/*
 * /use-case-pattern/ section index — designed landing.
 * Sections: hero · 4 maturity levels · 3 pillars · 3 use-cases · CTA.
 * Scoped under .ucp-page.
 */

.ucp-page {
  --ucp-bg:        #FAF7F2;
  --ucp-bg-alt:    #F2EDE5;
  --ucp-fg:        #1C1A17;
  --ucp-accent:    #2F5B4F;
  --ucp-muted:     #8A817A;
  --ucp-surface:   #FFFFFF;
  --ucp-border:    rgba(47, 91, 79, 0.10);

  --ucp-font-display: 'Lora', 'Iowan Old Style', 'Charter', Georgia, 'Times New Roman', serif;
  --ucp-font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --ucp-font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  background: var(--ucp-bg);
}

.ucp-page .footer-cta { display: none; }

.ucp-page .ucp-main {
  background: var(--ucp-bg);
  color: var(--ucp-fg);
  font-family: var(--ucp-font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  margin-top: 0;
  flex: 1 1 auto;
  min-width: 0;
}
.ucp-page .ucp-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── HERO ─────────────────────────────────────────────────────── */
.ucp-page .ucp-hero {
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--ucp-border);
}
.ucp-page .ucp-eyebrow {
  font-family: var(--ucp-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ucp-accent);
  margin: 0 0 24px;
}
.ucp-page .ucp-h1 {
  font-family: var(--ucp-font-display);
  font-size: clamp(48px, 7vw, 88px);
  line-height: 1.0;
  letter-spacing: -0.025em;
  margin: 0 0 28px;
  font-weight: 500;
  color: var(--ucp-fg);
}
.ucp-page .ucp-h1 em {
  font-style: italic;
  color: var(--ucp-accent);
  font-weight: 500;
}
.ucp-page .ucp-lead {
  font-family: var(--ucp-font-display);
  font-style: italic;
  font-size: 22px;
  line-height: 1.5;
  color: var(--ucp-muted);
  max-width: 60ch;
  margin: 0 0 36px;
}
.ucp-page .ucp-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.ucp-page .ucp-btn {
  display: inline-block;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 12px;
  text-decoration: none;
  transition: transform 0.12s ease, background 0.12s ease;
}
.ucp-page .ucp-btn-primary {
  background: var(--ucp-accent);
  color: var(--ucp-bg);
  border: 1px solid var(--ucp-accent);
}
.ucp-page .ucp-btn-primary:hover { transform: translateY(-1px); color: var(--ucp-bg); }
.ucp-page .ucp-btn-secondary {
  background: transparent;
  color: var(--ucp-fg);
  border: 1px solid var(--ucp-fg);
}
.ucp-page .ucp-btn-secondary:hover {
  background: rgba(28, 26, 23, 0.04);
  color: var(--ucp-fg);
}

/* ── SECTIONS shared ──────────────────────────────────────────── */
.ucp-page .ucp-section {
  padding: 80px 0;
  border-bottom: 1px solid var(--ucp-border);
}
.ucp-page .ucp-section-alt {
  background: var(--ucp-bg-alt);
}
.ucp-page .ucp-section-title {
  font-family: var(--ucp-font-display);
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  font-weight: 500;
  color: var(--ucp-fg);
}
.ucp-page .ucp-section-sub {
  font-family: var(--ucp-font-display);
  font-style: italic;
  font-size: 19px;
  line-height: 1.5;
  color: var(--ucp-muted);
  max-width: 64ch;
  margin: 0 0 32px;
}
/* Без hero — онтология сразу с верха страницы (компактно, чтобы влезло в viewport) */
.ucp-page .ucp-section-onto-only {
  padding-top: 24px;
  padding-bottom: 24px;
}

.ucp-page .onto-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 16px;
}

/* ── Онтология (design-grade card layout) ──────────────────── */
.ucp-page .onto {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 20px;
  background: linear-gradient(180deg, rgba(47, 91, 79, 0.04) 0%, rgba(47, 91, 79, 0.07) 100%);
  border-radius: 8px;
}
.ucp-page .onto-row {
  display: grid;
  gap: 16px;
  width: 100%;
  max-width: 1100px;
}
.ucp-page .onto-row-root {
  grid-template-columns: 1fr;
  max-width: 460px;
}
.ucp-page .onto-row-3 { grid-template-columns: repeat(4, 1fr); }
.ucp-page .onto-row-2 { grid-template-columns: 1fr 1fr; max-width: 880px; }
.ucp-page .onto-row-1 { grid-template-columns: 1fr; max-width: 720px; }
.ucp-page .onto-row-outcome { grid-template-columns: 1fr; max-width: 720px; }

.ucp-page .onto-card {
  display: block;
  padding: 14px 16px;
  background: #FFFFFF;
  border: 1px solid rgba(47, 91, 79, 0.15);
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
a.onto-card:hover {
  transform: translateY(-2px);
  border-color: var(--ucp-accent, #2F5B4F);
  box-shadow: 0 6px 20px rgba(28, 26, 23, 0.08);
}
.ucp-page .onto-card-root {
  background: var(--ucp-accent, #2F5B4F);
  color: #FFFFFF;
  text-align: center;
  padding: 18px 24px;
  border-color: var(--ucp-accent, #2F5B4F);
}
.ucp-page .onto-card-root .onto-card-eyebrow { color: rgba(255,255,255,0.75); }
.ucp-page .onto-card-root .onto-card-title {
  font-family: var(--ucp-font-display, 'Lora', serif);
  font-size: 26px;
  font-weight: 600;
  margin: 4px 0 4px;
  color: #FFFFFF;
  letter-spacing: -0.01em;
}
.ucp-page .onto-card-root .onto-card-body { color: rgba(255,255,255,0.85); }

.ucp-page .onto-card-eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ucp-accent, #2F5B4F);
  margin: 0 0 8px;
}
.ucp-page .onto-card-h4 {
  font-family: var(--ucp-font-display, 'Lora', serif);
  font-size: 16px;
  font-weight: 500;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
  color: var(--ucp-fg, #1C1A17);
  line-height: 1.25;
}
.ucp-page .onto-card-body {
  font-size: 13px;
  line-height: 1.45;
  margin: 0;
  color: var(--ucp-muted, #6B6660);
}
.ucp-page .onto-card-body code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  background: rgba(47, 91, 79, 0.08);
  color: var(--ucp-fg, #1C1A17);
  padding: 1px 5px;
  border-radius: 3px;
}

.ucp-page .onto-card-accent {
  border-left: 3px solid var(--ucp-accent, #2F5B4F);
}
.ucp-page .onto-card-note {
  display: inline-block;
  margin-top: 6px;
  font-style: italic;
  color: var(--ucp-fg, #1C1A17);
  opacity: 0.85;
}
.ucp-page .onto-card-note code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  background: rgba(47, 91, 79, 0.08);
  padding: 1px 5px;
  border-radius: 3px;
}

.ucp-page .onto-arrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ucp-accent, #2F5B4F);
  margin: 0;
  font-weight: 500;
}

.ucp-page .onto-outcome {
  padding: 16px 24px;
  background: #FFFFFF;
  border: 2px solid var(--ucp-accent, #2F5B4F);
  border-radius: 8px;
  text-align: center;
  font-family: var(--ucp-font-display, 'Lora', serif);
  font-style: italic;
  font-size: 16px;
  line-height: 1.45;
  color: var(--ucp-fg, #1C1A17);
}
.ucp-page .onto-outcome strong {
  font-style: normal;
  color: var(--ucp-accent, #2F5B4F);
  font-weight: 600;
}

.ucp-page .onto-footer {
  margin: 8px 0 0;
  font-family: var(--ucp-font-display, 'Lora', serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ucp-muted, #6B6660);
}
.ucp-page .onto-footer a {
  color: var(--ucp-accent, #2F5B4F);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid rgba(47, 91, 79, 0.3);
}
.ucp-page .onto-footer a:hover {
  border-bottom-color: var(--ucp-accent, #2F5B4F);
}

@media (max-width: 900px) {
  .ucp-page .onto-row-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .ucp-page .onto-row-3,
  .ucp-page .onto-row-2 { grid-template-columns: 1fr; }
  .ucp-page .onto-card-root .onto-card-title { font-size: 26px; }
}

/* ── 4 LEVELS ─────────────────────────────────────────────────── */
.ucp-page .ucp-levels {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.ucp-page .ucp-level {
  display: block;
  padding: 24px 28px;
  background: var(--ucp-surface);
  border: 1px solid var(--ucp-border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--ucp-fg);
  transition: border-color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
  position: relative;
}
.ucp-page .ucp-level::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--ucp-accent);
  border-radius: 12px 0 0 12px;
  opacity: 0.3;
  transition: opacity 0.16s ease;
}
.ucp-page .ucp-level:hover {
  border-color: var(--ucp-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(28, 26, 23, 0.06);
  color: var(--ucp-fg);
}
.ucp-page .ucp-level:hover::before { opacity: 1; }
.ucp-page .ucp-level-num {
  font-family: var(--ucp-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ucp-accent);
  margin: 0 0 6px;
}
.ucp-page .ucp-level-title {
  font-family: var(--ucp-font-display);
  font-size: 24px;
  letter-spacing: -0.01em;
  font-weight: 500;
  margin: 0 0 12px;
  color: var(--ucp-fg);
}
.ucp-page .ucp-level-body {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ucp-muted);
  margin: 0;
}

/* ── 3 PILLARS ────────────────────────────────────────────────── */
.ucp-page .ucp-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ucp-page .ucp-pillar {
  background: var(--ucp-surface);
  border: 1px solid var(--ucp-border);
  border-radius: 12px;
  padding: 28px;
}
.ucp-page .ucp-pillar-eyebrow {
  font-family: var(--ucp-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ucp-accent);
  margin: 0 0 8px;
}
.ucp-page .ucp-pillar-title {
  font-family: var(--ucp-font-display);
  font-size: 22px;
  letter-spacing: -0.01em;
  font-weight: 500;
  margin: 0 0 12px;
  color: var(--ucp-fg);
}
.ucp-page .ucp-pillar-body {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ucp-fg);
  margin: 0;
}
.ucp-page .ucp-pillar-body a {
  color: var(--ucp-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 91, 79, 0.4);
}
.ucp-page .ucp-pillar-body a:hover {
  background: rgba(47, 91, 79, 0.08);
}

/* ── USE CASES ────────────────────────────────────────────────── */
.ucp-page .ucp-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ucp-page .ucp-case {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 28px;
  background: var(--ucp-surface);
  border: 1px solid var(--ucp-border);
  border-radius: 12px;
}
.ucp-page .ucp-case-symptom {
  font-family: var(--ucp-font-display);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--ucp-fg);
  margin: 0;
}
.ucp-page .ucp-case-detail {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ucp-muted);
  margin: 0;
  flex: 1;
}
.ucp-page .ucp-case-link {
  font-family: var(--ucp-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  margin: 6px 0 0;
}
.ucp-page .ucp-case-link a {
  color: var(--ucp-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 91, 79, 0.4);
}
.ucp-page .ucp-case-link a:hover { background: rgba(47, 91, 79, 0.08); }

/* ── CTA ──────────────────────────────────────────────────────── */
.ucp-page .ucp-cta {
  background: var(--ucp-accent);
  color: var(--ucp-bg);
  padding: 72px 0 80px;
}
.ucp-page .ucp-cta-title {
  font-family: var(--ucp-font-display);
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 500;
  color: var(--ucp-bg);
  margin: 0 0 16px;
}
.ucp-page .ucp-cta-sub {
  font-family: var(--ucp-font-display);
  font-style: italic;
  font-size: 19px;
  color: var(--ucp-bg);
  opacity: 0.92;
  margin: 0 0 32px;
  max-width: 56ch;
}
.ucp-page .ucp-cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.ucp-page .ucp-cta-btn {
  display: inline-block;
  padding: 14px 24px;
  background: var(--ucp-bg);
  color: var(--ucp-fg);
  border: 1px solid var(--ucp-bg);
  border-radius: 12px;
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: transform 0.12s ease;
}
.ucp-page .ucp-cta-btn:hover { transform: translateY(-1px); color: var(--ucp-fg); }
.ucp-page .ucp-cta-btn-secondary {
  background: transparent;
  color: var(--ucp-bg);
  border-color: var(--ucp-bg);
}
.ucp-page .ucp-cta-btn-secondary:hover { color: var(--ucp-bg); }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 880px) {
  .ucp-page .ucp-levels { grid-template-columns: 1fr; }
  .ucp-page .ucp-pillars { grid-template-columns: 1fr; }
  .ucp-page .ucp-cases { grid-template-columns: 1fr; }
  .ucp-page .ucp-section { padding: 56px 0; }
  .ucp-page .ucp-hero { padding: 64px 0 48px; }
}