:root{
  --bg:#f6f7fb;--fg:#0f172a;--muted:#475569;--faint:#64748b;--line:#e2e8f0;
  --indigo:#4f46e5;--indigo-d:#4338ca;--violet:#8b5cf6;--indigo-50:#eef2ff;
  --green:#047857;--green-bg:#d1fae5;--amber:#92400e;--amber-bg:#fef3c7;--rose:#be123c;
  --radius:14px;--shadow:0 1px 2px rgba(15,23,42,.06),0 4px 16px rgba(15,23,42,.05);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--indigo-d)}
a:hover{color:var(--indigo)}
:focus-visible{outline:3px solid var(--violet);outline-offset:2px;border-radius:6px}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.narrow{max-width:780px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;z-index:10}
.skip:focus{left:8px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}

/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--fg)}
.brand img{border-radius:9px}
.brand span{display:flex;flex-direction:column;line-height:1.15}
.brand strong{font-size:1.1rem}
.brand small{font-size:.75rem;color:var(--faint)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;font:inherit;font-weight:600;border:0;border-radius:10px;padding:12px 18px;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--indigo);color:#fff}
.btn-primary:hover{background:var(--indigo-d);color:#fff}
.btn-primary[disabled]{opacity:.7;cursor:progress}
.btn-sm{padding:8px 14px;font-size:.9rem}

/* hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,rgba(139,92,246,.16),transparent 60%),radial-gradient(900px 400px at -10% 0%,rgba(79,70,229,.12),transparent 60%);padding:56px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;margin:0 0 14px;font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--indigo-d);background:var(--indigo-50);padding:4px 10px;border-radius:999px}
h1{font-size:clamp(2rem,4.2vw,3.1rem);letter-spacing:-.02em}
.lede{font-size:1.125rem;color:var(--muted);margin:0 0 24px;max-width:40em}

/* form */
.signup{padding:22px}
.form-title{font-size:1.1rem;margin:0 0 12px}
.field{margin-bottom:14px}
label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.opt{font-weight:400;color:var(--faint)}
input,select{font:inherit;width:100%;min-height:46px;padding:10px 12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;color:var(--fg)}
input:focus,select:focus{border-color:var(--indigo);outline:3px solid rgba(79,70,229,.25);outline-offset:0}
input[aria-invalid="true"]{border-color:var(--rose)}
.email-row{display:flex;gap:10px}
.email-row input{flex:1;min-width:0}
.optional-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.optional-grid .field{margin-bottom:0}
.error{color:var(--rose);font-size:.9rem;margin:6px 0 0}
.fine{font-size:.82rem;color:var(--faint);margin:14px 0 0}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.success{text-align:center;padding:10px 6px}
.success:focus{outline:none}
.check{width:48px;height:48px;border-radius:50%;background:var(--green-bg);color:var(--green);font-size:1.6rem;font-weight:700;display:grid;place-items:center;margin:0 auto 10px}

/* hero visual */
.hero-visual{margin:0}
.mini{padding:18px;position:relative}
.mini .badge{position:absolute;top:-11px;right:14px}
.mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.mini-stats div{border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.mini-stats span{display:block;font-size:.75rem;color:var(--faint)}
.mini-stats b{display:block;font-size:1.35rem}
.mini-stats small{font-size:.72rem;color:var(--faint)}
.green{color:var(--green)}.indigo{color:var(--indigo)}
.mini-rows{list-style:none;margin:0;padding:0}
.mini-rows li{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:9px 2px;border-top:1px solid var(--line);font-weight:600;font-size:.92rem}
.mini-rows small{display:block;font-weight:400;color:var(--faint);font-size:.75rem}
.pill{font-size:.75rem;font-weight:600;padding:3px 9px;border-radius:999px;white-space:nowrap}
.pill-green{background:var(--green-bg);color:#065f46}
.pill-amber{background:var(--amber-bg);color:var(--amber)}
.pill-slate{background:#f1f5f9;color:#334155}
.badge{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:3px 9px;border-radius:6px}
.badge-amber{background:var(--amber-bg);color:var(--amber);border:1px solid #fcd34d}
.hero-visual figcaption{font-size:.8rem;color:var(--faint);text-align:center;margin-top:8px}

/* why */
.why{padding:8px 0 8px}
.why-box{background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff;border-radius:var(--radius);padding:24px 28px}
.why-box h2{font-size:1.2rem}
.why-box p{margin:0;color:#eef2ff;max-width:60em}
.why-box a{color:#fff;font-weight:600}

/* sections */
.section{padding:64px 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-title{font-size:clamp(1.6rem,3vw,2.1rem);text-align:center;letter-spacing:-.01em}
.section-sub{text-align:center;color:var(--muted);margin:0 auto 28px;max-width:40em}
.steps{list-style:none;margin:32px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.steps li{padding:22px}
.step-num{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--indigo-50);color:var(--indigo-d);font-weight:800;margin-bottom:12px}
.steps h3,.feature h3{font-size:1.08rem}
.steps p,.feature p{margin:0;color:var(--muted)}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px}
.feature{padding:22px;box-shadow:none}
.icon{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,var(--indigo),var(--violet));display:grid;place-items:center;margin-bottom:12px}
.icon svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.example{margin:0 auto;max-width:960px}
.example-frame{padding:12px;position:relative;background:#eef0f6}
.example-frame img{border-radius:10px;width:100%}
.example-badge{position:absolute;top:-12px;left:20px}
.example figcaption{font-size:.85rem;color:var(--faint);text-align:center;margin-top:12px}

/* faq */
.faq{margin-top:28px}
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--bg);margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600;padding:16px 18px;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;line-height:1;color:var(--indigo)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0;padding:0 18px 16px;color:var(--muted)}
.cta-line{text-align:center;margin-top:28px}

/* footer */
.site-footer{padding:32px 0 40px;color:var(--muted);font-size:.92rem}
.footer-inner p{margin:4px 0;text-align:center}

.example-scroll{overflow-x:auto;border-radius:10px;-webkit-overflow-scrolling:touch}
.swipe-hint{display:none;font-size:.8rem;color:var(--faint);text-align:center;margin:8px 0 0}
/* responsive */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .features{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  .hero{padding:32px 0 28px}
  .steps,.features,.optional-grid{grid-template-columns:1fr}
  .email-row{flex-direction:column}
  .email-row .btn{width:100%}
  .brand small{display:none}
  .section{padding:48px 0}
  .why-box{padding:20px}
  .example-scroll img{width:760px;max-width:none}
  .swipe-hint{display:block}
}
section[id],#join{scroll-margin-top:84px}