/* Book demo section styling to match provided design */
.section-book-demo {
    padding: 8.4rem 0 6.4rem;
    background-color: #000;
    color: #fff;
}

.section-book-demo-content-header {
    max-width: 70.4rem;
    margin: 0 auto;
    text-align: center;
}

.section-book-demo-content-header h4 {
    color: #ff7a00;
    font-size: 1.1rem;
    letter-spacing: 0.242rem;
    text-transform: uppercase;
    font-weight: 700;
    line-height: 1.7rem;
    margin-bottom: 2rem;
}

.section-book-demo-content-header h2 {
    font-size: 4.8rem;
    line-height: 5.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 2.4rem;
}

.section-book-demo-content-header p {
    font-family: "Aptos";
    color: #FFFFFF8C;
    font-size: 1.6rem;
    font-weight: 400;
    line-height: 2rem;
}

.book-demo-cards {
    display: flex;
    gap: 1.32rem;
    justify-content: center;
    margin-top: 6rem;
    flex-wrap: wrap;
}

.demo-card {
    background: #0F0F0F;
    border-radius: 1.6rem;
    padding: 1.9rem;
    width: 30rem;
    border: 1px solid rgba(255,255,255,0.07);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.card-icon {
    width: 4.4rem;
    height: 4.4rem;
    border-radius: 1rem;
    background: #181818;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon svg { display:block; width: 2rem; height: 2rem; }

.card-title {
    font-family: "Aptos";
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 2.2rem;
}

.card-desc {
    font-family: "Aptos";
    color: #FFFFFF66;
    font-size: 1.6rem;
    font-weight: 400;
    line-height: 2rem;
}

@media (max-width: 1100px) {
    .book-demo-hero { min-height: auto;}
    .section-book-demo-content-header h2 { font-size: 3.2rem; }
    .demo-card { width: 42rem; }
    .book-demo-hero-img { max-width: 42rem; }   
}

@media (max-width: 800px) {
    .section-book-demo-content-header h2 { font-size: 2.6rem; line-height: 3.2rem; }
    .section-book-demo-content-header p { font-size: 1.4rem; }
    .book-demo-cards { gap: 1.2rem; margin-top: 3rem; }
    .demo-card { width: 48%; }
}

@media (max-width: 575px) {
    .section-book-demo { padding: 4.8rem 0; }
    .section-book-demo-content-header h2 { font-size: 2.2rem; line-height: 2.8rem; }
    .demo-card { width: 100%; }
    .section-book-demo-content-header h4 { font-size: 1.2rem; letter-spacing: .18rem; }
}