/* ==========================================================================
   GeometrIA — CBG – Laboratório de IA e Geometria
   Identidade "tinta e sinal": azul-marinho (estrutura) + paleta do CBG, sálvia→lima (sinal).
   ========================================================================== */

/* ---------- Fontes (auto-hospedadas, SIL OFL) ---------- */
@font-face { font-family: "Red Hat Display"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/red-hat-display-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Red Hat Display"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/red-hat-display-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Red Hat Display"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/red-hat-display-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Red Hat Display"; font-style: normal; font-weight: 800; font-display: swap; src: url("../fonts/red-hat-display-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/inter-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/inter-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/inter-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/inter-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/inter-greek-400-normal.woff2") format("woff2"); unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/jetbrains-mono-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 400 500; font-display: swap; src: url("../fonts/jetbrains-mono-greek-400-normal.woff2") format("woff2"); unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF; }

/* ---------- Tokens ---------- */
:root {
  --paper: #FBFCFA;
  --surface: #FFFFFF;
  --mist: #EEF4F1;
  --mist-2: #E3EDE8;
  --line: #DCE6E1;
  --line-strong: #C3D2CB;
  --ink: #0E2A47;
  --ink-2: #34506B;
  --ink-3: #5B7186;
  --link: #30694E;
  --link-hover: #244D39;
  --focus: #30694E;
  --error: #B3261E;

  /* Paleta do CBG: sálvia → verde-amarelado → lima (logotipo do CBG) */
  --sig-1: #79BC9C;
  --sig-2: #A7CC6E;
  --sig-3: #D2DE24;
  --mark-line: var(--ink);
  --signal: linear-gradient(90deg, var(--sig-1), var(--sig-2) 55%, var(--sig-3));
  --signal-button: linear-gradient(90deg, #79BC9C, #BCD44F);
  /* nuvem de pontos da animação: versões um pouco mais escuras, para contraste no branco */
  --flow-1: #45B875;
  --flow-2: #79BC9C;
  --flow-3: #A9BD1E;

  --m-approximate: #45B875;
  --m-predict: #4D6EA3;
  --m-search: #9DB52A;
  --m-assist: #79BC9C;
  --m-geometry-for-ai: #2575FC;

  --hero-a: rgba(253, 234, 216, .85);
  --hero-b: rgba(225, 231, 251, .9);
  --hero-c: rgba(211, 243, 226, .95);

  --band-bg: #0E2A47;
  --band-ink: #EAF3EF;
  --band-ink-2: #B3C6D6;

  --shadow-sm: 0 1px 2px rgba(14, 42, 71, .05), 0 1px 1px rgba(14, 42, 71, .03);
  --shadow-md: 0 18px 40px -22px rgba(14, 42, 71, .28), 0 2px 8px rgba(14, 42, 71, .05);

  --radius: 18px;
  --radius-sm: 11px;
  --radius-pill: 999px;

  --font-display: "Red Hat Display", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Noto Sans Math", "STIX Two Math", "Cambria Math", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;

  --container: 1180px;
  --gutter: clamp(16px, 4vw, 32px);
  --header-h: 72px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0A1826; --surface: #0F2236; --mist: #122A43; --mist-2: #173351;
    --line: #1E3953; --line-strong: #2C4C6C;
    --ink: #E6EFEA; --ink-2: #B9C9D6; --ink-3: #8FA3B6;
    --link: #A6DEC3; --link-hover: #CBEEDC; --focus: #A6DEC3; --error: #FF9A8F;
    --sig-1: #8FD4B3; --sig-2: #B9DC84; --sig-3: #DDE65A;
    --flow-1: #8FD4B3; --flow-2: #B9DC84; --flow-3: #DDE65A;
    --m-approximate: #7BD9A6; --m-predict: #8EB1EA; --m-search: #D2DE24; --m-assist: #A6DEC3; --m-geometry-for-ai: #7FB0FF;
    --hero-a: rgba(121, 188, 156, .10); --hero-b: rgba(142, 177, 234, .12); --hero-c: rgba(210, 222, 36, .07);
    --band-bg: #0F2236;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .25);
    --shadow-md: 0 18px 44px -24px rgba(0, 0, 0, .7), 0 2px 8px rgba(0, 0, 0, .2);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0A1826; --surface: #0F2236; --mist: #122A43; --mist-2: #173351;
  --line: #1E3953; --line-strong: #2C4C6C;
  --ink: #E6EFEA; --ink-2: #B9C9D6; --ink-3: #8FA3B6;
  --link: #A6DEC3; --link-hover: #CBEEDC; --focus: #A6DEC3; --error: #FF9A8F;
  --sig-1: #8FD4B3; --sig-2: #B9DC84; --sig-3: #DDE65A;
  --flow-1: #8FD4B3; --flow-2: #B9DC84; --flow-3: #DDE65A;
  --m-approximate: #7BD9A6; --m-predict: #8EB1EA; --m-search: #D2DE24; --m-assist: #A6DEC3; --m-geometry-for-ai: #7FB0FF;
  --hero-a: rgba(121, 188, 156, .10); --hero-b: rgba(142, 177, 234, .12); --hero-c: rgba(210, 222, 36, .07);
  --band-bg: #0F2236;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .25);
  --shadow-md: 0 18px 44px -24px rgba(0, 0, 0, .7), 0 2px 8px rgba(0, 0, 0, .2);
  color-scheme: dark;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  font: 400 1.0625rem/1.65 var(--font-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv11", "ss01";
  overflow-x: hidden;
}
[hidden] { display: none !important; }
img, svg, canvas { display: block; max-width: 100%; }
main { display: block; }
main:focus { outline: none; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--ink); line-height: 1.1; letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
h1 { font-weight: 700; }
h2 { font-size: clamp(1.85rem, 1.25rem + 2vw, 2.75rem); font-weight: 700; letter-spacing: -0.028em; }
h3 { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.012em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { color: var(--link-hover); }
strong, b { font-weight: 600; }
sub { font-size: .72em; line-height: 0; vertical-align: -.22em; }
sup { font-size: .72em; line-height: 0; vertical-align: .5em; }
address { font-style: normal; }
ul, ol { padding-left: 1.2em; }
::selection { background: color-mix(in srgb, var(--sig-2) 30%, transparent); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: calc(var(--container) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.mono { font-family: var(--font-mono); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 200; background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 10px; font-weight: 600; text-decoration: none; }
.skip-link:focus { top: 12px; color: var(--paper); }

/* O "IA" aceso: gradiente do sinal */
.ia { background: var(--signal); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.lit { background: var(--signal); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }

/* O símbolo inline */
.mark .s1 { stop-color: var(--sig-1); }
.mark .s2 { stop-color: var(--sig-2); }
.mark .s3 { stop-color: var(--sig-3); }
.mark .mark-lines { stroke: var(--mark-line); }
.mark .n { transform-box: fill-box; transform-origin: center; }
svg .s1 { stop-color: var(--sig-1); }
svg .s2 { stop-color: var(--sig-2); }
svg .s3 { stop-color: var(--sig-3); }

/* ---------- Tipografia utilitária ---------- */
.kicker {
  display: inline-flex; align-items: center; gap: .65em;
  font: 500 .78rem/1.2 var(--font-mono);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--link); margin: 0;
}
.kicker::before {
  content: ""; width: .82em; height: .72em; flex: none;
  background: var(--signal);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}
.lede { font-size: clamp(1.1rem, 1rem + .45vw, 1.3rem); line-height: 1.6; color: var(--ink-2); max-width: 40em; }
.display { font-size: clamp(2.55rem, 1.35rem + 4.6vw, 5rem); line-height: 1.02; letter-spacing: -0.036em; font-weight: 700; }
.pill {
  display: inline-flex; align-items: center; gap: .55em;
  font: 500 .78rem/1 var(--font-mono); letter-spacing: .07em; text-transform: uppercase;
  color: var(--link);
  border: 1px solid color-mix(in srgb, var(--sig-1) 55%, transparent);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  padding: .62em .95em; border-radius: var(--radius-pill);
}
.pill .mark { width: 1.25em; height: 1.25em; }
.link-arrow { display: inline-flex; align-items: center; gap: .45em; font-weight: 600; text-decoration: none; }
.link-arrow .icon { width: 18px; height: 18px; transition: transform .2s ease; }
.link-arrow:hover .icon { transform: translateX(3px); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  font: 600 1rem/1 var(--font-body);
  padding: 1em 1.4em; border-radius: var(--radius-pill);
  border: 1px solid transparent; text-decoration: none; cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn .icon { width: 18px; height: 18px; transition: transform .2s ease; }
.btn:hover .icon { transform: translateX(3px); }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: color-mix(in srgb, var(--ink) 86%, var(--sig-2)); color: var(--paper); box-shadow: var(--shadow-md); }
.btn-ghost { background: color-mix(in srgb, var(--surface) 60%, transparent); color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--surface); color: var(--ink); border-color: var(--ink-3); }
.btn-signal { background: var(--signal-button); color: #06121E; }
.btn-signal:hover { color: #06121E; box-shadow: 0 10px 30px -10px rgba(188, 212, 79, .55); }
.btn-sm { padding: .68em 1.05em; font-size: .92rem; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ---------- Cabeçalho ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--paper) 84%, transparent);
  -webkit-backdrop-filter: saturate(1.5) blur(14px);
  backdrop-filter: saturate(1.5) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background-color .2s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; gap: 20px; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: .62rem; text-decoration: none; color: var(--ink); flex: none; }
.brand:hover { color: var(--ink); }
.brand-mark { width: 34px; height: 34px; }
.brand-word { font: 700 1.42rem/1 var(--font-display); letter-spacing: -0.022em; }
.brand-lg .brand-mark { width: 46px; height: 46px; }
.brand-lg .brand-word { font-size: 1.9rem; }
@media (prefers-reduced-motion: no-preference) {
  .brand:hover .n { animation: node-pulse .8s ease both; }
  .brand:hover .n2, .brand:hover .n5 { animation-delay: .08s; }
  .brand:hover .n3, .brand:hover .n4, .brand:hover .n6 { animation-delay: .16s; }
  .brand:hover .n7 { animation-delay: .24s; }
}
@keyframes node-pulse { 0%, 100% { transform: scale(1); } 45% { transform: scale(1.35); } }

.site-nav { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.nav-list { display: flex; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-list a {
  display: block; padding: .55rem .85rem; border-radius: var(--radius-pill);
  color: var(--ink-2); font-weight: 500; font-size: .98rem; text-decoration: none;
  transition: background-color .15s ease, color .15s ease;
}
.nav-list a:hover { color: var(--ink); background: var(--mist); }
.nav-list a[aria-current="page"] { color: var(--ink); background: var(--mist); }
.nav-cta[aria-current="page"] { box-shadow: 0 0 0 3px color-mix(in srgb, var(--sig-2) 35%, transparent); }
.header-tools { display: flex; align-items: center; gap: 4px; }
.lang-switch {
  display: inline-grid; place-items: center; min-width: 44px; height: 38px; padding: 0 .7rem;
  font: 600 .78rem/1 var(--font-mono); letter-spacing: .08em; color: var(--ink-2);
  border: 1px solid var(--line-strong); border-radius: var(--radius-pill); text-decoration: none;
}
.lang-switch:hover { color: var(--ink); border-color: var(--ink-3); }
.icon-btn {
  width: 40px; height: 40px; display: inline-grid; place-items: center; padding: 0;
  border-radius: 50%; border: 1px solid transparent; background: transparent; color: var(--ink-2); cursor: pointer;
}
.icon-btn:hover { background: var(--mist); color: var(--ink); }
.icon-btn .icon { width: 20px; height: 20px; }
.menu-toggle { display: none; }
.menu-toggle .i-close { display: none; }

@media (max-width: 899px) {
  .header-inner { gap: 10px; }
  .header-tools { margin-left: auto; }
  .menu-toggle { display: inline-grid; }
  .nav-open .menu-toggle .i-open { display: none; }
  .nav-open .menu-toggle .i-close { display: block; }
  .site-nav {
    position: fixed; left: 0; right: 0; top: var(--header-h);
    flex-direction: column; align-items: stretch; gap: 14px;
    margin: 0; padding: 12px var(--gutter) 24px;
    background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md);
    opacity: 0; visibility: hidden; transform: translateY(-6px);
    transition: opacity .18s ease, transform .18s ease, visibility 0s linear .18s;
  }
  .nav-open .site-nav { opacity: 1; visibility: visible; transform: none; transition: opacity .18s ease, transform .18s ease; }
  .nav-list { flex-direction: column; gap: 2px; }
  .nav-list a { padding: .9rem 1rem; font-size: 1.1rem; border-radius: 12px; }
  .nav-cta { padding: 1em; font-size: 1rem; }
}

/* ---------- Seções ---------- */
.section { padding-block: clamp(64px, 9vw, 120px); }
.section.tint { background: var(--mist); }
.section.tight { padding-block: clamp(48px, 6vw, 80px); }
.section-head { max-width: 780px; margin-bottom: clamp(30px, 4vw, 52px); }
.section-head h2 { margin: .45em 0 .35em; }
.section-head > p:not(.kicker) { color: var(--ink-2); font-size: 1.125rem; max-width: 42em; }
.section-head.split { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; max-width: none; flex-wrap: wrap; }
.section-head.split > div { max-width: 760px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 1080px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) { .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 720px) { .grid-2, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(20px, 2.4vw, 28px); box-shadow: var(--shadow-sm);
}

/* ---------- Hero (início) ---------- */
.hero, .page-hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(55% 75% at 0% 0%, var(--hero-a), transparent 62%),
    radial-gradient(45% 65% at 52% 0%, var(--hero-b), transparent 70%),
    radial-gradient(55% 80% at 100% 45%, var(--hero-c), transparent 66%),
    var(--paper);
}
.hero { padding-block: clamp(36px, 6vw, 88px) clamp(52px, 7vw, 104px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-copy .display { margin: .42em 0 .38em; max-width: 11.5em; }
.hero-copy .lede { margin-bottom: 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-figure { margin: 0; }
.flow-frame {
  position: relative; aspect-ratio: 1 / 1; width: 100%;
  border-radius: 28px; overflow: hidden;
  background: color-mix(in srgb, var(--surface) 55%, transparent);
  border: 1px solid var(--line); box-shadow: var(--shadow-md);
}
.flow-frame::before {
  content: ""; position: absolute; inset: 0; opacity: .55;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 28px 28px; background-position: -1px -1px;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 0 35%, transparent 75%);
  mask-image: radial-gradient(circle at 50% 50%, #000 0 35%, transparent 75%);
}
.flow-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.flow-hud { position: absolute; inset: 0; pointer-events: none; font-size: .72rem; line-height: 1.45; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.flow-hud > span { position: absolute; }
.hud-tl { top: 16px; left: 18px; text-transform: uppercase; letter-spacing: .1em; }
.hud-tr { top: 16px; right: 18px; }
.hud-bl { bottom: 16px; left: 18px; }
.hud-br { bottom: 16px; right: 18px; text-align: right; }
.hud-br .target { color: var(--link); }
.hero-figure figcaption { font-size: .86rem; line-height: 1.55; color: var(--ink-3); margin-top: 14px; max-width: 44em; }
.hero-figure .fig-ref { display: block; margin-top: 6px; }
.hero-figure .fig-ref a { color: var(--ink-2); }
.hero-figure .fig-ref a:hover { color: var(--link); }
@media (max-width: 899px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-figure { max-width: 520px; width: 100%; margin-inline: auto; }
}

/* ---------- Hero das páginas internas ---------- */
.page-hero { padding-block: clamp(44px, 7vw, 96px) clamp(36px, 5vw, 64px); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.3rem, 1.35rem + 3.5vw, 4.1rem); letter-spacing: -0.034em; line-height: 1.04; margin: .42em 0 .38em; max-width: 17em; }
.page-hero .lede { margin: 0; }

/* ---------- "O que fazemos" ---------- */
.what-card { display: flex; flex-direction: column; gap: 12px; }
.what-card h3 { font-size: 1.45rem; display: flex; align-items: baseline; gap: .5em; }
.what-card h3 .mono { font-size: .78rem; color: var(--ink-3); font-weight: 500; letter-spacing: .06em; }
.what-card p { color: var(--ink-2); margin: 0; }
.what-foot { margin-top: auto; padding-top: 8px; display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.community-logo { flex: none; width: 96px; height: 96px; border-radius: 18px; border: 1px solid var(--line); background: #FDF9F3; object-fit: cover; }
.community-card .community-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.collab-aside .community-card .community-head h2 { margin: 0; }
.community-card .community-logo { width: 72px; height: 72px; border-radius: 16px; }

/* ---------- Modos ---------- */
.mode-card { --mode: var(--m-approximate); display: flex; flex-direction: column; gap: 10px; position: relative; overflow: hidden; }
.mode-card.mode-predict { --mode: var(--m-predict); }
.mode-card.mode-search { --mode: var(--m-search); }
.mode-card.mode-assist { --mode: var(--m-assist); }
.mode-card.mode-geometry-for-ai { --mode: var(--m-geometry-for-ai); }
.mode-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--mode); }
.mode-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.mode-icon {
  width: 46px; height: 46px; display: grid; place-items: center; border-radius: 13px;
  background: color-mix(in srgb, var(--mode) 13%, var(--surface));
  color: color-mix(in srgb, var(--mode) 62%, var(--ink));
}
.mode-icon .icon { width: 26px; height: 26px; }
.mode-index { color: var(--ink-3); font-size: .8rem; }
.mode-name { font-size: 1.5rem; }
.mode-tagline { font-weight: 600; color: var(--ink); margin: 0; font-size: 1rem; line-height: 1.4; }
.mode-text { color: var(--ink-2); margin: 0; font-size: .97rem; }
.mode-ex { margin: auto 0 0; padding-top: 14px; border-top: 1px dashed var(--line-strong); font-size: .75rem; line-height: 1.55; color: var(--ink-3); }
.mode-examples { margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--line-strong); }
.mode-ex-label { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 8px; }
.mode-examples ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.mode-examples li { font-size: .92rem; line-height: 1.4; padding-left: 1em; position: relative; }
.mode-examples li::before { content: ""; position: absolute; left: 0; top: .5em; width: 6px; height: 6px; border-radius: 50%; background: var(--mode); }
.mode-examples a { color: var(--ink); text-decoration-color: color-mix(in srgb, var(--ink) 30%, transparent); }
.mode-examples a:hover { color: var(--link); }

/* ---------- Etapas (ciclo / processo) ---------- */
.steps { --cols: 5; --gap: 18px; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(var(--cols), minmax(0, 1fr)); gap: var(--gap); position: relative; }
.steps.steps-4 { --cols: 4; }
.steps.steps-3 { grid-template-columns: 1fr; gap: 0; }
.steps::before {
  content: ""; position: absolute; left: 23px; top: 23px; height: 2px;
  right: calc((100% - (var(--cols) - 1) * var(--gap)) / var(--cols) - 23px);
  background: var(--signal); opacity: .45;
}
.step { position: relative; }
.step-num {
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  background: var(--surface); border: 2px solid var(--sig-2);
  font: 600 .9rem/1 var(--font-mono); color: var(--ink); position: relative; z-index: 1;
}
.step h3 { font-size: 1.15rem; margin: 16px 0 6px; }
.step p { font-size: .93rem; color: var(--ink-2); margin: 0; }
.step .out { display: inline-block; margin-top: 10px; font: 500 .72rem/1.3 var(--font-mono); color: var(--ink-3); letter-spacing: .02em; }
.step .out::before { content: "→ "; color: var(--link); }
.steps.steps-3::before { left: 22px; top: 22px; bottom: 22px; right: auto; width: 2px; height: auto; background: linear-gradient(180deg, var(--sig-1), var(--sig-2), var(--sig-3)); }
.steps.steps-3 .step { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 0 14px; padding-bottom: 18px; }
.steps.steps-3 .step:last-child { padding-bottom: 0; }
.steps.steps-3 .step h3 { margin: 10px 0 4px; font-size: 1.05rem; }
.steps.steps-3 .step p { grid-column: 2; }
@media (max-width: 999px) {
  .steps, .steps.steps-4 { grid-template-columns: 1fr; gap: 0; }
  .steps::before { left: 22px; top: 22px; bottom: 22px; right: auto; width: 2px; height: auto; background: linear-gradient(180deg, var(--sig-1), var(--sig-2), var(--sig-3)); }
  .step { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 0 16px; padding-bottom: 24px; }
  .step:last-child { padding-bottom: 0; }
  .step h3 { margin: 10px 0 6px; }
  .step p, .step .out { grid-column: 2; }
}
/* Etapas de uma proposta (Colabore / Abordagem) */
.step-tag {
  display: inline-block; margin-top: 12px; padding: .42em .75em; border-radius: var(--radius-pill);
  font: 500 .72rem/1.2 var(--font-mono); letter-spacing: .02em; color: var(--ink);
  background: color-mix(in srgb, var(--sig-1) 14%, var(--surface)); border: 1px solid color-mix(in srgb, var(--sig-1) 45%, transparent);
}
.triage-steps .step:nth-child(3) .step-tag { background: var(--ink); color: var(--paper); border-color: var(--ink); }
@media (max-width: 999px) { .step .step-tag { grid-column: 2; justify-self: start; } }
.callout.decision { grid-template-columns: minmax(0, 1fr); border-left-color: var(--ink); }
.callout.decision h3 { font-size: 1.15rem; }

.loop-foot { margin-top: 28px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.loop-again { font: 500 .85rem/1.4 var(--font-mono); color: var(--ink-3); margin: 0; }

/* ---------- Publicações ---------- */
.pub-card { display: flex; flex-direction: column; gap: 10px; }
.pub-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 0; }
.pub-meta .pub-year { margin-left: auto; font-size: .8rem; color: var(--ink-3); }
.pub-title { font-size: 1.22rem; line-height: 1.28; letter-spacing: -0.012em; margin: 0; }
.pub-title a { color: var(--ink); text-decoration: none; background-image: linear-gradient(var(--sig-2), var(--sig-2)); background-size: 0 2px; background-repeat: no-repeat; background-position: 0 100%; transition: background-size .25s ease; }
.pub-title a:hover { color: var(--ink); background-size: 100% 2px; }
.pub-authors { font-size: .92rem; color: var(--ink-2); margin: 0; }
.pub-authors strong { color: var(--ink); }
.pub-note { font-size: .95rem; color: var(--ink-2); margin: 0; }
.pub-venue { font-size: .88rem; color: var(--ink-3); margin: 0; }
.pub-card .pub-venue { margin-top: auto; padding-top: 12px; font-size: .74rem; border-top: 1px dashed var(--line-strong); }

.mode-tag {
  --mode: var(--m-approximate);
  display: inline-flex; align-items: center; gap: .42em;
  font: 500 .74rem/1 var(--font-mono); padding: .5em .72em; border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--mode) 13%, transparent);
  color: color-mix(in srgb, var(--mode) 52%, var(--ink));
  white-space: nowrap;
}
.mode-tag .icon { width: 14px; height: 14px; }
.mode-tag.mode-predict { --mode: var(--m-predict); }
.mode-tag.mode-search { --mode: var(--m-search); }
.mode-tag.mode-assist { --mode: var(--m-assist); }
.mode-tag.mode-geometry-for-ai { --mode: var(--m-geometry-for-ai); }
.chip-link {
  display: inline-flex; align-items: center; gap: .42em;
  font: 500 .76rem/1 var(--font-mono); padding: .52em .78em; border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong); color: var(--ink-2); text-decoration: none; white-space: nowrap;
  transition: border-color .15s ease, color .15s ease, background-color .15s ease;
}
.chip-link:hover { color: var(--ink); border-color: var(--ink-3); background: var(--surface); }
.chip-link .icon { width: 14px; height: 14px; }

.filters { display: none; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0 0 22px; }
.js .filters { display: flex; }
.filter {
  display: inline-flex; align-items: center; gap: .5em;
  font: 500 .9rem/1 var(--font-body); padding: .7em 1.05em; border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink-2); cursor: pointer;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.filter:hover { border-color: var(--ink-3); color: var(--ink); }
.filter[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.filter .icon { width: 16px; height: 16px; }
.filter-count { margin-left: auto; font: 500 .8rem/1 var(--font-mono); color: var(--ink-3); }

.pub-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.pub { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.pub[hidden] { display: none; }
.pub-side { display: flex; flex-direction: column; gap: 6px; font-size: .76rem; color: var(--ink-3); letter-spacing: .02em; padding-top: 3px; }
.pub-side .pub-year { font-size: 1rem; color: var(--ink); font-weight: 500; }
.pub-body .pub-title { margin-bottom: 8px; }
.pub-body .pub-authors { margin-bottom: 4px; }
.pub-body .pub-note { margin-top: 8px; max-width: 52em; }
.pub-links { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0; }
@media (max-width: 640px) {
  .pub { grid-template-columns: 1fr; gap: 6px; padding: 22px 0; }
  .pub-side { flex-direction: row; gap: 12px; align-items: baseline; }
}

/* ---------- Novidades ---------- */
.news { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.news li { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.news time { font: 500 .8rem/1.4 var(--font-mono); color: var(--ink-3); text-transform: uppercase; letter-spacing: .05em; }
.news p { margin: 0; color: var(--ink); }
.news a { color: var(--ink); text-decoration-color: var(--line-strong); }
.news a:hover { color: var(--link); text-decoration-color: currentColor; }
@media (max-width: 560px) { .news li { grid-template-columns: 1fr; gap: 4px; } }

/* ---------- Faixa de chamada ---------- */
.cta-band {
  --ink: var(--band-ink); --ink-2: var(--band-ink-2); --mark-line: #EAF3EF;
  --sig-1: #8FD4B3; --sig-2: #B9DC84; --sig-3: #DDE65A; --focus: #A6DEC3;
  background:
    radial-gradient(60% 120% at 100% 0%, rgba(210, 222, 36, .12), transparent 60%),
    radial-gradient(50% 120% at 0% 100%, rgba(121, 188, 156, .16), transparent 60%),
    var(--band-bg);
  color: var(--band-ink);
}
.cta-inner { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: clamp(24px, 4vw, 60px); align-items: center; }
.cta-mark .mark { width: clamp(76px, 9vw, 124px); height: auto; }
.cta-copy h2 { color: var(--band-ink); font-size: clamp(1.7rem, 1.1rem + 2vw, 2.6rem); max-width: 18em; }
.cta-copy p { color: var(--band-ink-2); max-width: 44em; margin: .7em 0 0; }
@media (max-width: 899px) { .cta-inner { grid-template-columns: 1fr; } }

/* ---------- Abordagem ---------- */
.story { display: flex; flex-direction: column; gap: 12px; }
.story h3 { font-size: 1.4rem; }
.story .verbs { font: 500 .8rem/1.6 var(--font-mono); color: var(--link); margin: 0; }
.story p { color: var(--ink-2); margin: 0; }
.story.discovery { background: linear-gradient(180deg, color-mix(in srgb, var(--sig-2) 8%, var(--surface)), var(--surface)); border-color: color-mix(in srgb, var(--sig-2) 35%, var(--line)); }

.loop-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.loop-diagram { width: 100%; height: auto; max-width: 600px; margin-inline: auto; }
.loop-track { fill: none; stroke: var(--line); stroke-width: 1; }
.loop-arcs path { stroke: var(--ink-3); }
.loop-arcs .loop-back { stroke: var(--sig-2); stroke-dasharray: 3 8; }
.loop-arrowhead { stroke: var(--ink-3); }
.loop-nodes circle { fill: var(--surface); stroke: var(--sig-2); stroke-width: 2; }
.loop-nums text { font: 600 17px var(--font-mono); fill: var(--ink); }
.loop-labels text { font: 700 19px var(--font-display); fill: var(--ink); letter-spacing: -0.01em; }
.loop-center-lines { stroke: var(--mark-line); }
.stage-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.stage-list li { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 0 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.stage-list li:last-child { border-bottom: 0; }
.stage-list .num { font: 600 .9rem/1.9 var(--font-mono); color: var(--link); }
.stage-list h3 { font-size: 1.12rem; margin: 0 0 4px; }
.stage-list p { margin: 0; font-size: .95rem; color: var(--ink-2); }
.stage-list .out { display: inline-block; margin-top: 6px; font: 500 .72rem/1.3 var(--font-mono); color: var(--ink-3); }
.stage-list .out::before { content: "→ "; color: var(--link); }
@media (max-width: 899px) { .loop-grid { grid-template-columns: 1fr; } .loop-diagram { max-width: 460px; } }

.callout {
  margin-top: clamp(28px, 4vw, 44px); padding: clamp(20px, 3vw, 30px);
  border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line);
  border-left: 4px solid var(--sig-2); box-shadow: var(--shadow-sm);
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px 28px; align-items: end;
}
.callout h3 { font-size: 1.1rem; margin-bottom: 8px; }
.callout p { color: var(--ink-2); margin: 0; max-width: 60em; }
@media (max-width: 720px) { .callout { grid-template-columns: 1fr; } }

.principles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 20px; counter-reset: pr; }
.principles li { grid-column: span 2; counter-increment: pr; padding: 24px 0 0; border-top: 2px solid var(--ink); }
.principles li:nth-child(4), .principles li:nth-child(5) { grid-column: span 3; }
.principles li::before { content: counter(pr, decimal-leading-zero); display: block; font: 600 .82rem/1 var(--font-mono); color: var(--link); margin-bottom: 14px; }
.principles h3 { font-size: 1.25rem; margin-bottom: 8px; }
.principles p { margin: 0; color: var(--ink-2); font-size: .98rem; }
@media (max-width: 899px) { .principles { grid-template-columns: 1fr 1fr; } .principles li, .principles li:nth-child(4), .principles li:nth-child(5) { grid-column: span 1; } }
@media (max-width: 600px) { .principles { grid-template-columns: 1fr; } }

.fit-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.fit-list li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 12px; color: var(--ink-2); }
.fit-list .icon { width: 22px; height: 22px; margin-top: 2px; }
.fit-good .icon { color: var(--link); }
.fit-hard .icon { color: var(--ink-3); }
.fit-card h3 { font-size: 1.15rem; margin-bottom: 18px; display: flex; align-items: center; gap: .5em; }
.fit-note { margin-top: 24px; font-size: 1.05rem; color: var(--ink); display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* ---------- Pessoas ---------- */
.people-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 1000px) { .people-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 680px) { .people-grid { grid-template-columns: 1fr; } }
.person { display: flex; flex-direction: column; gap: 18px; }
.person-head { display: flex; gap: 18px; align-items: center; }
.avatar { width: 84px; height: 84px; border-radius: 50%; flex: none; object-fit: cover; }
img.avatar { border: 3px solid transparent; background: var(--signal) border-box; }
.avatar-bg { fill: var(--mist); }
.avatar-initials { font: 700 29px var(--font-display); fill: var(--ink); letter-spacing: -0.02em; }
.person-role { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--link); margin: 0; }
.person-name { font-size: 1.32rem; margin: 5px 0 3px; }
.person-position { font-size: .9rem; line-height: 1.45; color: var(--ink-3); margin: 0; }
.person-bio { color: var(--ink-2); font-size: .97rem; margin: 0; }
.person-links { display: flex; flex-wrap: wrap; gap: 8px; margin: auto 0 0; }

/* ---------- Colabore ---------- */
.collab-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 60px); align-items: start; }
.collab-aside { position: sticky; top: calc(var(--header-h) + 24px); display: grid; gap: 16px; }
.collab-aside .card h2 { font-size: 1.15rem; letter-spacing: -0.01em; margin-bottom: 14px; }
.collab-aside .card p { color: var(--ink-2); font-size: .95rem; }
@media (max-width: 999px) { .collab-grid { grid-template-columns: 1fr; } .collab-aside { position: static; } }

.collab-form { position: relative; }
.collab-form > fieldset { border: 0; padding: 0; margin: 0 0 40px; min-width: 0; }
.collab-form > fieldset > legend {
  display: flex; align-items: center; gap: .7em; padding: 0; margin-bottom: 20px;
  font: 700 1.3rem/1.2 var(--font-display); color: var(--ink); letter-spacing: -0.015em;
}
.collab-form > fieldset > legend .mono { font-size: .78rem; font-weight: 500; color: var(--link); letter-spacing: .06em; }
.fieldset-hint { color: var(--ink-3); font-size: .92rem; margin: -10px 0 18px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; min-width: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 640px) { .field-row { grid-template-columns: 1fr; } }
.field > label, .choice-group > legend { font-weight: 600; font-size: .96rem; color: var(--ink); padding: 0; }
.req { color: var(--link); font-weight: 600; margin-left: .15em; }
.opt { font-weight: 400; color: var(--ink-3); font-size: .85rem; margin-left: .35em; }
.help { font-size: .86rem; color: var(--ink-3); margin: -2px 0 2px; }
.collab-form input[type="text"], .collab-form input[type="email"], .collab-form select, .collab-form textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  padding: .82em .95em; transition: border-color .15s ease, box-shadow .15s ease;
}
.collab-form textarea { min-height: 180px; resize: vertical; line-height: 1.55; }
.collab-form select {
  appearance: none; -webkit-appearance: none; padding-right: 2.6em; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235B7186' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .8em center; background-size: 18px;
}
.collab-form ::placeholder { color: color-mix(in srgb, var(--ink-3) 75%, transparent); }
.collab-form input:focus, .collab-form select:focus, .collab-form textarea:focus {
  outline: none; border-color: var(--focus);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--sig-1) 30%, transparent);
}
.collab-form [aria-invalid="true"] { border-color: var(--error) !important; }
.choice-group[aria-invalid="true"] .choice { border-color: color-mix(in srgb, var(--error) 50%, var(--line)); }
.field-error { color: var(--error); font-size: .86rem; margin: 0; }
.choice-group { border: 0; padding: 0; margin: 0 0 22px; min-width: 0; }
.choice-group > legend { margin-bottom: 10px; }
.choices { display: grid; gap: 8px; }
.choices.cols-2 { grid-template-columns: 1fr 1fr; }
.choices.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 640px) { .choices.cols-2, .choices.cols-3 { grid-template-columns: 1fr; } }
.choice {
  display: flex; gap: 12px; align-items: flex-start; cursor: pointer;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface);
  font-size: .96rem; line-height: 1.45; color: var(--ink-2);
  transition: border-color .15s ease, background-color .15s ease;
}
.choice:hover { border-color: var(--line-strong); }
.choice:has(input:checked) { border-color: var(--sig-1); background: color-mix(in srgb, var(--sig-1) 10%, var(--surface)); color: var(--ink); }
.choice:has(input:focus-visible) { outline: 2px solid var(--focus); outline-offset: 2px; }
.choice input { flex: none; width: 18px; height: 18px; margin: .12em 0 0; accent-color: var(--link); }
.choice b { color: var(--ink); }
.consent { display: grid; gap: 10px; margin-bottom: 22px; }
.consent .choice { background: transparent; border-style: dashed; }
.consent .choice:has(input:checked) { border-style: solid; }
.choice:has(input[aria-invalid="true"]) { border-color: var(--error); }
/* Anti-robô (ALTCHA): o widget usa as cores do site, no claro e no escuro */
.form-altcha { min-height: 58px; }   /* reserva o lugar do widget antes de o script carregar */
altcha-widget {
  display: block;
  --altcha-max-width: 340px;
  --altcha-padding: .8rem;
  --altcha-border-radius: var(--radius-sm);
  --altcha-border-color: var(--line-strong);
  --altcha-color-base: var(--surface);
  --altcha-color-base-content: var(--ink);
  --altcha-color-neutral: var(--line-strong);
  --altcha-color-neutral-content: var(--ink-2);
  --altcha-color-success: var(--link);
  --altcha-color-success-content: var(--paper);
  --altcha-checkbox-border-color: var(--ink-3);
  --altcha-checkbox-border-width: 1.5px;
  --altcha-input-background-color: var(--surface);
  --altcha-spinner-color: var(--ink-2);
}
/* o ✓ desenhado por cima da caixa não pode engolir o clique */
altcha-widget .altcha-checkbox svg { pointer-events: none; }

/* Confirmação do e-mail por código */
.verify-email {
  display: grid; gap: 12px; margin: -4px 0 24px; padding: 16px 18px;
  border: 1px dashed var(--line-strong); border-radius: var(--radius-sm);
}
.verify-email.is-verified { border-style: solid; border-color: var(--sig-1); background: color-mix(in srgb, var(--sig-1) 9%, transparent); }
.verify-title { margin: 0; font-weight: 600; font-size: .96rem; color: var(--ink); }
.verify-email .help { margin: -6px 0 0; }
.verify-email.is-verified .help { display: none; }
.verify-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; }
.verify-row .form-altcha { flex: 1 1 260px; max-width: 340px; }
.verify-row .btn { flex: none; }
.verify-code { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; }
.verify-code label { font-weight: 600; font-size: .92rem; color: var(--ink); }
.collab-form .verify-code input {
  width: 8.2em; padding: .5em .6em; text-align: center;
  font-family: var(--font-mono); font-size: 1.2rem; letter-spacing: .22em;
}
.verify-status { margin: 0; font-size: .9rem; color: var(--ink-2); }
.verify-status:empty { display: none; }
.verify-status.is-error { color: var(--error); }
.verify-done { margin: 0; display: flex; align-items: center; gap: .5em; font-weight: 600; color: var(--link); overflow-wrap: anywhere; }
.verify-done .icon { width: 20px; height: 20px; flex: none; }
.verify-done strong { font-weight: 600; color: var(--ink); }
.form-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 8px; }
.form-privacy { font-size: .84rem; color: var(--ink-3); margin: 0; }
.form-status { margin: 16px 0 0; font-size: .95rem; min-height: 1.5em; }
.form-status.is-error { color: var(--error); }
.hp { position: absolute !important; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.form-done { text-align: center; padding: clamp(36px, 6vw, 64px) 24px; }
.form-done .mark { width: 76px; height: 76px; margin: 0 auto 22px; }
.form-done h2 { font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.2rem); margin-bottom: 12px; }
.form-done p { color: var(--ink-2); max-width: 32em; margin-inline: auto; }
.form-done .btn { margin-top: 22px; }
.form-done .done-id { font-size: .9rem; color: var(--ink-3); margin-top: 14px; }
.form-done .done-id strong { color: var(--ink); font-weight: 600; letter-spacing: .02em; }

/* Pergunta em duas partes: a) estado da arte, b) abordagem */
.question-parts {
  margin: 0 0 22px; padding: 18px 18px 0; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--mist) 55%, var(--surface));
}
.question-title { font-weight: 700; font-size: 1rem; color: var(--ink); margin: 0 0 14px; }
.question-parts .field { margin-bottom: 18px; }

/* Anexo em PDF: a própria <input type=file> cobre a área (clique ou arraste) */
.file-drop {
  position: relative; display: flex; align-items: center; gap: 14px; min-height: 76px;
  padding: 14px 16px; border: 1px dashed var(--line-strong); border-radius: var(--radius-sm);
  background: var(--surface); transition: border-color .15s ease, background-color .15s ease;
}
.file-drop input[type="file"] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; font-size: 0; }
.file-drop:hover, .file-drop.is-drag { border-color: var(--sig-1); background: color-mix(in srgb, var(--sig-1) 8%, var(--surface)); }
.file-drop:has(input:focus-visible) { outline: 2px solid var(--focus); outline-offset: 2px; }
.file-drop.has-file { border-style: solid; border-color: var(--sig-1); background: color-mix(in srgb, var(--sig-1) 10%, var(--surface)); }
.file-drop.is-invalid { border-color: var(--error); }
.file-icon {
  flex: none; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px;
  background: color-mix(in srgb, var(--sig-1) 16%, var(--surface)); color: var(--link);
}
.file-icon .icon { width: 24px; height: 24px; }
.file-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1; }
.file-cta { font-weight: 600; color: var(--link); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.file-name { font-size: .88rem; color: var(--ink-3); overflow-wrap: anywhere; }
.has-file .file-name { color: var(--ink); font-weight: 500; }
.file-remove { position: relative; z-index: 1; flex: none; }

/* ---------- Modelo de proposta preenchida ---------- */
.example-card { position: relative; padding: clamp(22px, 3.4vw, 44px); }
.example-badge {
  display: inline-flex; align-items: center; gap: .5em; margin: 0 0 clamp(18px, 2.4vw, 26px);
  padding: .5em .85em; border-radius: var(--radius-pill); border: 1px dashed var(--line-strong);
  font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3);
}
.example-badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--signal); }
.example-section + .example-section { margin-top: clamp(28px, 3.5vw, 40px); }
.example-legend {
  display: flex; align-items: center; gap: .7em; margin: 0 0 6px;
  font: 700 1.3rem/1.2 var(--font-display); letter-spacing: -0.015em; color: var(--ink);
}
.example-legend .mono { font-size: .78rem; font-weight: 500; color: var(--link); letter-spacing: .06em; }
.example-fields { margin: 0; }
.example-field { display: grid; grid-template-columns: minmax(0, 250px) minmax(0, 1fr); gap: 8px 28px; padding: 16px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.example-field:last-child { border-bottom: 0; }
.example-field dt { font-weight: 600; font-size: .96rem; color: var(--ink); }
.example-field dd { margin: 0; min-width: 0; }
.example-value {
  padding: .7em .95em; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--mist) 45%, var(--surface)); color: var(--ink); line-height: 1.55;
}
.example-field.is-long .example-value { padding: .95em 1.05em; }
.example-tip { display: flex; gap: .7em; align-items: baseline; margin: 10px 0 0; font-size: .9rem; color: var(--ink-3); }
.example-tip .mono { flex: none; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--link); }
.example-actions { margin-top: clamp(24px, 3vw, 36px); }
@media (max-width: 760px) { .example-field { grid-template-columns: minmax(0, 1fr); gap: 8px; } }

/* ---------- Identidade visual ---------- */
.brand-name { font: 700 clamp(3.2rem, 1.5rem + 7vw, 7.5rem)/1 var(--font-display); letter-spacing: -0.04em; margin: 0 0 .25em; color: var(--ink); }
.brand-name .dim { color: color-mix(in srgb, var(--ink) 22%, transparent); }
.mark-showcase { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.mark-stage { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.mark-tile {
  aspect-ratio: 1; border-radius: var(--radius); display: grid; place-items: center; padding: 16%;
  /* a peça clara é sempre clara, em qualquer tema */
  --mark-line: #0E2A47; --sig-1: #79BC9C; --sig-2: #A7CC6E; --sig-3: #D2DE24;
  background: #FFFFFF; border: 1px solid #DCE6E1;
}
.mark-tile.on-dark { background: #0A1826; border-color: #1E3953; }
.mark-tile img, .mark-tile svg { width: 100%; height: auto; }
.mark-points { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; }
.mark-points li { padding-left: 28px; position: relative; color: var(--ink-2); }
.mark-points li::before { content: ""; position: absolute; left: 0; top: .45em; width: 12px; height: 11px; background: var(--signal); clip-path: polygon(0 0, 100% 0, 50% 100%); }
.mark-points b { color: var(--ink); }
@media (max-width: 899px) { .mark-showcase { grid-template-columns: 1fr; } }

.asset-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.asset { grid-column: span 2; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.asset.wide { grid-column: span 3; }
.asset-preview { display: grid; place-items: center; padding: 34px 28px; min-height: 190px; background: #FFFFFF; border-bottom: 1px solid var(--line); }
.asset-preview.on-dark { background: #0A1826; }
.asset-preview.on-mist { background: #EEF4F1; }
.asset-preview img { max-height: 110px; width: auto; max-width: 100%; }
.asset-preview.tall img { max-height: 150px; }
.asset-body { padding: 14px 16px 16px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.asset-body h3 { font: 600 .95rem/1.3 var(--font-body); letter-spacing: 0; }
.asset-links { display: flex; gap: 6px; flex-wrap: wrap; }
@media (max-width: 999px) { .asset, .asset.wide { grid-column: span 3; } }
@media (max-width: 640px) { .asset-grid { grid-template-columns: 1fr; } .asset, .asset.wide { grid-column: auto; } }

.rules { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.rules ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.rules li { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 10px; color: var(--ink-2); }
.rules .icon { width: 20px; height: 20px; margin-top: 2px; }
.rules .do .icon { color: var(--link); }
.rules .dont .icon { color: var(--error); }
.rules h3 { font-size: 1.1rem; margin-bottom: 16px; }
@media (max-width: 720px) { .rules { grid-template-columns: 1fr; } }

.swatches { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.swatch { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: var(--surface); }
.swatch-chip { height: 92px; border-bottom: 1px solid var(--line); }
.swatch-body { padding: 12px 14px 14px; }
.swatch-body h3 { font: 600 .95rem/1.2 var(--font-body); letter-spacing: 0; margin-bottom: 4px; }
.swatch-body .hex { font: 500 .8rem/1.3 var(--font-mono); color: var(--ink); margin: 0 0 4px; }
.swatch-body p { font-size: .8rem; line-height: 1.4; color: var(--ink-3); margin: 0; }
.signal-bar { height: 16px; border-radius: var(--radius-pill); background: linear-gradient(90deg, #79BC9C, #A7CC6E 55%, #D2DE24); margin-top: 22px; }
@media (max-width: 999px) { .swatches { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 560px) { .swatches { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.type-specimens { display: grid; gap: 0; border-top: 1px solid var(--line); }
.specimen { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.specimen h3 { font: 600 1rem/1.3 var(--font-body); letter-spacing: 0; }
.specimen .role { font-size: .85rem; color: var(--ink-3); margin: 4px 0 0; }
.specimen .sample { margin: 0; color: var(--ink); overflow-wrap: anywhere; }
.specimen .sample.display { font: 700 clamp(1.9rem, 1.2rem + 2.4vw, 3rem)/1.1 var(--font-display); letter-spacing: -0.03em; }
.specimen .sample.body { font: 400 1.25rem/1.5 var(--font-body); }
.specimen .sample.mono { font: 500 1.05rem/1.5 var(--font-mono); color: var(--ink-2); }
@media (max-width: 760px) { .specimen { grid-template-columns: 1fr; gap: 8px; } }

/* ---------- 404 ---------- */
.notfound { min-height: 58vh; display: grid; place-items: center; text-align: center; padding-block: 80px; }
.notfound .mark { width: 96px; height: 96px; margin: 0 auto 26px; transform: rotate(180deg); }
.notfound h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3.2rem); margin-bottom: 12px; }
.notfound p { color: var(--ink-2); }

/* ---------- Rodapé ---------- */
.site-footer {
  --ink: #E6EFEA; --ink-2: #B9C9D6; --ink-3: #8FA3B6; --line: #1E3953;
  --link: #A6DEC3; --link-hover: #CBEEDC; --focus: #A6DEC3; --mark-line: #E6EFEA;
  --sig-1: #8FD4B3; --sig-2: #B9DC84; --sig-3: #DDE65A;
  background: #0A1826; color: var(--ink-2); padding-top: clamp(56px, 7vw, 88px);
  font-size: .95rem;
}
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.3fr); gap: clamp(28px, 4vw, 48px); }
.footer-brand .brand { color: var(--ink); margin-bottom: 14px; }
.footer-sub { font: 500 .75rem/1.5 var(--font-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--ink-3); }
.footer-about { color: var(--ink-2); max-width: 30em; }
.footer-note { font-size: .84rem; color: var(--ink-3); }
.footer-h { font: 500 .74rem/1.2 var(--font-mono); text-transform: uppercase; letter-spacing: .12em; color: var(--ink-3); margin: 6px 0 16px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-col a { color: var(--ink-2); text-decoration: none; }
.footer-col a:hover { color: var(--ink); text-decoration: underline; }
.footer-col address { color: var(--ink-3); font-size: .86rem; line-height: 1.6; margin-top: 10px; }
.footer-bottom { position: relative; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: clamp(40px, 5vw, 64px); padding-block: 20px 28px; font-size: .82rem; color: var(--ink-3); }
.footer-bottom::before { content: ""; position: absolute; top: 0; left: var(--gutter); right: var(--gutter); height: 1px; background: var(--line); }
.footer-tagline { letter-spacing: .02em; }
@media (max-width: 899px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Acessibilidade e movimento ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
@media (forced-colors: active) {
  .ia, .lit { color: CanvasText; -webkit-text-fill-color: CanvasText; background: none; }
  .kicker::before, .mark-points li::before { background: CanvasText; }
}
@media print {
  .site-header, .site-footer, .cta-band, .hero-figure, .filters { display: none !important; }
  body { background: #fff; color: #000; }
}

/* ---------- CBG: co-marca, seção da página inicial, rodapé ---------- */
.cbg-cobrand { display: none; align-items: center; height: 36px; padding-left: 18px; border-left: 1px solid var(--line-strong); flex: none; }
.cbg-cobrand .cbg-logo { height: 30px; width: auto; }
@media (min-width: 1100px) { .cbg-cobrand { display: inline-flex; } }

.cbg-section { padding-block: clamp(48px, 7vw, 96px); }
.cbg-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.cbg-card {
  display: grid; place-items: center; padding: clamp(28px, 5vw, 56px);
  border: 1px solid var(--line); border-radius: var(--radius); background: #FFFFFF; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.cbg-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.cbg-card img { width: 100%; max-width: 420px; height: auto; }
.cbg-copy h2 { margin: .45em 0 .4em; }
.cbg-copy > p:not(.kicker) { color: var(--ink-2); font-size: 1.08rem; }
.cbg-verticals { list-style: none; padding: 0; margin: 18px 0 22px; display: flex; flex-wrap: wrap; gap: 8px; }
.cbg-verticals li {
  font: 500 .8rem/1 var(--font-mono); padding: .6em .85em; border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--sig-1) 14%, var(--surface)); color: var(--ink); border: 1px solid color-mix(in srgb, var(--sig-1) 40%, transparent);
}
.link-arrow .icon-external { width: 16px; height: 16px; }
@media (max-width: 860px) { .cbg-grid { grid-template-columns: 1fr; } .cbg-card { max-width: 520px; } }

.footer-cbg { display: inline-flex; flex-direction: column; align-items: flex-start; gap: 10px; margin: 6px 0 18px; text-decoration: none; }
.footer-cbg span { font: 500 .72rem/1.2 var(--font-mono); text-transform: uppercase; letter-spacing: .12em; color: var(--ink-3); }
.footer-cbg img { height: 52px; width: auto; }

/* O logotipo do CBG é sempre o colorido; no escuro, o cartão ganha fundo azul-marinho. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .cbg-card { background: #0E2A47; border-color: #1E3953; }
}
:root[data-theme="dark"] .cbg-card { background: #0E2A47; border-color: #1E3953; }