:root {
  --navy: #0b1220;
  --navy-2: #111c30;
  --navy-3: #16233c;
  --card: #131f35;
  --line: rgba(148, 163, 184, 0.18);
  --text: #e6edf6;
  --muted: #9fb0c6;
  --blue: #3b82f6;
  --blue-2: #60a5fa;
  --green: #22c55e;
  --radius: 14px;
  --maxw: 1140px;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  background: var(--navy);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); letter-spacing: -0.01em; }
p { margin: 0 0 1rem; color: var(--muted); }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }
.eyebrow { color: var(--blue-2); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.78rem; }
.section { padding: 5rem 0; border-top: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: 2.5rem; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.4rem; border-radius: 10px; font-weight: 600;
  font-size: 0.98rem; cursor: pointer; border: 1px solid transparent;
  transition: transform 0.12s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.btn-primary { background: linear-gradient(135deg, var(--blue), #2563eb); color: #fff; box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(37, 99, 235, 0.45); }
.btn-ghost { background: rgba(255,255,255,0.04); color: var(--text); border-color: var(--line); }
.btn-ghost:hover { background: rgba(255,255,255,0.08); }
.btn-lg { padding: 0.95rem 1.7rem; font-size: 1.05rem; }

/* Header / nav */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 18, 32, 0.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
.brand .logo { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg, var(--blue), var(--green)); display: grid; place-items: center; color: #02121a; font-weight: 800; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { color: var(--muted); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 0.8rem; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 0.5rem 0.7rem; font-size: 1.1rem; cursor: pointer; }

/* Hero */
.hero { padding: 5.5rem 0 4rem; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% 0 auto 0; height: 600px;
  background: radial-gradient(60% 60% at 50% 0%, rgba(59,130,246,0.18), transparent 70%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3rem; align-items: center; position: relative; }
.hero p.lead { font-size: 1.15rem; max-width: 640px; }
.hero-cta { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-top: 1.6rem; }
.hero-trust { margin-top: 1.6rem; color: var(--muted); font-size: 0.88rem; display: flex; gap: 1.2rem; flex-wrap: wrap; }
.hero-trust span::before { content: "✓ "; color: var(--green); font-weight: 700; }

/* Cards */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; box-shadow: var(--shadow); }
.grid { display: grid; gap: 1.4rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.solution-card .ico { width: 46px; height: 46px; border-radius: 10px; background: rgba(59,130,246,0.14); display: grid; place-items: center; margin-bottom: 1rem; }
.solution-card h3 { font-size: 1.2rem; }
.tag { color: var(--blue-2); font-weight: 600; font-size: 0.85rem; }

/* Mock UI cards (sample outputs) */
.mock { background: linear-gradient(160deg, var(--navy-3), var(--navy-2)); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; box-shadow: var(--shadow); }
.mock-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.8rem; }
.mock-title { font-weight: 600; font-size: 0.92rem; }
.pill { font-size: 0.72rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: 999px; }
.pill-blue { background: rgba(59,130,246,0.18); color: var(--blue-2); }
.pill-green { background: rgba(34,197,94,0.16); color: #4ade80; }
.pill-amber { background: rgba(245,158,11,0.16); color: #fbbf24; }
.kv { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.85rem; padding: 0.35rem 0; border-bottom: 1px dashed var(--line); }
.kv:last-child { border-bottom: 0; }
.kv span:first-child { color: var(--muted); }

/* How it works */
.steps { counter-reset: step; display: grid; gap: 1.1rem; }
.step { display: flex; gap: 1rem; align-items: flex-start; }
.step .num { flex: none; width: 38px; height: 38px; border-radius: 10px; background: rgba(59,130,246,0.15); color: var(--blue-2); font-weight: 800; display: grid; place-items: center; }
.step h3 { font-size: 1.05rem; margin-bottom: 0.2rem; }

/* Detailed service blocks */
.service { border-top: 1px solid var(--line); padding: 3.5rem 0; }
.service-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; }
.service:nth-child(even) .service-visual { order: -1; }
.feature-list { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: 0.5rem; }
.feature-list li { position: relative; padding-left: 1.6rem; color: var(--text); font-size: 0.95rem; }
.feature-list li::before { content: "→"; position: absolute; left: 0; color: var(--blue-2); }

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.price-card { display: flex; flex-direction: column; }
.price-card.feature { border-color: rgba(59,130,246,0.5); box-shadow: 0 10px 30px rgba(37,99,235,0.18); }
.price-name { font-weight: 700; font-size: 1.05rem; }
.price-amt { font-size: 1.8rem; font-weight: 800; margin: 0.4rem 0; }
.price-amt small { font-size: 0.85rem; color: var(--muted); font-weight: 500; }
.price-card .desc { font-size: 0.85rem; min-height: 2.4em; }
.price-note { font-size: 0.78rem; color: var(--muted); margin-top: auto; padding-top: 0.6rem; }
.price-tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.price-tab { padding: 0.5rem 1rem; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer; font-weight: 600; font-size: 0.9rem; }
.price-tab.active { background: rgba(59,130,246,0.15); color: var(--blue-2); border-color: rgba(59,130,246,0.4); }
.price-panel { display: none; }
.price-panel.active { display: block; }

/* FAQ */
.faq-item { border: 1px solid var(--line); border-radius: 12px; margin-bottom: 0.8rem; background: var(--card); overflow: hidden; }
.faq-q { width: 100%; text-align: left; background: none; border: 0; color: var(--text); font-weight: 600; font-size: 1rem; padding: 1.1rem 1.2rem; cursor: pointer; display: flex; justify-content: space-between; gap: 1rem; }
.faq-q .chev { color: var(--blue-2); transition: transform 0.2s ease; }
.faq-item.open .faq-q .chev { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.25s ease; padding: 0 1.2rem; }
.faq-item.open .faq-a { max-height: 320px; padding-bottom: 1.1rem; }
.faq-a p { margin: 0; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.35rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.75rem 0.85rem; border-radius: 10px;
  background: var(--navy-2); border: 1px solid var(--line); color: var(--text); font: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(59,130,246,0.18); }
.field textarea { min-height: 110px; resize: vertical; }
.form-msg { margin-top: 0.5rem; font-size: 0.9rem; min-height: 1.2em; }
.form-msg.ok { color: #4ade80; }
.form-msg.err { color: #f87171; }
.microcopy { font-size: 0.8rem; color: var(--muted); margin-top: 0.6rem; }

/* Use case cards */
.usecase { font-weight: 500; color: var(--text); display: flex; align-items: flex-start; gap: 0.6rem; }
.usecase::before { content: "→"; color: var(--blue-2); font-weight: 700; }

/* CTA band */
.cta-band { background: linear-gradient(135deg, rgba(37,99,235,0.18), rgba(34,197,94,0.10)); border: 1px solid var(--line); border-radius: 18px; padding: 3rem; text-align: center; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 2.5rem 0; color: var(--muted); font-size: 0.9rem; }
.footer-grid { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .service-grid, .contact-grid { grid-template-columns: 1fr; }
  .grid-3, .price-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .service:nth-child(even) .service-visual { order: 0; }
  .nav-links { display: none; }
  .nav-toggle { display: inline-block; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--navy-2); border-bottom: 1px solid var(--line); padding: 1rem 1.25rem; gap: 1rem;
  }
  .price-grid { gap: 1rem; }
  .form-row { grid-template-columns: 1fr; }
}