:root {
  --bg: #12161A;
  --surface: #1B2127;
  --line: #2A333B;
  --text: #E8ECEF;
  --muted: #A3AEB8;
  --soft: #C9D2D9;
  --accent: #5EEAD4;
  --on-accent: #12161A;
  --btn-border: #3A4650;
  --c-prof: #7FB3E0;
  --c-pig: #5EC8BC;
  --c-tp: #DB95A3;
  --c-mp: #B79AD9;
  --sans: 'Space Grotesk', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #F4F6F8;
  --surface: #FFFFFF;
  --line: #D8DEE4;
  --text: #14202B;
  --muted: #4A5865;
  --soft: #33414D;
  --accent: #0F766E;
  --on-accent: #FFFFFF;
  --btn-border: #AAB6C0;
  --c-prof: #1F5A8C;
  --c-pig: #0F5F57;
  --c-tp: #A04560;
  --c-mp: #4A2A6B;
  color-scheme: light;
}

* {
  box-sizing: border-box
}

html {
  scroll-padding-top: 24px
}

@media (prefers-reduced-motion:no-preference) {
  html {
    scroll-behavior: smooth
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased
}

a {
  color: inherit
}

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

.wrap {
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 32px
}

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--accent);
  color: var(--on-accent);
  padding: 10px 16px;
  border-radius: 6px;
  z-index: 10
}

.skip:focus {
  left: 16px
}

/* topo */
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 40px 0 0;
  gap: 16px;
  flex-wrap: wrap
}

.brand {
  font-size: 18px;
  font-weight: 700;
  text-decoration: none
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--muted)
}

.nav a {
  text-decoration: none;
  padding: 10px 0
}

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

.theme {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  border: 1px solid var(--btn-border);
  background: var(--surface);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer
}

.theme:hover {
  border-color: var(--accent)
}

.theme .sun {
  display: none
}

:root[data-theme="light"] .theme .sun {
  display: block
}

:root[data-theme="light"] .theme .moon {
  display: none
}

/* hero */
.hero {
  padding: 72px 0 64px
}

.where {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent);
  margin: 0 0 20px
}

h1 {
  margin: 0;
  font-size: clamp(40px, 6.4vw, 64px);
  line-height: 1.05;
  max-width: 820px;
  letter-spacing: -.5px
}

.lead {
  font-size: 20px;
  color: var(--muted);
  max-width: 640px;
  margin: 24px 0 32px
}

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

.btn {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: 6px;
  border: 1px solid var(--btn-border);
  font-weight: 700;
  text-decoration: none
}

.btn:hover {
  border-color: var(--accent)
}

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

.btn.primary:hover {
  filter: brightness(1.08)
}

/* seções */
section {
  padding: 48px 0
}

h2 {
  margin: 0 0 28px;
  font-size: 32px;
  letter-spacing: -.3px
}

/* projetos */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px
}

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column
}

.card:hover {
  border-color: var(--tone)
}

.thumb {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2/1;
  object-fit: cover;
  border-bottom: 1px solid var(--line)
}

.body {
  padding: 24px 28px 26px;
  display: flex;
  flex-direction: column;
  flex: 1
}

.tag {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--tone);
  margin: 0
}

.card h3 {
  margin: 8px 0;
  font-size: 26px
}

.card h3 a {
  text-decoration: none
}

.card h3 a::after {
  content: "";
  position: absolute;
  inset: 0
}

.card p {
  margin: 0 0 14px;
  color: var(--muted)
}

.stack {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--soft);
  margin-top: auto
}

.links {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  position: relative;
  z-index: 1;
  flex-wrap: wrap
}

.links a {
  font-size: 15px;
  font-weight: 700;
  color: var(--tone);
  padding: 8px 0;
  text-underline-offset: 4px
}

.prof {
  --tone: var(--c-prof)
}

.pig {
  --tone: var(--c-pig)
}

.tp {
  --tone: var(--c-tp)
}

.mp {
  --tone: var(--c-mp)
}

/* stack */
.stacks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px
}

.group {
  border-top: 2px solid var(--accent);
  padding-top: 14px
}

.group h3 {
  margin: 0 0 10px;
  font-size: 18px
}

.group ul {
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--soft);
  display: flex;
  flex-direction: column;
  gap: 6px
}

/* sobre e contato */
.about p {
  max-width: 680px;
  font-size: 19px;
  color: var(--muted);
  margin: 0 0 16px
}

.about p:last-child {
  margin-bottom: 0
}

.contact {
  border-top: 1px solid var(--line);
  margin-top: 24px
}

.contact p {
  color: var(--muted);
  font-size: 19px;
  max-width: 560px;
  margin: 0 0 28px
}

footer {
  padding: 32px 0 56px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px
}

@media (max-width:820px) {
  .wrap {
    padding: 0 20px
  }

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

  .hero {
    padding: 48px 0
  }

  .lead,
  .about p,
  .contact p {
    font-size: 18px
  }

  .nav {
    gap: 16px
  }
}

.contact h2 {
  margin-top: 48px
}