.book-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80vh;
    gap: 50px;
    position: relative;
    padding-bottom: 50px;
}

.book-content {
    flex: 1;
    max-width: 600px;
    z-index: 2;
    color: #003c82;
}

.badge-coming-soon {
    display: inline-block;
    background: rgba(0, 60, 130, 0.1);
    color: #003c82;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.book-content h1 {
    font-family: 'Gotham', sans-serif;
    font-size: 3rem;
    line-height: 1.1;
    color: #003c82;
    margin-bottom: 20px;
}

.book-subtitle {
    font-size: 1.4rem;
    color: #00a0c8;
    font-weight: 600;
    margin-bottom: 30px;
    line-height: 1.4;
}

.book-description {
    font-size: 1.1rem;
    color: rgba(0, 0, 0, 0.80);
    margin-bottom: 40px;
    line-height: 1.8;
    font-weight: 600;
}

.notify-form {
    background: #fff;
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.05);
}

.notify-form p {
    margin-top: 0;
    margin-bottom: 15px;
    font-weight: 600;
    color: #333;
}

.input-group {
    display: flex;
    gap: 10px;
}

.input-group input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid #eee;
    border-radius: 8px;
    font-size: 1rem;
    transition: border 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: #003c82;
}

.input-group button {
    background: #003c82;
    color: #fff;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.3s;
    font-family: 'Gotham', sans-serif;
    text-transform: uppercase;
    font-size: 0.8rem;
}

.input-group button:hover {
    background: #0050aa;
}


.book-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
    position: relative;
}

.book-visual::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0,160,200,0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.book-wrapper {
    position: relative;
    animation: floatBook 6s ease-in-out infinite;
    z-index: 1;
}

.book {
    width: 300px;
    height: 440px;
    position: relative;
    transform-style: preserve-3d;
    transform: rotateY(-25deg) rotateX(10deg);
}

.book-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #003c82 0%, #001f4d 100%);
    border-radius: 5px 15px 15px 5px;
    box-shadow: inset 4px 0 10px rgba(0,0,0,0.3);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255,255,255,0.1);
}

.cover-content {
    text-align: center;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.2);
    padding: 20px;

    width: 70%;
    margin-left: 45px;

    height: 80%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.cover-logo img {
    margin-bottom: 20px;
    filter: drop-shadow(0 0 5px rgba(255,255,255,0.5));
    max-width: 450px;
}

.cover-content h3 {
    font-family: 'Gotham', sans-serif;
    font-size: 2rem;
    line-height: 1;
    margin: 0 0 20px 0;
    letter-spacing: 2px;
}

.cover-content .author {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    opacity: 0.8;
}

.book-spine {
    position: absolute;
    top: 0;
    left: 0;
    width: 50px;
    height: 100%;
    background: #002a5c;
    transform: rotateY(90deg) translateZ(-25px);
    transform-origin: left;
    border-radius: 5px 0 0 5px;
}

.book-pages {
    position: absolute;
    top: 5px;
    right: -45px;
    width: 45px;
    height: calc(100% - 10px);
    background: repeating-linear-gradient(90deg, #fff, #fff 2px, #eee 3px, #eee 4px);
    transform: rotateY(90deg) translateZ(-285px);
    transform-origin: right;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.1);
}

.book-shadow {
    position: absolute;
    bottom: -60px;
    left: 20px;
    width: 260px;
    height: 40px;
    background: rgba(0,0,0,0.2);
    border-radius: 50%;
    filter: blur(20px);
    transform: rotateX(80deg) rotateY(-10deg);
    animation: shadowScale 6s ease-in-out infinite;
}

@keyframes floatBook {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes shadowScale {
    0%, 100% { transform: rotateX(80deg) rotateY(-10deg) scale(1); opacity: 0.2; }
    50% { transform: rotateX(80deg) rotateY(-10deg) scale(0.8); opacity: 0.1; }
}


@media (max-width: 900px) {
    .book-container {
        flex-direction: column-reverse;
        padding-top: 30px;
        padding-bottom: 30px;
        gap: 40px;
        text-align: center;
        min-height: auto;
    }

    .book-content {
        max-width: 100%;
        padding: 0 15px;
        font-size: 1.5rem;
    }

    .input-group {
        flex-direction: column;
        gap: 15px;
    }

    .input-group input, .input-group button {
        width: 100%;
    }

    .badge-h1 {
        font-size: 1rem;
    }

    .cover-logo img {
        max-width: 300px;
    }
}

@media (max-width: 480px) {

    .book-content h1 {
        font-size: 1.2rem;
        line-height: 1.2;
        margin-bottom: 15px;

        word-wrap: break-word;
        overflow-wrap: break-word;
        -webkit-hyphens: auto;
        -moz-hyphens: auto;
        -ms-hyphens: auto;
        hyphens: auto;
    }

    .book-description {
        font-size: 1rem;
        text-align: left;
    }

    .book {
        width: 200px;
        height: 280px;
    }

    .book-pages {
        right: -35px;
        width: 35px;
        transform: rotateY(90deg) translateZ(-235px);
    }

    .cover-content h3 {
        font-size: 1.4rem;
    }

    .cover-logo img {
        max-width: 200px;
    }
}

@media (max-width: 800px) {
    .book-content h1 {
        font-size: 1.8rem;
    }
}