:root {
  --color-bg: #ffffff;
  --color-surface: #f6f8fb;
  --color-text: #15202b;
  --color-text-muted: #5b6772;
  --color-accent: #0b5fff;
  --color-accent-hover: #094bcc;
  --color-border: #e3e8ee;
  --max-width: 1080px;
  --max-width-narrow: 720px;
  --radius: 8px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.container.narrow { max-width: var(--max-width-narrow); }

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  font-weight: 700;
  font-size: 20px;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; color: var(--color-accent); }
.primary-nav {
  display: flex;
  gap: 24px;
}
.primary-nav a {
  color: var(--color-text-muted);
  font-size: 15px;
  font-weight: 500;
}
.primary-nav a:hover { color: var(--color-accent); text-decoration: none; }

/* Hero */
.hero {
  padding: 88px 0 64px;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}
.hero h1 {
  font-size: 42px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 760px;
}
.hero .lead {
  font-size: 19px;
  color: var(--color-text-muted);
  max-width: 680px;
  margin: 0;
}

/* Sections */
.section {
  padding: 72px 0;
}
.section-alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.section h2 {
  font-size: 28px;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}
.section h3 {
  font-size: 18px;
  margin: 0 0 8px;
}
.section p { margin: 0 0 16px; }

/* Feature list */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.feature-list li {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}
.feature-list p {
  color: var(--color-text-muted);
  font-size: 15px;
  margin: 0;
}

/* Company info block */
.company-info {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 16px;
  max-width: 480px;
}
.company-info address {
  font-style: normal;
  margin: 0 0 12px;
}
.company-info p { margin: 0 0 12px; }
.company-info p:last-child { margin-bottom: 0; }

/* Typography */
h1, h2, h3 { font-weight: 700; color: var(--color-text); }
.muted { color: var(--color-text-muted); font-size: 14px; }

/* Privacy / Terms long-form */
.container.narrow h2 {
  font-size: 22px;
  margin-top: 40px;
  margin-bottom: 12px;
}
.container.narrow ul {
  margin: 0 0 20px;
  padding-left: 22px;
}
.container.narrow ul li {
  margin-bottom: 8px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 14px;
}
.site-footer p { margin: 0 0 6px; }
.site-footer a { color: var(--color-text-muted); }
.site-footer a:hover { color: var(--color-accent); }

/* Responsive */
@media (max-width: 600px) {
  .hero { padding: 56px 0 40px; }
  .hero h1 { font-size: 32px; }
  .hero .lead { font-size: 17px; }
  .section { padding: 48px 0; }
  .primary-nav { gap: 14px; }
  .primary-nav a { font-size: 14px; }
  .header-inner { height: 56px; }
}