/* ---------- Base ---------- */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f6f9ff;
  --color-text: #0f1d33;
  --color-muted: #5a6b85;
  --color-primary: #1d4ed8;
  --color-primary-dark: #1e3a8a;
  --color-accent: #facc15;
  --color-border: #e5eaf3;
  --color-card: #ffffff;
  --shadow-sm: 0 4px 12px rgba(15, 29, 51, 0.06);
  --shadow-md: 0 12px 30px rgba(15, 29, 51, 0.08);
  --radius: 14px;
  --radius-lg: 22px;
  --transition: 0.25s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); }

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 0.5em; color: var(--color-text); }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; color: var(--color-muted); }
.muted { color: var(--color-muted); }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(29, 78, 216, 0.08);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
  text-decoration: none;
}
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary { background: #fff; color: var(--color-primary); border-color: var(--color-border); }
.btn-secondary:hover { border-color: var(--color-primary); transform: translateY(-1px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 16px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-text);
}
.logo:hover { color: var(--color-text); }
.logo-icon { font-size: 1.6rem; }
.logo-text span { color: var(--color-primary); font-weight: 700; }

.main-nav { display: flex; align-items: center; }
.nav-menu {
  display: flex;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0;
  height: 2px; width: 0;
  background: var(--color-primary);
  transition: width var(--transition);
}
.nav-menu a:hover::after { width: 100%; }

.nav-cta { white-space: nowrap; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

.test-disclaimer {
  background: #111827;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
}

.test-disclaimer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 44px;
  padding-top: 8px;
  padding-bottom: 8px;
  text-align: center;
}

.test-disclaimer strong {
  flex: 0 0 auto;
  color: #facc15;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.test-disclaimer span {
  color: #fff;
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.03em;
}

/* ---------- Hero ---------- */
.hero {
  padding: 80px 0 70px;
  background:
    radial-gradient(1200px 500px at 90% -10%, rgba(29, 78, 216, 0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(250, 204, 21, 0.18), transparent 60%),
    var(--color-bg);
}
.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 50px;
  align-items: center;
}
.hero-text .lead { font-size: 1.1rem; max-width: 560px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 8px 0 28px; }
.hero-badges {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  color: var(--color-muted);
  font-size: 0.95rem;
}
.hero-badges strong { color: var(--color-text); display: block; font-size: 1.25rem; }

.hero-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute; inset: -1px;
  background: linear-gradient(135deg, rgba(29, 78, 216, 0.08), transparent 60%);
  pointer-events: none;
}
.hero-card-inner { display: grid; gap: 14px; }
.hero-card-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}
.hero-card-row span { font-size: 1.6rem; }
.hero-card-row strong { display: block; font-weight: 700; color: var(--color-text); }
.hero-card-row small { color: var(--color-muted); }

/* ---------- Sections ---------- */
section { padding: 80px 0; }
.alt-bg { background: var(--color-bg-alt); }

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}
.section-head p { color: var(--color-muted); }

/* ---------- Services Grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}
.service-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  color: var(--color-text);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(29, 78, 216, 0.4);
  color: var(--color-text);
}
.service-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: rgba(29, 78, 216, 0.1);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.service-card p { flex: 1; }
.service-link {
  margin-top: 10px;
  font-weight: 600;
  color: var(--color-primary);
}

/* ---------- Demo Lab ---------- */
.demo-lab {
  padding: 42px 0;
  background: #0f1d33;
}
.demo-lab-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}
.demo-lab h2,
.demo-lab p {
  color: #fff;
}
.demo-lab p {
  color: #cbd5e1;
  margin-bottom: 0;
}
.demo-actions {
  display: grid;
  gap: 12px;
  justify-items: start;
}
.demo-status {
  min-height: 22px;
  font-size: 0.92rem;
}
.demo-choice-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.demo-choice {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(29, 78, 216, 0.24);
  border-radius: 999px;
  padding: 9px 13px;
  background: #fff;
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 700;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.demo-choice:hover {
  color: var(--color-primary-dark);
  border-color: rgba(29, 78, 216, 0.5);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

/* ---------- Form Sections ---------- */
.form-section { padding: 90px 0; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.form-grid.reverse .form-info { order: 2; }
.form-grid.reverse .form-frame { order: 1; }

.form-info h2 { margin-top: 4px; }
.check-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 8px 18px;
}
.check-list li {
  position: relative;
  padding-left: 26px;
  color: var(--color-text);
  font-weight: 500;
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0; top: 0;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(29, 78, 216, 0.1);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* Iframe wrapper */
.form-frame {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 12px;
  box-shadow: var(--shadow-md);
}
.form-frame iframe,
.iframe-placeholder {
  width: 100%;
  min-height: 820px;
  border: 0;
  border-radius: var(--radius);
  background: var(--color-bg-alt);
  display: block;
}
.iframe-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 2px dashed rgba(29, 78, 216, 0.25);
}

.form-frame-tall iframe { min-height: 980px; }
@media (max-width: 900px) {
  .form-frame-tall iframe { min-height: 880px; }
}

/* Stacked layout — info on top, iframe full width */
.form-grid.stacked {
  grid-template-columns: 1fr;
  gap: 30px;
}
.form-grid.stacked .form-info {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.form-grid.stacked .form-info .check-list {
  justify-content: center;
}
.form-grid.stacked .form-frame {
  max-width: 1080px;
  width: 100%;
  margin: 0 auto;
}
.placeholder-inner {
  padding: 32px;
  max-width: 420px;
}
.placeholder-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
}
.iframe-placeholder h4 {
  font-size: 1.2rem;
  margin-bottom: 6px;
}
.iframe-placeholder code {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 12px;
  background: #0f1d33;
  color: #e2e8f0;
  border-radius: 8px;
  font-size: 0.78rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  word-break: break-all;
}

/* ---------- Why Section ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}
.why-item {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px;
  text-align: left;
}
.why-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
}

/* ---------- Contact ---------- */
.contact { background: linear-gradient(180deg, #fff 0%, var(--color-bg-alt) 100%); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.contact-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
.contact-list li { display: flex; gap: 12px; align-items: center; color: var(--color-text); }
.contact-list span { font-size: 1.2rem; }

.contact-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
}
.contact-form { display: grid; gap: 14px; margin-top: 12px; }
.contact-form label {
  display: grid;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  font: inherit;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: #fff;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.15);
}

/* ---------- Footer ---------- */
.site-footer {
  background: #0b1730;
  color: #cbd5e1;
  padding-top: 60px;
}
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: 30px;
  padding-bottom: 40px;
}
.footer-logo .logo-text { color: #fff; }
.footer-logo .logo-text span { color: var(--color-accent); }
.site-footer .muted { color: #94a3b8; }

.newsletter { display: flex; gap: 8px; margin-top: 8px; }
.newsletter input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid #1f2a44;
  background: #0f1d33;
  color: #fff;
}
.newsletter input::placeholder { color: #64748b; }

.footer-bottom {
  border-top: 1px solid #1f2a44;
  padding: 18px 0;
  color: #94a3b8;
  font-size: 0.85rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-content,
  .demo-lab-inner,
  .form-grid,
  .form-grid.reverse,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .form-grid.reverse .form-info,
  .form-grid.reverse .form-frame { order: initial; }
  .hero { padding: 60px 0 50px; }
  section { padding: 60px 0; }
  .form-section { padding: 60px 0; }
  .form-frame iframe,
  .iframe-placeholder { min-height: 720px; }
}

@media (max-width: 720px) {
  .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .test-disclaimer-inner {
    align-items: stretch;
    flex-direction: column;
    gap: 4px;
    min-height: 58px;
  }
  .test-disclaimer span {
    font-size: 0.78rem;
    letter-spacing: 0.02em;
  }
  .nav-menu {
    position: absolute;
    top: 126px; left: 16px; right: 16px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    flex-direction: column;
    gap: 4px;
    padding: 10px;
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }
  .nav-menu a {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
  }
  .nav-menu a:hover { background: var(--color-bg-alt); }
  .nav-menu a::after { display: none; }
  .nav-menu.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .check-list { grid-template-columns: 1fr; }
}