:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-secondary: #7c3aed;
  --color-accent: #06b6d4;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-card: #ffffff;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-inverse: #ffffff;
  --color-border: #e2e8f0;
  --color-nav-bg: rgba(255, 255, 255, 0.85);
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --transition: 200ms ease;
  --max-width: 1200px;
}

[data-theme="dark"] {
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-primary-light: #60a5fa;
  --color-secondary: #8b5cf6;
  --color-accent: #22d3ee;
  --color-bg: #0f172a;
  --color-bg-alt: #1e293b;
  --color-bg-card: #1e293b;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #0f172a;
  --color-border: #334155;
  --color-nav-bg: rgba(15, 23, 42, 0.85);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition), color var(--transition);
}

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

a:hover {
  color: var(--color-primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-3xl) 0;
}

.section__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-xl);
  color: var(--color-text);
}

.section__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
}

.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn--secondary:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
}

.btn--sm {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.85rem;
}

.tag {
  display: inline-block;
  padding: 0.2em 0.6em;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar__logo {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
}

.navbar__logo:hover {
  color: var(--color-primary);
}

.navbar__links {
  display: flex;
  gap: var(--space-lg);
}

.navbar__links a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  position: relative;
}

.navbar__links a:hover,
.navbar__links a.active {
  color: var(--color-primary);
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}

.navbar__links a:hover::after,
.navbar__links a.active::after {
  width: 100%;
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
}

.theme-toggle {
  padding: var(--space-sm);
  font-size: 1.2rem;
  border-radius: var(--radius-md);
  transition: background var(--transition);
}

.theme-toggle:hover {
  background: var(--color-bg-alt);
}

/* Footer */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) 0;
  text-align: center;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.footer__copyright {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer__social a:hover {
  color: var(--color-primary);
}

.footer__built-with {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer__privacy {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Hero */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding: var(--space-3xl) 0;
}

.hero__content {
  max-width: 800px;
}

.hero__greeting {
  font-size: 1.1rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.hero__name {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.hero__tagline {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  max-width: 600px;
}

.hero__typing {
  color: var(--color-primary);
}

.hero__cta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.hero__social {
  display: flex;
  gap: var(--space-md);
}

.hero__social a {
  color: var(--color-text-muted);
  font-size: 1.5rem;
  transition: color var(--transition);
}

.hero__social a:hover {
  color: var(--color-primary);
}

/* Current Role Banner */
.current-role {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.current-role__label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.current-role__title {
  font-weight: 700;
  font-size: 1.1rem;
}

.current-role__company {
  color: var(--color-text-muted);
}

/* What I Do Cards */
.what-i-do {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
}

.what-i-do__card {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.what-i-do__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.what-i-do__icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.what-i-do__title {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.what-i-do__desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* About Page */
.about__intro {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
  margin-bottom: var(--space-2xl);
}

.about__lead {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.about__current {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  padding: var(--space-md);
  border-left: 3px solid var(--color-primary);
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.stat-card {
  text-align: center;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
}

.stat-card__value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-primary);
}

.stat-card__label {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-top: var(--space-xs);
}

.about__what-i-do {
  margin-bottom: var(--space-2xl);
}

.about__journey {
  margin-bottom: var(--space-2xl);
}

.about__journey-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about__journey-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.about__journey-item:last-child {
  border-bottom: none;
}

.about__journey-year {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.about__journey-detail {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.about__journey-detail strong {
  color: var(--color-text);
}

.about__research {
  margin-bottom: var(--space-2xl);
}

.about__research-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag--lg {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
}

.about__resume {
  margin-bottom: var(--space-xl);
}

.about__resume-links {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.about__resume-links .btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.about__resume-links .btn svg {
  flex-shrink: 0;
}

/* Experience Highlights */
.exp-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  padding: var(--space-lg);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.exp-highlight {
  text-align: center;
  padding: var(--space-sm) 0;
}

.exp-highlight__value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

.exp-highlight__label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-xs);
}

/* View Toggle */
.view-toggle {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 4px;
  width: fit-content;
}

.view-toggle__btn {
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.view-toggle__btn:hover {
  color: var(--color-text);
}

.view-toggle__btn--active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

/* Experience Timeline */
.timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-border));
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-2xl);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: calc(-1 * var(--space-2xl) - 5px);
  top: var(--space-lg);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-primary);
  z-index: 1;
}

.timeline__dot--work { background: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary); }
.timeline__dot--research { background: var(--color-secondary); box-shadow: 0 0 0 2px var(--color-secondary); }
.timeline__dot--opensource { background: var(--color-success); box-shadow: 0 0 0 2px var(--color-success); }

.timeline__card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.timeline__card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.timeline__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.timeline__role {
  font-weight: 700;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.timeline__current-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15em 0.5em;
  border-radius: var(--radius-sm);
  background: var(--color-success);
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  vertical-align: middle;
}

.timeline__dissertation-title {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-secondary);
  margin-top: var(--space-xs);
}

.timeline__company {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: 2px;
}

.timeline__period {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  white-space: nowrap;
  flex-shrink: 0;
  padding-top: 2px;
}

.timeline__summary {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: var(--space-sm) 0;
  padding: var(--space-sm) var(--space-md);
  border-left: 3px solid var(--color-primary-light);
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.timeline__bullets {
  list-style: none;
  padding-left: 0;
  margin-top: var(--space-md);
}

.timeline__bullets li {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
  line-height: 1.7;
  padding-left: var(--space-lg);
  position: relative;
}

.timeline__bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary-light);
}

.timeline__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.timeline__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* Academics — Research Interests */
.acad-interests {
  padding: var(--space-xl);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-2xl);
}

.acad-interests__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.acad-interests__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.acad-interest-tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-xl);
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Academics — Education Cards */
.acad-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.acad-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.acad-card__header {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.acad-card__icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.acad-card__info {
  flex: 1;
  min-width: 0;
}

.acad-card__institution {
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.3;
}

.acad-card__program {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.acad-card__degree {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 1rem;
  margin-top: var(--space-xs);
}

.acad-card__meta {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-xs);
  flex-wrap: wrap;
}

.acad-card__cgpa,
.acad-card__period {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.acad-card__cgpa {
  font-weight: 600;
  color: var(--color-secondary);
}

.acad-card__section {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.acad-card__section-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.acad-card__courses {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

/* Academics — Dissertation */
.acad-card__dissertation {
  background: var(--color-bg-alt);
  margin-left: calc(-1 * var(--space-xl));
  margin-right: calc(-1 * var(--space-xl));
  margin-bottom: calc(-1 * var(--space-xl));
  padding: var(--space-xl);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  border-top: 2px solid var(--color-secondary);
}

.acad-card__diss-title {
  font-weight: 700;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--color-secondary);
}

.acad-card__diss-period {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.acad-card__diss-summary {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: var(--space-sm);
}

.acad-card__diss-bullets {
  list-style: none;
  padding: 0;
  margin-top: var(--space-md);
}

.acad-card__diss-bullets li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
  padding-left: var(--space-lg);
  position: relative;
}

.acad-card__diss-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-secondary);
}

.acad-card__diss-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

/* Academics — Certifications & Awards */
.acad-certs {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.acad-cert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.acad-cert:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-sm);
}

.acad-cert__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: #dbeafe;
  color: var(--color-primary);
}

[data-theme="dark"] .acad-cert__icon {
  background: #1e3a5f;
}

.acad-cert__icon--award {
  background: #fef3c7;
  color: #d97706;
}

[data-theme="dark"] .acad-cert__icon--award {
  background: #451a03;
  color: #fbbf24;
}

.acad-cert__title {
  font-weight: 600;
  font-size: 0.95rem;
}

.acad-cert__meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Skills */
.skills__category {
  margin-bottom: var(--space-2xl);
}

.skills__category-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.skills__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.skill-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-xl);
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.skill-badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.skill-badge--genai { border-color: #8b5cf6; color: #8b5cf6; }
.skill-badge--ml { border-color: #2563eb; color: #2563eb; }
.skill-badge--cloud { border-color: #06b6d4; color: #06b6d4; }
.skill-badge--analytics { border-color: #10b981; color: #10b981; }
.skill-badge--programming { border-color: #f59e0b; color: #f59e0b; }

/* Projects */
.projects__filters {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-lg);
}

.project-card {
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-card__badge {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2em 0.6em;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.project-card__badge--enterprise { background: #dbeafe; color: #1d4ed8; }
.project-card__badge--research { background: #f3e8ff; color: #7c3aed; }
.project-card__badge--open-source { background: #d1fae5; color: #047857; }
.project-card__badge--personal { background: #fef3c7; color: #92400e; }

[data-theme="dark"] .project-card__badge--enterprise { background: #1e3a5f; color: #93c5fd; }
[data-theme="dark"] .project-card__badge--research { background: #3b1f6e; color: #c4b5fd; }
[data-theme="dark"] .project-card__badge--open-source { background: #064e3b; color: #6ee7b7; }
[data-theme="dark"] .project-card__badge--personal { background: #78350f; color: #fcd34d; }

.project-card__title {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

.project-card__company {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-sm);
}

.project-card__description {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: var(--space-md);
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.project-card__links {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* Contact */
.contact__channels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.contact__channel {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition);
}

.contact__channel:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.contact__channel--static {
  cursor: default;
}

.contact__channel--static:hover {
  transform: none;
  box-shadow: none;
}

.contact__channel-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.contact__channel-icon--email {
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
}

.contact__channel-icon--linkedin {
  background: rgba(10, 102, 194, 0.1);
  color: #0a66c2;
}

.contact__channel-icon--github {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.contact__channel-icon--location {
  background: rgba(234, 88, 12, 0.1);
  color: #ea580c;
}

.contact__channel-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact__channel-value {
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
}

.contact__channel-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.contact__channel-sub {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-2xl);
}

.contact__section-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
  font-weight: 700;
}

.contact__message-section {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  min-width: 0;
  overflow: hidden;
}

.contact__message-section .form__input,
.contact__message-section .form__select,
.contact__message-section .form__textarea {
  background: var(--color-bg-card);
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form__label {
  font-size: 0.9rem;
  font-weight: 600;
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  box-sizing: border-box;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form__textarea {
  min-height: 120px;
  resize: vertical;
}

.contact__submit {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  align-self: flex-start;
}

.contact__submit svg {
  flex-shrink: 0;
}

.contact__form-status {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  margin-top: var(--space-md);
}

.contact__form-status--success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #16a34a;
}

.contact__form-status--error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #dc2626;
}

.contact__form-status--error a {
  color: inherit;
  font-weight: 600;
}

.contact__sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact__resume-card,
.contact__availability-card,
.contact__relocation-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.contact__resume-desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
}

.contact__resume-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.contact__resume-links .btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  justify-content: center;
}

.contact__resume-links .btn svg {
  flex-shrink: 0;
}

.contact__avail-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
}

.contact__avail-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.contact__avail-dot--active {
  background: #22c55e;
  box-shadow: 0 0 6px rgba(34, 197, 94, 0.4);
}

.contact__avail-regions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.contact__relocation-desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
}

.contact__relocation-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.contact__relocation-region {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.88rem;
}

.contact__relocation-flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 22px;
  border-radius: 4px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.contact__relocation-note {
  margin-top: var(--space-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.contact__visa-note {
  margin-top: var(--space-sm);
  font-size: 0.82rem;
  color: #1d4ed8;
  font-weight: 600;
  padding: var(--space-xs) var(--space-sm);
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--radius-sm);
  display: inline-block;
}

[data-theme="dark"] .contact__visa-note {
  color: #93c5fd;
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-lg);
  z-index: 200;
  display: none;
  box-shadow: var(--shadow-lg);
}

.cookie-banner--visible {
  display: block;
}

.cookie-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.cookie-banner__text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  flex: 1;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-sm);
}

/* Utility Classes */
.text-center { text-align: center; }
.hidden { display: none; }