@font-face{font-family:'Poppins';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/poppins-400-latin.woff2) format('woff2');}
@font-face{font-family:'Poppins';font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/poppins-500-latin.woff2) format('woff2');}
@font-face{font-family:'Poppins';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/poppins-600-latin.woff2) format('woff2');}
@font-face{font-family:'Poppins';font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/poppins-700-latin.woff2) format('woff2');}

:root{
  --cyan:#22D3EE;
  --blue:#2563EB;
  --grad:linear-gradient(135deg,#22D3EE 0%,#2563EB 100%);
  --ink:#0B1220;
  --muted:#5B6472;
  --bg:#ffffff;
  --surface:#F6F8FC;
  --surface-2:#EAF1FB;
  --border:rgba(11,18,32,.10);
  --radius:14px;
  --radius-lg:24px;
  --maxw:1080px;
  --font:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3{line-height:1.2;font-weight:600;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:700}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:1.15rem}
p{margin:0 0 1rem}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.center{text-align:center}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink);font-size:1.1rem}
.brand:hover{text-decoration:none}
.brand .bolt{width:26px;height:26px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--ink);font-size:.95rem;font-weight:500}
.nav-links a.muted{color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:999px;font-weight:600;font-size:.98rem;border:1px solid transparent;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(37,99,235,.28)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--border)}
.btn-ghost:hover{background:var(--surface)}

/* hero */
.hero{padding:72px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:.82rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--blue);background:var(--surface-2);padding:6px 14px;border-radius:999px;margin-bottom:20px}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:34ch;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{font-size:.85rem;color:var(--muted);margin-top:14px}
.app-icon{width:min(280px,72%);margin:0 auto;border-radius:22.5%;box-shadow:0 24px 60px rgba(11,18,32,.18);overflow:hidden}

/* sections */
section{padding:56px 0}
.section-head{max-width:62ch;margin:0 auto 40px}
.section-head.center{text-align:center}
.surface{background:var(--surface)}

/* feature cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px}
.card .ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--surface-2);margin-bottom:16px;font-size:24px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);margin:0;font-size:.96rem}

/* split / last-10% */
.split{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px}
.tile{border-radius:var(--radius-lg);padding:26px;border:1px solid var(--border)}
.tile h3{font-size:1rem;text-transform:uppercase;letter-spacing:.04em;font-size:.8rem;color:var(--muted)}
.tile.bad{background:var(--surface)}
.tile.good{background:linear-gradient(135deg,rgba(34,211,238,.10),rgba(37,99,235,.10));border-color:rgba(37,99,235,.22)}
.tile ul{margin:.5rem 0 0;padding-left:1.1rem}
.tile li{margin-bottom:.5rem;color:var(--ink)}
.tile.bad li{color:var(--muted)}

/* privacy band */
.band{background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:44px;text-align:center}
.band h2{color:#fff}
.band p{color:rgba(255,255,255,.72);max-width:54ch;margin:0 auto}
.gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* faq */
.faq details{border:1px solid var(--border);border-radius:var(--radius);padding:4px 20px;margin-bottom:12px;background:#fff}
.faq summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--muted);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);padding-bottom:8px;margin:0}

/* doc pages */
.doc{max-width:760px;margin:0 auto;padding:56px 0}
.doc h1{margin-bottom:.2em}
.doc h2{margin-top:1.8em}
.doc .updated{color:var(--muted);font-size:.9rem;margin-bottom:2rem}
.doc ul{padding-left:1.2rem}
.doc li{margin-bottom:.5rem}

/* blog */
.post-list{display:grid;gap:16px;max-width:760px;margin:0 auto}
.post{border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px 26px;background:#fff}
.post .tag{font-size:.78rem;font-weight:600;color:var(--blue);text-transform:uppercase;letter-spacing:.04em}
.post h3{margin:.4em 0 .3em}
.post p{color:var(--muted);margin:0}

/* footer */
.site-footer{border-top:1px solid var(--border);padding:40px 0;margin-top:40px}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:center}
.foot .tagline{font-weight:600}
.foot-links{display:flex;gap:24px;flex-wrap:wrap}
.foot-links a{color:var(--muted);font-size:.92rem}
.copy{color:var(--muted);font-size:.85rem;margin-top:18px}

@media(max-width:820px){
  .hero{padding:48px 0 24px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:-1}
  .app-icon{width:200px}
  .split{grid-template-columns:1fr}
  .nav-links{gap:18px}
  .nav-links a.hide-sm{display:none}
}