:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --text: #17202a;
  --muted: #657080;
  --line: #dfe4ea;
  --brand: #1769ff;
  --brand-dark: #0f4fc6;
  --soft: #eef4ff;
  --radius: 24px;
  --shadow: 0 18px 60px rgba(23, 32, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding: 1.1rem clamp(1.25rem, 4vw, 4rem);
  background: rgba(247, 248, 251, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 1.35rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.04em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
}

.nav-button {
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text) !important;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 4vw, 2rem);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.05em;
  line-height: 1.05;
}

h1 {
  max-width: 850px;
  font-size: clamp(3.2rem, 8vw, 6.5rem);
}

h2 {
  font-size: clamp(2.1rem, 5vw, 3.6rem);
}

h3 {
  font-size: 1.3rem;
}

.lead {
  max-width: 720px;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0.85rem 1.15rem;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: var(--brand);
  color: #fff;
}

.button.primary:hover {
  background: var(--brand-dark);
}

.button.secondary {
  background: var(--surface);
  border: 1px solid var(--line);
}

.hero-card,
.info-card,
.pricing-card,
.demo-placeholder,
.faq-list details {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-card {
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius);
}

.card-step {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: 18px;
  background: var(--soft);
}

.card-step span {
  display: inline-flex;
  width: 2.1rem;
  height: 2.1rem;
  justify-content: center;
  align-items: center;
  flex: none;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
}

.card-step p {
  margin: 0;
  font-weight: 700;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5.5rem) clamp(1.25rem, 4vw, 2rem);
}

.section.muted {
  max-width: none;
  background: #eef2f7;
}

.section.muted > * {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

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

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

.info-card,
.pricing-card {
  padding: 1.5rem;
  border-radius: var(--radius);
}

.info-card p,
.pricing-card p {
  margin: 0.8rem 0 0;
  color: var(--muted);
}

.demo-placeholder {
  min-height: 320px;
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(23, 105, 255, 0.16), rgba(255, 255, 255, 0.84)),
    var(--surface);
}

.demo-placeholder p {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 800;
}

.demo-placeholder span {
  display: block;
  color: var(--muted);
}

.pricing-card {
  max-width: 560px;
}

.pricing-card .button {
  margin-top: 1.25rem;
}

.small {
  font-size: 0.95rem;
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq-list details {
  padding: 1.15rem 1.25rem;
  border-radius: 18px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.faq-list p {
  margin: 0.8rem 0 0;
  color: var(--muted);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 2rem clamp(1.25rem, 4vw, 4rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.legal-page {
  max-width: 840px;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5rem) clamp(1.25rem, 4vw, 2rem);
}

.legal-page h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
}

.legal-page p,
.legal-page li {
  color: var(--muted);
}

.notice {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--soft);
}

@media (max-width: 840px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }

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

  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}