:root {
  color-scheme: dark;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Playfair Display', 'Inter', serif;
  --color-background: #05070d;
  --color-surface: #0f121c;
  --color-surface-soft: rgba(15, 18, 28, 0.65);
  --color-text: #f5f7ff;
  --color-muted: #9aa4c2;
  --color-accent: #ff7ab8;
  --color-border: rgba(148, 170, 209, 0.16);
  --shadow-soft: 0 24px 60px rgba(5, 7, 13, 0.7);
  --max-width: 1080px;
  --transition: 160ms ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  background: radial-gradient(circle at 12% 20%, #1a2235 0%, var(--color-background) 65%);
  color: var(--color-text);
  display: flex;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 3rem);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
}

.page {
  width: 100%;
  max-width: var(--max-width);
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.hero {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  gap: 1rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-right: auto;
}

.nav-links a {
  position: relative;
  padding-block: 0.25rem;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-toggle {
  display: inline-flex;
  padding: 0.2rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-soft);
  backdrop-filter: blur(6px);
}

.lang-button {
  border: none;
  background: transparent;
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.lang-button:hover,
.lang-button:focus-visible {
  background: rgba(255, 122, 184, 0.16);
}

.lang-button.active {
  background: var(--color-accent);
  color: #04060d;
  box-shadow: 0 10px 24px rgba(255, 122, 184, 0.32);
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  background: var(--color-accent);
  color: #04060d;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: transform var(--transition), box-shadow var(--transition);
}

.cta:hover,
.cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(255, 122, 184, 0.3);
  text-decoration: none;
}

.hero-content {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  align-items: center;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-greeting {
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.hero-title {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-family: var(--font-display);
  line-height: 1.1;
}

.hero-subtitle {
  margin: 0;
  font-size: 1.05rem;
  color: var(--color-muted);
  max-width: 36ch;
}

.hero-location {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-muted);
  max-width: 36ch;
}

.hero-portrait {
  display: flex;
  justify-content: flex-end;
}

.portrait-frame {
  position: relative;
  width: min(320px, 100%);
  aspect-ratio: 3 / 4;
  border-radius: 28px;
  background: var(--color-surface);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.portrait-frame::after {
  content: '';
  position: absolute;
  inset: 12px;
  border-radius: 24px;
  border: 1px solid rgba(255, 122, 184, 0.35);
  pointer-events: none;
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

main {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.card {
  background: var(--color-surface);
  border-radius: 28px;
  padding: clamp(1.8rem, 3vw, 2.4rem);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 170, 209, 0.18);
  backdrop-filter: blur(8px);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-header h2 {
  margin: 0;
  font-size: 1.5rem;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.profile-card {
  background: linear-gradient(140deg, rgba(255, 122, 184, 0.12), transparent 55%),
    linear-gradient(320deg, rgba(86, 100, 255, 0.12), transparent 60%), var(--color-surface);
  border: 1px solid rgba(255, 122, 184, 0.2);
  box-shadow: 0 20px 50px rgba(8, 10, 18, 0.6);
}

.about-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
}

.about-highlights {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.8rem;
}

.about-highlight {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.9rem 1rem;
  border-radius: 18px;
  background: rgba(255, 122, 184, 0.16);
  color: var(--color-text);
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.about-highlight::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(255, 210, 240, 0.3), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.about-highlight:hover::before,
.about-highlight:focus-visible::before {
  opacity: 1;
}

.about-details dl {
  margin: 0;
  display: grid;
  gap: 1rem;
}

.about-details dt {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.about-details dd {
  margin: 0.35rem 0 0;
  font-weight: 500;
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2.5rem;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255, 122, 184, 0.28);
}

.timeline-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 1.25rem;
}

.timeline-marker {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 3px solid var(--color-surface);
  background: var(--color-accent);
  box-shadow: 0 10px 30px rgba(255, 122, 184, 0.35);
  transform: translateY(6px);
}

.timeline-content {
  background: rgba(15, 18, 28, 0.88);
  border-radius: 20px;
  padding: 1.25rem 1.4rem;
  border: 1px solid rgba(255, 122, 184, 0.22);
  display: grid;
  gap: 1rem;
}

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

.timeline-header h3 {
  margin: 0;
  font-size: 1.2rem;
}

.timeline-company {
  margin: 0.35rem 0 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.timeline-period {
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.timeline-description {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.5rem;
  color: var(--color-muted);
}

.timeline-description li {
  line-height: 1.55;
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.chip {
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  background: rgba(255, 122, 184, 0.14);
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 500;
}

.education-grid {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.education-item {
  border-radius: 18px;
  border: 1px solid var(--color-border);
  padding: 1.2rem;
  background: rgba(15, 18, 28, 0.92);
  display: grid;
  gap: 0.6rem;
}

.education-item h3 {
  margin: 0;
  font-size: 1.1rem;
}

.education-school {
  margin: 0;
  color: var(--color-muted);
}

.education-period {
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.projects-header {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.filters {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.3rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-soft);
}

.filter-button {
  border: none;
  padding: 0.45rem 1.1rem;
  background: transparent;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition);
}

.filter-button:hover,
.filter-button:focus-visible {
  background: rgba(255, 122, 184, 0.16);
}

.filter-button.active {
  background: var(--color-accent);
  color: #04060d;
  box-shadow: 0 12px 26px rgba(255, 122, 184, 0.28);
}

.project-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1fr);
}

.project-card {
  border-radius: 20px;
  border: 1px solid rgba(255, 122, 184, 0.22);
  padding: 1.5rem;
  background: rgba(15, 18, 28, 0.9);
  display: grid;
  gap: 0.9rem;
  transition: transform var(--transition), box-shadow var(--transition);
  width: 100%;
}

.project-card:hover,
.project-card:focus-within {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(255, 122, 184, 0.24);
}

.project-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.project-card-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.project-card-title {
  display: grid;
  gap: 0.35rem;
}

.project-category {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.project-link {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(255, 122, 184, 0.15);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.project-link:hover,
.project-link:focus-visible {
  background: var(--color-accent);
  color: #04060d;
}

.project-subtitle {
  margin: 0;
  color: var(--color-muted);
  font-weight: 500;
}

.project-card ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.45rem;
  color: var(--color-muted);
}

.spotify-widget iframe {
  border-radius: 18px;
}

.languages-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.languages-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.1rem;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  background: rgba(15, 18, 28, 0.9);
}

.language-level {
  font-weight: 500;
  color: var(--color-muted);
}

.interest-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.footer {
  margin-top: 1rem;
  display: grid;
  gap: 1.5rem;
  place-items: center;
  text-align: center;
}

.footer-card {
  max-width: 560px;
  display: grid;
  gap: 1.1rem;
}

.footer-card h2 {
  margin: 0;
  font-size: 1.6rem;
}

.footer-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.footer-socials {
  display: flex;
  gap: 0.8rem;
}

.footer-socials a {
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 122, 184, 0.18);
  font-size: 0.9rem;
  transition: background var(--transition), transform var(--transition);
}

.footer-socials a:hover,
.footer-socials a:focus-visible {
  background: rgba(255, 122, 184, 0.32);
  transform: translateY(-1px);
  text-decoration: none;
}

.footer-meta {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

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

  .timeline::before {
    left: 10px;
  }

  .timeline-item {
    grid-template-columns: 20px 1fr;
  }
}

@media (max-width: 640px) {
  body {
    padding: 1.5rem;
  }

  .card {
    border-radius: 22px;
  }

  .portrait-frame {
    border-radius: 24px;
  }

  .portrait-frame::after {
    border-radius: 20px;
  }

  .footer-actions {
    flex-direction: column;
  }

  .footer-socials {
    justify-content: center;
  }
}