/* =========================================================================
   page-systeme-information.css — OAcom "Systèmes d'information" experience.
   "Tout est connecté." The website is one node; on scroll the connected
   business systems light up one by one and their wires draw in, revealing the
   site as the visible tip of a whole information system. Network-at-night
   palette, OAcom DNA (yellow = the live connection, cyan = the data pulse).
   Scoped under .oa-si + body.layout-systeme-information (full-bleed).
   No-JS / no-GSAP / reduced-motion safe (the constellation renders fully lit).
   ========================================================================= */

/* ---- Headline font: load Meutas Black reliably (the same .otf the homepage
   #grostitre renders). noia registers `PolicePrincipale` only at weight 900 with
   a valid src; its weight-400 face has a malformed src, so headings asking for
   400 fall back to sans-serif. We declare our own face under a unique name,
   spanning the whole weight range, so every weight renders the black .otf. ---- */
@font-face {
  font-family: 'MeutasBlackSI';
  src: url('/images/fonts-oacom/Meutas-Black.otf') format('opentype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ---- Full-bleed: hide normal template chrome ---- */
body.layout-systeme-information {
  margin: 0;
  overflow-x: hidden;
  background: #070a12;
  color: #eef1f6;

  --si-night: #070a12;
  --si-night-2: #0c1120;
  --si-panel: rgba(255, 255, 255, 0.04);
  --si-paper: #f3f1ea;
  --si-paper-2: #e9e5d8;
  --si-ink: #14171f;
  --si-ink-soft: rgba(20, 23, 31, 0.62);
  --si-ink-faint: rgba(20, 23, 31, 0.42);
  --si-line-ink: rgba(20, 23, 31, 0.14);

  --si-fog: rgba(238, 241, 246, 0.66);
  --si-fog-2: rgba(238, 241, 246, 0.42);
  --si-fog-3: rgba(238, 241, 246, 0.22);

  --si-accent: #ffc901;        /* the connection / live colour */
  --si-cyan: #28d2c2;          /* the data pulse */
  --si-bad: #f0698e;           /* the silo / friction colour */

  --si-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --si-display: 'MeutasBlackSI', var(--oa-font-heading, 'PolicePrincipale'), sans-serif;
  --si-body: var(--oa-font-body, 'New Atten', system-ui, sans-serif);
  --si-accent-font: var(--oa-font-accent, 'Meutas', sans-serif);
  --si-gut: clamp(22px, 6vw, 120px);
}

/* The full standard header & toolbar (logo, menu toggler, contact dropdown,
   a11y toggle, favorites, share) and the adaptive light/dark colour system are
   left completely untouched so they behave exactly like every other page. We
   only hide the sidebars so the immersive content can stay full-width. */
body.layout-systeme-information .container-footer,
body.layout-systeme-information .footer,
body.layout-systeme-information .container-sidebar-left,
body.layout-systeme-information .grid-child.container-sidebar-left,
body.layout-systeme-information .container-sidebar-right,
body.layout-systeme-information .grid-child.container-sidebar-right {
  display: none !important;
}

body.layout-systeme-information #main-content,
body.layout-systeme-information main#main-content {
  max-width: none;
  width: 100%;
  margin: 0;
  padding: 0;
}
body.layout-systeme-information .grid { display: block; }

/* Logo + hamburger follow the adaptive surface state (the global sampler sets
   body.toolbar-on-light over light surfaces): white over the dark sections incl.
   the hero, dark over the light "systèmes" panel. */
body.layout-systeme-information #logoa .couleurlogo { fill: #fff !important; }
body.layout-systeme-information.toolbar-on-light #logoa .couleurlogo { fill: #000 !important; }
body.layout-systeme-information #toggle .hamburger span { background-color: #fff; }
body.layout-systeme-information.toolbar-on-light #toggle .hamburger span { background-color: #14171f; }

/* ---- Base ---- */
.oa-si {
  position: relative;
  font-family: var(--si-body);
  color: #eef1f6;
  background: var(--si-night);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
.oa-si * { box-sizing: border-box; }
.oa-si a { color: inherit; text-decoration: none; }
.oa-si img { display: block; max-width: 100%; }
/* counter the template-global `svg { position: absolute }` (components.css) so
   icon glyphs stay in flow and centre; the .si-wires SVG keeps its own absolute. */
.oa-si .si-node-glyph svg { position: static !important; }
.oa-si ::selection { background: var(--si-accent); color: var(--si-ink); }

/* ---- Display + headings ---- */
.oa-si .si-display {
  font-family: var(--si-display);
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin: 0;
}
.oa-si .si-h2 {
  font-family: var(--si-display);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0;
  font-size: clamp(2rem, 4.6vw, 4rem);
}

/* ---- Eyebrow / labels ---- */
.oa-si .si-eyebrow,
.oa-si .si-section-label {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--si-accent-font);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--si-fog-2);
}
.oa-si .si-eyebrow::before,
.oa-si .si-section-label::before {
  content: "";
  width: 30px;
  height: 2px;
  background: var(--si-accent);
}
.oa-si .si-eyebrow--light { color: var(--si-fog); }

/* ---- Reveal primitives (no-JS safe: only arm once .si-ready is set) ---- */
.oa-si.si-ready [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.95s var(--si-ease), transform 0.95s var(--si-ease);
}
.oa-si.si-ready [data-reveal].is-in { opacity: 1; transform: none; }

/* ---- Kinetic headline (word masks) ---- */
.oa-si .si-kinetic .si-line,
.oa-si .si-closing-title .si-line { display: block; overflow: hidden; padding-bottom: 0.08em; }
.oa-si .si-word { display: inline-block; will-change: transform; }
/* the template ships a global `* { font-family: "new-atten" }` which lands
   directly on these word/line spans and overrides the heading font they should
   inherit — restore inheritance so kinetic titles use the display face. */
.oa-si .si-line,
.oa-si .si-word { font-family: inherit; }
.oa-si .si-word-accent { color: var(--si-accent); }
.oa-si.si-ready .si-kinetic .si-word,
.oa-si.si-ready .si-closing-title .si-word { transform: translateY(118%); transition: transform 1.05s var(--si-ease); }
.oa-si.si-ready .si-kinetic.is-in .si-word,
.oa-si.si-ready .si-closing-title.is-in .si-word { transform: none; }
.oa-si.si-ready .si-kinetic.is-in .si-line:nth-child(1) .si-word { transition-delay: 0.05s; }
.oa-si.si-ready .si-kinetic.is-in .si-line:nth-child(2) .si-word { transition-delay: 0.18s; }

/* ---- Top nav ---- */
.oa-si .si-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(16px, 2.2vw, 30px) var(--si-gut);
  pointer-events: none;
}
.oa-si .si-nav > * { pointer-events: auto; }
.oa-si .si-brand {
  font-family: var(--si-display);
  font-size: 1.5rem; line-height: 1; letter-spacing: -0.02em; color: #fff;
}
.oa-si .si-nav-cta {
  font-size: 0.82rem; font-weight: 600; color: #fff;
  border-bottom: 1px solid transparent; padding-bottom: 2px;
  transition: border-color 0.4s var(--si-ease);
}
.oa-si .si-nav-cta:hover { border-color: var(--si-accent); }
.oa-si .si-nav-cta span,
.oa-si .si-btn span { display: inline-block; transition: transform 0.4s var(--si-ease); }
.oa-si .si-nav-cta:hover span { transform: translateX(4px); }

/* =========================================================================
   HERO
   ========================================================================= */
.oa-si .si-hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(120px, 18vh, 220px) var(--si-gut) clamp(80px, 12vh, 140px);
  overflow: hidden;
  isolation: isolate;
}
.oa-si .si-hero-bg { position: absolute; inset: 0; z-index: -1; }
.oa-si .si-hero-grid {
  position: absolute; inset: -2px;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 42%, #000 35%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 80% at 50% 42%, #000 35%, transparent 78%);
}
.oa-si .si-hero-bloom {
  position: absolute; inset: -25%;
  background:
    radial-gradient(circle at 50% 44%, rgba(255, 201, 1, 0.16), transparent 36%),
    radial-gradient(circle at 26% 70%, rgba(40, 210, 194, 0.12), transparent 38%),
    radial-gradient(circle at 78% 30%, rgba(120, 110, 255, 0.10), transparent 36%);
  mix-blend-mode: screen;
  animation: siBloom 16s ease-in-out infinite alternate;
}
@keyframes siBloom { to { transform: translate3d(2.5%, 1.6%, 0) scale(1.08); } }

.oa-si .si-spark {
  position: absolute; width: 5px; height: 5px; border-radius: 50%;
  background: var(--si-accent); box-shadow: 0 0 12px 2px rgba(255, 201, 1, 0.6);
  opacity: 0.5; animation: siTwinkle 4.5s ease-in-out infinite;
}
.oa-si .si-spark.s1 { top: 22%; left: 16%; animation-delay: 0s; }
.oa-si .si-spark.s2 { top: 70%; left: 24%; background: var(--si-cyan); box-shadow: 0 0 12px 2px rgba(40,210,194,.6); animation-delay: 0.8s; }
.oa-si .si-spark.s3 { top: 30%; left: 82%; animation-delay: 1.6s; }
.oa-si .si-spark.s4 { top: 64%; left: 78%; background: var(--si-cyan); box-shadow: 0 0 12px 2px rgba(40,210,194,.6); animation-delay: 2.2s; }
.oa-si .si-spark.s5 { top: 16%; left: 56%; animation-delay: 3s; }
.oa-si .si-spark.s6 { top: 84%; left: 52%; animation-delay: 3.6s; }
@keyframes siTwinkle { 0%, 100% { opacity: 0.18; transform: scale(0.7); } 50% { opacity: 0.9; transform: scale(1.15); } }

.oa-si .si-hero-inner { max-width: 1100px; text-align: center; }
.oa-si .si-hero-inner .si-eyebrow { justify-content: center; margin-bottom: clamp(22px, 3vw, 38px); }
.oa-si .si-hero .si-display { font-size: clamp(2.6rem, 8.2vw, 8rem); color: #fff; }
.oa-si .si-hero-lead {
  margin: clamp(26px, 3.4vw, 44px) auto 0; max-width: 64ch;
  font-size: clamp(1.02rem, 1.4vw, 1.28rem); line-height: 1.65; color: var(--si-fog);
}
.oa-si .si-hero-cue {
  display: inline-flex; flex-direction: column; align-items: center; gap: 14px;
  margin-top: clamp(40px, 6vh, 80px);
  font-family: var(--si-accent-font);
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--si-fog-2);
}
.oa-si .si-hero-cue-line { width: 1px; height: 54px; background: linear-gradient(var(--si-accent), transparent); animation: siCue 2.4s var(--si-ease) infinite; transform-origin: top; }
@keyframes siCue { 0%, 100% { transform: scaleY(0.4); opacity: 0.5; } 50% { transform: scaleY(1); opacity: 1; } }

/* ---- Hero title: two-step word-by-word reveal (line 1 in → fades out → line 2 in) ----
   The two lines overlap in ONE grid cell so line 2 replaces line 1 in the same
   place. Clearing is an opacity fade of the whole line (not a translate-clip) so
   it stays clean even when a line wraps to several rows. No-JS (no .si-ready)
   falls back to both lines shown, stacked. */
.oa-si .si-hero-title { font-family: var(--si-display); }
.oa-si .si-hero-title .si-word { display: inline-block; }
.oa-si.si-ready .si-hero-title { display: grid; justify-items: center; align-items: center; }
.oa-si.si-ready .si-hero-title .si-line { grid-area: 1 / 1; align-self: center; }
.oa-si.si-ready .si-hero-title .si-word {
  opacity: 0;
  transform: translateY(0.5em);
  transition: opacity 0.6s var(--si-ease), transform 0.6s var(--si-ease);
}
.oa-si.si-ready .si-hero-title .si-word.is-in { opacity: 1; transform: none; }
.oa-si.si-ready .si-hero-title .si-line.is-out { opacity: 0; transition: opacity 0.55s var(--si-ease); }

/* =========================================================================
   THE CONSTELLATION — pinned, scroll lights up the system
   ========================================================================= */
.oa-si .si-constellation {
  position: relative;
  height: calc(180vh + var(--si-count) * 78vh);   /* scroll budget = 1 step per system + intro/outro */
  background:
    radial-gradient(circle at 50% 40%, rgba(15, 20, 38, 0.9), var(--si-night) 70%);
}
.oa-si .si-cstage {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: clamp(78px, 12vh, 120px) var(--si-gut) clamp(28px, 5vh, 56px);
  isolation: isolate;
}

.oa-si .si-cstage-head { text-align: center; max-width: 720px; margin: 0 auto; min-height: 64px; }
.oa-si .si-cstage-head .si-eyebrow { justify-content: center; }
.oa-si .si-cstage-caption { margin: 12px 0 0; font-size: 0.96rem; color: var(--si-fog-2); transition: opacity 0.4s var(--si-ease); }

/* the square positioning field for the map */
.oa-si .si-map {
  position: relative;
  width: min(64vh, 92vw);
  aspect-ratio: 1 / 1;
  margin: auto;
  --si-r: 39%;     /* satellite ring radius, as % of the map half-size */
}
.oa-si .si-wires { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; z-index: 1; pointer-events: none; }
.oa-si .si-wire {
  fill: none;
  stroke: rgba(255, 201, 1, 0.55);
  stroke-width: 1.6;
  stroke-linecap: round;
}
.oa-si .si-wire-pulse {
  fill: none;
  stroke: var(--si-cyan);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-dasharray: 4 220;
  filter: drop-shadow(0 0 4px rgba(40, 210, 194, 0.8));
  opacity: 0;
}

/* nodes */
.oa-si .si-node {
  position: absolute;
  top: 50%; left: 50%;
  z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  text-align: center;
}
.oa-si .si-node-glyph {
  display: grid; place-items: center;
  width: 58px; height: 58px; border-radius: 50%;
  background: rgba(12, 17, 32, 0.9);
  border: 1px solid rgba(238, 241, 246, 0.16);
  color: var(--si-fog);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  transition: border-color 0.5s var(--si-ease), color 0.5s var(--si-ease), box-shadow 0.5s var(--si-ease), transform 0.5s var(--si-ease);
}
.oa-si .si-node-glyph svg { width: 24px; height: 24px; }
.oa-si .si-node-label {
  font-family: var(--si-accent-font); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.04em; color: var(--si-fog); white-space: nowrap;
}
.oa-si .si-node-sub { font-size: 0.64rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--si-fog-3); }

/* core node — the website, centred */
.oa-si .si-node--core { transform: translate(-50%, -50%); z-index: 3; }
.oa-si .si-node--core .si-node-glyph {
  width: 96px; height: 96px;
  background: radial-gradient(circle at 50% 35%, #1b243f, #0c1120);
  border-color: rgba(255, 201, 1, 0.6);
  color: #fff;
}
.oa-si .si-node--core .si-node-glyph svg { width: 40px; height: 40px; }
.oa-si .si-node--core .si-node-label { font-size: 0.92rem; color: #fff; }
.oa-si .si-node-ring {
  position: absolute; top: 0; left: 50%; transform: translate(-50%, -28%);
  width: 96px; height: 96px; border-radius: 50%;
  border: 1px solid rgba(255, 201, 1, 0.4);
  box-shadow: 0 0 36px 6px rgba(255, 201, 1, 0.18);
  animation: siCorePulse 3.4s ease-in-out infinite;
}
@keyframes siCorePulse {
  0%, 100% { transform: translate(-50%, -28%) scale(1); opacity: 0.7; }
  50% { transform: translate(-50%, -28%) scale(1.28); opacity: 0; }
}

/* satellite placement on the ring via --ang (deg from 12 o'clock, clockwise) */
.oa-si .si-node--sat {
  transform:
    translate(-50%, -50%)
    rotate(calc(var(--ang) * 1deg))
    translateY(calc(var(--si-r) * -1))
    rotate(calc(var(--ang) * -1deg));
}
/* the satellite ring radius needs an absolute length for translateY; derive it
   from the map size via a custom property set per breakpoint */
.oa-si .si-map { --si-r: min(25vh, 36vw); }

.oa-si .si-node--sat .si-node-glyph:hover { transform: translateY(-3px); }

/* "lit" state: satellites become accented + wires solid */
.oa-si .si-node--sat.is-lit .si-node-glyph {
  border-color: var(--si-accent);
  color: #fff;
  box-shadow: 0 0 26px 2px rgba(255, 201, 1, 0.32);
}
.oa-si .si-node--sat.is-lit .si-node-label { color: #fff; }

/* armed state (JS + GSAP present): satellites + wires start hidden, lit on scroll */
.oa-si.si-ready[data-si] .si-node--sat { opacity: 0; transform-origin: center; }
.oa-si.si-ready[data-si] .si-node--sat { /* keep ring transform, add scale via translate compose below */ }
.oa-si.si-ready[data-si] .si-node--sat {
  transform:
    translate(-50%, -50%)
    rotate(calc(var(--ang) * 1deg))
    translateY(calc(var(--si-r) * -0.62))     /* start nearer the core */
    rotate(calc(var(--ang) * -1deg))
    scale(0.6);
  transition: transform 0.7s var(--si-ease), opacity 0.7s var(--si-ease);
}
.oa-si.si-ready[data-si] .si-node--sat.is-lit {
  opacity: 1;
  transform:
    translate(-50%, -50%)
    rotate(calc(var(--ang) * 1deg))
    translateY(calc(var(--si-r) * -1))
    rotate(calc(var(--ang) * -1deg))
    scale(1);
}
.oa-si.si-ready[data-si] .si-wire { stroke-dasharray: var(--len); stroke-dashoffset: var(--len); transition: stroke-dashoffset 0.7s var(--si-ease); }
.oa-si.si-ready[data-si] .si-wire.is-drawn { stroke-dashoffset: 0; }

/* live read-out */
.oa-si .si-readout {
  position: absolute; left: var(--si-gut); bottom: clamp(72px, 12vh, 120px);
  z-index: 4; display: flex; align-items: center; gap: 18px;
  max-width: min(420px, 70vw);
  opacity: 0; transform: translateY(12px); transition: opacity 0.5s var(--si-ease), transform 0.5s var(--si-ease);
}
.oa-si .si-readout.is-on { opacity: 1; transform: none; }
.oa-si .si-readout-num { font-family: var(--si-display); font-size: clamp(2.4rem, 5vw, 4rem); line-height: 0.8; color: var(--si-accent); }
.oa-si .si-readout-name { display: block; font-family: var(--si-accent-font); font-size: 1rem; letter-spacing: 0.02em; color: #fff; }
.oa-si .si-readout-desc { display: block; font-size: 0.9rem; line-height: 1.45; color: var(--si-fog-2); margin-top: 4px; }

.oa-si .si-cstage-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  font-family: var(--si-accent-font); font-size: 0.66rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--si-fog-3);
}
.oa-si .si-progress { flex: 1; max-width: 320px; height: 2px; background: rgba(238, 241, 246, 0.12); border-radius: 2px; overflow: hidden; }
.oa-si .si-progress-bar { display: block; height: 100%; width: 0%; background: var(--si-accent); }

/* the outro line, sits after the sticky stage inside the tall section */
.oa-si .si-cstage-outro {
  position: relative; z-index: 1;
  text-align: center; max-width: 880px;
  margin: 0 auto; padding: clamp(8vh, 16vh, 22vh) var(--si-gut) clamp(10vh, 18vh, 24vh);
}
.oa-si .si-cstage-outro .si-display { font-size: clamp(2.4rem, 6.4vw, 6rem); color: #fff; }
.oa-si .si-cstage-outro p { margin: 22px auto 0; max-width: 52ch; font-size: clamp(1rem, 1.4vw, 1.2rem); color: var(--si-fog); line-height: 1.6; }

/* =========================================================================
   SILOS vs CONNECTED — light contrast panel
   ========================================================================= */
.oa-si .si-contrast { background: var(--si-paper); color: var(--si-ink); padding: clamp(12vh, 18vh, 22vh) var(--si-gut); }
.oa-si .si-contrast-inner { max-width: 1240px; margin: 0 auto; }
.oa-si .si-contrast .si-eyebrow { color: var(--si-ink-soft); }
.oa-si .si-contrast-head { max-width: 820px; margin-bottom: clamp(38px, 6vw, 72px); }
.oa-si .si-contrast-head .si-h2 { margin-top: 18px; color: var(--si-ink); }
.oa-si .si-contrast-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 3vw, 40px); }
.oa-si .si-col { border-radius: 20px; padding: clamp(26px, 3vw, 44px); border: 1px solid var(--si-line-ink); }
.oa-si .si-col-tag {
  display: inline-block; font-family: var(--si-accent-font); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 22px;
}
.oa-si .si-col ul { list-style: none; margin: 0; padding: 0; }
.oa-si .si-col li { position: relative; padding: 14px 0 14px 34px; border-top: 1px solid var(--si-line-ink); font-size: 1.02rem; line-height: 1.45; }
.oa-si .si-col li:first-child { border-top: 0; }
.oa-si .si-col li::before { position: absolute; left: 0; top: 13px; font-family: var(--si-accent-font); font-weight: 700; }
.oa-si .si-col--bad { background: #fff; }
.oa-si .si-col--bad .si-col-tag { color: var(--si-bad); }
.oa-si .si-col--bad li { color: var(--si-ink-soft); }
.oa-si .si-col--bad li::before { content: "✕"; color: var(--si-bad); }
.oa-si .si-col--good { background: var(--si-ink); color: #fff; border-color: transparent; }
.oa-si .si-col--good .si-col-tag { color: var(--si-accent); }
.oa-si .si-col--good li { border-top-color: rgba(255, 255, 255, 0.12); }
.oa-si .si-col--good li::before { content: "→"; color: var(--si-accent); }

/* =========================================================================
   LES SYSTÈMES — light editorial list
   ========================================================================= */
.oa-si .si-systems { background: var(--si-paper); color: var(--si-ink); padding: clamp(8vh, 14vh, 18vh) var(--si-gut) clamp(12vh, 18vh, 22vh); }
.oa-si .si-systems-inner { max-width: 1240px; margin: 0 auto; }
.oa-si .si-systems .si-section-label { color: var(--si-ink-soft); margin-bottom: clamp(26px, 4vw, 52px); }
.oa-si .si-list { list-style: none; margin: 0; padding: 0; }
.oa-si .si-list-row { border-top: 1px solid var(--si-line-ink); }
.oa-si .si-list-row:last-child { border-bottom: 1px solid var(--si-line-ink); }
.oa-si .si-list-row a {
  display: grid;
  grid-template-columns: 2.6rem 6.5rem minmax(0, 1fr) minmax(0, 1.1fr) 2rem;
  align-items: center;
  gap: clamp(14px, 2.6vw, 44px);
  padding: clamp(20px, 2.8vw, 36px) 0;
  transition: padding-left 0.5s var(--si-ease);
}
.oa-si .si-list-row a:hover { padding-left: 16px; }
.oa-si .si-list-num { font-family: var(--si-accent-font); font-size: 0.8rem; font-weight: 600; color: var(--si-ink-faint); transition: color 0.4s var(--si-ease); }
.oa-si .si-list-row a:hover .si-list-num { color: var(--si-accent); }
.oa-si .si-list-verb { font-family: var(--si-accent-font); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--si-ink-faint); }
.oa-si .si-list-title { font-family: var(--si-body); font-weight: 600; font-size: clamp(1.3rem, 2.4vw, 2.1rem); line-height: 1.05; letter-spacing: -0.015em; }
.oa-si .si-list-desc { font-size: 0.95rem; line-height: 1.45; color: var(--si-ink-soft); }
.oa-si .si-list-arrow { justify-self: end; font-size: 1.2rem; color: var(--si-ink-faint); transform: translateX(-8px); opacity: 0; transition: transform 0.5s var(--si-ease), opacity 0.5s var(--si-ease), color 0.4s var(--si-ease); }
.oa-si .si-list-row a:hover .si-list-arrow { transform: none; opacity: 1; color: var(--si-ink); }

/* =========================================================================
   MÉTHODE — connected flow, dark
   ========================================================================= */
.oa-si .si-method { background: var(--si-night-2); padding: clamp(12vh, 18vh, 22vh) var(--si-gut); }
.oa-si .si-method-inner { max-width: 1240px; margin: 0 auto; }
.oa-si .si-method-head { max-width: 820px; margin-bottom: clamp(40px, 6vw, 80px); }
.oa-si .si-method-head .si-h2 { margin-top: 18px; color: #fff; }
.oa-si .si-flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: clamp(16px, 2vw, 28px); position: relative; }
.oa-si .si-flow::before { content: ""; position: absolute; top: 7px; left: 8%; right: 8%; height: 1px; background: repeating-linear-gradient(90deg, rgba(255,201,1,.5) 0 8px, transparent 8px 18px); }
.oa-si .si-flow-step a { display: block; position: relative; padding-top: 30px; }
.oa-si .si-flow-dot { position: absolute; top: 0; left: 0; width: 14px; height: 14px; border-radius: 50%; background: var(--si-night-2); border: 2px solid var(--si-accent); box-shadow: 0 0 0 4px rgba(255, 201, 1, 0.12); transition: background 0.4s var(--si-ease); }
.oa-si .si-flow-step a:hover .si-flow-dot { background: var(--si-accent); }
.oa-si .si-flow-num { display: block; font-family: var(--si-accent-font); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.1em; color: var(--si-accent); }
.oa-si .si-flow-name { display: block; font-family: var(--si-display); font-size: clamp(1.4rem, 2vw, 1.9rem); line-height: 1; letter-spacing: -0.01em; color: #fff; margin: 12px 0 10px; }
.oa-si .si-flow-desc { display: block; font-size: 0.92rem; line-height: 1.5; color: var(--si-fog-2); }

/* =========================================================================
   CLOSING — dark, kinetic
   ========================================================================= */
.oa-si .si-closing { position: relative; overflow: hidden; background: var(--si-night); padding: clamp(18vh, 26vh, 32vh) var(--si-gut) clamp(14vh, 20vh, 24vh); }
.oa-si .si-closing-bloom {
  position: absolute; inset: -20%;
  background:
    radial-gradient(circle at 22% 26%, rgba(255, 201, 1, 0.16), transparent 32%),
    radial-gradient(circle at 80% 72%, rgba(40, 210, 194, 0.12), transparent 34%);
  mix-blend-mode: screen;
}
.oa-si .si-closing-inner { position: relative; z-index: 1; max-width: 1240px; margin: 0 auto; }
.oa-si .si-closing-title { color: #fff; font-size: clamp(2.4rem, 6.6vw, 6.6rem); margin-top: clamp(22px, 3vw, 40px); }
.oa-si .si-closing-lead { margin: clamp(26px, 3vw, 40px) 0 0; max-width: 56ch; font-size: clamp(1rem, 1.4vw, 1.2rem); line-height: 1.65; color: var(--si-fog); }
.oa-si .si-closing-actions { display: flex; align-items: center; gap: clamp(18px, 3vw, 36px); flex-wrap: wrap; margin-top: clamp(32px, 5vw, 56px); }
.oa-si .si-btn { display: inline-flex; align-items: center; gap: 12px; background: var(--si-accent); color: var(--si-ink); font-weight: 700; font-size: 0.95rem; padding: 17px 28px; border-radius: 100px; transition: transform 0.4s var(--si-ease); }
.oa-si .si-btn:hover { transform: translateY(-2px); }
.oa-si .si-btn:hover span { transform: translateX(5px); }
.oa-si .si-link { font-weight: 600; font-size: 0.92rem; color: var(--si-fog); border-bottom: 1px solid rgba(238, 241, 246, 0.28); padding-bottom: 3px; transition: border-color 0.4s var(--si-ease), color 0.4s var(--si-ease); }
.oa-si .si-link:hover { color: #fff; border-color: #fff; }
.oa-si .si-signature { margin: clamp(40px, 6vw, 80px) 0 0; font-size: 0.8rem; letter-spacing: 0.04em; color: var(--si-fog-3); }

/* =========================================================================
   FALLBACK — no GSAP / reduced motion: collapse the pinned constellation into
   a static, fully-lit diagram and stack everything.
   ========================================================================= */
.oa-si.si-nogsap .si-constellation { height: auto; }
.oa-si.si-nogsap .si-cstage { position: relative; height: auto; min-height: 92vh; }
.oa-si.si-nogsap .si-node--sat,
.oa-si .si-node--sat { /* default (no si-ready) shows lit */ }
.oa-si:not(.si-ready) .si-node--sat,
.oa-si.si-nogsap .si-node--sat { opacity: 1; }
.oa-si:not(.si-ready) .si-wire,
.oa-si.si-nogsap .si-wire { stroke-dashoffset: 0 !important; }
.oa-si:not(.si-ready) .si-node--sat.is-lit,
.oa-si.si-nogsap .si-node--sat { /* keep them on the ring */ }
.oa-si.si-nogsap .si-readout { display: none; }
.oa-si.si-nogsap .si-cstage-foot { display: none; }

@media (prefers-reduced-motion: reduce) {
  .oa-si.si-ready [data-reveal],
  .oa-si.si-ready .si-kinetic .si-word,
  .oa-si.si-ready .si-closing-title .si-word { opacity: 1; transform: none; transition: none; }
  .oa-si .si-constellation { height: auto; }
  .oa-si .si-cstage { position: relative; height: auto; min-height: 90vh; }
  .oa-si .si-node--sat { opacity: 1 !important; }
  .oa-si .si-wire { stroke-dashoffset: 0 !important; }
  .oa-si .si-hero-bloom, .oa-si .si-spark, .oa-si .si-node-ring, .oa-si .si-hero-cue-line { animation: none; }
  .oa-si .si-readout { display: none; }
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 1024px) {
  .oa-si .si-flow { grid-template-columns: repeat(2, 1fr); gap: 32px 28px; }
  .oa-si .si-flow::before { display: none; }
  .oa-si .si-list-row a { grid-template-columns: 2.2rem 5rem minmax(0, 1fr) 1.4rem; }
  .oa-si .si-list-desc { grid-column: 3; font-size: 0.9rem; color: var(--si-ink-faint); }
}

@media (max-width: 820px) {
  .oa-si .si-map { width: min(78vw, 64vh); --si-r: min(30vw, 24vh); }
  .oa-si .si-node-glyph { width: 48px; height: 48px; }
  .oa-si .si-node-glyph svg { width: 20px; height: 20px; }
  .oa-si .si-node--core .si-node-glyph { width: 76px; height: 76px; }
  .oa-si .si-node-ring { width: 76px; height: 76px; }
  .oa-si .si-readout { left: 50%; transform: translateX(-50%); right: auto; max-width: 86vw; text-align: left; }
  .oa-si .si-readout.is-on { transform: translateX(-50%); }
  .oa-si .si-contrast-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .oa-si .si-nav-cta { display: none; }
  .oa-si .si-hero .si-display { font-size: clamp(2.3rem, 12vw, 4.2rem); }
  .oa-si .si-flow { grid-template-columns: 1fr; }
  .oa-si .si-list-row a { grid-template-columns: 2rem 1fr; gap: 6px 14px; }
  .oa-si .si-list-verb { grid-column: 2; }
  .oa-si .si-list-title { grid-column: 1 / -1; }
  .oa-si .si-list-desc { grid-column: 1 / -1; }
  .oa-si .si-list-arrow { display: none; }
}