/* AI Business Agent marketing site — aibusinessagent.xyz */
:root {
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --surface: #ffffff;
  --primary: #1668dc;
  --primary-dark: #0b1f3a;
  --primary-soft: #e8f1fc;
  --accent: #38bdf8;
  --success: #16a34a;
  --radius: 16px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 12px 40px rgba(15, 23, 42, 0.06);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --app-url: /agents;
  --bay-url: /bay;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(100% - 32px, var(--max)); margin-inline: auto; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(248, 250, 252, 0.85);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 18px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px 18px;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
}
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 11px 18px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, #1668dc, #1d4ed8);
  color: #fff !important;
  box-shadow: 0 6px 18px rgba(22, 104, 220, 0.3);
}
.btn-primary:hover { box-shadow: 0 10px 24px rgba(22, 104, 220, 0.35); }
.btn-ghost {
  background: #fff;
  color: var(--ink) !important;
  border-color: var(--line);
}
.btn-ghost:hover { border-color: #c7d7f0; }
.btn-lg { padding: 14px 22px; font-size: 1rem; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 56px;
  color: #fff;
  background:
    radial-gradient(700px 320px at 85% 10%, rgba(56, 189, 248, 0.25), transparent 55%),
    radial-gradient(600px 280px at 10% 30%, rgba(59, 130, 246, 0.25), transparent 50%),
    linear-gradient(155deg, #071525 0%, #0b1f3a 48%, #123a66 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}
.hero p.lead {
  margin: 0 0 22px;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.88);
  max-width: 34rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.92);
}
.hero-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
  padding: 18px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(10px);
}
.hero-card .row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  margin-bottom: 10px;
  font-size: 0.92rem;
}
.hero-card .row strong { color: #fff; }
.hero-card .muted { color: rgba(255, 255, 255, 0.65); font-size: 0.85rem; }
.meter {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
  margin-top: 8px;
}
.meter > span {
  display: block;
  height: 100%;
  width: 42%;
  background: linear-gradient(90deg, #38bdf8, #60a5fa);
  border-radius: inherit;
}

/* Sections */
section { padding: 72px 0; }
section.alt { background: #fff; border-block: 1px solid var(--line); }
.section-kicker {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 8px;
}
.section-title {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.section-sub {
  margin: 0 0 36px;
  color: var(--muted);
  max-width: 40rem;
  font-size: 1.05rem;
}

/* Feature grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.card p { margin: 0; color: var(--muted); font-size: 0.96rem; }
.icon-badge {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 1.2rem;
  margin-bottom: 14px;
}

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.step {
  position: relative;
  padding: 22px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
}
.step::before {
  counter-increment: step;
  content: counter(step);
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--primary-dark);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.step h3 { margin: 0 0 6px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.94rem; }

/* Pricing */
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.price-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.price-card.highlight {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(22, 104, 220, 0.2), var(--shadow);
}
.price-card .name { font-weight: 700; font-size: 1.05rem; }
.price-card .price {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 8px 0 4px;
}
.price-card .price span { font-size: 0.95rem; color: var(--muted); font-weight: 500; }
.price-card .blurb { color: var(--muted); font-size: 0.92rem; margin: 0 0 14px; min-height: 2.8em; }
.price-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  flex: 1;
}
.price-card li {
  padding: 6px 0 6px 22px;
  position: relative;
  font-size: 0.92rem;
  color: #334155;
}
.price-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 3px 8px;
  border-radius: 999px;
  margin-bottom: 8px;
}

/* CTA band */
.cta-band {
  margin: 20px 0 80px;
  border-radius: 24px;
  padding: 40px 28px;
  text-align: center;
  color: #fff;
  background:
    radial-gradient(500px 200px at 80% 0%, rgba(56, 189, 248, 0.2), transparent 55%),
    linear-gradient(135deg, #0b1f3a, #1668dc 70%);
  box-shadow: var(--shadow);
}
.cta-band h2 { margin: 0 0 10px; letter-spacing: -0.03em; font-size: clamp(1.5rem, 3vw, 2rem); }
.cta-band p { margin: 0 auto 20px; max-width: 32rem; color: rgba(255,255,255,0.88); }

/* Page hero (inner pages) */
.page-hero {
  padding: 48px 0 28px;
  background: linear-gradient(180deg, #eef5ff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
}
.page-hero p { margin: 0; color: var(--muted); max-width: 36rem; }

/* Legal / prose */
.prose {
  max-width: 720px;
  margin: 40px auto 80px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.prose h2 { margin-top: 1.6em; font-size: 1.15rem; }
.prose .muted { color: var(--muted); font-size: 0.9rem; }

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  background: #fff;
  padding: 40px 0 28px;
  color: var(--muted);
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}
.footer strong { display: block; color: var(--ink); margin-bottom: 10px; }
.footer a { display: block; color: var(--muted); margin: 6px 0; text-decoration: none; }
.footer a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.85rem;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
}

@media (max-width: 900px) {
  .hero-grid, .grid-3, .steps, .footer-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .nav-links, .nav-cta { display: none; }
  .nav.open .nav-links,
  .nav.open .nav-cta {
    display: flex;
    width: 100%;
  }
  .nav-inner { flex-wrap: wrap; padding: 10px 0; }
  .nav.open .nav-links { flex-direction: column; align-items: flex-start; padding: 8px 0; }
  .hero { padding: 48px 0 40px; }
}