:root {
  /* Paleta de marca */
  --palette-deepblue: #1B264F;
  --palette-teal: #274690;
  --palette-jade: #576CA8;
  --palette-green: #302B27;
  --palette-cream: #F5F3F5;

  /* Tokens semânticos — deepblue/teal têm contraste seguro para texto e botões;
     jade fica reservado a detalhes/estados; green só é usado diluído via color-mix() */
  --color-primary: var(--palette-deepblue);
  --color-primary-dark: var(--palette-deepblue);
  --color-accent: var(--palette-green);
  --color-accent-2: var(--palette-jade);
  --color-highlight: var(--palette-cream);

  --gradient-cta: linear-gradient(135deg, var(--palette-deepblue), var(--palette-teal));

  --color-bg: color-mix(in srgb, var(--palette-cream) 10%, white);
  --color-surface: #FFFFFF;
  --color-text: var(--palette-deepblue);
  --color-text-muted: color-mix(in srgb, var(--palette-deepblue) 86%, white);
  --color-border: color-mix(in srgb, var(--palette-teal) 22%, white);
  --color-window-border: color-mix(in srgb, var(--palette-deepblue) 16%, white);
  --color-on-dark: #FFFFFF;
  --color-on-dark-muted: color-mix(in srgb, var(--palette-cream) 65%, white);

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1100px;
  --radius: 12px;

  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;

  /* Curvas — ease-out/ease-in-out fortes para entradas e movimento deliberado;
     mudanças de cor/hover usam o "ease" nativo; ease-pop é o único ponto do site
     com "overshoot", reservado ao momento de explicação/delight dos 3 passos */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-pop: cubic-bezier(0.34, 1.56, 0.64, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-optical-sizing: auto;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 { margin: 0 0 16px; font-weight: 700; }
h1 { font-size: clamp(1.9rem, 5vw, 2.75rem); line-height: 1.05; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); line-height: 1.15; letter-spacing: -0.015em; }
h3 { font-size: 1.1rem; line-height: 1.25; letter-spacing: -0.005em; margin-bottom: 6px; }
p { margin: 0 0 12px; color: var(--color-text-muted); letter-spacing: 0; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Header — material translúcido flutuante sobre o conteúdo */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--color-surface) 40%, transparent);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid transparent;
  box-shadow: 0 0 0 0 transparent;
  transition: box-shadow 250ms var(--ease-out), border-color 250ms var(--ease-out);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 8px 24px -14px color-mix(in srgb, var(--palette-deepblue) 45%, transparent);
}
@media (prefers-reduced-transparency: reduce) {
  .site-header { background: var(--color-surface); backdrop-filter: none; -webkit-backdrop-filter: none; }
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 8px;
  padding-bottom: 8px;
}
.logo {
  display: flex;
  align-items: center;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  color: #000;
  text-decoration: none;
}
.logo-mark {
  position: relative;
  display: block;
  width: 145px;
  height: 36px;
  --logo-progress: 0;
}
/* --logo-progress (0=texto, 1=ícone) é escrita frame-a-frame em JS por uma
   spring física (ver setupLogoMorph em main.js) — sem transition aqui, a
   interpolação já vem do próprio valor a mudar continuamente. O desfoque
   acompanha a opacidade ("materializar" em vez de só desvanecer, ver skill
   apple-design) para dar sensação de profundidade/foco em vez de um corte simples. */
.logo-icon {
  position: absolute;
  left: 0;
  top: 0;
  border-radius: 7px;
  transform-origin: left center;
  opacity: var(--logo-progress);
  transform: scale(calc(0.92 + var(--logo-progress) * 0.08));
  filter: blur(calc((1 - var(--logo-progress)) * 3px));
  will-change: opacity, transform, filter;
}
.logo-text {
  position: absolute;
  left: 0;
  top: 50%;
  height: 25px;
  width: auto;
  border-radius: 0;
  transform-origin: left center;
  opacity: calc(1 - var(--logo-progress));
  transform: translateY(-50%) scale(calc(1 - var(--logo-progress) * 0.08));
  filter: blur(calc(var(--logo-progress) * 3px));
  will-change: opacity, transform, filter;
}
@media (prefers-reduced-motion: reduce) {
  .logo-icon, .logo-text { transition: opacity 0.2s ease; filter: none; }
  .logo-icon { transform: none; }
  .logo-text { transform: translateY(-50%); }
}

/* Buttons — feedback imediato ao pressionar, não só ao soltar */
.btn {
  display: inline-block;
  border: none;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  text-align: center;
  transition: transform 160ms var(--ease-out), box-shadow 150ms ease, filter 150ms ease;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 6px 18px -10px color-mix(in srgb, var(--palette-deepblue) 70%, transparent);
}
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { filter: brightness(1.06); }
}
.btn-primary:active {
  transform: scale(0.97);
  box-shadow: 0 2px 8px -4px color-mix(in srgb, var(--palette-deepblue) 60%, transparent);
}
.btn-primary:disabled { opacity: 0.6; cursor: default; transform: none; }
.btn-small { padding: 6px 14px; font-size: 0.8rem; }
.btn-large { padding: 16px 28px; font-size: 1.05rem; }
.btn-full { width: 100%; }

/* Hero */
.hero { background: color-mix(in srgb, var(--palette-cream) 22%, var(--color-bg)); padding: 56px 0 48px; }
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}
.hero-subtitle {
  font-size: 1.1rem;
  max-width: 42ch;
}
.trust-line {
  font-size: 0.85rem;
  margin-bottom: 30px;
  color: var(--color-text-muted);
}
.hero-visual { width: 100%; }

/* Sombra em duas camadas a imitar uma janela do macOS: um contacto apertado que
   define a base, mais um halo difuso por baixo que dá sensação de flutuar.
   filter:drop-shadow (não box-shadow) porque acompanha o contorno arredondado
   do próprio SVG, incluindo o traço da janela. */
.hero-visual svg,
.solucao-visual svg {
  filter:
    drop-shadow(0 1px 1px color-mix(in srgb, var(--palette-deepblue) 12%, transparent))
    drop-shadow(0 18px 32px color-mix(in srgb, var(--palette-deepblue) 20%, transparent));
}

/* Entrada do hero ao carregar a página — não ligada ao scroll, é o único momento
   "raro/primeira vez" da página, daí a sequência mais rica (ver find-animation-opportunities) */
.hero-copy > * {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
}
.hero-copy.is-loaded > * { opacity: 1; transform: translateY(0); }
.hero-copy > *:nth-child(1) { transition-delay: 0ms; }
.hero-copy > *:nth-child(2) { transition-delay: 70ms; }
.hero-copy > *:nth-child(3) { transition-delay: 140ms; }
.hero-copy > *:nth-child(4) { transition-delay: 210ms; }

/* mockup svg text styling */
.mockup-label { font: 600 12px var(--font-body); fill: var(--color-text-muted); }
.mockup-value { font: 700 22px var(--font-body); fill: var(--color-primary-dark); }

/* Mockup do painel — cada cartão entra, depois os seus próprios gráficos
   desenham-se (linha e anel por stroke-dashoffset, barras por scaleY).
   Dispara ao carregar no hero (.is-loaded) e ao entrar em viewport na secção
   Solução (.is-visible). O mockup é partilhado via <use>, e um seletor
   descendente normal ("hero-visual.is-loaded .mockup-card") não alcança o
   conteúdo clonado do <use> — só valores de propriedades CSS herdadas o
   fazem. Por isso o estado viaja por uma única custom property herdada,
   --mockup-in (0 ou 1), e cada peça deriva o seu próprio alvo dela.
   Registada via @property como <number>: sem isto, uma custom property
   não registada não é interpolável — qualquer calc()/var() que dependa
   dela salta de um valor para o outro em vez de animar suavemente. */
@property --mockup-in {
  syntax: "<number>";
  inherits: true;
  initial-value: 0;
}

.hero-visual.is-loaded,
.solucao-visual.is-visible { --mockup-in: 1; }

.mockup-card {
  opacity: var(--mockup-in, 0);
  transition: opacity 400ms var(--ease-out);
}
.mockup-card:nth-of-type(2) { transition-delay: 80ms; }
.mockup-card:nth-of-type(3) { transition-delay: 180ms; }

.mockup-bar {
  transform-box: fill-box;
  transform-origin: bottom;
  transform: scaleY(var(--mockup-in, 0));
  opacity: var(--mockup-in, 0);
  transition: transform 250ms var(--ease-out), opacity 250ms ease;
}
.mockup-bar-1 { transition-delay: 500ms; }
.mockup-bar-2 { transition-delay: 540ms; }
.mockup-bar-3 { transition-delay: 580ms; }
.mockup-bar-4 { transition-delay: 620ms; }

.mockup-ring {
  stroke-dasharray: 113;
  stroke-dashoffset: calc(113 - var(--mockup-in, 0) * 84.75);
  transition: stroke-dashoffset 550ms var(--ease-out);
  transition-delay: 580ms;
}

.mockup-ring-full {
  stroke-dasharray: 0;
  stroke-dashoffset: calc(70 - var(--mockup-in, 0) * 70);
}

.mockup-line {
  stroke-dasharray: 230;
  stroke-dashoffset: calc(230 - var(--mockup-in, 0) * 230);
  transition: stroke-dashoffset 650ms var(--ease-out);
  transition-delay: 650ms;
}

.mockup-dot { opacity: var(--mockup-in, 0); transition: opacity 200ms ease; transition-delay: 1280ms; }

.mockup-progress-fill {
  transform-box: fill-box;
  transform-origin: left;
  transform: scaleX(var(--mockup-in, 0));
  transition: transform 450ms var(--ease-out);
  transition-delay: 700ms;
}

@media (prefers-reduced-motion: reduce) {
  .hero-copy > * { transform: none; transition: opacity 0.25s ease; transition-delay: 0s; }
  .mockup-card { transform: none; transition: opacity 0.25s ease; transition-delay: 0s; }
  .mockup-bar, .mockup-progress-fill, .mockup-chrome, .mockup-dot {
    transform: none;
    transition: opacity 0.25s ease;
    transition-delay: 0s;
  }
  .mockup-ring, .mockup-line { stroke-dashoffset: 0; transition: none; }
}

/* Sections */
.section { padding: 56px 0; }
.section-alt { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.section-lead { font-size: 1.05rem; max-width: 60ch; }

/* Reveal ao entrar em viewport — três tratamentos diferentes por papel do conteúdo,
   só em superfícies de marketing, cada elemento dispara uma vez (nunca em UI
   funcional visitada todos os dias). .reveal é apenas o marcador que o JS observa;
   .reveal-heading/-text/-card decidem o movimento. */
.reveal-heading {
  opacity: 0;
  transition: opacity 400ms var(--ease-out);
  transition-delay: calc(var(--reveal-index, 0) * 70ms);
}
.reveal-heading.is-visible { opacity: 1; }

.reveal-text {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 450ms var(--ease-out), transform 450ms var(--ease-out);
  transition-delay: calc(var(--reveal-index, 0) * 70ms);
}
.reveal-text.is-visible { opacity: 1; transform: translateY(0); }

.reveal-card {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 450ms var(--ease-out), transform 450ms var(--ease-out);
  transition-delay: calc(var(--reveal-index, 0) * 70ms);
}
.reveal-card.is-visible { opacity: 1; transform: scale(1); }

@media (prefers-reduced-motion: reduce) {
  .reveal-heading, .reveal-text, .reveal-card {
    transform: none; opacity: 0;
    transition: opacity 0.25s ease; transition-delay: 0s;
  }
  .reveal-heading.is-visible, .reveal-text.is-visible, .reveal-card.is-visible { opacity: 1; }
}

/* Problema */
.problem-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}
.problem-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.problem-list p { margin: 0; color: var(--color-text); font-weight: 500; }
.icon {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--color-accent) 18%, white);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon svg { width: 20px; height: 20px; }

/* Solucao */
.solucao-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

/* Como funciona */
.steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}
.step { text-align: left; }
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-cta);
  color: #fff;
  font-weight: 700;
  margin-bottom: 10px;
  opacity: 0;
  transform: scale(0.5);
  transition: transform 450ms var(--ease-pop), opacity 250ms ease;
  transition-delay: calc(var(--reveal-index, 0) * 70ms + 90ms);
}
.step.is-visible .step-number { opacity: 1; transform: scale(1); }
@media (prefers-reduced-motion: reduce) {
  .step-number { transform: none; transition: opacity 0.25s ease; transition-delay: 0s; }
}

/* Modulos */
.modulos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 24px;
}
.modulo-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}
.modulo-card p { margin: 0; }
.modulos-roadmap {
  margin-top: 20px;
  font-size: 0.9rem;
  font-style: italic;
}

/* Formulario */
.form-section { background: var(--color-primary-dark); }
.form-card {
  background: var(--color-surface);
  border-radius: 16px;
  padding: 32px 24px;
  max-width: 560px;
  margin: 0 auto;
}
.form-card h2, .form-card .section-lead { text-align: left; }
.form-row { margin-bottom: 6px; }
.form-row label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--color-text);
}
.form-row input[type="text"],
.form-row input[type="email"],
.form-row select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color 150ms ease;
}
.form-row input:focus, .form-row select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}
.form-row input.is-invalid, .form-row select.is-invalid { border-color: #C0392B; }
.form-row input.is-valid, .form-row select.is-valid { border-color: var(--color-accent-2); }
.field-error {
  display: block;
  min-height: 1.1em;
  font-size: 0.78rem;
  color: #C0392B;
  margin: 4px 0 10px;
}
.form-row-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 10px;
}
.form-row-checkbox input { margin-top: 4px; }
.form-row-checkbox label { font-weight: 400; font-size: 0.85rem; margin: 0; }
.form-trust {
  font-size: 0.8rem;
  text-align: center;
  margin-top: 14px;
  margin-bottom: 0;
}
.form-status {
  text-align: center;
  font-weight: 600;
  margin: 12px 0 0;
  min-height: 1.2em;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 250ms var(--ease-out), transform 250ms var(--ease-out);
}
.form-status.is-visible { opacity: 1; transform: translateY(0); }
.form-status.success { color: var(--color-primary); }
.form-status.error { color: #C0392B; }

/* FAQ — acordeão com altura medida em JS e animada por transição CSS (interrompível:
   uma transição retoma do valor atual, ao contrário de keyframes) */
.faq-list { margin-top: 24px; display: grid; gap: 12px; }
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-question { margin: 0; }
.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  font: inherit;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  padding: 16px 18px;
  transition: background-color 150ms ease;
}
.faq-trigger:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; border-radius: var(--radius); }
.faq-trigger:active { background-color: color-mix(in srgb, var(--color-primary) 6%, transparent); }
.faq-icon {
  flex: none;
  position: relative;
  width: 18px;
  height: 18px;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--color-primary);
  transform: translate(-50%, -50%);
  border-radius: 2px;
}
.faq-icon::before { width: 12px; height: 2px; }
.faq-icon::after { width: 2px; height: 12px; transition: transform 250ms var(--ease-in-out); }
.faq-trigger[aria-expanded="true"] .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg) scale(0.001); }
.faq-panel { height: 0; overflow: hidden; transition: height 200ms var(--ease-out); }
.faq-panel-inner { padding: 0 18px 16px; opacity: 0; transition: opacity 200ms var(--ease-out); }
.faq-item:has(.faq-trigger[aria-expanded="true"]) .faq-panel-inner { opacity: 1; }
.faq-panel p { margin: 0; }
@media (prefers-reduced-motion: reduce) {
  .faq-icon::after { transition: none; }
  .faq-panel { transition: none; }
  .faq-panel-inner { transition: none; }
}

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-on-dark-muted);
  padding: 44px 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.footer-brand { font-weight: 800; font-size: 1.1rem; letter-spacing: -0.01em; color: var(--color-on-dark); margin-bottom: 8px; }
.footer-inner p { color: var(--color-on-dark-muted); font-size: 0.9rem; }
.footer-inner a { color: var(--color-on-dark); }
.footer-form-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.footer-form-row input {
  flex: 1 1 200px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  font-size: 0.95rem;
  font-family: inherit;
}
.footer-form .form-row-checkbox { margin-top: 10px; }
.footer-form .form-row-checkbox label { color: var(--color-on-dark-muted); }
.footer-form .form-status { text-align: left; }

/* Tablet+ */
@media (min-width: 700px) {
  .hero-inner { grid-template-columns: 1.1fr 1fr; }
  .solucao-inner { grid-template-columns: 1fr 1.1fr; }
  .problem-list { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .modulos-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 960px) {
  .hero { padding: 88px 0 72px; }
  .section { padding: 80px 0; }
}

/* Contraste elevado: fundos quase sólidos com contorno definido */
@media (prefers-contrast: more) {
  .site-header { background: var(--color-surface); backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom-color: var(--color-text); }
  .problem-list li, .faq-item, .modulo-card { border-color: var(--color-text); }
  .btn-primary { background: var(--color-primary); }
}