/* ═══════════════════════════════════════════════════════════════════
   ZenithStruct Ambition Section — Dark Scintillant Edition
   ═══════════════════════════════════════════════════════════════════ */

.zenith-ambition-section {
  width: 100%;
  background-color: #060709;
  color: #ffffff;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
  position: relative;
  overflow: hidden;
  padding: 100px 32px 0;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 560px;
}

/* Background Cosmic Star Dust Arc */
.zenith-star-dust {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: 
    radial-gradient(1.5px 1.5px at 15% 45%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 25% 65%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(2px 2px at 38% 55%, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(1.5px 1.5px at 52% 48%, rgba(255, 255, 255, 0.75), transparent),
    radial-gradient(1px 1px at 68% 42%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(2px 2px at 78% 38%, rgba(255, 255, 255, 0.85), transparent),
    radial-gradient(1.5px 1.5px at 88% 32%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 94% 25%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(ellipse 65% 35% at 55% 55%, rgba(45, 55, 75, 0.18), transparent 70%);
  opacity: 0.95;
}

.zenith-dust-svg {
  position: absolute;
  bottom: 60px;
  left: 0;
  width: 100%;
  height: 260px;
  pointer-events: none;
  opacity: 0.45;
}

.zenith-ambition-content {
  max-width: 1360px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

/* Heading: Des idées ambitieuses / Une ingénierie à leur hauteur. */
.zenith-ambition-title {
  font-family: 'Inter', sans-serif !important;
  font-size: clamp(2.4rem, 4.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.035em;
  color: #ffffff;
  margin: 0 0 24px 0;
  max-width: 900px;
}

.zenith-ambition-title span {
  display: block;
}

/* Subtitle */
.zenith-ambition-sub {
  font-family: 'Inter', sans-serif !important;
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  font-weight: 400;
  line-height: 1.6;
  color: #9ea3ae;
  margin: 0 0 36px 0;
  max-width: 620px;
}

/* CTA Button */
.zenith-ambition-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  color: #000000 !important;
  font-family: 'Inter', sans-serif !important;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 4px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

.zenith-ambition-btn:hover {
  background-color: #f0f0f2;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.18);
}

/* ═══════════════════════════════════════════════════════════════════
   ZenithStruct — Giant, Bold, Clipped & Scintillant (Inter Display)
   ═══════════════════════════════════════════════════════════════════ */

.zenith-cut-stage {
  width: 100%;
  position: relative;
  margin-top: 60px;
  overflow: hidden;
  height: clamp(90px, 18vw, 210px);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  user-select: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

/* Shimmer Light Sweep Animation */
@keyframes zenithGleam {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Star Twinkle Animation */
@keyframes starPulse {
  0%, 100% {
    opacity: 0.15;
    transform: scale(0.6) rotate(0deg);
  }
  50% {
    opacity: 1;
    transform: scale(1.4) rotate(90deg);
  }
}

.zenith-scintillant-text {
  font-family: 'Inter Display', 'Inter', -apple-system, sans-serif !important;
  font-size: clamp(5rem, 18vw, 17.5rem);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 0.76;
  margin: 0;
  padding: 0;
  text-align: center;
  display: inline-block;
  white-space: nowrap;
  
  /* Scintillant metallic gradient */
  background: linear-gradient(
    115deg,
    #131417 0%,
    #1a1c22 20%,
    #2a2e38 35%,
    #585e6e 45%,
    #ffffff 50%,
    #8f96a6 55%,
    #2a2e38 65%,
    #1a1c22 80%,
    #131417 100%
  );
  background-size: 220% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: zenithGleam 4.5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  
  /* Luminous aura */
  filter: drop-shadow(0 0 35px rgba(255, 255, 255, 0.08));
  position: relative;
}

/* Floating Sparkle Stars */
.zenith-sparkle {
  position: absolute;
  pointer-events: none;
  color: #ffffff;
  animation: starPulse 2.8s ease-in-out infinite;
}

.zenith-sparkle-1 {
  top: 15%;
  left: 22%;
  animation-delay: 0s;
}

.zenith-sparkle-2 {
  top: 25%;
  left: 48%;
  animation-delay: 1.1s;
}

.zenith-sparkle-3 {
  top: 10%;
  left: 74%;
  animation-delay: 1.8s;
}

.zenith-sparkle-4 {
  top: 30%;
  left: 88%;
  animation-delay: 0.6s;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .zenith-ambition-section {
    padding: 70px 20px 0;
    min-height: 480px;
  }
  .zenith-ambition-title {
    font-size: 2.1rem;
  }
  .zenith-cut-stage {
    height: 110px;
    margin-top: 40px;
  }
  .zenith-scintillant-text {
    font-size: clamp(3.8rem, 19vw, 6.5rem);
    line-height: 0.8;
  }
}