/* ==========================================================================
   Bogotá Virtual Ciclas - Design System & Stylesheet
   Version: 1.0.0
   Author: Professional Studio Team
   ========================================================================== */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Color Palette - Dark Theme (Default) */
  --bg-primary: #0B0F19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --bg-glass: rgba(17, 24, 39, 0.65);
  
  --text-main: #F9FAFB;
  --text-muted: #9CA3AF;
  --text-light: #6B7280;
  
  --accent-emerald: #00F5A0;
  --accent-emerald-dark: #059669;
  --accent-emerald-glow: rgba(0, 245, 160, 0.25);
  
  --accent-gold: #FBBF24;
  --accent-gold-glow: rgba(251, 191, 36, 0.25);
  
  --accent-coral: #FF7E5F;
  --accent-coral-glow: rgba(255, 126, 95, 0.25);
  
  --border-color: rgba(255, 255, 255, 0.1);
  --border-focus: #00F5A0;
  
  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --container-max: 1240px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  /* Transitions & Shadows */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px var(--accent-emerald-glow);
}

/* Light Theme Tokens */
[data-theme="light"] {
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.75);
  
  --text-main: #0F172A;
  --text-muted: #475569;
  --text-light: #64748B;
  
  --accent-emerald: #059669;
  --accent-emerald-dark: #047857;
  --accent-emerald-glow: rgba(5, 150, 105, 0.2);
  
  --border-color: rgba(15, 23, 42, 0.12);
  --shadow-card: 0 10px 30px -10px rgba(15, 23, 42, 0.1);
}

/* --- Modern CSS Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* --- Accessibility & Utility Classes --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 20px;
  background: var(--accent-emerald);
  color: #000;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 20px;
}

:focus-visible {
  outline: 3px solid var(--accent-emerald);
  outline-offset: 3px;
}

.container {
  width: 90%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
}

.section-padding {
  padding: 80px 0;
}

@media (min-width: 768px) {
  .section-padding {
    padding: 110px 0;
  }
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-emerald) 0%, #34D399 50%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-coral-gradient {
  background: linear-gradient(135deg, var(--accent-coral) 0%, #FF9E7D 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- Header & Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-smooth);
}

.header-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent-emerald), var(--accent-emerald-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-size: 1.5rem;
  box-shadow: 0 0 15px var(--accent-emerald-glow);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-emerald);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  background: var(--bg-secondary);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--accent-emerald);
}

.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 1.4rem;
  align-items: center;
  justify-content: center;
}

@media (max-width: 992px) {
  .mobile-menu-btn {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 300px;
    height: calc(100vh - var(--header-height));
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px;
    gap: 24px;
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    transition: right var(--transition-smooth);
    border-left: 1px solid var(--border-color);
  }
  
  .nav-menu.is-open {
    right: 0;
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition-smooth);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-emerald), #059669);
  color: #0B0F19;
  box-shadow: 0 4px 20px var(--accent-emerald-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 245, 160, 0.4);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-emerald);
  transform: translateY(-2px);
}

.btn-coral {
  background: linear-gradient(135deg, var(--accent-coral), #E05236);
  color: #FFFFFF;
  box-shadow: 0 4px 20px var(--accent-coral-glow);
}

.btn-coral:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 126, 95, 0.4);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

/* --- Hero Section --- */
.hero {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-emerald-glow) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(0, 245, 160, 0.1);
  border: 1px solid rgba(0, 245, 160, 0.3);
  color: var(--accent-emerald);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.8rem;
  }
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-emerald);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-image-wrapper {
  position: relative;
}

.hero-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-color);
  object-fit: cover;
}

.floating-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 16px;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px auto;
}

.section-tag {
  color: var(--accent-emerald);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.8rem;
  }
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* --- Cards & Grids --- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .card-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .card-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 245, 160, 0.4);
  box-shadow: var(--shadow-card);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(0, 245, 160, 0.1);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

/* --- Bike Fleet & Rental Calculator --- */
.bike-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.bike-img-wrapper {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: #000;
}

.bike-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.bike-card:hover .bike-img {
  transform: scale(1.05);
}

.bike-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-emerald);
}

.bike-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.bike-price {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-emerald);
  margin-bottom: 16px;
}

.bike-price span {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 400;
}

.bike-specs {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Calculator Tool Box --- */
.calculator-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

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

@media (min-width: 768px) {
  .calc-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
}

.form-input, .form-select {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-main);
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-select:focus {
  border-color: var(--accent-emerald);
  outline: none;
}

.calc-result-box {
  background: linear-gradient(135deg, rgba(0,245,160,0.1), rgba(17,24,39,0.8));
  border: 1px solid rgba(0,245,160,0.3);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.total-amount {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent-emerald);
  margin: 12px 0;
}

/* --- Sucursal Helados Bogotá Showcase --- */
.helados-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(255,126,95,0.05) 50%, var(--bg-primary) 100%);
  position: relative;
}

.helados-banner {
  background: var(--bg-card);
  border: 1px solid rgba(255, 126, 95, 0.3);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 992px) {
  .helados-banner {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.helados-tag {
  background: rgba(255, 126, 95, 0.15);
  color: var(--accent-coral);
  border: 1px solid rgba(255, 126, 95, 0.4);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.85rem;
  display: inline-block;
  margin-bottom: 20px;
}

.flavors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.flavor-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  transition: transform var(--transition-fast);
}

.flavor-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-coral);
}

.flavor-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.flavor-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 6px;
}

/* --- FAQ Accordion --- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.is-active {
  border-color: var(--accent-emerald);
}

.faq-button {
  width: 100%;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  text-align: left;
  color: var(--text-main);
}

.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-smooth);
}

.faq-item.is-active .faq-icon {
  transform: rotate(180deg);
  background: var(--accent-emerald);
  color: #000;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-smooth);
  padding: 0 24px;
  color: var(--text-muted);
}

.faq-item.is-active .faq-content {
  max-height: 300px;
  padding: 0 24px 24px 24px;
}

/* --- Footer --- */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding-top: 80px;
  padding-bottom: 40px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 16px;
  margin-bottom: 24px;
}

.footer-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-emerald);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-light);
}

/* --- Toast Feedback --- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--accent-emerald);
  color: var(--text-main);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideIn {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}