:root {
  --app-background: #f0f4fc;
  --card: #ffffff;
  --ink: #101216;
  --muted: #515964;
  --line: #c6ceda;
  --navy: #0d213c;
  --range-good: #145714;
  --range-high: #80470a;
  --range-low: #751a1c;
  --soft-green: #dff2df;
  --focus: #155eef;
  --phone-frame: #1e2022;
  --phone-edge: #5c6267;
}

* { box-sizing: border-box; }
html { background: var(--app-background); }
body { margin: 0; min-width: 320px; color: var(--ink); background: var(--app-background); font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button { font: inherit; }
.skip-link { position: fixed; top: -4rem; left: 1rem; z-index: 5; padding: .75rem 1rem; color: #fff; background: var(--navy); border-radius: .5rem; }
.skip-link:focus { top: 1rem; }

.deck { --stage-min-height: 33rem; --title-body-gap: clamp(1.25rem, 2vw, 1.75rem); width: min(100%, 1440px); height: 100dvh; min-height: 100dvh; margin: auto; padding: clamp(1.25rem, 3vw, 3rem) clamp(1.25rem, 5vw, 5rem) 2rem; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; gap: clamp(1.5rem, 3vw, 3rem); outline: none; }
.topbar, .controls { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .58rem; color: var(--navy); text-decoration: none; }
.brand img { width: 2rem; height: 2rem; border-radius: .54rem; box-shadow: 0 .22rem .55rem rgba(13, 33, 60, .2); }
.brand-word { color: var(--navy); font-size: 1.45rem; font-weight: 800; letter-spacing: -.035em; }
.brand-word span { color: var(--range-good); }
.counter, .eyebrow { color: var(--muted); font: 500 .74rem/1.2 "DM Mono", monospace; letter-spacing: .1em; text-transform: uppercase; }

.slide-content { min-height: var(--stage-min-height); display: grid; grid-template-columns: minmax(0, .88fr) minmax(20rem, 1.12fr); align-items: center; gap: clamp(2rem, 6vw, 7rem); }
.copy { max-width: 37rem; }
.eyebrow { margin: 0 0 1rem; }
.copy h1 { max-width: 12ch; margin: 0; color: var(--navy); font-size: clamp(3rem, 6vw, 6.4rem); font-weight: 800; letter-spacing: -.025em; line-height: 1.02; }
.body { max-width: 39rem; margin-top: var(--title-body-gap); }
.body p { margin: 0; color: var(--muted); font-size: clamp(1.05rem, 1.45vw, 1.3rem); letter-spacing: .012em; line-height: 1.6; }
.cover-identity { display: inline-flex; align-items: center; gap: .55rem; margin-bottom: 1rem; color: var(--navy); font-size: .95rem; font-weight: 800; letter-spacing: -.02em; }
.cover-identity[hidden] { display: none; }
.cover-identity img { width: 2.15rem; height: 2.15rem; border-radius: .58rem; box-shadow: 0 .3rem .8rem rgba(13, 33, 60, .16); }
.deck--cover .slide-content { min-height: var(--stage-min-height); grid-template-columns: 1fr; align-items: stretch; position: relative; }
.deck--cover .copy { max-width: 67rem; align-self: center; }
.deck--cover .copy h1 { max-width: 12ch; font-size: clamp(4rem, 8.25vw, 9rem); letter-spacing: -.06em; line-height: .91; }
.deck--cover .body { max-width: 30ch; }
.deck--cover .cover-identity { display: none; }
.deck--cover [data-eyebrow] { animation: cover-copy-in 580ms cubic-bezier(.22, .8, .3, 1) 40ms both; }
.deck--cover [data-title] { animation: cover-copy-in 720ms cubic-bezier(.22, .8, .3, 1) 110ms both; }
.deck--cover [data-body] { animation: cover-copy-in 620ms cubic-bezier(.22, .8, .3, 1) 250ms both; }
@keyframes cover-copy-in { from { opacity: 0; filter: blur(5px); transform: translateY(1.2rem); } to { opacity: 1; filter: blur(0); transform: translateY(0); } }
.deck--closing .slide-content { min-height: var(--stage-min-height); grid-template-columns: minmax(0, 1fr) minmax(16rem, .55fr); align-items: center; align-content: center; gap: clamp(2rem, 6vw, 6rem); }
.deck--closing .copy { max-width: 47rem; }
.deck--closing .copy h1 { max-width: 15ch; font-size: clamp(3.35rem, 5.8vw, 6.5rem); letter-spacing: -.052em; line-height: .94; }
.deck--closing .body { max-width: 40rem; }
.deck--closing .body p:first-child { color: var(--muted); font-size: clamp(1.08rem, 1.42vw, 1.3rem); font-weight: 400; line-height: 1.52; }
.deck--closing .body p + p { display: none; }
.visual { min-width: 0; }

.phone-frame { margin: 0 auto; padding: clamp(.18rem, .55vw, .3rem); position: relative; overflow: visible; isolation: isolate; display: grid; place-items: center; aspect-ratio: 70.6 / 146.6; background: var(--phone-frame); border: 1px solid var(--phone-edge); border-radius: 16% / 7.7%; box-shadow: 0 1.5rem 3.5rem rgba(13, 33, 60, .22); }
.phone-frame > img { width: auto; max-width: 100%; height: 100%; max-height: 100%; min-width: 0; min-height: 0; z-index: 1; display: block; aspect-ratio: 393 / 852; object-fit: fill; border-radius: 14.6% / 6.8%; }
.phone-island { width: 32%; height: 4%; position: absolute; top: 1.7%; left: 50%; z-index: 2; transform: translateX(-50%); background: #050505; border-radius: 2rem; box-shadow: inset 0 1px rgba(255,255,255,.12); }
.phone-side { width: .18rem; position: absolute; z-index: 0; background: var(--phone-edge); border-radius: .2rem; }
.phone-side--action { height: 4%; top: 19%; left: -.22rem; }
.phone-side--volume-up { height: 6%; top: 26%; left: -.22rem; }
.phone-side--volume-down { height: 6%; top: 34%; left: -.22rem; }
.phone-side--power { height: 11%; top: 29%; right: -.22rem; }

.demo-video { width: 100%; min-height: 0; display: grid; grid-template-columns: minmax(10.5rem, 13.5rem) minmax(0, 1fr); align-items: center; gap: clamp(1.25rem, 3.5vw, 3.75rem); }
.voice-interaction { width: 100%; min-height: 18rem; display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: clamp(.85rem, 2vw, 1.5rem); }
.voice-request-card, .voice-response-card { min-height: 14rem; padding: clamp(1.2rem, 2.5vw, 1.8rem); align-content: center; background: var(--card); border: 1px solid rgba(13, 33, 60, .11); border-radius: 1.45rem; box-shadow: 0 1rem 2.4rem rgba(26, 42, 60, .1); }
.voice-request-card { display: grid; grid-template-columns: 3.25rem minmax(0, 1fr); align-items: center; gap: 1rem; }
.voice-response-card { position: relative; display: grid; gap: 1rem; background: linear-gradient(135deg, #fff 0%, #f3faf3 100%); }
.voice-request-card .siri-orb { width: 3.25rem; height: 3.25rem; border-radius: 1rem; box-shadow: 0 .35rem .9rem rgba(13, 33, 60, .08); }
.voice-step-label { margin: 0; color: var(--range-good); font: 700 .72rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; }
.voice-command { margin: .48rem 0 0; color: var(--navy); font-size: clamp(1.05rem, 1.45vw, 1.3rem); font-weight: 750; letter-spacing: -.02em; line-height: 1.24; }
.voice-wave-bridge { display: grid; justify-items: center; gap: .7rem; color: var(--range-good); }
.voice-wave-bridge .cover-wave { height: 2rem; }
.voice-wave-bridge .cover-wave b { width: .3rem; }
.voice-wave-bridge .cover-wave b:nth-child(1), .voice-wave-bridge .cover-wave b:nth-child(5) { height: .65rem; }
.voice-wave-bridge .cover-wave b:nth-child(2), .voice-wave-bridge .cover-wave b:nth-child(4) { height: 1.25rem; }
.voice-wave-bridge .cover-wave b:nth-child(3) { height: 2rem; }
.voice-response-heading { display: flex; align-items: center; gap: .6rem; }
.voice-speaking-icon { width: 2.3rem; height: 2.3rem; display: grid; place-items: center; flex: 0 0 auto; background: var(--soft-green); border-radius: .72rem; }
.voice-speaking-icon svg { width: 1.35rem; height: 1.35rem; stroke: var(--range-good); stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.voice-response-sentence { margin: 0; color: var(--navy); font-size: clamp(1.12rem, 1.75vw, 1.8rem); font-weight: 500; letter-spacing: -.025em; line-height: 1.32; }
.voice-boundary { grid-column: 1 / -1; margin: .2rem 0 0; padding-top: .8rem; color: var(--muted); border-top: 1px solid var(--line); font-size: .76rem; font-weight: 650; letter-spacing: .01em; }

.question-card { min-height: 19rem; padding: clamp(1.5rem, 4vw, 2.7rem); display: flex; flex-direction: column; justify-content: space-between; background: var(--card); border: 1px solid rgba(13, 33, 60, .1); border-radius: 1.5rem; box-shadow: 0 1rem 2.4rem rgba(26, 42, 60, .1); }
.question-label, .demo-kicker { color: var(--range-good); font: 700 .68rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; }
.question-card p { max-width: 15ch; margin: 1.3rem 0; color: var(--navy); font-size: clamp(2rem, 4vw, 3.6rem); font-weight: 750; letter-spacing: -.015em; line-height: 1.08; }
.question-answer { padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-weight: 700; }
.question-answer b { color: var(--range-good); }

.siri-orb { width: 2.5rem; height: 2.5rem; display: grid; place-items: center; overflow: hidden; border: 1px solid rgba(13, 33, 60, .1); border-radius: .75rem; background: #fff; }
.siri-orb img { width: 100%; height: 100%; display: block; object-fit: cover; }
.cover-wave { display: flex; justify-content: flex-end; align-items: center; gap: .22rem; height: 1.2rem; }
.cover-wave b { width: .22rem; display: block; background: var(--range-good); border-radius: 1rem; }
.cover-wave b:nth-child(1), .cover-wave b:nth-child(5) { height: .4rem; }
.cover-wave b:nth-child(2), .cover-wave b:nth-child(4) { height: .8rem; }
.cover-wave b:nth-child(3) { height: 1.2rem; }

.closing-proof { width: 100%; min-height: 16rem; padding: clamp(1.25rem, 2.4vw, 2rem); display: flex; flex-direction: column; justify-content: space-between; align-items: flex-start; gap: 1.5rem; color: var(--navy); background: var(--card); border: 1px solid rgba(13, 33, 60, .1); border-radius: 1.5rem; box-shadow: 0 1rem 2.4rem rgba(26, 42, 60, .1); }
.closing-heart-wrap { width: 5.25rem; height: 5.25rem; display: grid; place-items: center; background: var(--soft-green); border-radius: 1.35rem; }
.closing-heart { width: 3rem; height: 3rem; fill: var(--range-good); stroke: var(--range-good); stroke-width: 1.2; stroke-linecap: round; stroke-linejoin: round; }
.closing-proof p { margin: 0; font-size: clamp(1.05rem, 1.35vw, 1.25rem); font-weight: 750; letter-spacing: -.018em; line-height: 1.28; }

.flow-wrap { display: grid; gap: 1rem; }
.flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: .75rem; }
.flow span { min-height: 7rem; padding: 1rem; display: grid; align-content: center; background: var(--card); border: 1px solid var(--line); border-radius: 1rem; color: var(--navy); font-weight: 800; line-height: 1.3; box-shadow: 0 .5rem 1.5rem rgba(26, 42, 60, .06); }
.flow i { color: var(--range-good); font-size: 1.6rem; font-style: normal; }
.flow small { color: var(--muted); font-size: .72rem; font-weight: 500; }
.flow-note { margin: 0; padding-top: .9rem; color: var(--muted); border-top: 1px solid var(--line); font-size: .84rem; line-height: 1.4; }
.flow-note b { margin-right: .4rem; color: var(--range-good); font: 700 .74rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; text-transform: uppercase; }

.screen-pair { min-height: 36rem; display: flex; align-items: center; justify-content: center; gap: clamp(.75rem, 1.3vw, 1rem); }
.product-shot { height: clamp(24rem, 44vw, 34rem); margin: 0; position: relative; overflow: hidden; background: var(--card); border: 1px solid rgba(13, 33, 60, .1); border-radius: 1.4rem; box-shadow: 0 1rem 2.4rem rgba(26, 42, 60, .12); }
.product-shot.phone-frame { width: min(100%, 17.25rem); height: auto; flex: 0 0 auto; margin: 0; align-self: center; overflow: visible; background: var(--phone-frame); border-color: var(--phone-edge); border-radius: 16% / 7.7%; }

.voice-card { min-height: 24rem; padding: clamp(1.4rem, 4vw, 2.5rem); display: flex; flex-direction: column; justify-content: space-between; gap: 1rem; background: var(--card); border: 1px solid rgba(13, 33, 60, .1); border-radius: 1.5rem; box-shadow: 0 1rem 2.4rem rgba(26, 42, 60, .1); }
.voice-card-label { margin: 0; color: var(--range-good); font: 700 .75rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; }
.voice-options { display: flex; flex-wrap: wrap; gap: .42rem; }
.voice-options span { padding: .38rem .52rem; color: var(--navy); background: var(--app-background); border: 1px solid var(--line); border-radius: .55rem; font-size: .76rem; font-weight: 750; letter-spacing: -.01em; line-height: 1; }
.voice-value { margin: 0; color: var(--navy); font-size: clamp(3.5rem, 7vw, 6rem); font-weight: 800; letter-spacing: -.07em; line-height: .88; }
.voice-value small { color: var(--muted); font-size: .32em; font-weight: 650; letter-spacing: -.02em; }
.trend-words { display: grid; gap: .55rem; }
.trend-words span { padding: .6rem 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .98rem; font-weight: 650; }
.trend-words b { display: inline-block; width: 2rem; color: var(--navy); font-size: 1.1rem; text-align: center; }

.demo-kicker { margin: 0; }
.driving-video { width: min(100%, 48rem); position: relative; justify-self: end; aspect-ratio: 16 / 9; border: 1px solid var(--line); border-radius: 1.25rem; overflow: hidden; background: #050505; box-shadow: 0 1.4rem 3.2rem rgba(13, 33, 60, .18); }
.driving-video video { width: 100%; height: 100%; display: block; object-fit: cover; cursor: pointer; }
[data-demo-video]:fullscreen,
[data-demo-video]:-webkit-full-screen { width: 100vw; height: 100vh; object-fit: contain; background: #000; }

.video-actions { width: 100%; max-width: 13.5rem; padding: 1.35rem 0; display: grid; justify-items: start; gap: 1rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.video-kicker { margin: 0; color: var(--range-good); font: 700 .75rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; }
.video-statement { margin: 0; color: var(--navy); font-size: 1.35rem; font-weight: 800; letter-spacing: -.035em; line-height: 1.05; }
.video-detail { margin: -.35rem 0 0; color: var(--muted); font-size: .88rem; line-height: 1.42; }
.video-player { height: min(60vh, 34rem); max-width: 100%; position: relative; justify-self: end; overflow: hidden; aspect-ratio: 1180 / 2556; background: #050505; border-radius: 14.6% / 6.8%; box-shadow: 0 .85rem 2.1rem rgba(13, 33, 60, .18); }
.video-player video { width: 100%; height: 100%; display: block; object-fit: contain; cursor: pointer; }
.video-phone-shell { width: min(100%, 17.25rem); height: auto; max-width: 100%; position: relative; justify-self: end; margin: 0; padding: clamp(.18rem, .55vw, .3rem); display: grid; place-items: center; aspect-ratio: 70.6 / 146.6; overflow: visible; isolation: isolate; background: var(--phone-frame); border: 1px solid var(--phone-edge); border-radius: 16% / 7.7%; box-shadow: 0 1.5rem 3.5rem rgba(13, 33, 60, .22); }
.video-phone-shell .video-player { width: auto; max-width: 100%; height: 100%; position: relative; justify-self: center; overflow: hidden; aspect-ratio: 1180 / 2556; background: #050505; border-radius: 14.6% / 6.8%; box-shadow: none; }
.video-phone-shell .video-player video { position: relative; z-index: 1; border-radius: inherit; }
.video-thumbnail-play { --play-position: translate(-50%, -50%); width: 4rem; min-width: 4rem; min-height: 4rem; height: 4rem; position: absolute; top: 50%; left: 50%; z-index: 3; display: grid; place-items: center; padding: 0 0 0 .16rem; color: var(--navy); background: rgba(255, 255, 255, .94); border: 1px solid rgba(255, 255, 255, .98); border-radius: 50%; box-shadow: 0 .7rem 1.5rem rgba(13, 33, 60, .28); cursor: pointer; font-size: 1rem; line-height: 1; opacity: 0; pointer-events: none; transform: var(--play-position) scale(.82); transition: transform 180ms ease-out, box-shadow 180ms ease-out, background 180ms ease-out; }
.media-player.is-ready .video-thumbnail-play { opacity: 1; pointer-events: auto; animation: video-play-entrance 460ms cubic-bezier(.22, .8, .3, 1) both; }
.video-thumbnail-play:hover, .video-thumbnail-play:focus-visible { background: #fff; box-shadow: 0 .9rem 1.8rem rgba(13, 33, 60, .32); transform: var(--play-position) scale(1.06); }
@keyframes video-play-entrance { 0% { opacity: 0; transform: var(--play-position, none) scale(.72); } 68% { opacity: 1; transform: var(--play-position, none) scale(1.08); } 100% { opacity: 1; transform: var(--play-position, none) scale(1); } }
.video-fullscreen { width: 100%; min-height: 4.75rem; padding: .7rem .9rem; position: static; display: inline-flex; align-items: center; justify-content: flex-start; gap: .75rem; background: var(--range-good); border: 1px solid var(--range-good); border-radius: .9rem; box-shadow: 0 .55rem 1.25rem rgba(20, 87, 20, .22); color: #fff; cursor: pointer; text-align: left; transition: transform 180ms ease-out, background 180ms ease-out, box-shadow 180ms ease-out; }
.video-play-symbol { width: 2.45rem; height: 2.45rem; position: relative; display: grid; place-items: center; flex: 0 0 auto; padding-left: .14rem; color: var(--range-good); background: #fff; border-radius: 50%; font-size: .85rem; opacity: 0; transform: scale(.72); }
.video-actions.is-ready .video-play-symbol { opacity: 1; transform: scale(1); animation: video-play-entrance 460ms cubic-bezier(.22, .8, .3, 1) both; }
.video-play-copy { min-width: 0; display: grid; gap: .12rem; }
.video-play-copy strong { font-size: .92rem; line-height: 1.1; }
.video-play-copy small { color: rgba(255, 255, 255, .82); font-size: .72rem; font-weight: 600; line-height: 1.15; }
.video-fullscreen[hidden] { display: none; }
.video-fullscreen:hover, .video-fullscreen:focus-visible { background: #0c4210; border-color: #0c4210; box-shadow: 0 .75rem 1.5rem rgba(20, 87, 20, .28); transform: translateY(-1px); }

.controls { align-self: end; }
.navigation-status { flex: 1; max-width: 14rem; display: grid; gap: .36rem; }
.navigation-hint { margin: 0; color: var(--muted); font-size: .75rem; letter-spacing: .025em; text-align: center; white-space: nowrap; }
.control { min-height: 2.8rem; padding: 0 1rem; color: var(--navy); background: transparent; border: 1px solid var(--line); border-radius: .7rem; cursor: pointer; }
.control--next { color: #fff; background: var(--navy); border-color: var(--navy); }
.control:disabled { opacity: .35; cursor: not-allowed; }
.progress { height: 2px; background: var(--line); }
.progress i { display: block; height: 100%; background: var(--range-good); transform-origin: left; transition: transform 180ms ease-out; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
@media (max-width: 760px) {
  html, body { height: 100%; overflow: hidden; }
  .deck { --stage-min-height: 0; --mobile-nav-height: 5.5rem; width: 100%; height: 100dvh; min-height: 0; padding: 1.35rem 1.25rem calc(var(--mobile-nav-height) + env(safe-area-inset-bottom)); grid-template-rows: auto minmax(0, 1fr); gap: 1rem; }
  .slide-content { min-height: 0; display: grid; grid-template-columns: 1fr; gap: 1.5rem; overflow-y: auto; padding-bottom: 1.5rem; overscroll-behavior-y: contain; -webkit-overflow-scrolling: touch; align-content: start; }
  .controls { min-height: var(--mobile-nav-height); position: fixed; z-index: 10; right: 0; bottom: 0; left: 0; padding: .7rem 1.25rem calc(.7rem + env(safe-area-inset-bottom)); background: rgba(240, 244, 252, .94); border-top: 1px solid var(--line); box-shadow: 0 -.6rem 1.5rem rgba(13, 33, 60, .08); backdrop-filter: blur(12px); }
  .copy h1 { max-width: 12ch; font-size: clamp(2.8rem, 13vw, 4.5rem); }
  .voice-interaction { max-width: 31rem; grid-template-columns: 1fr; justify-items: center; gap: .85rem; margin: 0 auto; text-align: center; }
  .voice-request-card, .voice-response-card { width: 100%; min-height: 0; justify-items: center; text-align: center; }
  .voice-request-card { grid-template-columns: 1fr; }
  .voice-response-heading { justify-content: center; }
  .voice-wave-bridge { display: flex; justify-content: center; align-items: center; gap: .75rem; min-height: 2rem; }
  .voice-boundary { grid-column: auto; text-align: center; }
  .deck--cover .slide-content { min-height: var(--stage-min-height); position: static; gap: 1.7rem; align-content: center; }
  .deck--cover .copy { max-width: 37rem; align-self: center; }
  .deck--cover .copy h1 { max-width: 10ch; font-size: clamp(2.8rem, 13vw, 4.5rem); }
  .deck--cover .visual { position: static; }
  .deck--closing .slide-content { grid-template-columns: 1fr; gap: 1.5rem; }
  .deck--closing .copy h1 { max-width: 15ch; font-size: clamp(3.05rem, 10.6vw, 4.3rem); }
  .closing-proof { min-height: 0; gap: 1.25rem; }
  .closing-heart-wrap { width: 4.5rem; height: 4.5rem; border-radius: 1.15rem; }
  .closing-heart { width: 2.55rem; height: 2.55rem; }
  .flow { grid-template-columns: 1fr; gap: .5rem; }
  .flow i { transform: rotate(90deg); justify-self: center; }
  .flow span { min-height: auto; }
  .screen-pair { min-height: 0; max-width: 31rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
  .product-shot { height: 25rem; }
  .product-shot.phone-frame { width: min(100%, 13.5rem); height: auto; margin: 0 auto; }
  .voice-card { min-height: 0; }
  .demo-video { grid-template-columns: 1fr; gap: 1rem; }
  .video-actions { width: min(100%, 17rem); justify-self: center; }
  .video-phone-shell { width: min(100%, 13.5rem); height: auto; justify-self: center; }
  .driving-video { width: 100%; max-width: 100%; aspect-ratio: 16 / 9; justify-self: center; border-radius: 1rem; }
  .controls .control span { display: none; }
  .navigation-status { max-width: none; }
  .navigation-hint { display: none; }
}
@media (max-width: 520px) {
  .deck--gallery .slide-content { gap: 1.3rem; }
  .deck--gallery .screen-pair { grid-template-columns: 1fr; max-width: 17.25rem; gap: 1rem; margin: 0 auto; }
  .deck--gallery .product-shot.phone-frame { width: min(100%, 14.5rem); }
  .video-phone-shell { width: min(100%, 14.5rem); }
}
@media (max-width: 1100px) and (min-width: 761px) and (orientation: portrait) {
  .deck { --stage-min-height: 0; padding: 2rem clamp(2rem, 7vw, 4rem) 1.5rem; gap: 1.5rem; }
  .deck:not(.deck--cover) .slide-content { min-height: 0; grid-template-columns: 1fr; grid-template-rows: auto auto; align-items: stretch; align-content: center; gap: clamp(2rem, 4vh, 3.25rem); overflow-y: auto; }
  .deck:not(.deck--cover) .copy { width: 100%; max-width: 42rem; }
  .deck:not(.deck--cover) .copy h1 { max-width: 14ch; font-size: clamp(3.2rem, 6.5vw, 4.5rem); }
  .deck:not(.deck--cover) .visual { width: 100%; align-self: center; }
  .screen-pair { min-height: 0; max-width: 34rem; margin: 0 auto; }
  .product-shot.phone-frame { width: min(100%, 13.75rem); }
  .video-phone-shell { width: min(100%, 13.75rem); height: auto; }
}
@media (min-width: 900px) and (max-width: 1100px) and (orientation: portrait) {
  .deck:not(.deck--cover) .slide-content { grid-template-columns: minmax(0, .88fr) minmax(20rem, 1.12fr); grid-template-rows: 1fr; align-items: center; gap: clamp(2rem, 5vw, 4rem); }
  .deck:not(.deck--cover) .copy h1 { font-size: clamp(3.4rem, 6vw, 4.3rem); }
}
@media (min-width: 761px) and (max-width: 1180px) and (orientation: landscape) {
  .deck { --stage-min-height: 0; padding: 2rem clamp(2.5rem, 5vw, 3.75rem) 1.5rem; gap: 1.5rem; }
  .slide-content { min-height: 0; gap: clamp(2rem, 4.5vw, 3.5rem); }
  .copy h1 { font-size: clamp(3rem, 6vw, 5.1rem); }
  .screen-pair { min-height: 0; }
}
@media (max-height: 820px) and (min-width: 761px) and (orientation: landscape) {
  .deck { --stage-min-height: 29rem; }
  .deck--problem { gap: 1.5rem; }
  .screen-pair { min-height: 31rem; }
  .product-shot.phone-frame { width: min(100%, 14.75rem); }
  .video-phone-shell { width: min(100%, 14.75rem); height: auto; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }