:root {
    --color-primary: #ffc107;
    --color-secondary: #ffb300;
    --color-accent: #ff6f00;
    --color-bg: #fffef5;
    --color-ink: #3a2a10;
    --color-text: #333;
    --color-text-light: #666;
    --color-border: #e0c36a;
    --color-paper: #fff8dc;
    --font-head: "Fredoka", "Segoe UI", sans-serif;
    --font-body: "Segoe UI", Tahoma, sans-serif;
    --space-xs: 0.4rem;
    --space-sm: 0.75rem;
    --space-md: 1.25rem;
    --space-lg: 2rem;
    --space-xl: 3.5rem;
    --page-w: 1200px;
    --radius-circle: 50%;
    --header-h: 76px;
}

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

html,
body {
    margin: 0;
    padding: 0;
    max-width: 100%;
    overflow-x: hidden;
}

body {
    padding-top: var(--header-h);
    font-family: var(--font-body);
    color: var(--color-text);
    background:
        radial-gradient(circle at 12% 18%, rgba(255, 193, 7, 0.28) 0 28px, transparent 29px),
        radial-gradient(circle at 88% 8%, rgba(255, 111, 0, 0.18) 0 18px, transparent 19px),
        repeating-linear-gradient(
            90deg,
            transparent 0 18px,
            rgba(255, 193, 7, 0.07) 18px 19px
        ),
        var(--color-bg);
    line-height: 1.65;
}

img,
video,
iframe {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--color-accent);
}

h1,
h2,
h3,
.KgHero-title,
.KgSection-title {
    font-family: var(--font-head);
    color: var(--color-ink);
    line-height: 1.2;
    font-weight: 650;
}

.KgContainer {
    max-width: var(--page-w);
    margin: 0 auto;
    padding: 0 20px;
}

.KgGrid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.KgMeasure {
    max-width: 720px;
}

.KgHeader {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 110;
    width: 100%;
    background: var(--color-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-bottom: 3px solid var(--color-primary);
}

.KgHeader-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: var(--space-md);
}

.KgHeader-logo img {
    width: 160px;
    height: auto;
    display: block;
}

.KgNav {
    display: flex;
    align-items: center;
    gap: 0.35rem 1rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.KgNav-link {
    font-family: var(--font-head);
    color: var(--color-ink);
    text-decoration: none;
    padding: 8px 4px;
    position: relative;
}

.KgNav-link.is-active,
.KgNav-link:hover {
    color: var(--color-accent);
}

.KgNav-close {
    display: none;
}

.KgBurger {
    display: none;
    width: 40px;
    height: 40px;
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 6px;
}

.KgBurger span {
    display: block;
    height: 3px;
    margin: 5px 0;
    background: var(--color-ink);
    border-radius: 2px;
}

.KgNav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 90;
    display: none;
}

.KgNav-overlay.is-open {
    display: block;
}

.KgMain {
    display: block;
}

.KgHero,
.KgApp,
.KgReq,
.KgFeat,
.KgLimits,
.KgNotes,
.KgCta,
.KgPage {
    padding: var(--space-xl) 0;
    animation: kgRise 0.55s ease;
}

.KgHero {
    text-align: center;
}

.KgHero-inner {
    max-width: 820px;
}

.KgKicker {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-ink);
    font-family: var(--font-head);
    padding: 0.2rem 0.8rem;
    border-radius: 999px;
    font-size: 0.85rem;
    margin-bottom: 0.6rem;
}

.KgHero-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin: 0 0 var(--space-md);
}

.KgHero-text {
    font-size: 1.08rem;
    margin: 0 auto var(--space-lg);
}

.KgHero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.KgHero-frame {
    margin: 0 auto;
    max-width: 280px;
    background: var(--color-paper);
    border: 3px solid var(--color-ink);
    border-radius: 24px;
    padding: 10px;
    box-shadow: 8px 8px 0 rgba(255, 111, 0, 0.25);
}

.KgHero-frame figcaption {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 0.4rem;
}

.KgApp-preview {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    background: var(--color-bg);
    display: block;
}

.KgSection-title {
    font-size: clamp(1.4rem, 3vw, 2rem);
    margin: 0 0 var(--space-md);
}

.KgApp-badges {
    letter-spacing: 0.04em;
    font-size: 0.82rem;
    color: var(--color-text-light);
    text-transform: uppercase;
}

.KgApp-head {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-md) 0;
}

.KgApp-icon {
    width: 96px;
    height: 96px;
    border-radius: 22%;
    object-fit: contain;
    flex-shrink: 0;
    background: var(--color-paper);
    border: 3px solid var(--color-ink);
}

.KgApp-name {
    margin: 0 0 0.25rem;
    font-size: 1.35rem;
}

.KgApp-dev {
    margin: 0;
    color: var(--color-text-light);
}

.KgApp-facts {
    margin: 0 0 var(--space-md);
    padding-left: 1.2rem;
}

.KgApp-note,
.KgApp-checked {
    color: var(--color-text-light);
}

.KgApp-checked {
    font-family: var(--font-head);
}

.KgReq-list {
    padding-left: 1.1rem;
}

.KgReq-list li {
    margin-bottom: 0.7rem;
}

.KgPanel {
    background: var(--color-paper);
    border: 3px solid var(--color-ink);
    padding: var(--space-md);
    border-radius: 28px;
    position: relative;
}

.KgPanel::after {
    content: "";
    position: absolute;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-circle);
    background: var(--color-accent);
    top: -10px;
    right: 18px;
    border: 3px solid var(--color-ink);
}

.KgLimits {
    background: rgba(255, 193, 7, 0.18);
}

.KgCard {
    display: block;
    text-decoration: none;
    color: inherit;
    background: #fff;
    border: 3px solid var(--color-ink);
    border-radius: 22px;
    overflow: hidden;
    min-height: 100%;
}

.KgCard h2,
.KgCard h3 {
    margin: 0.8rem 1rem 0.4rem;
    font-size: 1.15rem;
}

.KgCard p {
    margin: 0 1rem 1rem;
    color: var(--color-text-light);
}

.KgCard-band {
    display: block;
    height: 72px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    position: relative;
}

.KgCard-band--alt {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
}

.KgCard-band--warm {
    background: linear-gradient(90deg, #ffe082, var(--color-accent));
}

.KgCard-band::after {
    content: "";
    width: 36px;
    height: 36px;
    border-radius: var(--radius-circle);
    background: var(--color-bg);
    border: 3px solid var(--color-ink);
    position: absolute;
    left: 16px;
    bottom: -18px;
}

.KgCta {
    text-align: center;
    background: var(--color-paper);
    border-top: 3px dashed var(--color-accent);
    border-bottom: 3px dashed var(--color-accent);
}

@property --kg-spin {
    syntax: "<angle>";
    inherits: false;
    initial-value: 0deg;
}

.KgBtn {
    position: relative;
    isolation: isolate;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.55rem 1.2rem;
    font-family: var(--font-head);
    font-size: 1rem;
    text-decoration: none;
    color: var(--color-ink);
    background: var(--color-bg);
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    z-index: 0;
}

.KgBtn::before {
    content: "";
    position: absolute;
    inset: -3px;
    border-radius: inherit;
    background: conic-gradient(from var(--kg-spin), #ffc107, #ff6f00, #ffb300, #ffc107);
    animation: kgOrbit 2.6s linear infinite;
    z-index: -2;
}

.KgBtn::after {
    content: "";
    position: absolute;
    inset: 2px;
    border-radius: inherit;
    background: var(--color-bg);
    z-index: -1;
}

.KgBtn--primary::after {
    background: var(--color-primary);
}

.KgFooter {
    background: #3a2a10;
    color: #fff8dc;
    padding: var(--space-xl) 0 var(--space-md);
}

.KgFooter a {
    color: #ffc107;
}

.KgFooter-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.KgFooter-label {
    font-family: var(--font-head);
    margin: 0 0 0.6rem;
    color: #fff;
}

.KgFooter-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.KgFooter-list li {
    margin-bottom: 0.35rem;
}

.KgFooter-note {
    font-size: 0.88rem;
    color: #e6d7a8;
}

.KgFooter-copy {
    margin-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: var(--space-md);
    font-size: 0.9rem;
}

.KgPage h1 {
    font-size: clamp(1.7rem, 3.4vw, 2.4rem);
}

.KgSplit {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: var(--space-lg);
    align-items: start;
}

.KgForm {
    display: grid;
    gap: var(--space-sm);
}

.KgForm label {
    display: grid;
    gap: 0.3rem;
    font-family: var(--font-head);
}

.KgForm input,
.KgForm textarea {
    width: 100%;
    max-width: 100%;
    font: inherit;
    padding: 0.7rem 0.8rem;
    border: 3px solid var(--color-ink);
    border-radius: 14px;
    background: #fff;
}

.KgForm-status {
    color: var(--color-accent);
}

.KgStill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-md);
}

.KgStill {
    margin: 0;
    background: var(--color-paper);
    border: 3px solid var(--color-ink);
    border-radius: 18px;
    padding: 8px;
}

.KgStill img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    aspect-ratio: 9 / 16;
    background: var(--color-bg);
}

.KgFaq-q {
    width: 100%;
    text-align: left;
    font-family: var(--font-head);
    font-size: 1.05rem;
    background: var(--color-paper);
    border: 3px solid var(--color-ink);
    border-radius: 16px;
    padding: 0.9rem 1rem;
    cursor: pointer;
    min-height: 44px;
}

.KgFaq-item {
    margin-bottom: 0.7rem;
}

.KgFaq-a {
    padding: 0.6rem 0.2rem 0.8rem;
}

.KgLog {
    padding-left: 1.1rem;
}

.KgLog-date {
    font-family: var(--font-head);
    margin-bottom: 0.2rem;
}

.KgCrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
}

body.nav-open {
    overflow: hidden;
}

@keyframes kgRise {
    from {
        transform: translateY(20px);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes kgOrbit {
    to {
        --kg-spin: 360deg;
    }
}

.KgChip-veil {
    position: fixed;
    inset: 0;
    background: rgba(58, 42, 16, 0.45);
    z-index: 200;
    display: none;
}

.KgChip-veil.is-open {
    display: block;
}

.KgChip {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(420px, calc(100% - 32px));
    background: var(--color-paper);
    border: 3px solid var(--color-ink);
    border-radius: 28px;
    padding: 1.3rem 1.25rem 1.15rem;
    z-index: 201;
    box-shadow: 10px 10px 0 rgba(255, 111, 0, 0.28);
    display: none;
}

.KgChip.is-open {
    display: block;
}

.KgChip h2 {
    margin: 0 0 0.55rem;
    font-size: 1.25rem;
}

.KgChip p {
    margin: 0 0 1rem;
    font-size: 0.95rem;
}

.KgChip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    align-items: center;
}

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

    .KgHeader-logo img {
        width: 90px;
    }

    .KgBurger {
        display: block;
    }

    .KgNav {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 80%;
        max-width: 320px;
        background: var(--color-bg);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 120;
        overflow-y: auto;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        padding: 1.2rem 0 2rem;
        flex-wrap: nowrap;
    }

    .KgNav.is-open {
        transform: translateX(0);
    }

    .KgNav-close {
        display: block;
        align-self: flex-end;
        margin: 0 12px 8px;
        width: 40px;
        height: 40px;
        border: 0;
        background: none;
        font-size: 2rem;
        line-height: 1;
        cursor: pointer;
    }

    .KgNav a,
    .KgNav-link {
        display: block;
        width: 100%;
        padding: 16px 20px;
    }

    .KgFooter-grid,
    .KgSplit {
        grid-template-columns: 1fr;
    }

    .KgGrid {
        grid-template-columns: repeat(2, 1fr);
    }

    .KgApp-icon {
        width: 64px;
        height: 64px;
    }
}

@media (max-width: 480px) {
    .KgGrid {
        grid-template-columns: 1fr;
    }

    .KgApp-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .KgHero-actions {
        flex-direction: column;
    }

    .KgBtn {
        width: 100%;
    }
}