:root {
    --color-navy: #071a4d;
    --color-blue: #1767ff;
    --color-sky: #20a7ff;
    --color-yellow: #ffd332;
    --color-green: #1fc06d;
    --color-pink: #ff4fa3;
    --color-orange: #ff8f2f;
    --color-ink: #17203a;
    --color-text: #334061;
    --color-muted: #66708c;
    --color-border: rgba(23, 32, 58, .14);
    --color-white: #ffffff;
    --color-section-sky: #eaf8ff;
    --color-section-yellow: #fff4bf;
    --color-section-mint: #e8fff2;
    --shadow-soft: 0 18px 45px rgba(7, 26, 77, .14);
}

* {
    box-sizing: border-box;
    letter-spacing: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 76px;
}

html.nav-open,
body.nav-open {
    overflow: hidden;
}

@media (min-width: 1200px) {
    html.nav-open,
    body.nav-open {
        overflow: auto;
    }
}

body {
    min-width: 320px;
    background: #ffffff;
    color: var(--color-text);
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

main {
    overflow-x: hidden;
}

strong {
    font-weight: 700;
}

.section {
    padding: 94px 0;
}

.subtitle {
    margin-bottom: 18px;
    color: var(--color-text);
    font-size: 17px;
    font-weight: 700;
    text-transform: uppercase;
}

.lead {
    max-width: 690px;
    color: rgba(255, 255, 255, .88);
    font-size: 20px;
    line-height: 1.72;
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 50px;
    max-width: 100%;
    padding: 0 22px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    transition: transform .2s ease, box-shadow .2s ease, color .2s ease, background .2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--color-yellow);
    color: var(--color-navy);
    box-shadow: 0 16px 34px rgba(255, 211, 50, .28);
}

.bx-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255, 255, 255, .94);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(14px);
}

.bx-header .i-inner {
    display: flex;
    align-items: center;
    min-height: 76px;
    gap: 18px;
    justify-content: space-between;
}

.bx-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
    color: var(--color-navy);
    font-weight: 700;
}

.bx-logo .i-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 60px;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 10px 22px rgba(23, 103, 255, .18);
}

.bx-logo .i-mark img {
    width: auto;
    height: 60px;
}

.bx-logo .i-text {
    font-size: 19px;
    white-space: nowrap;
}

.bx-nav {
    min-width: 0;
    flex: 1 1 auto;
    overflow-x: auto;
    scrollbar-width: thin;
    margin-left: auto;
}

.bx-nav ul {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 24px;
    min-width: max-content;
}

.bx-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 0 2px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--nav-color, var(--color-blue));
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    transition: color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
}

.bx-nav li:nth-child(1) a {
    --nav-color: #1767ff;
    --nav-soft: rgba(23, 103, 255, .12);
}

.bx-nav li:nth-child(2) a {
    --nav-color: #00a8d8;
    --nav-soft: rgba(32, 167, 255, .14);
}

.bx-nav li:nth-child(3) a {
    --nav-color: #13a85d;
    --nav-soft: rgba(31, 192, 109, .14);
}

.bx-nav li:nth-child(4) a {
    --nav-color: #d3408a;
    --nav-soft: rgba(255, 79, 163, .14);
}

.bx-nav li:nth-child(5) a {
    --nav-color: #b97000;
    --nav-soft: rgba(255, 143, 47, .18);
}

.bx-nav li:nth-child(6) a {
    --nav-color: #7252d9;
    --nav-soft: rgba(114, 82, 217, .14);
}

.bx-nav a:hover,
.bx-nav a.is-active {
    background: linear-gradient(180deg, transparent 54%, var(--nav-soft, rgba(23, 103, 255, .14)) 54%);
    color: var(--nav-color, var(--color-blue));
    font-weight: 600;
    box-shadow: none;
    transform: translateY(-1px);
}

.bx-nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #ffffff;
}

.bx-nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 4px auto;
    border-radius: 2px;
    background: var(--color-navy);
    transition: opacity .2s ease, transform .2s ease;
}

.bx-hero {
    position: relative;
    overflow: hidden;
    padding: 86px 0 74px;
    color: #ffffff;
    background:
        linear-gradient(135deg, #1767ff 0%, #20a7ff 36%, #1fc06d 62%, #ff4fa3 100%);
}

.bx-hero::before {
    content: "";
    position: absolute;
    inset: auto -12% -34% 30%;
    height: 340px;
    transform: rotate(-8deg);
    background:
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .18) 0 18px, rgba(255, 255, 255, 0) 18px 44px),
        rgba(7, 26, 77, .16);
}

.bx-hero::after {
    content: "ABC";
    position: absolute;
    top: 68px;
    right: 7%;
    color: rgba(255, 255, 255, .16);
    font-size: 150px;
    font-weight: 700;
    line-height: 1;
}

.bx-hero-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(420px, 520px);
    gap: 54px;
    align-items: center;
}

.bx-hero-content {
    max-width: 700px;
}

.bx-brand-pill {
    display: block;
    max-width: 100%;
    margin-bottom: 18px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: rgba(255, 255, 255, .9);
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: none;
}

.bx-hero h1 {
    max-width: 820px;
    margin-bottom: 24px;
    color: #ffffff;
    font-size: 68px;
    font-weight: 700;
    line-height: 1.02;
}

.bx-hero-composition {
    position: relative;
    min-height: 590px;
}

.bx-hero-composition .phone-frame {
    --hero-phone-final-transform: translate3d(0, 0, 0);
    --hero-phone-start-transform: translate3d(0, 28px, 0) scale(.94);
    --hero-phone-float-transform: translate3d(0, -8px, 0);
    position: absolute;
    width: 235px;
    opacity: 0;
    transform: var(--hero-phone-start-transform);
    will-change: transform, opacity;
    animation:
        hero-phone-in .82s cubic-bezier(.19, 1, .22, 1) both,
        hero-phone-float 5.8s ease-in-out 1.1s infinite;
}

.bx-hero-composition .phone-frame::before {
    height: 13px;
}

.bx-hero-composition .hero-main {
    --hero-phone-start-transform: translate3d(42px, 36px, 0) scale(.92) rotate(-3deg);
    --hero-phone-float-transform: translate3d(0, -10px, 0) rotate(.6deg);
    right: 145px;
    top: 12px;
    z-index: 3;
    width: 270px;
    animation-delay: .08s, 1.18s;
}

.bx-hero-composition .hero-learning {
    --hero-phone-final-transform: rotate(4deg);
    --hero-phone-start-transform: translate3d(46px, 34px, 0) scale(.92) rotate(10deg);
    --hero-phone-float-transform: translate3d(0, -8px, 0) rotate(5deg);
    right: 0;
    top: 116px;
    z-index: 2;
    animation-delay: .24s, 1.34s;
}

.bx-hero-composition .hero-card {
    --hero-phone-final-transform: rotate(-5deg);
    --hero-phone-start-transform: translate3d(-42px, 42px, 0) scale(.92) rotate(-12deg);
    --hero-phone-float-transform: translate3d(0, -7px, 0) rotate(-6deg);
    left: 0;
    bottom: 18px;
    z-index: 4;
    animation-delay: .4s, 1.5s;
}

@keyframes hero-phone-in {
    from {
        opacity: 0;
        transform: var(--hero-phone-start-transform);
    }

    to {
        opacity: 1;
        transform: var(--hero-phone-final-transform);
    }
}

@keyframes hero-phone-float {
    0%,
    100% {
        transform: var(--hero-phone-final-transform);
    }

    50% {
        transform: var(--hero-phone-float-transform);
    }
}

@keyframes mobile-nav-item-in {
    from {
        opacity: 0;
        transform: translate3d(0, 16px, 0) scale(.98);
    }

    to {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .bx-hero-composition .phone-frame {
        opacity: 1;
        transform: var(--hero-phone-final-transform);
        animation: none;
    }

    .phone-frame,
    .phone-frame::after,
    .phone-frame img {
        transition: none;
    }
}

.bx-section-title {
    max-width: 820px;
    margin-bottom: 42px;
}

.bx-section-title h2,
.bx-text-section h2,
.bx-download h2 {
    color: var(--color-ink);
    font-size: 42px;
    font-weight: 700;
    line-height: 1.15;
}

.bx-section-title p:not(.subtitle),
.bx-text-section p,
.bx-download p {
    max-width: 760px;
    margin-top: 18px;
    color: var(--color-text);
    font-size: 18px;
    line-height: 1.75;
}

.bx-marketing-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(280px, .82fr);
    gap: 32px;
    margin-bottom: 48px;
    padding: 30px;
    border: 1px solid rgba(23, 103, 255, .12);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(234, 248, 255, .92), rgba(232, 255, 242, .88) 54%, rgba(255, 244, 191, .88)),
        #ffffff;
}

.bx-marketing-copy h3,
.bx-marketing-list h3 {
    color: var(--color-ink);
    font-size: 25px;
    font-weight: 700;
    line-height: 1.24;
}

.bx-marketing-copy p {
    margin-top: 14px;
    color: var(--color-text);
    font-size: 17px;
    line-height: 1.68;
}

.bx-marketing-copy .i-closing {
    font-weight: 700;
}

.bx-marketing-list {
    padding: 24px;
    border-radius: 8px;
    background: rgba(255, 255, 255, .78);
}

.bx-marketing-list ul {
    display: grid;
    gap: 11px;
    margin-top: 16px;
}

.bx-marketing-list li {
    position: relative;
    padding-left: 27px;
    color: var(--color-text);
    font-size: 16px;
    font-weight: 600;
    line-height: 1.42;
}

.bx-marketing-list li::before {
    content: "";
    position: absolute;
    top: .58em;
    left: 0;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--item-color, var(--color-blue));
    box-shadow: 0 0 0 4px rgba(23, 103, 255, .1);
}

.bx-marketing-list li:nth-child(2n) {
    --item-color: var(--color-green);
}

.bx-marketing-list li:nth-child(3n) {
    --item-color: var(--color-yellow);
}

.bx-marketing-list li:nth-child(4n) {
    --item-color: var(--color-pink);
}

.bx-screen-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    align-items: end;
    margin-bottom: 42px;
}

.phone-frame {
    --phone-frame-transform: translate3d(0, 0, 0);
    --phone-frame-hover-transform: translate3d(0, -10px, 0) scale(1.025);
    position: relative;
    overflow: hidden;
    border: 9px solid #101735;
    border-radius: 30px;
    background: #101735;
    box-shadow: var(--shadow-soft);
    transform: var(--phone-frame-transform);
    transition:
        transform .28s cubic-bezier(.19, 1, .22, 1),
        box-shadow .28s ease,
        border-color .28s ease,
        filter .28s ease;
}

.phone-frame::before {
    content: "";
    position: absolute;
    top: -2px;
    left: 50%;
    z-index: 2;
    width: 56px;
    height: 16px;
    border-radius: 0 0 12px 12px;
    background: #101735;
    transform: translateX(-50%);
}

.phone-frame::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    border-radius: inherit;
    background:
        linear-gradient(120deg, transparent 8%, rgba(255, 255, 255, .34) 18%, transparent 30%),
        linear-gradient(180deg, rgba(255, 255, 255, .12), transparent 38%);
    opacity: 0;
    transform: translate3d(-52%, 0, 0);
    transition: opacity .28s ease, transform .58s cubic-bezier(.19, 1, .22, 1);
}

.phone-frame .i-gallery-link {
    display: block;
    border-radius: 21px;
}

.phone-frame img {
    width: 100%;
    aspect-ratio: 1080 / 2340;
    object-fit: cover;
    border-radius: 21px;
    transform: scale(1);
    transition: transform .34s cubic-bezier(.19, 1, .22, 1), filter .28s ease;
}

.phone-frame .i-gallery-link:focus-visible {
    outline: 3px solid var(--color-yellow);
    outline-offset: -7px;
}

.bx-screen-strip .phone-frame:nth-child(2) {
    --phone-frame-transform: translateY(-24px);
    --phone-frame-hover-transform: translateY(-34px) scale(1.025);
}

.bx-screen-strip .phone-frame:nth-child(3) {
    --phone-frame-transform: translateY(16px);
    --phone-frame-hover-transform: translateY(6px) scale(1.025);
}

@media (hover: hover) and (pointer: fine) {
    .bx-screen-strip .phone-frame:hover,
    .bx-screen-strip .phone-frame:focus-within,
    .bx-learning-screens .phone-frame:hover,
    .bx-learning-screens .phone-frame:focus-within,
    .bx-parent-screens .phone-frame:hover,
    .bx-parent-screens .phone-frame:focus-within,
    .bx-card-showcase .phone-frame:hover,
    .bx-card-showcase .phone-frame:focus-within {
        border-color: #17214a;
        box-shadow: 0 24px 54px rgba(7, 26, 77, .22);
        filter: saturate(1.04);
        transform: var(--phone-frame-hover-transform);
    }

    .bx-screen-strip .phone-frame:hover::after,
    .bx-screen-strip .phone-frame:focus-within::after,
    .bx-learning-screens .phone-frame:hover::after,
    .bx-learning-screens .phone-frame:focus-within::after,
    .bx-parent-screens .phone-frame:hover::after,
    .bx-parent-screens .phone-frame:focus-within::after,
    .bx-card-showcase .phone-frame:hover::after,
    .bx-card-showcase .phone-frame:focus-within::after {
        opacity: 1;
        transform: translate3d(52%, 0, 0);
    }

    .bx-screen-strip .phone-frame:hover img,
    .bx-screen-strip .phone-frame:focus-within img,
    .bx-learning-screens .phone-frame:hover img,
    .bx-learning-screens .phone-frame:focus-within img,
    .bx-parent-screens .phone-frame:hover img,
    .bx-parent-screens .phone-frame:focus-within img,
    .bx-card-showcase .phone-frame:hover img,
    .bx-card-showcase .phone-frame:focus-within img {
        filter: contrast(1.03) saturate(1.06);
        transform: scale(1.015);
    }
}

.bx-feature-grid {
    margin-bottom: -30px;
}

.bx-feature {
    --feature-main: var(--color-blue);
    --feature-accent: var(--color-sky);
    --feature-soft: rgba(23, 103, 255, .12);
    --feature-shadow: rgba(23, 103, 255, .16);
    height: calc(100% - 30px);
    min-height: 230px;
    margin-bottom: 30px;
    padding: 26px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 14px 34px rgba(7, 26, 77, .08);
}

.bx-feature .i-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 68px;
    height: 68px;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, .82);
    border-radius: 18px;
    background:
        radial-gradient(circle at 30% 22%, rgba(255, 255, 255, .95), rgba(255, 255, 255, 0) 34%),
        linear-gradient(145deg, #ffffff 0%, var(--feature-soft) 100%);
    box-shadow: 0 16px 28px var(--feature-shadow), inset 0 0 0 1px rgba(255, 255, 255, .7);
    color: var(--feature-main);
}

.bx-feature-grid .col-lg-3:nth-child(1) .bx-feature {
    --feature-main: var(--color-orange);
    --feature-accent: var(--color-blue);
    --feature-soft: rgba(255, 211, 50, .26);
    --feature-shadow: rgba(255, 143, 47, .18);
}

.bx-feature-grid .col-lg-3:nth-child(2) .bx-feature {
    --feature-main: var(--color-blue);
    --feature-accent: var(--color-sky);
    --feature-soft: rgba(32, 167, 255, .16);
    --feature-shadow: rgba(23, 103, 255, .18);
}

.bx-feature-grid .col-lg-3:nth-child(3) .bx-feature {
    --feature-main: var(--color-pink);
    --feature-accent: #7d35d8;
    --feature-soft: rgba(255, 79, 163, .16);
    --feature-shadow: rgba(255, 79, 163, .18);
}

.bx-feature-grid .col-lg-3:nth-child(4) .bx-feature {
    --feature-main: var(--color-green);
    --feature-accent: var(--color-blue);
    --feature-soft: rgba(31, 192, 109, .16);
    --feature-shadow: rgba(31, 192, 109, .18);
}

.bx-feature .feature-icon {
    width: 45px;
    height: 45px;
    overflow: visible;
}

.bx-feature .feature-icon .icon-main {
    fill: var(--feature-main);
}

.bx-feature .feature-icon .icon-accent {
    fill: var(--feature-accent);
}

.bx-feature .feature-icon .icon-soft {
    fill: var(--feature-soft);
}

.bx-feature .feature-icon .icon-card {
    fill: #ffffff;
    stroke: var(--feature-main);
    stroke-width: 2.8;
}

.bx-feature .feature-icon .icon-line {
    fill: none;
    stroke: var(--feature-accent);
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 3;
}

.bx-feature .feature-icon .icon-text {
    fill: var(--feature-main);
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 12px;
    font-weight: 800;
}

.bx-feature h3 {
    margin-bottom: 12px;
    color: var(--color-ink);
    font-size: 21px;
    font-weight: 700;
    line-height: 1.22;
}

.bx-feature p {
    color: var(--color-muted);
    line-height: 1.7;
}

.bx-text-section {
    max-width: 760px;
}

.bx-step-list {
    display: grid;
    gap: 12px;
    max-width: 680px;
    margin-top: 28px;
    counter-reset: learning-step;
}

.bx-step-list li {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 54px;
    padding: 13px 16px 13px 58px;
    border: 1px solid rgba(23, 103, 255, .18);
    border-radius: 8px;
    background: #ffffff;
    color: var(--color-text);
    font-weight: 700;
    box-shadow: 0 12px 28px rgba(23, 103, 255, .08);
    counter-increment: learning-step;
}

.bx-step-list li::before {
    content: counter(learning-step);
    position: absolute;
    top: 50%;
    left: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--color-blue);
    color: #ffffff;
    font-weight: 700;
    transform: translateY(-50%);
}

.bx-learning-screens,
.bx-parent-screens {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    align-items: center;
}

.bx-learning-screens .phone-frame:nth-child(2) {
    --phone-frame-transform: translateY(28px);
    --phone-frame-hover-transform: translateY(18px) scale(1.025);
}

.bx-parent-screens {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 540px;
}

.bx-parent-screens .phone-frame:nth-child(2) {
    --phone-frame-transform: translateY(32px);
    --phone-frame-hover-transform: translateY(22px) scale(1.025);
}

.bx-theme-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.bx-theme-list li {
    padding: 10px 14px;
    border: 2px solid rgba(255, 255, 255, .86);
    border-radius: 8px;
    background: var(--theme-color, #ffffff);
    color: var(--color-navy);
    font-weight: 700;
    box-shadow: 0 10px 22px rgba(7, 26, 77, .1);
}

.bx-theme-list li:nth-child(1) {
    --theme-color: #b8ff8a;
}

.bx-theme-list li:nth-child(2) {
    --theme-color: #7ff0ff;
}

.bx-theme-list li:nth-child(3) {
    --theme-color: var(--color-yellow);
}

.bx-theme-list li:nth-child(4) {
    --theme-color: #ffb6dd;
}

.bx-theme-list li:nth-child(5) {
    --theme-color: #c8bdff;
}

.bx-card-showcase {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    align-items: center;
}

.bx-card-showcase .phone-frame:nth-child(2),
.bx-card-showcase .phone-frame:nth-child(4) {
    --phone-frame-transform: translateY(28px);
    --phone-frame-hover-transform: translateY(18px) scale(1.025);
}

.bx-check-list {
    display: grid;
    gap: 14px;
    max-width: 720px;
    margin-top: 28px;
}

.bx-check-list li {
    position: relative;
    padding: 15px 16px 15px 52px;
    border: 1px solid rgba(31, 192, 109, .22);
    border-radius: 8px;
    background: #ffffff;
    color: var(--color-text);
    font-weight: 700;
    box-shadow: 0 12px 28px rgba(31, 192, 109, .08);
}

.bx-check-list li::before {
    content: "";
    position: absolute;
    top: 16px;
    left: 17px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-green);
}

.bx-check-list li::after {
    content: "";
    position: absolute;
    top: 21px;
    left: 23px;
    width: 8px;
    height: 4px;
    border-bottom: 2px solid #ffffff;
    border-left: 2px solid #ffffff;
    transform: rotate(-45deg);
}

.section-download {
    background:
        linear-gradient(135deg, rgba(23, 103, 255, .94), rgba(255, 79, 163, .88)),
        #1767ff;
    color: #ffffff;
}

.section-download .subtitle,
.section-download h2,
.section-download p {
    color: #ffffff;
}

.bx-download {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 34px;
    align-items: center;
}

.bx-download .btn {
    margin-top: 28px;
}

.bx-store-buttons {
    display: grid;
    gap: 14px;
    min-width: 240px;
}

.bx-store {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    min-height: 72px;
    padding: 13px 18px;
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 8px;
    background: rgba(7, 26, 77, .8);
    color: #ffffff;
    box-shadow: 0 18px 34px rgba(7, 26, 77, .2);
}

.bx-store .i-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    border-radius: 8px;
    background: rgba(255, 255, 255, .12);
}

.bx-store svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.bx-store small {
    display: block;
    color: rgba(255, 255, 255, .7);
    font-size: 12px;
    font-weight: 700;
}

.bx-store strong {
    display: block;
    margin-top: 1px;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.1;
}

.bx-store.is-disabled {
    cursor: default;
}

.bx-footer {
    padding: 34px 0;
    border-top: 1px solid var(--color-border);
    background: #ffffff;
}

.bx-footer .i-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.bx-footer .i-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.bx-footer .i-brand img {
    width: 44px;
    height: 44px;
    border-radius: 8px;
}

.bx-footer strong {
    display: block;
    color: var(--color-ink);
    font-size: 18px;
    font-weight: 700;
}

.bx-footer p {
    max-width: 540px;
    margin-top: 3px;
    color: var(--color-muted);
    line-height: 1.38;
}

.bx-footer .i-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.bx-footer .i-links a {
    color: var(--color-muted);
    font-size: 14px;
    font-weight: 700;
}

.bx-footer .i-links a:hover {
    color: var(--color-blue);
}

@media (max-width: 991px) {
    .section {
        padding: 76px 0;
    }

    .bx-hero {
        padding: 70px 0 66px;
    }

    .bx-hero-layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .bx-hero-content {
        max-width: 760px;
    }

    .bx-hero-composition {
        min-height: 520px;
        max-width: 560px;
    }

    .bx-hero h1 {
        font-size: 54px;
    }

    .lead {
        font-size: 18px;
    }

    .bx-section-title h2,
    .bx-text-section h2,
    .bx-download h2 {
        font-size: 34px;
    }

    .bx-marketing-panel {
        grid-template-columns: 1fr;
    }

    .bx-screen-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .bx-screen-strip .phone-frame:nth-child(2),
    .bx-screen-strip .phone-frame:nth-child(3) {
        --phone-frame-transform: translate3d(0, 0, 0);
        --phone-frame-hover-transform: translate3d(0, -8px, 0) scale(1.02);
    }

    .bx-learning-screens,
    .bx-card-showcase {
        margin-top: 38px;
    }

    .bx-download {
        grid-template-columns: 1fr;
    }

    .bx-store-buttons {
        grid-template-columns: repeat(2, minmax(0, 240px));
    }
}

@media (max-width: 1199px) {
    html {
        scroll-padding-top: 68px;
    }

    .container {
        width: min(100% - 28px, 1180px);
    }

    .bx-header {
        background:
            linear-gradient(135deg, rgba(234, 248, 255, .97), rgba(232, 255, 242, .97)),
            #ffffff;
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
    }

    body.nav-open .bx-header {
        position: fixed;
        right: 0;
        left: 0;
        z-index: 1000;
        border-bottom: 0;
        background: transparent;
        box-shadow: none;
    }

    .bx-header .i-inner {
        position: relative;
        z-index: 2;
        min-height: 68px;
        justify-content: space-between;
    }

    .bx-logo,
    .bx-nav-toggle {
        position: relative;
        z-index: 3;
    }

    .bx-logo .i-text {
        display: inline;
        max-width: 150px;
        overflow: hidden;
        font-size: 17px;
        text-overflow: ellipsis;
    }

    .bx-logo .i-mark,
    .bx-logo .i-mark img {
        height: 55px;
    }

    .bx-nav-toggle {
        display: block;
        order: 3;
    }

    .bx-nav-toggle[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .bx-nav-toggle[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }

    .bx-nav-toggle[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    .bx-nav {
        display: none;
        position: fixed;
        inset: 0;
        left: 0;
        z-index: 2;
        width: 100vw;
        height: 100vh;
        height: 100dvh;
        padding: 104px max(24px, env(safe-area-inset-right)) max(32px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
        border-top: 0;
        background:
            linear-gradient(135deg, rgba(234, 248, 255, .98), rgba(232, 255, 242, .98) 58%, rgba(255, 244, 191, .96)),
            #ffffff;
        overflow-y: auto;
        overflow-x: visible;
        box-shadow: none;
        order: 4;
    }

    .bx-nav.is-open {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .bx-nav ul {
        display: grid;
        grid-template-columns: 1fr;
        gap: 12px;
        width: min(100%, 430px);
        min-width: 0;
    }

    .bx-nav a {
        justify-content: center;
        width: 100%;
        min-height: 62px;
        padding: 0 18px;
        border: 1px solid rgba(23, 32, 58, .08);
        background: rgba(255, 255, 255, .72);
        font-size: 24px;
        font-weight: 400;
        text-align: center;
        box-shadow: 0 12px 28px rgba(7, 26, 77, .08);
    }

    .bx-nav.is-open li {
        opacity: 0;
        animation: mobile-nav-item-in .42s cubic-bezier(.19, 1, .22, 1) forwards;
    }

    .bx-nav.is-open li:nth-child(1) {
        animation-delay: .04s;
    }

    .bx-nav.is-open li:nth-child(2) {
        animation-delay: .09s;
    }

    .bx-nav.is-open li:nth-child(3) {
        animation-delay: .14s;
    }

    .bx-nav.is-open li:nth-child(4) {
        animation-delay: .19s;
    }

    .bx-nav.is-open li:nth-child(5) {
        animation-delay: .24s;
    }

    .bx-nav.is-open li:nth-child(6) {
        animation-delay: .29s;
    }

    .bx-nav a:hover,
    .bx-nav a.is-active {
        background: #ffffff;
        color: var(--nav-color, var(--color-blue));
        font-weight: 700;
    }
}

@media (max-width: 1199px) and (prefers-reduced-motion: reduce) {
    .bx-nav.is-open li {
        opacity: 1;
        transform: none;
        animation: none;
    }
}

@media (max-width: 767px) {

    .bx-hero {
        padding: 56px 0 54px;
    }

    .bx-hero::after {
        top: 34px;
        right: -10px;
        font-size: 88px;
    }

    .bx-hero-content {
        padding: 0;
    }

    .bx-brand-pill {
        align-items: flex-start;
        font-size: 13px;
    }

    .bx-hero h1 {
        font-size: 42px;
    }

    .bx-hero-composition {
        min-height: 455px;
        max-width: 390px;
        margin: 0 auto;
    }

    .bx-hero-composition .phone-frame {
        width: 174px;
    }

    .bx-hero-composition .hero-main {
        right: 104px;
        width: 205px;
    }

    .bx-hero-composition .hero-learning {
        top: 92px;
        right: 0;
    }

    .bx-hero-composition .hero-card {
        left: 0;
        bottom: 8px;
    }

    .btn {
        width: 100%;
    }

    .bx-section-title h2,
    .bx-text-section h2,
    .bx-download h2 {
        font-size: 29px;
    }

    .bx-section-title p:not(.subtitle),
    .bx-text-section p,
    .bx-download p {
        font-size: 16px;
    }

    .bx-marketing-panel {
        padding: 22px;
    }

    .bx-marketing-list {
        padding: 20px;
    }

    .bx-screen-strip,
    .bx-learning-screens,
    .bx-parent-screens,
    .bx-card-showcase {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .phone-frame {
        border-width: 7px;
        border-radius: 24px;
    }

    .phone-frame::before {
        width: 42px;
        height: 12px;
    }

    .phone-frame img {
        border-radius: 17px;
    }

    .is-wide-only {
        display: none;
    }

    .bx-learning-screens .phone-frame:nth-child(2),
    .bx-parent-screens .phone-frame:nth-child(2),
    .bx-card-showcase .phone-frame:nth-child(2),
    .bx-card-showcase .phone-frame:nth-child(4) {
        --phone-frame-transform: translate3d(0, 0, 0);
        --phone-frame-hover-transform: translate3d(0, -8px, 0) scale(1.02);
    }

    .bx-store-buttons {
        grid-template-columns: 1fr;
        min-width: 0;
    }

    .bx-footer .i-inner {
        display: block;
    }

    .bx-footer .i-links {
        margin-top: 20px;
    }
}

@media (max-width: 430px) {
    .bx-logo .i-text {
        max-width: 118px;
    }

    .bx-hero h1 {
        font-size: 36px;
    }

    .bx-hero-composition {
        min-height: 360px;
        max-width: 290px;
    }

    .bx-hero-composition .phone-frame {
        width: 136px;
    }

    .bx-hero-composition .hero-main {
        right: 72px;
        width: 158px;
    }

    .bx-hero-composition .hero-learning {
        top: 78px;
    }

    .bx-screen-strip,
    .bx-learning-screens,
    .bx-parent-screens,
    .bx-card-showcase {
        grid-template-columns: 1fr;
        max-width: 280px;
        margin-right: auto;
        margin-left: auto;
    }

    .bx-screen-strip .phone-frame:nth-child(n + 3),
    .bx-card-showcase .phone-frame:nth-child(n + 3) {
        display: none;
    }
}