/* ==========================================================================
   Tech Care Check — /diagnose/ page styles
   Extends the Calm Diagnostic Console design system (hub-pages.css +
   consolidated.css). Uses the existing CSS custom properties.
   ========================================================================== */

.diag-hero {
    position: relative;
    padding: 4.5rem 0 2.5rem;
    text-align: left;
}

.diag-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top right, rgba(94, 207, 120, 0.10), transparent 36%),
        radial-gradient(circle at left 25%, rgba(56, 189, 248, 0.06), transparent 30%);
    pointer-events: none;
}

.diag-hero .container {
    position: relative;
    z-index: 1;
    max-width: 820px;
}

.diag-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 5vw, 3.25rem);
    line-height: 1.1;
    margin: 0.75rem 0 1rem;
    color: var(--text-primary);
    max-width: 18ch;
}

.diag-hero-lead {
    font-size: var(--text-lg);
    line-height: 1.55;
    color: var(--text-secondary);
    max-width: 60ch;
    margin: 0 0 1rem;
}

.diag-hero-meta {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin: 0 0 1.5rem;
}

.diag-hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.diag-link-quiet {
    color: var(--text-secondary);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-size: var(--text-sm);
}

.diag-link-quiet:hover {
    color: var(--accent-primary);
}

/* ── Sections ────────────────────────────────────────────────────────────── */

.diag-section {
    padding: 3.5rem 0;
    border-top: 1px solid var(--line, rgba(242, 239, 233, 0.08));
}

.diag-section .section-label {
    display: inline-block;
    font-size: var(--text-xs);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-primary);
    margin: 0 0 0.5rem;
}

.diag-section h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    line-height: 1.2;
    margin: 0 0 1rem;
    color: var(--text-primary);
    max-width: 24ch;
}

.diag-intro {
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 65ch;
    margin: 0 0 2rem;
}

/* ── How it works (process) ──────────────────────────────────────────────── */

.diag-process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}

.diag-step {
    border: 1px solid var(--line, rgba(242, 239, 233, 0.08));
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(17, 19, 23, 0.92), rgba(10, 11, 14, 0.96));
    padding: 1.5rem;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.22);
}

.diag-step-dot {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-primary);
    color: #0a0b0e;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    font-size: var(--text-base);
}

.diag-step h4 {
    font-size: var(--text-lg);
    margin: 0 0 0.5rem;
    color: var(--text-primary);
}

.diag-step p {
    font-size: var(--text-sm);
    line-height: 1.55;
    color: var(--text-secondary);
    margin: 0;
}

/* ── Price table ─────────────────────────────────────────────────────────── */

.diag-price-table {
    border: 1px solid var(--line, rgba(242, 239, 233, 0.08));
    border-radius: 18px;
    overflow: hidden;
    background: rgba(17, 19, 23, 0.6);
}

.diag-price-row {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) minmax(0, 2.2fr) auto;
    gap: 1.25rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--line, rgba(242, 239, 233, 0.06));
    align-items: start;
}

.diag-price-row:last-child {
    border-bottom: none;
}

.diag-price-header {
    background: rgba(94, 207, 120, 0.06);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    font-weight: 600;
}

.diag-price-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--text-base);
}

.diag-price-desc {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.5;
}

.diag-price-amount {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    color: var(--accent-primary);
    font-weight: 700;
    white-space: nowrap;
}

.diag-price-note {
    margin-top: 1.25rem;
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    line-height: 1.55;
}

.diag-price-note a {
    color: var(--accent-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

@media (max-width: 720px) {
    .diag-price-row {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }
    .diag-price-header {
        display: none;
    }
    .diag-price-amount {
        font-size: var(--text-2xl);
    }
}

/* ── Form section ────────────────────────────────────────────────────────── */

.diag-form-section {
    background: linear-gradient(180deg, rgba(17, 19, 23, 0.4), rgba(10, 11, 14, 0.6));
}

.diag-form-card {
    border: 1px solid var(--line, rgba(242, 239, 233, 0.08));
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(17, 19, 23, 0.92), rgba(10, 11, 14, 0.96));
    box-shadow: 0 22px 44px rgba(0, 0, 0, 0.28);
    padding: 2rem;
    max-width: 720px;
    margin: 0 auto;
}

.diag-form-card .hub-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.diag-form-card label {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.diag-form-card input,
.diag-form-card textarea {
    border: 1px solid var(--line, rgba(242, 239, 233, 0.12));
    border-radius: 10px;
    background: rgba(10, 11, 14, 0.7);
    color: var(--text-primary);
    padding: 0.75rem 0.9rem;
    font-size: var(--text-base);
    font-family: inherit;
    width: 100%;
}

.diag-form-card input:focus,
.diag-form-card textarea:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 1px;
    border-color: var(--accent-primary);
}

.diag-form-card textarea {
    resize: vertical;
    min-height: 120px;
}

.diag-form-warning {
    font-size: var(--text-xs);
    color: var(--accent-secondary);
    margin: 0;
}

.diag-form-meta {
    margin-top: 1rem;
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    text-align: center;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

#diag-submit-btn {
    margin-top: 0.5rem;
}

/* ── Result card ─────────────────────────────────────────────────────────── */

.diag-result {
    margin-top: 1.5rem;
}

.diag-loading {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    padding: 1rem;
    text-align: center;
}

.diag-result-card {
    border: 1px solid var(--accent-primary-medium);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(94, 207, 120, 0.05), rgba(10, 11, 14, 0.6));
    padding: 1.5rem;
}

.diag-result-label {
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-primary);
    margin: 0 0 0.5rem;
}

.diag-result-card h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    line-height: 1.35;
    color: var(--text-primary);
    margin: 0 0 1rem;
}

.diag-result-quote {
    border-top: 1px solid var(--line, rgba(242, 239, 233, 0.08));
    padding-top: 1rem;
    margin-bottom: 1rem;
}

.diag-quote-price {
    font-size: var(--text-lg);
    color: var(--text-primary);
    margin: 0 0 0.25rem;
}

.diag-quote-price strong {
    color: var(--accent-primary);
    font-size: var(--text-2xl);
    font-family: var(--font-heading);
}

.diag-quote-name {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.25rem;
}

.diag-quote-desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.55;
    margin: 0 0 1rem;
}

.diag-quote-pending {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin: 0 0 1rem;
}

.diag-pay-btn {
    display: inline-block;
    margin-top: 0.25rem;
}

.diag-result-escalated {
    border-top: 1px solid var(--line, rgba(242, 239, 233, 0.08));
    padding-top: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.55;
}

.diag-result-escalated strong {
    color: var(--accent-secondary);
}

.diag-details {
    border-top: 1px solid var(--line, rgba(242, 239, 233, 0.06));
    padding: 0.75rem 0;
}

.diag-details summary {
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 600;
    list-style: none;
}

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

.diag-details summary::before {
    content: "+";
    display: inline-block;
    width: 1.2em;
    color: var(--accent-primary);
}

.diag-details[open] summary::before {
    content: "-";
}

.diag-details p,
.diag-details ul {
    margin: 0.5rem 0 0;
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    line-height: 1.55;
}

.diag-details ul {
    padding-left: 1.25rem;
}

.diag-result-meta {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line, rgba(242, 239, 233, 0.06));
    font-size: var(--text-xs);
    color: var(--text-muted);
    line-height: 1.5;
}

.diag-result-ref {
    margin-top: 0.5rem;
    font-size: var(--text-xs);
    color: var(--text-muted);
    line-height: 1.5;
}

.diag-result-ref strong {
    color: var(--text, inherit);
    font-family: var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);
    letter-spacing: 0.02em;
}

.diag-error {
    border: 1px solid rgba(200, 169, 106, 0.4);
    border-radius: 12px;
    background: rgba(200, 169, 106, 0.06);
    padding: 1rem;
    color: var(--accent-secondary);
    font-size: var(--text-sm);
}

/* ── Trust grid ──────────────────────────────────────────────────────────── */

.diag-trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}

.diag-trust-item {
    border: 1px solid var(--line, rgba(242, 239, 233, 0.08));
    border-radius: 16px;
    background: rgba(17, 19, 23, 0.6);
    padding: 1.25rem;
}

.diag-trust-item h4 {
    font-size: var(--text-base);
    margin: 0 0 0.5rem;
    color: var(--accent-primary);
}

.diag-trust-item p {
    font-size: var(--text-sm);
    line-height: 1.55;
    color: var(--text-secondary);
    margin: 0;
}

/* ── Check vs Audit comparison ───────────────────────────────────────────── */

.diag-vs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}

.diag-vs-card {
    border: 1px solid var(--line, rgba(242, 239, 233, 0.08));
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(17, 19, 23, 0.92), rgba(10, 11, 14, 0.96));
    padding: 1.75rem;
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.22);
}

.diag-vs-check {
    border-color: var(--accent-primary-medium);
}

.diag-vs-label {
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-primary);
    margin: 0 0 0.5rem;
}

.diag-vs-audit-card .diag-vs-label {
    color: var(--accent-secondary);
}

.diag-vs-card h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    margin: 0 0 0.5rem;
    color: var(--text-primary);
}

.diag-vs-card p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.55;
    margin: 0 0 1rem;
}

.diag-vs-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem;
}

.diag-vs-card ul li {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    padding: 0.3rem 0 0.3rem 1.4rem;
    position: relative;
    line-height: 1.5;
}

.diag-vs-card ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-primary);
}

.diag-vs-audit-card ul li::before {
    background: var(--accent-secondary);
}

/* ── Mobile ──────────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
    .diag-hero {
        padding: 3rem 0 2rem;
    }
    .diag-section {
        padding: 2.5rem 0;
    }
    .diag-form-card {
        padding: 1.25rem;
    }
    .diag-result-card {
        padding: 1rem;
    }
}