/* ==========================================================================
   CABEÇALHO E MENU
   --------------------------------------------------------------------------
   Topo transparente sobre a abertura, que fica sólido ao rolar
   (HeaderState.js). No celular, o menu desce do topo em tela cheia
   (MobileMenu.js).
   ========================================================================== */

.top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
    padding-top: env(safe-area-inset-top,0px);
    transition: background .3s ease, border-color .3s ease;
    border-bottom: 1px solid transparent;
}

.top.solid {
    background: rgba(10,10,11,0.9);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom-color: var(--line);
}

.top .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 76px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand img {
    width: 46px;
    height: 46px;
    border-radius: 50%;
}

.brand b {
    font-weight: 800;
    font-size: 1.08rem;
    letter-spacing: 0.14em;
}

.brand small {
    display: block;
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.24em;
    color: var(--muted);
    margin-top: 1px;
}

.nav {
    display: flex;
    gap: 30px;
    font-size: 0.93rem;
    font-weight: 500;
}

.nav a {
    color: #d4d4d8;
    transition: color .2s ease;
    position: relative;
    padding: 6px 0;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--orange);
    transform: scaleX(0);
    transition: transform .25s ease;
}

.nav a:hover {
    color: #fff;
}

.nav a:hover::after {
    transform: scaleX(1);
}

.top .btn {
    min-height: 44px;
    padding: 0 18px;
    font-size: 0.9rem;
}

.burger {
    display: none;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.25);
    background: rgba(10,10,11,0.4);
    color: #fff;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.burger span {
    position: relative;
    width: 18px;
    height: 2px;
    background: currentColor;
    transition: background .2s ease;
}

.burger span::before,
.burger span::after {
    content: "";
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    background: currentColor;
    transition: transform .3s ease;
}

.burger span::before {
    top: -6px;
}

.burger span::after {
    top: 6px;
}

.burger[aria-expanded="true"] span {
    background: transparent;
}

.burger[aria-expanded="true"] span::before {
    transform: translateY(6px) rotate(45deg);
}

.burger[aria-expanded="true"] span::after {
    transform: translateY(-6px) rotate(-45deg);
}

.menu {
    position: fixed;
    inset: 0;
    z-index: 55;
    background: var(--black);
    padding: calc(100px + env(safe-area-inset-top,0px)) 28px 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transform: translateY(-100%);
    transition: transform .5s cubic-bezier(.7,0,.2,1);
    overflow: auto;
}

.menu.open {
    transform: none;
}

.menu::before {
    content: "";
    position: absolute;
    right: -120px;
    bottom: -60px;
    width: 420px;
    height: 420px;
    background: url('../img/logo.jpg') center/contain no-repeat;
    opacity: 0.07;
    border-radius: 50%;
    pointer-events: none;
}

.menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    font-size: clamp(1.8rem,8vw,2.6rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.menu li a::after {
    content: "→";
    color: var(--orange);
    font-size: 1.4rem;
}

.menu .menu-foot {
    display: grid;
    gap: 12px;
    margin-top: 28px;
}

.menu .menu-foot p {
    color: var(--muted);
    font-size: 0.9rem;
}

body.menu-open {
    overflow: hidden;
}

/* --- Responsivo --------------------------------------------------------- */

@media (max-width:1060px) {
    .nav,
    .top .btn {
        display: none;
    }

    .burger {
        display: inline-flex;
    }
}