:root,
[data-theme="violet"] {
  --ink: #1a1a1f;
  --ink-band: #24222c;
  --paper: #f5f5f5;
  --white: #ffffff;
  --muted: #5f5f68;
  --line: #dddde3;
  --violet: #5b2d91;
  --violet-deep: #4a2478;
  --violet-soft: #efe8f7;
  --mist: #e8ddf5;
  --accent-rgb: 91, 45, 145;
  --header-h: 72px;
  --font-display: "Bricolage Grotesque", sans-serif;
  --font-body: "Public Sans", sans-serif;
  --space: clamp(1.15rem, 4.5vw, 2.25rem);
  --shell: min(1080px, calc(100% - 2 * var(--space)));
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* Ocean — navy + teal */
[data-theme="ocean"] {
  --ink: #132536;
  --ink-band: #173247;
  --paper: #eef3f6;
  --white: #ffffff;
  --muted: #4f6575;
  --line: #d0dde6;
  --violet: #0f766e;
  --violet-deep: #0b5f59;
  --violet-soft: #d9f0ed;
  --mist: #d2efeb;
  --accent-rgb: 15, 118, 110;
}

/* Copper — charcoal + warm metal */
[data-theme="copper"] {
  --ink: #221b16;
  --ink-band: #2c231c;
  --paper: #f3efe9;
  --white: #fffdf9;
  --muted: #6b5e52;
  --line: #ddd2c6;
  --violet: #b45309;
  --violet-deep: #92400e;
  --violet-soft: #f3e2cf;
  --mist: #f0e0cc;
  --accent-rgb: 180, 83, 9;
}

/* Forest — deep green */
[data-theme="forest"] {
  --ink: #17241c;
  --ink-band: #1e2f25;
  --paper: #eef2ee;
  --white: #ffffff;
  --muted: #556358;
  --line: #d4ddd6;
  --violet: #1f6b45;
  --violet-deep: #165536;
  --violet-soft: #d9ebe0;
  --mist: #dcefe3;
  --accent-rgb: 31, 107, 69;
}

/* Graphite — black / white / steel */
[data-theme="graphite"] {
  --ink: #1a1a1a;
  --ink-band: #262626;
  --paper: #f0f0f0;
  --white: #ffffff;
  --muted: #5a5a5a;
  --line: #d6d6d6;
  --violet: #3d5a80;
  --violet-deep: #2c425e;
  --violet-soft: #dce4ee;
  --mist: #e4ebf3;
  --accent-rgb: 61, 90, 128;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 32px);
}

main > section {
  scroll-margin-top: calc(var(--header-h) + 32px);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

[hidden] {
  display: none !important;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
  color: inherit;
}

h1, h2, h3, p, ul, ol, blockquote, figure {
  margin: 0;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  padding: 0.65rem var(--space);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-scrolled {
  background: color-mix(in srgb, var(--paper) 97%, transparent);
  backdrop-filter: blur(12px);
  box-shadow: inset 0 -1px 0 var(--line);
}

.brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.brand__logo {
  height: 42px;
  width: auto;
}

.brand__logo--on-light {
  display: none;
}

.site-header.is-scrolled .brand__logo--on-dark,
.site-header.menu-open .brand__logo--on-dark {
  display: none;
}

.site-header.is-scrolled .brand__logo--on-light,
.site-header.menu-open .brand__logo--on-light {
  display: block;
}

.nav {
  display: none;
  align-items: center;
  gap: 1.4rem;
}

.nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
}

.site-header.is-scrolled .nav a {
  color: var(--ink);
}

.nav a:not(.nav__cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: var(--violet);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.nav a:not(.nav__cta):hover::after,
.nav a:not(.nav__cta).is-active::after {
  transform: scaleX(1);
}

.nav a.is-active:not(.nav__cta) {
  color: var(--mist);
}

.site-header.is-scrolled .nav a.is-active:not(.nav__cta) {
  color: var(--violet);
}

.nav__cta {
  padding: 0.55rem 1rem;
  background: var(--violet);
  color: #fff !important;
}

.nav__cta:hover,
.nav__cta.is-active {
  background: var(--violet-deep);
}

.nav-toggle {
  width: 44px;
  height: 44px;
  display: grid;
  place-content: center;
  gap: 7px;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: #fff;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}

.site-header.is-scrolled .nav-toggle span,
.site-header.menu-open .nav-toggle span {
  background: var(--ink);
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4.25px) rotate(40deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4.25px) rotate(-40deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: var(--ink);
  color: #fff;
  display: grid;
  align-content: center;
  gap: 1.2rem;
  padding: 5.5rem var(--space) 2rem;
  overflow-y: auto;
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 7vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  padding: 0.25rem 0;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: #fff;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(17, 17, 20, 0.4) 0%, rgba(17, 17, 20, 0.2) 40%, rgba(17, 17, 20, 0.88) 100%),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.22) 0%, transparent 55%);
}

.hero__content {
  position: relative;
  z-index: 1;
  width: var(--shell);
  margin: 0 auto;
  padding: calc(var(--header-h) + 2.5rem) 0 2.75rem;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 11vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 0.92;
  margin-bottom: 0.9rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 4.2vw, 1.85rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
  max-width: 22ch;
  margin-bottom: 0.8rem;
}

.hero__lead {
  max-width: 38ch;
  color: #fff;
  margin-bottom: 1.5rem;
  font-size: 0.98rem;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.25rem;
  font-weight: 600;
  font-size: 0.95rem;
  width: 100%;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn--primary {
  background: var(--violet);
  color: #fff;
}

.btn--primary:hover {
  background: var(--violet-deep);
}

.btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #fff;
}

.btn--ghost:hover {
  border-color: #fff;
}

/* Bands */
.band {
  padding: clamp(3.25rem, 7vw, 5.5rem) 0;
}

#societe.band {
  padding: clamp(2.5rem, 5vw, 3.75rem) 0;
}

.band--white {
  background: var(--white);
}

.band--soft {
  background: var(--violet-soft);
}

.band--ink {
  background: var(--ink-band);
  color: #fff;
}

.band--ink p,
.band--ink li,
.band--ink .contact__lead,
.band--ink .contact__addr,
.band--ink .contact__mail,
.band--ink .letter__body,
.band--ink .phase ul {
  color: #fff;
}

.kicker {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 0.7rem;
}

.kicker--mist {
  color: #fff;
}

.h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 6vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.h2--light {
  color: #fff;
}

.section-top {
  margin-bottom: 1.75rem;
}

.section-lead {
  margin-top: 0.75rem;
  color: var(--muted);
  max-width: 46ch;
}

/* About */
.about {
  display: grid;
  gap: 0;
}

.about:has(.credibility:not([hidden]):not(:empty)) {
  gap: 2rem;
}

.about__top {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.about__copy .h2 {
  margin-bottom: 0.85rem;
}

.about__lead {
  font-size: clamp(1.08rem, 2.4vw, 1.22rem);
  line-height: 1.5;
  margin-bottom: 0.75rem;
  max-width: 36ch;
}

.about__copy p:last-child {
  color: var(--muted);
  max-width: 48ch;
}

.credibility {
  list-style: none;
  margin: 0;
  padding: 1.25rem 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.credibility:empty {
  display: none;
  padding: 0;
  border: 0;
}

.credibility li {
  display: grid;
  gap: 0.2rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
}

.credibility span {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.credibility strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

@media (min-width: 760px) {
  .credibility {
    grid-template-columns: repeat(4, 1fr);
    column-gap: 1.25rem;
    border-top: 1px solid var(--line);
  }

  .credibility li {
    border-bottom: 0;
    padding: 1.15rem 0 0;
  }
}

.audience-band {
  position: relative;
  isolation: isolate;
  color: #fff;
  overflow: hidden;
}

.audience-band__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.audience-band__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.audience-band__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 10, 12, 0.72) 0%, rgba(10, 10, 12, 0.55) 45%, rgba(10, 10, 12, 0.78) 100%),
    linear-gradient(90deg, rgba(var(--accent-rgb), 0.28), transparent 55%);
}

.audience-band__content {
  position: relative;
  z-index: 1;
}

.audience {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.audience__item {
  padding: 1.35rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.audience__item h3 {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  margin: 0 0 0.45rem;
  color: #fff;
}

.audience__item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  max-width: 42ch;
  line-height: 1.55;
}

@media (min-width: 760px) {
  .audience {
    grid-template-columns: repeat(3, 1fr);
    column-gap: 2rem;
    border-top: 0;
  }

  .audience__item {
    border-bottom: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.22);
    padding-top: 1.25rem;
  }
}

.references-band .section-top {
  margin-bottom: 1.75rem;
}

.section-top--center {
  text-align: center;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

.logo-marquee {
  margin-top: 0.5rem;
  overflow: hidden;
}

.logo-marquee__viewport {
  overflow: hidden;
  touch-action: pan-y;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.logo-marquee__track {
  display: flex;
  align-items: center;
  gap: clamp(2.5rem, 6vw, 4.5rem);
  width: max-content;
  padding: 0.35rem 0 0.85rem;
  will-change: transform;
  backface-visibility: hidden;
  transform: translate3d(0, 0, 0);
}

.logo-marquee__track.is-static {
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
  row-gap: 1.25rem;
  will-change: auto;
}

.logo-marquee__set {
  display: flex;
  align-items: center;
  gap: inherit;
  flex: 0 0 auto;
}

.logo-marquee__item {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  height: 4.25rem;
  width: 10.5rem;
  pointer-events: none;
}

.logo-marquee__item img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 4.25rem;
  max-width: 10.5rem;
  object-fit: contain;
  object-position: center;
  filter: none;
  opacity: 0.95;
  -webkit-user-drag: none;
  user-select: none;
}

.contact__paths {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.25rem;
}

.contact__path {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.contact__path:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #fff;
}

.about__media {
  margin: 0;
  overflow: hidden;
  background: var(--ink-band, var(--ink));
  position: relative;
}

.about__media-viewport {
  overflow: hidden;
  position: relative;
}

.about__media-track {
  display: flex;
  transition: transform 0.55s var(--ease);
  will-change: transform;
}

.about__media-slide {
  flex: 0 0 100%;
  min-width: 100%;
}

.about__media-slide img,
.about__media img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.about__media-ui {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    transparent 55%,
    rgba(10, 10, 12, 0.45) 100%
  );
}

.about__media-ui[hidden] {
  display: none !important;
}

.about__media-nav {
  pointer-events: auto;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
  transition:
    background 0.25s var(--ease),
    border-color 0.25s var(--ease),
    transform 0.25s var(--ease),
    opacity 0.25s var(--ease);
}

.about__media-nav svg {
  width: 18px;
  height: 18px;
  display: block;
}

.about__media-nav--prev { left: 0.75rem; }
.about__media-nav--next { right: 0.75rem; }

.about__media-nav:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.24);
  border-color: rgba(255, 255, 255, 0.55);
  transform: translateY(-50%) scale(1.04);
}

.about__media-nav:disabled {
  opacity: 0.28;
  cursor: not-allowed;
}

.about__media-footer {
  pointer-events: auto;
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.about__media-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.about__media-dot {
  width: 1.35rem;
  height: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
  padding: 0;
  border: 0;
  cursor: pointer;
  transition:
    width 0.3s var(--ease),
    background 0.3s var(--ease);
}

.about__media-dot.is-active {
  width: 2rem;
  background: #fff;
}

.about__media-count {
  margin: 0;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
}

.about__media-count-sep {
  opacity: 0.55;
  margin: 0 0.15rem;
}

.about__points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.about__points li {
  display: grid;
  gap: 0.25rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}

.about__points strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.about__points span {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Letter */
.letter-wrap {
  max-width: 760px;
}

.letter > p:first-of-type {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.3;
  margin: 0.7rem 0 1.5rem;
  padding-left: 1rem;
  border-left: 3px solid var(--violet);
}

.letter__body {
  display: grid;
  gap: 0.95rem;
  color: #fff;
  max-width: 60ch;
}

.letter__sign {
  margin-top: 2rem;
  display: grid;
  gap: 0.2rem;
}

.letter__sign strong {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: #fff;
}

.letter__sign span {
  color: #fff;
  font-size: 0.92rem;
  opacity: 0.92;
}

/* Leaders */
.leaders {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.leader {
  display: grid;
  grid-template-columns: minmax(140px, 220px) 1fr;
  gap: 1.35rem 1.75rem;
  align-items: start;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}

.leader__photo {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--violet-soft);
}

.leader__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.leader__body {
  min-width: 0;
}

.leader__role {
  color: var(--violet);
  font-weight: 600;
  font-size: 0.88rem;
  margin: 0 0 0.35rem;
}

.leader h3 {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.6vw, 1.28rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 0.55rem;
  overflow-wrap: anywhere;
  hyphens: auto;
}

.leader__body > p:last-child {
  color: var(--muted);
  margin: 0;
}

.leader--no-photo {
  grid-template-columns: 1fr;
}

@media (max-width: 700px) {
  .leader {
    grid-template-columns: 1fr;
  }

  .leader__photo {
    max-width: 260px;
  }
}

/* Carousel */
.carousel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.35rem;
}

.carousel-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.carousel-count {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  margin-right: 0.25rem;
}

.carousel-count__sep {
  color: var(--muted);
  margin: 0 0.15rem;
}

.carousel-btn {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: #fff;
  font-size: 1.15rem;
  line-height: 1;
  flex-shrink: 0;
}

.carousel-btn:hover:not(:disabled) {
  background: var(--violet);
}

.carousel-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.carousel__viewport {
  overflow: hidden;
  width: 100%;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  touch-action: pan-y;
}

.carousel__track {
  display: flex;
  transition: transform 0.4s var(--ease);
}

.carousel__slide {
  flex: 0 0 100%;
  width: 100%;
  min-width: 100%;
  display: grid;
}

.carousel__slide img {
  width: 100%;
  aspect-ratio: 16 / 11;
  height: auto;
  object-fit: cover;
}

.carousel__text {
  padding: 1.35rem 0 1.5rem;
  display: grid;
  gap: 0.45rem;
}

.carousel-head .section-lead {
  margin-top: 0.65rem;
}

.carousel__text span {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--violet);
}

.carousel__text h3 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4.5vw, 1.85rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.carousel__text p {
  color: var(--muted);
  font-size: 0.98rem;
}

.carousel-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.1rem;
}

.carousel-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line);
  padding: 0;
}

.carousel-dot.is-active {
  background: var(--violet);
}

/* Pillars — Nos activités (numeric accordion) */
.pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.pillar {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0 0.85rem;
}

.pillar__trigger {
  width: 100%;
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0.5rem 0.7rem;
  align-items: center;
  padding: 0.85rem 0;
  margin: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.pillar__index {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.6vw, 1.3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: #c4c4c8;
  transition: color 0.25s var(--ease);
}

.pillar__trigger h3 {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 2vw, 1.08rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0;
  line-height: 1.25;
}

.pillar__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s var(--ease);
}

.pillar__panel > p {
  overflow: hidden;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
  max-width: 36ch;
}

.pillar.is-open .pillar__panel,
.pillar:focus-within .pillar__panel {
  grid-template-rows: 1fr;
}

.pillar.is-open .pillar__panel > p,
.pillar:focus-within .pillar__panel > p {
  padding: 0 0 0.85rem 2.9rem;
}

.pillar.is-open .pillar__index,
.pillar:focus-within .pillar__index {
  color: var(--violet);
}

@media (hover: hover) and (pointer: fine) {
  .pillar:hover .pillar__panel {
    grid-template-rows: 1fr;
  }

  .pillar:hover .pillar__panel > p {
    padding: 0 0 0.85rem 2.9rem;
  }

  .pillar:hover .pillar__index {
    color: var(--violet);
  }
}

@media (max-width: 560px) {
  .pillars {
    grid-template-columns: 1fr;
  }
}

/* Phases — Notre méthode (accordion pillars) */
.phases {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.phase {
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.phase__head {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "step chevron"
    "title chevron";
  gap: 0.35rem 1rem;
  align-items: center;
  padding: 1.15rem 0;
  margin: 0;
  border: 0;
  background: transparent;
  color: #fff;
  text-align: left;
  cursor: pointer;
}

.phase__step {
  grid-area: step;
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
}

.phase__step span {
  color: color-mix(in srgb, var(--violet) 45%, #fff);
  margin-right: 0.35rem;
}

.phase__head h3 {
  grid-area: title;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.8vw, 1.4rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  margin: 0;
  color: #fff;
}

.phase__chevron {
  grid-area: chevron;
  width: 0.65rem;
  height: 0.65rem;
  border-right: 2px solid rgba(255, 255, 255, 0.7);
  border-bottom: 2px solid rgba(255, 255, 255, 0.7);
  transform: rotate(45deg);
  transition: transform 0.35s var(--ease);
  align-self: center;
}

.phase.is-open .phase__chevron {
  transform: rotate(225deg);
}

.phase__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ease);
}

.phase__body-inner {
  overflow: hidden;
  min-height: 0;
}

.phase__body ul {
  list-style: none;
  padding: 0 0 1.15rem;
  margin: 0;
  display: grid;
  gap: 0.5rem;
  color: #fff;
}

.phase__body li {
  position: relative;
  font-size: 0.96rem;
  line-height: 1.45;
  padding-top: 0.35rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.phase__body li:first-child {
  border-top: 0;
  padding-top: 0;
}

.phase.is-open .phase__body {
  grid-template-rows: 1fr;
}

@media (hover: hover) and (pointer: fine) {
  .phase:hover .phase__body {
    grid-template-rows: 1fr;
  }

  .phase:hover .phase__chevron {
    transform: rotate(225deg);
  }
}

/* Mission */
.mission {
  position: relative;
  color: #fff;
  overflow: hidden;
}

.mission__media {
  position: absolute;
  inset: 0;
}

.mission__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.2);
}

.mission__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--ink-band) 35%, transparent) 0%,
    color-mix(in srgb, var(--ink-band) 92%, transparent) 100%
  );
}

.mission__content {
  position: relative;
  z-index: 1;
  padding: clamp(3.5rem, 10vw, 5.5rem) 0;
}

.mission__content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 5.5vw, 2.4rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.2;
  max-width: 22ch;
}

/* Values */
.values-line {
  list-style: none;
  padding: 1.1rem 0 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0;
  border-top: 1px solid var(--line);
}

.values-line li {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 3.8vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  padding-right: 0.85rem;
  margin-right: 0.85rem;
  border-right: 1px solid var(--line);
}

.values-line li:last-child {
  border-right: 0;
  margin-right: 0;
  padding-right: 0;
}

/* Ambition */
.ambition h2 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 4.2vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.3;
}

/* Contact */
.contact {
  display: grid;
  gap: 1.75rem;
}

.contact__panel {
  display: grid;
  gap: 0.75rem;
}

.contact__big {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 7vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  word-break: break-word;
}

.contact__big:hover {
  color: #fff;
  opacity: 0.9;
}

.contact__emails {
  display: grid;
  gap: 0.45rem;
}

.contact__mail {
  font-size: 1.05rem;
  font-weight: 500;
  color: #fff;
  width: fit-content;
  max-width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  padding-bottom: 0.15rem;
  word-break: break-word;
}

.contact__mail:hover {
  color: #fff;
  border-color: #fff;
}

.contact__addr {
  color: #fff;
  margin-top: 0.25rem;
}

.contact__lead {
  margin-top: 0.85rem;
  color: #fff;
  max-width: 36ch;
}

.contact__actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1rem;
}

.btn--ghost-dark {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
  background: transparent;
}

.btn--ghost-dark:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

/* Footer */
.site-footer {
  background: var(--ink-band);
  color: #fff;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.footer-brand {
  display: grid;
  gap: 0.65rem;
}

.footer-logo {
  height: 40px;
  width: auto;
}

.site-footer p {
  font-size: 0.88rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
}

.footer-nav a {
  color: #fff;
  font-size: 0.92rem;
  font-weight: 500;
}

.footer-nav a:hover {
  color: #fff;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

/* Light motion — never hide content permanently */
.reveal {
  opacity: 1;
  transform: none;
}

@media (min-width: 640px) {
  .hero__actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .btn {
    width: auto;
  }

  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .contact__actions {
    flex-direction: row;
  }
}

@media (min-width: 760px) {
  :root {
    --header-h: 78px;
  }

  .brand__logo {
    height: 52px;
  }

  .about__top {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2.5rem;
  }

  .about__media img,
  .about__media-slide img {
    height: 300px;
  }

  .about__points {
    grid-template-columns: repeat(3, 1fr);
    column-gap: 1.75rem;
  }

  .about__points li {
    padding-right: 0.75rem;
  }

  .phases {
    grid-template-columns: repeat(3, 1fr);
    column-gap: 1.5rem;
    border-top: 0;
    align-items: start;
  }

  .phase {
    border-bottom: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
  }

  .phase__head {
    padding-top: 1.25rem;
  }

  .carousel__slide {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: stretch;
  }

  .carousel__slide img {
    aspect-ratio: auto;
    height: 100%;
    min-height: 320px;
    object-fit: cover;
  }

  .carousel__text {
    padding: 1.75rem 0 1.75rem 2rem;
    align-content: center;
  }

  /* Odd: photo left — Even: photo right */
  .carousel__slide--flip img {
    order: 2;
  }

  .carousel__slide--flip .carousel__text {
    order: 1;
    padding: 1.75rem 2rem 1.75rem 0;
  }

  .contact__actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .contact__actions .btn {
    width: auto;
  }
}

@media (min-width: 960px) {
  .nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .leaders {
    grid-template-columns: 1fr 1fr;
    column-gap: 3rem;
  }

  .contact {
    grid-template-columns: 1fr 1fr;
    align-items: end;
    gap: 3.5rem;
  }

  .hero__content {
    padding-bottom: 4.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .carousel__track {
    transition: none !important;
  }

  .logo-marquee__track {
    transform: none !important;
  }
}