/* ==================== HEADER ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--space-md) 0;
  background: rgba(10, 10, 20, 0.85);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  transition: transform var(--transition-base), background var(--transition-base);
}

.header--hidden {
  transform: translateY(-100%);
}

.header--scrolled {
  background: rgba(10, 10, 20, 0.95);
}

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

.header__logo {
  font-size: var(--fs-xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.header__logo span {
  color: var(--color-accent);
}

.header__logo:hover,
.header__logo:focus {
  color: var(--color-text-primary);
}

/* Navigation */
.nav__list {
  display: flex;
  gap: var(--space-xl);
}

.nav__link {
  position: relative;
  color: var(--color-text-secondary);
  font-size: var(--fs-sm);
  font-weight: var(--font-weight-medium);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link:focus,
.nav__link--active {
  color: var(--color-text-primary);
}

.nav__link:hover::after,
.nav__link:focus::after,
.nav__link--active::after {
  width: 100%;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.lang-toggle__btn {
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lang-toggle__btn:hover,
.lang-toggle__btn--active {
  color: var(--color-accent);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: var(--space-sm);
  min-width: 44px;
  min-height: 44px;
}

.menu-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ==================== HERO SECTION ==================== */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
}

.hero__bg::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
  transform: translateX(-50%);
  pointer-events: none;
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
  text-align: center;
}

.hero__text {
  order: 2;
}

.hero__image {
  order: 1;
  display: flex;
  justify-content: center;
}

.hero__headshot {
  width: clamp(180px, 40vw, 280px);
  height: clamp(180px, 40vw, 280px);
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-accent);
  box-shadow: var(--shadow-glow);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.hero__headshot:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-glow-lg);
}

.hero__greeting {
  display: block;
  font-size: var(--fs-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.hero__name {
  font-size: var(--fs-hero);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-md);
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__role {
  font-size: var(--fs-2xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  min-height: 1.4em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.hero__role-indicator {
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

.hero__role-text {
  display: inline-block;
  position: relative;
}

.hero__role-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--color-accent);
  margin-left: 2px;
  animation: blink 1s infinite;
  vertical-align: middle;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  min-height: 36px;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  animation: float 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

.hero__scroll-icon {
  width: 24px;
  height: 24px;
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--fs-base);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  min-height: 48px;
  min-width: 48px;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg-primary);
}

.btn--primary:hover,
.btn--primary:focus {
  background: var(--color-accent-hover);
  color: var(--color-bg-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

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

.btn--secondary:hover,
.btn--secondary:focus {
  background: var(--color-accent-muted);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn--ghost:hover,
.btn--ghost:focus {
  color: var(--color-text-primary);
  background: var(--glass-bg);
}

.btn--sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--fs-sm);
  min-height: 40px;
}

.btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ==================== TAGS / BADGES ==================== */
.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.tag--highlight {
  background: var(--color-accent-muted);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--color-accent);
}

.tag--work {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
  color: #60A5FA;
}

.tag--education {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.3);
  color: #A78BFA;
}

/* ==================== GLASSMORPHISM CARDS ==================== */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.card:hover {
  background: var(--glass-bg-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card--no-hover:hover {
  transform: none;
  box-shadow: none;
}

/* ==================== SECTION STYLES ==================== */
.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section__kicker {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.section__title {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-sm);
}

.section__subtitle {
  font-size: var(--fs-lg);
  color: var(--color-text-secondary);
  max-width: 60ch;
  margin-inline: auto;
}

/* ==================== ABOUT SECTION ==================== */
.about {
  background: linear-gradient(180deg, transparent 0%, rgba(245, 158, 11, 0.02) 50%, transparent 100%);
}

.about__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about__text p {
  margin-bottom: var(--space-md);
}

.about__text p:last-of-type {
  margin-bottom: var(--space-lg);
}

.about__highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.stat {
  text-align: center;
  padding: var(--space-md);
}

.stat__number {
  font-size: var(--fs-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat__label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* ==================== PROJECTS SECTION ==================== */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--space-lg);
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  overflow: hidden;
}

.project-card__image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-elevated);
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card__image img {
  transform: scale(1.05);
}

.project-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.project-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
}

.project-card__title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-sm);
}

.project-card__description {
  flex: 1;
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

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

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

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.project-card__link:hover {
  color: var(--color-accent);
}

.project-card__link svg {
  width: 16px;
  height: 16px;
}

/* Coming Soon Card */
.project-card--coming-soon {
  opacity: 0.6;
}

.project-card--coming-soon:hover {
  transform: none;
  opacity: 0.7;
}

/* ==================== TIMELINE SECTION ==================== */
.timeline__container {
  position: relative;
  max-width: 900px;
  margin-inline: auto;
}

.timeline__line {
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--glass-border);
}

.timeline__line-fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  background: var(--color-accent);
  transition: height 0.5s ease-out;
}

.timeline__items {
  position: relative;
}

.timeline__item {
  position: relative;
  padding-left: 60px;
  padding-bottom: var(--space-2xl);
}

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

.timeline__dot {
  position: absolute;
  left: 14px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-bg-primary);
  border: 2px solid var(--glass-border);
  transition: all var(--transition-base);
  z-index: 1;
}

.timeline__item.is-visible .timeline__dot {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.timeline__item--current .timeline__dot {
  background: var(--color-accent);
  border-color: var(--color-accent);
  animation: pulse 2s infinite;
}

.timeline__content {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.timeline__item.is-visible .timeline__content {
  border-color: rgba(255, 255, 255, 0.15);
}

.timeline__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.timeline__period {
  font-size: var(--fs-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
}

.timeline__type {
  font-size: var(--fs-xs);
}

.timeline__title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-xs);
}

.timeline__org {
  font-size: var(--fs-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.timeline__location {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.timeline__description {
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

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

/* ==================== CONTACT SECTION ==================== */
.contact__card {
  max-width: 600px;
  margin-inline: auto;
  text-align: center;
}

.contact__title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-sm);
}

.contact__text {
  margin-bottom: var(--space-lg);
}

.contact__buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ==================== FOOTER ==================== */
.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--glass-border);
  background: rgba(10, 10, 20, 0.5);
}

.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

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

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  background: var(--color-accent);
  color: var(--color-bg-primary);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
}

.footer__legal {
  display: flex;
  gap: var(--space-lg);
  font-size: var(--fs-sm);
}

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

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

.footer__copyright {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* ==================== PAGE LOADER ==================== */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--color-bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-loader);
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.page-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ==================== LEGAL PAGE STYLES ==================== */
.legal {
  padding-top: 120px;
}

.legal__content h2 {
  font-size: var(--fs-xl);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal__content h3 {
  font-size: var(--fs-lg);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal__content p {
  margin-bottom: var(--space-md);
}

.legal__content ul {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.legal__content li {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  list-style: disc;
}

/* Noscript contact fallback */
.contact-noscript {
  padding: var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-family: monospace;
}

/* ==================== ABOUT PAGE COMPONENTS ==================== */
.about-page {
  padding-top: 120px;
}

.about-page__header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.about-page__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

.about-page__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr));
  gap: var(--space-2xl);
  align-items: start;
}

.about-page__card-title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-md);
}

.about-page__card-text {
  margin-bottom: var(--space-md);
}

.about-page__skill-category {
  font-size: var(--fs-base);
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.about-page__skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.about-page__skill-tags:last-child {
  margin-bottom: 0;
}

.about-page__current-role {
  max-width: 800px;
  margin: 0 auto;
}

.about-page__current-role-card {
  text-align: center;
}

.about-page__current-role-badge {
  margin-bottom: var(--space-md);
  display: inline-block;
}

.about-page__current-role-title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-sm);
}

.about-page__current-role-company {
  font-size: var(--fs-lg);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.about-page__current-role-description {
  margin-bottom: var(--space-lg);
}

.about-page__current-role-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ==================== CONTACT PAGE COMPONENTS ==================== */
.contact-page {
  padding-top: 120px;
  min-height: calc(100vh - 200px);
}

.contact-page__container {
  max-width: 700px;
  margin: 0 auto;
}

.contact-page__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.contact-page__options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.contact-card {
  text-align: center;
  text-decoration: none;
}

.contact-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.contact-card__icon--email {
  background: var(--color-accent-muted);
}

.contact-card__icon--linkedin {
  background: rgba(59, 130, 246, 0.1);
}

.contact-card__icon--github {
  background: rgba(139, 92, 246, 0.1);
}

.contact-card__icon--location {
  background: var(--glass-bg);
}

.contact-card__title {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
}

.contact-card__subtitle {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.contact-card__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.contact-card__text--muted {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}