:root {
  --wall: #FFFFFF;
  --ink: #111111;
  --ink-soft: #666460;
  --stone: #9C978D;
  --line: #E9E8E4;
  --paper: #FFFFFF;

  --display: 'Inter', -apple-system, sans-serif;
  --body: 'Inter', -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--wall);
  color: var(--ink);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
.wrap-narrow { max-width: 680px; margin: 0 auto; padding: 0 40px; }

h1, h2, h3, .display { font-family: var(--display); font-weight: 600; letter-spacing: -0.015em; color: var(--ink); }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 28px; width: 28px; }
.brand-text { font-family: var(--display); font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }

.main-nav { display: flex; gap: 34px; font-family: var(--body); font-size: 13px; letter-spacing: 0.01em; color: var(--ink-soft); }
.main-nav a { transition: color 0.2s ease; }
.main-nav a:hover, .main-nav a.active { color: var(--ink); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--body); font-size: 13px; letter-spacing: 0.01em;
  padding: 13px 28px; border: 1px solid var(--ink);
  transition: all 0.25s ease; cursor: pointer; background: transparent; color: var(--ink);
}
.btn:hover { background: var(--ink); color: var(--wall); }
.btn-plain { border: none; padding: 0; text-decoration: underline; text-underline-offset: 3px; font-size: 13px; }
.btn-plain:hover { background: none; color: var(--ink-soft); }

.site-footer { border-top: 1px solid var(--line); margin-top: 120px; padding: 56px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 36px; }
.footer-grid h4 { font-family: var(--body); font-size: 12px; letter-spacing: 0.04em; color: var(--stone); margin-bottom: 14px; font-weight: 500; }
.footer-grid a, .footer-grid p { display: block; font-size: 13.5px; color: var(--ink-soft); margin-bottom: 8px; }
.footer-grid a:hover { color: var(--ink); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 20px; display: flex; justify-content: space-between; font-size: 12px; color: var(--stone); }

.eyebrow { font-family: var(--body); font-size: 12px; letter-spacing: 0.04em; color: var(--stone); margin-bottom: 14px; }

.section { padding: 90px 0; }

@media (max-width: 900px) {
  .wrap, .wrap-narrow { padding: 0 24px; }
  .main-nav { gap: 18px; font-size: 12px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}