.page-book {
    --book-section-heading-size: clamp(2rem, 1.45rem + 1.8vw, 2.9rem);
    background:
        radial-gradient(circle at 14% 12%, rgba(24, 128, 158, 0.14), transparent 28%),
        radial-gradient(circle at 84% 16%, rgba(13, 91, 132, 0.11), transparent 24%),
        radial-gradient(circle at 50% 74%, rgba(15, 110, 168, 0.08), transparent 34%),
        linear-gradient(180deg, #f8fbfd 0%, #f3f7fa 48%, #f7fafc 100%);
    background-attachment: fixed;
}

.page-book::before {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.74)),
        radial-gradient(circle at 1px 1px, rgba(0, 95, 155, 0.045) 1px, transparent 0);
    opacity: 0.28;
}

.page-book .section,
.page-book .section--soft,
.page-book .section--cta {
    background: transparent;
}

.page-book .section {
    padding-top: calc(var(--space-8) * 0.25);
}

.page-book .section--flush {
    padding-top: calc((var(--space-8) + 2rem) * 0.25);
}

.page-book main {
    position: relative;
    isolation: isolate;
}

.page-book .section-heading {
    width: 100%;
    max-width: none;
    justify-items: center;
    text-align: center;
}

.page-book .section-heading h2 {
    width: 100%;
    max-width: none;
    font-size: var(--book-section-heading-size);
    line-height: 1.08;
    text-wrap: balance;
}

.book-hero-shell {
    position: relative;
    padding: clamp(2rem, 4vw, 3rem);
    border-radius: 40px;
    background:
        radial-gradient(circle at top left, rgba(25, 133, 161, 0.12), transparent 24%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(247, 250, 252, 0.9));
    border: 1px solid rgba(13, 13, 13, 0.06);
    box-shadow: 0 30px 70px rgba(8, 19, 29, 0.08);
    overflow: hidden;
}

.book-hero-shell::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 85% 20%, rgba(13, 91, 132, 0.16), transparent 20%),
        linear-gradient(90deg, transparent 0%, transparent 58%, rgba(13, 91, 132, 0.04) 100%);
    pointer-events: none;
}

.book-hero-grid {
    display: grid;
    grid-template-columns: 1fr;
}

.book-hero-copy {
    position: relative;
    z-index: 1;
    display: grid;
    gap: var(--space-4);
    justify-items: center;
    text-align: center;
}

.book-hero-copy .eyebrow {
    color: #0d5b84;
}

.book-hero-copy h1 {
    max-width: none;
    font-size: clamp(3rem, 7vw, 5.4rem);
    line-height: 0.95;
    color: #10263a;
}

.book-hero-copy .hero-lead {
    max-width: 72ch;
    color: rgba(16, 38, 58, 0.82);
}

.book-hero-support {
    max-width: 78ch;
    color: rgba(16, 38, 58, 0.72);
}

.book-hero-copy .button--secondary {
    background: rgba(13, 91, 132, 0.06);
    border-color: rgba(13, 91, 132, 0.14);
    color: var(--color-ink);
}

.book-hero-copy .button-row,
.book-proofline {
    justify-content: center;
}

.book-proofline {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.book-proofline span {
    padding: 0.55rem 0.85rem;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 700;
    color: #0d5b84;
    background: rgba(13, 91, 132, 0.08);
    border: 1px solid rgba(13, 91, 132, 0.1);
}

.book-hero-metrics {
    position: relative;
    z-index: 1;
    display: grid;
    width: 100%;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
    text-align: left;
}

.book-hero-metrics article,
.book-support-card {
    display: grid;
    gap: 0.45rem;
    padding: 1rem 1.05rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(13, 13, 13, 0.06);
    box-shadow: 0 12px 24px rgba(8, 19, 29, 0.05);
}

.book-hero-metrics strong,
.book-support-card h3 {
    color: #10263a;
}

.book-hero-metrics p,
.book-support-card p,
.book-support-card li {
    color: rgba(16, 38, 58, 0.72);
}

.book-support-card .eyebrow {
    color: #0d5b84;
}

.book-intake-shell,
.book-followup-shell {
    display: grid;
    gap: var(--space-5);
}

.book-intake-grid,
.book-followup-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: var(--space-5);
    align-items: start;
}

.book-form-heading {
    justify-items: start;
    text-align: left;
}

.book-form-heading h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

.page-book .form-card {
    background: rgba(255, 255, 255, 0.92);
}

.book-support-panel,
.book-context-panel {
    display: grid;
    gap: var(--space-3);
}

.book-support-card .stack-list {
    gap: var(--space-2);
}

.book-support-card .feature-list {
    gap: var(--space-2);
}

.book-support-card .feature-list > div {
    padding: 1rem 1.05rem;
}

.page-book .slot-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 1024px) {
    .book-hero-metrics,
    .book-intake-grid,
    .book-followup-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .page-book {
        --book-section-heading-size: clamp(1.95rem, 1.55rem + 1.3vw, 2.45rem);
    }
}

@media (max-width: 640px) {
    .page-book {
        --book-section-heading-size: clamp(1.8rem, 1.4rem + 2.1vw, 2.2rem);
    }

    .book-hero-metrics,
    .page-book .slot-grid {
        grid-template-columns: 1fr;
    }
}