:root {
  --bg: #0f1319;
  --surface: #161b23;
  --line: #262d38;
  --text: #e8ecf2;
  --muted: #9aa5b4;
  --accent: #38d6e8;
  --accent-ink: #06222a;
  --r: 18px
}

:root[data-theme=light] {
  --bg: #f6f7f9;
  --surface: #fff;
  --line: #dfe3ea;
  --text: #12161d;
  --muted: #566070;
  --accent: #0a7f90;
  --accent-ink: #fff
}

* {
  box-sizing: border-box
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.65 'Plus Jakarta Sans', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px
}

section {
  padding: 96px 0
}

h2 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 0 0 12px;
  font-weight: 700
}

.lead {
  color: var(--muted);
  max-width: 60ch;
  margin: 0 0 40px
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 24px
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  transition: transform .2s, border-color .2s
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent)
}

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

.tag {
  display: inline-block;
  font-size: 12.5px;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  margin: 0 6px 6px 0
}

/* nav */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line)
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px
}

.logo {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -.03em
}

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

.links {
  display: flex;
  gap: 26px;
  font-size: 14.5px;
  color: var(--muted)
}

.links a:hover {
  color: var(--text)
}

.nav-r {
  display: flex;
  gap: 10px;
  align-items: center
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: none;
  color: var(--text);
  cursor: pointer;
  font-size: 17px
}

#menu {
  display: none
}

.nav-r .btn {
  padding: 8px 16px;
  font-size: 14px
}

/* hero */
.hero {
  padding: 88px 0 72px
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center
}

.hello {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .08em;
  margin: 0 0 14px
}

h1 {
  font-size: clamp(40px, 6.4vw, 72px);
  line-height: 1.02;
  letter-spacing: -.035em;
  margin: 0 0 16px;
  font-weight: 800
}

.role {
  font-size: clamp(17px, 2vw, 21px);
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 20px
}

.hero p.intro {
  color: var(--muted);
  max-width: 56ch;
  margin: 0 0 30px
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px
}

.social {
  display: flex;
  gap: 18px;
  font-size: 14.5px;
  color: var(--muted)
}

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

.visual {
  position: relative;
  aspect-ratio: 1;
  max-width: 400px;
  justify-self: center;
  width: 100%
}

.photo {
  position: absolute;
  inset: 8%;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: var(--surface) center/cover;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  padding: 20px;
  overflow: hidden
}

.visual svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .55
}

.float {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .25)
}

.f1 {
  top: 2%;
  right: -4%
}

.f2 {
  top: 46%;
  left: -8%
}

.f3 {
  bottom: 3%;
  right: 2%
}

@media(prefers-reduced-motion:no-preference) {
  .hero .wrap>* {
    animation: in .8s both
  }

  .hero .visual {
    animation-delay: .15s
  }

  @keyframes in {
    from {
      opacity: 0;
      transform: translateY(14px)
    }
  }
}

/* about */
.about {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px
}

.about p {
  color: var(--muted);
  margin: 0 0 16px
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px
}

.stat b {
  display: block;
  font-size: 30px;
  letter-spacing: -.02em;
  color: var(--accent)
}

.stat span {
  font-size: 13.5px;
  color: var(--muted)
}

/* skills */
.grid3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px
}

.card h3 {
  margin: 0 0 14px;
  font-size: 17px
}

/* timeline */
.tl {
  border-left: 2px solid var(--line);
  margin-left: 6px;
  display: grid;
  gap: 22px
}

.tl .item {
  position: relative;
  margin-left: 26px
}

.tl .item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 28px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg)
}

.meta {
  font-size: 13.5px;
  color: var(--muted);
  margin: 0 0 10px
}

.item ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted)
}

/* projects */
.proj {
  display: flex;
  flex-direction: column;
  transition: border-color .2s, transform .2s
}

.proj:hover {
  border-color: var(--accent);
  transform: translateY(-3px)
}

.proj .cat {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 6px
}

.proj h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.3
}

.proj p {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 16px;
  flex: 1
}

.proj .row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px
}

.proj .row .btn {
  padding: 7px 14px;
  font-size: 13.5px
}

dialog {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--r);
  max-width: 560px;
  width: calc(100% - 32px);
  padding: 28px
}

dialog::backdrop {
  background: rgba(0, 0, 0, .6)
}

/* contact */
form {
  display: grid;
  gap: 14px
}

label {
  font-size: 14px;
  font-weight: 600;
  display: grid;
  gap: 6px
}

input,
textarea {
  font: inherit;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  width: 100%
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  outline: none
}

.err {
  color: #ff7b7b;
  font-size: 13px;
  font-weight: 500;
  min-height: 0
}

#status {
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 14.5px;
  display: none
}

#status.ok {
  display: block;
  background: rgba(56, 214, 140, .12);
  border: 1px solid #2fbf7a
}

#status.bad {
  display: block;
  background: rgba(255, 123, 123, .1);
  border: 1px solid #ff7b7b
}

.contact {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px
}

.cl {
  display: grid;
  gap: 12px;
  margin-top: 20px;
  color: var(--muted)
}

.cl a {
  color: var(--text)
}

.cl a:hover {
  color: var(--accent)
}

footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  color: var(--muted);
  font-size: 14px
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  align-items: center
}

footer nav {
  height: auto;
  gap: 18px;
  flex-wrap: wrap
}

@media(max-width:860px) {
  .links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 16px 24px;
    gap: 14px
  }

  .links.open {
    display: flex
  }

  #menu {
    display: block
  }

  .nav-r .btn {
    display: none
  }

  .hero .wrap,
  .about,
  .contact {
    grid-template-columns: 1fr
  }

  .visual {
    max-width: 320px
  }

  .f2 {
    left: -2%
  }

  .f1 {
    right: 0
  }

  section {
    padding: 72px 0
  }
}