/* =============================================================
   NUTRIPLAN TRANSITION — COMPONENTES
   Header, Footer, Cards, Badges, FAQ, Formulário, Tabs
   ============================================================= */

/* ——————————————————————————————————————————
   BANNER DE TRANSIÇÃO
   —————————————————————————————————————————— */
.transition-banner {
  position: sticky;
  top: 0;
  z-index: var(--z-toast);
  background-color: var(--color-verde);
  padding: 0.625rem 0;
  transition: transform var(--transition-base);
}

.transition-banner.is-hidden {
  transform: translateY(-100%);
  pointer-events: none;
}

.transition-banner .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.transition-banner__text {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-terra);
  text-align: center;
  line-height: var(--leading-snug);
}

.transition-banner__icon {
  display: inline-block;
  margin-right: var(--space-2);
  opacity: 0.7;
}

.transition-banner__close {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: rgba(61, 36, 21, 0.12);
  color: var(--color-terra);
  transition: background-color var(--transition-fast);
  cursor: pointer;
  border: none;
}

.transition-banner__close:hover {
  background: rgba(61, 36, 21, 0.24);
}

/* ——————————————————————————————————————————
   HEADER
   —————————————————————————————————————————— */
.site-header {
  position: sticky;
  top: 0; /* Ajustado via JS quando banner está visível */
  z-index: var(--z-header);
  background-color: var(--color-off-white);
  border-bottom: 1px solid var(--color-bege);
  transition: top var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base);
}

/* Scrolled — eleva com sombra */
.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(245, 237, 224, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 72px;
}

/* Logo */
.site-header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  transition: opacity var(--transition-fast);
}

.site-header__logo:hover {
  opacity: 0.85;
}

.site-header__logo svg,
.site-header__logo img {
  height: 36px;
  width: auto;
}

/* Nav */
.site-header__nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-menu li a,
.nav-menu__link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: 1.05rem;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.01em;
  color: var(--color-terra);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.nav-menu li a:hover,
.nav-menu__link:hover {
  background-color: var(--color-bege);
  color: var(--color-terra);
}

.nav-menu li.current-menu-item > a {
  background-color: var(--color-verde-pale);
  color: var(--color-verde-dark);
  font-weight: var(--weight-semibold);
}

/* CTA header */
.site-header__cta {
  flex-shrink: 0;
}

/* Hambúrguer — mobile */
.site-header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background: transparent;
  border: 1.5px solid var(--color-bege);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.site-header__hamburger:hover {
  background-color: var(--color-bege);
}

.hamburger__bar {
  display: block;
  width: 20px;
  height: 1.5px;
  background-color: var(--color-terra);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-fast);
  transform-origin: center;
}

.site-header__hamburger[aria-expanded="true"] .hamburger__bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.site-header__hamburger[aria-expanded="true"] .hamburger__bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.site-header__hamburger[aria-expanded="true"] .hamburger__bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-header) - 1);
  background-color: rgba(61, 36, 21, 0.4);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.nav-overlay.is-open {
  display: block;
  opacity: 1;
}

/* Responsivo — mobile nav */
@media (max-width: 1024px) {
  .site-header__hamburger {
    display: flex;
  }

  .site-header__nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-header);
    width: min(360px, 90vw);
    background-color: var(--color-off-white);
    padding: var(--space-20) var(--space-6) var(--space-8);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    overflow-y: auto;
  }

  .site-header__nav.is-open {
    transform: translateX(0);
  }

  .nav-menu {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    width: 100%;
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-menu li a,
  .nav-menu__link {
    width: 100%;
    padding: var(--space-4) var(--space-4);
    font-size: var(--text-base);
    border-radius: var(--radius-md);
    border-bottom: 1px solid var(--color-bege);
  }

  .site-header__cta {
    display: none; /* Oculto no header mobile — aparece no menu */
  }
}

/* ——————————————————————————————————————————
   FOOTER
   —————————————————————————————————————————— */
.footer-cta {
  padding-block: var(--space-16);
}

.footer-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-10);
}

.footer-cta__headline {
  font-size: var(--text-3xl);
  font-weight: var(--weight-medium);
  margin-bottom: var(--space-4);
}

.footer-cta__actions {
  display: flex;
  gap: var(--space-4);
  flex-shrink: 0;
}

.footer-body {
  border-top: 1px solid rgba(245, 237, 224, 0.12);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-5);
  transition: opacity var(--transition-fast);
}

.footer-logo:hover { opacity: 0.8; }

.footer-logo svg,
.footer-logo img {
  height: 32px;
  width: auto;
  /* Força branco */
  filter: brightness(0) invert(1);
}

.footer-col__desc {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: rgba(245, 237, 224, 0.65);
  margin-bottom: var(--space-6);
  max-width: 280px;
}

.footer-col__title {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: rgba(245, 237, 224, 0.50);
  margin-bottom: var(--space-5);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(245, 237, 224, 0.25);
  color: rgba(245, 237, 224, 0.70);
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast),
              color var(--transition-fast);
}

.footer-social__link:hover {
  background-color: var(--color-verde);
  border-color: var(--color-verde);
  color: var(--color-terra);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav__link {
  font-size: var(--text-sm);
  color: rgba(245, 237, 224, 0.75);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  text-decoration: none;
}

.footer-nav__link:hover {
  color: var(--color-verde);
  padding-left: var(--space-2);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-contact__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.footer-contact__icon {
  flex-shrink: 0;
  color: var(--color-verde);
  margin-top: 2px;
}

.footer-contact__link,
.footer-contact__address {
  font-size: var(--text-sm);
  color: rgba(245, 237, 224, 0.75);
  line-height: var(--leading-normal);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-contact__link:hover {
  color: var(--color-verde);
}

.footer-divider {
  width: 100%;
  height: 1px;
  background-color: rgba(245, 237, 224, 0.12);
  margin-bottom: var(--space-6);
}

.footer-legal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-legal__copy {
  font-size: var(--text-xs);
  color: rgba(245, 237, 224, 0.45);
}

.footer-legal__links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer-legal__link {
  font-size: var(--text-xs);
  color: rgba(245, 237, 224, 0.45);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-legal__link:hover {
  color: var(--color-verde);
}

/* Responsivo */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .footer-cta__inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .footer-legal {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  .footer-legal__links {
    flex-wrap: wrap;
    gap: var(--space-3);
  }
  .footer-cta__actions {
    flex-direction: column;
    width: 100%;
  }
  .footer-cta__actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ——————————————————————————————————————————
   CARD DE ECOSSISTEMA
   —————————————————————————————————————————— */
.ecosystem-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--color-bege);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.ecosystem-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 70%, var(--ecosystem-accent, var(--color-verde-pale)) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.ecosystem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--ecosystem-accent, var(--color-verde));
}

.ecosystem-card:hover::before {
  opacity: 1;
}

.ecosystem-card__logo {
  margin-bottom: var(--space-6);
}

.ecosystem-card__logo svg,
.ecosystem-card__logo img {
  height: 40px;
  width: auto;
}

.ecosystem-card__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ecosystem-accent, var(--color-verde-dark));
  margin-bottom: var(--space-3);
}

.ecosystem-card__title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  color: var(--color-terra);
  margin-bottom: var(--space-4);
  line-height: var(--leading-snug);
}

.ecosystem-card__desc {
  font-size: var(--text-sm);
  color: var(--color-terra-muted);
  line-height: var(--leading-relaxed);
  flex: 1;
  margin-bottom: var(--space-6);
}

.ecosystem-card__cta {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-terra);
  text-decoration: none;
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.ecosystem-card__cta:hover {
  gap: var(--space-3);
  color: var(--ecosystem-accent, var(--color-verde-dark));
}

.ecosystem-card__cta-arrow {
  transition: transform var(--transition-fast);
}

.ecosystem-card__cta:hover .ecosystem-card__cta-arrow {
  transform: translateX(4px);
}

/* ——————————————————————————————————————————
   FAQ ACCORDION
   —————————————————————————————————————————— */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.faq-item {
  border: 1.5px solid var(--color-bege);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item.is-open {
  border-color: var(--color-verde);
  box-shadow: 0 0 0 3px var(--color-verde-pale);
}

.faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: var(--color-white);
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-terra);
  line-height: var(--leading-snug);
  transition: background-color var(--transition-fast);
}

.faq-item__trigger:hover {
  background-color: var(--color-bege-light);
}

.faq-item.is-open .faq-item__trigger {
  background-color: var(--color-bege-light);
}

.faq-item__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background-color: var(--color-bege);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-terra);
  transition: background-color var(--transition-fast), transform var(--transition-base);
}

.faq-item.is-open .faq-item__icon {
  background-color: var(--color-verde);
  transform: rotate(45deg);
}

.faq-item__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-slow);
}

.faq-item.is-open .faq-item__body {
  grid-template-rows: 1fr;
}

.faq-item__body-inner {
  overflow: hidden;
}

.faq-item__content {
  padding: 0 var(--space-6) var(--space-5);
  background: var(--color-white);
}

.faq-item__content p {
  font-size: var(--text-sm);
  color: var(--color-terra-muted);
  line-height: var(--leading-relaxed);
}

/* ——————————————————————————————————————————
   FORMULÁRIO DE CONTATO
   —————————————————————————————————————————— */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-terra);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.875rem var(--space-4);
  background-color: var(--color-white);
  border: 1.5px solid var(--color-bege);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  color: var(--color-terra);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--color-terra-muted);
  opacity: 0.6;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--color-verde-dark);
  box-shadow: 0 0 0 3px var(--color-verde-pale);
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-field--full {
  grid-column: 1 / -1;
}

.contact-form .btn {
  align-self: flex-start;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ——————————————————————————————————————————
   TABS (categorias de produto)
   —————————————————————————————————————————— */
.tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.tab-btn {
  padding: 0.625rem var(--space-5);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-terra-muted);
  background-color: var(--color-bege);
  border: 1.5px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  background-color: var(--color-bege);
  color: var(--color-terra);
  border-color: var(--color-bege);
}

.tab-btn.is-active {
  background-color: var(--color-verde);
  color: var(--color-terra);
  font-weight: var(--weight-semibold);
  border-color: var(--color-verde);
}

/* ——————————————————————————————————————————
   CANAL DE CONTATO CARD
   —————————————————————————————————————————— */
.contact-channel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-6) var(--space-8);
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--color-bege);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.contact-channel:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.contact-channel__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background-color: var(--color-verde-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-terra);
  margin-bottom: var(--space-4);
}

.contact-channel__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-terra-muted);
  margin-bottom: var(--space-2);
}

.contact-channel__value {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-terra);
  margin-bottom: var(--space-4);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-channel__value:hover {
  color: var(--color-verde-dark);
}

.contact-channel__note {
  font-size: var(--text-xs);
  color: var(--color-terra-muted);
  margin-top: auto;
}