/* =========================================================
   Layout: Header — Editorial Premium (TechAdvisor.com style)
   ========================================================= */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: var(--header-bg);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base);
}

/* Sombra ao rolar */
.site-header--scrolled {
    box-shadow: 0 2px 16px rgba(0,0,0,0.10);
}

/* ── HOT TOPICS ticker ──────────────────────────────────── */
.breaking-news {
    background: var(--color-surface);
    border-bottom: 2px solid var(--color-border);
    height: var(--hot-topics-height);
    overflow: hidden;
}

.breaking-news__inner {
    display: flex;
    align-items: center;
    height: 100%;
}

.breaking-news__label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-accent);
    color: #fff;
    font-size: 10px;
    font-weight: var(--font-black);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0 var(--space-4);
    height: 100%;
    white-space: nowrap;
    flex-shrink: 0;
    margin-right: var(--space-5);
    position: relative;
}

/* Seta apontando para a direita após o label */
.breaking-news__label::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 10px solid var(--color-accent);
    z-index: 2;
}

.breaking-news__label-dot {
    width: 7px;
    height: 7px;
    background: #fff;
    border-radius: 50%;
    animation: pulse-dot 1.5s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.7); }
}

.breaking-news__ticker {
    flex: 1;
    overflow: hidden;
    position: relative;
    mask-image: linear-gradient(to right, transparent, black 4%, black 96%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 4%, black 96%, transparent);
}

.breaking-news__list {
    display: flex;
    align-items: center;
    animation: ticker-scroll 40s linear infinite;
    white-space: nowrap;
    will-change: transform;
}

.breaking-news__list:hover { animation-play-state: paused; }

.breaking-news__link {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--color-text-sec);
    text-decoration: none;
    white-space: nowrap;
    padding: 0 var(--space-6);
    transition: color var(--transition-fast);
    border-right: 1px solid var(--color-border);
}

.breaking-news__link:hover { color: var(--color-accent); }

@keyframes ticker-scroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ── Main bar: logo + busca + idioma ─────────────────────── */
.header-main {
    height: var(--mainbar-height);
    background: var(--header-bg);
    border-bottom: 1px solid var(--color-border);
}

.header-main__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--space-6);
}

.header-main__right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* ── Logo ───────────────────────────────────────────────── */
.site-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.site-logo__img {
    height: 44px;
    width: auto;
}

.site-logo__text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    user-select: none;
    text-decoration: none;
}

.site-logo__name {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: var(--font-black);
    letter-spacing: -0.04em;
    line-height: 1;
    text-transform: uppercase;
    display: flex;
    align-items: baseline;
}

.site-logo__tech    { color: var(--color-primary); }
.site-logo__advisor { color: var(--color-accent); }

.site-logo__text .footer-brand__tagline {
    font-size: 9px;
    font-weight: var(--font-bold);
    letter-spacing: 0.12em;
    color: var(--color-primary-500);
    line-height: 1;
    text-transform: uppercase;
}

/* ── Busca desktop ──────────────────────────────────────── */
.header-search {
    display: flex;
    align-items: center;
    position: relative;
}

.header-search__input {
    width: 340px;
    height: 40px;
    padding: 0 44px 0 var(--space-4);
    border-radius: var(--radius-full);
    border: 1.5px solid var(--color-border);
    background: var(--color-bg-alt);
    color: var(--color-text);
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    outline: none;
    transition: border-color var(--transition-fast), width var(--transition-base), box-shadow var(--transition-fast);
}

.header-search__input:focus {
    border-color: var(--color-accent);
    width: 460px;
    background: var(--color-surface);
    box-shadow: 0 0 0 3px rgba(228,0,43,0.10);
}

.header-search__input::placeholder { color: var(--color-text-light); }

.header-search__btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--color-accent);
    color: #fff;
    transition: background var(--transition-fast);
}

.header-search__btn:hover { background: var(--color-accent-dark); }

.lang-switcher__flag { font-size: 14px; line-height: 1; }

/* ── Theme Toggle (Dark Mode) ─────────────────────────────── */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--color-border);
    color: var(--color-accent);
}

.theme-toggle__icon {
    position: absolute;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.theme-toggle__icon--sun { opacity: 1; transform: scale(1); }
.theme-toggle__icon--moon { opacity: 0; transform: scale(0.5) rotate(-45deg); }

/* Ativo quando o tema é Dark */
[data-theme="dark"] .theme-toggle__icon--sun { opacity: 0; transform: scale(0.5) rotate(45deg); }
[data-theme="dark"] .theme-toggle__icon--moon { opacity: 1; transform: scale(1) rotate(0); }

/* ── Hamburguer mobile ──────────────────────────────────── */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.nav-toggle:hover { background: var(--color-border); }

.nav-toggle__bar {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
    transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0; transform: scaleX(0);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Navegação principal ─────────────────────────────────── */
.primary-nav {
    height: var(--nav-height);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.primary-nav .container {
    height: 100%;
    display: flex;
    align-items: center;
}

.primary-nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
}

/* ── Ícones sociais na nav ──────────────────────────────── */
.primary-nav__social {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    flex-shrink: 0;
}

.nav-social__link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-social__link:hover {
    color: var(--color-accent);
    background: var(--color-accent-light);
}

.primary-nav__list {
    display: flex;
    align-items: center;
    gap: 0;
    height: 100%;
}

.primary-nav__list > .menu-item > a {
    display: flex;
    align-items: center;
    height: var(--nav-height);
    padding: 0 var(--space-5);
    font-size: 11px;
    font-weight: var(--font-black);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-sec);
    text-decoration: none;
    border-bottom: 3px solid transparent;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
}

.primary-nav__list > .menu-item > a:hover,
.primary-nav__list > .menu-item.current-menu-item > a,
.primary-nav__list > .menu-item.current-menu-ancestor > a {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

/* Dropdown */
.primary-nav__list .menu-item-has-children { position: relative; }

.primary-nav__list .sub-menu {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    min-width: 210px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-accent);
    border-radius: 0 var(--radius-md) var(--radius-md) var(--radius-md);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    z-index: var(--z-overlay);
    padding: var(--space-2) 0;
}

.primary-nav__list .menu-item-has-children:hover .sub-menu,
.primary-nav__list .menu-item-has-children:focus-within .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.primary-nav__list .sub-menu .menu-item a {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text);
    text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast), padding var(--transition-fast);
}

.primary-nav__list .sub-menu .menu-item a:hover {
    background: var(--color-accent-light);
    color: var(--color-accent);
    padding-left: var(--space-6);
}

/* Seta dropdown */
.primary-nav__list .menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    margin-left: 5px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    opacity: 0.5;
    transition: transform var(--transition-fast);
}

.primary-nav__list .menu-item-has-children:hover > a::after {
    transform: rotate(180deg);
    opacity: 1;
}

/* ── Header offset ──────────────────────────────────────── */
.header-offset { height: var(--header-total-height); }

/* ── Mobile ─────────────────────────────────────────────── */
@media (max-width: 1023px) {
    .nav-toggle { display: flex; }
    .header-search__input { width: 170px; }
    .header-search__input:focus { width: 220px; }

    .primary-nav {
        position: fixed;
        top: calc(var(--hot-topics-height) + var(--mainbar-height));
        left: 0;
        right: 0;
        background: var(--color-surface);
        border-top: 3px solid var(--color-accent);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-slow) var(--ease-out-quart);
        z-index: var(--z-sticky);
        height: auto;
        box-shadow: var(--shadow-lg);
    }

    .primary-nav.is-open {
        max-height: 80vh;
        overflow-y: auto;
    }

    .primary-nav .container { padding-inline: 0; }

    .primary-nav__list {
        flex-direction: column;
        align-items: stretch;
        height: auto;
        padding: var(--space-2) 0;
    }

    .primary-nav__list > .menu-item > a {
        height: auto;
        padding: var(--space-4) var(--space-6);
        border-bottom: 1px solid var(--color-border);
        border-left: 3px solid transparent;
        font-size: var(--text-sm);
    }

    .primary-nav__list > .menu-item > a:hover {
        border-left-color: var(--color-accent);
        background: var(--color-accent-light);
    }

    .primary-nav__list .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-top: none;
        border-radius: 0;
        background: var(--color-bg-alt);
    }

    .primary-nav__list .sub-menu .menu-item a {
        padding-left: var(--space-10);
    }
}

@media (max-width: 600px) {
    .header-search { display: none; }
    .breaking-news { display: none; }
    .header-offset { height: calc(var(--mainbar-height) + var(--nav-height)); }
    .site-logo__text { font-size: 1.5rem; }
}