/* =====================
   Skills Section - Enhanced Professional Design with Animations
====================== */
#skills {
  background: linear-gradient(135deg, #0a1828 0%, #101820 50%, #16222a 100%);
  padding: 5rem 0 4rem 0;
  position: relative;
  overflow: hidden;
}

#skills::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 25% 75%,
      rgba(127, 255, 166, 0.12) 0%,
      transparent 60%
    ),
    radial-gradient(
      circle at 75% 25%,
      rgba(46, 204, 64, 0.08) 0%,
      transparent 60%
    ),
    linear-gradient(
      45deg,
      transparent 30%,
      rgba(127, 255, 166, 0.03) 50%,
      transparent 70%
    );
  animation: aboutAura 15s ease-in-out infinite alternate;
  z-index: 0;
}

@keyframes aboutAura {
  0% {
    opacity: 0.6;
    transform: rotate(0deg) scale(1);
  }
  50% {
    opacity: 0.9;
    transform: rotate(2deg) scale(1.05);
  }
  100% {
    opacity: 0.7;
    transform: rotate(-1deg) scale(1.02);
  }
}

.skills-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

.skills-container h2 {
  text-align: center;
  font-size: 3.2rem;
  color: #ffffff;
  margin-bottom: 1rem;
  font-weight: 800;
  position: relative;
  animation: titleFloat 4s ease-in-out infinite;
  text-shadow: 0 4px 20px rgba(127, 255, 166, 0.3);
}

@keyframes titleFloat {
  0%,
  100% {
    transform: translateY(0px);
    text-shadow: 0 4px 20px rgba(127, 255, 166, 0.3);
  }
  50% {
    transform: translateY(-8px);
    text-shadow: 0 8px 30px rgba(127, 255, 166, 0.5);
  }
}

.skills-container h2::after {
  content: "";
  display: block;
  width: 120px;
  height: 4px;
  background: linear-gradient(
    90deg,
    transparent,
    #7fffa6,
    #2ecc40,
    transparent
  );
  margin: 1rem auto 0;
  border-radius: 2px;
  animation: underlineGlow 3s ease-in-out infinite alternate;
}

@keyframes underlineGlow {
  0% {
    box-shadow: 0 0 10px rgba(127, 255, 166, 0.5);
    transform: scaleX(1);
  }
  100% {
    box-shadow: 0 0 25px rgba(127, 255, 166, 0.8);
    transform: scaleX(1.1);
  }
}

.skills-subtitle {
  text-align: center;
  color: #b2f7cc;
  font-size: 1.2rem;
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  animation: subtitleReveal 1s ease-out 0.5s forwards;
}

@keyframes subtitleReveal {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 0.9;
    transform: translateY(0);
  }
}

/* Single Row Professional Layout */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
  opacity: 0;
  animation: showcaseAppear 1.2s ease-out 1s forwards;
}

@keyframes showcaseAppear {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.skill-category {
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.05) 0%,
    rgba(127, 255, 166, 0.02) 50%,
    rgba(255, 255, 255, 0.03) 100%
  );
  border: 1px solid rgba(127, 255, 166, 0.2);
  border-radius: 20px;
  padding: 2rem 1.5rem;
  backdrop-filter: blur(15px);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  animation: cardFloat 6s ease-in-out infinite;
}

.skill-category:nth-child(1) {
  animation-delay: 0s;
}
.skill-category:nth-child(2) {
  animation-delay: 1.5s;
}
.skill-category:nth-child(3) {
  animation-delay: 3s;
}

@keyframes cardFloat {
  0%,
  100% {
    transform: translateY(0px) rotateY(0deg);
  }
  25% {
    transform: translateY(-5px) rotateY(1deg);
  }
  50% {
    transform: translateY(-8px) rotateY(0deg);
  }
  75% {
    transform: translateY(-3px) rotateY(-1deg);
  }
}

.skill-category::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(127, 255, 166, 0.1),
    transparent
  );
  transition: left 0.8s ease;
}

.skill-category:hover::before {
  left: 100%;
}

.skill-category::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #7fffa6, #2ecc40, #7fffa6);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.skill-category:hover {
  transform: translateY(-15px) scale(1.05);
  border-color: rgba(127, 255, 166, 0.4);
  box-shadow: 0 25px 50px rgba(127, 255, 166, 0.15),
    0 0 30px rgba(127, 255, 166, 0.1);
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(127, 255, 166, 0.05) 50%,
    rgba(255, 255, 255, 0.06) 100%
  );
}

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

/* Enhanced Category Header Styles */
.category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid rgba(127, 255, 166, 0.2);
  position: relative;
}

.category-header::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #7fffa6, #2ecc40);
  transition: width 0.5s ease;
}

.skill-category:hover .category-header::after {
  width: 100%;
}

.category-icon {
  font-size: 2.5rem;
  background: linear-gradient(135deg, #7fffa6, #2ecc40);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 4px 8px rgba(127, 255, 166, 0.3));
  transition: all 0.4s ease;
  animation: iconPulse 3s ease-in-out infinite;
}

@keyframes iconPulse {
  0%,
  100% {
    transform: scale(1);
    filter: drop-shadow(0 4px 8px rgba(127, 255, 166, 0.3));
  }
  50% {
    transform: scale(1.1);
    filter: drop-shadow(0 6px 12px rgba(127, 255, 166, 0.5));
  }
}

.skill-category:hover .category-icon {
  transform: scale(1.2) rotate(10deg);
  filter: drop-shadow(0 8px 16px rgba(127, 255, 166, 0.6));
}

.category-header h3 {
  color: #7fffa6;
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
  text-shadow: 0 2px 8px rgba(127, 255, 166, 0.2);
  transition: all 0.3s ease;
}

.skill-category:hover .category-header h3 {
  color: #ffffff;
  text-shadow: 0 4px 12px rgba(127, 255, 166, 0.4);
  transform: translateY(-2px);
}

/* Tech Spheres Grid */
.tech-spheres-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.tech-sphere {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: rgba(127, 255, 166, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(127, 255, 166, 0.1);
  transition: all 0.3s ease;
  opacity: 0.8;
  text-align: center;
}

.tech-sphere:hover {
  background: rgba(127, 255, 166, 0.1);
  border-color: rgba(127, 255, 166, 0.3);
  transform: translateY(-5px) scale(1.05);
  opacity: 1;
  box-shadow: 0 10px 20px rgba(127, 255, 166, 0.15);
}

.sphere-icon {
  font-size: 2rem;
  transition: transform 0.3s ease;
  animation: spherePulse 4s ease-in-out infinite;
}

@keyframes spherePulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.tech-sphere:hover .sphere-icon {
  transform: scale(1.3) rotate(15deg);
}

.sphere-name {
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.3s ease;
}

.tech-sphere:hover .sphere-name {
  color: #7fffa6;
}

/* Professional Summary with Enhanced Animations */
.about-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  background: linear-gradient(
    135deg,
    rgba(127, 255, 166, 0.05) 0%,
    rgba(16, 24, 32, 0.8) 50%,
    rgba(127, 255, 166, 0.03) 100%
  );
  border-radius: 20px;
  padding: 2rem;
  border: 1px solid rgba(127, 255, 166, 0.2);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: summarySlideUp 1.5s ease-out 1.5s forwards;
}

@keyframes summarySlideUp {
  0% {
    opacity: 0;
    transform: translateY(50px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.about-summary::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    #7fffa6,
    #2ecc40,
    transparent
  );
  animation: summaryBorderGlow 4s ease-in-out infinite;
}

@keyframes summaryBorderGlow {
  0%,
  100% {
    opacity: 0.5;
    transform: scaleX(0.8);
  }
  50% {
    opacity: 1;
    transform: scaleX(1.1);
  }
}

.summary-stat {
  text-align: center;
  position: relative;
  transition: transform 0.3s ease;
}

.summary-stat:hover {
  transform: translateY(-8px);
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: #7fffa6;
  display: block;
  margin-bottom: 0.5rem;
  text-shadow: 0 4px 15px rgba(127, 255, 166, 0.4);
  animation: numberCount 2s ease-out;
  position: relative;
}

@keyframes numberCount {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.stat-number::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #7fffa6, #2ecc40);
  transition: width 0.5s ease;
}

.summary-stat:hover .stat-number::after {
  width: 100%;
}

.stat-label {
  color: #b2f7cc;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  opacity: 0.9;
  transition: all 0.3s ease;
}

.summary-stat:hover .stat-label {
  color: #7fffa6;
  opacity: 1;
  transform: translateY(-2px);
}

/* Responsive Design for Skills Section */
@media (max-width: 1200px) {
  .skills-categories {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

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

@media (max-width: 968px) {
  .skills-categories {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .skill-category {
    padding: 1.5rem 1rem;
  }
}

@media (max-width: 768px) {
  .skills-container {
    padding: 0 1rem;
  }

  .skills-container h2 {
    font-size: 2.5rem;
  }

  .about-summary {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .category-icon {
    font-size: 2rem;
  }

  .category-header h3 {
    font-size: 1.2rem;
  }

  .tech-spheres-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .tech-sphere {
    padding: 0.8rem;
  }

  .sphere-icon {
    font-size: 1.5rem;
  }
}