/* Orbit / Quiet momentum. Route-local: no shared landing-page styles change. */
:root {
  color-scheme: light;
  --paper: #f6f5ee;
  --paper2: #eceee5;
  --ink: #1c3029;
  --ink2: #354b40;
  --muted: #58685e;
  --faint: #657166;
  --line: #d7ddd1;
  --hair: rgba(30, 56, 38, .13);
  --green: #397544;
  --greenDk: #2c6236;
  --greenSoft: #e2eddf;
  --greenLine: #c6d8c0;
  --forest: #081b16;
  --lime: #c3e5a3;
  --orbit-bg: #071014;
  --orbit-border: #47565d;
  --orbit-cyan-deep: #236d60;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 5px; }
button, a, summary, input { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #3b8f71; outline-offset: 5px; }
.serif { font-family: 'Iowan Old Style', 'Palatino Linotype', Georgia, serif; }
.wrap { width: min(100%, 1256px); margin-inline: auto; padding-inline: 48px; }
.eyebrow { display: block; color: var(--greenDk); font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 12px 23px; border: 1px solid transparent; border-radius: 999px; font-size: 15px; font-weight: 550; line-height: 1.4; cursor: pointer; transition: background .2s, transform .2s; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn.green { background: var(--greenDk); color: #fff; }
.btn.green:hover { background: #214c2c; }
.btn.ghost { color: var(--ink); border-color: var(--line); background: transparent; }
.btn.ghost:hover { background: var(--paper2); }
.btn.small { min-height: 40px; padding: 9px 17px; font-size: 14px; }
.skip-link { position: fixed; top: 8px; left: 16px; z-index: 100; padding: 10px 16px; background: white; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

/* Deep forest hero. A bespoke, abstract orbital field, not a product mock-up. */
.orbit-intro { position: relative; isolation: isolate; overflow: hidden; color: #f2f5eb; background: var(--forest); }
.orbit-nav { position: relative; z-index: 3; border-bottom: 1px solid rgba(211, 234, 213, .12); }
.orbit-nav .row { display: flex; height: 80px; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 14px; font-size: 24px; font-weight: 600; letter-spacing: -.06em; }
.brand:hover { text-decoration: none; }
.brand-word span { color: var(--lime); }
.brand-product { font-size: 15px; font-weight: 400; letter-spacing: 0; color: #acbfb3; border-left: 1px solid #456054; padding-left: 14px; }
.orbit-nav .links { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.orbit-nav .navlink { font-size: 14px; color: #c1d1c5; }
.orbit-nav .btn { color: #f2f5eb; border-color: #567262; }
.orbit-nav .btn:hover { background: #17372a; }
.hero { position: relative; min-height: 720px; min-height: clamp(670px, 87svh, 890px); display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: 44px 0 54px; text-align: center; }
.hero::before { content: ''; position: absolute; z-index: -1; inset: -80px -25vw 0; background: radial-gradient(ellipse at 50% 44%, rgba(82, 122, 73, .25), transparent 49%), radial-gradient(ellipse at 80% 8%, rgba(70, 132, 107, .08), transparent 45%); }
.hero .eyebrow { position: relative; z-index: 1; color: #b4c5b5; letter-spacing: .22em; }
.orbital-art { position: absolute; pointer-events: none; width: min(67vw, 770px); aspect-ratio: 1; left: 50%; top: 44%; transform: translate(-50%, -50%); }
.orbital-art::before { content: ''; position: absolute; inset: 17%; border-radius: 50%; border: 1px solid #99c48244; box-shadow: 0 0 110px #94bf5830, inset 0 0 90px #94bf581c; transform: rotate(-31deg) scaleY(.6); }
.orbital-art canvas { display: block; height: 100%; width: 100%; }
.hero h1 { z-index: 1; display: flex; width: 100%; justify-content: space-between; gap: 40px; margin: 120px 0 110px; font-weight: 400; font-size: clamp(60px, 7.7vw, 112px); line-height: 1.02; letter-spacing: -.065em; }
.hero h1 span:last-child { font-family: 'Iowan Old Style', Georgia, serif; font-style: italic; font-weight: 400; letter-spacing: -.06em; color: #d2e6b6; }
.hero-copy { position: relative; z-index: 1; max-width: 630px; }
.hero-copy p { margin: 0 auto 26px; max-width: 550px; color: #c2d1c6; font-size: 18px; line-height: 1.65; text-wrap: balance; }
.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.hero-actions .btn.green { background: var(--lime); color: #18331f; }
.hero-actions .btn.green:hover { background: #d7efc3; }
.hero-actions .btn.ghost { color: #eef3e9; border-color: #496453; }
.hero-actions .btn.ghost:hover { background: #153727; }
.hero-copy .hero-note { margin: 18px 0 0; font-size: 12px; color: #9cb1a1; letter-spacing: .015em; }
.release-ribbon { border-top: 1px solid rgba(211, 234, 213, .16); padding: 20px 0; }
.release-ribbon .wrap { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.release-ribbon p { margin: 0; color: #b3c3b7; font-size: 13px; }
.release-ribbon p:first-child { color: #e2ecda; display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.release-ribbon .dot { width: 6px; height: 6px; border-radius: 50%; background: #bfda9e; }

/* Editorial sections: typography and space do the organising, not boxes. */
section { padding: 100px 0; scroll-margin-top: 28px; }
.center { max-width: 790px; margin-inline: auto; text-align: center; }
h2 { margin: 17px 0 22px; font-size: clamp(34px, 4vw, 54px); font-weight: 400; line-height: 1.12; letter-spacing: -.035em; text-wrap: balance; }
.lead { font-size: 17px; color: var(--muted); line-height: 1.75; text-wrap: pretty; }
.rule { height: 1px; width: 36px; background: #719478; margin: 0 auto 22px; }
.band { background: #edf0e6; border-block: 1px solid var(--hair); }
.section-head { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 64px; margin-bottom: 48px; }
.section-head h2 { margin-bottom: 0; }
.section-head .lead { max-width: 450px; margin: 0 0 4px; }
.caps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 40px; row-gap: 52px; margin-top: 52px; counter-reset: capability; }
.cap-card { border-top: 1px solid #c5d2bf; padding-top: 24px; display: flex; flex-direction: column; counter-increment: capability; }
.cap-card::before { content: '0' counter(capability); font-size: 12px; color: #647a60; letter-spacing: .08em; margin-bottom: 20px; }
.cap-card h3 { font-size: 21px; line-height: 1.4; font-weight: 500; letter-spacing: -.025em; margin: 0 0 14px; }
.cap-card p { margin: 0; font-size: 15px; color: var(--muted); }
.cap-card .plat { margin-top: auto; padding-top: 20px; font-size: 12px; color: #4d684c; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px; margin-top: 55px; }
.step { border-top: 1px solid var(--line); padding-top: 26px; }
.step .n { font: italic 38px/1.2 'Iowan Old Style', Georgia, serif; color: #588357; }
.step h3 { font-size: 21px; font-weight: 500; margin: 18px 0 12px; letter-spacing: -.025em; }
.step p { font-size: 15px; margin: 0; color: var(--muted); }

/* Download card uses the original real routes and server-selected radios. */
#downloads { padding-top: 88px; }
.dltabs { margin: 34px auto 0; max-width: 740px; }
.dltabs .dlr { position: absolute; width: 1px; height: 1px; opacity: 0; }
.dlbar { display: flex; justify-content: center; gap: 4px; width: fit-content; max-width: 100%; margin: 0 auto 28px; padding: 5px; background: #e8ebe1; border-radius: 999px; }
.dlbar label { cursor: pointer; padding: 10px 25px; border-radius: 999px; font-size: 14px; color: #556650; }
.dlbar label:hover { color: var(--ink); }
#dl-mac:checked ~ .dlbar label[for=dl-mac], #dl-win:checked ~ .dlbar label[for=dl-win], #dl-linux:checked ~ .dlbar label[for=dl-linux] { color: var(--ink); background: #fffef8; box-shadow: 0 2px 5px #1e382618; }
#dl-mac:focus-visible ~ .dlbar label[for=dl-mac], #dl-win:focus-visible ~ .dlbar label[for=dl-win], #dl-linux:focus-visible ~ .dlbar label[for=dl-linux] { outline: 3px solid #3b8f71; outline-offset: 3px; }
.dlpanel { display: none; padding: 35px 40px 30px; text-align: left; background: #fffef9; border: 1px solid var(--line); border-radius: 20px; }
#dl-mac:checked ~ .dlp-mac, #dl-win:checked ~ .dlp-win, #dl-linux:checked ~ .dlp-linux { display: block; }
.dlpanel > .lead { margin-top: 0; font-size: 16px; }
.dlpanel > .lead > b:first-child { display: block; font-size: 23px; letter-spacing: -.035em; font-weight: 500; color: var(--ink); margin-bottom: 12px; }
.wtnote { font-size: 14px; color: var(--muted); margin-top: 16px; }
.install-details { border-top: 1px solid var(--line); margin-top: 25px; padding-top: 18px; }
.install-details summary { cursor: pointer; font-size: 14px; font-weight: 550; color: var(--greenDk); }
.install-details[open] summary { margin-bottom: 18px; }
.wtsha { overflow-wrap: anywhere; font: 12px/1.65 ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); border-top: 1px solid var(--line); padding-top: 16px; margin-top: 20px; }
.pmxwrap { overflow-x: auto; margin-top: 45px; }
.pmx { border-collapse: collapse; width: 100%; min-width: 680px; font-size: 14px; }
.pmx th { padding: 18px 16px; text-align: left; color: var(--muted); font-size: 12px; letter-spacing: .07em; font-weight: 500; border-bottom: 1px solid #b6c8b1; text-transform: uppercase; }
.pmx td { padding: 19px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.pmx td.cap { font-weight: 500; max-width: 260px; }
.pill { display: inline-block; font-size: 12px; padding: 4px 10px; border-radius: 6px; white-space: nowrap; }
.pill.ok { background: var(--greenSoft); color: #315c36; }
.pill.dev { background: #f0e9d7; color: #746023; }
.pill.no { color: var(--muted); }
.pmxnote { font-size: 14px; color: var(--muted); max-width: 800px; margin: 22px auto 0; }
.tryit { margin-top: 38px; font-size: 15px; color: var(--ink2); }
.tryit kbd { padding: 2px 5px; border: 1px solid var(--line); border-radius: 4px; background: var(--paper); }
.protoshell { width: 100%; overflow: hidden; border-radius: 15px; border: 1px solid var(--orbit-border); background: var(--orbit-bg); }
.protoshell iframe { display: block; border: 0; width: 1440px; height: 900px; transform-origin: top left; }
.protosmall { margin-top: 22px; }
.provenance { max-width: 750px; font-size: 13px; color: var(--muted); margin-top: 22px; }
.limits { display: grid; grid-template-columns: 1fr 1fr; gap: 36px 50px; margin-top: 40px; }
.limit { display: flex; gap: 16px; padding-top: 23px; border-top: 1px solid var(--line); }
.limit .mk { font: 12px/2.1 ui-monospace, monospace; color: #6c805f; }
.limit p { font-size: 15px; color: var(--muted); margin: 0; }
.limit p b { color: var(--ink); font-weight: 550; }
.limit a { text-decoration: underline; text-underline-offset: 3px; }
.reqs { padding: 0; margin: 30px auto 0; max-width: 620px; list-style: none; text-align: left; }
.reqs li { display: flex; gap: 17px; padding: 16px 0; border-bottom: 1px solid var(--hair); }
.reqs .k { color: #3f7652; }
.final { position: relative; text-align: center; padding: 35px 0 40px; }
.final h2 { max-width: 750px; margin-inline: auto; }
form.wl { display: flex; justify-content: center; gap: 10px; max-width: 520px; margin: 28px auto 0; flex-wrap: wrap; }
form.wl input[type=email] { flex: 1 1 250px; min-width: 0; width: 100%; padding: 13px 18px; color: var(--ink); background: #fffef9; border: 1px solid #bccbb6; border-radius: 999px; }
form.wl .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.wlnote { margin: 18px auto 0; font-size: 13px; color: var(--muted); max-width: 530px; }
.msg { font-size: 14px; text-align: left; padding: 14px 18px; max-width: 520px; margin: 24px auto; border-radius: 8px; }
.msg.ok { background: var(--greenSoft); color: var(--greenDk); }
.msg.bad { background: #f6e4df; color: #8b3931; }
footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 13px; }
footer .row { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
footer .links { margin-left: auto; display: flex; gap: 24px; }
@media (max-width: 1000px) {
  .wrap { padding-inline: 32px; }
  .hero { min-height: 690px; }
  .hero h1 { font-size: 76px; }
  .orbital-art { width: 720px; max-width: 100vw; }
  .caps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-head { gap: 36px; }
}
@media (max-width: 680px) {
  .wrap { padding-inline: 24px; }
  .orbit-nav .row { height: 70px; gap: 12px; }
  .brand { font-size: 21px; gap: 10px; }
  .brand-product { padding-left: 10px; font-size: 14px; }
  .orbit-nav .navlink { display: none; }
  .orbit-nav .links { gap: 0; }
  .orbit-nav .btn { padding-inline: 14px; font-size: 13px; }
  .hero { padding: 32px 0 36px; min-height: 675px; }
  .hero h1 { font-size: clamp(41px, 10vw, 64px); gap: 24px; margin: 115px 0 100px; }
  .orbital-art { width: 610px; max-width: none; top: 39%; opacity: .88; }
  .hero-copy p { font-size: 16px; max-width: 370px; }
  .hero-copy .hero-note { font-size: 12px; }
  .release-ribbon .wrap { flex-direction: column; align-items: flex-start; gap: 6px; }
  section { padding: 65px 0; }
  #downloads { padding-top: 62px; }
  .caps, .steps, .limits, .section-head { grid-template-columns: 1fr; gap: 30px; }
  .section-head { margin-bottom: 35px; }
  .section-head .lead { max-width: none; }
  .caps { margin-top: 35px; }
  .dlpanel { padding: 25px 22px; border-radius: 15px; }
  .dlbar label { padding-inline: 20px; }
  .dlpanel .btn { width: 100%; }
  .lead { font-size: 16px; }
  .protoshell { display: none; }
  .pmx { min-width: 650px; }
  .final { padding: 10px 0; }
  footer .links { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
  .btn:hover { transform: none; }
}