:root {
    --kb-header-h: 72px;
    --kb-page-w: 1120px;
    --color-primary: #7700ff;
    --color-secondary: #9933ff;
    --color-accent: #00ffff;
    --color-bg: #f9f7ff;
    --color-text: #1a1028;
    --color-muted: #5a4a72;
    --color-border: #d9cfff;
    --color-surface: #ffffff;
    --font-display: "Righteous", sans-serif;
    --font-body: "Roboto Mono", monospace;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.75rem;
    --space-xl: 2.75rem;
    --radius: 6px;
}

@media (max-width: 768px) {
    :root { --kb-header-h: 64px; }
}

*, *::before, *::after { box-sizing: border-box; }
html, body {
    max-width: 100%;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}
body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    padding-top: var(--kb-header-h);
}
html { scroll-padding-top: var(--kb-header-h); }
img, video, iframe { max-width: 100%; height: auto; }
a { color: var(--color-primary); }
a:hover { color: var(--color-secondary); }
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; line-height: 1.2; color: var(--color-primary); }
h1 { font-size: clamp(1.75rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.85rem); }
p { margin: 0 0 var(--space-md); }
ul, ol { padding-left: 1.2rem; }
[hidden] { display: none !important; }

.kb-flex { display: flex; }
.kb-flex-col { flex-direction: column; }
.kb-items-center { align-items: center; }
.kb-gap-sm { gap: var(--space-sm); }
.kb-gap-md { gap: var(--space-md); }
.kb-gap-lg { gap: var(--space-lg); }
.kb-text-bold { font-weight: 700; }
.kb-bg-primary { background: var(--color-primary); }

.kb-container {
    width: min(100% - 2rem, var(--kb-page-w));
    margin-inline: auto;
}
.kb-measure { max-width: 760px; }
.kb-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}
@media (max-width: 768px) {
    .kb-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .kb-grid { grid-template-columns: 1fr; }
}

.kb-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    min-height: var(--kb-header-h);
    background: var(--color-bg);
    box-shadow: none;
    border-bottom: 2px solid var(--color-border);
}
.kb-header a,
.kb-header a:visited { color: var(--color-text); text-decoration: none; }
.kb-header__row {
    min-height: var(--kb-header-h);
    justify-content: space-between;
    gap: var(--space-md);
}
.kb-header__logo { order: 2; flex-shrink: 0; }
.kb-header__logo img {
    width: 180px;
    height: auto;
    display: block;
}
.kb-nav { order: 1; flex-wrap: nowrap; }
.kb-nav a {
    font-size: 0.82rem;
    white-space: nowrap;
}
.kb-nav a.is-active { color: var(--color-primary); text-decoration: underline; }
.kb-header__cta { order: 3; margin-left: auto; flex-shrink: 0; }
.kb-header a.kb-btn,
.kb-header a.kb-btn:visited {
    color: var(--color-bg);
}
.kb-header a.kb-btn--primary,
.kb-header a.kb-btn--primary:visited {
    color: #fff;
}

.kb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.65rem 1.15rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    background: rgba(249, 247, 255, 0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--color-primary);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
}
.kb-btn--primary {
    background: rgba(119, 0, 255, 0.82);
    border-color: rgba(0, 255, 255, 0.55);
    color: #fff;
}
a.kb-btn--primary,
a.kb-btn--primary:visited { color: #fff; }
a.kb-btn:not(.kb-btn--primary),
a.kb-btn:not(.kb-btn--primary):visited { color: var(--color-primary); }

.kb-card {
    position: relative;
    border-radius: 6px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--space-lg);
}
.kb-card::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    border-width: 0 18px 18px 0;
    border-style: solid;
    border-color: var(--color-bg) var(--color-bg) var(--color-border) var(--color-border);
}

.kb-burger,
.kb-overlay,
.kb-drawer { display: none; }

.kb-layout--split {
    display: block;
}
.kb-layout__aside { margin-bottom: var(--space-lg); }
.kb-aside-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.kb-aside-card__label {
    margin: 0;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-muted);
}
.kb-aside-card__title { margin: 0; }
.kb-aside-card__facts {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--color-muted);
}
.kb-layout__aside { position: relative; }
[data-pin].is-pinned {
    position: fixed;
    top: var(--pin-top);
    left: var(--pin-left);
    width: var(--pin-w);
    z-index: 40;
}
[data-pin].is-end {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
}

.kb-hero {
    background: linear-gradient(145deg, #ffb347 0%, #ff6b9d 28%, #7700ff 62%, #00ffff 100%);
    color: #fff;
    padding: var(--space-xl) 0;
    margin-bottom: var(--space-xl);
}
.kb-hero__title { color: #fff; margin-top: 0; }
.kb-hero__text { max-width: 42rem; color: #f9f7ff; }
.kb-hero__nums {
    flex-wrap: wrap;
    margin: var(--space-lg) 0;
}
.kb-hero__num {
    min-width: 7rem;
    background: rgba(26, 16, 40, 0.28);
    border: 1px solid rgba(249, 247, 255, 0.35);
    border-radius: var(--radius);
    padding: var(--space-md);
}
.kb-hero__figure {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 5vw, 2.6rem);
    line-height: 1;
}
.kb-hero__caption {
    display: block;
    margin-top: var(--space-sm);
    font-size: 0.75rem;
    opacity: 0.9;
}
.kb-hero__actions { flex-wrap: wrap; margin-bottom: var(--space-lg); }
.kb-hero a.kb-btn,
.kb-hero a.kb-btn:visited {
    color: var(--color-primary);
    background: rgba(249, 247, 255, 0.88);
}
.kb-hero a.kb-btn--primary,
.kb-hero a.kb-btn--primary:visited {
    color: #fff;
    background: rgba(26, 16, 40, 0.55);
    border-color: var(--color-accent);
}
.kb-hero__still {
    display: block;
    max-width: 220px;
    max-height: 260px;
    margin-top: var(--space-md);
}

.kb-section {
    padding: var(--space-xl) 0;
}
.kb-section__title { margin-top: 0; }
.kb-section__note { color: var(--color-muted); font-size: 0.9rem; }

.kb-note__text {
    font-size: 1.05rem;
    max-width: 48rem;
}

.kb-rank__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}
.kb-rank__item {
    display: grid;
    grid-template-columns: 96px 1fr auto;
    grid-template-areas:
        "pos pos pos"
        "icon name preview"
        "icon dev preview"
        "icon tag preview"
        "desc desc preview"
        "facts facts facts"
        "actions actions actions";
    gap: var(--space-sm) var(--space-md);
    align-items: start;
}
.kb-rank__item .kb-app__icon { grid-area: icon; }
.kb-rank__item .kb-rank__pos { grid-area: pos; margin: 0; font-family: var(--font-display); color: var(--color-secondary); }
.kb-rank__item .kb-rank__name { grid-area: name; margin: 0; min-width: 0; }
.kb-rank__item .kb-rank__dev { grid-area: dev; margin: 0; color: var(--color-muted); font-size: 0.85rem; min-width: 0; overflow-wrap: anywhere; }
.kb-rank__item .kb-rank__tag {
    grid-area: tag;
    margin: 0;
    display: inline-block;
    width: fit-content;
    padding: 0.2rem 0.55rem;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.75rem;
    border-radius: 4px;
}
.kb-rank__item .kb-rank__desc { grid-area: desc; margin: 0; min-width: 0; }
.kb-rank__item .kb-rank__facts {
    grid-area: facts;
    margin: 0;
    color: var(--color-muted);
    font-size: 0.85rem;
    overflow-wrap: anywhere;
    min-width: 0;
}
.kb-rank__item .kb-app__preview { grid-area: preview; justify-self: end; }
.kb-rank__item .kb-rank__actions {
    grid-area: actions;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.kb-app__icon {
    width: 96px;
    height: 96px;
    border-radius: 22%;
    object-fit: contain;
    flex-shrink: 0;
}
.kb-app__preview {
    width: auto;
    height: auto;
    max-width: 200px;
    max-height: 240px;
    object-fit: contain;
}
.kb-review .kb-app__preview {
    max-width: 280px;
    max-height: 280px;
}

.kb-chart__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.kb-chart__row {
    display: grid;
    grid-template-columns: minmax(0, 10rem) 1fr auto;
    gap: var(--space-md);
    align-items: center;
}
.kb-chart__label { min-width: 0; overflow-wrap: anywhere; }
.kb-chart__track {
    display: block;
    height: 14px;
    background: var(--color-border);
    border-radius: 999px;
    overflow: hidden;
}
.kb-chart__bar {
    display: block;
    height: 100%;
    width: var(--kb-w, 50%);
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}
.kb-chart__val { font-weight: 700; color: var(--color-primary); }

.kb-timeline__list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-left: 3px solid var(--color-secondary);
}
.kb-timeline__list > li {
    position: relative;
    padding: 0 0 var(--space-lg) var(--space-lg);
}
.kb-timeline__list > li::before {
    content: "";
    position: absolute;
    left: -7px;
    top: 0.35rem;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 2px solid var(--color-primary);
}
.kb-timeline__list time {
    display: block;
    font-size: 0.8rem;
    color: var(--color-muted);
    margin-bottom: var(--space-xs);
}

.kb-faq__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.kb-faq__q {
    width: 100%;
    min-height: 54px;
    text-align: left;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text);
    cursor: pointer;
}
.kb-faq__q::after {
    content: " +";
    float: right;
    color: var(--color-primary);
}
.kb-faq__q[aria-expanded="true"]::after { content: " –"; }
.kb-faq__a {
    padding: 0.75rem 0.25rem 1rem;
    color: var(--color-muted);
}
.kb-faq__a p { margin: 0; }

.kb-blog-card {
    display: block;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    padding: 0;
}
.kb-blog-card__band {
    height: 72px;
    background: linear-gradient(120deg, var(--color-primary), var(--color-secondary));
}
.kb-blog-card__band--alt {
    background: linear-gradient(120deg, #ff6b9d, var(--color-primary));
}
.kb-blog-card__band--cyan {
    background: linear-gradient(120deg, var(--color-secondary), var(--color-accent));
}
.kb-blog-card h3,
.kb-blog-card p {
    padding: 0 var(--space-md);
}
.kb-blog-card h3 { margin: var(--space-md) 0 var(--space-sm); color: var(--color-primary); }
.kb-blog-card p { color: var(--color-muted); padding-bottom: var(--space-md); }

.kb-cta {
    background: linear-gradient(120deg, var(--color-primary), #ff6b9d 55%, #ffb347);
    color: #fff;
}
.kb-cta .kb-section__title,
.kb-cta p { color: #fff; }
.kb-cta a.kb-btn--primary,
.kb-cta a.kb-btn--primary:visited {
    color: var(--color-primary);
    background: rgba(249, 247, 255, 0.92);
    border-color: #fff;
}

.kb-footer {
    background: #1a1028;
    color: #f9f7ff;
    padding: var(--space-xl) 0;
    text-align: center;
}
.kb-footer__stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}
.kb-footer__lead { max-width: 36rem; margin: 0; }
.kb-footer__links {
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
    justify-content: center;
}
.kb-footer a,
.kb-footer a:visited,
.kb-footer__link {
    color: var(--color-accent);
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
}
.kb-footer__legal,
.kb-footer__copy {
    margin: 0;
    font-size: 0.85rem;
    color: #cbbce6;
    max-width: 44rem;
}

.kb-cookie { display: none; }
.kb-cookie:not([hidden]) {
    display: flex;
    flex-direction: column;
    position: fixed;
    z-index: 110;
    gap: 12px;
    bottom: 16px;
    left: 16px;
    max-width: 360px;
    padding: var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}
.kb-cookie p { margin: 0; font-size: 0.9rem; }
.kb-cookie__actions { display: flex; gap: var(--space-sm); }
.kb-cookie .kb-btn {
    box-shadow: none;
    min-height: 44px;
}

.kb-columns__list {
    list-style: none;
    margin: var(--space-lg) 0 0;
    padding: 0;
}
.kb-columns__item {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border);
}
.kb-columns__item h2 { margin: 0 0 var(--space-sm); font-size: 1.25rem; }
.kb-columns__item time { font-size: 0.8rem; color: var(--color-muted); }

.kb-reviews-hub {
    list-style: none;
    margin: var(--space-lg) 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.kb-reviews-hub__item {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}
.kb-reviews-hub__item > div { min-width: 0; }
.kb-reviews-hub__item h2 { margin: 0 0 var(--space-xs); font-size: 1.15rem; }
.kb-reviews-hub__item p { margin: 0; color: var(--color-muted); }

.kb-glossary__nav {
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}
.kb-glossary__nav a {
    display: inline-flex;
    min-width: 40px;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-decoration: none;
}
.kb-glossary dt {
    font-family: var(--font-display);
    color: var(--color-primary);
    margin-top: var(--space-md);
}
.kb-glossary dd {
    margin: var(--space-xs) 0 var(--space-sm);
    color: var(--color-muted);
}

.kb-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-width: 640px;
    margin-bottom: var(--space-xl);
}
.kb-form__row { display: flex; flex-direction: column; gap: var(--space-xs); }
.kb-form input,
.kb-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    background: var(--color-surface);
}
.kb-form__status {
    color: var(--color-primary);
}
.kb-contact__details {
    color: var(--color-muted);
}

.kb-back { margin-bottom: var(--space-md); }
.kb-review__facts {
    margin: var(--space-lg) 0;
}
.kb-review__facts ul {
    margin: var(--space-md) 0;
    padding-left: 1.1rem;
    overflow-wrap: anywhere;
}
.kb-app__checked {
    font-size: 0.85rem;
    color: var(--color-muted);
}
.kb-article { padding-bottom: var(--space-xl); }
.kb-article__intro { font-size: 1.05rem; }

[data-reveal] { opacity: 0; }
[data-reveal].is-in {
    animation: kb-k-blur 0.5s ease both;
}
@keyframes kb-k-blur {
    from { filter: blur(8px); opacity: 0; }
    to { filter: blur(0); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
    [data-reveal],
    [data-reveal].is-in {
        opacity: 1;
        animation: none;
        filter: none;
    }
}

@media (min-width: 1024px) {
    .kb-layout--split {
        display: grid;
        grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
        align-items: stretch;
        gap: var(--space-lg);
        width: min(100% - 2rem, var(--kb-page-w));
        margin-inline: auto;
    }
    .kb-layout--split > .kb-layout__main > .kb-hero .kb-container,
    .kb-layout--split > .kb-layout__main > .kb-section > .kb-container {
        width: 100%;
        margin: 0;
        padding-inline: var(--space-md);
    }
    .kb-layout__aside {
        position: relative;
        margin: 0;
        padding: var(--space-xl) var(--space-md) var(--space-xl) 0;
        min-height: 100%;
        align-self: stretch;
    }
}

@media (max-width: 1100px) {
    .kb-nav { display: none; }
    .kb-header__cta { display: none; }
    .kb-header__logo { order: 1; }
    .kb-header__row { display: flex; align-items: center; justify-content: space-between; }
    .kb-header__logo img { width: 120px; }
    .kb-burger {
        display: block;
        order: 3;
        width: 44px;
        height: 44px;
        margin-left: auto;
        border: none;
        background: transparent;
        cursor: pointer;
        padding: 8px;
    }
    .kb-burger span {
        display: block;
        height: 2px;
        margin: 6px 0;
        background: var(--color-primary);
    }
    .kb-overlay {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 200;
        background: rgba(0, 0, 0, 0.45);
        opacity: 0;
        visibility: hidden;
        transition: opacity .25s, visibility .25s;
    }
    .kb-drawer {
        display: block;
        position: fixed;
        z-index: 210;
        background: var(--color-bg);
        overflow-y: auto;
        visibility: hidden;
        transition: transform .3s ease, opacity .3s ease, visibility .3s;
    }
    .kb-drawer--narrow {
        top: 0;
        right: 0;
        height: 100vh;
        height: 100dvh;
        width: min(75vw, 320px);
        padding: 64px 0 20px;
        transform: translateX(100%);
    }
    .kb-drawer--narrow a {
        display: block;
        padding: 10px 20px;
        font-size: .95rem;
        color: var(--color-text);
        text-decoration: none;
    }
    .kb-drawer__close {
        position: absolute;
        top: 12px;
        right: 16px;
        width: 44px;
        height: 44px;
        border: none;
        background: transparent;
        font-size: 1.6rem;
        cursor: pointer;
        color: var(--color-primary);
    }
    body.nav-open { overflow: hidden; }
    body.nav-open .kb-overlay { opacity: 1; visibility: visible; }
    body.nav-open .kb-drawer--narrow { transform: translateX(0); visibility: visible; }
}

@media (max-width: 768px) {
    .kb-rank__item {
        grid-template-columns: 72px 1fr;
        grid-template-areas:
            "pos pos"
            "icon name"
            "icon dev"
            "tag tag"
            "desc desc"
            "facts facts"
            "preview preview"
            "actions actions";
    }
    .kb-rank__item .kb-app__icon { width: 72px; height: 72px; }
    .kb-rank__item .kb-app__preview {
        display: block;
        margin: 16px auto 0;
        justify-self: center;
    }
    .kb-hero__actions .kb-btn { width: 100%; }
    .kb-chart__row {
        grid-template-columns: 1fr;
        gap: var(--space-xs);
    }
    .kb-cookie:not([hidden]) {
        left: 12px;
        right: 12px;
        max-width: none;
    }
    .kb-reviews-hub__item {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 520px) {
    .kb-rank__item {
        grid-template-columns: 1fr;
        grid-template-areas:
            "pos"
            "icon"
            "name"
            "dev"
            "tag"
            "desc"
            "facts"
            "preview"
            "actions";
    }
}