/* Catch Book site. No external fonts, no frameworks. */
:root{
  --ink:#0b1b2b; --muted:#4a5b6c; --line:#dfe6ee; --bg:#ffffff; --soft:#f3f7fb;
  --sea:#0a5c8a; --sea-2:#0b7bbd; --sea-dark:#06324d; --coral:#e8483b; --sun:#ffb53d;
  --radius:18px; --max:1120px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Inter,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--sea-2);text-underline-offset:2px}
a:hover{color:var(--sea)}
:focus-visible{outline:3px solid var(--sun);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;border-radius:8px;z-index:10}
.skip:focus{left:8px}

/* Header */
.site-header{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.88);backdrop-filter:saturate(1.6) blur(12px);-webkit-backdrop-filter:saturate(1.6) blur(12px);border-bottom:1px solid rgba(0,0,0,.06)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--ink);text-decoration:none;letter-spacing:-.2px}
.brand img{width:34px;height:34px;border-radius:8px}
.nav-links{display:flex;gap:22px;font-size:15px}
.nav-links a{color:var(--muted);text-decoration:none}
.nav-links a:hover{color:var(--ink)}
@media (max-width:640px){.nav-links .hide-sm{display:none}.nav-links{gap:16px}}

/* Hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,#bfe3ff 0,transparent 60%),linear-gradient(180deg,#e9f5ff 0,#fff 100%);padding:64px 0 40px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.app-icon{width:92px;height:92px;border-radius:22px;box-shadow:0 8px 24px rgba(10,92,138,.25)}
.hero h1{font-size:clamp(40px,6vw,64px);line-height:1.04;margin:20px 0 12px;letter-spacing:-1.5px}
.hero .tagline{font-size:clamp(19px,2.3vw,24px);color:var(--muted);margin:0 0 26px;max-width:30ch}
.hero-phones{position:relative;display:flex;justify-content:center;gap:0}
.hero-phones .phone:first-child{transform:rotate(-4deg) translateX(22px);z-index:1;margin-top:40px}
.hero-phones .phone:last-child{transform:rotate(4deg) translateX(-22px)}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr;text-align:center}.hero .tagline{margin-left:auto;margin-right:auto}.app-icon{margin:0 auto}.badges{justify-content:center}.hero-phones .phone{width:200px}}

/* App Store badge area */
.badges{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.store-badge{display:inline-flex;align-items:center;gap:10px;background:#000;color:#fff;border-radius:12px;padding:10px 18px;text-decoration:none;line-height:1.1}
.store-badge svg{width:26px;height:26px;fill:#fff}
.store-badge small{display:block;font-size:11px;opacity:.85}
.store-badge strong{font-size:19px;font-weight:600;letter-spacing:-.2px}
.store-badge[aria-disabled="true"]{cursor:default;opacity:.92}
.pill{display:inline-block;font-size:13px;font-weight:600;color:var(--sea);background:#e3f1fb;border-radius:999px;padding:6px 12px}

/* Phone frame around screenshots (drop real screenshots in assets/screens/) */
.phone{width:260px;max-width:100%;border-radius:46px;padding:10px;background:linear-gradient(145deg,#2a2f36,#0d0f12);box-shadow:0 1px 0 1px #3a4048 inset,0 30px 60px -20px rgba(6,50,77,.45),0 12px 24px -12px rgba(0,0,0,.35);flex:none}
.phone img{border-radius:37px;width:100%;aspect-ratio:393/852;object-fit:cover;background:#f2f2f7}

/* Sections */
section{padding:72px 0}
.section-title{font-size:clamp(28px,3.6vw,40px);letter-spacing:-.8px;line-height:1.15;margin:0 0 12px}
.lead{color:var(--muted);font-size:19px;max-width:60ch;margin:0}
.center{text-align:center}.center .lead{margin:0 auto}
.feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:36px 0}
.feature:nth-child(even) .feature-media{order:-1}
.feature-media{display:flex;justify-content:center}
.feature h3{font-size:clamp(24px,2.8vw,30px);letter-spacing:-.5px;margin:0 0 10px;line-height:1.2}
.feature p{color:var(--muted);margin:0 0 14px}
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.ticks li{padding-left:28px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:16px;height:16px;border-radius:50%;background:var(--sea-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.3l2.5 2.4L12 5.4' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}
@media (max-width:860px){.feature{grid-template-columns:1fr;gap:28px;text-align:left}.feature:nth-child(even) .feature-media{order:0}.feature .phone{width:240px}}
.mock-note{font-size:13px;color:var(--muted);text-align:center;margin-top:12px}
.alt{background:var(--soft)}

/* Privacy band */
.privacy-band{background:linear-gradient(160deg,var(--sea-dark),var(--sea));color:#fff}
.privacy-band .lead{color:#d6e9f6}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.tile{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:22px}
.tile h3{margin:6px 0 6px;font-size:19px}
.tile p{margin:0;color:#d6e9f6;font-size:16px}
.tile .ico{font-size:26px}
@media (max-width:860px){.grid3{grid-template-columns:1fr}}

/* Pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.plan{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;display:flex;flex-direction:column}
.plan h3{margin:0;font-size:20px}
.plan .price{font-size:40px;font-weight:700;letter-spacing:-1px;margin:10px 0 2px}
.plan .price small{font-size:16px;font-weight:500;color:var(--muted);letter-spacing:0}
.plan p{color:var(--muted);margin:6px 0 0;font-size:16px}
.plan.best{border:2px solid var(--sea-2);box-shadow:0 18px 40px -24px rgba(11,123,189,.6);position:relative}
.plan.best .flag{position:absolute;top:-13px;left:24px;background:var(--sea-2);color:#fff;font-size:13px;font-weight:700;border-radius:999px;padding:4px 12px}
.fine{font-size:14px;color:var(--muted);margin-top:22px}
@media (max-width:860px){.plans{grid-template-columns:1fr}}

/* FAQ */
.faq{max-width:780px;margin:30px auto 0}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;font-size:18px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:400;font-size:24px;line-height:1;color:var(--sea-2);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p,.faq details ol,.faq details ul{color:var(--muted);margin:10px 0 0}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:34px 0 46px;font-size:15px;color:var(--muted)}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center}
.site-footer nav{display:flex;gap:20px;flex-wrap:wrap}
.site-footer a{color:var(--muted)}
.attribution{font-size:13px;width:100%;margin:0}

/* Legal / text pages */
.doc{max-width:760px;margin:0 auto;padding:48px 22px 72px}
.doc h1{font-size:clamp(32px,4.5vw,44px);letter-spacing:-1px;line-height:1.1;margin:0 0 6px}
.doc .meta{color:var(--muted);margin:0 0 28px}
.doc h2{font-size:23px;margin:36px 0 8px;letter-spacing:-.3px}
.doc h3{font-size:18px;margin:22px 0 6px}
.doc p,.doc li{color:#25384a}
.doc ul,.doc ol{padding-left:22px}
.doc li{margin:4px 0}
.callout{background:var(--soft);border:1px solid var(--line);border-left:4px solid var(--sea-2);border-radius:12px;padding:14px 18px;margin:18px 0}
.callout.warn{border-left-color:var(--coral)}
.toc{background:var(--soft);border-radius:12px;padding:14px 20px;margin:0 0 10px}
.toc ul{margin:6px 0 0;columns:2;gap:24px}
@media (max-width:600px){.toc ul{columns:1}}
.btn{display:inline-block;background:var(--sea-2);color:#fff;text-decoration:none;font-weight:600;border-radius:12px;padding:12px 20px}
.btn:hover{background:var(--sea);color:#fff}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media (max-width:600px){.hero-phones .phone:last-child{display:none}.hero-phones .phone:first-child{transform:none;margin-top:8px;width:230px}}