/* Picot web — instrument panel, not a craft blog.
   Graphite field, one amber signal, numerals in Martian Mono, headings in Newsreader.
   Layout: single 44rem reading column; the counter dial and tables break out to 60rem. */
:root{
  --bg:#F3F2EF;          /* light: cool paper, a hair of warmth toward amber */
  --surface:#FFFFFF;
  --ink:#16161A;
  --muted:#55555C;
  --rule:rgba(22,22,26,.14);
  --accent:#8A5200;      /* bronze: the light-theme accent from docs/03 */
  --signal:#F7A81B;      /* amber field */
  --on-signal:#1C1C1E;
  --font-display:"Newsreader",ui-serif,Georgia,"Times New Roman",serif;
  --font-body:"Martian Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,"Helvetica Neue",Arial,sans-serif;
  --font-num:"Martian Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --step--1:.875rem; --step-0:1.0625rem; --step-1:1.25rem; --step-2:1.6rem; --step-3:2.2rem; --step-4:clamp(2.4rem,6vw,3.4rem);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0F0F11;--surface:#1A1A1D;--ink:#F2F1EE;--muted:#A3A3A8;--rule:rgba(242,241,238,.14);
  --accent:#F7A81B;--signal:#F7A81B;--on-signal:#1C1C1E;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0F0F11;--surface:#1A1A1D;--ink:#F2F1EE;--muted:#A3A3A8;--rule:rgba(242,241,238,.14);
  --accent:#F7A81B;--signal:#F7A81B;--on-signal:#1C1C1E;color-scheme:dark}

@font-face{font-family:"Martian Grotesk";src:url("fonts/MartianGrotesk-StdRg.ttf") format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:"Martian Grotesk";src:url("fonts/MartianGrotesk-StdMd.ttf") format("truetype");font-weight:500 700;font-display:swap}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:var(--step-0)/1.6 var(--font-body)}
.wrap{max-width:60rem;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.wrap:not(.wide)>*{max-width:44rem}   /* one left edge for every section; text keeps a ~65ch measure */
a{color:var(--accent);text-underline-offset:.2em}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--signal);outline-offset:3px}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.15;text-wrap:balance;margin:0}
h1{font-size:var(--step-4)}
h2{font-size:var(--step-3)}
h3{font-size:var(--step-1)}
p{margin:0}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.eyebrow{font-family:var(--font-num);font-size:var(--step--1);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.muted{color:var(--muted)}
.small{font-size:var(--step--1)}

/* top bar */
.top{border-bottom:1px solid var(--rule)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.9rem}
.brand{display:flex;align-items:center;gap:.6rem;color:var(--ink);text-decoration:none;font-weight:600}
.brand img{width:32px;height:32px;border-radius:8px}
.brand .wordmark{height:20px;width:auto;color:var(--ink);display:block}
.top nav{display:flex;gap:1.1rem;flex-wrap:wrap;font-size:var(--step--1)}
.top nav a{color:var(--muted);text-decoration:none}
.top nav a:hover{color:var(--ink)}
.top nav a{white-space:nowrap}
@media (max-width:520px){.top nav{gap:.7rem;font-size:.78rem}.brand .wordmark{height:17px}.brand img{width:28px;height:28px}.brand{gap:.45rem}}
@media (max-width:420px){.top nav a.hide-sm{display:none}}

/* sections */
main section{padding-block:3.5rem}
main section+section{border-top:1px solid var(--rule)}
.stack{display:flex;flex-direction:column;gap:1rem}
.stack-lg{display:flex;flex-direction:column;gap:1.75rem}
ul.plain{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:.75rem}
ul.plain li{padding-left:1.4rem;position:relative}
ul.plain li::before{content:"";position:absolute;left:0;top:.62em;width:.55rem;height:2px;background:var(--accent)}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:2.5rem;align-items:center;padding-block:3.5rem 3rem}
.hero .lede{font-size:var(--step-1);color:var(--muted);max-width:34rem}
@media (max-width:760px){.hero{grid-template-columns:minmax(0,1fr);gap:2rem}}

/* App Store badge: Apple's official SVG, unmodified (black on light, white on dark); only scaled, never below 40px tall */
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem}
.store{display:inline-block;align-self:flex-start;line-height:0;border-radius:8px}
a.store img{display:block;height:48px;width:auto;max-width:none}
.price-note{font-size:var(--step--1);color:var(--muted)}

/* devices: real App Store captures inside Apple's official frames */
.devices{position:relative;width:100%;max-width:26rem;justify-self:center;aspect-ratio:26/30}
.devices .phone{position:absolute;left:0;top:0;width:66%;height:auto}
.devices .watch{position:absolute;right:0;bottom:0;width:44%;height:auto;filter:drop-shadow(0 18px 30px rgba(0,0,0,.28))}
.device-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem;align-items:start}
.device-row.two{grid-template-columns:repeat(2,minmax(0,1fr));max-width:34rem}
.device-row figure{margin:0;display:flex;flex-direction:column;gap:.75rem;align-items:center;text-align:center}
.device-row img{width:100%;height:auto;max-width:15rem}
.device-row.two img{max-width:13rem}
.device-row figcaption{font-size:var(--step--1);color:var(--muted);max-width:16rem}
.device-row figcaption b{display:block;color:var(--ink);font-weight:500;margin-bottom:.15rem}
@media (max-width:640px){.device-row{grid-template-columns:repeat(2,minmax(0,1fr))}.device-row figure:nth-child(3){grid-column:1/-1}.device-row figure:nth-child(3) img{max-width:11rem}}
.cta-shot{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,12rem);gap:2rem;align-items:center;width:100%}
.cta-shot img{width:100%;height:auto}
@media (max-width:640px){.cta-shot{grid-template-columns:minmax(0,1fr)}.cta-shot img{max-width:10rem}}

/* tables */
.table-scroll{overflow-x:auto;border:1px solid var(--rule);border-radius:14px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:var(--step--1)}
th,td{padding:.7rem .9rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--rule)}
tr:last-child td{border-bottom:0}
th{font-family:var(--font-num);font-weight:500;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
td.num,th.num{text-align:right}
.yes{color:var(--accent);font-weight:600}

/* is / isn't: the "is" column and the Pro column carry the amber field (icon colors, 8.57 contrast in both themes) */
.is-panel{background:var(--signal);color:var(--on-signal);border-radius:16px;padding:1.25rem 1.25rem 1.4rem}
.is-panel ul.plain li::before{background:var(--on-signal)}
th.pro,td.pro{background:var(--signal);color:var(--on-signal)}
td.pro{font-weight:500}
th.pro{color:var(--on-signal)}
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem}
@media (max-width:640px){.split{grid-template-columns:minmax(0,1fr)}}

/* FAQ */
details{border-bottom:1px solid var(--rule);padding-block:1rem}
details:first-of-type{border-top:1px solid var(--rule)}
summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:1rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--font-num);color:var(--accent)}
details[open] summary::after{content:"−"}
details p{margin-top:.6rem;color:var(--muted)}

/* calculator */
.calc{display:grid;grid-template-columns:minmax(0,18rem) minmax(0,1fr);gap:1.5rem;align-items:start}
@media (max-width:760px){.calc{grid-template-columns:minmax(0,1fr)}}
.panel{background:var(--surface);border:1px solid var(--rule);border-radius:16px;padding:1.25rem;display:flex;flex-direction:column;gap:1rem}
.field{display:flex;flex-direction:column;gap:.35rem}
.field label{font-size:var(--step--1);font-weight:600}
.field input{font:500 1.4rem/1.2 var(--font-num);font-variant-numeric:tabular-nums;padding:.55rem .7rem;border-radius:10px;border:1px solid var(--rule);background:var(--bg);color:var(--ink);width:100%}
.field .help{font-size:.8rem;color:var(--muted)}
.readout{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem}
.readout div{display:flex;flex-direction:column;gap:.2rem}
.readout b{font:400 1.9rem/1 var(--font-num);font-variant-numeric:tabular-nums}
.readout span{font-size:.78rem;color:var(--muted)}
.phases{display:flex;height:14px;border-radius:7px;overflow:hidden;border:1px solid var(--rule)}
.phases i{display:block;height:100%}
.ph-inc{background:var(--signal)}
.ph-str{background:repeating-linear-gradient(90deg,var(--signal) 0 6px,transparent 6px 10px)}
.ph-dec{background:var(--muted)}
.legend{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;font-size:.8rem;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:.4rem}
.legend i{width:14px;height:10px;border-radius:2px;display:inline-block}
.now{border:2px solid var(--signal);border-radius:14px;padding:1rem;display:flex;flex-direction:column;gap:.35rem}
.now .big{font:400 1.25rem/1.3 var(--font-num)}
tr.here td{background:color-mix(in srgb,var(--signal) 22%,transparent)}
.rows-wrap{max-height:28rem;overflow:auto;border:1px solid var(--rule);border-radius:14px;background:var(--surface)}
.rows-wrap thead th{position:sticky;top:0;background:var(--surface)}
.error{color:#B3261E;font-size:var(--step--1)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .error{color:#FF8A80}}
:root[data-theme="dark"] .error{color:#FF8A80}

/* closing band + footer */
.band{background:var(--surface);border-block:1px solid var(--rule)}
.band .wrap{padding-block:3rem;display:flex;flex-direction:column;gap:1.25rem;align-items:flex-start}
.band .wrap>.cta-shot{max-width:52rem}
footer{padding-block:2.5rem 3rem;font-size:var(--step--1);color:var(--muted)}
footer .wrap{display:flex;flex-direction:column;gap:.75rem}
footer nav{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem}
footer a{color:var(--muted)}