:root {
    --color-primary: #001f3f;
    --color-secondary: #003d7a;
    --color-accent: #0074d9;
    --color-bg: #f0f4f8;
    --color-text: #1c2833;
    --color-text-light: #4a5968;
    --color-border: #c5d0dc;
    --color-stone: #e7eef5;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 28px;
    --space-xl: 48px;
    --radius-card: 20px;
    --font-display: "Red Hat Display", "Trebuchet MS", sans-serif;
    --font-body: "Red Hat Text", "Segoe UI", sans-serif;
    --glow: 0 0 18px rgba(0, 116, 217, 0.55);
}

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

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding-top: var(--ssk-header-offset, 84px);
    color: var(--color-text);
    background-color: var(--color-bg);
    background-image:
        radial-gradient(ellipse at 12% 0%, rgba(255, 255, 255, 0.95), transparent 42%),
        radial-gradient(ellipse at 88% 18%, rgba(0, 61, 122, 0.08), transparent 36%),
        linear-gradient(118deg, transparent 0 46%, rgba(0, 31, 63, 0.04) 47%, transparent 48%),
        linear-gradient(162deg, transparent 0 62%, rgba(0, 116, 217, 0.05) 63%, transparent 64%);
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.65;
    overflow-wrap: anywhere;
}

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

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

h1,
h2,
h3 {
    font-family: var(--font-display);
    line-height: 1.2;
    color: var(--color-primary);
}

h1 {
    font-size: clamp(1.8rem, 4vw, 3rem);
    margin: 0 0 12px;
}

h2 {
    font-size: clamp(1.35rem, 2.4vw, 1.8rem);
    margin: 0 0 12px;
}

p {
    margin: 0 0 14px;
}

.ssk-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.ssk-measure {
    max-width: 760px;
}

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

.ssk-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    width: 100%;
    background: var(--color-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.ssk-header__bar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    min-height: 84px;
    padding: 8px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.ssk-header__logo {
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
}

.ssk-header__logo img {
    width: 160px;
    height: auto;
    display: block;
}

.ssk-nav {
    display: contents;
}

.ssk-nav__side {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 14px;
}

.ssk-nav__side[data-ssk-side="start"] {
    grid-column: 1;
    grid-row: 1;
    justify-content: flex-end;
}

.ssk-nav__side[data-ssk-side="end"] {
    grid-column: 3;
    grid-row: 1;
    justify-content: flex-start;
}

.ssk-nav a {
    color: var(--color-primary);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 0.92rem;
    padding: 8px 2px;
}

.ssk-nav a.is-active,
.ssk-nav a[data-ssk-state="current"] {
    color: var(--color-accent);
    box-shadow: inset 0 -2px 0 var(--color-accent);
}

.ssk-nav__close {
    display: none;
}

.ssk-burger {
    display: none;
    width: 40px;
    height: 40px;
    margin-left: auto;
    background: none;
    border: 1px solid var(--color-primary);
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    padding: 0;
}

.ssk-burger__line {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    background: var(--color-primary);
}

.ssk-burger__label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.ssk-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 98;
    display: none;
}

.ssk-nav-overlay.is-open {
    display: block;
}

.ssk-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 36px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 36px 20px 12px;
}

.ssk-hero__copy h1 {
    max-width: 16ch;
}

.ssk-hero__frame {
    margin: 0;
    position: relative;
    padding: 14px 14px 18px;
    background: #071525;
    border: 1px solid rgba(0, 116, 217, 0.55);
    border-radius: var(--radius-card);
    box-shadow: var(--glow);
}

.ssk-hero__still {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    background: #071525;
    border-radius: 12px;
}

.ssk-hero__mark {
    position: absolute;
    left: 26px;
    bottom: 46px;
    width: 72px;
    height: 72px;
    border-radius: 22%;
    object-fit: contain;
    background: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.ssk-hero__caption {
    margin: 12px 4px 0;
    color: #d5e2ef;
    font-family: var(--font-display);
    font-size: 0.92rem;
}

.ssk-kicker {
    margin: 0 0 8px;
    font-family: var(--font-display);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-size: 0.75rem;
    color: var(--color-secondary);
}

.ssk-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

.ssk-shell {
    display: grid;
    grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
    gap: 36px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 36px 20px 72px;
}

.ssk-aside {
    position: sticky;
    top: calc(var(--ssk-header-offset, 84px) + 16px);
    align-self: start;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: 20px;
    box-shadow: var(--glow);
}

.ssk-aside__facts {
    list-style: none;
    margin: 12px 0 16px;
    padding: 0;
}

.ssk-aside__facts li {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 8px;
    padding: 8px 0;
    border-top: 1px solid var(--color-border);
    font-size: 0.95rem;
}

.ssk-aside__facts span {
    color: var(--color-text-light);
}

.ssk-block,
.ssk-verdict,
.ssk-app,
.ssk-cta {
    margin: 0 0 28px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.66);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
}

.ssk-verdict {
    border-color: var(--color-accent);
    box-shadow: var(--glow);
}

.ssk-limits,
.ssk-plain {
    margin: 0;
    padding-left: 1.2rem;
}

.ssk-limits li,
.ssk-plain li {
    margin: 0 0 10px;
}

.ssk-spec {
    margin: 0;
}

.ssk-spec div {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 10px;
    padding: 10px 0;
    border-top: 1px solid var(--color-border);
}

.ssk-spec dt {
    color: var(--color-text-light);
}

.ssk-spec dd {
    margin: 0;
    overflow-wrap: anywhere;
}

[data-ssk="btn"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 18px;
    border: 1px solid var(--color-primary);
    border-radius: 4px;
    background: transparent;
    color: var(--color-primary);
    font-family: var(--font-display);
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
}

[data-ssk="btn"][data-ssk-variant="primary"] {
    border-color: var(--color-accent);
    background: var(--color-stone);
    box-shadow: var(--glow);
}

[data-ssk="btn"]:hover {
    border-color: var(--color-accent);
}

.ssk-app__badges {
    margin: 0 0 14px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.78rem;
    color: var(--color-secondary);
}

.ssk-app__head {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 16px;
}

.ssk-app__icon {
    width: 96px;
    height: 96px;
    border-radius: 22%;
    object-fit: contain;
    flex-shrink: 0;
    background: #fff;
}

.ssk-app__dev,
.ssk-app__note,
.ssk-app__checked {
    color: var(--color-text-light);
}

.ssk-app__checked {
    font-family: var(--font-display);
    color: var(--color-primary);
}

.ssk-app__preview {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    background: #071525;
    border-radius: var(--radius-card);
    margin: 8px 0 16px;
}

.ssk-app__facts {
    margin: 0 0 12px;
    padding-left: 1.2rem;
}

.ssk-app {
    box-shadow: var(--glow);
}

.ssk-page {
    padding: 36px 0 72px;
}

.ssk-steps {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: ssk-step;
}

.ssk-steps li {
    counter-increment: ssk-step;
    margin: 0 0 18px;
    padding: 18px 18px 8px 18px;
    border-radius: var(--radius-card);
    border: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.7);
}

.ssk-steps li h2::before {
    content: counter(ssk-step) ". ";
    color: var(--color-accent);
}

.ssk-story {
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: #fff;
}

.ssk-story__band {
    min-height: 92px;
    display: flex;
    align-items: flex-end;
    padding: 16px;
    color: #f0f4f8;
    font-family: var(--font-display);
    font-size: 1.1rem;
}

.ssk-story__band[data-ssk-band="deep"] {
    background: linear-gradient(145deg, #001f3f, #003d7a);
}

.ssk-story__band[data-ssk-band="mid"] {
    background: linear-gradient(145deg, #003d7a, #0074d9);
}

.ssk-story__band[data-ssk-band="line"] {
    background: linear-gradient(160deg, #001f3f 0 40%, #0074d9 40% 44%, #003d7a 44%);
}

.ssk-story h2 {
    font-size: 1.2rem;
    margin: 16px 16px 8px;
}

.ssk-story p {
    margin: 0 16px 18px;
}

.ssk-story a {
    color: var(--color-primary);
    text-decoration: none;
}

.ssk-faq details {
    border-top: 1px solid var(--color-border);
    padding: 12px 0;
}

.ssk-faq summary {
    cursor: pointer;
    font-family: var(--font-display);
    color: var(--color-primary);
    min-height: 44px;
    display: flex;
    align-items: center;
}

.ssk-form {
    display: grid;
    gap: 14px;
    margin-top: 18px;
}

[data-ssk="field"] {
    display: grid;
    gap: 6px;
}

[data-ssk="field"] input,
[data-ssk="field"] textarea {
    width: 100%;
    max-width: 100%;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 12px;
    font: inherit;
    color: inherit;
    background: #fff;
}

.ssk-form__status {
    min-height: 1.4em;
    color: var(--color-secondary);
}

.ssk-form__hint,
.ssk-address {
    color: var(--color-text-light);
    font-style: normal;
}

.ssk-crumbs {
    font-size: 0.92rem;
    color: var(--color-text-light);
}

.ssk-footer {
    background: var(--color-primary);
    color: #d5e2ef;
    padding: 40px 0 28px;
}

.ssk-footer a {
    color: #d6e8ff;
}

.ssk-footer__cols {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 0.8fr;
    gap: 28px;
}

.ssk-footer__name,
.ssk-footer__label {
    font-family: var(--font-display);
    color: #fff;
    margin: 0 0 8px;
}

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

.ssk-footer__list a {
    display: inline-block;
    padding: 4px 0;
}

.ssk-footer__legal {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 0.92rem;
}

[data-ssk-enter] {
    animation: ssk-fade 0.3s ease both;
}

@keyframes ssk-fade {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (max-width: 768px) {
    body {
        padding-top: var(--ssk-header-offset, 64px);
    }

    .ssk-header__logo img {
        width: 90px;
    }

    .ssk-header__bar {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .ssk-burger {
        display: block;
    }

    .ssk-nav {
        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: 99;
        overflow-y: auto;
        display: flex;
        flex-direction: column;
        padding: 16px 0 32px;
    }

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

    .ssk-nav__close {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 40px;
        min-height: 40px;
        margin: 0 16px 8px auto;
        border: 1px solid var(--color-primary);
        background: transparent;
        color: var(--color-primary);
        font-family: var(--font-display);
        cursor: pointer;
    }

    .ssk-nav__side {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .ssk-nav a {
        display: block;
        width: 100%;
        padding: 16px 20px;
    }

    .ssk-shell {
        grid-template-columns: 1fr;
    }

    .ssk-aside {
        position: static;
    }

    .ssk-hero {
        grid-template-columns: 1fr;
        padding: 20px 16px 8px;
    }

    .ssk-hero__copy h1 {
        max-width: none;
    }

    .ssk-hero__mark {
        width: 56px;
        height: 56px;
        left: 22px;
        bottom: 42px;
    }

    .ssk-footer__cols {
        grid-template-columns: 1fr;
    }

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

    .ssk-spec div,
    .ssk-aside__facts li {
        grid-template-columns: 1fr;
        gap: 2px;
    }
}

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

    .ssk-app__icon {
        width: 72px;
        height: 72px;
    }
}

.ssk-cookie {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 16px;
    z-index: 120;
    display: flex;
    justify-content: center;
}

.ssk-cookie[hidden] {
    display: none;
}

.ssk-cookie__card {
    width: min(560px, 100%);
    padding: 18px 18px 16px;
    background: #fff;
    color: var(--color-text);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-card);
    box-shadow: var(--glow);
}

.ssk-cookie__title {
    margin: 0 0 6px;
    font-family: var(--font-display);
    color: var(--color-primary);
}

.ssk-cookie__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

body.nav-open {
    overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
    [data-ssk-enter] {
        animation: none;
    }

    html {
        scroll-behavior: auto;
    }
}