:root {
    color-scheme: light;
    --paper: #f5f5eb;
    --ink: #183432;
    --muted: #495e55;
    --line: #d5dccd;
    --lime: #d5f280;
    --dark: #142f31;
    --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--ink);
    background: var(--paper);
    scroll-behavior: smooth;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; line-height: 1.65; }
a { color: inherit; text-underline-offset: .24em; }
a:focus-visible, summary:focus-visible { outline: 3px solid #658a28; outline-offset: 4px; }
h1, h2, h3, p, figure { margin: 0; }
img { display: block; max-width: 100%; }
.shell { width: min(1160px, calc(100% - 72px)); margin-inline: auto; }
.skip { position: absolute; z-index: 2; top: 0; left: 1rem; padding: .6rem; background: var(--lime); transform: translateY(-120%); }
.skip:focus { transform: translateY(0); }
.header, .footer { display: flex; justify-content: space-between; align-items: center; gap: 18px; }
.header { min-height: 82px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; text-decoration: none; white-space: nowrap; }
.brand img { border-radius: 10px; }
nav { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(14px, 3vw, 34px); font-size: .88rem; }
nav a { text-decoration: none; white-space: nowrap; }
nav a:hover, nav a[aria-current] { text-decoration: underline; }
.nav-cta { border: 1px solid var(--line); padding: 8px 14px; border-radius: 30px; }
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(26px, 5vw, 70px); align-items: center; padding-block: 58px 72px; }
.eyebrow { display: flex; align-items: center; gap: 10px; font: 700 .72rem/1.5 var(--mono); letter-spacing: .13em; }
.eyebrow i { width: 8px; height: 8px; background: #739831; border-radius: 50%; }
.eyebrow span { color: var(--muted); }
h1, h2, h3 { line-height: 1.19; }
.hero h1 { font-size: clamp(2.9rem, 6.25vw, 5.7rem); margin-top: 24px; letter-spacing: -.075em; }
.hero h1 em { font-style: normal; color: #3d624c; }
.hero h1 em span { color: #6b872f; }
.lede { color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.2rem); max-width: 35ch; margin-top: 26px; line-height: 1.85; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 10px 19px; border: 1px solid transparent; border-radius: 30px; font-size: .92rem; font-weight: 750; text-decoration: none; }
.primary { background: var(--lime); color: #182b22; }
.primary:hover { background: #e5faa7; }
.secondary { border-color: var(--line); }
.secondary:hover, .nav-cta:hover { background: #e7ecde; }
.note { margin-top: 15px; color: var(--muted); font-size: .78rem; }
.stage { position: relative; display: grid; place-items: center; isolation: isolate; overflow: hidden; min-width: 0; min-height: 510px; background: radial-gradient(ellipse at 50% 56%, #35594b, var(--dark) 72%); border-radius: 28px; padding: 55px 30px 49px; color: var(--lime); }
.stage-top { position: absolute; inset: 20px 23px auto; display: flex; justify-content: space-between; gap: 8px; font: .65rem/1.4 var(--mono); letter-spacing: .09em; }
.orbit { position: absolute; z-index: -1; width: 80%; aspect-ratio: 1; border: 1px solid #d5f28040; border-radius: 50%; }
.orbit-two { width: 66%; border-style: dashed; }
.orbit-three { width: 95%; border-color: #d5f28022; }
.phone { width: clamp(155px, 17vw, 216px); height: auto; border: 6px solid #0b2020; border-radius: 27px; box-shadow: 0 18px 42px #071717b3; }
.stage figcaption { position: absolute; right: 23px; bottom: 16px; color: #d8e6d5; font-size: .72rem; }
.features { border-top: 1px solid var(--line); padding-block: 54px 76px; }
.section-head h2, .install h2 { font-size: clamp(2rem, 4.15vw, 3.6rem); margin-top: 13px; letter-spacing: -.045em; }
.section-head > p:last-child, .install h2 + p { color: var(--muted); margin-top: 14px; }
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.tiles article { background: #fbfbf4; border: 1px solid var(--line); border-radius: 19px; padding: clamp(18px, 2.6vw, 32px); }
.index { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font: 700 .8rem var(--mono); }
.index span { display: grid; place-items: center; width: 39px; height: 39px; background: #e8efda; color: var(--ink); border-radius: 50%; font-size: 1.25rem; }
.tiles h3 { margin-block: 22px 10px; font-size: 1.23rem; }
.tiles article > p:last-child { color: var(--muted); font-size: .94rem; }
.install { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(24px, 5vw, 75px); padding: clamp(24px, 5vw, 64px); border-radius: 25px; background: var(--dark); color: #f4f7ec; }
.install .eyebrow { color: var(--lime); }
.install h2 + p, .steps p { color: #d3e0d4; }
.install .button { margin-top: 23px; }
.steps { list-style: none; counter-reset: step; padding: 0; margin: 0; }
.steps li { counter-increment: step; display: flex; gap: 16px; padding: 15px 0; border-bottom: 1px solid #ffffff30; }
.steps li:first-child { padding-top: 3px; }
.steps li::before { content: "0" counter(step); flex: 0 0 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: #d5f28024; color: var(--lime); font: .72rem var(--mono); }
.steps h3 { font-size: 1rem; margin-top: 4px; }
.steps p { margin-top: 5px; font-size: .91rem; }
.text-link { display: inline-block; margin-top: 18px; color: var(--lime); font-size: .85rem; }
.footer { margin-top: 64px; padding-block: 24px 34px; border-top: 1px solid var(--line); }
.footer small { display: block; color: var(--muted); margin-top: 4px; }
.document { max-width: 760px; padding-block: 43px 10px; }
.back { display: inline-block; margin-bottom: 37px; color: var(--muted); font-size: .9rem; }
.document h1 { font-size: clamp(2.6rem, 7vw, 4.6rem); margin-top: 13px; letter-spacing: -.06em; }
.document .lede { max-width: 100%; margin-top: 15px; }
.document-body { margin-top: 37px; }
.document-body section { border-top: 1px solid var(--line); padding-block: 25px; }
.document-body h2 { font-size: 1.38rem; }
.document-body p:not(.eyebrow) { color: var(--muted); margin-top: 11px; }
details { margin-top: 12px; background: #fbfbf4; border: 1px solid var(--line); border-radius: 12px; }
summary { cursor: pointer; font-weight: 700; padding: 13px 16px; }
details p { padding: 0 16px 16px; margin-top: 0 !important; }
.document-body .feedback { padding: 26px; background: #e8efda; border: 1px solid var(--line); border-radius: 16px; }
.feedback h2 { margin-top: 10px; }
.feedback .button { margin-top: 14px; }
:target { scroll-margin-top: 20px; }
@media (max-width: 790px) {
    .shell { width: calc(100% - 42px); }
    .hero { padding-block: 42px 50px; }
    .stage { min-height: 400px; }
}
@media (max-width: 650px) {
    .header { flex-wrap: wrap; gap: 9px; padding-block: 13px; }
    .header nav { justify-content: space-between; width: 100%; }
    .hero, .install, .tiles { grid-template-columns: 1fr; }
    .stage { min-height: 385px; }
    .hero h1 { font-size: clamp(2.65rem, 11vw, 4.6rem); }
    .features { padding-block: 36px 50px; }
    .footer { flex-wrap: wrap; margin-top: 42px; }
}
@media (prefers-reduced-motion: reduce) {
    :root { scroll-behavior: auto; }
}
