/* -- brand tokens ----------------------------------------- */
:root {
  --preto: #000a0f; /* preto dark mode  */
  --roxo: #9655ff; /* roxo pixel       */
  --amarelo: #fef5bc; /* amarelo led      */
  --branco: #f7f7ff; /* branco new doc   */
  --roxo-dim: rgba(150, 85, 255, 0.14);
  --roxo-line: rgba(150, 85, 255, 0.3);
  --ink: var(--branco);
  --muted: rgba(247, 247, 255, 0.62);
  --faint: rgba(247, 247, 255, 0.52);
  --mono: "Ubuntu Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --sans: "Ubuntu", system-ui, -apple-system, sans-serif;
  --nav-w: 13rem;
  --maxw: 62rem;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--preto);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* subtle window-grid backdrop (grafismo "janelas") */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  background:
    radial-gradient(120% 90% at 85% -10%, var(--roxo-dim), transparent 55%),
    linear-gradient(var(--roxo-line) 1px, transparent 1px) 0 0/100% 5.5rem,
    linear-gradient(90deg, var(--roxo-line) 1px, transparent 1px) 0 0/5.5rem
      100%;
  -webkit-mask-image: linear-gradient(
    180deg,
    #000,
    transparent 30%,
    transparent 92%,
    #000
  );
  mask-image: linear-gradient(
    180deg,
    #000,
    transparent 30%,
    transparent 92%,
    #000
  );
}
a {
  color: inherit;
  text-decoration: none;
}
::selection {
  background: var(--roxo);
  color: var(--branco);
}

/* visible keyboard focus (a11y) */
a:focus-visible,
.btn:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.card:focus-visible,
.chip:focus-visible {
  outline: 2px solid var(--amarelo);
  outline-offset: 2px;
  border-radius: 0.3rem;
}

/* skip link */
.skip {
  position: absolute;
  left: 0.6rem;
  top: -3rem;
  z-index: 100;
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--preto);
  background: var(--amarelo);
  padding: 0.5rem 0.9rem;
  border-radius: 0.5rem;
  transition: top 0.15s;
}
.skip:focus {
  top: 0.6rem;
}

/* -- layout shell ----------------------------------------- */
.shell {
  position: relative;
  z-index: 1;
  margin-left: var(--nav-w);
}
@media (max-width: 860px) {
  .shell {
    margin-left: 0;
  }
}

/* -- side nav (desktop) ----------------------------------- */
nav.side {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--nav-w);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 1.6rem 1.1rem;
  border-right: 1px solid var(--roxo-line);
  background: rgba(0, 10, 15, 0.72);
  backdrop-filter: blur(8px);
}
nav.side .brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 2rem;
}
nav.side .brand svg {
  width: 1.9rem;
  height: auto;
  flex: none;
}
nav.side .brand b {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}
nav.side .brand b i {
  color: var(--amarelo);
  font-style: normal;
}
nav.side a.lnk {
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--muted);
  padding: 0.45rem 0.55rem;
  border-radius: 0.4rem;
  border-left: 2px solid transparent;
  transition:
    color 0.15s,
    background 0.15s,
    border-color 0.15s;
}
nav.side a.lnk:hover {
  color: var(--ink);
  background: var(--roxo-dim);
}
nav.side a.lnk.active {
  color: var(--amarelo);
  border-left-color: var(--amarelo);
  background: var(--roxo-dim);
}
nav.side .spacer {
  flex: 1;
}
nav.side .hint {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--faint);
  line-height: 1.5;
}
nav.side .hint kbd {
  font-family: var(--mono);
  color: var(--ink);
  border: 1px solid var(--roxo-line);
  border-radius: 0.3rem;
  padding: 0.05rem 0.35rem;
  background: var(--roxo-dim);
}

/* -- bottom bar (mobile) ---------------------------------- */
nav.bottom {
  display: none;
}
@media (max-width: 860px) {
  nav.side {
    display: none;
  }
  nav.bottom {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    justify-content: space-around;
    padding: 0.5rem 0.4rem;
    border-top: 1px solid var(--roxo-line);
    background: rgba(0, 10, 15, 0.92);
    backdrop-filter: blur(10px);
  }
  nav.bottom a {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--muted);
    padding: 0.35rem 0.5rem;
    border-radius: 0.4rem;
  }
  nav.bottom a.active {
    color: var(--amarelo);
    background: var(--roxo-dim);
  }
}

/* -- sections --------------------------------------------- */
section {
  position: relative;
  max-width: var(--maxw);
  padding: 6rem clamp(1.4rem, 5vw, 4rem);
  scroll-margin-top: 1rem;
}
@media (max-width: 860px) {
  section {
    padding: 4rem 1.4rem 5rem;
  }
}
.vlabel {
  position: absolute;
  top: 6rem;
  right: 0.4rem;
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--roxo);
  letter-spacing: 0.05em;
  opacity: 0.8;
  user-select: none;
}
@media (max-width: 980px) {
  .vlabel {
    display: none;
  }
}
h2.head {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  letter-spacing: -0.02em;
  margin: 0 0 1.6rem;
  line-height: 1.1;
  text-transform: lowercase;
}
h2.head .sl {
  color: var(--amarelo);
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--roxo);
  text-transform: lowercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.8rem;
}
p.lead {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 46rem;
}
strong {
  font-weight: 500;
  color: var(--ink);
}

/* -- hero ------------------------------------------------- */
.hero {
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 7rem;
}
.hero .sym {
  width: clamp(3.4rem, 9vw, 5rem);
  height: auto;
  margin-bottom: 1.6rem;
}
.hero h1 {
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(2.6rem, 9vw, 5.2rem);
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin: 0 0 1rem;
}
.hero h1 .sl {
  color: var(--amarelo);
}
.hero .tag {
  font-family: var(--mono);
  font-size: clamp(0.9rem, 2.4vw, 1.15rem);
  color: var(--roxo);
  font-style: italic;
  margin: 0 0 2rem;
}
.hero .pitch {
  font-size: clamp(1.05rem, 2.6vw, 1.35rem);
  max-width: 38rem;
  color: var(--ink);
  font-weight: 300;
  line-height: 1.5;
}
.hero .pitch b {
  color: var(--amarelo);
  font-weight: 500;
}
.cta {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 2.4rem;
}
.btn {
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 0.7rem 1.2rem;
  border-radius: 0.55rem;
  border: 1px solid var(--roxo-line);
  color: var(--ink);
  transition: 0.15s;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
}
.btn:hover {
  background: var(--roxo-dim);
  border-color: var(--roxo);
}
.btn.primary {
  background: var(--roxo);
  border-color: var(--roxo);
  color: var(--branco);
  font-weight: 700;
}
.btn.primary:hover {
  background: #a872ff;
}

/* -- marca ------------------------------------------------ */
.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-top: 2rem;
}
@media (max-width: 760px) {
  .grid2 {
    grid-template-columns: 1fr;
  }
}
.panel {
  border: 1px solid var(--roxo-line);
  border-radius: 0.8rem;
  padding: 1.6rem;
  background: linear-gradient(180deg, var(--roxo-dim), transparent);
}
.panel h3 {
  font-family: var(--mono);
  font-size: 1rem;
  margin: 0 0 0.7rem;
  color: var(--ink);
}
.panel h3 .sl {
  color: var(--amarelo);
}
.panel p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}
.spheres {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.sphere {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--roxo);
  border: 1px solid var(--roxo-line);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}
.voice {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.4rem;
}
.chip {
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--roxo-line);
  color: var(--muted);
  transition: 0.15s;
}
.chip:hover {
  color: var(--amarelo);
  border-color: var(--amarelo);
  transform: translateY(-2px);
}

/* -- trabalhos -------------------------------------------- */
.group {
  margin-top: 2.6rem;
}
.group > .glabel {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--amarelo);
  margin-bottom: 1rem;
  display: block;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr));
  gap: 1rem;
}
.card {
  display: block;
  border: 1px solid var(--roxo-line);
  border-radius: 0.8rem;
  padding: 1.3rem;
  background: rgba(150, 85, 255, 0.05);
  transition:
    transform 0.25s,
    border-color 0.2s,
    background 0.2s;
}
/* reveal-on-scroll only when JS is present; no-JS keeps content visible */
html.js .card {
  opacity: 0;
  transform: translateY(22px);
}
html.js .card.in {
  opacity: 1;
  transform: none;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--roxo);
  background: var(--roxo-dim);
}
.card .ct {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}
.card h4 {
  font-family: var(--mono);
  font-size: 1.02rem;
  margin: 0;
  color: var(--ink);
}
.card h4 .sl {
  color: var(--amarelo);
}
.card .arrow {
  font-family: var(--mono);
  color: var(--faint);
  transition: 0.2s;
}
.card:hover .arrow {
  color: var(--amarelo);
  transform: translate(3px, -3px);
}
.card p {
  margin: 0.6rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}
.card .meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--roxo);
  margin-top: 0.9rem;
  display: block;
}
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2.6rem;
}
.links a {
  font-family: var(--mono);
  font-size: 0.86rem;
  padding: 0.55rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--roxo-line);
  color: var(--ink);
  transition: 0.15s;
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
}
.links a:hover {
  background: var(--roxo-dim);
  border-color: var(--roxo);
  color: var(--amarelo);
}

/* -- briefing form ---------------------------------------- */
form {
  max-width: 40rem;
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.field label {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
}
.field label .sl {
  color: var(--amarelo);
}
.field label .opt {
  color: var(--faint);
}
.field input,
.field textarea {
  font-family: var(--sans);
  font-size: 0.96rem;
  color: var(--ink);
  background: rgba(247, 247, 255, 0.04);
  border: 1px solid var(--roxo-line);
  border-radius: 0.55rem;
  padding: 0.75rem 0.9rem;
  width: 100%;
  resize: vertical;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--roxo);
  background: var(--roxo-dim);
}
.field textarea {
  min-height: 7rem;
}
.field .fieldnote {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--faint);
}
form .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}
@media (max-width: 600px) {
  form .row {
    grid-template-columns: 1fr;
  }
}
.formnote {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--faint);
  margin-top: -0.3rem;
}

/* -- footer/ empresa ------------------------------------- */
footer {
  position: relative;
  z-index: 1;
  margin-left: var(--nav-w);
  border-top: 1px solid var(--roxo-line);
  padding: 3rem clamp(1.4rem, 5vw, 4rem) 6rem;
  max-width: var(--maxw);
}
@media (max-width: 860px) {
  footer {
    margin-left: 0;
    padding-bottom: 6rem;
  }
}
footer .frow {
  display: flex;
  flex-wrap: wrap;
  gap: 2.4rem;
  justify-content: space-between;
}
footer .legal {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.9;
}
footer .legal .k {
  color: var(--roxo);
}
footer .sig {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-weight: 700;
}
footer .sig svg {
  width: 1.6rem;
}
footer .sig i {
  color: var(--amarelo);
  font-style: normal;
}
footer .copy {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--faint);
  margin-top: 2.4rem;
}

/* -- command palette (easter egg) ------------------------- */
.palette-bg {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  align-items: flex-start;
  justify-content: center;
  background: rgba(0, 10, 15, 0.6);
  backdrop-filter: blur(4px);
  padding-top: 18vh;
}
.palette-bg.open {
  display: flex;
}
.palette {
  width: min(34rem, 92vw);
  border: 1px solid var(--roxo);
  border-radius: 0.9rem;
  overflow: hidden;
  background: #04121a;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  font-family: var(--mono);
}
.palette .pin {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--roxo-line);
}
.palette .pin span {
  color: var(--amarelo);
}
.palette input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 1rem;
  outline: none;
}
.palette .out {
  padding: 0.9rem 1rem;
  color: var(--amarelo);
  font-size: 0.9rem;
  white-space: pre-wrap;
  border-bottom: 1px solid var(--roxo-line);
  display: none;
}
.palette ul {
  list-style: none;
  margin: 0;
  padding: 0.4rem;
  max-height: 46vh;
  overflow: auto;
}
.palette li {
  padding: 0.55rem 0.7rem;
  border-radius: 0.45rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.86rem;
  cursor: pointer;
}
.palette li.sel,
.palette li:hover {
  background: var(--roxo-dim);
  color: var(--ink);
}
.palette li .d {
  color: var(--faint);
  font-size: 0.76rem;
}
.palette li.sel .d {
  color: var(--amarelo);
}

/* -- reduced motion (a11y) -------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
  html.js .card {
    opacity: 1 !important;
    transform: none !important;
  }
}