*{margin:0;padding:0;box-sizing:border-box}
body{font-family:system-ui,-apple-system,'Segoe UI',sans-serif;background:#fff;color:#1e293b;-webkit-font-smoothing:antialiased}

/* Nav */
.nav{position:fixed;top:0;width:100%;background:rgba(255,255,255,.8);backdrop-filter:blur(8px);border-bottom:1px solid #f1f5f9;z-index:50}
.nav-inner{max-width:72rem;margin:0 auto;padding:0 1rem;height:3.5rem;display:flex;align-items:center;justify-content:space-between}
.nav-links{display:flex;align-items:center;gap:1.5rem;font-size:.875rem;color:#4b5563}
.nav-links a:hover{color:#111827}
.nav-right{display:flex;align-items:center;gap:.75rem}
.logo{display:inline-flex;align-items:baseline;gap:.1em;font-size:1.25rem;font-weight:800;letter-spacing:-.02em;text-decoration:none}
.logo-f{color:#1e293b}.logo-ai{color:#2563eb}
a{color:inherit;text-decoration:none;transition:color .15s}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82em;background:#f1f5f9;color:#0f172a;padding:.1em .35em;border-radius:.25rem;word-break:break-all}

/* Buttons */
.btn{display:inline-block;font-weight:600;font-size:.875rem;padding:.625rem 1.5rem;border-radius:.5rem;transition:background .15s,color .15s;text-align:center}
.btn-primary{background:#2563eb;color:#fff;box-shadow:0 4px 14px rgba(37,99,235,.25)}
.btn-primary:hover{background:#1d4ed8}
.btn-outline{border:1px solid #d1d5db;color:#374151}
.btn-outline:hover{background:#f9fafb}
.btn-sm{padding:.5rem 1rem;font-size:.8125rem}
.btn-dark{background:#fff;color:#111827}
.btn-dark:hover{background:#f3f4f6}
.btn-lg{padding:.75rem 2.5rem;font-size:1rem}

/* Sections */
section{padding:4rem 1rem}
.section-gray{background:#f9fafb}
.container{max-width:72rem;margin:0 auto}
.container-sm{max-width:42rem;margin:0 auto}
.container-md{max-width:56rem;margin:0 auto}
.text-center{text-align:center}
h2{font-size:1.875rem;font-weight:700;color:#111827;margin-bottom:1rem}
.subtitle{color:#6b7280;margin-bottom:2.5rem;max-width:32rem;margin-left:auto;margin-right:auto}
.badge{display:inline-block;font-size:.75rem;font-weight:600;padding:.375rem .75rem;border-radius:2rem}
.badge-amber{background:#fffbeb;color:#b45309}
.badge-launch{background:#fffbeb;color:#b45309;font-size:.625rem;text-transform:uppercase;letter-spacing:.05em;padding:.25rem .5rem}

/* Hero */
.hero{padding:6rem 1rem 4rem;text-align:center}
.hero h1{font-size:2.5rem;font-weight:800;line-height:1.1;letter-spacing:-.025em;color:#111827}
.hero h1 span{color:#2563eb}
.hero-sub{margin-top:1.5rem;font-size:1.125rem;color:#6b7280;max-width:40rem;margin-left:auto;margin-right:auto;line-height:1.6}
.hero-cta{margin-top:2rem;display:flex;flex-direction:column;align-items:center;gap:.75rem}
.hero-note{margin-top:1rem;font-size:.75rem;color:#9ca3af}

/* Mock browser */
.mock{max-width:64rem;margin:3rem auto 0;background:#fff;border-radius:1rem;box-shadow:0 25px 50px rgba(0,0,0,.08);border:1px solid #e5e7eb;overflow:hidden}
.mock-bar{background:#f9fafb;border-bottom:1px solid #e5e7eb;padding:.625rem 1rem;display:flex;align-items:center;gap:.5rem}
.mock-dot{width:.75rem;height:.75rem;border-radius:50%}
.mock-url{flex:1;text-align:center;font-size:.75rem;color:#9ca3af}
.mock-body{padding:1rem}
.mock-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.mock-label{font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.75rem}
.mock-label-red{color:#ef4444}.mock-label-green{color:#16a34a}
.mock-file{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;border-radius:.5rem;font-size:.8125rem;margin-bottom:.375rem}
.mock-file-red{background:#fef2f2;border:1px solid #fecaca}
.mock-file-green{background:#f0fdf4;border:1px solid #bbf7d0}
.file-tag{font-size:.625rem;font-weight:700;padding:.125rem .375rem;border-radius:.25rem}
.tag-red{background:#fecaca;color:#ef4444}.tag-green{background:#bbf7d0;color:#16a34a}
.file-folder{font-size:.6875rem;font-weight:500;color:#15803d}
.file-name{color:#374151;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Sample output */
.tree{background:#111827;border-radius:.75rem;padding:1.25rem;font-family:monospace;font-size:.8125rem;overflow-x:auto}
.tree-label{color:#9ca3af;font-size:.6875rem;margin-bottom:.75rem}
.tree-row{display:flex;align-items:center;gap:.375rem;line-height:1.8}
.tree-folder{color:#fbbf24;font-weight:600}.tree-file{color:#d1d5db}.tree-excel{color:#4ade80}
.excel-table{width:100%;font-size:.6875rem;border-collapse:collapse;background:#fff}
.excel-table th{background:#15803d;color:#fff;padding:.5rem;text-align:left;font-weight:600}
.excel-table td{padding:.5rem;border-bottom:1px solid #f3f4f6;color:#374151}
.excel-table tr:hover{background:#f9fafb}

/* Steps */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.step-icon{width:3.5rem;height:3.5rem;background:#dbeafe;color:#2563eb;border-radius:1rem;display:flex;align-items:center;justify-content:center;margin:0 auto .75rem}
.step-num{font-size:.6875rem;font-weight:700;color:#2563eb;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}
h3{font-size:1.125rem;font-weight:600;color:#111827;margin-bottom:.375rem}
.step p,.feature p,.pain p,.audience p{font-size:.875rem;color:#6b7280;line-height:1.6}

/* Pain points */
.pain-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}
.pain-card{border-radius:.75rem;padding:1.25rem}
.pain-red{background:#fef2f2;border:1px solid #fecaca}
.pain-green{background:#f0fdf4;border:1px solid #bbf7d0}
.pain-tag{font-size:.625rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}
.pain-tag-red{color:#dc2626}.pain-tag-green{color:#16a34a}

/* Scenarios */
.scenario{background:#fff;border:1px solid #e5e7eb;border-radius:.75rem;overflow:hidden;margin-bottom:1.25rem;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.scenario-head{padding:1rem 1.25rem;border-bottom:1px solid #f3f4f6;display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}
.scenario-tag{color:#fff;font-size:.5625rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:.25rem .625rem;border-radius:.25rem}
.scenario-body{padding:1.25rem}
.scenario-situation{font-size:.875rem;color:#374151;font-style:italic;margin-bottom:1rem}
.scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.scenario-cost{font-size:.6875rem;font-weight:600;color:#b91c1c;background:#fee2e2;padding:.375rem .625rem;border-radius:.25rem;display:inline-block;margin-top:.75rem}
.check-list{list-style:none}
.check-list li{display:flex;align-items:flex-start;gap:.5rem;font-size:.875rem;color:#374151;margin-bottom:.375rem}
.check-list li::before{content:"✓";color:#16a34a;font-weight:700;margin-top:.125rem}

/* Features grid */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.feature{background:#fff;border:1px solid #e5e7eb;border-radius:.75rem;padding:1.25rem}
.feature:hover{box-shadow:0 4px 12px rgba(0,0,0,.06)}
.feature-icon{width:2.5rem;height:2.5rem;background:#eff6ff;border-radius:.5rem;display:flex;align-items:center;justify-content:center;color:#2563eb;font-size:.875rem;margin-bottom:.75rem}
.feature h3{font-size:.9375rem;margin-bottom:.25rem}

/* Pricing */
.free-tier{background:#111827;color:#fff;border-radius:1rem;padding:1.25rem 1.5rem;margin-bottom:1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.free-tier p{font-size:.875rem;color:#9ca3af}.free-tier .big{font-size:1.5rem;font-weight:800;color:#fff;margin-top:.25rem}
.pack{display:flex;align-items:center;justify-content:space-between;gap:1rem;border:1px solid #e5e7eb;border-radius:.75rem;padding:1rem 1.25rem;margin-bottom:.75rem;flex-wrap:wrap}
.pack-popular{border-color:#2563eb;background:rgba(239,246,255,.5);box-shadow:0 4px 12px rgba(37,99,235,.1)}
.pack-price{text-align:center;min-width:4.5rem}
.pack-original{font-size:.875rem;color:#9ca3af;text-decoration:line-through}
.pack-current{font-size:1.75rem;font-weight:800;color:#111827}
.pack-vat{font-size:.5625rem;color:#9ca3af}
.pack-info strong{font-size:.9375rem;color:#111827}
.pack-info p{font-size:.8125rem;color:#6b7280}
.badge-popular{font-size:.5625rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;background:#2563eb;color:#fff;padding:.125rem .5rem;border-radius:2rem;margin-left:.5rem;vertical-align:middle}

/* FAQ */
.faq-item{background:#fff;border:1px solid #e5e7eb;border-radius:.75rem;margin-bottom:.5rem;overflow:hidden}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;font-size:.875rem;font-weight:500;color:#111827;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:#2563eb;font-weight:700;font-size:1.125rem}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 1.25rem 1rem;font-size:.875rem;color:#6b7280;line-height:1.6}

/* Footer */
footer{border-top:1px solid #e5e7eb;padding:2.5rem 1rem}
.footer-inner{max-width:72rem;margin:0 auto;display:flex;align-items:center;justify-content:space-between;font-size:.875rem;color:#9ca3af;flex-wrap:wrap;gap:1rem}
.footer-links{display:flex;align-items:center;gap:1.5rem}
.footer-links a:hover{color:#4b5563}

/* Responsive */
@media(max-width:768px){
  .hero h1{font-size:2rem}
  .mock-grid,.pain-row,.scenario-grid{grid-template-columns:1fr}
  .steps-grid,.features-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .hero-cta{flex-direction:column;width:100%;max-width:20rem;margin-left:auto;margin-right:auto}
  .hero-cta .btn{width:100%}
  .free-tier{flex-direction:column;text-align:center}
  .pack{flex-direction:column;text-align:center}
  section{padding:3rem 1rem}
  h2{font-size:1.5rem}
}
@media(min-width:640px){
  .hero h1{font-size:3rem}
  .hero-cta{flex-direction:row;justify-content:center}
  .mock-body{padding:1.5rem 2rem}
}
@media(min-width:1024px){
  .hero h1{font-size:3.5rem}
}