/* =========================================================
   RATIO — components.css
   Estilos de todos os componentes da interface:
   header, nav, hero, cards, diferenciais, contato, footer.
   Depende de: base.css, theme.css, layout.css
   ========================================================= */

/* =========================================================
   1. HEADER
   ========================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-sticky);
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-light);
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base);
}

.site-header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 1px 16px rgba(26, 34, 48, 0.06);
}

.site-header .container {
  height: 100%;
  padding-left: var(--space-9);
  padding-right: var(--space-9);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-6);
}

/* --- Logo --- */
.header__logo-mark {
  height: 24px !important;
  width: auto !important;
  max-height: 24px !important;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.header__logo-name {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: var(--weight-semi);
  letter-spacing: 0.12em;
  color: var(--color-text-primary);
  text-transform: uppercase;
}

/* --- Navegação principal --- */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-7);
}

.main-nav__link {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 2px;
}

.main-nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-brand-bronze);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition-base);
}

.main-nav__link:hover,
.main-nav__link.active {
  color: var(--color-text-primary);
}

.main-nav__link:hover::after,
.main-nav__link.active::after {
  transform: scaleX(1);
}

/* --- Utilitários de acessibilidade no header --- */
.header__utils {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.util-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 5px 9px;
  cursor: pointer;
  transition: color var(--transition-fast),
              border-color var(--transition-fast),
              background var(--transition-fast);
  min-width: 32px;
  height: 28px;
}

.util-btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-secondary);
}

.util-btn.active {
  background: var(--color-brand-navy);
  color: #FFFFFF;
  border-color: var(--color-brand-navy);
}

/* CTA do header */
.header__cta {
  margin-left: var(--space-2);
}

/* --- Menu mobile --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-text-primary);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.hamburger.open .hamburger__line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.hamburger.open .hamburger__line:nth-child(2) {
  opacity: 0;
}
.hamburger.open .hamburger__line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Drawer mobile */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-5) var(--space-6);
  z-index: calc(var(--z-sticky) - 1);
  box-shadow: 0 8px 24px rgba(26, 34, 48, 0.1);
}

.mobile-nav.open {
  display: block;
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
}

.mobile-nav__link {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-md);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
  text-decoration: none;
}

.mobile-nav__link:last-child {
  border-bottom: none;
}

/* =========================================================
   2. HERO
   ========================================================= */
.hero {
  padding-top: calc(var(--header-height) + var(--space-4));
  padding-bottom: var(--space-9);
  background-color: var(--color-bg-primary);
  position: relative;
  overflow: hidden;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 2rem;
  height: 1px;
  background: var(--color-brand-bronze);
}

.hero__title {
  font-size: clamp(var(--text-3xl), 4.5vw, var(--text-5xl));
  font-weight: var(--weight-light);
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--color-text-primary);
}

.hero__title em {
  font-style: italic;
  color: var(--color-brand-bronze);
}

.hero__subtitle {
  font-size: var(--text-md);
  line-height: 1.75;
  color: var(--color-text-secondary);
  max-width: 52ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  margin-top: var(--space-2);
}

/* Visual geométrico do hero */
.hero__visual-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1 / 1;
  margin-left: auto;
}

.hero__svg {
  width: 100%;
  height: 100%;
}

/* =========================================================
   3. SOBRE
   ========================================================= */
.about__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-11);
  align-items: start;
}

.about__body p + p {
  margin-top: var(--space-5);
}

.about__stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
}

.stat-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.stat-item__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-bronze);
}

.stat-item__value {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: var(--weight-semi);
  color: var(--color-text-primary);
}

.stat-item__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: none;
}

/* =========================================================
   4. FUNDAMENTOS
   ========================================================= */
.fundamentos__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-top: var(--space-9);
}

.fundamento-item {
  padding: var(--space-7) var(--space-7);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-top: 2px solid var(--color-brand-bronze);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-base);
}

.fundamento-item:hover {
  box-shadow: var(--shadow-card);
}

.fundamento-item__number {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: var(--weight-light);
  color: var(--color-brand-gold);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: var(--space-4);
}

.fundamento-item__title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: var(--weight-semi);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.fundamento-item__text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: none;
  line-height: 1.7;
}

/* =========================================================
   5. PRODUTO — Norma
   ========================================================= */
.product-feature {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

.product-feature__content {
  padding: var(--space-11) var(--space-11);
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  gap: var(--space-5);
}

.product-feature__visual {
  background: var(--color-bg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-9);
  position: relative;
  overflow: hidden;
  min-height: 420px;
  border-left: 1px solid var(--color-border);
}

.product-feature__name {
  font-family: var(--font-serif);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: var(--weight-light);
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.product-feature__tagline {
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-bronze);
}

.product-feature__desc {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 44ch;
}

.product-feature__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.product-feature__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.product-feature__list-item::before {
  content: '';
  display: block;
  width: 12px;
  height: 1px;
  background: var(--color-brand-bronze);
  flex-shrink: 0;
  margin-top: 0.6em;
}

.product-feature__actions {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  margin-top: var(--space-3);
  flex-wrap: wrap;
}

/* Visual do produto (lado direito escuro) */
.product-visual-inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-visual-title {
  font-family: var(--font-serif);
  font-size: 7rem;
  font-weight: var(--weight-light);
  letter-spacing: 0.08em;
  color: rgba(26, 34, 48, 0.05);
  position: absolute;
  user-select: none;
  white-space: nowrap;
}

/* Logo do produto no painel escuro */
.product-visual-logo {
  position: relative;
  z-index: 1;
  max-width: 260px;
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* =========================================================
   6. LINHA INSTITUCIONAL (guias gratuitos)
   ========================================================= */

.guias-intro {
  max-width: 640px;
  margin-bottom: var(--space-11);
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.guias-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.guia-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.guia-card:hover {
  box-shadow: var(--shadow-card);
  border-color: var(--color-border);
}

.guia-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.guia-card__badge {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: var(--weight-semi);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-bronze);
  border: 1px solid var(--color-brand-bronze);
  border-radius: var(--radius-sm);
  padding: 2px var(--space-2);
}

.guia-card__pages {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.guia-card__title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: var(--weight-semi);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}

.guia-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.75;
  flex: 1;
  margin-bottom: var(--space-7);
}

.guia-card__action {
  margin-top: auto;
}

/* =========================================================
   7. DIFERENCIAIS
   ========================================================= */
.diferenciais-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.diferencial-card {
  padding: var(--space-7);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.diferencial-card:hover {
  box-shadow: var(--shadow-card);
  border-color: var(--color-border);
}

.diferencial-card__icon {
  width: 36px;
  height: 36px;
  margin-bottom: var(--space-5);
  color: var(--color-brand-bronze);
}

.diferencial-card__title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: var(--weight-semi);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.diferencial-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: none;
}

/* =========================================================
   7. CONTATO
   ========================================================= */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-11);
  align-items: start;
}

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

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

.form-group__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.form-group__input,
.form-group__textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  outline: none;
}

.form-group__input:focus,
.form-group__textarea:focus {
  border-color: var(--color-brand-bronze);
  box-shadow: 0 0 0 3px rgba(138, 106, 59, 0.12);
}

.form-group__input::placeholder,
.form-group__textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group__textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.65;
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  max-width: none;
}

/* Informações de contato */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  border-top: 2px solid var(--color-brand-bronze);
}

.contact-info__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
}

.contact-info__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.contact-info__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-brand-bronze);
}

.contact-info__value {
  font-size: var(--text-md);
  color: var(--color-text-primary);
  font-weight: var(--weight-medium);
  max-width: none;
}

.contact-info__value a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-info__value a:hover {
  color: var(--color-brand-bronze);
}

/* =========================================================
   8. FOOTER
   ========================================================= */
.site-footer {
  background: var(--color-bg-invert);
  color: var(--color-text-invert);
  padding-top: var(--space-11);
  padding-bottom: 0;
}

.footer__main {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-9);
  padding-bottom: var(--space-11);
  border-bottom: 1px solid rgba(243, 235, 221, 0.1);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* PNG com fundo transparente — altura fixa, largura proporcional */
.footer__logo-mark {
  height: 28px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

.footer__logo-name {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: var(--weight-semi);
  letter-spacing: 0.12em;
  color: var(--color-text-invert);
  text-transform: uppercase;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(243, 235, 221, 0.6);
  line-height: 1.7;
  max-width: 34ch;
}

.footer__col-title {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-brand-gold);
  margin-bottom: var(--space-5);
}

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

.footer__link {
  font-size: var(--text-sm);
  color: rgba(243, 235, 221, 0.6);
  text-decoration: none;
  transition: color var(--transition-fast);
  max-width: none;
}

.footer__link:hover {
  color: var(--color-text-invert);
}

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

.footer__contact-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer__contact-label {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(243, 235, 221, 0.4);
}

.footer__contact-value {
  font-size: var(--text-sm);
  color: rgba(243, 235, 221, 0.75);
  max-width: none;
}

.footer__contact-value a {
  color: rgba(243, 235, 221, 0.75);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__contact-value a:hover {
  color: var(--color-text-invert);
}

/* Barra inferior */
.footer__bottom {
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.footer__legal {
  font-size: var(--text-xs);
  color: rgba(243, 235, 221, 0.35);
  max-width: none;
  line-height: 1.6;
}

.footer__legal-links {
  display: flex;
  gap: var(--space-5);
}

.footer__legal-link {
  font-size: var(--text-xs);
  color: rgba(243, 235, 221, 0.4);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.footer__legal-link:hover {
  color: rgba(243, 235, 221, 0.75);
}

/* =========================================================
   9. PÁGINAS EDITORIAIS (privacy / terms)
   ========================================================= */
.page-editorial {
  padding-top: calc(var(--header-height) + var(--space-11));
  padding-bottom: var(--space-12);
}

.page-editorial__header {
  margin-bottom: var(--space-11);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.page-editorial__title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-light);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.page-editorial__meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: none;
}

.page-editorial__body {
  max-width: var(--reading-max);
}

.page-editorial__body h2 {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semi);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

.page-editorial__body h3 {
  font-size: var(--text-lg);
  font-weight: var(--weight-semi);
  margin-top: var(--space-7);
  margin-bottom: var(--space-3);
}

.page-editorial__body p {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-5);
  max-width: none;
}

.page-editorial__body ul {
  list-style: none;
  margin: var(--space-5) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-editorial__body ul li {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  padding-left: var(--space-5);
  position: relative;
  line-height: 1.7;
}

.page-editorial__body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 12px;
  height: 1px;
  background: var(--color-brand-bronze);
}

/* =========================================================
   10. BREADCRUMB / PAGE HEADER
   ========================================================= */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: var(--space-8);
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--color-text-primary);
}

.back-link .arrow {
  display: inline-block;
  transition: transform var(--transition-base);
}

.back-link:hover .arrow {
  transform: translateX(-3px);
}

/* =========================================================
   11. NOTIFICAÇÃO DE FORMULÁRIO
   ========================================================= */
.form-feedback {
  display: none;
  padding: var(--space-4) var(--space-5);
  background: rgba(138, 106, 59, 0.1);
  border: 1px solid rgba(138, 106, 59, 0.3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  max-width: none;
  line-height: 1.5;
}

.form-feedback.visible {
  display: block;
}