/* Shelf website — shared stylesheet. Cream by day, almond black at night, one deep-green accent; the three-shelf mark carries the identity. */
:root{
  --bg:#F6F1E8; --bg2:#EFE8DC; --surface:#FFFDF9; --ink:#1B1814; --ink2:#5F574D; --mute:#8C8377;
  --line:#E3DBCD; --line2:#D2C8B7; --accent:#1F5A47; --accent-ink:#F6F1E8; --accent-soft:#DCEAE2; --danger:#A63D2F;
  --display:"Bricolage Grotesque","Instrument Sans",system-ui,sans-serif; --body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif; --mono:ui-monospace,Menlo,Consolas,monospace;
  --r:16px; --rs:10px; --gutter:clamp(16px,4vw,40px);
}
@media (prefers-color-scheme:dark){ :root:not([data-theme="light"]){
  --bg:#151210; --bg2:#1C1815; --surface:#201C18; --ink:#EEE6DA; --ink2:#B5AA9B; --mute:#7F766A;
  --line:#2C2621; --line2:#3A332C; --accent:#7CC4A0; --accent-ink:#121410; --accent-soft:#1F2E27; --danger:#E07A6B; color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#151210; --bg2:#1C1815; --surface:#201C18; --ink:#EEE6DA; --ink2:#B5AA9B; --mute:#7F766A;
  --line:#2C2621; --line2:#3A332C; --accent:#7CC4A0; --accent-ink:#121410; --accent-soft:#1F2E27; --danger:#E07A6B; color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 var(--body);-webkit-font-smoothing:antialiased;padding-left:max(0px,env(safe-area-inset-left,0px));padding-right:max(0px,env(safe-area-inset-right,0px))}
h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.02em;line-height:1.1;margin:0;text-wrap:balance;font-weight:600}
h1{font-size:clamp(38px,6vw,64px);letter-spacing:-.03em}
h2{font-size:clamp(26px,3.6vw,38px)}
h3{font-size:19px}
p{margin:0}
a{color:var(--accent)}
img{max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
@media (min-width:700px){.wrap{padding-left:var(--gutter);padding-right:var(--gutter)}}
section{padding-block:clamp(48px,8vw,96px)}
.band{background:var(--bg2)}
.eyebrow{font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.lead{font-size:clamp(17px,2vw,20px);color:var(--ink2);max-width:60ch}
.muted{color:var(--ink2)}.tiny{font-size:13px;color:var(--mute)}
.mark{width:40px;height:40px;flex:none}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:999px;border:1px solid var(--line2);background:var(--surface);font-weight:500;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .12s}
.btn:hover{border-color:var(--ink2)}.btn:active{transform:scale(.98)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:transparent}
.btn.sm{padding:7px 13px;font-size:13.5px}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12.5px;font-weight:600}
.pill.grey{background:var(--bg2);color:var(--ink2)}
code,kbd{font:13px var(--mono);background:var(--bg2);padding:1px 6px;border-radius:5px}
pre{font:13px/1.5 var(--mono);background:var(--bg2);border:1px solid var(--line);border-radius:var(--rs);padding:12px 14px;overflow-x:auto}
pre code{background:none;padding:0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;min-width:0}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr))}
.grid>*{min-width:0}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th,td{text-align:left;padding:10px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:600;color:var(--ink2);font-size:13px;letter-spacing:.03em}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
.tbl table{min-width:640px}
.ok{color:var(--accent);font-weight:600}.no{color:var(--mute)}
.sechead{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:28px}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:18px;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:20px;text-decoration:none;color:var(--ink)}
.brand .mark{width:28px;height:28px}
.links{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.links a{text-decoration:none;color:var(--ink2);padding:8px 10px;border-radius:8px;font-size:14px;white-space:nowrap}
.links a:hover,.links a[aria-current="page"]{background:var(--bg2);color:var(--ink)}
.links a.cta{background:var(--accent);color:var(--accent-ink)}

/* hero */
.hero{padding-block:clamp(40px,7vw,88px)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero .cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.hero .facts{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:13.5px;color:var(--ink2)}
.hero .facts b{color:var(--ink);font-weight:600}
.phones{display:flex;justify-content:center;align-items:flex-end;gap:14px}
.phone{width:min(260px,70%);aspect-ratio:9/16;border-radius:34px;border:7px solid #1B1814;background:#1B1814;overflow:hidden;box-shadow:0 30px 60px -30px rgba(40,30,15,.6);animation:float 7s ease-in-out infinite}
.phone.back{width:min(200px,40%);margin-bottom:36px;animation-delay:-3.5s;opacity:.92}
.phone img{width:100%;height:100%;object-fit:cover;display:block}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@media (max-width:820px){.hero .wrap{grid-template-columns:1fr}.phones{display:none}}

/* features */
.feat{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}
.feat .card h3{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.feat .ic,.ic{width:34px;height:34px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;flex:none}
.ic svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.feat ul{margin:0;padding:0;list-style:none;display:grid;gap:7px;font-size:14.5px;color:var(--ink2)}
.feat li{padding-left:18px;position:relative}
.feat li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--accent);opacity:.75}
.feat li b{color:var(--ink);font-weight:600}

/* gallery */
.gallery{display:flex;gap:14px;overflow-x:auto;padding:4px 0 14px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.gallery figure{margin:0;flex:0 0 min(78vw,300px);scroll-snap-align:start}
.gallery img{width:100%;border-radius:22px;border:1px solid var(--line);display:block;background:var(--bg2)}
.gallery figcaption{font-size:13px;color:var(--ink2);margin-top:8px}

/* extension */
.ext{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:start}
.ext .shot{border-radius:var(--r);border:1px solid var(--line);overflow:hidden;background:var(--bg2);box-shadow:0 24px 50px -30px rgba(40,30,15,.5)}
.ext .shot img{display:block;width:100%}
.ext .side{display:grid;gap:12px}
.ext .popup{width:min(100%,320px);border-radius:14px;border:1px solid var(--line);overflow:hidden;background:var(--bg2)}
.ext .popup img{display:block;width:100%}
@media (max-width:820px){.ext{grid-template-columns:1fr}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:16px;counter-reset:s}
.step{position:relative;padding:22px 22px 22px 64px}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:20px;top:22px;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font:600 14px var(--display);display:grid;place-items:center}
.step p{color:var(--ink2);font-size:14.5px;margin-top:6px}

/* tech */
.tech{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:16px}
.tech .card{display:grid;gap:8px}
.tech .num{font:600 34px/1 var(--display);letter-spacing:-.03em;color:var(--accent)}
.tech p{color:var(--ink2);font-size:14.5px}

/* lists */
.check{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.check li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px}
.check li::before{content:"";width:18px;height:18px;border:1.5px solid var(--line2);border-radius:5px;flex:none;margin-top:2px;background:var(--surface)}
.check li.done::before{background:var(--accent);border-color:var(--accent);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F6F1E8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");background-size:12px;background-position:center;background-repeat:no-repeat}

/* faq */
details{border:1px solid var(--line);border-radius:var(--rs);background:var(--surface);padding:0 16px}
details+details{margin-top:8px}
summary{cursor:pointer;padding:13px 0;font-weight:500;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-weight:600}
details[open] summary::after{content:"–"}
details p{padding:0 0 14px;color:var(--ink2);font-size:14.5px}

/* blog */
.posts{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr))}
.post{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:inherit}
.post:hover{border-color:var(--ink2)}
.post .k{font-size:12.5px;color:var(--mute)}
.post h3{font-size:18px}
.post p{color:var(--ink2);font-size:14.5px}
.post .more{color:var(--accent);font-weight:500;font-size:14px;margin-top:auto}
.article{max-width:72ch;margin:0 auto}
.article h1{font-size:clamp(32px,4.6vw,48px)}
.article .meta{color:var(--mute);font-size:14px;margin:14px 0 28px}
.article h2{font-size:clamp(22px,2.8vw,28px);margin:38px 0 12px}
.article h3{margin:26px 0 8px}
.article p,.article li{color:var(--ink2);font-size:16.5px;line-height:1.65}
.article p+p{margin-top:14px}
.article ul,.article ol{padding-left:22px;margin:10px 0}
.article li+li{margin-top:6px}
.article img{border-radius:var(--r);border:1px solid var(--line);margin:18px 0;display:block}
.article .callout{background:var(--accent-soft);color:var(--ink);border-radius:var(--rs);padding:14px 16px;margin:20px 0;font-size:15px}
.article .callout a{font-weight:600}
.article table{font-size:14.5px}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--rs);padding:14px 18px;margin:0 0 26px;font-size:14.5px}
.toc ol{margin:6px 0 0;padding-left:20px}
.related{margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}

/* legal */
.legal{max-width:72ch}
.legal h3{margin:26px 0 8px}
.legal p,.legal li{color:var(--ink2);font-size:15px}
.legal ul{padding-left:20px;margin:6px 0}
.changelog{display:grid;gap:12px}
.changelog .v{display:grid;grid-template-columns:90px 1fr;gap:14px}
.changelog .v b{font-family:var(--display);font-size:18px}
.changelog .v p{color:var(--ink2);font-size:14.5px}
@media (max-width:520px){.changelog .v{grid-template-columns:1fr}}

footer{padding:32px 0 48px;border-top:1px solid var(--line);color:var(--mute);font-size:13.5px}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center}
footer a{color:var(--ink2);text-decoration:none}footer a:hover{color:var(--ink)}
#toast{position:fixed;left:50%;bottom:calc(22px + env(safe-area-inset-bottom,0px));transform:translate(-50%,16px);background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s,transform .25s}
#toast.show{opacity:1;transform:translate(-50%,0)}