/* ========================================
   HEADER — Navigation Premium
   Clínica Estética Senz
   Botanical Luxury
======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--cor-primaria);
    transition: background-color var(--dur-base) var(--ease-out),
                box-shadow var(--dur-base) var(--ease-out);
}

.navbar.scrolled {
    background: var(--cor-fundo-escuro);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* ── Logo ── */
.navbar-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.navbar-logo img {
    height: 38px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.95;
}

.navbar-logo:focus-visible {
    box-shadow: var(--foco-anel-escuro);
    border-radius: var(--radius-sm);
    outline: none;
}

/* ── Desktop Menu ── */
.navbar-menu {
    display: flex;
    align-items: center;
    gap: 24px;
}

.navbar-menu > a,
.navbar-menu > .nav-dropdown > .dropdown-trigger {
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    color: var(--cor-fundo-alt);
    padding: 6px 0;
    position: relative;
    transition: color var(--dur-fast) var(--ease-out);
    cursor: pointer;
    background: none;
    border: none;
    font-family: var(--fonte-corpo);
    white-space: nowrap;
    line-height: 1.4;
}

.navbar-menu > a::after,
.navbar-menu > .nav-dropdown > .dropdown-trigger::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--cor-acento);
    transition: width var(--dur-base) var(--ease-out);
}

.navbar-menu > a:hover,
.navbar-menu > .nav-dropdown > .dropdown-trigger:hover {
    color: var(--cor-acento);
}

.navbar-menu > a:hover::after,
.navbar-menu > .nav-dropdown > .dropdown-trigger:hover::after {
    width: 100%;
}

.navbar-menu > a:focus-visible,
.navbar-menu > .nav-dropdown > .dropdown-trigger:focus-visible {
    box-shadow: var(--foco-anel-escuro);
    border-radius: var(--radius-sm);
    outline: none;
}

.dropdown-trigger i {
    font-size: 0.6rem;
    margin-left: 3px;
    transition: transform var(--dur-fast) var(--ease-out);
}

/* ── CTA Button ── */
.navbar-cta,
a.navbar-cta,
.navbar-menu a.navbar-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--cor-acento) !important;
    color: var(--cor-fundo-escuro) !important;
    padding: 9px 22px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.3px;
    transition: background-color var(--dur-fast) var(--ease-out),
                transform var(--dur-fast) var(--ease-out),
                box-shadow var(--dur-fast) var(--ease-out);
    white-space: nowrap;
    border: none !important;
    min-height: auto;
}

.navbar-cta::after,
a.navbar-cta::after {
    display: none !important;
}

.navbar-cta:hover,
a.navbar-cta:hover {
    background: var(--cor-acento-escuro) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(201, 185, 154, 0.35);
    color: var(--cor-fundo-escuro) !important;
}

.navbar-cta:focus-visible,
a.navbar-cta:focus-visible {
    box-shadow: var(--foco-anel-escuro);
    outline: none;
}

/* ── Mega Dropdown ── */
.nav-dropdown {
    position: relative;
}

.mega-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 780px;
    background: var(--cor-fundo-escuro);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    padding: 28px;
    display: grid;
    grid-template-columns: 180px 1fr 1fr;
    gap: 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-base) var(--ease-out),
                visibility var(--dur-base) var(--ease-out),
                margin-top var(--dur-base) var(--ease-out);
    box-shadow: var(--sombra-lg);
    pointer-events: none;
    margin-top: 12px;
}

.mega-dropdown.ativo {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    margin-top: 0;
}

.mega-dropdown-img {
    border-radius: var(--radius-sm);
    overflow: hidden;
    height: 100%;
}

.mega-dropdown-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mega-dropdown-col h4 {
    font-family: var(--fonte-corpo);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--cor-acento);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(201, 185, 154, 0.12);
}

.mega-dropdown-col ul li {
    margin-bottom: 2px;
}

.mega-dropdown-col ul li a {
    display: block;
    padding: 5px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    color: var(--cor-fundo-alt);
    transition: background-color var(--dur-fast) var(--ease-out),
                color var(--dur-fast) var(--ease-out),
                padding-left var(--dur-fast) var(--ease-out);
    line-height: 1.4;
}

.mega-dropdown-col ul li a:hover {
    background: rgba(201, 185, 154, 0.08);
    color: var(--cor-acento);
    padding-left: 12px;
}

.mega-dropdown-col ul li a:focus-visible {
    box-shadow: var(--foco-anel-escuro);
    outline: none;
}

/* ── Hamburger ── */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    border: none;
    background: none;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--cor-branco);
    border-radius: 2px;
    transition: transform var(--dur-base) var(--ease-out),
                opacity var(--dur-fast) var(--ease-out);
}

.hamburger.ativo span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.ativo span:nth-child(2) {
    opacity: 0;
}

.hamburger.ativo span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.hamburger:focus-visible {
    box-shadow: var(--foco-anel-escuro);
    border-radius: var(--radius-sm);
    outline: none;
}

/* ── Overlay ── */
.overlay-menu {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-base) var(--ease-out),
                visibility var(--dur-base) var(--ease-out);
}

.overlay-menu.ativo {
    opacity: 1;
    visibility: visible;
}