/* =====================================================
   HEADER
   ===================================================== */

.header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(8,8,10,0);
  border-bottom: 1px solid transparent;
  transition: background var(--dur-med) var(--ease-out),
              border-color var(--dur-med) var(--ease-out),
              backdrop-filter var(--dur-med) var(--ease-out),
              height var(--dur-med) var(--ease-out);
}

.header.is-scrolled{
  height: 72px;
  background: rgba(8,8,10,0.55);
  border-bottom: 1px solid var(--c-border);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}

.header__inner{
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* ---------- logo ---------- */
.header__logo{
  display: flex;
  align-items: center;
  color: var(--c-ice);
}

.header__logo-img{
  height: 36px;
  width: auto;
  object-fit: contain;
  display: block;
  transition: transform var(--dur-med) var(--ease-out);
}

.header__logo:hover .header__logo-img{
  transform: scale(1.04);
}

/* ---------- nav desktop ---------- */
.header__nav{
  display: none;
}

.header__nav-list{
  display: flex;
  align-items: center;
  gap: 40px;
}

.header__nav-link{
  position: relative;
  font-size: 0.86rem;
  letter-spacing: 0.01em;
  color: var(--c-ice-dim);
  padding: 6px 0;
}

.header__nav-link span{
  position: relative;
  display: inline-block;
}

.header__nav-link span::after{
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%;
  height: 1px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-med) var(--ease-out);
}

.header__nav-link:hover{ color: var(--c-ice); }
.header__nav-link:hover span::after{
  transform: scaleX(1);
  transform-origin: left;
}

/* ---------- ações / burger ---------- */
.header__actions{
  display: flex;
  align-items: center;
  gap: 18px;
}

.header__actions .btn{
  display: none;
}

.header__burger{
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  z-index: 600;
}

.header__burger span{
  display: block;
  width: 22px;
  height: 1.4px;
  background: var(--c-ice);
  border-radius: 2px;
  transition: transform var(--dur-med) var(--ease-in-out),
              opacity var(--dur-fast) ease,
              width var(--dur-fast) ease;
}

.header__burger:hover span{ width: 22px; }

body.menu-open .header__burger span:nth-child(1){
  transform: translateY(6.4px) rotate(45deg);
}
body.menu-open .header__burger span:nth-child(2){ opacity: 0; }
body.menu-open .header__burger span:nth-child(3){
  transform: translateY(-6.4px) rotate(-45deg);
}

/* =====================================================
   MENU MOBILE
   ===================================================== */
.mobile-menu{
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--header-h) + 24px) var(--container-pad) 40px;
  background: rgba(8,8,10,0.92);
  backdrop-filter: blur(28px) saturate(140%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity var(--dur-med) var(--ease-out),
              transform var(--dur-med) var(--ease-out),
              visibility 0s linear var(--dur-med);
}

body.menu-open .mobile-menu{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity var(--dur-med) var(--ease-out),
              transform var(--dur-med) var(--ease-out),
              visibility 0s linear 0s;
}

/* ---------- selo de marca (logo vertical oficial) ---------- */
.mobile-menu__brand{
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}

.mobile-menu__brand img{
  height: 78px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 22px rgba(139,92,246,0.3));
}

.mobile-menu__brand::after{
  content: "";
  width: 44px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold-dim), transparent);
}

body.menu-open .mobile-menu__brand{
  opacity: 1;
  transform: translateY(0);
  transition-delay: 40ms;
}

.mobile-menu__nav{
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mobile-menu__link{
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--c-border);
  font-family: var(--f-display);
  font-size: clamp(1.6rem, 7vw, 2.2rem);
  font-weight: 500;
  color: var(--c-ice);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), color var(--dur-fast) ease;
}

body.menu-open .mobile-menu__link{
  opacity: 1;
  transform: translateY(0);
}

body.menu-open .mobile-menu__link:nth-child(1){ transition-delay: 90ms; }
body.menu-open .mobile-menu__link:nth-child(2){ transition-delay: 150ms; }
body.menu-open .mobile-menu__link:nth-child(3){ transition-delay: 210ms; }
body.menu-open .mobile-menu__link:nth-child(4){ transition-delay: 270ms; }

.mobile-menu__link:hover{ color: var(--c-gold-soft); }

.mobile-menu__index{
  font-family: var(--f-body);
  font-size: 0.72rem;
  color: var(--c-gold);
  letter-spacing: 0.05em;
}

.mobile-menu__footer{
  display: flex;
  flex-direction: column;
  gap: 18px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur-med) var(--ease-out) 320ms, transform var(--dur-med) var(--ease-out) 320ms;
}

body.menu-open .mobile-menu__footer{
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu__meta{
  font-size: 0.78rem;
  color: var(--c-ice-dim);
  text-align: center;
  letter-spacing: 0.03em;
}