:root {
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  --container-max: 1400px;
  /* Increased for wider cards */
  --container-padding: 2rem;

  --header-height: 70px;
}

[data-theme='dark'] {
  --bg-primary: #0d1117;
  --bg-secondary: #0d1117bf;
  --bg-tertiary: #161b22bf;
  --bg-card: #1c2128;

  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-tertiary: #6e7681;

  --accent-primary: #f97316;
  --accent-secondary: #fb923c;
  --accent-tertiary: #14b8a6;
  --accent-glow: rgba(249, 115, 22, 0.25);

  --border-color: rgba(240, 246, 252, 0.1);
  --border-color-hover: rgba(240, 246, 252, 0.2);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
}

[data-theme='light'] {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fabf;
  --bg-tertiary: #eaeef2bf;
  --bg-card: #ffffff;

  --text-primary: #1f2328;
  --text-secondary: #57606a;
  --text-tertiary: #8c959f;

  --accent-primary: #ea580c;
  --accent-secondary: #f97316;
  --accent-tertiary: #0d9488;
  --accent-glow: rgba(234, 88, 12, 0.15);

  --border-color: rgba(31, 35, 40, 0.15);
  --border-color-hover: rgba(31, 35, 40, 0.25);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
}

body {
  font-family: var(--font-primary);
  background-color: transparent;
  color: var(--text-primary);
  line-height: 1.6;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal);
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-secondary);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: background var(--transition-normal);
}

[data-theme='light'] .site-header {
  background: rgba(255, 255, 255, 0.9);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  color: var(--text-primary);
}

[data-theme='dark'] .sun-icon {
  display: block;
}

[data-theme='dark'] .moon-icon {
  display: none;
}

[data-theme='light'] .sun-icon {
  display: none;
}

[data-theme='light'] .moon-icon {
  display: block;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition-fast);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
}

.particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
}

.hero-title {
  margin-bottom: 1rem;
}

.greeting {
  display: block;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.name {
  display: block;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  background: linear-gradient(
    135deg,
    var(--text-primary) 0%,
    var(--accent-primary) 50%,
    var(--accent-secondary) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.hero-tagline {
  font-size: 1rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  margin-bottom: 1rem;
}

.project-tech {
  margin-top: auto;
  /* Push to bottom */
  width: calc(100% + 3rem);
  /* Edge-to-edge (compensate for 1.5rem padding) */
  margin-left: -1.5rem;
  margin-right: -1.5rem;
  margin-bottom: -1.5rem;
  /* Flush with bottom */
  /* min-height removed to fit content tightly */
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  border-radius: 0 0 12px 12px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  padding: 1.25rem 1rem;
  gap: 0.5rem;
  align-content: flex-start;
  height: 9rem;
  /* Fixed height for alignment */
}

/* Improve contrast for tags inside the footer */
.project-tech .tech-tag {
  background: var(--bg-card);
  /* Darker than footer */
  border: 1px solid var(--border-color);
}

.hero-location {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--text-tertiary);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 8px;
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-color-hover);
  color: var(--text-primary);
}

.hero-social {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

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

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  color: var(--text-tertiary);
  z-index: 2;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  40% {
    transform: translateX(-50%) translateY(-10px);
  }

  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

.section {
  padding: 6rem 0;
}

.section:nth-child(even) {
  background: var(--bg-secondary);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 2px;
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-text p {
  margin-bottom: 1rem;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.highlight-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-fast);
}

.highlight-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.highlight-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

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

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
}

.skill-category-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--accent-primary);
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-name {
  font-size: 0.9rem;
  font-weight: 500;
}

.skill-level {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.skill-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 3px;
  width: var(--progress);
  transition: width 1s ease-out;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 0.5rem 3rem;
}

.timeline-item.left {
  left: 0;
  padding-right: 0.5rem;
  text-align: right;
}

.timeline-item.right {
  left: 50%;
  padding-left: 0.5rem;
  text-align: left;
}

.timeline-marker {
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--accent-primary);
  border: 3px solid var(--bg-primary);
  border-radius: 50%;
  top: 0;
  z-index: 1;
}

.timeline-item.left .timeline-marker {
  right: -8px;
}

.timeline-item.right .timeline-marker {
  left: -8px;
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all var(--transition-fast);
}

.timeline-content:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.timeline-header {
  margin-bottom: 0.5rem;
}

.timeline-company {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.timeline-date {
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-family: var(--font-mono);
}

.timeline-role {
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.timeline-via {
  font-weight: 400;
  color: var(--text-tertiary);
}

.timeline-location {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--text-tertiary);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.timeline-item.left .timeline-location {
  justify-content: flex-end;
}

.timeline-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.timeline-highlights {
  list-style: none;
  margin-bottom: 1rem;
}

.timeline-highlights li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.timeline-item.left .timeline-highlights li {
  padding-left: 0;
  padding-right: 1rem;
}

.timeline-highlights li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

.timeline-item.left .timeline-highlights li::before {
  left: auto;
  right: 0;
}

.timeline-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline-item.left .timeline-tech {
  justify-content: flex-end;
}

.tech-tag {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.timeline-group {
  display: flex;
  flex-direction: column;
  gap: 1.05rem;
}

.timeline-anchor {
  position: relative;
  z-index: 1;
}

.timeline-anchor[data-connector-direction='down']::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -1.05rem;
  width: 1px;
  height: 0.9rem;
  background: linear-gradient(180deg, var(--border-color), var(--accent-primary));
  transform: translateX(-50%);
}

.timeline-anchor[data-connector-direction='down']::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -1.45rem;
  transform: translateX(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--accent-primary);
}

.timeline-anchor-synthesized {
  border-style: dashed;
  border-color: var(--border-color-hover);
}

.timeline-children {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding-top: 0.95rem;
}

.timeline-child {
  position: relative;
  width: calc(100% - 1.25rem);
  padding: 1rem 1.1rem;
  border-radius: 10px;
  background: var(--bg-tertiary);
}

.timeline-item.timeline-group.left .timeline-children,
.timeline-item.timeline-group.right .timeline-children {
  align-items: center;
}

.timeline-item.timeline-group.left .timeline-child,
.timeline-item.timeline-group.right .timeline-child {
  margin-left: 0;
  margin-right: 0;
}

.timeline-item.timeline-group .timeline-child::before,
.timeline-item.timeline-group .timeline-child::after {
  content: none;
}

.timeline-child .timeline-company {
  font-size: 1rem;
}

.timeline-child .timeline-date {
  font-size: 0.78rem;
}

.timeline-child .timeline-role,
.timeline-child .timeline-description,
.timeline-child .timeline-highlights li {
  font-size: 0.85rem;
}

.timeline-child .timeline-role {
  margin-bottom: 0.35rem;
}

.timeline-child .timeline-location {
  font-size: 0.8rem;
  margin-bottom: 0.6rem;
}

.timeline-child .timeline-highlights {
  margin-bottom: 0.7rem;
}

.timeline-child .timeline-highlights li {
  margin-bottom: 0.35rem;
}

.timeline-child .timeline-highlights li:last-child {
  margin-bottom: 0;
}

.timeline-child .timeline-role:last-child,
.timeline-child .timeline-location:last-child,
.timeline-child .timeline-description:last-child,
.timeline-child .timeline-highlights:last-child,
.timeline-child .timeline-tech:last-child {
  margin-bottom: 0;
}

.timeline-child .tech-tag {
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  /* align-items: center; removed to allow children to stretch */
  text-align: center;
  height: 100%;
  /* padding-bottom removed - handled by flex footer */
  position: relative;
  overflow: hidden;
}

.project-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.project-header {
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  min-height: 4.5rem;
  /* Increased to accommodate 3 lines */
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.6;
  flex-grow: 1;
}

.project-impact {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border-radius: 8px;
  margin-top: auto;
  /* Push to bottom */
  width: 100%;
  height: 8rem;
  /* Fixed height for alignment */
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.education-subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--accent-primary);
}

.education-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.education-institution {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

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

.education-dates,
.education-location {
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

.certifications-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.certification-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.certification-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  color: var(--accent-primary);
  flex-shrink: 0;
  border: 1px solid var(--border-color);
}

.certification-logo__mask {
  display: block;
  width: 25px;
  height: 25px;
  background: currentColor;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-size: contain;
}

.certification-logo__mask--anthropic {
  -webkit-mask-image: url('/images/icons/anthropic.svg');
  mask-image: url('/images/icons/anthropic.svg');
}

.certification-logo__mask--databricks {
  -webkit-mask-image: url('/images/icons/databricks.svg');
  mask-image: url('/images/icons/databricks.svg');
}

.certification-logo__lettermark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 25px;
  height: 25px;
  color: currentColor;
  font-size: 0.8rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
}

.certification-logo__lettermark--cambridge {
  letter-spacing: -0.08em;
}

.certification-name {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.certification-issuer {
  color: var(--text-tertiary);
  font-size: 0.8rem;
}

.publications {
  margin-top: 2rem;
}

.publication-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
}

.publication-title {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

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

.contact {
  position: relative;
  overflow: hidden;
}

.floating-icons-global {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.floating-icon {
  position: absolute;
  left: var(--x);
  top: var(--y);
  color: var(--accent-primary);
  opacity: 0.08;
  animation: float 12s ease-in-out infinite;
  animation-delay: var(--delay);
  filter: drop-shadow(0 0 6px var(--accent-glow));
}

.floating-icon svg {
  width: 36px;
  height: 36px;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(-8deg) scale(1);
    opacity: 0.08;
  }

  50% {
    transform: translateY(-25px) rotate(8deg) scale(1.1);
    opacity: 0.2;
  }
}

.contact .container {
  position: relative;
  z-index: 1;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 700px;
  margin: 0 auto;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition-fast);
  color: var(--text-primary);
}

a.contact-link:hover {
  border-color: var(--accent-primary);
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
}

.contact-link-group:hover {
  border-color: var(--accent-primary);
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
}

.contact-link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.contact-link-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.contact-link-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-link-value {
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-link-whatsapp {
  align-items: center;
  padding: 1.15rem 1.6rem;
  color: var(--text-primary);
}

.contact-link-whatsapp:hover {
  border-color: var(--accent-primary);
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
}

.contact-link-whatsapp .contact-link-icon,
.contact-link-whatsapp .contact-link-text,
.contact-link-whatsapp .contact-link-label,
.contact-link-whatsapp .contact-link-value {
  display: none;
}

.contact-link-whatsapp-rows {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  width: 100%;
}

.contact-link-whatsapp-glyph {
  width: 1rem;
  height: 1rem;
}

.contact-link-phone-glyph {
  width: 1rem;
  height: 1rem;
}

.contact-link-whatsapp-row {
  display: grid;
  grid-template-columns: max-content 1.4rem minmax(0, 1fr);
  align-items: center;
  column-gap: 0.55rem;
  width: fit-content;
  max-width: 100%;
  padding: 0;
  line-height: 1.15;
}

.contact-link-whatsapp-row-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.22rem;
  width: auto;
  height: auto;
  background: transparent;
  border-radius: 0;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.contact-link-whatsapp-row-icon .contact-link-whatsapp-glyph {
  color: var(--accent-primary);
  fill: currentColor;
}

.contact-link-whatsapp-row-icon .contact-link-phone-glyph {
  color: var(--accent-primary);
  stroke: currentColor;
}

.contact-link-whatsapp-flag {
  position: relative;
  display: inline-flex;
  width: 1.2rem;
  height: 0.82rem;
  border-radius: 0.18rem;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.contact-link-whatsapp-flag--sweden {
  background: #006aa7;
}

.contact-link-whatsapp-flag--sweden::before,
.contact-link-whatsapp-flag--sweden::after {
  content: '';
  position: absolute;
  background: #fecc00;
}

.contact-link-whatsapp-flag--sweden::before {
  inset: 0.32rem auto 0 0;
  width: 100%;
  height: 0.18rem;
}

.contact-link-whatsapp-flag--sweden::after {
  inset: 0 auto 0 0.36rem;
  width: 0.16rem;
  height: 100%;
}

.contact-link-whatsapp-flag--brazil {
  background: #009b3a;
  border-radius: 999px;
}

.contact-link-whatsapp-flag--brazil::before,
.contact-link-whatsapp-flag--brazil::after {
  content: '';
  position: absolute;
}

.contact-link-whatsapp-flag--brazil::before {
  inset: 0.14rem 0.24rem;
  background: #ffdf00;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.contact-link-whatsapp-flag--brazil::after {
  inset: 0.24rem 0.42rem;
  background: #002776;
  border-radius: 999px;
}

.contact-link-whatsapp-entry {
  display: inline-flex;
  align-items: center;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-link-whatsapp-entry:hover {
  color: var(--text-primary);
}

.contact-link-whatsapp-entry:focus-visible {
  outline: none;
  border-radius: 6px;
  background: var(--bg-tertiary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

@media (max-width: 520px) {
  .contact-link-whatsapp {
    padding: 1rem 1.2rem;
  }

  .contact-link-whatsapp-row {
    grid-template-columns: max-content 1.25rem minmax(0, 1fr);
    column-gap: 0.45rem;
  }

  .contact-link-whatsapp-entry {
    font-size: 0.92rem;
    white-space: normal;
  }
}

@media (max-width: 420px) {
  .contact-link-whatsapp-row {
    grid-template-columns: 1fr;
    row-gap: 0.18rem;
  }
}

@media (max-width: 600px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-text {
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

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

.footer-links a {
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.cv-page {
  min-height: 100vh;
  background: var(--bg-primary);
}

.cv-toolbar {
  position: fixed;
  top: 1rem;
  right: 1rem;
  display: flex;
  gap: 0.5rem;
  z-index: 100;
}

.cv-toolbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cv-toolbar-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

.cv-toolbar .theme-toggle {
  padding: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.cv-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
}

.cv-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  grid-template-rows: auto 1fr;
  gap: 2rem;
}

.cv-header {
  grid-column: 1 / -1;
  text-align: center;
  padding-bottom: 1.5rem;
  border-bottom: 3px solid var(--accent-primary);
}

.cv-name {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cv-tagline {
  font-size: 1rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.cv-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.cv-sidebar-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
}

.cv-sidebar-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.cv-contact-list {
  list-style: none;
}

.cv-contact-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.cv-contact-list li:last-child {
  margin-bottom: 0;
}

.cv-contact-list svg {
  color: var(--accent-primary);
  flex-shrink: 0;
}

.cv-contact-list a {
  color: var(--text-secondary);
}

.cv-contact-list a:hover {
  color: var(--accent-primary);
}

.cv-skill-group {
  margin-bottom: 1rem;
}

.cv-skill-group:last-child {
  margin-bottom: 0;
}

.cv-skill-group-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-bottom: 0.5rem;
}

.cv-skill-items {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.cv-skill-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.cv-skill-name {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.cv-skill-dots {
  display: flex;
  gap: 2px;
}

.cv-skill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg-tertiary);
}

.cv-skill-dot.filled {
  background: var(--accent-primary);
}

.cv-languages-list {
  list-style: none;
}

.cv-languages-list li {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.cv-languages-list li strong {
  color: var(--text-primary);
}

.cv-languages-list li span {
  color: var(--text-tertiary);
  font-size: 0.8rem;
}

.cv-certifications-list {
  list-style: none;
}

.cv-certifications-list li {
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.cv-certifications-list li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.cv-cert-name {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.cv-cert-issuer {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.cv-main {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.cv-main-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
}

.cv-main-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.cv-main-title svg {
  flex-shrink: 0;
}

.cv-job {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.cv-job:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.cv-job-header {
  margin-bottom: 0.75rem;
}

.cv-job-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.25rem;
}

.cv-job-company {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.cv-job-dates {
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.cv-job-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

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

.cv-job-role em {
  color: var(--text-tertiary);
}

.cv-job-location {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.cv-job-description {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 0.75rem;
}

.cv-job-highlights {
  list-style: none;
  margin-bottom: 0.75rem;
}

.cv-job-highlights li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.cv-job-highlights li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

.cv-job-tech {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.cv-education {
  margin-bottom: 1rem;
}

.cv-education:last-child {
  margin-bottom: 0;
}

.cv-education-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.cv-education-institution {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.cv-education-dates {
  font-size: 0.85rem;
  color: var(--accent-primary);
  font-family: var(--font-mono);
}

.cv-education-degree {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.cv-education-location {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.cv-project {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.cv-project:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.cv-project-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.cv-project-description {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.cv-project-tech {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.cv-publication {
  margin-bottom: 1rem;
}

.cv-publication:last-child {
  margin-bottom: 0;
}

.cv-publication-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.cv-publication-venue {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

@media (max-width: 900px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 50px !important;
    padding-right: 0 !important;
    text-align: left !important;
  }

  .timeline-item.left,
  .timeline-item.right {
    left: 0;
  }

  .timeline-marker {
    left: 12px !important;
    right: auto !important;
  }

  .timeline-item.left .timeline-location,
  .timeline-item.left .timeline-tech,
  .timeline-item.left .timeline-highlights li {
    justify-content: flex-start;
    padding-left: 1rem;
    padding-right: 0;
  }

  .timeline-item.left .timeline-highlights li::before {
    left: 0;
    right: auto;
  }

  .timeline-group {
    gap: 0.75rem;
  }

  .timeline-item.timeline-group:is(.left, .right) .timeline-children {
    align-items: center;
    padding-top: 0.8rem;
  }

  .timeline-item.timeline-group:is(.left, .right) .timeline-child {
    width: calc(100% - 0.75rem);
    margin-left: 0;
    margin-right: 0;
  }

  .timeline-item.timeline-group:is(.left, .right)
    .timeline-anchor[data-connector-direction='down']::before {
    bottom: -0.95rem;
    height: 0.75rem;
  }

  .timeline-item.timeline-group:is(.left, .right)
    .timeline-anchor[data-connector-direction='down']::after {
    bottom: -1.25rem;
    border-left-width: 5px;
    border-right-width: 5px;
    border-top-width: 7px;
  }

  .timeline-group .timeline-child .timeline-company {
    font-size: 0.95rem;
  }

  .timeline-group .timeline-child .timeline-date,
  .timeline-group .timeline-child .timeline-role,
  .timeline-group .timeline-child .timeline-description,
  .timeline-group .timeline-child .timeline-highlights li {
    font-size: 0.82rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

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

  .about-content {
    grid-template-columns: 1fr;
  }

  .about-highlights {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .highlight-card {
    flex: 1;
    min-width: 120px;
  }

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

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

  .cv-header {
    flex-direction: column;
    gap: 1rem;
  }

  .cv-contact {
    align-items: flex-start;
  }

  .cv-two-column {
    grid-template-columns: 1fr;
  }

  .cv-experience-header,
  .cv-education-header {
    flex-direction: column;
    gap: 0.25rem;
  }

  .cv-experience-right,
  .cv-education-right {
    text-align: left;
  }

  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 900px) {
  .cv-layout {
    grid-template-columns: 1fr;
  }

  .cv-toolbar {
    position: static;
    justify-content: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
  }

  .cv-sidebar {
    order: 2;
  }

  .cv-main {
    order: 1;
  }
}

@media print {
  :root {
    --bg-primary: #ffffff;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f5f5f5;
    --bg-card: #ffffff;
    --text-primary: #000000;
    --text-secondary: #333333;
    --text-tertiary: #666666;
    --accent-primary: #2563eb;
    --border-color: #e5e5e5;
  }

  .site-header,
  .site-footer,
  .no-print {
    display: none !important;
  }

  .cv-page {
    padding-top: 0;
  }

  .cv-container {
    max-width: 100%;
    padding: 0;
  }

  .cv-layout {
    grid-template-columns: 240px 1fr;
    gap: 1.5rem;
  }

  .cv-sidebar-section,
  .cv-main-section {
    border: none;
    padding: 0.75rem 0;
    background: transparent;
  }

  body {
    font-size: 10pt;
    line-height: 1.35;
  }

  .cv-name {
    font-size: 22pt;
    background: none;
    -webkit-text-fill-color: var(--text-primary);
  }

  .cv-tagline {
    font-size: 10pt;
  }

  .cv-sidebar-title,
  .cv-main-title {
    font-size: 11pt;
    page-break-after: avoid;
  }

  .cv-job,
  .cv-education,
  .cv-project {
    page-break-inside: avoid;
  }

  .cv-skill-dot {
    width: 6px;
    height: 6px;
  }

  a {
    color: var(--text-primary);
    text-decoration: none;
  }

  @page {
    margin: 1cm;
    size: A4;
  }
}

/* Three.js Ring Particles Canvas */
/* The ring particles effect is now implemented with Three.js in ring-particles.js */
#ring-particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  pointer-events: none;
  touch-action: none;
}