/* ============================================================
   AIxH — AI x Humans
   Couleurs charte : #E1F461 / #000000 / #B8B8B8 / #FFFFFF
   Typo : Fraunces (display) · Space Grotesk (texte) · JetBrains Mono (labels)
   Signature : le « × » de AI x Humans
   ============================================================ */


   :root {
  --noir: #000000;
  --acide: #E1F461;
  --gris: #B8B8B8;
  --blanc: #FFFFFF;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.08);
  --ligne: rgba(184, 184, 184, 0.18);
  --ligne-forte: rgba(184, 184, 184, 0.35);
  --display: "Fraunces", serif;
  --texte: "Space Grotesk", sans-serif;
  --mono: "JetBrains Mono", monospace;
  --max: 1180px;
  --header-h: 76px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  background: var(--noir);
  color: var(--blanc);
  font-family: var(--texte);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--acide); color: var(--noir); }

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

a { color: var(--blanc); text-decoration: none; }

/* ---------- Accessibilité ---------- */

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 200;
  background: var(--acide);
  color: var(--noir);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 10px 16px;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 12px; }

:focus-visible {
  outline: 2px solid var(--acide);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 0 clamp(20px, 4vw, 48px);
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--ligne);
}

.brand { flex-shrink: 0; }
.brand img { height: 36px; width: auto; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.site-nav > a,
.nav-service-button {
  font-family: var(--texte);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gris);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 0;
  position: relative;
  transition: color 0.18s ease;
}

.site-nav > a:hover,
.nav-service-button:hover { color: var(--blanc); }

.site-nav > a[aria-current="page"] { color: var(--acide); }
.site-nav > a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--acide);
}

/* Dropdown Services */

.nav-dropdown { position: relative; }

.nav-service-button::after {
  content: "↓";
  font-family: var(--mono);
  font-size: 0.7rem;
  margin-left: 7px;
  color: var(--acide);
  display: inline-block;
  transition: transform 0.18s ease;
}
.nav-service-button[aria-expanded="true"]::after { transform: rotate(180deg); }
.nav-service-button.is-active { color: var(--acide); }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: -20px;
  min-width: 280px;
  background: var(--noir);
  border: 1px solid var(--ligne-forte);
  padding: 8px;
  display: none;
  flex-direction: column;
}
.dropdown-menu.is-open { display: flex; }

.dropdown-menu a {
  font-size: 0.95rem;
  color: var(--gris);
  padding: 12px 16px;
  transition: color 0.15s ease, background 0.15s ease, padding-left 0.15s ease;
}
.dropdown-menu a::before {
  content: "× ";
  color: var(--acide);
  font-family: var(--mono);
  font-size: 0.8rem;
}
.dropdown-menu a:hover,
.dropdown-menu a[aria-current="page"] {
  color: var(--blanc);
  background: var(--surface);
  padding-left: 22px;
}

.nav-cta {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  background: var(--acide);
  color: var(--noir);
  padding: 12px 22px;
  border: 1px solid var(--acide);
  transition: background 0.18s ease, color 0.18s ease;
}
.nav-cta:hover { background: transparent; color: var(--acide); }

/* Burger mobile */

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--ligne-forte);
  cursor: pointer;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--blanc);
  margin: 0 auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }

/* ---------- Structure ---------- */

main { padding-top: var(--header-h); }

.section { padding: clamp(72px, 9vw, 130px) clamp(20px, 4vw, 48px); }

.section-alt {
  border-top: 1px solid var(--ligne);
  border-bottom: 1px solid var(--ligne);
  background:
    radial-gradient(ellipse 80% 60% at 70% 0%, rgba(225, 244, 97, 0.04), transparent 60%),
    var(--surface);
}

.section-inner { max-width: var(--max); margin: 0 auto; }

.section-head { margin-bottom: clamp(40px, 5vw, 64px); }

/* Eyebrow — signature × */

.eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--acide);
  margin-bottom: 18px;
}
.eyebrow::before { content: "× "; }

/* Titres */

h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.08; }

h1 {
  font-size: clamp(2.6rem, 6.5vw, 5rem);
  letter-spacing: -0.015em;
}
h1 span {
  font-style: italic;
  color: var(--acide);
}

h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  letter-spacing: -0.01em;
}

h3 { font-size: 1.35rem; line-height: 1.25; }

p { color: var(--gris); }
p strong { color: var(--blanc); }

/* ---------- Hero (accueil) ---------- */

.hero {
  min-height: calc(92vh - var(--header-h));
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "×";
  position: absolute;
  right: -4%;
  top: 50%;
  transform: translateY(-52%);
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(340px, 58vmin, 760px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(225, 244, 97, 0.14);
  pointer-events: none;
  user-select: none;
}

.hero-inner { position: relative; z-index: 1; }

.hero-copy {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  margin-top: 28px;
  max-width: 38ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 44px;
}

/* ---------- Boutons & liens ---------- */

.button-primary,
.button-secondary {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 16px 30px;
  border: 1px solid var(--acide);
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.button-primary { background: var(--acide); color: var(--noir); }
.button-primary:hover { background: transparent; color: var(--acide); transform: translateY(-2px); }
.button-secondary { background: transparent; color: var(--acide); }
.button-secondary:hover { background: var(--acide); color: var(--noir); transform: translateY(-2px); }

.text-link {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--acide);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.18s ease;
}
.text-link:hover { border-color: var(--acide); }

/* ---------- Marquee clients ---------- */

.marquee {
  border-top: 1px solid var(--ligne);
  border-bottom: 1px solid var(--ligne);
  overflow: hidden;
  padding: 22px 0;
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: defile 46s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gris);
  white-space: nowrap;
}
.marquee-track span::after {
  content: "×";
  color: var(--acide);
  margin: 0 28px;
}
@keyframes defile {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Bandeau borné à la grille des sections */
.marquee-section { padding-top: 0; padding-bottom: 0; }

/* ---------- Grilles de cartes ---------- */

.card-grid { display: grid; gap: 24px; }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }

.service-card,
.feature-card,
.case-card,
.format-card,
.reference-card,
.team-card {
  background: var(--surface);
  border: 1px solid var(--ligne);
  padding: clamp(26px, 3vw, 38px);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.service-card:hover,
.feature-card:hover,
.case-card:hover,
.format-card:hover,
.reference-card:hover,
.team-card:hover {
  border-color: rgba(225, 244, 97, 0.5);
  background: var(--surface-2);
  transform: translateY(-4px);
}

.service-card h3,
.feature-card h3,
.format-card h3,
.reference-card h3 { margin-bottom: 14px; }

.service-card p,
.feature-card p,
.format-card p,
.reference-card p { font-size: 0.98rem; }

.feature-card p + p,
.case-card p + p { margin-top: 12px; }

.service-card .text-link { margin-top: 22px; }

.card-mark {
  font-family: var(--mono);
  font-size: 1.3rem;
  color: var(--acide);
  margin-bottom: 22px;
}

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-grid.two { grid-template-columns: repeat(2, 1fr); }

.format-grid,
.reference-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* ---------- Cas clients ---------- */

.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.case-card { border-left: 3px solid var(--acide); }
.case-card .eyebrow { margin-bottom: 12px; font-size: 0.68rem; }
.case-card h3 { margin-bottom: 16px; }
.case-card strong { color: var(--acide); }

/* ---------- Table de références ---------- */

.reference-table { border-top: 1px solid var(--ligne-forte); }
.reference-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  padding: 20px 6px;
  border-bottom: 1px solid var(--ligne);
  transition: background 0.15s ease, padding-left 0.15s ease;
}
.reference-row:hover { background: var(--surface); padding-left: 14px; }
.reference-row strong { font-family: var(--display); font-size: 1.15rem; font-weight: 700; }
.reference-row span {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gris);
  text-align: right;
}

/* ---------- Split / stats ---------- */

.split-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
}

.statement {
  font-family: var(--display);
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--blanc);
  margin-bottom: 28px;
}
.statement span { font-style: italic; color: var(--acide); }

.check-list { list-style: none; border-top: 1px solid var(--ligne-forte); }
.check-list li {
  padding: 16px 4px;
  border-bottom: 1px solid var(--ligne);
  color: var(--gris);
}
.check-list li::before {
  content: "×";
  font-family: var(--mono);
  color: var(--acide);
  margin-right: 14px;
}

.clients-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 5vw, 70px);
  align-items: center;
}

.clients-lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--blanc);
  max-width: 32ch;
  margin-bottom: 26px;
}
.client-names { display: flex; flex-wrap: wrap; gap: 12px; align-content: flex-start; }
.client-names span {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--gris);
  border: 1px solid var(--ligne);
  padding: 10px 16px;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.client-names span:hover { color: var(--blanc); border-color: rgba(225, 244, 97, 0.5); }

.stat-card {
  background: var(--acide);
  color: var(--noir);
  padding: clamp(30px, 3.4vw, 44px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
}
.stat-card strong {
  font-family: var(--display);
  font-size: clamp(4.5rem, 8vw, 7rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.02em;
}
.stat-card p { color: var(--noir); font-weight: 500; font-size: 1.05rem; }
.stat-card p span {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 8px;
  opacity: 0.75;
}
.stat-card .text-link { color: var(--noir); border-bottom: 1px solid var(--noir); }
.stat-card .text-link:hover { opacity: 0.7; }

/* KPIs (carte jaune, plusieurs chiffres) */
.stat-card .kpi-list { list-style: none; display: flex; flex-direction: column; gap: clamp(20px, 2.4vw, 30px); }
.stat-card .kpi { display: flex; align-items: baseline; gap: 16px; }
.stat-card .kpi strong {
  font-family: var(--display);
  font-size: clamp(2.6rem, 4.4vw, 3.6rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--noir);
}
.stat-card .kpi span { display: flex; flex-direction: column; color: var(--noir); font-weight: 500; font-size: 1rem; }
.stat-card .kpi em {
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 6px;
  opacity: 0.75;
}

/* ---------- Équipe ---------- */

.initials {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--acide);
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border: 1px solid rgba(225, 244, 97, 0.45);
  border-radius: 50%;
}

.team-card .initials { margin-bottom: 24px; }
/* Photos équipe (accueil) */
.team-card .team-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
  border-radius: 4px;
  margin-bottom: 24px;
}
.team-card h3 { margin-bottom: 4px; }
.team-card .role {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--acide);
  margin-bottom: 14px;
}
.team-card p:last-child { font-size: 0.98rem; }

.profile-list { display: flex; flex-direction: column; gap: 28px; }

.profile-card {
  display: flex;
  gap: clamp(24px, 3.4vw, 44px);
  background: var(--surface);
  border: 1px solid var(--ligne);
  padding: clamp(28px, 3.6vw, 48px);
}
.profile-card h2 { font-size: clamp(1.5rem, 2.4vw, 1.9rem); margin-bottom: 6px; }
/* Photo de profil (page équipe) */
.profile-card .profile-photo {
  flex: 0 0 clamp(140px, 18vw, 190px);
  width: clamp(140px, 18vw, 190px);
  aspect-ratio: 720 / 1024;
  object-fit: cover;
  display: block;
  border-radius: 4px;
  align-self: flex-start;
}
.profile-card .subtitle {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--acide);
  margin-bottom: 20px;
}
.profile-card p + p { margin-top: 10px; }
.profile-card a {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--acide);
}
.profile-card a:hover { text-decoration: underline; }

/* ---------- Pages internes ---------- */

.page-hero { padding-top: clamp(56px, 7vw, 96px); padding-bottom: clamp(40px, 5vw, 72px); }

.breadcrumb {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--gris);
  margin-bottom: 28px;
}
.breadcrumb a { color: var(--gris); }
.breadcrumb a:hover { color: var(--acide); }
.breadcrumb span { color: var(--blanc); }

.page-lead {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  margin-top: 26px;
  max-width: 52ch;
}

.text-block { max-width: 62ch; }
.text-block p { font-size: clamp(1.05rem, 1.4vw, 1.2rem); }
.text-block p + p { margin-top: 18px; }
.text-block p:first-child { color: var(--blanc); }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: start;
}
.two-col .section-head { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 32px); }

/* ---------- Étapes (audit IA) ---------- */

.step-list { display: flex; flex-direction: column; }

.step-card {
  display: flex;
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(28px, 3.4vw, 44px) 8px;
  border-bottom: 1px solid var(--ligne);
  transition: background 0.15s ease;
}
.step-card:first-child { border-top: 1px solid var(--ligne-forte); }
.step-card:hover { background: var(--surface); }
.step-card h3 { margin-bottom: 10px; }
.step-card p + p { margin-top: 8px; }

.step-number {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--acide);
  flex-shrink: 0;
  width: 56px;
  padding-top: 6px;
}
.step-number::after { content: " ×"; opacity: 0.5; }

/* ---------- Bloc garanties ---------- */

.warning-block {
  border: 1px solid rgba(225, 244, 97, 0.45);
  background: rgba(225, 244, 97, 0.05);
  padding: clamp(28px, 3.6vw, 48px);
  max-width: 760px;
}
.warning-block p + p { margin-top: 14px; }
.warning-block p:last-child { color: var(--blanc); font-weight: 500; }

/* ---------- CTA de page ---------- */

.page-cta { text-align: center; max-width: 820px; }
.page-cta h2 { margin-bottom: 36px; }

.section-link { margin-top: 44px; text-align: center; }

/* ---------- Contact ---------- */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: start;
}

.contact-copy p { margin-top: 20px; }

.contact-info { display: flex; flex-direction: column; gap: 8px; margin-top: 32px; }
.contact-info a { font-family: var(--mono); font-size: 0.95rem; color: var(--acide); }
.contact-info a:hover { text-decoration: underline; }
.contact-info span {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--gris);
}

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

.contact-form label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gris);
  margin-top: 14px;
}
.contact-form label:first-child { margin-top: 0; }

.contact-form input,
.contact-form textarea {
  background: var(--surface);
  border: 1px solid var(--ligne-forte);
  color: var(--blanc);
  font-family: var(--texte);
  font-size: 1rem;
  padding: 14px 16px;
  transition: border-color 0.15s ease;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--acide);
}
.contact-form textarea { resize: vertical; min-height: 150px; }

.contact-form button {
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 0.85rem;
  background: var(--acide);
  color: var(--noir);
  border: 1px solid var(--acide);
  padding: 16px 30px;
  cursor: pointer;
  align-self: flex-start;
  transition: background 0.18s ease, color 0.18s ease;
}
.contact-form button:hover:not(:disabled) { background: transparent; color: var(--acide); }
.contact-form button:disabled { opacity: 0.55; cursor: wait; }

/* Honeypot : champ invisible pour les humains */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-note {
  font-size: 0.95rem;
  margin-top: 16px;
  padding: 14px 16px;
  display: none;
}
.form-note.is-visible { display: block; }
.form-note.success {
  color: var(--noir);
  background: var(--acide);
  font-weight: 500;
}
.form-note.error {
  color: var(--blanc);
  border: 1px solid var(--ligne-forte);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--ligne);
  padding: clamp(56px, 7vw, 90px) clamp(20px, 4vw, 48px) 48px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: clamp(32px, 4vw, 56px);
  max-width: calc(var(--max) + 96px);
  margin: 0 auto;
}

.footer-logo { display: inline-block; margin-bottom: 18px; }
.footer-logo img { height: 28px; width: auto; }

.site-footer p {
  font-size: 0.88rem;
  color: var(--gris);
  margin-top: 4px;
}

.footer-title {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blanc);
  margin-bottom: 16px;
}
.footer-title::before { content: "× "; color: var(--acide); }

.site-footer a:not(.footer-logo) {
  display: block;
  font-size: 0.92rem;
  color: var(--gris);
  padding: 5px 0;
  transition: color 0.15s ease;
}
.site-footer a:not(.footer-logo):hover { color: var(--acide); }

.footer-legal {
  grid-column: 1 / -1;
  border-top: 1px solid var(--ligne);
  margin-top: 24px;
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-legal a {
  font-family: var(--mono);
  font-size: 0.72rem !important;
  letter-spacing: 0.06em;
}

/* ---------- Page 404 ---------- */

.page-404 {
  min-height: calc(80vh - var(--header-h));
  display: flex;
  align-items: center;
  text-align: center;
}
.page-404 .section-inner { width: 100%; }
.page-404 .glyph {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(6rem, 16vw, 12rem);
  color: var(--acide);
  line-height: 1;
}
.page-404 h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); margin: 24px 0 16px; }
.page-404 .hero-actions { justify-content: center; }

/* ---------- Pages légales ---------- */

.legal-block { max-width: 70ch; }
.legal-block h2 { font-size: 1.4rem; margin: 36px 0 12px; }
.legal-block p + p { margin-top: 12px; }

/* ---------- Animations reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.3, 1), transform 0.7s cubic-bezier(0.2, 0.7, 0.3, 1);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; flex-wrap: wrap; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .card-grid.three,
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .hero::after { font-size: 46vmin; opacity: 0.7; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--noir);
    border-bottom: 1px solid var(--ligne-forte);
    padding: 12px clamp(20px, 4vw, 48px) 28px;
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav > a,
  .nav-service-button {
    padding: 16px 0;
    border-bottom: 1px solid var(--ligne);
    font-size: 1.05rem;
    text-align: left;
    width: 100%;
  }
  .dropdown-menu {
    position: static;
    border: none;
    background: var(--surface);
    min-width: 0;
  }

  .split-layout,
  .clients-layout,
  .contact-layout,
  .two-col { grid-template-columns: 1fr; }
  .two-col .section-head { position: static; margin-bottom: 32px; }

  .case-grid,
  .format-grid,
  .reference-grid,
  .feature-grid.two { grid-template-columns: 1fr; }

  .site-footer { grid-template-columns: 1fr 1fr; }

  .profile-card { flex-direction: column; }

  .reference-row { flex-direction: column; gap: 4px; }
  .reference-row span { text-align: left; }
}

@media (max-width: 600px) {
  .card-grid.three,
  .feature-grid { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr; }
  .brand img { height: 30px; width: auto; }
  .hero::after { display: none; }
}