:root{
  --paper:#F4F7FB; --band:#EAF1F8; --card:#FFFFFF;
  --ink:#13202C; --ink-2:#4E6070; --ink-3:#7B8B99;
  --rule:#DAE4EE;
  --blue:#0B4F82; --blue-2:#1272B8; --blue-soft:#E3EFF9;
  --signal:#EF7000; --signal-soft:#FDEEE0; --signal-ink:#A34E00;
  --green:#1B8A4D; --green-soft:#E3F3EA;
  --red:#C33326; --red-soft:#FBE8E5;
  --display:"Archivo",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --shot:0 2px 6px rgba(14,32,48,.10), 0 26px 50px -26px rgba(14,32,48,.45);
  --card-sh:0 1px 2px rgba(14,32,48,.05), 0 12px 30px -22px rgba(14,32,48,.4);
  color-scheme:light;
}
*{box-sizing:border-box}
body{background:var(--paper);color:var(--ink);font-family:var(--display);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;text-wrap:balance;letter-spacing:-.018em}
p{margin:0}
/* height:auto is load-bearing: the width/height attributes on each <img>
   are presentational hints that set CSS height too, so without this the
   images render at their intrinsic height against a CSS width and stretch. */
img{display:block;height:auto}
a{color:var(--blue-2)}
:focus-visible{outline:3px solid var(--blue-2);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:12px;top:-60px;z-index:60;background:var(--ink);color:#fff;
  padding:10px 16px;border-radius:9px;font-size:14px;font-weight:600;text-decoration:none}
.skip:focus{top:12px}
section[id]{scroll-margin-top:74px}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--signal-ink);font-weight:500}
.lede{font-family:var(--serif);font-size:19px;line-height:1.6;color:var(--ink-2);max-width:58ch}

/* nav */
.nav{border-bottom:1px solid var(--rule);background:rgba(255,255,255,.86);backdrop-filter:blur(10px);position:sticky;top:0;z-index:30}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.02em}
.logo .mark{width:26px;height:26px;border-radius:7px;background:var(--signal);display:grid;place-items:center;color:#fff;font-size:14px}
.nav nav{display:flex;gap:22px;font-size:14px;font-weight:500}
.nav nav a{color:var(--ink-2);text-decoration:none}
.nav nav a:hover{color:var(--ink)}
@media (max-width:760px){
  .nav .wrap{flex-wrap:wrap;height:auto;min-height:58px;padding-top:9px;gap:0 12px}
  .nav nav{order:3;flex:0 0 100%;gap:18px;overflow-x:auto;padding:9px 0 8px;
    margin-top:2px;border-top:1px solid var(--rule);scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .nav nav::-webkit-scrollbar{display:none}
  .nav nav a{white-space:nowrap}
  section[id]{scroll-margin-top:100px}
}

/* buttons */
.cta{display:inline-flex;align-items:center;gap:9px;background:var(--ink);color:#fff;font-weight:600;font-size:15px;
  padding:13px 22px;border-radius:11px;text-decoration:none;border:1px solid var(--ink)}
.cta:hover{background:#000}
.cta.alt{background:var(--card);color:var(--ink);border-color:var(--rule)}
.cta.alt:hover{border-color:var(--ink-3)}
.cta small{display:block;font-size:10.5px;font-weight:500;opacity:.72;letter-spacing:.04em;text-transform:uppercase;font-family:var(--mono)}
.cta .stack{display:flex;flex-direction:column;line-height:1.15;text-align:left}
/* Official App Store badge (Apple marketing guidelines): unmodified artwork,
   at least 40px tall on screen, clear space of a quarter of its height. */
.badge{display:inline-block;line-height:0;border-radius:8px}
.badge img{width:150px;height:50px}
.nav .badge img{width:120px;height:40px}

/* hero */
.hero{padding:64px 0 0;background:linear-gradient(180deg,#FFFFFF 0%,var(--blue-soft) 62%,var(--paper) 100%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:48px;align-items:center}
@media (max-width:900px){ .hero-grid{grid-template-columns:1fr;gap:34px} }
.hero h1{font-size:clamp(34px,5.6vw,54px);font-weight:700;margin:14px 0 16px;line-height:1.05}
.hero h1 em{font-style:normal;color:var(--signal)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:26px}
.hero-facts{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.fact{font-family:var(--mono);font-size:11.5px;color:var(--ink-2);background:rgba(255,255,255,.8);
  border:1px solid var(--rule);border-radius:999px;padding:5px 11px}
.devices{position:relative;display:flex;align-items:flex-end;gap:0;padding-bottom:28px}
.phone{width:250px;border-radius:26px;box-shadow:var(--shot);border:1px solid rgba(14,32,48,.10)}
/* The watch overlaps the phone and both are near-black, so a plain drop shadow
   is invisible. The light rim separates the two; the offset shadow falls onto
   the phone for depth. Over the pale hero background the rim reads as a soft halo. */
.watch{width:152px;border-radius:22px;border:1px solid rgba(14,32,48,.10);
  box-shadow:0 0 0 3px rgba(255,255,255,.92),
    -7px 9px 20px -5px rgba(14,32,48,.50),
    0 26px 50px -26px rgba(14,32,48,.45);
  margin-left:-52px;margin-bottom:34px}
@media (max-width:900px){ .devices{justify-content:center} }

/* sections */
section{padding:76px 0}
section.band{background:var(--band)}
section.paper{background:var(--card)}
.sec-head{max-width:64ch;margin-bottom:38px}
.sec-head h2{font-size:clamp(25px,3.6vw,34px);font-weight:700;margin:10px 0 12px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:820px){ .steps{grid-template-columns:1fr} }
.step{background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:24px;box-shadow:var(--card-sh)}
section.paper .step{background:var(--paper)}
.step .n{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--signal-ink);letter-spacing:.1em;display:block;margin-bottom:12px}
.step h3{font-size:17px;font-weight:600;margin-bottom:7px}
.step p{font-size:14.5px;color:var(--ink-2)}

/* feature rows */
.row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.row.flip .copy{order:2}
@media (max-width:880px){ .row{grid-template-columns:1fr;gap:32px} .row.flip .copy{order:0} }
.row h3{font-size:clamp(22px,3vw,28px);font-weight:700;margin:10px 0 14px}
.row p + p{margin-top:12px}
.row p{color:var(--ink-2);font-size:15.5px}
.shots{display:flex;gap:16px;align-items:flex-start;justify-content:center;flex-wrap:wrap}
.shots img{border-radius:20px;box-shadow:var(--shot);border:1px solid rgba(14,32,48,.10)}
.shots .ph{width:212px}
.shots .wa{width:150px;border-radius:18px}

/* list */
.ticks{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:9px}
.ticks li{display:flex;gap:10px;font-size:15px;color:var(--ink-2)}
.ticks b{color:var(--ink);font-weight:600}
.tick{width:18px;height:18px;border-radius:50%;background:var(--green-soft);color:var(--green);
  display:grid;place-items:center;font-size:11px;flex:none;margin-top:2px;font-weight:700}

/* grid of features */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:880px){ .grid{grid-template-columns:1fr 1fr} }
@media (max-width:600px){ .grid{grid-template-columns:1fr} }
.tile{background:var(--card);border:1px solid var(--rule);border-radius:13px;padding:20px;box-shadow:var(--card-sh)}
.tile h3{font-size:15.5px;font-weight:600;margin-bottom:6px}
.tile p{font-size:14px;color:var(--ink-2)}
.tile .ic{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;margin-bottom:12px}
.tile .ic svg{width:18px;height:18px;display:block;fill:currentColor}

/* colour legend */
.legend{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.pill{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;
  border-radius:999px;padding:6px 13px;border:1px solid transparent}
.pill i{width:9px;height:9px;border-radius:50%;display:block}
.pill.g{background:var(--green-soft);color:var(--green)} .pill.g i{background:var(--green)}
.pill.o{background:var(--signal-soft);color:#A34E00} .pill.o i{background:var(--signal)}
.pill.r{background:var(--red-soft);color:var(--red)} .pill.r i{background:var(--red)}

/* spec strip */
.specs{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--rule);
  border-radius:14px;overflow:hidden;background:var(--card)}
@media (max-width:760px){ .specs{grid-template-columns:1fr 1fr} }
.spec{padding:20px;border-right:1px solid var(--rule)}
.spec:last-child{border-right:0}
@media (max-width:760px){ .spec:nth-child(2n){border-right:0} .spec:nth-child(-n+2){border-bottom:1px solid var(--rule)} }
.spec dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}
.spec dd{margin:0;font-size:15px;font-weight:600}

/* disclaimer */
.note{border-left:4px solid var(--signal);background:var(--signal-soft);border-radius:0 12px 12px 0;padding:20px 24px}
.note h2{font-size:15px;font-weight:700;margin-bottom:7px}
.note p{font-size:14px;color:#6B4415;max-width:76ch}

/* closing cta */
.close{background:var(--ink);color:#fff;border-radius:18px;padding:48px 40px;text-align:center}
.close h2{font-size:clamp(24px,3.4vw,32px);font-weight:700;color:#fff;margin-bottom:12px}
.close p{color:#AFC0CE;max-width:52ch;margin:0 auto 26px;font-family:var(--serif);font-size:17px}
.close .cta{background:var(--signal);border-color:var(--signal)}
.close .cta:hover{background:#FF8412}

footer{padding:44px 0 60px;border-top:1px solid var(--rule);background:var(--paper)}
.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-2)}
.foot a{color:var(--ink-2)}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
html{scroll-behavior:smooth}