/* Skills */
#skills {
  --skills-glow-rgb: var(--color-dark-teal-rgb);
  position: relative;
  isolation: isolate;
  width: min(1248px, calc(100% - 192px));
  min-height: 0;
  margin: 84px auto 0;
  padding: 18px 20px 12px;
  display: grid;
  grid-template-columns: 520px 1fr;
  gap: 84px;
}

#skills::before {
  content: "";
  position: absolute;
  left: -224px;
  top: 26px;
  width: 688px;
  height: 760px;
  background:
    radial-gradient(
      500px 410px at 8% 46%,
      rgba(var(--skills-glow-rgb), 0.44) 0%,
      rgba(var(--skills-glow-rgb), 0.24) 36%,
      rgba(var(--skills-glow-rgb), 0.08) 58%,
      rgba(var(--skills-glow-rgb), 0) 82%
    ),
    radial-gradient(
      220px 250px at 58% 60%,
      rgba(var(--skills-glow-rgb), 0.12) 0%,
      rgba(var(--skills-glow-rgb), 0) 78%
    );
  filter: blur(16px);
  pointer-events: none;
  z-index: 0;
}

/* Left side */
.skills-left {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 6px 0 18px;
}

/* Background */
.skills-left::before {
  display: none;
}

/* Card content */
.skills-left,
.skills-right,
.skills-kicker,
.skills-card {
  position: relative;
  z-index: 1;
}

.skills-kicker {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--color-accent);
  margin-bottom: 18px;
}

/* Card */
.skills-card {
  border: 1px solid rgba(var(--color-cursor-glow-rgb), 0.8);
  border-radius: 30px;
  background:
    linear-gradient(103deg, rgba(15, 76, 65, 0.72) 0%, rgba(22, 30, 30, 0.92) 56%, rgba(11, 66, 56, 0.54) 100%);
  box-shadow: inset 0 0 0 1px rgba(var(--color-cursor-glow-rgb), 0.06);
  padding: 36px 32px 32px;
  min-height: 504px;
}

.skills-card h2 {
  font-family: var(--font-mono);
  font-size: clamp(56px, 4.2vw, 74px);
  line-height: 0.94;
  letter-spacing: -0.7px;
  color: var(--color-accent);
  margin-bottom: 28px;
}

.skills-card p {
  font-size: 16px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.92);
  max-width: 440px;
}

.skills-card p + h3 {
  margin-top: 30px;
}

.skills-card h3 {
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1.04;
  color: var(--color-white);
  margin-bottom: 16px;
}

.skills-card h3 span {
  color: var(--color-accent);
}

.skills-card .btn {
  margin-top: 30px;
}

.skills-loop-btn {
  position: relative;
  justify-content: center;
  min-height: 44px;
  padding: 8px 24px;
  border-color: rgba(255, 255, 255, 0.9);
  background: transparent;
  color: rgba(255, 255, 255, 0.95);
  transition: background-color 0.45s ease, color 0.45s ease, border-color 0.45s ease, transform 0.2s ease;
}

.skills-loop-btn:hover,
.skills-loop-btn:focus-visible,
.skills-loop-btn.is-looping,
.skills-loop-btn.is-returning {
  transform: none;
  border-color: #76e1da;
  color: #76e1da;
  background: rgba(var(--skills-glow-rgb), 0.32);
}

/* Grid */
.skills-right {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 24px;
  row-gap: 44px;
  align-content: start;
  justify-content: stretch;
  padding: 52px 0 0;
}

/* Skill item */
.skill-item {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  width: 100%;
  min-height: 108px;
  gap: 14px;
  opacity: 0;
  transform: translateY(12px);
  animation: skillReveal 420ms ease-out forwards;
  transition: transform 180ms ease, filter 180ms ease;
}

/* Skill content */
.skill-item > img {
  width: 60px;
  height: 60px;
  display: block;
  object-fit: contain;
  transition: transform 180ms ease;
}

.skill-item span {
  display: block;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.2;
  color: var(--color-white);
  text-align: center;
}

.skill-item:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 0 10px rgba(var(--color-cursor-glow-rgb), 0.28));
}

.skill-item:hover > img {
  transform: scale(1.06);
}

/* Mindset item */
.skill-item-mindset {
  position: relative;
}

/* Tooltip */
.mindset-tooltip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 14px);
  transform: translateX(-50%) translateY(6px);
  min-width: 196px;
  padding: 11px 14px 9px;
  border-radius: 20px;
  border: 2px solid #101010;
  background: #ffffff;
  box-shadow: 0 5px 0 rgba(16, 16, 16, 0.95);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
  z-index: 4;
}

/* Tooltip pointer */
.mindset-tooltip::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  width: 14px;
  height: 14px;
  background: #ffffff;
  border-right: 2px solid #101010;
  border-bottom: 2px solid #101010;
  transform: translateX(-50%) rotate(45deg);
}

/* Tooltip content */
.mindset-tooltip p {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.2;
  color: var(--color-accent);
  text-align: center;
}

.mindset-tooltip-icons {
  margin-top: 8px;
  display: flex;
  justify-content: center;
  gap: 18px;
}

.mindset-tech {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.mindset-tech img {
  width: 26px;
  height: 26px;
}

.mindset-tech span {
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1;
  color: var(--color-accent);
}

.skill-item-mindset:hover .mindset-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Animation delays */
.skills-right .skill-item:nth-child(1) { animation-delay: 0ms; }
.skills-right .skill-item:nth-child(2) { animation-delay: 40ms; }
.skills-right .skill-item:nth-child(3) { animation-delay: 80ms; }
.skills-right .skill-item:nth-child(4) { animation-delay: 120ms; }
.skills-right .skill-item:nth-child(5) { animation-delay: 160ms; }
.skills-right .skill-item:nth-child(6) { animation-delay: 200ms; }
.skills-right .skill-item:nth-child(7) { animation-delay: 240ms; }
.skills-right .skill-item:nth-child(8) { animation-delay: 280ms; }
.skills-right .skill-item:nth-child(9) { animation-delay: 320ms; }
.skills-right .skill-item:nth-child(10) { animation-delay: 360ms; }
.skills-right .skill-item:nth-child(11) { animation-delay: 400ms; }

/* Animation */
@keyframes skillReveal {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .skill-item {
    animation: none;
    opacity: 1;
    transform: none;
    transition: none;
  }

  .skill-item img {
    transition: none;
  }

  .mindset-tooltip {
    transition: none;
  }
}