/* ==========================================
   HEADER / MENU DE NAVEGAÇÃO - GACCE
   ========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
}

/* Header com scroll (fica com mais sombra) */
.header--scrolled {
    background-color: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3xl);
    padding-top: var(--space-lg);
    padding-bottom: var(--space-lg);
    transition: padding var(--transition-base);
}

.header--scrolled .header__container {
    padding-top: var(--space-md);
    padding-bottom: var(--space-md);
}


/* ==========================================
   LOGO
   ========================================== */

.header__logo {
    display: flex;
    align-items: center;
    z-index: var(--z-fixed);
    flex-shrink: 0;
}

.header__logo-img {
    height: 65px;
    width: auto;
    transition: height var(--transition-base);
}

.header--scrolled .header__logo-img {
    height: 45px;
}


/* ==========================================
   NAVEGAÇÃO (DESKTOP)
   ========================================== */

.header__nav {
    display: flex;
    align-items: center;
}

.header__nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.header__nav-link {
    position: relative;
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--space-sm) 0;
    transition: color var(--transition-fast);
}

.header--scrolled .header__nav-link {
    color: var(--color-gray-700);
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: width var(--transition-base);
}

.header__nav-link:hover::after,
.header__nav-link.active::after {
    width: 100%;
}

.header__nav-link:hover {
    color: var(--color-primary);
}

.header--scrolled .header__nav-link:hover {
    color: var(--color-primary);
}


/* ==========================================
   BOTÃO WHATSAPP (DESKTOP)
   ========================================== */

.header__whatsapp {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    background-color: #25D366;
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.header__whatsapp:hover {
    background-color: #20BA5A;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-whatsapp__icon {
    width: 18px;
    height: 18px;
    filter: brightness(0) invert(1);
}


/* ==========================================
   MENU HAMBURGER (MOBILE)
   ========================================== */

.header__toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: var(--z-fixed);
}

.header__toggle-line {
    width: 100%;
    height: 3px;
    background-color: var(--color-gray-700);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.header--scrolled .header__toggle-line {
    background-color: var(--color-gray-700);
}

/* Menu aberto - animação X */
.header__toggle.active .header__toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.header__toggle.active .header__toggle-line:nth-child(2) {
    opacity: 0;
}

.header__toggle.active .header__toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}


/* ==========================================
   MOBILE (até 1023px)
   ========================================== */

@media (max-width: 1023px) {
    
    /* Mostrar toggle */
    .header__toggle {
        display: flex;
    }
    
    /* Esconder WhatsApp desktop */
    .header__whatsapp {
        display: none;
    }
    
    /* Menu mobile */
    .header__nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background-color: var(--color-white);
        box-shadow: var(--shadow-2xl);
        padding: var(--space-5xl) var(--space-xl) var(--space-3xl);
        transition: right var(--transition-slow);
        overflow-y: auto;
    }
    
    /* Menu aberto */
    .header__nav.show {
        right: 0;
    }
    
    /* Lista mobile */
    .header__nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-lg);
    }
    
    /* Links mobile */
    .header__nav-link {
        color: var(--color-gray-700);
        font-size: var(--font-size-base);
        padding: var(--space-sm) 0;
        width: 100%;
    }
    
    .header__nav-link::after {
        background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    }
    
    /* WhatsApp no menu mobile */
    .header__nav::after {
        content: '';
        display: block;
        margin-top: var(--space-3xl);
        padding-top: var(--space-xl);
        border-top: 1px solid var(--color-gray-200);
    }
    
    /* Overlay escuro */
    .header__overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-base);
        z-index: calc(var(--z-fixed) - 1);
    }
    
    .header__overlay.show {
        opacity: 1;
        pointer-events: all;
    }
}


/* ==========================================
   TABLET (768px - 1023px)
   ========================================== */

@media (min-width: 768px) and (max-width: 1023px) {
    .header__nav {
        width: 60%;
        max-width: 400px;
    }
}


/* ==========================================
   DESKTOP PEQUENO (1024px - 1200px)
   ========================================== */

@media (min-width: 1024px) and (max-width: 1200px) {
    .header__nav-list {
        gap: var(--space-lg);
    }
    
    .header__nav-link {
        font-size: 0.8125rem; /* 13px */
    }
}