/* RenewKeep — matches the app: light canvas, one indigo, glass panes.
   coinpricealert.com was rejected twice until its site used the app's own
   palette; a dark or off-brand marketing site reads as a different product.
   System font stack on purpose: zero font requests, best Core Web Vitals. */
:root{
  --bg:#EDF1F9; --card:#fff; --ink:#131320; --sub:#6B6B7B; --faint:#8A8A9C;
  --primary:#4F46E5; --primary-dark:#3A32BE; --primary-soft:#ECEBFE;
  --success:#0E7F3F; --success-soft:#E4F6EB; --warn:#976514; --warn-soft:#FEF2E0;
  --danger:#C33D41; --danger-soft:#FDECEC;
  --stroke:rgba(42,64,120,.10); --glass:rgba(250,252,255,.72);
  --r:22px; --r-sm:14px;
  --shadow:0 12px 26px rgba(27,27,58,.10); --shadow-soft:0 4px 12px rgba(27,27,58,.06);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.55;font-size:16px;
  /* the lit canvas the app has: soft blue blooms under everything */
  background-image:
    radial-gradient(520px 520px at -8% -6%, rgba(79,123,255,.20), transparent 60%),
    radial-gradient(420px 420px at 108% 18%, rgba(63,169,224,.13), transparent 60%),
    radial-gradient(420px 420px at -6% 70%, rgba(107,139,255,.11), transparent 60%);
  background-attachment:fixed;}
img{max-width:100%;height:auto;display:block}   /* height:auto is load-bearing — see img-dimensions memory */
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 .4em}
h1{font-size:clamp(2rem,5vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.45rem,3vw,2rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}

/* ---- nav: scoped to body > nav so breadcrumb <nav>s are never hijacked ---- */
body > nav{position:sticky;top:0;z-index:50;background:var(--glass);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  border-bottom:1px solid var(--stroke)}
body > nav .wrap{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.1rem;color:var(--ink)}
.brand img{width:30px;height:30px;border-radius:9px}
.nav-links{display:flex;gap:20px;margin-left:auto;align-items:center}
.nav-links a{color:var(--sub);font-weight:600;font-size:.95rem}
.nav-links a:hover{color:var(--ink);text-decoration:none}
.nav-cta{background:var(--primary);color:#fff!important;padding:9px 16px;border-radius:999px;font-weight:700}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--stroke);border-radius:10px;width:40px;height:40px;cursor:pointer;font-size:20px}
@media (max-width:820px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--card);border-bottom:1px solid var(--stroke);padding:12px 20px;gap:4px;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 4px;border-bottom:1px solid var(--stroke)}
  .nav-cta{text-align:center;margin-top:8px;border:0}
  .burger{display:block}
}

/* ---- glass pane: the app's surface, in CSS ---- */
.pane{background:var(--glass);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  border:1px solid var(--stroke);border-radius:var(--r);box-shadow:var(--shadow-soft);position:relative;overflow:hidden}
.pane::before{content:"";position:absolute;inset:0 0 auto 0;height:40px;
  background:linear-gradient(rgba(255,255,255,.7),rgba(255,255,255,0));pointer-events:none}
.pane > *{position:relative}
.pad{padding:22px}

/* ---- hero ---- */
.hero{padding:56px 0 34px}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--primary-soft);color:var(--primary);
  font-weight:700;font-size:.85rem;padding:6px 12px;border-radius:999px;margin-bottom:16px}
.hero .lead{font-size:1.2rem;color:var(--sub);max-width:34rem}
.hero .accent{color:var(--primary)}
.ticks{display:flex;flex-wrap:wrap;gap:12px 20px;margin:18px 0 0;padding:0;list-style:none;color:var(--sub);font-size:.95rem}
.ticks li::before{content:"✓ ";color:var(--success);font-weight:800}
.phone{justify-self:center;width:min(330px,80vw);border-radius:38px;padding:10px;background:#131320;box-shadow:0 30px 60px rgba(27,27,58,.28)}
.phone img{border-radius:30px;aspect-ratio:390/844;object-fit:cover}
@media (max-width:820px){.hero .wrap{grid-template-columns:1fr}.hero{padding:34px 0 20px}.phone{width:min(280px,80vw)}}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 22px;border-radius:26px;
  font-weight:700;font-size:1rem;border:0;cursor:pointer;text-decoration:none!important}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 10px 18px rgba(79,70,229,.30)}
.btn-ghost{background:var(--glass);color:var(--ink);border:1px solid var(--stroke)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;align-items:center}

/* store badges — official artwork; Google's PNG bakes in clear space, hence taller */
.badges{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.badges img.apple{height:48px;width:auto}
.badges img.google{height:62px;width:auto;margin:-7px 0}

/* waitlist */
.waitlist{display:flex;gap:10px;max-width:460px;margin-top:22px}
.waitlist input{flex:1;height:52px;border-radius:26px;border:1px solid var(--stroke);background:rgba(255,255,255,.85);padding:0 18px;font:inherit;font-size:1rem}
.waitlist .note{font-size:.85rem;color:var(--faint);margin-top:8px}
@media (max-width:480px){.waitlist{flex-direction:column}}

/* ---- sections ---- */
section{padding:44px 0}
.section-head{max-width:640px;margin-bottom:24px}
.section-head p{color:var(--sub);font-size:1.05rem}
.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.grid-3{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.grid-3,.grid-2{grid-template-columns:1fr}}
.icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary);margin-bottom:12px}
.icon svg{width:22px;height:22px;fill:currentColor}
.feature h3{margin-top:0}
.feature p{color:var(--sub);margin:0}

/* screens strip */
.screens{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.screens figure{margin:0}
.screens img{border-radius:22px;border:1px solid var(--stroke);box-shadow:var(--shadow-soft)}
.screens figcaption{font-size:.9rem;color:var(--sub);margin-top:8px;text-align:center}
@media (max-width:900px){.screens{grid-template-columns:repeat(2,1fr)}}

/* comparison table */
.tblwrap{overflow-x:auto;-webkit-overflow-scrolling:touch}   /* or the whole page scrolls sideways */
table.cmp{width:100%;border-collapse:collapse;font-size:.95rem;min-width:640px}
table.cmp th,table.cmp td{padding:12px 14px;border-bottom:1px solid var(--stroke);text-align:left;vertical-align:top}
table.cmp th{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--sub)}
table.cmp tr.us{background:var(--primary-soft)}
.yes{color:var(--success);font-weight:700}
.no{color:var(--danger);font-weight:700}
.meh{color:var(--warn);font-weight:700}

/* prose / guides */
.prose{max-width:720px;margin:0 auto;font-size:1.06rem}
.prose h2{margin-top:2em}
.prose h3{margin-top:1.6em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:.35em 0}
.prose .answer{background:var(--primary-soft);border-left:4px solid var(--primary);padding:14px 18px;border-radius:0 var(--r-sm) var(--r-sm) 0;font-size:1.05rem}
.prose .callout{background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-sm);padding:16px 18px}
.byline{display:flex;align-items:center;gap:12px;color:var(--sub);font-size:.95rem;margin:14px 0 26px}
.byline .avatar{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800}
.crumb{font-size:.9rem;color:var(--sub);margin:18px 0 6px;position:static;background:none;border:0}
.crumb a{color:var(--sub)}
.postlinks{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.postlinks a{background:var(--glass);border:1px solid var(--stroke);border-radius:999px;padding:8px 14px;font-size:.9rem;font-weight:600;color:var(--ink)}
.postlinks a:hover{text-decoration:none;border-color:var(--primary);color:var(--primary)}

/* tool */
.tool{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
@media (max-width:820px){.tool{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--sub)}
.field input,.field select{height:48px;border-radius:14px;border:1px solid var(--stroke);background:rgba(255,255,255,.85);padding:0 14px;font:inherit;font-size:1rem}
.result{font-size:1.4rem;font-weight:800}
.result.ok{color:var(--success)}.result.bad{color:var(--danger)}.result.warn{color:var(--warn)}

/* faq */
details{border-bottom:1px solid var(--stroke);padding:14px 0}
summary{cursor:pointer;font-weight:700;font-size:1.05rem;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--primary);font-weight:800}
details[open] summary::after{content:"–"}
details p{color:var(--sub);margin:10px 0 0}

/* footer */
footer{background:#131320;color:#B8B8C7;padding:44px 0 26px;margin-top:40px;font-size:.95rem}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
footer h4{color:#fff;margin:0 0 12px;font-size:.95rem}
footer a{color:#B8B8C7}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:8px 0}
footer .fine{margin-top:28px;border-top:1px solid rgba(255,255,255,.1);padding-top:18px;font-size:.85rem;color:#8A8A9C}
@media (max-width:820px){footer .cols{grid-template-columns:1fr 1fr}}
.sr{position:absolute;left:-9999px}