:root {
  --background: 0 0% 100%;
  --foreground: 0 0% 3.9%;
  --card: 0 0% 100%;
  --muted: 205 27% 26%;
  --border: 0 0% 89.8%;
  --primary: 317 20% 43%;
  --primary-foreground: 0 0% 100%;
  --accent: 49 88% 60%;
  --radius: 0.5rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  line-height: 1.6;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: hsla(var(--background), 0.96);
  border-bottom: 1px solid hsl(var(--border));
  backdrop-filter: blur(12px);
  z-index: 10;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.brand-mark {
  color: hsl(var(--primary));
}

.brand-logo {
  display: block;
  height: 32px;
  width: auto;
}

.header-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.hero {
  padding: 5rem 0 4rem;
  background: linear-gradient(
    135deg,
    hsla(var(--accent), 0.2),
    hsla(var(--background), 0.95)
  );
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 3vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.1rem;
  color: hsla(var(--foreground), 0.75);
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  font-weight: 600;
  color: hsl(var(--muted));
  margin-bottom: 1rem;
}

.panel-card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: calc(var(--radius) + 4px);
  padding: 2rem;
  box-shadow: 0 16px 40px hsla(var(--foreground), 0.08);
}

.panel-title {
  font-weight: 600;
  margin-bottom: 1rem;
}

.panel-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: grid;
  gap: 0.75rem;
}

.panel-list li {
  padding-left: 1.2rem;
  position: relative;
}

.panel-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: hsl(var(--primary));
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: hsla(var(--primary), 0.12);
  color: hsl(var(--primary));
}

.section {
  padding: 4.5rem 0;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 2.5rem;
}

.section-heading h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 2.5vw, 2.6rem);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card {
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 1.5rem;
  background: hsl(var(--card));
  box-shadow: 0 12px 24px hsla(var(--foreground), 0.04);
}

.card h3 {
  margin-top: 0;
}

.accent {
  background: hsla(var(--accent), 0.12);
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
  align-items: start;
}

.highlight {
  background: hsl(var(--background));
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.75rem;
}

.checklist li {
  position: relative;
  padding-left: 1.6rem;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: hsl(var(--primary));
}

.demo-form {
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 2rem;
  background: hsl(var(--card));
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.form-grid label {
  display: grid;
  gap: 0.5rem;
  font-weight: 500;
}

.form-grid input,
.form-grid textarea {
  border: 1px solid hsl(var(--border));
  border-radius: 0.4rem;
  padding: 0.65rem 0.75rem;
  font: inherit;
  background: hsl(var(--background));
}

.form-grid input:focus,
.form-grid textarea:focus {
  outline: 2px solid hsla(var(--primary), 0.4);
  border-color: hsla(var(--primary), 0.6);
}

.span-2 {
  grid-column: span 2;
}

.form-note {
  margin-top: 0.75rem;
  color: hsla(var(--foreground), 0.6);
  font-size: 0.9rem;
}

.form-status {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 0.5rem;
  font-weight: 500;
  display: none;
}

.form-status.is-visible {
  display: block;
}

.form-status.success {
  background: hsla(var(--primary), 0.12);
  color: hsl(var(--primary));
  border: 1px solid hsla(var(--primary), 0.3);
}

.form-status.error {
  background: hsla(0, 84%, 60%, 0.12);
  color: hsl(0 84% 40%);
  border: 1px solid hsla(0, 84%, 60%, 0.3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  box-shadow: 0 12px 25px hsla(var(--primary), 0.25);
}

.btn-secondary {
  border-color: hsla(var(--primary), 0.3);
  color: hsl(var(--primary));
  background: transparent;
}

.btn-link {
  color: hsl(var(--primary));
  font-weight: 600;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.site-footer {
  border-top: 1px solid hsl(var(--border));
  padding: 2.5rem 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: flex-end;
  text-align: right;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 900px) {
  .hero-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .span-2 {
    grid-column: span 1;
  }

  .footer-links {
    align-items: flex-start;
    text-align: left;
  }
}