/* ============================================================
   content-pages.css — shared enhancements for SEO and content pages.
   ============================================================ */

.page-head {
    position: relative;
    padding: clamp(64px, 9vw, 112px) 0 clamp(36px, 6vw, 72px);
    overflow: hidden;
}
.page-head::before {
    content: "";
    position: absolute;
    inset: 0 calc(50% - 50vw);
    z-index: -1;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--primary) 8%, transparent), transparent 38%),
        radial-gradient(circle at 18% 24%, color-mix(in srgb, var(--brand-cyan) 14%, transparent), transparent 28%),
        linear-gradient(to bottom, var(--surface-warm), transparent);
}
.page-head .section__head {
    max-width: 900px;
    margin-bottom: 0;
}
.page-head h1 {
    max-width: 860px;
    margin-inline: auto;
    font-family: var(--font-display);
    font-size: clamp(2.35rem, 7vw, 5.1rem);
    font-weight: 800;
    letter-spacing: -0.055em;
}
.page-head p {
    margin: 20px auto 0;
    max-width: 760px;
    font-size: clamp(1.05rem, 2.2vw, 1.32rem);
    line-height: 1.62;
}
.cp-hero-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 28px;
}
.cp-proof-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    max-width: var(--container);
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 0.25rem);
    background: var(--border);
    box-shadow: var(--shadow-sm);
}
.cp-proof {
    min-height: 104px;
    padding: 22px;
    background: var(--card);
}
.cp-proof strong {
    display: block;
    font-size: clamp(1.2rem, 3vw, 1.85rem);
    line-height: 1;
    letter-spacing: var(--tracking-tight);
    color: var(--foreground);
}
.cp-proof span {
    display: block;
    margin-top: 9px;
    color: var(--muted-foreground);
    font-size: 0.92rem;
    line-height: 1.45;
}
.cp-answer-block {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: clamp(22px, 4vw, 34px);
    border: 1px solid color-mix(in srgb, var(--primary) 20%, var(--border));
    border-left: 5px solid var(--primary);
    border-radius: var(--radius);
    background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 7%, var(--card)), var(--card));
    box-shadow: var(--shadow-xs);
}
.cp-answer-block strong {
    display: block;
    margin-bottom: 8px;
    color: var(--foreground);
    font-size: 1.02rem;
}
.cp-answer-block p {
    margin: 0;
    color: var(--muted-foreground);
    line-height: 1.7;
}

/* ----- Lead intro block ----- */
.cp-intro {
    max-width: var(--container-narrow);
    margin: 0 auto;
    text-align: center;
}
.cp-intro .lead {
    font-size: clamp(1.1rem, 2.4vw, 1.35rem);
    line-height: 1.6;
    color: var(--muted-foreground);
}

/* ----- Section heading (centered) ----- */
.cp-heading {
    text-align: center;
    max-width: var(--container-narrow);
    margin: 0 auto 36px;
}
.cp-heading .eyebrow { justify-content: center; }
.cp-heading h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2.1rem);
    letter-spacing: var(--tracking-tight);
    margin: 6px 0 0;
}
.cp-heading p {
    color: var(--muted-foreground);
    margin: 12px auto 0;
    max-width: 620px;
}

/* ----- Icon feature cards ----- */
.cp-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: var(--container);
    margin: 0 auto;
}
.cp-card {
    position: relative;
    min-height: 190px;
    background: linear-gradient(180deg, var(--card), color-mix(in srgb, var(--surface-warm) 44%, var(--card)));
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 0.15rem);
    padding: 30px;
    box-shadow: var(--shadow-xs);
    overflow: hidden;
    transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), border-color 0.18s var(--ease);
}
.cp-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--brand-cyan));
    opacity: 0.7;
}
.cp-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: color-mix(in srgb, var(--primary) 28%, var(--border));
}
.cp-card__icon {
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: var(--accent-foreground);
    margin-bottom: 16px;
}
.cp-card__icon svg { width: 24px; height: 24px; }
.cp-card h3 {
    font-size: 1.12rem;
    margin: 0 0 8px;
    letter-spacing: var(--tracking-tight);
}
.cp-card p {
    margin: 0;
    color: var(--muted-foreground);
    font-size: 0.96rem;
    line-height: 1.6;
}

/* ----- Use-case cards with icon ----- */
.uc-card .cp-card__icon { margin-bottom: 14px; }

/* ----- Stats strip ----- */
.cp-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    max-width: var(--container);
    margin: 0 auto;
}
.cp-stat {
    text-align: center;
    background: var(--surface-warm);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 18px;
}
.cp-stat__num {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 800;
    line-height: 1;
    color: var(--primary);
    letter-spacing: var(--tracking-tight);
}
.cp-stat__label {
    display: block;
    margin-top: 8px;
    font-size: 0.88rem;
    color: var(--muted-foreground);
}

/* ----- Pull quote ----- */
.cp-quote {
    max-width: var(--container-narrow);
    margin: 0 auto;
    text-align: center;
    background: var(--accent);
    color: var(--accent-foreground);
    border-radius: var(--radius);
    padding: 44px 36px;
    position: relative;
}
.cp-quote::before {
    content: "\201C";
    display: block;
    font-family: var(--font-serif);
    font-size: 3.4rem;
    line-height: 0.6;
    opacity: 0.45;
    margin-bottom: 8px;
}
.cp-quote blockquote {
    margin: 0;
    font-family: var(--font-serif);
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    line-height: 1.45;
}
.cp-quote cite {
    display: block;
    margin-top: 18px;
    font-style: normal;
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.8;
}

/* ----- Examples: enhanced code block with description ----- */
.cp-code-block { margin-bottom: 26px; }
.cp-code-block__desc {
    color: var(--muted-foreground);
    font-size: 0.95rem;
    margin: 0 0 12px;
}

.cp-table-wrap {
    max-width: var(--container);
    margin: 0 auto;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card);
    box-shadow: var(--shadow-xs);
}
.cp-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 780px;
}
.cp-table th,
.cp-table td {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}
.cp-table th {
    color: var(--muted-foreground);
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: var(--surface-warm);
}
.cp-table tbody tr:last-child td { border-bottom: 0; }
.cp-table td { color: var(--foreground); }

/* ----- Callout / tip ----- */
.cp-callout {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: var(--brand-cyan-soft);
    border: 1px solid color-mix(in srgb, var(--brand-cyan) 35%, var(--border));
    border-radius: var(--radius);
    padding: 20px 22px;
    margin: 8px auto 28px;
}
.cp-callout__icon {
    flex: none;
    width: 26px;
    height: 26px;
    color: var(--brand-cyan);
}
.cp-callout__icon svg { width: 26px; height: 26px; }
.cp-callout__body { font-size: 0.96rem; line-height: 1.6; }
.cp-callout__body strong { display: block; margin-bottom: 4px; color: var(--foreground); }
.cp-callout__body span { color: var(--muted-foreground); }

/* ----- Resource link cards ----- */
.cp-reslist {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    max-width: var(--container);
    margin: 0 auto;
}
.cp-res {
    display: block;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 24px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), border-color 0.18s var(--ease);
}
.cp-res:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: color-mix(in srgb, var(--primary) 28%, var(--border));
}
.cp-res h3 {
    font-size: 1.02rem;
    margin: 0 0 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.cp-res h3 .cp-res__arrow {
    color: var(--primary);
    transition: transform 0.18s var(--ease);
}
.cp-res:hover h3 .cp-res__arrow { transform: translateX(4px); }
.cp-res p { margin: 0; color: var(--muted-foreground); font-size: 0.92rem; }

/* ----- Announcement timeline tweaks ----- */
.ann-item {
    position: relative;
    border-left: 3px solid var(--primary);
}
.ann-subscribe {
    text-align: center;
    color: var(--muted-foreground);
    font-size: 0.95rem;
    max-width: var(--container-narrow);
    margin: 28px auto 0;
}

.calc {
    max-width: 860px;
    margin: 0 auto;
    padding: clamp(24px, 4vw, 38px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--card);
    box-shadow: var(--shadow-md);
}
.calc__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}
.calc .field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.calc .field label {
    color: var(--muted-foreground);
    font-weight: 700;
    font-size: 0.88rem;
}
.calc select,
.calc input {
    min-height: 46px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--background);
    color: var(--foreground);
    padding: 10px 12px;
    font: inherit;
}
.calc__result {
    margin-top: 24px;
    padding: 22px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 12%, transparent), color-mix(in srgb, var(--brand-cyan) 10%, transparent));
    border: 1px solid color-mix(in srgb, var(--primary) 20%, var(--border));
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}
.calc__result-label,
.calc__result-unit {
    color: var(--muted-foreground);
    font-weight: 650;
}
.calc__result-value {
    font-family: var(--font-mono);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    color: var(--primary);
}
.calc__note {
    color: var(--muted-foreground);
    margin: 16px 0 0;
    text-align: center;
    font-size: 0.92rem;
}

/* ----- Responsive ----- */
@media (max-width: 1024px) {
    .cp-proof-strip { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
    .cp-stats { grid-template-columns: repeat(2, 1fr); }
    .cp-reslist { grid-template-columns: 1fr; }
    .page-head h1 { letter-spacing: -0.04em; }
}
@media (max-width: 640px) {
    .page-head { padding-top: 48px; }
    .cp-hero-actions { align-items: stretch; flex-direction: column; max-width: 360px; margin-inline: auto; }
    .cp-hero-actions .btn { width: 100%; }
    .cp-proof-strip { grid-template-columns: 1fr; }
    .cp-proof { min-height: auto; }
    .cp-cards { grid-template-columns: 1fr; }
    .cp-card { min-height: auto; padding: 24px; }
    .calc__grid { grid-template-columns: 1fr; }
    .cp-quote { padding: 34px 24px; }
    .cp-callout { flex-direction: column; gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
    .cp-card,
    .cp-res,
    .cp-res h3 .cp-res__arrow {
        transition: none;
    }
    .cp-card:hover,
    .cp-res:hover {
        transform: none;
    }
}

/* ===== Mobile: swipeable card rows for landing pages ===== */
@media (max-width: 720px) {
    .cp-cards {
        display: flex;
        grid-template-columns: none;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 12px;
        padding: 4px 4px 14px;
        margin: 0 -4px;
        scrollbar-width: thin;
        -webkit-overflow-scrolling: touch;
    }
    .cp-cards .cp-card {
        flex: 0 0 min(82%, 320px);
        scroll-snap-align: start;
    }
    .cp-reslist {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 12px;
        padding: 4px 4px 14px;
        margin: 0 -4px;
        scrollbar-width: thin;
        -webkit-overflow-scrolling: touch;
    }
    .cp-reslist .cp-res {
        flex: 0 0 min(82%, 320px);
        scroll-snap-align: start;
    }
}