:root {
    --cor-primaria: #16a34a;
    --cor-primaria-hover: #15803d;
    --cor-primaria-clara: #22c55e;
    --cor-fundo-suave: #f0fdf4;

    --cor-texto-principal: #111827;
    --cor-texto-secundario: #374151;
    --cor-borda: #e5e7eb;
    --cor-fundo-pagina: #ffffff;
    --cor-fundo-cinza: #f3f4f6;

    --fonte-principal: 'Saira', sans-serif;
    
    --espaco-xs: 4px;
    --espaco-sm: 8px;
    --espaco-md: 16px;
    --espaco-lg: 24px;
    --espaco-xl: 32px;

    --radio-border: 8px;
    --radio-pill: 50px;
    --sombra-suave: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --sombra-card: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    --header-height-mobile: 60px;
    --header-height-desktop: 75px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--fonte-principal);
    background-color: var(--cor-fundo-pagina);
    color: var(--cor-texto-principal);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    padding-top: var(--header-height-mobile);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

html {
    scroll-behavior: smooth;
}

.btn-primary {
    display: inline-block;
    background-color: var(--cor-primaria);
    color: #fff;
    padding: 10px 24px;
    border-radius: var(--radio-border);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
    text-align: center;
}

.btn-primary:hover {
    background-color: var(--cor-primaria-hover);
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    border: 2px solid var(--cor-primaria);
    color: var(--cor-primaria);
    padding: 8px 22px;
    border-radius: var(--radio-border);
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--cor-fundo-suave);
}

.global-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height-mobile);
    background-color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--espaco-md);
    box-shadow: var(--sombra-suave);
    z-index: 1000;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--espaco-sm);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--cor-primaria);
}

.header-logo img {
    height: 52px;
    width: auto;
}

.mobile-controls {
    display: flex;
    align-items: center;
    gap: var(--espaco-md);
}

.mobile-login-btn, .menu-btn {
    font-size: 1.5rem;
    color: var(--cor-texto-secundario);
    background: none;
    border: none;
    cursor: pointer;
}

.global-nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: #fff;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    z-index: 1100;
    transition: right 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
}

.global-nav-menu.active {
    right: 0;
}

.nav-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--espaco-md);
    border-bottom: 1px solid var(--cor-borda);
    font-weight: 700;
    color: var(--cor-primaria);
}

.menu-close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--cor-texto-secundario);
    cursor: pointer;
}

.nav-menu-list {
    padding: var(--espaco-md);
    display: flex;
    flex-direction: column;
    gap: var(--espaco-md);
}

.nav-menu-list li a {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--cor-texto-secundario);
    display: block;
    padding: var(--espaco-sm) 0;
}

.nav-menu-list li a:hover {
    color: var(--cor-primaria);
}

.mobile-login-item a {
    color: var(--cor-primaria);
    font-weight: 700;
}

.desktop-header {
    display: none;
}

@media (min-width: 1024px) {
    
    body {
        padding-top: var(--header-height-desktop);
    }

    .global-header {
        display: none;
    }

    .desktop-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: var(--header-height-desktop);
        background-color: #fff;
        box-shadow: var(--sombra-suave);
        z-index: 1000;
        display: flex;
        justify-content: center;
    }

    .desktop-header-content {
        width: 100%;
        max-width: 1200px;
        padding: 0 var(--espaco-lg);
        display: flex;
        align-items: center;
        justify-content: flex-start; 
    }

    .desktop-header-content .header-logo {
        margin-right: auto;
    }

    .desktop-header-content .header-logo img {
        height: 45px;
    }

    .desktop-nav {
        margin-right: 32px;
    }

    .desktop-nav ul {
        display: flex;
        align-items: center; 
        gap: 32px;
    }

    .desktop-nav a:not(.nav-btn-loja) {
        font-weight: 600;
        color: var(--cor-texto-secundario);
        font-size: 1.2rem;
        position: relative;
        padding-bottom: 5px;
        transition: color 0.3s ease;
    }

    .desktop-nav a:not(.nav-btn-loja):hover {
        color: var(--cor-primaria);
    }

    .desktop-nav a:not(.nav-btn-loja)::after {
        content: '';
        position: absolute;
        width: 0%;
        height: 3px;
        bottom: 0;
        left: 0;
        background-color: var(--cor-primaria);
        transition: width 0.3s ease-in-out;
        border-radius: 2px;
    }

    .desktop-nav a:not(.nav-btn-loja):hover::after {
        width: 100%;
    }

    .nav-btn-loja {
        background-color: var(--cor-primaria); 
        color: #ffffff !important; 
        padding: 8px 24px;
        border-radius: 6px; 
        font-weight: 700;
        font-size: 1.1rem;
        transition: background-color 0.3s ease;
        display: inline-block;
    }

    .nav-btn-loja:hover {
        background-color: var(--cor-primaria-hover); 
    }

    .desktop-login-btn {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--cor-texto-secundario);
        font-weight: 600;
        transition: color 0.2s;
    }
    
    .desktop-login-btn:hover {
        color: var(--cor-primaria);
    }
    
    .desktop-login-btn i {
        font-size: 2.3rem;
    }
    
    .desktop-login-btn.logged-in {
        background-color: var(--cor-fundo-suave);
        padding: 8px 16px;
        border-radius: var(--radio-pill);
        color: var(--cor-primaria-hover);
    }
}