/* QC Hub landing page — warm humanist style.
   All selectors are prefixed with .landing- so they cannot leak into the app. */

.landing {
  background: #faf9f7;
  color: #1a1a1a;
  font-family: -apple-system, "SF Pro Display", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

.landing a {
  color: #1a5b3f;
  text-decoration: none;
}

.landing a:hover {
  text-decoration: underline;
}

.landing-banner {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 32px;
  font-size: 15px;
}

.landing-banner--success {
  background: #e8f1ea;
  color: #1a5b3f;
}

.landing-banner--error {
  background: #fbeaea;
  color: #7a2222;
}

.landing-hero {
  padding: 32px 0 56px;
}

.landing-tag {
  display: inline-block;
  padding: 4px 12px;
  background: #f0ebe0;
  color: #7a5b1f;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
}

.landing-hero-title {
  font-size: 44px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 18px;
}

.landing-hero-sub {
  font-size: 19px;
  color: #4a4a4a;
  margin: 0 0 32px;
}

.landing-form {
  display: flex;
  gap: 8px;
  max-width: 420px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.landing-input {
  flex: 1;
  min-width: 220px;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 15px;
  color: #1a1a1a;
  background: #ffffff;
  border: 1px solid #d6d2c8;
  border-radius: 8px;
}

.landing-input:focus {
  outline: 2px solid #1a5b3f;
  outline-offset: 1px;
}

.landing-button {
  padding: 12px 20px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  color: #ffffff;
  background: #1a5b3f;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.landing-button:hover {
  background: #12452f;
}

.landing-hero-secondary {
  margin: 0;
  font-size: 14px;
  color: #666;
}

.landing-section {
  padding: 48px 0;
  border-top: 1px solid #ece7dc;
}

.landing-section-title {
  font-size: 26px;
  font-weight: 600;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}

.landing-section-lede {
  font-size: 17px;
  color: #4a4a4a;
  margin: 0 0 28px;
}

.landing-diagram {
  margin-bottom: 36px;
}

.landing-diagram:last-child {
  margin-bottom: 0;
}

.landing-diagram-title {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 8px;
}

.landing-diagram .mermaid {
  margin-top: 14px;
  background: #ffffff;
  border: 1px solid #ece7dc;
  border-radius: 12px;
  padding: 16px;
  overflow-x: auto;
}

.landing-callout {
  background: #f4efe3;
  border-radius: 12px;
  padding: 32px 28px;
  border: none;
  margin: 24px 0;
}

.landing-callout .landing-section-title {
  margin-bottom: 12px;
}

.landing-principles {
  list-style: none;
  padding: 0;
  margin: 0;
}

.landing-principles li {
  padding: 12px 0;
  border-top: 1px solid #ece7dc;
}

.landing-principles li:first-child {
  border-top: none;
}

.landing-cta {
  background: #ffffff;
  border-radius: 12px;
  padding: 32px 28px;
  border: 1px solid #ece7dc;
  margin-top: 24px;
}

.landing-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid #ece7dc;
  font-size: 14px;
  color: #666;
  text-align: center;
}

.landing-footer-dot {
  margin: 0 6px;
}

@media (max-width: 640px) {
  .landing {
    padding: 40px 18px 72px;
  }

  .landing-hero-title {
    font-size: 32px;
  }

  .landing-hero-sub {
    font-size: 17px;
  }
}