/* ==========================================================
   Kacire — componentes: cabeçalho, botões, carrossel, cartões
   ========================================================== */

/* ---------- Cabeçalho fixo ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(5, 5, 7, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: calc(var(--maxw) + 2 * var(--gutter));
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: 0.28em;
  font-size: 1.05rem;
}
.brand .star {
  position: static;
  --s: 14px;
  --o: 1;
  --c: var(--purple);
  animation: none;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 32px);
}
.nav-link {
  position: relative;
  display: inline-block;
  padding: 8px 2px;
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.25s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-link:hover,
.nav-link.is-active,
.nav-link[aria-current="page"] {
  color: var(--fg);
}
.nav-link:hover::after,
.nav-link.is-active::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px 0;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.nav-toggle .bars {
  width: 28px;
  display: grid;
  gap: 6px;
  justify-items: end;
}
.nav-toggle .bars i {
  display: block;
  height: 2px;
  background: var(--fg);
  transition:
    transform 0.3s var(--ease),
    opacity 0.2s;
}
.nav-toggle .bars i:nth-child(1) {
  width: 28px;
}
.nav-toggle .bars i:nth-child(2) {
  width: 20px;
}
.nav-toggle .bars i:nth-child(3) {
  width: 28px;
}
.nav-toggle[aria-expanded="true"] .bars i:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .bars i:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .bars i:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
  width: 28px;
}

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-flex;
  }
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(5, 5, 7, 0.97);
    border-bottom: 1px solid var(--line);
    padding: 12px var(--gutter) 24px;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 0.25s,
      transform 0.25s var(--ease),
      visibility 0s linear 0.25s;
  }
  .nav.is-open {
    opacity: 1;
    transform: none;
    visibility: visible;
    transition:
      opacity 0.25s,
      transform 0.25s var(--ease),
      visibility 0s;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .nav-link {
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    display: block;
    font-size: 0.9rem;
  }
  .nav-link::after {
    display: none;
  }
  .nav-link.is-active,
  .nav-link[aria-current="page"] {
    color: var(--fg);
  }
}

/* ---------- Botões com brilho ---------- */
.btn {
  --glow: var(--purple);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 48px;
  padding: 12px 24px;
  background: transparent;
  color: var(--fg);
  border: 1px solid rgba(255, 255, 255, 0.55);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  isolation: isolate;
  transition:
    box-shadow 0.3s var(--ease),
    border-color 0.3s,
    transform 0.2s,
    background 0.3s,
    color 0.3s;
}
.btn::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  opacity: 0;
  background: var(--grad);
  transition: opacity 0.3s;
}
.btn:hover,
.btn:focus-visible {
  border-color: transparent;
  color: #fff;
  transform: translateY(-1px);
  box-shadow:
    0 0 18px -2px var(--glow),
    0 0 42px -10px var(--glow);
}
.btn:hover::before,
.btn:focus-visible::before {
  opacity: 1;
}
.btn:active {
  transform: translateY(1px);
}
.btn svg {
  width: 14px;
  height: 14px;
  flex: none;
  transition: transform 0.3s var(--ease);
}
.btn:hover svg {
  transform: translate(2px, -2px);
}

.btn--solid {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.btn--solid:hover,
.btn--solid:focus-visible {
  color: #fff;
}
.btn--blue {
  --glow: var(--blue);
}
.btn--red {
  --glow: var(--red);
}

.btn-ghost {
  background: none;
  border: 0;
  padding: 8px 0;
  cursor: pointer;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-color: var(--line);
  transition: color 0.25s;
}
.btn-ghost:hover {
  color: var(--fg);
}

/* ---------- Carrossel "coverflow" (estilo do repositório de referência) ----------
   Slide ativo no centro; anterior/próximo aparecem menores, esmaecidos e desfocados
   nas laterais; rotação infinita. Sem JS (sem classe .js) os slides ficam em coluna. */
.carousel {
  outline: none;
}
.carousel:focus-visible {
  box-shadow: 0 0 0 2px var(--blue);
  border-radius: 4px;
}
.carousel-viewport {
  position: relative;
}
.carousel-track {
  display: grid;
  gap: 32px;
}
.carousel-slide {
  width: min(100%, 34rem);
  margin-inline: auto;
}
.slide-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.js .carousel-viewport {
  overflow: hidden;
  perspective: 1200px;
  padding: 1.5rem 0 2rem;
  touch-action: pan-y;
}
.js .carousel-track {
  gap: 0;
}
.js .carousel-slide {
  grid-area: 1 / 1;
  justify-self: center;
  transform: translateX(0) scale(0.86);
  opacity: 0;
  filter: blur(4px);
  visibility: hidden;
  pointer-events: none;
  transition:
    transform 0.48s var(--ease),
    opacity 0.48s var(--ease),
    filter 0.48s var(--ease),
    visibility 0.48s;
}
.js .carousel-slide.is-active {
  transform: none;
  opacity: 1;
  filter: none;
  visibility: visible;
  pointer-events: auto;
  z-index: 3;
}
.js .carousel-slide.is-prev,
.js .carousel-slide.is-next {
  opacity: 0.45;
  visibility: visible;
  pointer-events: auto;
  cursor: pointer;
  z-index: 2;
}
.js .carousel-slide.is-prev {
  transform: translateX(-62%) scale(0.88);
}
.js .carousel-slide.is-next {
  transform: translateX(62%) scale(0.88);
}

@media (max-width: 760px) {
  .js .carousel-slide.is-prev,
  .js .carousel-slide.is-next {
    transform: translateX(0) scale(0.94);
    opacity: 0;
    filter: none;
    visibility: hidden;
    pointer-events: none;
  }
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 8px;
}
@media (max-width: 520px) {
  .carousel-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .carousel-controls .carousel-dots {
    grid-column: 1 / -1;
    order: -1;
    justify-content: center;
  }
  .carousel-controls .btn {
    padding-inline: 12px;
    letter-spacing: 0.1em;
  }
}
.js .carousel-controls {
  margin-top: 0;
}
.carousel-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  min-width: 0;
}
.carousel-dot {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}
.carousel-dot::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--muted);
  opacity: 0.5;
  clip-path: polygon(
    50% 0,
    62% 38%,
    100% 50%,
    62% 62%,
    50% 100%,
    38% 62%,
    0 50%,
    38% 38%
  );
  transform: scale(1.3);
  transition:
    background 0.25s,
    opacity 0.25s,
    transform 0.25s;
}
.carousel-dot[aria-current="true"]::before {
  background: var(--purple);
  opacity: 1;
  transform: scale(1.7);
}

/* Imagem do slide (link para o site quando houver URL em js/config.js) */
.slide-media {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: inherit;
  text-decoration: none;
}
.slide-media .shot {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 0;
  transition: transform 0.5s ease;
}
a.slide-media {
  transition:
    border-color 0.3s,
    box-shadow 0.3s;
}
a.slide-media:hover,
a.slide-media:focus-visible {
  border-color: var(--purple);
  box-shadow: 0 0 28px -8px var(--purple);
}
a.slide-media:hover .shot,
a.slide-media:focus-visible .shot {
  transform: scale(1.04);
}
.slide-media__badge {
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 28px;
  padding: 4px 10px;
  background: rgba(5, 5, 7, 0.82);
  border: 1px solid var(--line);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg);
}
.slide-media__badge svg {
  width: 12px;
  height: 12px;
}
.slide-media.is-pending .slide-media__badge {
  color: var(--muted);
}
.slide-body {
  display: grid;
  gap: 10px;
  justify-items: start;
}
.slide-body h3 {
  position: relative;
  padding-bottom: 14px;
}
.slide-body h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--grad);
}
.slide-body p {
  color: var(--muted);
}

.tag {
  display: inline-block;
  align-self: flex-start;
  justify-self: start;
  width: fit-content;
  padding: 3px 10px;
  border: 1px solid var(--line);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.tag--blue {
  color: var(--blue);
  border-color: rgba(59, 130, 255, 0.5);
}
.tag--purple {
  color: var(--purple);
  border-color: rgba(139, 92, 246, 0.5);
}
.tag--red {
  color: var(--red);
  border-color: rgba(255, 59, 78, 0.5);
}

/* ---------- Rodapé ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px var(--gutter);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  justify-content: space-between;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-inner a {
  text-underline-offset: 4px;
}