/* ============================================
   Tech Stack Page — Thest.io
   Cauchy-inspired: clean tech card grid
   ============================================ */

/* ---- Tech Cards ---- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.tech-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

@media (hover: hover) {
  .tech-card:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-md);
  }
}

.tech-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 150, 105, 0.08);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
}

.tech-card__icon svg {
  width: 28px;
  height: 28px;
}

.tech-card__icon--logo {
  width: auto;
  height: 36px;
  background: none;
  border-radius: 0;
  color: var(--color-text-muted);
}

.tech-card__icon--logo img {
  height: 36px;
  width: auto;
  display: block;
}

.tech-card__icon--duo {
  display: flex;
  gap: var(--space-sm);
}

.tech-card__icon--duo img {
  height: 30px;
}

.tech-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xs);
}

.tech-card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-md);
}

.tech-card > p {
  font-size: var(--font-size-sm);
  color: var(--color-copy);
  margin-bottom: var(--space-lg);
  line-height: var(--line-height-base);
}

.tech-card__features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tech-card__features li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-copy);
}

.tech-card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 5px;
  height: 5px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ---- Approach Section ---- */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.approach-item {
  text-align: center;
  padding: var(--space-xl);
  border-top: 2px solid var(--color-border-strong);
}

.approach-item h3 {
  font-size: var(--font-size-lg);
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.approach-item p {
  font-size: var(--font-size-sm);
  color: var(--color-copy);
  margin: 0;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .approach-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .tech-grid,
  .approach-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .tech-card {
    padding: var(--space-lg);
  }
}