/* LinkShift — stone, shadow, bronze. One accent, used where the sun lands. */
:root{
  --ground:#ECEDE8;   /* limestone */
  --surface:#F5F5F2;  /* a lighter slab */
  --ink:#15171A;
  --shadow:#5F625B;   /* the gnomon's shadow; also muted text */
  --line:#D3D5CE;
  --bronze:#D99A2B;   /* the sun. Display and non-text only on light ground. */
  --bronze-deep:#7A4F0B; /* bronze you can read as text on stone */
  --card:#FFFFFF;     /* QR cards stay white in both themes — they have to scan */
  --display:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --body:"Geist",ui-sans-serif,system-ui,sans-serif;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,monospace;
  --wrap:68rem;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:#171A1F;
    --surface:#1F232A;
    --ink:#ECEDE8;
    --shadow:#A5A9A2;
    --line:#2D323A;
    --bronze:#E2AE4E;
    --bronze-deep:#E2AE4E;
  }
}
:root[data-theme="dark"]{
  --ground:#171A1F; --surface:#1F232A; --ink:#ECEDE8; --shadow:#A5A9A2; --line:#2D323A; --bronze:#E2AE4E; --bronze-deep:#E2AE4E;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--body);font-size:18px;line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:inherit}
.wrap{width:min(var(--wrap),100% - 2.5rem);margin-inline:auto}
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:1rem;top:1rem;background:var(--ink);color:var(--ground);padding:.5rem .8rem;z-index:50}

h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-.01em;text-wrap:balance;margin:0}
h1{font-size:clamp(2.4rem,6vw,4.6rem);line-height:1.02;font-variation-settings:"opsz" 96}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);line-height:1.12}
h3{font-size:1.2rem;line-height:1.3}
p{margin:0}
.eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--bronze-deep);margin-bottom:1rem}
.lede{font-size:clamp(1.15rem,1.6vw,1.35rem);line-height:1.55;color:var(--shadow);max-width:38rem}
.muted{color:var(--shadow)}
.mono{font-family:var(--mono)}

/* header */
.bar{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--ground) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar__in{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:4rem}
.mark{display:inline-flex;align-items:center;gap:.55rem;text-decoration:none;font-family:var(--display);font-weight:600;font-size:1.15rem}
.nav{display:flex;align-items:center;gap:1.4rem;font-size:.95rem}
.nav a{text-decoration:none;color:var(--shadow)}
.nav a[aria-current]{color:var(--ink)}
.nav a:hover{color:var(--ink)}
@media (max-width:640px){.nav a:not(.btn){display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;font-weight:500;background:var(--ink);color:var(--ground);padding:.8rem 1.2rem;border-radius:.5rem;border:1px solid transparent;transition:transform .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn--small{padding:.5rem .85rem;font-size:.9rem;color:var(--ground) !important}
.btn--big{padding:1rem 1.5rem;font-size:1.05rem}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}

/* hero */
.hero{padding:clamp(3rem,8vw,6.5rem) 0 clamp(2.5rem,6vw,4.5rem)}
.hero--page{padding-bottom:clamp(1.5rem,4vw,2.5rem)}
.hero--home .wrap{display:grid;gap:clamp(2rem,5vw,4rem);grid-template-columns:1.15fr 1fr;align-items:center}
@media (max-width:880px){.hero--home .wrap{grid-template-columns:1fr}}
.hero__actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.75rem}
.hero__copy .lede{margin-top:1.25rem}

/* the dial: a printed card, a gnomon, a shadow that moves */
.dial{position:relative;justify-self:center;width:min(100%,26rem)}
.dial__card{position:relative;background:var(--card);color:#15171A;border-radius:1rem;padding:1.4rem;box-shadow:0 30px 60px -30px rgb(0 0 0/.35),0 1px 0 rgb(0 0 0/.04);overflow:hidden;isolation:isolate}
.dial__card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgb(21 23 26/.05));pointer-events:none}
.dial__shadow{position:absolute;left:50%;top:50%;width:140%;height:6rem;margin-top:-3rem;transform-origin:0 50%;transform:rotate(var(--t,20deg));background:linear-gradient(90deg,rgb(21 23 26/.28),rgb(21 23 26/.12) 60%,transparent);filter:blur(14px);opacity:var(--sun,1);pointer-events:none;z-index:1;transition:transform .25s ease,opacity .4s ease}
@media (prefers-reduced-motion:reduce){.dial__shadow{transition:none}}
.dial__gnomon{position:absolute;left:50%;top:50%;width:.6rem;height:.6rem;margin:-.3rem;border-radius:50%;background:var(--bronze);box-shadow:0 0 0 4px rgb(217 154 43/.25);z-index:2}
.dial__label{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:#5F625B;display:flex;justify-content:space-between;gap:1rem}
.dial__qr{display:block;width:72%;margin:1rem auto .6rem;position:relative;z-index:0}
.dial__name{font-family:var(--display);font-weight:600;font-size:1.2rem;text-align:center}
.dial__url{font-family:var(--mono);font-size:.72rem;color:#5F625B;text-align:center;margin-top:.15rem}
.dial__read{margin-top:1.1rem;background:var(--surface);border:1px solid var(--line);border-radius:.75rem;padding:.9rem 1rem}
.dial__time{font-family:var(--mono);font-size:.8rem;color:var(--shadow);display:flex;justify-content:space-between;gap:1rem}
.dial__to{margin-top:.35rem;font-family:var(--display);font-weight:600;font-size:1.25rem;line-height:1.2}
.dial__to small{display:block;font-family:var(--mono);font-weight:400;font-size:.75rem;color:var(--shadow);margin-top:.2rem;word-break:break-all}
.dial__range{width:100%;margin-top:.8rem;accent-color:var(--bronze)}
.dial__strip{display:grid;grid-template-columns:repeat(24,1fr);gap:2px;margin-top:.6rem;height:6px}
.dial__strip i{display:block;border-radius:2px;background:var(--line)}
.dial__strip i.is-rule{background:var(--bronze);opacity:.55}
.dial__strip i.is-now{outline:2px solid var(--ink);outline-offset:1px}
.dial__hint{font-size:.78rem;color:var(--shadow);margin-top:.5rem}

/* sections */
section{padding:clamp(2.5rem,6vw,5rem) 0}
.section-head{max-width:40rem;margin-bottom:2rem}
.section-head p{margin-top:.75rem;color:var(--shadow)}
.two{display:grid;gap:2.5rem;grid-template-columns:1fr 1fr;align-items:start}
@media (max-width:760px){.two{grid-template-columns:1fr}}
.prose{max-width:40rem}
.prose p+p{margin-top:1rem}
.prose a{color:var(--bronze-deep);text-underline-offset:.2em}
.steps{display:grid;gap:1.5rem;grid-template-columns:repeat(3,1fr);counter-reset:step}
@media (max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:var(--surface);border:1px solid var(--line);border-radius:1rem;padding:1.4rem;counter-increment:step}
.step::before{content:counter(step,decimal-leading-zero);display:block;font-family:var(--mono);font-size:.75rem;letter-spacing:.12em;color:var(--bronze-deep);margin-bottom:.9rem}
.step p{margin-top:.5rem;color:var(--shadow);font-size:1rem}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(3,1fr)}
@media (max-width:880px){.grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.grid{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:1rem;padding:1.3rem}
.card p{margin-top:.4rem;color:var(--shadow);font-size:1rem}
.card--dark{background:var(--ink);color:var(--ground);border-color:var(--ink)}
.card--dark p{color:color-mix(in srgb,var(--ground) 72%,transparent)}

/* day strip graphic */
.day{background:var(--surface);border:1px solid var(--line);border-radius:1rem;padding:1.25rem;margin-top:1.5rem}
.day__row{display:grid;grid-template-columns:9rem 1fr;gap:1rem;align-items:center;padding:.55rem 0;border-top:1px dashed var(--line)}
.day__row:first-of-type{border-top:0}
.day__name{font-size:.95rem}
.day__name small{display:block;font-family:var(--mono);font-size:.7rem;color:var(--shadow)}
.day__bar{position:relative;height:12px;background:var(--line);border-radius:6px;overflow:hidden}
.day__bar i{position:absolute;top:0;bottom:0;background:var(--bronze);border-radius:6px}
.day__bar i.is-fallback{background:var(--shadow);opacity:.5}
.day__scale{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.68rem;color:var(--shadow);margin:.6rem 0 0 10rem}
@media (max-width:560px){.day__row{grid-template-columns:1fr}.day__scale{margin-left:0}}

/* faq */
.faq{max-width:46rem}
.faq details{border-top:1px solid var(--line);padding:1rem 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-family:var(--display);font-weight:600;font-size:1.1rem;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--bronze-deep)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:.75rem;color:var(--shadow);max-width:40rem}

/* closer + footer */
.closer{background:var(--ink);color:var(--ground);padding:clamp(3rem,7vw,5.5rem) 0}
.closer__in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:2rem}
.closer h2{color:var(--ground)}
.closer p{margin-top:.6rem;max-width:34rem;color:color-mix(in srgb,var(--ground) 75%,transparent)}
.closer .btn{background:var(--bronze);color:#15171A}
.foot{border-top:1px solid var(--line);padding:2rem 0;font-size:.9rem;color:var(--shadow)}
.foot__in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem}
.foot__maker{max-width:32rem}
.foot__maker a{color:var(--ink)}
.foot__links{display:flex;flex-wrap:wrap;gap:1rem}
.foot__links a{text-decoration:none}
.foot__links a:hover{text-decoration:underline}

/* reveal */
.rise{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.rise.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rise{opacity:1;transform:none;transition:none}}