/* ==========================================================================
   COMPONENTES — header, navegação, botões, tags, eyebrow, marquees
   ========================================================================== */

/* HEADER ---------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  transition: background-color var(--dur) ease, border-color var(--dur) ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: var(--header-bg);
  border-bottom-color: var(--border);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  backdrop-filter: saturate(160%) blur(16px);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 600;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0;
  transition: transform var(--dur) var(--ease-out);
}

.brand:hover .brand-mark {
  transform: rotate(-12deg);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-right: var(--space-3);
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink-muted);
  transition: color var(--dur-fast) ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: var(--space-3);
  right: var(--space-3);
  bottom: 2px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur) var(--ease-out);
}

.nav-link:hover,
.nav-link[aria-current] {
  color: var(--ink);
}

.nav-link:hover::after,
.nav-link[aria-current]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta-mobile {
  display: none;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--ink);
  transition: background-color var(--dur-fast) ease, border-color var(--dur-fast) ease;
}

.icon-btn:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

/* Ícones do tema: mostra a lua no claro e o sol no escuro */
.theme-toggle .icon-sun {
  display: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun {
    display: block;
  }

  :root:not([data-theme="light"]) .theme-toggle .icon-moon {
    display: none;
  }
}

:root[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

:root[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

.menu-toggle {
  display: none;
}

.menu-toggle .icon-close {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon-open {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

@media (max-width: 900px) {
  .menu-toggle {
    display: grid;
  }

  .nav .header-cta {
    display: none;
  }

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

  .nav-list {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: var(--space-3) var(--gutter) var(--space-6);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity var(--dur) var(--ease-out),
      transform var(--dur) var(--ease-out),
      visibility 0s linear var(--dur);
  }

  .nav-list.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition-delay: 0s;
  }

  .nav-link {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--text-xl);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ink);
    border-bottom: 1px solid var(--border);
  }

  .nav-link::after {
    display: none;
  }
}

/* BOTÕES ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 52px;
  padding: 0 var(--space-6);
  border-radius: var(--radius-pill);
  font-size: var(--text-base);
  font-weight: 500;
  white-space: nowrap;
  border: 1px solid transparent;
  transition:
    background-color var(--dur-fast) ease,
    color var(--dur-fast) ease,
    border-color var(--dur-fast) ease,
    transform var(--dur) var(--ease-out);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--dur) var(--ease-out);
}

.btn:hover svg {
  transform: translate(2px, -2px);
}

.btn:active {
  transform: scale(0.98);
}

.btn-sm {
  min-height: 40px;
  padding: 0 var(--space-5);
  font-size: var(--text-sm);
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn-primary:hover {
  background: var(--ink-muted);
}

.btn-ghost {
  border-color: var(--border-strong);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--ink);
}

.btn-invert {
  background: var(--inverse-ink);
  color: var(--inverse-bg);
}

.btn-invert:hover {
  background: var(--inverse-muted);
}

/* LINK COM SETA --------------------------------------------------------- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.link-arrow svg {
  width: 16px;
  height: 16px;
  transition: transform var(--dur) var(--ease-out);
}

.link-arrow:hover svg {
  transform: translateX(4px);
}

/* EYEBROW / TÍTULOS DE SEÇÃO -------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.eyebrow-num {
  color: var(--ink);
}

.section-title {
  max-width: 16ch;
}

/* TAGS ------------------------------------------------------------------ */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  color: var(--ink-muted);
}

/* STATUS ---------------------------------------------------------------- */
.status-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

.status-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: inherit;
  animation: pulse 2s var(--ease-out) infinite;
}

@keyframes pulse {
  to {
    transform: scale(3);
    opacity: 0;
  }
}

/* MARQUEES -------------------------------------------------------------- */
.marquee,
.ticker,
.footer-ticker {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track,
.ticker-track {
  display: flex;
  width: max-content;
  animation: marquee 40s linear infinite;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

.marquee {
  padding-block: var(--space-6);
  border-block: 1px solid var(--border);
}

.marquee-track span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-7);
  padding-right: var(--space-7);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink-faint);
}

.marquee-track span::after {
  content: "✶";
  font-size: var(--text-sm);
  color: var(--ink);
}

.ticker {
  padding-block: var(--space-6);
  background: var(--ink);
  color: var(--bg);
  transform: rotate(-1.5deg);
  margin-block: var(--space-6);
}

.ticker .ticker-track {
  animation-duration: 30s;
}

.ticker-track span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-6);
  padding-right: var(--space-6);
  font-size: var(--text-2xl);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.ticker-track span::after {
  content: "✶";
  font-size: 0.6em;
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track,
  .ticker-track {
    animation: none;
  }
}