/* vacuum.acific.com — product pages in the teenage engineering manner:
   lowercase, quiet grey bands, the object in the middle, tiny uppercase captions, a spec sheet at the end. */
/* Inter Tight (SIL Open Font License, see /assets/fonts/OFL.txt), served from this site: no third-party requests. */
@font-face { font-family: "Inter Tight"; font-style: normal; font-weight: 300; font-display: swap; src: url("/assets/fonts/inter-tight-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter Tight"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/inter-tight-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter Tight"; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/inter-tight-latin-500-normal.woff2") format("woff2"); }
:root {
  --paper: #f0f0ef; --band: #c9cacb; --band-2: #e4e4e3; --ink: #000; --mid: #4d4d4d; --soft: #8a8a8a; --hair: #b9b9b9;
  --link: #2f6fdb; --night: #0b0b0c;
  --sans: "Inter Tight", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --gut: clamp(16px, 4.5vw, 36px);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { background: var(--paper); color: var(--ink); font-family: var(--sans); font-weight: 400; font-size: 16px; line-height: 1.32;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
::selection { background: var(--ink); color: var(--paper); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
:focus-visible { outline: 1px solid var(--ink); outline-offset: 3px; }
.blue { color: var(--link); } .blue:hover { text-decoration: underline; }

/* ---------- nav: wordmark, line-drawn sections with tiny sub-links, a dense text block, the outline mark ---------- */
.nav { position: relative; z-index: 2; display: flex; align-items: flex-start; gap: clamp(14px, 3vw, 44px);
  padding: 14px var(--gut) 0; height: 78px; background: var(--top, var(--band)); }
.word { font-size: 15px; line-height: 1.12; color: #3c3c3c; flex: none; padding-top: 1px; }
.word b { font-weight: 400; color: var(--ink); }
.sec { display: grid; grid-template-columns: auto auto; column-gap: 8px; align-items: start; color: #3c3c3c; }
.sec svg { grid-row: 1 / 3; width: 40px; height: 42px; fill: none; stroke: currentColor; stroke-width: 1; vector-effect: non-scaling-stroke; opacity: .62;
  transition: opacity .3s, transform .5s var(--ease); }
.sec > a { font-size: 15px; line-height: 1; color: #3c3c3c; }
.sec small { font-size: 8.5px; line-height: 1.22; color: #555; padding-top: 6px; letter-spacing: .01em; }
.sec small a { display: block; } .sec small a:hover { color: var(--ink); }
.sec:hover svg, .sec[aria-current] svg { opacity: 1; }
.sec:hover svg { transform: rotate(-8deg); }
.sec[aria-current] > a { color: var(--ink); }
.dense { margin-left: auto; width: 128px; font-size: 6.5px; line-height: 1.32; color: #555; text-transform: uppercase; letter-spacing: .02em; padding-top: 2px; }
.mark { width: 46px; height: 46px; flex: none; opacity: .55; transition: opacity .3s, transform .6s var(--ease); }
.mark:hover { opacity: 1; transform: rotate(-10deg); }

/* ---------- hero band ---------- */
.hero { background: var(--band); text-align: center; padding: clamp(26px, 5vw, 56px) var(--gut) 0; overflow: hidden; }
.tag-line { font-size: clamp(28px, 4.2vw, 44px); font-weight: 400; letter-spacing: -0.025em; line-height: 1.05; }
.stage { position: relative; margin: clamp(30px, 5vw, 60px) auto 0; width: min(68vw, 380px); }
.hero .stage { margin-bottom: -1px; }
.hero .stage::after { content: ""; position: absolute; left: 6%; right: 6%; bottom: 0; height: 26px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(0,0,0,.28), transparent); transform: translateY(50%); }

/* the phone: a titanium edge, black bezel, the app screenshot as the screen */
.phone { position: relative; border-radius: 15.5% / 7.2%; padding: 3.2%; background: #0d0d0f;
  box-shadow: 0 0 0 1.5px #8d8f93, 0 0 0 3px #d3d4d6, 0 0 0 4px #9a9ca0, 0 40px 70px -30px rgba(0,0,0,.45); }
.phone img { width: 100%; border-radius: 12.6% / 5.9%; }
.phone::before { content: ""; position: absolute; top: 3.9%; left: 50%; width: 28%; height: 2.9%; transform: translateX(-50%);
  background: #000; border-radius: 999px; z-index: 1; }
.phone .side { position: absolute; right: -4px; top: 24%; width: 3px; height: 10%; border-radius: 0 2px 2px 0; background: #a6a8ac; }
.phone .side.l { right: auto; left: -4px; top: 18%; height: 5%; border-radius: 2px 0 0 2px; }
.phone .side.l2 { right: auto; left: -4px; top: 26%; height: 8%; border-radius: 2px 0 0 2px; }

/* NameDrop light: an iridescent halo and rim that turn slowly, a sweep of light down the screen, a glare that follows you */
@property --spin { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@keyframes spin { to { --spin: 360deg; } }
.tilt { position: relative; transform: perspective(1400px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .6s var(--ease); }
.tilt .phone { z-index: 1; }
.halo { position: absolute; inset: -18px; border-radius: 18% / 8.5%; z-index: 0; opacity: .5; filter: blur(30px);
  background: conic-gradient(from var(--spin), #5eead4, #8b7cff, #ff9ad5, #f0c64a, #5eead4); animation: spin 9s linear infinite; transition: opacity .6s; }
.tilt.lit .halo { opacity: .75; }
.tilt .phone::after { content: ""; position: absolute; inset: -6px; border-radius: 17% / 7.8%; padding: 1.5px; pointer-events: none;
  background: conic-gradient(from var(--spin), #5eead4, #8b7cff, #ff9ad5, #f0c64a, #5eead4); animation: spin 9s linear infinite; opacity: .85;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); }
.sweep { position: absolute; inset: 3.2%; border-radius: 12.6% / 5.9%; overflow: hidden; pointer-events: none; mix-blend-mode: screen; }
.sweep::before { content: ""; position: absolute; left: -20%; right: -20%; top: -50%; height: 45%; filter: blur(8px);
  background: linear-gradient(180deg, transparent, rgba(94,200,255,.12) 25%, rgba(150,120,255,.35) 44%, rgba(255,255,255,.6) 52%, rgba(255,150,220,.32) 60%, transparent); }
.stage.in .sweep::before { animation: sweep 2.6s 1.1s cubic-bezier(.5, 0, .2, 1) forwards; }
.tilt.lit .sweep::before { animation: sweep2 2.2s cubic-bezier(.5, 0, .2, 1) forwards; }
@keyframes sweep { to { transform: translateY(340%); } }
@keyframes sweep2 { from { transform: none; } to { transform: translateY(340%); } }
.sweep::after { content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .5s;
  background: radial-gradient(circle at var(--gx, 50%) var(--gy, 30%), rgba(255,255,255,.2), transparent 45%); }
.tilt.lit .sweep::after { opacity: 1; }

/* ---------- the touch: a pinned, scroll-driven scene ---------- */
.touch { position: relative; height: 420vh; background: var(--night); color: #ececec; margin-top: clamp(80px, 12vw, 150px); }
.touch-pin { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.touch canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.touch-copy { position: absolute; left: 0; right: 0; top: clamp(36px, 8vh, 90px); text-align: center; padding: 0 var(--gut); pointer-events: none; }
.touch-step { position: absolute; left: var(--gut); right: var(--gut); opacity: 0; transform: translateY(12px); filter: blur(8px);
  transition: opacity .7s var(--ease), transform .7s var(--ease), filter .7s var(--ease); }
.touch-step.on { opacity: 1; transform: none; filter: none; }
.touch-step h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 400; letter-spacing: -0.025em; line-height: 1.08; }
.touch-step p { margin: 12px auto 0; max-width: 420px; font-size: 15px; line-height: 1.38; color: #9a9a9a; }
.touch-rail { position: absolute; left: var(--gut); right: var(--gut); bottom: clamp(16px, 3vh, 28px); list-style: none; display: flex; justify-content: space-between;
  border-top: 1px solid #2a2a2c; padding-top: 8px; font-size: 8.5px; letter-spacing: .08em; text-transform: uppercase; color: #555; }
.touch-rail li { transition: color .5s; }
.touch-rail li.on { color: #ddd; }
.touch.still { height: auto; }
.touch.still .touch-pin { position: relative; }
.touch + .copy { padding-top: clamp(80px, 12vw, 150px); }

/* ---------- the hero you can play with ---------- */
.hero { position: relative; }
.hero-fx { position: absolute; left: 0; top: 0; pointer-events: none; z-index: 0; }
.hero > :not(.hero-fx) { position: relative; z-index: 1; }
.hero .stage { z-index: 1; }
.console { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: clamp(18px, 3vw, 28px); position: relative; }
.key { appearance: none; border: 0; cursor: pointer; display: inline-flex; align-items: center; gap: 9px; height: 42px; padding: 0 18px 0 14px;
  border-radius: 11px; font: 500 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: #2b2b2b;
  background: linear-gradient(#f6f6f5, #dededd);
  box-shadow: inset 0 1px 0 #fff, inset 0 -2px 0 rgba(0,0,0,.07), 0 3px 0 #a3a4a5, 0 8px 16px -8px rgba(0,0,0,.45);
  transition: transform .08s, box-shadow .08s; -webkit-tap-highlight-color: transparent; }
.key:active, .key[aria-checked="true"] { transform: translateY(2px); box-shadow: inset 0 1px 0 #fff, inset 0 -1px 0 rgba(0,0,0,.07), 0 1px 0 #a3a4a5, 0 4px 10px -6px rgba(0,0,0,.4); }
.led { width: 8px; height: 8px; border-radius: 50%; background: #16a34a; box-shadow: 0 0 0 2px rgba(0,0,0,.08), 0 0 8px rgba(22,163,74,.7); transition: background .25s, box-shadow .25s; }
.key[aria-checked="true"] .led { background: #e5484d; box-shadow: 0 0 0 2px rgba(0,0,0,.08), 0 0 10px rgba(229,72,77,.9); }
.readout { display: inline-flex; align-items: baseline; gap: 8px; height: 42px; padding: 0 14px; border-radius: 10px; background: #111; color: #4ade80;
  box-shadow: inset 0 2px 6px rgba(0,0,0,.6), 0 1px 0 rgba(255,255,255,.5); align-items: center; }
.readout b { font: 500 20px/1 ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: .06em; font-variant-numeric: tabular-nums; min-width: 3.4ch; text-align: right; }
.readout small { font-size: 9px; letter-spacing: .1em; text-transform: uppercase; color: #8a8a8a; white-space: nowrap; }
.hero.on .readout { color: #ff6b6f; }
.hint { position: absolute; left: calc(50% + 150px); font-size: 11px; color: #555; white-space: nowrap; animation: nudge 1.6s ease-in-out infinite; transition: opacity .4s; }
.hero.touched .hint, .hero.on .hint { opacity: 0; }
@keyframes nudge { 50% { transform: translateX(-5px); } }
.hero.on .halo { opacity: .8; }
@media (max-width: 520px) { .hint { display: none; } .readout small { font-size: 8px; } }

/* the live check of this page */
.clean { margin-top: 18px; font-size: 12px; color: var(--mid); display: inline-flex; align-items: center; gap: 7px; flex-wrap: wrap; justify-content: center; }
.clean b { font-weight: 500; color: #16a34a; font-variant-numeric: tabular-nums; }
.clean i { width: 7px; height: 7px; border-radius: 50%; background: #16a34a; box-shadow: 0 0 0 3px rgba(22,163,74,.18); }
.clean.dirty b, .clean.dirty i { color: #e5484d; background: #e5484d; }
.clean.dirty b { background: none; }
.plate .clean { display: flex; width: fit-content; margin-left: auto; margin-right: auto; }

/* ---------- name plate ---------- */
.plate { text-align: center; padding: clamp(56px, 9vw, 110px) var(--gut) 0; }
.name { font-size: clamp(42px, 6vw, 64px); font-weight: 400; letter-spacing: -0.035em; line-height: 1; display: inline-flex; align-items: flex-start; gap: 10px; }
.box { display: inline-block; border: 1px solid currentColor; border-radius: 3px; font-size: 11px; line-height: 1; padding: 2px 4px 3px; letter-spacing: 0; font-weight: 400;
  vertical-align: top; transform: translateY(.35em); }
.name .box { font-size: 12px; transform: translateY(.5em); }
.plate .under { margin-top: 18px; font-size: 15px; color: var(--mid); }
.plate .under b { font-weight: 400; color: var(--ink); }
.cta { display: inline-flex; gap: 10px; align-items: center; margin-top: 22px; font-size: 14px; padding: 9px 18px; border-radius: 999px; background: var(--ink); color: var(--paper); }
.cta i { width: 7px; height: 7px; border-radius: 50%; background: #f0c64a; box-shadow: 0 0 0 0 rgba(240,198,74,.6); animation: blip 2.4s infinite; }
@keyframes blip { 60%, 100% { box-shadow: 0 0 0 7px rgba(240,198,74,0); } }

/* ---------- see · stop · know ---------- */
.three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(24px, 4vw, 60px); max-width: 980px; margin: 0 auto;
  padding: clamp(70px, 10vw, 120px) var(--gut) 0; text-align: center; }
.three svg { width: 44px; height: 44px; fill: none; stroke: currentColor; stroke-width: 1; vector-effect: non-scaling-stroke; margin: 0 auto 18px; display: block; opacity: .75; }
.three h3 { font-size: clamp(22px, 2.4vw, 28px); font-weight: 400; letter-spacing: -0.02em; line-height: 1.1; margin-bottom: 10px; }
.three p { font-size: 14.5px; line-height: 1.38; color: #2a2a2a; max-width: 270px; margin: 0 auto; }
@media (max-width: 760px) { .three { grid-template-columns: 1fr; gap: 44px; } }

/* ---------- centred copy blocks ---------- */
.copy { max-width: 640px; margin: 0 auto; text-align: center; padding: clamp(80px, 12vw, 150px) var(--gut) 0; }
.copy h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 400; letter-spacing: -0.025em; line-height: 1.08; margin-bottom: clamp(20px, 3vw, 34px); }
.copy p { font-size: 15.5px; line-height: 1.38; color: #1a1a1a; }
.copy p + p { margin-top: 1.2em; }
.copy .lead { font-size: 15.5px; }

/* the long uppercase list */
.lead-in { text-align: center; font-size: 15.5px; padding: clamp(50px, 7vw, 80px) var(--gut) 0; }
.feats { list-style: none; text-align: center; font-size: 10.5px; line-height: 1.38; text-transform: uppercase; letter-spacing: .015em;
  color: #222; padding: 34px var(--gut) 0; }
.feats li { transition: color .2s; }
.feats li:hover { color: var(--link); }

/* tiny uppercase captions */
.cap { font-size: 8.5px; line-height: 1.35; text-transform: uppercase; letter-spacing: .03em; color: #555; max-width: 210px; }
.cap.c { margin: 22px auto 0; text-align: center; max-width: 360px; }

/* ---------- the strip: apps and websites sliding by, each flipping from green to red ---------- */
.strip { margin-top: clamp(40px, 6vw, 70px); overflow: hidden; -webkit-mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.strip-row { list-style: none; display: flex; gap: 14px; width: max-content; padding: 6px 0; animation: slide 46s linear infinite; }
.strip:hover .strip-row { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%); } }
.chip { display: flex; align-items: center; gap: 12px; padding: 12px 18px 12px 12px; border-radius: 16px; background: #fff;
  box-shadow: 0 1px 0 rgba(0,0,0,.04), 0 10px 24px -18px rgba(0,0,0,.35); }
.chip svg { width: 38px; height: 38px; padding: 7px; border-radius: 10px; background: var(--band-2); fill: none; stroke: #222; stroke-width: 1.2; }
.chip .nm { font-size: 14px; white-space: nowrap; display: inline-flex; gap: 6px; align-items: flex-start; }
.chip .nm .box { font-size: 8px; transform: translateY(.2em); color: var(--soft); }
.chip .st { position: relative; display: block; font-size: 11.5px; min-width: 92px; height: 16px; margin-left: 4px; }
.chip .st b { position: absolute; left: 0; top: 0; font-weight: 500; white-space: nowrap; animation: flip 5.5s var(--d) infinite; }
.chip .st .g { color: #16a34a; }
.chip .st .r { color: #e5484d; opacity: 0; animation-name: flip2; }
@keyframes flip { 0%, 45% { opacity: 1; transform: none; } 52%, 93% { opacity: 0; transform: translateY(-6px); } 100% { opacity: 1; transform: none; } }
@keyframes flip2 { 0%, 45% { opacity: 0; transform: translateY(6px); } 52%, 93% { opacity: 1; transform: none; } 100% { opacity: 0; transform: translateY(6px); } }
.chip { animation: glowflip 5.5s var(--d) infinite; }
@keyframes glowflip { 0%, 45% { box-shadow: 0 0 0 1px rgba(22,163,74,.25), 0 10px 24px -18px rgba(0,0,0,.35); }
  52%, 93% { box-shadow: 0 0 0 1px rgba(229,72,77,.35), 0 10px 24px -18px rgba(0,0,0,.35); } 100% { box-shadow: 0 0 0 1px rgba(22,163,74,.25), 0 10px 24px -18px rgba(0,0,0,.35); } }
@media (prefers-reduced-motion: reduce) { .strip-row, .chip, .chip .st b { animation: none; } .chip .st .g { opacity: 0; } .chip .st .r { opacity: 1; } }

/* ---------- full-bleed close-up ---------- */
.bleed { position: relative; margin-top: clamp(80px, 12vw, 150px); background: var(--night); overflow: hidden; }
.bleed img { width: 100%; height: clamp(320px, 62vw, 760px); object-fit: cover; object-position: 50% 38%; transform: scale(1.08);
  transition: transform 2.4s var(--ease); }
.bleed.in img { transform: scale(1); }
.bleed .cap { position: absolute; top: clamp(14px, 2.5vw, 28px); left: var(--gut); color: #9a9a9a; }
.bleed .cap.r { left: auto; right: var(--gut); text-align: right; }
.bleed .rule { position: absolute; left: var(--gut); right: var(--gut); bottom: clamp(16px, 2.5vw, 28px); display: flex; justify-content: space-between;
  font-size: 8.5px; letter-spacing: .08em; color: #777; border-top: 1px solid #2a2a2c; padding-top: 8px; }

/* ---------- how it works: a schematic, like a page from a manual ---------- */
.schematic { max-width: 1080px; margin: 0 auto; padding: clamp(80px, 12vw, 150px) var(--gut) 0; text-align: center; }
.schematic h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 400; letter-spacing: -0.025em; margin-bottom: clamp(26px, 4vw, 44px); }
.schem-wrap { background: #fff; border-radius: 18px; padding: clamp(14px, 3vw, 34px); box-shadow: 0 1px 0 rgba(0,0,0,.04), 0 20px 40px -32px rgba(0,0,0,.4);
  background-image: linear-gradient(rgba(0,0,0,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(0,0,0,.035) 1px, transparent 1px); background-size: 20px 20px; }
.schem { width: 100%; height: auto; display: block; overflow: visible; font-family: var(--sans); }
.schem.tall { display: none; max-width: 380px; margin: 0 auto; }
.schem .bx rect { fill: #fff; stroke: #1a1a1a; stroke-width: 1.2; }
.schem .bx.core rect { fill: #111; stroke: #111; }
.schem .bx.core .t { fill: #fff; } .schem .bx.core .s { fill: #9a9a9a; }
.schem .bx.bad rect { stroke: #e5484d; } .schem .bx.good rect { stroke: #16a34a; }
.schem .t { font-size: 17px; fill: #111; } .schem .s { font-size: 10.5px; fill: #777; text-transform: uppercase; letter-spacing: .06em; }
.schem .bx.bad .t { fill: #e5484d; } .schem .bx.good .t { fill: #16a34a; }
.schem .spiral path { fill: none; stroke: #fff; stroke-width: 1; vector-effect: non-scaling-stroke; }
.schem .spiral { animation: none; }
.schem .wire { fill: none; stroke: #1a1a1a; stroke-width: 1.2; stroke-dasharray: 2 5; stroke-linecap: round; }
.schem .wire.bad { stroke: #e5484d; } .schem .wire.good { stroke: #16a34a; }
.schematic.in .wire { animation: march 1.2s linear infinite; }
@keyframes march { to { stroke-dashoffset: -14; } }
.schem .x circle { fill: #fff; stroke: #e5484d; stroke-width: 1.4; } .schem .x path { stroke: #e5484d; stroke-width: 2; stroke-linecap: round; }
.schem .pk { font-size: 11px; font-weight: 500; }
.schem .n { font-size: 10px; fill: #999; letter-spacing: .1em; }
.manual { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 3vw, 40px); text-align: left; margin-top: 26px; }
.manual li { font-size: 13.5px; line-height: 1.4; color: #2a2a2a; border-top: 1px solid var(--hair); padding-top: 10px; }
.manual span { display: block; font-size: 10px; color: var(--soft); letter-spacing: .1em; margin-bottom: 6px; }
@media (max-width: 700px) { .schem.wide { display: none; } .schem.tall { display: block; } .manual { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .schematic.in .wire { animation: none; } }

/* ---------- three phones on a band ---------- */
.trio { margin-top: clamp(80px, 12vw, 150px); background: var(--band-2); padding: clamp(50px, 8vw, 100px) var(--gut) clamp(40px, 6vw, 70px); }
.trio .copy { padding-bottom: clamp(30px, 5vw, 60px); }
.trio-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(18px, 4vw, 64px); max-width: 1080px; margin: 0 auto; align-items: start; }
.trio figure { display: flex; flex-direction: column; align-items: center; }
.trio .phone { width: 100%; max-width: 300px; }
.trio .phone { box-shadow: 0 0 0 1px #8d8f93, 0 0 0 2px #d3d4d6, 0 0 0 3px #9a9ca0, 0 30px 50px -26px rgba(0,0,0,.4); }
.trio figure:nth-child(2) .phone { transform: translateY(-28px); } .trio figure:nth-child(2) figcaption { margin-top: -2px; }
.trio figcaption { margin-top: 26px; text-align: center; }
.trio figcaption b { display: block; font-weight: 400; font-size: 15px; letter-spacing: -0.01em; margin-bottom: 6px; }
.trio figcaption .cap { margin: 0 auto; }

/* side by side: phone and copy */
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 90px); align-items: center; max-width: 980px; margin: 0 auto;
  padding: clamp(80px, 12vw, 150px) var(--gut) 0; }
.pair .phone { width: min(100%, 320px); margin: 0 auto; }
.pair h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 400; letter-spacing: -0.025em; line-height: 1.08; margin-bottom: 22px; }
.pair p { font-size: 15.5px; line-height: 1.38; }
.pair p + p { margin-top: 1.1em; }
.pair .cap { margin-top: 26px; font-size: 8.5px; line-height: 1.35; }

/* numbered steps like a manual */
.steps { list-style: none; counter-reset: s; margin-top: 26px; border-top: 1px solid var(--hair); }
.steps li { counter-increment: s; display: grid; grid-template-columns: 30px 1fr; padding: 9px 0; border-bottom: 1px solid var(--hair); font-size: 14px; }
.steps li::before { content: counter(s, decimal-leading-zero); font-size: 10px; color: var(--soft); padding-top: 3px; }

/* ---------- specifications ---------- */
.specs { margin-top: clamp(90px, 13vw, 160px); background: var(--band-2); padding: clamp(50px, 7vw, 80px) var(--gut) clamp(50px, 7vw, 80px); }
.spec-grid { display: grid; grid-template-columns: 1.15fr 1.2fr 1fr 1.05fr; gap: 30px clamp(20px, 3vw, 44px); max-width: 1200px; margin: 0 auto; }
.spec-grid h2 { font-size: clamp(26px, 2.6vw, 30px); font-weight: 400; letter-spacing: -0.02em; line-height: 1.1; }
.spec-grid h2 .box { font-size: 10px; transform: translateY(-.4em); }
.spec-grid h3 { font-size: 12.5px; font-weight: 400; margin-bottom: 14px; }
.spec-grid h3 ~ h3 { margin-top: 22px; }
.spec-grid ul { list-style: none; font-size: 12.5px; line-height: 1.32; }
.spec-grid ul.dot li { position: relative; padding-left: 13px; }
.spec-grid ul.dot li::before { content: ""; position: absolute; left: 0; top: .42em; width: 7px; height: 7px; border-radius: 50%; background: var(--ink); }
.spec-grid p { font-size: 12.5px; line-height: 1.32; }
.booklet { display: block; max-width: 280px; margin: 16px 0 22px; aspect-ratio: 1.42; background: var(--paper); border: 1px solid #bdbdbd; border-radius: 3px;
  position: relative; box-shadow: 0 1px 0 #fff inset, 0 14px 24px -18px rgba(0,0,0,.35); transition: transform .5s var(--ease); }
.booklet:hover { transform: translateY(-4px) rotate(-1deg); }
.booklet::before { content: ""; position: absolute; left: 7%; top: 0; bottom: 0; border-left: 1px solid #cfcfcf; }
.booklet > span { position: absolute; left: 22%; top: 42%; font-size: clamp(16px, 1.8vw, 22px); letter-spacing: -0.02em; display: flex; gap: 6px; align-items: flex-start; }
.booklet > span .box { font-size: 6px; transform: translateY(.2em); }
.booklet small { position: absolute; left: 55%; top: 44%; font-size: 5px; line-height: 1.3; color: #666; text-transform: uppercase; }

/* ---------- document pages (privacy, support) ---------- */
.doc-hero { background: var(--band); text-align: center; padding: clamp(50px, 9vw, 110px) var(--gut) clamp(50px, 8vw, 96px); }
.doc-hero .name { justify-content: center; }
.doc-hero p { margin-top: 18px; font-size: 15px; color: var(--mid); }
.doc { max-width: 1080px; margin: 0 auto; padding: clamp(40px, 7vw, 90px) var(--gut) 0; }
.row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 14px clamp(24px, 5vw, 70px); padding: 26px 0 30px; border-top: 1px solid var(--hair); }
.row:first-child { border-top: 0; }
.row h2 { font-size: 21px; font-weight: 400; letter-spacing: -0.015em; line-height: 1.15; }
.row h2 .n { display: block; font-size: 10px; color: var(--soft); letter-spacing: .06em; margin-bottom: 6px; }
.row .body { font-size: 15px; line-height: 1.42; }
.row .body p + p, .row .body ul + p, .row .body p + ul { margin-top: .9em; }
.row .body ul { list-style: none; }
.row .body ul.dot li { position: relative; padding-left: 15px; margin-top: .5em; }
.row .body ul.dot li::before { content: ""; position: absolute; left: 0; top: .5em; width: 7px; height: 7px; border-radius: 50%; background: var(--ink); }
.row .body a:not(.blue) { color: var(--link); } .row .body a:hover { text-decoration: underline; }
.row strong { font-weight: 500; }
.row em { font-style: normal; color: var(--mid); }
details { border-bottom: 1px solid var(--hair); }
details:first-child { border-top: 1px solid var(--hair); }
summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 18px; padding: 12px 0; font-size: 15px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--soft); transition: transform .3s var(--ease); }
details[open] summary::after { transform: rotate(45deg); }
details p { padding: 0 0 16px; color: #2a2a2a; max-width: 60ch; }

/* ---------- footer ---------- */
.foot { margin-top: clamp(80px, 10vw, 120px); border-top: 1px solid #d2d2d1; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px;
  padding: 20px var(--gut) calc(22px + env(safe-area-inset-bottom)); font-size: 12px; color: #444; }
.foot.flush { margin-top: 0; }
.foot nav { display: flex; gap: clamp(12px, 2vw, 22px); flex-wrap: wrap; justify-content: center; }
.foot nav a:hover, .foot nav a[aria-current] { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.foot .r { text-align: right; }

/* ---------- motion ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.hero .stage.reveal { transform: translateY(60px); transition-duration: 1.4s; }
.hero .stage.reveal.in { transform: none; }
.feats.reveal li { opacity: 0; transition: opacity .5s; }
.feats.reveal.in li { opacity: 1; }
html.intro-reveal main { animation: settle 1.1s cubic-bezier(.2, .8, .2, 1) both; }
@keyframes settle { from { transform: scale(.97); filter: blur(6px); } to { transform: none; filter: none; } }

/* ---------- smaller screens ---------- */
@media (max-width: 1020px) {
  .dense { display: none; } .mark { margin-left: auto; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav { height: auto; padding-bottom: 14px; gap: 18px; flex-wrap: wrap; }
  .sec svg, .sec small { display: none; }
  .sec { display: block; padding-top: 1px; }
  .mark { width: 34px; height: 34px; }
  .pair { grid-template-columns: 1fr; }
  .pair .phone { width: min(72vw, 300px); }
  .pair.flip > :first-child { order: 2; }
  .trio-row { grid-template-columns: 1fr 1fr; }
  .trio figure:nth-child(2) .phone { transform: none; } .trio figure:nth-child(2) figcaption { margin-top: 26px; }
  .trio figure:nth-child(3) { display: none; }
  .row { grid-template-columns: 1fr; }
  .foot { grid-template-columns: 1fr; text-align: center; }
  .foot .r { text-align: center; }
}
@media (max-width: 520px) {
  .spec-grid { grid-template-columns: 1fr; }
  .feats { font-size: 9.5px; }
  .word { font-size: 14px; }
  .sec > a { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .halo, .tilt .phone::after { animation: none; }
  .sweep::before { animation: none !important; }
  .reveal, .feats.reveal li, .hero .stage.reveal { opacity: 1; transform: none; transition: none; }
  .bleed img { transform: none; transition: none; }
  .cta i { animation: none; }
}

/* ---------- intro (cinematic loader, unchanged in spirit) ---------- */
@property --hole { syntax: "<length>"; inherits: false; initial-value: 0px; }
html.intro-on, html.intro-on body { overflow: hidden; }
#intro { position: fixed; inset: 0; z-index: 100; background: #0b0b0c; color: #ececec; cursor: pointer;
  -webkit-mask: radial-gradient(circle at 50% 46%, transparent var(--hole), #000 calc(var(--hole) + 1px));
  mask: radial-gradient(circle at 50% 46%, transparent var(--hole), #000 calc(var(--hole) + 1px)); }
#intro.out { animation: hole 1s cubic-bezier(.75, 0, .2, 1) forwards; }
@keyframes hole { to { --hole: 160vmax; } }
.i-dust { position: absolute; inset: 0; width: 100%; height: 100%; }
.i-top { position: absolute; top: max(18px, env(safe-area-inset-top)); left: var(--gut); display: flex; align-items: center; gap: 10px;
  font-size: 15px; line-height: 1.12; opacity: 0; animation: fade .8s .15s forwards; }
.i-key { width: 26px; height: 26px; background: #ececec;
  -webkit-mask: url("/assets/key.svg") center / 100% no-repeat; mask: url("/assets/key.svg") center / 100% no-repeat; }
.i-stage { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; }
.i-svg { width: min(64vmin, 440px); height: auto; overflow: visible; margin-top: -6vh; transition: transform .65s cubic-bezier(.6, 0, .9, .3), opacity .65s, filter .65s; }
.i-svg path, .i-ring { fill: none; stroke: #ececec; stroke-width: 1; vector-effect: non-scaling-stroke; stroke-dasharray: 1; stroke-dashoffset: 1; }
.i-svg path { animation: draw 1.5s cubic-bezier(.3, .1, .2, 1) forwards; }
.i-ring { stroke: rgba(236,236,236,.35); stroke-dasharray: .004 .012; stroke-dashoffset: 0; opacity: 0; animation: fade 1.2s .3s forwards; }
.i-spin { transform-origin: 250px 250px; animation: ispin 3.2s cubic-bezier(.4, 0, .6, 1) forwards; }
.i-core { fill: #000; stroke: rgba(236,236,236,.5); stroke-width: 1; vector-effect: non-scaling-stroke; transform-origin: 250px 250px;
  transform: scale(0); animation: core .9s .7s cubic-bezier(.2, .9, .2, 1.2) forwards; }
.i-title { font-size: clamp(44px, 9vw, 88px); font-weight: 400; letter-spacing: -0.045em; line-height: 1; margin-top: 3vh;
  opacity: 0; filter: blur(10px); transform: translateY(14px); animation: rise 1s .85s cubic-bezier(.2, .8, .2, 1) forwards;
  transition: transform .6s cubic-bezier(.6, 0, .9, .3), opacity .5s, filter .6s; }
.i-sub b, .i-top b { font-weight: 500; }
.i-sub { font-size: 14px; color: #8d8d8d; opacity: 0; animation: fade .8s 1.2s forwards; transition: opacity .3s; }
.i-meta { position: absolute; left: var(--gut); right: var(--gut); bottom: max(24px, env(safe-area-inset-bottom));
  display: flex; align-items: center; gap: 14px; font-size: 9px; letter-spacing: .1em; color: #8d8d8d;
  opacity: 0; animation: fade .6s .3s forwards; transition: opacity .3s; }
.i-line { flex: 1; height: 1px; background: rgba(236,236,236,.15); position: relative; overflow: hidden; }
.i-line i { position: absolute; inset: 0; background: #ececec; transform-origin: left; transform: scaleX(0); animation: grow 2.05s linear forwards; }
#intro.suck .i-svg { transform: scale(.02) rotate(220deg); opacity: .2; filter: blur(2px); }
#intro.suck .i-title { transform: translateY(-14vh) scale(.1); opacity: 0; filter: blur(8px); }
#intro.suck .i-sub, #intro.suck .i-meta { opacity: 0; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes ispin { from { transform: rotate(-40deg); } to { transform: rotate(80deg); } }
@keyframes core { to { transform: scale(1); } }
@keyframes rise { to { opacity: 1; filter: blur(0); transform: none; } }
@keyframes fade { to { opacity: 1; } }
@keyframes grow { to { transform: scaleX(1); } }