/* =============================================
   Matra - styles.css
   menos ruído. mais resultado.
   ============================================= */

/* ---------- 1. Reset mínimo ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 4.5rem; }
body { min-height: 100vh; line-height: 1.6; }
img, svg, video { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }

/* ---------- 2. Tokens ---------- */
:root {
  /* Cores oficiais Matra */
  --color-black:   #0D0D0D;
  --color-off:     #F2EDE4;
  --color-gray:    #888888;
  --color-gray-lt: #D9D6D0;
  --color-gray-dk: #1A1A1A;

  /* Semânticas */
  --color-bg:       var(--color-off);
  --color-surface:  #FFFFFF;
  --color-text:     var(--color-black);
  --color-muted:    var(--color-gray);
  --color-accent:   var(--color-black);
  --color-invert:   var(--color-off);
  --color-invert-bg: var(--color-black);

  /* Tipografia */
  --font-sans: 'Söhne Breit', 'Helvetica Neue', Helvetica, Arial, system-ui, sans-serif;
  --font-serif: 'Libre Baskerville', 'Times New Roman', Georgia, serif;

  /* Escala tipográfica (fluida) */
  --fs-xs:  0.8125rem;   /* 13px */
  --fs-sm:  0.9375rem;   /* 15px */
  --fs-base: 1.0625rem;  /* 17px */
  --fs-md:  1.1875rem;   /* 19px */
  --fs-lg:  clamp(1.25rem, 1.9vw, 1.5rem);
  --fs-xl:  clamp(1.75rem, 3.2vw, 2.5rem);
  --fs-2xl: clamp(2.25rem, 5vw, 3.75rem);
  --fs-3xl: clamp(2.75rem, 7vw, 5.25rem);

  /* Espaçamentos */
  --space-section: clamp(4.5rem, 10vw, 8rem);
  --space-lg: clamp(2rem, 4vw, 3.5rem);
  --space-md: clamp(1.25rem, 2.5vw, 2rem);
  --space-sm: 1rem;

  /* Container */
  --container: 1200px;
  --container-narrow: 780px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  /* Outros */
  --radius: 2px;
  --border: 1px solid var(--color-gray-lt);
  --border-dark: 1px solid rgba(242, 237, 228, 0.15);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 3. Fonte local Söhne Breit (se tiver WOFF2) ---------- */
@font-face {
  font-family: 'Söhne Breit';
  src: url('/assets/fonts/soehne-breit-buch.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Söhne Breit';
  src: url('/assets/fonts/soehne-breit-kraftig.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ---------- 4. Base ---------- */
body {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

em {
  font-style: italic;
  color: var(--color-muted);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }

/* ---------- 5. Utilidades ---------- */
.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: 400;
  margin-bottom: var(--space-md);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}
.eyebrow--light { color: rgba(242, 237, 228, 0.6); }

/* ---------- 6. Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.9rem 1.6rem;
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  text-align: center;
}
.btn--primary {
  background: var(--color-black);
  color: var(--color-off);
  border-color: var(--color-black);
}
.btn--primary:hover { background: #000; transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  color: var(--color-black);
  border-color: var(--color-black);
}
.btn--ghost:hover { background: var(--color-black); color: var(--color-off); }

.btn--link {
  background: transparent;
  color: var(--color-text);
  border: none;
  padding: 0.9rem 0;
  font-family: var(--font-serif);
  font-style: italic;
  letter-spacing: 0;
  text-transform: none;
  font-size: var(--fs-base);
}
.btn--link:hover { color: var(--color-muted); }

.btn--sm { padding: 0.6rem 1rem; font-size: var(--fs-xs); }
.btn--lg { padding: 1.15rem 2.2rem; font-size: var(--fs-base); }

/* ---------- 7. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(242, 237, 228, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}
.logo img {
  height: 1.75rem;
  width: auto;
  display: block;
}
@media (min-width: 768px) {
  .logo img { height: 2rem; }
}

/* ---------- 8. Hero ---------- */
.hero {
  padding-block: clamp(4rem, 9vw, 7rem) var(--space-section);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(13,13,13,0.04), transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(13,13,13,0.03), transparent 60%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  max-width: 950px;
}
.hero__title {
  font-size: var(--fs-3xl);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}
.hero__title em {
  color: var(--color-muted);
  font-style: italic;
}
.hero__sub {
  font-size: var(--fs-md);
  color: var(--color-gray-dk);
  max-width: 620px;
  margin-bottom: var(--space-lg);
  line-height: 1.65;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
  margin-bottom: var(--space-md);
}
.hero__trust {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--color-muted);
  text-transform: lowercase;
}

/* ---------- 9. Section base ---------- */
.section {
  padding-block: var(--space-section);
  position: relative;
}
.section--dark {
  background: var(--color-invert-bg);
  color: var(--color-invert);
}
.section--dark em { color: rgba(242, 237, 228, 0.55); }
.section--alt {
  background: var(--color-surface);
  border-top: var(--border);
  border-bottom: var(--border);
}
.section__title {
  font-size: var(--fs-2xl);
  line-height: 1.1;
  letter-spacing: -0.025em;
  max-width: 20ch;
  margin-bottom: var(--space-lg);
}
.section__title em { font-style: italic; }
.section__lead {
  font-size: var(--fs-md);
  color: var(--color-muted);
  max-width: 60ch;
  margin-bottom: var(--space-lg);
}
.section__lead--inverse {
  color: rgba(242, 237, 228, 0.75);
}
.section--dark .section__lead { color: rgba(242, 237, 228, 0.7); }
.section__closer {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--fs-lg);
  color: rgba(242, 237, 228, 0.85);
  max-width: 45ch;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: var(--border-dark);
}
.section__cta {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: var(--border);
}

/* ---------- 10. Dor (reconhecimento) ---------- */
.pains {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(242, 237, 228, 0.12);
  border: var(--border-dark);
}
.pain {
  background: var(--color-invert-bg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.pain__tri {
  flex: 0 0 auto;
  width: 0.9rem;
  height: 0.9rem;
  background: var(--color-off);
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
  margin-top: 0.45rem;
  opacity: 0.85;
}
.pain p {
  font-family: var(--font-serif);
  font-size: var(--fs-md);
  line-height: 1.5;
  color: rgba(242, 237, 228, 0.92);
  font-style: italic;
}
@media (min-width: 768px) {
  .pains { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .pains { grid-template-columns: 1fr 1fr 1fr; }
}

/* ---------- 11. Método / Steps ---------- */
.steps {
  display: grid;
  gap: 0;
  counter-reset: step;
}
.step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding-block: var(--space-lg);
  border-top: var(--border);
}
.step:last-child { border-bottom: var(--border); }

.step__num {
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  letter-spacing: 0.12em;
  color: var(--color-muted);
  font-weight: 400;
}
.step__content h3 {
  font-size: var(--fs-xl);
  margin-bottom: 0.5rem;
  line-height: 1.15;
}
.step__lead {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--fs-md);
  color: var(--color-gray-dk);
  margin-bottom: 1rem;
  line-height: 1.5;
}
.step__content > p:not(.step__lead) {
  color: var(--color-gray-dk);
  max-width: 62ch;
  line-height: 1.7;
}
@media (min-width: 768px) {
  .step {
    grid-template-columns: 8rem 1fr;
    gap: 2rem;
  }
  .step__num { padding-top: 0.3rem; }
}

/* ---------- 11.1 Impacto financeiro ---------- */
.impact {
  margin-top: var(--space-lg);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  background: var(--color-black);
  color: var(--color-off);
  border-radius: var(--radius);
  position: relative;
  scroll-margin-top: 5rem;
}
.impact__eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(242, 237, 228, 0.55);
  margin-bottom: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.impact__eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}
.impact__text {
  font-family: var(--font-serif);
  font-size: var(--fs-md);
  line-height: 1.65;
  color: rgba(242, 237, 228, 0.92);
  max-width: 62ch;
}
.impact__text strong {
  font-weight: 400;
  color: var(--color-off);
  border-bottom: 1px solid rgba(242, 237, 228, 0.35);
}

/* ---------- 12. Serviços ---------- */
.services {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: var(--border);
}
.service {
  padding: clamp(1.75rem, 3vw, 2.5rem) 0;
  border-bottom: var(--border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.service__tri {
  width: 0.9rem;
  height: 0.9rem;
  background: var(--color-black);
  clip-path: polygon(0 100%, 100% 100%, 100% 0);
}
.service h3 {
  font-size: var(--fs-xl);
  line-height: 1.15;
}
.service p {
  color: var(--color-gray-dk);
  max-width: 42ch;
  line-height: 1.65;
}
@media (min-width: 768px) {
  .services {
    grid-template-columns: 1fr 1fr;
    border-left: var(--border);
  }
  .service {
    padding: var(--space-lg);
    border-right: var(--border);
    border-bottom: var(--border);
  }
}

/* ---------- 13. Comparativo ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr;
  border: var(--border-dark);
}
.compare__head {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 1rem 1.25rem;
  font-weight: 400;
}
.compare__head--left {
  color: rgba(242, 237, 228, 0.55);
  border-bottom: var(--border-dark);
}
.compare__head--right {
  color: var(--color-off);
  background: rgba(242, 237, 228, 0.04);
  border-bottom: var(--border-dark);
}
.compare__row {
  display: grid;
  grid-template-columns: 1fr;
  border-bottom: var(--border-dark);
}
.compare__row:last-child { border-bottom: none; }
.compare__cell {
  padding: 1.25rem 1.25rem;
  font-family: var(--font-serif);
  line-height: 1.5;
  font-size: var(--fs-base);
}
.compare__cell--left {
  color: rgba(242, 237, 228, 0.45);
  text-decoration: line-through;
  text-decoration-color: rgba(242, 237, 228, 0.25);
  font-style: italic;
}
.compare__cell--right {
  color: var(--color-off);
  background: rgba(242, 237, 228, 0.04);
  border-top: var(--border-dark);
}
@media (min-width: 768px) {
  .compare {
    grid-template-columns: 1fr 1fr;
  }
  .compare__head--left, .compare__head--right {
    grid-column: auto;
  }
  .compare__row {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
  }
  .compare__cell--right {
    border-top: none;
    border-left: var(--border-dark);
  }
}

/* ---------- 14. FAQ ---------- */
.faq {
  border-top: var(--border);
}
.faq__item {
  border-bottom: var(--border);
}
.faq__item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 0;
  font-family: var(--font-serif);
  font-size: var(--fs-md);
  font-weight: 400;
  line-height: 1.4;
  cursor: pointer;
  list-style: none;
  transition: color var(--transition);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--color-muted); }

.faq__icon {
  flex: 0 0 auto;
  width: 1.25rem;
  height: 1.25rem;
  position: relative;
  transition: transform var(--transition);
}
.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  top: 50%;
  left: 50%;
}
.faq__icon::before {
  width: 1rem;
  height: 1px;
  transform: translate(-50%, -50%);
}
.faq__icon::after {
  width: 1px;
  height: 1rem;
  transform: translate(-50%, -50%);
  transition: transform var(--transition);
}
.faq__item[open] .faq__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.faq__body {
  padding: 0 0 1.75rem 0;
  max-width: 65ch;
}
.faq__body p {
  color: var(--color-gray-dk);
  line-height: 1.7;
}

/* ---------- 15. CTA final ---------- */
.cta-final {
  background: var(--color-invert-bg);
  color: var(--color-invert);
  text-align: center;
}
.cta-final__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cta-final__inner .eyebrow { justify-content: center; }
.cta-final__title {
  font-size: var(--fs-3xl);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}
.cta-final__title em { color: rgba(242, 237, 228, 0.55); font-style: italic; }
.cta-final__sub {
  font-size: var(--fs-md);
  color: rgba(242, 237, 228, 0.75);
  max-width: 55ch;
  margin-bottom: var(--space-lg);
  line-height: 1.65;
}
.cta-final .btn--primary {
  background: var(--color-off);
  color: var(--color-black);
  border-color: var(--color-off);
}
.cta-final .btn--primary:hover { background: #fff; }
.cta-final__meta {
  margin-top: var(--space-md);
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: rgba(242, 237, 228, 0.5);
  text-transform: lowercase;
}

/* ---------- 16. Footer ---------- */
.site-footer {
  background: var(--color-invert-bg);
  color: var(--color-invert);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
  border-top: var(--border-dark);
}
.site-footer__inner {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
  align-items: start;
}
.site-footer__brand { display: flex; flex-direction: column; gap: 0.5rem; }
.site-footer__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  color: rgba(242, 237, 228, 0.6);
  font-size: var(--fs-sm);
}
.site-footer__nav,
.site-footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: lowercase;
}
.site-footer__nav a,
.site-footer__social a {
  color: rgba(242, 237, 228, 0.7);
  transition: color var(--transition);
}
.site-footer__nav a:hover,
.site-footer__social a:hover { color: var(--color-off); }

.site-footer__copy {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: rgba(242, 237, 228, 0.4);
  text-transform: lowercase;
  grid-column: 1 / -1;
  padding-top: 1.5rem;
  margin-top: 0.5rem;
  border-top: var(--border-dark);
}

@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--space-lg);
    align-items: start;
  }
  .site-footer__copy {
    grid-column: 1 / -1;
    margin-top: var(--space-md);
  }
}

/* ---------- 17. WhatsApp float ---------- */
.wa-float {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: 3rem;
  height: 3rem;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18), 0 2px 6px rgba(0, 0, 0, 0.1);
  z-index: 60;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  opacity: 0;
  transform: translateY(1rem) scale(0.9);
  pointer-events: none;
}
@media (min-width: 768px) {
  .wa-float {
    right: 1.75rem;
    bottom: 1.75rem;
    width: 3.5rem;
    height: 3.5rem;
  }
}
.wa-float.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.wa-float:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}
.wa-float svg {
  width: 1.5rem;
  height: 1.5rem;
  fill: currentColor;
}
@media (min-width: 768px) {
  .wa-float svg { width: 1.75rem; height: 1.75rem; }
}

/* ---------- 18. Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 19. Acessibilidade / Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 20. Seleção ---------- */
::selection {
  background: var(--color-black);
  color: var(--color-off);
}
.section--dark ::selection,
.cta-final ::selection {
  background: var(--color-off);
  color: var(--color-black);
}