/* Case study cards — shared by /ai and home #work */

.work-section.ai-proof,
.ai-page .ai-proof {
  background: #07090d;
  color: var(--on-surface-inverse);
}

.ai-proof {
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: 0;
}

.ai-proof__intro {
  width: 100%;
  max-width: none;
  padding: 0 var(--gutter) clamp(20px, 3vw, 36px);
  margin-bottom: 0;
}

.work-section.ai-proof .ai-proof__intro {
  padding-top: clamp(48px, 7vw, 80px);
}

.ai-proof__intro .eyebrow {
  display: block;
  margin-bottom: clamp(16px, 2.5vw, 24px);
}

.ai-proof__intro .section-headline {
  max-width: none;
  margin-bottom: clamp(20px, 3vw, 28px);
  color: var(--on-surface-inverse);
}

.ai-proof__dek {
  max-width: min(52rem, 100%);
  color: rgba(247, 250, 252, 0.86);
}

.ai-proof__cases {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(32px, 5vw, 72px);
  width: 100%;
  padding: clamp(8px, 2vw, 16px) var(--gutter) clamp(48px, 8vw, 96px);
}

.ai-case-card {
  min-width: 0;
  height: 100%;
}

@keyframes ai-case-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.ai-case-card__shell {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: 16px;
  border: none;
  background: rgba(10, 14, 20, 0.94);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.32),
    0 0 28px rgba(48, 199, 232, 0.16),
    0 0 56px rgba(48, 199, 232, 0.1),
    0 0 96px rgba(48, 199, 232, 0.06);
  transition: box-shadow 0.25s ease;
}

.ai-case-card:hover .ai-case-card__shell {
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.36),
    0 0 40px rgba(48, 199, 232, 0.24),
    0 0 72px rgba(48, 199, 232, 0.16),
    0 0 120px rgba(48, 199, 232, 0.1);
}

.ai-case-card__visual {
  position: relative;
  margin: clamp(14px, 2vw, 18px) clamp(14px, 2vw, 18px) 0;
  aspect-ratio: 4 / 3;
  min-height: 200px;
  border-radius: 12px;
  padding: 0;
  overflow: hidden;
  background: #07090d;
  box-shadow: 0 0 20px rgba(48, 199, 232, 0.14);
}

.ai-case-card:hover .ai-case-card__visual {
  box-shadow: 0 0 28px rgba(48, 199, 232, 0.22);
}

.ai-case-card__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: 12px;
  pointer-events: none;
  opacity: 0.1;
  background-image:
    linear-gradient(90deg, rgba(255, 255, 255, 0.35) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.35) 1px, transparent 1px);
  background-size: 15px 15px;
}

.ai-case-card__wave {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  display: block;
}

.ai-case-card__photo {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
  border-radius: 12px;
  overflow: hidden;
}

.ai-case-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ai-case-card__divider {
  height: 1px;
  margin-top: clamp(14px, 2vw, 18px);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
}

.ai-case-card__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(14px, 2vw, 18px);
  flex: 1;
  padding: clamp(16px, 2.5vw, 22px) clamp(18px, 2.5vw, 24px) clamp(20px, 3vw, 26px);
  border-radius: 0 0 15px 15px;
}

.ai-case-card__title {
  margin: 0;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--on-surface-inverse);
}

.ai-case-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(247, 250, 252, 0.78);
}

.ai-case-card__cta {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--tertiary);
  background: rgba(48, 199, 232, 0.08);
  border: none;
  border-radius: 10px;
  box-shadow: 0 0 18px rgba(48, 199, 232, 0.12);
  backdrop-filter: blur(8px);
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.ai-case-card__cta::after {
  content: ' →';
}

.ai-case-card__cta:hover {
  background: var(--tertiary);
  color: var(--azul-deep-navy);
  box-shadow: 0 0 28px rgba(48, 199, 232, 0.35);
}

@media (prefers-reduced-motion: no-preference) {
  .ai-case-card__shell {
    animation: ai-case-float 7s ease-in-out infinite;
  }

  .ai-case-card:nth-child(2) .ai-case-card__shell {
    animation-delay: -3.5s;
  }

  .ai-case-card:nth-child(3) .ai-case-card__shell {
    animation-delay: -1.75s;
  }

  .ai-case-card:nth-child(4) .ai-case-card__shell {
    animation-delay: -5.25s;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-case-card__shell {
    animation: none;
  }

  .ai-case-card__wave {
    display: none;
  }
}

@media (max-width: 900px) {
  .ai-proof__cases {
    grid-template-columns: 1fr;
    gap: clamp(48px, 10vw, 72px);
  }
}