/* =============================================================================
   Briefing do desafio
   ========================================================================== */

.briefing {
    padding-top: calc(var(--header-height) + 56px);
    padding-bottom: 96px;
}

/* ---- Cabeçalho ---------------------------------------------------------- */

.briefing__head {
    display: flex;
    align-items: center;
    gap: 28px;
    padding-bottom: 40px;
    margin-bottom: 52px;
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
}

/* Filete de energia fechando o cabeçalho. */
.briefing__head::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 180px;
    height: 1px;
    background: linear-gradient(90deg, var(--color-pink), var(--color-matrix));
    pointer-events: none;
}

.briefing__logo {
    width: 92px;
    height: 92px;
    flex: 0 0 92px;
}

.briefing__label {
    font-family: var(--font-mono);
    font-size: var(--fs-small);
    letter-spacing: var(--tracking-mono);
    text-transform: uppercase;
    color: var(--color-pink);
    font-weight: 700;
    margin-bottom: 12px;
}

.briefing__label::before {
    content: '> ';
    color: var(--color-matrix);
}

.briefing__title {
    margin-bottom: 14px;
}

.briefing__lead {
    color: var(--color-gray-light);
    max-width: 60ch;
}

@media (max-width: 767px) {
    .briefing__head {
        flex-direction: column;
        align-items: flex-start;
        gap: 22px;
    }

    .briefing__logo {
        width: 72px;
        height: 72px;
        flex-basis: 72px;
    }
}

/* ---- Equipe dona -------------------------------------------------------- */

/* Faixa de identificação: a equipe que travou este case, em linha de terminal. */
.briefing__team {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 52px;
    padding: 16px 20px;
    background: var(--color-black-secondary);
    border: 1px solid var(--border-subtle);
    border-left: 2px solid var(--color-matrix);
    border-radius: var(--radius-sm);
}

.briefing__team-label {
    font-family: var(--font-mono);
    font-size: var(--fs-small);
    letter-spacing: var(--tracking-mono);
    text-transform: uppercase;
    color: var(--color-gray);
    font-weight: 600;
}

.briefing__team-name {
    font-family: var(--font-mono);
    font-size: var(--fs-body);
    font-weight: 700;
    color: var(--color-white);
}

.briefing__chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-left: auto;
}

.chip {
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    font-family: var(--font-mono);
    font-size: var(--fs-code);
    letter-spacing: .04em;
    color: var(--color-gray-light);
}

.chip--pink {
    border-color: var(--border-pink-faint);
    background: var(--tint-pink);
    color: var(--color-pink);
}

@media (max-width: 767px) {
    .briefing__chips {
        margin-left: 0;
        width: 100%;
    }
}

/* ---- Blocos do briefing ------------------------------------------------- */

.briefing__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.briefing__block {
    position: relative;
    background: var(--color-black-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-card);
    padding: 30px;
}

/* Cantoneira única no canto superior direito: marca o bloco sem repetir as
   quatro bordas de todos os cards da landing. */
.briefing__block::after {
    content: '';
    position: absolute;
    top: -1px;
    right: -1px;
    width: 16px;
    height: 16px;
    border-top: 1px solid var(--border-matrix-faint);
    border-right: 1px solid var(--border-matrix-faint);
    pointer-events: none;
}

.briefing__block--full {
    grid-column: 1 / -1;
}

/* Título de bloco em monoespaçada, prefixado como comentário de código. */
.briefing__block h2 {
    font-family: var(--font-mono);
    font-size: var(--fs-h4);
    font-weight: 700;
    letter-spacing: .02em;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.briefing__block h2::before {
    content: '//';
    color: var(--color-matrix);
    font-weight: 400;
    flex: 0 0 auto;
}

.briefing__block p {
    color: var(--color-gray-light);
    white-space: pre-line;
}

@media (max-width: 767px) {
    .briefing__grid {
        grid-template-columns: 1fr;
    }

    .briefing__block {
        padding: 24px 20px;
    }
}

/* ---- Profissões relacionadas -------------------------------------------- */

.profession-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 8px;
}

.profession {
    padding: 18px;
    background: var(--color-black);
    border: 1px solid var(--border-subtle);
    border-left: 2px solid var(--border-pink-faint);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition);
}

.profession:hover {
    border-color: var(--border-strong);
    border-left-color: var(--color-pink);
}

.profession__name {
    font-family: var(--font-display);
    font-weight: 600;
    margin-bottom: 6px;
}

.profession__desc {
    font-size: var(--fs-small);
    line-height: var(--lh-small);
    color: var(--color-gray);
}

@media (max-width: 767px) {
    .profession-grid {
        grid-template-columns: 1fr;
    }
}

/* ---- Acesso negado ------------------------------------------------------ */

/*
   A tela de briefing bloqueado é o lugar mais óbvio para a estética de erro:
   é literalmente um acesso negado. Moldura vermelha, código de status em
   monoespaçada e o cadeado piscando.
*/
.briefing-locked {
    position: relative;
    max-width: 540px;
    margin: 0 auto;
    text-align: center;
    padding: 52px 32px;
    background: var(--color-black-secondary);
    border: 1px solid var(--border-bug);
    border-radius: var(--radius-card);
    overflow: hidden;
}

/* Hachura diagonal de fita de isolamento no topo do bloco. */
.briefing-locked::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-image:
        repeating-linear-gradient(45deg,
            var(--color-bug) 0 6px,
            transparent 6px 12px);
    opacity: .8;
    pointer-events: none;
}

.briefing-locked__mark {
    width: 62px;
    height: 62px;
    margin: 0 auto 22px;
    border-radius: 0;
    border: 1px solid var(--border-bug);
    background: var(--tint-bug);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--color-bug);
    animation: bug-flicker 4.5s steps(1, end) infinite;
}

/* Código de status acima do título, como saída de requisição. */
.briefing-locked__code {
    display: block;
    margin-bottom: 12px;
    font-family: var(--font-mono);
    font-size: var(--fs-small);
    letter-spacing: var(--tracking-mono);
    text-transform: uppercase;
    color: var(--color-bug);
    font-weight: 700;
}

.briefing-locked h1 {
    font-size: var(--fs-h3);
    margin-bottom: 14px;
}

.briefing-locked p {
    color: var(--color-gray);
    margin-bottom: 30px;
}