.popina-flow-source::after,
.popina-flow-core::before,
.popina-flow-core::after,
.popina-flow-uses > li::after {
  content: '';
  position: absolute;
  top: calc(50% - var(--port) / 2);
  width: var(--port);
  height: var(--port);
  background: var(--color-accent);
}
.popina-flow-source::after,
.popina-flow-core::after {
  right: calc(var(--port) / -2);
}
.popina-flow-core::before,
.popina-flow-uses > li::after {
  left: calc(var(--port) / -2);
}
/* Le signal de tête : il mène le tracé, puis s'efface au raccord. Invisible au repos. */
.popina-flow-wire > i {
  position: absolute;
  inset: 0;
  opacity: 0;
}
.popina-flow-wire > i::after {
  content: '';
  position: absolute;
  top: calc(50% - var(--head) / 2);
  right: calc(var(--head) / -2);
  width: var(--head);
  height: var(--head);
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 1.5px var(--color-canvas);
}

@media (width < 640px) {
  .popina-flow {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 0;
  }
  .popina-flow-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 12px;
  }
  .popina-flow-fields > li:first-child {
    grid-column: 1 / -1;
  }
  .popina-flow-core {
    grid-auto-flow: column;
    justify-content: space-between;
    align-items: center;
  }
  /* Le fil descend au milieu, d'un cadre au suivant. */
  .popina-flow-wire {
    justify-self: center;
    width: var(--wire);
    height: var(--drop);
  }
  .popina-flow-wire::before {
    transform-origin: 50% 0;
  }
  .popina-flow-wire > i::after {
    top: auto;
    right: calc(50% - var(--head) / 2);
    bottom: calc(var(--head) / -2);
  }
  .popina-flow-source::after,
  .popina-flow-core::before,
  .popina-flow-core::after {
    left: calc(50% - var(--port) / 2);
    right: auto;
  }
  .popina-flow-source::after,
  .popina-flow-core::after {
    top: auto;
    bottom: calc(var(--port) / -2);
  }
  .popina-flow-core::before {
    top: calc(var(--port) / -2);
  }
  /* Les usages se rangent dans une seule carte, le nœud d'arrivée au milieu du bord. */
  .popina-flow-uses {
    grid-auto-rows: auto;
    row-gap: 0;
    padding: 4px 16px;
    border: 1px solid color-mix(in srgb, var(--color-graphite) 8%, transparent);
    border-radius: 12px;
    background: var(--color-surface);
    box-shadow:
      0 1px 2px rgb(0 0 0 / 0.04),
      0 16px 34px -24px rgb(0 0 0 / 0.24);
  }
  .popina-flow-uses::before {
    top: calc(var(--port) / -2);
    bottom: auto;
    left: calc(50% - var(--port) / 2);
    width: var(--port);
    height: var(--port);
  }
  .popina-flow-uses > li {
    gap: 10px;
    padding: 12px 0;
    border: 0;
    border-radius: 0;
    background: none;
    box-shadow: none;
  }
  .popina-flow-uses > li + li {
    border-top: 1px solid var(--color-line);
  }
  .popina-flow-uses > li::before {
    position: static;
    flex: none;
    width: 6px;
    height: 6px;
  }
  .popina-flow-uses > li::after {
    content: none;
  }
  .popina-flow-note {
    margin-top: 22px;
  }
}

/* Le tracé : de la caisse à Enskel, puis le tronc, le collecteur et une branche par usage.
   Seuls transform et opacity bougent ; avec « Réduire les animations », tout est déjà tracé. */
@media (prefers-reduced-motion: no-preference) {
  .popina-flow {
    --flow-ease: var(--motion-ease-transition, cubic-bezier(0.65, 0, 0.35, 1));
    --flow-in: 520ms;
    --flow-in-time: 760ms;
    --flow-out: calc(var(--flow-in) + var(--flow-in-time) * 0.8);
    --flow-out-time: 520ms;
    --flow-bus: calc(var(--flow-out) + var(--flow-out-time) * 0.8);
  }
  .popina-flow-wire--in::before,
  .popina-flow-wire--in > i {
    animation: var(--flow-in-time) var(--flow-ease) var(--flow-in) both;
  }
  .popina-flow-wire--out::before,
  .popina-flow-wire--out > i {
    animation: var(--flow-out-time) var(--flow-ease) var(--flow-out) both;
  }
  .popina-flow-wire::before {
    animation-name: popina-flow-draw-x;
  }
  /* Le signal n'apparaît qu'au départ de son trait : rien n'attend sur les nœuds. */
  .popina-flow-wire > i {
    animation-name: popina-flow-head-x;
    animation-fill-mode: forwards;
  }
  .popina-flow-uses::before {
    animation: popina-flow-open 440ms var(--flow-ease) var(--flow-bus) both;
  }
  .popina-flow-uses > li::before {
    animation: popina-flow-draw-x 420ms var(--motion-ease-out, ease-out)
      calc(var(--flow-bus) + 300ms) both;
  }
  .popina-flow-uses > li:nth-child(2)::before {
    animation-delay: calc(var(--flow-bus) + 380ms);
  }
  .popina-flow-uses > li:nth-child(3)::before {
    animation-delay: calc(var(--flow-bus) + 460ms);
  }
  .popina-flow-uses > li:nth-child(4)::before {
    animation-delay: calc(var(--flow-bus) + 540ms);
  }
  @media (width < 640px) {
    .popina-flow-wire::before {
      animation-name: popina-flow-draw-y;
    }
    .popina-flow-wire > i {
      animation-name: popina-flow-head-y;
    }
    /* Sur téléphone, collecteur et branches deviennent un nœud et des puces : ils restent. */
    .popina-flow-uses::before,
    .popina-flow-uses > li::before {
      animation: none;
    }
  }
}
/* Chaque trait est complet à 80 % de sa durée ; le signal s'efface sur le reste. */
@keyframes popina-flow-draw-x {
  0% {
    transform: scaleX(0);
  }
  80%,
  100% {
    transform: scaleX(1);
  }
}
@keyframes popina-flow-draw-y {
  0% {
    transform: scaleY(0);
  }
  80%,
  100% {
    transform: scaleY(1);
  }
}
@keyframes popina-flow-head-x {
  0% {
    transform: translateX(-100%);
    opacity: 1;
  }
  80% {
    transform: translateX(0);
    opacity: 1;
  }
  100% {
    transform: translateX(0);
    opacity: 0;
  }
}
@keyframes popina-flow-head-y {
  0% {
    transform: translateY(-100%);
    opacity: 1;
  }
  80% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(0);
    opacity: 0;
  }
}
/* Le collecteur s'ouvre depuis le tronc, vers le haut et vers le bas. */
@keyframes popina-flow-open {
  from {
    transform: scaleY(0);
  }
  to {
    transform: scaleY(1);
  }
}
/* Pages de référence (connexions, Popina, sécurité) : le schéma des sources reliées à Enskel
   et la carte des régions où vivent les données. Tableaux et mise en route : blocks.css. */

/* Sources → Enskel : les cartes à gauche, le collecteur rouge, le système sombre à droite. */
.blocks-sources {
  --row: 74px;
  --gap: 10px;
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 64px minmax(0, 0.9fr);
  align-items: center;
  max-width: 680px;
  margin: 0;
}
.blocks-sources::before,
.blocks-zone--depth-0::before {
  content: '';
  position: absolute;
  inset: -32px 0;
  z-index: -1;
  background-image: radial-gradient(
    circle at 0.5px 0.5px,
    var(--color-chart) 0.6px,
    transparent 0.75px
  );
  background-size: 22px 22px;
  opacity: calc(0.45 * var(--scene-reveal, 1));
  mask-image: radial-gradient(closest-side, black 45%, transparent);
}
.blocks-sources-wires {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: inherit;
  grid-row: 1;
  grid-column: 1 / -1;
  pointer-events: none;
}
.blocks-sources-wires > .blocks-bus {
  grid-column: 2;
}
.blocks-sources-list {
  display: grid;
  grid-auto-rows: var(--row);
  row-gap: var(--gap);
  align-content: center;
  grid-row: 1;
  grid-column: 1;
}
.blocks-source {
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 7px;
  padding: 10px 16px;
  border: 1px solid color-mix(in srgb, var(--color-graphite) 8%, transparent);
  border-radius: 12px;
  background: var(--color-surface);
  box-shadow:
    0 1px 2px rgb(0 0 0 / 0.04),
    0 16px 34px -24px rgb(0 0 0 / 0.24);
}
.blocks-source--open {
  border: 1px dashed color-mix(in srgb, var(--color-graphite) 26%, transparent);
  background: var(--color-canvas);
  box-shadow: none;
}
.blocks-source-name {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.025em;
}
.blocks-source .blocks-pill {
  padding-block: 1px;
  font-size: 12px;
}
.blocks-sources-target {
  position: relative;
  display: grid;
  align-content: start;
  gap: 16px;
  grid-row: 1;
  grid-column: 3;
  padding: clamp(20px, 2vw, 28px);
  border-radius: var(--radius-panel);
  background: var(--surface-dark-background);
  box-shadow: var(--surface-dark-shadow);
  color: var(--color-surface);
}
.blocks-sources-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 28px;
  font-weight: 750;
  line-height: 1;
  letter-spacing: -0.06em;
}
.blocks-sources-brand::before {
  content: '';
  width: 9px;
  height: 9px;
  background: var(--color-accent);
}
.blocks-sources-modules > li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-top: 1px solid rgb(255 255 255 / 0.09);
  color: #c9c9c9;
  font: 400 11px/1.4 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.blocks-sources-modules > li::before {
  content: '';
  flex: none;
  width: 5px;
  height: 5px;
  background: rgb(255 255 255 / 0.42);
}

/* Où vivent les données : le réseau mondial, l'Union européenne, puis Paris au cœur. Les
   zones intérieures s'ouvrent l'une après l'autre quand la carte entre (rôle « scene »). */
.blocks-zone {
  position: relative;
  display: grid;
  gap: 14px;
  padding: clamp(16px, 1.9vw, 24px);
  border-radius: 18px;
}
.blocks-zone--depth-0 {
  isolation: isolate;
  max-width: 660px;
  border: 1px dashed color-mix(in srgb, var(--color-graphite) 26%, transparent);
}
.blocks-zone--depth-1 {
  --open: clamp(0, (var(--scene-reveal, 1) - 0.12) / 0.5, 1);
  margin-top: 6px;
  border: 1px solid color-mix(in srgb, var(--color-graphite) 8%, transparent);
  border-radius: 15px;
  background: var(--color-surface);
  box-shadow:
    0 1px 2px rgb(0 0 0 / 0.04),
    0 26px 56px -34px rgb(0 0 0 / 0.3);
}
.blocks-zone--depth-2 {
  --open: clamp(0, (var(--scene-reveal, 1) - 0.4) / 0.6, 1);
}
/* Fermée, la zone se réduit à son centre ; ouverte, le masque s'écarte au-delà de l'ombre. */
.blocks-zone--depth-1,
.blocks-zone--depth-2 {
  clip-path: inset(
    calc((1 - var(--open)) * 50% - var(--open) * 56px) round 14px
  );
}
.blocks-zone--core {
  margin-top: 6px;
  border: 0;
  border-radius: 12px;
  background: var(--surface-dark-background);
  box-shadow: var(--surface-dark-shadow);
  color: var(--color-surface);
}
.blocks-zone-name {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-muted);
  font: 400 11px/1.4 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.blocks-zone-mark {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1.5px currentColor;
}
.blocks-zone--depth-1 > .blocks-zone-name > .blocks-zone-mark {
  border-radius: 0;
  background: var(--color-graphite);
  box-shadow: none;
}
.blocks-zone--core > .blocks-zone-name {
  color: var(--color-surface);
  font-size: 12px;
}
.blocks-zone--core > .blocks-zone-name > .blocks-zone-mark {
  border-radius: 0;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent) 24%, transparent);
}
.blocks-zone-services {
  display: grid;
  gap: 6px;
}
.blocks-zone-services > li {
  display: grid;
  grid-template-columns: minmax(96px, 0.42fr) minmax(0, 1fr);
  align-items: baseline;
  gap: 2px 14px;
  padding: 10px 12px;
  border-radius: 9px;
  background: color-mix(
    in srgb,
    var(--color-graphite) 3.5%,
    var(--color-surface)
  );
}
.blocks-zone--depth-0 > .blocks-zone-services > li {
  background: var(--color-surface);
  box-shadow: inset 0 0 0 1px
    color-mix(in srgb, var(--color-graphite) 7%, transparent);
}
.blocks-zone--core > .blocks-zone-services > li {
  background: rgb(255 255 255 / 0.06);
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.08);
}
.blocks-zone-services strong {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.blocks-zone-services span {
  color: #555;
  font-size: 13.5px;
  line-height: 1.45;
  letter-spacing: -0.01em;
}
.blocks-zone--core .blocks-zone-services span {
  color: #bdbdbd;
}
.blocks-zone-services .blocks-zone-note {
  grid-column: 2;
  color: color-mix(in srgb, var(--color-accent) 62%, var(--color-surface));
  font: 400 var(--text-micro)/1.5 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (width < 640px) {
  .blocks-sources {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 48px;
  }
  .blocks-sources-wires {
    display: none;
  }
  .blocks-sources-list,
  .blocks-sources-target {
    grid-row: auto;
    grid-column: 1;
  }
  .blocks-sources-list {
    grid-auto-rows: auto;
  }
  /* Sans collecteur, un raccord vertical mène des sources au système. */
  .blocks-sources-target::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: calc(50% - 3.5px);
    width: 7px;
    height: 48px;
    background:
      linear-gradient(var(--color-accent), var(--color-accent)) center / 1.5px
        100% no-repeat,
      linear-gradient(var(--color-accent), var(--color-accent)) 0 0 / 7px 7px
        no-repeat;
  }
  .blocks-zone {
    gap: 12px;
    padding: 14px;
  }
  .blocks-zone-services > li {
    grid-template-columns: minmax(0, 1fr);
  }
  .blocks-zone-services .blocks-zone-note {
    grid-column: 1;
  }
}