/* 
 * main.css - Core styles for Cosmo Travels & Tours
 * Main stylesheet for common elements and global styles
 */

/* =============================================
 * GLOBAL COLOR VARIABLES & THEME COLORS
 * ============================================= */

 :root {
  /* Primary Brand Colors */
  --primary-color: #2193b0;
  --secondary-color: #6dd5ed;
  
  /* Accent Colors */
  --accent-gold: #f8b400;
  --accent-gold-rgb: 248, 180, 0;
  --accent-coral: #ff6b6b;
  --accent-teal: #38b2ac;
  
  /* Dark Theme (Default) Colors */
  --dark-color: #121212;
  --dark-secondary: #1a1a1a;
  --dark-tertiary: #262626;
  --dark-border: #333333;
  --dark-text-primary: #ffffff;
  --dark-text-secondary: #cccccc;
  --dark-text-muted: #aaaaaa;
  
  /* Light Theme Colors */
  --light-color: #f8f9fa;
  --light-secondary: #ffffff;
  --light-tertiary: #e9ecef;
  --light-border: #dee2e6;
  --light-text-primary: #212529;
  --light-text-secondary: #495057;
  --light-text-muted: #6c757d;
  
  /* Functional Colors */
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  
  /* Common Gradients */
  --primary-gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --gold-gradient: linear-gradient(135deg, var(--accent-gold), #FFA500);
}

/* =============================================
 * GLOBAL STYLES 
 * ============================================= */

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Compensate for fixed header */
}

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--dark-text-primary);
  background-color: var(--dark-color);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  line-height: 1.3;
}

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

a:hover {
  color: var(--accent-gold);
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* =============================================
 * BUTTON STYLES
 * ============================================= */

.btn {
  padding: 0.7rem 1.8rem;
  border-radius: 50px;
  transition: all 0.3s ease;
  font-weight: 600;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--dark-text-primary);
}

.btn-primary:hover {
  background-color: transparent;
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(33, 147, 176, 0.3);
}

.btn-warning {
  background-color: var(--accent-gold);
  border-color: var(--accent-gold);
  color: var(--dark-color);
}

.btn-warning:hover {
  background-color: transparent;
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(248, 180, 0, 0.3);
}

.btn-success {
  background-color: var(--success-color);
  border-color: var(--success-color);
}

.btn-success:hover {
  background-color: transparent;
  border-color: var(--success-color);
  color: var(--success-color);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(40, 167, 69, 0.3);
}

.btn-outline-primary {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: var(--dark-text-primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(33, 147, 176, 0.3);
}

/* Book Now Button - Special Style */
.btn-book-now {
  display: inline-block;
  background: linear-gradient(-45deg, var(--accent-gold), #FFA500, #FF4500, #FF8C00);
  background-size: 300% 300%;
  border: none;
  color: var(--dark-text-primary) !important; /* Force white text */
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  position: relative;
  overflow: hidden;
  z-index: 1;
  box-shadow: 0 5px 15px rgba(255, 69, 0, 0.5);
  animation: gradientShift 4s ease infinite, pulse 2s infinite alternate;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  isolation: isolate;
}

.btn-book-now:hover {
  transform: translateY(-3px) scale(1.05);
  animation: gradientShift 3s ease infinite, pulseHover 1s infinite alternate;
  color: var(--dark-text-primary) !important;
  text-decoration: none;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes pulse {
  0% { box-shadow: 0 5px 15px rgba(255, 69, 0, 0.5); }
  100% { box-shadow: 0 5px 30px rgba(255, 69, 0, 0.8), 0 0 20px rgba(255, 165, 0, 0.6); }
}

@keyframes pulseHover {
  0% { box-shadow: 0 7px 20px rgba(255, 69, 0, 0.6); }
  100% { box-shadow: 0 7px 30px rgba(255, 69, 0, 0.9), 0 0 25px rgba(255, 140, 0, 0.7); }
}

/* =============================================
 * LAYOUT & SECTIONS
 * ============================================= */

.section {
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}

.section:not(:last-child) {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
  color: var(--dark-text-primary);
}

.section-title:after {
  content: '';
  position: absolute;
  width: 70px;
  height: 3px;
  background-color: var(--primary-color);
  bottom: -12px;
  left: 0;
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--dark-text-muted);
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.card {
  background-color: var(--dark-secondary);
  border: none;
  border-radius: 10px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.card-img-top {
  height: 200px;
  object-fit: cover;
}

/* =============================================
 * HEADER & NAVBAR
 * ============================================= */

/* Top Bar */
.top-bar {
  font-size: 0.9rem;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-contact span {
  display: inline-block;
  margin-right: 15px;
}

.top-bar-contact i {
  margin-right: 5px;
  color: var(--accent-gold);
}

/* Navbar */
.navbar {
  padding: 0.5rem 1rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.bg-primary-gradient {
  background: var(--primary-gradient);
}

.navbar-brand img {
  height: 50px;
  transition: all 0.3s ease;
}

.navbar-nav {
  margin-left: auto;
}

.nav-item {
  position: relative;
  margin: 0 5px;
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.8);
  padding: 0.8rem 1rem !important;
  font-weight: 600;
  transition: all 0.3s ease;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
  color: var(--accent-gold);
}

/* Dropdown Menu */
.dropdown-menu {
  background-color: var(--dark-color);
  border: none;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  padding: 0.5rem 0;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}

.dropdown-menu:before {
  content: '';
  position: absolute;
  top: -10px;
  left: 20px;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-bottom: 10px solid var(--dark-color);
}

.dropdown-item {
  color: rgba(255, 255, 255, 0.8);
  padding: 0.7rem 1.5rem;
  font-weight: 400;
  transition: all 0.3s ease;
}

.dropdown-item:hover {
  background-color: rgba(33, 147, 176, 0.1);
  color: var(--accent-gold);
}

.dropdown-divider {
  margin: 0.5rem 0;
  opacity: 0.2;
  border-top-color: var(--dark-border);
}

/* Navbar Toggler */
.navbar-toggler {
  border: none;
  padding: 0.5rem;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* =============================================
 * FOOTER
 * ============================================= */

.footer {
  background-color: #0d0d0d;
  padding: 60px 0 0;
  color: var(--dark-text-secondary);
}

.footer h5 {
  color: var(--dark-text-primary);
  margin-bottom: 1.2rem;
  font-weight: 600;
}

.footer p, .footer a {
  color: var(--dark-text-muted);
  transition: all 0.3s ease;
}

.footer a:hover {
  color: var(--accent-gold);
  text-decoration: none;
}

.footer-bar {
  background-color: #070707;
  margin-top: 2rem;
}

/* Footer link specific styles */
.footer-link {
  color: var(--dark-text-muted);
  transition: all 0.3s ease;
}

.footer-link:hover {
  color: var(--accent-gold) !important;
  text-decoration: none;
}

/* WhatsApp Button */
.whatsapp-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  border-radius: 50%;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.whatsapp-btn img {
  height: 60px;
  width: auto;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25), 0 0 15px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn:active {
  transform: scale(0.95);
}

/* =============================================
 * FORM ELEMENTS
 * ============================================= */

.form-control, .form-select {
  background-color: var(--dark-tertiary);
  border-color: var(--dark-border);
  color: var(--dark-text-primary);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
  background-color: var(--dark-tertiary);
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(33, 147, 176, 0.25);
  color: var(--dark-text-primary);
}

.form-control::placeholder {
  color: #777;
}

.form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
  background-size: 16px 12px;
}

.form-select option {
  background-color: var(--dark-tertiary);
  color: var(--dark-text-primary);
}

.invalid-feedback {
  font-size: 0.85rem;
}

/* =============================================
 * UTILITY CLASSES
 * ============================================= */

/* Loading Overlay */
#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--dark-color) 0%, #1a1a2e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.spinner {
  width: 3rem;
  height: 3rem;
  border: 0.25rem solid rgba(255, 255, 255, 0.1);
  border-top: 0.25rem solid var(--accent-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
  box-shadow: 0 0 20px rgba(248, 180, 0, 0.3);
}

.loading-text {
  color: var(--dark-text-muted);
  font-weight: 600;
  letter-spacing: 1px;
  animation: pulse 1.5s infinite;
  font-family: 'Raleway', sans-serif;
  font-size: 0.9rem;
  text-transform: uppercase;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 10px;
  background: var(--accent-gold);
  color: var(--dark-color);
  padding: 10px 15px;
  border-radius: 5px;
  z-index: 10000;
  transition: top 0.3s ease;
  font-weight: 600;
}

.skip-link:focus {
  top: 10px;
  box-shadow: 0 0 0 3px rgba(var(--accent-gold-rgb), 0.5);
}

/* Error Message Styling */
#error-message {
  z-index: 9999;
  background-color: rgba(220, 53, 69, 0.95);
  backdrop-filter: blur(5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

#error-message button {
  transition: all 0.3s ease;
}

#error-message button:hover {
  background-color: white;
  color: var(--danger-color);
  transform: translateY(-2px);
}

/* =============================================
 * LIGHT THEME STYLES
 * ============================================= */

body.light-theme {
  background-color: var(--light-color);
  color: var(--light-text-primary);
}

body.light-theme .section:not(:last-child) {
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

body.light-theme .card {
  background-color: var(--light-secondary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

body.light-theme .footer {
  background-color: #f0f0f0;
  color: var(--light-text-secondary);
}

body.light-theme .footer h5 {
  color: var(--light-text-primary);
}

body.light-theme .footer p, 
body.light-theme .footer a,
body.light-theme .footer-link {
  color: var(--light-text-muted);
}

body.light-theme .footer-bar {
  background-color: #e0e0e0;
  color: var(--light-text-secondary);
}

body.light-theme .form-control,
body.light-theme .form-select {
  background-color: var(--light-secondary);
  border-color: var(--light-border);
  color: var(--light-text-primary);
}

body.light-theme .form-control:focus,
body.light-theme .form-select:focus {
  background-color: var(--light-secondary);
  color: var(--light-text-primary);
}

body.light-theme .form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23333333' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
}

body.light-theme .form-select option {
  background-color: var(--light-secondary);
  color: var(--light-text-primary);
}

body.light-theme .navbar-dark .navbar-nav .nav-link {
  color: rgba(0, 0, 0, 0.7);
}

body.light-theme .navbar-dark .navbar-nav .nav-link:hover,
body.light-theme .navbar-dark .navbar-nav .nav-link.active {
  color: var(--primary-color);
}

body.light-theme .dropdown-menu {
  background-color: var(--light-secondary);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

body.light-theme .dropdown-menu:before {
  border-bottom-color: var(--light-secondary);
}

body.light-theme .dropdown-item {
  color: var(--light-text-primary);
}

body.light-theme .dropdown-divider {
  border-top-color: var(--light-border);
}

body.light-theme #loading-overlay {
  background: linear-gradient(180deg, var(--light-color) 0%, var(--light-tertiary) 50%, var(--light-color) 100%);
}

body.light-theme .spinner {
  border-color: rgba(0, 0, 0, 0.1);
  border-top-color: var(--accent-gold);
}

body.light-theme .loading-text {
  color: var(--light-text-secondary);
}

/* Animation for progress bar */
#loading-progress-bar {
  background: linear-gradient(90deg, var(--primary-color), var(--accent-gold));
  border-radius: 5px;
  transition: width 0.3s ease;
  height: 5px;
}
/* =============================================
 * UTILITY CLASSES - LOADING ANIMATION
 * ============================================= */

/* Loading Overlay */
#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--dark-color) 0%, #1a1a2e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.spinner {
  width: 4rem;
  height: 4rem;
  border: 0.3rem solid rgba(255, 255, 255, 0.1);
  border-top: 0.3rem solid var(--accent-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  box-shadow: 0 0 20px rgba(248, 180, 0, 0.3);
}

/* Hide loading text to have a simple spinner only */
.loading-text {
  display: none;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Light theme version of the loading overlay */
body.light-theme #loading-overlay {
  background: linear-gradient(180deg, var(--light-color) 0%, var(--light-tertiary) 50%, var(--light-color) 100%);
}

body.light-theme .spinner {
  border-color: rgba(0, 0, 0, 0.1);
  border-top-color: var(--accent-gold);
}