/* ============================================================
   components.css — header, rodape, botoes, chips, card, previa,
   TRL, lightbox, voltar-ao-topo
   ============================================================ */

/* ============================================================
   Logo
   ============================================================ */
.logo-link {
  display: inline-flex;
  align-items: center;
  color: var(--c-brand);
  /* area de respiro ~ altura do quadrado do "i" */
  padding: var(--s-1);
  margin: calc(var(--s-1) * -1);
  border-radius: var(--r-sm);
  transition: color var(--dur-2) var(--ease-out);
}

.logo-link:hover {
  color: var(--c-brand-800);
}

/* O logo e um unico SVG externo aplicado como mascara: assim herda a cor do
   texto (roxo no header, branco no rodape e na 404) sem duplicar 11 KB de
   paths em cada pagina e sem depender de fetch() -- que nao funciona em
   file://. A proporcao vem do viewBox original (1822.53 x 510). */
.logo-ufcinova {
  display: block;
  height: 36px;
  aspect-ratio: 1822.53 / 510;
  background-color: currentColor;
  -webkit-mask: url("../assets/img/logo-ufcinova.svg") no-repeat center / contain;
  mask: url("../assets/img/logo-ufcinova.svg") no-repeat center / contain;
}

.rodape .logo-link,
.erro .logo-link {
  color: var(--c-on-dark);
}

.rodape .logo-link:hover,
.erro .logo-link:hover {
  color: var(--c-brand-100);
}

.rodape .logo-ufcinova {
  height: 44px;
}

@media (max-width: 767px) {
  .logo-ufcinova {
    height: 28px;
  }
  .rodape .logo-ufcinova {
    height: 36px;
  }
}

/* ============================================================
   Header
   ============================================================ */
.cabecalho {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  background: rgb(255 255 255 / 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow var(--dur-2) var(--ease-out);
}

.cabecalho__inner {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  height: var(--header-h);
  transition: height var(--dur-2) var(--ease-out);
}

.cabecalho.is-compacto {
  box-shadow: var(--sh-1);
}

.cabecalho.is-compacto .cabecalho__inner {
  height: var(--header-h-compact);
}

.cabecalho.is-compacto .logo-ufcinova {
  height: 30px;
}

.cabecalho__marca {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  min-width: 0;
}

.cabecalho__sep {
  width: 1px;
  height: 28px;
  background: var(--c-border-strong);
  flex: none;
}

.cabecalho__titulo {
  font-family: var(--ff-text);
  font-size: var(--fs-strong);
  font-weight: 600;
  color: var(--c-text);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur-2) var(--ease-out);
}

.cabecalho__titulo:hover {
  color: var(--c-brand);
}

.cabecalho__nav {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  margin-left: auto;
}

.cabecalho__nav a:not(.botao) {
  font-size: var(--fs-strong);
  font-weight: 600;
  color: var(--c-text-muted);
  text-decoration: none;
  transition: color var(--dur-2) var(--ease-out);
}

.cabecalho__nav a:not(.botao):hover {
  color: var(--c-brand);
}

/* botao de busca, so no mobile */
.cabecalho__busca-mob {
  display: none;
  margin-left: auto;
  padding: var(--s-2);
  border-radius: var(--r-sm);
  color: var(--c-text-muted);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.cabecalho__busca-mob:hover {
  color: var(--c-brand);
  background: var(--c-brand-50);
}

@media (max-width: 767px) {
  .cabecalho__nav {
    display: none;
  }
  .cabecalho__busca-mob {
    display: inline-flex;
  }
  .cabecalho__sep,
  .cabecalho__titulo {
    display: none;
  }
}

/* ============================================================
   Botoes
   ============================================================ */
.botao {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 44px;
  padding: var(--s-3) var(--s-5);
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  font-size: var(--fs-strong);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur-1) var(--ease-out),
    border-color var(--dur-1) var(--ease-out),
    color var(--dur-1) var(--ease-out), transform var(--dur-1) var(--ease-out);
}

.botao:active {
  transform: translateY(1px);
}

.botao svg {
  flex: none;
  width: 18px;
  height: 18px;
}

/* a seta "abre em nova aba" anda na diagonal no hover */
.botao .seta-ext,
.link-ext .seta-ext {
  transition: transform var(--dur-2) var(--ease-out);
}

.botao:hover .seta-ext,
.link-ext:hover .seta-ext {
  transform: translate(2px, -2px);
}

.botao--primario {
  background: var(--c-brand);
  color: var(--c-on-brand);
}

.botao--primario:hover {
  background: var(--c-brand-800);
  color: var(--c-on-brand);
}

.botao--secundario {
  background: var(--c-surface);
  color: var(--c-brand);
  border-color: var(--c-border-strong);
}

.botao--secundario:hover {
  background: var(--c-brand-50);
  border-color: var(--c-brand-a24);
  color: var(--c-brand-800);
}

.botao--terciario {
  background: none;
  color: var(--c-brand);
  padding-inline: var(--s-2);
}

.botao--terciario:hover {
  background: var(--c-brand-50);
  color: var(--c-brand-800);
}

.botao--claro {
  background: #fff;
  color: var(--c-brand);
}

.botao--claro:hover {
  background: var(--c-brand-100);
  color: var(--c-brand-800);
}

.botao--bloco {
  width: 100%;
}

.link-ext {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-weight: 600;
  text-decoration: none;
}

.link-ext:hover {
  text-decoration: underline;
}

.link-ext svg {
  width: 16px;
  height: 16px;
  flex: none;
}

/* ============================================================
   Chips e badges
   ============================================================ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  min-height: 40px;
  padding: var(--s-2) var(--s-4);
  border-radius: 999px;
  border: 1px solid var(--c-border-strong);
  background: var(--c-surface);
  color: var(--c-text-muted);
  font-size: var(--fs-strong);
  font-weight: 600;
  white-space: nowrap;
  transition: background-color var(--dur-1) var(--ease-out),
    border-color var(--dur-1) var(--ease-out),
    color var(--dur-1) var(--ease-out), transform var(--dur-1) var(--ease-out);
}

.chip:hover {
  border-color: var(--c-brand-a24);
  color: var(--c-brand);
  background: var(--c-brand-50);
}

.chip:active {
  transform: scale(0.97);
}

.chip[aria-pressed="true"] {
  background: var(--c-brand);
  border-color: var(--c-brand);
  color: var(--c-on-brand);
}

/* Sem opacidade: 0.75 sobre --c-text-muted compunha #7d7d84 (4.08:1),
   abaixo do minimo AA para texto pequeno. Herdar a cor do chip da 7.0:1. */
.chip__total {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--s-2);
  border-radius: var(--r-sm);
  background: var(--c-brand-100);
  color: var(--c-brand-800);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.5;
  white-space: nowrap;
}

.badge--forte {
  background: var(--c-brand);
  color: var(--c-on-brand);
}

/* ============================================================
   Segmented control (tipo de protecao)
   ============================================================ */
.segmentado {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r-sm);
  background: var(--c-surface);
}

.segmentado__opcao {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: var(--s-2) var(--s-4);
  border-radius: 4px;
  font-size: var(--fs-strong);
  font-weight: 600;
  color: var(--c-text-muted);
  white-space: nowrap;
  transition: background-color var(--dur-1) var(--ease-out),
    color var(--dur-1) var(--ease-out);
}

.segmentado__opcao:hover {
  color: var(--c-brand);
  background: var(--c-brand-50);
}

.segmentado__opcao[aria-checked="true"] {
  background: var(--c-brand);
  color: var(--c-on-brand);
}

/* Rotulo por extenso no desktop; sigla no celular, onde "Modelo de
   Utilidade (MU)" estouraria a largura do container. */
.segmentado__curto {
  display: none;
}

@media (max-width: 639px) {
  .segmentado__longo {
    display: none;
  }
  .segmentado__curto {
    display: inline;
  }
}

/* ============================================================
   Campo de busca
   ============================================================ */
.busca {
  position: relative;
  display: flex;
  align-items: center;
}

.busca__icone {
  position: absolute;
  left: var(--s-4);
  width: 20px;
  height: 20px;
  color: var(--c-text-muted);
  pointer-events: none;
}

.busca__campo {
  width: 100%;
  min-height: 48px;
  padding: var(--s-3) var(--s-5) var(--s-3) calc(var(--s-4) * 2 + 20px);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r-sm);
  background: var(--c-surface);
  font-size: var(--fs-body);
  color: var(--c-text);
  transition: border-color var(--dur-2) var(--ease-out),
    box-shadow var(--dur-2) var(--ease-out);
}

.busca__campo::placeholder {
  color: var(--c-text-subtle);
}

.busca__campo:hover {
  border-color: var(--c-brand-a24);
}

.busca__campo:focus {
  outline: none;
  border-color: var(--c-brand);
  box-shadow: 0 0 0 3px var(--c-brand-a12);
}

.busca__campo:focus-visible {
  outline: none;
}

.busca__atalho {
  position: absolute;
  right: var(--s-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 1px solid var(--c-border-strong);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-text-subtle);
  pointer-events: none;
}

.busca__campo:focus + .busca__atalho,
.busca__campo:not(:placeholder-shown) + .busca__atalho {
  opacity: 0;
}

@media (max-width: 767px) {
  .busca__atalho {
    display: none;
  }
}

/* ============================================================
   Card de patente
   ============================================================ */
.card {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  overflow: hidden;
  transition: transform var(--dur-2) var(--ease-out),
    box-shadow var(--dur-2) var(--ease-out),
    border-color var(--dur-2) var(--ease-out);
}

.card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.card__link:hover {
  color: inherit;
}

.card__media {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--c-brand-50);
  border-bottom: 1px solid var(--c-border);
}

.card__media img {
  width: 100%;
  height: 100%;
  /* "contain" e nao "cover": 58 das 60 capas sao 1:1 (identico a cover),
     e as duas que nao sao (ids 10 e 12) teriam o nome do produto cortado. */
  object-fit: contain;
  transition: transform var(--dur-2) var(--ease-out);
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  padding: var(--s-4);
  flex: 1;
}

.card__eyebrow {
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-brand);
  display: flex;
  align-items: center;
  gap: var(--s-2);
  line-height: 1.2;
}

.card__eyebrow::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  background: currentColor;
}

.card__titulo {
  font-size: var(--fs-h3);
  line-height: 1.3;
  color: var(--c-text);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* resumo: so abaixo de 1024px, onde nao ha previa flutuante */
.card__resumo {
  display: none;
  font-size: var(--fs-caption);
  line-height: 1.5;
  color: var(--c-text-muted);
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 1023px) {
  .card__resumo {
    display: -webkit-box;
  }
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  margin-top: auto;
  padding-top: var(--s-3);
}

.card__numero {
  font-size: var(--fs-caption);
  font-weight: 500;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--c-text-muted);
}

.card__arrow {
  width: 18px;
  height: 18px;
  margin-left: auto;
  flex: none;
  color: var(--c-text-subtle);
  transition: transform var(--dur-2) var(--ease-out),
    color var(--dur-2) var(--ease-out);
}

/* hover e foco de teclado tem o mesmo tratamento */
.card:hover,
.card:has(.card__link:focus-visible) {
  transform: translateY(-4px);
  box-shadow: var(--sh-2);
  border-color: var(--c-brand-a12);
}

.card:hover .card__media img,
.card:has(.card__link:focus-visible) .card__media img {
  transform: scale(1.04);
}

.card:hover .card__arrow,
.card:has(.card__link:focus-visible) .card__arrow {
  transform: translate(3px, -3px);
  color: var(--c-brand);
}

@media (prefers-reduced-motion: reduce) {
  .card,
  .card__media img,
  .card__arrow {
    transition: none;
  }
  .card:hover,
  .card:has(.card__link:focus-visible) {
    transform: none;
  }
  .card:hover .card__media img,
  .card:has(.card__link:focus-visible) .card__media img {
    transform: none;
  }
}

/* shimmer enquanto a capa carrega; para assim que a imagem aparece */
.card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgb(255 255 255 / 0.55) 50%,
    transparent 100%
  );
  transform: translateX(-100%);
  animation: shimmer 1.2s linear infinite;
  pointer-events: none;
}

.card__media.is-carregada::after {
  display: none;
  animation: none;
}

@keyframes shimmer {
  to {
    transform: translateX(100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .card__media::after {
    animation: none;
    display: none;
  }
}

/* ============================================================
   Previa flutuante da ficha (hover) — instancia unica
   ============================================================ */
.previa {
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-preview);
  width: 340px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-3);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.96) translateX(var(--previa-dx, 8px));
  transition: opacity var(--dur-1) var(--ease-out),
    transform var(--dur-1) var(--ease-out), visibility 0s linear var(--dur-1);
  pointer-events: none;
}

.previa.is-visivel {
  opacity: 1;
  visibility: visible;
  transform: scale(1) translateX(0);
  transition: opacity var(--dur-2) var(--ease-out),
    transform var(--dur-2) var(--ease-out), visibility 0s;
}

.previa__img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
  background: var(--c-brand-50);
}

.previa__rodape {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border-top: 1px solid var(--c-border);
  background: var(--c-surface);
}

.previa__cta {
  font-size: var(--fs-caption);
  font-weight: 600;
  color: var(--c-brand);
  white-space: nowrap;
}

/* nunca mostrar a previa sem hover fino ou abaixo de 1024px */
@media (max-width: 1023px), (hover: none), (pointer: coarse) {
  .previa {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .previa {
    transform: none;
  }
  .previa.is-visivel {
    transform: none;
  }
}

/* ============================================================
   Medidor de TRL
   ============================================================ */
.trl {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.trl__barra {
  display: flex;
  gap: 3px;
}

.trl__seg {
  width: 8px;
  height: 24px;
  border-radius: 1px;
  background: var(--c-border);
}

.trl__seg.is-ativo {
  background: var(--c-brand);
}

.trl__rotulo {
  font-size: var(--fs-caption);
  font-weight: 500;
  color: var(--c-text-muted);
}

/* chip compacto de TRL, usado na previa */
.trl-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 2px var(--s-2);
  border-radius: var(--r-sm);
  background: var(--c-brand-100);
  color: var(--c-brand-800);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* ============================================================
   Lightbox
   ============================================================ */
.lightbox {
  width: 100vw;
  max-width: 100vw;
  height: 100vh;
  max-height: 100vh;
  padding: 0;
  border: none;
  background: transparent;
  overflow: hidden;
}

.lightbox::backdrop {
  background: rgb(46 3 80 / 0.85);
  animation: fade-in var(--dur-3) var(--ease-out);
}

.lightbox__viewport {
  width: 100%;
  height: 100%;
  overflow: auto;
  display: grid;
  place-items: center;
  padding: var(--s-6);
  scrollbar-width: thin;
}

.lightbox__img {
  max-width: 100%;
  max-height: calc(100vh - var(--s-8));
  width: auto;
  height: auto;
  border-radius: var(--r-md);
  box-shadow: var(--sh-3);
  animation: lightbox-in var(--dur-3) var(--ease-out);
}

/* modo 100%: a imagem passa do viewport e o usuario navega pela rolagem */
.lightbox.is-zoom .lightbox__viewport {
  place-items: start center;
}

.lightbox.is-zoom .lightbox__img {
  max-width: none;
  max-height: none;
  width: auto;
  cursor: grab;
}

.lightbox__acoes {
  position: fixed;
  top: var(--s-4);
  right: var(--s-4);
  display: flex;
  gap: var(--s-2);
}

.lightbox__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-width: 44px;
  min-height: 44px;
  padding: var(--s-2) var(--s-4);
  border-radius: var(--r-sm);
  background: rgb(255 255 255 / 0.12);
  color: #fff;
  font-size: var(--fs-strong);
  font-weight: 600;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background-color var(--dur-1) var(--ease-out);
}

.lightbox__btn:hover {
  background: rgb(255 255 255 / 0.24);
}

.lightbox__btn:focus-visible {
  outline-color: #fff;
}

.lightbox__btn svg {
  width: 20px;
  height: 20px;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
}

@keyframes lightbox-in {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
}

@media (prefers-reduced-motion: reduce) {
  .lightbox__img {
    animation: none;
  }
  .lightbox::backdrop {
    animation: none;
  }
}

/* ============================================================
   Voltar ao topo
   ============================================================ */
.ao-topo {
  position: fixed;
  right: var(--gutter);
  bottom: var(--gutter);
  z-index: var(--z-topo);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: var(--c-surface);
  border: 1px solid var(--c-border-strong);
  box-shadow: var(--sh-2);
  color: var(--c-brand);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--dur-2) var(--ease-out),
    transform var(--dur-2) var(--ease-out), visibility 0s linear var(--dur-2),
    background-color var(--dur-1) var(--ease-out);
}

.ao-topo.is-visivel {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity var(--dur-2) var(--ease-out),
    transform var(--dur-2) var(--ease-out), visibility 0s,
    background-color var(--dur-1) var(--ease-out);
}

.ao-topo:hover {
  background: var(--c-brand-50);
}

.ao-topo svg {
  width: 20px;
  height: 20px;
}

/* ============================================================
   Rodape
   ============================================================ */
.rodape {
  position: relative;
  margin-top: var(--s-10);
  background: var(--c-brand-900);
  color: var(--c-on-dark-muted);
  overflow: hidden;
}

.rodape__mosaico {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  pointer-events: none;
}

.rodape__mosaico span {
  position: absolute;
  display: block;
  background: #fff;
}

.rodape__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: var(--s-7);
  padding-block: var(--s-8);
}

.rodape__sobre p {
  margin-top: var(--s-4);
  max-width: 42ch;
  font-size: var(--fs-strong);
  line-height: 1.6;
}

.rodape__titulo {
  font-family: var(--ff-text);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-on-dark);
  margin-bottom: var(--s-4);
}

.rodape__links {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.rodape__links a {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  width: fit-content;
  color: var(--c-on-dark-muted);
  font-size: var(--fs-strong);
  text-decoration: none;
  transition: color var(--dur-1) var(--ease-out);
}

.rodape__links a:hover {
  color: var(--c-on-dark);
  text-decoration: underline;
}

.rodape__links svg {
  width: 14px;
  height: 14px;
  flex: none;
}

.rodape__base {
  position: relative;
  border-top: 1px solid rgb(255 255 255 / 0.16);
  padding-block: var(--s-5);
  font-size: var(--fs-caption);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3) var(--s-5);
  justify-content: space-between;
}

@media (max-width: 899px) {
  .rodape__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--s-6);
  }
  .rodape__sobre {
    grid-column: 1 / -1;
  }
}

@media (max-width: 639px) {
  .rodape__inner {
    grid-template-columns: 1fr;
  }
}