/* Sections: hero, about, skills, experience, projects, achievements, contact, footer, spinner */

/* Hero */
.hero-section {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );
  opacity: 1 !important;
  transform: translateY(0) !important;
  backdrop-filter: blur(10px);
  border-radius: var(--radius-2xl);
  margin: var(--space-lg);
  padding: var(--space-3xl);
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}
.hero-text {
  animation: slideInLeft 1s ease-out;
}
.hero-title {
  margin-bottom: var(--space-lg);
}
.text-gradient {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  font-weight: 500;
}
.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}
.hero-cta {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.hero-image {
  animation: slideInRight 1s ease-out 0.3s both;
}
.profile-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.profile-card img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-slow);
}
.profile-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  padding: var(--space-xl);
  color: #fff;
  transform: translateY(100%);
  transition: var(--transition-slow);
}
.profile-card:hover .profile-overlay {
  transform: translateY(0);
}
.profile-card:hover img {
  transform: scale(1.1);
}
.profile-info h3 {
  margin-bottom: var(--space-sm);
  color: #fff;
}
.profile-info p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-lg);
}
.profile-stats {
  display: flex;
  gap: var(--space-lg);
  justify-content: space-between;
}
.stat {
  text-align: center;
}
.stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-color);
}
.stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

/* About */
.about-section {
  background: var(--bg-secondary);
}
.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}
.about-text h3 {
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
  font-size: 2rem;
}
.about-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}
.highlight {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}
.highlight:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.highlight i {
  font-size: 1.5rem;
  color: var(--primary-color);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-md);
}
.highlight h4 {
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}
.highlight p {
  margin-bottom: 0;
  color: var(--text-secondary);
}
.about-image {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.about-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-slow);
}
.about-image:hover img {
  transform: scale(1.05);
}

/* Skills */
.skills-section {
  background: var(--bg-primary);
}
.skills-grid {
  display: block;
}
.skills-categories {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}
.skill-category-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}
.skill-chip i {
  color: var(--primary-color);
}

/* Experience */
.experience-section {
  background: var(--bg-secondary);
}
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  transform: translateX(-50%);
}
.timeline-item {
  position: relative;
  margin-bottom: var(--space-2xl);
  display: flex;
  align-items: center;
}
.timeline-item:nth-child(odd) {
  flex-direction: row;
}
.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}
.timeline-marker {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border: 4px solid var(--bg-primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  box-shadow: var(--shadow-md);
}
.timeline-content {
  width: 45%;
  background: var(--bg-card);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  transition: var(--transition-normal);
}
.timeline-content:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
}
.timeline-header {
  margin-bottom: var(--space-md);
}
.timeline-header h3 {
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}
.company {
  display: block;
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}
.period {
  display: block;
  color: var(--text-secondary);
  font-size: 0.875rem;
}
.level-badge {
  display: inline-block;
  margin-left: var(--space-sm);
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-color);
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  vertical-align: middle;
}
.timeline-content p {
  margin-bottom: var(--space-lg);
  color: var(--text-secondary);
}
.technologies {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.tech-tag {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
}

/* Projects */
.projects-section {
  background: var(--bg-primary);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

/* Force 3 columns for certifications on wide screens */
#certifications-grid {
  grid-template-columns: repeat(3, 1fr);
}

/* Ensure multi-columns on desktop for certifications */
@media (min-width: 1024px) {
  #certifications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: var(--space-xl);
  }
}

/* Use two columns on tablets */
@media (min-width: 768px) and (max-width: 1023px) {
  #certifications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space-xl);
  }
}
.project-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}
.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}
.project-image-container {
  position: relative;
  overflow: hidden;
}
.project-image {
  width: auto;
  max-width: 100%;
  height: 250px;
  object-fit: contain;
  object-position: center;
  background-color: var(--bg-primary);
  transition: var(--transition-slow);
}
.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(37, 99, 235, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-slow);
}
.project-card:hover .project-overlay {
  opacity: 1;
}
.project-card:hover .project-image {
  transform: scale(1.1);
}
.project-overlay-content {
  text-align: center;
}
.project-content {
  padding: var(--space-xl);
}
.project-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}
.project-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}
.project-tech {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Center images and avoid crop for Projects and Certifications */
.projects-section .project-image-container,
#certifications-grid .project-image-container {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
}

.projects-section .project-card:hover .project-image,
#certifications-grid .project-card:hover .project-image {
  transform: none;
}

/* Remove rounded corners for Projects and Certifications */
.projects-section .project-card,
#certifications-grid .project-card {
  border-radius: 0 !important;
}

/* Achievements */
.achievements-section {
  background: var(--bg-secondary);
}
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

/* Make certifications grid match projects' 3-column min width */
#certifications-grid {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}
.achievement-card {
  background: var(--bg-card);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.achievement-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(37, 99, 235, 0.1) 0%,
    rgba(245, 158, 11, 0.1) 100%
  );
  opacity: 0;
  transition: var(--transition-normal);
}
.achievement-card:hover::before {
  opacity: 1;
}
.achievement-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}
.achievement-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  position: relative;
  z-index: 1;
}
.achievement-icon i {
  color: #fff;
  font-size: 2rem;
}
.achievement-card h3 {
  margin-bottom: var(--space-md);
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}
.achievement-card p {
  margin-bottom: var(--space-lg);
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
}
.achievement-date {
  background: var(--primary-color);
  color: #fff;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

/* Contact */
.contact-section {
  background: var(--bg-primary);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}
.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
}
.contact-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.contact-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}
.contact-icon i {
  font-size: 1.5rem;
  display: inline-block;
}
.contact-item h3 {
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}
.contact-item p {
  margin-bottom: 0;
  color: var(--text-secondary);
}
.form-status {
  margin-top: var(--space-md);
  color: var(--text-secondary);
}

/* Contact CTA buttons */
.contact-cta {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  justify-content: center;
}
.form-group {
  margin-bottom: var(--space-lg);
}
.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  color: var(--text-primary);
}
.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-fast);
  background: var(--bg-primary);
  color: var(--text-primary);
}
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.form-input.error,
.form-textarea.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer & Spinner */
.footer {
  background: var(--bg-dark);
  color: #fff;
  padding: var(--space-2xl) 0;
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
}
.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}
.footer-section h3,
.footer-section h4 {
  margin-bottom: var(--space-lg);
  color: #fff;
}
.footer-section p {
  color: #9ca3af;
  margin-bottom: 0;
  line-height: 1.6;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: var(--space-md);
}
.footer-links a {
  color: #9ca3af;
  text-decoration: none;
  transition: var(--transition-fast);
  display: inline-block;
}
.footer-links a:hover {
  color: #fff;
  transform: translateX(5px);
}
.social-links {
  display: flex;
  gap: var(--space-md);
}
.social-links a {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-decoration: none;
  transition: var(--transition-fast);
}
.social-links a:hover {
  background: var(--primary-color);
  transform: translateY(-4px);
}
.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: var(--space-lg);
  text-align: center;
  color: #9ca3af;
}
.footer-bottom p {
  margin-bottom: var(--space-sm);
}
.footer-bottom i {
  color: #ef4444;
}
.loading-spinner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  transition: opacity var(--transition-slow);
}
.loading-spinner.hidden {
  opacity: 0;
  pointer-events: none;
}
.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}