/* =========================================================================
   Avantgarde Astronomia — folha de estilo principal
   1. Fundamentos e variáveis      6. Quiz
   2. Céu de fundo                 7. Resultado
   3. Estruturas e tipografia      8. Conteúdo editorial
   4. Cabeçalho e rodapé           9. Rodapé
   5. Componentes                 10. Responsivo e preferências
   ========================================================================= */

/* 1. Fundamentos ---------------------------------------------------------- */

:root {
    --tinta-abissal: #04050f;
    --tinta-profunda: #070a1c;
    --tinta-noturna: #0b1030;
    --tinta-elevada: #141a3d;

    --superficie: rgba(19, 25, 58, 0.62);
    --superficie-alta: rgba(28, 35, 76, 0.78);
    --superficie-vidro: rgba(11, 16, 42, 0.72);
    --borda: rgba(150, 165, 255, 0.14);
    --borda-forte: rgba(160, 175, 255, 0.28);

    --texto: #eaeefc;
    --texto-medio: #b3bce4;
    --texto-suave: #8a93c2;

    --ciano: #56d9ff;
    --ciano-claro: #9fe9ff;
    --violeta: #8b5cf6;
    --violeta-claro: #b79bff;
    --ambar: #fbbf24;
    --sucesso: #3ddc97;
    --erro: #ff6b8b;

    --tom-a: var(--ciano);
    --tom-b: var(--violeta);

    --raio-p: 10px;
    --raio-m: 16px;
    --raio-g: 24px;
    --raio-xg: 34px;

    --sombra-baixa: 0 2px 10px rgba(2, 4, 16, 0.4);
    --sombra-media: 0 18px 40px -18px rgba(2, 4, 20, 0.9);
    --sombra-alta: 0 40px 90px -40px rgba(0, 0, 0, 0.95);

    --fonte-titulo: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
    --fonte-texto: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

    --largura: 1200px;
    --largura-texto: 720px;

    --transicao: 220ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--tinta-abissal);
    color: var(--texto);
    font-family: var(--fonte-texto);
    font-size: clamp(1rem, 0.97rem + 0.15vw, 1.075rem);
    line-height: 1.68;
    letter-spacing: 0.005em;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a {
    color: var(--ciano-claro);
    text-decoration-color: rgba(86, 217, 255, 0.35);
    text-underline-offset: 3px;
    transition: color var(--transicao), text-decoration-color var(--transicao);
}

a:hover {
    color: #ffffff;
    text-decoration-color: currentColor;
}

:focus-visible {
    outline: 2px solid var(--ciano);
    outline-offset: 3px;
    border-radius: 4px;
}

::selection {
    background: rgba(139, 92, 246, 0.45);
    color: #fff;
}

/* 2. Céu de fundo --------------------------------------------------------- */

.ceu {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(1200px 780px at 78% -8%, rgba(88, 62, 190, 0.42), transparent 62%),
        radial-gradient(980px 700px at 12% 8%, rgba(21, 84, 168, 0.34), transparent 60%),
        linear-gradient(180deg, #070a1e 0%, #05060f 45%, #04050c 100%);
}

.ceu__estrelas,
.ceu__estrelas--lenta {
    position: absolute;
    inset: -50% -10% -10%;
    background-repeat: repeat;
    opacity: 0.75;
}

.ceu__estrelas {
    background-image:
        radial-gradient(1.4px 1.4px at 24px 38px, rgba(255, 255, 255, 0.92), transparent),
        radial-gradient(1px 1px at 142px 96px, rgba(206, 224, 255, 0.75), transparent),
        radial-gradient(1.2px 1.2px at 268px 42px, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 92px 214px, rgba(190, 210, 255, 0.7), transparent),
        radial-gradient(1.6px 1.6px at 322px 188px, rgba(255, 255, 255, 0.85), transparent),
        radial-gradient(1px 1px at 210px 268px, rgba(170, 200, 255, 0.6), transparent),
        radial-gradient(1.1px 1.1px at 380px 310px, rgba(255, 255, 255, 0.55), transparent);
    background-size: 420px 360px;
    animation: deriva 240s linear infinite;
}

.ceu__estrelas--lenta {
    background-image:
        radial-gradient(2px 2px at 60px 120px, rgba(159, 233, 255, 0.9), transparent),
        radial-gradient(1.8px 1.8px at 470px 260px, rgba(183, 155, 255, 0.85), transparent),
        radial-gradient(2.2px 2.2px at 300px 480px, rgba(255, 255, 255, 0.75), transparent),
        radial-gradient(1.6px 1.6px at 620px 80px, rgba(255, 220, 180, 0.7), transparent);
    background-size: 760px 620px;
    opacity: 0.6;
    animation: cintilar 9s ease-in-out infinite alternate, deriva 420s linear infinite reverse;
}

.ceu__nevoa {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.5;
}

.ceu__nevoa--violeta {
    width: 46vw;
    height: 46vw;
    top: -12vw;
    right: -8vw;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.55), transparent 68%);
    animation: flutuar 26s ease-in-out infinite alternate;
}

.ceu__nevoa--azul {
    width: 40vw;
    height: 40vw;
    top: 42vh;
    left: -14vw;
    background: radial-gradient(circle, rgba(14, 116, 189, 0.42), transparent 68%);
    animation: flutuar 34s ease-in-out infinite alternate-reverse;
}

.ceu__horizonte {
    position: absolute;
    inset: auto 0 0 0;
    height: 38vh;
    background: linear-gradient(180deg, transparent, rgba(4, 5, 14, 0.85) 70%, #04050c);
}

@keyframes deriva {
    from { transform: translate3d(0, 0, 0); }
    to   { transform: translate3d(-420px, 360px, 0); }
}

@keyframes cintilar {
    from { opacity: 0.35; }
    to   { opacity: 0.8; }
}

@keyframes flutuar {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(3vw, 4vh, 0) scale(1.12); }
}

/* 3. Estruturas e tipografia ---------------------------------------------- */

.envoltorio {
    width: min(100% - 2.5rem, var(--largura));
    margin-inline: auto;
}

.principal {
    display: block;
    padding-bottom: clamp(3rem, 6vw, 6rem);
}

.secao {
    padding-block: clamp(3rem, 7vw, 6rem);
    position: relative;
}

.secao--estreita {
    padding-block: clamp(2.25rem, 4.5vw, 3.75rem);
}

h1, h2, h3, h4 {
    font-family: var(--fonte-titulo);
    line-height: 1.14;
    letter-spacing: -0.02em;
    margin: 0 0 0.6em;
    text-wrap: balance;
}

h1 {
    font-size: clamp(2.15rem, 1.5rem + 3.1vw, 4.2rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.6rem, 1.28rem + 1.5vw, 2.5rem);
    font-weight: 600;
}

h3 {
    font-size: clamp(1.14rem, 1.05rem + 0.45vw, 1.4rem);
    font-weight: 600;
}

p {
    margin: 0 0 1.1em;
}

.olho {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--fonte-titulo);
    font-size: 0.775rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ciano-claro);
    margin-bottom: 1.1rem;
}

.olho::before {
    content: "";
    width: 26px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--ciano));
}

.texto-guia {
    color: var(--texto-medio);
    font-size: 1.06rem;
    max-width: 62ch;
}

.cabecalho-secao {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: clamp(1.75rem, 3vw, 2.75rem);
}

.cabecalho-secao p {
    margin-bottom: 0;
}

.pular-para-conteudo {
    position: absolute;
    left: 1rem;
    top: -100px;
    z-index: 200;
    background: var(--ciano);
    color: #04050f;
    padding: 0.7rem 1.2rem;
    border-radius: var(--raio-p);
    font-weight: 600;
    transition: top 160ms ease;
}

.pular-para-conteudo:focus {
    top: 1rem;
    color: #04050f;
}

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

/* 4. Cabeçalho ------------------------------------------------------------ */

.topo {
    position: sticky;
    top: 0;
    z-index: 90;
    backdrop-filter: blur(18px) saturate(140%);
    background: linear-gradient(180deg, rgba(6, 8, 24, 0.92), rgba(6, 8, 24, 0.62));
    border-bottom: 1px solid rgba(150, 165, 255, 0.1);
}

.topo__interno {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    min-height: 72px;
}

.marca {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    text-decoration: none;
    color: var(--texto);
    flex-shrink: 0;
}

.marca__simbolo {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 11px;
    object-fit: cover;
    background: #050505;
    box-shadow: 0 8px 20px -10px rgba(214, 28, 102, 0.65);
}

.marca__texto {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
    font-family: var(--fonte-titulo);
}

.marca__texto strong {
    font-size: 1.06rem;
    font-weight: 700;
    letter-spacing: -0.015em;
}

.marca__texto span {
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--texto-suave);
}

.menu {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    margin-left: auto;
}

.menu__lista {
    display: flex;
    align-items: center;
    gap: 1.6rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu__lista a {
    color: var(--texto-medio);
    text-decoration: none;
    font-size: 0.94rem;
    font-weight: 500;
    position: relative;
    padding-block: 0.35rem;
}

.menu__lista a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--ciano), var(--violeta));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transicao);
}

.menu__lista a:hover,
.menu__lista a:focus-visible {
    color: #fff;
}

.menu__lista a:hover::after {
    transform: scaleX(1);
}

.alternador-menu {
    display: none;
    margin-left: auto;
    align-items: center;
    gap: 0.6rem;
    background: var(--superficie);
    border: 1px solid var(--borda);
    color: var(--texto);
    border-radius: var(--raio-p);
    padding: 0.5rem 0.85rem;
    font: inherit;
    font-size: 0.85rem;
    cursor: pointer;
}

.alternador-menu__linhas {
    display: grid;
    gap: 4px;
    width: 18px;
}

.alternador-menu__linhas span {
    height: 2px;
    border-radius: 2px;
    background: var(--ciano-claro);
    transition: transform var(--transicao), opacity var(--transicao);
}

.alternador-menu[aria-expanded="true"] .alternador-menu__linhas span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.alternador-menu[aria-expanded="true"] .alternador-menu__linhas span:nth-child(2) {
    opacity: 0;
}

.alternador-menu[aria-expanded="true"] .alternador-menu__linhas span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* 5. Componentes ---------------------------------------------------------- */

.botao {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    font-family: var(--fonte-titulo);
    font-size: 0.98rem;
    font-weight: 600;
    letter-spacing: 0.005em;
    padding: 0.92rem 1.65rem;
    border-radius: 999px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: transform var(--transicao), box-shadow var(--transicao),
                background var(--transicao), border-color var(--transicao), color var(--transicao);
}

.botao:hover {
    transform: translateY(-2px);
}

.botao:active {
    transform: translateY(0);
}

.botao--primario {
    background: linear-gradient(135deg, #6ee0ff 0%, #7c6bff 55%, #a855f7 100%);
    color: #05060f;
    box-shadow: 0 14px 34px -14px rgba(124, 107, 255, 0.95), inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.botao--primario:hover {
    color: #05060f;
    box-shadow: 0 20px 44px -14px rgba(124, 107, 255, 1), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.botao--fantasma {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--borda-forte);
    color: var(--texto);
    backdrop-filter: blur(8px);
}

.botao--fantasma:hover {
    background: rgba(139, 92, 246, 0.14);
    border-color: rgba(159, 233, 255, 0.5);
    color: #fff;
}

.botao--compacto {
    padding: 0.62rem 1.15rem;
    font-size: 0.88rem;
}

.botao--largo {
    width: 100%;
}

.botao--grande {
    padding: 1.05rem 2.2rem;
    font-size: 1.06rem;
}

.grupo-botoes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.painel {
    background: var(--superficie);
    border: 1px solid var(--borda);
    border-radius: var(--raio-g);
    backdrop-filter: blur(16px);
    box-shadow: var(--sombra-media);
}

.trilha {
    padding-block: 1.35rem 0.25rem;
    font-size: 0.85rem;
    color: var(--texto-suave);
}

.trilha ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.trilha li:not(:last-child)::after {
    content: "/";
    margin-left: 0.5rem;
    color: rgba(150, 165, 255, 0.4);
}

.trilha a {
    color: var(--texto-suave);
    text-decoration: none;
}

.trilha a:hover {
    color: var(--ciano-claro);
}

.trilha [aria-current="page"] {
    color: var(--texto-medio);
}

.selo-nivel {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--texto-medio);
    background: rgba(10, 14, 38, 0.6);
    border: 1px solid var(--borda);
    border-radius: 999px;
    padding: 0.28rem 0.7rem;
    white-space: nowrap;
}

.selo-nivel__barras {
    display: inline-flex;
    align-items: flex-end;
    gap: 2px;
    height: 11px;
}

.selo-nivel__barra {
    width: 3px;
    border-radius: 2px;
    background: rgba(150, 165, 255, 0.24);
}

.selo-nivel__barra:nth-child(1) { height: 5px; }
.selo-nivel__barra:nth-child(2) { height: 8px; }
.selo-nivel__barra:nth-child(3) { height: 11px; }

.selo-nivel--facil .esta-ativa   { background: var(--sucesso); }
.selo-nivel--medio .esta-ativa   { background: var(--ambar); }
.selo-nivel--dificil .esta-ativa { background: var(--erro); }

.etiqueta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ciano-claro);
    background: rgba(86, 217, 255, 0.1);
    border: 1px solid rgba(86, 217, 255, 0.24);
    border-radius: 999px;
    padding: 0.3rem 0.75rem;
}

.icone {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.icone--grande {
    width: 34px;
    height: 34px;
    stroke-width: 1.35;
}

/* Herói --------------------------------------------------------------- */

.heroi {
    position: relative;
    padding-block: clamp(3rem, 8vw, 7rem) clamp(3rem, 7vw, 6rem);
    overflow: hidden;
}

.heroi__fundo {
    position: absolute;
    inset: -10% -10% auto -10%;
    width: 120%;
    height: 118%;
    object-fit: cover;
    object-position: 72% 28%;
    opacity: 0.62;
    z-index: -1;
    -webkit-mask-image: radial-gradient(120% 92% at 78% 22%, #000 12%, rgba(0, 0, 0, 0.35) 58%, transparent 82%);
    mask-image: radial-gradient(120% 92% at 78% 22%, #000 12%, rgba(0, 0, 0, 0.35) 58%, transparent 82%);
}

.heroi__interno {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 4.5rem);
}

.heroi__titulo {
    margin-bottom: 1.1rem;
}

.heroi__titulo em {
    font-style: normal;
    background: linear-gradient(105deg, #7ee6ff 10%, #b79bff 55%, #f0abfc 95%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.heroi__texto {
    font-size: clamp(1.03rem, 0.99rem + 0.25vw, 1.2rem);
    color: var(--texto-medio);
    max-width: 54ch;
    margin-bottom: 2rem;
}

.heroi__acoes {
    margin-bottom: 2.4rem;
}

.heroi__numeros {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(1.5rem, 4vw, 3rem);
    list-style: none;
    margin: 0;
    padding: 0;
}

.heroi__numeros dt {
    font-family: var(--fonte-titulo);
    font-size: clamp(1.6rem, 1.3rem + 1.1vw, 2.2rem);
    font-weight: 700;
    line-height: 1;
    background: linear-gradient(120deg, #8fe9ff, #b79bff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.heroi__numeros dd {
    margin: 0.35rem 0 0;
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--texto-suave);
}

/* Composição visual do herói */

.orbita {
    position: relative;
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    isolation: isolate;
}

.orbita__anel {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(159, 233, 255, 0.18);
}

.orbita__anel--um    { inset: 4%;  animation: girar 48s linear infinite; }
.orbita__anel--dois  { inset: 18%; border-color: rgba(183, 155, 255, 0.22); animation: girar 34s linear infinite reverse; }
.orbita__anel--tres  { inset: 32%; border-color: rgba(255, 255, 255, 0.1); animation: girar 22s linear infinite; }

.orbita__anel::after {
    content: "";
    position: absolute;
    top: -4px;
    left: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ciano-claro);
    box-shadow: 0 0 14px 3px rgba(86, 217, 255, 0.75);
}

.orbita__anel--dois::after {
    background: var(--violeta-claro);
    box-shadow: 0 0 16px 4px rgba(183, 155, 255, 0.7);
    width: 10px;
    height: 10px;
}

.orbita__anel--tres::after {
    background: #ffd7a1;
    box-shadow: 0 0 12px 3px rgba(255, 200, 140, 0.7);
    width: 6px;
    height: 6px;
}

.orbita__astro {
    position: relative;
    width: 46%;
    aspect-ratio: 1;
    border-radius: 50%;
    background:
        radial-gradient(circle at 32% 28%, #a5f3ff 0%, #4fa8ff 26%, #4c2fb8 62%, #150a3a 100%);
    box-shadow:
        inset -18px -22px 50px rgba(0, 0, 0, 0.75),
        inset 8px 10px 30px rgba(255, 255, 255, 0.18),
        0 0 70px 12px rgba(86, 130, 255, 0.35),
        0 0 160px 40px rgba(124, 58, 237, 0.28);
    z-index: 2;
}

.orbita__astro::after {
    content: "";
    position: absolute;
    inset: -22%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(120, 190, 255, 0.22), transparent 62%);
    z-index: -1;
}

.orbita__lampejo {
    position: absolute;
    inset: -10%;
    border-radius: 50%;
    background: conic-gradient(from 200deg, transparent 0deg, rgba(139, 92, 246, 0.25) 90deg, transparent 200deg);
    filter: blur(30px);
    z-index: -1;
}

@keyframes girar {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* Cartões de categoria -------------------------------------------------- */

.grade-categorias {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(258px, 1fr));
    gap: clamp(1rem, 1.8vw, 1.5rem);
}

.cartao-categoria {
    position: relative;
    isolation: isolate;
    padding: 1.6rem 1.5rem 1.4rem;
    border-radius: var(--raio-g);
    background:
        linear-gradient(160deg, rgba(28, 36, 82, 0.72), rgba(9, 13, 34, 0.86));
    border: 1px solid var(--borda);
    overflow: hidden;
    transition: transform var(--transicao), border-color var(--transicao), box-shadow var(--transicao);
}

.cartao-categoria__brilho {
    position: absolute;
    top: -55%;
    right: -35%;
    width: 78%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, var(--tom-a), transparent 66%);
    opacity: 0.16;
    filter: blur(22px);
    transition: opacity var(--transicao), transform var(--transicao);
    z-index: -1;
}

.cartao-categoria::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--tom-a), var(--tom-b), transparent);
    opacity: 0.6;
}

.cartao-categoria:hover,
.cartao-categoria:focus-within {
    transform: translateY(-5px);
    border-color: var(--borda-forte);
    box-shadow: var(--sombra-alta);
}

.cartao-categoria:hover .cartao-categoria__brilho {
    opacity: 0.34;
    transform: scale(1.15);
}

.cartao-categoria__simbolo {
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: 18px;
    margin-bottom: 1.1rem;
    color: var(--tom-a);
    background: linear-gradient(150deg, color-mix(in srgb, var(--tom-a) 22%, transparent), rgba(10, 14, 38, 0.7));
    border: 1px solid color-mix(in srgb, var(--tom-a) 30%, transparent);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.cartao-categoria__titulo {
    font-size: 1.2rem;
    margin-bottom: 0.45rem;
}

.cartao-categoria__titulo a {
    color: var(--texto);
    text-decoration: none;
}

.cartao-categoria:hover .cartao-categoria__titulo a {
    color: #fff;
}

.ligacao-total::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 3;
}

.cartao-categoria__texto {
    color: var(--texto-medio);
    font-size: 0.94rem;
    margin-bottom: 1.1rem;
}

.cartao-categoria__meta {
    margin: 0;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--texto-suave);
    padding-top: 0.9rem;
    border-top: 1px solid rgba(150, 165, 255, 0.1);
}

.cartao-categoria--destaque {
    grid-column: span 2;
    background: linear-gradient(140deg, rgba(46, 34, 110, 0.85), rgba(9, 13, 34, 0.9));
}

/* Faixa de destaque do desafio geral */

.faixa-desafio {
    position: relative;
    isolation: isolate;
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: center;
    gap: clamp(1.5rem, 4vw, 3rem);
    padding: clamp(1.75rem, 4vw, 3.25rem);
    border-radius: var(--raio-xg);
    border: 1px solid rgba(159, 233, 255, 0.22);
    background:
        radial-gradient(120% 160% at 88% 18%, rgba(76, 29, 149, 0.65), transparent 62%),
        linear-gradient(120deg, rgba(30, 38, 92, 0.82), rgba(8, 11, 30, 0.92));
    overflow: hidden;
    box-shadow: var(--sombra-alta);
}

.faixa-desafio::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--tom-a), var(--tom-b), transparent);
}

.faixa-desafio__titulo {
    font-size: clamp(1.7rem, 1.35rem + 1.5vw, 2.6rem);
    margin-bottom: 0.6rem;
}

.faixa-desafio__descricao {
    color: var(--texto-medio);
    max-width: 52ch;
    margin-bottom: 0.9rem;
}

.faixa-desafio__meta {
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--texto-suave);
    margin-bottom: 1.75rem;
}

.faixa-desafio__figura {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 240px;
}

.faixa-desafio__nucleo {
    position: relative;
    display: grid;
    place-items: center;
    width: min(170px, 46%);
    aspect-ratio: 1;
    border-radius: 50%;
    color: #06121f;
    background: radial-gradient(circle at 34% 28%, #d8fbff 0%, var(--tom-a) 38%, var(--tom-b) 100%);
    box-shadow:
        inset -12px -16px 34px rgba(0, 0, 0, 0.55),
        inset 8px 10px 22px rgba(255, 255, 255, 0.28),
        0 0 60px 6px color-mix(in srgb, var(--tom-a) 34%, transparent);
    z-index: 2;
}

.faixa-desafio__nucleo .icone {
    width: 46%;
    height: 46%;
    stroke-width: 1.2;
}

.faixa-desafio__anel {
    position: absolute;
    width: min(280px, 78%);
    aspect-ratio: 1;
    border-radius: 50%;
    border: 1px solid rgba(159, 233, 255, 0.3);
    animation: girar 30s linear infinite;
}

.faixa-desafio__anel::after {
    content: "";
    position: absolute;
    top: -5px;
    left: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--ciano-claro);
    box-shadow: 0 0 16px 4px rgba(86, 217, 255, 0.8);
}

.faixa-desafio__aura {
    position: absolute;
    width: min(360px, 100%);
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--tom-b) 40%, transparent), transparent 66%);
    filter: blur(30px);
}

/* 6. Quiz ----------------------------------------------------------------- */

.quiz-capa {
    position: relative;
    padding-block: clamp(2.5rem, 5vw, 4rem) clamp(2rem, 4vw, 3rem);
}

.quiz-capa__interno {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: center;
}

.esfera-tema {
    position: relative;
    width: min(340px, 78%);
    aspect-ratio: 1;
    margin-inline: auto;
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: #fff;
    background:
        radial-gradient(circle at 34% 28%, color-mix(in srgb, var(--tom-a) 85%, #fff 15%) 0%,
        var(--tom-a) 24%, var(--tom-b) 66%, #0a0a24 100%);
    box-shadow:
        inset -16px -20px 46px rgba(0, 0, 0, 0.7),
        inset 10px 12px 28px rgba(255, 255, 255, 0.16),
        0 0 80px 8px color-mix(in srgb, var(--tom-a) 30%, transparent);
}

.esfera-tema::before {
    content: "";
    position: absolute;
    inset: -16%;
    border-radius: 50%;
    border: 1px solid color-mix(in srgb, var(--tom-a) 32%, transparent);
    animation: girar 40s linear infinite;
}

.esfera-tema::after {
    content: "";
    position: absolute;
    inset: -30%;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--tom-a) 24%, transparent), transparent 62%);
    z-index: -1;
}

.esfera-tema .icone {
    width: 40%;
    height: 40%;
    stroke-width: 1.1;
    filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.55));
}

.formulario-quiz {
    padding: clamp(1.5rem, 3vw, 2.25rem);
    margin-top: 2rem;
}

.campo-grupo {
    border: 0;
    padding: 0;
    margin: 0 0 1.75rem;
}

.campo-grupo legend {
    font-family: var(--fonte-titulo);
    font-size: 0.98rem;
    font-weight: 600;
    margin-bottom: 0.85rem;
    padding: 0;
}

.campo-grupo__ajuda {
    font-size: 0.86rem;
    color: var(--texto-suave);
    margin: -0.5rem 0 0.85rem;
}

.opcoes-linha {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.opcao-pilula {
    position: relative;
}

.opcao-pilula input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
}

.opcao-pilula span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.62rem 1.1rem;
    border-radius: 999px;
    border: 1px solid var(--borda);
    background: rgba(10, 14, 38, 0.55);
    color: var(--texto-medio);
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transicao);
}

.opcao-pilula span:hover {
    border-color: var(--borda-forte);
    color: #fff;
}

.opcao-pilula input:checked + span {
    background: linear-gradient(135deg, rgba(86, 217, 255, 0.22), rgba(139, 92, 246, 0.32));
    border-color: rgba(159, 233, 255, 0.55);
    color: #fff;
    box-shadow: 0 8px 22px -12px rgba(124, 107, 255, 0.9);
}

.opcao-pilula input:focus-visible + span {
    outline: 2px solid var(--ciano);
    outline-offset: 3px;
}

/* Tela de perguntas */

.arena {
    padding-block: clamp(1.5rem, 3vw, 2.5rem) clamp(3rem, 6vw, 5rem);
}

.arena__moldura {
    width: min(100% - 2.5rem, 860px);
    margin-inline: auto;
}

.barra-superior {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.barra-superior__tema {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--fonte-titulo);
    font-weight: 600;
    color: var(--texto);
}

.barra-superior__tema .icone {
    color: var(--tom-a);
}

.barra-superior__contador {
    font-size: 0.9rem;
    color: var(--texto-suave);
}

.barra-superior__contador strong {
    color: var(--ciano-claro);
    font-size: 1.05rem;
}

.progresso {
    height: 8px;
    border-radius: 999px;
    background: rgba(150, 165, 255, 0.12);
    overflow: hidden;
    margin-bottom: 2rem;
    border: 1px solid rgba(150, 165, 255, 0.08);
}

.progresso__preenchimento {
    display: block;
    height: 100%;
    min-width: 10px;
    border-radius: 999px;
    background: linear-gradient(90deg, #56d9ff, #8b5cf6 70%, #d946ef);
    box-shadow: 0 0 18px rgba(124, 107, 255, 0.65);
    transition: width 420ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.pergunta {
    padding: clamp(1.6rem, 3.5vw, 2.6rem);
    position: relative;
    overflow: hidden;
}

.pergunta::before {
    content: "";
    position: absolute;
    top: -40%;
    right: -20%;
    width: 60%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124, 107, 255, 0.22), transparent 66%);
    filter: blur(30px);
    pointer-events: none;
}

.pergunta__cabecalho {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.15rem;
}

.pergunta__enunciado {
    font-size: clamp(1.28rem, 1.1rem + 0.9vw, 1.8rem);
    line-height: 1.32;
    margin-bottom: 1.75rem;
}

.alternativas {
    display: grid;
    gap: 0.75rem;
    margin: 0 0 1.75rem;
    padding: 0;
    border: 0;
}

.alternativa {
    position: relative;
    display: block;
}

.alternativa input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
}

.alternativa__corpo {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-radius: var(--raio-m);
    border: 1px solid var(--borda);
    background: linear-gradient(120deg, rgba(22, 28, 66, 0.6), rgba(10, 14, 36, 0.72));
    cursor: pointer;
    transition: all var(--transicao);
}

.alternativa__corpo:hover {
    border-color: rgba(159, 233, 255, 0.4);
    background: linear-gradient(120deg, rgba(34, 42, 96, 0.7), rgba(14, 18, 46, 0.8));
    transform: translateX(3px);
}

.alternativa input:checked + .alternativa__corpo {
    border-color: rgba(159, 233, 255, 0.7);
    background: linear-gradient(120deg, rgba(52, 62, 140, 0.75), rgba(24, 28, 74, 0.85));
    box-shadow: 0 10px 30px -16px rgba(124, 107, 255, 0.95);
}

.alternativa input:focus-visible + .alternativa__corpo {
    outline: 2px solid var(--ciano);
    outline-offset: 3px;
}

.alternativa__letra {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    border-radius: 11px;
    font-family: var(--fonte-titulo);
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--ciano-claro);
    background: rgba(86, 217, 255, 0.1);
    border: 1px solid rgba(86, 217, 255, 0.24);
    transition: all var(--transicao);
}

.alternativa input:checked + .alternativa__corpo .alternativa__letra {
    background: linear-gradient(140deg, #6ee0ff, #8b5cf6);
    color: #05060f;
    border-color: transparent;
}

.alternativa__texto {
    flex: 1;
}

/* Estados após a resposta */

.alternativa--revelada .alternativa__corpo {
    cursor: default;
}

.alternativa--certa .alternativa__corpo {
    border-color: rgba(61, 220, 151, 0.6);
    background: linear-gradient(120deg, rgba(16, 74, 55, 0.65), rgba(10, 30, 30, 0.8));
}

.alternativa--certa .alternativa__letra {
    background: rgba(61, 220, 151, 0.2);
    border-color: rgba(61, 220, 151, 0.5);
    color: var(--sucesso);
}

.alternativa--errada .alternativa__corpo {
    border-color: rgba(255, 107, 139, 0.55);
    background: linear-gradient(120deg, rgba(78, 20, 40, 0.6), rgba(30, 10, 24, 0.8));
}

.alternativa--errada .alternativa__letra {
    background: rgba(255, 107, 139, 0.18);
    border-color: rgba(255, 107, 139, 0.45);
    color: var(--erro);
}

.alternativa--apagada .alternativa__corpo {
    opacity: 0.5;
}

.alternativa__marca {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.alternativa--certa .alternativa__marca  { color: var(--sucesso); }
.alternativa--errada .alternativa__marca { color: var(--erro); }

/* Retorno após responder */

.retorno {
    border-radius: var(--raio-m);
    border: 1px solid var(--borda);
    background: rgba(9, 13, 34, 0.72);
    padding: 1.3rem 1.5rem;
    margin-bottom: 1.6rem;
    animation: surgir 320ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.retorno--acerto {
    border-color: rgba(61, 220, 151, 0.34);
    background: linear-gradient(140deg, rgba(12, 52, 42, 0.55), rgba(9, 13, 34, 0.8));
}

.retorno--erro {
    border-color: rgba(255, 107, 139, 0.3);
    background: linear-gradient(140deg, rgba(60, 16, 34, 0.5), rgba(9, 13, 34, 0.8));
}

.retorno__titulo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--fonte-titulo);
    font-size: 1.08rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.retorno--acerto .retorno__titulo { color: var(--sucesso); }
.retorno--erro .retorno__titulo   { color: var(--erro); }

.retorno__texto {
    color: var(--texto-medio);
    margin-bottom: 1rem;
}

.retorno__texto:last-child {
    margin-bottom: 0;
}

.retorno__curiosidade {
    border-left: 2px solid var(--violeta);
    padding-left: 1rem;
    font-size: 0.95rem;
    color: var(--texto-medio);
}

.retorno__curiosidade strong {
    color: var(--violeta-claro);
    display: block;
    font-size: 0.76rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.retorno__fonte {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.84rem;
    color: var(--texto-suave);
    margin-top: 1rem;
    padding-top: 0.9rem;
    border-top: 1px solid rgba(150, 165, 255, 0.12);
}

@keyframes surgir {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.rodape-pergunta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.dica-teclado {
    font-size: 0.82rem;
    color: var(--texto-suave);
}

.dica-teclado kbd {
    display: inline-block;
    font-family: var(--fonte-texto);
    font-size: 0.74rem;
    padding: 0.1rem 0.42rem;
    border-radius: 5px;
    border: 1px solid var(--borda-forte);
    background: rgba(20, 26, 61, 0.9);
    color: var(--texto-medio);
    margin-inline: 0.1rem;
}

.aviso-suave {
    display: flex;
    gap: 0.7rem;
    align-items: flex-start;
    font-size: 0.9rem;
    color: var(--texto-medio);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: var(--raio-m);
    padding: 0.9rem 1.1rem;
    margin-bottom: 1.5rem;
}

.aviso-suave .icone {
    flex-shrink: 0;
    color: var(--violeta-claro);
    margin-top: 2px;
}

/* 7. Resultado ------------------------------------------------------------ */

.resultado-topo {
    text-align: center;
    padding-block: clamp(2.5rem, 5vw, 4rem) 2rem;
}

.medidor {
    position: relative;
    width: min(240px, 62vw);
    aspect-ratio: 1;
    margin: 0 auto 1.75rem;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: conic-gradient(from -90deg,
        #56d9ff 0%,
        #8b5cf6 var(--fatia, 0%),
        rgba(150, 165, 255, 0.12) var(--fatia, 0%));
    box-shadow: 0 0 70px -10px rgba(124, 107, 255, 0.7);
}

.medidor::before {
    content: "";
    position: absolute;
    inset: 11px;
    border-radius: 50%;
    background: radial-gradient(circle at 50% 30%, #131a3f, #070a1c 70%);
    border: 1px solid rgba(150, 165, 255, 0.16);
}

.medidor__valor {
    position: relative;
    font-family: var(--fonte-titulo);
    font-size: clamp(2.4rem, 2rem + 2.4vw, 3.4rem);
    font-weight: 700;
    line-height: 1;
    color: #fff;
}

.medidor__legenda {
    position: relative;
    display: block;
    font-family: var(--fonte-texto);
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--texto-suave);
    margin-top: 0.5rem;
}

.placar {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: clamp(1rem, 3vw, 2.5rem);
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

.placar > div {
    text-align: center;
    min-width: 92px;
}

.placar dt {
    font-family: var(--fonte-titulo);
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
}

.placar dd {
    margin: 0.3rem 0 0;
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--texto-suave);
}

.placar .esta-certo { color: var(--sucesso); }
.placar .esta-errado { color: var(--erro); }
.placar .esta-neutro { color: var(--ciano-claro); }

.revisao {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.revisao__item {
    border-radius: var(--raio-m);
    border: 1px solid var(--borda);
    background: rgba(11, 16, 42, 0.62);
    overflow: hidden;
}

.revisao__item summary {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 1rem 1.25rem;
    cursor: pointer;
    list-style: none;
    font-weight: 500;
}

.revisao__item summary::-webkit-details-marker {
    display: none;
}

.revisao__estado {
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    border-radius: 9px;
}

.revisao__estado--certo {
    background: rgba(61, 220, 151, 0.16);
    color: var(--sucesso);
}

.revisao__estado--errado {
    background: rgba(255, 107, 139, 0.16);
    color: var(--erro);
}

.revisao__numero {
    font-family: var(--fonte-titulo);
    font-size: 0.82rem;
    color: var(--texto-suave);
    flex-shrink: 0;
}

.revisao__texto {
    flex: 1;
    font-size: 0.97rem;
}

.revisao__seta {
    color: var(--texto-suave);
    transition: transform var(--transicao);
}

.revisao__item[open] .revisao__seta {
    transform: rotate(180deg);
}

.revisao__detalhe {
    padding: 0 1.25rem 1.25rem;
    border-top: 1px solid rgba(150, 165, 255, 0.1);
    padding-top: 1.1rem;
    font-size: 0.95rem;
    color: var(--texto-medio);
}

.revisao__linha {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 0.6rem;
    flex-wrap: wrap;
}

.revisao__rotulo {
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--texto-suave);
    min-width: 96px;
    padding-top: 0.15rem;
}

.painel-historico {
    padding: clamp(1.4rem, 3vw, 2rem);
}

.historico-lista {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.5rem;
}

.historico-lista li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.7rem 0.9rem;
    border-radius: var(--raio-p);
    background: rgba(20, 26, 61, 0.5);
    border: 1px solid rgba(150, 165, 255, 0.08);
    font-size: 0.9rem;
}

.historico-lista__pontos {
    font-family: var(--fonte-titulo);
    font-weight: 600;
    color: var(--ciano-claro);
    white-space: nowrap;
}

.vazio {
    color: var(--texto-suave);
    font-size: 0.92rem;
    margin: 0;
}

/* 8. Conteúdo editorial --------------------------------------------------- */

.artigo {
    padding-block: clamp(1.5rem, 3vw, 2.5rem) clamp(3rem, 6vw, 5rem);
}

.artigo__grade {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 290px;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
}

.artigo__cabecalho {
    margin-bottom: 2.5rem;
}

.artigo__subtitulo {
    font-size: clamp(1.05rem, 1rem + 0.35vw, 1.25rem);
    color: var(--texto-medio);
    max-width: 60ch;
}

.artigo__assinatura {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1.25rem;
    font-size: 0.86rem;
    color: var(--texto-suave);
    padding-top: 1.25rem;
    margin-top: 1.5rem;
    border-top: 1px solid rgba(150, 165, 255, 0.12);
}

.artigo__assinatura span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.prosa {
    max-width: var(--largura-texto);
}

.prosa h2 {
    margin-top: 2.5rem;
    padding-top: 0.5rem;
}

.prosa h2:first-child {
    margin-top: 0;
}

.prosa h3 {
    margin-top: 1.85rem;
    color: var(--ciano-claro);
}

.prosa p {
    color: var(--texto-medio);
}

.prosa strong {
    color: var(--texto);
    font-weight: 600;
}

.prosa ul,
.prosa ol {
    color: var(--texto-medio);
    margin: 0 0 1.25rem;
    padding-left: 1.35rem;
}

.prosa li {
    margin-bottom: 0.5rem;
}

.prosa li::marker {
    color: var(--violeta-claro);
}

.destaques {
    border-radius: var(--raio-m);
    border: 1px solid rgba(139, 92, 246, 0.28);
    background: linear-gradient(150deg, rgba(46, 34, 110, 0.42), rgba(9, 13, 34, 0.7));
    padding: 1.4rem 1.6rem;
    margin-bottom: 2.5rem;
}

.destaques h2 {
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--violeta-claro);
    margin-bottom: 0.85rem;
}

.destaques ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.55rem;
}

.destaques li {
    display: flex;
    gap: 0.65rem;
    align-items: flex-start;
    font-size: 0.95rem;
    color: var(--texto-medio);
}

.destaques .icone {
    flex-shrink: 0;
    width: 17px;
    height: 17px;
    margin-top: 4px;
    color: var(--ciano);
}

.lateral {
    position: sticky;
    top: 92px;
    display: grid;
    gap: 1.25rem;
}

.bloco-lateral {
    border-radius: var(--raio-m);
    border: 1px solid var(--borda);
    background: rgba(11, 16, 42, 0.62);
    padding: 1.25rem 1.35rem;
    backdrop-filter: blur(12px);
}

.bloco-lateral h2 {
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--texto-suave);
    margin-bottom: 0.9rem;
}

.bloco-lateral ol,
.bloco-lateral ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.5rem;
    font-size: 0.92rem;
}

.bloco-lateral a {
    color: var(--texto-medio);
    text-decoration: none;
}

.bloco-lateral a:hover {
    color: var(--ciano-claro);
}

.bloco-lateral--acao {
    background: linear-gradient(150deg, rgba(46, 34, 110, 0.6), rgba(9, 13, 34, 0.8));
    border-color: rgba(139, 92, 246, 0.3);
}

.bloco-lateral--acao p {
    font-size: 0.92rem;
    color: var(--texto-medio);
}

.perguntas-frequentes {
    margin-top: 3rem;
    display: grid;
    gap: 0.75rem;
}

.perguntas-frequentes details {
    border-radius: var(--raio-m);
    border: 1px solid var(--borda);
    background: rgba(11, 16, 42, 0.55);
    padding: 1rem 1.25rem;
}

.perguntas-frequentes summary {
    cursor: pointer;
    font-weight: 600;
    font-family: var(--fonte-titulo);
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
}

.perguntas-frequentes summary::-webkit-details-marker {
    display: none;
}

.perguntas-frequentes summary::after {
    content: "+";
    color: var(--ciano);
    font-size: 1.3rem;
    line-height: 1;
}

.perguntas-frequentes details[open] summary::after {
    content: "–";
}

.perguntas-frequentes p {
    margin: 0.85rem 0 0;
    color: var(--texto-medio);
    font-size: 0.96rem;
}

.lista-fontes {
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
    display: grid;
    gap: 0.6rem;
    font-size: 0.93rem;
}

.lista-fontes li {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    color: var(--texto-medio);
}

.lista-fontes .icone {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    margin-top: 4px;
    color: var(--texto-suave);
}

.grade-cartoes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.cartao-conteudo {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    border-radius: var(--raio-g);
    border: 1px solid var(--borda);
    background: linear-gradient(160deg, rgba(24, 31, 72, 0.6), rgba(9, 13, 34, 0.82));
    transition: transform var(--transicao), border-color var(--transicao), box-shadow var(--transicao);
}

.cartao-conteudo:hover {
    transform: translateY(-4px);
    border-color: var(--borda-forte);
    box-shadow: var(--sombra-alta);
}

.cartao-conteudo__categoria {
    font-size: 0.74rem;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--tom-a, var(--ciano));
    margin-bottom: 0.7rem;
}

.cartao-conteudo h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.cartao-conteudo h3 a {
    color: var(--texto);
    text-decoration: none;
}

.cartao-conteudo p {
    font-size: 0.93rem;
    color: var(--texto-medio);
    margin-bottom: 1rem;
}

.cartao-conteudo__rodape {
    margin-top: auto;
    padding-top: 0.9rem;
    border-top: 1px solid rgba(150, 165, 255, 0.1);
    font-size: 0.8rem;
    color: var(--texto-suave);
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
}

/* Passos e listas institucionais */

.passos {
    counter-reset: passo;
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    list-style: none;
    padding: 0;
    margin: 0;
}

.passos li {
    counter-increment: passo;
    position: relative;
    padding: 1.5rem 1.4rem 1.4rem;
    border-radius: var(--raio-g);
    border: 1px solid var(--borda);
    background: rgba(11, 16, 42, 0.58);
}

.passos li::before {
    content: counter(passo, decimal-leading-zero);
    display: block;
    font-family: var(--fonte-titulo);
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.7rem;
    background: linear-gradient(120deg, #8fe9ff, #b79bff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.passos h3 {
    font-size: 1.05rem;
    margin-bottom: 0.4rem;
}

.passos p {
    font-size: 0.93rem;
    color: var(--texto-medio);
    margin: 0;
}

.ficha-pessoa {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 1.25rem;
    padding: 1.5rem;
    border-radius: var(--raio-g);
    border: 1px solid var(--borda);
    background: rgba(11, 16, 42, 0.58);
}

.ficha-pessoa__inicial {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: 20px;
    font-family: var(--fonte-titulo);
    font-size: 1.5rem;
    font-weight: 700;
    color: #05060f;
    background: linear-gradient(140deg, #6ee0ff, #8b5cf6);
}

.ficha-pessoa h3 {
    margin-bottom: 0.2rem;
}

.ficha-pessoa__papel {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ciano-claro);
    margin-bottom: 0.75rem;
}

.ficha-pessoa p {
    font-size: 0.94rem;
    color: var(--texto-medio);
}

.nota-preenchimento {
    display: flex;
    gap: 0.7rem;
    align-items: flex-start;
    border-radius: var(--raio-m);
    border: 1px dashed rgba(251, 191, 36, 0.5);
    background: rgba(251, 191, 36, 0.07);
    color: #fde68a;
    padding: 1rem 1.2rem;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.nota-preenchimento .icone {
    flex-shrink: 0;
    margin-top: 2px;
}

/* Formulário de contato */

.formulario-contato {
    display: grid;
    gap: 1.25rem;
    max-width: 620px;
}

.campo {
    display: grid;
    gap: 0.45rem;
}

.campo label {
    font-size: 0.9rem;
    font-weight: 500;
}

.campo__ajuda {
    font-size: 0.82rem;
    color: var(--texto-suave);
}

.campo input,
.campo textarea,
.campo select {
    width: 100%;
    font: inherit;
    font-size: 0.97rem;
    color: var(--texto);
    background: rgba(9, 13, 34, 0.75);
    border: 1px solid var(--borda);
    border-radius: var(--raio-p);
    padding: 0.8rem 1rem;
    transition: border-color var(--transicao), box-shadow var(--transicao);
}

.campo input:focus,
.campo textarea:focus,
.campo select:focus {
    outline: none;
    border-color: rgba(159, 233, 255, 0.6);
    box-shadow: 0 0 0 3px rgba(86, 217, 255, 0.16);
}

.campo textarea {
    min-height: 160px;
    resize: vertical;
}

.mensagem-sistema {
    border-radius: var(--raio-m);
    padding: 1rem 1.2rem;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.mensagem-sistema--ok {
    border: 1px solid rgba(61, 220, 151, 0.4);
    background: rgba(61, 220, 151, 0.1);
    color: #a7f3d0;
}

.mensagem-sistema--erro {
    border: 1px solid rgba(255, 107, 139, 0.4);
    background: rgba(255, 107, 139, 0.1);
    color: #fecdd3;
}

/* Página não encontrada */

.erro-pagina {
    text-align: center;
    padding-block: clamp(4rem, 12vw, 8rem);
}

.erro-pagina__codigo {
    font-family: var(--fonte-titulo);
    font-size: clamp(5rem, 3rem + 12vw, 11rem);
    font-weight: 700;
    line-height: 0.9;
    background: linear-gradient(120deg, #8fe9ff, #b79bff 55%, #f0abfc);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.4rem;
}

/* 9. Rodapé --------------------------------------------------------------- */

.rodape {
    border-top: 1px solid rgba(150, 165, 255, 0.12);
    background: linear-gradient(180deg, rgba(6, 8, 24, 0.4), rgba(4, 5, 14, 0.9));
    padding-block: clamp(2.5rem, 5vw, 4rem) 2rem;
    margin-top: clamp(3rem, 8vw, 6rem);
}

.rodape__grade {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
    gap: clamp(1.75rem, 3vw, 3rem);
    margin-bottom: 2.5rem;
}

.marca--rodape {
    margin-bottom: 1rem;
}

.marca--rodape .marca__simbolo {
    width: 36px;
    height: 36px;
}

.rodape__descricao,
.rodape__aviso {
    font-size: 0.9rem;
    color: var(--texto-medio);
    max-width: 46ch;
}

.rodape__aviso {
    font-size: 0.82rem;
    color: var(--texto-suave);
    padding-top: 0.9rem;
    border-top: 1px solid rgba(150, 165, 255, 0.1);
    margin-bottom: 0;
}

.rodape__titulo {
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ciano-claro);
    margin-bottom: 1rem;
}

.rodape__lista {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
    font-size: 0.9rem;
}

.rodape__lista a {
    color: var(--texto-medio);
    text-decoration: none;
}

.rodape__lista a:hover {
    color: #fff;
}

.rodape__creditos {
    padding-top: 1.75rem;
    border-top: 1px solid rgba(150, 165, 255, 0.1);
    font-size: 0.84rem;
    color: var(--texto-suave);
    margin: 0;
    max-width: 78ch;
}

/* 10. Responsivo e preferências ------------------------------------------- */

@media (max-width: 1080px) {
    .artigo__grade {
        grid-template-columns: minmax(0, 1fr);
    }

    .lateral {
        position: static;
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }

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

@media (max-width: 900px) {
    .heroi__interno,
    .quiz-capa__interno {
        grid-template-columns: minmax(0, 1fr);
    }

    .heroi__composicao,
    .quiz-capa__figura {
        order: -1;
        width: min(340px, 72%);
        margin-inline: auto;
    }

    .cartao-categoria--destaque {
        grid-column: span 1;
    }

    .faixa-desafio {
        grid-template-columns: minmax(0, 1fr);
        text-align: left;
    }

    .faixa-desafio__figura {
        order: -1;
        min-height: 180px;
    }
}

@media (max-width: 760px) {
    .alternador-menu {
        display: inline-flex;
    }

    .menu {
        position: fixed;
        inset: 72px 0 auto 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0.35rem;
        padding: 1.25rem 1.25rem 1.75rem;
        background: rgba(6, 9, 26, 0.97);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--borda);
        box-shadow: var(--sombra-alta);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        transition: opacity 180ms ease, transform 180ms ease, visibility 180ms;
        max-height: calc(100vh - 72px);
        overflow-y: auto;
    }

    .menu[data-aberto="sim"] {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .menu__lista {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .menu__lista a {
        display: block;
        padding: 0.9rem 0.25rem;
        border-bottom: 1px solid rgba(150, 165, 255, 0.1);
        font-size: 1rem;
    }

    .menu__lista a::after {
        display: none;
    }

    .menu__acao {
        margin-top: 1.1rem;
        justify-content: center;
    }

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

    .revisao__rotulo {
        min-width: 100%;
    }
}

@media (max-width: 520px) {
    .envoltorio {
        width: min(100% - 1.75rem, var(--largura));
    }

    .grade-categorias {
        grid-template-columns: minmax(0, 1fr);
    }

    .botao {
        width: 100%;
    }

    .grupo-botoes .botao {
        width: 100%;
    }

    .alternativa__corpo {
        padding: 0.9rem 1rem;
        gap: 0.75rem;
    }

    .placar {
        gap: 1.25rem;
    }
}

/* Sem folha de estilo de rolagem quando o menu está aberto */
body[data-menu-aberto="sim"] {
    overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

@media (prefers-contrast: more) {
    :root {
        --texto-medio: #d6dcf7;
        --texto-suave: #b7bfe4;
        --borda: rgba(180, 195, 255, 0.35);
    }
}

@media print {
    .ceu, .topo, .rodape, .grupo-botoes, .alternador-menu {
        display: none !important;
    }

    body {
        background: #fff;
        color: #111;
    }
}