:root {
  --bg: #f7f7f8;
  --bg-alt: #ffffff;
  --text: #111111;
  --muted: #555555;
  --accent: #1f6feb;
  --accent-soft: #e0ecff;
  --border: #e0e0e5;
  --card-bg: #ffffff;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.04);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --max-width: 1040px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at top, #fdfdfd 0, #f3f4f7 40%, #eceef3 100%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 20px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #ffffff, #d7e7ff);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.brand-text h1 {
  font-size: 18px;
  margin: 0;
}

.brand-text p {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.main-nav {
  display: flex;
  gap: 14px;
  font-size: 14px;
}

.main-nav a {
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--muted);
}

.main-nav a:hover {
  background: rgba(0, 0, 0, 0.04);
  text-decoration: none;
  color: var(--text);
}

.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 20px 32px;
}

.hero-text {
  background: linear-gradient(135deg, #ffffff, #f3f6ff);
  border-radius: 26px;
  padding: 28px 26px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.hero h2 {
  margin: 0 0 12px;
  font-size: 26px;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15px;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}

.btn.primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(31, 111, 235, 0.35);
}

.btn.primary:hover {
  background: #1654c4;
  text-decoration: none;
}

.btn.ghost {
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--border);
  color: var(--text);
}

.btn.ghost:hover {
  background: #ffffff;
  text-decoration: none;
}

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 20px 10px;
}

.section-alt {
  background: rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  margin-top: 10px;
  padding: 22px 20px 18px;
  box-shadow: var(--shadow-soft);
}

.section-header h3 {
  margin: 0 0 4px;
  font-size: 18px;
}

.section-header p {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 14px;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.9);
}

.card h4 {
  margin: 0 0 4px;
  font-size: 16px;
}

.card .tag {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.card .blurb {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.2fr);
  gap: 16px;
  align-items: flex-start;
}

.feature-list {
  margin: 10px 0 16px;
  padding-left: 18px;
  font-size: 14px;
  color: var(--muted);
}

.feature-list li + li {
  margin-top: 4px;
}

.callout {
  background: var(--accent-soft);
  border-radius: var(--radius-md);
  padding: 14px 14px 12px;
  border: 1px solid rgba(31, 111, 235, 0.2);
  font-size: 14px;
}

.callout h4 {
  margin: 0 0 6px;
  font-size: 15px;
}

.callout p {
  margin: 0 0 8px;
  color: var(--muted);
}

.narrow {
  max-width: 640px;
  font-size: 14px;
  color: var(--muted);
}

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 20px 26px;
  font-size: 12px;
  color: #777;
}

/* Responsive tweaks */
@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .hero-text {
    padding: 22px 18px;
  }

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