* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #0a66c2;
  --secondary-color: #00d9ff;
  --dark-bg: #0a0a0a;
  --light-bg: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --accent: #00d9ff;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Scroll Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Skill Items Animation */
.skill-item {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.skill-category.animated .skill-item {
  opacity: 1;
  transform: translateX(0);
}

.skill-category.animated .skill-item:nth-child(1) {
  transition-delay: 0.1s;
}
.skill-category.animated .skill-item:nth-child(2) {
  transition-delay: 0.2s;
}
.skill-category.animated .skill-item:nth-child(3) {
  transition-delay: 0.3s;
}
.skill-category.animated .skill-item:nth-child(4) {
  transition-delay: 0.4s;
}

/* Light Theme */
body.light-theme {
  --dark-bg: #ffffff;
  --light-bg: #f5f5f5;
  --text-primary: #0a0a0a;
  --text-secondary: #4a4a4a;
}

body.light-theme nav {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

body.light-theme .theme-toggle {
  background: var(--light-bg);
  border-color: rgba(0, 0, 0, 0.2);
}

body.light-theme .project-card,
body.light-theme .timeline-item {
  border-color: rgba(0, 0, 0, 0.1);
}

/* Theme Toggle Button */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1001;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  background: var(--light-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  transform: scale(1.1);
  border-color: var(--accent);
}

.theme-icon {
  transition: transform 0.3s ease;
}

.theme-toggle:hover .theme-icon {
  transform: rotate(20deg);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.testimonial-card {
  background: var(--light-bg);
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(0, 217, 255, 0.15);
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.testimonial-info h4 {
  margin-bottom: 0.3rem;
  font-size: 1.1rem;
}

.testimonial-role {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.testimonial-text {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.testimonial-rating {
  color: #ffd700;
  font-size: 1.2rem;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 5% 0;
  position: relative;
}

@media (max-width: 768px) {
  .hero {
    padding-top: 100px !important;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: 140px !important;
  }
}

.hero-content {
  max-width: 900px;
  text-align: left;
  width: 100%;
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.typing-container {
  font-size: clamp(1.2rem, 4vw, 2rem);
  color: var(--accent);
  min-height: 3rem;
  margin-bottom: 2rem;
}

.cursor {
  display: inline-block;
  width: 3px;
  height: clamp(1.5rem, 3vw, 2rem);
  background: var(--accent);
  margin-left: 5px;
  animation: blink 0.7s infinite;
}

@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }

  51%,
  100% {
    opacity: 0;
  }
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  display: inline-block;
  font-size: clamp(0.9rem, 2vw, 1rem);
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 217, 255, 0.3);
}

.btn-secondary {
  border: 2px solid var(--accent);
  color: var(--accent);
}

.btn-secondary:hover {
  background: var(--accent);
  color: var(--dark-bg);
}

/* Section Styles */
section {
  padding: 6rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: clamp(2rem, 5vw, 2.5rem);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: clamp(1rem, 2vw, 1.1rem);
  margin-bottom: 3rem;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

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

.skill-category h3 {
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.skill-category ul {
  list-style: none;
  color: var(--text-secondary);
}

.skill-category li {
  padding: 0.3rem 0;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.project-card {
  background: var(--light-bg);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(0, 217, 255, 0.2);
}

.project-header {
  padding: 1.5rem;
  background: linear-gradient(
    135deg,
    rgba(10, 102, 194, 0.1),
    rgba(0, 217, 255, 0.1)
  );
}

.project-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.project-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.project-role {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
}

.project-body {
  padding: 1.5rem;
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tech-tag {
  background: rgba(0, 217, 255, 0.1);
  color: var(--accent);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.85rem;
}

.project-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.project-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.project-link:hover {
  text-decoration: underline;
}

/* Experience Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 2px;
  background: linear-gradient(
    180deg,
    var(--primary-color),
    var(--secondary-color)
  );
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.5rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--dark-bg), 0 0 0 6px var(--accent);
}

.timeline-date {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.timeline-item h3 {
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
}

.timeline-subtitle {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.timeline-description {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-item a {
  color: var(--text-secondary);
  text-decoration: none;
  word-break: break-all;
}

.contact-item a:hover {
  color: var(--accent);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.social-link {
  width: 50px;
  height: 50px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s;
  font-size: 0.8rem;
}

.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

/* Blog Section */
.blog-construction {
  text-align: center;
  padding: 4rem 2rem;
}

.construction-icon {
  font-size: 5rem;
  margin-bottom: 1rem;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-20px);
  }
}

.blog-construction h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.blog-construction p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem 5%;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

/* Loading State */
.loading {
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 1024px) {
  .about-content {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  nav {
    padding: 1rem 5%;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transition: left 0.3s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-links.active {
    left: 0;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 1rem;
  }

  .timeline-item {
    padding-left: 1.5rem;
  }

  .timeline-item::before {
    left: -1.9rem;
  }

  section {
    padding: 4rem 5%;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .contact-item {
    flex-direction: column;
    align-items: flex-start;
  }
}

/********** Filled Icon Style ************/
.filled-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
}

.filled-icon svg {
  width: 22px;
  height: 22px;
  transition: all 0.3s ease;
}

.filled-icon:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.filled-icon:hover svg {
  transform: scale(1.1);
  color: var(--dark-bg);
}

@media (max-width: 480px) {
  .social-links {
    justify-content: center;
    gap: 0.8rem;
  }

  .social-icon {
    width: 45px;
    height: 45px;
  }

  .social-icon svg {
    width: 20px;
    height: 20px;
  }
}