/* ============================================================
   aicod — HOME "campo ascii" (v11)
   Base: Midjourney (IA que se desenha em ASCII, voz mono, títulos leves c/ glifo âmbar)
   + Verse (índice em células de linha fina, raio 0)
   + Gt-planar (rótulos técnicos em caixa, display gigante com tracking negativo)
   Papéis de cor: --sig = estado vivo / ação principal / cursor · --amb = só glifo de seção
   ============================================================ */

:root {
  --void: #040605;
  --void-2: #070b09;
  --line: rgba(205, 255, 225, .09);
  --line-2: rgba(205, 255, 225, .2);
  --text: #d5e3db;
  --dim: #82918a;
  --faint: #4b5852;
  --sig: #19e68c;
  --sig-dim: rgba(25, 230, 140, .14);
  --amb: #f0b100;
  --display: 'Martian Mono', 'Geist Mono', ui-monospace, monospace;
  --mono: 'Geist Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --sans: 'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --gut: clamp(16px, 4vw, 48px);
  --ease: cubic-bezier(.2, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body.lab {
  background: var(--void);
  color: var(--text);
  font: 400 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  cursor: crosshair;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--sig); color: var(--void); }
.mono { font-family: var(--mono); }
.sig { color: var(--sig); font-style: normal; }
.amb { color: var(--amb); font-weight: 400; }

/* ---------- campo WebGL ---------- */
#field {
  position: fixed; inset: 0; width: 100vw; height: 100vh;
  z-index: 0; display: block;
  background: radial-gradient(ellipse at 70% 40%, #08110c 0%, var(--void) 60%);
}
.scan {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(0,0,0,0) 0 2px, rgba(0,0,0,.18) 2px 3px);
  mix-blend-mode: multiply; opacity: .55;
}
.lens-tag {
  position: fixed; z-index: 30; pointer-events: none;
  font: 500 10px/1 var(--mono); letter-spacing: .06em;
  color: var(--sig); padding: 4px 6px; border: 1px solid var(--sig-dim);
  background: rgba(4, 6, 5, .7);
  transform: translate(18px, 18px); opacity: 0; transition: opacity .2s;
  white-space: nowrap;
}
.lens-tag.on { opacity: 1; }

/* ---------- boot ---------- */
.boot {
  position: fixed; inset: 0; z-index: 100; background: var(--void);
  display: none; align-items: flex-end; padding: var(--gut);
  transition: opacity .5s var(--ease), visibility .5s;
}
.boot pre { font: 400 12px/1.7 var(--mono); color: var(--dim); white-space: pre-wrap; }
.boot pre b { color: var(--sig); font-weight: 400; }
.boot.done { opacity: 0; visibility: hidden; }
html.booting .boot { display: flex; }

/* ---------- barra ---------- */
.bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; align-items: center; gap: 28px;
  height: 56px; padding: 0 var(--gut);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(to bottom, rgba(4,6,5,.92), rgba(4,6,5,.55));
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.logo { font: 600 18px/1 var(--mono); letter-spacing: -.02em; color: #fff; }
.logo i { color: var(--sig); font-style: normal; animation: blink 1.1s steps(1) infinite; }
.bar-read { display: flex; gap: 14px; font-size: 11px; color: var(--faint); letter-spacing: .04em; }
.bar-read #clock { color: var(--dim); font-variant-numeric: tabular-nums; }
.bar-nav { display: flex; gap: 22px; margin-left: auto; font: 400 12px/1 var(--mono); letter-spacing: .04em; }
.bar-nav a { color: var(--dim); position: relative; padding: 6px 0; transition: color .2s; }
.bar-nav a:hover { color: var(--text); }
.bar-nav a::before { content: '/'; color: var(--faint); margin-right: 4px; }
.bar-nav .lang { color: var(--text); border: 1px solid var(--line-2); padding: 5px 8px; }
.bar-nav .lang::before { content: none; }
.btn-box {
  background: none; border: 0; cursor: pointer;
  font: 500 12px/1 var(--mono); letter-spacing: .04em; color: var(--sig);
  padding: 9px 4px; white-space: nowrap; transition: color .2s, background .2s;
}
.btn-box span { color: var(--faint); padding: 0 4px; transition: padding .25s var(--ease), color .2s; }
.btn-box:hover span { padding: 0 9px; color: var(--sig); }
.burger { display: none; background: none; border: 0; width: 28px; height: 28px; position: relative; cursor: pointer; }
.burger span { position: absolute; left: 4px; right: 4px; height: 1px; background: var(--text); transition: transform .3s; }
.burger span:first-child { top: 11px; } .burger span:last-child { top: 17px; }
body.nav-open .burger span:first-child { transform: translateY(3px) rotate(45deg); }
body.nav-open .burger span:last-child { transform: translateY(-3px) rotate(-45deg); }

/* ---------- conteúdo ---------- */
main { position: relative; z-index: 2; }
section { position: relative; }

.hero {
  min-height: 100svh; display: flex; align-items: flex-end;
  padding: 120px var(--gut) clamp(40px, 9vh, 96px);
}
.hero-in { max-width: 760px; }
.kicker { font-size: 12px; color: var(--dim); letter-spacing: .06em; margin-bottom: 26px; }
.kicker .sig { font-size: 9px; vertical-align: 2px; animation: pulse 2s ease-in-out infinite; }
.mega {
  font-family: var(--display); font-weight: 300; font-stretch: 75%;
  font-size: clamp(42px, 7.6vw, 120px); line-height: .92; letter-spacing: -.055em;
  color: #f1f7f3; text-wrap: balance;
}
.mega .line { display: block; }
.mega [data-scramble] { white-space: nowrap; }
.sec-h .ln[data-scramble] { display: block; white-space: nowrap; }
.mega-sm [data-scramble] { white-space: normal; }
.cur { color: var(--sig); font-style: normal; animation: blink 1.1s steps(1) infinite; margin-left: .04em; }
.hero-sub, .row-body p, .cell p { text-shadow: 0 0 14px var(--void), 0 0 4px var(--void); }
.hero-sub { max-width: 540px; margin-top: 28px; color: var(--dim); font-size: 17px; line-height: 1.6; text-wrap: pretty; }
.hero-act { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.btn-sig, .btn-ghost {
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 13px/1 var(--mono); letter-spacing: .04em;
  padding: 15px 20px; border: 1px solid; transition: background .2s, color .2s, box-shadow .25s;
}
.btn-sig { background: var(--sig); border-color: var(--sig); color: var(--void); }
.btn-sig:hover { box-shadow: 0 0 0 4px var(--sig-dim), 0 0 40px rgba(25,230,140,.35); }
.btn-ghost { border-color: var(--line-2); color: var(--text); background: rgba(4,6,5,.5); }
.btn-ghost:hover { border-color: var(--text); }
.btn-lg { padding: 20px 28px; font-size: 14px; }

.hud {
  position: absolute; right: var(--gut); bottom: clamp(40px, 9vh, 96px);
  display: grid; gap: 6px; font-size: 11px; letter-spacing: .05em; min-width: 190px;
  border-left: 1px solid var(--line-2); padding-left: 14px;
}
.hud div { display: flex; justify-content: space-between; gap: 18px; }
.hud span { color: var(--faint); text-transform: uppercase; }
.hud b { font-weight: 400; color: var(--text); font-variant-numeric: tabular-nums; }
.hud #hudScene { color: var(--sig); }

/* seções */
.sec { padding: clamp(96px, 16vh, 180px) var(--gut); }
.sec-k { font-size: 12px; letter-spacing: .08em; color: var(--dim); text-transform: uppercase; margin-bottom: 18px; }
.sec-h {
  font-family: var(--display); font-weight: 300; font-stretch: 87.5%;
  font-size: clamp(30px, 4.4vw, 64px); line-height: 1; letter-spacing: -.045em; color: #f1f7f3;
  margin-bottom: clamp(36px, 6vh, 64px); max-width: 20ch;
}

/* índice */
.idx-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--gut); align-items: start; }
.idx-list { border-top: 1px solid var(--line-2); }
.idx-head {
  display: grid; grid-template-columns: 44px 1fr 1fr 24px; gap: 12px;
  font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--faint);
  padding: 10px 0; border-bottom: 1px solid var(--line);
}
.row { border-bottom: 1px solid var(--line); position: relative; outline: none; cursor: pointer; }
.row::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 0;
  background: linear-gradient(90deg, var(--sig-dim), transparent); transition: width .45s var(--ease);
  pointer-events: none;
}
.row-top { display: grid; grid-template-columns: 44px 1fr 1fr 24px; gap: 12px; align-items: baseline; padding: 20px 0; position: relative; }
.row-n { font-size: 11px; color: var(--faint); transition: color .2s; }
.row-name {
  font-family: var(--display); font-weight: 400; font-stretch: 87.5%;
  font-size: clamp(20px, 2vw, 28px); letter-spacing: -.035em; line-height: 1.05; color: var(--text);
  transition: color .2s, transform .35s var(--ease);
}
.row-cat { font-size: 12px; color: var(--dim); }
.row-arr { color: var(--faint); transition: transform .35s var(--ease), color .2s; justify-self: end; }
.row-body {
  display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s var(--ease);
  padding-left: 56px; position: relative;
}
.row-body > div { overflow: hidden; min-height: 0; }
.row-body p { color: var(--dim); font-size: 15px; max-width: 52ch; }
.row-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; font-size: 12px; padding: 14px 0 22px; }
.row-body > p { padding-top: 0; }
.sigline { color: var(--sig); }
.sigline::before { content: '▸ '; }
.row-meta a { color: var(--text); border-bottom: 1px solid var(--line-2); padding-bottom: 2px; }
.row-meta a:hover { color: var(--sig); border-color: var(--sig); }
.row.on::before { width: 100%; }
.row.on .row-n { color: var(--sig); }
.row.on .row-name { color: #fff; transform: translateX(6px); }
.row.on .row-arr { color: var(--sig); transform: rotate(90deg); }
.row.on .row-body { grid-template-rows: 1fr; }

.idx-view { position: sticky; top: 15vh; height: 70vh; }
.view-frame { position: absolute; inset: 0; }
.view-frame .c { position: absolute; width: 14px; height: 14px; border-color: var(--line-2); border-style: solid; border-width: 0; }
.c.tl { top: 0; left: 0; border-top-width: 1px; border-left-width: 1px; }
.c.tr { top: 0; right: 0; border-top-width: 1px; border-right-width: 1px; }
.c.bl { bottom: 0; left: 0; border-bottom-width: 1px; border-left-width: 1px; }
.c.br { bottom: 0; right: 0; border-bottom-width: 1px; border-right-width: 1px; }
.view-read { position: absolute; left: 16px; bottom: 14px; font-size: 12px; color: var(--dim); }
.vr-cmd b { color: #fff; font-weight: 500; }
.vr-sig { color: var(--sig); margin-top: 4px; }

/* laboratório */
.cells { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); background: rgba(4,6,5,.6); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); }
.cell { padding: 28px 24px 32px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 14px; min-height: 260px; transition: background .3s; }
.cell:last-child { border-right: 0; }
.cell:hover { background: rgba(25, 230, 140, .04); }
.cell-tag { font-size: 11px; color: var(--faint); letter-spacing: .08em; }
.cell h3 { font-family: var(--display); font-weight: 400; font-stretch: 87.5%; font-size: 20px; letter-spacing: -.03em; line-height: 1.15; color: #f1f7f3; }
.cell p { color: var(--dim); font-size: 14.5px; }
.cell-mc { justify-content: space-between; }
.cell-mc .cell-tag { color: var(--sig); }
.sigtxt { color: var(--sig); font-size: 13px; }
.method { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 28px; font-size: 12px; color: var(--dim); letter-spacing: .04em; }
.method li { padding: 14px 0; border-top: 1px solid var(--line-2); position: relative; }
.method li + li { padding-left: 24px; }
.method li + li::before { content: '→'; position: absolute; left: 0; color: var(--faint); }
.method span { color: var(--sig); margin-right: 10px; }

/* princípios */
.rules { list-style: none; border-top: 1px solid var(--line-2); max-width: 1100px; }
.rules li {
  display: grid; grid-template-columns: 70px minmax(0, 1fr) minmax(0, .8fr); gap: 16px; align-items: baseline;
  padding: 26px 0; border-bottom: 1px solid var(--line);
}
.rn { font-size: 11px; color: var(--faint); }
.rules b { font-family: var(--display); font-weight: 300; font-stretch: 87.5%; font-size: clamp(20px, 2.6vw, 36px); letter-spacing: -.04em; line-height: 1.1; color: #f1f7f3; }
.rc { font-size: 12.5px; color: var(--dim); }

/* contato */
.contact { min-height: 90vh; display: flex; flex-direction: column; justify-content: center; }
.mega-sm { font-size: clamp(36px, 6.6vw, 104px); margin-bottom: 4px; }
.prompt { color: var(--sig); }
.contact .btn-sig { align-self: flex-start; margin-top: 40px; }

.foot {
  position: relative; z-index: 2; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px 28px;
  padding: 22px var(--gut); border-top: 1px solid var(--line); font-size: 12px; color: var(--faint);
  background: rgba(4,6,5,.85);
}

/* ---------- painel de contato ---------- */
.modal { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 16px; }
.modal[hidden] { display: none; }
.modal-bg { position: absolute; inset: 0; background: rgba(2, 4, 3, .78); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); animation: fadeIn .25s var(--ease); }
.modal-box {
  position: relative; width: min(560px, 100%); max-height: calc(100svh - 32px); overflow: auto;
  background: var(--void-2); border: 1px solid var(--line-2); padding: 22px 24px 26px;
  box-shadow: 0 0 0 1px rgba(25,230,140,.06), 0 30px 80px rgba(0,0,0,.6);
  animation: boxIn .35s var(--ease);
}
.modal-head { display: flex; justify-content: space-between; align-items: center; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.modal-head .sig { font-size: 8px; vertical-align: 2px; }
.modal-x { background: none; border: 0; color: var(--dim); font: 400 11px/1 var(--mono); cursor: pointer; padding: 6px 0 6px 10px; }
.modal-x:hover { color: var(--text); }
.modal-h { font-family: var(--display); font-weight: 300; font-stretch: 87.5%; font-size: clamp(28px, 5vw, 40px); letter-spacing: -.045em; line-height: 1; color: #f1f7f3; margin: 22px 0 20px; }
.wa-user {
  display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center;
  padding: 16px 18px; border: 1px solid var(--sig); background: var(--sig-dim); color: var(--text);
  transition: background .2s, box-shadow .25s;
}
.wa-user:hover { background: rgba(25,230,140,.22); box-shadow: 0 0 34px rgba(25,230,140,.2); }
.wa-ic { color: var(--sig); display: grid; }
.wa-t { display: grid; gap: 3px; }
.wa-t b { font: 500 15px/1.1 var(--sans); color: #fff; }
.wa-t .mono { font-size: 13px; color: var(--sig); }
.wa-arr { color: var(--sig); }
.modal-or { display: flex; align-items: center; gap: 12px; margin: 22px 0 16px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
.modal-or::before, .modal-or::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.cform { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cform .full { grid-column: 1 / -1; }
.cform label { display: grid; gap: 6px; }
.cform label > span { font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.cform input, .cform textarea {
  width: 100%; background: var(--void); border: 1px solid var(--line-2); border-radius: 0; color: var(--text);
  font: 400 15px/1.4 var(--sans); padding: 11px 12px; outline: none; resize: vertical; transition: border-color .2s, box-shadow .2s;
}
.cform input::placeholder { color: var(--faint); }
.cform input:focus, .cform textarea:focus { border-color: var(--sig); box-shadow: 0 0 0 3px var(--sig-dim); }
.cform .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.cform-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 4px; }
.cform-msg { font-size: 12px; color: var(--dim); min-height: 1em; }
.cform-msg.ok { color: var(--sig); }
.cform-msg.err { color: #ff6b8a; }
.cform button[disabled] { opacity: .5; cursor: wait; }
body.modal-open { overflow: hidden; }
@keyframes fadeIn { from { opacity: 0; } }
@keyframes boxIn { from { opacity: 0; transform: translateY(14px) scale(.985); } }
@media (max-width: 520px) {
  .cform { grid-template-columns: 1fr; }
  .cform-foot { flex-direction: column-reverse; align-items: stretch; }
  .cform-foot .btn-sig { justify-content: center; }
  .modal-box { padding: 18px 16px 20px; }
}

/* glitch nos títulos ao passar */
[data-scramble] { display: inline-block; }
.mega .line[data-scramble] { display: block; }

/* reveal */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.rv.in { opacity: 1; transform: none; }

@keyframes blink { 50% { opacity: 0; } }
@keyframes pulse { 50% { opacity: .35; } }

/* ---------- responsivo ---------- */
@media (max-width: 1080px) {
  .bar-read { display: none; }
  .cells { grid-template-columns: 1fr 1fr; }
  .cell:nth-child(2) { border-right: 0; }
  .cell:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 860px) {
  body.lab { cursor: auto; }
  .bar { gap: 14px; }
  .bar-nav {
    position: fixed; top: 56px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: rgba(4,6,5,.97); border-bottom: 1px solid var(--line); padding: 8px var(--gut) 18px;
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: .25s var(--ease);
    font-size: 14px;
  }
  .bar-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .bar-nav .lang { border: 0; padding: 14px 0; }
  body.nav-open .bar-nav { transform: none; opacity: 1; visibility: visible; }
  .burger { display: block; }
  .btn-box { margin-left: auto; }
  .hero { padding-top: 96px; }
  .hud { position: static; margin-top: 40px; display: none; }
  .idx-grid { grid-template-columns: 1fr; }
  .idx-view { display: none; }
  .idx-list { background: rgba(4,6,5,.55); }
  .idx-head, .row-top { grid-template-columns: 30px 1fr 20px; }
  .idx-head span:nth-child(3), .row-cat { display: none; }
  .row-body { padding-left: 42px; }
  .cells { grid-template-columns: 1fr; }
  .cell { border-right: 0; border-bottom: 1px solid var(--line); min-height: 0; }
  .cell:last-child { border-bottom: 0; }
  .method { grid-template-columns: 1fr; }
  .method li + li { padding-left: 0; }
  .method li + li::before { content: none; }
  .rules li { grid-template-columns: 44px 1fr; }
  .rc { grid-column: 2; }
}
@media (max-width: 380px) {
  .btn-box { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cur, .logo i, .kicker .sig { animation: none; }
  .rv { opacity: 1; transform: none; }
}