/* ===== Proposta Comercial — Documento Formal ===== */
:root {
  --navy: #1e293b;
  --navy-light: #334155;
  --slate: #64748b;
  --border: #e2e8f0;
  --border-dark: #cbd5e1;
  --bg: #f1f5f9;
  --paper: #ffffff;
  --accent: #2563eb;
  --accent-soft: #eff6ff;
  --accent-dark: #1d4ed8;
  --success: #059669;
  --warning-bg: #fffbeb;
  --warning-border: #f59e0b;
  --sidebar-w: 260px;
  --font: 'Inter', system-ui, sans-serif;
  --font-serif: 'Source Serif 4', Georgia, serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 15px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--navy);
  line-height: 1.6;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--navy);
  color: #e2e8f0;
  display: flex;
  flex-direction: column;
  z-index: 200;
  overflow-y: auto;
}

.sidebar-brand {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand-label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #94a3b8;
  margin-bottom: 4px;
}

.sidebar-brand strong {
  display: block;
  font-size: 0.95rem;
  color: #fff;
  line-height: 1.3;
}

.sidebar-brand small {
  display: block;
  margin-top: 6px;
  font-size: 0.7rem;
  color: #64748b;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
}

.nav-link {
  display: block;
  padding: 9px 20px;
  font-size: 0.82rem;
  color: #94a3b8;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.nav-link:hover {
  color: #e2e8f0;
  background: rgba(255,255,255,0.04);
}

.nav-link.active {
  color: #fff;
  background: rgba(37, 99, 235, 0.15);
  border-left-color: var(--accent);
}

.nav-child {
  padding-left: 32px;
  font-size: 0.78rem;
}

.nav-highlight {
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: #fbbf24;
  font-weight: 600;
}

.nav-highlight.active {
  color: #fde68a;
  border-left-color: #fbbf24;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.btn-print {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 6px;
  color: #e2e8f0;
  font-family: var(--font);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-print:hover { background: rgba(255,255,255,0.14); }

.sidebar-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 300;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* ===== Documento ===== */
.document {
  margin-left: var(--sidebar-w);
  padding: 32px 40px 80px;
  max-width: 900px;
}

.doc-page {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 48px 56px;
  margin-bottom: 32px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  scroll-margin-top: 24px;
}

/* ===== Capa ===== */
.cover-page {
  min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.doc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 32px 56px;
  background: var(--navy);
  color: #e2e8f0;
  font-size: 0.78rem;
}

.doc-header-left,
.doc-header-right {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.doc-type {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #94a3b8;
}

.doc-ref {
  font-weight: 600;
  color: #fff;
}

.doc-header-right { text-align: right; color: #94a3b8; }

.cover-body {
  flex: 1;
  padding: 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.cover-pre {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}

.cover-page h1 {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 16px;
}

.cover-desc {
  font-size: 1rem;
  color: var(--slate);
  max-width: 520px;
  margin-bottom: 48px;
}

.parties-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.party-box {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 24px;
  background: #fafbfc;
}

.party-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate);
  margin-bottom: 8px;
}

.party-box strong {
  display: block;
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 8px;
}

.party-box p {
  font-size: 0.85rem;
  color: var(--slate);
  line-height: 1.5;
}

.doc-footer {
  padding: 16px 56px;
  border-top: 1px solid var(--border);
  font-size: 0.72rem;
  color: var(--slate);
  text-align: center;
}

/* ===== Seções ===== */
.section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--navy);
}

.section-num {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.section-head h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
}

.subsection-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.subsection-head span {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.9rem;
}

.subsection-head h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy);
}

.module-desc {
  color: var(--slate);
  font-size: 0.92rem;
  margin-bottom: 20px;
}

.prose {
  margin-bottom: 28px;
}

.prose p {
  margin-bottom: 14px;
  color: var(--navy-light);
  font-size: 0.95rem;
  text-align: justify;
}

.prose p:first-child { font-weight: 500; }

/* ===== Listas ===== */
.objective-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.objective-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--accent-soft);
  border: 1px solid #dbeafe;
  border-radius: 4px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--navy);
}

.objective-list i {
  color: var(--success);
  font-size: 0.75rem;
}

/* ===== Tabelas ===== */
.info-table-wrap { margin-top: 8px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

caption {
  text-align: left;
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--slate);
  margin-bottom: 8px;
  caption-side: top;
}

.info-table th,
.info-table td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  text-align: left;
}

.info-table th {
  width: 180px;
  background: #f8fafc;
  font-weight: 600;
  color: var(--navy);
}

.info-table td { color: var(--navy-light); }

.scope-banner {
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  background: var(--accent-soft);
  border: 1px solid #bfdbfe;
  border-left: 4px solid var(--accent);
  border-radius: 4px;
  margin-bottom: 24px;
}

.scope-banner i {
  color: var(--accent);
  font-size: 1.2rem;
  margin-top: 2px;
}

.scope-banner strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.scope-banner p {
  font-size: 0.85rem;
  color: var(--slate);
  line-height: 1.5;
}

.scope-summary thead th,
.deliverables-table thead th,
.tech-table thead th,
.payment-table thead th {
  background: var(--navy);
  color: #fff;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 0.82rem;
  text-align: left;
}

.scope-summary td,
.deliverables-table td,
.deliverables-table th,
.tech-table td,
.tech-table th,
.budget-table td,
.budget-table th,
.payment-table td,
.payment-table th {
  padding: 10px 14px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.scope-summary tbody tr:nth-child(even),
.deliverables-table tbody tr:nth-child(even),
.tech-table tbody tr:nth-child(even),
.payment-table tbody tr:nth-child(even) {
  background: #fafbfc;
}

.deliverables-table td:first-child {
  font-weight: 500;
  color: var(--navy);
  width: 35%;
}

.two-tables {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.note-inline {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--warning-bg);
  border: 1px solid #fde68a;
  border-radius: 4px;
  font-size: 0.82rem;
  color: #92400e;
}

.note-inline i { margin-top: 2px; flex-shrink: 0; }

/* ===== Orçamento ===== */
.budget-page {
  border-top: 4px solid var(--accent);
}

.budget-intro {
  margin-bottom: 28px;
  padding: 14px 18px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.budget-intro p {
  font-size: 0.92rem;
  color: var(--slate);
}

.budget-subtitle {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  margin: 28px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.budget-table th {
  width: 200px;
  background: #f8fafc;
  font-weight: 600;
}

.highlight-cell {
  font-size: 1rem;
  color: var(--accent-dark);
}

.price-box {
  text-align: center;
  padding: 32px;
  background: var(--navy);
  color: #fff;
  border-radius: 4px;
  margin-bottom: 8px;
}

.price-label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  margin-bottom: 8px;
}

.price-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
}

.price-note {
  display: block;
  margin-top: 8px;
  font-size: 0.82rem;
  color: #94a3b8;
}

.payment-table .total-row {
  background: var(--accent-soft);
}

.payment-table .total-row td {
  font-weight: 600;
  border-top: 2px solid var(--accent);
}

/* ===== Considerações finais ===== */
.differs-box {
  margin: 28px 0;
  padding: 20px 24px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fafbfc;
}

.differs-box h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--navy);
}

.differs-box ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.differs-box li {
  font-size: 0.88rem;
  color: var(--navy-light);
  padding-left: 16px;
  position: relative;
}

.differs-box li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.closing {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.closing > p {
  font-size: 0.92rem;
  color: var(--slate);
  margin-bottom: 40px;
}

.signature-area {
  max-width: 280px;
}

.signature-line {
  width: 100%;
  height: 1px;
  background: var(--navy);
  margin-bottom: 8px;
}

.signature-area strong {
  display: block;
  font-size: 1rem;
  color: var(--navy);
}

.signature-area span {
  font-size: 0.85rem;
  color: var(--slate);
}

/* ===== Impressão ===== */
@media print {
  .sidebar,
  .sidebar-toggle { display: none !important; }

  body { background: #fff; }

  .document {
    margin: 0;
    padding: 0;
    max-width: 100%;
  }

  .doc-page {
    box-shadow: none;
    border: none;
    page-break-inside: avoid;
    margin-bottom: 0;
    padding: 40px;
  }

  .cover-page { min-height: auto; page-break-after: always; }

  .budget-page { page-break-before: always; }
}

/* ===== Responsivo ===== */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }

  .sidebar.open { transform: translateX(0); }

  .sidebar-toggle { display: flex; align-items: center; justify-content: center; }

  .document {
    margin-left: 0;
    padding: 72px 16px 40px;
  }

  .doc-page { padding: 32px 24px; }

  .doc-header,
  .cover-body,
  .doc-footer { padding-left: 24px; padding-right: 24px; }

  .cover-page h1 { font-size: 1.8rem; }

  .parties-grid,
  .two-tables,
  .objective-list { grid-template-columns: 1fr; }

  .doc-header { flex-direction: column; gap: 12px; }
  .doc-header-right { text-align: left; }

  .price-value { font-size: 2rem; }
}