:root {
  --ink: #21162f;
  --muted: #62586e;
  --paper: #fbfaf8;
  --surface: #ffffff;
  --line: #e6e0eb;
  --purple: #5c2d91;
  --green: #9bd545;
  --cyan: #4cc9f0;
  --magenta: #d6428a;
  --shadow: 0 18px 40px rgba(33, 22, 47, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(230, 224, 235, 0.9);
  background: rgba(251, 250, 248, 0.92);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 116px;
  height: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a {
  text-decoration: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--purple);
  border-radius: 6px;
  background: var(--purple);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button.secondary {
  background: transparent;
  color: var(--purple);
}

.button.green {
  border-color: var(--green);
  background: var(--green);
  color: #17220a;
}

.hero {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0 42px;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.76fr);
  gap: 44px;
  align-items: center;
}

.eyebrow {
  color: var(--purple);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  max-width: 780px;
  margin-top: 12px;
  font-size: clamp(2.7rem, 6vw, 5.5rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

h3 {
  font-size: 1.18rem;
}

.lead {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.14rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-panel {
  position: relative;
  min-height: 430px;
  border-radius: 8px;
  background:
    radial-gradient(circle at 20% 20%, rgba(155, 213, 69, 0.38), transparent 34%),
    radial-gradient(circle at 80% 18%, rgba(76, 201, 240, 0.32), transparent 28%),
    linear-gradient(145deg, #ffffff, #efe8f7);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.symbol-grid {
  position: absolute;
  inset: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.symbol-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  filter: drop-shadow(0 12px 18px rgba(33, 22, 47, 0.14));
}

.section {
  padding: 64px 0;
}

.section-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 40px;
  align-items: start;
}

.feature-list,
.case-grid,
.metric-grid {
  display: grid;
  gap: 16px;
}

.feature-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature,
.case-card,
.metric,
.form-panel,
.download-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 12px 24px rgba(33, 22, 47, 0.06);
}

.feature,
.case-card,
.metric {
  padding: 22px;
}

.case-card {
  text-decoration: none;
}

.case-card p,
.feature p,
.metric p {
  color: var(--muted);
}

.download-panel,
.form-panel {
  padding: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 6px;
}

.field.full {
  grid-column: 1 / -1;
}

label {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

textarea {
  min-height: 104px;
  resize: vertical;
}

.form-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.status {
  min-height: 24px;
  margin-top: 12px;
  font-weight: 800;
}

.case-hero {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0 32px;
}

.case-body {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 72px;
}

.content-block {
  margin-top: 32px;
}

.content-block p,
.content-block li {
  color: var(--muted);
}

.site-footer {
  padding: 36px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

@media (max-width: 860px) {
  .nav {
    min-height: 64px;
  }

  .nav-links {
    display: none;
  }

  .hero,
  .split,
  .feature-list,
  .case-grid,
  .metric-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 44px;
  }

  .hero-panel {
    min-height: 300px;
  }

  .footer-inner {
    flex-direction: column;
  }
}