/* ==========================================================
   AUCTORITAS — Stylesheet partagé
   ----------------------------------------------------------
   4 pages : / · /platform · /use-cases · /about
   Bilingue : FR (racine) + EN (/en/)
   Polices : Fraunces / Inter / JetBrains Mono
   Cohérence : grammaire écosystème WISER · DELEX
   ========================================================== */

:root {
  --ivoire: #FAF8F5;
  --papier: #FBF9F5;
  --bordeaux: #5C1A1B;
  --bordeaux-soft: rgba(92, 26, 27, 0.08);
  --encre: #0E1116;
  --encre-douce: #2A2F38;
  --profond: #0E0E10;
  --filet-ivoire: #E6E2DC;
  --filet-soft: #EFEBE5;
  --attenue: #6B7280;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Menlo', monospace;

  --gutter: clamp(20px, 5vw, 80px);
  --max-width: 1280px;
  --col-text: 680px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--encre-douce);
  background: var(--ivoire);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--bordeaux); color: var(--ivoire); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--encre); color: var(--ivoire);
  padding: 8px 14px; z-index: 200;
  font-family: var(--font-mono); font-size: 12px;
}
.skip:focus { left: 12px; top: 12px; }

/* ==========================================================
   NAV
   ========================================================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 64px;
  padding: 0 var(--gutter);
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--filet-ivoire);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: 0.06em;
  color: var(--encre);
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--attenue);
  transition: color 0.2s var(--ease);
}

.nav__link:hover, .nav__link.is-active { color: var(--encre); }

.nav__right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav__lang {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--encre);
}

.nav__lang a { opacity: 0.45; transition: opacity 0.2s var(--ease); }
.nav__lang a.is-active { opacity: 1; }
.nav__lang a:hover { opacity: 1; }
.nav__lang-sep { opacity: 0.3; }

.nav__contact {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--encre);
  padding-bottom: 2px;
  border: none;
  border-bottom: 1px solid transparent;
  background: none;
  cursor: pointer;
  transition: border-color 0.2s var(--ease);
}

.nav__contact:hover { border-bottom-color: var(--bordeaux); }

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav { padding: 0 20px; }
  .nav__right { gap: 16px; }
}

main { padding-top: 64px; }

/* ==========================================================
   SECTIONS COMMUNES
   ========================================================== */
.section {
  padding: 96px var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
}

.section--profond {
  background: var(--profond);
  color: var(--ivoire);
  max-width: none;
  margin: 0;
  padding: 0;
}

.section--profond .section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 96px var(--gutter);
}

.section--paper {
  background: var(--papier);
  max-width: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--filet-ivoire);
  border-bottom: 1px solid var(--filet-ivoire);
}

.section--paper .section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 96px var(--gutter);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bordeaux);
  display: inline-block;
}

.section--profond .eyebrow {
  color: var(--ivoire);
  opacity: 0.85;
}

.section__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(34px, 4.8vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--encre);
  max-width: 22ch;
  margin-top: 16px;
}

.section--profond .section__title { color: var(--ivoire); }
.section__title em { font-style: italic; font-weight: 400; }

.section__lead {
  font-size: 17px;
  line-height: 1.7;
  color: var(--encre-douce);
  max-width: 60ch;
  margin-top: 24px;
}

.section--profond .section__lead {
  color: var(--ivoire);
  opacity: 0.86;
}

/* ==========================================================
   HERO HOME
   ========================================================== */
.hero {
  padding: 120px var(--gutter) 80px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--attenue);
  margin-bottom: 40px;
  display: inline-block;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(44px, 7vw, 92px);
  line-height: 1.04;
  letter-spacing: -0.024em;
  color: var(--encre);
  margin-bottom: 32px;
  max-width: 16ch;
}

.hero__title em { font-style: italic; font-weight: 400; }
.hero__title-accent { color: var(--bordeaux); font-style: italic; font-weight: 400; }

.hero__sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--encre-douce);
  max-width: 56ch;
  margin-bottom: 40px;
}

.hero__cta-row {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero__access-note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--attenue);
}

/* ==========================================================
   BUTTONS / CTA
   ========================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ivoire);
  background: var(--encre);
  border: 1px solid var(--encre);
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn-primary:hover {
  background: var(--bordeaux);
  border-color: var(--bordeaux);
}

.btn-primary svg {
  width: 12px; height: 12px;
}

.btn-text {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--encre);
  padding-bottom: 2px;
  border-bottom: 1px solid var(--bordeaux);
  transition: color 0.2s var(--ease);
}

.btn-text:hover { color: var(--bordeaux); }

/* ==========================================================
   PAGE HEADER (Platform / Use Cases / About)
   ========================================================== */
.page-header {
  padding: 96px var(--gutter) 64px;
  border-bottom: 1px solid var(--filet-ivoire);
  max-width: var(--max-width);
  margin: 0 auto;
}

.page-header__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--attenue);
  margin-bottom: 32px;
  display: inline-block;
}

.page-header__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(40px, 5.5vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.022em;
  color: var(--encre);
  max-width: 18ch;
  margin-bottom: 24px;
}

.page-header__title em { font-style: italic; font-weight: 400; }

.page-header__sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--encre-douce);
  max-width: 60ch;
}

/* ==========================================================
   POWERS (Home — 4 dimensions)
   ========================================================== */
.powers {
  padding: 96px var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid var(--filet-ivoire);
}

.powers__head { margin-bottom: 56px; max-width: 60ch; }

.powers__lead {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  line-height: 1.5;
  color: var(--encre);
  margin-top: 20px;
  border-left: 2px solid var(--bordeaux);
  padding-left: 24px;
}

.powers__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--filet-ivoire);
  border-left: 1px solid var(--filet-ivoire);
}

.power {
  padding: 36px 32px;
  border-right: 1px solid var(--filet-ivoire);
  border-bottom: 1px solid var(--filet-ivoire);
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--ivoire);
}

.power__num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bordeaux);
}

.power__statement {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--encre);
}

.power__body {
  font-size: 14px;
  line-height: 1.65;
  color: var(--encre-douce);
}

@media (max-width: 720px) {
  .powers__grid { grid-template-columns: 1fr; }
}

/* ==========================================================
   PARADIGM (Home — anaphore négative)
   ========================================================== */
.paradigm {
  padding: 96px var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid var(--filet-ivoire);
}

.paradigm__head { max-width: 60ch; margin-bottom: 48px; }

.paradigm__neg {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 56ch;
}

.paradigm__neg li {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  line-height: 1.4;
  color: var(--attenue);
}

.paradigm__neg li::before {
  content: "—";
  color: var(--bordeaux);
  margin-right: 12px;
}

.paradigm__neg li.is-affirmation {
  color: var(--encre);
  font-weight: 500;
  font-style: italic;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--filet-ivoire);
}

.paradigm__neg li.is-affirmation::before { content: ""; margin: 0; }

/* ==========================================================
   PIPELINE (Platform — 4 étapes)
   ========================================================== */
.pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--filet-ivoire);
  background: var(--filet-ivoire);
  margin-top: 32px;
}

.pipeline__step {
  background: var(--ivoire);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.pipeline__step:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -10px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--bordeaux);
  background: var(--ivoire);
  padding: 2px 4px;
  z-index: 2;
}

.pipeline__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--attenue);
}

.pipeline__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--encre);
}

.pipeline__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--encre-douce);
}

@media (max-width: 900px) {
  .pipeline { grid-template-columns: repeat(2, 1fr); }
  .pipeline__step:nth-child(2)::after,
  .pipeline__step:last-child::after { display: none; }
}

@media (max-width: 480px) {
  .pipeline { grid-template-columns: 1fr; }
  .pipeline__step::after { display: none !important; }
}

/* ==========================================================
   CONSTRAINT CARD (Platform exemple + Use Cases)
   Structure tripartite : DV / Tableau réglementaire / Sources
   ========================================================== */
.constraint {
  border: 1px solid var(--filet-ivoire);
  background: var(--ivoire);
  margin-top: 32px;
  border-left: 3px solid var(--bordeaux);
}

.constraint--high { border-left-width: 3px; }
.constraint--moderate { border-left-width: 2px; }
.constraint--emerging { border-left-width: 1px; }

.constraint__dv {
  background: var(--profond);
  color: var(--ivoire);
  padding: 24px 32px;
}

.constraint__dv-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ivoire);
  opacity: 0.7;
  margin-bottom: 8px;
  display: inline-block;
}

.constraint__dv-text {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 18px;
  line-height: 1.5;
  color: var(--ivoire);
}

.constraint__inner { padding: 32px; }

.constraint__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--filet-ivoire);
}

.constraint__ref {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--encre);
}

.constraint__badge {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bordeaux);
  border: 1px solid var(--bordeaux);
  padding: 4px 10px;
  white-space: nowrap;
}

.constraint__grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 14px 24px;
  font-size: 14px;
  line-height: 1.65;
}

.constraint__grid dt {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--attenue);
  padding-top: 2px;
}

.constraint__grid dd { color: var(--encre-douce); }
.constraint__grid dd.is-critical { color: var(--bordeaux); font-weight: 500; }

.constraint__sources {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--filet-ivoire);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.10em;
  color: var(--attenue);
  line-height: 1.5;
}

@media (max-width: 600px) {
  .constraint__grid { grid-template-columns: 1fr; gap: 4px 0; }
  .constraint__grid dt { padding-top: 12px; }
  .constraint__inner { padding: 24px; }
  .constraint__dv { padding: 20px 24px; }
}

/* ==========================================================
   PROJECTIONS — 3 scénarios %
   ========================================================== */
.projections {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--filet-ivoire);
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.projection {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 28px;
  align-items: baseline;
}

.projection__pct {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--bordeaux);
}

.projection__body { display: flex; flex-direction: column; gap: 8px; }

.projection__label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--attenue);
}

.projection__text {
  font-size: 14px;
  line-height: 1.65;
  color: var(--encre-douce);
}

.projection__action {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 14px;
  line-height: 1.6;
  color: var(--encre);
  margin-top: 4px;
}

@media (max-width: 600px) {
  .projection { grid-template-columns: 1fr; gap: 8px; }
  .projection__pct { font-size: 40px; }
}

/* ==========================================================
   CONDITIONS D'INVALIDATION
   ========================================================== */
.invalidation {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--filet-ivoire);
}

.invalidation__label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--attenue);
  margin-bottom: 16px;
  display: block;
}

.invalidation__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}

.invalidation__list li {
  border: 1px solid var(--filet-ivoire);
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--encre-douce);
  background: var(--papier);
}

/* ==========================================================
   USE CASE BLOCK — full case
   ========================================================== */
.case {
  padding: 80px var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid var(--filet-ivoire);
}

.case__head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 900px) {
  .case__head { grid-template-columns: 1fr; gap: 32px; }
}

.case__meta {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.case__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--attenue);
}

.case__domain {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bordeaux);
  display: flex;
  align-items: center;
  gap: 10px;
}

.case__domain::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--bordeaux);
  border-radius: 50%;
}

.case__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--encre);
}

.case__title em { font-style: italic; font-weight: 400; }

.case__context {
  font-size: 15px;
  line-height: 1.7;
  color: var(--encre-douce);
}

.case__audience {
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--filet-ivoire);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.case__audience-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--attenue);
}

.case__audience-value {
  font-size: 13px;
  line-height: 1.5;
  color: var(--encre-douce);
}

.case__insight {
  margin-top: 32px;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 18px;
  line-height: 1.55;
  color: var(--encre);
  border-left: 2px solid var(--bordeaux);
  padding: 4px 0 4px 20px;
}

/* ==========================================================
   HOW IT WORKS (Platform — 3 piliers)
   ========================================================== */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 32px;
}

.how-item { display: flex; flex-direction: column; gap: 12px; }

.how-item__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--bordeaux);
}

.how-item__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  color: var(--encre);
}

.how-item__body {
  font-size: 14px;
  line-height: 1.65;
  color: var(--encre-douce);
}

@media (max-width: 800px) {
  .how-grid { grid-template-columns: 1fr; gap: 24px; }
}

/* ==========================================================
   ABOUT — hero portrait + bio
   ========================================================== */
.about-hero {
  padding: 64px var(--gutter) 80px;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

@media (max-width: 900px) {
  .about-hero { grid-template-columns: 1fr; gap: 40px; }
}

.about-hero__photo {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-hero__photo img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: grayscale(100%);
}

.about-hero__caption {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--attenue);
}

.about-hero__text {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.about-hero__role {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--attenue);
}

.about-hero__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(48px, 6vw, 80px);
  line-height: 1.02;
  letter-spacing: -0.024em;
  color: var(--encre);
  margin-top: 8px;
}

.about-hero__name em { font-style: italic; font-weight: 400; }

.about-hero__title-line {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--encre-douce);
  margin-top: 12px;
}

.about-hero__statement {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  line-height: 1.5;
  color: var(--encre);
  border-left: 2px solid var(--bordeaux);
  padding-left: 24px;
}

.about-hero__bio { display: flex; flex-direction: column; gap: 18px; }

.about-hero__bio p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--encre-douce);
}

.markers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--filet-ivoire);
  margin-top: 24px;
}

.marker {
  padding: 24px;
  border-right: 1px solid var(--filet-ivoire);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.marker:last-child { border-right: none; }

.marker__value {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--encre);
}

.marker__label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--attenue);
  line-height: 1.5;
}

@media (max-width: 720px) {
  .markers { grid-template-columns: 1fr; }
  .marker { border-right: none; border-bottom: 1px solid var(--filet-ivoire); }
  .marker:last-child { border-bottom: none; }
}

/* ==========================================================
   ECOSYSTEM (Home + About)
   ========================================================== */
.ecosystem {
  padding: 96px var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid var(--filet-ivoire);
}

.ecosystem__head { margin-bottom: 56px; max-width: 70ch; }

.ecosystem__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--encre);
  margin-top: 16px;
  margin-bottom: 24px;
}

.ecosystem__title em { font-style: italic; font-weight: 400; }

.ecosystem__lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--encre-douce);
  max-width: 70ch;
}

.ecosystem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--filet-ivoire);
  border-left: 1px solid var(--filet-ivoire);
}

.eco-entity {
  padding: 36px 32px;
  border-right: 1px solid var(--filet-ivoire);
  border-bottom: 1px solid var(--filet-ivoire);
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--ivoire);
  position: relative;
}

.eco-entity--current {
  border-top: 3px solid var(--bordeaux);
  margin-top: -3px;
  background: var(--papier);
}

.eco-entity__eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bordeaux);
}

.eco-entity__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--encre);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.eco-entity__name em { font-style: italic; font-weight: 400; text-transform: none; letter-spacing: 0; }

.eco-entity__role {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.4;
  color: var(--encre);
}

.eco-entity__body {
  font-size: 14px;
  line-height: 1.65;
  color: var(--encre-douce);
}

.eco-entity__link {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: lowercase;
  color: var(--encre);
  border-bottom: 1px solid var(--bordeaux);
  padding-bottom: 2px;
  align-self: flex-start;
  margin-top: auto;
  transition: color 0.2s var(--ease);
}

.eco-entity__link:hover { color: var(--bordeaux); }

.eco-entity--current .eco-entity__link {
  border-bottom: none;
  color: var(--attenue);
  cursor: default;
}

@media (max-width: 900px) {
  .ecosystem__grid { grid-template-columns: 1fr; }
  .eco-entity { border-right: none; }
}

/* ==========================================================
   CONTINUE CARDS (3 cartes en bas de page)
   ========================================================== */
.continue {
  padding: 64px var(--gutter) 32px;
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid var(--filet-ivoire);
}

.continue__overline {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--attenue);
  margin-bottom: 32px;
}

.continue__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--filet-ivoire);
  border-left: 1px solid var(--filet-ivoire);
}

.continue-card {
  padding: 32px;
  border-right: 1px solid var(--filet-ivoire);
  border-bottom: 1px solid var(--filet-ivoire);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  background: var(--ivoire);
  transition: background 0.2s var(--ease);
}

.continue-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 2px;
  background: var(--bordeaux);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.continue-card:hover { background: var(--papier); }
.continue-card:hover::before { transform: scaleX(1); }

.continue-card__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bordeaux);
}

.continue-card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 30px;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--encre);
}

.continue-card__sub {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 14px;
  color: var(--encre-douce);
}

.continue-card__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--attenue);
  margin-top: 4px;
}

.continue-card__arrow {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--encre);
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.2s var(--ease);
}

.continue-card:hover .continue-card__arrow { gap: 14px; }

@media (max-width: 900px) {
  .continue__grid { grid-template-columns: 1fr; }
  .continue-card { border-right: none; }
}

/* ==========================================================
   CTA SECTION (bas de page)
   ========================================================== */
.cta {
  padding: 96px var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: left;
}

.cta__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--attenue);
  margin-bottom: 20px;
  display: block;
}

.cta__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.022em;
  color: var(--encre);
  max-width: 16ch;
  margin-bottom: 24px;
}

.cta__title em { font-style: italic; font-weight: 400; }

.cta__sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--encre-douce);
  max-width: 56ch;
  margin-bottom: 32px;
}

.cta__note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--attenue);
  margin-top: 20px;
}

/* ==========================================================
   FOOTER
   ========================================================== */
.footer {
  background: var(--profond);
  color: var(--ivoire);
  padding: 64px var(--gutter) 32px;
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(250, 248, 245, 0.12);
}

.footer__brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer__about {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ivoire);
  opacity: 0.7;
  max-width: 38ch;
}

.footer__col-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bordeaux);
  margin-bottom: 16px;
}

.footer__list { list-style: none; }
.footer__list li { margin-bottom: 8px; font-size: 13px; }
.footer__list a {
  color: var(--ivoire);
  opacity: 0.78;
  transition: opacity 0.2s var(--ease), color 0.2s var(--ease);
}
.footer__list a:hover { opacity: 1; color: var(--bordeaux); }

.footer__bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--attenue);
}

.footer__bottom a { color: var(--ivoire); opacity: 0.78; }

@media (max-width: 900px) {
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
}

/* ==========================================================
   MODAL — Request access
   ========================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(14, 14, 16, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}

.modal-overlay.is-active { display: flex; opacity: 1; }

.modal {
  background: var(--ivoire);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border: 1px solid var(--filet-ivoire);
  padding: 56px 48px 40px;
  position: relative;
  transform: translateY(12px);
  transition: transform 0.25s var(--ease);
}

.modal-overlay.is-active .modal { transform: translateY(0); }

.modal-close {
  position: absolute;
  top: 18px; right: 18px;
  background: none; border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--attenue);
  transition: color 0.15s var(--ease);
}

.modal-close:hover { color: var(--encre); }

.modal-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bordeaux);
  margin: 0 0 20px;
}

.modal-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 38px;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--encre);
  margin: 0 0 16px;
}

.modal-title em { font-style: italic; font-weight: 400; color: var(--bordeaux); }

.modal-sub {
  font-size: 15px;
  line-height: 1.6;
  color: var(--encre-douce);
  margin: 0 0 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--filet-ivoire);
}

.form-grid { display: grid; gap: 18px; }

.form-field { display: flex; flex-direction: column; gap: 6px; }

.form-field label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--attenue);
}

.form-field label .required { color: var(--bordeaux); margin-left: 2px; }

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--filet-ivoire);
  background: var(--ivoire);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--encre);
  transition: border-color 0.15s var(--ease);
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--bordeaux);
}

.form-field textarea {
  resize: vertical;
  min-height: 90px;
  line-height: 1.5;
}

.form-error {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bordeaux);
  margin-top: 4px;
  display: none;
}

.form-error.is-visible { display: block; }

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  opacity: 0;
}

.form-submit {
  margin-top: 12px;
  padding: 14px 28px;
  background: var(--encre);
  color: var(--ivoire);
  border: 1px solid var(--encre);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.form-submit:hover {
  background: var(--bordeaux);
  border-color: var(--bordeaux);
}

.form-submit:disabled { opacity: 0.5; cursor: wait; }

.form-footnote {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--attenue);
  margin-top: 16px;
}

.modal-success { display: none; padding: 16px 0; }
.modal-success.is-active { display: block; }
.modal-success .modal-title { font-size: 30px; margin-bottom: 12px; }

.modal-success__icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--bordeaux-soft);
  color: var(--bordeaux);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

@media (max-width: 600px) {
  .modal { padding: 48px 28px 32px; }
  .modal-title { font-size: 28px; }
}

/* ==========================================================
   MODAL hidden
   ========================================================== */
.is-hidden { display: none !important; }