/* ===== ALGORITMICA DESIGN SYSTEM — LIGHT THEME ===== */
:root {
  /* Cores Primárias Algoritmica */
  --alg-black: #000000;
  --alg-dark: #1a1a1a;
  --alg-gray-900: #32373c;
  --alg-gray-700: #4a4a4a;
  --alg-gray-600: #555555;
  --alg-gray-500: #6b6b6b;
  --alg-gray-400: #888888;
  --alg-gray-300: #abb8c3;
  --alg-gray-200: #d4d4d4;
  --alg-gray-100: #f0f0f0;
  --alg-gray-50: #f7f7f8;
  --alg-white: #ffffff;

  /* Cores de Acento Algoritmica */
  --alg-blue: #0693e3;
  --alg-purple: #9b51e0;
  --alg-orange: #ff931e;
  --alg-green: #00d084;
  --alg-red: #cf2e2e;
  --alg-brand-orange: #ff931e;

  /* Cores Funcionais */
  --alg-success: #00d084;
  --alg-danger: #cf2e2e;
  --alg-warning: #ff931e;
  --alg-info: #0693e3;

  /* Gráficos */
  --chart-1: #0693e3;
  --chart-2: #9b51e0;
  --chart-3: #ff931e;
  --chart-4: #00d084;
  --chart-5: #cf2e2e;

  /* Tipografia */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', sans-serif;

  /* Espaçamentos */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows — light theme */
  --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-hover: 0 4px 16px rgba(255,147,30,0.12), 0 8px 32px rgba(0,0,0,0.06);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background: var(--alg-white);
  color: var(--alg-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--alg-gray-200);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 44px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav-links a {
  color: var(--alg-gray-500);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--alg-brand-orange);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--alg-black);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== SECTIONS ===== */
.section {
  padding: var(--space-4xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--alg-blue);
  margin-bottom: var(--space-md);
}

.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--alg-blue);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
  color: var(--alg-black);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--alg-gray-500);
  max-width: 600px;
  line-height: 1.7;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: var(--space-4xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  top: 20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6,147,227,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(6,147,227,0.08);
  border: 1px solid rgba(6,147,227,0.2);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--alg-blue);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
  color: var(--alg-black);
}

.hero-title .accent {
  color: var(--alg-blue);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--alg-gray-500);
  max-width: 550px;
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

.hero-meta {
  display: flex;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.hero-meta-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--alg-black);
}

.hero-meta-label {
  font-size: 0.75rem;
  color: var(--alg-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== KPI CARDS ===== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.kpi-card {
  background: var(--alg-white);
  border: 1px solid var(--alg-gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--alg-brand-orange);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.kpi-card:hover {
  border-color: rgba(255,147,30,0.3);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.kpi-card:hover::before {
  transform: scaleX(1);
}

.kpi-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--alg-gray-500);
  margin-bottom: var(--space-sm);
}

.kpi-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--alg-black);
  margin-bottom: var(--space-xs);
}

.kpi-change {
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.kpi-change.positive { color: var(--alg-success); }
.kpi-change.negative { color: var(--alg-danger); }
.kpi-change.neutral { color: var(--alg-warning); }

/* ===== CHART CONTAINERS ===== */
.chart-section {
  margin-top: var(--space-2xl);
}

.chart-container {
  background: var(--alg-white);
  border: 1px solid var(--alg-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.chart-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.chart-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--alg-black);
}

.chart-description {
  font-size: 0.85rem;
  color: var(--alg-gray-500);
  margin-top: var(--space-xs);
  max-width: 500px;
}

.chart-wrapper {
  position: relative;
  width: 100%;
  height: 320px;
}

.chart-wrapper canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ===== INSIGHT BOX ===== */
.insight-box {
  background: rgba(6,147,227,0.05);
  border-left: 3px solid var(--alg-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-md) var(--space-lg);
  margin-top: var(--space-lg);
}

.insight-box.warning {
  background: rgba(255,147,30,0.05);
  border-left-color: var(--alg-warning);
}

.insight-box.success {
  background: rgba(0,208,132,0.05);
  border-left-color: var(--alg-success);
}

.insight-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--alg-blue);
  margin-bottom: var(--space-xs);
}

.insight-box.warning .insight-label { color: var(--alg-warning); }
.insight-box.success .insight-label { color: var(--alg-success); }

.insight-text {
  font-size: 0.9rem;
  color: var(--alg-gray-700);
  line-height: 1.6;
}

/* ===== GRID LAYOUTS ===== */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* ===== TABLE ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-md);
}

.data-table th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--alg-gray-500);
  padding: var(--space-md);
  border-bottom: 2px solid var(--alg-gray-200);
}

.data-table td {
  padding: var(--space-md);
  font-size: 0.9rem;
  color: var(--alg-gray-700);
  border-bottom: 1px solid var(--alg-gray-100);
}

.data-table tr:hover td {
  background: rgba(255,147,30,0.04);
}

.data-table .rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--alg-blue);
  color: white;
  font-weight: 700;
  font-size: 0.75rem;
}

.data-table .rank.gold { background: #e6a817; color: white; }
.data-table .rank.silver { background: var(--alg-gray-400); color: white; }
.data-table .rank.bronze { background: var(--alg-orange); color: white; }

/* ===== DIAGNOSTIC CARDS ===== */
.diag-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.diag-card {
  background: var(--alg-white);
  border: 1px solid var(--alg-gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}

.diag-card.positive { border-top: 3px solid var(--alg-success); }
.diag-card.attention { border-top: 3px solid var(--alg-warning); }

.diag-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--alg-black);
}

.diag-list {
  list-style: none;
}

.diag-list li {
  padding: var(--space-sm) 0;
  font-size: 0.85rem;
  color: var(--alg-gray-700);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  line-height: 1.5;
}

.diag-list li::before {
  content: '\2192';
  color: var(--alg-blue);
  font-weight: 700;
  flex-shrink: 0;
}

.diag-card.attention .diag-list li::before {
  color: var(--alg-warning);
}

/* ===== RECOMMENDATION CARDS ===== */
.rec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.rec-card {
  background: var(--alg-white);
  border: 1px solid var(--alg-gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: all 0.3s ease;
}

.rec-card:hover {
  border-color: rgba(255,147,30,0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.rec-priority {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.rec-priority.alta {
  background: rgba(207,46,46,0.1);
  color: var(--alg-danger);
}

.rec-priority.media {
  background: rgba(255,147,30,0.1);
  color: var(--alg-warning);
}

.rec-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--alg-black);
}

.rec-text {
  font-size: 0.85rem;
  color: var(--alg-gray-500);
  line-height: 1.6;
}

/* ===== CONCLUSION ===== */
.conclusion-box {
  background: linear-gradient(135deg, rgba(6,147,227,0.05) 0%, rgba(155,81,224,0.05) 100%);
  border: 1px solid rgba(6,147,227,0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  margin-top: var(--space-xl);
}

.conclusion-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--alg-gray-700);
  margin-bottom: var(--space-xl);
}

.next-steps {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.next-steps li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--alg-gray-700);
  padding: var(--space-md);
  background: var(--alg-gray-50);
  border-radius: var(--radius-sm);
}

.next-steps li .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--alg-blue);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== FOOTER ===== */
.footer {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  border-top: 1px solid var(--alg-gray-200);
  margin-top: var(--space-4xl);
}

.footer-logo {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.footer-logo-img {
  height: 40px;
  width: auto;
}

.footer-text {
  font-size: 0.8rem;
  color: var(--alg-gray-500);
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.count-up {
  display: inline-block;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--alg-gray-200);
  }
  .nav-toggle { display: block; }

  .section { padding: var(--space-2xl) var(--space-md); }
  .hero { padding: var(--space-3xl) var(--space-md); min-height: 90vh; }

  .hero-title { font-size: clamp(2.2rem, 10vw, 3.5rem); }

  .hero-meta { gap: var(--space-lg); }
  .hero-meta-value { font-size: 1.4rem; }

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

  .grid-2,
  .diag-grid { grid-template-columns: 1fr; }

  .grid-3 { grid-template-columns: 1fr; }

  .chart-wrapper { height: 250px; }

  .data-table { font-size: 0.8rem; }
  .data-table th,
  .data-table td { padding: var(--space-sm) var(--space-xs); }

  .next-steps { grid-template-columns: 1fr; }

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

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .hero-meta { flex-direction: column; gap: var(--space-md); }
  .chart-wrapper { height: 200px; }
  .conclusion-box { padding: var(--space-lg); }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--alg-gray-50); }
::-webkit-scrollbar-thumb {
  background: var(--alg-gray-300);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--alg-gray-400); }

/* ===== EXPORT BUTTON ===== */
.btn-export {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 18px;
  background: var(--alg-gray-900);
  color: var(--alg-white);
  border: none;
  border-radius: 100px;
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
}

.btn-export:hover {
  background: var(--alg-black);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  transform: translateY(-1px);
}

.btn-export svg {
  flex-shrink: 0;
}

/* ===== PRINT / PDF STYLES ===== */
@media print {
  /* Reset for print */
  * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }

  body {
    background: var(--alg-white) !important;
    color: var(--alg-dark) !important;
    font-size: 10pt;
  }

  /* Hide interactive elements */
  .nav,
  .btn-export,
  .nav-toggle {
    display: none !important;
  }

  /* Remove animations */
  .fade-in {
    opacity: 1 !important;
    transform: none !important;
  }

  /* Page setup */
  @page {
    size: A4 landscape;
    margin: 15mm;
  }

  /* Sections */
  .hero {
    min-height: auto;
    padding: 40px 0;
    page-break-after: always;
  }

  .section {
    padding: 30px 0;
    page-break-inside: avoid;
    page-break-after: auto;
  }

  /* Force page breaks before major sections */
  #kpis { page-break-before: always; }
  #campanhas { page-break-before: always; }
  #anuncios { page-break-before: always; }
  #posicionamentos { page-break-before: always; }
  #diagnostico { page-break-before: always; }
  #recomendacoes { page-break-before: always; }

  /* Keep containers together */
  .chart-container { page-break-inside: avoid; }
  .kpi-grid { page-break-inside: avoid; }
  .diag-grid { page-break-inside: avoid; }
  .rec-grid { page-break-inside: avoid; }
  .conclusion-box { page-break-inside: avoid; }

  /* Charts */
  .chart-wrapper { height: 250px !important; }

  /* Grids */
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    page-break-inside: avoid;
  }

  /* Tables */
  .data-table { page-break-inside: avoid; }

  /* Insight boxes */
  .insight-box { page-break-inside: avoid; }

  /* Footer */
  .footer {
    page-break-before: always;
    margin-top: 20px;
  }

  /* Hero adjustments */
  .hero::after { display: none; }
  .hero-title { font-size: 3rem; }
  .section-title { font-size: 1.8rem; }

  /* Links */
  a { color: var(--alg-blue) !important; text-decoration: none; }
}