/* ===== Lubricants Handbook Announcement ===== */
.hb-section {
    position: relative;
    overflow: hidden;
    margin-top: 40px;
    background: linear-gradient(135deg, #131e4a 0%, #1a2a5e 100%);
}

.hb-section::before {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    top: -200px;
    left: -160px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(190, 10, 6, 0.28), transparent 70%);
    pointer-events: none;
}

.hb-section .container {
    position: relative;
    z-index: 1;
}

.hb-layout {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.hb-text,
.hb-media {
    width: 100%;
    padding: 0 15px;
}

.hb-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    background: #be0a06;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 22px;
}

.hb-title {
    font-size: 30px;
    line-height: 1.4;
    font-weight: 800;
    color: #fff;
    margin: 0 0 18px;
}

.hb-title span {
    color: #ff5a55;
}

.hb-meta {
    color: #c4cbe4;
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin: 0 0 28px;
}

.hb-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.hb-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.3s ease;
}

.hb-btn--primary {
    background: #be0a06;
    border: 2px solid #be0a06;
    color: #fff;
}

.hb-btn--primary:hover,
.hb-btn--primary:focus {
    background: #fff;
    border-color: #fff;
    color: #be0a06;
    transform: translateY(-3px);
    text-decoration: none;
}

.hb-btn--ghost {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.45);
    color: #fff;
}

.hb-btn--ghost:hover,
.hb-btn--ghost:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff;
    transform: translateY(-3px);
    text-decoration: none;
}

.hb-book {
    display: block;
    position: relative;
    width: 260px;
    max-width: 80%;
    margin: 45px auto 0;
    border-radius: 6px 14px 14px 6px;
    overflow: hidden;
    box-shadow: -6px 0 0 rgba(0, 0, 0, 0.35), 0 28px 60px rgba(0, 0, 0, 0.55);
    transform: perspective(1000px) rotateY(-14deg);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.hb-book::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.35) 0, rgba(255, 255, 255, 0.15) 3%, transparent 8%);
    pointer-events: none;
}

.hb-book:hover {
    transform: perspective(1000px) rotateY(0deg) translateY(-8px);
    box-shadow: -6px 0 0 rgba(0, 0, 0, 0.35), 0 38px 70px rgba(0, 0, 0, 0.6);
}

.hb-book img {
    display: block;
    width: 100%;
    height: auto;
}

@media (min-width: 992px) {
    .hb-text {
        width: 58%;
        padding-right: 40px;
    }

    .hb-media {
        width: 42%;
    }

    .hb-title {
        font-size: 32px;
    }

    .hb-book {
        margin-top: 0;
        width: 300px;
    }
}

@media (max-width: 480px) {
    .hb-title {
        font-size: 22px;
    }
}

@media (prefers-reduced-motion: reduce) {

    .hb-book,
    .hb-btn {
        transition: none;
    }
}