:root {
    /* Novo tema claro */
    --bg-light: #f8f9fa; /* Solicitado */
    --ink-black: #0d1b2a;
    --prussian-blue: #1b263b;
    --dusk-blue: #415a77;
    --dusty-denim: #778da9;
    --alabaster-grey: #e0e1dd;
    --text-main: #1e293b; /* Slate 800 */
    --text-muted: #64748b; /* Slate 500 */
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-light);
    color: var(--text-main);
}

.fundo-principal {
    background-color: var(--prussian-blue);
}

.fundo-secundario {
    background-color: #ffffff; /* Fundo branco para seções alternadas */
}

.fundo-claro {
    background-color: #ffffff;
}

.texto-destaque {
    color: var(--dusk-blue);
}

.borda-destaque {
    border-color: var(--dusk-blue);
}

.hover-destaque:hover {
    background-color: var(--dusty-denim);
}

.cartao-elevado {
    transition: transform 300ms ease-in-out, box-shadow 300ms ease-in-out, background-color 300ms ease-in-out;
}

.cartao-elevado:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.45);
}

.animacao-fade-in {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 500ms ease-out, transform 500ms ease-out;
}

.animacao-fade-in.ativo {
    opacity: 1;
    transform: translateY(0);
}

.suave {
    transition: all 300ms ease-in-out;
}