:root {
  --contrast: #222222;
  --contrast-2: #575760;
  --contrast-3: #b2b2be;
  --base: #f0f0f0;
  --base-2: #f7f8f9;
  --base-3: #ffffff;
  --accent: #1e73be;
}

html { scroll-behavior: smooth; }
body { background: var(--base-2); color: var(--contrast); }
a { color: var(--accent); }
.grid-container { max-width: 1200px; }
.site-header { background: var(--base-3); }
.inside-header { align-items: center; display: flex; justify-content: space-between; padding: 28px 40px; }
.site-logo { color: var(--contrast); font-size: 25px; font-weight: 700; text-decoration: none; }
.main-navigation { background: transparent; display: flex; gap: 30px; }
.main-navigation a { color: var(--contrast); text-decoration: none; }
.main-navigation a:hover, .main-navigation a:focus { color: var(--accent); }
.site-content { display: block; padding: 40px; }
.inside-article { background: var(--base-3); padding: 40px; }
.entry-header { margin-bottom: 30px; }
.entry-title { font-size: 42px; line-height: 1.2; }
.entry-content h2 { margin-top: 44px; }
.entry-content h3 { margin-top: 34px; }
.entry-content h4 { font-size: 22px; margin-top: 28px; }
.entry-content img { display: block; height: auto; margin: 24px auto; max-width: 100%; }
.entry-content hr { border: 0; border-top: 1px solid var(--base); margin: 42px 0; }
.site-footer { background: var(--base-3); color: var(--contrast-2); }
.inside-site-info { padding: 30px 40px; text-align: center; }

.toc { background: var(--base-2); border-radius: 4px; margin: 0 0 42px; padding: 24px 30px; }
.toc-title { font-size: 21px; font-weight: 700; margin-bottom: 12px; }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 5px 0; }
.toc li.toc-level-3 { padding-left: 22px; }
.toc li.toc-level-4 { padding-left: 44px; }
.toc a { text-decoration: none; }
.toc a:hover, .toc a:focus { text-decoration: underline; }

.home { background: #667eea; }
.home-content, .home-content .gb-element-ce84dd1a { min-height: 100vh; }
.home-content p { margin-bottom: 1.5em; }
.waitlist-form { display: grid; gap: 12px; grid-template-columns: minmax(0, 2fr) minmax(120px, 1fr); }
.waitlist-form input, .waitlist-form button { border: 1px solid var(--base); border-radius: 4px; font-size: 16px; min-height: 50px; padding: 12px 16px; }
.waitlist-form input { background: #fff; color: var(--contrast); }
.waitlist-form button { background: #6b69ce; color: #fff; cursor: pointer; font-weight: 600; }
.waitlist-form button:hover, .waitlist-form button:focus { background: #4442c2; }

@media (max-width: 768px) {
  .inside-header { align-items: flex-start; flex-direction: column; gap: 18px; padding: 24px 30px; }
  .site-content { padding: 20px; }
  .inside-article { padding: 30px; }
  .entry-title { font-size: 34px; }
  .toc li.toc-level-3 { padding-left: 16px; }
  .toc li.toc-level-4 { padding-left: 32px; }
  .waitlist-form { grid-template-columns: 1fr; }
}