*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body.kc-body {
    margin: 0;
    background: #0d0d0d;
    color: #f3f0e8;
    font-family: Georgia, "Times New Roman", serif;
    line-height: 1.6;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

.kc-wrap {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.kc-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(13, 13, 13, 0.94);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
}

.kc-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 88px;
}

.kc-brand__logo {
    max-height: 44px;
    width: auto;
}

.kc-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.kc-nav__link {
    color: #d7d1c5;
    font-size: 0.98rem;
    letter-spacing: 0.04em;
    transition: color 0.2s ease;
}

.kc-nav__link:hover,
.kc-nav__link.is-active {
    color: #ffffff;
}

.kc-main {
    min-height: 100vh;
}

.kc-hero {
    padding: 96px 0 72px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background:
        radial-gradient(circle at top center, rgba(189, 157, 79, 0.14), transparent 38%),
        #0d0d0d;
}

.kc-hero__eyebrow,
.kc-statement__eyebrow,
.kc-card__meta,
.kc-article__meta,
.kc-detail__meta {
    margin: 0 0 12px;
    color: #c4a86a;
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.kc-hero__title {
    margin: 0 0 12px;
    font-size: clamp(2.4rem, 5vw, 4.4rem);
    line-height: 1.05;
}

.kc-hero__claim {
    margin: 0 0 18px;
    max-width: 760px;
    color: #e8dfcf;
    font-size: clamp(1.15rem, 2vw, 1.5rem);
}

.kc-hero__intro,
.kc-page-intro,
.kc-statement__text,
.kc-detail__text,
.kc-card__text,
.kc-article__content p,
.kc-footer__text {
    color: #cfc8bb;
}

.kc-hero__intro {
    max-width: 760px;
    margin: 0;
    font-size: 1.05rem;
}

.kc-section {
    padding: 72px 0;
}

.kc-section--alt {
    background: #121212;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.kc-section__head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
}

.kc-section__title,
.kc-page-title,
.kc-detail__title,
.kc-article__title,
.kc-statement__title {
    margin: 0;
    line-height: 1.15;
}

.kc-section__title,
.kc-page-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.kc-section__link,
.kc-inline-link {
    color: #e2c27c;
}

.kc-section__link:hover,
.kc-inline-link:hover {
    color: #f0d79b;
}

.kc-grid {
    display: grid;
    gap: 24px;
}

.kc-grid--books {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: end;
    gap: 32px 28px;
    padding-bottom: 18px;
    position: relative;
}

.kc-grid--books::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 12px;
    background: linear-gradient(
        to bottom,
        #5c4122 0%,
        #7a5530 35%,
        #4f351c 100%
    );
    border-radius: 4px;
    box-shadow:
        0 8px 18px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        inset 0 -2px 0 rgba(0, 0, 0, 0.28);
}

.kc-grid--posts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.kc-card {
    background: #171717;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.kc-card:hover {
    transform: translateY(-3px);
    border-color: rgba(226, 194, 124, 0.32);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
}

.kc-card__link {
    display: block;
    height: 100%;
}

.kc-card--book {
    background: transparent;
    border: none;
    box-shadow: none;
    position: relative;
    z-index: 1;
}

.kc-card--book:hover {
    transform: translateY(-8px);
    border-color: transparent;
    box-shadow: none;
}

.kc-card--book .kc-card__link {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.kc-card--book .kc-card__media {
    background: transparent;
    padding: 0;
    margin: 0 auto;
    width: min(100%, 360px);
    position: relative;
}

.kc-card--book .kc-card__media::after {
    content: "";
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: -10px;
    height: 18px;
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.45) 0%, rgba(0, 0, 0, 0) 75%);
    z-index: -1;
    pointer-events: none;
}

.kc-card--book .kc-card__image {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 2px;
    box-shadow:
        0 16px 30px rgba(0, 0, 0, 0.38),
        6px 0 0 rgba(255, 255, 255, 0.03),
        inset 0 0 0 1px rgba(255, 255, 255, 0.08);
    transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.kc-card--book:hover .kc-card__image {
    transform: translateY(-6px) scale(1.01);
    box-shadow:
        0 22px 40px rgba(0, 0, 0, 0.44),
        6px 0 0 rgba(255, 255, 255, 0.04),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.kc-card--book .kc-card__body {
    margin-top: 18px;
    padding: 0;
    background: transparent;
    text-align: center;
}

.kc-card--book .kc-card__meta {
    margin-bottom: 10px;
}

.kc-card--book .kc-card__title {
    margin: 0 0 8px;
    font-size: 1.55rem;
    line-height: 1.2;
}

.kc-card--book .kc-card__subtitle {
    margin: 0 0 12px;
    color: #e7dcc7;
    font-size: 1rem;
}

.kc-card--book .kc-card__text {
    margin: 0 auto;
    max-width: 34ch;
}

.kc-card--post .kc-card__body {
    padding: 20px;
}

.kc-card__title {
    margin: 0 0 8px;
    font-size: 1.45rem;
    line-height: 1.2;
}

.kc-card__subtitle {
    margin: 0 0 12px;
    color: #e7dcc7;
    font-size: 1rem;
}

.kc-card__text {
    margin: 0;
}

.kc-card__action {
    margin: 14px 0 0;
}

.kc-statement {
    max-width: 760px;
}

.kc-statement__title {
    margin-bottom: 16px;
    font-size: clamp(2rem, 3.5vw, 3rem);
}

.kc-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    background: #c4a86a;
    color: #111111;
    font-weight: 700;
    border: 1px solid #c4a86a;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.kc-button:hover {
    background: #d3b87d;
    border-color: #d3b87d;
}

.kc-button--ghost {
    background: transparent;
    color: #f3f0e8;
    border-color: rgba(255, 255, 255, 0.18);
}

.kc-button--ghost:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.28);
}

.kc-detail {
    display: grid;
    grid-template-columns: 380px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
}

.kc-detail__image {
    width: 100%;
    background: #111111;
    box-shadow:
        0 18px 34px rgba(0, 0, 0, 0.38),
        6px 0 0 rgba(255, 255, 255, 0.03),
        inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.kc-detail__subtitle {
    margin: 0 0 18px;
    color: #e4d9c7;
    font-size: 1.1rem;
}

.kc-detail__text {
    margin: 0 0 24px;
}

.kc-book-meta {
    display: grid;
    gap: 10px;
    margin: 0 0 28px;
    padding: 18px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.kc-book-meta__item {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
}

.kc-book-meta__label {
    min-width: 140px;
    color: #c4a86a;
    font-size: 0.92rem;
    letter-spacing: 0.03em;
}

.kc-book-meta__value {
    color: #f3f0e8;
}

.kc-buy-box {
    margin: 28px 0 24px;
    display: grid;
    gap: 20px;
}

.kc-buy-box__group {
    display: grid;
    gap: 12px;
}

.kc-buy-box__title {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.2;
    color: #f3f0e8;
}

.kc-buy-box__links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.kc-detail__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.kc-article {
    max-width: 760px;
}

.kc-article__title {
    margin-bottom: 20px;
    font-size: clamp(2rem, 4vw, 3.3rem);
}

.kc-article__content p {
    margin: 0 0 18px;
    font-size: 1.05rem;
}

.kc-article__back {
    margin-top: 28px;
}

.kc-footer {
    padding: 36px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: #0a0a0a;
}

.kc-footer__inner {
    display: grid;
    gap: 20px;
}

.kc-footer__text,
.kc-footer__copyright {
    margin: 0;
}

.kc-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.kc-footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.kc-footer__link {
    color: #d7d1c5;
}

.kc-footer__link:hover {
    color: #ffffff;
}

@media (max-width: 900px) {
    .kc-header__inner {
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        padding: 16px 0;
    }

    .kc-grid--books,
    .kc-grid--posts,
    .kc-detail {
        grid-template-columns: 1fr;
    }

    .kc-grid--books {
        gap: 28px;
    }

    .kc-section__head,
    .kc-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .kc-book-meta__item {
        flex-direction: column;
        gap: 4px;
    }

    .kc-book-meta__label {
        min-width: 0;
    }
}

@media (max-width: 640px) {
    .kc-wrap {
        width: min(100% - 24px, 1120px);
    }

    .kc-hero {
        padding: 72px 0 56px;
    }

    .kc-section {
        padding: 56px 0;
    }

    .kc-nav {
        gap: 14px;
    }

    .kc-nav__link {
        font-size: 0.94rem;
    }

    .kc-card--post .kc-card__body {
        padding: 16px;
    }

    .kc-card--book .kc-card__body {
        margin-top: 16px;
    }
}