:root{
  --accent:#4f46e5;--accent2:#7c3aed;--accent-light:#eef2ff;
  --ink:#0f172a;--ink2:#475569;--ink3:#64748b;
  --bg:#ffffff;--bg2:#f8fafc;--line:#e2e8f0;
  --radius:16px;--shadow:0 10px 30px rgba(15,23,42,.08);
  --grad:linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
header.site .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand img{width:36px;height:36px;border-radius:9px}
nav.main{display:flex;gap:22px;align-items:center}
nav.main a:not(.btn){color:var(--ink2);font-size:.95rem;font-weight:500}
nav.main a:not(.btn):hover{color:var(--accent);text-decoration:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--grad);color:#fff;font-weight:600;padding:13px 26px;border-radius:12px;box-shadow:0 6px 18px rgba(79,70,229,.35);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(79,70,229,.45);text-decoration:none;color:#fff}
.btn.small{padding:9px 18px;font-size:.9rem;border-radius:10px}
.btn.ghost{background:#fff;color:var(--accent);border:1.5px solid var(--accent);box-shadow:none}

/* Hero */
.hero{background:radial-gradient(1200px 600px at 70% -10%,#ede9fe 0%,transparent 60%),radial-gradient(900px 500px at 10% 10%,#e0e7ff 0%,transparent 55%),var(--bg);padding:72px 0 56px;text-align:center}
.hero .icon{width:104px;height:104px;border-radius:24px;box-shadow:var(--shadow);margin-bottom:24px}
.hero h1{font-size:clamp(2rem,5vw,3.1rem);line-height:1.15;letter-spacing:-.02em;max-width:820px;margin:0 auto 18px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{font-size:1.15rem;color:var(--ink2);max-width:640px;margin:0 auto 30px}
.store-badge{height:56px;width:auto}
.hero .trust{margin-top:18px;font-size:.9rem;color:var(--ink3)}
.hero .trust span{margin:0 10px}

/* Sections */
section{padding:64px 0}
section.alt{background:var(--bg2)}
.kicker{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
h2.section-title{font-size:clamp(1.5rem,3.4vw,2.1rem);letter-spacing:-.01em;margin-bottom:12px}
.section-sub{color:var(--ink2);max-width:640px;margin-bottom:36px}
.center{text-align:center}
.center .section-sub{margin-left:auto;margin-right:auto}

/* Feature grid */
.grid{display:grid;gap:22px}
.grid.cols3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 2px 10px rgba(15,23,42,.04)}
.card .emoji{font-size:1.6rem;display:inline-flex;width:48px;height:48px;align-items:center;justify-content:center;background:var(--accent-light);border-radius:12px;margin-bottom:14px}
.card h3{font-size:1.05rem;margin-bottom:8px}
.card p{color:var(--ink2);font-size:.95rem}

/* Screenshots */
.shots{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px}
.shots figure{margin:0}
.shots img{border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow);width:100%}
.shots figcaption{font-size:.85rem;color:var(--ink3);text-align:center;margin-top:10px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative}
.step .num{display:inline-flex;width:40px;height:40px;align-items:center;justify-content:center;background:var(--grad);color:#fff;font-weight:700;border-radius:50%;margin-bottom:14px}
.step h3{font-size:1.05rem;margin-bottom:8px}
.step p{color:var(--ink2);font-size:.95rem}

/* Guides */
.guides{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.guide-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;color:var(--ink);transition:border-color .15s,transform .15s,box-shadow .15s}
.guide-card:hover{text-decoration:none;border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow)}
.guide-card h3{font-size:1rem;margin-bottom:6px;color:var(--ink)}
.guide-card p{font-size:.88rem;color:var(--ink2)}
.guide-card .more{display:inline-block;margin-top:10px;font-size:.88rem;font-weight:600;color:var(--accent)}

/* FAQ */
.faq{max-width:780px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;font-weight:600;padding:18px 22px;list-style:none;position:relative;padding-right:48px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--accent);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq .answer{padding:0 22px 18px;color:var(--ink2);font-size:.96rem}

/* CTA band */
.cta-band{background:var(--grad);border-radius:24px;padding:56px 32px;text-align:center;color:#fff}
.cta-band h2{font-size:clamp(1.5rem,3.5vw,2.2rem);margin-bottom:12px}
.cta-band p{opacity:.9;max-width:560px;margin:0 auto 26px}
.cta-band .store-badge{height:56px}

/* Footer */
footer.site{background:#0f172a;color:#94a3b8;padding:48px 0 32px;margin-top:64px}
footer.site h4{color:#e2e8f0;font-size:.92rem;margin-bottom:12px}
footer.site a{color:#94a3b8;font-size:.9rem}
footer.site a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:28px;margin-bottom:32px}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:8px}
.footer-bottom{border-top:1px solid #1e293b;padding-top:20px;font-size:.85rem;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}

/* Article (guide pages) */
.article{max-width:760px;margin:0 auto;padding:48px 20px}
.article .breadcrumbs{font-size:.85rem;color:var(--ink3);margin-bottom:18px}
.article h1{font-size:clamp(1.7rem,4vw,2.4rem);line-height:1.2;letter-spacing:-.02em;margin-bottom:14px}
.article .lead{font-size:1.12rem;color:var(--ink2);margin-bottom:28px}
.article h2{font-size:1.4rem;margin:36px 0 14px;letter-spacing:-.01em}
.article h3{font-size:1.12rem;margin:26px 0 10px}
.article p{margin-bottom:16px;color:#334155}
.article ul,.article ol{margin:0 0 16px 22px;color:#334155}
.article li{margin-bottom:8px}
.article .tip{background:var(--accent-light);border-left:4px solid var(--accent);border-radius:0 12px 12px 0;padding:16px 20px;margin:22px 0;font-size:.96rem}
.article .cta-inline{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;margin:34px 0}
.article .cta-inline p{margin-bottom:16px}
.article table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:.93rem}
.article th,.article td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article th{background:var(--bg2)}
.related{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.related h2{margin-top:0}

@media(max-width:640px){
  nav.main a.navlink{display:none}
  section{padding:48px 0}
  .hero{padding:52px 0 44px}
}