/* ==========================================================================
   BIO-PRIME · Policy page
   ========================================================================== */

.bp-policy-page {
    --bp-primary-container: var(--bp-primary);
    --bp-mint-border: var(--bp-border);
    --bp-on-surface: var(--bp-text, #0F172A);
    --bp-on-surface-variant: var(--bp-body, #3c4948);
    --bp-tertiary: var(--bp-meta, #6c7a78);
    --bp-outline-variant: var(--bp-hair, #E6EDEB);
    --bp-surface-low: var(--bp-background, #F7FAFC);
    --bp-surface-high: var(--bp-hair, #E6EDEB);
    --bp-error: var(--bp-danger);

    --bp-max: 1240px;
    --bp-pad: 30px;

    font-family: var(--bp-font, "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif);
    color: var(--bp-on-surface);
    background:
        linear-gradient(180deg, #fff 0%, #fff 58%, var(--bp-background) 100%),
        radial-gradient(circle at 78% 8%, rgba(18, 176, 168, .12), transparent 34%);
    overflow: hidden;
}

.bp-policy-page *,
.bp-policy-page *::before,
.bp-policy-page *::after {
    box-sizing: border-box;
}

/* ---------- Page header ---------- */

.bp-policy-head {
    max-width: var(--bp-max);
    margin: 0 auto;
    padding: 40px var(--bp-pad) 42px;
}

.bp-policy-crumb {
    font-size: 14px;
    color: var(--bp-tertiary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.bp-policy-crumb a {
    color: var(--bp-tertiary);
    text-decoration: none;
    transition: color .2s ease;
}

.bp-policy-crumb a:hover { color: var(--bp-primary); }
.bp-policy-crumb strong { font-weight: 500; color: var(--bp-on-surface-variant); }

.bp-policy-head h1 {
    display: inline-block;
    max-width: 100%;
    font-size: clamp(44px, 6vw, 72px);
    line-height: 1;
    letter-spacing: 0;
    font-weight: 800;
    margin: 0 0 22px;
    color: var(--bp-on-surface);
    background: var(--bp-title-shimmer, linear-gradient(100deg,var(--bp-on-surface) 0%,var(--bp-on-surface) 32%,var(--bp-primary-dark) 43%,#35E0D4 49%,#BFFBF6 52%,#35E0D4 55%,var(--bp-primary) 61%,var(--bp-on-surface) 72%,var(--bp-on-surface) 100%));
    background-size: 220% 100%;
    background-position: 220% 0;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: bp-shimmer 2.5s linear infinite;
}

.bp-policy-lead {
    max-width: 690px;
    font-size: 18px;
    line-height: 1.65;
    color: var(--bp-on-surface-variant);
    margin: 0 0 12px;
}

.bp-policy-updated {
    font-size: 14px;
    font-style: italic;
    color: var(--bp-tertiary);
}

/* ---------- Quick nav (sticky) ---------- */

.bp-policy-quicknav {
    position: sticky;
    top: 108px;
    z-index: 40;
    max-width: var(--bp-max);
    margin: 0 auto 46px;
    padding: 0 var(--bp-pad);
}

.bp-policy-quicknav__inner {
    background: rgba(255, 255, 255, .88);
    border: 1px solid var(--bp-mint-border);
    border-radius: 9999px;
    padding: 24px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    box-shadow: 0 12px 34px rgba(17, 21, 23, .08), 0 0 28px rgba(53, 224, 212, .12);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.bp-policy-quicknav__label {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--bp-primary-dark);
    white-space: nowrap;
}

.bp-policy-quicknav__links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.bp-policy-quicknav__links a {
    font-size: 16px;
    font-weight: 700;
    color: var(--bp-on-surface-variant);
    text-decoration: none;
    transition: color .2s ease;
    white-space: nowrap;
}

.bp-policy-quicknav__links a:hover,
.bp-policy-quicknav__links a.is-active {
    color: var(--bp-primary);
    text-shadow: 0 0 18px rgba(53, 224, 212, .36);
}

.bp-policy-quicknav__links i {
    width: 1px;
    height: 16px;
    background: rgba(0, 106, 101, .2);
    display: block;
}

/* ---------- Body ---------- */

.bp-policy-body {
    max-width: var(--bp-max);
    margin: 0 auto;
    padding: 0 var(--bp-pad) 78px;
    display: flex;
    flex-direction: column;
    gap: 76px;
}

.bp-policy-section {
    scroll-margin-top: 180px;
}

.bp-policy-section > h2 {
    display: inline-block;
    max-width: 100%;
    font-size: clamp(32px, 3.6vw, 40px);
    line-height: 1.15;
    letter-spacing: -.01em;
    font-weight: 800;
    margin: 0 0 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--bp-surface-high);
    color: var(--bp-on-surface);
    background: var(--bp-title-shimmer, linear-gradient(100deg,var(--bp-on-surface) 0%,var(--bp-on-surface) 32%,var(--bp-primary-dark) 43%,#35E0D4 49%,#BFFBF6 52%,#35E0D4 55%,var(--bp-primary) 61%,var(--bp-on-surface) 72%,var(--bp-on-surface) 100%));
    background-size: 220% 100%;
    background-position: 220% 0;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: bp-shimmer 2.5s linear infinite;
}

.bp-policy-block + .bp-policy-block,
.bp-policy-alert + .bp-policy-block {
    margin-top: 32px;
}

.bp-policy-block h3 {
    font-size: 22px;
    line-height: 1.3;
    font-weight: 800;
    color: var(--bp-primary-dark);
    margin: 0 0 12px;
}

.bp-policy-block p {
    font-size: 18px;
    line-height: 1.6;
    color: var(--bp-on-surface-variant);
    margin: 0;
}

/* ---------- Alert box ---------- */

.bp-policy-alert {
    background: rgba(186, 26, 26, .05);
    border: 1px solid rgba(186, 26, 26, .1);
    border-radius: 16px;
    padding: 24px;
}

.bp-policy-alert h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 22px;
    line-height: 1.3;
    font-weight: 600;
    color: var(--bp-error);
    margin: 0 0 12px;
}

.bp-policy-alert__icon i {
    display: block;
    font-size: 22px;
    line-height: 1;
}

.bp-policy-alert p {
    font-size: 18px;
    line-height: 1.6;
    font-weight: 500;
    color: var(--bp-on-surface-variant);
    margin: 0;
}

/* ---------- Research-use disclaimer ---------- */

.bp-policy-disclaimer {
    max-width: var(--bp-max);
    margin: 0 auto 78px;
    padding: 0 var(--bp-pad);
}

.bp-policy-disclaimer__inner {
    background: rgba(238, 247, 246, .88);
    border: 1px solid var(--bp-mint-border);
    border-radius: 22px;
    padding: 26px;
    display: flex;
    align-items: center;
    gap: 24px;
    box-shadow: 0 18px 48px rgba(17, 21, 23, .06);
}

.bp-policy-disclaimer__icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 9999px;
    background: var(--bp-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.bp-policy-disclaimer__icon i {
    color: #fff;
    font-size: 26px;
    line-height: 1;
}

.bp-policy-disclaimer h4 {
    font-size: 22px;
    font-weight: 600;
    color: var(--bp-primary);
    margin: 0 0 4px;
}

.bp-policy-disclaimer p {
    font-size: 18px;
    line-height: 1.6;
    color: var(--bp-on-surface-variant);
    margin: 0;
}

/* ---------- CTA ---------- */

.bp-policy-cta {
    position: relative;
    width: calc(100% - (var(--bp-pad) * 2));
    max-width: calc(var(--bp-max) - (var(--bp-pad) * 2));
    margin: 0 auto 80px;
    min-height: 420px;
    overflow: hidden;
    border-radius: 32px;
    background: #0a1f1a;
    padding: 78px var(--bp-pad);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 28px 70px rgba(17, 21, 23, .12);
}

.bp-policy-cta::before,
.bp-policy-cta::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.bp-policy-cta::before {
    z-index: 0;
    background: var(--bp-policy-cta-bg) center / cover no-repeat;
    filter: blur(1px);
    opacity: .74;
    transform: scale(1.03);
}

.bp-policy-cta::after {
    z-index: 0;
    background: rgba(10, 31, 26, .34);
}

.bp-policy-cta h2 {
    position: relative;
    z-index: 1;
    display: inline-block;
    max-width: 680px;
    font-size: clamp(32px, 3.6vw, 40px);
    line-height: 1.15;
    letter-spacing: -.01em;
    font-weight: 800;
    margin: 0 auto 24px;
    color: #fff;
    background: none;
    -webkit-text-fill-color: #fff;
    animation: none;
    text-shadow: 0 14px 34px rgba(10, 31, 26, .24);
}

.bp-policy-cta p {
    position: relative;
    z-index: 1;
    max-width: 576px;
    margin: 0 auto 36px;
    font-size: 18px;
    line-height: 1.6;
    color: rgba(255, 255, 255, .9);
}

.bp-policy-btn {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bp-primary-container);
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    text-decoration: none;
    min-height: 56px;
    padding: 15px 36px;
    border-radius: 9999px;
    box-shadow: 0 14px 28px rgba(18, 176, 168, .18);
    transition: filter .2s ease, transform .2s ease, box-shadow .2s ease;
}

.bp-policy-btn:hover { background: #F4FFFE; color: var(--bp-primary-dark); filter: none; transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(53, 224, 212, .45), 0 14px 34px rgba(18, 176, 168, .28), 0 0 28px rgba(53, 224, 212, .22); }
.bp-policy-btn:active { transform: scale(.96); }

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
    .bp-policy-page { --bp-pad: 32px; }
}

@media (max-width: 860px) {
    .bp-policy-quicknav__inner {
        flex-direction: column;
        align-items: flex-start;
        border-radius: 20px;
        padding: 16px 20px;
    }
    .bp-policy-quicknav__links {
        gap: 12px;
        flex-wrap: wrap;
    }
}

@media (max-width: 640px) {
    .bp-policy-page { --bp-pad: 20px; }
    .bp-policy-head { padding-top: 42px; padding-bottom: 32px; }
    .bp-policy-head h1 { font-size: 40px; }
    .bp-policy-lead { font-size: 16px; }
    .bp-policy-quicknav { top: 92px; margin-bottom: 32px; }
    .bp-policy-body { gap: 56px; padding-bottom: 56px; }
    .bp-policy-section > h2 { font-size: 28px; }
    .bp-policy-block h3,
    .bp-policy-alert h3 { font-size: 20px; }
    .bp-policy-block p,
    .bp-policy-alert p,
    .bp-policy-disclaimer p { font-size: 16px; }
    .bp-policy-disclaimer__inner { flex-direction: column; text-align: center; }
    .bp-policy-cta { padding: 56px var(--bp-pad); }
    .bp-policy-cta h2 { font-size: 28px; }
    .bp-policy-btn { font-size: 15px; padding: 14px 32px; }
}

@media (prefers-reduced-motion: reduce) {
    .bp-policy-head h1,
    .bp-policy-section > h2,
    .bp-policy-cta h2 {
        animation: none;
        background-position: 0 0;
    }
}