/* Servicios grid */
.section-dark {
  background: #4a4a4a;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.services {
  padding: 2.5rem 0;
}
.services h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.4rem, 3.2vw, 2.2rem);
}
.services-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 980px) {
  .services-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .services-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Flip card */
.card {
  perspective: 1000px;
}
.card-inner {
  position: relative;
  width: 100%;
  padding-top: 62%; /* 16:10 ratio */
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}
.card.is-flipped .card-inner {
  transform: rotateY(180deg);
}
.card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 14px;
  overflow: hidden;
}
.card-front {
  background: #222;
}
.card-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.84);
}
.card-front .title {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1rem 1rem;
  color: #fff;
  text-align: center;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.65) 80%
  );
}

/* Back */
.card-back {
  background: radial-gradient(80% 60% at 50% 40%, #1a1c22, #0f1115);
  color: #dfe2e6;
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.card-back h3 {
  margin: 0.2rem 0 0.6rem;
  font-size: 1.05rem;
}
.card-back p {
  margin: 0;
  font-size: 0.95rem;
  color: #c7cbd1;
}

/* Flip trigger (keyboard & touch) */
.card button.flip {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  z-index: 2;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
}
.card:focus-within .card-inner {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* gold accents */
.card-front .title {
  font-weight: 800;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}
.card button.flip {
  border-color: rgba(209, 168, 85, 0.65);
  background: rgba(0, 0, 0, 0.55);
}
.card button.flip:hover {
  background: rgba(209, 168, 85, 0.25);
}
.card-inner {
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.card:hover .card-inner {
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35), 0 0 0 2px #d1a85522;
}
.card-back h3 {
  color: #d1a855;
  letter-spacing: 0.02em;
}
.section-dark h2 {
  color: #f0f0f0;
  border-left: 4px solid #d1a855;
  padding-left: 0.6rem;
}

/* Readability improvements for card back */
.card-back {
  background: linear-gradient(
    180deg,
    rgba(25, 25, 25, 0.92),
    rgba(25, 25, 25, 0.92)
  );
  color: #f1f3f6;
  backdrop-filter: saturate(1.1);
}
.card-back .panel {
  width: 100%;
  max-width: 92%;
  margin: 0 auto;
  padding: 1rem 1rem;
  border: 1px solid rgba(209, 168, 85, 0.35);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35) inset,
    0 8px 18px rgba(0, 0, 0, 0.25);
}
.card-back h3 {
  margin: 0.2rem 0 0.5rem;
  font-size: 1.08rem;
  color: #d1a855;
  letter-spacing: 0.02em;
}
.card-back p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.55;
  color: #eef0f3;
}

.card-back {
  background: rgba(12, 12, 12, 0.85);
  color: #f3f5f7;
}
.card-back h3 {
  color: #d1a855;
  margin: 0.2rem 0 0.5rem;
  font-size: 1.05rem;
}
.card-back p {
  color: #eef0f3;
  line-height: 1.55;
}