/* =============================================
   SKILLS PAGE
   ============================================= */
main {
  padding: 100px 20px 60px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

main h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  background: linear-gradient(90deg, #10B981, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-transform: uppercase;
  letter-spacing: 2px;
}

main h1::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #10B981, #F97316);
  border-radius: 2px;
  margin: 12px auto 40px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 20px;
  padding: 0 10px;
}

.skill-card {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  padding: 28px 16px 20px;
  text-align: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

/* Gradient glow behind card on hover */
.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background: radial-gradient(ellipse at center, rgba(16, 185, 129, 0.12), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.skill-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.skill-card:hover {
  border-color: rgba(16, 185, 129, 0.35);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(16, 185, 129, 0.12);
  transform: translateY(-8px) perspective(600px) rotateX(4deg);
}

.skill-card:hover::before {
  opacity: 1;
}

.skill-card img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin-bottom: 14px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    filter 0.3s ease;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.skill-card i {
  display: block;
  color: #10B981;
  margin-bottom: 14px;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    color 0.3s ease, text-shadow 0.3s ease;
}

.skill-card:hover img {
  transform: scale(1.2) rotate(-5deg);
  filter: drop-shadow(0 4px 16px rgba(16, 185, 129, 0.4));
}

.skill-card:hover i {
  transform: scale(1.2) rotate(-5deg);
  color: #F97316;
  text-shadow: 0 0 20px rgba(249, 115, 22, 0.5);
}

.skill-card h3 {
  font-size: 0.85rem;
  font-weight: 600;
  color: #94A3B8;
  margin: 0;
  letter-spacing: 0.3px;
  transition: color 0.25s ease;
}

.skill-card:hover h3 {
  color: #F1F5F9;
}

/* Light mode overrides */
.light-mode .skill-card {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 0, 0, 0.06);
}

.light-mode .skill-card:hover {
  border-color: rgba(15, 118, 110, 0.4);
}

.light-mode .skill-card h3 {
  color: #374151;
}

.light-mode .skill-card:hover h3 {
  color: #111827;
}