:root {
    color-scheme: dark;
    --bg: #0b0d13;
    --surface: #11141e;
    --line: #242734;
    --muted: #9396a7;
    --purple: #b4a0ff;
    --white: #f3f3f8;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 95px;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--white);
    font-family: Inter,"Segoe UI","Microsoft YaHei",sans-serif;
    -webkit-font-smoothing: antialiased;
}

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

button {
    font: inherit;
}

a,button {
    -webkit-tap-highlight-color: transparent;
}

a:focus-visible,button:focus-visible {
    outline: 2px solid var(--purple);
    outline-offset: 6px;
}

::selection {
    background: #7463b8;
    color: #fff;
}

.wrap {
    max-width: 1240px;
    margin: auto;
    padding-left: 40px;
    padding-right: 40px;
}

.header {
    height: 92px;
    max-width: 1320px;
    padding: 0 40px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #ffffff0d;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    letter-spacing: -.4px;
    font-weight: 650;
}

.brand svg {
    width: 33px;
    height: 33px;
    stroke: var(--purple);
    fill: none;
    stroke-width: 1.4;
}

.brand i {
    font-weight: 300;
    font-style: normal;
    color: #717480;
    padding: 0 5px;
}

.header nav {
    display: flex;
    gap: 38px;
    align-items: center;
    font-size: 16px;
    color: #b4b5c0;
}

.header nav a:hover {
    color: white;
}

.nav-cta {
    border: 1px solid #45434f;
    padding: 11px 18px;
    border-radius: 5px;
}

.nav-cta span {
    margin-left: 24px;
}

.menu-toggle {
    display: none;
}

.hero {
    min-height: 650px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.eyebrow {
    font-size: 13px;
    letter-spacing: 2px;
    font-weight: 600;
    color: #a5a1ba;
    display: flex;
    align-items: center;
    gap: 9px;
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 100%;
    background: #bba8ff;
    display: inline-block;
    box-shadow: 0 0 12px #9c79ff66;
    flex-shrink: 0;
}

h1 {
    font-size: 70px;
    line-height: 1.22;
    letter-spacing: -3px;
    margin: 29px 0 24px;
    font-weight: 650;
}

.accent {
    color: var(--purple);
}

.hero-description {
    font-size: 19px;
    color: var(--muted);
    line-height: 1.95;
    letter-spacing: .2px;
}

.hero-actions {
    display: flex;
    gap: 31px;
    align-items: center;
    margin-top: 32px;
}

.button {
    padding: 15px 22px;
    border-radius: 5px;
    display: inline-flex;
    align-items: center;
    gap: 35px;
    font-size: 16px;
    font-weight: 600;
    transition: background .2s,transform .2s;
}

.primary {
    background: #b8a5fb;
    color: #151124;
}

.primary:hover {
    background: #cfbfff;
    transform: translateY(-2px);
}

.text-link {
    font-size: 15px;
    color: #b7b6c1;
    display: flex;
    gap: 25px;
}

.hero-foot {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    color: #797e90;
    margin-top: 48px;
}

.hero-foot b {
    font-weight: 400;
    color: #4c4c60;
}

.hero-art {
    height: 580px;
    position: relative;
    margin-left: -40px;
    margin-right: -40px;
}

.hero-art>svg {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 0 24px #7858d02a);
}

.orb {
    position: absolute;
    inset: 12% 5%;
    background: radial-gradient(ellipse,#6d49af26,transparent 65%);
    filter: blur(25px);
}

.art-label {
    position: absolute;
    z-index: 2;
    font-size: 13px;
    border: 1px solid #60567e55;
    background: #14131eae;
    backdrop-filter: blur(10px);
    border-radius: 6px;
    display: flex;
    align-items: center;
}

.label-top {
    top: 106px;
    right: 20px;
    gap: 10px;
    padding: 13px 16px;
    color: #c9c0e2;
}

.signal {
    height: 6px;
    width: 6px;
    background: #b49be9;
    border-radius: 50%;
    box-shadow: 0 0 0 4px #a595d411;
}

.label-bottom {
    bottom: 95px;
    left: 0;
    padding: 18px;
    gap: 13px;
    line-height: 1.9;
    color: #9995ac;
    box-shadow: 0 12px 35px #0004;
}

.label-bottom strong {
    font-size: 15px;
    color: #d2ccdf;
    font-weight: 500;
}

.tiny-cube {
    font-size: 35px;
    color: #b59bff;
}

.corner {
    padding-left: 22px;
    align-self: flex-start;
    color: #ad9bdb;
}

.art-axis {
    font: 9px monospace;
    position: absolute;
    bottom: 57px;
    right: 38px;
    color: #8d849e;
}

.art-axis span {
    color: #383241;
}

.section-divider {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid var(--line);
    padding-bottom: 22px;
    font-size: 14px;
    color: #797c8f;
}

.section-divider>span:last-child {
    font-size: 12px;
    letter-spacing: 1.5px;
}

.section-divider b {
    margin-left: 24px;
    font-size: 19px;
    font-weight: 400;
}

.products {
    padding-top: 100px;
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 43px;
}

h2 {
    font-size: 36px;
    line-height: 1.5;
    letter-spacing: -1.2px;
    font-weight: 550;
    margin: 15px 0 0;
}

h2>span {
    color: var(--purple);
}

.section-heading>p {
    font-size: 15px;
    line-height: 1.9;
    color: var(--muted);
    margin: 0 0 5px;
}

.product {
    display: grid;
    grid-template-columns: 46% 54%;
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
    background: linear-gradient(120deg,#141722,#10121a);
    margin-bottom: 26px;
}

.product-content {
    padding: 33px 34px 0;
}

.product-meta {
    display: flex;
    gap: 18px;
    align-items: center;
}

.product-number {
    font: 11px monospace;
    color: #666c80;
}

.pill {
    font-size: 12px;
    letter-spacing: .5px;
    padding: 6px 10px;
    border: 1px solid #635c8455;
    border-radius: 30px;
    color: #b2a0ed;
    background: #a58aed0a;
}

h3 {
    font-size: 36px;
    font-weight: 550;
    letter-spacing: -1px;
    margin: 24px 0 14px;
}

.product-subtitle {
    display: block;
    font-size: 20px;
    font-weight: 450;
    color: #c7c7d4;
    letter-spacing: .4px;
    margin-top: 9px;
}

.product-description {
    font-size: 15px;
    color: #8e92a4;
    line-height: 1.95;
}

.features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 21px 10px;
    margin: 28px 0;
}

.features>div>span {
    color: #a8a0cd;
    font-size: 21px;
    margin-right: 8px;
}

.features strong {
    font-size: 15px;
    font-weight: 500;
    color: #d2d3e0;
}

.features p {
    font-size: 13px;
    color: #757b91;
    margin: 8px 0 0;
}

.product-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-top: 1px solid #ffffff0c;
    font-size: 15px;
    color: #c9baff;
}

.product-link>span:last-child {
    font-size: 25px;
    transition: transform .2s;
}

.product-link:hover>span:last-child {
    transform: translate(3px,-3px);
}

.product-link small {
    font: 10px monospace;
    color: #75788d;
    margin-left: 12px;
}

.product-visual {
    position: relative;
    background: #10131d;
    padding: 20px 20px 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-left: 1px solid #ffffff06;
}

.visual-top,.visual-footer {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    letter-spacing: 1px;
    color: #6d7389;
    align-items: center;
}

.visual-top {
    padding-bottom: 20px;
}

.visual-top>span:first-child {
    display: flex;
    align-items: center;
    gap: 7px;
    color: #a5a8bb;
}

.visual-top .dot {
    width: 4px;
    height: 4px;
}

.visual-footer {
    margin-top: auto;
    padding: 18px 0;
}

.dashboard {
    display: flex;
    background: #111924;
    border: 1px solid #263040;
    border-radius: 7px;
    flex: 1;
    box-shadow: 0 10px 40px #0003;
    min-height: 320px;
}

.dashboard-rail {
    width: 35px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    border-right: 1px solid #263040;
    color: #586279;
    font-size: 16px;
    padding: 15px 0;
}

.dashboard-rail .rail-logo {
    color: #ae9edb;
    font-size: 24px;
    margin-bottom: 8px;
}

.rail-active {
    color: #af9bdc;
}

.dashboard-main {
    position: relative;
    flex: 1;
    padding: 16px 14px 0;
    min-width: 0;
}

.dashboard-heading {
    font-size: 13px;
    color: #b8becb;
    display: flex;
    justify-content: space-between;
}

.dashboard-heading>span {
    font: 7px monospace;
    color: #727c96;
}

.mini-stats {
    display: flex;
    gap: 8px;
    margin: 17px 0;
}

.mini-stats>div {
    flex: 1;
    padding: 9px;
    background: #192231;
    border: 1px solid #30364c;
    border-radius: 4px;
    min-width: 0;
}

.mini-stats small {
    font-size: 10px;
    color: #757f92;
}

.mini-stats b {
    display: block;
    font-size: 13px;
    font-weight: 450;
    margin-top: 7px;
    white-space: nowrap;
}

.mini-stats i {
    float: right;
    color: #9887d1;
    font-style: normal;
}

#iot-city {
    width: 100%;
    height: 245px;
    display: block;
    margin-top: -18px;
}

.dashboard-caption {
    position: absolute;
    bottom: 12px;
    left: 17px;
    right: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    color: #7f8ba3;
}

.dashboard-caption .dot {
    width: 4px;
    height: 4px;
    background: #80cfcb;
}

.dashboard-caption>span:last-child {
    margin-left: auto;
}

.interform .pill {
    color: #9fc6b4;
    border-color: #7da18f44;
    background: #9de8bd08;
}

.interform .product-link {
    color: #b4d3c2;
}

.interform .features>div>span {
    color: #9eaa9d;
}

.english-name {
    font-size: 24px;
    color: #b2bcae;
    font-weight: 350;
    margin-left: 8px;
}

.room-visual {
    background: #1b211f;
}

.room-visual .visual-top .dot {
    background: #a6c6a7;
}

.room-image {
    margin-top: 10px;
    transform: perspective(1500px) rotateY(-7deg) rotateX(3deg);
    border: 1px solid #ffffff20;
    box-shadow: 0 20px 30px #0005;
    border-radius: 6px;
    overflow: hidden;
    transition: transform .6s;
}

.room-image:hover {
    transform: perspective(1500px) rotateY(0) rotateX(0);
}

.room-image img {
    width: 100%;
    height: auto;
    display: block;
}

.room-note {
    display: flex;
    justify-content: space-between;
    color: #a5af9f;
    font-size: 13px;
    margin: 22px 0;
}

.room-note>span:last-child {
    font: 8px monospace;
    color: #7c897f;
}

.approach {
    padding-top: 110px;
    padding-bottom: 110px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.approach-intro h2 {
    font-size: 33px;
}

.approach-intro>p {
    font-size: 15px;
    line-height: 2;
    color: #8c90a1;
    margin-top: 22px;
}

.principles>div {
    display: flex;
    gap: 22px;
    border-bottom: 1px solid var(--line);
    padding: 25px 0;
}

.principles>div:first-child {
    padding-top: 8px;
}

.principles>div>span {
    font: 10px monospace;
    color: #656a80;
    padding-top: 8px;
}

.principles h3 {
    font-size: 20px;
    letter-spacing: 0;
    margin: 3px 0 11px;
    font-weight: 500;
}

.principles p {
    font-size: 14px;
    line-height: 1.9;
    color: #868a9b;
    margin: 0;
}

.principles b {
    color: #77728a;
    font-size: 20px;
    font-weight: 400;
    margin-left: auto;
    padding-top: 6px;
}

.explore {
    padding-top: 52px;
    padding-bottom: 62px;
    text-align: center;
    position: relative;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: radial-gradient(ellipse at 50% 0,#6750981f,transparent 65%);
}

.explore .eyebrow {
    justify-content: center;
}

.explore h2 {
    font-size: 39px;
    line-height: 1.45;
    margin-top: 20px;
}

.explore>p {
    font-size: 15px;
    color: #9090a3;
    margin: 18px 0 30px;
}

.explore-links {
    display: flex;
    justify-content: center;
    gap: 18px;
}

.explore-links>a {
    width: 295px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    text-align: left;
    background: #1a1828;
    border: 1px solid #484056;
    border-radius: 6px;
    transition: background .2s;
}

.explore-links>a:last-child {
    background: #18231f;
    border-color: #35473d;
}

.explore-links>a:hover {
    background: #2a243e;
}

.explore-links>a:last-child:hover {
    background: #25382e;
}

.explore-links small {
    font-size: 12px;
    color: #9791ab;
}

.explore-links strong {
    display: block;
    font-size: 19px;
    margin-top: 7px;
    font-weight: 500;
}

.explore-links>a>span:last-child {
    font-size: 24px;
    color: #bca4f9;
}

.explore-links>a:last-child>span:last-child {
    color: #add2b4;
}

.footer {
    display: flex;
    align-items: center;
    gap: 30px;
    min-height: 137px;
    margin-top: 40px;
    color: #696d7e;
    font-size: 13px;
}

.footer .brand {
    color: #bdbecc;
    font-size: 17px;
}

.footer>small {
    margin-left: auto;
    font-size: 12px;
}

.back-top {
    width: 30px;
    height: 30px;
    border: 1px solid #303342;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 28px;
}

.skip {
    position: fixed;
    top: -30px;
    left: 20px;
    z-index: 30;
    background: var(--purple);
    color: #111;
    padding: 12px;
}

.skip:focus {
    top: 12px;
}

@media(min-width:1500px) {
    .hero {
        min-height: 710px;
    }
    .hero-art {
        height: 630px;
    }
}

@media(max-width:1000px) {
    .wrap {
        padding-left: 28px;
        padding-right: 28px;
    }
    .header {
        padding: 0 28px;
    }
    h1 {
        font-size: 56px;
    }
    .hero {
        min-height: 600px;
    }
    .hero-art {
        margin-left: -80px;
        margin-right: -30px;
        height: 520px;
    }
    .label-top {
        right: 5px;
        font-size: 12px;
    }
    .label-bottom {
        left: 30px;
        bottom: 65px;
    }
    .product-content {
        padding: 25px 23px 0;
    }
    .features {
        gap: 20px 8px;
    }
    .features p {
        font-size: 12px;
    }
    .product-visual {
        padding: 18px 15px 0;
    }
    .product-link small {
        margin-left: 7px;
    }
    .approach {
        gap: 45px;
    }
    .mini-stats b {
        font-size: 11px;
    }
    .mini-stats i {
        display: none;
    }
    .room-image {
        margin-top: 50px;
    }
    .section-heading h2 {
        font-size: 31px;
    }
    .footer {
        gap: 15px;
    }
    .footer>span {
        display: none;
    }
}

@media(max-width:700px) {
    .wrap {
        padding-left: 22px;
        padding-right: 22px;
    }
    .header {
        height: 76px;
        padding: 0 22px;
        position: relative;
    }
    .brand {
        font-size: 20px;
    }
    .brand svg {
        width: 28px;
        height: 28px;
    }
    .menu-toggle {
        display: block;
        background: none;
        border: 1px solid #383747;
        border-radius: 4px;
        color: #c8c2d7;
        font-size: 21px;
        padding: 5px 9px;
    }
    .header nav {
        display: none;
        position: absolute;
        top: 68px;
        left: 15px;
        right: 15px;
        background: #171923;
        border: 1px solid #363143;
        border-radius: 8px;
        z-index: 10;
        padding: 20px;
        flex-direction: column;
        gap: 25px;
    }
    .header nav.open {
        display: flex;
    }
    .hero {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        min-height: 0;
        padding-top: 55px;
    }
    .hero-copy {
        position: relative;
        z-index: 2;
    }
    h1 {
        font-size: 54px;
        margin-top: 25px;
        line-height: 1.25;
    }
    .eyebrow {
        font-size: 11px;
        letter-spacing: 1.5px;
    }
    .hero-description {
        font-size: 15px;
    }
    .hero-actions {
        gap: 25px;
        margin-top: 27px;
    }
    .button {
        font-size: 15px;
        padding: 14px 18px;
        gap: 23px;
    }
    .hero-foot {
        margin-top: 30px;
        font-size: 12px;
    }
    .hero-art {
        height: 370px;
        width: 100%;
        margin: -4px 0 0;
    }
    .label-top {
        top: 40px;
        right: 0;
        font-size: 11px;
        padding: 10px;
    }
    .label-bottom {
        bottom: 40px;
        left: 0;
        padding: 10px;
        gap: 8px;
        font-size: 11px;
    }
    .label-bottom strong {
        font-size: 12px;
    }
    .tiny-cube {
        font-size: 25px;
    }
    .art-axis {
        bottom: 15px;
        right: 0;
        font-size: 10px;
    }
    .section-divider {
        padding-top: 10px;
        padding-bottom: 18px;
        font-size: 12px;
    }
    .section-divider>span:last-child {
        font-size: 10px;
    }
    .products {
        padding-top: 62px;
    }
    .section-heading {
        display: block;
        margin-bottom: 25px;
    }
    .section-heading h2 {
        font-size: 28px;
        letter-spacing: -1px;
    }
    .section-heading>p {
        font-size: 14px;
        margin-top: 15px;
    }
    .product {
        grid-template-columns: 1fr;
        margin-bottom: 22px;
    }
    .product-content {
        padding: 26px 23px 0;
    }
    h3 {
        font-size: 33px;
        margin-top: 21px;
    }
    .product-subtitle {
        font-size: 17px;
    }
    .features {
        margin: 25px 0;
        gap: 24px 15px;
    }
    .features p {
        font-size: 13px;
    }
    .features strong {
        font-size: 14px;
    }
    .product-visual {
        min-height: 330px;
        padding: 20px 17px 0;
        border-left: none;
        border-top: 1px solid #ffffff08;
    }
    .dashboard {
        min-height: 270px;
    }
    #iot-city {
        height: 205px;
    }
    .visual-footer {
        font-size: 10px;
    }
    .room-visual {
        min-height: 0;
    }
    .room-image {
        margin-top: 3px;
        transform: none;
    }
    .room-note {
        margin: 17px 0;
    }
    .approach {
        display: block;
        padding-top: 60px;
        padding-bottom: 60px;
    }
    .approach-intro h2 {
        font-size: 29px;
    }
    .approach-intro>p {
        font-size: 14px;
    }
    .principles {
        margin-top: 30px;
    }
    .principles>div {
        gap: 18px;
        padding: 22px 0;
    }
    .principles h3 {
        font-size: 19px;
    }
    .principles p {
        font-size: 14px;
    }
    .explore {
        margin-left: 22px;
        margin-right: 22px;
        padding: 35px 20px;
    }
    .explore h2 {
        font-size: 30px;
    }
    .explore>p {
        font-size: 13px;
    }
    .explore-links {
        flex-direction: column;
        gap: 12px;
    }
    .explore-links>a {
        width: 100%;
        padding: 16px 20px;
    }
    .footer {
        flex-wrap: wrap;
        gap: 15px;
        margin-top: 25px;
        padding-top: 10px;
        padding-bottom: 25px;
        min-height: 100px;
    }
    .footer .brand {
        font-size: 16px;
    }
    .footer>small {
        font-size: 11px;
        margin-left: 0;
    }
    .back-top {
        margin-left: auto;
    }
    .footer .brand {
        width: 100%;
    }
}

@media(prefers-reduced-motion:reduce) {
    html {
        scroll-behavior: auto;
    }
    * {
        transition: none!important;
        animation: none!important;
    }
}

.hero-platforms {
    justify-content: flex-start;
    gap: 12px;
    margin-top: 32px;
    max-width: 505px;
    position: relative;
    z-index: 3;
}

.hero-platforms>a {
    width: auto;
    flex: 1;
    min-width: 0;
    padding: 16px 18px;
}

.hero-platforms strong {
    font-size: 17px;
}

.hero-platforms small {
    font-size: 12px;
}

.hero-platforms>a>span:last-child {
    margin-left: 12px;
    font-size: 26px;
}

@media(max-width:1000px) and (min-width:701px) {
    .hero-platforms {
        gap: 8px;
    }
    .hero-platforms>a {
        padding: 14px 11px;
    }
    .hero-platforms strong {
        font-size: 15px;
    }
    .hero-platforms small {
        font-size: 11px;
    }
}

@media(max-width:700px) {
    .hero-platforms {
        flex-direction: column;
        gap: 12px;
        max-width: 360px;
        margin-top: 27px;
    }
    .hero-platforms>a {
        width: 100%;
        padding: 16px 20px;
    }
    .hero-platforms strong {
        font-size: 19px;
    }
}

.hero-art .label-bottom {
    left: 80px;
}

@media(max-width:700px) {
    .hero-art .label-bottom {
        left: 0;
    }
}

/* Readable supporting copy; display headings retain their original sizes. */

.features p,.principles p,.section-heading>p,.product-description,.room-note {
    line-height: 1.85;
}

.hero-copy {
    min-width: 0;
}

.hero-platforms>a {
    gap: 8px;
}

.hero-platforms strong {
    line-height: 1.5;
}

.hero-platforms small {
    line-height: 1.6;
}

.visual-top,.visual-footer {
    line-height: 1.6;
    gap: 12px;
}

.footer {
    line-height: 1.7;
    flex-wrap: wrap;
}

.label-bottom {
    max-width: 265px;
}

.art-label {
    line-height: 1.7;
}

@media(max-width:700px) {
    .hero .eyebrow {
        letter-spacing: 1px;
    }
    .features {
        column-gap: 18px;
    }
    .hero-foot {
        gap: 10px;
    }
    .section-divider>span:last-child {
        letter-spacing: .5px;
    }
    .visual-footer {
        letter-spacing: .5px;
    }
    .product-link small {
        display: inline-block;
    }
    .footer>small {
        white-space: normal;
    }
}
