/* ==========================================================================
   AKELION — Pages de contenu sans scène 3D
   Neural Water Management, applications, essais, entreprise, ressources,
   contact et pages institutionnelles. Complète style.css et components.css.
   ========================================================================== */

/* --------------------------------------------------------------------------
   En-tête de page
   -------------------------------------------------------------------------- */

.page-hero {
  position: relative;
  padding-block: clamp(8.5rem, 19vh, 11.5rem) clamp(3.75rem, 8vw, 6rem);
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(70% 60% at 78% 30%, rgba(61, 59, 122, 0.42), transparent 68%),
    radial-gradient(36% 40% at 80% 40%, rgba(195, 210, 0, 0.06), transparent 72%),
    linear-gradient(180deg, var(--navy-850), var(--navy-900) 70%);
}

/* Trame de plan, comme sur les scènes 3D */
.page-hero::before {
  content: "";
  position: absolute;
  inset: -5%;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 92px 92px;
  mask-image: radial-gradient(60% 70% at 72% 40%, #000, transparent 78%);
  -webkit-mask-image: radial-gradient(60% 70% at 72% 40%, #000, transparent 78%);
}

.page-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.page-hero--text .page-hero__inner { grid-template-columns: minmax(0, 1fr); }
.page-hero--text .page-hero__lede { max-width: 62ch; }

.page-hero__title {
  font-size: clamp(2.2rem, 4.6vw, 3.8rem);
  font-stretch: 106%;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.06;
  color: var(--paper);
  text-wrap: balance;
}

.page-hero__title em { font-style: normal; color: var(--lime); }
.page-hero__title sup { font-size: 0.3em; vertical-align: super; }

.page-hero__lede {
  margin-top: 1.6rem;
  font-size: clamp(1.05rem, 1.3vw, 1.22rem);
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 54ch;
}

.page-hero .btn-row { margin-top: 2.25rem; }

.page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.page-hero__aside { position: relative; margin: 0; }
.page-hero__lede p + p { margin-top: 1rem; }
.page-hero__aside img,
.page-hero__aside svg { display: block; width: 100%; height: auto; }

@media (max-width: 900px) {
  .page-hero__inner { grid-template-columns: minmax(0, 1fr); }
  .page-hero__aside { max-width: 34rem; }

  /* Neural Water Management sur téléphone : le premier écran tient entre
     le bandeau du site et le bas de l'écran (surtitre et titre en haut,
     texte et boutons en bas) ; le schéma passe derrière le texte, sans
     libellés. Il reste complet et légendé sur grand écran. */
  .page-hero--nwm {
    display: flex;
    height: 100vh;
    height: 100svh;
    padding: calc(81px + 1rem) 0 max(1.25rem, env(safe-area-inset-bottom));
  }
  .page-hero--nwm .page-hero__inner { display: flex; flex-direction: column; flex: 1; min-height: 0; }
  .page-hero--nwm .page-hero__inner > div {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    flex: 1;
    min-height: 0;
    position: relative;
    z-index: 1;
  }
  /* Texte collé aux boutons : taille ajustée par main.js (--fit) */
  .page-hero--nwm .page-hero__title { font-size: calc(1.9rem * var(--fit, 1)); line-height: 1.04; }
  .page-hero--nwm .page-hero__lede {
    margin-top: 1.1rem;
    font-size: calc(0.94rem * (0.4 + 0.6 * var(--fit, 1)));
    line-height: 1.6;
  }
  .page-hero--nwm .btn-row { margin-top: 1.5rem; }
  .page-hero--nwm .page-hero__title,
  .page-hero--nwm .page-hero__lede,
  .page-hero--nwm .eyebrow {
    text-shadow: 0 1px 12px rgba(8, 8, 26, 0.95), 0 0 34px rgba(8, 8, 26, 0.75);
  }
  .page-hero--nwm .page-hero__aside {
    position: absolute;
    inset: 0;
    z-index: 0;
    max-width: none;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.4;
    pointer-events: none;
  }
  .page-hero--nwm .nwm-diagram { width: 150%; max-width: none; flex: none; }
  .page-hero--nwm .nwm-diagram text { display: none; }
}

/* --------------------------------------------------------------------------
   En-tête « repères » : titre à gauche, chiffres clés de la page à droite.
   Il occupe le premier écran ; la section suivante démarre juste dessous.
   -------------------------------------------------------------------------- */

.page-hero--facts {
  display: flex;
  align-items: center;
  /* Un peu moins haut que l'écran : le titre de la section suivante apparaît
     en bas et invite à défiler. */
  min-height: 76vh;
  min-height: 76svh;
  padding-block: max(7rem, 14vh) max(3rem, 6vh);
}

.page-hero--facts .page-hero__inner { width: 100%; }
.page-hero--facts + .band { padding-top: clamp(2.75rem, 5vw, 4rem); }

.facts {
  padding: clamp(1.5rem, 2.6vw, 2.1rem);
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(195, 210, 0, 0.06), rgba(255, 255, 255, 0.01));
}

.facts__title {
  margin-bottom: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
}

.facts__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.6rem 1.5rem;
  margin: 0 0 1.6rem;
}

.facts__list dt {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.2vw, 2.8rem);
  font-stretch: 106%;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--paper);
  white-space: nowrap;
}

.facts__list dd {
  margin: 0.45rem 0 0;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.facts__note {
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--text-faint);
}

.facts__note .link-arrow { margin-left: 0.35rem; }

/* Variante contact : coordonnées directes sous les repères */
.facts__contact { display: grid; gap: 0.9rem; margin: 0 0 1.4rem; }
.facts__contact div { display: grid; gap: 0.2rem; }

.facts__contact span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.facts__contact a,
.facts__contact address {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.6vw, 1.35rem);
  font-style: normal;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-decoration: none;
}

.facts__contact a:hover { color: var(--lime); }

@media (max-width: 900px) {
  .page-hero--facts { min-height: 0; display: block; padding-block: 8rem 3.5rem; }
  .facts { max-width: 36rem; }
}

@media (max-width: 420px) {
  .facts__list { gap: 1.25rem 1rem; }
  .facts__list dt { font-size: 1.7rem; }
}

/* --------------------------------------------------------------------------
   Schéma Neural Water Management
   -------------------------------------------------------------------------- */

.nwm-diagram { overflow: visible; }
.nwm-diagram .ln { fill: none; stroke: rgba(232, 233, 226, 0.55); stroke-width: 1.2; }
.nwm-diagram .ln--soft { stroke: rgba(232, 233, 226, 0.22); }
.nwm-diagram .ln--lime { stroke: var(--lime); }
.nwm-diagram .flow {
  fill: none;
  stroke: var(--lime);
  stroke-width: 1.4;
  stroke-dasharray: 5 7;
  animation: nwm-flow 2.4s linear infinite;
}
.nwm-diagram .box { fill: rgba(13, 12, 34, 0.85); stroke: rgba(232, 233, 226, 0.35); stroke-width: 1.2; }
.nwm-diagram .box--core { fill: rgba(195, 210, 0, 0.08); stroke: var(--lime); }
.nwm-diagram .lbl {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  fill: var(--text-muted);
}
.nwm-diagram .lbl--strong { fill: var(--paper); font-weight: 500; font-size: 15px; }
.nwm-diagram .lbl--flow { font-size: 10.5px; fill: var(--text-faint); }
.nwm-diagram .lbl--lime { fill: var(--lime); }
.nwm-diagram .dot { fill: var(--lime); }

@keyframes nwm-flow { to { stroke-dashoffset: -24; } }

/* Chaîne des fonctions : mesure → traçabilité */
.fn-chain {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  counter-reset: fn;
}

.fn-chain li {
  position: relative;
  padding: clamp(1.4rem, 2.4vw, 1.9rem) clamp(1.1rem, 1.8vw, 1.5rem);
  background: var(--navy-900);
  counter-increment: fn;
}

.fn-chain li::before {
  content: counter(fn, decimal-leading-zero);
  display: block;
  margin-bottom: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.fn-chain h3 { margin-bottom: 0.6rem; }
.fn-chain p { font-size: 0.92rem; line-height: 1.6; color: var(--text-muted); }

.fn-chain__tag {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}

@media (max-width: 1100px) {
  .fn-chain { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fn-chain li:last-child { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .fn-chain { grid-template-columns: minmax(0, 1fr); }
}

/* Chiffre clé mis en avant, avec sa condition de mesure */
.keyfig {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(195, 210, 0, 0.06), rgba(255, 255, 255, 0.008));
}

.keyfig__num {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-stretch: 108%;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--lime);
  white-space: nowrap;
}

.keyfig__text { color: var(--text); }
.keyfig__note { margin-top: 0.6rem; font-size: 0.82rem; line-height: 1.6; color: var(--text-faint); }

@media (max-width: 620px) {
  .keyfig { grid-template-columns: minmax(0, 1fr); }
}

/* --------------------------------------------------------------------------
   Tableau de situations (applications)
   -------------------------------------------------------------------------- */

.situations { border-top: 1px solid var(--line-soft); }

.situation {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) auto;
  gap: 1rem clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
  padding-block: clamp(1.25rem, 2.4vw, 1.75rem);
  border-bottom: 1px solid var(--line-soft);
}

.situation__case {
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 1.5vw, 1.25rem);
  font-weight: 600;
  letter-spacing: -0.012em;
  line-height: 1.35;
  color: var(--paper);
}

.situation__case small {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text-muted);
}

.situation__answer { font-size: 0.94rem; color: var(--text-muted); }
.situation__answer b { display: block; margin-bottom: 0.2rem; color: var(--lime); font-weight: 600; }

.situation .link-arrow { white-space: nowrap; }

@media (max-width: 820px) {
  .situation { grid-template-columns: minmax(0, 1fr); }
}

/* Encadré d'orientation (ex. liquides de procédé) */
.aside-note {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  padding: clamp(1.4rem, 2.6vw, 1.9rem);
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.02);
}

.aside-note__title { margin-bottom: 0.45rem; }
.aside-note p:not(.aside-note__title) { color: var(--text-muted); font-size: 0.94rem; max-width: 70ch; }

@media (max-width: 720px) {
  .aside-note { grid-template-columns: minmax(0, 1fr); }
}

/* --------------------------------------------------------------------------
   Entreprise : équipe
   -------------------------------------------------------------------------- */

.team {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.member {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.4rem;
  align-items: center;
  padding: clamp(1.25rem, 2.4vw, 1.75rem);
  border: 1px solid var(--line-soft);
  background: linear-gradient(158deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.008));
}

.member img {
  width: clamp(88px, 9vw, 112px);
  height: clamp(88px, 9vw, 112px);
  object-fit: cover;
  clip-path: var(--octagon);
}

.member__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.member__role {
  margin-top: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lime);
}

/* Citation (raison d'être) */
.quote {
  margin: 0;
  padding: clamp(1.5rem, 3vw, 2.25rem) clamp(1.5rem, 3vw, 2.5rem);
  border-left: 3px solid var(--lime);
  background: linear-gradient(158deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.008));
}

.quote p {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.9vw, 1.45rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.quote cite {
  display: block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}

/* --------------------------------------------------------------------------
   Ressources : liste de documents
   -------------------------------------------------------------------------- */

.doclist { border-top: 1px solid var(--line-soft); }

.doclist__group {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 2fr);
  gap: 1rem clamp(1.5rem, 4vw, 3rem);
  padding-block: clamp(1.5rem, 3vw, 2.25rem);
  border-bottom: 1px solid var(--line-soft);
}

.doclist__title {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.6vw, 1.35rem);
  font-weight: 650;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.doclist__title small {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-body);
  font-size: 0.86rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text-muted);
}

.doclist__items { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0.75rem; }

@media (max-width: 760px) {
  .doclist__group { grid-template-columns: minmax(0, 1fr); }
}

/* --------------------------------------------------------------------------
   Contact : informations utiles
   -------------------------------------------------------------------------- */

.useful {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.useful li {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.useful b { display: block; margin-bottom: 0.25rem; color: var(--paper); font-weight: 600; }

/* --------------------------------------------------------------------------
   Pages institutionnelles et légales — texte long
   -------------------------------------------------------------------------- */

.legal-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 17rem);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.legal-layout__aside { position: sticky; top: 7rem; display: grid; gap: 1.25rem; }

@media (max-width: 960px) {
  .legal-layout { grid-template-columns: minmax(0, 1fr); }
  /* Sur mobile, le texte d'abord : le PDF et les autres documents ensuite */
  .legal-layout__aside { position: static; }
}

.legal__body { max-width: 68ch; }

.legal__body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  font-stretch: 104%;
  font-weight: 650;
  letter-spacing: -0.022em;
  color: var(--lime);
  margin: clamp(3rem, 5vw, 4rem) 0 1.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line-soft);
}

.legal__body > h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }

.legal__body h3 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--paper);
  margin: 2rem 0 0.7rem;
}

.legal__body p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.72;
  margin-bottom: 1rem;
}

.legal__body ul {
  margin: 0 0 1.25rem;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.72;
}

.legal__body li { margin-bottom: 0.45rem; }
.legal__body li::marker { color: var(--lime); }

.legal__body a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.25s var(--ease-out);
}
.legal__body a:hover { color: var(--lime); }

.legal__body blockquote {
  margin: 0 0 1rem;
  padding: 1.1rem 1.4rem;
  border-left: 3px solid var(--lime);
  background: rgba(255, 255, 255, 0.025);
}

.legal__body blockquote p { color: var(--paper); margin: 0; }

.legal__source { font-size: 0.86rem !important; color: var(--text-faint) !important; }

.legal__version {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem !important;
  letter-spacing: 0.08em;
  color: var(--text-faint) !important;
}

/* Bloc d'identité de l'éditeur */
.legal__id {
  display: grid;
  gap: 0;
  margin: 0 0 1.5rem;
  border-top: 1px solid var(--line-soft);
}

.legal__id div {
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: 1rem;
  padding-block: 0.8rem;
  border-bottom: 1px solid var(--line-soft);
}

.legal__id dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.legal__id dd { margin: 0; font-size: 0.96rem; color: var(--text); }

/* Tableau des durées de conservation */
.legal__table {
  width: 100%;
  margin: 0 0 1.25rem;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.legal__table th,
.legal__table td {
  padding: 0.8rem 0.9rem 0.8rem 0;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
  line-height: 1.55;
}

.legal__table th {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.legal__table td { color: var(--text-muted); }
.legal__table td:first-child { color: var(--text); }

@media (max-width: 620px) {
  .legal__id div { grid-template-columns: minmax(0, 1fr); gap: 0.25rem; }
  .legal__table thead { display: none; }
  .legal__table tr { display: grid; padding-block: 0.6rem; border-bottom: 1px solid var(--line-soft); }
  .legal__table td { padding: 0.15rem 0; border: 0; }
}

/* Encart de navigation entre documents institutionnels */
.inst-nav {
  padding: 1.25rem 1.3rem;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.02);
}

.inst-nav__title {
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.inst-nav ul { display: grid; gap: 0.15rem; margin: 0; padding: 0; list-style: none; }

.inst-nav a {
  display: block;
  padding: 0.4rem 0;
  font-size: 0.92rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.25s var(--ease-out);
}

.inst-nav a:hover { color: var(--lime); }
.inst-nav a[aria-current="page"] { color: var(--paper); font-weight: 500; }
.inst-nav a[aria-current="page"]::before { content: "— "; color: var(--lime); }

/* --------------------------------------------------------------------------
   Confirmation d'envoi
   -------------------------------------------------------------------------- */

.confirm { min-height: 62vh; display: flex; align-items: center; }

@media (prefers-reduced-motion: reduce) {
  .nwm-diagram .flow { animation: none; }
}

/* Bande resserrée (introduction courte avant un formulaire) */
.band--compact { padding-block: clamp(2.5rem, 5vw, 3.75rem) 0; }