/* ============================================================
   Skills panel — replaces the old JS-generated skill tree.
   One scannable panel: category groups, mono chips for the
   tools, and a single line tying each group to shipped work.
   ============================================================ */

.page.skills {
  align-items: center;
  justify-content: center;
  background-color: #1A1A1A;
  perspective: 900px;
}

.page.skills video {
  height: 100%;
  width: auto;
  left: 0;
  transition: transform var(--base-transition-duration) ease;
  transition-delay: var(--base-transition-duration);
}

.skills-panel {
  position: relative;
  z-index: 4;
  box-sizing: border-box;
  width: min(900px, 74vw);
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px 36px 32px;

  color: var(--primary-color);
  background-color: var(--secondary-color);
  border: 1px solid var(--primary-color);
  border-radius: 10px;
  transform: rotateY(4deg);
}

/* Title stamp — same cartouche voice as the rest of the site. */
.skills-title {
  position: relative;
  display: inline-block;
  width: fit-content;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 16px 9px 14px;
  margin: 0 0 4px 0;
  color: var(--primary-color);
  border: 1.5px solid var(--primary-color);
  border-left: 4px solid var(--accent-color);
  border-radius: 2px;
  background: transparent;
}

.skills-intro {
  margin: 8px 0 20px;
  opacity: 0.75;
}

.skill-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 32px;
}

.skill-group {
  border-top: 1px solid color-mix(in srgb, var(--primary-color) 25%, transparent);
  padding-top: 14px;
}

.skill-group h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary-color);
  margin: 0 0 12px 0;
}

/* Slanted accent tick before each group label. */
.skill-group h4::before {
  content: "";
  width: 9px;
  height: 11px;
  background: var(--accent-color);
  transform: skewX(-18deg);
  flex: none;
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 12px 0;
  padding: 0;
}

.skill-chips li {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
  padding: 6px 10px;
  border: 1px solid color-mix(in srgb, var(--primary-color) 50%, transparent);
  border-radius: 3px;
  background: color-mix(in srgb, var(--primary-color) 7%, transparent);
}

.skill-group p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  opacity: 0.8;
}

/* Staggered entrance once the page has swung in. */
.page.skills.visible .skill-group {
  animation: skill-group-in 0.45s cubic-bezier(0.2, 0.9, 0.2, 1) both;
}
.page.skills.visible .skill-group:nth-child(1) { animation-delay: 0.40s; }
.page.skills.visible .skill-group:nth-child(2) { animation-delay: 0.47s; }
.page.skills.visible .skill-group:nth-child(3) { animation-delay: 0.54s; }
.page.skills.visible .skill-group:nth-child(4) { animation-delay: 0.61s; }
.page.skills.visible .skill-group:nth-child(5) { animation-delay: 0.68s; }
.page.skills.visible .skill-group:nth-child(6) { animation-delay: 0.75s; }

@keyframes skill-group-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media screen and (max-width: 767px) {
  .page.skills {
    align-items: flex-end;
  }

  .page.skills video {
    height: 100vh;
    left: 0;
  }

  .skills-panel {
    width: 100vw;
    max-width: 100vw;
    max-height: 82vh;
    align-self: flex-end;
    border: none;
    border-radius: 8px 8px 0 0;
    transform: none;
    padding: 20px 20px 32px;
  }

  .skill-groups {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page.skills.visible .skill-group {
    animation: none;
  }
}