/* Transporte Colaborativo Urbano - Global Styles */
/* Fonts: Outfit (headings), Inter (body), Roboto Mono (labels) */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&family=Roboto+Mono:wght@400;500;600&display=swap');

/* CSS Variables - Color Palette */
:root {
  --color-primary-blue: #1E88E5;
  --color-primary-green: #43A047;
  --color-accent-orange: #FF6F00;
  --color-urban-grey: #616161;
  --color-white: #FFFFFF;
  --color-light-grey: #F5F5F5;
  --color-dark-grey: #424242;
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Roboto Mono', monospace;
  
  --size-title: 45px;
  --size-body: 17px;
  --size-caption: 14px;
  --line-height: 1.77;
  
  /* Layout */
  --width-wide: 1200px;
  --width-medium: 920px;
  --width-compact: 720px;
  --hero-height: 87vh;
  
  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 60px;
  --spacing-xxl: 80px;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: var(--line-height);
  color: var(--color-dark-grey);
  background-color: var(--color-white);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark-grey);
}

h1 {
  font-size: var(--size-title);
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: 38px;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: 28px;
  margin-bottom: var(--spacing-sm);
}

h4 {
  font-size: 22px;
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--color-primary-blue);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-accent-orange);
}

/* Layout Containers */
.container {
  max-width: var(--width-wide);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: var(--width-wide);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-medium {
  max-width: var(--width-medium);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-compact {
  max-width: var(--width-compact);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header Navigation */
.main-header {
  background: linear-gradient(135deg, var(--color-primary-blue) 0%, var(--color-primary-green) 100%);
  padding: var(--spacing-sm) 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--width-wide);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-text {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  text-decoration: none;
}

.logo-icon {
  font-size: 32px;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.main-nav a {
  color: var(--color-white);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 8px;
  transition: background 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(255, 255, 255, 0.2);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 28px;
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  height: var(--hero-height);
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-blue) 0%, var(--color-primary-green) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--color-white);
  max-width: 900px;
  padding: 0 var(--spacing-md);
}

.hero-title {
  font-size: 62px;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: 24px;
  margin-bottom: var(--spacing-lg);
  color: var(--color-white);
  opacity: 0.95;
}

.hero-cta {
  display: inline-block;
  background: var(--color-accent-orange);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 50px;
  font-weight: 600;
  font-size: 18px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 111, 0, 0.4);
  color: var(--color-white);
}

/* Section Styles */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary-blue), var(--color-primary-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--color-urban-grey);
  margin-bottom: var(--spacing-xl);
  font-size: 20px;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-md);
}

/* Cards */
.card {
  background: var(--color-white);
  border-radius: 16px;
  padding: var(--spacing-lg);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.card-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-primary-blue), var(--color-primary-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.card-title {
  font-size: 22px;
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark-grey);
}

.card-text {
  color: var(--color-urban-grey);
  line-height: var(--line-height);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: var(--size-body);
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-blue), var(--color-primary-green));
  color: var(--color-white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 136, 229, 0.4);
  color: var(--color-white);
}

.btn-secondary {
  background: var(--color-accent-orange);
  color: var(--color-white);
}

.btn-secondary:hover {
  background: #E65100;
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary-blue);
  color: var(--color-primary-blue);
}

.btn-outline:hover {
  background: var(--color-primary-blue);
  color: var(--color-white);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: var(--size-caption);
  text-transform: uppercase;
  color: var(--color-urban-grey);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #E0E0E0;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: var(--size-body);
  transition: border-color 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-blue);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
}

.form-checkbox input {
  margin-top: 4px;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.data-table thead {
  background: linear-gradient(135deg, var(--color-primary-blue), var(--color-primary-green));
  color: var(--color-white);
}

.data-table th,
.data-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
}

.data-table th {
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}

.data-table th:hover {
  background: rgba(255, 255, 255, 0.1);
}

.data-table tbody tr {
  border-bottom: 1px solid #E0E0E0;
  transition: background 0.2s ease;
}

.data-table tbody tr:hover {
  background: var(--color-light-grey);
}

/* Tabs */
.tabs-container {
  margin: var(--spacing-lg) 0;
}

.tabs-nav {
  display: flex;
  gap: var(--spacing-xs);
  border-bottom: 2px solid #E0E0E0;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.tab-button {
  padding: 12px 24px;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  font-family: var(--font-body);
  font-size: var(--size-body);
  font-weight: 500;
  color: var(--color-urban-grey);
  cursor: pointer;
  transition: all 0.3s ease;
}

.tab-button:hover {
  color: var(--color-primary-blue);
}

.tab-button.active {
  color: var(--color-primary-blue);
  border-bottom-color: var(--color-primary-blue);
  font-weight: 600;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

/* Stats Dashboard */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.stat-card {
  background: linear-gradient(135deg, var(--color-primary-blue), var(--color-primary-green));
  color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: 16px;
  text-align: center;
}

.stat-number {
  font-size: 48px;
  font-weight: 700;
  font-family: var(--font-heading);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--size-body);
  opacity: 0.9;
}

/* Footer */
.main-footer {
  background: var(--color-dark-grey);
  color: var(--color-white);
  padding: var(--spacing-xxl) 0 var(--spacing-lg) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  max-width: var(--width-wide);
  margin: 0 auto var(--spacing-lg) auto;
  padding: 0 var(--spacing-md);
}

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-section a:hover {
  color: var(--color-white);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--size-caption);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-dark-grey);
  color: var(--color-white);
  padding: var(--spacing-md);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
  z-index: 9999;
  display: none;
}

.cookie-banner.show {
  display: block;
  animation: slideUp 0.5s ease;
}

.cookie-content {
  max-width: var(--width-wide);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  min-width: 300px;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.cookie-btn {
  padding: 10px 24px;
  border-radius: 50px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-body);
}

.cookie-accept {
  background: var(--color-primary-green);
  color: var(--color-white);
}

.cookie-accept:hover {
  background: #388E3C;
}

.cookie-decline {
  background: transparent;
  border: 2px solid var(--color-white);
  color: var(--color-white);
}

.cookie-decline:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --size-title: 38px;
  }
  
  .grid-5 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --size-title: 32px;
    --size-body: 16px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 60px;
  }
  
  .hero-title {
    font-size: 40px;
  }
  
  .hero-subtitle {
    font-size: 20px;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-dark-grey);
    padding: var(--spacing-md);
    display: none;
  }
  
  .main-nav.active {
    display: block;
  }
  
  .main-nav ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5 {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-buttons {
    width: 100%;
    flex-direction: column;
  }
  
  .cookie-btn {
    width: 100%;
  }
  
  .tabs-nav {
    overflow-x: auto;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 32px;
  }
  
  .stat-number {
    font-size: 36px;
  }
  
  h2 {
    font-size: 28px;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary-blue), var(--color-primary-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }