@font-face { font-family: 'Bricolage Grotesque'; font-style: normal; font-weight: 200 800; font-display: swap;
  src: url('../assets/fonts/bricolage-grotesque-var-latin.woff2') format('woff2'); }
@font-face { font-family: 'Bricolage Grotesque'; font-style: normal; font-weight: 200 800; font-display: swap;
  src: url('../assets/fonts/bricolage-grotesque-var-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+20A0-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Instrument Sans'; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url('../assets/fonts/instrument-sans-var-latin.woff2') format('woff2'); }
@font-face { font-family: 'Instrument Sans'; font-style: normal; font-weight: 400 700; font-display: swap;
  src: url('../assets/fonts/instrument-sans-var-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+20A0-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('../assets/fonts/ibm-plex-mono-400-latin.woff2') format('woff2'); }

/* Wordmark trial faces (all SIL OFL, from Fontsource, vendored under assets/fonts). */
@font-face { font-family: 'Mark Geist'; font-weight: 300; font-display: swap; src: url('../assets/fonts/mark-geist-300.woff2') format('woff2'); }
@font-face { font-family: 'Mark Sora'; font-weight: 300; font-display: swap; src: url('../assets/fonts/mark-sora-300.woff2') format('woff2'); }
@font-face { font-family: 'Mark Unbounded'; font-weight: 300; font-display: swap; src: url('../assets/fonts/mark-unbounded-300.woff2') format('woff2'); }
@font-face { font-family: 'Mark Outfit'; font-weight: 200; font-display: swap; src: url('../assets/fonts/mark-outfit-200.woff2') format('woff2'); }
@font-face { font-family: 'Mark Manrope'; font-weight: 300; font-display: swap; src: url('../assets/fonts/mark-manrope-300.woff2') format('woff2'); }
@font-face { font-family: 'Mark Syne'; font-weight: 500; font-display: swap; src: url('../assets/fonts/mark-syne-500.woff2') format('woff2'); }
@font-face { font-family: 'Mark Instrument Serif'; font-weight: 400; font-display: swap; src: url('../assets/fonts/mark-instrument-serif-400.woff2') format('woff2'); }

:root {
  color-scheme: dark;
  --mark-family: 'Mark Geist';
  --mark-weight: 300;
  --mark-track: -.045em;
  --void: #020304;
  --panel: rgba(12, 15, 20, .72);
  --ink: #f3efe8;
  --ink-2: #b9bcc2;
  --ink-3: #8b8f97;
  --line: rgba(243, 239, 232, .12);
  --line-strong: rgba(243, 239, 232, .28);
  --blue: #2f7fdd;
  --teal: #219fa6;
  --green: #1cb083;
  --silver: #c7c5c0;
  --accent: #6fb6ff;
  --display: 'Bricolage Grotesque', 'Helvetica Neue', Arial, sans-serif;
  --ui: 'Instrument Sans', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --gutter: clamp(20px, 5vw, 72px);
  --ease: cubic-bezier(.2, .8, .2, 1);
}

* { box-sizing: border-box; }
html { background: var(--void); scroll-behavior: auto; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--void); color: var(--ink); font: 400 17px/1.6 var(--ui); overflow-x: hidden; }
/* `hidden` wins over a class that sets display (.panel-sm, .shot, .page-grid): without this, /how-it-works showed an
   empty video player and four broken images, and /devices two empty lists, all marked hidden until configured. */
[hidden] { display: none !important; }
a { color: inherit; }
#gl { position: fixed; inset: 0; width: 100vw; height: 100vh; display: block; z-index: 0; }
.no-webgl #gl { display: none; }
main, .footer, .nav { position: relative; z-index: 1; }

.eyebrow { font: 400 11px/1.4 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 18px; }

/* ---- nav ---------------------------------------------------------------------------------- */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 5; display: flex; align-items: center; gap: 28px;
  padding: 18px var(--gutter); pointer-events: none; }
.nav > * { pointer-events: auto; }
.nav-mark { font: var(--mark-weight) 26px/1 var(--mark-family), var(--display); letter-spacing: var(--mark-track); text-decoration: none; opacity: 0; transition: opacity .2s linear; margin-right: auto; }
.nav-links { display: flex; gap: 26px; }
.nav-links a, .look button, .look-label { font: 400 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; text-decoration: none; color: var(--ink-2); }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--ink); }
.nav-cta { color: var(--ink) !important; }
.look { display: flex; align-items: center; gap: 2px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: rgba(2, 3, 4, .55); }
.look-label { padding: 0 8px 0 10px; color: var(--ink-3); }
.look button { min-height: 32px; padding: 0 12px; border: 0; border-radius: 999px; background: transparent; cursor: pointer; }
.look button[aria-pressed="true"] { background: var(--ink); color: #07080a; }
/* Phones and tablets (html.is-handheld, set in index.html): "Send it to my PC" leads, the Windows button steps back. */
:root:not(.is-handheld) .handheld-only { display: none; }
html.is-handheld .btn-win:not(.ss-continue) { background: transparent; border-color: var(--line-strong); color: var(--ink-2); }
html.is-handheld .btn-win:not(.ss-continue)::before { content: none; }
html.is-handheld .btn-win:not(.ss-continue) .btn-icon { color: var(--ink-3); }
.send-options { display: grid; gap: 10px; margin: 18px 0 12px; }
.send-options .btn { width: 100%; }
.send-options [hidden] { display: none; }
.send-dialog { width: min(460px, calc(100vw - 32px)); }
/* The proof clip (index.html #proof): a circle inside the ring's hole, placed from the ring's live position (main.js). */
.proof { position: absolute; left: var(--ring-x, 50%); top: var(--ring-y, 50%); width: calc(var(--ring-r, 120px) * 1.3); aspect-ratio: 1;
  translate: -50% -50%; margin: 0; border-radius: 50%; overflow: hidden; pointer-events: none; background: var(--void); }
.proof video { display: block; width: 100%; height: 100%; object-fit: cover; }
/* Language switch (index.html ↔ tr/index.html): stays in the nav at every width, unlike .nav-links. */
.nav-lang { flex: none; display: inline-flex; align-items: center; min-height: 32px; padding: 0 4px; font: 400 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; text-decoration: none; color: var(--ink-2); }
.nav-lang:hover { color: var(--ink); }
.nav-lang:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
/* Design-lab controls (look + wordmark typeface): only with ?lab=1, which sets html[data-lab]. */
:root:not([data-lab]) .look, :root:not([data-lab]) .type-pick { display: none; }
.look button:focus-visible, .btn:focus-visible, .stage button:focus-visible, .nav a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---- story -------------------------------------------------------------------------------- */
.story { height: 620vh; position: relative; }
.sticky { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }

.hero { position: absolute; left: var(--gutter); right: var(--gutter); bottom: clamp(56px, 11vh, 120px); }
.mark { margin: 0 0 clamp(10px, 2vh, 22px) -.04em; font: var(--mark-weight) clamp(96px, 19.5vw, 340px)/.86 var(--mark-family), var(--display); letter-spacing: var(--mark-track);
  transform-origin: 0 0; will-change: transform; display: inline-block; white-space: nowrap;
  }
.mark span { display: inline-block; animation: rise 1.1s var(--ease) both; }
.mark span:nth-child(2) { animation-delay: .05s; } .mark span:nth-child(3) { animation-delay: .1s; }
.mark span:nth-child(4) { animation-delay: .15s; } .mark span:nth-child(5) { animation-delay: .2s; }
.mark span:nth-child(6) { animation-delay: .25s; } .mark span:nth-child(7) { animation-delay: .3s; }
.mark span:nth-child(8) { animation-delay: .35s; }
@keyframes rise { from { opacity: 0; transform: translateY(.18em); filter: blur(6px); } to { opacity: 1; transform: none; filter: none; } }
.hero-line { margin: 0 0 28px; font: 400 clamp(20px, 2.1vw, 30px)/1.3 var(--display); letter-spacing: -.01em; color: var(--ink-2); max-width: 32ch; }
.hero-line em { font-style: normal; color: var(--ink); }
.hero .eyebrow { margin-bottom: 8px; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; min-height: 46px; padding: 0 18px;
  border: 1px solid var(--line-strong); border-radius: 4px; color: var(--ink); text-decoration: none;
  font: 400 12px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; background: rgba(2, 3, 4, .45);
  transition: background-color .14s linear, color .14s linear, border-color .14s linear; }
.btn:hover { border-color: var(--ink); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: #07080a; border-color: var(--ink); }
.btn-primary:hover { background: #fff; }

.caption { position: absolute; left: var(--gutter); bottom: clamp(40px, 8vh, 90px); max-width: min(560px, 80vw); visibility: hidden; opacity: 0; will-change: opacity, transform; }
.caption h2 { margin: 0 0 10px; font: 300 clamp(30px, 3.6vw, 56px)/1.04 var(--display); letter-spacing: -.035em; }
.caption p:not(.eyebrow) { margin: 0; color: var(--ink-2); font-size: clamp(15px, 1.2vw, 18px); }
.caption-center { left: 50%; bottom: auto; top: 50%; max-width: none; width: min(92vw, 1100px); text-align: center; translate: -50% -50%; }
.caption-center h2 { font-size: clamp(38px, 6vw, 96px); }
.hero { opacity: 1; }

.lockup { position: absolute; inset: 0; visibility: hidden; opacity: 0; pointer-events: none; }
.lockup > * { pointer-events: auto; }
.lockup-mark { position: absolute; left: calc(var(--ring-x) + var(--ring-r) * 1.35); top: var(--ring-y); translate: 0 -66%; margin: 0;
  font: var(--mark-weight) var(--lock-font)/.9 var(--mark-family), var(--display); letter-spacing: var(--mark-track); white-space: nowrap; }
.lockup-line { position: absolute; left: calc(var(--ring-x) + var(--ring-r) * 1.42); top: calc(var(--ring-y) + var(--lock-font) * .42); margin: 0;
  color: var(--ink-2); font: 400 clamp(17px, 1.5vw, 22px)/1.3 var(--display); }
.lockup .actions { position: absolute; left: calc(var(--ring-x) + var(--ring-r) * 1.42); top: calc(var(--ring-y) + var(--lock-font) * .42 + 52px); }

.stage { position: absolute; right: var(--gutter); bottom: clamp(40px, 8vh, 90px); display: flex; gap: 6px; margin: 0; padding: 0; list-style: none; }
.stage button { width: 26px; height: 32px; border: 0; background: transparent; cursor: pointer; position: relative; padding: 0; }
.stage button::after { content: ''; position: absolute; left: 4px; right: 4px; top: 50%; height: 1px; background: var(--line-strong); transition: background-color .2s linear, left .3s var(--ease), right .3s var(--ease); }
.stage button[aria-current="step"]::after { background: var(--ink); left: 0; right: 0; height: 2px; }

/* ---- content sections --------------------------------------------------------------------- */
.section { max-width: 1320px; margin: 0 auto; padding: clamp(96px, 14vw, 180px) var(--gutter) 0; }
.section h2 { margin: 0 0 clamp(36px, 5vw, 64px); font: 300 clamp(40px, 5vw, 76px)/1.02 var(--display); letter-spacing: -.04em; max-width: 18ch; }
.uses .use { display: grid; grid-template-columns: 80px minmax(0, 1fr); column-gap: 24px; max-width: 760px; padding: 36px 0; border-top: 1px solid var(--line); }
.uses .use-right { margin-left: auto; }
.use-n { grid-row: span 3; font: 400 12px/2.4 var(--mono); color: var(--ink-3); letter-spacing: .12em; }
.use h3 { margin: 0 0 10px; font: 300 clamp(28px, 3vw, 44px)/1.08 var(--display); letter-spacing: -.03em; }
.use p { margin: 0; color: var(--ink-2); max-width: 54ch; }
.chips { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 18px !important; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; font: 400 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.chip::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.chip-pc::before { background: #3987e5; } .chip-phone::before { background: #d95926; }
.plus { color: var(--ink-3); font-family: var(--mono); }

.step-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(24px, 5vw, 80px); }
.step-list li { display: grid; grid-template-columns: 64px 1fr; padding: 28px 0 32px; border-top: 1px solid var(--line); }
.step-list span { grid-row: span 2; font: 400 12px/2.2 var(--mono); color: var(--ink-3); letter-spacing: .12em; }
.step-list h3 { margin: 0 0 6px; font: 400 clamp(22px, 2vw, 28px)/1.2 var(--display); letter-spacing: -.02em; }
.step-list p { margin: 0; color: var(--ink-2); }

.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.card { padding: clamp(24px, 3vw, 40px); border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.card .req { margin: 0 0 24px; font: 300 clamp(22px, 2vw, 30px)/1.2 var(--display); letter-spacing: -.02em; }
.card .note { margin: 16px 0 0; color: var(--ink-3); font-size: 14px; }

.limits ul { list-style: none; margin: 0; padding: 0; max-width: 820px; }
.limits li { padding: 22px 0; border-top: 1px solid var(--line); font: 300 clamp(20px, 1.9vw, 28px)/1.3 var(--display); letter-spacing: -.015em; color: var(--ink-2); }

.footer { margin-top: clamp(120px, 16vw, 220px); padding: 0 var(--gutter) 24px; border-top: 1px solid var(--line); overflow: hidden; }
.footer-line { margin: 32px 0 18px; color: var(--ink-2); }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 26px; }
.footer-links a { font: 400 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); text-decoration: none; }
.footer-links a:hover { color: var(--ink); }
.footer-mark { margin: clamp(40px, 6vw, 80px) 0 0 -.05em; font: var(--mark-weight) clamp(72px, 21vw, 400px)/.8 var(--mark-family), var(--display); letter-spacing: var(--mark-track); color: rgba(243, 239, 232, .9); white-space: nowrap; }

#hud { position: fixed; left: 12px; bottom: 10px; z-index: 9; font: 400 11px/1.4 var(--mono); color: #9fb3c8; background: rgba(0, 0, 0, .6); padding: 6px 8px; border-radius: 4px; }

/* ---- small screens ------------------------------------------------------------------------ */
@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav { gap: 12px; padding: 14px var(--gutter); }
  .nav-links { display: none; }
  .look-label { display: none; }
  .look button { padding: 0 10px; min-height: 30px; }
  .hero { bottom: 40px; }
  .mark { font-size: 25vw; }
  .actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .caption { bottom: 72px; max-width: none; right: var(--gutter); }
  .stage { left: var(--gutter); right: auto; bottom: 26px; }
  .lockup-mark { left: 50%; top: calc(var(--ring-y) - var(--ring-r) - 18vw); translate: -50% 0; font-size: 22vw; }
  .lockup-line { left: var(--gutter); right: var(--gutter); top: calc(var(--ring-y) + var(--ring-r) + 28px); text-align: center; }
  .lockup .actions { left: var(--gutter); right: var(--gutter); top: calc(var(--ring-y) + var(--ring-r) + 70px); }
  .uses .use, .uses .use-right { grid-template-columns: 1fr; margin-left: 0; }
  .use-n { grid-row: auto; }
  .step-list, .cards { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .mark span { animation: none; }
}

/* ---- trial controls + drag ---------------------------------------------------------------- */
.type-pick { display: flex; align-items: center; gap: 8px; font: 400 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.type-pick select { min-height: 32px; padding: 0 10px; border: 1px solid var(--line); border-radius: 999px; background: rgba(2, 3, 4, .6); color: var(--ink); font: inherit; letter-spacing: .08em; }
.type-pick select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
body.can-drag .sticky { cursor: grab; }
body.dragging, body.dragging * { cursor: grabbing !important; user-select: none; }
.inspect main, .inspect .footer { visibility: hidden; }
@media (max-width: 760px) {
  .nav { flex-wrap: wrap; row-gap: 8px; }
  .look { order: 3; width: 100%; overflow-x: auto; scrollbar-width: none; }
  .look::-webkit-scrollbar { display: none; }
  .look button { padding: 0 9px; flex: none; }
  .type-pick span { display: none; }
  .type-pick select { max-width: 120px; }
  .mark { font-size: min(21vw, 25vw) !important; }
}

/* ---- captions, round 3: a readable column with its own quiet ground --------------------------- */
.caption { left: var(--gutter); right: auto; top: 50%; bottom: auto; translate: 0 -50%; width: min(400px, 25vw); max-width: none; padding: 8px 0; }
.caption::before { content: ''; position: absolute; inset: -90px -140px -90px -160px; z-index: -1; pointer-events: none;
  background: radial-gradient(closest-side, rgba(2, 3, 4, .86), rgba(2, 3, 4, .62) 52%, rgba(2, 3, 4, 0)); }
.caption h2 { font: 300 clamp(32px, 3vw, 50px)/1.06 var(--display); letter-spacing: -.03em; margin-bottom: 14px; }
.caption p:not(.eyebrow) { font-size: clamp(16px, 1.2vw, 19px); line-height: 1.55; color: #c9ccd2; }
.caption .eyebrow { color: #9aa0a8; margin-bottom: 14px; }
@media (max-width: 760px) {
  .caption { top: 128px; translate: none; width: auto; right: var(--gutter); }
  .caption::before { inset: -50px -40px -60px; }
  .caption h2 { font-size: 30px; }
}

/* ---- story cards (interactive tilt, travelling ring-colour lines) ------------------------------- */
@property --line-a { syntax: '<angle>'; inherits: false; initial-value: 0deg; }
@keyframes line-spin { to { --line-a: 360deg; } }
.story-card { width: min(360px, 25vw); padding: 0; perspective: 1000px; }
.story-card::before { content: ''; position: absolute; inset: -12px; border-radius: 26px; padding: 1px; z-index: 0; pointer-events: none;
  background: conic-gradient(from var(--line-a), transparent 0 62%, rgba(47,127,221,.0) 64%, #2f7fdd 74%, #1cb083 82%, rgba(199,197,192,.9) 88%, transparent 96%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: .55; animation: line-spin 9s linear infinite; }
.story-card::after { content: ''; position: absolute; inset: -24px; border-radius: 34px; padding: 1px; z-index: 0; pointer-events: none;
  background: conic-gradient(from calc(180deg - var(--line-a)), transparent 0 70%, #6b95d2 80%, #219fa6 88%, transparent 97%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: .32; animation: line-spin 14s linear infinite reverse; }
.card-tilt { position: relative; z-index: 1; overflow: hidden; border-radius: 16px; border: 1px solid rgba(243, 239, 232, .09);
  background: rgba(10, 12, 16, .86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .9), 0 0 0 1px rgba(0, 0, 0, .4);
  padding: 16px 16px 14px; display: flex; flex-direction: column; gap: 14px;
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) scale(var(--s, 1));
  transition: transform .35s cubic-bezier(.23, 1, .32, 1); will-change: transform; touch-action: manipulation; }
.card-tilt::before { content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none; z-index: 3;
  background: conic-gradient(from var(--line-a), transparent 0 70%, #2f7fdd 80%, #1cb083 88%, transparent 96%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  animation: line-spin 6s linear infinite; }
.card-sheen { position: absolute; inset: 0; z-index: 2; pointer-events: none; opacity: 0; transition: opacity .3s ease; mix-blend-mode: screen;
  background: radial-gradient(circle 220px at var(--px, 50%) var(--py, 50%), rgba(111, 182, 255, .16), rgba(28, 176, 131, .06) 45%, transparent 75%); }
.card-tilt.is-active .card-sheen { opacity: 1; }
.card-media { position: relative; height: 150px; border-radius: 11px; overflow: hidden; display: flex; align-items: flex-end; padding: 10px;
  background: radial-gradient(120% 90% at 20% 0%, #0f2a45 0%, #08131d 55%, #05080b 100%); }
.card-ring { position: absolute; right: -30px; top: 50%; width: 180px; height: 180px; translate: 0 -50%; border-radius: 50%;
  background: conic-gradient(from var(--line-a), #2F7FDD, #2A8FCB, #219FA6, #1CB083, #45B393, #8FBCAE, #C3C6C1, #CFCBC2, #C7C5C0, #ADB8C6, #6B95D2, #2F7FDD);
  -webkit-mask: radial-gradient(closest-side, transparent 72%, #000 73.5%, #000 98%, transparent 100%); mask: radial-gradient(closest-side, transparent 72%, #000 73.5%, #000 98%, transparent 100%);
  animation: line-spin 18s linear infinite; opacity: .9; }
.card-media.has-media .card-ring { display: none; }
.card-slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .9s ease; }
.card-slide.is-on { opacity: 1; }
.card-chip { position: relative; z-index: 1; font: 400 10px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: rgba(243, 239, 232, .92);
  background: rgba(0, 0, 0, .45); padding: 6px 9px; border-radius: 6px; backdrop-filter: blur(6px); }
.card-body h2 { margin: 0 0 8px; font: 300 clamp(26px, 2.2vw, 36px)/1.08 var(--display); letter-spacing: -.025em; color: var(--ink); }
.card-body p { margin: 0; font-size: 15px; line-height: 1.5; color: #b7bbc2; }
.card-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding-top: 10px; border-top: 1px solid rgba(243, 239, 232, .08);
  font: 400 10.5px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: #8a9099; }
.card-hint { color: #6fb6ff; }
.story-card .eyebrow { display: none; }
.story-card::before, .story-card::after { display: block; }
.caption.story-card::before { background-color: transparent; }
@media (max-width: 760px) {
  .story-card { width: auto; }
  .story-card::after { display: none; }
  .story-card::before { inset: -7px; border-radius: 22px; }
  .card-tilt { padding: 12px 14px; gap: 8px; }
  .card-media, .card-foot { display: none; }
  .card-body h2 { font-size: 24px; }
  .card-body p { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .story-card::before, .story-card::after, .card-tilt::before, .card-ring { animation: none; }
}

/* ---- why it's free -------------------------------------------------------------------------------- */
.free-lead { margin: -24px 0 clamp(40px, 5vw, 64px); max-width: 60ch; color: var(--ink-2); font-size: clamp(17px, 1.4vw, 20px); line-height: 1.55; }
.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(28px, 4vw, 56px); max-width: 980px; padding: 24px; }
.plans .story-card { position: relative; width: auto; visibility: visible; opacity: 1; }
.plans .card-tilt { padding: 18px 18px 16px; }
.plans .card-media { height: 120px; }
.plans h3 { margin: 0 0 12px; font: 300 clamp(30px, 2.6vw, 42px)/1 var(--display); letter-spacing: -.03em; color: var(--ink); }
.plan-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.plan-list li { position: relative; padding-left: 18px; color: #c3c7cd; font-size: 15px; line-height: 1.45; }
.plan-list li::before { content: ''; position: absolute; left: 0; top: .6em; width: 7px; height: 7px; border-radius: 50%; background: #1cb083; }
.plan-later .plan-list li::before { background: transparent; border: 1px solid #6b95d2; }
.plan-later .card-tilt { background: rgba(10, 12, 16, .7); }
.plans a.card-hint { text-decoration: none; }
@media (max-width: 760px) {
  .plans { grid-template-columns: 1fr; padding: 12px; }
  .plans .card-media, .plans .card-foot { display: flex; }
  .plans .card-media { height: 90px; }
}

/* ==== round 5: pure black, crisp text, smaller tilting wordmark, logo buttons, cards everywhere ==== */
:root { --void: #000000; }
html, body { background: #000; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }
/* Text must never be rasterised onto a scaled GPU layer — that is what made it look pixelated. */
.mark, .caption, .card-tilt { will-change: auto !important; }

.hero { bottom: clamp(48px, 9vh, 110px); }
.mark-tilt { display: inline-block; transform-style: preserve-3d; transition: transform .6s cubic-bezier(.23, 1, .32, 1); }
.mark { font-size: clamp(64px, min(14.5vw, 23vh), 240px) !important; margin-bottom: clamp(8px, 1.6vh, 18px); }
.hero-line { max-width: 38ch; margin-bottom: 26px; }

/* Buttons: pill, logo + label, a travelling ring-colour edge on the primary. */
.btn { position: relative; isolation: isolate; gap: 12px; justify-content: flex-start; min-height: 52px; padding: 0 22px 0 18px; border-radius: 14px;
  font: 500 14px/1 var(--ui); letter-spacing: 0; text-transform: none; transition: transform .2s cubic-bezier(.23, 1, .32, 1), background-color .2s, color .2s, border-color .2s; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn-icon { width: 18px; height: 18px; flex: none; }
.btn-primary { background: #f3efe8; color: #050607; border: 1px solid transparent; }
.btn-primary::before { content: ''; position: absolute; inset: -2px; border-radius: 16px; padding: 1.5px; z-index: -1; pointer-events: none;
  background: conic-gradient(from var(--line-a), #2f7fdd, #219fa6, #1cb083, #c7c5c0, #6b95d2, #2f7fdd);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  animation: line-spin 4s linear infinite; opacity: .9; }
.btn-primary:hover { background: #fff; }
.btn-ghost { background: rgba(255, 255, 255, .06); color: var(--ink); border: 1px solid rgba(243, 239, 232, .18); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); border-color: rgba(243, 239, 232, .4); }
.btn-wide { width: 100%; justify-content: center; }

/* Story cards: centred by flex (no half-pixel translate), lines live on a frame that hugs the card. */
.caption.story-card { top: 0; bottom: 0; translate: none; display: flex; align-items: center; padding: 0; }
.caption.story-card::before, .caption.story-card::after, .story-card::before, .story-card::after { content: none; display: none; }
.card-frame { position: relative; width: 100%; perspective: 1000px; }
.card-frame::before { content: ''; position: absolute; inset: -10px; border-radius: 24px; padding: 1px; pointer-events: none;
  background: conic-gradient(from var(--line-a), transparent 0 62%, #2f7fdd 74%, #1cb083 82%, rgba(199, 197, 192, .9) 88%, transparent 96%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: .55; animation: line-spin 9s linear infinite; }
.card-frame::after { content: ''; position: absolute; inset: -20px; border-radius: 32px; padding: 1px; pointer-events: none;
  background: conic-gradient(from calc(180deg - var(--line-a)), transparent 0 70%, #6b95d2 80%, #219fa6 88%, transparent 97%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: .3; animation: line-spin 14s linear infinite reverse; }
.card-body h2 { font-size: clamp(26px, 2.1vw, 34px); }
.card-body h3 { margin: 0 0 8px; font: 400 clamp(22px, 1.8vw, 28px)/1.12 var(--display); letter-spacing: -.02em; color: var(--ink); }
.card-body p { font-size: 15.5px; color: #c4c8ce; }
.card-foot { display: none !important; }

/* Grids of cards (uses, download). */
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(32px, 3.4vw, 52px); padding: 20px; }
.card-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 980px; }
.card-grid .story-card, .plans .story-card { position: relative; width: auto; visibility: visible; opacity: 1; }
.uses h2 { margin-bottom: clamp(28px, 4vw, 48px); }
.pair-media { align-items: center; justify-content: center; gap: 12px; padding: 14px; height: 120px; }
.pair { display: inline-flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 10px; background: rgba(0, 0, 0, .45);
  border: 1px solid rgba(243, 239, 232, .1); font: 500 13px/1 var(--ui); color: var(--ink); }
.pair svg { width: 18px; height: 18px; }
.pair-pc svg { color: #6fb6ff; } .pair-phone svg { color: #4fd6a6; }
.pair-plus { color: #8a9099; font: 400 16px/1 var(--mono); }

.dl-card .card-tilt { gap: 18px; padding: 22px; }
.dl-head { display: flex; align-items: center; gap: 14px; }
.dl-head h3 { margin: 0 0 4px; font: 400 28px/1 var(--display); letter-spacing: -.02em; color: var(--ink); }
.dl-head p { margin: 0; color: #aeb3ba; font-size: 14px; }
.dl-logo { width: 42px; height: 42px; color: #6fb6ff; flex: none; }
.dl-logo-android { color: #4fd6a6; }
.dl-note { margin: 0; color: #8e949c; font-size: 13.5px; line-height: 1.5; }
.footer-line { display: none; }

@media (max-width: 960px) { .card-grid { grid-template-columns: 1fr; } }
@media (max-width: 760px) {
  .mark { font-size: 17vw !important; }
  .btn { width: 100%; }
  .caption.story-card { top: 118px; bottom: auto; display: block; }
  .card-frame::after { display: none; }
  .card-frame::before { inset: -6px; border-radius: 20px; }
  .card-grid, .card-grid-2 { grid-template-columns: 1fr; padding: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .card-frame::before, .card-frame::after, .btn-primary::before { animation: none; }
}

/* Nav must fit at laptop widths: drop the text links first, then the "Look/Type" labels. */
@media (max-width: 1240px) { .nav-links { display: none; } }
@media (max-width: 1080px) { .look-label, .type-pick span { display: none; } .look button { padding: 0 9px; } .nav { gap: 12px; } }

/* ==== round 6: platform-coloured buttons and glows, section clusters, the live app panel ==== */
.eyebrow, .card-chip { display: none !important; }

/* Black buttons; the edge line travels in the platform's colour. */
.btn-win, .btn-droid { background: #06080b; color: #f3efe8; border: 1px solid rgba(255, 255, 255, .08); }
.btn-win:hover, .btn-droid:hover { background: #0b0f14; }
.btn-win::before, .btn-droid::before { content: ''; position: absolute; inset: -1.5px; border-radius: 15.5px; padding: 1.5px; z-index: -1; pointer-events: none;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  animation: line-spin 3.2s linear infinite; }
.btn-win::before { background: conic-gradient(from var(--line-a), transparent 0 40%, #0b5cad 55%, #3b9cff 72%, #9ad0ff 80%, transparent 92%); }
.btn-droid::before { background: conic-gradient(from var(--line-a), transparent 0 40%, #13824a 55%, #3ddc84 72%, #b6f5cf 80%, transparent 92%); }
.btn-win .btn-icon { color: #3b9cff; }
.btn-droid .btn-icon { color: #3ddc84; }

.glow-win .card-frame::before { background: conic-gradient(from var(--line-a), transparent 0 60%, #0b5cad 72%, #3b9cff 84%, #9ad0ff 90%, transparent 97%); }
.glow-win .card-frame::after { background: conic-gradient(from calc(180deg - var(--line-a)), transparent 0 70%, #1f6fd1 82%, #62b3ff 90%, transparent 97%); }
.glow-win .card-tilt::before { background: conic-gradient(from var(--line-a), transparent 0 70%, #3b9cff 82%, #9ad0ff 89%, transparent 96%); }
.glow-win .dl-logo { color: #3b9cff; }
.glow-droid .card-frame::before { background: conic-gradient(from var(--line-a), transparent 0 60%, #13824a 72%, #3ddc84 84%, #b6f5cf 90%, transparent 97%); }
.glow-droid .card-frame::after { background: conic-gradient(from calc(180deg - var(--line-a)), transparent 0 70%, #1fa35f 82%, #69e8a5 90%, transparent 97%); }
.glow-droid .card-tilt::before { background: conic-gradient(from var(--line-a), transparent 0 70%, #3ddc84 82%, #b6f5cf 89%, transparent 96%); }
.glow-droid .dl-logo { color: #3ddc84; }

/* Clusters: one big lit panel, simple frosted panels around it (no lights). */
.cluster { display: grid; gap: 18px; padding: 22px; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); align-items: stretch; max-width: 1180px; }
.cluster-4 { grid-template-columns: minmax(0, 1.1fr) repeat(2, minmax(0, 1fr)); }
.cluster .panel-main { position: relative; width: auto; visibility: visible; opacity: 1; grid-row: 1 / span 3; }
.cluster-4 .panel-main, .cluster-2 .panel-main { grid-row: 1 / span 2; }
.panel-main .card-frame, .panel-main .card-tilt { height: 100%; }
.panel-main .card-tilt { justify-content: center; padding: clamp(26px, 3vw, 44px); }
.panel-main h2 { margin: 0 0 14px; font: 300 clamp(38px, 3.6vw, 60px)/1.02 var(--display); letter-spacing: -.035em; color: var(--ink); max-width: 14ch; }
.panel-main p { margin: 0; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.5; color: #c4c8ce; max-width: 34ch; }
.panel-sm { border-radius: 16px; padding: 20px 22px; background: rgba(16, 18, 23, .6); border: 1px solid rgba(255, 255, 255, .07);
  backdrop-filter: blur(18px) saturate(1.1); -webkit-backdrop-filter: blur(18px) saturate(1.1); display: flex; flex-direction: column; gap: 8px; justify-content: center; }
.panel-sm h3 { margin: 0; font: 400 clamp(19px, 1.5vw, 23px)/1.2 var(--display); letter-spacing: -.015em; color: var(--ink); }
.panel-sm p { margin: 0; color: #b9bdc4; font-size: 15px; line-height: 1.45; }
.pair-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.step-n { font: 400 13px/1 var(--mono); color: #6fb6ff; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; border: 1px solid rgba(111, 182, 255, .35); margin-bottom: 4px; }
.plan .soon { font: 400 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: #8fb4e8; margin-left: 8px; vertical-align: middle; }
.plan .plan-list { margin-top: 6px; }
.section > h2 { padding: 0 22px; }
.free-lead, .uses h2 { display: none; }

/* The live app: the actual Windows UI at its own size, scaled into a tilting panel. */
.app-panel { position: absolute; right: var(--gutter); top: max(84px, 10vh); width: min(40vw, 640px); z-index: 2; visibility: visible; }
.app-tilt { padding: 7px; }
.app-tilt::before { opacity: .9; }
.app-viewport { position: relative; width: 100%; aspect-ratio: 1180 / 780; overflow: hidden; border-radius: 11px; background: #0c0c0e; }
.app-viewport iframe { position: absolute; left: 0; top: 0; width: 1180px; height: 780px; border: 0; transform-origin: 0 0; transform: scale(var(--app-scale, .5)); }
@media (max-width: 1100px) { .app-panel { width: min(46vw, 520px); } }
@media (max-width: 960px) { .cluster, .cluster-4, .cluster-2 { grid-template-columns: 1fr; } .cluster .panel-main { grid-row: auto; } }
@media (max-width: 760px) { .app-panel { display: none; } }
@media (prefers-reduced-motion: reduce) { .btn-win::before, .btn-droid::before { animation: none; } }

/* ==== round 7: app above the wordmark, "Try the app", simple platform edges, ticks ==== */
/* Hero app: in the hero's own flow, so it always sits right above the wordmark, sized to the room left. */
.hero .app-panel-hero { position: relative; left: auto; right: auto; top: auto; margin: 0 0 clamp(18px, 3vh, 34px) 10px;
  width: min(40vw, 600px, calc((100svh - 350px - min(14.5vw, 23vh, 240px)) * 1.51)); }

/* Try the app: copy card beside a large live window. */
.try { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.6fr); gap: clamp(28px, 3vw, 48px); align-items: center; max-width: 1280px; padding: 22px; }
.try .panel-main { grid-row: auto; }
.app-panel-inline { position: relative; left: auto; right: auto; top: auto; width: auto; }
@media (max-width: 960px) { .try { grid-template-columns: 1fr; } }
@media (max-width: 760px) { .app-panel-inline { display: block; } }

/* Platform buttons: the edge is already the platform colour; one short bright glint travels round it. */
.btn-win { border-color: rgba(59, 156, 255, .6); }
.btn-droid { border-color: rgba(61, 220, 132, .55); }
.btn-win::before, .btn-droid::before { inset: -1px; border-radius: 15px; padding: 1px; animation: line-spin 2.8s linear infinite; }
.btn-win::before { background: conic-gradient(from var(--line-a), transparent 0 84%, #9ad0ff 92%, transparent 100%); }
.btn-droid::before { background: conic-gradient(from var(--line-a), transparent 0 84%, #b6f5cf 92%, transparent 100%); }

/* Download cards: the same idea — a steady platform-colour ring with one short glint, no second ring. */
.glow-win .card-frame::after, .glow-droid .card-frame::after { display: none; }
.glow-win .card-frame::before, .glow-droid .card-frame::before { opacity: 1; animation-duration: 5s; }
.glow-win .card-frame::before { background: conic-gradient(from var(--line-a), rgba(59, 156, 255, .38) 0 86%, #bfe0ff 93%, rgba(59, 156, 255, .38) 100%); }
.glow-droid .card-frame::before { background: conic-gradient(from var(--line-a), rgba(61, 220, 132, .34) 0 86%, #c9f7dc 93%, rgba(61, 220, 132, .34) 100%); }
.glow-win .card-tilt::before { background: rgba(59, 156, 255, .28); animation: none; }
.glow-droid .card-tilt::before { background: rgba(61, 220, 132, .25); animation: none; }

/* Footer: calm and whole — its own black ground over the shader, the wordmark never clipped, links under it. */
.footer { position: relative; z-index: 1; background: #000; border-top: 1px solid rgba(255, 255, 255, .08); overflow: visible;
  margin-top: clamp(90px, 12vw, 160px); padding: clamp(44px, 6vw, 72px) var(--gutter) 36px; display: flex; flex-direction: column; gap: 26px; }
.footer::before { content: ''; position: absolute; left: 0; right: 0; bottom: 100%; height: 160px; pointer-events: none;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0), #000); }
.footer-mark { order: -1; margin: 0; font-size: clamp(56px, 11vw, 180px); line-height: 1.05; padding-bottom: .12em; color: rgba(243, 239, 232, .92); }
.footer-links { gap: 10px 28px; }

/* ==== round 8: two slower lines per panel (the outer one lit in two places), thicker coloured button edge, loader ==== */
.card-frame::after { display: none !important; }
.card-tilt::before { animation-duration: 12s; }
.card-frame::before { animation-duration: 18s; opacity: .6;
  background: conic-gradient(from var(--line-a), transparent 0 12%, #2f7fdd 22%, #1cb083 30%, transparent 40% 62%, #6b95d2 72%, #219fa6 80%, transparent 90%); }
.glow-win .card-frame::before, .glow-droid .card-frame::before { animation-duration: 18s; }
.glow-win .card-frame::before { background: conic-gradient(from var(--line-a), rgba(59, 156, 255, .34) 0 18%, rgba(110, 182, 255, .7) 26%, rgba(59, 156, 255, .34) 34% 68%, rgba(110, 182, 255, .7) 76%, rgba(59, 156, 255, .34) 84%); }
.glow-droid .card-frame::before { background: conic-gradient(from var(--line-a), rgba(61, 220, 132, .3) 0 18%, rgba(110, 232, 165, .66) 26%, rgba(61, 220, 132, .3) 34% 68%, rgba(110, 232, 165, .66) 76%, rgba(61, 220, 132, .3) 84%); }
/* Buttons: no white glint — a short stretch of the edge gets a little thicker and a little lighter as it travels. */
.btn-win::before, .btn-droid::before { inset: -2px; border-radius: 16px; padding: 2.5px; animation-duration: 6s; }
.btn-win::before { background: conic-gradient(from var(--line-a), transparent 0 76%, rgba(96, 176, 255, .9) 86%, transparent 96%); }
.btn-droid::before { background: conic-gradient(from var(--line-a), transparent 0 76%, rgba(96, 230, 156, .85) 86%, transparent 96%); }

/* Hero app is a still image now; the live one is in "Try the app". */
.app-viewport img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }

/* Loader: covers the page until models, videos and fonts are in; scrolling waits for it. */
html.is-loading, html.is-loading body { overflow: hidden; }
.loader { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; background: #000; transition: opacity .6s ease, visibility .6s; }
.loader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-inner { display: grid; justify-items: center; gap: 22px; }
.loader-ring { width: 64px; height: 64px; border-radius: 50%; padding: 3px; background: conic-gradient(from var(--line-a), #2f7fdd, #1cb083, #c7c5c0, #6b95d2, #2f7fdd);
  -webkit-mask: radial-gradient(circle, transparent 27px, #000 28px); mask: radial-gradient(circle, transparent 27px, #000 28px); animation: line-spin 2.4s linear infinite; }
.loader-bar { width: 180px; height: 2px; border-radius: 2px; background: rgba(255, 255, 255, .1); overflow: hidden; }
.loader-bar span { display: block; height: 100%; width: calc(var(--load-all, 0) * 100%); background: linear-gradient(90deg, #2f7fdd, #1cb083); transition: width .3s ease; }
.loader-label { font: 400 11px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: #8a9099; }
@media (prefers-reduced-motion: reduce) { .loader-ring { animation: none; } }

/* The fixed nav gets its own black fade, so panels scrolling under it never collide with its text. */
.nav::before { content: ''; position: absolute; inset: 0 0 -28px 0; z-index: -1; pointer-events: none;
  background: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, .92) 62%, rgba(0, 0, 0, 0) 100%); }

/* Short laptop screens: tighter panels so a whole section fits under the nav. */
@media (min-width: 761px) and (max-height: 820px) {
  .cluster { gap: 14px; padding: 16px 22px; }
  .panel-sm { padding: 14px 18px; gap: 6px; }
  .panel-sm p { font-size: 14px; }
  .panel-main h2 { font-size: clamp(32px, 3vw, 48px); }
  .pair-row { margin-bottom: 2px; }
  .pair { padding: 7px 10px; }
  .app-panel-inline { max-width: calc((100svh - 150px) * 1.51); justify-self: end; width: 100%; }
}

/* No text without a panel: the closing line + buttons, and the download title. */
.lockup-panel { position: absolute; left: calc(var(--ring-x) + var(--ring-r) * 1.42 - 22px); top: calc(var(--ring-y) + var(--lock-font) * .62);
  padding: 18px 22px 22px; border-radius: 16px; background: rgba(16, 18, 23, .6); border: 1px solid rgba(255, 255, 255, .07);
  backdrop-filter: blur(18px) saturate(1.1); -webkit-backdrop-filter: blur(18px) saturate(1.1); pointer-events: auto; }
.lockup-panel .lockup-line, .lockup .lockup-panel .actions { position: static; left: auto; right: auto; top: auto; }
.lockup-panel .actions { margin-top: 16px; }
.card-grid-dl { grid-template-columns: minmax(0, .9fr) repeat(2, minmax(0, 1fr)); max-width: 1280px; align-items: stretch; }
.card-grid-dl .dl-lead { grid-row: auto; }
@media (max-width: 1100px) { .card-grid-dl { grid-template-columns: repeat(2, minmax(0, 1fr)); } .card-grid-dl .dl-lead { grid-column: 1 / -1; } }
@media (max-width: 760px) {
  .card-grid-dl { grid-template-columns: 1fr; }
  .lockup-panel { left: var(--gutter); right: var(--gutter); top: calc(var(--ring-y) + var(--ring-r) + 20px); text-align: center; }
}
/* A portrait tablet (main.js: width/height < .8) centres the ring like a phone, so the wordmark and the closing panel
   go above and below it like a phone too; beside the ring they ran off the right edge (820x1180: button cut in half). */
@media (min-width: 761px) and (max-aspect-ratio: 4/5) {
  .lockup-mark { left: 50%; top: calc(var(--ring-y) - var(--ring-r) - 18vw); translate: -50% 0; font-size: 22vw; }
  .lockup-panel { left: var(--gutter); right: var(--gutter); top: calc(var(--ring-y) + var(--ring-r) + 20px); max-width: 560px; margin-inline: auto; text-align: center; }
  .lockup-panel .actions { justify-content: center; }
}

.inspect .app-panel, .inspect .loader { visibility: hidden !important; }

/* Revolver drum: the panel groups turn around a horizontal axis behind them (transform set by scrollflow.js). */
main > .section > * { transform-origin: 50% 50%; }
/* A tilted group's near edge is wider than the screen (up to 1.2x): clip it at the page's own edges, which is where it
   was already cut off visually, so it no longer makes the page scroll sideways (1280 px: 22 px, /tr/ 1440 px: 13 px).
   `clip` rather than `hidden`: it makes no scroll container, so the story's position: sticky keeps working. */
#top { overflow-x: clip; }

/* SmartScreen explainer. */
html.has-dialog, html.has-dialog body { overflow: hidden; }
.ss-dialog { width: min(760px, calc(100vw - 32px)); max-height: calc(100svh - 32px); padding: 0; border: 0; background: transparent; color: var(--ink); overflow: visible; }
.ss-dialog::backdrop { background: rgba(0, 0, 0, .72); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.ss-card { position: relative; max-height: calc(100svh - 32px); overflow-y: auto; padding: clamp(22px, 3vw, 34px); border-radius: 18px;
  background: #0b0d11; border: 1px solid rgba(59, 156, 255, .35); box-shadow: 0 40px 120px -40px rgba(0, 0, 0, .9); }
.ss-close { position: absolute; top: 12px; right: 12px; width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .12);
  background: rgba(255, 255, 255, .04); color: var(--ink); font-size: 22px; line-height: 1; cursor: pointer; }
.ss-close:hover { background: rgba(255, 255, 255, .1); }
.ss-card h2 { margin: 0 44px 10px 0; font: 300 clamp(28px, 3vw, 40px)/1.05 var(--display); letter-spacing: -.03em; }
.ss-card h3 { margin: 24px 0 8px; font: 400 21px/1.2 var(--display); letter-spacing: -.01em; }
.ss-card p { margin: 0 0 10px; color: #c4c8ce; font-size: 15.5px; line-height: 1.55; }
.ss-card .ss-small { color: #8e949c; font-size: 13.5px; }
.ss-lead { max-width: 56ch; }
.ss-steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 18px; }
.ss-shot { margin: 0; display: grid; gap: 10px; }
.ss-shot figcaption { color: #c4c8ce; font-size: 14.5px; }
.ss-shot figcaption b { display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 6px; border-radius: 50%;
  border: 1px solid rgba(111, 182, 255, .45); color: #6fb6ff; font: 400 12px/1 var(--mono); }
/* A drawing of the SmartScreen window — its layout and words, not a screenshot. */
.ss-win { min-height: 196px; padding: 16px 16px 14px; border-radius: 6px; background: #1f5fae; color: #fff; display: flex; flex-direction: column;
  font: 400 12.5px/1.45 "Segoe UI", system-ui, sans-serif; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08); }
.ss-card .ss-win p { color: #fff; margin: 0 0 8px; font: inherit; }
.ss-card .ss-win .ss-win-title { font-size: 19px; font-weight: 300; line-height: 1.2; margin-bottom: 10px; }
.ss-card .ss-win .ss-win-link { text-decoration: underline; }
.ss-card .ss-win .ss-win-meta { opacity: .92; }
.ss-win-actions { margin-top: auto; display: flex; justify-content: flex-end; gap: 8px; }
.ss-win-btn { padding: 5px 16px; border: 1px solid rgba(255, 255, 255, .85); font-size: 12.5px; }
.ss-hot { outline: 2px solid #ffd54a; outline-offset: 3px; border-radius: 2px; }
.ss-fund { margin-top: 18px; padding: 16px; border-radius: 14px; background: rgba(255, 255, 255, .03); border: 1px solid rgba(255, 255, 255, .08); display: grid; gap: 10px; }
.ss-fund-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 14.5px; color: var(--ink); }
.ss-fund-head span:last-child { font: 400 13px/1.4 var(--mono); color: #aeb3ba; }
.ss-bar { height: 8px; border-radius: 8px; background: rgba(255, 255, 255, .08); overflow: hidden; }
.ss-bar span { display: block; height: 100%; width: 0; min-width: 4px; border-radius: 8px; background: linear-gradient(90deg, #2f7fdd, #1cb083); transition: width .8s cubic-bezier(.23, 1, .32, 1); }
.ss-card .ss-phase { margin: 0; font: 400 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #8fb4e8; }
.ss-bar-total span { background: linear-gradient(90deg, #6b95d2, #c7c5c0); }
.ss-card .ss-next { margin: 2px 0 0; font-size: 13.5px; color: #aeb3ba; }
.ss-card .ss-costs-title { margin: 8px 0 0; font-size: 14.5px; color: var(--ink); }
.ss-costs { list-style: none; margin: 0 0 4px; padding: 0; display: grid; }
.ss-costs li { display: flex; justify-content: space-between; align-items: baseline; gap: 14px; padding: 9px 0; border-top: 1px solid rgba(255, 255, 255, .06); }
.ss-costs li > div { display: grid; gap: 2px; }
.ss-cost-name { font-size: 14px; color: var(--ink); }
.ss-cost-why { font-size: 12.5px; color: #8e949c; line-height: 1.4; }
.ss-cost-val { font: 400 12.5px/1.5 var(--mono); color: #c4c8ce; white-space: nowrap; }
/* GitHub's card draws its content in the top ~110 px of a 225 px frame; crop the empty white below it. */
.gh-sponsor-card { display: block; width: 100%; max-width: 600px; height: 124px; border: 0; border-radius: 10px; background: transparent; }
@media (max-width: 640px) { .gh-sponsor-card { height: 250px; } }
.gh-sponsor-button { display: block; width: 114px; height: 32px; border: 0; border-radius: 6px; }
.btn-sponsor { justify-self: start; background: #06080b; color: #f3efe8; border: 1px solid rgba(219, 97, 162, .6); }
.btn-sponsor span:first-child { color: #db61a2; }
.ss-actions { margin-top: 20px; display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 640px) { .ss-steps { grid-template-columns: 1fr; } }

/* ==== round 9: no scrollbars, sponsor entry points, two-view download dialog, download popup ==== */
html, body, * { scrollbar-width: none; }
html::-webkit-scrollbar, body::-webkit-scrollbar, *::-webkit-scrollbar { display: none; width: 0; height: 0; }

/* "Sponsor Synfonos", top left, always in view. */
.nav-sponsor { position: relative; isolation: isolate; display: inline-flex; align-items: center; gap: 8px; min-height: 36px; padding: 0 15px; border-radius: 999px;
  background: #0c070a; color: #f3efe8; border: 1px solid rgba(219, 97, 162, .75); font: 500 13.5px/1 var(--ui); cursor: pointer; white-space: nowrap;
  box-shadow: 0 0 24px -4px rgba(219, 97, 162, .6); transition: background-color .2s, transform .2s; }
.nav-sponsor span { display: inline-block; color: #ff7ab8; animation: heart-beat 1.6s ease-in-out infinite; }
.nav-sponsor::before { content: ''; position: absolute; inset: -2px; border-radius: 999px; padding: 2px; z-index: -1; pointer-events: none;
  background: conic-gradient(from var(--line-a), transparent 0 72%, rgba(255, 122, 184, .95) 86%, transparent 97%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  animation: line-spin 3.4s linear infinite; }
.nav-sponsor:hover { background: #170b12; transform: translateY(-1px); }
@keyframes heart-beat { 0%, 100% { transform: scale(1); } 14% { transform: scale(1.28); } 28% { transform: scale(1); } 42% { transform: scale(1.18); } 56% { transform: scale(1); } }
@media (max-width: 760px) { .nav-sponsor { min-height: 30px; padding: 0 11px; font-size: 12px; } }
/* Room for the sponsor button: nav links never wrap, and drop out a little earlier. */
.nav-links a { white-space: nowrap; }
@media (max-width: 1400px) { .nav-links { display: none; } }
@media (prefers-reduced-motion: reduce) { .nav-sponsor span, .nav-sponsor::before, .btn-why { animation: none; } }

/* Free section: the short sponsor note. */
.free-sponsor { margin-top: 22px; display: grid; gap: 10px; max-width: 42ch; }
.panel-main .free-sponsor-text { font-size: 15px; color: #c4c8ce; }
.free-sponsor .btn-sponsor { justify-self: start; margin-top: 4px; }

/* Download dialog: steps view (Continue first, a loud "Why?") and a reasons view laid out to fit without scrolling. */
.ss-dialog { width: min(1000px, calc(100vw - 32px)); }
.ss-dialog[data-view="steps"] { width: min(780px, calc(100vw - 32px)); }
.ss-card { scrollbar-width: none; transition: transform .5s cubic-bezier(.23, 1, .32, 1); will-change: auto; }
.ss-view[hidden] { display: none !important; }
.ss-dialog[data-mode="sponsor"] .why-only, .ss-dialog:not([data-mode="sponsor"]) .sponsor-only { display: none !important; }
.ss-view-steps .ss-actions { margin-top: 18px; }
.ss-card .ss-continue { background: linear-gradient(180deg, #1f6fd1, #0b5cad); color: #fff; border-color: #3b9cff; }
.ss-card .ss-continue .btn-icon { color: #fff; }
.ss-card .ss-continue:hover { background: linear-gradient(180deg, #2a7ce0, #1266bd); }
.btn-why { background: #0d0b04; color: #ffe28a; border: 1px solid rgba(255, 213, 74, .8); animation: why-pulse 1.8s ease-in-out infinite; }
.btn-why span:first-child { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: #ffd54a; color: #111; font: 700 12px/1 var(--ui); }
.btn-why:hover { background: #1a1507; }
@keyframes why-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(255, 213, 74, 0); } 50% { box-shadow: 0 0 0 7px rgba(255, 213, 74, .2); } }
.ss-back { margin: 0 0 12px; padding: 0; border: 0; background: none; color: #8fb4e8; font: 400 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; cursor: pointer; }
.ss-back:hover { color: #cfe2ff; }
.ss-why-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: 22px; align-items: start; }
.ss-why-grid .ss-fund { margin-top: 0; }
.ss-why-grid .gh-sponsor-card { margin-top: 14px; }
.ss-view-why .ss-actions { margin-top: 18px; }
@media (max-width: 880px) { .ss-why-grid { grid-template-columns: 1fr; } }
@media (min-width: 881px) and (max-height: 760px) {
  .ss-card { padding: 20px 24px; }
  .ss-card h2 { font-size: 28px; margin-bottom: 8px; }
  .ss-card p { font-size: 14px; margin-bottom: 8px; }
  .ss-costs li { padding: 6px 0; }
  .ss-cost-why { display: none; }
  .ss-win { min-height: 170px; }
}

/* Download popup. */
.dl-dialog { width: min(520px, calc(100vw - 32px)); }
.dl-dialog .ss-card { border-color: rgba(61, 220, 132, .4); }
.dl-next { margin: 6px 0 0; padding-left: 20px; display: grid; gap: 8px; color: #c4c8ce; font-size: 15px; line-height: 1.5; }
.dl-next[hidden] { display: none; }

/* ==== round 10: dialog fades, the site-drawn GitHub card ==== */
.ss-dialog[open] { animation: dlg-in .26s cubic-bezier(.23, 1, .32, 1); }
.ss-dialog[open]::backdrop { animation: dlg-fade-in .26s ease; }
.ss-dialog.is-closing { animation: dlg-out .22s ease forwards; pointer-events: none; }
.ss-dialog.is-closing::backdrop { animation: dlg-fade-out .22s ease forwards; }
.ss-view:not([hidden]) { animation: view-in .24s ease; }
@keyframes dlg-in { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes dlg-out { from { opacity: 1; transform: none; } to { opacity: 0; transform: translateY(8px) scale(.98); } }
@keyframes dlg-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes dlg-fade-out { from { opacity: 1; } to { opacity: 0; } }
@keyframes view-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.gh-card { margin-top: 14px; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 12px 14px; align-items: start; padding: 14px 16px;
  border-radius: 14px; background: linear-gradient(180deg, rgba(219, 97, 162, .07), rgba(255, 255, 255, .02)); border: 1px solid rgba(219, 97, 162, .35); }
.gh-avatar { width: 52px; height: 52px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .16); object-fit: cover; }
.ss-card .gh-card-title { margin: 2px 0 2px; font: 500 15.5px/1.3 var(--ui); color: var(--ink); }
.ss-card .gh-card-login { margin: 0 0 6px; font: 400 12px/1.2 var(--mono); color: #8e949c; }
.ss-card .gh-card-bio { margin: 0; font-size: 13.5px; line-height: 1.5; color: #b9bdc4; }
.gh-card-btn { grid-column: 1 / -1; justify-self: start; }
.btn-sponsor span:first-child { display: inline-block; color: #ff7ab8; animation: heart-beat 1.6s ease-in-out infinite; }
.gh-ext { color: #aeb3ba; font-size: 13px; }
.footer-sponsor { align-self: flex-start; }
@media (prefers-reduced-motion: reduce) { .btn-sponsor span:first-child { animation: none; } }

/* The travelling Sponsor button: fixed, placed every frame between its hero slot and its nav slot (main.js). */
.sponsor-slot { display: inline-block; flex: none; pointer-events: none; }
.nav .nav-sponsor { position: fixed; left: 0; top: 0; z-index: 7; margin: 0; will-change: transform; }
.hero .actions { align-items: center; }

/* The "Scroll" hint (scrollhint.js). */
.scroll-hint { position: fixed; left: 50%; bottom: clamp(18px, 4vh, 36px); z-index: 6; display: grid; justify-items: center; gap: 6px;
  translate: -50% 8px; opacity: 0; pointer-events: none; transition: opacity .6s ease, translate .6s cubic-bezier(.23, 1, .32, 1); }
.scroll-hint.is-on { opacity: 1; translate: -50% 0; }
.scroll-hint-label { font: 400 11px/1 var(--mono); letter-spacing: .22em; text-transform: uppercase; color: #c4c8ce; }
.scroll-hint-arrow { color: #9ad0ff; filter: drop-shadow(0 0 8px rgba(59, 156, 255, .5)); animation: hint-bob 1.6s cubic-bezier(.45, 0, .55, 1) infinite; }
@keyframes hint-bob { 0%, 100% { transform: translateY(-3px); opacity: .55; } 50% { transform: translateY(5px); opacity: 1; } }
html.has-dialog .scroll-hint, html.subtitle-on .scroll-hint { opacity: 0; }
@media (prefers-reduced-motion: reduce) { .scroll-hint-arrow { animation: none; } }

/* Download cards: file name, size and SHA-256 of the release. */
.dl-meta { margin: 0; font: 400 12px/1.6 var(--mono); color: #8e949c; }
.dl-sha { color: #aeb3ba; word-break: break-all; }

/* Free plan: ticks. */
.plan-ticks li { padding-left: 26px; }
.plan-ticks li::before { top: .2em; width: 16px; height: 16px; border-radius: 0; background: #3ddc84;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3.2 3.2L13 4.8' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3.2 3.2L13 4.8' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat; }

/* ==== Bluetooth-first content (16 Sep): hero sub-line, one download button + text link, sponsor buttons,
   Pro waitlist form, five "Not yet" panels, and the plain subpages (/how-it-works, /troubleshoot, …) ==== */
.hero-sub { margin: -14px 0 24px; font: 400 clamp(14px, 1.1vw, 16px)/1.5 var(--ui); color: var(--ink-3); letter-spacing: .01em; }
.hero-link { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 6px; color: var(--ink); font: 500 14px/1 var(--ui); text-decoration: none; border-bottom: 1px solid transparent; }
.hero-link:hover { color: #fff; }
.hero-link:hover span { transform: translateX(3px); }
.hero-link span { transition: transform .2s cubic-bezier(.23, 1, .32, 1); }
.hero-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.sponsor-buttons, .gh-card-btns, .footer-sponsors { display: flex; flex-wrap: wrap; gap: 10px; }
.free-sponsor .sponsor-buttons { margin-top: 4px; }
.gh-card-btns { grid-column: 1 / -1; }
.btn-bmc { border-color: rgba(255, 213, 74, .55); }
.btn.btn-bmc span:first-child { color: #ffd54a; animation: none; }
.footer-sponsors { align-self: flex-start; }

.notify-form { margin-top: 14px; padding-top: 14px; border-top: 1px solid rgba(255, 255, 255, .07); display: grid; gap: 8px; }
.notify-form label { font-size: 14px; color: var(--ink); }
.notify-row { display: flex; gap: 8px; flex-wrap: wrap; }
.notify-row input, .field input, .field textarea, .field select { flex: 1 1 180px; min-height: 44px; padding: 0 14px; border-radius: 12px; border: 1px solid rgba(243, 239, 232, .18);
  background: rgba(0, 0, 0, .35); color: var(--ink); font: 400 15px/1.4 var(--ui); }
.field textarea { padding: 12px 14px; min-height: 140px; resize: vertical; }
.notify-row input:focus-visible, .field input:focus-visible, .field textarea:focus-visible, .field select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.notify-row .btn { min-height: 44px; }
.notify-status { margin: 0; min-height: 1.2em; font-size: 13.5px; color: var(--ink-3); }
.notify-status[data-tone="good"] { color: #3ddc84; }
.notify-status[data-tone="bad"] { color: #ffb4a8; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
/* /feedback: the plain email address under the lead, and the one line under the form that says where a message goes. */
.page-head p + p { margin-top: 12px; }
.form-note { margin: 0; font-size: 13.5px; color: var(--ink-3); }

.cluster-5 .panel-main { grid-row: 1 / span 3; }
.cluster-5 .panel-wide { grid-column: 2 / -1; }
.cluster-devices { grid-template-columns: minmax(0, 1fr); max-width: 760px; }
.cluster-devices .panel-main { grid-row: auto; }
@media (max-width: 960px) { .cluster-5 .panel-main, .cluster-5 .panel-wide { grid-row: auto; grid-column: auto; } }

/* Subpages: same type, colours, panels and buttons, on plain black with no 3D stage. */
body.page { min-height: 100svh; }
.page .nav-mark { opacity: 1; }
.page .nav .nav-sponsor { position: static; transform: none; }
.page .nav-links { display: flex; }
@media (max-width: 900px) { .page .nav-links { display: none; } }
.page-main { max-width: 1080px; margin: 0 auto; padding: 120px var(--gutter) 40px; display: grid; gap: 22px; }
.page-head h1 { margin: 0 0 12px; font: 300 clamp(40px, 5vw, 72px)/1.02 var(--display); letter-spacing: -.035em; color: var(--ink); }
.page-head p { margin: 0; max-width: 56ch; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.55; color: #c4c8ce; }
.page-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.page-grid .panel-sm { justify-content: flex-start; }
@media (max-width: 760px) { .page-grid { grid-template-columns: 1fr; } .page-main { padding-top: 96px; } }
.page .footer { margin-top: 60px; }
.page-video { width: 100%; aspect-ratio: 16 / 10; border-radius: 14px; background: #0c0c0e; display: block; }
.shot { margin: 0; display: grid; gap: 10px; }
.shot img { width: 100%; height: auto; border-radius: 12px; border: 1px solid rgba(255, 255, 255, .08); background: #0c0c0e; }
.shot figcaption { color: #b9bdc4; font-size: 14.5px; }
.tag-exp { display: inline-block; margin-left: 10px; padding: 5px 10px; border-radius: 999px; border: 1px solid rgba(255, 213, 74, .55); color: #ffe28a;
  font: 400 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; vertical-align: middle; }
.field { display: grid; gap: 6px; }
.field label { font-size: 14px; color: var(--ink); }
.device-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.device-list li { padding: 8px 0; border-top: 1px solid rgba(255, 255, 255, .06); color: #c4c8ce; font-size: 15px; }

.panel-sm h2.h3 { margin: 0; font: 400 clamp(19px, 1.5vw, 23px)/1.2 var(--display); letter-spacing: -.015em; color: var(--ink); }
.btn-bmc .bmc-icon { color: #ffd54a; width: 18px; height: 18px; }
.page-main .story-card.panel-main { position: relative; width: auto; visibility: visible; opacity: 1; }
.page-main .panel-main .card-tilt { padding: clamp(26px, 3vw, 44px); }
.page-head h1 { max-width: none; overflow-wrap: anywhere; }

/* Sponsor block (16 Sep, second pass): one goal bar and an ordered list, each item marked once it is funded. */
.cluster-support .panel-main { grid-row: auto; }
.cluster-support .free-sponsor { max-width: 46ch; }
.fund-list { counter-reset: fund; }
.fund-list li { position: relative; padding-left: 30px; align-items: baseline; }
.fund-list li::before { counter-increment: fund; content: counter(fund); position: absolute; left: 0; top: 10px; width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center; font: 400 11px/1 var(--mono); color: #8e949c; border: 1px solid rgba(255, 255, 255, .16); }
.fund-list li.is-funded::before { content: '\2713'; color: #06080b; background: #3ddc84; border-color: #3ddc84; }
.fund-list li.is-funded .ss-cost-name { color: #3ddc84; }
.fund-mark { font: 400 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: #3ddc84; min-width: 0; }
.fund-mark:empty { display: none; }

/* ---- story subtitles (23 Sep): no card or picture. On a PC a left column, vertically centred (owner: not at the
   bottom, the devices reach down there); on a phone low and centred, under the devices. ----------------------- */
.caption.subtitle { left: var(--gutter); right: auto; top: 50%; bottom: auto; translate: 0 -50%; width: min(380px, 27vw);
  max-width: none; margin: 0; padding: 0; text-align: left; pointer-events: none; }
/* A soft pool of dark behind the words, never a box: the scene stays visible around it. */
.caption.subtitle::before { content: ''; display: block; position: absolute; inset: -80px -38% -80px -30%; z-index: -1; pointer-events: none;
  background: radial-gradient(closest-side, rgba(2, 3, 4, .84), rgba(2, 3, 4, .5) 55%, rgba(2, 3, 4, 0)); }
.caption.subtitle::after { content: none; }
.caption.subtitle h2 { margin: 0; font: 400 clamp(26px, 2.5vw, 40px)/1.14 var(--display); letter-spacing: -.02em; color: var(--ink);
  text-shadow: 0 2px 24px rgba(0, 0, 0, .7); text-wrap: balance; }
.caption.subtitle p { margin: 10px 0 0; font: 400 clamp(15px, 1.1vw, 18px)/1.45 var(--ui); color: var(--ink-2);
  text-shadow: 0 1px 16px rgba(0, 0, 0, .8); text-wrap: balance; }
@media (max-width: 760px) {
  .caption.subtitle { left: 50%; top: auto; bottom: calc(76px + env(safe-area-inset-bottom)); translate: -50% 0;
    width: calc(100vw - 2 * var(--gutter)); text-align: center; }
  .caption.subtitle::before { inset: -40px -10% -30px; }
  .caption.subtitle h2 { font-size: 23px; }
  .caption.subtitle p { font-size: 15px; margin-top: 8px; }
}

/* ---- hero actions and the download section (23 Sep) --------------------------------------------------------- */
/* Download and Sponsor side by side, "See how it works" on its own line under them. */
.hero .actions .hero-link { flex-basis: 100%; justify-content: flex-start; }
/* Get Synfonos + the Windows card on the left, the live app on the right, large enough to use. */
.card-grid-dl { grid-template-columns: minmax(300px, 380px) minmax(0, 1fr); grid-template-rows: auto 1fr; max-width: 1360px; align-items: stretch; }
.card-grid-dl .dl-lead { grid-column: 1; grid-row: 1; }
.card-grid-dl .dl-card { grid-column: 1; grid-row: 2; }
.card-grid-dl .dl-app { grid-column: 2; grid-row: 1 / span 2; align-self: center; margin: 0; }
.dl-card .card-tilt { display: flex; flex-direction: column; height: 100%; box-sizing: border-box; }
.dl-card .dl-version { margin: 0; font: 400 13px/1.4 var(--mono); letter-spacing: .04em; color: var(--ink-3); }
.dl-card .dl-actions { display: grid; gap: 12px; margin-top: auto; }
.app-panel-live .app-viewport { aspect-ratio: 3 / 2; }
.app-panel-live .app-viewport iframe { width: 960px; height: 640px; }
.dl-app-note { margin: 12px 4px 0; font-size: 14px; color: var(--ink-3); }
@media (max-width: 1100px) {
  .card-grid-dl { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: auto; }
  .card-grid-dl .dl-lead { grid-column: 1; grid-row: 1; }
  .card-grid-dl .dl-card { grid-column: 2; grid-row: 1; }
  .card-grid-dl .dl-app { grid-column: 1 / -1; grid-row: 2; }
}
@media (max-width: 760px) {
  .card-grid-dl { grid-template-columns: 1fr; }
  .card-grid-dl .dl-lead, .card-grid-dl .dl-card { grid-column: 1; grid-row: auto; }
  .card-grid-dl .dl-app { display: none; } /* a phone visitor gets "Send it to my PC" instead */
}

/* ---- phone hero (24 Sep): one button, Send it to my PC; Sponsor left and See how it works right on the line under it.
   The Windows download stays in the download section further down. ------------------------------------------------ */
html.is-handheld .hero .actions { flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: space-between; row-gap: 14px; }
html.is-handheld .hero .actions .btn-send { flex: 0 0 100%; }
html.is-handheld .hero .actions .btn-win { display: none; }
html.is-handheld .hero .actions .hero-link { flex-basis: auto; margin-left: auto; }