/* ============ HERO ============ */
.kc-hero {
    width: 100%;
    height: 75vh;
    min-height: 500px;
    background: #0a0a0a;
    overflow: hidden;
    position: relative;
}

.kc-hero__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

/* ============ INTRO ============ */
.kc-intro {
    background: #000;
    padding: 80px 20px 40px;
    text-align: center;
}

.kc-intro__title {
    color: #fff;
    font-size: 2rem;
    letter-spacing: 0.25em;
    font-weight: 400;
    margin: 0 0 30px;
    text-transform: uppercase;
}

.kc-intro__text {
    max-width: 900px;
    margin: 0 auto;
    color: #b8b8b8;
    line-height: 1.8;
    font-size: 1rem;
}

/* ============ KATALOG (EMBED) ============ */
.kc-book-section {
    background: #000;
    padding: 40px 20px 100px;
    text-align: center;
}

.kc-book-title {
    color: #fff;
    font-size: 1.5rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 400;
    margin: 0 0 40px;
}

.kc-book-stage {
    position: relative;
    max-width: 1300px;
    margin: 0 auto 30px;
    padding: 30px 80px;
    background: #2a2a2a;
    min-height: 560px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kc-flipbook {
    width: 100%;
    max-width: 1100px;
}

.kc-book-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    width: 48px;
    height: 64px;
    line-height: 1;
    z-index: 5;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s;
    padding: 0;
}

    .kc-book-nav:hover {
        background: rgba(255,255,255,.2);
    }

.kc-book-nav--prev {
    left: 16px;
}

.kc-book-nav--next {
    right: 16px;
}

.kc-book-toolbar {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.kc-toolbar__btn {
    background: transparent;
    border: 1px solid rgba(255,255,255,.3);
    color: #fff;
    width: 38px;
    height: 38px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    border-radius: 4px;
    transition: background .2s;
    line-height: 1;
    padding: 0;
}

    .kc-toolbar__btn:hover {
        background: rgba(255,255,255,.15);
    }

.kc-toolbar__page {
    width: 56px;
    height: 38px;
    background: transparent;
    border: 1px solid rgba(255,255,255,.3);
    color: #fff;
    text-align: center;
    border-radius: 4px;
    font-size: 0.95rem;
}

    .kc-toolbar__page:focus {
        outline: none;
        border-color: rgba(255,255,255,.7);
    }

    .kc-toolbar__page::-webkit-inner-spin-button,
    .kc-toolbar__page::-webkit-outer-spin-button {
        -webkit-appearance: none;
        margin: 0;
    }

.kc-toolbar__total {
    color: #ccc;
    font-size: 0.9rem;
    min-width: 50px;
    text-align: left;
}

.kc-book-soon {
    color: #888;
    font-size: 1rem;
    padding: 60px 0;
}

.kc-book-section:fullscreen {
    background: #1a1a1a;
    padding: 30px;
    overflow: auto;
}

    .kc-book-section:fullscreen .kc-book-stage {
        background: transparent;
        min-height: calc(100vh - 200px);
    }

@media (max-width: 600px) {
    .kc-hero {
        height: 50vh;
        min-height: 300px;
    }

    .kc-intro {
        padding: 50px 16px 30px;
    }

    .kc-intro__title {
        font-size: 1.4rem;
        letter-spacing: 0.18em;
    }

    .kc-book-title {
        font-size: 1.2rem;
        letter-spacing: 0.18em;
    }

    .kc-book-stage {
        padding: 20px 8px;
        min-height: 380px;
    }

    .kc-book-nav {
        width: 36px;
        height: 50px;
        font-size: 1.6rem;
    }

    .kc-book-nav--prev {
        left: 4px;
    }

    .kc-book-nav--next {
        right: 4px;
    }

    .kc-book-toolbar {
        gap: 8px;
    }

    .kc-toolbar__btn {
        width: 34px;
        height: 34px;
    }

    .kc-toolbar__page {
        width: 48px;
        height: 34px;
    }
}