:root{
  --bg:#0a0a0c; --card:#16161a; --card2:#1f1f25; --line:#2a2a31;
  --txt:#f4f4f7; --dim:#8c8c96; --dim2:#5e5e66;
  --green:#34c759; --orange:#ff9f0a; --blue:#0a84ff;
  --brand:#ff4d6d; --brand2:#ff8a3d;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  margin:0;background:#000;color:var(--txt);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:760px;margin:0 auto;padding:0 22px}

/* nav */
header.site{position:sticky;top:0;z-index:20;
  background:rgba(10,10,12,.78);backdrop-filter:saturate(160%) blur(20px);
  border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;letter-spacing:-.3px}
.brand img{width:30px;height:30px;border-radius:8px}
header.site nav a{color:var(--dim);font-weight:600;font-size:15px;margin-left:20px}
header.site nav a:hover{color:var(--txt);text-decoration:none}

/* hero */
.hero{text-align:center;padding:74px 0 60px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-80px;left:50%;transform:translateX(-50%);
  width:520px;height:520px;border-radius:50%;filter:blur(70px);opacity:.28;z-index:0;
  background:radial-gradient(circle,var(--brand),var(--brand2) 45%,transparent 70%)}
.hero>*{position:relative;z-index:1}
.hero img.app{width:108px;height:108px;border-radius:24px;box-shadow:0 18px 50px rgba(0,0,0,.55);margin-bottom:24px}
.hero h1{font-size:44px;font-weight:850;letter-spacing:-1.2px;margin:0 0 14px}
.hero .tag{font-size:20px;color:var(--txt);max-width:560px;margin:0 auto 8px;font-weight:600}
.hero .sub{font-size:16px;color:var(--dim);max-width:540px;margin:0 auto 30px}
.chips{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:34px}
.chip{font-size:12.5px;font-weight:700;color:var(--dim);border:1px solid var(--line);
  border-radius:999px;padding:6px 13px;letter-spacing:.3px}
.btn{display:inline-block;font-weight:750;font-size:16px;padding:13px 26px;border-radius:14px;
  background:linear-gradient(120deg,var(--brand),var(--brand2));color:#fff}
.btn:hover{text-decoration:none;opacity:.92}
.btn.ghost{background:none;border:1px solid var(--line);color:var(--txt)}
.btnrow{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* sections */
section{padding:48px 0;border-top:1px solid var(--line)}
.eyebrow{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:1.3px;color:var(--brand);margin:0 0 10px}
h2{font-size:30px;font-weight:820;letter-spacing:-.6px;margin:0 0 24px}
h3{font-size:18px;font-weight:750;margin:0 0 6px}
p{color:#d7d7dd}
.lead{color:var(--dim);font-size:17px;max-width:620px}

.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px}
.feat .ic{font-size:26px;margin-bottom:10px;display:block}
.feat p{color:var(--dim);font-size:14.5px;margin:0}

table.modes{width:100%;border-collapse:collapse;margin-top:6px}
table.modes th,table.modes td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top}
table.modes th{color:var(--dim);font-size:12px;text-transform:uppercase;letter-spacing:.6px;font-weight:700}
table.modes td b{color:var(--brand)}

/* privacy / prose */
.prose h2{font-size:24px;margin-top:38px}
.prose h3{font-size:17px;margin-top:26px;color:var(--txt)}
.prose p,.prose li{color:#d7d7dd;font-size:16px}
.prose ul{padding-left:22px}
.prose li{margin:7px 0}
.prose .meta{color:var(--dim);font-size:14px}
.callout{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--green);
  border-radius:12px;padding:16px 18px;margin:22px 0}
.callout b{color:var(--green)}

footer.site{border-top:1px solid var(--line);padding:34px 0 56px;color:var(--dim2);font-size:14px;text-align:center}
footer.site a{color:var(--dim)}

/* topic cards (how-it-works) */
.topic{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;margin:16px 0}
.topic h3{display:flex;align-items:center;gap:10px;font-size:18px;margin:0 0 10px}
.topic h3 .ic{font-size:22px}
.topic p{color:#d7d7dd;font-size:15.5px;margin:10px 0}
.topic .sub{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.8px;color:var(--dim);margin:16px 0 6px}
.topic ul{list-style:none;padding:0;margin:8px 0}
.topic li{position:relative;padding-left:18px;margin:8px 0;color:#d7d7dd;font-size:15.5px}
.topic li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.formula{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:600;color:var(--brand2);
  background:var(--card2);border-radius:10px;padding:10px 14px;margin:10px 0;font-size:15px}

/* FAQ */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;margin:10px 0;overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:16px 18px;font-weight:700;font-size:16.5px;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--brand);font-weight:800;font-size:20px;flex:0 0 auto}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .a{padding:14px 18px 18px;color:#d7d7dd;font-size:15.5px;line-height:1.65}
.faq .a a{color:var(--brand)}
.faqcat{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:1.1px;color:var(--brand);margin:34px 0 6px}

/* ===== screenshot galleries ===== */

/* Watch hero band — the instrument, shown first */
.watchband{position:relative;border-radius:28px;padding:34px 0 30px;margin-top:8px;overflow:hidden;
  background:radial-gradient(120% 140% at 50% -10%, rgba(255,77,109,.16), rgba(255,138,61,.06) 40%, transparent 70%),
             linear-gradient(180deg,#141418,#0d0d10);
  border:1px solid var(--line)}
.watchrow{display:flex;gap:26px;justify-content:center;align-items:flex-end;flex-wrap:wrap;padding:0 20px}
.wshot{text-align:center}
.wshot img{width:176px;border-radius:34px;display:block;
  border:4px solid #1c1c1e;box-shadow:0 16px 44px rgba(0,0,0,.55);background:#000}
.wshot.lead img{width:212px;box-shadow:0 22px 60px rgba(255,77,109,.22),0 16px 44px rgba(0,0,0,.6)}
.wshot .cap{font-size:13px;color:var(--dim);margin-top:12px;font-weight:600}
.wshot.lead .cap{color:var(--txt,#f4f4f7)}

/* Phone gallery — horizontal scroll of tall shots */
.shots{display:flex;gap:20px;overflow-x:auto;padding:8px 2px 20px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.shots::-webkit-scrollbar{height:0}
.shot{flex:0 0 auto;scroll-snap-align:center;text-align:center}
.shot img{width:216px;border-radius:30px;display:block;
  border:5px solid #1c1c1e;box-shadow:0 20px 56px rgba(0,0,0,.55);background:#000}
.shot .cap{font-size:13px;color:var(--dim);margin-top:11px;font-weight:600}

@media(max-width:560px){
  .hero h1{font-size:34px}.hero .tag{font-size:18px}
  h2{font-size:25px}.grid{grid-template-columns:1fr}
  .shot img{width:180px}
  .wshot img{width:140px}.wshot.lead img{width:168px}
  .watchrow{gap:18px}
}