/* =========================================================
   Business Finder Directories - Utility pages (prefix: bu-)
   Shared by Privacy Policy, Successful Enquiry, and 404.
   ========================================================= */


/* =========================================================
   SECTION 1 - Page hero (primary blue gradient)
   Used by Privacy Policy only. Success + 404 skip the hero
   and use the centred callback layout instead.
   ========================================================= */

.bu-hero {
    position: relative;
    background:
        radial-gradient(ellipse at 15% 25%, rgba(255, 255, 255, 0.10) 0%, transparent 50%),
        linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: clamp(3rem, 6vw, 4.5rem) 0 clamp(3.5rem, 6vw, 5rem);
    overflow: hidden;
    text-align: center;
    isolation: isolate;
}
.bu-hero__deco {
    position: absolute;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}
.bu-hero__deco--1 {
    top: -140px;
    right: -140px;
    width: 380px;
    height: 380px;
    background: rgba(255, 255, 255, 0.09);
}
.bu-hero__deco--2 {
    bottom: -100px;
    left: -100px;
    width: 260px;
    height: 260px;
    background: var(--accent);
    opacity: 0.18;
}
.bu-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
}
.bu-hero__eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.90);
    font-weight: 700;
    margin-bottom: 1rem;
}
.bu-hero__title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin: 0 0 1rem;
    color: var(--white);
    font-weight: 800;
}
.bu-hero__lead {
    color: rgba(255, 255, 255, 0.92);
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 56ch;
    margin: 0 auto;
}


/* =========================================================
   SECTION 2 - Long-form prose (Privacy Policy)
   ========================================================= */

.bu-prose {
    max-width: 760px;
    margin: 0 auto;
}
.bu-prose h2 {
    font-size: clamp(1.4rem, 2.5vw, 1.85rem);
    color: var(--deep);
    margin: 2.5rem 0 1rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
}
.bu-prose h2:first-child {
    margin-top: 0;
}
.bu-prose h3 {
    font-size: 1.15rem;
    color: var(--deep);
    margin: 2rem 0 0.75rem;
    letter-spacing: -0.01em;
}
.bu-prose p {
    color: var(--muted);
    font-size: 1.02rem;
    line-height: 1.75;
    margin: 0 0 1.15rem;
}
.bu-prose p strong {
    color: var(--deep);
    font-weight: 700;
}
.bu-prose ul,
.bu-prose ol {
    color: var(--muted);
    line-height: 1.7;
    padding-left: 1.5rem;
    margin: 0 0 1.25rem;
}
.bu-prose li {
    margin-bottom: 0.5rem;
}
.bu-prose a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1.5px;
    transition: color var(--dur-fast) var(--ease);
}
.bu-prose a:hover {
    color: var(--primary-dark);
}


/* =========================================================
   SECTION 3 - Callback card (Success + 404)
   Centred layout, big icon badge, title/lead/actions.
   ========================================================= */

.bu-callback {
    background:
        radial-gradient(ellipse at 30% 20%, color-mix(in srgb, var(--primary) 8%, transparent) 0%, transparent 45%),
        radial-gradient(ellipse at 75% 80%, color-mix(in srgb, var(--accent) 10%, transparent) 0%, transparent 45%),
        linear-gradient(180deg, #F5F9FD 0%, #F7FAF7 100%);
    min-height: 60vh;
    display: flex;
    align-items: center;
    padding: clamp(3rem, 8vw, 6rem) 0;
}
.bu-callback__inner {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}
.bu-callback__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 88px;
    height: 88px;
    border-radius: 50%;
    font-size: 2.25rem;
    color: var(--white);
    margin: 0 auto 1.75rem;
    box-shadow: 0 10px 24px rgba(27, 38, 53, 0.10);
}
.bu-callback__icon--success {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    box-shadow: 0 10px 24px rgba(78, 139, 94, 0.30);
}
.bu-callback__icon--404 {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    box-shadow: 0 10px 24px rgba(32, 88, 144, 0.30);
    font-family: var(--font-head);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}
.bu-callback__eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 0.75rem;
}
.bu-callback__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--deep);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin: 0 0 1rem;
}
.bu-callback__lead {
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.6;
    margin: 0 0 2rem;
}
.bu-callback__actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.85rem;
}
.bu-callback__note {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--neutral-line);
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.5;
}
.bu-callback__note a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}


/* =========================================================
   SECTION 4 - Responsive
   ========================================================= */

@media (max-width: 640px) {
    .bu-hero {
        padding: clamp(2.5rem, 6vw, 3.5rem) 0 clamp(3rem, 6vw, 4rem);
    }
    .bu-hero__title {
        font-size: clamp(1.6rem, 8vw, 2.2rem);
    }
    .bu-callback__actions {
        flex-direction: column;
        align-items: stretch;
    }
    .bu-callback__actions .btn {
        width: 100%;
        justify-content: center;
    }
}