:root {
  --bg: #0b1020;
  --bg2: #10162b;
  --surface: #141b33;
  --border: #222b4a;
  --text: #e8ebf5;
  --muted: #9aa3bf;
  --accent: #7c8cff;
  --accent2: #a78bfa;
  --r: 12px
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.7 Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased
}

a {
  color: inherit
}

.wrap {
  width: min(1040px, 100% - 40px);
  margin-inline: auto
}

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--accent);
  color: #0b1020;
  padding: 8px 14px;
  border-radius: 6px;
  z-index: 100
}

.skip:focus {
  left: 8px
}

:focus-visible {
  outline: 2px solid var(--accent2);
  outline-offset: 3px;
  border-radius: 4px
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 16, 32, .85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border)
}

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

.brand {
  font: 700 1.25rem 'JetBrains Mono', monospace;
  text-decoration: none
}

.brand span {
  color: var(--accent)
}

nav {
  display: flex;
  gap: 26px
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: .95rem;
  font-weight: 500;
  transition: color .2s
}

nav a:hover {
  color: var(--text)
}

.menu-btn {
  display: none;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer
}

.menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: transform .2s
}

.menu-btn[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg)
}

.menu-btn[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg)
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - 64px);
  padding: 56px 0
}

.eyebrow {
  font: 500 .9rem 'JetBrains Mono', monospace;
  color: var(--accent);
  margin: 0 0 8px
}

h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.12;
  margin: 0 0 12px;
  letter-spacing: -.02em
}

.role {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0 0 18px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent
}

.lead {
  color: var(--muted);
  max-width: 56ch;
  margin: 0 0 28px
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0
}

.btn {
  display: inline-block;
  padding: 11px 22px;
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  transition: border-color .2s, transform .2s, background .2s
}

.btn:hover {
  border-color: var(--accent);
  transform: translateY(-1px)
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0b1020
}

.btn.primary:hover {
  background: #95a1ff
}

.social {
  list-style: none;
  display: flex;
  gap: 20px;
  padding: 0;
  margin: 24px 0 0
}

.social a {
  color: var(--muted);
  text-decoration: none;
  font-size: .95rem;
  border-bottom: 1px solid transparent
}

.social a:hover {
  color: var(--text);
  border-color: var(--accent)
}

.photo {
  position: relative;
  width: min(320px, 70vw);
  aspect-ratio: 1;
  border-radius: 50%;
  justify-self: center;
  border: 2px solid var(--border);
  box-shadow: 0 0 0 8px var(--bg2), 0 0 60px rgba(124, 140, 255, .18);
  overflow: hidden;
  display: grid;
  place-items: center;
  background: var(--surface)
}

.photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover
}

.initials {
  font: 700 4rem 'JetBrains Mono', monospace;
  color: var(--accent)
}

section.wrap {
  padding: 72px 0;
  border-top: 1px solid var(--border)
}

h2 {
  font-size: 1.6rem;
  margin: 0 0 24px;
  letter-spacing: -.01em
}

h2 span {
  font: 500 .9rem 'JetBrains Mono', monospace;
  color: var(--accent);
  margin-right: 10px
}

h3 {
  margin: 0 0 10px;
  font-size: 1.05rem
}

p {
  margin: 0 0 14px
}

.muted {
  color: var(--muted)
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px
}

.skill-grid h3 {
  font: 500 .85rem 'JetBrains Mono', monospace;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em
}

.badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0
}

.badges li {
  padding: 5px 13px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  font-size: .88rem;
  font-weight: 500
}

.badges.small li {
  font-size: .8rem;
  padding: 3px 11px
}

.project {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 32px
}

.project-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px
}

.project h3 {
  font-size: 1.4rem;
  margin: 0
}

.kind {
  font: 500 .85rem 'JetBrains Mono', monospace;
  color: var(--accent);
  margin: 0
}

.features {
  padding-left: 20px;
  margin: 0 0 18px;
  color: var(--muted)
}

.features li {
  margin-bottom: 4px
}

.note {
  color: var(--muted);
  font-size: .95rem
}

.note strong {
  color: var(--text)
}

.edu {
  border-left: 2px solid var(--accent);
  padding-left: 20px
}

.edu p {
  margin: 0 0 4px
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg2);
  padding: 36px 0;
  font-size: .92rem
}

.site-footer .wrap {
  display: grid;
  gap: 14px
}

.site-footer .social {
  margin: 0
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease
}

.reveal.in {
  opacity: 1;
  transform: none
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none
  }

  .btn {
    transition: none
  }
}

@media (max-width:820px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 40px
  }

  .photo {
    order: -1;
    justify-self: start;
    width: 180px
  }

  .menu-btn {
    display: block
  }

  nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    display: none
  }

  nav.open {
    display: flex
  }

  nav a {
    padding: 14px 20px;
    border-top: 1px solid var(--border)
  }

  .project {
    padding: 22px
  }
}

/* Contact form */
.form {
  display: grid;
  gap: 18px;
  max-width: 560px;
  margin: 24px 0 8px
}

.field {
  display: grid;
  gap: 6px
}

.field label {
  font-size: .9rem;
  font-weight: 600
}

.field input,
.field textarea {
  width: 100%;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font: inherit;
  transition: border-color .2s
}

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

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 140, 255, .25)
}

.field.invalid input,
.field.invalid textarea {
  border-color: #f87171
}

.error {
  color: #fca5a5;
  font-size: .85rem;
  min-height: 1.2em
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0
}

.form .btn {
  justify-self: start;
  cursor: pointer;
  font-family: inherit
}

.form .btn[disabled] {
  opacity: .6;
  cursor: wait
}

.status {
  margin: 0;
  font-size: .95rem;
  min-height: 1.4em
}

.status.ok {
  color: #86efac
}

.status.fail {
  color: #fca5a5
}