/* Relay website — "Indie Letter" style. Spec: Design/Implementation/WEBSITE_STYLE.md */
:root{
  --paper:#F6F1E7; --paper-2:#EFE7D8; --card:#FFFDF8; --ink:#1B1A17; --mute:#6B655A; --rule:#D9CFBD; --line:#EFE6D6;
  --blue:#0057D8; --pink:#B23A7A; --teal:#007780; --brick:#A8473A; --hl:#FFE38A;
  --serif:"Instrument Serif","Noto Serif SC",serif; --cn-serif:"Noto Serif SC",serif;
  --sans:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif; --hand:"Caveat",cursive;
  --mono:ui-monospace,"SF Mono",Menlo,monospace;
  --gutter:40px; --max:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:clip}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}

/* nav */
/* Sticky nav: once the page scrolls, a full-bleed progressive blur fades out below the bar */
.nav{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:28px 0;font-size:15px;transition:padding .3s ease}
/* The blur layers overshoot the viewport by 64px on the left, right and top: WebKit samples
   transparent pixels past a backdrop-filter's edge, which darkens the rim; the overshoot keeps
   that rim off-screen (clipped by body overflow-x and the viewport top). */
.nav::before,.nav::after{content:"";position:absolute;z-index:-1;top:-64px;left:calc(50% - 50vw - 64px);right:calc(50% - 50vw - 64px);
  pointer-events:none;opacity:0;transition:opacity .3s ease}
.nav::before{bottom:-36px;
  background:linear-gradient(rgba(246,241,231,.86) calc(100% - 60px),rgba(246,241,231,.6) calc(100% - 24px),rgba(246,241,231,0));
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  -webkit-mask-image:linear-gradient(#000 calc(100% - 56px),transparent);mask-image:linear-gradient(#000 calc(100% - 56px),transparent)}
.nav::after{bottom:0;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  -webkit-mask-image:linear-gradient(#000 calc(100% - 26px),transparent);mask-image:linear-gradient(#000 calc(100% - 26px),transparent)}
.nav.is-stuck{padding:16px 0}
.nav.is-stuck::before,.nav.is-stuck::after{opacity:1}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:30px;line-height:1}
.logo svg{width:32px;height:32px}
.nav .links{display:flex;gap:28px;color:var(--mute)}
.nav .links a:hover,.nav .links a[aria-current]{color:var(--ink)}

/* shared bits */
.hand{font-family:var(--hand);color:var(--pink)}
.u{background:linear-gradient(transparent 62%,var(--hl) 62%)}
.btn{display:inline-block;background:var(--ink);color:var(--paper);padding:15px 26px;border-radius:999px;font-weight:700}
.btn-line{border-bottom:2px solid var(--ink);padding-bottom:2px;font-weight:500}
.sec{padding:110px 0}
.sec-h{display:flex;align-items:baseline;gap:22px;margin-bottom:56px;border-bottom:1px solid var(--rule);padding-bottom:20px;flex-wrap:wrap}
.sec-h span{font-family:var(--serif);font-style:italic;font-size:26px;color:var(--pink)}
.sec-h h2{font-family:var(--cn-serif);font-size:44px;font-weight:900;line-height:1.2;text-wrap:balance}
.sec-h p{flex-basis:100%;color:var(--mute);font-size:16px}

/* device frames */
.mac{border-radius:14px;overflow:hidden;box-shadow:0 0 0 1px rgba(0,0,0,.08),0 30px 60px -25px rgba(60,40,10,.45)}
.mac img{width:100%}
/* iPhone 17 Pro proportions: screen radius ≈13.7% and Dynamic Island 125×37 pt at 11 pt of a 402 pt-wide screen */
.phone{container-type:inline-size;position:relative}
.phone .device{position:relative;padding:2.6cqw;border-radius:16cqw;background:#0A0A0B;
  box-shadow:0 0 0 .55cqw #2A2A2C,0 0 0 1.05cqw #B9B4AC,0 0 0 1.35cqw #8E8981,0 34px 60px -24px rgba(60,40,10,.55),0 10px 18px -10px rgba(60,40,10,.35)}
.phone .device img{border-radius:13.4cqw;width:100%}
.phone .device::before{content:"";position:absolute;z-index:1;top:5cqw;left:50%;width:29.3cqw;height:8.7cqw;margin-left:-14.65cqw;background:#000;border-radius:8.7cqw}
.phone .device::after{content:"";position:absolute;left:-2.2cqw;top:20cqw;width:.9cqw;height:7cqw;border-radius:.5cqw;background:#A7A29A;
  box-shadow:0 13cqw 0 #A7A29A,0 24cqw 0 #A7A29A,calc(100cqw + 3.5cqw) 6cqw 0 #A7A29A}
/* iPad Pro 13" proportions: uniform thin bezel, rounded display, front camera on the long edge (right side in portrait) */
.pad{container-type:inline-size;position:relative}
.pad .device{position:relative;padding:2.8cqw;border-radius:6.4cqw;background:#0A0A0B;
  box-shadow:0 0 0 .4cqw #2A2A2C,0 0 0 .8cqw #B9B4AC,0 0 0 1cqw #8E8981,0 34px 60px -24px rgba(60,40,10,.5),0 10px 18px -10px rgba(60,40,10,.3)}
.pad .device img{border-radius:3.6cqw;width:100%}
.pad .device::before{content:"";position:absolute;right:1.1cqw;top:50%;width:.7cqw;height:.7cqw;margin-top:-.35cqw;border-radius:50%;background:#1E2430}
.pad .device::after{content:"";position:absolute;top:-1.6cqw;right:9cqw;width:7cqw;height:.7cqw;border-radius:.4cqw;background:#A7A29A}

/* footer */
.foot{border-top:1px solid var(--rule);padding:44px 0 70px;display:flex;justify-content:space-between;align-items:flex-end;color:var(--mute);font-size:14px;gap:24px;flex-wrap:wrap}
.foot .big{font-family:var(--serif);font-size:44px;color:var(--ink);line-height:1}
.foot .l{display:flex;gap:24px;flex-wrap:wrap}
.foot .l a{border-bottom:1px solid var(--mute)}
.foot .l a:hover{color:var(--ink);border-color:var(--ink)}

/* long-form documents (privacy / terms) */
.doc-head{padding:70px 0 50px;max-width:820px}
.doc-head .hand{font-size:28px;display:inline-block;transform:rotate(-3deg)}
.doc-head h1{font-family:var(--cn-serif);font-weight:900;font-size:60px;line-height:1.15;margin:8px 0 18px}
.doc-head .meta{color:var(--mute);font-size:15px}
.doc{display:grid;grid-template-columns:220px 1fr;gap:64px;padding-bottom:100px;align-items:start}
.toc{position:sticky;top:100px;font-size:14px;color:var(--mute);border-left:2px solid var(--rule);padding-left:18px}
.toc b{display:block;font-family:var(--serif);font-style:italic;font-weight:400;font-size:20px;color:var(--pink);margin-bottom:10px}
.toc a{display:block;padding:5px 0}
.toc a:hover{color:var(--ink)}
.body{max-width:720px;font-size:16.5px;line-height:1.95}
.tldr{background:var(--card);border:1px solid var(--rule);padding:34px 40px;margin-bottom:56px;position:relative;
  background-image:repeating-linear-gradient(transparent 0 33px,var(--line) 33px 34px);line-height:34px}
.tldr::before{content:"";position:absolute;top:-13px;left:50%;width:110px;height:26px;margin-left:-55px;background:rgba(255,227,138,.8);transform:rotate(-2deg)}
/* Every vertical gap is a multiple of the 34px ruling so each text line sits on a ruled line */
.body .tldr h2{display:block;font-family:var(--cn-serif);font-size:22px;line-height:34px;margin:0}
.body .tldr ul{list-style:none;margin:0}
.body .tldr li{margin:0}
.tldr li{padding-left:1.3em;text-indent:-1.3em}
.tldr li::before{content:"✓";display:inline-block;width:1.3em;text-indent:0;color:var(--teal);font-weight:700}
.body section{padding-top:18px;margin-bottom:40px;scroll-margin-top:20px}
.body h2{font-family:var(--cn-serif);font-size:26px;line-height:1.4;margin-bottom:14px;display:flex;gap:14px;align-items:baseline}
.body h2 .n{font-family:var(--serif);font-weight:400;color:var(--blue);font-size:30px}
.body h3{font-size:17px;margin:22px 0 6px}
.body p{margin-bottom:14px}
.body ul,.body ol{margin:0 0 16px 1.3em}
.body li{margin-bottom:6px}
.body a{color:var(--blue);border-bottom:1px solid rgba(0,87,216,.35)}
.body strong{font-weight:700}
.body table{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0 20px;line-height:1.7}
.body th,.body td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--rule)}
.body th{font-weight:700;background:var(--paper-2)}
.body code{font-family:var(--mono);font-size:.9em;background:var(--paper-2);padding:1px 6px;border-radius:4px}

@media (max-width:900px){
  :root{--gutter:16px}
  .nav .links{gap:16px;font-size:14px}
  .sec{padding:60px 0}
  .sec-h{flex-direction:column;align-items:flex-start;gap:4px;margin-bottom:36px}
  .sec-h span{font-size:22px}
  .sec-h h2{font-size:30px}
  .doc{grid-template-columns:1fr;gap:24px}
  .toc{display:none}
  .doc-head h1{font-size:40px}
  .tldr{padding:34px 22px}
}
@media (max-width:560px){
  .nav .links a.opt{display:none}
  /* Two-column tables stack: the first cell becomes a bold label above its value */
  .body table,.body tbody,.body tr,.body td{display:block;width:auto!important}
  .body tr:first-child:has(th){display:none}
  .body tr{padding:12px 0;border-bottom:1px solid var(--rule)}
  .body td{border:0;padding:0}
  .body td:first-child{font-weight:700;margin-bottom:2px}
  .body td:last-child{color:var(--mute)}
}