:root {
    --red: #c8102e;
    --ink: #231f20;
    --muted: #74706e;
    --paper: #f6f4f1
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif
}

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

button {
    font: inherit;
    cursor: pointer
}

header {
    height: 88px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid #eee
}

.brand {
    width: 190px;
    height: 58px;
    object-fit: contain
}

nav {
    display: flex;
    align-items: center;
    gap: 32px;
    font-size: 14px
}

.active {
    color: var(--red)
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    background: var(--red);
    color: white;
    padding: 17px 25px;
    border: 1px solid var(--red);
    font-size: 14px
}

.btn:hover {
    background: #a50b24
}

.btn.light {
    background: transparent;
    border-color: #c9c3bf;
    color: var(--ink)
}

.wrap {
    max-width: 1320px;
    margin: auto;
    padding: 0 5%
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 78px 0 65px
}

.eyebrow {
    font-size: 11px;
    letter-spacing: 2.5px;
    color: var(--red);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px
}

.eyebrow:before {
    content: '';
    width: 26px;
    height: 2px;
    background: var(--red)
}

h1 {
    font-size: clamp(42px, 4.7vw, 70px);
    letter-spacing: -3px;
    line-height: 1.23;
    margin: 28px 0
}

h1 em {
    font-style: normal;
    color: var(--red)
}

.lead {
    font-size: 16px;
    line-height: 1.9;
    color: var(--muted);
    max-width: 470px
}

.hero-grid {
    display: grid;
    grid-template-columns:1.03fr 1fr;
    align-items: center;
    gap: 35px
}

.actions {
    display: flex;
    gap: 14px;
    margin: 30px 0
}

.tags {
    display: flex;
    gap: 22px;
    font-size: 12px;
    color: #6f6864;
    margin-top: 28px
}

.tags span:before {
    content: '✓';
    color: var(--red);
    margin-right: 6px
}

.visual {
    height: 480px;
    position: relative
}

.orbit {
    position: absolute;
    width: 440px;
    height: 440px;
    border: 1px solid #ddd6d0;
    border-radius: 50%;
    top: 0;
    left: 40px
}

.orbit:before {
    content: '';
    position: absolute;
    inset: 38px;
    border: 1px dashed #ddd6d0;
    border-radius: 50%
}

.bigword {
    position: absolute;
    top: 5px;
    left: 20px;
    color: #e8e1dc;
    font-size: 110px;
    font-weight: 800;
    letter-spacing: -7px
}

.browser {
    position: absolute;
    top: 80px;
    left: 12px;
    right: 0;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 24px 50px #2c1b1720;
    border: 1px solid #e1d9d3;
    transform: rotate(-5deg);
    overflow: hidden
}

.bar {
    height: 28px;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 0 13px;
    background: #fff
}

.dot {
    width: 5px;
    height: 5px;
    background: #ddd;
    border-radius: 50%
}

.url {
    font-size: 8px;
    color: #8e8884;
    margin: auto
}

.browser img {
    display: block;
    width: 100%;
    height: 300px;
    object-fit: cover;
    object-position: top
}

.phone {
    position: absolute;
    width: 135px;
    height: 260px;
    right: -5px;
    bottom: 10px;
    background: white;
    border: 5px solid #272424;
    border-radius: 20px;
    overflow: hidden;
    transform: rotate(7deg);
    box-shadow: 0 15px 30px #0002
}

.phone img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top
}

.float {
    position: absolute;
    left: -15px;
    bottom: 16px;
    padding: 18px 23px;
    background: #fff;
    box-shadow: 0 10px 30px #0001;
    font-size: 12px;
    display: flex;
    gap: 13px;
    align-items: center
}

.float b {
    display: block;
    font-size: 16px;
    margin-bottom: 5px
}

.float i {
    background: #fbe7e9;
    color: var(--red);
    font-style: normal;
    padding: 10px
}

.hero-foot {
    border-top: 1px solid #ded9d5;
    margin-top: 52px;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--muted)
}

.hero-foot strong {
    color: var(--ink);
    font-size: 19px;
    margin-right: 9px
}

.section {
    padding: 90px 0
}

.white {
    background: white
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    margin-bottom: 38px;
    gap: 30px
}

h2 {
    font-size: 36px;
    line-height: 1.35;
    letter-spacing: -1px;
    margin: 15px 0 0
}

.section-head p {
    color: var(--muted);
    font-size: 14px;
    max-width: 340px;
    line-height: 1.8
}

.capabilities {
    display: grid;
    grid-template-columns:repeat(4, 1fr);
    border-top: 1px solid #ddd
}

.cap {
    padding: 28px 24px 12px 0;
    border-right: 1px solid #e5e2de;
    margin-right: 24px
}

.cap:last-child {
    border: 0;
    margin: 0
}

.number {
    color: var(--red);
    font-size: 12px
}

.cap h3 {
    font-size: 20px;
    margin: 38px 0 14px
}

.cap p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.9
}

.cap small {
    font-size: 10px;
    letter-spacing: 1px;
    color: #999
}

.tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 28px
}

.tab {
    padding: 12px 23px;
    background: transparent;
    border: 1px solid #d7d1cc
}

.tab[aria-selected=true] {
    background: var(--ink);
    color: white;
    border-color: var(--ink)
}

.solution {
    display: grid;
    grid-template-columns:1fr 1fr;
    background: #ebe7e2;
    min-height: 380px
}

.solution-copy {
    padding: 45px
}

.solution-copy h3 {
    font-size: 28px;
    margin: 10px 0 20px
}

.solution-copy p {
    color: #777;
    line-height: 1.9;
    font-size: 14px
}

.solution-copy ul {
    padding: 0;
    list-style: none;
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 16px;
    font-size: 13px;
    margin: 25px 0
}

.solution-copy li:before {
    content: '↗';
    color: var(--red);
    margin-right: 8px
}

.solution-art {
    position: relative;
    overflow: hidden;
    background: #ded9d3;
    padding: 35px 40px 0
}

.solution-art img {
    width: 100%;
    height: 370px;
    object-fit: cover;
    object-position: top;
    box-shadow: 0 10px 35px #0002;
    transition: transform .6s
}

.solution-art:hover img {
    transform: translateY(-15px)
}

.textlink {
    font-size: 14px;
    border-bottom: 1px solid var(--ink);
    padding-bottom: 7px;
    display: inline-block
}

.case-grid {
    display: grid;
    grid-template-columns:repeat(3, 1fr);
    gap: 24px
}

.case-image {
    height: 340px;
    overflow: hidden;
    background: #eeece9;
    padding: 25px 25px 0
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform .5s
}

.case-image:hover img {
    transform: scale(1.04)
}

.case h3 {
    font-size: 18px;
    margin: 20px 0 8px
}

.case p {
    font-size: 12px;
    color: var(--muted)
}

.note {
    font-size: 11px;
    color: #888;
    margin-top: 26px
}

.dark {
    background: #242323;
    color: #fff
}

.dark .eyebrow {
    color: #f17e8c
}

.steps {
    display: grid;
    grid-template-columns:repeat(5, 1fr);
    margin-top: 50px;
    gap: 25px
}

.step {
    border-top: 1px solid #555;
    padding-top: 22px
}

.step b {
    font-size: 34px;
    color: #817572;
    font-weight: 400
}

.step h3 {
    font-size: 17px
}

.step p {
    color: #b7afab;
    line-height: 1.9;
    font-size: 12px
}

.faq {
    display: grid;
    grid-template-columns:1fr 1.5fr;
    gap: 70px
}

details {
    border-bottom: 1px solid #d9d3ce;
    padding: 24px 0
}

summary {
    cursor: pointer;
    list-style: none;
    font-size: 16px;
    display: flex;
    justify-content: space-between
}

summary:after {
    content: '+';
    color: var(--red)
}

details[open] summary:after {
    content: '−'
}

details p {
    color: var(--muted);
    line-height: 1.9;
    font-size: 14px
}

.contact {
    background: var(--red);
    color: #fff;
    padding: 64px 0
}

.contact .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px
}

.contact h2 {
    font-size: 36px;
    margin: 0 0 15px
}

.contact p {
    font-size: 14px;
    color: #ffd4d9
}

.contact .btn {
    background: #fff;
    color: var(--red);
    border-color: #fff
}

.telephone {
    display: block;
    font-size: 23px;
    margin-top: 15px
}

footer {
    padding: 32px 5%;
    font-size: 12px;
    display: flex;
    justify-content: space-between;
    color: #777;
    background: white
}

.menu {
    display: none
}

.label {
    font-size: 10px;
    letter-spacing: 2px;
    color: #8b8078
}

.redline {
    height: 4px;
    background: var(--red);
    width: 45px;
    margin-bottom: 25px
}

a:focus-visible, button:focus-visible, summary:focus-visible {
    outline: 3px solid #dc9a30;
    outline-offset: 4px
}

@media (max-width: 900px) {
    nav {
        gap: 15px
    }

    nav a {
        font-size: 12px
    }

    .hero-grid {
        gap: 15px
    }

    .visual {
        transform: scale(.85);
        transform-origin: center
    }

    .tags {
        gap: 10px
    }

    h1 {
        letter-spacing: -2px
    }

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

    .case-image {
        height: 270px;
        padding: 15px
    }

    .steps {
        gap: 14px
    }
}

@media (max-width: 650px) {
    header {
        height: 72px
    }

    .brand {
        width: 150px
    }

    .menu {
        display: block;
        background: transparent;
        border: 1px solid #ddd;
        padding: 8px 12px
    }

    nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        padding: 24px;
        background: #fff;
        box-shadow: 0 15px 20px #0001;
        flex-direction: column
    }

    nav.open {
        display: flex
    }

    .hero {
        padding-top: 42px
    }

    .hero-grid {
        grid-template-columns:1fr
    }

    .hero h1 {
        font-size: 45px
    }

    .visual {
        height: 370px;
        transform: none;
        margin: 15px 15px 0
    }

    .orbit {
        width: 300px;
        height: 300px;
        left: 15px
    }

    .browser {
        top: 60px
    }

    .browser img {
        height: 230px
    }

    .bigword {
        font-size: 80px
    }

    .phone {
        width: 100px;
        height: 200px;
        bottom: 0
    }

    .float {
        bottom: 0;
        padding: 12px;
        font-size: 10px
    }

    .hero-foot {
        display: grid;
        grid-template-columns:1fr 1fr;
        gap: 20px
    }

    .hero-foot strong {
        font-size: 17px
    }

    .section {
        padding: 60px 0
    }

    .section-head {
        display: block
    }

    h2 {
        font-size: 29px
    }

    .cap {
        margin: 0;
        padding: 22px 14px 15px 0
    }

    .cap:nth-child(even) {
        padding-left: 18px;
        border: 0
    }

    .cap h3 {
        margin-top: 22px;
        font-size: 18px
    }

    .tabs {
        gap: 8px
    }

    .tab {
        padding: 10px 12px;
        font-size: 13px
    }

    .solution {
        grid-template-columns:1fr
    }

    .solution-copy {
        padding: 28px
    }

    .solution-art {
        padding: 25px 25px 0
    }

    .solution-art img {
        height: 260px
    }

    .case-grid {
        grid-template-columns:1fr
    }

    .case-image {
        height: 360px;
        padding: 25px
    }

    .steps {
        grid-template-columns:1fr
    }

    .step {
        display: grid;
        grid-template-columns:40px 1fr;
        column-gap: 15px
    }

    .step p {
        grid-column: 2;
        margin-top: 0
    }

    .step h3 {
        margin-top: 8px
    }

    .faq {
        grid-template-columns:1fr;
        gap: 20px
    }

    .contact .wrap {
        display: block
    }

    .contact h2 {
        font-size: 29px
    }

    .contact .btn {
        margin-top: 20px
    }

    footer {
        gap: 20px;
        line-height: 1.8;
        flex-direction: column
    }

    .tags {
        font-size: 11px
    }

    .btn {
        padding: 15px 19px;
        gap: 15px
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto
    }

    * {
        transition: none !important
    }
}

.listing {
    min-height: 65vh;
    padding: 65px 0 90px
}

.listing h1 {
    font-size: 48px;
    letter-spacing: -1px
}

.crumb {
    font-size: 12px;
    color: #777
}

.intro {
    color: #777;
    line-height: 1.9;
    max-width: 650px
}

.entries {
    margin-top: 40px;
    display: grid;
    grid-template-columns:repeat(2, 1fr);
    gap: 22px
}

.entry {
    background: white;
    padding: 30px;
    border: 1px solid #e4dfda;
    display: block
}

.entry:hover {
    border-color: var(--red)
}

.entry h2 {
    font-size: 23px;
    margin: 18px 0
}

.entry p {
    font-size: 14px;
    color: #777;
    line-height: 1.9
}

.entry img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    margin-bottom: 24px
}

.entry .read {
    display: block;
    color: var(--red);
    font-size: 13px;
    margin-top: 25px
}

.article {
    max-width: 800px;
    margin: auto;
    background: white;
    padding: 45px
}

.article h1 {
    font-size: 36px;
    line-height: 1.5
}

.article h2 {
    font-size: 23px;
    margin-top: 35px
}

.article p {
    line-height: 2;
    font-size: 16px;
    color: #625c58
}

.article .crumb {
    display: block;
    margin-bottom: 30px
}

.empty {
    padding: 50px;
    background: white;
    margin-top: 35px
}

.solution-pagination {
    display: block;
    margin-top: 36px
}

.solution-pagination > div {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px
}

.solution-pagination a,
.solution-pagination .current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
    padding: 8px 14px;
    border: 1px solid #e4dfda;
    background: white;
    font-size: 14px
}

.solution-pagination a:hover,
.solution-pagination a:focus-visible,
.solution-pagination .current {
    border-color: var(--red);
    background: var(--red);
    color: white
}

@media (max-width: 650px) {
    .entries {
        grid-template-columns:1fr
    }

    .listing h1 {
        font-size: 34px
    }

    .article {
        padding: 25px
    }

    .article h1 {
        font-size: 28px
    }

    .entry {
        padding: 25px
    }
}

/* Pure CSS mobile navigation: no JavaScript required. */
.menu-toggle {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    opacity: 0;
    pointer-events: none
}

.menu-label {
    display: none;
    background: transparent;
    border: 1px solid #ddd;
    padding: 8px 12px;
    cursor: pointer
}

@media (max-width: 650px) {
    .menu {
        display: none
    }

    .menu-label {
        display: block
    }

    .menu-toggle:checked ~ nav {
        display: flex
    }
}