/* AirMouse website layer.
   Load order: tokens.css (generated) → components.css (design-system bundle, unedited) → site.css.
   This file only adds web layout. Every colour, size, radius, shadow and duration is a design-system token;
   nothing here introduces a new colour. Volt (brand-primary) = go / live / selected, at most twice per view.
   Ion (brand-secondary) = air and motion. Everything else is graphite. */

/* ============ Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
body { min-height: 100vh; overflow-x: hidden; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; color: var(--text-primary); }
ul, ol { margin: 0; padding: 0; }
::selection { background: var(--accent); color: var(--text-primary); }
:focus-visible { outline: var(--border-focus) solid var(--focus); outline-offset: 2px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: var(--space-lg); top: -64px; z-index: 100; }
.skip:focus { top: var(--space-lg); }

/* ============ Type (web scale built on the token scale) ============ */
.t-display { font: 700 clamp(40px, 6.2vw, 72px)/1.04 var(--font-display); letter-spacing: -0.035em; text-wrap: balance; }
.t-h1 { font: var(--type-display); font-size: clamp(34px, 4.4vw, 52px); line-height: 1.08; letter-spacing: -0.03em; text-wrap: balance; }
.t-h2 { font: 700 clamp(28px, 3.4vw, 40px)/1.12 var(--font-display); letter-spacing: -0.025em; text-wrap: balance; }
.t-title { font: var(--type-title); letter-spacing: var(--type-title-tracking); }
.t-sub { font: var(--type-subheading); letter-spacing: var(--type-subheading-tracking); }
.t-lead { font: var(--type-body-large); color: var(--text-secondary); max-width: 34em; text-wrap: pretty; }
.t-body { font: var(--type-body); color: var(--text-secondary); text-wrap: pretty; }
.t-small { font: var(--type-body-small); letter-spacing: var(--type-body-small-tracking); color: var(--text-secondary); }
.t-caption { font: var(--type-caption); letter-spacing: var(--type-caption-tracking); color: var(--text-muted); }
.t-label { font: var(--type-label); letter-spacing: var(--type-label-tracking); color: var(--text-secondary); }
.t-kicker { display: inline-flex; align-items: center; gap: var(--space-sm); font: var(--type-key-caption); letter-spacing: var(--type-key-caption-tracking); text-transform: uppercase; color: var(--text-secondary); }
.t-kicker .am-icon { color: var(--brand-secondary); }
.t-mono { font: var(--type-code); color: var(--text-muted); }
.t-ink { color: var(--brand-ink); }
.t-ion { color: var(--brand-secondary); }
.prose a, .link { color: var(--text-primary); text-decoration: underline; text-decoration-color: var(--border-strong); text-underline-offset: 3px; transition: text-decoration-color var(--duration-fast) var(--ease-standard); }
.prose a:hover, .link:hover { text-decoration-color: var(--text-primary); }

/* ============ Layout ============ */
.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--screen-margin); }
.wrap--narrow { max-width: 760px; }
@media (min-width: 428px) { .wrap { padding: 0 var(--space-xl); } }
@media (min-width: 600px) { .wrap { padding: 0 var(--space-2xl); } }
.section { padding: 96px 0; }
.section--tight { padding: 64px 0; }
@media (max-width: 720px) { .section { padding: 64px 0; } .section--tight { padding: 48px 0; } }
.section-head { display: flex; flex-direction: column; gap: var(--space-md); max-width: 760px; margin-bottom: var(--space-3xl); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; align-items: center; }
.stack { display: flex; flex-direction: column; }
.stack-sm { gap: var(--space-sm); } .stack-md { gap: var(--space-md); } .stack-lg { gap: var(--space-lg); } .stack-xl { gap: var(--space-xl); }
.row-btns { display: flex; flex-wrap: wrap; gap: var(--button-gap); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-xl); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-lg); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 720px) { .grid-2 { grid-template-columns: minmax(0, 1fr); } }
.am-btn { text-decoration: none; }

/* ============ Lockup (Screen Point mark + wordmark) ============
   Wordmark: Manrope 800, -4% tracking, 0.5x mark height, gap 0.25x mark height. Clear space 0.25x. */
.lockup { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text-primary); padding: 8px; margin: -8px; border-radius: var(--radius-sm); }
/* Bare Screen Point glyph, as on the store screenshots: Volt on dark, ink on light. */
.lockup__glyph { width: 35px; height: 30px; flex: none; color: var(--brand-primary); }
:root[data-theme="light"] .lockup__glyph { color: var(--text-primary); }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .lockup__glyph { color: var(--text-primary); } }
.lockup span { font: 800 19px/1 var(--font-display); letter-spacing: -0.04em; }

/* ============ Top bar ============ */
.topbar { position: sticky; top: 0; z-index: var(--z-sticky); background: color-mix(in srgb, var(--bg-base) 88%, transparent); border-bottom: 1px solid var(--divider); }
@supports not (background: color-mix(in srgb, red, blue)) { .topbar { background: var(--bg-base); } }
.topbar__in { display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); height: 72px; }
.nav { display: flex; align-items: center; gap: var(--space-xs); }
.nav a { display: inline-flex; align-items: center; height: 48px; padding: 0 var(--space-md); border-radius: var(--radius-full); font: var(--type-button-small); letter-spacing: var(--type-button-small-tracking); color: var(--text-secondary); text-decoration: none; transition: color var(--duration-fast) var(--ease-standard), background-color var(--duration-fast) var(--ease-standard); }
.nav a:hover { color: var(--text-primary); }
.nav a[aria-current="page"] { color: var(--text-primary); background: var(--surface); box-shadow: inset 0 0 0 1px var(--border); }
.topbar__end { display: flex; align-items: center; gap: var(--space-sm); }
.menu-btn { display: none; }
@media (max-width: 860px) {
  .nav, .topbar__cta { display: none; }
  .menu-btn { display: inline-grid; }
  .topbar__in { height: 64px; }
}
.mnav { position: fixed; inset: 0; z-index: var(--z-sheet); display: flex; flex-direction: column; justify-content: flex-end; }
.mnav[hidden] { display: none; }
.mnav .am-sheet { padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom)); }
.mnav .am-group__rows a { text-decoration: none; }

/* ============ Hero ============ */
/* Home hero: one centred column, short on purpose. Kicker pill, headline, one line, two buttons, one note.
   Height is capped so the next section peeks in on a laptop; the copy column is capped at 760px. */
.hero { position: relative; display: grid; align-items: center; min-height: min(680px, calc(100svh - 72px)); padding: 72px 0 80px; }
.hero__in { max-width: 808px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--space-xl); }
.hero__pill { display: inline-flex; align-items: center; gap: var(--space-sm); height: 36px; padding: 0 var(--space-lg); border-radius: var(--radius-full); border: 1px solid var(--border); background: var(--surface); font: var(--type-label); letter-spacing: var(--type-label-tracking); color: var(--text-primary); }
.hero__pill .am-icon { color: var(--brand-ink); }
.hero .t-display { font-size: clamp(40px, 6.6vw, 76px); max-width: 12em; }
.hero .t-lead { max-width: 30em; font-size: clamp(17px, 1.6vw, 20px); line-height: 1.5; }
.hero .row-btns { justify-content: center; margin-top: var(--space-sm); }
.hero__note { color: var(--text-muted); }
@media (max-width: 720px) { .hero { min-height: 0; padding: 56px 0 64px; } .hero__in { gap: var(--space-lg); } }

/* Dot grid backdrop: the touchpad pattern as the site's single texture. Decorative only. */
.dotfield { position: absolute; inset: 0; pointer-events: none; background-image: radial-gradient(circle at center, var(--touchpad-dot) 1.25px, transparent 1.75px); background-size: 24px 24px; -webkit-mask-image: radial-gradient(ellipse 60% 70% at 72% 45%, #000 0%, transparent 75%); mask-image: radial-gradient(ellipse 60% 70% at 72% 45%, #000 0%, transparent 75%); opacity: .9; }

/* ============ Live demo: TV + remote ============ */
.demo { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: var(--space-xl); align-items: end; }
@media (max-width: 1100px) and (min-width: 961px) { .demo { grid-template-columns: minmax(0, 1fr); } .demo .remote { justify-self: center; } }
@media (max-width: 700px) { .demo { grid-template-columns: minmax(0, 1fr); } .demo .remote { justify-self: center; width: 100%; max-width: 340px; } }
.tv { position: relative; align-self: center; }
.tv__screen { container-type: inline-size; position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-md); background: var(--bg-elevated); border: 1px solid var(--border); padding: 6%; overflow: hidden; }
:root[data-theme="light"] .tv__screen { background: #0b0d0f; border-color: #262b31; }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .tv__screen { background: #0b0d0f; border-color: #262b31; } }
.tv__stand { width: 22%; height: 6px; margin: 10px auto 0; border-radius: var(--radius-full); background: var(--border); }
.tv__label { margin-top: var(--space-md); text-align: center; }
.tv__row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5%; }
.tv__row + .tv__row { margin-top: 5%; }
.tv__rowlabel { font: 700 max(9px, 2.1cqi)/1.2 var(--font-text); color: #838d98; margin: 0 0 2.4cqi 1px; }
.tv__tile { position: relative; aspect-ratio: 16 / 10; border-radius: 6px; background: #1b1f24; box-shadow: inset 0 1px 0 rgba(255,255,255,.05); display: grid; place-items: center; font: 800 max(10px, 2.9cqi)/1 var(--font-display); letter-spacing: -.03em; color: #a7b0ba; transition: transform var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard), background-color var(--duration-fast); }
.tv__tile.is-focus { transform: scale(1.08); background: #2c3238; color: #e9edf1; box-shadow: 0 0 0 2px #e9edf1; z-index: 1; }
.tv__tile.is-open { animation: tv-open var(--duration-slow) var(--ease-standard); }
@keyframes tv-open { 50% { transform: scale(1.14); box-shadow: 0 0 0 3px #c6f24e; } }
.tv__hud { position: absolute; left: 50%; top: 6%; translate: -50% 0; transform-origin: top center; scale: min(1, calc(100cqi / 640px)); }
.tv__hud[hidden] { display: none; }
.tv__toast { position: absolute; left: 50%; bottom: 7%; transform: translateX(-50%); display: inline-flex; align-items: center; gap: var(--space-sm); height: 36px; padding: 0 var(--space-lg); border-radius: var(--radius-full); background: #1a1e22; border: 1px solid #262b31; color: #e9edf1; font: var(--type-label); white-space: nowrap; animation: am-in var(--duration-base) var(--ease-out); }
.tv__toast[hidden] { display: none; }
.tv__cursor { position: absolute; width: 22px; height: 22px; color: #72d8f4; pointer-events: none; transition: left var(--duration-base) var(--ease-standard), top var(--duration-base) var(--ease-standard); }

.remote { width: 300px; padding: var(--space-lg) var(--space-lg) var(--space-xl); border-radius: 36px; background: var(--bg-base); border: 1px solid var(--border); box-shadow: 0 0 0 6px var(--bg-elevated), 0 0 0 7px var(--border); display: flex; flex-direction: column; gap: var(--space-lg); }
.remote .am-header { height: 48px; }
.remote__dpad { display: grid; place-items: center; }
.remote__dpad .am-dpad { width: 216px; height: 216px; }
.remote__keys { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--control-gap); }
.remote__keys .am-key { width: 100%; height: 52px; }
.remote__levels { display: grid; grid-template-columns: 56px 1fr 56px; gap: var(--control-gap); align-items: center; }
.remote__mid { display: flex; flex-direction: column; align-items: center; gap: var(--control-gap); }
.remote__mid .am-key--md { width: 100%; }
.remote__mid .pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--control-gap); width: 100%; }
.remote__mid .pair .am-key { width: 100%; height: 52px; }
.remote__hint { text-align: center; }
.kbd { display: inline-grid; place-items: center; min-width: 22px; height: 22px; padding: 0 5px; border-radius: var(--radius-xs); border: 1px solid var(--border); background: var(--key); box-shadow: var(--shadow-key); font: 600 11px/1 var(--font-display); color: var(--text-primary); }

/* ============ Cards ============ */
.card { position: relative; border-radius: var(--radius-md); background: var(--surface); border: 1px solid var(--border); padding: var(--space-xl); display: flex; flex-direction: column; gap: var(--space-md); }
.card--flat { background: var(--bg-elevated); }
.card__icon { width: 48px; height: 48px; border-radius: var(--radius-md); display: grid; place-items: center; background: var(--key); border: 1px solid var(--border); box-shadow: var(--shadow-key); color: var(--text-primary); flex: none; }
.card__icon--wifi { background: var(--wifi-soft); color: var(--wifi); border-color: transparent; box-shadow: inset 0 0 0 1px var(--wifi); }
.card__icon--bt { background: var(--bluetooth-soft); color: var(--bluetooth); border-color: transparent; box-shadow: inset 0 0 0 1px var(--bluetooth); }
.card__icon--ink { background: var(--accent); color: var(--brand-ink); border-color: transparent; box-shadow: none; }
.card__icon--ion { background: var(--brand-secondary-soft); color: var(--brand-secondary); border-color: transparent; box-shadow: inset 0 0 0 1px var(--brand-secondary); }
.checks { list-style: none; display: flex; flex-direction: column; gap: var(--space-sm); }
.checks li { display: flex; gap: var(--space-sm); align-items: flex-start; font: var(--type-body-small); color: var(--text-secondary); }
.checks .am-icon { color: var(--brand-ink); margin-top: 2px; }

/* ============ Modes switcher (SegmentedControl + phone) ============ */
.modes { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: var(--space-3xl); align-items: center; }
@media (max-width: 900px) { .modes { grid-template-columns: minmax(0, 1fr); } .modes .phone { margin: 0 auto; } }
.modes .am-seg { width: 100%; max-width: 560px; overflow-x: auto; scrollbar-width: none; }
.modes .am-seg::-webkit-scrollbar { display: none; }
.modes .am-seg__opt { min-height: 36px; }
.mode-panel { display: flex; flex-direction: column; gap: var(--space-lg); margin-top: var(--space-2xl); min-height: 260px; }
.mode-panel[hidden] { display: none; }
.phone { width: 100%; max-width: 320px; padding: 10px; border-radius: 44px; background: var(--bg-elevated); border: 1px solid var(--border); }
.phone img { width: 100%; aspect-ratio: 1344 / 2992; border-radius: 34px; background: var(--bg-base); object-fit: cover; }
.phone--sm { max-width: 240px; border-radius: 36px; padding: 8px; }
.phone--sm img { border-radius: 28px; }

/* ============ Feature rows ============ */
.feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-3xl); align-items: center; }
.feature + .feature { margin-top: 112px; }
.feature--flip .feature__media { order: -1; }
.feature__media { display: grid; place-items: center; padding: var(--space-2xl); border-radius: var(--radius-xl); background: var(--bg-elevated); border: 1px solid var(--border); background-image: radial-gradient(circle at center, var(--touchpad-dot) 1.25px, transparent 1.75px); background-size: 24px 24px; }
.feature__copy { display: flex; flex-direction: column; gap: var(--space-lg); }
@media (max-width: 860px) { .feature { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); } .feature--flip .feature__media { order: 0; } .feature + .feature { margin-top: 72px; } }
.gesture { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-sm); }
.gesture li { display: flex; flex-direction: column; gap: 2px; padding: var(--space-md) var(--space-lg); border-radius: var(--radius-md); background: var(--surface); border: 1px solid var(--border); }
.gesture b { font: var(--type-label); letter-spacing: var(--type-label-tracking); color: var(--text-primary); }
.gesture span { font: var(--type-body-small); color: var(--text-secondary); }
@media (max-width: 420px) { .gesture { grid-template-columns: minmax(0, 1fr); } }

/* ============ TV support ============ */
.platforms { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--space-lg); }
.platform { border-radius: var(--radius-md); background: var(--surface); border: 1px solid var(--border); padding: var(--space-xl); display: flex; flex-direction: column; gap: var(--space-md); }
.platform.is-unsupported { background: transparent; border-style: dashed; border-color: var(--border-strong); }
.platform__top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); }
.platform__name { font: var(--type-subheading); letter-spacing: var(--type-subheading-tracking); }
.platform__brands { font: var(--type-body-small); color: var(--text-secondary); }
.platform dl { display: grid; grid-template-columns: auto 1fr; gap: var(--space-xs) var(--space-md); margin: 0; font: var(--type-body-small); }
.platform dt { color: var(--text-muted); }
.platform dd { margin: 0; color: var(--text-primary); }
.caps { display: flex; flex-wrap: wrap; gap: 6px; }
.cap { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px; border-radius: var(--radius-full); border: 1px solid var(--border); font: var(--type-label); letter-spacing: var(--type-label-tracking); color: var(--text-primary); background: var(--bg-elevated); }
.cap .am-icon { color: var(--brand-ink); }
.cap.is-off { color: var(--text-muted); border-style: dashed; background: transparent; }
.cap.is-off .am-icon { color: var(--text-muted); }

.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--border); background: var(--surface); }
.table { width: 100%; border-collapse: collapse; min-width: 640px; font: var(--type-body-small); }
.table th, .table td { text-align: left; padding: var(--space-md) var(--space-lg); border-bottom: 1px solid var(--divider); vertical-align: top; }
.table thead th { font: var(--type-label); letter-spacing: var(--type-label-tracking); color: var(--text-secondary); background: var(--bg-elevated); }
.table tbody tr:last-child td { border-bottom: 0; }
.table td:first-child { font-weight: 700; color: var(--text-primary); }
.table .yes { color: var(--text-primary); display: inline-flex; gap: 6px; align-items: center; }
.table .yes .am-icon { color: var(--brand-ink); }
.table .no { color: var(--text-muted); display: inline-flex; gap: 6px; align-items: center; }

/* ============ Steps ============ */
.steps { list-style: none; counter-reset: step; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-lg); }
.steps li { counter-increment: step; display: flex; flex-direction: column; gap: var(--space-sm); padding: var(--space-xl); border-radius: var(--radius-md); background: var(--surface); border: 1px solid var(--border); }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--key); border: 1px solid var(--border); box-shadow: var(--shadow-key); font: 600 15px/1 var(--font-display); font-variant-numeric: tabular-nums; color: var(--text-primary); margin-bottom: var(--space-sm); }
@media (max-width: 860px) { .steps { grid-template-columns: minmax(0, 1fr); } }

/* ============ FAQ (ListGroup rows as disclosures) ============ */
.faq .am-group__rows { overflow: visible; }
.faq details { position: relative; }
.faq details + details::before { content: ""; position: absolute; top: 0; right: 0; left: var(--space-lg); height: 1px; background: var(--divider); }
.faq summary { list-style: none; display: flex; align-items: center; gap: var(--space-md); min-height: 56px; padding: var(--space-md) var(--space-lg); cursor: pointer; font: var(--type-body); color: var(--text-primary); border-radius: var(--radius-md); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span { flex: 1; }
.faq summary .am-icon { color: var(--text-muted); transition: transform var(--duration-fast) var(--ease-standard); }
.faq details[open] summary .am-icon { transform: rotate(180deg); }
.faq summary:active { background: var(--surface-pressed); }
.faq .faq__a { padding: 0 var(--space-lg) var(--space-lg); font: var(--type-body-small); color: var(--text-secondary); display: flex; flex-direction: column; gap: var(--space-sm); max-width: 60em; }
.faq .faq__a b { color: var(--text-primary); }

/* ============ Callouts ============ */
.note { display: flex; gap: var(--space-md); align-items: flex-start; padding: var(--space-lg); border-radius: var(--radius-md); background: var(--surface); border: 1px solid var(--border); font: var(--type-body-small); color: var(--text-secondary); }
.note > .am-icon { flex: none; color: var(--info); margin-top: 2px; }
.note--muted { background: transparent; border-style: dashed; border-color: var(--border-strong); }
.note--muted > .am-icon { color: var(--text-muted); }
.note b { color: var(--text-primary); }

/* ============ CTA band ============ */
.cta { position: relative; overflow: hidden; border-radius: var(--radius-xl); background: var(--bg-elevated); border: 1px solid var(--border); padding: clamp(32px, 6vw, 72px); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-2xl); align-items: center; }
.cta .dotfield { -webkit-mask-image: radial-gradient(ellipse 50% 90% at 100% 50%, #000 0%, transparent 80%); mask-image: radial-gradient(ellipse 50% 90% at 100% 50%, #000 0%, transparent 80%); }
.cta > *:not(.dotfield) { position: relative; }
@media (max-width: 760px) { .cta { grid-template-columns: minmax(0, 1fr); } }

/* Google Play button: our own primary Button; no third-party badge artwork needed. */
.play-btn .am-icon { width: 20px; height: 20px; }

/* ============ Footer ============ */
.footer { padding: 64px 0 calc(32px + env(safe-area-inset-bottom)); margin-top: 0; }
.footer__grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--space-2xl); }
.footer h2 { font: var(--type-label); letter-spacing: var(--type-label-tracking); color: var(--text-secondary); margin-bottom: var(--space-md); }
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.footer li a { display: inline-flex; align-items: center; min-height: 36px; font: var(--type-body-small); color: var(--text-primary); text-decoration: none; }
.footer li a:hover { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--border-strong); }
.footer__base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-lg); align-items: center; margin-top: var(--space-3xl); padding-top: var(--space-xl); border-top: 1px solid var(--divider); }
.footer .am-seg { width: 300px; max-width: 100%; }
@media (max-width: 860px) { .footer__grid { grid-template-columns: 1fr 1fr; } .footer__brand { grid-column: 1 / -1; } }

/* ============ Page head (inner pages) ============ */
.pagehead { position: relative; overflow: hidden; padding: 72px 0 64px; }
.pagehead .dotfield { -webkit-mask-image: radial-gradient(ellipse 45% 100% at 90% 0%, #000 0%, transparent 80%); mask-image: radial-gradient(ellipse 45% 100% at 90% 0%, #000 0%, transparent 80%); }
.pagehead .wrap { position: relative; display: flex; flex-direction: column; gap: var(--space-lg); }
@media (max-width: 720px) { .pagehead { padding: 48px 0 40px; } }

/* Prose (privacy) */
.prose { display: flex; flex-direction: column; gap: var(--space-lg); font: var(--type-body); color: var(--text-secondary); }
.prose h2 { font: var(--type-title); letter-spacing: var(--type-title-tracking); margin-top: var(--space-xl); }
.prose strong { color: var(--text-primary); }
.prose ul { padding-left: 1.2em; display: flex; flex-direction: column; gap: var(--space-sm); }
.prose li::marker { color: var(--text-muted); }

/* Reduced motion: components.css already zeroes animations; also stop the TV tile pop. */
@media (prefers-reduced-motion: reduce) { .tv__tile.is-focus { transform: none; } }
@media (pointer: coarse) { .kb-hint { display: none; } }

/* =====================================================================
   Section patterns (v2). Same rule: tokens only.
   ===================================================================== */

/* Flat page: every section (hero, bands, footer) shares bg-base with the animated dot field (assets/js/bg.js)
   behind it. No colour step and no rule between sections; .section--alt is kept in the markup but unstyled. */
.bg-field { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; image-rendering: pixelated; image-rendering: crisp-edges; opacity: 0; transition: opacity 1.2s ease; }
.bg-field.is-on { opacity: 1; }
.hero .dotfield, .pagehead .dotfield { display: none; }
.section-foot { margin-top: var(--space-2xl); display: flex; flex-wrap: wrap; gap: var(--space-md); align-items: center; }

/* Split: copy + media */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-3xl); align-items: center; }
.split--wide-copy { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); }
.split--top { align-items: start; }
@media (max-width: 860px) { .split, .split--wide-copy { grid-template-columns: minmax(0, 1fr); gap: var(--space-2xl); } }

.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-lg); }
@media (max-width: 1000px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .grid-4 { grid-template-columns: minmax(0, 1fr); } }

/* In-page jump nav: Chips in a sticky strip under the top bar. */
.jumpnav { position: sticky; top: 72px; z-index: calc(var(--z-sticky) - 1); background: color-mix(in srgb, var(--bg-base) 92%, transparent); }
@media (max-width: 860px) { .jumpnav { top: 64px; } }
.jumpnav__in { display: flex; gap: var(--space-sm); overflow-x: auto; padding-top: var(--space-md); padding-bottom: var(--space-md); scrollbar-width: none; }
.jumpnav__in::-webkit-scrollbar { display: none; }
.chip { display: inline-flex; align-items: center; gap: 6px; flex: none; height: 36px; padding: 0 var(--space-md); border-radius: var(--radius-full); border: 1px solid var(--border); background: var(--surface); color: var(--text-secondary); font: var(--type-button-small); letter-spacing: var(--type-button-small-tracking); text-decoration: none; position: relative; transition: color var(--duration-fast) var(--ease-standard), background-color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast); cursor: pointer; }
.chip::after { content: ""; position: absolute; inset: -6px -2px; }
.chip:hover:not(.is-on):not([aria-pressed="true"]):not([aria-current="true"]) { color: var(--text-primary); }
.chip.is-on, .chip[aria-current="true"], .chip[aria-pressed="true"] { background: var(--text-primary); color: var(--bg-base); border-color: var(--text-primary); }
.chip .am-icon { width: 16px; height: 16px; }

/* Who it's for */
.persona { display: flex; flex-direction: column; gap: var(--space-sm); padding: var(--space-xl); border-radius: var(--radius-md); background: var(--surface); border: 1px solid var(--border); }
.persona__icon { width: 40px; height: 40px; border-radius: var(--radius-sm); display: grid; place-items: center; background: var(--key); border: 1px solid var(--border); box-shadow: var(--shadow-key); margin-bottom: var(--space-sm); }
.persona__need { margin-top: auto; padding-top: var(--space-md); border-top: 1px solid var(--divider); font: var(--type-label); letter-spacing: var(--type-label-tracking); color: var(--text-primary); }

/* Big numbered principles */
.principles { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--divider); }
.principles li { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: var(--space-lg); padding: var(--space-2xl) var(--space-xl) var(--space-2xl) 0; border-bottom: 1px solid var(--divider); }
.principles li:nth-child(odd) { border-right: 1px solid var(--divider); }
.principles li:nth-child(even) { padding-left: var(--space-xl); }
.principles__n { font: var(--type-numeric-display); font-size: 40px; line-height: 1; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; color: var(--text-muted); }
.principles h3 { font: var(--type-subheading); letter-spacing: var(--type-subheading-tracking); margin-bottom: var(--space-xs); }
@media (max-width: 760px) { .principles { grid-template-columns: minmax(0, 1fr); } .principles li, .principles li:nth-child(even) { border-right: 0; padding: var(--space-xl) 0; } }

/* Control families table-like list */
.families { display: flex; flex-direction: column; border-radius: var(--radius-md); border: 1px solid var(--border); background: var(--surface); overflow: hidden; }
.family { display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; gap: var(--space-lg); align-items: center; padding: var(--space-lg) var(--space-xl); }
.family + .family { border-top: 1px solid var(--divider); }
.family__shape { display: grid; place-items: center; height: 48px; }
.family__name { font: var(--type-subheading); letter-spacing: var(--type-subheading-tracking); }
.family__tag { font: var(--type-label); letter-spacing: var(--type-label-tracking); color: var(--text-muted); white-space: nowrap; }
@media (max-width: 560px) { .family { grid-template-columns: 56px minmax(0, 1fr); } .family__tag { display: none; } }
.shape-disc { width: 44px; height: 44px; border-radius: 50%; background: var(--key); border: 1px solid var(--border); box-shadow: var(--shadow-key); display: grid; place-items: center; }
.shape-disc::after { content: ""; width: 18px; height: 18px; border-radius: 50%; background: var(--brand-primary); border: 1px solid var(--brand-edge); }
.shape-plane { width: 56px; height: 40px; border-radius: 10px; background-color: var(--touchpad); background-image: radial-gradient(circle at center, var(--touchpad-dot) 1px, transparent 1.5px); background-size: 8px 8px; border: 1px solid var(--brand-secondary); }
.shape-key { width: 40px; height: 40px; border-radius: 12px; background: var(--key); border: 1px solid var(--border); box-shadow: var(--shadow-key); }
.shape-rocker { width: 24px; height: 48px; border-radius: 10px; background: var(--key); border: 1px solid var(--border); box-shadow: var(--shadow-key); }
.shape-pill { width: 64px; height: 28px; border-radius: var(--radius-full); background: var(--key); border: 1px solid var(--border); display: grid; place-items: center; }
.shape-pill::after { content: ""; width: 20px; height: 20px; border-radius: 50%; background: var(--text-primary); }

/* Connection state legend */
.legend { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-sm) var(--space-xl); }
.legend__row { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: var(--space-md); align-items: start; padding: var(--space-md) 0; border-bottom: 1px solid var(--divider); }
.legend__row .am-dot { margin-top: 8px; }
.legend__name { font: var(--type-status); letter-spacing: var(--type-status-tracking); color: var(--text-primary); }
.legend__desc { font: var(--type-body-small); color: var(--text-secondary); }
@media (max-width: 640px) { .legend { grid-template-columns: minmax(0, 1fr); } }

/* PIN cells (PinCode) */
.pin { display: inline-flex; gap: var(--space-sm); }
.pin span { width: 44px; height: 56px; display: grid; place-items: center; border-radius: var(--radius-xs); background: var(--surface); border: var(--border-control) solid var(--border); font: var(--type-keypad); font-variant-numeric: tabular-nums; color: var(--text-primary); }
.pin span.is-active { border-color: var(--focus); }
@media (max-width: 400px) { .pin span { width: 38px; height: 50px; } }

/* Mock TV prompt */
.tvprompt { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-md); background: #0b0d0f; border: 1px solid #262b31; display: grid; place-items: center; padding: 6%; }
.tvprompt__box { width: min(100%, 360px); border-radius: var(--radius-md); background: #1a1e22; border: 1px solid #262b31; padding: var(--space-xl); display: flex; flex-direction: column; gap: var(--space-sm); color: #e9edf1; text-align: center; }
.tvprompt__box p { font: var(--type-body-small); color: #a7b0ba; }
.tvprompt__btns { display: flex; gap: var(--space-sm); justify-content: center; margin-top: var(--space-sm); }
.tvprompt__btns span { padding: 6px 16px; border-radius: var(--radius-sm); font: var(--type-label); background: #252a30; color: #e9edf1; }
.tvprompt__btns span.is-focus { background: #e9edf1; color: #0b0d0f; }

/* Code reference (error codes) */
.codes { width: 100%; border-collapse: collapse; }
.codes td, .codes th { padding: var(--space-md) var(--space-lg); text-align: left; vertical-align: top; border-bottom: 1px solid var(--divider); font: var(--type-body-small); color: var(--text-secondary); }
.codes thead th { font: var(--type-label); color: var(--text-secondary); background: var(--bg-elevated); }
.codes td:first-child { white-space: nowrap; font: var(--type-code); color: var(--text-primary); padding-top: 14px; }
.codes td:nth-child(2) { color: var(--text-primary); }
.codes tr:last-child td { border-bottom: 0; }

/* Gallery: horizontal snap strip of real screens */
.gallery { display: grid; grid-auto-flow: column; grid-auto-columns: 220px; gap: var(--space-xl); overflow-x: auto; padding: var(--space-sm) var(--screen-margin) var(--space-xl); margin: 0 calc(-1 * var(--screen-margin)); scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
@media (min-width: 600px) { .gallery { padding-left: var(--space-2xl); padding-right: var(--space-2xl); margin: 0 calc(-1 * var(--space-2xl)); } }
.gallery figure { margin: 0; scroll-snap-align: start; display: flex; flex-direction: column; gap: var(--space-md); }
.gallery .phone { padding: 6px; border-radius: 30px; }
.gallery .phone img { border-radius: 24px; }
.gallery figcaption { font: var(--type-label); letter-spacing: var(--type-label-tracking); color: var(--text-primary); }
.gallery figcaption span { display: block; font: var(--type-body-small); color: var(--text-secondary); margin-top: 2px; }

/* Docs layout: sticky table of contents + content */
.docs { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: var(--space-3xl); align-items: start; }
.toc { position: sticky; top: 104px; display: flex; flex-direction: column; gap: 2px; }
.toc__title { font: var(--type-label); color: var(--text-muted); margin-bottom: var(--space-sm); padding-left: var(--space-md); }
.toc a { display: flex; align-items: center; min-height: 36px; padding: 0 var(--space-md); border-radius: var(--radius-sm); font: var(--type-body-small); color: var(--text-secondary); text-decoration: none; border-left: 2px solid transparent; }
.toc a:hover { color: var(--text-primary); background: var(--surface); }
.toc a.is-on { color: var(--text-primary); border-left-color: var(--brand-secondary); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: var(--surface); }
@media (max-width: 900px) { .docs { grid-template-columns: minmax(0, 1fr); } .toc { display: none; } }
.docsec { padding: var(--space-2xl) 0; border-bottom: 1px solid var(--divider); display: flex; flex-direction: column; gap: var(--space-md); scroll-margin-top: 104px; }
.docsec:first-child { padding-top: 0; }
.docsec:last-child { border-bottom: 0; }
.docsec h2 { font: var(--type-title); letter-spacing: var(--type-title-tracking); }
.docsec p, .docsec li { font: var(--type-body); color: var(--text-secondary); }
.docsec ul { padding-left: 1.2em; display: flex; flex-direction: column; gap: var(--space-sm); }
.docsec strong { color: var(--text-primary); }
.docsec a { color: var(--text-primary); text-decoration: underline; text-decoration-color: var(--border-strong); text-underline-offset: 3px; }

/* Key/value facts */
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-radius: var(--radius-md); border: 1px solid var(--border); background: var(--surface); overflow: hidden; }
.facts > div { padding: var(--space-xl); display: flex; flex-direction: column; gap: var(--space-xs); }
.facts > div + div { border-left: 1px solid var(--divider); }
.facts b { font: var(--type-title); letter-spacing: var(--type-title-tracking); color: var(--text-primary); }
.facts span { font: var(--type-body-small); color: var(--text-secondary); }
@media (max-width: 860px) { .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); } .facts > div:nth-child(3) { border-left: 0; } .facts > div:nth-child(n+3) { border-top: 1px solid var(--divider); } }
@media (max-width: 440px) { .facts { grid-template-columns: minmax(0, 1fr); } .facts > div + div { border-left: 0; border-top: 1px solid var(--divider); } }

/* Next up (roadmap) */
.next { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-lg); }
.next li { display: flex; flex-direction: column; gap: var(--space-sm); padding: var(--space-xl); border-radius: var(--radius-md); border: 1px dashed var(--border-strong); }
.next li b { font: var(--type-subheading); letter-spacing: var(--type-subheading-tracking); color: var(--text-primary); }
.next li span { font: var(--type-body-small); color: var(--text-secondary); }
@media (max-width: 860px) { .next { grid-template-columns: minmax(0, 1fr); } }

/* Brand finder */
.finder { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-2xl); align-items: start; }
.finder__chips { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.finder__result { min-height: 220px; }
@media (max-width: 860px) { .finder { grid-template-columns: minmax(0, 1fr); } }

/* Compare table (Wi-Fi vs Bluetooth) */
.compare th[scope="col"] .am-icon { display: inline-block; vertical-align: -4px; margin-right: 6px; }
.compare th[scope="col"]:nth-child(2) .am-icon { color: var(--wifi); }
.compare th[scope="col"]:nth-child(3) .am-icon { color: var(--bluetooth); }
.compare tbody th { font: var(--type-label); color: var(--text-primary); text-align: left; padding: var(--space-md) var(--space-lg); border-bottom: 1px solid var(--divider); vertical-align: top; }

/* Settings mock: grouped rows with values / switches (non-interactive here) */
.am-row .am-switch { pointer-events: none; }
.settings-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-xl); align-items: start; }
@media (max-width: 760px) { .settings-cols { grid-template-columns: minmax(0, 1fr); } }

/* Quote-free proof: concrete numbers from the spec */
.spec { display: flex; flex-direction: column; gap: 2px; }
.spec b { font: var(--type-numeric-display); font-size: clamp(36px, 4vw, 48px); line-height: 1.1; letter-spacing: -0.03em; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.spec span { font: var(--type-body-small); color: var(--text-secondary); }

/* Big centred statement */
.statement { text-align: center; max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--space-lg); align-items: center; }
.statement .t-h2 { font-size: clamp(30px, 4vw, 48px); }

/* Steps: 4 across variant */
.steps--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1000px) { .steps--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .steps--4 { grid-template-columns: minmax(0, 1fr); } }

/* Checklist results (connection check) */
.checkrows .am-row__icon.is-pass { background: var(--accent); color: var(--brand-ink); border-color: transparent; }
.checkrows .am-row__icon.is-warn { background: var(--warning-soft); color: var(--warning); border-color: transparent; }
.checkrows .am-row__icon.is-fail { background: var(--error-soft); color: var(--error); border-color: transparent; }
.pagehead .wrap.split { display: grid; }


/* =====================================================================
   Polish (v3): clarity and motion.
   Motion follows the system: ease-out for things entering, duration-slow for content,
   nothing delays a control, and reduced motion removes all of it.
   ===================================================================== */
html { scroll-behavior: smooth; }
html:has(.jumpnav) { scroll-padding-top: 140px; }
@media (max-width: 860px) { html:has(.jumpnav) { scroll-padding-top: 128px; } }
.t-lead, .t-body, .t-small { hyphens: manual; }

/* Clearer type rhythm: kicker -> heading -> lead spacing, and readable measure */
.section-head .t-lead, .section-head .t-body { max-width: 62ch; }
.section-head--center .t-lead { margin: 0 auto; }
.feature__copy .t-body, .split .t-body { max-width: 60ch; }
.t-kicker { color: var(--text-muted); }

/* Top bar gains a hairline only once the page scrolls */
.topbar { border-bottom-color: transparent; transition: border-color var(--duration-base) var(--ease-standard), background-color var(--duration-base) var(--ease-standard); }
.topbar.is-scrolled { border-bottom-color: transparent; }
@supports (backdrop-filter: blur(1px)) { .topbar, .jumpnav { -webkit-backdrop-filter: saturate(1.4) blur(12px); backdrop-filter: saturate(1.4) blur(12px); } }

/* Jump nav: current topic */
.jumpnav .chip.is-on { background: var(--text-primary); color: var(--bg-base); border-color: var(--text-primary); }

/* Equal-height pairing examples */
.pair-examples { align-items: stretch; }
.pair-examples > .card { justify-content: center; align-items: center; text-align: center; }
.pair-examples > .tvprompt { aspect-ratio: auto; min-height: 200px; }

/* Panels that frame media keep the large radius */
.feature__media, .cta, .tvprompt { border-radius: var(--radius-xl); }

/* Cards: quiet interactive affordance only where the card is a link */
a.card, a.platform { text-decoration: none; transition: border-color var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard); }
a.card:hover, a.platform:hover { border-color: var(--border-strong); }

/* Buttons and chips: smooth state changes */
.am-btn, .chip, .am-iconbtn { transition: background-color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-press), box-shadow var(--duration-fast); }
.am-btn--secondary:hover { border-color: var(--border-strong); }
.am-btn--primary:hover { background: var(--brand-primary-pressed); }

/* Images fade in once decoded, so lazy screens don't pop */
.js .phone img { opacity: 0; transition: opacity var(--duration-slow) var(--ease-out); }
.js .phone img.is-loaded { opacity: 1; }

/* Scroll reveal: content rises 12px and fades in, once. Only with JS. */
.js [data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out); transition-delay: calc(var(--i, 0) * 60ms); }
.js [data-reveal].is-in { opacity: 1; transform: none; }

/* FAQ: animated open where the browser supports it */
@supports (interpolate-size: allow-keywords) {
  .faq { interpolate-size: allow-keywords; }
  .faq details::details-content { height: 0; overflow: clip; transition: height var(--duration-base) var(--ease-standard), content-visibility var(--duration-base) allow-discrete; }
  .faq details[open]::details-content { height: auto; }
}

/* Pointer diagrams: two rows so the frame isn't empty */
.mini-tv { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-sm); background: #0b0d0f; border: 1px solid #262b31; padding: 9% 8%; display: grid; grid-template-rows: auto auto; align-content: center; gap: 10%; container-type: inline-size; }
.mini-tv .tv__row + .tv__row { margin-top: 0; }
.mini-tv .tv__tile { font-size: max(10px, 3.4cqi); }
.mini-tv .tv__cursor { width: 7%; height: auto; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal], .js .phone img { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 480px) {
  .hero .row-btns, .pagehead .row-btns, .cta .row-btns { flex-direction: column; align-items: stretch; }
  .hero .row-btns .am-btn, .pagehead .row-btns .am-btn, .cta .row-btns .am-btn { width: 100%; }
}
.hero > .wrap { position: relative; }