/* =========================================================
   Dyson CameraJet – landing page
   ========================================================= */

/* ---------- Fonts (self-hosted Jost, OFL) ---------- */
@font-face{font-family:"Jost";font-style:normal;font-weight:300;font-display:swap;src:url(../fonts/jost-latin-300-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Jost";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/jost-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Jost";font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/jost-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Jost";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/jost-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Jost";font-style:normal;font-weight:300;font-display:swap;src:url(../fonts/jost-latin-ext-300-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Jost";font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/jost-latin-ext-400-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Jost";font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/jost-latin-ext-500-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Jost";font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/jost-latin-ext-600-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

/* ---------- Tokens ---------- */
:root{
  --paper:#F3F8FC;
  --ink:#1B1B1D;
  --ink-soft:#4A4B50;
  --word:#8E8F93;
  --black:#000;
  --white:#fff;
  --mist:#A7A7AB;
  --shop:#7EC92D;
  --jet:#28A4CE;
  --my:#4D3489;

  --font:"Jost","Futura","Futura PT","Century Gothic","Avenir Next",system-ui,sans-serif;

  --pad:clamp(20px,3.25vw,62px);
  --fs-display:clamp(30px,2.55vw,52px);
  --fs-lead:clamp(16px,1.12vw,21px);
  --fs-call-h:clamp(14px,.86vw,17px);
  --fs-call-p:clamp(13px,.8vw,16px);
  --vh:100vh;
}
@supports (height:100svh){ :root{ --vh:100svh; } }

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;background:var(--black);color:var(--ink);
  font-family:var(--font);font-weight:400;line-height:1.35;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,video,svg{display:block;max-width:100%}
h1,h2,h3,p{margin:0}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
sup{font-size:.55em;line-height:0;vertical-align:.85em;margin-left:.06em}
:focus-visible{outline:2px solid var(--jet);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.display{
  font-size:var(--fs-display);font-weight:600;line-height:1.16;letter-spacing:-.012em;
}
.lead{font-size:var(--fs-lead);font-weight:300;line-height:1.36}

/* ---------- Header / brand ---------- */
.site-header{
  position:fixed;z-index:50;top:clamp(18px,5.4vh,56px);left:var(--pad);right:var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  pointer-events:none;
}
.btn-shop--header{pointer-events:auto;height:clamp(40px,2.6vw,50px);padding:0 clamp(18px,1.4vw,26px);font-size:clamp(14px,.9vw,17px)}
.brand{
  pointer-events:auto;display:inline-block;text-decoration:none;
  font-size:clamp(30px,2.45vw,47px);font-weight:600;letter-spacing:-.035em;line-height:1;
  color:var(--ink);transition:color .35s ease;
}
.site-header.on-dark .brand{color:var(--white)}

/* ---------- Scroll ruler ---------- */
.ruler{
  position:fixed;z-index:40;right:clamp(16px,5.2vw,100px);top:50%;
  width:18px;height:46vh;transform:translateY(-50%);
  --tick:rgba(27,27,29,.42);--tick-major:rgba(27,27,29,.7);--thumb:#55565b;
  transition:opacity .4s ease;
}
.ruler.on-dark{--tick:rgba(255,255,255,.35);--tick-major:rgba(255,255,255,.75);--thumb:#e8e8e8}
.ruler-ticks{
  position:absolute;inset:0;
  background:
    linear-gradient(var(--tick-major),var(--tick-major)) 0 0/100% 1px no-repeat,
    linear-gradient(var(--tick-major),var(--tick-major)) 0 16.6667%/100% 1px no-repeat,
    linear-gradient(var(--tick-major),var(--tick-major)) 0 33.3333%/100% 1px no-repeat,
    linear-gradient(var(--tick-major),var(--tick-major)) 0 50%/100% 1px no-repeat,
    linear-gradient(var(--tick-major),var(--tick-major)) 0 66.6667%/100% 1px no-repeat,
    linear-gradient(var(--tick-major),var(--tick-major)) 0 83.3333%/100% 1px no-repeat,
    linear-gradient(var(--tick-major),var(--tick-major)) 0 100%/100% 1px no-repeat,
    repeating-linear-gradient(to bottom,var(--tick) 0 1px,transparent 1px 7px) 50% 0/9px 100% no-repeat;
}
.ruler-thumb{
  position:absolute;left:1px;right:1px;top:0;height:11px;margin-top:-5px;
  background:var(--thumb);border-radius:1px;will-change:transform;
}

/* ---------- Shared: cards, video buttons, shop ---------- */
.card{position:relative;overflow:hidden;border-radius:6px;background:#0b0b0c}
.card img,.card video{width:100%;height:100%;object-fit:cover}

.vbtn{
  position:absolute;right:14px;bottom:14px;z-index:2;width:34px;height:34px;border-radius:50%;
  background:rgba(20,20,22,.62) url(../img/icon-pause.png) center/14px no-repeat;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  transition:background-color .2s ease,transform .2s ease;
}
.vbtn:hover{background-color:rgba(20,20,22,.85)}
.vbtn.is-paused{background-image:url(../img/icon-play.png);background-size:13px;background-position:55% 50%}

.btn-shop{
  display:inline-flex;align-items:center;justify-content:center;
  height:clamp(44px,3.1vw,58px);padding:0 clamp(20px,1.6vw,30px);border-radius:999px;
  background:var(--shop);color:#0f1a05;text-decoration:none;
  font-size:clamp(15px,1vw,19px);font-weight:500;letter-spacing:.005em;
  transition:background-color .2s ease,transform .2s ease;
}
.btn-shop:hover{background:#8fd63f}
.btn-shop:active{transform:scale(.98)}

/* =========================================================
   1. HERO
   ========================================================= */
.hero{position:relative;height:calc(var(--vh) * 2.6);background:var(--paper)}
.hero-sticky{position:sticky;top:0;height:var(--vh);overflow:hidden}

.hero-grid{
  position:absolute;left:50%;top:50%;width:min(76vh,60vw);height:86vh;transform:translate(-50%,-48%);
  background-image:
    linear-gradient(rgba(30,50,70,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(30,50,70,.07) 1px,transparent 1px);
  background-size:68px 68px;background-position:center center;
  -webkit-mask-image:radial-gradient(closest-side,#000 25%,transparent 100%);
          mask-image:radial-gradient(closest-side,#000 25%,transparent 100%);
}
.hero-product{
  position:absolute;left:50%;top:0;height:var(--vh);width:auto;max-width:none;
  transform:translateX(-50%);
}

.hero-title{
  position:absolute;left:8.7vw;top:52%;transform:translateY(-50%);
  font-size:var(--fs-display);font-weight:600;line-height:1.2;letter-spacing:-.012em;color:var(--ink);
}
.ht{display:flex;flex-direction:column}
.ht-line{display:block;white-space:nowrap}
.ht-not{display:inline-block;overflow:hidden;vertical-align:bottom;white-space:nowrap}
.ht-not>span{display:inline-block}
.ht-window{display:block;height:0;overflow:hidden}
.ht-list{display:flex;flex-direction:column;color:var(--word)}
.ht-list span{display:block;white-space:nowrap}
.ht-list .d{display:inline-block;font-style:normal;transform:scaleX(.62);margin:0 -.1em}

.product-name{
  position:absolute;left:68.6vw;top:50%;transform:translateY(-50%);
  font-size:clamp(34px,3.45vw,68px);font-weight:500;letter-spacing:-.025em;line-height:1;color:var(--ink);
}
.product-name .jet{color:var(--jet)}

.scroll-cue{
  position:absolute;left:var(--pad);bottom:clamp(14px,2.6vh,26px);
  display:flex;align-items:center;gap:12px;font-size:clamp(14px,.95vw,18px);font-weight:300;color:var(--ink-soft);
}
.mouse{position:relative;width:20px;height:31px;border:1.8px solid var(--ink-soft);border-radius:10px}
.mouse i{position:absolute;left:50%;top:50%;width:3px;height:3px;margin:-1.5px 0 0 -1.5px;border-radius:50%;background:var(--ink-soft);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%{transform:translateY(-6px);opacity:0}30%{opacity:1}100%{transform:translateY(7px);opacity:0}}

/* =========================================================
   2. GAPS (dark)
   ========================================================= */
.gaps{
  position:relative;display:grid;background:var(--black);color:var(--white);
  padding-bottom:12vh;
}
.gaps>*{grid-area:1/1}
.gaps-copy{
  position:sticky;top:22vh;align-self:start;z-index:2;
  padding:0 var(--pad);max-width:calc(var(--pad) + 42vw);margin-top:30vh;margin-bottom:24vh;
}
.gaps-copy .lead{margin-top:.75em;max-width:36em;color:rgba(255,255,255,.92)}
.swatches{display:flex;flex-direction:column;align-items:flex-start;gap:12px;margin-top:clamp(20px,2.6vh,30px)}
.swatch{
  display:inline-flex;align-items:center;gap:12px;min-width:clamp(210px,14.6vw,280px);
  height:clamp(48px,3.4vw,64px);padding:0 22px 0 8px;border-radius:999px;
  background:#1a1a1b;border:1.5px solid #2a2a2c;color:#f2f2f2;
  font-size:clamp(14px,1.08vw,20px);font-weight:400;
  transition:background-color .25s ease,border-color .25s ease;
}
.swatch:hover{border-color:#5a5a5e}
.swatch.is-active{background:#3a3836;border-color:#c9c6c3}
.swatch-dot{width:clamp(32px,2.4vw,46px);height:clamp(32px,2.4vw,46px);border-radius:50%;background:var(--c);flex:none}

.gaps-media{position:relative;width:57vw;margin-left:39.5vw;z-index:1}
.gaps-img{width:100%;height:auto;transition:opacity .6s ease}
.gaps-img+.gaps-img{position:absolute;inset:0}
.gaps-img:not(.is-active){opacity:0}

/* =========================================================
   3. FEATURES (horizontal, scroll-driven)
   ========================================================= */
.features{
  position:relative;background:var(--paper);color:var(--ink);
  height:calc(var(--vh) * 4.6);
  --gap:32px;
}
.features-sticky{position:sticky;top:0;height:var(--vh);overflow:hidden}
.features-track{
  display:flex;gap:var(--gap);height:100%;padding-left:var(--pad);will-change:transform;
}
.slide{
  flex:0 0 calc(100vw - var(--pad) * 2);display:flex;gap:var(--gap);
  align-items:flex-end;height:100%;padding-bottom:5.2vh;
}
.slide-side{flex:0 0 40.5%;height:78vh;display:flex;flex-direction:column}
.slide-side .lead{margin-top:.45em;color:var(--ink-soft);max-width:34em}
.slide-side .note{margin-top:.5em;font-size:12px;color:var(--word)}
.card-sm{flex:1 1 0;min-height:0;margin-top:clamp(14px,2.6vh,28px)}
.card-lg{flex:1 1 auto;height:78vh}
.fade-unit{transition:opacity .45s ease}
.fade-unit.is-dim{opacity:.28}

.features-nav{display:none}

/* =========================================================
   4. ANATOMY (dark, scroll-driven exploded view)
   ========================================================= */
.anatomy{position:relative;height:calc(var(--vh) * 7.6);background:var(--black);color:var(--white)}
.anatomy-sticky{position:sticky;top:0;height:var(--vh);overflow:hidden;background:var(--black)}
.anat-layer{
  position:absolute;left:0;top:0;transform-origin:0 0;will-change:transform,opacity;opacity:0;
}
.anat-layer img{width:100%;height:100%;max-width:none}
.anat-layer img.flip{transform:scaleX(-1)}
.anat-layer[data-layer="head"]{
  -webkit-mask-image:radial-gradient(closest-side,#000 70%,transparent 100%);
          mask-image:radial-gradient(closest-side,#000 70%,transparent 100%);
}
.anat-layer[data-layer="overview"]{
  -webkit-mask-image:radial-gradient(closest-side,#000 60%,transparent 100%);
          mask-image:radial-gradient(closest-side,#000 60%,transparent 100%);
}
.anat-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.anat-lines line{stroke:rgba(255,255,255,.62);stroke-width:1}
.anat-callouts{position:absolute;inset:0;pointer-events:none}
.callout{
  position:absolute;width:clamp(200px,13.4vw,260px);opacity:0;
  will-change:opacity,transform;
}
.callout h3{font-size:var(--fs-call-h);font-weight:500;line-height:1.3;margin-bottom:.4em}
.callout p{font-size:var(--fs-call-p);font-weight:300;line-height:1.45;color:rgba(255,255,255,.82)}

/* =========================================================
   5. APP (dark)
   ========================================================= */
.app{position:relative;background:var(--black);color:var(--white)}
.app-intro{
  min-height:calc(var(--vh) * .95);display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:12vh var(--pad) 6vh;
}
.mydyson{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:clamp(22px,3.6vh,36px);
  font-size:clamp(22px,1.75vw,34px);font-weight:600;letter-spacing:-.03em;line-height:1;
}
.mydyson .my{
  display:grid;place-items:center;width:1.95em;height:1.95em;border-radius:.3em;background:var(--my);
  font-weight:500;letter-spacing:0;
}
.app-intro .lead{margin-top:1em;max-width:34em;color:rgba(255,255,255,.88);font-size:clamp(15px,1vw,19px)}

.app-stage{position:relative;height:calc(var(--vh) * 4.4)}
.app-sticky{position:sticky;top:0;height:var(--vh);overflow:hidden}
.app-glow{
  position:absolute;left:50%;top:50%;width:min(130vh,110vw);height:min(130vh,110vw);transform:translate(-50%,-50%);
  background:radial-gradient(closest-side,rgba(78,78,82,.55),rgba(30,30,32,.35) 45%,transparent 100%);
  pointer-events:none;
}

.phone{
  --u:calc(var(--vh) * .94 / 80);
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:calc(var(--u) * 39.5);height:calc(var(--u) * 80);
  border-radius:calc(var(--u) * 5.8);padding:calc(var(--u) * .7);
  background:#1b1b1d;
  box-shadow:inset 0 0 0 calc(var(--u)*.25) #3a3a3d,0 calc(var(--u)*2) calc(var(--u)*8) rgba(0,0,0,.6);
  color:#fff;
}
.phone-screen{position:relative;width:100%;height:100%;border-radius:calc(var(--u) * 5.1);overflow:hidden;background:#000}
.island{position:absolute;z-index:5;left:50%;top:calc(var(--u)*1.2);width:calc(var(--u)*10.5);height:calc(var(--u)*3);margin-left:calc(var(--u)*-5.25);border-radius:999px;background:#000}

.ph{position:absolute;inset:0;opacity:0;transition:opacity .55s ease;display:flex;flex-direction:column}
.ph.is-active{opacity:1}
.ph small{display:block;font-size:calc(var(--u)*1.25);color:#9b9ba0;font-weight:400;line-height:1.3}
.ph b{font-weight:500}

.ph-head{
  position:relative;flex:none;height:calc(var(--u)*9.4);display:flex;align-items:flex-end;justify-content:center;
  padding-bottom:calc(var(--u)*1.8);font-size:calc(var(--u)*1.55);font-weight:500;
}
.ph-x,.ph-back{position:absolute;bottom:calc(var(--u)*1.85);width:calc(var(--u)*1.4);height:calc(var(--u)*1.4)}
.ph-x{right:calc(var(--u)*2.4)}
.ph-x::before,.ph-x::after{content:"";position:absolute;left:50%;top:50%;width:140%;height:1.5px;background:#ddd;transform:translate(-50%,-50%) rotate(45deg)}
.ph-x::after{transform:translate(-50%,-50%) rotate(-45deg)}
.ph-back{left:calc(var(--u)*2.4);border-left:1.5px solid #aaa;border-bottom:1.5px solid #aaa;transform:rotate(45deg) scale(.7)}

.ph-video{position:relative;flex:none;height:calc(var(--u)*37);background:#000;overflow:hidden}
.ph-video video{width:100%;height:100%;object-fit:cover}
.ph-pause{
  position:absolute;right:calc(var(--u)*1.6);bottom:calc(var(--u)*1.6);width:calc(var(--u)*2.6);height:calc(var(--u)*2.6);border-radius:50%;
  background:rgba(0,0,0,.55) url(../img/icon-pause.png) center/45% no-repeat;
}
.ph-video--private::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.38)}
.ph-shield{
  position:absolute;z-index:2;left:50%;top:50%;width:46%;transform:translate(-50%,-50%);overflow:visible;
  fill:none;stroke:#fff;stroke-width:6;stroke-linecap:round;stroke-linejoin:round;
  filter:drop-shadow(0 0 6px rgba(255,255,255,.85)) drop-shadow(0 0 18px rgba(255,255,255,.45));
}
.ph-stats{display:grid;grid-template-columns:1fr 1fr;gap:calc(var(--u)*1.5);padding:calc(var(--u)*2.6) calc(var(--u)*2.4) 0}
.ph-stats b,.ph-mode b{display:block;font-size:calc(var(--u)*2.05);line-height:1.25}
.ph-battery{display:flex;align-items:center;gap:calc(var(--u)*.8);padding:calc(var(--u)*2.2) calc(var(--u)*2.4) 0;font-size:calc(var(--u)*1.3)}
.ph-battery i{position:relative;width:calc(var(--u)*2.2);height:calc(var(--u)*1.1);border-radius:2px;background:#fff}
.ph-battery i::after{content:"";position:absolute;right:calc(var(--u)*-.35);top:25%;width:calc(var(--u)*.22);height:50%;background:#fff;border-radius:0 1px 1px 0}
.ph-cta{
  margin:auto calc(var(--u)*2.2) calc(var(--u)*2.6);height:calc(var(--u)*4.6);border-radius:calc(var(--u)*1.2);
  display:grid;place-items:center;background:#fff;color:#000;font-size:calc(var(--u)*1.45);font-weight:500;
}
.ph-cta--muted{background:#8a8a8d;color:#111}

.ph-guided{flex:1;display:flex;flex-direction:column;align-items:center;padding-top:calc(var(--u)*1.2)}
.ph-guided .ph-zone{font-size:calc(var(--u)*1.3)}
.ph-timer{font-size:calc(var(--u)*4.2);font-weight:300;letter-spacing:.02em;line-height:1.2;font-variant-numeric:tabular-nums}
.ph-teeth{width:calc(var(--u)*30);height:auto;margin-top:calc(var(--u)*2)}
.ph-mode{padding:0 calc(var(--u)*2.4)}
.ph-battery--low{padding-bottom:calc(var(--u)*3.4)}

.ph-summary{flex:1;padding:0 calc(var(--u)*1.8);display:flex;flex-direction:column;gap:calc(var(--u)*1.2);overflow:hidden}
.ph-sum-title b{display:block;font-size:calc(var(--u)*1.8)}
.ph-card{background:#1c1c1e;border-radius:calc(var(--u)*1.4);padding:calc(var(--u)*1.6)}
.ph-card p{margin-top:calc(var(--u)*1.2);font-size:calc(var(--u)*1.2);line-height:1.45;color:#a0a0a5}
.ph-rating{display:flex;align-items:baseline;gap:calc(var(--u)*.8);margin-top:calc(var(--u)*.6)}
.ph-rating b{font-size:calc(var(--u)*2.3)}
.ph-rating small{display:inline}
.dot{width:calc(var(--u)*1);height:calc(var(--u)*1);border-radius:50%;align-self:center}
.dot--fair{background:#E79A3C}
.dot--good{background:#36B37E}
.ph-map{width:72%;margin:calc(var(--u)*.8) auto 0}
.ph-map-sides{display:flex;justify-content:space-between;margin-top:calc(var(--u)*-.6)}
.ph-legend{display:flex;align-items:center;gap:calc(var(--u)*.8);margin-top:calc(var(--u)*1.4)}
.ph-legend span{flex:1;height:calc(var(--u)*.45);border-radius:9px;background:linear-gradient(90deg,#4a3aa8,#d8d8ff)}
.ph-axis{display:flex;justify-content:space-between;margin-top:calc(var(--u)*.4)}

.app-notes{position:absolute;inset:0;pointer-events:none}
.app-note{
  position:absolute;top:44%;width:min(24vw,460px);transform:translateY(-50%);
  opacity:0;transition:opacity .55s ease,transform .55s ease;
}
.app-note.is-left{left:5.2vw}
.app-note.is-right{left:69vw}
.app-note.is-active{opacity:1}
.app-note h3{font-size:clamp(17px,1.2vw,23px);font-weight:500;margin-bottom:.35em}
.app-note p{font-size:clamp(14px,.95vw,18px);font-weight:300;line-height:1.45;color:rgba(255,255,255,.82)}

/* =========================================================
   6. ENDING
   ========================================================= */
.ending{position:relative;height:var(--vh);min-height:520px;overflow:hidden;background:#000;color:#fff}
.ending-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ending-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,.15) 55%,rgba(0,0,0,0) 100%)}
.ending-copy{position:absolute;left:var(--pad);top:50%;transform:translateY(-45%);max-width:46vw}
.ending-copy .lead{margin-top:.5em;font-size:clamp(14px,.95vw,18px)}
.ending-copy .btn-shop{margin-top:clamp(20px,3vh,32px)}
.vbtn--ending{right:var(--pad);bottom:clamp(18px,3vh,30px)}

/* =========================================================
   7. FOOTER
   ========================================================= */
.site-footer{position:relative;z-index:1;background:#000;color:#fff;padding:clamp(28px,5vh,48px) var(--pad) clamp(28px,4.5vh,44px)}
.footer-top{display:flex;align-items:center;gap:20px}
.brand--static{color:#fff;pointer-events:none}
.rule{flex:1;height:1px;background:rgba(255,255,255,.22)}
.footnotes{
  list-style:none;counter-reset:fn;margin:clamp(32px,6vh,56px) 0 0;padding:0 0 clamp(48px,10vh,96px);
  border-bottom:1px solid rgba(255,255,255,.22);
  font-size:clamp(12px,.72vw,14px);font-weight:300;line-height:1.5;color:rgba(255,255,255,.62);
}
.footnotes li{counter-increment:fn;margin-bottom:.55em;max-width:120ch}
.footnotes li::before{content:counter(fn);font-size:.72em;vertical-align:.55em;margin-right:.35em}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:clamp(24px,4vh,40px);flex-wrap:wrap}
.brand--lg{font-size:clamp(32px,2.65vw,50px)}
.footer-links{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;font-size:clamp(13px,.8vw,15px);font-weight:300;color:rgba(255,255,255,.75)}
.footer-links a{text-decoration:none}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-links span{color:#fff;margin-left:10px}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1100px){
  .ruler{right:14px}
  .app-note{width:26vw}
}

@media (max-width:800px){
  :root{--pad:20px;--fs-display:30px;--fs-lead:16px}
  .ruler{display:none}
  .site-header{top:0;left:0;right:0;padding:14px var(--pad) 12px;background:rgba(243,248,252,.9);
    -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:background-color .35s ease}
  .site-header.on-dark{background:rgba(0,0,0,.78)}
  .brand{font-size:28px}
  .btn-shop--header{height:36px;padding:0 16px;font-size:14px}

  /* hero */
  .hero{height:calc(var(--vh) * 2.3)}
  .hero-grid{width:100vw;height:70vh}
  .hero-product{left:81%;height:calc(var(--vh) * .9);top:5%}
  .hero-title{left:var(--pad);top:50%;font-size:20px}
  .product-name{left:var(--pad);top:auto;bottom:calc(var(--vh) * .12);transform:none;font-size:34px}

  /* gaps */
  .gaps{display:block;padding-bottom:6vh}
  .gaps-copy{position:relative;top:auto;max-width:none;margin:0;padding:18vh var(--pad) 4vh}
  .gaps-media{width:118vw;margin-left:-9vw}
  .swatch{min-width:0;padding-right:18px}

  /* features: native swipe */
  .features{height:auto;padding:16vh 0 8vh}
  .features-sticky{position:relative;height:auto;overflow:visible}
  .features-track{
    overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;transform:none!important;
    padding:0 var(--pad);gap:16px;height:auto;scroll-padding:0 var(--pad);
  }
  .features-track::-webkit-scrollbar{display:none}
  .slide{flex:0 0 86vw;flex-direction:column;align-items:stretch;padding:0;gap:14px;height:auto;scroll-snap-align:start}
  .slide-side{flex:none;height:auto}
  .card-sm{flex:none;aspect-ratio:16/11;margin-top:16px}
  .card-lg{flex:none;height:auto;aspect-ratio:1/1}
  .fade-unit.is-dim{opacity:1}
  .features-nav{display:flex;gap:10px;justify-content:flex-end;padding:18px var(--pad) 0}
  .chev{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#e4eaf0}
  .chev:disabled{opacity:.35}

  /* anatomy */
  .anatomy{height:calc(var(--vh) * 7)}
  .anat-lines{display:none}
  .anat-callouts{
    inset:auto 0 0 0;display:flex;flex-direction:column;gap:14px;
    padding:60px var(--pad) calc(28px + env(safe-area-inset-bottom,0px));
    background:linear-gradient(to top,rgba(0,0,0,.92) 55%,rgba(0,0,0,0));
  }
  .callout{position:relative;width:auto;left:auto!important;top:auto!important}
  .callout:not(.is-on){display:none}
  .callout h3{font-size:15px}
  .callout p{font-size:14px}

  /* app */
  .phone{--u:min(calc(var(--vh) * .62 / 80),calc(78vw / 39.5));top:42%}
  .app-note{left:var(--pad)!important;right:var(--pad);width:auto;top:auto;bottom:4vh;transform:none;text-align:center}
  .app-note p{max-width:30em;margin:0 auto}

  /* ending */
  .ending-copy{max-width:none;right:var(--pad);top:auto;bottom:12vh;transform:none}
  .ending-shade{background:linear-gradient(0deg,rgba(0,0,0,.7) 0%,rgba(0,0,0,.1) 60%)}

  /* footer */
  .footer-links span{margin-left:0;width:100%}
}

@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .mouse i{animation:none}
  .ph,.app-note,.fade-unit,.gaps-img{transition:none}
}