/* ============================================================
   VARIABLES — palette, typographie, espacements
   Pensées pour un portage facile vers un thème / builder
   ============================================================ */
:root {
  /* Couleurs — palette "Charbon & bleu glace" (sport technique / performance) */
  --color-ink:        #1B1D1F;   /* charbon profond — fonds sombres & texte */
  --color-ink-soft:   #292C2F;
  --color-bone:       #ECEEEC;   /* fond principal, gris glace neutre */
  --color-bone-light: #F6F7F6;
  --color-ice:        #8FB5C2;   /* bleu glace — accent primaire, sur fond sombre / boutons */
  --color-ice-dark:   #47707D;   /* bleu glace foncé — accent texte sur fond clair (contraste AA) */
  --color-slate:      #3E4448;   /* gris charbon — bordures et éléments décoratifs uniquement (contraste insuffisant pour du texte) */
  --color-text-muted: #52585B;   /* texte secondaire sur fond clair — 4.5:1 minimum sur --color-bone */
  --color-border:     rgba(27, 29, 31, 0.14);
  --color-border-lt:  rgba(246, 247, 246, 0.22);

  /* Typographie */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Archivo', -apple-system, sans-serif;

  --fs-display-xl: clamp(3rem, 7vw, 6.4rem);
  --fs-display-lg: clamp(2.2rem, 4.8vw, 4rem);
  --fs-display-md: clamp(1.7rem, 3vw, 2.6rem);
  --fs-body-lg: 1.25rem;
  --fs-body: 1.05rem;
  --fs-small: 0.9rem;
  --fs-micro: 0.78rem;

  /* Espacements */
  --space-2xs: 0.5rem;
  --space-xs: 0.9rem;
  --space-sm: 1.5rem;
  --space-md: 2.5rem;
  --space-lg: 4.5rem;
  --space-xl: 7rem;
  --space-2xl: 10rem;

  /* Structure */
  --content-max: 1320px;
  --content-narrow: 760px;
  --page-gutter: clamp(1.5rem, 5vw, 3.5rem);
  --radius-sm: 2px;
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-editorial: cubic-bezier(0.65, 0, 0.35, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--color-bone);
  color: var(--color-ink);
  font-size: var(--fs-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-sm);
  z-index: 200;
  padding: 0.65rem 1rem;
  background: var(--color-ink);
  color: var(--color-bone-light);
  font-size: var(--fs-small);
  font-weight: 600;
  border-radius: var(--radius-sm);
}
.skip-link:focus {
  left: var(--page-gutter);
  outline: 2px solid var(--color-ice);
  outline-offset: 4px;
}

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

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

.wrap {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

/* Rythme vertical des sections en tant que modules autonomes */
.section { position: relative; padding-block: var(--space-2xl); scroll-margin-top: 5.5rem; }
.section--tight { padding-block: var(--space-xl); }
.section--dark { background: var(--color-ink); color: var(--color-bone-light); }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--color-ice-dark);
  letter-spacing: 0.01em;
  font-weight: 600;
  display: inline-flex;
  align-items: baseline;
  gap: 0.6em;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}
.section--dark .eyebrow { color: var(--color-ice); }

/* Reveal générique déclenché par IntersectionObserver */
[data-reveal] { opacity: 0; }
[data-reveal="fade-up"] { transform: translateY(28px); transition: opacity 0.9s var(--ease-soft), transform 0.9s var(--ease-soft); }
[data-reveal="fade"] { transition: opacity 1s var(--ease-soft); }
[data-reveal="scale"] { transform: scale(0.94); transition: opacity 0.9s var(--ease-soft), transform 1s var(--ease-soft); }
[data-reveal="clip"] { clip-path: inset(0 0 100% 0); opacity: 1; transition: clip-path 1.05s var(--ease-editorial); }
.is-visible { opacity: 1 !important; transform: none !important; clip-path: inset(0 0 0% 0) !important; }

.stagger > * { transition-delay: calc(var(--i, 0) * 90ms); }

/* ============================================================
   HEADER — réagit au scroll
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding-block: var(--space-sm);
  padding-top: max(var(--space-sm), env(safe-area-inset-top));
  transition: padding 0.4s var(--ease-soft), background 0.4s var(--ease-soft), box-shadow 0.4s var(--ease-soft);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  position: relative;
  z-index: 2;
  min-width: 0;
}
.site-header.is-scrolled {
  padding-block: var(--space-2xs);
  padding-top: max(var(--space-2xs), env(safe-area-inset-top));
  background: rgba(27, 29, 31, 0.94);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px -20px rgba(0,0,0,0.5);
}
.site-header.is-nav-open {
  background: var(--color-ink);
}
/* Le header repose toujours sur un fond sombre (image du hero, puis
   bandeau encre au scroll) : texte clair dans les deux états. */
.site-header .brand,
.site-header .nav-link,
.site-header .nav-cta,
.site-header .nav-toggle { color: var(--color-bone-light); }

.brand {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  font-weight: 500;
  font-style: italic;
  white-space: nowrap;
  min-width: 0;
  flex: 0 1 auto;
}
.brand span { font-style: normal; font-weight: 400; opacity: 0.7; font-size: 0.75em; }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, var(--space-lg));
  flex-shrink: 0;
}
.nav-links { display: flex; gap: clamp(0.85rem, 1.8vw, var(--space-md)); list-style: none; }
.nav-link { font-size: var(--fs-small); font-weight: 500; position: relative; padding-bottom: 4px; }
.nav-link::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px; background: currentColor;
  transition: width 0.35s var(--ease-soft);
}
.nav-link:hover::after { width: 100%; }

.nav-cta {
  font-size: var(--fs-small);
  font-weight: 600;
  border: 1px solid currentColor;
  padding: 0.55rem 1.3rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: background 0.35s var(--ease-soft), color 0.35s var(--ease-soft);
}
.site-header .nav-cta:hover { background: var(--color-ice); border-color: var(--color-ice); color: var(--color-ink); }

.nav-toggle { display: none; }

.brand:focus-visible,
.nav-link:focus-visible,
.nav-cta:focus-visible,
.nav-toggle:focus-visible,
.nav-mobile__link:focus-visible,
.nav-mobile__cta:focus-visible {
  outline: 2px solid var(--color-ice);
  outline-offset: 4px;
}

/* Panneau du menu mobile — caché par défaut sur desktop (aucune règle
   de mise en page tant qu'on n'est pas dans le breakpoint mobile,
   sinon il s'affiche comme un bloc normal par-dessus la page). */
.nav-mobile { display: none; }
body.is-nav-locked { overflow: hidden; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--color-bone-light);
  overflow: hidden;
}
.hero__media {
  position: absolute; inset: 0;
  z-index: 0;
}
.hero__media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(55%) brightness(0.62) contrast(1.08);
  transform: scale(1.08);
}
.hero__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(190deg, rgba(27,29,31,0.18) 10%, rgba(27,29,31,0.88) 92%);
}
.hero__stamp {
  position: absolute;
  top: max(5.25rem, calc(env(safe-area-inset-top) + 4.5rem));
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1;
  display: flex;
  justify-content: flex-end;
  pointer-events: none;
  font-family: var(--font-body);
  color: var(--color-bone-light);
}
.hero__stamp-inner {
  text-align: right;
}
.hero__stamp .num { font-family: var(--font-display); font-size: 2.6rem; font-weight: 500; line-height: 1; }
.hero__stamp .lbl { font-size: var(--fs-micro); color: var(--color-ice); margin-top: 0.4rem; font-weight: 600; letter-spacing: 0.02em; }

.hero__content {
  position: relative; z-index: 1;
  width: 100%;
  padding-bottom: var(--space-xl);
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-display-xl);
  line-height: 0.98;
  max-width: 15ch;
  letter-spacing: -0.01em;
}
.hero__title em { font-style: italic; font-weight: 500; color: var(--color-ice); }
.hero__sub {
  margin-top: var(--space-sm);
  max-width: 46ch;
  font-size: var(--fs-body-lg);
  color: rgba(246,247,246,0.82);
  font-weight: 400;
}
.hero__actions {
  margin-top: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-small);
  padding: 1rem 1.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.35s var(--ease-soft), background 0.35s var(--ease-soft), color 0.35s var(--ease-soft), border-color 0.35s var(--ease-soft);
}
.btn--primary { background: var(--color-ice); color: var(--color-ink); }
.btn--primary:hover { transform: translateY(-2px); background: #A8C7D1; }
.btn--ghost { border-color: rgba(246,247,246,0.4); color: var(--color-bone-light); }
.btn--ghost:hover { border-color: var(--color-bone-light); background: rgba(246,247,246,0.08); }
.btn--dark { background: var(--color-ink); color: var(--color-bone-light); }
.btn--dark:hover { transform: translateY(-2px); background: var(--color-slate); }
.btn:focus-visible,
.testimonial-dots button:focus-visible {
  outline: 2px solid var(--color-ice-dark);
  outline-offset: 3px;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-md);
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(246,247,246,0.65);
}
.hero__scroll-line {
  width: 1px; height: 34px;
  background: rgba(246,247,246,0.4);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute; top: -100%; left: 0; right: 0; height: 100%;
  background: var(--color-ice);
  animation: scrollPulse 2.2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0% { top: -100%; } 60% { top: 100%; } 100% { top: 100%; }
}

/* ============================================================
   À PROPOS
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-xl);
  align-items: start;
}
.about__sticky { position: sticky; top: 8rem; }
.about__title {
  font-family: var(--font-display);
  font-size: var(--fs-display-lg);
  font-weight: 400;
  line-height: 1.08;
  margin-top: var(--space-sm);
}
.about__body p {
  font-size: var(--fs-body-lg);
  color: var(--color-ink-soft);
  max-width: 56ch;
}
.about__body p + p { margin-top: var(--space-sm); }

.about__figure {
  margin-top: var(--space-lg);
  position: relative;
}
.about__figure img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  filter: grayscale(35%) contrast(1.05);
}
.about__pull {
  background: var(--color-ink);
  color: var(--color-bone-light);
  padding: var(--space-md);
  margin-top: -3rem;
  margin-left: var(--space-lg);
  max-width: 340px;
  position: relative;
  z-index: 1;
}
.about__pull p {
  font-family: var(--font-display);
  color: var(--color-bone-light);
  font-style: italic;
  font-size: 1.35rem;
  line-height: 1.35;
}
.about__pull cite {
  display: block;
  font-style: normal;
  font-family: var(--font-body);
  font-size: var(--fs-micro);
  color: var(--color-ice);
  margin-top: var(--space-sm);
  font-weight: 600;
}

.about__stats {
  margin-top: var(--space-lg);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}
.about__stat .num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--color-ice-dark);
}
.about__stat .lbl { font-size: var(--fs-small); color: var(--color-text-muted); margin-top: 0.3rem; }

/* ============================================================
   SECTEURS — cartes avec texte toujours visible
   ============================================================ */
.sectors {
  background: var(--color-ink);
  color: var(--color-bone-light);
}
.sectors__head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: var(--space-lg);
  align-items: end;
  margin-bottom: var(--space-lg);
}
.sectors__head h2 {
  font-family: var(--font-display);
  font-size: var(--fs-display-lg);
  font-weight: 400;
  max-width: 14ch;
  margin-top: var(--space-sm);
}
.sectors__intro p {
  color: rgba(246,247,246,0.72);
  font-size: var(--fs-body-lg);
  max-width: 48ch;
}
.sectors__intro p + p { margin-top: var(--space-sm); }

.sectors__grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 2px;
}
.sector-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--color-ink-soft);
  overflow: hidden;
}
.sector-card:nth-child(-n+3) { grid-column: span 2; }
.sector-card:nth-child(n+4) { grid-column: span 3; }

.sector-card__media {
  position: relative;
  aspect-ratio: 16 / 11;
  overflow: hidden;
}
.sector-card__media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(55%) brightness(0.62);
  transform: scale(1.02);
  transition: transform 1.1s var(--ease-editorial), filter 0.7s ease;
}
.sector-card:hover .sector-card__media img {
  transform: scale(1.08);
  filter: grayscale(15%) brightness(0.74);
}
.sector-card__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(27,29,31,0.08) 40%, rgba(27,29,31,0.45) 100%);
  pointer-events: none;
}
.sector-card__index {
  position: absolute;
  top: var(--space-sm); left: var(--space-sm);
  z-index: 2;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--color-ice);
}
.sector-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: var(--space-sm) var(--space-sm) var(--space-md);
  flex: 1;
}
.sector-card__body h3 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 500;
}
.sector-card__body p {
  font-size: var(--fs-small);
  color: rgba(246,247,246,0.74);
  line-height: 1.55;
}
.sector-card__meta {
  margin-top: auto;
  padding-top: 0.4rem;
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-ice);
}

.sectors__exigence {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-lt);
}
.sectors__exigence-lead {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--fs-display-md);
  font-weight: 400;
  max-width: 22ch;
  margin-bottom: var(--space-md);
}
.sectors__principles {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}
.sectors__principles h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.55rem;
}
.sectors__principles p {
  color: rgba(246,247,246,0.68);
  font-size: var(--fs-small);
  max-width: 36ch;
}

/* ============================================================
   MARQUES — portfolio de représentation
   ============================================================ */
.brands__head { text-align: center; max-width: var(--content-narrow); margin-inline: auto; }
.brands__head h2 {
  font-family: var(--font-display);
  font-size: var(--fs-display-lg);
  font-weight: 400;
  margin-top: var(--space-sm);
}
.brands__head p { margin-top: var(--space-sm); color: var(--color-ink-soft); font-size: var(--fs-body-lg); }

.brands__grid {
  margin-top: var(--space-xl);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  list-style: none;
}
.brands__grid--partners {
  grid-template-columns: repeat(3, 1fr);
}
.brands__more {
  margin-top: var(--space-md);
  max-width: 42ch;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}
.brand-tile {
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  aspect-ratio: 1.5/1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.brand-tile__name {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--color-text-muted);
  transition: color 0.4s var(--ease-soft), transform 0.4s var(--ease-soft);
  position: relative; z-index: 1;
}
.brand-tile::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--color-ink);
  transform: translateY(101%);
  transition: transform 0.5s var(--ease-editorial);
}
.brand-tile:hover::before { transform: translateY(0); }
.brand-tile:hover .brand-tile__name { color: var(--color-ice); transform: translateY(-2px); }
.brand-tile--logo::before { display: none; }
.brands__grid--partners .brand-tile--logo {
  background: #fff;
}
.brands__grid--partners .brand-tile--logo:hover {
  background: #fff;
  box-shadow: none;
}
.brand-tile__logo {
  max-width: min(82%, 240px);
  max-height: 3.5rem;
  width: auto;
  height: auto;
  object-fit: contain;
}
.brand-tile__logo--flocon {
  max-width: min(70%, 200px);
  max-height: 4.5rem;
}
.brand-tile__logo--nivo {
  max-width: min(55%, 140px);
  max-height: 3.75rem;
}

/* ============================================================
   APPROCHE / SERVICES
   ============================================================ */
.approach__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  gap: var(--space-xl);
}
.approach__title {
  font-family: var(--font-display);
  font-size: var(--fs-display-lg);
  font-weight: 400;
  margin-top: var(--space-sm);
  position: sticky;
  top: 8rem;
}
.approach__list { border-top: 1px solid var(--color-border); }
.approach__item {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: var(--space-lg);
  padding-block: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}
.approach__item h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
}
.approach__item p { color: var(--color-ink-soft); max-width: 48ch; }

/* ============================================================
   TÉMOIGNAGES
   ============================================================ */
.testimonials { background: var(--color-bone-light); }
.testimonial-track {
  position: relative;
  min-height: 260px;
}
.testimonial {
  position: absolute; inset: 0;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease-soft), transform 0.7s var(--ease-soft);
  pointer-events: none;
}
.testimonial.is-active { opacity: 1; transform: none; pointer-events: auto; }
.testimonial blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  line-height: 1.35;
  max-width: 22ch;
}
.testimonial cite {
  display: block;
  font-style: normal;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--color-ice-dark);
  font-weight: 600;
  margin-top: var(--space-md);
}
.testimonial cite span { color: var(--color-text-muted); font-weight: 400; }

.testimonial-dots {
  display: flex;
  gap: 0.6rem;
  margin-top: var(--space-lg);
}
.testimonial-dots button {
  width: 34px; height: 2px;
  background: var(--color-border);
  border: none; cursor: pointer;
  transition: background 0.3s ease;
}
.testimonial-dots button.is-active { background: var(--color-ice-dark); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--color-ink); color: var(--color-bone-light); }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}
.contact__title {
  font-family: var(--font-display);
  font-size: var(--fs-display-lg);
  font-weight: 400;
  margin-top: var(--space-sm);
  max-width: 12ch;
}
.contact__lede { margin-top: var(--space-sm); color: rgba(246,247,246,0.7); max-width: 40ch; font-size: var(--fs-body-lg); }
.contact__info { margin-top: var(--space-lg); }
.contact__info-row {
  display: flex;
  justify-content: space-between;
  padding-block: var(--space-xs);
  border-bottom: 1px solid var(--color-border-lt);
  font-size: var(--fs-small);
}
.contact__info-row span:first-child { color: rgba(246,247,246,0.55); }
.contact__info-row a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.contact__info-row a:hover { color: var(--color-ice); }
.form-note a { color: var(--color-ice); text-decoration: underline; text-underline-offset: 2px; }

.form-field { margin-bottom: var(--space-sm); }
.form-field label {
  display: block;
  font-size: var(--fs-micro);
  color: rgba(246,247,246,0.6);
  margin-bottom: 0.5rem;
  font-weight: 600;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border-lt);
  color: var(--color-bone-light);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  padding-block: 0.7rem;
  transition: border-color 0.3s ease;
}
.form-field select option { color: var(--color-ink); }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-ice);
}
.form-field textarea { resize: vertical; min-height: 90px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.form-note { font-size: var(--fs-micro); color: rgba(246,247,246,0.62); margin-top: var(--space-sm); }
.form-success {
  display: none;
  margin-top: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(143,181,194,0.16);
  border: 1px solid var(--color-ice);
  color: var(--color-ice);
  font-size: var(--fs-small);
}
.form-success.is-shown { display: block; }
.form-error {
  display: none;
  margin-top: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(200,90,90,0.14);
  border: 1px solid #C85A5A;
  color: #E39B9B;
  font-size: var(--fs-small);
}
.form-error.is-shown { display: block; }
.form-error a { text-decoration: underline; color: inherit; }
.form-honey {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
#formSubmitBtn:disabled { opacity: 0.6; cursor: wait; }

/* ============================================================
   CONFIDENTIALITÉ
   ============================================================ */
.privacy { background: var(--color-bone-light); }
.privacy__inner {
  max-width: var(--content-narrow);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}
.privacy__title {
  font-family: var(--font-display);
  font-size: var(--fs-display-md);
  font-weight: 400;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}
.privacy h3 {
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--color-ink);
  margin-top: var(--space-md);
  margin-bottom: var(--space-2xs);
}
.privacy p + p { margin-top: var(--space-xs); }
.privacy a { color: var(--color-ice-dark); text-decoration: underline; text-underline-offset: 2px; }
.privacy__updated { margin-top: var(--space-md); font-size: var(--fs-micro); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-ink);
  color: rgba(246,247,246,0.6);
  border-top: 1px solid var(--color-border-lt);
  padding-block: var(--space-lg) var(--space-md);
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
}
.site-footer__brand {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--color-bone-light);
}
.site-footer__tagline { margin-top: var(--space-sm); max-width: 30ch; font-size: var(--fs-small); }
.site-footer h4 {
  font-size: var(--fs-micro);
  color: rgba(246,247,246,0.62);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 0.6rem; font-size: var(--fs-small); }
.site-footer a:hover { color: var(--color-ice); }
.site-footer__bottom a { text-decoration: underline; text-underline-offset: 2px; }
.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-lt);
  font-size: var(--fs-micro);
  flex-wrap: wrap;
  gap: var(--space-xs);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: none;
    border: none;
    color: var(--color-bone-light);
    font-family: var(--font-body);
    font-size: var(--fs-small);
    font-weight: 600;
    cursor: pointer;
    min-height: 44px;
    min-width: 44px;
    padding: 0.5rem 0.15rem 0.5rem 0.6rem;
    touch-action: manipulation;
  }
  .nav-toggle__bars { position: relative; width: 20px; height: 14px; flex-shrink: 0; }
  .nav-toggle__bars span {
    position: absolute; left: 0; right: 0; height: 1px;
    background: currentColor;
    transition: transform 0.3s var(--ease-soft), opacity 0.3s var(--ease-soft), top 0.3s var(--ease-soft);
  }
  .nav-toggle__bars span:nth-child(1) { top: 0; }
  .nav-toggle__bars span:nth-child(2) { top: 6px; }
  .nav-toggle__bars span:nth-child(3) { top: 12px; }
  .site-header.is-nav-open .nav-toggle__bars span:nth-child(1) { top: 6px; transform: rotate(45deg); }
  .site-header.is-nav-open .nav-toggle__bars span:nth-child(2) { opacity: 0; }
  .site-header.is-nav-open .nav-toggle__bars span:nth-child(3) { top: 6px; transform: rotate(-45deg); }

  .nav-mobile {
    display: flex;
    position: fixed;
    inset: 0;
    background: var(--color-ink);
    z-index: 1;
    flex-direction: column;
    justify-content: center;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: max(6.5rem, calc(env(safe-area-inset-top) + 5.5rem)) clamp(1.5rem, 8vw, 3.5rem) max(2rem, env(safe-area-inset-bottom));
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.4s var(--ease-soft), transform 0.4s var(--ease-soft);
  }
  .site-header.is-nav-open .nav-mobile:not([hidden]) {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }
  .nav-mobile__links { list-style: none; }
  .nav-mobile__links li + li { margin-top: var(--space-sm); }
  .nav-mobile__links a {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(1.8rem, 8vw, 2.6rem);
    color: var(--color-bone-light);
    display: inline-block;
    padding-block: 0.15rem;
  }
  .nav-mobile__cta {
    margin-top: var(--space-lg);
    align-self: flex-start;
  }
}

@media (max-width: 1024px) {
  .about__grid { grid-template-columns: 1fr; }
  .about__sticky { position: static; }
  .sectors__head { grid-template-columns: 1fr; gap: var(--space-md); align-items: start; }
  .sectors__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sector-card:nth-child(-n+3),
  .sector-card:nth-child(n+4) { grid-column: auto; }
  .sector-card:last-child { grid-column: 1 / -1; }
  .sectors__principles { grid-template-columns: 1fr; gap: var(--space-sm); }
  .brands__grid { grid-template-columns: repeat(3, 1fr); }
  .approach__grid { grid-template-columns: 1fr; }
  .approach__title { position: static; margin-bottom: var(--space-md); }
  .approach__item { grid-template-columns: 1fr; gap: var(--space-2xs); }
  .contact__grid { grid-template-columns: 1fr; }
  .site-footer__top { grid-template-columns: 1.2fr 1fr 1fr; }
}

@media (max-width: 720px) {
  .sectors__grid { grid-template-columns: 1fr; }
  .brands__grid { grid-template-columns: repeat(2, 1fr); }
  .brands__grid--partners { grid-template-columns: 1fr; }
  .about__pull { margin-left: 0; max-width: none; }
  .form-row { grid-template-columns: 1fr; }
  .site-footer__top { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
  .about__stats { grid-template-columns: 1fr; gap: var(--space-sm); }
  .hero__title { max-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* Petits écrans (téléphones étroits) */
@media (max-width: 480px) {
  .brand span { display: none; }
  .nav-toggle__text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
  .sectors__grid { grid-template-columns: 1fr; }
  .brands__grid { grid-template-columns: 1fr; }
  .site-footer__top { grid-template-columns: 1fr; gap: var(--space-md); }
  .hero__stamp { display: none; }
}

/* Appareils tactiles — pas de :hover fiable : images un peu plus lisibles,
   le texte des cartes reste visible en permanence (pas de contenu au survol). */
@media (hover: none) {
  .sector-card__media img { filter: grayscale(35%) brightness(0.7); }
  .brand-tile::before { display: none; }
  .brand-tile__name { color: var(--color-text-muted); }
}