/* ==========================================================================
   MUBANJE MADEIRAS, LDA — Folha de estilos da versão estática
   Bootstrap 5 + jQuery
   Réplica integral do design system da versão React
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens do design system
   -------------------------------------------------------------------------- */
:root {
  --mb-background: #ffffff;
  --mb-surface: #f8f7f5;
  --mb-ink: #1f1c1a;
  --mb-foreground: #262220;
  --mb-muted: #f4f2f0;
  --mb-muted-foreground: #74706c;
  --mb-primary: #6b1016;
  --mb-primary-dark: #530b10;
  --mb-primary-foreground: #fdfcfb;
  --mb-accent: #b4713a;
  --mb-border: #e6e3df;

  --mb-radius-sm: 0.5rem;
  --mb-radius: 0.875rem;
  --mb-radius-lg: 1.25rem;
  --mb-radius-xl: 1.75rem;

  --mb-shadow-soft: 0 1px 2px rgba(31, 28, 26, 0.05), 0 12px 32px -18px rgba(31, 28, 26, 0.28);
  --mb-shadow-lift: 0 24px 60px -28px rgba(31, 28, 26, 0.38);

  --mb-transition: 400ms cubic-bezier(0.22, 1, 0.36, 1);

  --mb-font-display: "Archivo", system-ui, -apple-system, sans-serif;
  --mb-font-sans: "Manrope", system-ui, -apple-system, sans-serif;

  --mb-gradient-hero: linear-gradient(
    100deg,
    rgba(31, 28, 26, 0.9) 0%,
    rgba(31, 28, 26, 0.58) 45%,
    rgba(31, 28, 26, 0.14) 100%
  );
  --mb-gradient-primary: linear-gradient(120deg, var(--mb-primary), var(--mb-accent));
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--mb-background);
  color: var(--mb-foreground);
  font-family: var(--mb-font-sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
.mb-display {
  font-family: var(--mb-font-display);
  letter-spacing: -0.02em;
  color: var(--mb-ink);
  font-weight: 800;
}

a {
  text-decoration: none;
  color: inherit;
}

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

.mb-section {
  padding: 6rem 0;
}

@media (min-width: 992px) {
  .mb-section {
    padding: 8rem 0;
  }
}

.mb-section--surface {
  background-color: var(--mb-surface);
}

.mb-eyebrow {
  font-family: var(--mb-font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mb-primary);
  margin: 0;
}

.mb-eyebrow--light {
  color: var(--mb-accent);
}

.mb-title {
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  line-height: 1.12;
  margin: 1rem 0 0;
}

.mb-title--rule::before {
  content: "";
  display: block;
  width: 3.5rem;
  height: 3px;
  background: var(--mb-gradient-primary);
  margin-bottom: 1.25rem;
}

.mb-lead {
  color: var(--mb-muted-foreground);
  font-size: 1rem;
  line-height: 1.75;
}

.mb-text-muted {
  color: var(--mb-muted-foreground);
}

/* --------------------------------------------------------------------------
   3. Botões
   -------------------------------------------------------------------------- */
.mb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.9rem 1.75rem;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--mb-transition), background-color var(--mb-transition),
    color var(--mb-transition), box-shadow var(--mb-transition);
}

.mb-btn:hover {
  transform: translateY(-2px);
}

.mb-btn--primary {
  background-color: var(--mb-primary);
  color: var(--mb-primary-foreground);
  box-shadow: var(--mb-shadow-soft);
}

.mb-btn--primary:hover {
  background-color: var(--mb-primary-dark);
  color: var(--mb-primary-foreground);
}

.mb-btn--ghost {
  border-color: rgba(253, 252, 251, 0.35);
  color: var(--mb-primary-foreground);
}

.mb-btn--ghost:hover {
  background-color: rgba(253, 252, 251, 0.12);
}

.mb-btn--sm {
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   4. Cabeçalho
   -------------------------------------------------------------------------- */
.mb-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1050;
  background-color: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(6px);
  transition: background-color var(--mb-transition), box-shadow var(--mb-transition),
    border-color var(--mb-transition);
  border-bottom: 1px solid transparent;
}

.mb-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--mb-border);
  box-shadow: 0 1px 24px -16px rgba(0, 0, 0, 0.5);
}

.mb-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
}

.mb-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.mb-logo svg {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
}

.mb-logo__name {
  display: block;
  font-family: var(--mb-font-display);
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1;
  color: var(--mb-ink);
}

.mb-logo__sub {
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--mb-muted-foreground);
  margin-top: 0.35rem;
}

.mb-logo--light .mb-logo__name {
  color: var(--mb-primary-foreground);
}

.mb-logo--light .mb-logo__sub {
  color: rgba(253, 252, 251, 0.7);
}

.mb-nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

@media (min-width: 1200px) {
  .mb-nav {
    display: flex;
  }
}

.mb-nav__link {
  position: relative;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--mb-muted-foreground);
  transition: color var(--mb-transition);
}

.mb-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.4rem;
  height: 2px;
  width: 0;
  background-color: var(--mb-primary);
  transition: width 300ms ease;
}

.mb-nav__link:hover,
.mb-nav__link.is-active {
  color: var(--mb-primary);
}

.mb-nav__link:hover::after,
.mb-nav__link.is-active::after {
  width: 100%;
}

.mb-header__cta {
  display: none;
}

@media (min-width: 768px) {
  .mb-header__cta {
    display: inline-flex;
  }
}

.mb-burger {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  border: 1px solid var(--mb-border);
  background: transparent;
  color: var(--mb-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--mb-transition);
}

.mb-burger:hover {
  background-color: var(--mb-muted);
}

@media (min-width: 1200px) {
  .mb-burger {
    display: none;
  }
}

.mb-mobile-nav {
  display: none;
  border-top: 1px solid var(--mb-border);
  background-color: #fff;
}

.mb-mobile-nav a {
  display: block;
  padding: 0.75rem 0.85rem;
  border-radius: var(--mb-radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--mb-muted-foreground);
  transition: background-color 200ms ease, color 200ms ease;
}

.mb-mobile-nav a:hover {
  background-color: var(--mb-muted);
  color: var(--mb-primary);
}

/* --------------------------------------------------------------------------
   5. Banner principal (carrossel)
   -------------------------------------------------------------------------- */
.mb-hero {
  position: relative;
  height: 92vh;
  min-height: 560px;
  overflow: hidden;
  background-color: var(--mb-ink);
}

.mb-hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1200ms ease;
}

.mb-hero__slide.is-active {
  opacity: 1;
}

.mb-hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mb-hero__slide.is-active img {
  animation: mbKenburns 9s ease-out forwards;
}

@keyframes mbKenburns {
  from {
    transform: scale(1.02);
  }
  to {
    transform: scale(1.14);
  }
}

.mb-hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--mb-gradient-hero);
}

.mb-hero__content {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  align-items: center;
}

.mb-hero__panel {
  max-width: 42rem;
  padding-top: 5rem;
  display: none;
}

.mb-hero__panel.is-active {
  display: block;
  animation: mbFadeUp 700ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes mbFadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.mb-hero__badge {
  display: inline-block;
  border-radius: 999px;
  border: 1px solid rgba(253, 252, 251, 0.25);
  background-color: rgba(253, 252, 251, 0.1);
  padding: 0.4rem 1rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mb-primary-foreground);
  backdrop-filter: blur(4px);
}

.mb-hero__title {
  color: var(--mb-primary-foreground);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  line-height: 1.05;
  margin: 1.5rem 0 0;
}

.mb-hero__text {
  color: rgba(253, 252, 251, 0.85);
  font-size: 1.05rem;
  max-width: 34rem;
  margin: 1.25rem 0 0;
}

.mb-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.mb-hero__controls {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2rem;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mb-dots {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mb-dot {
  height: 6px;
  width: 1.5rem;
  border: 0;
  padding: 0;
  border-radius: 999px;
  background-color: rgba(253, 252, 251, 0.4);
  transition: all 500ms ease;
}

.mb-dot.is-active {
  width: 3rem;
  background-color: var(--mb-accent);
}

.mb-arrow {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  border: 1px solid rgba(253, 252, 251, 0.3);
  background: transparent;
  color: var(--mb-primary-foreground);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--mb-transition);
}

.mb-arrow:hover {
  background-color: rgba(253, 252, 251, 0.15);
}

/* --------------------------------------------------------------------------
   6. Indicadores
   -------------------------------------------------------------------------- */
.mb-stats {
  position: relative;
  z-index: 20;
  margin-top: -3.5rem;
}

.mb-stats__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background-color: var(--mb-border);
  border-radius: var(--mb-radius-lg);
  overflow: hidden;
  box-shadow: var(--mb-shadow-lift);
}

@media (min-width: 992px) {
  .mb-stats__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.mb-stat {
  background-color: #fff;
  padding: 2rem 1.5rem;
  text-align: center;
}

.mb-stat__value {
  font-family: var(--mb-font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--mb-primary);
  margin: 0;
}

.mb-stat__label {
  margin: 0.5rem 0 0;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mb-muted-foreground);
}

/* --------------------------------------------------------------------------
   7. Cartões e blocos
   -------------------------------------------------------------------------- */
.mb-card {
  background-color: #fff;
  border: 1px solid var(--mb-border);
  border-radius: var(--mb-radius-xl);
  box-shadow: var(--mb-shadow-soft);
  transition: transform var(--mb-transition), box-shadow var(--mb-transition);
  height: 100%;
  overflow: hidden;
}

.mb-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--mb-shadow-lift);
}

.mb-card__body {
  padding: 2rem;
}

.mb-icon-badge {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--mb-radius);
  background-color: var(--mb-muted);
  color: var(--mb-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mb-icon-badge--lg {
  width: 3rem;
  height: 3rem;
  background-color: rgba(107, 16, 22, 0.08);
}

.mb-feature {
  display: flex;
  gap: 0.85rem;
}

.mb-feature__title {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--mb-ink);
}

.mb-feature__text {
  display: block;
  font-size: 0.9rem;
  color: var(--mb-muted-foreground);
}

.mb-figure-wrap {
  position: relative;
}

.mb-figure {
  border-radius: var(--mb-radius-xl);
  object-fit: cover;
  width: 100%;
  box-shadow: var(--mb-shadow-lift);
}

.mb-figure--portrait {
  aspect-ratio: 4 / 5;
}

.mb-figure--square {
  aspect-ratio: 1 / 1;
}

.mb-badge-year {
  position: absolute;
  right: -1rem;
  bottom: -2rem;
  width: 14rem;
  padding: 1.5rem;
  border-radius: var(--mb-radius-lg);
  background-color: var(--mb-primary);
  color: var(--mb-primary-foreground);
  box-shadow: var(--mb-shadow-lift);
  display: none;
}

@media (min-width: 576px) {
  .mb-badge-year {
    display: block;
  }
}

.mb-badge-year__value {
  font-family: var(--mb-font-display);
  font-size: 2.25rem;
  font-weight: 800;
  margin: 0;
}

.mb-badge-year__label {
  margin: 0.25rem 0 0;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.8;
}

/* --------------------------------------------------------------------------
   8. Foco principal (secção com imagem de fundo)
   -------------------------------------------------------------------------- */
.mb-focus {
  position: relative;
  overflow: hidden;
}

.mb-focus__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mb-focus__veil {
  position: absolute;
  inset: 0;
  background-color: rgba(31, 28, 26, 0.82);
}

.mb-focus__inner {
  position: relative;
  z-index: 2;
  padding: 6rem 0;
}

.mb-focus__title {
  color: var(--mb-primary-foreground);
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  line-height: 1.15;
  margin: 1rem 0 0;
}

.mb-focus__lead {
  color: rgba(253, 252, 251, 0.8);
  margin-top: 1.25rem;
}

.mb-focus-card {
  border-radius: var(--mb-radius-lg);
  border: 1px solid rgba(253, 252, 251, 0.15);
  background-color: rgba(253, 252, 251, 0.08);
  backdrop-filter: blur(4px);
  padding: 1.6rem;
  height: 100%;
  transition: transform var(--mb-transition), background-color var(--mb-transition);
}

.mb-focus-card:hover {
  transform: translateY(-6px);
  background-color: rgba(253, 252, 251, 0.14);
}

.mb-focus-card h3 {
  color: var(--mb-primary-foreground);
  font-size: 1.1rem;
  margin: 1.25rem 0 0;
}

.mb-focus-card p {
  color: rgba(253, 252, 251, 0.75);
  font-size: 0.9rem;
  margin: 0.5rem 0 0;
}

.mb-focus-card svg {
  color: var(--mb-accent);
}

/* --------------------------------------------------------------------------
   9. Trabalhos
   -------------------------------------------------------------------------- */
.mb-work {
  overflow: hidden;
}

.mb-work__media {
  overflow: hidden;
  background-color: var(--mb-surface);
}

.mb-work__media img {
  aspect-ratio: 1 / 1;
  width: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.mb-work:hover .mb-work__media img {
  transform: scale(1.05);
}

.mb-work__caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  border-top: 1px solid var(--mb-border);
  padding: 1rem 1.25rem;
}

.mb-work__title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--mb-ink);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mb-chip {
  flex-shrink: 0;
  border-radius: 999px;
  background-color: var(--mb-muted);
  padding: 0.25rem 0.75rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mb-muted-foreground);
}

.mb-step__number {
  font-family: var(--mb-font-display);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--mb-accent);
}

.mb-cert__entity {
  margin: 0.25rem 0 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mb-accent);
}

/* --------------------------------------------------------------------------
   10. Formulário de contacto
   -------------------------------------------------------------------------- */
.mb-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--mb-ink);
  margin-bottom: 0.5rem;
}

.mb-input,
.mb-textarea {
  width: 100%;
  border-radius: var(--mb-radius);
  border: 1px solid var(--mb-border);
  background-color: #fff;
  padding: 0.8rem 1rem;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--mb-foreground);
  transition: border-color var(--mb-transition);
}

.mb-input:focus,
.mb-textarea:focus {
  outline: none;
  border-color: var(--mb-primary);
}

.mb-textarea {
  resize: none;
}

.mb-form-feedback {
  display: none;
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--mb-primary);
}

.mb-contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.mb-contact-item__label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mb-muted-foreground);
}

.mb-contact-item__value {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--mb-ink);
}

/* --------------------------------------------------------------------------
   11. Rodapé
   -------------------------------------------------------------------------- */
.mb-footer {
  background-color: var(--mb-ink);
  padding: 4rem 0 2rem;
}

.mb-footer__grid {
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(253, 252, 251, 0.12);
}

.mb-footer h3 {
  color: var(--mb-primary-foreground);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.mb-footer p,
.mb-footer li {
  color: rgba(253, 252, 251, 0.65);
  font-size: 0.9rem;
}

.mb-footer a:hover {
  color: var(--mb-accent);
}

.mb-footer__list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
}

.mb-footer__list li {
  margin-bottom: 0.5rem;
}

.mb-copyright {
  margin: 2rem 0 0;
  text-align: center;
  font-size: 0.75rem;
  color: rgba(253, 252, 251, 0.45);
}

/* --------------------------------------------------------------------------
   12. Animações de entrada e botão "voltar ao topo"
   -------------------------------------------------------------------------- */
.mb-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.mb-reveal.is-visible {
  opacity: 1;
  transform: none;
}

.mb-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 1040;
  width: 3rem;
  height: 3rem;
  border: 0;
  border-radius: 999px;
  background-color: var(--mb-primary);
  color: var(--mb-primary-foreground);
  box-shadow: var(--mb-shadow-lift);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--mb-transition);
}

.mb-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .mb-reveal,
  .mb-hero__slide,
  .mb-hero__slide.is-active img {
    transition: none;
    animation: none;
    opacity: 1;
    transform: none;
  }
}