:root {
  --bg-0: #f6f8fc;
  --bg-1: #ffffff;
  --bg-2: #eef2f9;
  --line: rgba(15, 23, 42, 0.08);
  --line-strong: rgba(15, 23, 42, 0.14);
  --text: #0f172a;
  --text-soft: #1f2937;
  --muted: #5b6678;
  --brand: #0ea5a5;
  --brand-2: #2563eb;
  --brand-3: #7c3aed;
  --warn: #d97706;
  --danger: #e11d48;
  --good: #059669;
  --radius: 14px;
  --maxw: 1120px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(37, 99, 235, 0.10), transparent 60%),
    radial-gradient(700px 420px at -5% 10%, rgba(14, 165, 165, 0.10), transparent 60%),
    radial-gradient(900px 600px at 50% 110%, rgba(124, 58, 237, 0.08), transparent 60%),
    var(--bg-0);
  color: var(--text);
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--brand-2); text-decoration: none; }
a:hover { color: #1d4ed8; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}
.brand img { display: block; height: 32px; width: auto; }
.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
}
.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}
.nav-links a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  text-decoration: none;
  color: var(--text);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(15,23,42,0.22); box-shadow: var(--shadow-md); }
.btn-primary {
  background: #1d4ed8;
  border: 1px solid #1d4ed8;
  color: #ffffff;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 6px 18px rgba(29, 78, 216, 0.30);
}
.btn-primary:hover { color: #ffffff; background: #1e40af; border-color: #1e40af; box-shadow: 0 10px 24px rgba(29, 78, 216, 0.38); }
.btn-primary:visited { color: #ffffff; }

/* Hero primary CTA keeps the gradient (still high contrast on white text) */
.hero-cta .btn-primary {
  background: linear-gradient(135deg, #0ea5a5 0%, #2563eb 60%, #7c3aed 100%);
  border: none;
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.28);
}
.hero-cta .btn-primary:hover { filter: brightness(1.05); background: linear-gradient(135deg, #0ea5a5 0%, #2563eb 60%, #7c3aed 100%); }
.btn-ghost { background: transparent; }

/* Hero */
.hero {
  position: relative;
  padding: 72px 0 56px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-2);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.20);
  border-radius: 999px;
  margin-bottom: 18px;
  font-weight: 600;
}
.hero h1 {
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  font-weight: 800;
  color: var(--text);
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, #0ea5a5, #2563eb 50%, #7c3aed);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lede {
  font-size: 18px;
  color: var(--muted);
  max-width: 540px;
  margin: 0 0 28px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 22px;
  color: var(--muted);
  font-size: 13px;
  flex-wrap: wrap;
}
.hero-meta .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 10px rgba(14, 165, 165, 0.55); }

/* Mock terminal / receipt */
.mock {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow-lg);
}
.mock-head {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}
.mock-head span {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(15,23,42,0.12);
}
.mock-head span:nth-child(1) { background: #ef4444; }
.mock-head span:nth-child(2) { background: #f59e0b; }
.mock-head span:nth-child(3) { background: #10b981; }

.mock-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13.5px;
}
.mock-row + .mock-row { border-top: 1px dashed var(--line); }
.mock-row.head { color: var(--muted); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; padding-bottom: 6px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.mock-row .svc { color: var(--text); }
.mock-row .amt { font-variant-numeric: tabular-nums; color: var(--text); font-weight: 600; }
.mock-row .tag {
  display: inline-block; margin-left: 8px; font-size: 11px; padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--line-strong); color: var(--muted);
}
.mock-row .tag.warn { color: var(--warn); border-color: rgba(217, 119, 6, 0.30); background: rgba(217, 119, 6, 0.08); }
.mock-row .tag.bad { color: var(--danger); border-color: rgba(225, 29, 72, 0.30); background: rgba(225, 29, 72, 0.07); }
.mock-row .tag.good { color: var(--good); border-color: rgba(5, 150, 105, 0.30); background: rgba(5, 150, 105, 0.08); }

.mock-summary {
  margin-top: 14px;
  padding: 14px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(14, 165, 165, 0.08), rgba(37, 99, 235, 0.08));
  border: 1px solid rgba(37, 99, 235, 0.18);
  font-size: 13.5px;
  color: var(--text-soft);
}
.mock-summary b { color: var(--brand-2); }

/* Sections */
section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}
.section-head {
  max-width: 720px;
  margin: 0 auto 44px;
  text-align: center;
}
.section-head .eyebrow { margin-bottom: 12px; }
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: var(--text);
}
.section-head p {
  color: var(--muted);
  margin: 0;
  font-size: 17px;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.step {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s ease, box-shadow 0.18s ease;
}
.step:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.step .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(14, 165, 165, 0.16), rgba(37, 99, 235, 0.16));
  color: var(--brand-2); font-weight: 700; margin-bottom: 12px;
  border: 1px solid rgba(37, 99, 235, 0.20);
}
.step h3 { margin: 0 0 6px; font-size: 18px; letter-spacing: -0.01em; color: var(--text); }
.step p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* Feature grid */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s ease, box-shadow 0.18s ease;
}
.feature:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.feature .icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(124, 58, 237, 0.14));
  border: 1px solid rgba(37, 99, 235, 0.18);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 14px; font-size: 18px;
}
.feature h3 { margin: 0 0 6px; font-size: 17px; letter-spacing: -0.01em; color: var(--text); }
.feature p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.post-card {
  display: flex; flex-direction: column; gap: 10px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  color: inherit;
}
.post-card:hover { transform: translateY(-2px); border-color: rgba(37, 99, 235, 0.30); box-shadow: var(--shadow-md); color: inherit; }
.post-card .meta {
  display: flex; align-items: center; gap: 10px;
  color: var(--muted); font-size: 12.5px;
}
.post-card .badge {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--line-strong); color: var(--muted);
  background: var(--bg-2);
}
.post-card h3 { margin: 0; font-size: 18px; line-height: 1.3; letter-spacing: -0.01em; color: var(--text); }
.post-card p { margin: 0; color: var(--muted); font-size: 14px; }
.post-card .read {
  margin-top: auto; color: var(--brand-2); font-weight: 600; font-size: 13.5px;
}

/* Beta form */
.beta {
  background: linear-gradient(135deg, rgba(14, 165, 165, 0.08), rgba(37, 99, 235, 0.08));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.beta-card {
  max-width: 760px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.beta-card h2 { margin: 0 0 8px; font-size: 28px; letter-spacing: -0.02em; color: var(--text); }
.beta-card p { margin: 0 0 18px; color: var(--muted); }
.beta-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
}
.beta-form input, .beta-form select, .beta-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid var(--line-strong);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
.beta-form input::placeholder, .beta-form textarea::placeholder { color: #94a3b8; }
.beta-form input:focus, .beta-form select:focus, .beta-form textarea:focus {
  outline: none;
  border-color: rgba(37, 99, 235, 0.55);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.beta-form textarea { grid-column: 1 / -1; min-height: 96px; resize: vertical; }
.beta-form .actions { grid-column: 1 / -1; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.beta-note { color: var(--muted); font-size: 12.5px; }

.success-msg {
  display: none;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(5, 150, 105, 0.08);
  border: 1px solid rgba(5, 150, 105, 0.30);
  color: var(--good);
  font-size: 14px;
}
.success-msg.show { display: block; }

/* Footer */
.site-footer {
  padding: 32px 0 56px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13.5px;
  background: var(--bg-1);
}
.site-footer .row {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }

/* Article (blog post) */
.article {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}
.article .meta {
  color: var(--muted);
  font-size: 13px;
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}
.article h1 {
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  line-height: 1.1;
  color: var(--text);
}
.article h2 {
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 32px 0 10px;
  color: var(--text);
}
.article p { color: var(--text-soft); margin: 0 0 14px; }
.article ul { color: var(--text-soft); padding-left: 22px; }
.article ul li { margin-bottom: 6px; }
.article code {
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 0.92em;
}
.article blockquote {
  border-left: 3px solid var(--brand-2);
  margin: 18px 0;
  padding: 6px 16px;
  background: rgba(37, 99, 235, 0.06);
  color: var(--text-soft);
  border-radius: 0 10px 10px 0;
}
.article hr { border: none; border-top: 1px solid var(--line); margin: 28px 0; }
.article-back {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--muted); font-size: 13px; margin-bottom: 18px;
}

/* Responsive */
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .steps, .features, .blog-grid { grid-template-columns: 1fr; }
  .beta-form { grid-template-columns: 1fr; }
  /* Hide non-button nav links on mobile, but ALWAYS keep the beta CTA visible */
  .nav-links a:not(.btn) { display: none; }
  .nav-links { gap: 0; }
}