:root {
  color-scheme: dark;
  --bg: #06080f;
  --bg-alt: #0e1424;
  --accent: #8a63ff;
  --accent-soft: rgba(138, 99, 255, 0.1);
  --text-primary: #f5f7ff;
  --text-muted: #b4bdd6;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 16px 40px rgba(6, 8, 15, 0.35);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --max-width: 1100px;
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at 0% 0%, rgba(138, 99, 255, 0.08), transparent 45%),
    radial-gradient(circle at 80% 10%, rgba(82, 210, 255, 0.12), transparent 55%),
    linear-gradient(160deg, #05060b 0%, #0e1220 35%, #05060b 100%);
  color: var(--text-primary);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

.section {
  padding: clamp(4rem, 8vw, 6rem) 0;
}

.section--accent {
  background: rgba(14, 20, 36, 0.75);
  backdrop-filter: blur(16px);
}

.section__header {
  max-width: 640px;
  margin-bottom: 3rem;
}

.section__header h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
}

.section__header p {
  margin: 0;
  color: var(--text-muted);
}

.hero {
  padding: clamp(5rem, 10vw, 7rem) 0 4rem;
}

.hero__content {
  display: grid;
  gap: 3rem;
  align-items: start;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.hero__tag {
  display: inline-flex;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.hero__text h1 {
  margin: 1.5rem 0 1rem;
  font-size: clamp(2.6rem, 6vw, 3.6rem);
  line-height: 1.1;
}


.hero__name,
.hero__surname {
  display: block;
  letter-spacing: 0.12em;
}

.hero__surname {
  color: var(--accent);
}

.hero__location {
  margin: 0 0 1.5rem;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.hero__terminal {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: rgba(10, 14, 24, 0.85);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  margin-bottom: 2rem;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.95rem;
}

.hero__terminal p {
  margin: 0 0 0.4rem;
}

.hero__terminal p:last-child {
  margin-bottom: 0;
}

.hero__terminal strong {
  color: var(--accent);
}

.hero__training {
  color: var(--accent);
}


.hero__intro {
  margin: 0 0 2rem;
  color: var(--text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.7rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-weight: 600;
  letter-spacing: 0.01em;
  background: var(--accent);
  color: #06080f;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  box-shadow: 0 10px 30px rgba(138, 99, 255, 0.35);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(138, 99, 255, 0.4);
}

.button--ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: none;
}

.button--ghost:hover,
.button--ghost:focus-visible {
  background: rgba(138, 99, 255, 0.15);
  color: var(--accent);
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: 0;
}

.hero__metrics div {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(14, 20, 36, 0.55);
}

.hero__metrics dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.hero__metrics dd {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

.hero__card {
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  background: rgba(14, 20, 36, 0.75);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero__card h2 {
  margin-top: 0;
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero__card ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 1rem;
}

.hero__card li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-muted);
}

.hero__card li::before {
  content: '';
  position: absolute;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  left: 0;
  top: 0.4rem;
  box-shadow: 0 0 10px rgba(138, 99, 255, 0.5);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: rgba(10, 14, 24, 0.85);
  border: 1px solid var(--border);
  transition: transform var(--transition), border-color var(--transition);
}

.card:hover,
.card:focus-within {
  transform: translateY(-6px);
  border-color: rgba(138, 99, 255, 0.6);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.4rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
}


.tag-list,
.chip-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag-list li,
.chip-list li {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: rgba(138, 99, 255, 0.12);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}



.card--project {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card__stack {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  color: var(--accent);
}

.skills {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.skills__group {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: rgba(10, 14, 24, 0.85);
  border: 1px solid var(--border);
}

.skills__group h3 {
  margin: 0 0 1rem;
}

.skills__group ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  color: var(--text-muted);
}


.about__layout {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.about__intro p {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
}

.about__expertise {
  display: grid;
  gap: 1.5rem;
}


.timeline {
  position: relative;
  border-left: 1px solid var(--border);
  margin-left: 1rem;
  display: grid;
  gap: 2.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: -0.7rem;
  top: 0;
  bottom: 0;
  width: 0.2rem;
  background: linear-gradient(180deg, rgba(138, 99, 255, 0.4), transparent);
}

.timeline__item {
  position: relative;
  padding-left: 2.5rem;
}

.timeline__marker {
  position: absolute;
  left: -1.35rem;
  top: 0.2rem;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(138, 99, 255, 0.45);
}

.timeline__content {
  background: rgba(10, 14, 24, 0.85);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.timeline__period {
  margin: 0.2rem 0 0.8rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}


.timeline__tags {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline__tags li {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(138, 99, 255, 0.12);
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.projects-grid {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  background: rgba(10, 14, 24, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid transparent;
  background: linear-gradient(135deg, rgba(138, 99, 255, 0.4), rgba(82, 210, 255, 0.2)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover,
.project-card:focus-within {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(6, 8, 15, 0.55);
  border-color: rgba(138, 99, 255, 0.45);
}

.project-card:hover::before,
.project-card:focus-within::before {
  opacity: 1;
}

.project-card__visual {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: radial-gradient(circle at 20% 20%, rgba(138, 99, 255, 0.18), transparent 70%);
}

.project-card__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 0.6s ease, filter 0.6s ease;
}

.project-card:hover .project-card__visual img,
.project-card:focus-within .project-card__visual img {
  transform: scale(1.08);
  filter: saturate(1.25);
}

.project-card__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(6, 8, 15, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.project-card__body {
  padding: 1.8rem 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-transform: uppercase;
}

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

.project-card__stack {
  color: rgba(180, 189, 214, 0.8);
}

.project-card__body h3 {
  margin: 0;
  font-size: 1.45rem;
  letter-spacing: -0.01em;
}

.project-card__body p {
  margin: 0;
  color: var(--text-muted);
}

.project-card__highlights {
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--text-muted);
  display: grid;
  gap: 0.45rem;
}

.project-card__highlights li {
  position: relative;
  padding-left: 1.25rem;
}

.project-card__highlights li::before {
  content: '';
  position: absolute;
  top: 0.6em;
  left: 0;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  transform: translateY(-50%);
  background: linear-gradient(135deg, rgba(138, 99, 255, 0.9), rgba(82, 210, 255, 0.8));
  box-shadow: 0 0 8px rgba(138, 99, 255, 0.55);
}

.project-card__footer {
  padding: 0 1.75rem 1.75rem;
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
}

.project-card__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-card__tags li {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(138, 99, 255, 0.12);
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-sm);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: rgba(138, 99, 255, 0.14);
  border: 1px solid rgba(138, 99, 255, 0.3);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.project-card__link span {
  display: inline-block;
  transition: transform var(--transition);
}

.project-card__link:hover,
.project-card__link:focus-visible {
  background: rgba(138, 99, 255, 0.25);
  color: #fff;
  transform: translateY(-2px);
}

.project-card__link:hover span,
.project-card__link:focus-visible span {
  transform: translateX(4px);
}

.project-card--featured {
  background: linear-gradient(135deg, rgba(138, 99, 255, 0.16), rgba(6, 8, 15, 0.92));
}

.project-card--featured .project-card__badge {
  background: rgba(138, 99, 255, 0.18);
  color: #fff;
  border-color: rgba(138, 99, 255, 0.4);
}

@media (max-width: 620px) {
  .project-card__footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .project-card__link {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 960px) {
  .projects-grid {
    gap: 2rem;
  }

  .project-card--featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    align-items: stretch;
  }

  .project-card--featured .project-card__visual {
    grid-row: 1 / 3;
    height: 100%;
  }

  .project-card--featured .project-card__body {
    grid-column: 2;
    grid-row: 1;
    padding: 2.25rem 2.25rem 1.5rem;
  }

  .project-card--featured .project-card__footer {
    grid-column: 2;
    grid-row: 2;
    padding: 0 2.25rem 2.25rem;
  }
}


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

.contact__text h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 2.75rem);
}

.contact__text p {
  margin: 0;
  color: var(--text-muted);
}

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}


.contact__details {
  display: grid;
  gap: 1.5rem;
}

.contact__info {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.contact__info li {
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: rgba(10, 14, 24, 0.85);
}

.contact__info strong {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.contact__info span {
  font-size: 1.05rem;
}

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

.social-links a {
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: border-color var(--transition), color var(--transition);
}

.social-links a:hover,
.social-links a:focus {
  border-color: var(--accent);
  color: var(--accent);
}


.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(6, 8, 15, 0.8);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.site-header.is-elevated {
  box-shadow: 0 10px 30px rgba(6, 8, 15, 0.4);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
}

.site-nav a {
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(6, 8, 15, 0.9);
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.back-to-top {
  position: fixed;
  right: 1.75rem;
  bottom: 1.75rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: none;
  background: rgba(138, 99, 255, 0.85);
  color: #06080f;
  font-size: 1.5rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 32px rgba(138, 99, 255, 0.35);
  transition: opacity var(--transition), transform var(--transition);
  opacity: 0;
  pointer-events: none;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-4px);
}

.back-to-top:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

@media (max-width: 960px) {
  .site-nav {
    position: fixed;
    inset: 0 0 auto 0;
    top: 64px;
    flex-direction: column;
    background: rgba(6, 8, 15, 0.98);
    padding: 2rem;
    gap: 1.25rem;
    transform: translateY(-110%);
    transition: transform 200ms ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-nav.is-open {
    transform: translateY(0);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-header .container {
    padding: 1rem 0;
  }
}

@media (max-width: 640px) {
  .hero__metrics {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }

  .card,
  .skills__group,
  .hero__card {
    padding: 1.75rem;
  }

  .hero__terminal {
    font-size: 0.85rem;
  }


  .site-footer .container {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}