/* ==========================================================================
   1. VARIÁVEIS / DESIGN TOKENS (WCAG-friendly e responsivas)
   ========================================================================== */
:root {
    --cor-primaria: #950606;
    --cor-secundaria: #0d47a1;
    --cor-fundo: #F1E9D2;
    --cor-fundo-alt: #e8dcc5;
    --cor-texto: #0F0F0F;
    --cor-texto-suave: #2b2b2b;
    --cor-links: #124c95;
    --borda-suave: #ddcfb2;

    --fonte-principal: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --tam-h1: clamp(1.5rem, 2.6vw, 2.25rem);
    --tam-h2: clamp(1.25rem, 2.1vw, 1.75rem);
    --tam-h3: clamp(1.125rem, 1.8vw, 1.375rem);
    --tam-corpo: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --tam-pequeno: clamp(0.875rem, 0.85rem + 0.15vw, 0.95rem);

    --espacamento-base: 1rem;
    --espacamento-bloco: clamp(2rem, 5vw, 4rem);
    --raio-base: 0.25rem;
    --raio-card: 0.9rem;
    --transicao-base: 180ms ease;
    --sombra-suave: none;
    --sombra-hover: none;
}

/* ==========================================================================
   2. RESET E BASES
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
    font-family: var(--fonte-principal);
    color: var(--cor-texto);
    background-color: var(--cor-fundo);
    font-size: 100%;
    line-height: 1.6;
    color-scheme: light;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: var(--tam-corpo);
    background-color: var(--cor-fundo);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

img, svg, video {
    max-width: 100%;
    height: auto;
}

p, li, address, span, strong, em, small, blockquote, figcaption {
    font-size: var(--tam-corpo);
}

main:focus {
    outline: none;
}

/* ==========================================================================
   3. ACESSIBILIDADE
   ========================================================================== */
.skip-link {
    position: absolute;
    top: -10rem;
    left: 1rem;
    background-color: var(--cor-primaria);
    color: var(--cor-fundo);
    padding: var(--espacamento-base);
    font-weight: 700;
    text-decoration: none;
    z-index: 9999;
    border-radius: 0 0 var(--raio-base) var(--raio-base);
    transition: transform 0.2s ease-in-out;
}

.skip-link:focus-visible {
    transform: translateY(10rem);
}

*:focus-visible {
    outline: 0.2rem solid var(--cor-secundaria);
    outline-offset: 0.2rem;
}

/* ==========================================================================
   4. TIPOGRAFIA E LINKS
   ========================================================================== */
h1, h2, h3 {
    line-height: 1.2;
    color: var(--cor-texto);
    font-weight: 600;
    letter-spacing: -0.01em;
}

h1 { font-size: var(--tam-h1); }
h2 { font-size: var(--tam-h2); }
h3 { font-size: var(--tam-h3); }

a {
    color: var(--cor-links);
    text-decoration: underline;
    text-underline-offset: 0.2rem;
    text-decoration-thickness: 0.0625rem;
    transition: color var(--transicao-base), text-decoration-thickness var(--transicao-base), background-color var(--transicao-base), border-color var(--transicao-base);
}

a:hover,
a:focus-visible,
a:active {
    color: var(--cor-primaria);
    text-decoration-thickness: 0.125rem;
}

a:focus-visible {
    outline-offset: 0.15rem;
}

/* ==========================================================================
   5. LAYOUT E COMPONENTES
   ========================================================================== */
header, main, footer {
    width: 100%;
    max-width: 75rem;
    margin-inline: auto;
    padding-inline: var(--espacamento-base);
}

header {
    width: 100%;
    max-width: none;
    padding: 1.35rem 1.3rem 1.15rem;
    display: flex;
    flex-direction: column;
    gap: 0.95rem;
    align-items: flex-start;
    background: var(--cor-primaria);
    margin: 0 0 1rem;
    position: relative;
    color: var(--cor-fundo);
}

header h1 {
    max-width: 46ch;
    line-height: 1.12;
    letter-spacing: -0.015em;
    margin-bottom: 0.15rem;
    color: var(--cor-fundo);
    font-weight: 700;
}

header h1 a {
    color: var(--cor-fundo);
    text-decoration: none;
    display: inline-block;
}

header a {
    color: var(--cor-fundo);
}

header a:hover,
header a:focus-visible,
header a:active {
    color: var(--cor-fundo-alt);
}

nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.8rem;
    align-items: center;
    width: 100%;
    padding-top: 0.1rem;
}

nav a {
    text-decoration: none;
    font-weight: 600;
    padding: 0.35rem 0;
    display: inline-block;
    color: var(--cor-fundo);
    transition: color var(--transicao-base), opacity var(--transicao-base);
}

nav a:hover,
nav a:focus-visible {
    color: var(--cor-fundo-alt);
    text-decoration: underline;
    text-underline-offset: 0.2rem;
}

main {
    flex: 1;
    padding-block: var(--espacamento-base);
}

main section {
    padding: clamp(1.15rem, 2.6vw, 1.7rem);
    display: flex;
    flex-direction: column;
    gap: 0.95rem;
    max-width: 72ch;
    margin-block: 0.95rem;
    border: 0.0625rem solid rgba(221, 207, 178, 0.6);
    border-radius: var(--raio-card);
    background: rgba(255, 255, 255, 0.8);
}

main section:nth-child(even) {
    background: rgba(255, 255, 255, 0.86);
    border-left: 0.2rem solid var(--cor-secundaria);
}

main section p {
    max-width: 72ch;
    color: var(--cor-texto-suave);
    margin-top: 0.1rem;
}

address {
    font-style: normal;
}

address p + p {
    margin-top: 0.5rem;
}

footer {
    padding: 1.05rem 1rem 1.15rem;
    border-top: 0.0625rem solid rgba(221, 207, 178, 0.7);
    display: flex;
    flex-direction: column;
    gap: 0.95rem;
    margin-top: 1rem;
}

.footer-grid {
    display: grid;
    gap: 0.8rem;
    align-items: start;
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    padding: 0;
    border: 0;
    min-height: auto;
}

.footer-section > * {
    width: 100%;
}

.footer-brand a {
    color: var(--cor-texto);
    text-decoration: none;
}

.footer-section h3 {
    margin-top: 0;
    font-size: 0.95rem;
    color: var(--cor-texto);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.footer-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.footer-links-list {
    margin: 0;
}

.footer-section a {
    display: inline-block;
    line-height: 1.4;
    color: var(--cor-links);
}

.footer-social-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.7rem;
    align-items: flex-start;
}

.footer-social-links a {
    padding: 0;
    text-decoration: underline;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.footer-social-links a:hover,
.footer-social-links a:focus-visible {
    background-color: var(--cor-primaria);
    color: var(--cor-fundo);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-top: 0.7rem;
    border-top: 0.0625rem solid var(--borda-suave);
    font-size: var(--tam-pequeno);
    color: var(--cor-texto-suave);
    align-items: flex-start;
    opacity: 0.95;
}

/* ==========================================================================
   5B. BREADCRUMB
   ========================================================================== */
.breadcrumb {
    padding: 0.6rem 1rem;
    font-size: var(--tam-pequeno);
    border-bottom: 0.0625rem solid var(--borda-suave);
    background-color: var(--cor-fundo-alt);
}

.breadcrumb ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    font-size: var(--tam-pequeno);
}

.breadcrumb li + li::before {
    content: "\203A";
    margin: 0 0.4rem;
    color: var(--cor-texto-suave);
    font-size: 1rem;
    line-height: 1;
}

.breadcrumb a {
    color: var(--cor-links);
    text-decoration: underline;
    text-underline-offset: 0.15rem;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
    color: var(--cor-primaria);
}

.breadcrumb [aria-current="page"] {
    color: var(--cor-texto);
    font-weight: 600;
    text-decoration: none;
}

/* ==========================================================================
   6. RESPONSIVIDADE E REDUÇÃO DE MOVIMENTO
   ========================================================================== */
@media (max-width: 47.9375rem) {
    header {
        padding-block: 1rem;
    }

    nav ul {
        gap: 0.375rem 0.75rem;
    }

    main section {
        gap: 0.75rem;
    }
}

@media (min-width: 48rem) {
    header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 1.25rem;
    }

    header h1 {
        max-width: 58%;
    }

    nav ul {
        justify-content: flex-end;
        width: auto;
    }

    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 64rem) {
    .footer-grid {
        grid-template-columns: 1.4fr 0.8fr 0.8fr;
    }

    main section {
        padding-block: clamp(2.5rem, 4vw, 3.5rem);
    }
}

@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;
    }
}