/* ===== Página de case técnico ===== */

.case-body {
    background:
        radial-gradient(ellipse 60% 40% at 50% -5%, var(--accent-a15), var(--transparent)),
        var(--bg-body);
}

.case-nav,
.case-wrap,
.case-body .footer {
    position: relative;
    z-index: 1;
}

.case-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 920px;
    margin: 0 auto;
    padding: 1.4rem 1.25rem;
}

.case-back {
    padding: 0.55rem 1.2rem;
    font-size: 0.85rem;
}

.case-wrap {
    max-width: 920px;
    margin: 0 auto;
    padding: 2rem 1.25rem 5rem;
}

/* ===== Hero ===== */

.case-hero {
    text-align: center;
    padding: 2.5rem 0 3.5rem;
}

.case-title {
    font-family: 'Sora', sans-serif;
    font-weight: 800;
    font-size: clamp(1.9rem, 4.5vw, 3rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1.2rem;
}

.case-lead {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 40rem;
    margin: 0 auto 1.6rem;
}

.case-lead strong {
    color: var(--accent-cyan);
    font-weight: 600;
}

.case-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

/* ===== Seções ===== */

.case-section {
    margin-bottom: 3.5rem;
}

.case-section > p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    max-width: 46rem;
}

.case-h2 {
    font-family: 'Sora', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 1rem;
    padding-left: 0.9rem;
    border-left: 3px solid var(--accent);
    border-radius: 1px;
}

.case-h3 {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: 'Sora', sans-serif;
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--text-color);
    margin: 2rem 0 0.8rem;
}

/* ===== Listas ===== */

.case-list,
.case-checklist {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    color: var(--text-muted);
}

.case-list li::before {
    content: "✕";
    color: #f87171;
    font-size: 0.8rem;
    margin-right: 0.65rem;
}

.case-checklist li::before {
    content: "✓";
    color: var(--accent-emerald);
    font-weight: 700;
    margin-right: 0.65rem;
}

/* ===== Grid de cards ===== */

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem;
    margin-top: 1.4rem;
}

.case-card {
    padding: 1.5rem;
    border-radius: 1.1rem;
}

.case-card-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent-soft);
    background: var(--accent-a10);
    border: 1px solid var(--accent-a25);
    border-radius: 999px;
    padding: 2px 10px;
}

.case-card h3 {
    font-family: 'Sora', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--white);
    margin: 0.8rem 0 0.5rem;
}

.case-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ===== Tabela comparativa ===== */

.case-table-wrap {
    border-radius: 1.1rem;
    overflow: hidden;
    overflow-x: auto;
    margin-top: 1.4rem;
}

.case-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    min-width: 480px;
}

.case-table th {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent-soft);
    text-align: left;
    padding: 0.9rem 1.2rem;
    background: var(--accent-a08);
    border-bottom: 1px solid var(--glass-border);
}

.case-table td {
    padding: 0.7rem 1.2rem;
    border-bottom: 1px solid var(--white-a05);
    color: var(--text-color);
}

.case-table tbody tr:last-child td {
    border-bottom: none;
}

.case-table td.bad::before {
    content: "✕ ";
    color: #f87171;
}

.case-table td.bad {
    color: var(--text-muted);
}

.case-table td.good::before {
    content: "✓ ";
    color: var(--accent-emerald);
    font-weight: 700;
}

/* ===== Blocos de código ===== */

.inline-code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
    color: var(--accent-soft);
    background: var(--accent-a10);
    border: 1px solid var(--accent-a20);
    border-radius: 6px;
    padding: 1px 6px;
    white-space: nowrap;
}

.v-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: 6px;
    padding: 2px 8px;
}

.v-tag.v1 {
    color: #f87171;
    background: rgba(248, 113, 113, 0.10);
    border: 1px solid rgba(248, 113, 113, 0.25);
}

.v-tag.v2 {
    color: var(--accent-emerald);
    background: var(--emerald-a08);
    border: 1px solid var(--emerald-a30);
}

.case-code {
    background: var(--bg-elevated);
    border: 1px solid var(--glass-border);
    border-radius: 0.9rem;
    padding: 1.1rem 1.3rem;
    overflow-x: auto;
    box-shadow: var(--soft-shadow);
}

.case-code code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--text-color);
    white-space: pre;
}

.case-code code.hljs {
    background: transparent;
    padding: 0;
    display: block;
    overflow-x: visible;
}

/* ===== CTA ===== */

.case-cta {
    text-align: center;
    border-radius: 1.4rem;
    padding: 2.5rem 1.5rem;
    margin-bottom: 0;
}

.case-cta .case-h2 {
    border-left: none;
    padding-left: 0;
}

.case-cta > p {
    margin: 0 auto 1.6rem;
}

.case-footer {
    max-width: 920px;
    margin: 0 auto;
    padding: 2.2rem 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    text-align: center;
}

/* ===== Case QR Code ===== */

.qr-case-body {
    background:
        radial-gradient(ellipse 55% 36% at 78% 4%, rgba(34, 211, 238, 0.10), transparent),
        radial-gradient(ellipse 60% 40% at 30% -5%, var(--accent-a15), transparent),
        var(--bg-body);
}

.qr-case-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(240px, 0.7fr);
    align-items: center;
    gap: clamp(2rem, 6vw, 5rem);
    text-align: left;
}

.qr-case-hero .case-lead {
    margin-inline: 0;
}

.qr-case-hero .case-chips {
    justify-content: flex-start;
}

.qr-artifact {
    display: grid;
    justify-items: center;
    gap: 16px;
    color: var(--accent-cyan);
    font: 600 9px var(--font-mono);
    letter-spacing: 0.16em;
}

.qr-matrix {
    position: relative;
    width: min(100%, 250px);
    aspect-ratio: 1;
    border: 12px solid #e9fbff;
    background-color: #e9fbff;
    background-image:
        linear-gradient(90deg, rgba(6, 11, 20, 0.94) 50%, transparent 50%),
        linear-gradient(rgba(6, 11, 20, 0.94) 50%, transparent 50%),
        linear-gradient(45deg, transparent 48%, rgba(124, 58, 237, 0.75) 49% 52%, transparent 53%);
    background-position: 0 0, 6px 6px, 0 0;
    background-size: 12px 12px, 12px 12px, 36px 36px;
    box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.4), 0 24px 70px rgba(34, 211, 238, 0.18);
    transform: rotate(2deg);
}

.qr-finder {
    position: absolute;
    width: 58px;
    height: 58px;
    border: 10px solid #06101a;
    background: #e9fbff;
    box-shadow: inset 0 0 0 10px #e9fbff, inset 0 0 0 20px #06101a;
}

.qr-finder-a { top: 8px; left: 8px; }
.qr-finder-b { top: 8px; right: 8px; }
.qr-finder-c { bottom: 8px; left: 8px; }

.iso-callout {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 22px;
    margin-bottom: 3.5rem;
    padding: 1.4rem 1.6rem;
    border-radius: 1rem;
    border-color: rgba(34, 211, 238, 0.2);
}

.iso-callout > span {
    color: var(--accent-cyan);
    font: 700 0.62rem var(--font-mono);
    letter-spacing: 0.12em;
}

.iso-callout h2 {
    margin: 0 0 4px;
    color: var(--white);
    font: 600 1rem var(--font-display);
}

.iso-callout p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.82rem;
    line-height: 1.6;
}

.iso-callout a {
    color: var(--accent-cyan);
    font: 600 0.68rem var(--font-mono);
    text-decoration: none;
    text-transform: uppercase;
    white-space: nowrap;
}

.architecture-grid .case-card,
.proof-grid .case-card {
    position: relative;
    overflow: hidden;
}

.architecture-grid .case-card::after,
.proof-grid .case-card::after {
    content: '';
    position: absolute;
    right: -24px;
    bottom: -24px;
    width: 74px;
    height: 74px;
    border: 1px solid rgba(34, 211, 238, 0.14);
    transform: rotate(45deg);
}

.case-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 1.4rem;
}

.case-stats div {
    display: grid;
    gap: 4px;
    padding: 1.2rem;
    border: 1px solid var(--white-a08);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.025);
}

.case-stats strong {
    color: var(--accent-cyan);
    font: 700 1.45rem var(--font-mono);
}

.case-stats span,
.case-next > span {
    color: var(--text-muted);
    font: 600 0.65rem var(--font-mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.case-next {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 3.5rem;
    padding: 1.4rem 1.6rem;
    border-radius: 1rem;
}

.case-next div {
    display: grid;
    justify-items: end;
    gap: 5px;
    text-align: right;
}

.case-next strong {
    color: var(--white);
    font-family: var(--font-display);
}

.case-next a {
    color: var(--accent-cyan);
    font: 600 0.7rem var(--font-mono);
    text-decoration: none;
    text-transform: uppercase;
}

/* ===== Responsivo ===== */

@media (max-width: 700px) {
    .case-grid {
        grid-template-columns: 1fr;
    }

    .case-hero {
        padding-top: 1rem;
    }

    .qr-case-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .qr-case-hero .case-lead {
        margin-inline: auto;
    }

    .qr-case-hero .case-chips {
        justify-content: center;
    }

    .qr-artifact {
        order: -1;
    }

    .qr-matrix {
        width: 190px;
    }

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

    .case-next {
        align-items: flex-start;
        flex-direction: column;
    }

    .iso-callout {
        grid-template-columns: 1fr;
    }

    .case-next div {
        justify-items: start;
        text-align: left;
    }
}