/* =============================================================================
   DOMINUS CASA INTELIGENTE — Header CSS
   Sistema: Maya Core Systems | Versão: 2.0
   Menu fixo, transparente, com scrollspy e hamburger mobile.
   ============================================================================= */

/* ── Variáveis locais (fallback se variables.css não carregou) ────────────── */
:root {
    --header-height: 80px;
    --header-height-scrolled: 64px;
    --header-bg-scrolled: rgba(8, 10, 18, 0.94);
    --header-blur: blur(22px);
    --header-border-scrolled: rgba(255, 140, 0, 0.18);
    --color-primary: #FF8C00;
    --color-primary-hover: #FFA333;
    --font-display: 'Inter', sans-serif;
    --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Base do header ───────────────────────────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    height: var(--header-height);
    background: transparent;
    border-bottom: 1px solid transparent;
    transition:
        background var(--transition-smooth),
        border-color var(--transition-smooth),
        height var(--transition-smooth),
        backdrop-filter var(--transition-smooth),
        box-shadow var(--transition-smooth);
    will-change: background, height;
}

/* ── Estado: scrollou além do hero ───────────────────────────────────────── */
.site-header.scrolled {
    height: var(--header-height-scrolled);
    background: var(--header-bg-scrolled);
    backdrop-filter: var(--header-blur);
    -webkit-backdrop-filter: var(--header-blur);
    border-bottom-color: var(--header-border-scrolled);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.45), 0 1px 0 rgba(255, 140, 0, 0.08);
}

/* ── Container interno ───────────────────────────────────────────────────── */
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Logo ────────────────────────────────────────────────────────────────── */
.site-header .logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}

.site-header .logo img {
    height: 40px;
    width: auto;
    transition: height var(--transition-smooth), opacity var(--transition-smooth);
    object-fit: contain;
}

.site-header.scrolled .logo img {
    height: 34px;
}

/* ── Navegação principal ─────────────────────────────────────────────────── */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav a {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
    border-radius: 6px;
    position: relative;
    transition: color var(--transition-smooth), background var(--transition-smooth);
}

/* Indicador subline */
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Estado: hover ───────────────────────────────────────────────────────── */
.main-nav a:hover {
    color: #fff;
}

.main-nav a:hover::after {
    transform: scaleX(0.6);
}

/* ── Estado: ATIVO (seção atual via scrollspy) ───────────────────────────── */
.main-nav a.active {
    color: var(--color-primary) !important;
}

.main-nav a.active::after {
    transform: scaleX(1);
}

/* ── CTA do header ───────────────────────────────────────────────────────── */
.header-cta {
    flex-shrink: 0;
}

.btn-header {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--color-primary);
    color: #fff;
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 100px;
    border: 1.5px solid transparent;
    transition: background var(--transition-smooth), transform 0.15s, box-shadow var(--transition-smooth);
    white-space: nowrap;
}

.btn-header ph-icon,
.btn-header [class*="ph-"] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-header:hover {
    background: var(--color-primary-hover, #FFA333);
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(255, 140, 0, 0.35);
}

.btn-header:active {
    transform: translateY(0);
}

/* ── HAMBURGER (mobile toggle) ───────────────────────────────────────────── */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 0;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    flex-shrink: 0;
    order: 3;
}

.nav-toggle:hover {
    background: rgba(255, 140, 0, 0.15);
    border-color: rgba(255, 140, 0, 0.3);
}

.hamburger-line {
    display: block;
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
    pointer-events: none;
}

/* Hamburger → X quando aberto */
.nav-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
    width: 0;
}

.nav-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Indicador de seção ativa (barra lateral no mobile) ──────────────────── */
@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100dvh;
        background: rgba(8, 10, 18, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 0;

        /* Oculto por padrão */
        opacity: 0;
        pointer-events: none;
        transform: translateY(-12px);
        transition: opacity 0.3s ease, transform 0.3s ease;
        z-index: -1;
    }

    .main-nav.nav-open {
        opacity: 1;
        pointer-events: all;
        transform: translateY(0);
    }

    .main-nav ul {
        flex-direction: column;
        gap: 8px;
        width: 100%;
        max-width: 320px;
        text-align: center;
    }

    .main-nav a {
        font-size: 1.4rem;
        padding: 16px 24px;
        width: 100%;
        justify-content: center;
        letter-spacing: 1.5px;
        border-radius: 12px;
    }

    .main-nav a::after {
        display: none;
    }

    .main-nav a.active {
        background: rgba(255, 140, 0, 0.1);
        border: 1px solid rgba(255, 140, 0, 0.25);
    }

    .header-cta {
        display: none;
    }

    /* Fecha o overlay com o botão flutuante de WA no mobile */
}

@media (max-width: 480px) {
    .header-container {
        padding: 0 16px;
    }
}

/* ── Empurra o conteúdo para baixo do header fixo ───────────────────────── */
body {
    padding-top: 0; /* O hero já cobre o header — outras páginas devem adicionar padding-top manualmente */
}