/* Skills Section - Minimalist Monochrome Design */
.skills-section {
  width: 100%;
  min-height: 100vh;
  background: #0a0a0a;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem;
  position: relative;
  overflow: hidden;
}

.skills-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 20% 30%,
      rgba(255, 105, 180, 0.03) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(255, 20, 147, 0.03) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.skills-container {
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.skills-header {
  text-align: center;
  margin-bottom: 4rem;
}

.skills-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #e0e0e0;
  margin-bottom: 0.8rem;
  letter-spacing: 0.03em;
}

.gradient-text {
  background: linear-gradient(135deg, #ff69b4, #ff1493);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 400;
}

.skills-subtitle {
  font-size: 0.9rem;
  color: #666;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* Skill Description Box */
.skill-description-box {
  background: linear-gradient(
    135deg,
    rgba(20, 20, 20, 0.6),
    rgba(30, 30, 30, 0.6)
  );
  border: 1px solid rgba(255, 105, 180, 0.1);
  border-radius: 16px;
  padding: 2rem 2.5rem;
  margin: 0 auto 3rem;
  text-align: center;
  backdrop-filter: blur(20px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  max-width: 900px;
  width: 100%;
}

.skill-display-name {
  font-size: 1.8rem;
  font-weight: 700;
  color: #e0e0e0;
  margin-bottom: 0.8rem;
  transition: all 0.4s ease;
  letter-spacing: 0.05em;
}

.skill-display-description {
  font-size: 1rem;
  color: #aaa;
  line-height: 1.8;
  max-width: 700px;
  transition: all 0.4s ease;
  font-weight: 300;
}

.skill-description-box.active {
  background: linear-gradient(
    135deg,
    rgba(255, 105, 180, 0.08),
    rgba(255, 20, 147, 0.08)
  );
  border-color: rgba(255, 105, 180, 0.3);
  box-shadow: 0 8px 32px rgba(255, 105, 180, 0.2);
  transform: translateY(-2px);
}

.skill-description-box.active .skill-display-name {
  color: #ff69b4;
  transform: scale(1.02);
}

.skill-description-box.active .skill-display-description {
  color: #e0e0e0;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  padding: 1rem 0;
  max-width: 900px;
  margin: 0 auto;
}

.skill-card {
  position: relative;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 105, 180, 0.1);
  border-radius: 12px;
  padding: 2rem 1rem;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.skill-background {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200%;
  height: 200%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.4s ease;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(30px);
  opacity: 0.3;
}

.skill-card:hover .skill-background {
  transform: translate(-50%, -50%) scale(1);
}

.skill-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.02);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.skill-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.skill-icon {
  font-size: 3rem;
  transition: all 0.3s ease;
  filter: grayscale(60%);
}

.skill-card:hover .skill-icon {
  transform: translateY(-5px);
  filter: grayscale(0%);
}

.skill-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: #999;
  text-align: center;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
}

.skill-card:hover .skill-name {
  color: #ff69b4;
}

/* Individual Skill Colors - Subtle Monochrome with Original Color Hints */
.php-card .skill-icon {
  color: #777bb3;
}
.php-card .skill-background {
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.05) 0%,
    transparent 70%
  );
}
.php-card:hover {
  border-color: rgba(119, 123, 180, 0.3);
  box-shadow: 0 8px 24px rgba(119, 123, 180, 0.1);
}

.mysql-card .skill-icon {
  color: #00758f;
}
.mysql-card .skill-background {
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.05) 0%,
    transparent 70%
  );
}
.mysql-card:hover {
  border-color: rgba(0, 117, 143, 0.3);
  box-shadow: 0 8px 24px rgba(0, 117, 143, 0.1);
}

.css-card .skill-icon {
  color: #264de4;
}
.css-card .skill-background {
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.05) 0%,
    transparent 70%
  );
}
.css-card:hover {
  border-color: rgba(38, 77, 228, 0.3);
  box-shadow: 0 8px 24px rgba(38, 77, 228, 0.1);
}

.html-card .skill-icon {
  color: #e34f26;
}
.html-card .skill-background {
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.05) 0%,
    transparent 70%
  );
}
.html-card:hover {
  border-color: rgba(227, 79, 38, 0.3);
  box-shadow: 0 8px 24px rgba(227, 79, 38, 0.1);
}

.js-card .skill-icon {
  color: #f7df1e;
}
.js-card .skill-background {
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.05) 0%,
    transparent 70%
  );
}
.js-card:hover {
  border-color: rgba(247, 223, 30, 0.3);
  box-shadow: 0 8px 24px rgba(247, 223, 30, 0.1);
}

.python-card .skill-icon {
  color: #3776ab;
}
.python-card .skill-background {
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.05) 0%,
    transparent 70%
  );
}
.python-card:hover {
  border-color: rgba(55, 118, 171, 0.3);
  box-shadow: 0 8px 24px rgba(55, 118, 171, 0.1);
}

.github-card .skill-icon {
  color: #e0e0e0;
}
.github-card .skill-background {
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.05) 0%,
    transparent 70%
  );
}
.github-card:hover {
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.1);
}

.figma-card .skill-icon {
  color: #f24e1e;
}
.figma-card .skill-background {
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.05) 0%,
    transparent 70%
  );
}
.figma-card:hover {
  border-color: rgba(242, 78, 30, 0.3);
  box-shadow: 0 8px 24px rgba(242, 78, 30, 0.1);
}

.skill-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 105, 180, 0.05);
  border-color: rgba(255, 105, 180, 0.3);
  box-shadow: 0 8px 24px rgba(255, 105, 180, 0.15);
}

/* Scroll Animations */
.skills-header,
.skill-description-box,
.skill-card {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.skills-header.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.skill-description-box.animate-in {
  opacity: 1;
  transform: translateY(0);
}

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

.skill-card.animate-in .skill-icon {
  animation: iconPop 0.5s ease-out 0.2s backwards;
}

@keyframes iconPop {
  0% {
    transform: scale(0.5);
    opacity: 0;
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .skills-title {
    font-size: 2.2rem;
  }

  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 1.2rem;
  }
}

@media (max-width: 768px) {
  .skills-section {
    padding: 4rem 1.5rem;
  }

  .skills-header {
    margin-bottom: 3rem;
  }

  .skills-title {
    font-size: 2rem;
  }

  .skills-subtitle {
    font-size: 0.85rem;
  }

  .skills-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }

  .skill-card {
    padding: 1.5rem 0.8rem;
  }

  .skill-icon {
    font-size: 2.5rem;
  }

  .skill-name {
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .skills-title {
    font-size: 1.8rem;
  }

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

  .skill-icon {
    font-size: 2.8rem;
  }

  .skill-card {
    padding: 1.8rem 1rem;
  }
}