/* =========================
   BOOK PAGE
   ========================= */

.book-page {
    padding: 80px 5% 100px;
}

.book-hero {
    max-width: 1200px;
    margin: 0 auto 100px;
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 70px;
    align-items: center;
}

.book-copy {
    max-width: 650px;
}

.book-cover {
    display: flex;
    justify-content: center;
    order: 2;
}

.book-cover img {
    width: 320px;
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.book-copy h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.05;
    margin: 15px 0 25px;
}

.book-copy p {
    color: var(--muted);
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: 30px;
}

.section-tag {
    color: #2ee6e6;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.book-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.book-actions a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    border-radius: 999px;
    text-decoration: none;
    color: white;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: 0.2s ease;
}

.book-actions a:hover {
    background: rgba(118, 87, 255, 0.25);
    border-color: rgba(118, 87, 255, 0.6);
    transform: translateY(-2px);
}

.book-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 24px;
    border-radius: 999px;
    text-decoration: none;
    color: white;
    font-weight: 700;
    background: linear-gradient(90deg, #7657ff, #36c9d8);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.book-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(80, 70, 200, 0.3);
}

.founder-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 50px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    text-align: center;
}

.founder-section h2 {
    font-size: 2.5rem;
    margin: 15px 0;
}

.founder-section p {
    color: var(--muted);
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 700px;
    margin: 15px auto;
}

.founder-section strong {
    color: white;
}


/* =========================
   MOBILE
   ========================= */

@media (max-width: 768px) {

    .book-page {
        padding: 50px 20px 70px;
    }

    .book-hero {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 60px;
        text-align: center;
    }

    .book-cover {
        order: 1;
    }

    .book-cover img {
        width: 260px;
    }

    .book-copy {
        order: 2;
        margin: 0 auto;
    }

    .book-actions {
        justify-content: center;
    }

    .book-button {
        width: 100%;
    }

    .founder-section {
        padding: 30px 20px;
    }

    .founder-section h2 {
        font-size: 2rem;
    }
}