/* Mestre Alvito - White-Label Technical Documentation Shell */
:root {
  --color-content: #FFFFFF;
  --color-sidebar: #E7F2F8;
  --color-ink: #0F172A;
  --color-link: #0369A1;
  --color-border: #CBD5E1;
  --color-border-subtle: #E2E8F0;
  --font-ui: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--color-sidebar);
  color: var(--color-ink);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.5;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-sidebar);
}

/* Top Bar */
.docs-header {
  background-color: var(--color-content);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-name,
.brand-link {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.docs-badge {
  background-color: var(--color-sidebar);
  color: var(--color-link);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.45rem;
  border-radius: 3px;
  border: 1px solid var(--color-border);
}

.topbar-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.95rem;
}

.nav-link {
  color: var(--color-link);
  text-decoration: none;
  font-weight: 600;
}

.nav-link:hover {
  text-decoration: underline;
}

.phone-label {
  color: #64748B;
  font-size: 0.85rem;
}

.phone-link {
  color: var(--color-ink);
  text-decoration: none;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
}

.phone-link:hover {
  color: var(--color-link);
}

/* Layout Shell */
.docs-shell {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  flex: 1;
  display: flex;
}

.layout-single {
  max-width: 860px;
  padding: 2rem 1.5rem;
}

.layout-sidebar {
  display: grid;
  grid-template-columns: 280px 1fr;
  background-color: var(--color-sidebar);
}

/* Sidebar TOC */
.docs-toc-pane {
  background-color: var(--color-sidebar);
  border-right: 1px solid var(--color-border);
  padding: 2rem 1.25rem;
}

.toc-sticky-wrapper {
  position: sticky;
  top: 4.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.toc-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.toc-nav {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.toc-link {
  color: var(--color-ink);
  text-decoration: none;
  font-size: 0.92rem;
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  border-left: 2px solid transparent;
  transition: all 0.15s ease;
}

.toc-link:hover {
  background-color: rgba(3, 105, 161, 0.08);
  color: var(--color-link);
}

.toc-link.active {
  border-left-color: var(--color-link);
  background-color: #FFFFFF;
  color: var(--color-link);
  font-weight: 600;
}

.toc-card {
  background-color: var(--color-content);
  border: 1px solid var(--color-border);
  padding: 1rem;
  border-radius: 4px;
}

.toc-card-text {
  font-size: 0.85rem;
  color: var(--color-ink);
  margin-top: 0.4rem;
}

/* Main Content Pane */
.docs-content-pane {
  background-color: var(--color-content);
  padding: 2.5rem 3rem;
  flex: 1;
}

.hero-brief {
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.meta-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-link);
  letter-spacing: 0.05em;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.doc-title {
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--color-ink);
  margin-bottom: 0.4rem;
}

.doc-lead {
  font-size: 1.15rem;
  color: #475569;
}

/* Common Section Styles */
.block-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: #64748B;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 1rem;
  color: #475569;
  margin-bottom: 1.5rem;
}

/* Form Section */
.docs-block-form {
  border: 1px solid var(--color-border);
  padding: 2rem;
  border-radius: 4px;
  background-color: #FAFCFE;
  margin-bottom: 2rem;
}

.work-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.mono-field {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: 0.03em;
}

.input-field {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  color: var(--color-ink);
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-content);
  outline: none;
}

.input-field:focus {
  border-color: var(--color-link);
  box-shadow: 0 0 0 2px rgba(3, 105, 161, 0.15);
}

.select-field {
  appearance: none;
  background-color: var(--color-content);
  cursor: pointer;
}

.textarea-field {
  resize: vertical;
}

.btn-submit {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 1rem;
  background-color: var(--color-link);
  color: #FFFFFF;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.btn-submit:hover {
  background-color: #025380;
}

.form-status {
  font-size: 0.95rem;
  color: var(--color-link);
  font-weight: 600;
  margin-top: 0.5rem;
}

/* Objection Section */
.docs-block-objection {
  border: 1px solid var(--color-border);
  padding: 2rem;
  border-radius: 4px;
  background-color: var(--color-content);
  margin-bottom: 2rem;
}

.objection-box {
  background-color: var(--color-sidebar);
  border-left: 4px solid var(--color-link);
  padding: 1.25rem 1.5rem;
  margin: 1.25rem 0;
}

.objection-query {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.75rem;
}

.objection-response .resp-lead {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-link);
  margin-bottom: 0.25rem;
}

.objection-response .resp-text {
  font-size: 0.98rem;
  color: var(--color-ink);
  margin-bottom: 0.2rem;
}

.doc-next-link {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 1.25rem;
  margin-top: 1.5rem;
}

.action-link {
  color: var(--color-link);
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  margin-top: 0.4rem;
}

.action-link:hover {
  text-decoration: underline;
}

/* Steps Timeline */
.docs-block-steps {
  margin-bottom: 3rem;
}

.steps-timeline {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.step-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 1.25rem;
  background-color: #FAFCFE;
}

.step-indicator {
  background-color: var(--color-sidebar);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  height: fit-content;
  padding: 0.35rem 0.5rem;
  text-align: center;
}

.step-heading {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-ink);
}

.step-text {
  font-size: 0.95rem;
  color: #334155;
  margin-bottom: 0.2rem;
}

/* Bordered Definition Blocks (Knob: services as bordered definition blocks) */
.sub-block-def {
  border: 1px solid var(--color-border);
  padding: 1.75rem;
  border-radius: 4px;
  margin-bottom: 2.5rem;
}

.docs-def-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.def-item {
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 1.25rem;
  background-color: #FFFFFF;
}

.def-term {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.def-desc {
  font-size: 0.95rem;
  color: #334155;
}

.def-meta {
  font-size: 0.92rem;
  color: var(--color-link);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.def-copy {
  color: #475569;
}

/* FAQ of 3 (Knob: FAQ of 3) */
.sub-block-faq {
  border: 1px solid var(--color-border);
  padding: 1.75rem;
  border-radius: 4px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.faq-card {
  background-color: var(--color-sidebar);
  border: 1px solid var(--color-border);
  padding: 1rem;
  border-radius: 4px;
}

.faq-text {
  font-size: 0.92rem;
  color: var(--color-ink);
  margin-top: 0.4rem;
  font-weight: 500;
}

/* Contact Section */
.docs-block-contact {
  border-top: 2px solid var(--color-border);
  padding-top: 2.5rem;
  margin-bottom: 2rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.contact-entry {
  background-color: #FAFCFE;
  border: 1px solid var(--color-border);
  padding: 1.25rem;
  border-radius: 4px;
}

.contact-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-top: 0.35rem;
}

.contact-sub {
  font-size: 0.88rem;
  color: #64748B;
  margin-top: 0.2rem;
}

.contact-notes {
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.contact-statement {
  font-size: 0.95rem;
  color: #334155;
}

/* Privacy Policy (id="privacy") */
.privacy-section {
  background-color: var(--color-sidebar);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  border-radius: 4px;
  margin-top: 2rem;
}

.privacy-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0.35rem 0 0.5rem 0;
  color: var(--color-ink);
}

.privacy-text {
  font-size: 0.9rem;
  color: #334155;
  line-height: 1.6;
}

/* Simple Footer */
.simple-footer {
  background-color: var(--color-content);
  border-top: 1px solid var(--color-border);
  padding: 1.25rem 1.5rem;
  font-size: 0.88rem;
  color: #64748B;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-inner a {
  color: var(--color-link);
  text-decoration: none;
}

.footer-inner a:hover {
  text-decoration: underline;
}

/* Responsive & Knob: TOC collapses to chips on small screens */
@media (max-width: 859px) {
  .layout-sidebar {
    display: flex;
    flex-direction: column;
  }

  .docs-toc-pane {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 1.5rem;
    position: sticky;
    top: 53px;
    z-index: 90;
  }

  .toc-sticky-wrapper {
    position: static;
    gap: 0.75rem;
  }

  .toc-header {
    display: none;
  }

  .toc-nav {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    gap: 0.5rem;
    white-space: nowrap;
    scrollbar-width: thin;
  }

  .toc-link {
    border-left: none;
    border: 1px solid var(--color-border);
    background-color: var(--color-content);
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
    border-radius: 20px;
  }

  .toc-link.active {
    background-color: var(--color-link);
    color: #FFFFFF;
    border-color: var(--color-link);
  }

  .toc-card {
    display: none;
  }

  .docs-content-pane {
    padding: 1.75rem 1.25rem;
  }

  .step-item {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .topbar-links {
    width: 100%;
    justify-content: space-between;
    font-size: 0.85rem;
  }
}