:root {
    --sky: #62c6ec;
    --sky-deep: #279fcf;
    --sky-soft: #e9f8ff;
    --red: #ee2d48;
    --red-deep: #c91435;
    --ink: #14202a;
    --muted: #52616d;
    --paper: #fbfdff;
    --line: rgba(20, 32, 42, 0.12);
    --card: rgba(255, 255, 255, 0.78);
    --shadow: 0 24px 70px rgba(34, 118, 151, 0.18);
    --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: radial-gradient(circle at 78% 10%, rgba(98, 198, 236, 0.24), transparent 30rem), linear-gradient(180deg, #fff 0%, var(--paper) 54%, #f2faff 100%);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
    font-size: 17px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
.wrap { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.site-header {
    width: min(1180px, calc(100% - 32px)); min-height: 72px; margin: 14px auto 0; padding: 10px 14px; display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 5;
    background: rgba(255, 255, 255, 0.72); border: 1px solid rgba(255, 255, 255, 0.86); border-radius: 22px; box-shadow: 0 10px 40px rgba(22, 76, 98, 0.07); backdrop-filter: blur(18px) saturate(140%);
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 760; text-decoration: none; letter-spacing: -0.02em; }
.brand img { border-radius: 10px; box-shadow: 0 5px 14px rgba(31, 141, 184, 0.22); }
nav { display: flex; gap: 6px; }
nav a { padding: 9px 13px; color: var(--muted); border-radius: 12px; font-size: 15px; font-weight: 650; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--ink); background: var(--sky-soft); outline: none; }
.hero { min-height: 620px; padding-block: 72px 84px; display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr); align-items: center; gap: 72px; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { margin: 0 0 14px; color: var(--red-deep); font-size: 13px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; text-wrap: balance; }
h1 { margin-bottom: 24px; font-size: clamp(50px, 6.7vw, 82px); line-height: 0.96; letter-spacing: -0.06em; }
h2 { margin-bottom: 18px; font-size: clamp(36px, 4.6vw, 58px); line-height: 1.02; letter-spacing: -0.048em; }
h3 { margin-bottom: 9px; font-size: 21px; line-height: 1.2; letter-spacing: -0.025em; }
.lede { max-width: 700px; margin: 0; color: var(--muted); font-size: clamp(20px, 2.1vw, 25px); line-height: 1.45; letter-spacing: -0.015em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { min-height: 52px; padding: 13px 20px; display: inline-flex; align-items: center; justify-content: center; border-radius: 15px; font-weight: 750; text-decoration: none; transition: transform 160ms ease, box-shadow 160ms ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: #fff; background: var(--red); box-shadow: 0 12px 28px rgba(238, 45, 72, 0.25); }
.button.secondary { background: rgba(255, 255, 255, 0.85); border: 1px solid var(--line); }
.availability { margin: 19px 0 0; color: #6d7a84; font-size: 14px; }
.hero-art { min-height: 420px; display: grid; place-items: center; position: relative; isolation: isolate; }
.hero-art::before { content: ""; width: 420px; height: 420px; position: absolute; z-index: -2; border-radius: 50%; background: radial-gradient(circle, rgba(98, 198, 236, 0.45), rgba(98, 198, 236, 0.04) 64%, transparent 70%); }
.hero-art img { width: min(300px, 72vw); aspect-ratio: 1; object-fit: contain; border-radius: 24%; box-shadow: var(--shadow); transform: rotate(2deg); }
.orbit { position: absolute; z-index: -1; border: 1px solid rgba(39, 159, 207, 0.2); border-radius: 50%; }
.orbit-one { width: 410px; height: 210px; transform: rotate(-18deg); }
.orbit-two { width: 320px; height: 460px; transform: rotate(28deg); }
.section { padding-block: 96px; }
.section-heading { max-width: 760px; }
.section-heading > p:last-child { margin: 0; color: var(--muted); font-size: 20px; }
.product-showcase { padding-top: 72px; }
.product-showcase .section-heading { margin-bottom: 42px; }
.product-showcase figure { margin: 0; padding: clamp(18px, 4vw, 42px); overflow: hidden; background: linear-gradient(145deg, rgba(98, 198, 236, 0.22), rgba(255, 255, 255, 0.76)); border: 1px solid rgba(39, 159, 207, 0.16); border-radius: clamp(26px, 4vw, 48px); box-shadow: var(--shadow); }
.showcase-scroll { overflow: hidden; }
.product-showcase figure img { width: 100%; height: auto; }
.swipe-hint { display: none; }
.product-showcase figcaption { margin-top: 18px; color: var(--muted); font-size: 13px; text-align: center; }
.product-showcase figcaption a { text-underline-offset: 3px; }
.feature-grid { margin-top: 42px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.feature-card { min-height: 142px; padding: 24px; display: flex; align-items: flex-start; gap: 18px; background: var(--card); border: 1px solid rgba(39, 159, 207, 0.14); border-radius: 22px; box-shadow: 0 14px 42px rgba(41, 106, 133, 0.07); }
.feature-card h3 { margin-bottom: 5px; }
.feature-card p { margin: 0; color: var(--muted); }
.feature-mark { width: 44px; height: 44px; flex: 0 0 44px; display: grid; place-items: center; color: #fff; background: linear-gradient(145deg, var(--sky), var(--sky-deep)); border-radius: 13px; font-size: 18px; font-weight: 800; box-shadow: 0 9px 22px rgba(39, 159, 207, 0.22); }
.feature-card:nth-child(2n) .feature-mark { background: linear-gradient(145deg, #ff566d, var(--red-deep)); box-shadow: 0 9px 22px rgba(238, 45, 72, 0.18); }
.principles { background: #112632; color: #fff; }
.principles .eyebrow { color: #77d8fb; }
.principles-inner { display: grid; grid-template-columns: 0.88fr 1.12fr; gap: 72px; }
.principle-list article { padding: 23px 0; display: grid; grid-template-columns: 44px 1fr; gap: 16px; border-top: 1px solid rgba(255, 255, 255, 0.14); }
.principle-list article:first-child { padding-top: 0; border-top: 0; }
.principle-list p { margin: 0; color: rgba(255, 255, 255, 0.68); }
.principle-list .number { color: #77d8fb; font-size: 13px; font-weight: 800; letter-spacing: 0.1em; }
.open-source { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 34px; align-items: center; }
.open-source img { aspect-ratio: 1; object-fit: contain; border-radius: 25px; box-shadow: 0 14px 34px rgba(39, 159, 207, 0.2); }
.open-source h2 { margin-bottom: 12px; }
.open-source p:not(.eyebrow) { max-width: 690px; margin: 0 0 18px; color: var(--muted); }
.text-link { color: var(--red-deep); font-weight: 760; text-decoration: none; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.source-links { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.quiet-faq { margin-top: -54px; margin-bottom: 72px; color: var(--muted); font-size: 8px; opacity: 0.02; transition: opacity 160ms ease; }
.quiet-faq:not([open]) { -webkit-mask-image: linear-gradient(90deg, #000 0, transparent 30px); mask-image: linear-gradient(90deg, #000 0, transparent 30px); }
.quiet-faq:hover, .quiet-faq:focus-within { opacity: 0.12; }
.quiet-faq[open] { opacity: 0.5; -webkit-mask-image: none; mask-image: none; }
.quiet-faq summary { width: max-content; cursor: pointer; font-size: 5px; line-height: 1; text-decoration: underline; text-underline-offset: 1px; }
.quiet-faq p { margin: 8px 0 0; line-height: 1.35; }
.quiet-faq strong { color: var(--ink); }
.site-footer { padding: 28px 0 38px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-inner p { margin: 0; }
.footer-inner div { display: flex; gap: 18px; }
.site-footer a { color: inherit; text-underline-offset: 3px; }
.legal-page { background: linear-gradient(180deg, var(--sky-soft), #fff 420px); }
.legal-main { width: min(800px, calc(100% - 40px)); margin: 70px auto 120px; }
.legal-intro { margin-bottom: 52px; }
.legal-intro h1 { max-width: 700px; font-size: clamp(46px, 7vw, 76px); }
.legal-intro .lede { font-size: 20px; }
.effective { margin-top: 22px; color: var(--muted); font-size: 14px; font-weight: 650; }
.legal-copy { padding: clamp(26px, 5vw, 54px); background: rgba(255, 255, 255, 0.88); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 22px 70px rgba(34, 118, 151, 0.1); }
.legal-copy section + section { margin-top: 44px; padding-top: 42px; border-top: 1px solid var(--line); }
.legal-copy h2 { margin-bottom: 13px; font-size: 27px; line-height: 1.18; letter-spacing: -0.03em; }
.legal-copy p, .legal-copy li { color: #42525e; }
.legal-copy p { margin: 0 0 15px; }
.legal-copy p:last-child { margin-bottom: 0; }
.legal-copy ul { margin: 14px 0 0; padding-left: 22px; }
.legal-copy li + li { margin-top: 8px; }
.callout { padding: 20px 22px; background: var(--sky-soft); border-left: 4px solid var(--sky-deep); border-radius: 0 14px 14px 0; }
.callout.red { background: #fff0f2; border-left-color: var(--red); }
@media (max-width: 820px) {
    .home-header nav a[href^="#"] { display: none; }
    .hero { min-height: auto; padding-block: 64px 74px; grid-template-columns: 1fr; gap: 50px; }
    .hero-art { min-height: 340px; }
    .hero-art::before { width: 350px; height: 350px; }
    .orbit-one { width: 350px; }
    .orbit-two { height: 390px; }
    .principles-inner { grid-template-columns: 1fr; gap: 50px; }
}
@media (max-width: 560px) {
    .wrap, .legal-main { width: min(100% - 28px, 1120px); }
    .site-header { width: calc(100% - 20px); min-height: 60px; margin-top: 10px; padding: 8px 10px; border-radius: 18px; }
    .brand { gap: 8px; }
    .brand img { width: 36px; height: 36px; border-radius: 9px; }
    .brand span { font-size: 14px; }
    nav { gap: 0; }
    nav a { padding: 8px 9px; font-size: 14px; }
    .hero { padding-block: 52px 58px; gap: 34px; }
    .hero h1 { margin-bottom: 18px; font-size: clamp(42px, 13vw, 54px); line-height: 0.98; letter-spacing: -0.055em; }
    .lede { font-size: 18px; line-height: 1.48; }
    .actions { display: grid; grid-template-columns: 1fr 1fr; margin-top: 28px; }
    .button { min-height: 50px; padding-inline: 14px; font-size: 15px; }
    .availability { max-width: 300px; margin-top: 16px; line-height: 1.45; }
    .hero-art { min-height: 190px; }
    .hero-art img { width: 154px; border-radius: 24%; transform: none; }
    .hero-art::before { width: 210px; height: 210px; }
    .orbit-one { width: 220px; height: 116px; }
    .orbit-two { width: 168px; height: 224px; }
    .section { padding-block: 66px; }
    .section-heading h2 { margin-bottom: 12px; font-size: 38px; }
    .section-heading > p:last-child { font-size: 17px; }
    .product-showcase { padding-top: 54px; }
    .product-showcase .section-heading { margin-bottom: 28px; }
    .product-showcase figure { margin-inline: -14px; padding: 12px 0 16px; border-radius: 26px; }
    .showcase-scroll { overflow-x: auto; overscroll-behavior-inline: contain; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
    .showcase-scroll::-webkit-scrollbar { display: none; }
    .product-showcase .showcase-scroll img { width: 780px; max-width: none; padding-inline: 12px; }
    .swipe-hint { display: block; margin: 10px 0 0; color: var(--muted); font-size: 13px; text-align: center; }
    .product-showcase figcaption { margin: 4px 18px 0; }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-card { min-height: 0; padding: 20px; gap: 16px; border-radius: 20px; }
    .feature-card h3 { font-size: 19px; }
    .feature-card p { font-size: 16px; }
    .principles-inner { gap: 30px; }
    .principle-list article { padding-block: 20px; grid-template-columns: 34px 1fr; gap: 10px; }
    .principle-list h3 { font-size: 19px; }
    .principle-list p { font-size: 15px; }
    .open-source { grid-template-columns: 68px minmax(0, 1fr); gap: 18px; align-items: start; }
    .open-source img { width: 68px; border-radius: 16px; }
    .open-source h2 { font-size: 34px; }
    .source-links { flex-direction: column; gap: 12px; }
    .quiet-faq { margin-top: -30px; margin-bottom: 54px; }
    .footer-inner { align-items: flex-start; flex-direction: column; }
    .footer-inner div { flex-wrap: wrap; gap: 10px 18px; }
    .legal-main { margin-top: 48px; margin-bottom: 80px; }
    .legal-intro { margin-bottom: 34px; }
    .legal-intro h1 { margin-bottom: 16px; font-size: 46px; }
    .legal-intro .lede { font-size: 18px; }
    .legal-copy { padding: 24px 20px; border-radius: 22px; }
    .legal-copy section + section { margin-top: 32px; padding-top: 30px; }
    .legal-copy h2 { font-size: 23px; }
    .callout { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button { transition: none; } }
@media (prefers-color-scheme: dark) {
    :root { --ink: #eff8fc; --muted: #b2c3cc; --paper: #0e1a21; --line: rgba(255, 255, 255, 0.13); --card: rgba(22, 42, 53, 0.82); }
    body { background: radial-gradient(circle at 78% 10%, rgba(39, 159, 207, 0.2), transparent 30rem), #0e1a21; }
    .site-header { background: rgba(15, 29, 37, 0.78); border-color: rgba(255, 255, 255, 0.08); }
    nav a:hover, nav a:focus-visible { background: rgba(98, 198, 236, 0.13); }
    .button.secondary { background: rgba(255, 255, 255, 0.07); }
    .product-showcase figure { background: linear-gradient(145deg, rgba(39, 159, 207, 0.18), rgba(255, 255, 255, 0.035)); border-color: rgba(255, 255, 255, 0.09); }
    .availability, .feature-card p, .open-source p:not(.eyebrow) { color: var(--muted); }
    .legal-page { background: linear-gradient(180deg, #102c39, #0e1a21 420px); }
    .legal-copy { background: rgba(19, 35, 44, 0.92); }
    .legal-copy p, .legal-copy li { color: #c3d2d9; }
    .callout { background: rgba(39, 159, 207, 0.13); }
    .callout.red { background: rgba(238, 45, 72, 0.12); }
}