:root {
  color-scheme: light;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  --bg: #ffffff;
  --bg-alt: #f8fbff;
  --text: #0f172a;
  --muted: #475569;
  --primary: #2563eb;
  --primary-strong: #1d4ed8;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --gradient: linear-gradient(120deg, #2563eb 0%, #38bdf8 100%);
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.18);
}

.hero {
  padding: 32px clamp(20px, 4vw, 80px) 96px;
  background: radial-gradient(160% 120% at 93% 0%, rgba(37, 99, 235, 0.12) 0%, transparent 50%), var(--bg);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  backdrop-filter: blur(18px);
  padding: 16px clamp(20px, 4vw, 80px);
  transition: box-shadow 0.3s ease, background 0.3s ease;
  z-index: 10;
}

.nav--scrolled {
  background: rgba(248, 251, 255, 0.9);
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
}

.logo {
  font-weight: 800;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-weight: 500;
  color: var(--muted);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  border: none;
  cursor: pointer;
}

.button--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 14px 40px rgba(37, 99, 235, 0.3);
}

.button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 48px rgba(37, 99, 235, 0.38);
}

.button--ghost {
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary-strong);
}

.button--ghost:hover {
  background: rgba(37, 99, 235, 0.16);
}

.hero-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(32px, 6vw, 72px);
  margin-top: 56px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--primary-strong);
  font-weight: 600;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.8rem;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin: 24px 0 20px;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 28px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.hero-highlights {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-figure figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.section {
  padding: clamp(64px, 8vw, 112px) clamp(20px, 4vw, 80px);
}

.section--alt {
  background: var(--bg-alt);
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-heading h2 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin-bottom: 16px;
}

.section-heading p {
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.feature-card {
  background: #fff;
  padding: 28px;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

.feature-card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.2rem;
}

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

.screenshot {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.screenshot figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.steps li {
  background: #fff;
  padding: 28px;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
}

.step-number {
  display: inline-block;
  font-weight: 700;
  color: var(--primary);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
  max-width: 720px;
  margin: 0 auto;
}

.pricing-card {
  background: #fff;
  padding: 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.1);
}

.pricing-card--highlight {
  border: 2px solid rgba(37, 99, 235, 0.3);
  box-shadow: 0 24px 60px rgba(37, 99, 235, 0.24);
}

.price {
  font-size: 2.4rem;
  font-weight: 700;
  margin: 12px 0 24px;
}

.pricing-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

.pricing-card .button {
  margin-top: 24px;
  width: 100%;
}

.faq {
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.faq details {
  background: #fff;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.faq summary {
  font-weight: 600;
  cursor: pointer;
  outline: none;
}

.faq p {
  color: var(--muted);
  margin-top: 12px;
}

.footer {
  background: #0f172a;
  color: #e2e8f0;
  padding: clamp(60px, 8vw, 90px) clamp(20px, 4vw, 80px);
  text-align: center;
}

.footer-inner {
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  gap: 20px;
}

.footer .button--primary {
  justify-self: center;
}

.footnote {
  font-size: 0.85rem;
  color: #cbd5f5;
}

@media (max-width: 720px) {
  .nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .nav-links {
    flex-basis: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

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

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