/* ================================================================
   FBGE — PREMIUM UX LAYER
   Adicionar: <link rel="stylesheet" href="css/premium.css"> em todas as páginas
   + <script src="js/premium.js" defer></script>
   ================================================================ */

/* ── PAGE TRANSITION OVERLAY ── */
.page-transition {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--ink);
  pointer-events: none;
  transform: translateY(100%);
  transition: transform 0.45s cubic-bezier(0.76, 0, 0.24, 1);
}
.page-transition::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--red) 0%, transparent 60%);
  opacity: 0.08;
}
.page-transition.enter {
  transform: translateY(0);
}
.page-transition.exit {
  transform: translateY(-100%);
}

/* ── NAVBAR LETTER ROLL HOVER ── */
/* 
   Funciona com o JS que envolve o texto de cada nav link em spans.
   Cada letra fica empilhada: original em cima, clone embaixo (vermelho).
   No hover, desliza verticalmente.
*/
.nav-links a .letter-roll {
  display: inline-block;
  overflow: hidden;
  height: 1em;
  line-height: 1;
  vertical-align: bottom;
}
.nav-links a .letter-roll .letter-top,
.nav-links a .letter-roll .letter-bottom {
  display: block;
  transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  transform: translateY(0);
}
.nav-links a .letter-roll .letter-bottom {
  color: var(--red);
  position: absolute;
  top: 100%;
  left: 0;
}
.nav-links a .letter-roll {
  position: relative;
}
.nav-links a:hover .letter-roll .letter-top {
  transform: translateY(-100%);
}
.nav-links a:hover .letter-roll .letter-bottom {
  transform: translateY(-100%);
}

/* ── SCROLL REVEAL ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s cubic-bezier(0.23, 1, 0.32, 1);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal][data-delay="1"] { transition-delay: 0.08s; }
[data-reveal][data-delay="2"] { transition-delay: 0.16s; }
[data-reveal][data-delay="3"] { transition-delay: 0.24s; }
[data-reveal][data-delay="4"] { transition-delay: 0.32s; }
[data-reveal][data-delay="5"] { transition-delay: 0.40s; }

/* ── MAGNETIC BUTTONS ── */
.btn-magnetic {
  transition: transform 0.2s ease, box-shadow 0.2s ease !important;
}

/* ── CURSOR UPGRADE ── */
/* Adiciona estado "hover" mais expressivo no cursor */
body.cursor-on-link .cursor {
  transform: translate(-50%, -50%) scale(2.2);
  background: var(--red);
  mix-blend-mode: normal;
  opacity: 0.9;
}
body.cursor-on-link .cursor-ring {
  transform: translate(-50%, -50%) scale(0.5);
  opacity: 0;
}

/* ── SMOOTH ACTIVE LINK UNDERLINE ── */
.nav-links a {
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--red);
  transition: width 0.3s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}
/* Remove underline do CTA button */
.nav-links a.nav-cta::after { display: none; }

/* ── CARD HOVER LIFT ── */
.card-hover {
  transition: transform 0.25s ease, box-shadow 0.25s ease !important;
}
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 0 1px var(--line);
}

/* ── IMAGE PARALLAX WRAPPER ── */
.parallax-img {
  overflow: hidden;
}
.parallax-img img {
  transform: scale(1.08);
  transition: transform 0.1s linear;
  will-change: transform;
}

/* ── SECTION HEADING ACCENT LINE ── */
.section-label-line {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 16px;
}
.section-label-line::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--red);
  flex-shrink: 0;
}

/* ── FOCUS STYLES (acessibilidade premium) ── */
*:focus-visible {
  outline: 1.5px solid var(--red);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ── PARCEIROS TICKER ── */
.parceiros-section {
  padding: 56px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}
.parceiros-section::before,
.parceiros-section::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
}
.parceiros-section::before {
  left: 0;
  background: linear-gradient(to right, var(--ink), transparent);
}
.parceiros-section::after {
  right: 0;
  background: linear-gradient(to left, var(--ink), transparent);
}
.parceiros-label {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--snow-ghost);
  text-align: center;
  margin-bottom: 32px;
}
.parceiros-track-wrap {
  display: flex;
  overflow: hidden;
  user-select: none;
}
.parceiros-track {
  display: flex;
  align-items: center;
  gap: 64px;
  animation: ticker 24s linear infinite;
  flex-shrink: 0;
  white-space: nowrap;
}
.parceiros-track:nth-child(2) {
  animation-delay: -12s;
}
@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.parceiro-logo {
  display: flex;
  align-items: center;
  gap: 64px;
  flex-shrink: 0;
}
.parceiro-logo img {
  height: 36px;
  max-width: 120px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.35;
  transition: opacity 0.25s, filter 0.25s;
  flex-shrink: 0;
}
.parceiro-logo img:hover {
  opacity: 0.85;
  filter: none;
}
.parceiro-logo .parceiro-text {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--snow-ghost);
  opacity: 0.5;
  transition: opacity 0.25s;
  flex-shrink: 0;
}
.parceiro-logo a:hover .parceiro-text {
  opacity: 1;
  color: var(--snow-dim);
}

/* Pausa o ticker no hover */
.parceiros-track-wrap:hover .parceiros-track {
  animation-play-state: paused;
}

/* ── PROGRESS BAR NO TOPO (artigos) ── */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--red);
  z-index: 10000;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(200, 40, 30, 0.6);
}

/* ── BACK TO TOP ── */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--snow-dim);
  cursor: none;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.25s, transform 0.25s, border-color 0.2s, color 0.2s;
  z-index: 500;
  text-decoration: none;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
.back-to-top:hover {
  border-color: var(--red);
  color: var(--red);
  background: var(--red-dim);
}