/* ==========================================================================
   Reset + base typography
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

/* Container + section utilities */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section { padding: 5rem 0; position: relative; }
.section-soft { background: var(--bg-soft); }
.section-eyebrow {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  background: rgba(99,102,241,0.1);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.85rem);
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 640px;
  line-height: 1.6;
}
.section-head { margin-bottom: 3rem; }
.section-head.center { text-align: center; }
.section-head.center .section-subtitle { margin: 0 auto; }

.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@media (max-width: 640px) {
  .section { padding: 3.5rem 0; }
  .section-title { font-size: 1.85rem; }
}

/* ===================== TRUST STRIP ===================== */
.trust-strip {
  padding: 2.4rem 0 2.6rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust-strip-title {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 1.4rem;
}
/* Carrousel infini : ruban qui scroll en boucle. */
.logo-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  /* Fade sur les bords pour effet "scroll dans l'infini". */
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 64px, #000 calc(100% - 64px), transparent 100%);
          mask-image: linear-gradient(to right, transparent 0, #000 64px, #000 calc(100% - 64px), transparent 100%);
}
.logo-carousel-track {
  display: flex;
  align-items: center;
  gap: 3rem;
  width: max-content;
  animation: logo-scroll 40s linear infinite;
  will-change: transform;
}
.logo-carousel:hover .logo-carousel-track {
  animation-play-state: paused;
}
@keyframes logo-scroll {
  from { transform: translateX(0); }
  /* Les 10 premiers + 10 duplicats = on translate de -50% pour boucle sans saut. */
  to   { transform: translateX(-50%); }
}
.trust-logo {
  font-family: var(--font-sans, inherit);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.4rem 0.2rem;
  filter: grayscale(1);
  opacity: 0.7;
  transition: opacity 0.2s ease, filter 0.2s ease, color 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
}
.trust-logo:hover {
  color: var(--text-dark);
  opacity: 1;
  filter: grayscale(0);
  transform: translateY(-1px);
}
@media (max-width: 640px) {
  .logo-carousel-track { gap: 2rem; animation-duration: 30s; }
  .trust-logo { font-size: 0.98rem; }
}
@media (prefers-reduced-motion: reduce) {
  .logo-carousel-track { animation: none; }
  .logo-carousel { -webkit-mask-image: none; mask-image: none; }
  .logo-carousel-track { flex-wrap: wrap; justify-content: center; gap: 1rem 2rem; }
}