/* ============================================
   FORMATIONS.CSS — Catalogue des formations
   ============================================ */

main {
  --catalog-surface: #f8f7f3;
  --catalog-blue: #1f2f63;
  --catalog-gold: #e9b54d;
  background: var(--catalog-surface);
  overflow: hidden;
}

.catalog-hero__proofs,
.catalog-guide__panel ul,
.catalog-course__outcomes,
.catalog-invariants__grid,
.catalog-final__card > ul,
.catalog-mini-network ul { list-style: none; }

.catalog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-or-sombre);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.catalog-eyebrow::before {
  content: '';
  width: 1.75rem;
  height: 1px;
  background: var(--color-or);
}

/* ---------- Hero ---------- */
.catalog-hero {
  position: relative;
  min-height: min(900px, 92svh);
  display: grid;
  align-items: center;
  padding: calc(74px + 4rem) 0 8.5rem;
  background:
    radial-gradient(circle at 8% 24%, rgba(233, 181, 77, 0.16), transparent 23%),
    radial-gradient(circle at 88% 72%, rgba(61, 85, 168, 0.14), transparent 28%),
    linear-gradient(135deg, #fbfaf7, #f1f4fa 60%, #f8f7f3);
  isolation: isolate;
}

.catalog-hero__grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(rgba(31, 47, 99, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 47, 99, 0.03) 1px, transparent 1px);
  background-size: 90px 90px;
  mask-image: radial-gradient(ellipse at 68% 48%, #000 0%, transparent 72%);
}

.catalog-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(420px, 0.94fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
}

.catalog-hero__copy { position: relative; z-index: 2; }

.catalog-hero h1 {
  max-width: 760px;
  margin: 1.3rem 0 1.4rem;
  color: var(--color-bleu);
  font-size: clamp(3rem, 5.7vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
}

.catalog-hero__copy > p {
  max-width: 650px;
  color: var(--color-texte-doux);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.72;
}

.catalog-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.3rem;
  margin-top: 2rem;
}

.catalog-text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--color-bleu);
  font-size: 0.88rem;
  font-weight: 700;
}

.catalog-text-link span { transition: translate var(--transition); }
.catalog-text-link:hover span { translate: 5px 0; }

.catalog-hero__proofs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 610px;
  margin-top: 2.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(31, 47, 99, 0.12);
}

.catalog-hero__proofs li {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  padding-right: 1rem;
}

.catalog-hero__proofs li + li {
  padding-left: 1.2rem;
  border-left: 1px solid rgba(31, 47, 99, 0.10);
}

.catalog-hero__proofs strong {
  color: var(--color-bleu);
  font-family: var(--font-titre);
  font-size: 1.25rem;
  line-height: 1.2;
}

.catalog-hero__proofs span {
  color: var(--color-texte-tres-doux);
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.catalog-hero__visual {
  position: relative;
  justify-self: end;
  width: min(100%, 500px);
  aspect-ratio: 1;
  border: 1px solid rgba(31, 47, 99, 0.10);
  border-radius: 42% 58% 46% 54% / 52% 42% 58% 48%;
  background:
    radial-gradient(circle at center, rgba(233, 181, 77, 0.18), transparent 24%),
    linear-gradient(145deg, #263a78, #172650);
  box-shadow: 0 42px 100px rgba(31, 47, 99, 0.22);
  isolation: isolate;
  animation: catalog-blob 9s ease-in-out infinite;
}

.catalog-hero__visual::before {
  content: '';
  position: absolute;
  inset: 8%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: inherit;
}

.catalog-role-orbit {
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(233, 181, 77, 0.24);
  border-radius: 50%;
  translate: -50% -50%;
}

.catalog-role-orbit--outer { width: 76%; aspect-ratio: 1; animation: catalog-orbit 28s linear infinite; }
.catalog-role-orbit--inner { width: 46%; aspect-ratio: 1; border-style: dashed; animation: catalog-orbit 18s linear infinite reverse; }

.catalog-role {
  position: absolute;
  z-index: 2;
  min-width: 112px;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.10);
  color: #fff;
  box-shadow: 0 18px 34px rgba(8, 16, 43, 0.22);
  backdrop-filter: blur(10px);
  animation: catalog-role-float 5s ease-in-out infinite;
}

.catalog-role small { display: block; color: var(--color-or-clair); font-size: 0.54rem; letter-spacing: 0.1em; }
.catalog-role strong { font-family: var(--font-titre); font-size: 0.9rem; }
.catalog-role--1 { left: 8%; top: 17%; }
.catalog-role--2 { right: 4%; top: 26%; animation-delay: -1.2s; }
.catalog-role--3 { left: 5%; bottom: 20%; animation-delay: -2.4s; }
.catalog-role--4 { right: 7%; bottom: 12%; animation-delay: -3.6s; }

.catalog-role-center {
  position: absolute;
  z-index: 3;
  left: 50%;
  top: 50%;
  width: 152px;
  aspect-ratio: 1;
  display: grid;
  place-content: center;
  translate: -50% -50%;
  border: 1px solid rgba(233, 181, 77, 0.48);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 0 12px rgba(255, 255, 255, 0.025), 0 22px 50px rgba(8, 16, 43, 0.25);
  color: #fff;
  text-align: center;
}

.catalog-role-center span { color: var(--color-or-clair); font-size: 0.58rem; letter-spacing: 0.1em; text-transform: uppercase; }
.catalog-role-center strong { display: block; max-width: 100px; margin: 0.25rem auto 0; font-family: var(--font-titre); font-size: 1.15rem; line-height: 1.08; }

.catalog-hero__wave {
  position: absolute;
  left: -5%;
  right: -5%;
  bottom: -1px;
  height: 74px;
  border-radius: 50% 50% 0 0 / 48% 48% 0 0;
  background: var(--catalog-surface);
}

/* ---------- Headings ---------- */
.catalog-section-heading {
  max-width: 760px;
  margin: 0 auto 3rem;
  text-align: center;
}

.catalog-section-heading--left { margin-left: 0; text-align: left; }
.catalog-section-heading h2,
.catalog-invariants__heading h2,
.catalog-final h2 {
  margin: 0.65rem 0 0.8rem;
  color: var(--color-bleu);
  font-size: clamp(2.25rem, 4vw, 3.8rem);
  line-height: 1.03;
}
.catalog-section-heading p { margin: 0 auto; color: var(--color-texte-doux); }
.catalog-section-heading--left p { margin-left: 0; }

/* ---------- Orientation guide ---------- */
.catalog-guide-section { position: relative; padding: 6.5rem 0 8rem; }

.catalog-guide {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
  max-width: 1050px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(31, 47, 99, 0.10);
  border-radius: 30px 12px 54px 12px;
  background: #fff;
  box-shadow: 0 30px 80px rgba(31, 47, 99, 0.10);
}

.catalog-guide__tabs {
  display: grid;
  grid-template-rows: repeat(4, 1fr);
  padding: 1rem;
  background: #f0f3fa;
}

.catalog-guide__tab {
  position: relative;
  display: grid;
  grid-template-columns: 2rem 1fr;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  border: 0;
  border-bottom: 1px solid rgba(31, 47, 99, 0.09);
  background: transparent;
  color: var(--color-texte-doux);
  text-align: left;
  font-family: var(--font-titre);
  font-size: 0.94rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), translate var(--transition);
}

.catalog-guide__tab span { color: var(--color-or-sombre); font-family: var(--font-corps); font-size: 0.58rem; letter-spacing: 0.08em; }
.catalog-guide__tab:hover { color: var(--color-bleu); translate: 4px 0; }
.catalog-guide__tab.is-active { border-radius: 14px; background: #fff; color: var(--color-bleu); box-shadow: 0 10px 28px rgba(31, 47, 99, 0.08); }
.catalog-guide__tab:focus-visible { outline: 3px solid rgba(233, 181, 77, 0.55); outline-offset: -3px; }

.catalog-guide__results { min-width: 0; background: var(--color-bleu); }

.catalog-guide__panel {
  position: relative;
  min-height: 390px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-content: center;
  align-items: end;
  gap: 1.8rem;
  padding: clamp(2rem, 5vw, 4rem);
  overflow: hidden;
  color: rgba(255, 255, 255, 0.76);
  background:
    radial-gradient(circle at 82% 18%, rgba(233, 181, 77, 0.18), transparent 28%),
    linear-gradient(145deg, #293f81, #1f2f63 66%);
}

.catalog-guide__panel[hidden] { display: none; }
.catalog-guide__panel.is-entering { animation: catalog-panel-in 440ms cubic-bezier(0.22, 1, 0.36, 1) both; }
.catalog-guide__panel::before { content: ''; position: absolute; inset: 16% -10% -30% 26%; border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 50%; }
.catalog-guide__panel > * { position: relative; z-index: 1; }
.catalog-guide__index { position: absolute; right: 2rem; top: 1.3rem; color: rgba(255, 255, 255, 0.12); font-family: var(--font-titre); font-size: clamp(4rem, 10vw, 8rem); line-height: 1; }
.catalog-guide__panel .surtitre { color: var(--color-or-clair); }
.catalog-guide__panel h3 { margin: 0.45rem 0 0.8rem; color: #fff; font-size: clamp(2rem, 4vw, 3.2rem); }
.catalog-guide__panel p { max-width: 540px; }
.catalog-guide__panel ul { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 1.2rem; }
.catalog-guide__panel li { padding: 0.35rem 0.65rem; border: 1px solid rgba(255, 255, 255, 0.14); border-radius: 99px; color: rgba(255, 255, 255, 0.72); font-size: 0.64rem; font-weight: 600; }

/* ---------- Course editorial cards ---------- */
.catalog-courses { padding: 7rem 0 10rem; background: linear-gradient(180deg, var(--catalog-surface), #fff 18%, #fff 82%, var(--catalog-surface)); }
.catalog-courses__list { display: grid; gap: 5rem; }

.catalog-course {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(420px, 1.02fr);
  align-items: stretch;
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(1.5rem, 3.5vw, 3.2rem);
  border: 1px solid rgba(31, 47, 99, 0.10);
  border-radius: 40px 12px 70px 12px;
  background: #fff;
  box-shadow: 0 28px 80px rgba(31, 47, 99, 0.09);
  scroll-margin-top: 110px;
}

.catalog-course:nth-child(even) { grid-template-columns: minmax(420px, 1.02fr) minmax(0, 0.98fr); border-radius: 12px 54px 12px 70px; }
.catalog-course:nth-child(even) .catalog-course__copy { order: 2; }
.catalog-course:nth-child(even) .catalog-course__visual-wrap { order: 1; }

.catalog-course__copy { position: relative; align-self: center; padding: 1rem 0; }
.catalog-course__number { position: absolute; right: 0; top: -1rem; color: rgba(31, 47, 99, 0.06); font-family: var(--font-titre); font-size: clamp(5rem, 10vw, 8rem); line-height: 1; }
.catalog-course__copy > .surtitre { position: relative; }
.catalog-course h2 { position: relative; max-width: 620px; margin: 0.65rem 0 1rem; color: var(--color-bleu); font-size: clamp(2.1rem, 3.6vw, 3.5rem); line-height: 1.03; }
.catalog-course__promise { position: relative; max-width: 590px; color: var(--color-texte-doux); font-size: 1.02rem; }

.catalog-course__outcomes { margin: 1.5rem 0; border-top: 1px solid rgba(31, 47, 99, 0.10); }
.catalog-course__outcomes li { position: relative; padding: 0.68rem 0 0.68rem 1.35rem; border-bottom: 1px solid rgba(31, 47, 99, 0.10); color: var(--color-bleu); font-size: 0.78rem; font-weight: 650; }
.catalog-course__outcomes li::before { content: '✓'; position: absolute; left: 0; color: var(--color-or-sombre); font-weight: 800; }

.catalog-course__meta { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 1.7rem; }
.catalog-course__meta span { display: flex; flex-direction: column; gap: 0.12rem; }
.catalog-course__meta span + span { padding-left: 1rem; border-left: 1px solid rgba(31, 47, 99, 0.11); }
.catalog-course__meta small { color: var(--color-texte-tres-doux); font-size: 0.57rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.catalog-course__meta strong { color: var(--color-bleu); font-size: 0.72rem; }

.catalog-course__visual-wrap { position: relative; min-height: 510px; }
.catalog-course__visual-label { position: absolute; z-index: 3; left: 1.4rem; top: 1.2rem; padding: 0.38rem 0.7rem; border-radius: 99px; background: #fff; color: var(--color-bleu); box-shadow: 0 8px 24px rgba(31, 47, 99, 0.12); font-size: 0.58rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }

.catalog-visual {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 16px 66px 16px 66px;
  background:
    radial-gradient(circle at 20% 20%, rgba(233, 181, 77, 0.15), transparent 28%),
    linear-gradient(145deg, #293f81, #1f2f63 68%);
  color: #fff;
  isolation: isolate;
}

.catalog-course:nth-child(even) .catalog-visual { border-radius: 66px 16px 66px 16px; }
.catalog-visual::before { content: ''; position: absolute; inset: 0; background: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 66px 66px; mask-image: radial-gradient(circle at center, #000, transparent 78%); }
.catalog-visual__top { position: absolute; z-index: 3; left: 1.5rem; right: 1.5rem; top: 1.4rem; display: flex; justify-content: flex-end; color: rgba(255, 255, 255, 0.48); font-size: 0.58rem; letter-spacing: 0.1em; text-transform: uppercase; }
.catalog-visual__top > span { display: none; }
.catalog-visual__top strong { color: var(--color-or-clair); }
.catalog-visual > p { position: absolute; z-index: 3; left: 1.5rem; right: 1.5rem; bottom: 1.3rem; display: flex; justify-content: space-between; color: rgba(255, 255, 255, 0.46); font-size: 0.58rem; letter-spacing: 0.08em; text-transform: uppercase; }
.catalog-visual > p strong { color: var(--color-or-clair); }

/* Visual 01 */
.catalog-mini-roadmap { position: absolute; inset: 18% 12% 15%; display: grid; grid-template-columns: 1fr 1fr; align-content: space-around; gap: 1rem 4rem; }
.catalog-mini-roadmap > i { position: absolute; left: 50%; top: 8%; bottom: 8%; width: 2px; translate: -50% 0; background: linear-gradient(var(--color-or-clair), rgba(233,181,77,.18)); transform-origin: top; }
.catalog-mini-roadmap > i::after { content: ''; position: absolute; left: 50%; top: 52%; width: 14px; height: 14px; translate: -50% -50%; border: 3px solid var(--color-bleu); border-radius: 50%; background: var(--color-or-clair); box-shadow: 0 0 20px rgba(233,181,77,.68); }
.catalog-mini-roadmap span { position: relative; min-height: 76px; display: grid; grid-template-columns: 1.6rem 1fr; align-items: center; padding: 0.8rem; border: 1px solid rgba(255,255,255,.15); border-radius: 14px; background: rgba(255,255,255,.07); }
.catalog-mini-roadmap span:nth-of-type(even) { translate: 0 1.5rem; }
.catalog-mini-roadmap small { color: var(--color-or-clair); font-size: .56rem; }
.catalog-mini-roadmap strong { font-family: var(--font-titre); font-size: .88rem; }

/* Visual 02 */
.catalog-mini-dashboard { position: absolute; inset: 18% 10% 16%; display: grid; grid-template-rows: repeat(4, 1fr); gap: .7rem; }
.catalog-mini-dashboard > span { display: grid; grid-template-columns: 1fr 42%; align-items: center; gap: 1rem; padding: .75rem 1rem; border: 1px solid rgba(255,255,255,.14); border-radius: 14px; background: rgba(255,255,255,.07); }
.catalog-mini-dashboard small { color: #fff; font-family: var(--font-titre); font-size: .76rem; }
.catalog-mini-dashboard i { position: relative; height: 4px; overflow: hidden; border-radius: 99px; background: rgba(255,255,255,.12); }
.catalog-mini-dashboard i::after { content: ''; position: absolute; inset: 0; border-radius: inherit; background: var(--color-or-clair); transform-origin: left; }
.catalog-mini-dashboard span:nth-child(1) i::after { scale: .95 1; }
.catalog-mini-dashboard span:nth-child(2) i::after { scale: .78 1; }
.catalog-mini-dashboard span:nth-child(3) i::after { scale: .62 1; }
.catalog-mini-dashboard span:nth-child(4) i::after { scale: .44 1; }

/* Visual 03 */
.catalog-visual--lesson { background: linear-gradient(145deg, #e8edf6, #f9f7f1); color: var(--color-bleu); }
.catalog-visual--lesson::before { background: linear-gradient(rgba(31,47,99,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(31,47,99,.035) 1px, transparent 1px); }
.catalog-visual--lesson .catalog-visual__top { color: rgba(31,47,99,.42); }
.catalog-visual--lesson .catalog-visual__top strong,
.catalog-visual--lesson > p strong { color: var(--color-or-sombre); }
.catalog-visual--lesson > p { color: rgba(31,47,99,.42); }
.catalog-mini-sheet { position: absolute; border: 1px solid rgba(31,47,99,.11); background: #fff; box-shadow: 0 24px 55px rgba(31,47,99,.12); }
.catalog-mini-sheet--back { inset: 18% 9% 14% 18%; rotate: 5deg; background: #efd28d; }
.catalog-mini-sheet--front { inset: 15% 14% 17% 12%; padding: clamp(1.7rem, 4vw, 3rem); rotate: -2deg; }
.catalog-mini-sheet--front small { display: block; margin-bottom: 1.4rem; color: var(--color-or-sombre); font-size: .58rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.catalog-mini-sheet--front strong { display: block; margin-bottom: 1.6rem; font-family: var(--font-titre); font-size: clamp(1.65rem, 3vw, 2.55rem); line-height: 1.02; }
.catalog-mini-sheet--front i { display: block; width: 86%; height: 1px; margin: .7rem 0; background: rgba(31,47,99,.14); }
.catalog-mini-sheet--front i:nth-of-type(2) { width: 66%; }
.catalog-mini-sheet--front i:nth-of-type(3) { width: 76%; }

/* Visual 04 */
.catalog-mini-network { position: absolute; inset: 18% 10% 15%; display: grid; grid-template-columns: 42% 1fr; align-items: center; gap: 2.5rem; }
.catalog-mini-network > div { position: relative; z-index: 2; aspect-ratio: 1; display: grid; place-content: center; border: 1px solid rgba(233,181,77,.45); border-radius: 50%; background: rgba(255,255,255,.07); box-shadow: inset 0 0 0 10px rgba(255,255,255,.025); text-align: center; }
.catalog-mini-network > div small { color: var(--color-or-clair); font-size: .54rem; letter-spacing: .08em; text-transform: uppercase; }
.catalog-mini-network > div strong { font-family: var(--font-titre); font-size: 1.2rem; }
.catalog-mini-network__line { position: absolute; left: 40%; right: 42%; top: 50%; height: 1px; background: rgba(233,181,77,.5); }
.catalog-mini-network ul { display: grid; gap: .65rem; }
.catalog-mini-network li { position: relative; padding: .65rem .8rem; border: 1px solid rgba(255,255,255,.14); border-radius: 12px; background: rgba(255,255,255,.07); color: #fff; font-family: var(--font-titre); font-size: .78rem; }
.catalog-mini-network li::before { content: ''; position: absolute; right: 100%; top: 50%; width: 2.5rem; height: 1px; background: rgba(233,181,77,.3); }

.catalog-course.visible .catalog-mini-roadmap > i { animation: catalog-grow-y 1.2s .15s cubic-bezier(.22,1,.36,1) both; }
.catalog-course.visible .catalog-mini-dashboard i::after { animation: catalog-grow-x 1s .2s cubic-bezier(.22,1,.36,1) both; }
.catalog-course.visible .catalog-mini-sheet--front { animation: catalog-sheet-in .9s .1s cubic-bezier(.22,1,.36,1) both; }
.catalog-course.visible .catalog-mini-network__line { animation: catalog-grow-x .9s .15s cubic-bezier(.22,1,.36,1) both; transform-origin: left; }

/* ---------- Shared promise ---------- */
.catalog-invariants {
  position: relative;
  padding: 9rem 0 10rem;
  background:
    radial-gradient(circle at 9% 35%, rgba(61,85,168,.42), transparent 30%),
    radial-gradient(circle at 90% 70%, rgba(8,16,43,.35), transparent 34%),
    var(--color-bleu);
  color: #fff;
}

.catalog-invariants::before { content: ''; position: absolute; inset: 0; background: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 110px 110px; mask-image: linear-gradient(90deg, transparent, #000 20% 80%, transparent); }
.catalog-invariants__wave { position: absolute; z-index: 1; left: -5%; right: -5%; height: 74px; background: var(--catalog-surface); }
.catalog-invariants__wave--top { top: -1px; border-radius: 0 0 50% 50% / 0 0 44% 44%; }
.catalog-invariants__wave--bottom { bottom: -1px; border-radius: 50% 50% 0 0 / 44% 44% 0 0; }
.catalog-invariants .conteneur { position: relative; z-index: 2; }
.catalog-invariants__heading { max-width: 780px; margin: 0 auto 3rem; text-align: center; }
.catalog-invariants__heading .surtitre { color: var(--color-or-clair); }
.catalog-invariants__heading h2 { color: #fff; }
.catalog-invariants__heading p { margin: 0 auto; color: rgba(255,255,255,.68); }
.catalog-invariants__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.catalog-invariants__grid article { position: relative; min-height: 260px; padding: 2rem; overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: 24px 10px 36px 10px; background: rgba(255,255,255,.065); box-shadow: 0 20px 50px rgba(8,16,43,.14); backdrop-filter: blur(8px); }
.catalog-invariants__grid article > span { position: absolute; right: 1rem; top: .5rem; color: rgba(255,255,255,.08); font-family: var(--font-titre); font-size: 5rem; line-height: 1; }
.catalog-invariants__grid h3 { position: relative; margin: 4rem 0 .65rem; color: #fff; font-size: 1.45rem; }
.catalog-invariants__grid p { position: relative; color: rgba(255,255,255,.68); font-size: .88rem; }

/* ---------- Final CTA ---------- */
.catalog-final { padding: 7rem 0 8rem; }
.catalog-final__card { position: relative; display: grid; grid-template-columns: minmax(0, 1.25fr) auto; align-items: center; gap: 2rem 4rem; overflow: hidden; padding: clamp(2.2rem, 5vw, 4.5rem); border: 1px solid rgba(31,47,99,.10); border-radius: 44px 12px 64px 12px; background: #fff; box-shadow: 0 30px 80px rgba(31,47,99,.10); }
.catalog-final__card::before { content: ''; position: absolute; right: -12%; top: -70%; width: 48%; aspect-ratio: 1; border: 1px solid rgba(233,181,77,.22); border-radius: 50%; box-shadow: inset 0 0 0 45px rgba(233,181,77,.04); }
.catalog-final__card > * { position: relative; }
.catalog-final h2 { max-width: 720px; font-size: clamp(2.2rem, 4vw, 3.5rem); }
.catalog-final p { max-width: 720px; color: var(--color-texte-doux); }
.catalog-final__actions { display: grid; justify-items: center; gap: 1rem; }
.catalog-final__card > ul { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 1.5rem; padding-top: 1.2rem; border-top: 1px solid rgba(31,47,99,.10); }
.catalog-final__card > ul li { position: relative; padding-left: 1rem; color: var(--color-texte-tres-doux); font-size: .68rem; font-weight: 650; }
.catalog-final__card > ul li::before { content: ''; position: absolute; left: 0; top: .55em; width: 5px; height: 5px; border-radius: 50%; background: var(--color-or); }

/* ---------- Motion ---------- */
@keyframes catalog-blob { 0%,100% { border-radius: 42% 58% 46% 54% / 52% 42% 58% 48%; } 50% { border-radius: 55% 45% 58% 42% / 44% 58% 42% 56%; } }
@keyframes catalog-orbit { to { rotate: 360deg; } }
@keyframes catalog-role-float { 0%,100% { translate: 0 0; } 50% { translate: 0 -8px; } }
@keyframes catalog-panel-in { from { opacity: 0; translate: 18px 0; } to { opacity: 1; translate: 0 0; } }
@keyframes catalog-grow-y { from { scale: 1 0; } to { scale: 1 1; } }
@keyframes catalog-grow-x { from { scale: 0 1; } }
@keyframes catalog-sheet-in { from { opacity: 0; translate: 18px 20px; rotate: -6deg; } to { opacity: 1; translate: 0 0; rotate: -2deg; } }

/* ---------- Responsive ---------- */
@media (max-width: 999px) {
  .catalog-hero { min-height: auto; padding-top: calc(74px + 3.5rem); }
  .catalog-hero__grid { grid-template-columns: 1fr; }
  .catalog-hero__visual { justify-self: center; width: min(78vw, 500px); }
  .catalog-guide { grid-template-columns: 1fr; }
  .catalog-guide__tabs { grid-template-columns: repeat(2, 1fr); grid-template-rows: auto; }
  .catalog-course,
  .catalog-course:nth-child(even) { grid-template-columns: 1fr; }
  .catalog-course:nth-child(even) .catalog-course__copy,
  .catalog-course:nth-child(even) .catalog-course__visual-wrap { order: initial; }
  .catalog-course__visual-wrap { min-height: 480px; }
  .catalog-invariants__grid { grid-template-columns: 1fr; }
  .catalog-invariants__grid article { min-height: 210px; }
  .catalog-final__card { grid-template-columns: 1fr; }
  .catalog-final__actions { justify-items: start; }
}

@media (max-width: 599px) {
  .catalog-hero { padding: calc(74px + 2.5rem) 0 7rem; }
  .catalog-hero__grid { gap: 2.5rem; }
  .catalog-hero h1 { font-size: clamp(2.65rem, 12vw, 3.6rem); }
  .catalog-hero__actions { align-items: flex-start; flex-direction: column; }
  .catalog-hero__proofs { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
  .catalog-hero__proofs li { padding: 0 .35rem 0 0; }
  .catalog-hero__proofs li + li { padding: 0 0 0 .65rem; border-top: 0; border-left: 1px solid rgba(31,47,99,.10); }
  .catalog-hero__proofs strong { font-size: 1.05rem; }
  .catalog-hero__proofs span { font-size: .58rem; line-height: 1.35; }
  .catalog-hero__visual { width: min(80vw, 315px); }
  .catalog-role { min-width: 76px; padding: .5rem .55rem; }
  .catalog-role strong { font-size: .72rem; }
  .catalog-role-center { width: 104px; }
  .catalog-role-center strong { font-size: .94rem; }
  .catalog-guide-section,
  .catalog-courses { padding-top: 5rem; padding-bottom: 6rem; }
  .catalog-section-heading { margin-bottom: 2rem; }
  .catalog-guide { border-radius: 22px 8px 34px 8px; }
  .catalog-guide__tabs { display: flex; overflow-x: auto; padding: .65rem; scrollbar-width: none; }
  .catalog-guide__tabs::-webkit-scrollbar { display: none; }
  .catalog-guide__tab { flex: 0 0 210px; min-height: 62px; padding: .75rem; }
  .catalog-guide__panel { min-height: 410px; grid-template-columns: 1fr; align-items: start; padding: 2rem 1.3rem; }
  .catalog-guide__panel .btn { justify-self: start; }
  .catalog-guide__index { right: 1rem; font-size: 5rem; }
  .catalog-course { gap: 1.6rem; padding: 1.1rem; border-radius: 26px 8px 42px 8px; }
  .catalog-course h2 { font-size: clamp(2rem, 10vw, 2.7rem); }
  .catalog-course__number { top: 0; font-size: 5rem; }
  .catalog-course__meta { gap: .7rem; }
  .catalog-course__meta span + span { padding-left: .6rem; }
  .catalog-course__visual-wrap { min-height: 350px; }
  .catalog-visual,
  .catalog-course:nth-child(even) .catalog-visual { border-radius: 10px 46px 10px 46px; }
  .catalog-mini-roadmap { inset-inline: 8%; gap: .6rem 2.1rem; }
  .catalog-mini-roadmap span { min-height: 58px; padding: .55rem; grid-template-columns: 1.2rem 1fr; }
  .catalog-mini-roadmap strong { font-size: .72rem; }
  .catalog-mini-dashboard { inset-inline: 7%; }
  .catalog-mini-dashboard > span { padding: .55rem .65rem; }
  .catalog-mini-sheet--front { inset: 16% 10% 18% 9%; padding: 1.5rem; }
  .catalog-mini-sheet--front strong { font-size: 1.65rem; }
  .catalog-mini-network { inset-inline: 7%; grid-template-columns: 38% 1fr; gap: 1.4rem; }
  .catalog-mini-network li { padding: .55rem; font-size: .68rem; }
  .catalog-mini-network li::before { width: 1.4rem; }
  .catalog-invariants { padding-block: 7rem 8rem; }
  .catalog-invariants__grid article { min-height: 220px; }
  .catalog-final { padding-block: 5rem; }
  .catalog-final__card { padding: 2rem 1.25rem; border-radius: 28px 8px 42px 8px; }
  .catalog-final__card > ul { display: grid; gap: .6rem; }
}

@media (prefers-reduced-motion: reduce) {
  .catalog-hero__visual,
  .catalog-role-orbit,
  .catalog-role,
  .catalog-course.visible .catalog-mini-roadmap > i,
  .catalog-course.visible .catalog-mini-dashboard i::after,
  .catalog-course.visible .catalog-mini-sheet--front,
  .catalog-course.visible .catalog-mini-network__line { animation: none !important; }
}