:root {
  --ink: #10201f;
  --ink-soft: #243a38;
  --muted: #667773;
  --paper: #f3f0e8;
  --paper-deep: #e8e4da;
  --white: #fffdf8;
  --red: #d94b3d;
  --red-dark: #b93229;
  --mint: #57d1af;
  --teal: #123b38;
  --night: #071514;
  --line: rgba(16, 32, 31, .13);
  --line-light: rgba(255, 255, 255, .16);
  --mono: "SFMono-Regular", "Cascadia Mono", "Roboto Mono", ui-monospace, monospace;
  --sans: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--paper); color: var(--ink); font-family: var(--sans); margin: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
.section-shell { margin-inline: auto; width: min(1240px, calc(100% - 72px)); }

.site-header {
  align-items: center;
  backdrop-filter: blur(20px);
  background: rgba(243, 240, 232, .78);
  border-bottom: 1px solid transparent;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  height: 78px;
  left: 0;
  padding-inline: max(36px, calc((100vw - 1240px) / 2));
  position: fixed;
  right: 0;
  top: 0;
  transition: background .2s ease, border-color .2s ease;
  z-index: 30;
}
.site-header.scrolled { background: rgba(243, 240, 232, .95); border-color: var(--line); }
.brand { align-items: center; display: inline-flex; font-size: 15px; font-weight: 800; gap: 12px; letter-spacing: -.02em; width: max-content; }
.brand-icon { border-radius: 9px; height: 38px; object-fit: contain; width: 38px; }
.site-header nav { display: flex; font-size: 12px; font-weight: 650; gap: 34px; }
.site-header nav a { color: var(--muted); position: relative; transition: color .2s ease; }
.site-header nav a::after { background: var(--red); bottom: -10px; content: ""; height: 2px; left: 0; position: absolute; transform: scaleX(0); transform-origin: left; transition: transform .2s ease; width: 100%; }
.site-header nav a:hover, .site-header nav a.current { color: var(--ink); }
.site-header nav a:hover::after, .site-header nav a.current::after { transform: scaleX(1); }
.header-cta { background: var(--ink); border-radius: 999px; color: white; font-size: 11px; font-weight: 750; justify-self: end; padding: 11px 18px; }

.eyebrow { align-items: center; color: var(--red); display: flex; font-family: var(--mono); font-size: 10px; font-weight: 700; gap: 10px; letter-spacing: .12em; margin: 0 0 24px; text-transform: uppercase; }
.eyebrow > span { background: currentColor; border-radius: 50%; height: 7px; width: 7px; }
h1, h2 { letter-spacing: -.065em; line-height: 1.04; margin: 0; }
h1 em, h2 em { color: var(--red); font-style: normal; }
.button { align-items: center; border: 1px solid transparent; border-radius: 999px; display: inline-flex; font-size: 12px; font-weight: 750; gap: 26px; justify-content: space-between; padding: 14px 20px; transition: box-shadow .2s ease, transform .2s ease; }
.button:hover { box-shadow: 0 16px 32px rgba(5, 20, 18, .16); transform: translateY(-2px); }
.button-primary { background: var(--red); color: white; }
.button-ghost { border-color: var(--line); color: var(--ink); }
.button-light { background: var(--white); color: var(--ink); }

.hero { display: grid; gap: 70px; grid-template-columns: .84fr 1.16fr; min-height: 860px; padding-block: 170px 110px; }
.hero-copy { align-self: center; position: relative; z-index: 2; }
.hero-copy h1 { font-size: clamp(54px, 5.3vw, 78px); }
.hero-tagline { display: inline-block; font-size: clamp(34px, 3.7vw, 54px); white-space: nowrap; }
.hero-intro { color: var(--muted); font-size: 15px; line-height: 1.95; margin: 30px 0; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-meta { border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 18px; margin-top: 42px; padding-top: 20px; }
.hero-meta span { color: var(--muted); font-family: var(--mono); font-size: 9px; letter-spacing: .04em; }
.hero-art { align-self: center; min-height: 535px; position: relative; }
.hero-art::before { background: radial-gradient(circle, rgba(87, 209, 175, .2), transparent 68%); content: ""; inset: -110px -100px; pointer-events: none; position: absolute; }
.hero-orbit { border: 1px solid rgba(18, 59, 56, .13); border-radius: 50%; position: absolute; }
.hero-orbit-one { height: 500px; right: 0; top: 12px; width: 500px; }
.hero-orbit-two { height: 365px; right: 68px; top: 79px; width: 365px; }
.tv-frame { background: #07100f; border: 9px solid #172321; border-radius: 22px; box-shadow: 0 45px 80px rgba(7, 21, 20, .24); left: 0; padding: 8px; position: absolute; top: 84px; transform: perspective(1100px) rotateY(-7deg) rotateX(2deg); width: 100%; }
.tv-screen { background: white; border-radius: 10px; overflow: hidden; }
.tv-screen img { aspect-ratio: 16 / 9; height: 100%; object-fit: cover; width: 100%; }
.tv-stand { background: #172321; border-radius: 0 0 24px 24px; bottom: -42px; height: 34px; left: 42%; position: absolute; width: 16%; }
.floating-card { align-items: center; backdrop-filter: blur(12px); background: rgba(255, 253, 248, .91); border: 1px solid rgba(255, 255, 255, .85); border-radius: 14px; box-shadow: 0 18px 42px rgba(7, 21, 20, .14); display: flex; gap: 10px; padding: 13px 16px; position: absolute; z-index: 2; }
.floating-card b { color: var(--red); font-family: var(--mono); font-size: 20px; }
.floating-card span { color: var(--muted); font-size: 10px; font-weight: 700; }
.floating-card-left { bottom: 25px; left: -18px; }
.floating-card-right { right: -14px; top: 40px; }

.platform-strip { background: var(--night); color: white; }
.platform-strip-inner { align-items: center; display: flex; justify-content: space-between; min-height: 90px; }
.platform-strip p { color: rgba(255, 255, 255, .48); font-size: 11px; font-weight: 650; margin: 0; }
.platform-strip-inner div { display: flex; flex-wrap: wrap; gap: 9px; }
.platform-strip span { border: 1px solid var(--line-light); border-radius: 999px; color: rgba(255, 255, 255, .52); font-size: 10px; font-weight: 650; padding: 9px 14px; }
.platform-strip span.active { background: var(--mint); border-color: var(--mint); color: var(--night); }

.systems { padding-block: 140px 150px; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(260px, .7fr); }
.section-heading .eyebrow { grid-column: 1 / -1; }
.section-heading h2 { font-size: clamp(48px, 5.8vw, 76px); }
.section-heading > p:last-child { align-self: end; color: var(--muted); font-size: 13px; line-height: 1.9; margin: 0 0 4px 45px; max-width: 420px; }
.system-grid { display: grid; gap: 12px; grid-template-columns: repeat(4, 1fr); margin-top: 76px; }
.system-card { background: var(--white); border: 1px solid var(--line); border-radius: 14px; display: flex; flex-direction: column; min-height: 285px; overflow: hidden; padding: 24px; position: relative; }
.system-card::after { border: 1px solid var(--line); border-radius: 50%; content: ""; height: 190px; position: absolute; right: -72px; top: -74px; width: 190px; }
.system-card > span { color: var(--red); font-family: var(--mono); font-size: 10px; }
.system-card > div { margin: auto 0; }
.system-card p { color: var(--muted); font-family: var(--mono); font-size: 9px; letter-spacing: .1em; margin: 0 0 10px; text-transform: uppercase; }
.system-card h3 { font-size: 27px; letter-spacing: -.045em; margin: 0; }
.system-card small { border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; padding-top: 17px; }
.system-card:nth-child(2) { background: var(--red); border-color: var(--red); color: white; }
.system-card:nth-child(2) > span, .system-card:nth-child(2) p, .system-card:nth-child(2) small { color: rgba(255, 255, 255, .72); }
.system-card:nth-child(2) small { border-color: rgba(255, 255, 255, .22); }

.experience { align-items: center; display: grid; gap: 80px; grid-template-columns: 1.15fr .85fr; padding-bottom: 150px; }
.experience-visual { border-radius: 20px; box-shadow: 0 30px 65px rgba(7, 21, 20, .18); overflow: hidden; }
.experience-visual img { border-radius: 20px; width: 100%; }
.experience-copy h2 { font-size: clamp(39px, 4.5vw, 60px); }
.experience-copy ul { list-style: none; margin: 46px 0 0; padding: 0; }
.experience-copy li { border-top: 1px solid var(--line); display: grid; gap: 8px; padding: 21px 0; }
.experience-copy li b { font-size: 14px; }
.experience-copy li span { color: var(--muted); font-size: 12px; line-height: 1.8; }

.download { background: var(--red); border-radius: 22px; color: white; display: grid; gap: 80px; grid-template-columns: 1.05fr .95fr; margin-bottom: 140px; overflow: hidden; padding: 80px; position: relative; }
.download::before { border: 1px solid rgba(255, 255, 255, .16); border-radius: 50%; content: ""; height: 520px; left: -230px; position: absolute; top: -250px; width: 520px; }
.download .eyebrow { color: rgba(255, 255, 255, .7); }
.download h2 { font-size: clamp(47px, 5vw, 68px); }
/* Three download panels make the right column taller than the copy, which
   left a large empty block under the paragraph. Anchoring the specs to the
   bottom of the copy column balances the two sides again. */
.download-copy { display: flex; flex-direction: column; }
.download-copy > p:not(.eyebrow) { color: rgba(255, 255, 255, .74); font-size: 13px; line-height: 1.9; margin: 28px 0 36px; max-width: 530px; }
.download-notes { display: flex; flex-wrap: wrap; gap: 18px 24px; margin-top: auto; }
.download-notes span { font-size: 10px; }
.download-notes b { color: rgba(255, 255, 255, .54); font-weight: 600; margin-right: 5px; }
.download-panels { align-self: stretch; display: grid; gap: 12px; }
.download-panel { align-content: center; align-self: center; background: rgba(92, 15, 10, .28); border: 1px solid rgba(255, 255, 255, .18); border-radius: 18px; display: grid; gap: 18px; grid-template-columns: 70px 1fr; padding: 28px; position: relative; }
/* The Apple TV row is a placeholder, not a download, so it is a slim strip
   rather than a card the same size as the two real ones. That also keeps the
   panel stack from towering over the copy beside it. */
.download-panel-compact { align-items: center; background: rgba(92, 15, 10, .14); gap: 14px; grid-template-columns: 46px 1fr auto; padding: 16px 22px; }
/* The 16px radius .download-panel sets is scaled for a 70px tile; at 46px it
   eats the corners. Keep the same proportion. */
.download-panel-compact > img { border-radius: 10px; height: 46px; width: 46px; }
.download-panel-compact > div p { font-size: 14px; }
.download-panel.download-panel-compact .button { font-size: 10px; grid-column: auto; justify-self: end; padding: 10px 18px; }
.download-panel > img { border-radius: 16px; height: 70px; width: 70px; }
.download-panel > div { align-self: center; }
.download-panel > div p { font-size: 16px; font-weight: 780; margin: 0 0 5px; }
.download-panel > div small { color: rgba(255, 255, 255, .62); font-family: var(--mono); font-size: 9px; }
.download-panel .button { grid-column: 1 / -1; }
.button-disabled { background: rgba(255, 255, 255, .12); color: rgba(255, 255, 255, .68); cursor: default; }
.checksum { color: rgba(255, 255, 255, .55); font-family: var(--mono); font-size: 8px; grid-column: 1 / -1; margin: -5px 0 0; overflow-wrap: anywhere; }
.checksum a { color: white; display: inline-block; margin-top: 8px; text-decoration: underline; text-underline-offset: 3px; }

.install { border-top: 1px solid var(--line); display: grid; gap: 90px; grid-template-columns: .85fr 1.15fr; padding-block: 125px 150px; }
.install .section-heading { display: block; }
.install .section-heading h2 { font-size: clamp(43px, 5vw, 65px); }
.install-steps { list-style: none; margin: 0; padding: 0; }
.install-steps li { border-top: 1px solid var(--line); display: grid; gap: 24px; grid-template-columns: 38px 1fr; padding: 28px 0; }
.install-steps li:first-child { border-top: 0; padding-top: 0; }
.install-steps li > span { color: var(--red); font-family: var(--mono); font-size: 10px; padding-top: 5px; }
.install-steps h3 { font-size: 17px; margin: 0 0 8px; }
.install-steps p { color: var(--muted); font-size: 12px; line-height: 1.85; margin: 0; }

.server-callout { background: var(--night); border-radius: 22px; color: white; display: grid; gap: 80px; grid-template-columns: 1.2fr .8fr; margin-bottom: 24px; padding: 75px; }
.server-callout .eyebrow { color: var(--mint); }
.server-callout h2 { font-size: clamp(43px, 5vw, 65px); }
.server-callout > div:last-child { align-self: end; }
.server-callout > div:last-child p { color: rgba(255, 255, 255, .58); font-size: 13px; line-height: 1.9; margin: 0 0 30px; }
.privacy-callout { background: var(--white); border: 1px solid var(--line); border-radius: 22px; margin-bottom: 120px; padding: 75px; text-align: center; }
.privacy-callout .eyebrow { justify-content: center; }
.privacy-callout h2 { font-size: clamp(44px, 5vw, 66px); }
.privacy-callout > p:not(.eyebrow) { color: var(--muted); font-size: 13px; line-height: 1.9; margin: 28px auto; max-width: 610px; }
.privacy-callout > a { border-bottom: 1px solid var(--ink); display: inline-flex; font-size: 11px; font-weight: 750; gap: 28px; padding-bottom: 7px; }

/* Server page */
.server-hero { display: grid; gap: 70px; grid-template-columns: minmax(0, 1fr) 340px; padding-block: 165px 90px; }
.server-hero h1 { font-size: clamp(53px, 6.3vw, 86px); }
.server-hero h1 em { color: var(--red); font-style: normal; }
.server-hero-copy > p:not(.eyebrow) { color: var(--muted); font-size: 15px; line-height: 1.95; margin: 28px 0; max-width: 690px; }
.server-download-options { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 36px; }
.server-download-card { background: var(--white); border: 1px solid var(--line); border-radius: 14px; display: flex; flex-direction: column; min-height: 195px; padding: 24px; transition: box-shadow .2s ease, transform .2s ease; }
.server-download-card:hover { box-shadow: 0 18px 40px rgba(7, 21, 20, .13); transform: translateY(-2px); }
.server-download-card.featured { background: var(--night); border-color: var(--night); color: white; }
.server-download-card > span { color: var(--red); font-family: var(--mono); font-size: 9px; letter-spacing: .08em; margin-bottom: 12px; text-transform: uppercase; }
.server-download-card.featured > span { color: var(--mint); }
.server-download-card strong { font-size: 19px; }
.server-download-card small { color: var(--muted); font-size: 10px; margin-top: 7px; }
.server-download-card.featured small { color: rgba(255, 255, 255, .5); }
.server-download-card b { align-items: center; display: flex; font-size: 11px; justify-content: space-between; margin-top: auto; }
.server-download-card b i { font-style: normal; }
.server-requirements { align-self: end; border-left: 1px solid var(--line); display: flex; flex-direction: column; padding: 5px 0 5px 34px; }
.server-requirements > p { color: var(--red); font-family: var(--mono); font-size: 10px; letter-spacing: .12em; margin: 0 0 27px; text-transform: uppercase; }
.server-requirements strong { font-size: 14px; margin-bottom: 6px; }
.server-requirements span { color: var(--muted); font-size: 12px; line-height: 1.7; margin-bottom: 22px; }
.server-requirements span:last-child { margin-bottom: 0; }
.server-shot { margin-bottom: 130px; }
.server-shot img { border: 8px solid var(--night); border-radius: 18px; box-shadow: 0 35px 75px rgba(7, 21, 20, .18); width: 100%; }
.server-shot > p { color: var(--muted); font-family: var(--mono); font-size: 9px; letter-spacing: .08em; margin: 15px 4px 0; text-transform: uppercase; }
.server-guide { border-top: 1px solid var(--line); display: grid; gap: 90px; grid-template-columns: .85fr 1.15fr; padding-block: 120px 135px; }
.server-guide-title h2 { font-size: clamp(42px, 5vw, 66px); }
.server-steps { list-style: none; margin: 0; padding: 0; }
.server-steps li { border-top: 1px solid var(--line); display: grid; gap: 25px; grid-template-columns: 42px 1fr; padding: 27px 0; }
.server-steps li:first-child { border-top: 0; padding-top: 0; }
.server-steps li > span { color: var(--red); font-family: var(--mono); font-size: 10px; padding-top: 5px; }
.server-steps h3 { font-size: 17px; margin: 0 0 9px; }
.server-steps p { color: var(--muted); font-size: 13px; line-height: 1.85; margin: 0; }
.server-steps code, .server-notice code, .server-synology code { background: rgba(16, 32, 31, .07); border-radius: 4px; font-family: var(--mono); font-size: .88em; padding: 2px 5px; }
.server-synology { background: var(--white); border: 1px solid var(--line); border-radius: 18px; display: grid; gap: 70px; grid-template-columns: .9fr 1.6fr; margin-bottom: 24px; padding: 72px; }
.server-synology h2 { font-size: clamp(35px, 4vw, 54px); }
.server-synology ol { display: grid; grid-template-columns: repeat(2, 1fr); list-style: none; margin: 0; padding: 0; }
.server-synology li { border-left: 1px solid var(--line); padding: 12px 24px 28px; }
.server-synology li:nth-child(odd) { border-left: 0; }
.server-synology li:nth-child(n+3) { border-top: 1px solid var(--line); padding-top: 28px; }
.server-synology li > span { color: var(--red); font-family: var(--mono); font-size: 9px; }
.server-synology li p { color: var(--muted); font-size: 12px; line-height: 1.8; margin: 18px 0 0; }
.server-notice { align-items: start; background: var(--red); border-radius: 18px; color: white; display: grid; gap: 85px; grid-template-columns: 1fr 1fr; margin-bottom: 110px; padding: 80px; }
.server-notice .eyebrow { color: rgba(255, 255, 255, .7); }
.server-notice h2 { font-size: clamp(40px, 4.8vw, 63px); }
.server-notice > div:last-child p { color: rgba(255, 255, 255, .72); font-size: 13px; line-height: 2; margin: 0 0 20px; }
.server-notice code { background: rgba(255, 255, 255, .13); color: white; }

/* Policy */
.policy { max-width: 850px; padding-block: 150px 110px; }
.policy h1 { font-size: clamp(48px, 6vw, 78px); margin-bottom: 18px; }
.policy .effective { color: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: .08em; margin-bottom: 55px; text-transform: uppercase; }
.policy h2 { border-top: 1px solid var(--line); font-size: 24px; letter-spacing: -.04em; margin-top: 48px; padding-top: 35px; }
.policy p, .policy li { color: var(--muted); font-size: 14px; line-height: 1.95; }
.policy a { color: var(--red); text-decoration: underline; text-underline-offset: 3px; }
.policy .language-break { border-top: 3px solid var(--red); margin-top: 90px; padding-top: 70px; }

.site-footer { align-items: center; border-top: 1px solid var(--line); display: grid; gap: 35px; grid-template-columns: auto 1fr auto; padding-block: 38px 52px; }
.site-footer > p { color: var(--muted); font-size: 10px; line-height: 1.7; margin: 0 auto; max-width: 520px; text-align: center; }
.site-footer > div { align-items: end; display: flex; flex-direction: column; font-family: var(--mono); font-size: 9px; gap: 6px; }
.site-footer > div a { text-decoration: underline; text-underline-offset: 3px; }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero { gap: 35px; grid-template-columns: 1fr; min-height: auto; padding-top: 145px; }
  .hero-copy { max-width: 680px; }
  .hero-art { min-height: 560px; }
  .section-heading { display: block; }
  .section-heading > p:last-child { margin: 28px 0 0; }
  .system-grid { grid-template-columns: repeat(2, 1fr); }
  .experience { grid-template-columns: 1fr; }
  .download { gap: 45px; grid-template-columns: 1fr; }
  .install, .server-guide { grid-template-columns: 1fr; }
  .server-callout { grid-template-columns: 1fr; }
  .server-hero { grid-template-columns: 1fr; }
  .server-requirements { max-width: 650px; }
}

@media (max-width: 680px) {
  .section-shell { width: min(100% - 36px, 1240px); }
  .site-header { height: 68px; padding-inline: 18px; }
  .brand { font-size: 13px; }
  .brand-icon { height: 34px; width: 34px; }
  .header-cta { font-size: 10px; padding: 10px 14px; }
  .hero { padding-block: 120px 80px; }
  .hero-copy h1 { font-size: clamp(45px, 13vw, 64px); }
  .hero-intro { font-size: 14px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-art { min-height: 320px; }
  .tv-frame { border-width: 5px; border-radius: 12px; padding: 4px; top: 55px; transform: none; }
  .tv-screen { border-radius: 6px; }
  .hero-orbit-one { height: 290px; width: 290px; }
  .hero-orbit-two { height: 210px; right: 38px; top: 50px; width: 210px; }
  .floating-card { padding: 9px 11px; }
  .floating-card b { font-size: 16px; }
  .floating-card-left { bottom: 15px; left: -5px; }
  .floating-card-right { right: -5px; top: 22px; }
  .platform-strip-inner { align-items: flex-start; flex-direction: column; gap: 18px; padding-block: 23px; }
  .platform-strip-inner div { gap: 6px; }
  .platform-strip span { padding: 7px 10px; }
  .systems { padding-block: 95px; }
  .section-heading h2 { font-size: 44px; }
  .system-grid { grid-template-columns: 1fr; margin-top: 48px; }
  .system-card { min-height: 235px; }
  .experience { gap: 48px; padding-bottom: 95px; }
  .experience-copy h2 { font-size: 40px; }
  .download { border-radius: 14px; margin-bottom: 95px; padding: 48px 24px; }
  .download h2 { font-size: 43px; }
  .download-panel { grid-template-columns: 56px 1fr; padding: 20px; }
  .download-panel > img { height: 56px; width: 56px; }
  .install { gap: 52px; padding-block: 90px; }
  .server-callout, .privacy-callout { border-radius: 14px; padding: 48px 24px; }
  .server-callout h2, .privacy-callout h2 { font-size: 40px; }
  .privacy-callout { margin-bottom: 90px; }
  .server-hero { padding-block: 125px 65px; }
  .server-hero h1 { font-size: 48px; }
  .server-download-options { grid-template-columns: 1fr; }
  .server-requirements { padding-left: 24px; }
  .server-shot { margin-bottom: 90px; }
  .server-shot img { border-width: 4px; border-radius: 11px; }
  .server-guide { gap: 55px; padding-block: 90px; }
  .server-synology { gap: 45px; grid-template-columns: 1fr; padding: 48px 24px; }
  .server-synology ol { grid-template-columns: 1fr; }
  .server-synology li, .server-synology li:nth-child(odd), .server-synology li:nth-child(n+3) { border-left: 0; border-top: 1px solid var(--line); padding: 24px 0; }
  .server-synology li:first-child { border-top: 0; padding-top: 0; }
  .server-notice { gap: 48px; grid-template-columns: 1fr; padding: 50px 24px; }
  .site-footer { grid-template-columns: 1fr; text-align: center; }
  .site-footer .brand { margin-inline: auto; }
  .site-footer > div { align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}