/* Páginas públicas (landing + documentação) — usa os tokens de static/css/style.css */

.public-body {
  background: var(--color-bg);
}

/* Nav pública */
.public-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.public-brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
  text-decoration: none;
}

.public-brand i {
  color: var(--color-primary);
}

.public-nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}

.public-nav-link:hover {
  color: var(--color-primary);
}

.public-login-btn {
  padding: 0.5rem 1.1rem;
}

/* Hero */
.hero {
  padding: 5rem 0 3.5rem;
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 1.2rem;
  color: var(--color-text);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 2.2rem;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.hero-cta .btn-lg {
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* Demo de chat */
.chat-demo-section {
  padding-bottom: 4rem;
}

.chat-demo {
  max-width: 560px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.chat-demo-header {
  background: #25D366;
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.85rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chat-demo-body {
  padding: 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  background: #e9eef5;
}

.chat-demo-bubble {
  max-width: 85%;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  line-height: 1.45;
}

.chat-demo-bubble.user {
  align-self: flex-end;
  background: var(--color-primary);
  color: #fff;
  border-bottom-right-radius: 0.2rem;
}

.chat-demo-bubble.bot {
  align-self: flex-start;
  background: #fff;
  color: var(--color-text);
  border-bottom-left-radius: 0.2rem;
  box-shadow: var(--shadow-sm);
}

/* Value props */
.value-props {
  padding: 1rem 0 3.5rem;
}

.value-prop {
  text-align: center;
  padding: 1rem;
}

.value-prop i {
  font-size: 1.8rem;
  color: var(--color-primary);
  margin-bottom: 0.7rem;
  display: inline-block;
}

.value-prop h3 {
  font-size: 1rem;
  font-weight: 650;
  margin-bottom: 0.4rem;
}

.value-prop p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

/* Features */
.features {
  padding: 3.5rem 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-title {
  font-size: 1.9rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.section-subtitle a {
  color: var(--color-primary);
  font-weight: 600;
}

.feature-card {
  height: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.02rem;
  font-weight: 650;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
}

/* CTA final */
.final-cta {
  padding: 4.5rem 0;
  text-align: center;
}

.final-cta h2 {
  font-size: 1.8rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}

.final-cta p {
  color: var(--color-text-muted);
  margin-bottom: 1.8rem;
}

/* Footer público */
.public-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.public-footer a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.public-footer a:hover {
  color: var(--color-primary);
}

/* ---------- Documentação ---------- */

.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3rem;
  padding: 2.5rem 0 4rem;
  align-items: start;
}

.docs-toc {
  position: sticky;
  top: 1.5rem;
  font-size: 0.86rem;
}

.docs-toc-title {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-bottom: 0.7rem;
}

.docs-toc a {
  display: block;
  padding: 0.3rem 0;
  color: var(--color-text-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 0.7rem;
}

.docs-toc a:hover {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}

.docs-content h2 {
  font-size: 1.5rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  margin-top: 3rem;
  padding-top: 0.5rem;
  scroll-margin-top: 1.5rem;
}

.docs-content h2:first-child {
  margin-top: 0;
}

.docs-content h2 i {
  color: var(--color-primary);
  margin-right: 0.4rem;
}

.docs-content h3 {
  font-size: 1.08rem;
  font-weight: 650;
  margin-top: 1.8rem;
  margin-bottom: 0.6rem;
}

.docs-content p {
  color: var(--color-text);
  line-height: 1.65;
}

.docs-content ul, .docs-content ol {
  line-height: 1.75;
}

.docs-intro {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 70ch;
}

.docs-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  margin: 1.2rem 0;
}

.docs-card-title {
  font-weight: 650;
  font-size: 0.92rem;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.docs-card-title i {
  color: var(--color-primary);
}

code.docs-code {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.88em;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

.docs-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.88rem;
}

.docs-table th, .docs-table td {
  text-align: left;
  padding: 0.55rem 0.8rem;
  border-bottom: 1px solid var(--color-border);
}

.docs-table th {
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.docs-table code {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.88em;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

@media (max-width: 860px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }
  .docs-toc {
    position: static;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    background: var(--color-surface);
  }
}