:root {
  --navy-950: #0a0e14;
  --navy-900: #0f1b2b;
  --navy-800: #0f2740;
  --navy-700: #1e4a72;
  --cyan: #22d3ee;
  --cyan-dim: #22d3ee33;
  --text: #eaf2f8;
  --muted: #8aa0b0;
  --border: #1e3350;
  --card-bg: #0f1e30;
  --radius: 14px;
  --max-width: 1180px;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
  --font-display: 'Space Grotesk', var(--font-body);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--navy-950);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; display: block; }

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }

p { color: var(--muted); margin: 0 0 1em; }

a { color: var(--cyan); text-decoration: none; }

.accent { color: var(--cyan); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--cyan);
  color: var(--navy-950);
  padding: 0.75em 1em;
  z-index: 200;
}
.skip-link:focus { left: 1em; top: 1em; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.wrap-narrow { max-width: 760px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text);
  font-size: 1.05rem;
}

.main-nav {
  display: none;
  gap: 2rem;
}
.main-nav a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--cyan); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  margin: 0 auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.main-nav.open {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--navy-900);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 1.5rem 1rem;
}
.main-nav.open a {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.85em 1.6em;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), #0ea5c4);
  color: var(--navy-950);
  box-shadow: 0 8px 24px -8px var(--cyan-dim);
}
.btn-primary:hover { box-shadow: 0 10px 28px -6px #22d3ee55; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

.btn-outline {
  background: transparent;
  color: var(--cyan);
  border-color: var(--cyan);
}
.btn-outline:hover { background: var(--cyan-dim); }

.btn-sm { padding: 0.55em 1.2em; font-size: 0.85rem; display: none; }
.btn-lg { padding: 1em 2em; font-size: 1rem; }
.btn-block { width: 100%; margin-top: 1.5rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 7rem 0 5rem;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    radial-gradient(circle at 50% 15%, #1e4a7288 0%, transparent 55%),
    linear-gradient(#16324f22 1px, transparent 1px),
    linear-gradient(90deg, #16324f22 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  background-position: center;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 40%, transparent 90%);
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,14,20,0.2) 0%, var(--navy-950) 88%);
  z-index: -1;
}
.hero-inner { text-align: center; max-width: 820px; margin: 0 auto; }

.eyebrow {
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.eyebrow.center { text-align: center; }

.hero-sub {
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto 2.2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 560px;
  margin: 0 auto;
  padding: 0;
}
.hero-stats div {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 0.5rem;
  background: rgba(15, 30, 48, 0.5);
}
.hero-stats dt {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--cyan);
}
.hero-stats dd {
  margin: 0.2rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---------- Sections ---------- */
.section { padding: 5.5rem 0; }
.section-alt { background: var(--navy-900); }
.section h1.center, .section h2.center, .section h3.center, .section p.center, .eyebrow.center { text-align: center; }
.section-sub {
  max-width: 560px;
  margin: -0.5rem auto 3rem;
}
.section > .wrap > h2 { max-width: 700px; margin-left: auto; margin-right: auto; }

/* ---------- How it works ---------- */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 3rem;
  align-items: start;
}
.step {
  text-align: center;
  padding: 0 1rem;
}
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-display);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}
.step-arrow {
  display: none;
  text-align: center;
  color: var(--cyan);
  font-size: 1.5rem;
}

/* ---------- Grids / Cards ---------- */
.grid { display: grid; gap: 1.5rem; margin-top: 3rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--navy-700); }
.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--cyan-dim);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.card-icon svg { width: 22px; height: 22px; }
.card h3 { margin-bottom: 0.4rem; }
.card p { margin: 0; font-size: 0.95rem; }

/* ---------- Use cases ---------- */
.usecase {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.usecase:hover { transform: translateY(-3px); border-color: var(--navy-700); }
.usecase h3 { margin-bottom: 0.3rem; }
.usecase p { margin: 0; font-size: 0.9rem; }

/* ---------- Compare ---------- */
.compare-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.check-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}
.check-list li {
  padding-left: 1.6em;
  position: relative;
  color: var(--text);
  font-size: 0.95rem;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan-dim);
  border: 1px solid var(--cyan);
}
.check-list li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.55em;
  width: 6px;
  height: 3px;
  border-left: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(-45deg);
}

/* ---------- Pricing ---------- */
.pricing-grid { align-items: stretch; }
.price-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card-featured {
  border-color: var(--cyan);
  box-shadow: 0 20px 50px -25px var(--cyan-dim);
}
.badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cyan);
  color: var(--navy-950);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3em 0.9em;
  border-radius: 999px;
  margin: 0;
}
.price {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text);
  margin: 0.2rem 0 1rem;
}
.price span {
  display: block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--muted);
}
.price-card .check-list { flex-grow: 1; }

/* ---------- Buy / checkout forms ---------- */
.buy-form { margin-top: 1.5rem; }
.addon-details {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 1rem;
  margin-bottom: 1rem;
}
.addon-details summary {
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--muted);
  list-style: none;
}
.addon-details summary::-webkit-details-marker { display: none; }
.addon-fields {
  display: grid;
  gap: 0.8rem;
  margin-top: 0.9rem;
}
.addon-fields label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: var(--muted);
}
.addon-fields input,
.buy-email,
.buy-field,
.contact-form input,
.contact-form textarea {
  background: var(--navy-950);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65em 0.85em;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  width: 100%;
}
.addon-fields input:focus,
.buy-email:focus,
.buy-field:focus,
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--cyan);
}
.buy-email, .buy-field { margin-bottom: 0.9rem; }
.form-msg {
  margin: 0.8rem 0 0;
  font-size: 0.85rem;
  text-align: center;
  min-height: 1.2em;
}
.form-msg.success { color: var(--cyan); }
.form-msg.error { color: #f87171; }
.subscribe-grid { margin-top: 2rem; }
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- Contact form ---------- */
.contact-form {
  max-width: 520px;
  margin: 3rem auto 0;
  display: grid;
  gap: 0.4rem;
}
.contact-form label {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.6rem;
}
.contact-form button { margin-top: 1.5rem; }

/* ---------- Documentation ---------- */
.doc-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.2rem;
  margin-top: 3rem;
}
.doc-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--cyan-dim);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.doc-card-icon svg { width: 28px; height: 28px; }
.doc-card-body h3 { margin-bottom: 0.3rem; }
.doc-card-body p { margin: 0; font-size: 0.9rem; }
.doc-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.software-tiers { margin-top: 4rem; }
.table-wrap { overflow-x: auto; margin-top: 1.5rem; }
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
th, td {
  text-align: left;
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
tbody tr:last-child td { border-bottom: none; }
td:first-child { color: var(--text); font-weight: 600; }
.fine-print { text-align: center; font-size: 0.82rem; margin-top: 1.2rem; }

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.2rem 0;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  color: var(--cyan);
  font-size: 1.3rem;
  margin-left: 1rem;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin: 0.9rem 0 0; }

/* ---------- Final CTA ---------- */
.cta-band {
  padding: 5rem 0;
  background: radial-gradient(circle at 50% 0%, var(--navy-800), var(--navy-950) 70%);
  border-top: 1px solid var(--border);
}
.cta-band-inner { text-align: center; }
.cta-band h2 { max-width: 640px; margin: 0 auto 2rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-900);
  border-top: 1px solid var(--border);
  padding-top: 3.5rem;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}
.footer-brand p { font-size: 0.9rem; margin-top: 1rem; }
.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.footer-links h4 {
  font-family: var(--font-body);
  color: var(--text);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.9rem;
}
.footer-links a {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
  padding: 0.35rem 0;
}
.footer-links a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
}
.footer-bottom p {
  margin: 0;
  font-size: 0.82rem;
  text-align: center;
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Breakpoints ---------- */
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .doc-card { flex-direction: row; text-align: left; }
  .doc-card-actions { flex-shrink: 0; margin-left: auto; }
}

@media (min-width: 860px) {
  .steps {
    grid-template-columns: 1fr auto 1fr auto 1fr;
  }
  .step-arrow { display: block; }
}

@media (min-width: 960px) {
  .main-nav { display: flex; }
  .btn-sm { display: inline-flex; }
  .nav-toggle { display: none; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .footer-inner { flex-direction: row; justify-content: space-between; }
  .footer-links { min-width: 360px; }
}