/* =========================================================
   Julia Inteligência Artificial — Central de Ajuda
   Identidade visual: dark premium + azul Julia + verde ativo
   ========================================================= */

:root {
  /* Base */
  --bg: #0b0b0d;
  --bg-2: #121216;
  --bg-3: #17171c;
  --surface: #16161b;
  --surface-2: #1c1c22;
  --line: #26262c;
  --line-soft: #202027;

  /* Texto */
  --text: #f2f3f5;
  --text-2: #b8bdc7;
  --text-3: #8a8f9a;
  --text-4: #6b7078;

  /* Marca */
  --azul: #2ba6ff;
  --azul-2: #5cbbff;
  --azul-deep: #04121f;
  --verde: #3ddc84;
  --verde-2: #6ce6a3;
  --amarelo: #ffc860;
  --vermelho: #ff7a7a;

  /* Efeitos */
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.35);
  --glow: 0 0 48px rgba(43, 166, 255, 0.28);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  background: var(--bg);
}

body {
  margin: 0;
  font-family: Poppins, "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(1100px 620px at 50% -12%, rgba(43, 166, 255, 0.16), transparent 62%),
    radial-gradient(760px 480px at 92% 8%, rgba(61, 220, 132, 0.07), transparent 60%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 { margin: 0 0 .5em; line-height: 1.22; font-weight: 700; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
a { color: var(--azul-2); text-decoration: none; }
a:hover { color: var(--azul); }
code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: .86em;
  padding: .15em .45em;
  border-radius: 6px;
  background: rgba(43, 166, 255, .12);
  color: var(--azul-2);
}
img { max-width: 100%; }
svg { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.sr-only {
  position: absolute; 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: -999px; top: 0; z-index: 999;
  padding: 12px 18px; background: var(--azul); color: #04121f; font-weight: 600; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

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

.wrap { width: min(100% - 40px, 1180px); margin-inline: auto; }
.wrap--narrow { width: min(100% - 40px, 860px); }

/* ---------------- Botões ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 20px;
  border: 1px solid transparent; border-radius: 999px;
  font: inherit; font-size: .93rem; font-weight: 600;
  cursor: pointer; white-space: nowrap;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.btn svg { width: 18px; height: 18px; }
.btn--primary {
  background: linear-gradient(135deg, var(--azul) 0%, #1a86e0 100%);
  color: #04121f;
  box-shadow: 0 10px 30px rgba(43, 166, 255, .28);
}
.btn--primary:hover { color: #04121f; transform: translateY(-2px); box-shadow: 0 16px 40px rgba(43, 166, 255, .4); }
.btn--ghost {
  background: rgba(255,255,255,.04); border-color: var(--line); color: var(--text);
}
.btn--ghost:hover { background: rgba(255,255,255,.08); border-color: rgba(43,166,255,.5); color: var(--text); }
.btn--block { width: 100%; }

/* ---------------- Topbar ---------------- */
.topbar {
  position: sticky; top: 0; z-index: 60;
  background: rgba(11, 11, 13, .82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line-soft);
}
.topbar__inner { display: flex; align-items: center; gap: 22px; height: 74px; }

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { height: 30px; width: auto; display: block; }
.brand__tag {
  padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(43,166,255,.08);
  font-size: .68rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase;
  color: var(--azul-2);
}

.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a {
  padding: 8px 14px; border-radius: 999px;
  color: var(--text-2); font-size: .9rem; font-weight: 500;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav a:hover { color: var(--text); background: rgba(255,255,255,.05); }

.topbar__cta { padding: 10px 18px; font-size: .88rem; }

/* ---------------- Seletor de idioma ---------------- */
.lang {
  display: flex; gap: 2px; flex-shrink: 0;
  padding: 3px;
  border: 1px solid var(--line); border-radius: 999px;
  background: rgba(255,255,255,.035);
}
.lang button {
  padding: 6px 12px; border: 0; border-radius: 999px;
  background: transparent; color: var(--text-3);
  font: inherit; font-size: .76rem; font-weight: 600; letter-spacing: .03em;
  cursor: pointer;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.lang button:hover { color: var(--text); }
.lang button[aria-pressed="true"] {
  background: linear-gradient(135deg, var(--azul) 0%, #1a86e0 100%);
  color: #04121f;
  box-shadow: 0 4px 14px rgba(43, 166, 255, .3);
}

/* No mobile o seletor continua visível na barra — trocar de idioma
   não deveria exigir abrir o menu. */
@media (max-width: 860px) {
  .lang { margin-left: auto; }
  .lang button { padding: 6px 10px; font-size: .72rem; }
}
@media (max-width: 380px) {
  .lang button { padding: 6px 8px; font-size: .68rem; }
}

.nav-toggle {
  display: none; width: 42px; height: 42px; margin-left: auto;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  background: rgba(255,255,255,.05); border: 1px solid var(--line); border-radius: 12px; cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .25s var(--ease), opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile { display: none; flex-direction: column; padding: 8px 20px 18px; border-top: 1px solid var(--line-soft); }
.nav-mobile a { padding: 13px 4px; color: var(--text-2); font-weight: 500; border-bottom: 1px solid var(--line-soft); }
.nav-mobile a:last-child { color: var(--azul-2); border-bottom: 0; }

/* ---------------- Hero ---------------- */
.hero { padding: clamp(56px, 9vw, 104px) 0 clamp(40px, 6vw, 64px); }
.hero__inner { display: flex; flex-direction: column; align-items: center; text-align: center; }

.pill {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 16px; margin-bottom: 26px;
  border: 1px solid var(--line); border-radius: 999px;
  background: rgba(255,255,255,.035);
  font-size: .78rem; font-weight: 500; color: var(--text-2);
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--verde); box-shadow: 0 0 10px var(--verde); }
.dot--on { animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .45; } }

.hero h1 { font-size: clamp(2.1rem, 5.4vw, 3.6rem); font-weight: 800; margin-bottom: 18px; max-width: 16ch; }
.grad {
  background: linear-gradient(120deg, var(--azul) 0%, var(--azul-2) 45%, var(--verde) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero__sub { max-width: 62ch; font-size: clamp(1rem, 1.6vw, 1.09rem); color: var(--text-2); margin-bottom: 34px; }

.search { position: relative; width: min(100%, 620px); }
.search svg {
  position: absolute; left: 20px; top: 50%; transform: translateY(-50%);
  width: 20px; height: 20px; color: var(--text-3); pointer-events: none;
}
.search input {
  width: 100%; padding: 17px 60px 17px 54px;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface); color: var(--text);
  font: inherit; font-size: .96rem;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.search input::placeholder { color: var(--text-4); }
.search input:focus { outline: none; border-color: rgba(43,166,255,.6); box-shadow: var(--glow); }
.search kbd {
  position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  min-width: 24px; padding: 3px 8px;
  border: 1px solid var(--line); border-radius: 7px;
  background: var(--bg-3); color: var(--text-4);
  font-family: inherit; font-size: .74rem;
}

.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 9px; margin-top: 20px; }
.chips button {
  padding: 8px 15px; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(255,255,255,.03); color: var(--text-2);
  font: inherit; font-size: .82rem; cursor: pointer;
  transition: all .2s var(--ease);
}
.chips button:hover { color: var(--text); border-color: rgba(43,166,255,.5); background: rgba(43,166,255,.09); }

.hero__stats { display: flex; flex-wrap: wrap; justify-content: center; gap: clamp(22px, 5vw, 56px); margin-top: 46px; }
.hero__stats div { display: flex; flex-direction: column; }
.hero__stats strong {
  font-size: 1.7rem; font-weight: 800;
  background: linear-gradient(120deg, var(--azul-2), var(--verde));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero__stats span { font-size: .8rem; color: var(--text-3); }

/* ---------------- Busca: resultados ---------------- */
.search-results { padding: 12px 0 40px; }
.search-results__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.search-results__head h2 { font-size: 1.25rem; margin: 0; }
#termo-busca { color: var(--azul-2); }
.results-list { display: grid; gap: 12px; }
.result {
  display: block; padding: 18px 22px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text);
  transition: border-color .2s var(--ease), transform .2s var(--ease), background .2s var(--ease);
}
.result:hover { color: var(--text); border-color: rgba(43,166,255,.5); background: var(--surface-2); transform: translateX(4px); }
.result__cat { font-size: .7rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--azul-2); }
.result h3 { font-size: 1.02rem; margin: 4px 0 4px; }
.result p { margin: 0; font-size: .89rem; color: var(--text-3); }
.results-empty { padding: 34px; text-align: center; color: var(--text-3); border: 1px dashed var(--line); border-radius: var(--radius-sm); }

/* ---------------- Seções ---------------- */
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section--alt { background: linear-gradient(180deg, transparent, rgba(255,255,255,.018) 18%, rgba(255,255,255,.018) 82%, transparent); }

.section__head { max-width: 720px; margin-bottom: 42px; }
.eyebrow {
  display: inline-block; margin-bottom: 12px;
  font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--azul);
}
.section__head h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 700; }
.section__head p { color: var(--text-2); margin: 0; font-size: 1.02rem; }

/* ---------------- Card base ---------------- */
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface-2) 0%, var(--surface) 100%);
  box-shadow: var(--shadow-sm);
}

/* ---------------- Primeiros passos ---------------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 18px; list-style: none; padding: 0; margin: 0; counter-reset: none; }
.step { position: relative; padding: 30px 26px 26px; transition: transform .25s var(--ease), border-color .25s var(--ease); }
.step:hover { transform: translateY(-5px); border-color: rgba(43,166,255,.4); }
.step__num {
  display: inline-block; margin-bottom: 14px;
  font-size: .78rem; font-weight: 800; letter-spacing: .1em;
  color: var(--azul);
}
.step h3 { font-size: 1.12rem; }
.step p { font-size: .91rem; color: var(--text-2); }
.step__link { display: inline-flex; align-items: center; gap: 6px; font-size: .86rem; font-weight: 600; }
.step__link span { transition: transform .2s var(--ease); display: inline-block; }
.step__link:hover span { transform: translateX(4px); }

/* ---------------- Grids ---------------- */
.grid { display: grid; gap: 16px; }
.grid--concepts { grid-template-columns: repeat(auto-fill, minmax(258px, 1fr)); }
.grid--channels { grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); margin: 22px 0 28px; }
.grid--tools { grid-template-columns: repeat(auto-fill, minmax(205px, 1fr)); margin: 22px 0 26px; }
.grid--trouble { grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); align-items: start; }

.concept { padding: 22px 22px 18px; transition: transform .22s var(--ease), border-color .22s var(--ease); }
.concept:hover { transform: translateY(-4px); border-color: rgba(43,166,255,.4); }
.concept h3 { font-size: 1rem; color: var(--azul-2); margin-bottom: 8px; }
.concept p { margin: 0; font-size: .875rem; color: var(--text-2); line-height: 1.6; }

.mini { padding: 18px 18px 14px; background: rgba(255,255,255,.025); }
.mini h4 { font-size: .92rem; margin-bottom: 6px; }
.mini p { margin: 0; font-size: .83rem; color: var(--text-3); line-height: 1.55; }

/* ---------------- Guias (accordion) ---------------- */
.guides { display: grid; gap: 14px; }
.guide { overflow: hidden; }
.guide > summary {
  display: flex; align-items: center; gap: 15px;
  padding: 20px 24px; cursor: pointer; list-style: none;
  font-size: 1.05rem; font-weight: 600;
  transition: background .2s var(--ease);
}
.guide > summary::-webkit-details-marker { display: none; }
.guide > summary:hover { background: rgba(255,255,255,.03); }
.guide__icon {
  display: grid; place-items: center; flex-shrink: 0;
  width: 40px; height: 40px; border-radius: 11px;
  background: rgba(43,166,255,.11); color: var(--azul-2);
}
.guide__icon svg { width: 21px; height: 21px; }
.guide__title { flex: 1; }
.guide__chev {
  flex-shrink: 0; width: 10px; height: 10px;
  border-right: 2px solid var(--text-3); border-bottom: 2px solid var(--text-3);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .28s var(--ease);
}
.guide[open] > summary { border-bottom: 1px solid var(--line-soft); }
.guide[open] .guide__chev { transform: rotate(-135deg) translate(-3px, -3px); }

.guide__body { padding: 26px 26px 30px; }
.guide__body > *:last-child { margin-bottom: 0; }
.guide__body h4 {
  margin: 28px 0 12px; font-size: 1rem; color: var(--text);
  padding-left: 13px; border-left: 3px solid var(--azul);
}
.guide__body > h4:first-child { margin-top: 0; }
.guide__body p { color: var(--text-2); font-size: .94rem; }
.note { font-size: .86rem !important; color: var(--text-3) !important; }

/* Listas */
.ticks { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 26px; font-size: .92rem; color: var(--text-2); }
.ticks li::before {
  content: ""; position: absolute; left: 2px; top: .58em;
  width: 9px; height: 5px; border-left: 2px solid var(--verde); border-bottom: 2px solid var(--verde);
  transform: rotate(-45deg);
}
.ticks--sm li { font-size: .86rem; }
.two-col { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.numbered { margin: 0 0 18px; padding-left: 22px; display: grid; gap: 9px; }
.numbered li { font-size: .92rem; color: var(--text-2); padding-left: 5px; }
.numbered li::marker { color: var(--azul); font-weight: 700; }

.bad, .good { display: inline-block; margin-top: 4px; font-size: .87rem; }
.bad { color: var(--vermelho); }
.bad::before { content: "✕ "; }
.good { color: var(--verde-2); }
.good::before { content: "✓ "; }

/* Tabelas */
.table-wrap { overflow-x: auto; margin: 0 0 22px; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.table { width: 100%; border-collapse: collapse; font-size: .88rem; min-width: 520px; }
.table th, .table td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.table th { background: rgba(43,166,255,.07); color: var(--text); font-weight: 600; font-size: .82rem; letter-spacing: .01em; }
.table td { color: var(--text-2); }
.table tr:last-child td { border-bottom: 0; }

/* Callouts */
.callout {
  margin: 0 0 22px; padding: 16px 20px;
  border-radius: var(--radius-sm); border-left: 3px solid var(--azul);
  background: rgba(43,166,255,.07);
  font-size: .9rem; color: var(--text-2); line-height: 1.6;
}
.callout strong { color: var(--text); }
.callout--warn { border-left-color: var(--amarelo); background: rgba(255,200,96,.07); }
.callout--info { border-left-color: var(--azul); }

/* Faça / Evite */
.do-dont { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; margin-bottom: 22px; }
.do, .dont { padding: 18px 20px; border-radius: var(--radius-sm); border: 1px solid var(--line); }
.do { background: rgba(61,220,132,.05); border-color: rgba(61,220,132,.22); }
.dont { background: rgba(255,122,122,.05); border-color: rgba(255,122,122,.22); }
.do h5, .dont h5 { margin: 0 0 10px; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
.do h5 { color: var(--verde-2); }
.dont h5 { color: var(--vermelho); }
.do ul, .dont ul { margin: 0; padding-left: 18px; display: grid; gap: 7px; }
.do li, .dont li { font-size: .87rem; color: var(--text-2); }
.do li::marker { color: var(--verde); }
.dont li::marker { color: var(--vermelho); }

/* ---------------- Problemas ---------------- */
.trouble { padding: 24px 24px 20px; }
.trouble h3 { font-size: 1.05rem; margin: 12px 0 8px; }
.trouble p { font-size: .9rem; color: var(--text-2); }
.trouble__sym { font-size: .85rem !important; color: var(--text-3) !important; font-style: italic; }
.trouble .ticks, .trouble .numbered { margin-bottom: 12px; }

.tag {
  display: inline-block; padding: 4px 11px; border-radius: 999px;
  font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.tag--red { background: rgba(255,122,122,.14); color: var(--vermelho); }
.tag--amber { background: rgba(255,200,96,.14); color: var(--amarelo); }
.tag--blue { background: rgba(43,166,255,.14); color: var(--azul-2); }
.tag--green { background: rgba(61,220,132,.14); color: var(--verde-2); }

/* ---------------- Suporte / Chat ---------------- */
.support { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: 20px; align-items: start; }

.chat { display: flex; flex-direction: column; height: min(78vh, 660px); overflow: hidden; box-shadow: var(--shadow); }

.chat__head {
  display: flex; align-items: center; gap: 13px;
  padding: 16px 20px; border-bottom: 1px solid var(--line-soft);
  background: rgba(43,166,255,.05);
}
.chat__avatar {
  width: 42px; height: 42px; border-radius: 50%; object-fit: cover; object-position: center 18%;
  border: 2px solid rgba(43,166,255,.55);
}
.chat__ident { display: flex; flex-direction: column; line-height: 1.35; flex: 1; }
.chat__ident strong { font-size: .98rem; }
.chat__status { display: inline-flex; align-items: center; gap: 6px; font-size: .76rem; color: var(--text-3); }
.chat__clear {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 10px;
  background: transparent; color: var(--text-3); cursor: pointer;
  transition: all .2s var(--ease);
}
.chat__clear svg { width: 17px; height: 17px; }
.chat__clear:hover { color: var(--vermelho); border-color: rgba(255,122,122,.4); background: rgba(255,122,122,.07); }

.chat__log {
  flex: 1; overflow-y: auto; padding: 22px 20px;
  display: flex; flex-direction: column; gap: 14px;
  scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}
.chat__log::-webkit-scrollbar { width: 8px; }
.chat__log::-webkit-scrollbar-thumb { background: var(--line); border-radius: 8px; }

.msg { display: flex; gap: 10px; max-width: 88%; animation: msgIn .32s var(--ease) both; }
@keyframes msgIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.msg--bot { align-self: flex-start; }
.msg--user { align-self: flex-end; flex-direction: row-reverse; }

.msg__pic {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  object-fit: cover; object-position: center 18%;
  border: 1px solid rgba(43,166,255,.4);
}
.msg__bubble {
  padding: 12px 16px; border-radius: 16px;
  font-size: .91rem; line-height: 1.6;
}
.msg--bot .msg__bubble {
  background: var(--bg-3); border: 1px solid var(--line); border-bottom-left-radius: 5px;
  color: var(--text-2);
}
.msg--user .msg__bubble {
  background: linear-gradient(135deg, var(--azul) 0%, #1a86e0 100%);
  color: #04121f; font-weight: 500; border-bottom-right-radius: 5px;
}
.msg__bubble p { margin: 0 0 .7em; }
.msg__bubble p:last-child { margin-bottom: 0; }
.msg__bubble strong { color: var(--text); }
.msg--user .msg__bubble strong { color: #04121f; }
.msg__bubble ul, .msg__bubble ol { margin: .3em 0 .7em; padding-left: 20px; display: grid; gap: 5px; }
.msg__bubble li { font-size: .89rem; }
.msg__bubble a { color: var(--azul-2); text-decoration: underline; text-underline-offset: 2px; }
.msg--user .msg__bubble a { color: #04121f; }
.msg__time { display: block; margin-top: 6px; font-size: .68rem; opacity: .55; }

.typing { display: flex; gap: 4px; padding: 15px 18px; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--text-3); animation: blink 1.3s infinite; }
.typing i:nth-child(2) { animation-delay: .18s; }
.typing i:nth-child(3) { animation-delay: .36s; }
@keyframes blink { 0%, 60%, 100% { opacity: .25; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

.chat__suggest { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 20px 12px; }
.chat__suggest:empty { display: none; }
.chat__suggest button {
  padding: 7px 14px; border: 1px solid rgba(43,166,255,.32); border-radius: 999px;
  background: rgba(43,166,255,.07); color: var(--azul-2);
  font: inherit; font-size: .8rem; cursor: pointer;
  transition: all .2s var(--ease);
}
.chat__suggest button:hover { background: rgba(43,166,255,.16); border-color: rgba(43,166,255,.6); }

.chat__form {
  display: flex; align-items: flex-end; gap: 10px;
  padding: 14px 16px 8px; border-top: 1px solid var(--line-soft);
  background: rgba(255,255,255,.015);
}
.chat__form textarea {
  flex: 1; resize: none; max-height: 130px;
  padding: 13px 16px;
  border: 1px solid var(--line); border-radius: 16px;
  background: var(--bg-2); color: var(--text);
  font: inherit; font-size: .92rem; line-height: 1.5;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.chat__form textarea::placeholder { color: var(--text-4); }
.chat__form textarea:focus { outline: none; border-color: rgba(43,166,255,.6); box-shadow: 0 0 0 3px rgba(43,166,255,.12); }
.chat__send {
  display: grid; place-items: center; flex-shrink: 0;
  width: 46px; height: 46px; border: 0; border-radius: 14px;
  background: linear-gradient(135deg, var(--azul) 0%, #1a86e0 100%);
  color: #04121f; cursor: pointer;
  box-shadow: 0 8px 22px rgba(43,166,255,.3);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.chat__send svg { width: 20px; height: 20px; }
.chat__send:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(43,166,255,.45); }
.chat__send:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.chat__hint { margin: 0; padding: 0 20px 12px; font-size: .72rem; color: var(--text-4); }

.support__side { display: grid; gap: 16px; }
.side-card { padding: 24px; }
.side-card h3 { font-size: 1rem; }
.side-card p { font-size: .88rem; color: var(--text-2); }
.side-card .btn { margin-top: 6px; }
.side-card .btn + .btn { margin-top: 9px; }
.side-card--accent { border-color: rgba(43,166,255,.28); background: linear-gradient(160deg, rgba(43,166,255,.09), rgba(43,166,255,.02)); }
.side-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.side-links a { display: block; padding: 9px 0; font-size: .88rem; border-bottom: 1px solid var(--line-soft); color: var(--text-2); }
.side-links li:last-child a { border-bottom: 0; }
.side-links a:hover { color: var(--azul-2); }

/* ---------------- FAQ ---------------- */
.faq { display: grid; gap: 10px; }
.faq__item { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); overflow: hidden; }
.faq__item summary {
  position: relative; list-style: none; cursor: pointer;
  padding: 18px 52px 18px 22px;
  font-size: .97rem; font-weight: 600;
  transition: background .2s var(--ease);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { background: rgba(255,255,255,.03); }
.faq__item summary::after {
  content: ""; position: absolute; right: 22px; top: 50%;
  width: 11px; height: 2px; background: var(--azul); border-radius: 2px;
  transform: translateY(-50%);
}
.faq__item summary::before {
  content: ""; position: absolute; right: 27px; top: 50%;
  width: 2px; height: 11px; background: var(--azul); border-radius: 2px;
  transform: translateY(-50%); transition: transform .25s var(--ease), opacity .25s;
}
.faq__item[open] summary::before { transform: translateY(-50%) rotate(90deg); opacity: 0; }
.faq__item > div { padding: 0 22px 20px; }
.faq__item p { margin: 0; font-size: .9rem; color: var(--text-2); }

/* ---------------- Footer ---------------- */
.footer { border-top: 1px solid var(--line-soft); background: rgba(0,0,0,.28); padding: 52px 0 26px; }
.footer__inner { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 40px; padding-bottom: 34px; }
.footer__brand img { height: 28px; margin-bottom: 14px; }
.footer__brand p { font-size: .88rem; color: var(--text-3); max-width: 34ch; margin: 0; }
.footer__nav { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 28px; }
.footer__nav h4 { font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-4); margin-bottom: 12px; }
.footer__nav a { display: block; padding: 5px 0; font-size: .88rem; color: var(--text-2); }
.footer__nav a:hover { color: var(--azul-2); }
.footer__bottom { padding-top: 22px; border-top: 1px solid var(--line-soft); font-size: .8rem; color: var(--text-4); }

/* ---------------- FAB ---------------- */
.fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 70;
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 20px; border: 0; border-radius: 999px;
  background: linear-gradient(135deg, var(--azul) 0%, #1a86e0 100%);
  color: #04121f; font: inherit; font-size: .9rem; font-weight: 600; cursor: pointer;
  box-shadow: 0 14px 38px rgba(43,166,255,.42);
  transition: transform .25s var(--ease), opacity .25s var(--ease), box-shadow .25s var(--ease);
}
.fab svg { width: 20px; height: 20px; }
.fab:hover { transform: translateY(-3px); box-shadow: 0 20px 48px rgba(43,166,255,.55); }
.fab[hidden] { display: none; }

/* ---------------- Responsivo ---------------- */
@media (max-width: 1000px) {
  .support { grid-template-columns: 1fr; }
  .chat { height: min(72vh, 580px); }
  .footer__inner { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 860px) {
  .nav, .topbar__cta { display: none; }
  .nav-toggle { display: flex; margin-left: 8px; }
  .nav-mobile { display: none; }
  .nav-mobile:not([hidden]) { display: flex; }
  .topbar__inner { height: 66px; }
  html { scroll-padding-top: 80px; }
}

@media (max-width: 640px) {
  .wrap, .wrap--narrow { width: calc(100% - 32px); }
  .brand__tag { display: none; }
  .guide > summary { padding: 16px 18px; font-size: .96rem; gap: 12px; }
  .guide__body { padding: 20px 18px 24px; }
  .hero__stats { gap: 26px; }
  .hero__stats strong { font-size: 1.4rem; }
  .msg { max-width: 94%; }
  .fab span { display: none; }
  .fab { padding: 15px; right: 16px; bottom: 16px; }
  .chat { height: min(76vh, 560px); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}