/* ==========================================================================
   JOÃO BERNARDO INFORMÁTICA — style.css
   Sistema de design: azul/vermelho do logótipo, tipografia técnica,
   motivo de "mira" (crosshair) como assinatura visual.
   ========================================================================== */

/* ==========================================================================
   TEMAS — claro (diurno) e escuro (noturno)

   O tema é escolhido pelo atributo data-tema no <html>:
     <html data-tema="claro">   ou   <html data-tema="escuro">

   Se o visitante nunca escolheu nada, o site segue automaticamente a
   preferência do sistema operativo dele (ver bloco prefers-color-scheme
   mais abaixo). O botão no cabeçalho permite trocar à mão.
   ========================================================================== */

:root, [data-tema="claro"] {
  /* Cores da marca — iguais nos dois temas */
  --blue: #0078FB;
  --blue-dark: #0052B4;
  --red: #DB3A2D;
  --red-dark: #B32A20;

  /* Constantes (texto sobre fundos escuros e sobre botões coloridos) */
  --white: #FFFFFF;
  --texto-claro: #FFFFFF;

  /* Tema claro */
  --navy: #0A1B33;          /* cor do texto principal */
  --bg: #F5F7FA;            /* fundo da página */
  --superficie: #FFFFFF;    /* cartões, painéis, formulários */
  --header-fundo: rgba(245, 247, 250, 0.85);
  --blue-pale: #E8F2FF;     /* fundos suaves azulados */
  --grey: #56637A;          /* texto secundário */
  --grey-light: #8894A8;    /* texto de apoio */
  --line: #DCE3EC;          /* linhas e contornos */
  --line-dark: #2A3C5E;     /* linhas sobre fundos escuros */
  --fundo-escuro: #0A1B33;  /* bandas escuras (estatísticas, contacto) */
  --fundo-escuro-2: #16294A;/* rodapé */
  --sombra: rgba(10, 27, 51, 0.22);
}

[data-tema="escuro"] {
  --navy: #E8EDF6;          /* texto principal passa a claro */
  --bg: #0B1220;            /* fundo da página fica escuro */
  --superficie: #141E30;    /* cartões ligeiramente mais claros que o fundo */
  --header-fundo: rgba(11, 18, 32, 0.85);
  --blue-pale: #16293F;     /* fundos suaves passam a azul escuro */
  --grey: #A3B0C6;
  --grey-light: #7C8AA3;
  --line: #253247;
  --line-dark: #33445F;
  --fundo-escuro: #060C16;  /* bandas ficam ainda mais escuras que a página */
  --fundo-escuro-2: #0B1220;
  --sombra: rgba(0, 0, 0, 0.5);

  /* No modo escuro o azul puro é agressivo — suaviza-se ligeiramente */
  --blue: #3B95FF;
  --blue-dark: #1E7BEA;
}

:root {
  /* Tipografia */
  --font-display: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  /* Layout */
  --container: 1180px;
  --radius: 14px;
  --radius-sm: 8px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--navy);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; line-height: 1.1; letter-spacing: -0.01em; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.section { padding: 112px 0; }
.section--tight { padding: 80px 0; }

/* ---------- Eyebrow / mono labels ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--blue-dark);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border: 1.5px solid var(--red);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}
.eyebrow::after {
  content: "";
  position: absolute;
  margin-left: -9px;
  width: 9px;
  height: 1.5px;
}
.eyebrow--light { color: #9FC4FF; }
.eyebrow--light::before { border-color: var(--red); }

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(30px, 4vw, 42px); font-weight: 600; }
.section-head p { margin-top: 16px; color: var(--grey); font-size: 17px; max-width: 540px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1.5px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--blue); color: var(--white); box-shadow: 0 8px 20px -8px rgba(0, 120, 251, 0.55); }
.btn-primary:hover { background: var(--blue-dark); box-shadow: 0 12px 26px -8px rgba(0, 82, 180, 0.55); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--line); }
.btn-outline:hover { border-color: var(--navy); }
.btn-outline--light { color: var(--texto-claro); border-color: rgba(255,255,255,0.35); }
.btn-outline--light:hover { border-color: var(--texto-claro); }
.btn-red { background: var(--red); color: var(--white); box-shadow: 0 8px 20px -8px rgba(219, 58, 45, 0.55); }
.btn-red:hover { background: var(--red-dark); }
.btn-icon { font-family: var(--font-mono); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-fundo);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 34px; width: auto; }
.brand-fallback { font-family: var(--font-display); font-weight: 700; font-size: 19px; letter-spacing: -0.02em; }
.brand-fallback span { color: var(--blue); }

.main-nav ul { display: flex; align-items: center; gap: 40px; }
.main-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--navy);
  position: relative;
  padding: 6px 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--red);
  transition: right 0.2s ease;
}
.main-nav a:hover::after { right: 0; }

.header-cta { display: flex; align-items: center; gap: 18px; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px; height: 40px;
  position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute;
  left: 8px; right: 8px;
  height: 2px;
  background: var(--fundo-escuro);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle span { top: 19px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle.is-active span { background: transparent; }
.nav-toggle.is-active span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 104px;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(38px, 5.4vw, 60px);
  font-weight: 600;
  color: var(--navy);
}
.hero h1 em {
  font-style: normal;
  color: var(--blue);
  position: relative;
}
.hero-sub {
  margin-top: 22px;
  font-size: 18px;
  color: var(--grey);
  max-width: 480px;
}
.hero-actions { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.hero-meta {
  display: flex;
  gap: 32px;
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.hero-meta div strong { display: block; font-family: var(--font-display); font-size: 24px; color: var(--navy); }
.hero-meta div span { font-size: 13px; color: var(--grey-light); font-family: var(--font-mono); }

/* Signature crosshair visual */
.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 480px;
  margin: 0 auto;
}
.reticle {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1px dashed rgba(0, 120, 251, 0.35);
  animation: spin 40s linear infinite;
}
.reticle--mid { inset: 12%; border-color: rgba(219, 58, 45, 0.3); animation-duration: 30s; animation-direction: reverse; }
.reticle--core {
  position: absolute; inset: 30%;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--blue-pale), var(--superficie));
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 30px 60px -20px rgba(10, 27, 51, 0.25);
}
.reticle--core img { width: 56%; }
.reticle-line { position: absolute; background: rgba(10, 27, 51, 0.15); }
.reticle-line--h { left: -8%; right: -8%; top: 50%; height: 1px; }
.reticle-line--v { top: -8%; bottom: -8%; left: 50%; width: 1px; }
.reticle-tick {
  position: absolute;
  width: 10px; height: 10px;
  border: 1.5px solid var(--red);
  border-radius: 2px;
  background: var(--bg);
}
.reticle-tick--tl { top: -5px; left: -5px; border-right: none; border-bottom: none; }
.reticle-tick--tr { top: -5px; right: -5px; border-left: none; border-bottom: none; }
.reticle-tick--bl { bottom: -5px; left: -5px; border-right: none; border-top: none; }
.reticle-tick--br { bottom: -5px; right: -5px; border-left: none; border-top: none; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Marquee strip ---------- */
.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--superficie);
  padding: 18px 0;
  overflow: hidden;
}
.strip-track {
  display: flex;
  gap: 56px;
  width: max-content;
  animation: marquee 26s linear infinite;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--grey-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.strip-track span { display: flex; align-items: center; gap: 10px; }
.strip-track span::before { content: "◆"; color: var(--red); font-size: 8px; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.service-card {
  position: relative;
  background: var(--superficie);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px 30px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.service-card::before, .service-card::after,
.service-card .corner-a, .service-card .corner-b { content: ""; }
.service-card .corner {
  position: absolute;
  width: 18px; height: 18px;
  border: 2px solid var(--red);
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.service-card .corner--tl { top: 8px; left: 8px; border-right: none; border-bottom: none; transform: translate(6px, 6px); }
.service-card .corner--br { bottom: 8px; right: 8px; border-left: none; border-top: none; transform: translate(-6px, -6px); }
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -24px rgba(10, 27, 51, 0.22);
  border-color: transparent;
}
.service-card:hover .corner { opacity: 1; transform: translate(0, 0); }

.service-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue-dark);
  background: var(--blue-pale);
  padding: 4px 9px;
  border-radius: 5px;
  letter-spacing: 0.04em;
  margin-bottom: 22px;
}
.service-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.service-card p { color: var(--grey); font-size: 15px; margin-bottom: 20px; }
.service-list { display: flex; flex-direction: column; gap: 8px; }
.service-list li {
  font-size: 13.5px;
  color: var(--navy);
  padding-left: 18px;
  position: relative;
}
.service-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 6px; height: 6px;
  border: 1.5px solid var(--blue);
  transform: rotate(45deg);
}

/* ---------- Abordagem (2-column, dark image / light text) ---------- */
.approach {
  background: var(--superficie);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.approach .container {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 0;
}
.approach-visual {
  background: var(--fundo-escuro);
  background-image:
    radial-gradient(circle at 20% 20%, rgba(0, 120, 251, 0.35), transparent 45%),
    radial-gradient(circle at 80% 75%, rgba(219, 58, 45, 0.25), transparent 40%);
  min-height: 460px;
  margin: 0 -32px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.approach-visual svg { width: 78%; height: auto; }
.approach-body { padding: 96px 0 96px 72px; }
.approach-item { padding: 28px 0; border-top: 1px solid var(--line); }
.approach-item:first-of-type { border-top: none; padding-top: 0; }
.approach-item h3 {
  font-size: 20px;
  font-weight: 600;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.approach-item h3 .code { font-family: var(--font-mono); font-size: 13px; color: var(--red); font-weight: 500; }
.approach-item p { color: var(--grey); margin-top: 10px; font-size: 15.5px; max-width: 480px; }

/* ---------- Stats band ---------- */
.stats-band { background: var(--fundo-escuro); color: var(--texto-claro); }
.stats-band .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding: 80px 32px;
}
.stat { text-align: center; padding: 0 20px; border-left: 1px solid var(--line-dark); }
.stat:first-child { border-left: none; }
.stat .reticle-icon {
  width: 52px; height: 52px;
  margin: 0 auto 20px;
  border: 1.5px dashed rgba(255,255,255,0.35);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.stat .reticle-icon svg { width: 22px; height: 22px; }
.stat strong { display: block; font-family: var(--font-display); font-size: 26px; font-weight: 600; }
.stat span { display: block; margin-top: 8px; font-size: 14px; color: #A9BADB; }

/* ---------- Processo (steps) ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: step;
}
.process-step {
  padding: 0 24px 0 0;
  border-right: 1px dashed var(--line);
  position: relative;
}
.process-step:last-child { border-right: none; padding-right: 0; }
.process-step .step-code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--red);
  display: block;
  margin-bottom: 16px;
}
.process-step h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.process-step p { color: var(--grey); font-size: 14.5px; }

/* ---------- FAQ ---------- */
.faq-wrap {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 64px;
  align-items: start;
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-question {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 4px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
}
.faq-question .plus {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border: 1.5px solid var(--red);
  border-radius: 50%;
  position: relative;
  margin-left: 20px;
}
.faq-question .plus::before, .faq-question .plus::after {
  content: "";
  position: absolute;
  background: var(--red);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.faq-question .plus::before { width: 9px; height: 1.5px; }
.faq-question .plus::after { width: 1.5px; height: 9px; transition: transform 0.25s ease, opacity 0.25s ease; }
.faq-item.is-open .plus::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-item.is-open .plus { background: var(--red); border-color: var(--red); }
.faq-item.is-open .plus::before, .faq-item.is-open .plus::after { background: var(--texto-claro); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-answer p { padding: 0 4px 24px; color: var(--grey); font-size: 15.5px; max-width: 560px; }

.faq-visual {
  background: var(--blue-pale);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid var(--line);
}
.faq-visual .eyebrow { color: var(--blue-dark); }
.faq-visual h3 { font-size: 22px; margin-bottom: 14px; }
.faq-visual p { color: var(--grey); font-size: 15px; margin-bottom: 24px; }

/* ---------- Contacto ---------- */
.contact-band { background: var(--fundo-escuro); color: var(--texto-claro); position: relative; overflow: hidden; }
.contact-band::before {
  content: "";
  position: absolute;
  top: -20%; right: -10%;
  width: 480px; height: 480px;
  border-radius: 50%;
  border: 1px dashed rgba(0, 120, 251, 0.25);
}
.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  position: relative;
}
.contact-info h2 { font-size: clamp(28px, 3.6vw, 38px); color: var(--texto-claro); margin-bottom: 18px; }
.contact-info p { color: #B8C6E3; font-size: 16px; margin-bottom: 36px; max-width: 420px; }
.contact-detail { display: flex; gap: 14px; margin-bottom: 22px; align-items: flex-start; }
.contact-detail .ico {
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-detail strong { display: block; font-size: 14px; color: #8FA6D4; font-family: var(--font-mono); font-weight: 500; }
.contact-detail span, .contact-detail a { font-size: 16px; color: var(--texto-claro); }

.contact-form {
  background: var(--superficie);
  border-radius: var(--radius);
  padding: 44px;
  color: var(--navy);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.04em; color: var(--grey); }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--navy);
  background: var(--bg);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: var(--superficie);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 13px; color: var(--grey-light); margin-top: 14px; }
.form-status { margin-bottom: 18px; padding: 13px 16px; border-radius: var(--radius-sm); font-size: 14.5px; display: none; }
.form-status.is-success { display: block; background: #E7F8EE; color: #1E7A46; border: 1px solid #BEE8CE; }
.form-status.is-error { display: block; background: #FDEDEC; color: var(--red-dark); border: 1px solid #F6C6C1; }

/* ---------- Footer ---------- */
.site-footer { background: var(--fundo-escuro-2); color: #C6D2E8; padding: 64px 0 28px; }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line-dark);
}
.footer-brand .brand-fallback { color: var(--texto-claro); }
.footer-brand .brand-fallback span { color: #5CA5FF; }
.footer-brand p { margin-top: 16px; color: #93A5C7; font-size: 14.5px; max-width: 300px; }
.footer-col h4 { font-family: var(--font-mono); font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; color: #7C90BB; margin-bottom: 18px; font-weight: 500; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 15px; color: #D3DCEE; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--texto-claro); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  font-size: 13.5px;
  color: #7C90BB;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a { color: #9FB2D6; }
.footer-bottom a:hover { color: var(--texto-claro); }

/* ---------- Reveal on scroll ----------
   Content is visible by default (no-JS / older engines safe).
   JS opts elements into the hidden->visible transition via .reveal-init. */
.reveal.reveal-init { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.reveal-init.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .process-step { border-right: none; padding-right: 0; }
  .approach .container { grid-template-columns: 1fr; }
  .approach-visual { min-height: 320px; margin: 0; }
  .approach-body { padding: 56px 0 0; }
  .faq-wrap { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .stats-band .container { grid-template-columns: 1fr; gap: 36px; padding: 56px 32px; }
  .stat { border-left: none; padding: 0; }
}

@media (max-width: 760px) {
  .section { padding: 76px 0; }
  .main-nav, .header-cta .btn-outline { display: none; }
  .nav-toggle { display: block; }
  .site-header.nav-open .main-nav {
    display: flex;
    position: absolute;
    top: 84px; left: 0; right: 0;
    background: var(--superficie);
    border-bottom: 1px solid var(--line);
    padding: 20px 32px 28px;
  }
  .site-header.nav-open .main-nav ul { flex-direction: column; align-items: flex-start; gap: 18px; }
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 280px; }
  .hero-meta { flex-wrap: wrap; gap: 24px 32px; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px; }
}

/* ==========================================================================
   TEMA AUTOMÁTICO
   Quando o visitante ainda não escolheu nada à mão, o site segue a
   preferência do sistema (data-tema="auto" é o estado inicial).
   ========================================================================== */
@media (prefers-color-scheme: dark) {
  [data-tema="auto"] {
    --navy: #E8EDF6;
    --bg: #0B1220;
    --superficie: #141E30;
    --header-fundo: rgba(11, 18, 32, 0.85);
    --blue-pale: #16293F;
    --grey: #A3B0C6;
    --grey-light: #7C8AA3;
    --line: #253247;
    --line-dark: #33445F;
    --fundo-escuro: #060C16;
    --fundo-escuro-2: #0B1220;
    --sombra: rgba(0, 0, 0, 0.5);
    --blue: #3B95FF;
    --blue-dark: #1E7BEA;
  }
}

/* Transição suave ao trocar de tema (respeitando quem prefere menos motion) */
body, .site-header, .service-card, .contact-form, .faq-visual,
.strip, .approach, .site-footer, .stats-band, .contact-band,
.field input, .field select, .field textarea {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ==========================================================================
   BOTÃO DE TROCA DE TEMA
   ========================================================================== */
.tema-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  background: var(--superficie);
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.tema-btn:hover { border-color: var(--blue); transform: rotate(-15deg); }
.tema-btn svg { width: 19px; height: 19px; }

/* Mostra o ícone certo consoante o tema ativo */
.tema-btn .icone-lua  { display: none; }
.tema-btn .icone-sol  { display: block; }
[data-tema="escuro"] .tema-btn .icone-lua { display: block; }
[data-tema="escuro"] .tema-btn .icone-sol { display: none; }
@media (prefers-color-scheme: dark) {
  [data-tema="auto"] .tema-btn .icone-lua { display: block; }
  [data-tema="auto"] .tema-btn .icone-sol { display: none; }
}

/* ==========================================================================
   AJUSTES DE CONTRASTE NO MODO ESCURO
   ========================================================================== */
[data-tema="escuro"] .service-card,
[data-tema="auto"] .service-card {
  box-shadow: none;
}
[data-tema="escuro"] .service-card:hover {
  box-shadow: 0 24px 48px -24px var(--sombra);
}
[data-tema="escuro"] .reticle-line,
[data-tema="auto"] .reticle-line {
  background: rgba(255, 255, 255, 0.12);
}
[data-tema="escuro"] .reticle-tick { background: var(--bg); }
[data-tema="escuro"] .site-footer { border-top: 1px solid var(--line); }
[data-tema="escuro"] .form-status.is-success {
  background: #10301F; color: #7FE0A6; border-color: #1D5436;
}
[data-tema="escuro"] .form-status.is-error {
  background: #3A1512; color: #FF9C91; border-color: #6B2822;
}

/* O logótipo é transparente; no modo escuro ganha um leve brilho para
   não se perder contra o fundo. */
[data-tema="escuro"] .brand img,
[data-tema="escuro"] .reticle--core img {
  filter: brightness(1.15);
}
@media (prefers-color-scheme: dark) {
  [data-tema="auto"] .brand img,
  [data-tema="auto"] .reticle--core img { filter: brightness(1.15); }
}

/* ==========================================================================
   PÁGINAS DE CONTA E ABA PRIVADA
   ========================================================================== */

.pagina-simples {
  min-height: calc(100vh - 84px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
}

.cartao-auth {
  width: 100%;
  max-width: 460px;
  background: var(--superficie);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: 0 24px 48px -30px var(--sombra);
}
.cartao-auth--largo { max-width: 620px; }

.cartao-auth h1 {
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 8px;
}
.cartao-auth .subtitulo {
  color: var(--grey);
  font-size: 15px;
  margin-bottom: 28px;
}

/* Separadores entre "Entrar" e "Criar conta" */
.abas {
  display: flex;
  gap: 4px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
  margin-bottom: 28px;
}
.abas button {
  flex: 1;
  padding: 10px 14px;
  border: none;
  background: transparent;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--grey);
  transition: background 0.2s ease, color 0.2s ease;
}
.abas button.ativa {
  background: var(--blue);
  color: #FFFFFF;
}

.painel { display: none; }
.painel.ativo { display: block; }

.aviso {
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  margin-bottom: 20px;
  display: none;
}
.aviso.is-success { display: block; background: #E7F8EE; color: #1E7A46; border: 1px solid #BEE8CE; }
.aviso.is-error   { display: block; background: #FDEDEC; color: var(--red-dark); border: 1px solid #F6C6C1; }
.aviso.is-info    { display: block; background: var(--blue-pale); color: var(--blue-dark); border: 1px solid var(--line); }
[data-tema="escuro"] .aviso.is-success { background:#10301F; color:#7FE0A6; border-color:#1D5436; }
[data-tema="escuro"] .aviso.is-error   { background:#3A1512; color:#FF9C91; border-color:#6B2822; }

.link-discreto {
  background: none;
  border: none;
  color: var(--blue);
  font-size: 14px;
  padding: 0;
  text-decoration: underline;
  font-family: inherit;
}
.texto-centro { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }

/* ---------- Cabeçalho simples das páginas internas ---------- */
.topo-simples {
  border-bottom: 1px solid var(--line);
  background: var(--header-fundo);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.topo-simples .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 16px;
}
.topo-simples .brand img { height: 30px; }

/* ---------- Painel de administração ---------- */
.admin-corpo { padding: 40px 0 80px; }

.cartoes-resumo {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 36px;
}
.cartao-resumo {
  background: var(--superficie);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.cartao-resumo strong {
  display: block;
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
}
.cartao-resumo span {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--grey-light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.cartao-resumo.destaque { border-color: var(--red); }
.cartao-resumo.destaque strong { color: var(--red); }

/* Barra de separadores do painel */
.admin-abas {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.admin-abas button {
  padding: 12px 20px;
  border: none;
  background: transparent;
  color: var(--grey);
  font-size: 15px;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.admin-abas button.ativa { color: var(--navy); border-bottom-color: var(--blue); }

/* Lista de pedidos / reparações */
.lista { display: flex; flex-direction: column; gap: 14px; }

.item {
  background: var(--superficie);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: border-color 0.2s ease;
}
.item:hover { border-color: var(--blue); }
.item-topo {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}
.item h3 { font-size: 17px; font-weight: 600; margin-bottom: 4px; }
.item .meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--grey-light);
}
.item .corpo {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--grey);
  font-size: 14.5px;
  white-space: pre-wrap;
}

/* Etiquetas de estado */
.etiqueta {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  white-space: nowrap;
}
.etiqueta.novo        { background: #FDEDEC; color: var(--red-dark); }
.etiqueta.em_analise  { background: #FFF4E0; color: #9A6209; }
.etiqueta.respondido  { background: var(--blue-pale); color: var(--blue-dark); }
.etiqueta.fechado     { background: var(--bg); color: var(--grey); }
.etiqueta.marcada     { background: var(--blue-pale); color: var(--blue-dark); }
.etiqueta.em_curso    { background: #FFF4E0; color: #9A6209; }
.etiqueta.concluida   { background: #E7F8EE; color: #1E7A46; }
.etiqueta.entregue    { background: var(--bg); color: var(--grey); }
[data-tema="escuro"] .etiqueta.novo       { background:#3A1512; color:#FF9C91; }
[data-tema="escuro"] .etiqueta.em_analise,
[data-tema="escuro"] .etiqueta.em_curso   { background:#3A2A0C; color:#F2C46B; }
[data-tema="escuro"] .etiqueta.concluida  { background:#10301F; color:#7FE0A6; }

.acoes-item {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
  align-items: center;
}
.btn-pequeno {
  padding: 8px 16px;
  font-size: 13.5px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: transparent;
  color: var(--navy);
  font-weight: 600;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.btn-pequeno:hover { border-color: var(--blue); }
.btn-pequeno.primario { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-pequeno.perigo:hover { border-color: var(--red); color: var(--red); }

.caixa-resposta { margin-top: 16px; display: none; }
.caixa-resposta.aberta { display: block; }
.caixa-resposta textarea {
  width: 100%;
  min-height: 110px;
  padding: 13px 15px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 14.5px;
  resize: vertical;
}
.caixa-resposta textarea:focus { outline: none; border-color: var(--blue); background: var(--superficie); }

.resposta-anterior {
  margin-top: 12px;
  padding: 12px 15px;
  background: var(--bg);
  border-left: 3px solid var(--blue);
  border-radius: 6px;
  font-size: 14px;
  color: var(--grey);
  white-space: pre-wrap;
}

.vazio {
  text-align: center;
  padding: 60px 20px;
  color: var(--grey-light);
  font-size: 15px;
}

/* Tabela de clientes */
.tabela-envolvente { overflow-x: auto; }
table.tabela {
  width: 100%;
  border-collapse: collapse;
  background: var(--superficie);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 14.5px;
}
table.tabela th, table.tabela td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
table.tabela th {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--grey-light);
  font-weight: 500;
  background: var(--bg);
}
table.tabela tr:last-child td { border-bottom: none; }

/* Formulário em grelha */
.grelha-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

@media (max-width: 860px) {
  .cartoes-resumo { grid-template-columns: repeat(2, 1fr); }
  .grelha-2 { grid-template-columns: 1fr; }
  .cartao-auth { padding: 28px 22px; }
  .admin-abas { gap: 0; }
  .admin-abas button { padding: 12px 14px; font-size: 14px; }
}
@media (max-width: 520px) {
  .cartoes-resumo { grid-template-columns: 1fr; }
}

/* ==========================================================================
   MAPA DA ÁREA DE SERVIÇO
   ========================================================================== */
.mapa-area {
  margin-top: 26px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  max-width: 420px;
  line-height: 0;
}
.mapa-area iframe { display: block; }

/* O mapa do Google é sempre claro; no modo noturno suaviza-se um pouco
   para não ofuscar contra a banda escura de contacto. */
[data-tema="escuro"] .mapa-area iframe { filter: brightness(0.82) contrast(1.05); }
@media (prefers-color-scheme: dark) {
  [data-tema="auto"] .mapa-area iframe { filter: brightness(0.82) contrast(1.05); }
}

@media (max-width: 1020px) {
  .mapa-area { max-width: 100%; }
}

/* ==========================================================================
   PÁGINA SOBRE
   ========================================================================== */
.sobre-grelha {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 56px;
  align-items: start;
}

.sobre-texto h3 {
  font-size: 21px;
  font-weight: 600;
  margin-bottom: 12px;
}
.sobre-texto p {
  color: var(--grey);
  font-size: 16px;
  margin-bottom: 14px;
  max-width: 620px;
}
.mt-32 { margin-top: 38px; }

.cartao-info {
  background: var(--superficie);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
}
.cartao-info h3 { font-size: 19px; font-weight: 600; margin-bottom: 18px; }

.lista-pagamentos {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.lista-pagamentos li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.ico-pag {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  background: var(--blue-pale);
}
.ico-pag svg { width: 20px; height: 20px; }
.lista-pagamentos strong { display: block; font-size: 15.5px; font-weight: 600; }
.lista-pagamentos span { font-size: 13.5px; color: var(--grey-light); }

.nota-pagamento {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--grey-light);
}

/* Marca a página aberta no menu */
.main-nav a.ativa { color: var(--blue); }
.main-nav a.ativa::after { right: 0; background: var(--blue); }

@media (max-width: 1020px) {
  .sobre-grelha { grid-template-columns: 1fr; gap: 40px; }
  .sobre-texto p { max-width: 100%; }
}

/* Com mais itens no menu, reduz-se o espaçamento em ecrãs médios
   para o logótipo não colar ao primeiro link. */
.site-header .container { gap: 24px; }
.brand { flex-shrink: 0; }
.main-nav ul { gap: 28px; }

@media (max-width: 1240px) {
  .main-nav ul { gap: 18px; }
  .main-nav a { font-size: 14.5px; }
  .header-cta { gap: 12px; }
  .btn { padding: 13px 20px; font-size: 14.5px; }
}
@media (max-width: 1100px) {
  /* Abaixo desta largura o menu completo não cabe: passa a hambúrguer */
  .main-nav, .header-cta .btn-outline { display: none; }
  .nav-toggle { display: block; }
  .site-header.nav-open .main-nav {
    display: flex;
    position: absolute;
    top: 84px; left: 0; right: 0;
    background: var(--superficie);
    border-bottom: 1px solid var(--line);
    padding: 20px 32px 28px;
  }
  .site-header.nav-open .main-nav ul { flex-direction: column; align-items: flex-start; gap: 18px; }
}

/* Impede que itens de menu com duas palavras partam de linha */
.main-nav a { white-space: nowrap; }

/* Em ecrãs estreitos o botão de orçamento não cabe no cabeçalho.
   Fica só o tema e o menu — o orçamento está no menu e na página. */
@media (max-width: 620px) {
  .header-cta .btn-primary { display: none; }
  .site-header .container { gap: 12px; }
}

/* ==========================================================================
   BOTÃO DA ÁREA RESERVADA (rodapé)
   ========================================================================== */
.footer-acoes {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-area-reservada {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  color: #C6D2E8;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.btn-area-reservada svg { width: 15px; height: 15px; }
.btn-area-reservada:hover {
  border-color: var(--blue);
  color: #FFFFFF;
  background: rgba(0, 120, 251, 0.12);
}

@media (max-width: 620px) {
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-acoes { width: 100%; justify-content: space-between; }
}

/* ==========================================================================
   PESQUISA E PAGINAÇÃO (aba privada)
   ========================================================================== */
.campo-procura {
  position: relative;
  margin-bottom: 20px;
}
.campo-procura svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--grey-light);
  pointer-events: none;
}
.campo-procura input {
  width: 100%;
  padding: 13px 16px 13px 46px;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  background: var(--superficie);
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color 0.2s ease;
}
.campo-procura input:focus { outline: none; border-color: var(--blue); }
.campo-procura input::placeholder { color: var(--grey-light); }

.campo-procura--grande input { padding: 16px 18px 16px 50px; font-size: 16px; }
.campo-procura--grande svg { width: 20px; height: 20px; left: 18px; }

.dica-procura {
  font-size: 13.5px;
  color: var(--grey-light);
  margin: -10px 0 24px 4px;
}

/* ---------- Paginação ---------- */
.paginacao {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 26px;
  flex-wrap: wrap;
}
.paginacao button {
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border: 1.5px solid var(--line);
  background: var(--superficie);
  color: var(--navy);
  border-radius: 10px;
  font-size: 14.5px;
  font-weight: 600;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.paginacao button:hover:not(:disabled) { border-color: var(--blue); }
.paginacao button.atual {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}
.paginacao button:disabled { opacity: 0.4; cursor: default; }
.paginacao .info {
  font-size: 13.5px;
  color: var(--grey-light);
  font-family: var(--font-mono);
  margin: 0 10px;
}

/* ---------- Resultados da pesquisa global ---------- */
.grupo-resultados { margin-bottom: 34px; }
.grupo-resultados > h3 {
  font-size: 15px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--grey-light);
  font-weight: 500;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.marca-termo {
  background: rgba(0, 120, 251, 0.18);
  color: var(--blue-dark);
  border-radius: 3px;
  padding: 0 2px;
  font-weight: 600;
}
[data-tema="escuro"] .marca-termo { color: #9FC8FF; }

/* Botão de enviar registo em PDF */
.btn-pdf { display: inline-flex; align-items: center; gap: 7px; }
.btn-pdf svg { width: 15px; height: 15px; }

/* ==========================================================================
   EMOJIS NAS ETIQUETAS E NO RODAPÉ
   ========================================================================== */
.emoji {
  display: inline-block;
  margin-right: 8px;
  /* Tamanho fixo para não variar conforme a fonte à volta */
  font-size: 1em;
  line-height: 1;
  /* Impede que o sistema aplique a cor do texto aos emojis monocromáticos */
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
  /* Alinha melhor com o texto ao lado */
  vertical-align: -0.05em;
  /* Nos leitores de ecrã não faz falta ler o símbolo */
  user-select: none;
}

/* Nas etiquetas do processo (texto pequeno em maiúsculas) */
.step-code .emoji {
  font-size: 1.15em;
  margin-right: 7px;
  vertical-align: -0.12em;
}

/* No rodapé, alinha a coluna toda pelo mesmo sítio */
.footer-col .emoji {
  width: 1.35em;
  margin-right: 9px;
  text-align: center;
}

/* Alguns emojis são mais estreitos do que outros; esta regra garante
   que todos ocupam a mesma largura e o texto alinha na mesma coluna. */
.footer-col li { display: flex; align-items: baseline; }
.footer-col li > a,
.footer-col li > span { display: inline-flex; align-items: baseline; }
.footer-col .emoji {
  flex: 0 0 1.35em;
  display: inline-block;
}

/* ==========================================================================
   ASSISTENTE (canto inferior direito)
   ========================================================================== */
.assistente {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  font-family: var(--font-body);
}

/* ---- Botão redondo ---- */
.assistente-botao {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: none;
  background: var(--blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px -8px rgba(0, 120, 251, 0.6);
  transition: transform 0.2s ease, background 0.2s ease;
}
.assistente-botao:hover { transform: translateY(-2px); background: var(--blue-dark); }
.assistente-botao svg { width: 26px; height: 26px; }
.assistente-botao .ico-fechar { display: none; }
.assistente.aberto .ico-abrir  { display: none; }
.assistente.aberto .ico-fechar { display: block; }

/* ---- Janela ---- */
.assistente-janela {
  position: absolute;
  right: 0;
  bottom: 72px;
  width: 370px;
  max-width: calc(100vw - 32px);
  /* Nunca mais alta do que o ecrã, senão a barra de topo (com o X de
     fechar) sai da vista e a janela deixa de se poder fechar. */
  max-height: calc(100vh - 120px);
  background: var(--superficie);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 26px 60px -20px var(--sombra);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: assistenteEntra 0.22s ease;
}

/* IMPORTANTE: sem esta regra, o display:flex acima ganha ao atributo
   hidden do HTML e a janela fica sempre aberta, sem forma de a fechar. */
.assistente-janela[hidden] { display: none; }
@keyframes assistenteEntra {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.assistente-topo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  background: var(--fundo-escuro);
  color: var(--texto-claro);
  flex: 0 0 auto;
}
.assistente-topo strong { display: block; font-size: 15.5px; }
.assistente-topo span   { display: block; font-size: 12.5px; color: #9FB2D6; margin-top: 2px; }
.assistente-fechar {
  background: none; border: none; color: #9FB2D6;
  width: 30px; height: 30px; border-radius: 8px; flex-shrink: 0;
}
.assistente-fechar:hover { color: #fff; background: rgba(255,255,255,0.1); }
.assistente-fechar svg { width: 17px; height: 17px; }

/* ---- Mensagens ---- */
.assistente-mensagens {
  padding: 16px;
  /* Altura adaptável: encolhe em ecrãs baixos, para a janela caber toda */
  height: min(320px, 42vh);
  min-height: 140px;
  flex: 1 1 auto;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--bg);
}
.assistente-msg { display: flex; }
.assistente-msg.de-pessoa { justify-content: flex-end; }

.assistente-msg .bolha {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14.5px;
  line-height: 1.5;
}
.assistente-msg.de-assistente .bolha {
  background: var(--superficie);
  border: 1px solid var(--line);
  color: var(--navy);
  border-bottom-left-radius: 4px;
}
.assistente-msg.de-pessoa .bolha {
  background: var(--blue);
  color: #fff;
  border-bottom-right-radius: 4px;
}

/* Pontinhos de "a escrever" */
.assistente-msg.a-escrever .bolha { display: flex; gap: 4px; padding: 14px; }
.assistente-msg.a-escrever span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--grey-light);
  animation: pontinho 1.2s infinite;
}
.assistente-msg.a-escrever span:nth-child(2) { animation-delay: 0.2s; }
.assistente-msg.a-escrever span:nth-child(3) { animation-delay: 0.4s; }
@keyframes pontinho {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30%           { opacity: 1;   transform: translateY(-3px); }
}

/* ---- Sugestões ---- */
.assistente-sugestoes {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 0 16px 12px;
  background: var(--bg);
  flex: 0 0 auto;
}
.assistente-sugestoes button {
  border: 1px solid var(--line);
  background: var(--superficie);
  color: var(--grey);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: 12.5px;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.assistente-sugestoes button:hover { border-color: var(--blue); color: var(--blue); }

/* ---- Campo de escrita ---- */
.assistente-form {
  display: flex;
  gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  background: var(--superficie);
  flex: 0 0 auto;
}
.assistente-form input {
  flex: 1;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 11px 16px;
  font-family: var(--font-body);
  font-size: 14.5px;
  background: var(--bg);
  color: var(--navy);
}
.assistente-form input:focus { outline: none; border-color: var(--blue); }
.assistente-form button {
  width: 42px; height: 42px; flex-shrink: 0;
  border: none; border-radius: 50%;
  background: var(--blue); color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.assistente-form button:hover { background: var(--blue-dark); }
.assistente-form button svg { width: 18px; height: 18px; }

.assistente-nota {
  padding: 0 16px 14px;
  font-size: 11.5px;
  color: var(--grey-light);
  background: var(--superficie);
  text-align: center;
}
.assistente-nota a { color: var(--blue); text-decoration: underline; }

/* ---- Telemóvel: ocupa quase todo o ecrã ---- */
@media (max-width: 520px) {
  .assistente { right: 16px; bottom: 16px; }
  .assistente-janela {
    position: fixed;
    right: 12px; left: 12px; bottom: 88px;
    width: auto;
  }
  .assistente-mensagens { height: min(42vh, 300px); }
}
