:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #667085;
  --line: #dbe3ee;
  --paper: #ffffff;
  --soft: #f5f8fc;
  --green: #06c653;
  --focus: #101828;
}

* {
  box-sizing: border-box;
}

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

a {
  color: inherit;
}

.site-header {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 950;
  font-size: 1.2rem;
}

.brand img {
  width: 34px;
  height: 34px;
}

nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-weight: 850;
}

nav a {
  text-decoration: none;
}

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

.hero {
  padding: clamp(64px, 12vw, 138px) 0 clamp(50px, 8vw, 92px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.8rem);
  line-height: 0.96;
}

.hero-copy {
  max-width: 660px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.48;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary-button,
.secondary-button {
  min-height: 48px;
  border-radius: 8px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--focus);
  font-weight: 900;
  text-decoration: none;
}

.primary-button {
  background: var(--focus);
  color: white;
}

.secondary-button {
  background: white;
  color: var(--focus);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 70px;
}

.features article,
.plan-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(16, 24, 40, 0.06);
}

.features article {
  padding: 22px;
}

.features strong {
  font-size: 1.08rem;
}

.features p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.45;
  font-weight: 650;
}

.plans {
  padding-bottom: 80px;
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading h2 {
  max-width: 640px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.02;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.plan-card {
  padding: 24px;
}

.plan-card.featured {
  border-color: var(--focus);
}

.plan-card h3 {
  margin: 0;
  font-size: 1.5rem;
}

.price {
  margin: 20px 0;
  font-size: 2.6rem;
  font-weight: 950;
}

.price span {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 800;
}

ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-weight: 750;
  line-height: 1.8;
}

@media (max-width: 760px) {
  .site-header,
  .hero,
  .features,
  .plans {
    width: min(100% - 24px, 1120px);
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .features,
  .plan-grid {
    grid-template-columns: 1fr;
  }
}
