:root {
  --cf-ink: #17212b;
  --cf-muted: #64748b;
  --cf-line: #e2e8f0;
  --cf-surface: #ffffff;
  --cf-soft: #f8fafc;
  --cf-accent: #2563eb;
  --cf-accent-dark: #1d4ed8;
  --cf-radius: 18px;
}

/* Reusable prompt block */
.ai-prompt {
  margin: 2rem 0;
  border: 1px solid var(--cf-line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--cf-surface);
  box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
}
.ai-prompt__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 1rem;
  border-bottom: 1px solid var(--cf-line);
  background: var(--cf-soft);
}
.ai-prompt__title {
  margin: 0;
  color: var(--cf-ink);
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.3;
}
.ai-prompt__copy {
  flex: 0 0 auto;
  min-height: 36px;
  padding: .48rem .72rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  color: #1e3a8a;
  background: #fff;
  font: inherit;
  font-size: .875rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
}
.ai-prompt__copy:hover,
.ai-prompt__copy:focus-visible {
  border-color: var(--cf-accent);
  color: #fff;
  background: var(--cf-accent);
}
.ai-prompt__copy:focus-visible,
.cf-guides-home a:focus-visible {
  outline: 3px solid rgba(37, 99, 235, .3);
  outline-offset: 3px;
}
.ai-prompt__text {
  box-sizing: border-box;
  width: 100%;
  max-width: none;
  max-height: 30rem;
  margin: 0;
  padding: 1.1rem 1.2rem;
  overflow: auto;
  color: var(--cf-ink);
  border: 0;
  background: #fff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: .875rem;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* A focused reading column for all guide pages. */
.entry-content,
.wp-block-post-content {
  max-width: 760px;
  margin-inline: auto;
  color: var(--cf-ink);
  font-size: 1.0625rem;
  line-height: 1.75;
}
.entry-content h1,
.wp-block-post-content h1 { margin: 0 0 1.25rem; font-size: clamp(2rem, 5vw, 3.1rem); line-height: 1.12; letter-spacing: -.035em; }
.entry-content h2,
.wp-block-post-content h2 { margin-top: 2.7rem; color: var(--cf-ink); font-size: clamp(1.45rem, 3vw, 2rem); line-height: 1.2; letter-spacing: -.02em; }
.entry-content h3,
.wp-block-post-content h3 { margin-top: 2rem; color: var(--cf-ink); font-size: 1.2rem; }
.entry-content blockquote,
.wp-block-post-content blockquote { margin: 1.5rem 0; padding: 1rem 1.2rem; border-left: 3px solid #93c5fd; color: #334155; background: var(--cf-soft); }

/* Homepage library */
.cf-guides-home {
  margin: 0;
  color: var(--cf-ink);
  background: #fff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}
.cf-guides-home *, .cf-guides-home *::before, .cf-guides-home *::after { box-sizing: border-box; }
.cf-guides-home a { color: inherit; text-decoration: none; }
.cf-site-header { border-bottom: 1px solid var(--cf-line); background: rgba(255, 255, 255, .96); }
.cf-nav, .cf-container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.cf-nav { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 1rem; }
.cf-brand { color: var(--cf-ink); font-size: 1rem; font-weight: 800; letter-spacing: -.02em; }
.cf-nav__link { color: #475569; font-size: .925rem; font-weight: 650; }
.cf-hero { padding: clamp(4.5rem, 10vw, 8rem) 0 clamp(3.5rem, 8vw, 6rem); background: linear-gradient(180deg, #f8fbff 0%, #fff 78%); }
.cf-hero__copy { max-width: 790px; }
.cf-eyebrow { margin: 0 0 .9rem; color: var(--cf-accent); font-size: .8rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.cf-hero h1 { max-width: 720px; margin: 0; font-size: clamp(2.65rem, 7vw, 5rem); line-height: .98; letter-spacing: -.055em; }
.cf-hero p:not(.cf-eyebrow) { max-width: 620px; margin: 1.4rem 0 0; color: #475569; font-size: clamp(1.12rem, 2.5vw, 1.35rem); line-height: 1.55; }
.cf-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.cf-button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: .7rem 1rem; border: 1px solid transparent; border-radius: 9px; font-size: .95rem; font-weight: 700; }
.cf-button--primary { color: #fff !important; background: var(--cf-accent); }
.cf-button--primary:hover { background: var(--cf-accent-dark); }
.cf-button--secondary { border-color: #cbd5e1; color: #1e3a8a !important; background: #fff; }
.cf-section { padding: clamp(3.5rem, 7vw, 5.75rem) 0; }
.cf-section--soft { border-block: 1px solid var(--cf-line); background: var(--cf-soft); }
.cf-section__heading { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.7rem; }
.cf-section h2 { margin: 0; color: var(--cf-ink); font-size: clamp(1.75rem, 4vw, 2.5rem); letter-spacing: -.04em; }
.cf-section__heading p { margin: 0; color: var(--cf-muted); }
.cf-guide-grid, .cf-category-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.cf-guide-card { display: flex; flex-direction: column; min-height: 100%; overflow: hidden; border: 1px solid var(--cf-line); border-radius: var(--cf-radius); background: #fff; transition: transform .15s ease, box-shadow .15s ease; }
.cf-guide-card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(15, 23, 42, .08); }
.cf-guide-card__image, .cf-guide-card__placeholder { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: linear-gradient(135deg, #dbeafe, #f8fafc); }
.cf-guide-card__body { display: flex; flex: 1; flex-direction: column; padding: 1.2rem; }
.cf-guide-card h3 { margin: 0; color: var(--cf-ink); font-size: 1.18rem; line-height: 1.25; letter-spacing: -.02em; }
.cf-guide-card p { margin: .75rem 0 0; color: var(--cf-muted); font-size: .94rem; }
.cf-guide-card__link { margin-top: auto; padding-top: 1rem; color: var(--cf-accent); font-size: .9rem; font-weight: 750; }
.cf-category { min-height: 132px; padding: 1.2rem; border: 1px solid var(--cf-line); border-radius: 13px; background: #fff; }
.cf-category h3 { margin: 0; font-size: 1.05rem; }
.cf-category p { margin: .55rem 0 0; color: var(--cf-muted); font-size: .92rem; }
.cf-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; counter-reset: cf-step; }
.cf-step { position: relative; padding: 1.15rem 1rem 1.15rem 3.3rem; border-top: 1px solid #cbd5e1; color: #334155; }
.cf-step::before { position: absolute; top: 1rem; left: 0; display: grid; width: 2rem; height: 2rem; place-items: center; border-radius: 50%; color: #1e3a8a; background: #dbeafe; font-size: .8rem; font-weight: 800; counter-increment: cf-step; content: counter(cf-step); }
.cf-telegram { padding: clamp(3.5rem, 7vw, 5.5rem) 0; text-align: center; background: #0f172a; }
.cf-telegram h2 { max-width: 620px; margin: 0 auto; color: #fff; font-size: clamp(1.85rem, 4vw, 2.6rem); letter-spacing: -.04em; }
.cf-telegram p { max-width: 530px; margin: 1rem auto 1.6rem; color: #cbd5e1; }
.cf-telegram .cf-button { color: #0f172a !important; background: #fff; }
.cf-site-footer { padding: 1.5rem 0; color: #64748b; background: #fff; font-size: .875rem; }

@media (max-width: 760px) {
  .cf-nav, .cf-container { width: min(100% - 32px, 1120px); }
  .cf-guide-grid, .cf-category-grid, .cf-steps { grid-template-columns: 1fr; }
  .cf-section__heading { display: block; }
  .cf-section__heading p { margin-top: .5rem; }
  .cf-hero { padding-top: 4.3rem; }
  .cf-hero h1 { font-size: clamp(2.45rem, 14vw, 3.5rem); }
  .ai-prompt__header { align-items: flex-start; }
  .ai-prompt__copy { min-height: 38px; }
  .ai-prompt__text { padding: 1rem; font-size: .81rem; }
}