:root{
  --ink:#16213a; --muted:#56627a; --line:#e3e8f0; --bg:#ffffff; --soft:#f5f8fc;
  --brand:#2457d6; --brand-dark:#1a3fa3; --accent:#13a07a; --warn:#f4b740;
  --radius:14px; --shadow:0 6px 24px rgba(22,33,58,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px}
a{color:var(--brand)}
.container{max-width:1120px;margin:0 auto;padding:0 22px}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.6vw,3.2rem);letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:-.01em}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--brand);margin-bottom:.6em}
.btn{display:inline-block;padding:.85em 1.4em;border-radius:10px;font-weight:700;text-decoration:none;border:2px solid var(--brand);background:var(--brand);color:#fff;cursor:pointer;font-size:1rem;transition:.15s}
.btn:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn.ghost{background:transparent;color:var(--brand)}
.btn.ghost:hover{background:var(--soft)}
.btn.block{display:block;text-align:center;width:100%}
.proto-banner{background:#fff6dd;border-bottom:1px solid #f1dca0;color:#6b5200;font-size:.85rem;text-align:center;padding:.45em 1em}
/* nav */
.nav{position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);z-index:10}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:.5em}
.logo-mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--accent));display:inline-block}
.nav-links{display:flex;gap:1.4em;align-items:center}
.nav-links a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.95rem}
.nav-links a.btn{color:#fff;padding:.55em 1em}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer}
/* sections */
section{padding:80px 0}
section.soft{background:var(--soft)}
.hero{padding:70px 0 80px;background:radial-gradient(1200px 400px at 80% -10%,#e5edff 0,transparent 60%),radial-gradient(900px 400px at -10% 110%,#e2f6ef 0,transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:36em}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin:1.4em 0}
.trust{display:flex;gap:1.4em;flex-wrap:wrap;font-size:.92rem;color:var(--muted)}
.trust span:before{content:"✓ ";color:var(--accent);font-weight:800}
.plan-preview{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.plan-preview .pp-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:12px;font-size:.9rem}
.pp-row{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:.95rem}
.pp-row b{color:var(--accent);white-space:nowrap}
.pp-total{display:flex;justify-content:space-between;margin-top:12px;font-weight:800;font-size:1.05rem}
.pill{display:inline-block;background:#e9f7f2;color:#0d7a5c;border-radius:999px;padding:.15em .7em;font-size:.8rem;font-weight:700}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 2px 10px rgba(22,33,58,.04)}
.card .icon{font-size:1.6rem;margin-bottom:.4em}
.section-head{max-width:720px;margin:0 auto 40px;text-align:center}
.step-num{width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:.8em}
.industries{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px}
.industries span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.4em 1em;font-size:.92rem}
/* pricing */
.pricing{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch}
.price-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative}
.price-card.featured{border:2px solid var(--brand);box-shadow:var(--shadow)}
.badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:.75rem;font-weight:800;padding:.3em .9em;border-radius:999px;white-space:nowrap;text-transform:uppercase;letter-spacing:.05em}
.price{font-size:2.3rem;font-weight:800;margin:.2em 0 0}
.price small{font-size:.95rem;color:var(--muted);font-weight:600}
.was{color:var(--muted);text-decoration:line-through;font-weight:600;margin-right:.3em}
.price-card ul{padding:0;list-style:none;margin:1em 0 1.4em;flex:1}
.price-card li{padding:.35em 0 .35em 1.5em;position:relative;font-size:.95rem}
.price-card li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
.launch-note{background:#eef3ff;border:1px solid #d3defc;border-radius:10px;padding:.6em .9em;font-size:.88rem;margin-top:.6em}
/* guarantee */
.guarantee{display:flex;gap:28px;align-items:center;background:#fff;border:2px solid #bfe8d9;border-radius:var(--radius);padding:34px;max-width:900px;margin:0 auto}
.seal{flex:0 0 110px;height:110px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;text-align:center;font-weight:800;font-size:.95rem;line-height:1.15}
/* faq */
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:12px}
.faq summary{font-weight:700;cursor:pointer}
.faq details p{margin:.8em 0 0;color:var(--muted)}
.cta-band{background:linear-gradient(135deg,var(--brand),#3a6ff0);color:#fff;text-align:center;border-radius:20px;padding:56px 24px}
.cta-band p{color:#dfe7ff}
.cta-band .btn{background:#fff;color:var(--brand);border-color:#fff}
footer{padding:36px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
footer .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer a{color:var(--muted)}
/* form */
.form-wrap{max-width:820px;margin:0 auto;padding:40px 22px 80px}
.progress{height:8px;background:var(--line);border-radius:99px;overflow:hidden;margin:18px 0 30px}
.progress div{height:100%;width:0;background:linear-gradient(90deg,var(--brand),var(--accent));transition:width .3s}
fieldset{border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin:0 0 24px;background:#fff}
legend{font-weight:800;font-size:1.15rem;padding:0 8px}
.field{margin-bottom:20px}
.field label.q{display:block;font-weight:700;margin-bottom:6px}
.hint{display:block;font-size:.88rem;color:var(--muted);margin:-2px 0 8px;font-weight:400}
input[type=text],input[type=email],input[type=number],select,textarea{width:100%;padding:.75em .9em;border:1px solid #cfd7e4;border-radius:10px;font:inherit;font-size:1rem;background:#fff}
textarea{min-height:90px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid #cddcff;border-color:var(--brand)}
.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 18px}
.checks label{display:flex;gap:8px;align-items:flex-start;font-size:.95rem;font-weight:500}
.checks input{margin-top:5px}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.task-row{display:grid;grid-template-columns:2fr 1fr 1fr;gap:10px;margin-bottom:10px}
.task-head{display:grid;grid-template-columns:2fr 1fr 1fr;gap:10px;font-size:.82rem;font-weight:700;color:var(--muted);margin-bottom:4px}
.scale{display:flex;gap:8px;flex-wrap:wrap}
.scale label{border:1px solid #cfd7e4;border-radius:10px;padding:.45em .9em;cursor:pointer;font-weight:500}
.scale input{margin-right:6px}
.form-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.notice{border-radius:12px;padding:18px 20px;margin-top:20px}
.notice.ok{background:#e9f7f2;border:1px solid #bfe8d9}
.notice.err{background:#fdecec;border:1px solid #f4c2c2}
.hidden{display:none}
/* responsive */
@media (max-width:960px){
  .pricing{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  body{font-size:16px}
  section{padding:56px 0}
  .hero-grid,.grid-3,.grid-4,.pricing,.row-2,.checks{grid-template-columns:1fr}
  .guarantee{flex-direction:column;text-align:center}
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;padding:16px;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .task-row,.task-head{grid-template-columns:1fr 1fr}
  .task-row input:first-child,.task-head span:first-child{grid-column:1/-1}
}