/* ==========================================================================
   HelloIT — folha de estilo institucional
   CSS puro, sem dependências externas. Tema escuro predominante.
   ========================================================================== */

:root {
  /* Cores base */
  --bg: #090B14;
  --bg-2: #101424;
  --surface: #171B2E;
  --surface-2: #1D2238;
  --purple: #7C3AED;
  --purple-light: #A78BFA;
  --orange: #F97316;
  --orange-light: #FB923C;
  --text: #F8FAFC;
  --text-2: #AAB2C5;
  --text-3: #7F899E;
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.16);
  --green: #22C55E;

  /* Tipografia */
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Layout */
  --maxw: 1160px;
  --radius: 14px;
  --radius-sm: 10px;
  --header-h: 64px;

  /* Espaçamentos */
  --space-section: clamp(3.5rem, 8vw, 6rem);
}

/* Reset enxuto ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-2);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }

/* Garante que o atributo hidden funcione mesmo em elementos com display próprio
   (ex.: .btn usa display:inline-flex e sobreporia o hidden do UA stylesheet). */
[hidden] { display: none !important; }
a { color: var(--purple-light); text-decoration: none; }
a:hover { color: var(--text); }

h1, h2, h3, h4 {
  color: var(--text);
  line-height: 1.2;
  margin: 0 0 0.6em;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
h1 { font-size: clamp(1.9rem, 4.6vw, 3rem); }
h2 { font-size: clamp(1.55rem, 3.4vw, 2.15rem); }
h3 { font-size: 1.18rem; }
p { margin: 0 0 1rem; max-width: 68ch; }

ul { margin: 0; padding: 0; list-style: none; }

/* Acessibilidade -------------------------------------------------------- */
:focus-visible {
  outline: 3px solid var(--purple-light);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 200;
  background: var(--purple);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 12px; color: #fff; }

.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;
}

/* Estrutura ------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

section { padding-block: var(--space-section); }
.section-sm { padding-block: clamp(2.5rem, 6vw, 4rem); }

.section-head { max-width: 60ch; margin-bottom: 2.5rem; }
.section-head.center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--purple-light);
  margin-bottom: 0.75rem;
}
.lead { font-size: 1.08rem; color: var(--text-2); }

/* Botões ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 46px;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  text-align: center;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--purple);
  color: #fff;
  box-shadow: 0 6px 20px -8px rgba(124, 58, 237, 0.7);
}
.btn-primary:hover { background: #6D28D9; color: #fff; }

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover { border-color: var(--purple-light); color: var(--text); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover { border-color: var(--orange); color: var(--text); }

.btn-block { width: 100%; }

/* Cabeçalho ------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 11, 20, 0.82);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { height: 32px; width: auto; }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
}
.nav-toggle svg { width: 22px; height: 22px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.main-nav a {
  display: block;
  padding: 0.5rem 0.7rem;
  color: var(--text-2);
  font-size: 0.94rem;
  font-weight: 500;
  border-radius: 8px;
  transition: color 0.15s ease, background-color 0.15s ease;
}
.main-nav a:hover { color: var(--text); background: var(--surface); }
.main-nav a[aria-current="page"] { color: var(--text); }
.main-nav .nav-cta { margin-left: 0.4rem; }

/* Hero ------------------------------------------------------------------ */
.hero {
  position: relative;
  padding-block: clamp(3rem, 8vw, 5.5rem);
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.hero::before {
  /* brilho discreto */
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.28), transparent 62%);
  pointer-events: none;
  z-index: 0;
}
.hero::after {
  /* grade tecnológica */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 40%, transparent 100%);
          mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 40%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}
.hero h1 { margin-bottom: 1rem; }
.hero .lead { font-size: clamp(1.02rem, 2vw, 1.18rem); max-width: 54ch; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 1.6rem 0 1.4rem;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.32rem 0.7rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.chip::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--purple-light);
}
.hero-trust {
  font-size: 0.9rem;
  color: var(--text-3);
  border-left: 2px solid var(--orange);
  padding-left: 0.8rem;
  margin: 0;
}

/* Painel visual do hero (status cards) */
.hero-panel {
  position: relative;
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 24px 60px -30px rgba(0,0,0,0.8);
}
.panel-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.9rem;
  margin-bottom: 0.9rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-3);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.r { background: #ef4444; } .dot.y { background: var(--orange); } .dot.g { background: var(--green); }
.panel-title { margin-left: auto; }
.status-list { display: grid; gap: 0.55rem; }
.status-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 0.85rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text);
}
.status-item .tick {
  flex-shrink: 0;
  width: 20px; height: 20px;
  color: var(--green);
}
.status-item .val {
  margin-left: auto;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--green);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* Faixa de pilares ------------------------------------------------------ */
.stmt {
  background: var(--bg-2);
  border-block: 1px solid var(--border);
}
.stmt-quote {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--text);
  max-width: 24ch;
}
.stmt-quote .accent { color: var(--purple-light); }

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.9rem;
  margin-top: 2rem;
}
.pillar {
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.pillar strong { display: block; color: var(--text); font-size: 1rem; margin-bottom: 0.2rem; }
.pillar span { font-size: 0.86rem; color: var(--text-3); }

/* Grades de cards ------------------------------------------------------- */
.grid {
  display: grid;
  gap: 1.1rem;
}
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

.card {
  display: flex;
  flex-direction: column;
  padding: 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: var(--surface-2);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  margin-bottom: 1rem;
  border-radius: 12px;
  color: var(--purple-light);
  background: rgba(124, 58, 237, 0.14);
  border: 1px solid rgba(124, 58, 237, 0.28);
}
.card:hover .card-icon { color: var(--orange-light); }
.card-icon img, .card-icon svg { width: 24px; height: 24px; }

.card h3 { margin-bottom: 0.4rem; }
.card p { font-size: 0.95rem; margin-bottom: 1rem; }

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.1rem;
}
.tag {
  font-size: 0.76rem;
  color: var(--text-3);
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.card-link {
  margin-top: auto;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--purple-light);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.card-link::after { content: "→"; transition: transform 0.15s ease; }
.card:hover .card-link { color: var(--orange-light); }
.card:hover .card-link::after { transform: translateX(3px); }

/* Modalidades ----------------------------------------------------------- */
.modes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.mode {
  padding: 0.6rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--text-2);
  font-weight: 500;
}
.mode:hover { border-color: var(--purple-light); color: var(--text); }

/* Metodologia ----------------------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.1rem;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 1.4rem 1.3rem 1.3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 0.5rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.step h3 { font-size: 1.05rem; }
.step p { font-size: 0.92rem; margin-bottom: 0; }

.note {
  margin-top: 1.6rem;
  font-size: 0.95rem;
  color: var(--text-3);
  font-style: italic;
}

/* Diferenciais ---------------------------------------------------------- */
.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.7rem 1.6rem;
}
.feature-list li {
  position: relative;
  padding-left: 1.9rem;
  color: var(--text-2);
  font-size: 0.96rem;
  padding-block: 0.35rem;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.72em;
  width: 12px; height: 7px;
  border-left: 2px solid var(--purple-light);
  border-bottom: 2px solid var(--purple-light);
  transform: rotate(-45deg);
}

/* Sobre / Liderança ----------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
.leadership {
  padding: 1.5rem;
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.leadership h3 { font-size: 1.1rem; }
.leadership p { font-size: 0.94rem; }
.leadership .btn-row { display: flex; flex-direction: column; gap: 0.6rem; margin-top: 1.2rem; }

/* Certificações --------------------------------------------------------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}
.cert {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.cert-badge {
  flex-shrink: 0;
  width: 52px; height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(124, 58, 237, 0.14);
  border: 1px solid rgba(124, 58, 237, 0.28);
  color: var(--purple-light);
  overflow: hidden;
}
.cert-badge img { width: 52px; height: 52px; object-fit: contain; }
.cert-badge svg { width: 26px; height: 26px; }
.cert-body h3 { font-size: 0.98rem; margin-bottom: 0.15rem; line-height: 1.3; }
.cert-issuer { font-size: 0.82rem; color: var(--orange-light); font-weight: 600; }
.cert-cat { font-size: 0.82rem; color: var(--text-3); margin: 0; }

/* Details / demais credenciais */
.disclosure {
  margin-top: 1.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.disclosure summary {
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.disclosure summary::-webkit-details-marker { display: none; }
.disclosure summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--purple-light);
  font-weight: 700;
}
.disclosure[open] summary::before { content: "–"; }
.disclosure .disclosure-body { padding: 0 1.25rem 1.25rem; }

.cert-group { margin-top: 1.2rem; }
.cert-group h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  margin-bottom: 0.6rem;
}
.cred-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.cred-list li {
  font-size: 0.86rem;
  padding: 0.3rem 0.7rem;
  border-radius: 7px;
  border: 1px solid var(--border);
  color: var(--text-2);
}
.cred-list.tier-1 li { background: rgba(124,58,237,0.12); border-color: rgba(124,58,237,0.3); color: var(--text); font-weight: 500; }
.cred-list.tier-3 li { color: var(--text-3); font-size: 0.82rem; }

/* Contato / formulário -------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
.contact-aside .alert {
  margin-top: 1.2rem;
  padding: 1rem 1.1rem;
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.3);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-2);
}
.contact-aside .alert strong { color: var(--orange-light); }

/* Cartão de contato (WhatsApp direto) ---------------------------------- */
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(1.3rem, 3vw, 1.8rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.btn-lg { min-height: 54px; font-size: 1.05rem; padding: 0.85rem 1.5rem; }
.btn-wa svg { width: 22px; height: 22px; flex: 0 0 auto; }
.contact-line { margin: 0; font-size: 0.95rem; color: var(--text-2); }
.contact-line strong { color: var(--text); }
.contact-line a { color: var(--purple-light); }
.contact-sep { border: 0; border-top: 1px solid var(--border); margin: 0.3rem 0; }

/* Callout / CTA --------------------------------------------------------- */
.callout {
  text-align: center;
  padding: clamp(1.8rem, 5vw, 3rem);
  background: linear-gradient(150deg, rgba(124,58,237,0.16), rgba(29,34,56,0.6));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
}
.callout h2 { margin-bottom: 0.6rem; }
.callout p { margin-inline: auto; }
.callout .btn { margin-top: 1.2rem; }

/* Rodapé ---------------------------------------------------------------- */
.site-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding-block: clamp(2.5rem, 6vw, 3.5rem) 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2rem;
}
.footer-brand img { height: 30px; margin-bottom: 0.9rem; }
.footer-brand p { font-size: 0.9rem; color: var(--text-3); max-width: 34ch; }
.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  margin-bottom: 0.8rem;
}
.footer-col ul { display: grid; gap: 0.5rem; }
.footer-col a { color: var(--text-2); font-size: 0.92rem; }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-3);
}

/* Páginas de conteúdo (serviços / privacidade / 404) -------------------- */
.page-hero {
  padding-block: clamp(2.5rem, 7vw, 4rem);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}
.breadcrumb { font-size: 0.85rem; color: var(--text-3); margin-bottom: 0.8rem; }
.breadcrumb a { color: var(--text-2); }

.prose { max-width: 72ch; }
.prose h2 { margin-top: 2.2rem; }
.prose h3 { margin-top: 1.6rem; }
.prose ul { list-style: disc; padding-left: 1.4rem; margin-bottom: 1.2rem; }
.prose ul li { margin-bottom: 0.3rem; color: var(--text-2); }
.prose a { text-decoration: underline; }

.service-block {
  padding: 1.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  scroll-margin-top: calc(var(--header-h) + 16px);
}
.service-block h3 { display: flex; align-items: center; gap: 0.7rem; }
.service-block .card-icon { margin-bottom: 0; width: 40px; height: 40px; }
.service-block .card-icon svg, .service-block .card-icon img { width: 22px; height: 22px; }
.service-block ul {
  columns: 2;
  column-gap: 2rem;
  list-style: none;
  padding: 0;
  margin-top: 1rem;
}
.service-block ul li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0.35rem;
  font-size: 0.92rem;
  color: var(--text-2);
  break-inside: avoid;
}
.service-block ul li::before {
  content: "";
  position: absolute; left: 0; top: 0.62em;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--purple-light);
}

.error-page {
  min-height: 68vh;
  display: flex;
  align-items: center;
  text-align: center;
}
.error-code {
  font-size: clamp(4rem, 16vw, 8rem);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(120deg, var(--purple-light), var(--orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.5rem;
}

/* Responsivo ------------------------------------------------------------ */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-panel { order: -1; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    padding: 0.8rem clamp(1rem, 4vw, 2rem) 1.2rem;
    display: none;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0.1rem; }
  .main-nav a { padding: 0.75rem 0.6rem; font-size: 1rem; }
  .main-nav .nav-cta { margin: 0.6rem 0 0; }
  .main-nav .nav-cta .btn { width: 100%; }
  .service-block ul { columns: 1; }
}

@media (max-width: 420px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
}

/* Sem JavaScript -------------------------------------------------------- */
.no-js .nav-toggle { display: none; }
@media (max-width: 760px) {
  .no-js .main-nav { position: static; display: block; background: transparent; border: 0; padding: 0.5rem 0 0; }
  .no-js .main-nav ul { flex-direction: row; flex-wrap: wrap; }
}

/* Utilitários (evitam estilos inline / CSP unsafe-inline) --------------- */
.u-mt-sm { margin-top: 0.5rem; }
.u-mt { margin-top: 1rem; }
.u-mt-lg { margin-top: 1.6rem; }
.u-mt-xl { margin-top: 2rem; }
.u-mt-2xl { margin-top: 2.5rem; }
.u-mt-cta { margin-top: 1.4rem; }
.u-fs-sm { font-size: 0.92rem; }
.u-muted-sm { font-size: 0.9rem; color: var(--text-3); }
.u-mw-wide { max-width: 70ch; }
.u-basis-full { flex-basis: 100%; }
.h-sm { font-size: 1.5rem; }
.btn-row-center { display: flex; flex-wrap: wrap; gap: 0.7rem; justify-content: center; }
.footer-bottom.flush { margin-top: 0; border-top: 0; }

/* Print ----------------------------------------------------------------- */
@media print {
  .site-header, .site-footer, .hero-panel, .nav-toggle { display: none; }
  body { background: #fff; color: #000; }
}