/* ==========================================================================
   JBC — Base
   Reset, design tokens e fundamentos tipográficos.
   Os tokens seguem o JBC Design Playbook 2026 (ver /design).
   ========================================================================== */

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

:root {
    /* --- Cores de marca (Design Playbook) --- */
    --brand-01: #990024;
    --brand-02: #CC143F;
    --brand-03: #FF003C;
    --brand-01-dark: #7A001C; /* apoio: fundo de gradiente das seções de marca */

    /* --- Escala de cinza (Design Playbook) --- */
    --dark-3: #2B2E33;
    --dark-2: #565B66;
    --dark-1: #6B768A;
    --mid-grey: #D6D6D6;
    --light-3: #EFEFEF;
    --light-2: #F5F5F5;
    --light-1: #F9F9F9;
    --white: #FFFFFF;

    /* --- Aliases semânticos usados pelos componentes --- */
    --brand-primary: var(--brand-01);
    --brand-secondary: var(--brand-02);
    --dark: var(--dark-3);
    --gray: var(--dark-2);
    --light-gray: var(--light-2);
    --border: var(--light-3);

    /* --- Layout --- */
    --nav-height: 72px;
    --container-max: 1200px;
    --container-gutter: 40px;
    --radius: 8px;
    --radius-lg: 12px;

    /* --- Movimento --- */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --reveal-duration: 1.4s;
}

html {
    scroll-behavior: smooth;
    /* impede que âncoras fiquem escondidas sob o header fixo */
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: 'Lato', sans-serif;
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
}

/* --------------------------------------------------------------------------
   Acessibilidade
   -------------------------------------------------------------------------- */

/* Visível apenas para leitores de tela */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* Atalho "Pular para o conteúdo" */
.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    z-index: 1100;
    padding: 12px 20px;
    background: var(--brand-primary);
    color: var(--white);
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 var(--radius) var(--radius);
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
}

/* Foco visível e consistente em toda a navegação por teclado */
:focus-visible {
    outline: 3px solid var(--brand-02);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Respeita quem pediu menos movimento no sistema operacional */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}