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

:root {
    --header-height: 70px;
    --primary-yellow: #f5c518;
    --text-light: #ffffff;
    --text-secondary: #e5e5e5;
    --bg-dark: #000000;
    --content-max: 1200px;
    /* Paleta do rodapé (antes indefinidas — quebravam o footer) */
    --accent: #000000;
    --background-color: #ffffff;
    --primary-color: #f5c518;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-light);
    background-color: var(--bg-dark);
    overflow-x: hidden;
    line-height: 1.6;
    min-height: 100vh;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Acessibilidade: foco visível global (só para navegação por teclado) */
:focus-visible {
    outline: 3px solid var(--primary-yellow);
    outline-offset: 2px;
}

/* Utilidades */
.container {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 768px) {
    :root {
        --header-height: 75px;
    }
    
    .container {
        max-width: 720px;
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    :root {
        --header-height: 80px;
    }
    
    .container {
        max-width: 960px;
        padding: 0 2rem;
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1200px;
    }
}

@media (min-width: 1440px) {
    .container {
        max-width: 1320px;
    }
}

/* Botão flutuante do WhatsApp (position movida do inline HTML) */
.link-zap {
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 1200;
    line-height: 0;
    border-radius: 50%;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.25s ease;
}

.link-zap:hover {
    transform: scale(1.06);
}

.link-zap:focus-visible {
    outline: 3px solid var(--primary-yellow);
    outline-offset: 3px;
}

/* Previne flash de conteúdo não estilizado */
body.loading {
    opacity: 0;
}

body.loaded {
    opacity: 1;
    transition: opacity 0.3s ease-in;
}